Escape sign luminaire, in particular for installation in electrified railway tunnels

专利摘要:
The present invention relates to a safety luminaire (201), in particular a escape sign luminaire, which has at least one opaque light distribution disk (233) or a light emission surface (205) which can be assigned to a lens-structured illumination disk. In order for the emergency luminaire (201) electrified special buildings can be used, the integrated luminaire module serves as an electronic control gear for at least two LEDs connected in series, which are aligned with their light-emitting orientation to a translucent area in a separately running, insulating housing.
公开号:AT512761A2
申请号:T50162/2013
申请日:2013-03-08
公开日:2013-10-15
发明作者:Roland Pasedag；Frank Dipl Phys Ranostaj
申请人:Rp Technik E K；
IPC主号:

专利说明:

Emergency Exit Light, especially for installation in electrified railway tunnels
The present invention relates to a safety luminaire which can be installed in such unusual locations as in tunnels for rail vehicles. Furthermore, the present invention relates to a auszustattendes with safety lights operating method by which such lights, the z. B. are built in tunnels can be tested for functionality.
State of the art
Escape route lights and escape route luminaires are defined by standards in many European countries. The standards determine such aspects as For example, the minimum brightness of the luminaire, the contrast to be maintained, the maximum permissible difference between the brightest spot and the darkest point in the pictogram, etc. A standard to be observed in this context is DIN EN 1838.
Escape route and escape sign lights are usually installed on dry, well-supplied mounting sites, such. Hotels, banqueting halls and restaurants. However, the assumption that only a few mechanical, physical and chemical influences and effects on the escape route and escape sign luminaire occur at the installation site is not always correct. Thus, sites for escape route and escape sign lights are provided, on the one hand side conditions for the escape route and
Aligning escape sign luminaire and, on the other hand, directing further standards and regulations to the entire structure and thus to the escape route and escape route luminaire. Such a special case of use are electrified tunnels, z. B. for rail traffic. In these structures, conditions by the execution of the building in z. B. Soil with aquiferous layers by standards 1
KF ^ Tecnnik e. K. RPT 13036 AT
Creraer & cremer 08.03.2013 prescribed, z. B. by DIN 1054, DIN 1055-1 and DIN 4085.
The tunnels are constructed with diameters such that the tunnel tube is suitable for the intended use, e.g. B. for the passage of trains, is sufficiently dimensioned. All additional installations such as escape route and
Escape sign lights should be present, but should not increase the tunnel tube diameter. So that the lights are clearly visible, they should usually be installed in the overhead area, ie where the roof or the apex of the tunnel tube is present. A precise determination of the mounting location often results only from the found conditions in the tunnel tube. If the electric planner of the emergency lighting of the tunnel tube demands that the tunnel tube should be higher because the emergency lighting system is to be installed in the upper part of the tunnel tube, it often fails to satisfy both the developer and the tunnel user and is not confronted with the desire still want to contribute to the expansion of the building. A previously found in some tunnels realization consists in the protective grille surround of common escape route and escape sign lights with a close-meshed grid, but reduce the light output due to their lattice structure.
From the intellectual property literature, various escape route and escape sign luminaires are already known.
DE 20 2010 005 176 Ul (Applicant: Wallroth, filing date: 12.04.2010) describes an LED emergency lighting with at least one LED and a further light source, which is inserted in a lamp socket. The light of the LED is output via a lens. The lens is located in the vicinity of the lamp housing in the figure of DE 20 2010 005 176 Ul. If several LEDs are to be used, they can be side by side 2
ecnnik e. K. RPT 13036 AT
Cremer & uremer 08.03.2013. An LED supply and monitoring module is located laterally in the interior and is offset from a board for the LED or LEDs.
DE 10 2009 022 874 A1 (Applicant: RP-Technik e.K .: filing date: 27.05.2009) describes inter alia a safety luminaire with a light source such as a fluorescent lamp or an LED and a ballast for the electrical supply of the light source. The lighting means may comprise a plurality of LEDs which are connected in series.
The German patent application with the official file number DE 10 2010 014 614 A1 (Applicants: ROPAG High Tech e.K., RP-Technik e.K., Date of filing: 10.04.2010) describes a window lamp which can be used as a safety light,
Escape sign or escape route lamp can be used and has a basic housing. Based on the basic housing, the window lamp can be assembled in a modular way. The basic housing can be used for receiving a lighting electronics and one or more suitable lamps, such as LEDs. The lamps or the LEDs are located in or on the base housing.
Other illustrations of safety lights with LEDs can also be found elsewhere in the patent literature, eg. In DE 10 2008 017 656 A1 (Applicant: RP-Technik e.K .;
Date of filing: 05.04.2008), DE 10 2008 051 187 B4 (Applicant: RP-Technik e.K., Date of application: 14.10.2008), DE 20 2008 008 555 Ul (Applicant: Pasedag, Roland;
Date of filing: 30.06.2008), DE 20 2008 008 977 Ul (Applicant: Pasedag, Roland, Application date: 04.07.2008), EP 2 184 628 A2 (Applicant: CEAG Notlichtsysteme GMBH, Priority data: 06.11.2008, 28.01.2009), DE 20 2009 001 048 Ul (Applicant: CEAG Notlichtsysteme GMBH; 3
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Anniversary date: 28.01.2009), DE 20 2005 010 706 Ul (Applicant: Dr.-Ing. Willing GMBH, Date of registration: 06.07.2005), DE 197 47 078 A1 (Applicant: Dr.-Ing. Willing GMBH, Date of application: 24.10 .1997), DE 20 2006 014 352 Ul {Applicant: Zumtobel Lighting GmbH;
Filing date: 19.09.2006) and DE 101 49 860 A1 (Applicant: AXSYN GmbH;
Filing date: 10.10.2001).
With the luminaires described in the cited references, however, a release for the installation of these lights in railway tunnels, without taking additional measures may not be available.
If instead searched in the catalogs of relevant providers, so there are many different escape sign lights to find, for. B. in the catalog 1. of the manufacturer RP technology e. K., entitled "Emergency Lighting Systems", Issue 8 of 2010 ", in particular pages 21 to 96, 2nd of the manufacturer Inotec Sicherheitstechnik GmbH, entitled" LED escape sign light ", Issue 3 from the year 2011, in particular
Pages 2 to 7, 3. of the distributor SCHRACK TECHNIK GMBH, titled "LED RESCUE LIGHTS", especially pages 4 to 23, 4. of the manufacturer LiSol Gesellschaft für Licht-u-Solartechnik mbH, product data for LED escape sign luminaires / LED Pictogram lamps of the "EXIT" series, especially pages 4
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xeCTnik e. K 7 to 18 and 5 of the manufacturer CEAG Notlichtsysteme GmbH, with the designation "CEAG-Handelskatalog 2011 - emergency lighting " from the year 2011, especially pages 8 to 24 and 44 to 45.
These luminaires are also often subject to reservations by authorities responsible for the acceptance of railway tunnels, unless additional protective measures have been taken.
Safety lights using LEDs are promising. The use of LEDs as bulbs is now widely used. So there are providers who offer boards on which not only LEDs, but also for the LEDs necessary control electronics that perform the function of an electronic ballast, are available. Such an LED board is available from Holtek Semiconductor Inc. of 115 Taipei, Taiwan under the designation "HT7L4091". procured there, which is also referred to as 220V LED T9 tube.
From EP 2 206 150 B1 (patent owner: Rudolf Zimmermann, Bamberg GmbH, priority date: 21.11.2008), a description of an LED module is known. The description recommends that the LEDs be fully inserted. This is certainly a measure of how moisture can be kept away from the LED chips of the LED module. However, this approach creates a significant thermal problem.
task
There is a need for a safety light, in particular a rescue light, which is used to illuminate an escape route in electrified special buildings, such. B. in tunnels for rail vehicles, can be used. This should be 5 K.
RPT 13036 AT
Cremer & "Cremer 08.03.2013 the lamp with the particularly harsh conditions of their place of installation rightly and still be regarded as standard lighting.
He is describing
The object of the invention is achieved by a safety light according to claim 1, a suitable operating method for such safety lights can be found in claim 15. Advantageous developments can be found in the dependent claims.
A safety light serves to illuminate an escape route, especially in a dangerous situation, enough for passers-by and refugees. There are safety lights with escape signs. The escape signs are often backlit for better visibility, so that light escapes through the escape sign itself. The escape sign is thus from the
Safety light worn. Depending on the chosen installation site, emergency luminaires are often equipped with several pictograms, so that from different directions the respective viewer sees the escape sign, which brings him the escape route most clearly or easiest to note. Depending on the intended use, some emergency luminaires can be retrofitted. Thus, with some safety lights, one or more pictograms can be installed or installed. In order to ensure illumination in the vicinity of the emergency luminaire, which does not cause panic, opaque light distribution discs are often used, which diffuse the light out of the emergency luminaire. According to standard, minimum brightness in the escape route area must be maintained. The refugees should be able to see enough of the ground on which they are to set their feet. For this reason, a safety light can also be used with lenses in their Lichtverteilscheibe
RF technology e. K. RPT 13036 AT
Cr a &
08.03.2013 or in its illuminating plate, through which the light of the safety light is focused and brought into an illuminated area. In the case of safety lights, the light is advantageously transported from an interior to the outside. In this case, the light passes through one or more pictograms, through one or more light distribution disks or through one or more illumination disks. There is a luminaire module for generating the light in the interior of the emergency luminaire. The luminaire module converts the electrical current and the voltage so that sufficient light can be generated for the emergency luminaire with the aid of light sources such as LEDs. Depending on the chosen installation location, emergency luminaires can be fitted on different surfaces, they preferably have large-area display areas (that is, more than 70% of the surface of a page represents the display area), be equipped differently, for. B. on one side a pictogram, while on another side a light distribution discs is arranged.
The luminaire module comprises an electronic operating device. The electronic control gear is an electronic unit that can supply LEDs electrically. In addition advantageously provides the operating device further electrical and electronic circuits, eg. B. to monitor the operation of the LEDs or to turn on and off the LEDs during certain operating phases or during certain operating conditions. If the electronics determine a sufficient brightness in the vicinity of the emergency luminaire, such electronics ideally regulate the brightness of the own emergency luminaire. This reduces the absorbed current and thus the heat development in the luminaire.
Safety lights can be used particularly advantageous if they are directly connected to a common supply voltage, such. B. 232 V in Europe or 110 V in American states, are connectable. Using the light module or the
7
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RPT 13036 AT ecnnik e electronic control gear can be made from an AC power supply of the appropriate operating current for the LEDs or the appropriate operating voltage. Depending on the used electronic control gear as LEDs for lower voltages, such. For example, for a supply voltage of 232 volts, one called " Luminous flux " designated voltage band can be used. For the best possible and even illumination of a safety luminaire or the light emitting surface (s) at least two LEDs should be present. A good current limitation with low waste heat and low heat losses can be achieved by connecting the LEDs in series. As a result, a higher standard supply voltage for the LEDs can be set as the operating voltage of the luminaire module on the output side.
The LEDs have a light emission side or a light emission surface. The LEDs have deviating from a mounting side or a mounting surface. The light-emitting side is oriented so that the light is at its greatest, i. H. at least 80% of the photons are directed to a specific, sufficiently translucent area. The translucent area may be referred to as a translucent area. The translucent area absorbs the light from the LEDs and releases the light into the interior of the emergency luminaire, more precisely into a part of the interior of the emergency luminaire. The translucent area works like a window through which light can pass. Incidentally, the luminaire module is enclosed by a further housing. The luminaire module is enclosed by an insulating housing. The insulating housing offers at least one window. This window represents the translucent area for the light from the LEDs. Due to the translucent area, the light from the LEDs can reach the rest of the interior. The insulating housing is referred to as an "insulating housing". designated 8
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ecnnik e. K. RPT 13036 AT because it exerts a separating function of one interior of the other interior of the emergency light. In addition, it may be designed electrically, thermally and / or liquid-insulating.
The interior of the emergency light is thus divided into two parts. Part of the interior of the emergency luminaire is the normal clearance for the backlighting of the light-emitting surface of the emergency luminaire. Another part of the interior space is occupied by the insulating housing and the components present in the insulating housing, such as the lighting module. The insulating housing may be considered as a protective housing for a part of the interior of the emergency light. Particularly critical areas of the electronic circuit of the luminaire can have increased contact protection. Incidentally, this has an effect on the simplification of the electrical circuit itself, galvanic separations can be reduced or possibly even completely avoided.
The insulating housing provides a further barrier to influences that act on the safety light from outside. The insulating housing protects the components in it against such influences that may possibly reach the rest of the interior. Such influences can z. As splash, salt water, dust and dirt.
Such a design of a smaller, inner housing in a larger housing, wherein the smaller, inner housing as an insulating housing performs an enclosure, shielding and / or encapsulation, is possible in cases where further difficulties in the construction of the two nested housing be taken into account, such. B. a sufficient heat dissipation of heat loss, which arises in the inner housing and must emerge from this or brought out. In addition, the breakthroughs, openings and
Cremer & Cremer 08.03.2013
RP technique e. K. RPT 13036 AT Avoid leaks when possible with the insulating housing, keep it low or do not even provide it. If the heat control, especially in the inner, insulating housing controllable, so increases a lower heat development, the longevity of the lamps and thus the entire emergency light. The use of LEDs as bulbs in a capsule housing reduces heat loss compared to bulbs based on other more energy-intensive light conversion mechanisms.
To ensure that as little light as possible has to be generated, a range of high translucency, which lies as well as possible in the orientation of the light beams of the LEDs, promotes the longevity of the emergency luminaire. As translucent are considered the areas through which at least 80% of the incident light can enter or exit again. The insulating housing may be viewed from outside as a "box with a window". be designated because it has a particularly suitable range for the passage of light.
Despite the shielding or encapsulation of an area of the interior, there is a desire in an innovative safety luminaire to be able to carry out a check of the operation or the functionality of the safety luminaire. If the LEDs are used as an indicator for the smooth operation or functionality of the emergency luminaire, there is no need for any further breakthroughs or interventions in the inner area of the emergency luminaire, which is particularly protected. The inner housing thus sends visually operating status displays into the remaining interior of the emergency light via its window. Because there are two LEDs, which are preferably connected in series, an interplay of the LEDs can be used to report, monitor or relay the state, the operating behavior or a malfunction of individual components in the safety light. Despite the security, an optical 10
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licnnik e. In order to integrate inspection procedures into the emergency luminaire, the concept of the "housing in the enclosure" must be considered. not be abandoned.
In the following, advantageous embodiments and developments are set forth, which in themselves, both individually and in combination, can also disclose inventive aspects.
It is particularly advantageous if the window, d. H. the translucent area, not only works as a normal translucent window, but possible by a surface design of the window on the side of the light entrance surface and on the side of the light exit surface possible light control or a light guide. For this purpose, two surfaces can be created, which are arranged to each other in angled. The surfaces are not arranged parallel to each other when z. B. the side of the light of the LEDs should be coupled and distributed as evenly as possible in the rest of the interior of the emergency light (scattered) should be present. The areas are thus arranged out of parallel to each other, one can also say they are aparallel. For many applications and applications safety lights are to provide light of a certain color, eg. B. escape sign lights in many states have green and white radiating pictogram areas. For favorable use and to increase the luminous efficacy, the window, that means the translucent area, can be opalescent. This provides wavelengths of light from the LED, which move in a color spectrum in which the safety light is to radiate its light to the outside. Brightness losses are thus reduced. This in turn helps to keep the heat development in the inner housing as low as possible. The aging of the window due to optical radiation, z. B. long-term embrittlement, 11
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From a further aspect or point of view can also be spoken of a graded protection class concept. The safety light has a range of a first protection class. The safety light also has an area of a second protection class. Electrical devices are often subdivided into common protection classes and common types of protection. There are IP codes for this. These as "ingress protection" specified protection classes indicate which dirt and moisture particles and components may be expected inside the one housing and inside the other housing. The closer to the luminaire module - starting from the outside - the more the degree of protection class is, if the luminaire module is to be as well protected as possible. So the rest of the interior z. B. be protected to IP 22, while the interior of the inner housing has a protection class of IP 67. The higher the protection class, the greater the associated requirements and difficulties to the housing. Increased protection classes classically contribute to greater difficulties in heat dissipation. The limitation of the interior to the actually protected against external influences components reduces the volume to be enclosed. Large volumes of heat can no longer be cooled.
Because the window is primarily intended to provide sufficient translucency and secondary thermal aspects for the window must be taken into consideration, it is sufficient for the inner housing in the region of its window to be made of such common plastics as polycarbonates, polymethylmethacrylate or
Produce polyethylene terephthalate. Such windows can be manufactured in an injection molding process. The housing may be made of a polycarbonate or of a synthetic terpolymer of three different types of monomers such as ABS (acrylonitrile-butadiene-styrene copolymer) or a mixture of polycarbonate and ABS. It can also be a 12
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Mixture of a polyester, of ABS and of a polycarbonate for the housing, in particular in an injection molding process can be used. In addition, metals can be inserted. The metals can z. B. take over reinforcing tasks in the peripheral areas of the housing. In this way, windows produced in comparison with the rest of the housing can be used in the insulating housing. The insulating housing with its larger compared to the window surface surface can dissipate the heat, in particular from the lighting module. The light output and thus the heat loss can be further reduced if the window not only has a high translucency, but can also take over a light-guiding function. In materials such as polycarbonates or in polyethylene terephthalate lens structures can be easily incorporated. Such a lens structure allows a light beam to be directed. In this way, a light beam from at least one of the LEDs can be focused in a spatial plane. A particularly favorable light guide for illuminating a very specific area beyond the safety light can be predefined by the window. Unnecessary, diffuse emitting and unwanted Lichtabstrahlrichtungen be prevented as possible in the shortest path, d. H. in the mm range beyond the LEDs.
A critical area for ensuring the insulation are all breakthroughs of the innermost areas of the emergency light. On the other hand, the field of application of a safety luminaire is extended because the emergency luminaire can not only deal with an AC voltage but also with a DC voltage as the supply voltage. It is particularly advantageous if one and the same voltage input, d. H. the two connections for the supply voltage, both for DC voltage and for AC voltage are designed. In this case, only two feedthroughs need to be sealed well enough to maintain the protection class for the insulating housing. 13
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In order not to drive the power consumption of the bulbs unnecessarily high, the electronic control gear can be realized with an adjustable output resistance. If the output resistance of the electronic operating device adapts to the input resistance of the series connection of the LEDs, the lowest possible heat conversion takes place in the electronic operating device. Experience has shown that LEDs age and change their internal resistance, which increases with operating time. By adapting the output resistance of the operating device at the interface of the operating device to the LEDs, wherein the LEDs can be part of the operating device, takes into account the aging behavior and the heat conversion, caused by the interaction between the electronic control gear and LEDs instead. The variable output resistance can be in a range of z. B. 50 Ω or 25 Ω can be adjusted. This value can be set as the resistance upper limit. Of course, the operating device can also be realized with a fixed set output resistance, a so-called fixed series resistor. The variable output resistance can be realized by a controllable power supply for the LEDs. A controllable power supply has the advantage that a forward voltage of an LED has only a small dependence on the operating current of the LEDs. Also particularly advantageous are circuits which have a high differential resistance. Also, the variable resistor can be adjusted using temperature-dependent resistors. If an NTC series resistor is used, the operating current through the LEDs increases with increasing temperature in the luminaire. Also advantageous are luminaire modules which comprise an overcurrent fuse.
As electrical buffer or electrical buffer such components as accumulators, Pseudocaps, hybrid capacitors or supercaps in the insulating housing, 14
Ky '-' Tecnnik e. K. RPT 13036 AT
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08.03.2013 are arranged in particular as part of the electronic control gear, receive the energy from the supply voltage and in the case of a lack of supply voltage, the electrical supply of the LEDs, at least some of the LEDs take over. The accumulator charge can be controlled depending on temperature. If there are sufficiently low temperatures in the inner housing, a faster charging of the accumulator or the supercaps can be carried out. Increases in the course of operation, the operating temperature in the inner housing, so such components as the batteries with a lower charging current, eg. B. only with a pure trickle charge to be supplied. By such a measure, the thermal loss in the inner housing is also limited. This contributes to the fact that a sufficiently insulating housing can be installed in the emergency light. Suitable batteries are rechargeable lead-acid batteries, nickel-cadmium batteries, nickel-metal-hydride batteries and lithium-based batteries, eg. B. LiFeP04 accumulators.
The thermal in the emergency luminaire is further improved by connecting the luminaire module and the LEDs to form a compact unit. If the luminaire module carries the LEDs, then heat-dissipating surfaces in the luminaire module can be used by the LEDs, e.g. B. by SMD LEDs.
If a high-frequency transmission of signals from the safety light takes place to the outside, the connections can be used for the supply voltage. Alternatively, a signal transmission can take place by radio. Both measures of information transmission via states of the safety light are low-energy communication methods.
In order not to overload the input for the supply voltage, a switching input can be provided in addition, the only switching of the luminous flux in very specific states, eg. B. at a demonstrably undisturbed 15th
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Supply voltage, d. H. z. B. at a sufficient stability of the adjacent sinus {measured by the amplitude and / or the curve and / or the type of curve) allowed.
Another measure to reduce the waste heat is to use connectors with a contact resistance of less than 0.1 Ω per plug contact. The control gear is equipped with a part of a connector, in particular with the part marked as "male". to be designated part of the connector. In the outer housing, the other part of the connector is present. The second part of the connector is advantageously mounted in the outer housing. It connects the cables for the supply voltage with the operating device. One part of the connector is part of the inner housing. One part of the connector seals the housing. One part of the connector conducts heat from the inner housing into the second housing. The one part of the connector not only seals, but is also heat dissipating.
A rapid construction of a housing of a safety light, such as the inner housing or the outer housing, is particularly possible when parts of the housing are arranged in a housing segment field to each other. In a housing segment field, at least two housing parts, preferably a plurality of housing parts, such as a first and a second side wall of the housing are movably connected to each other. In this advantageous embodiment, at least one of the housing parts, which as a housing segment fields contiguous, and thereby advantageously foldable or foldable, forming side walls of the housing. In a first position, in particular a transport position of the housing segment field, the housing segment field-as a whole-assumes a planar or flat position or position. In the planar position, the housing segment field is optimized for packaging space. The housing segment field has in this first 16
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Condition, in the planar position, a reduced, merged, inner space. A space enclosed by the housing parts of the housing segment field is smaller in the first position than in a second position of the housing segment field. The housing may have a segmented sidewall with at least two segments. The housing may be made thin-walled, with at least one sidewall thickness of less than 1 mm, preferably less than 0.5 mm. For particularly robust safety luminaires, it is also possible to provide at least one wall thickness of the housing, such as a side wall or a mounting wall of a holder, of more than 1 mm. However, in a region of the housing, such as in the region of a segment boundary, a smaller wall thickness may be provided than in a middle region of a housing segment. As housing materials, in particular at the segment field boundaries, metals such as sheets and / or plastics can be combined. Thus, in a favorable design form for one of the housings ABS with a metal to produce a composite material. The inserted metal strips represent the folding hinges. Advantageously, the efficient use of the space or volume or the surface of the emergency light in a packed state, eg. B. to be able to transport a variety of security lights for mounting in a tunnel tube with a low transport costs.
In a housing segment field, a first and a second housing of a safety luminaire can also be arranged relative to one another. The first housing may be made of a first material such as a plastic and the second housing may comprise parts of a second material, such as an aluminum sheet or a steel sheet. At least two side walls of a housing are hinged to each other. Starting from an angular position of two side walls which enclose an angle of 180 ° to each other, an angular position of 90 ° is in particular by a manual operation ingestible, z. B. by a folding movement. 17
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A space-efficient packing state of a safety light preferably comprises a housing segment field, in which a first side wall segment and a second side wall segment are arranged flat, preferably adjacent to one another. The segments are movable relative to one another at the segment boundary, in particular connected. According to an origami folding rule, the housing segment field can be deformed between a two-dimensional state and a spatial, in particular enclosing state, wherein the spatial state exists in particular in the second position of the housing segment field. The deformation of a housing segment field to a housing is effected by a preferably elastic deformation on at least one segment boundary. The housing segment field is z. B. in the form of a safety light mountable. At the segment boundaries housing segments in an angular position, such as an included angle of 90 ° or an angle of 180 ° to each other be moved. A practically producible housing, such as a box or a folding carton, folded and preferably also be unfolded. A collapsed housing has a receptive interior. The interior of a housing can be completed particularly well, in particular with respect to an outer space, when a side wall has at least one elastically deformable sealing lip. The sealing lip of a housing segment may adjoin a second segment of a housing preferably along a sealing surface associated with the housing, in particular impermeable to supramolecular particles, preferably impermeable to moisture. A
Sidewall segment boundary may also be designed in the manner of a sealing lip or in the manner of a hinge or as a combination of sealing lip and hinge or as a latching device. A latching device sets an angular position of housing segments, in particular of side wall segments to each other. A housing segment may also include a tab. A sealing lip may be in the manner of a 18th
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Lug be formed. The tab overlaps, preferably with a side wall of the housing.
The safety light covers at least some of the LEDs using the insulating housing. As a covering material is a material made of polycarbonate or polyethylene terephthalate. Both polycarbonate and polyethylene terephthalate can be provided with an additive flame retardant during manufacture. As a result, the flame is delayed.
Also, the window can be used to even out the light distribution. The transparency of the window can be partially printed in one embodiment. Due to the partially arranged printing layer occurs a different brightness distributed over the entire window from the window. As a result, a region-specific modification of the transparency is possible. The brightness distribution in a location dependency is produced by printing.
In one embodiment of a safety luminaire comprising two housings, a first housing is preferably enclosed by a second housing, in particular after being moved from a first flat state into a second hollow body adhering state of the constructed safety luminaire. The second housing forms an inner protective cover for electronic modules, such as a lamp module or an electronic operating device, which can be installed in the housing, in particular in the second housing. Such a housing structure can also improve the EMC behavior of a safety light.
The outer housing of a safety luminaire may be provided with an outer non-stick surface such as an electrostatic stain-resistant layer or a nano-structured surface which is a possible deposit of 19
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08.03.2013 light-absorbing soot particles or dust particles or aerosol particles, which accumulate frequently, especially in closed spaces such as tunnels, on the safety luminaire surface, preferably on the Lichtabstrahlflache to prevent. Such effects are also from nature z. B. in the design of the surface of the lotus leaf known. Impurities emanate from the non-stick surface of the luminaire surface. An energetically unfavorable heating of the lamp by absorption of light energy in contamination of the surface and an associated darkening of the lamp is prevented.
Although some components that produce waste heat, such as the luminaire module, are additionally encapsulated, the numerous different measures create an inner, particularly protected area.
The integration of the LEDs on or in the operating device and the arrangement of the LEDs immediately behind the window ensures a good appearance of the light exit surface at the same time low height. The improved charisma in turn reduces energy consumption. This in turn contributes to the possible realization of the encapsulation in an independent, inner housing with the associated, difficult heat dissipation. The light output is increased, the leakage current is reduced. The heat loss in the inner housing is kept low. Nevertheless, the measures and ideas described above allow the creation of a very compact safety or escape sign luminaire, the very high protection classes such. B. IP67 can comply. A tunnel lamp, in particular for use in railway tunnels with diesel locomotive driving, can be set up.
In fact, as hermetically sealed housing around LEDs are undesirable. Due to a poor thermal dissipation of the waste heat of the electronic control gear and the 20th
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Icnnik e. K. LEDs gradually decrease the brightness of the LEDs during operation. If the operating device includes a limit value for the brightness, alternatively for the electric current to the LEDs, then a decrease in the brightness of the LEDs can be detected. The operating device operates with a measured value which can be compared with a limit value. The operating device has a limit for the brightness of one or more LEDs in a memory. As soon as the limit value is reached, the operating device can assume a fault. The error case can be signaled in the context of an operation control procedure. Is the brightness of any or all of the LEDs no longer adequate D. h., If the brightness is below a limit, so go in one embodiment, the LEDs in a changed operating state. If the LEDs and the operating device are combined in one unit, the operating device can be fine-tuned to the existing LEDs. The design as a compact unit of control gear and LEDs not only reduces the thermal losses, good coordination between the operating device and LEDs is possible.
The inner housing can be made very compact. A housing length between 11 cm and 34 cm has proven to be sufficient. A housing width in the range of 8 cm is sufficient.
A case height of about 4.5 cm is sufficient. The heat loss of the LEDs in such a housing is low enough when LEDs with luminous flux per watt of at least 64 lm / W are used. Preferable are LEDs having values greater than 102 lm / W. The efficiency of the LEDs can also be expressed in lumens per electric current, it is particularly advantageous if at least 20 lm / A, better still 30 lm / A are achieved by each of the series-connected LEDs.
A hermetically sealed inner housing with the above values does not require additional cooling when the operating power of the LEDs is in the range of 800 mW to 5200 mW. 21
Cremer &
OB.03.2013
RPT 13036 AT
ecnnik e. K Surprisingly, it was also found in the first, inventive patterns of security lights that luminaires according to the invention have a better EMC behavior and a lower EMC emissions than some, otherwise available lights. This is attributed to the compact arrangement of the operating device with all electronic and electrical components in a region provided for the inner housing of the emergency light. Due to the compact design of the operating device, the inner housing can be replaced by a handle. During manufacture, a lamp can be assembled in a few simple steps. The replacement of all Verschließteile by just a handle is possible.
Brief Description
The present invention may be better understood by reference to the accompanying figures, which set forth by way of example particularly advantageous design possibilities without restricting the present invention thereto
FIG. 1 shows a first, inner housing,
FIG. 2 shows a second, inner housing,
FIG. 3 shows a safety luminaire in a first embodiment,
FIG. 4 shows a safety light in a second embodiment,
FIG. 5 shows another safety light from a different perspective,
Figure 6 shows a part of an electronic control gear with LEDs and
FIG. 7 shows two of the possible operating states that can be taken with a safety light, 22
Technology, e. K. RPT 13036 AT
Cremer & 'Cremer' 08.03.2013
FIG. 8 shows a first arrangement with reflective layers for directing light of an LED,
FIG. 9 shows a second arrangement with reflective layers for directing light of an LED,
FIG. 10 shows a third arrangement of reflective layers for directing the light of an LED,
FIG. 11 shows a schematic cross section of a safety luminaire according to a further exemplary embodiment.
FIG. 12 shows a schematic cross section of a safety light according to a further exemplary embodiment,
FIG. 13 shows an arrangement of two LEDs in a luminaire module,
FIG. 14 shows a safety luminaire with a luminaire module in an inner housing,
FIG. 15 shows a box-like embodiment of an inner housing,
Figure 16 is a polar diagram of the luminous flux of an LED, Figure 17 is a polar diagram of the luminous flux of an LED after passage of the luminous flux through a region having a photoconductive function,
FIG. 18 shows the beam guidance of a light beam through a surface-structured window,
Figure 19 shows a recognition distance on an escape route,
Figure 20 shows an arrangement of safety lights in a tunnel,
FIG. 21 shows a second electronic circuit as operating device of LEDs,
FIG. 22 shows a third electronic circuit as operating device of LEDs,
Figure 23 shows a fourth electronic circuit as operating device of LEDs and
Figure 24 shows a fifth electronic circuit as part of an operating device of LEDs. 23
T < P ^ Tecnnik e. K. RPT 13036 AT
Cremer &
03/08/2013
Figurative description
Figure 1 shows a housing 9, which can be used as an inner housing in a safety light, as shown in Figure 3 or Figure 4, and thus the position of the inner housing 209 (Figure 3) or the inner housing 309 (Figure 4) can take , The housing 9 is an elongated article extending between the first side wall 13 and the second side wall 15. The side walls 13, 15 are provided for the attachment of the inner housing 9 in a safety light, such. B. in the security lights 201 (Figure 3), 301 (Figure 4) or 401 (Figure 5). On one side of the housing 9 is a window 11. The window 11 has a first surface as a light exit surface 39 and a second surface as a light entry surface 41. The light generated in the interior of the housing 9 passes through the light entry surface 41 into the material of Window 11 and the light exit surface 39 in the remaining interior of the housing 9 enclosing emergency light (not shown in Figure 1). As suitable materials for the window 11, polycarbonates or polyethylene terephthalate can be used. Such a window 11 can be produced particularly reliably and simply by a plastic injection molding process. The window 11 seals the housing 9 from the adjoining room.
FIG. 2 shows a further embodiment of a housing 109, from which light beams in the region of the window 111, which are generated by the LEDs 121, 123, 125, 127, 129, can emerge. For a particularly targeted alignment of the light from the window 111, a region 117 with light-guiding function, for. B. as a lens, incorporated into the window 111. The window 111 has a higher translucency than the side parts 113, 115 of the housing 109. On one side of the housing 109, a switching input 143 is provided. About the switching input 143, the light emission from the light exit surface 139 of the window 111 can be influenced, for. B. by a selective 24th
KPT 13036 AT
Cremer &
03/08/2013
Icnnik e. K.
Driving individual LEDs of the LEDs 121, 123, 125, 127, 129. The LEDs 121, 123, 125, 127, 129 are mounted on the light module 131. The housing 109 is a housing of protection class IP 44 and protects the lamp module 131 from influences such as splashing water from the outside.
FIG. 3 shows that a housing as encapsulating as the housing 209 can be used in a region of the housing 203 in order to form a safety luminaire 201. The housing 209 has on one side a window 211, which can direct light from the interior 237 of the housing 209 into the further interior 235. The light from the interior 235 passes over the
Light exit surface 205 to the outside. The light exit surface 205 is composed, on the one hand, of the pictogram 207 and, on the other hand, of the light distribution disk 233, which generates a light distribution ring around the exterior of the pictogram 207.
FIG. 4 shows a similar safety light 301 as the safety light 201 according to FIG. 3. The frame of the housing 303 is tapered at the side farthest from the housing 309. The light generated in the interior 337 of the housing 309 enters the interior 335 via the window 311. In the interior 335, the light is continued to leave the safety light 301 through the light exit surface 305. The safety light 301 is composed of different areas for the light guide. The safety light 301 has a light distribution disk 333. The light distribution disk 333 defines a surface with a pictogram 307. The housing 309 has a higher tightness rating than the housing 303.
As can be easily seen by comparing FIGS. 3 and 4, the outer casing, such as the casing 203 or the casing 303, can be widely varied in appearance. The outer housing can be adapted to a wide variety of design requirements. Both in the housing 203 and in the housing 303 25
Cremer & Cremer 08.03.2013
RP technique. e. K. RPT 13036 AT, an identical, at least one similar housing 209 or 309 may be installed. Only the inner housings 209, 309 are to be tested for the required tightness such as splash resistance and sufficient insulation resistance, the designer, in particular the designer of safety lights can be given free hand in the design of his safety light, he only has to the mounting dimensions of the inner housing 209 309 hold. An outer housing 203, 303, the z. B. can be made of metal, is no longer expensive to ground; it can be designed groundless. This has the further advantage that the requirement that in the case of railway tunnels the danger must be prevented that falling overhead lines should not be able to form a short circuit over the housing of the emergency lights, is easy to meet. The housings 203, 209 and 303, 309 are insulated from each other. The outer housing 203, 303 may be made as a metal housing. The electrical components in the inner housing are not damaged, even if a catenary should make contact with the outer housing 203, 303. Although two cases are proposed, such a safety light can be particularly easy to produce, because multiple insulation, for. B. by multiple plastic linings, no longer be made.
Another embodiment of a safety light 401 in a perspective from below is shown in FIG. The safety light 401 has different LEDs 421, 423, 425, 427, 429. The LEDs 421, 423, 425, 427, 429 are all located below the window 411. The LEDs 421, 423, 425, 427, 429 are distributed over the surface of the window 411 so that they radiate through the window 411 and a uniform, good illumination of the housing 403 (that is within the limits of the standard) takes place. An area of the window 411 is specially designed so that this area 417 presents a light-guiding function for the LEDs 423, 425, 427. This area 417 extends in a central area of the window 411, more precisely in a central area of the 26
: ik e. K. RPT 13036 AT
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03/08/2013
Transverse extension of the window 411, almost over its entire length.
Figure 6 shows a schematic representation of an interconnection of LEDs in series, such as the LEDs LED1, LED2, LED3, LED4, LED5. As a safety resistor, the resistor RI limits the current through the LEDs LED 1, LED 2, LED 3, LED 4, LED 5, which adjusts itself by default to the contacts SV1-1, SV1-2 due to the supply voltage. Via the voltage divider comprising the diode DD and the resistor R2, an operating point is set at the operational amplifier IC1, which operates the MOS-FET Q1 as a semiconductor switch with variable internal resistance. As a result, the total resistance can be set by the (electrical) branch via the series-connected LEDs LED1, LED2, LED3, LED4, LEDS and the series resistor RI. The applied supply voltage at contacts SV1-1, SV1-2 is specified (from outside). Alternatively (not shown), a buffer stage such as a rechargeable battery may be connected to the contacts 10. Such a rechargeable battery also determines the supply voltage at the contacts SV1-1, SV1-2 By controlling the controlling semiconductor, the Mos-FET Q1 becomes Resistor is set in the LED branch, which varies the current through LEDs LED3, LED4, LEDS Finds a special request, eg via the input 143 (s.
FIG. 2), a circuit similar to that shown in principle according to FIG. 6 can be used
Illuminance control of selected LEDs, eg. B. only the LEDs 423, 425, 427 of Figure 5, are performed. By adapting the " consumable " Current can be the heat in the encapsulated housing, as in the housings 9, 109, 209, 309 of Figures 1 to 4, set as needed. The circuit of Figure 6 does not require galvanic isolation. The LEDs LED3, LED4, LEDS can be realized by high-voltage LEDs. The circuit of Figure 6 is particularly low in EMC. 27
- ± ecnn'ik e. RPT 13036 AT K.
Cr emer & just a r 08.03.2013
Figure 7 shows a diagram of the course of a current control of a safety light according to the invention, which is equipped with a control unit for the lighting means and in particular an electronic power control circuit. The diagram of Figure 7 shows an operating state of the safety light, which is set in relation to the time course t and the time t. The diagram starts on the time axis with the activation of an operating state. The switching on of the safety light is preceded by another operating state, at the end of which a storage of control parameters, such as a current flow, took place. The second operating state which may correspond to a first mode or a second mode will be described below. The representation can be analogously transferred to a first state. The electric current I and the luminous flux Φ are represented over time t. It shows the course of the current I and the course of the luminous flux Φ with progressing time t. According to the first mode, Φ2 shows the luminous flux which is generated by the readjusted electric current Ivar of the control unit. The electric current Ivar increases in the course of the operating time. Here, the actual luminous flux Φ2 enters the calculation of the current Ivar at a time. The LED under consideration of an arrangement of four LEDs is operated with a stronger current at the end of the Gesaratbetriebszeit than at the beginning. The LEDs of the lamp are each powered by a control unit with power. In a second mode, the luminous flux Φι weakens much faster in comparison with the luminous flux Φ2 according to its curve. The second mode operates with a constant current Iconst · Depending on the specification, a luminous means or a safety luminaire must be available for a minimum operating time. Depending on the application, minimum operating times of 10,000 hours or even 30,000 hours are required. Thus, in an operating state, the minimum illuminance Φ, ηΐη. in fact, over the entire envisaged period of operation of the security leaflet 28
Cremer & Cremer 08.03.2013
RP technique e. K. RPT 13036 AT, in the second mode, the single LED of the illumination means is operated with a constant current Ik0nst, which is actually too high for the LED and the luminous flux Φι initially to be emitted. In this operating state, an advantageously maximum luminous flux Φι is initially generated, but together with an increased heat development, which causes disadvantageous aging in the semiconductor structures of the LED. A luminous flux Φι, which is stronger than a luminous flux Φ2, is often available only for an operating time that is less than a minimum operating time. Depending on the design, the LED of the emergency luminaire can often be operated with a reduced current Ivar, which is between 50% and 80%, preferably 75%, of the current that is otherwise present in the case of constant current supply. FIG. 7 shows a luminous intensity curve for such a continuous operation, which is based on the luminous flux Φ2, which is operated by a readjusted current Ivar with an initial intensity of approximately 75% to 80% of a comparable constant current Ikonst / when the safety light is switched to the first mode becomes. The initial magnitude of the current or luminous flux is preferably assumed each time the safety luminaire enters the second operating state and a minimum operating time has not yet been reached. Due to the higher initial constant current Iconst in the first mode, such operated LED has a reduced overall operating time. The operating end time tEndi is reached faster than with a variable current Ivar LED. If the brightness is measured during continuous operation in a continuous operation, alternatively the elapsed operating time t is taken into account, then the supply current can be raised in a hyperbolic or asymptotic manner up to a maximum current over the operating time t. The control is possible in any operating state. A maximum current is specified in the specification of the LED. If, furthermore, a current limitation is provided after the minimum brightness or the minimum luminous flux ΦΜίη for the supply current Ivar has been undershot, then a 29
Cremer &
03/08/2013
RPT 13036 AT technology. e. K. continue to operate in accordance with the invention emergency light even when the minimum luminous flux 4> min in an emergency operation. The undershooting of the minimum brightness at time t £ nd2 is delayed and can also be levied safely. There are numerous indices for this. It can be queried the achievement of the limit current or the switching on of the current limit. On the basis of the attractive current limit, a lighting failure can generally be identified. Likewise, the brightness or part of the brightness in or on the luminaire can be measured. This condition can be displayed, reported or via
Communication module are sent as a radio signal to a central unit, such as a central battery system. The undershooting of the minimum luminous flux Φηα, η can within a test loop, z. B. via current pulses to be forwarded to the main distributor or the sub-distributor. This eliminates a frequent commit the escape routes or tunnels, if safety lights are installed there. Experiments have shown that the current tracking with initially lower starting current (just over 50% of the comparatively to be chosen constant current Ikorist) can increase the operating time t of the lights up to 50,000 operating hours. The luminous flux output of the luminous flux Φ2 is made uniform over the operating time t by the current Ivar being raised in a hyperbolic manner with continuous operating time to above the otherwise constant current Ikon3t to be selected. The aging caused by the supply current of an LED according to the invention in a safety luminaire according to the invention can thus be delayed. The current Ivar is only switched on, in particular in the strength in which it was last turned off when the safety light is to enter the second state or has arrived. By switching between the second constant current, higher brightness mode of operation and the first variable current mode of operation, the benefits of on demand switchable better visibility and optimized overall operating time can be achieved
Cremer & Cremer 08.03.2013
RP technique e. K. RPT 13036 AT lamps are combined. Such a need is z. B. detected by a motion detector or alarm.
FIGS. 8 to 14 and FIG. 18 each show an arrangement for directing the light emitted by a light source or a plurality of light sources, such as an LED or a plurality of LEDs. The features discussed in connection with the figures can be combined with each other in further embodiments as desired for modeling a lighting field with required brightness distribution. With the aid of the light-guiding functions, the number of LEDs required in a safety light according to the invention can be reduced to less than 10 LEDs, and thus the power consumption contributing proportionally to an unfavorable heat development is minimized.
In FIG. 8, the first LED 521 is arranged on the circuit board 518. From the cross-sectional view of Figure 8, the other LEDs, which are also contacted using the board for power supply, due to their arrangement outside the cutting plane can not be seen. In the light emitting area of the LED 521, whose light is directed into the light space 519, the LED light beam 591 strikes the light guide 516 area. The light guide function area 516 includes a first mirror surface 520 of prismatic shape. The shape of the mirror surface can be described by an apex with the outer angle Oi, with which the first mirror surface 520 faces the LED light beam 591. Furthermore, the first mirror surface 520 has an extension 596 transverse to its primary mirror surface. The mirror surface 520 uses the principle of total reflection at a refractive index stage. In the cross-section of FIG. 8, the first mirror surface 520 with its prismatic shape is flanked on both sides plane-parallel by in each case one mirror surface, such as the second mirror surface 594. The second mirror surface 594 closes with an offset in the direction of the first LED 521 31
Cremer & Cremer 08.03.2013
-iecnnik e. K. RPT 13036 AT extension 596. From the viewpoint of the LED 521, there is no optical gap between the first mirror surface 520 and the second mirror surface 594. All light rays 591 straight in the normal direction to the LED 521 and the board 518 meet a mirror surface 520, 594 and are almost completely reflected. Reflected light rays can also be traced as deflected light rays 593 in their propagation. The region with light-guiding function 516 is arranged centrally below the first LED 521, so that on the prismatic structure of the first mirror surface 520 a separation of the light rays 591 from the LED 521 into a first light flux maximum 549 and a second light flux maximum 550 occurs due to the angle α of the apex structure of the prismatic first mirror surface 520 at an angle <p. In further embodiments, an off-center arrangement of the apex described by the angle α relative to the LED and / or an arrangement of the apex inclined to one side of the LED are realized. The orientation of the light flux maxima 549, 550 and the intensity ratio between the first
Maximum light flux 549 and the second light flux maximum 550, which emerge from the region with light-guiding function, can preferably according to the requirement of
Safety light assembly can be adjusted. By the third mirror surface 595 of the embodiment in FIG. 8, light rays directed from the light space 519 onto the board 518 are reflected back into the light space 519. For this purpose, the board 518 has a mirrored surface which serves as a mirror surface 595.
FIG. 9 shows a second embodiment of a region with light-guiding function 616 for the distribution of the light 691 emitted by the first LED 621 into the light space 619. The LED 621 is arranged on the board 618, the board 618 being arranged in front of the mirror surface 695 in a plane-parallel manner. Symmetrically in front of the LED 621, the first mirror surface 620 in the light beam path 32nd
RPT 13036 AT ecnnik e. K.
Cremer &amp;
08.03.2013 691 arranged. The first mirror surface 620 has a prismatic shape with a lateral extent 696, wherein in the cross section shown in FIG. 9, the shape of the mirror surface 620 corresponds to the letter "W". equivalent. The central apex structure of the first mirror surface 620 is located in front of the center of the LED 621. The apex is enclosed by an angle a '. In an edge region on both sides of the LED 621, in the cross section shown in FIG. 9, there is another prismatic bend of the first mirror surface 620, which is described by the angle β '. This bend can also be understood as a second mirror surface. Preferably, the relation β '&lt; 180 ° &lt; a '. The LED light beam 691 is reflected at least once from the first mirror surface 620 to the third mirror surface 695, from where the reflected rays 693 beyond the extension 696 enter the light space 619. A first light flux maximum 649 and a second light flux maximum 650 are formed. The light of the LED 621 is divided into two maxima, a first light flux maximum 649 and a second light flux maximum 650. The light flux maxima 649, 650 of the deflected and split light beam 693 enclose an angle φ 'to one another. The first mirror surface 620 is formed as a partially reflecting layer, which transmits 20% of the incident light and reflects 80% of the incident light. In this way, a homogenization of the light beam 691 of the LED 621 is achieved over a wide angular range for a uniform illumination of a region of the light space 619. Due to the longer extension 696 of the first mirror surface 620 compared to the extension 596, a second mirror surface corresponding to the second mirror surface 594 from FIG. 8 is not required. Multiple reflections take place between the mirror surface 620 and the mirrored board 618, the further mirror surface 695 attached to the board 618.
The mirror surface 720 in Figure 10 has a certain similarity to features of Figure 8 and Figure 9, in particular
33
κΡ-Teönnik e. K. RPT 13036 AT
Cr a &amp;
03/08/2013
Referring to the execution of a light-deflecting area 716. Through the use of highly reflective, aluminum-vaporized mirror surfaces, namely the first mirror surface 720, the second mirror surface 794 and the third mirror surface 795, efficient coupling and distribution of the LED light beams 791 from the first LED 721 into the light space 719 is effected. In turn, there is a splitting of the light beam path 791 into a first light flux maximum 749 and a second light flux maximum 750, wherein the maxima 749, 750 propagate after multiple reflection at the mirror surfaces 720, 794 and 795 in the light space 719. The deflected light beams 793 of the second light flux maximum 750 and of the first light flux maximum 749 enclose the angle cp "to one another. The light beam path 793 of the deflected light results from the "W" -shaped shape of the first mirror surface 720, which has the central apex angle ot ", the sidelobe βf 'and the lateral extent 796. The mirror surface 720 can be characterized on the basis of the apex angle a ", on the basis of the sidelobe β" and on the extent 796. In the region of the arrangement which lies in the region of the extension 796, the LED 721 is flanked laterally by the second mirror surface 794 and the third mirror surface 795, in particular two-sided, as can be seen in the cross section in FIG. The mirror surfaces 720, 794 and 795 are separated from each other, i. they are not connected. The third mirror surface 795 projects beyond the first mirror surface 720 laterally beyond the extension 796 beyond it. A particularly efficient deflection of the light of the LED 721 is achieved in that within the extension 796 the third mirror surface 795 has an angle .gamma. '', From the apex thereof a first leg region (without reference numeral) of the third mirror surface 795 to the light emission region of the first LED 721 extends and a second leg portion {without reference numerals) of the third mirror surface 795 beyond the extension 796 out. The first leg area is 34
w ^ Tecnnik e. K. RPT 13036 AT
Cremer &amp;
08.03.2013 arranged parallel to the second mirror surface 794. The third mirror surface 795 is disposed upstream of the board 718 such that the third mirror surface 795 constitutes a boundary of the light space 719.
Although the board for receiving the electronic components and the LEDs such as the board 518, 618 or 718 provides only a finite area for the arrangement of the LEDs, which is usually insufficient for the required uniform distribution of the light from the LEDs, can optical devices, as shown in Figures 8, 9 and 10, the light is divided and distributed. Further measures for equalizing the light distribution and the light flux will be explained in the further description of the figures. These measures can be combined with each other. Shadows can be prevented in this way.
Figure 11 shows a cross section through a safety light 801 with an insulating housing 809, which is closed by the window 811 with respect to an outer space. The inner housing 809 includes the lamp module 831, which is housed in two parts in a first inner space 835 and a second inner space 837, which are separated from each other. The second interior 837 may also be considered as belonging to an inner housing. The first part of the light module 831 includes the control board 857 which carries the capacitor 855 and the transformer 851. The transformer 851 is connected via the AC power supply 859 with an external supply voltage, for. B. from a supply network, connectable. The safety light 801 can in a first operating state power over the
AC power supply 859 and charge the capacitor 855 as an electrical buffer. The control board 857 supplies the first diode 821 mounted on the board 818 in the second interior 837 with DC power. Due to the separated housing of the two 35
RF ^ Tecnnik e. K. RPT 13036 AT
Cremer &amp;
03/08/2013
Parts of the 831 luminaire module can be discharged separately of the heat produced in each case. The light of the first LED 821 passes through the light entry surface 841 from the second interior 837 into the window 811 and further through the light exit surface 805 into the light space 819. The light space 819 is shown in a sectional plane, ie in a spatial plane. In this plane, the light propagates in the light space 819 through the LED light beams 891. In the light space 819 is an area with light steering function 816. The LED light beams 891 extend with an angular distribution, which corresponds to the angular distribution shown in Figure 16. Light rays 891, which propagate from the first LED 812 in FIG. 11 with a minimum angle calculated by means of the extension 896, strike the window 811 'and leave it through the light exit surface 839. Depending on the impact location on the window 811 However, a portion of the LED light beams 891 is reflected back. Components of this retroreflected light and light propagating from the first LED 621 in the normal direction, in particular at an angle smaller than the minimum angle defined by the extension 896, impinge upon the first mirror surface 820. The first mirror surface 820 has an apex corresponding thereto the first mirror surface 520 (shown in FIG. 8). Light impinging on the first mirror surface 820 (see Figure 11) will be reflected on the second mirror surface 894, which is the window 811 ', again partially reflected and partially transmitted. The reflected portion can now propagate to the third mirror surface 895, on which again a change in the light propagation direction takes place, which leads the light to a further location of the window 811 '. In this way, the light of the first LED 821 is deflected by means of mirror surfaces 820, 894 and 895 within the standard distribution limit prescribed by standards for the emission by the light exit surface 839, the luminous flux Φ (see FIG
Cremer &amp;
03/08/2013
RPT 13036 AT ecnnik e. K.
7) preferably leads through two mutually extending partial regions of the light exit surface 839 in opposite directions.
FIG. 12 shows a safety luminaire 901 with the inner housing 909, in which the compact luminaire module 931 is arranged. The luminaire module 931 comprises the circuit board 918 with the functionality of a control board 957 and the components arranged thereon transformer 951 and accumulator 953. The transformer 951 is connected via the AC power supply 959 to a power grid. The lighting module 931 further includes LEDs, such as the first LED 921, which are DC-attached to the control board 957. The rechargeable accumulator 953 ensures an operating state during a finite time interval even without mains power supply, in particular with a temporary interruption of the AC power supply 959. The separated inner space 937 is bounded by the window 911, which has an increased translucency for the spectral range of the light emitted by the first LED 921. The light of the LED 921 enters the window 911 through the light entry surface 941 and from there through the light exit surface 905 to the light guide function region 917. The portion of the light-deflecting region 917 adjacent to the window 911 is a lens. A deflected light beam 993 is generated which propagates in the light space 919. Due to the lens effect, the light is focused on the first mirror surface 920. The mirror surface 920 is semitransparent to light in a surface area. Thus, an illumination area is generated under the safety light 901, whose dimension is predetermined by the extension 996 in one dimension. The window 911 'placed on the window 911 thus has a light guiding function in which light is guided through the interior space 935 to the window 911'. In particular, light emerges through the light exit surface 939, with which, for example, a pictogram {not shown) can be transilluminated. 37
κ RPT 13036 AT
Cremer &amp;
03/08/2013
FIG. 13 shows schematically a luminaire module 1031 in which a first LED 1021 and a second LED 1023 are arranged on the circuit board 1018. In the plan view shown in FIG. 13, it can be seen that the LEDs 1021 and 1023 are each covered by an area with light-guiding function 1017 which, associated with one LED 1021, 1023, has one lens. The lens structure has an extension 1096 and it has a spacing 1097 to the next lens structure, with which an overlap of the luminous flux of the LEDs 1021, 1023 can be predetermined. The lens structure 1017 can furthermore be described by a first lens region 1063 in a convex shape and a second lens region 1065 in a convex shape and a third lens region 1069 in a concave shape. The concave lens portion 1069 is disposed between the convex lens portions 1063 and 1065. The lens areas 1063, 1065 and 1069 act on the luminous flux of an LED, such as the LED 1023, and produce an angular distribution of a radiated luminous flux, as can be seen from the polar diagram in Figure 17, which may be referred to as kidney-shaped.
A further exemplary embodiment of a safety light 1101 is shown in FIG. 14. In a first housing 1103 with a light exit surface 1105, a second housing 1109 is arranged. The second housing 1109 is an inner metal housing which encloses a lamp module 1131 in an insulating manner. From the inner housing 1109, light exits through the window 1111 into the larger inner space 1135. In the second interior 1137 separated therefrom, the luminaire module 1131 is screened against operationally impairing interference, in particular of all sorts. The lighting module 1131 includes a control board 1157 on which a plurality of electronic components such as the accumulator 1153, the transformer 1151, and the capacitor 1155 for operating the LEDs such as the first LED 1121 are connected. On the side of the control board 1157 facing the window 1111, the first LED 1121 is connected to the first 38
W-Tchikk e. κ. RPT 13036 AT
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03/08/2013
Contact strip 1175 and the second contact strip 1177 electrically connected. Heat energy, which is generated from electrical energy during operation of the LED 1121, is dissipated to the circuit board 1157 via the contact strips 1175, 1177.
The functional elements of the LED 1121 are carried by a heat conduction member 1185 which is in contact with the control board 1157. In the luminescence semiconductor 1186, which has film doping, light is generated from electric current. The circuit is conducted from the first contact strip 1175 via the lead contact 1179 to the luminescent semiconductor 1186, which in turn is mounted on the second contact strip 1177, through which the circuit in the electrical circuit of the control board 1175 can be closed. The control board 1175 carries on the back nor the transformer 1151 and as a buffer the accumulator 1153 and the capacitor 1155. To the transformer 1151 is guided from the outside an AC voltage. The AC voltage is rectified by switching elements {not shown) on the control board 1157. The light generated in the light conversion layer 1181 by DC supply of the luminescent semiconductor 1186 enters a fourth lens area 1170 in the form of an air gap between the fifth lens area 1183 and the window 1111 through a fifth lens area 1183 applied as a potting body to the LED 1121 for protection. The window 1111 is part of the light-deflecting region 1117, the window 1111 having a first lens portion 1163, a second lens portion 1165, both in a convex shape, and a third concave-curvilinear lens portion 1169 therebetween. With the described features, the window 1111 produces a luminous flux that corresponds to the luminous flux shown in FIG.
FIG. 15 shows an inner housing 1709 as an outline drawing, which can protectively enclose a lamp module 1731. The inner housing 1709 is made of a plastic with 39
KF-Tecnnik e. K. RPT 13036 AT
Cremer &amp;
08.03.2013 negligible light absorption, d. h., with less than 10% light absorption. In the packing state or transport state (not shown) of the inner housing 1709, the housing segments are spread flat in the housing segment field. From the packaging state, the housing 1709 is constructed with a folding rule along the segment boundaries by folding movements, so that a side segment 1714 is unfolded on an inner surface of the second side wall 1715. In the unfolded position, the inner housing 1709 is stabilized by the holder 1730. Parallel to the first side wall 1713, which serves to emit light, the luminaire module 1731 is inserted, and the position of the luminaire module 1731 within the inner housing 1709 is supported by holders, such as by the holder 1730, and stabilized in position. The first LED 1721, the second LED 1723, and the third LED 1725 are spaced apart on the lamp module 1731, so that light emitted by the LEDs can exit the inner space 1737 through the first side wall 1713. In this case, the light space 1719 is located in particular between the circuit board 1718 and the light exit surface 1739. The light exit surface 1739 closes the window 1711, which is formed by the first side wall 1713, from a first interior (not shown) of a safety light (not shown).
The luminaire module 1731 further comprises a tuning module 1756 with operating state switch, a control unit 1754 and a transformer 1751 or transformers, which are integrated on the front side, on the back of the board 1718 in the circuits for the electrical supply of the LEDs 1721, 1723, 1725. The assembly of the inner housing 1709 is completed so that after introduction of the lamp module 1731, the flap 1732 of a side wall segment is closed. The inner housing 1709 is supported by supporting a segment of the flap 1732 on the inside of the first side wall 1713 by being latched to a segment of the second side wall 1715 in the assembled state, and is thus installable in an outer housing. 40
w-Tecnnik e. K RPT 13036 AT
Cretner &amp;
03/08/2013
FIGS. 16 and 17 each schematically show a polar diagram for the angular distribution of the light propagation of an LED. For the production of Polar di agramine, the light emission was determined in two sectional planes and superimposed for comparison purposes.
In FIG. 16, an LED radiates from the center of the illustrated circle with the irradiation standard 1248, resulting in a luminous flux Φ ', which is shown in a plane through the curve 1245 of the light propagation and in a plane perpendicular thereto in the light propagation 1247. A minimum light Ström Φ'η, ίη at a critical angle can be effected only by means of an increase of a supply current.
As shown in Fig. 17, in front of the LED, an area with light guiding function {see, e.g. 8, 9, 10 and 11), the light propagation changes to a luminous flux Φ &quot;. The irradiation occurs along the irradiation normal of the LED 1348. In the plane of light propagation 1347 in which the light steering function is effective, a splitting of the luminous flux Φ &quot; in a first light flux maximum 1349 and a second light current maximum 1350 measurable. The light flux maxima 1349, 1350 are at an angle φ &quot; ' spaced apart in the light space. In a perpendicularly arranged radiation plane, in which the light-guiding function of the region assigned to the LED is not effective, a modified luminous flux, which is represented by the first light propagation 1345, likewise results. In this case, the light flux maxima can be described as (almost) not pronounced, ie, a light flux maximum light propagation 1345. With the preferred directions of the first light flux maximum 1349 and the second light flux maximum 1350 of the second light propagation 1347, it is possible to selectively illuminate structures of a pictogram or arranged escape directions. 41
Cremer &amp; uremer 08.03.2013
-j.ecnnik e. K. RPX 13036 AT
Another possibility for influencing a luminous flux is shown in FIG. 18. A window 1411, which is referred to as
Light distribution plate 1433 is disposed in the light beam path 1491 of an LED, the light beam path 1491. Due to a prismatic boundary layer on one side of the window 1411, preferably taking advantage of the
Brewsterwinkels, there is a change in direction of the light beam by diffraction into the interior of the window 1411. On the prismatic boundary layer 1420 opposite side of the window 1411 is another area with light steering function 1417, the area defocused by means of a lens-like surface modulated a light beam 1491 of the LED and focused in intermediate areas.
The result is a deflected light beam 1493 with an intensity modulation in the near field. Such a window 1411 can be advantageously used to improve lighting characteristics such as luminous homogeneity of a safety luminaire. It is also possible to favorably influence the light-guiding function of the window 1411 by conveying the light exit of the light-beam path 1493 by mirroring on second mirror surfaces 1494. A window, such as window 1411, may e.g. B. as windows 111, 811 or 811 'in Figures 2 and 8 are used.
A safety light 1501 shown in FIG. 19 is attached to a rear wall 1590. An escape route 1587 extends in front of the rear wall. The emergency luminaire 1501 comprises five LEDs inside, each of which is assigned a light-deflecting region, thereby producing a luminance maximum horizontal or slightly inclined to the ground (ie, at an angle of, for example) less than 15 °). The luminance remains within an angular range ψ above a limit such as 500cd / m2. Outside the angular range ψ the luminance falls below the limit, ie z. Below 500cd / m2. In other words, in the upper left quadrant (from the view shown in Figure 19) and in the lower quadrant is the 42nd
Kt ^ ΐeennlk e. K RPT 13036 AT
Cremer &amp;
03/08/2013
Luminance, ie outside of the range covered by the angular range,, below 500cd / m2. It is spanned at an angle ψ a lighting area, which is associated with a first, in particular shorter recognition distance 1598 and a second compared to the first recognition distance larger recognition distance 1599. Due to the electromagnetic shielding properties of the housing of the safety light 1501, radios 1571 in a surrounding area of the safety light 1501 are not impaired in their function. The 1501 safety luminaire is not relevant for devices that react to electromagnetic pulses or electromagnetic waves. The safety light 1501 is furthermore equipped with a communication module 1572, with which data can be exchanged to collect operating parameters of the safety light 1501 and to set control parameters of the safety light 1501. Through the skillful use of the detection widths 1598, 1599, it is possible to reduce the Lichtström Φ. This limits the heating in the luminaire.
Figure 20 shows schematically the cross-section of a segment of a tunnel 1688, from which a first escape route 1687 branches off from a second path, which is also to be used as an escape route 1687 '. Assigned to a rear wall 1690, the safety light 1601 is mounted in the area of the first escape route 1687 in order to index it. Furthermore, a second safety light 1601 'is present. The safety light 1601 'is an emergency exit light 1602. Because of the inventive design, the safety light 1601 in the tunnel 1688 from unfavorable external influences such as moisture and dirt, for. As soot and dust protected. The light propagation from the security chandelier 1601 'is determined by light-deflecting regions in the security light 1601'. The beam paths 1693 and 1693 'mark the 43rd
RPT 13036 AT
Cremer &amp;
03/08/2013
Area where a (sufficient) recognizability of the light-emitting safety light 1601 'may be assumed. An illumination area spans between the beam paths 1693, 1693 ', which can be described with a detection angle ψ'. The safety light 1601 'is arranged as a second light in the tunnel 1688 on the tunnel ceiling 1689. The safety light 1601 is designed as a escape sign light 1604 and indicates with the aid of a pictogram 1607 the location of the next reachable defibrillator which is to be used for resuscitation measures in the event of a cardiac arrest.
Another electrical supply circuit for the operation of a safety light is recorded in FIG. Such a circuit can be arranged and assembled on a circuit board, such as board 518, 618, 718, 818, 918, 1018 or 1718. From a voltage source is over the
AC voltage terminal J1 applied a transformed AC voltage to the circuit. The AC voltage terminal J1 is designed as a connector. The connector can be designed as part of the inner housing, such as the housing 209 or the housing 309, so that the connector forms a mechanically strong unit with the housing. At the input of the circuit is the input resistance RF, for current limitation in case of overvoltage, which is derived via the varistor U-VR. Between the input resistor RF and the varistor U-VR, an input side of the rectifier Bl is connected, which supplies the DC voltage for supplying the LEDs LED6, LED7 and LED8. The LEDs LED6, LED7 and LED8 are connected in series. This series circuit is followed by the transistor Tl and a resistor R3, which limits the current flow through the transistor Tl as an emitter resistor. The transistor Tl is used to compensate for fluctuations in the supply voltage via a current control, so that the light emitting diodes LED6, LED7 and LED8 generate a constant luminous flux with a constant electric current. As 44
Cremer &amp; uremer 08.03.2013
-execnnik e. K. RPT 13036 AT
Control voltage is supplied to the transistor, the voltage dropping at a Zener diode DZ voltage of a voltage divider, which further comprises the resistor R4 supplied. As a further measure for smoothing the supply voltage of the light emitting diodes LED6, LED7 and LED8 from the rectifier Bl, voltage fluctuations are "filtered out" by the capacitor CG, which is connected in parallel. By such a circuit as shown in Figure 21, a constant current {see, for. B. Figure 7) by the series circuit, manufactured by the LEDs LED6, LED7 and LED8, are set. It is advantageous if as LEDs so-called "high-voltage types". used by LEDs. For the "high-voltage types" is realized by an internal series connection of the individual P-N junctions in the LEDs, a potential clamping voltage of more than 40V. The 40 V can be realized at a nominal operating current. With such LEDs, the "high-voltage" LEDs, an immediate operation of the LEDs on an AC voltage with 230 V at 50 Hz (AC signal) and at 216 V DC can be performed. The LEDs are directly connected to the supply voltage. Depending on the operating case, the supply voltage is an AC voltage signal or a DC voltage signal.
FIG. 22 shows a circuit possibility that can be arranged on one of the boards 518, 618, 718, 818, 918, 1018, 1718 (see FIGS. 8, 9, 10, 11, 12, 13 and FIG. 15). The circuit is particularly suitable for emergency luminaires used in central battery systems. The circuit of Figure 22 is characterized by low electrical consumption in numerous monitoring functions. The circuit of Figure 22 has as a central component of the IC3, which has a microcontroller with the terminals Pinl, Pin2, Pin3, Pin4, Pin5, Pin6, Pin7, Pin8, Pin9, Pinl0, Pinll, Pinl2, Pinl3, Pinl4. On the microcontroller is connected via the terminals PinlO, Pinll, Pinl2, pin 13 of the selector switch S1 with its terminals Pinl5, Pinl6, Pinl7, Pinl8 connected. Via the selector S1 different functions and programs can be found in the
Cremer scremer 08.03.2013
Lecnnlk e. K. RPT 13036 AT
Microcontroller IC3 are stored. On the basis of such program selections, which are made via the selector switch S1, one or the other measuring function can be added or removed. The correct operation of the microcontroller IC3 can be visually displayed via the series connection of the resistor R11 and the LED LED13, which is connected to pin9 of the microcontroller IC3. For stabilization, a capacitor C6 is interposed between the terminal Pinl and the terminal Pinl4 of the microcontroller IC3. The voltage for the operation of the microcontroller IC3 is obtained from the cross governor IC4. IC4 is connected to pin 1 of microcontroller IC3. The cross-controller IC4 draws its voltage at the input IN and supplies a stabilized, in particular lower voltage at its output OUT. The voltage refers in each case to the connection of the ground GND. A voltage divider input, composed of the two resistors R12 and R16, is led to the pin 8 of the microcontroller IC3. The series connection of the light sources of the LEDs LED9, LED10, LED11, LED12 is guided via the resistor R7 to the pin 2 of the microcontroller ICs IC3. Another measuring input is led from the optocoupler U2 to the input Pin3 of the microcontroller IC IC3. Pin3 is "grounded" across resistor R17 if the opto-coupler U2 should not pass the positive voltage on pin27 to pin26 so that a controlled voltage level is applied to pin26 or pin3 of the microcontroller ICs IC3, respectively. Another measurement input is routed to pin 5 of the microcontroller IC IC3. The measuring input Pin5 is a voltage divider measuring input, which is composed of the combinations of the respective parallel circuits of resistor R13 and capacitor C7 or resistor RIO and capacitor C5. Via the measuring input Pin5, the input voltage of the entire circuit, which is applied to the rectifier B2 behind the varistor RV1, can be measured. An output of the IC3 is passed to the Mos-FET Q2, via which the parallel connection of capacitor CI and resistor 46
RPT 13036 AT
Cremer &amp;
03/08/2013
Tecnnik e. K R15 can be switched short. Another voltage stabilization is produced by the resistor R6 and the capacitor C2 after the rectifier B2. The supply voltage from the mains is passed through the resistor R5 to the rectifier B2. Voltage peaks can be intercepted on the input side via the varistor RV1. Another switching input is routed to the pin24, pin25 of the optocoupler U2. To limit the current, a resistor R14 is connected upstream of the connection pin 24 of the optocoupler U2. The pin 4 of the microcontroller IC IC3 is "pulled to supply voltage" by default, in that the pin 5 of the microcontroller IC IC3 is connected through the resistor R9 to the positive voltage of the cross adjuster IC4. A switching power supply IC IC2, which z. By an IC of the type "LNK 574". can be realized, the voltage at the capacitor C2 clocked on the output side to the series circuit of capacitor C3, coil LI and capacitor C4 "down". Galvanically separated via the optocoupler Ul, the current flowing through the LEDs LED9, LED10, LEDll, LED12, in the control inputs of the electrical contacts pin FB and pin BP of the switching power supply ICs IC2 out. The LEDs LED9, LED10, LED11, LED12 receive their supply voltage from the switching power supply IC IC2. A fast extinction of the LEDs LED 9, LED10, LEDll, LED12 is ensured by means of the diode D2, which is connected behind the resistor R8. Incidentally, the resistor R8 is a current limiting resistor for the optocoupler Ul. As a further outer circuit of the switching power supply ICs IC2, a diode D1 is connected to the terminals Pin20, Pin2l, Pin22, Pin23. The terminals FB FB and Pin BP on the switching power supply IC IC2 determine the clock frequency through which the power is passed from the terminal pin D to the terminals Pin20, Pin21, Pin22, Pin23 of the switching power supply ICs IC2. Whether the correct voltage is applied to the light-emitting means LED9, LED10, LED11, LED12 can be determined from the two resistors R12, R16 by means of the voltage divider in that a divided-down voltage for the terminal Pin9 of the microcontroller ICs IC3 is tapped. Is sufficient voltage at the anode 47th
Cremer &amp; Cremer 03.03.2013
RP technique e. K. RPT 13036 AT of the first LED LED9 on, the same voltage is applied to the cross governor IC4. The measured input voltage to the voltage divider from the resistors RIO, R13 is stabilized via the voltage division of the capacitors 05, C7 and slightly out of phase. By switching on and off the line with the capacitor CI and the parallel arranged resistor R15 through the MOS-FET Q2, the stabilization behavior at the drain terminal of the switching power supply ICs IC2 is changed. If such a position has been selected by means of the selector switch S1 that the microcontroller IC3 monitors and controls as little as possible and thus lowers the power consumption, the switched-mode power supply IC 2 continues to lower its clock frequency, thereby saving electrical energy. The individual measuring points, z, B, at Pin5, z. B. to pin 8, can be switched on and off by the microcontroller IC3. The current flow through the lighting means LED9, LED10, LED11, LED12, which is already limited by the resistor R7, can be adjusted by a control of the terminal Pin2 of the microcontroller ICs IC3. If one of the resistors of the different voltage dividers is a temperature-dependent resistor, then the brightness of the LEDs LED9, LED10, LED11, LED12 can be adjusted with a variable electrical current, similar to the illustration according to FIG. If, in addition, the variable electrical current is to be further varied, a switching pulse can be applied via the resistor R14 to the optocoupler, more precisely to the pin P24, Pin25, which is forwarded galvanically decoupled to the pin 3 of the microcontroller IC IC3.
Figure 23 shows a possible circuit variant for the previously presented safety lights, which can be used in particular as a single battery light. The
The voltage supply is applied via the resistors R101, R108, R107 and the varistor UV1 both to the rectifier B101 and to the optocoupler U101. The rectifier B101 is connected to the transformer TRI via the resistor R115. Voltages can be connected via contacts X4-2 and Xl-3 48
Creroer &amp; cream 08.03.2013
Lecßnik e. K.
RPT 13036 AT. For program control, a microcontroller IC102 is present in the circuit of FIG. The microcontroller IC102 has numerous inputs PI, P2, P3, P4, P5, P6, P7, P8, P9, P10, Pli, P12, P13, P14, P15, P16, P17, P18, P19, P20, of which not all Inputs are switched.
The supply voltage for the microcontroller IC102 passes from the cross-controller IC103, stabilized by the capacitor CN5, to the pin PI, which is responsible for the supply voltage of the microcontroller IC102. The Netzschaltteilregler with the switching power supply IC IC101, the z. Of the type "LNK 632 DG &quot; can operate by its external wiring with the diode D103, the resistor R118, the voltage divider from the resistors R116, R117 and the capacitors C103, C104 as the first primary switching regulator. The tiller P21, P22, P23, P24 are earthed. The voltage of the primary switching regulator is electrically isolated via the transformer TRI and is passed through the diode Dl09 only for the positive voltage component on the capacitor CI06 as a stabilizing capacitor, so that the voltage in numerous places, eg. B. on the cross controller IC103, is available. The voltage reaches the connection IN of the cross controller IC103. A matched voltage is output at the terminal OUT of the cross controller IC103. The reference potential is related to the ground GND. The current flowing from this voltage through the light emitting means LED101, LED102, LED103, LED104 can be adjusted via the semiconductor device Q101. For this purpose, the resistor R110 is tapped at the emitter of the transistor Q01 and led to the terminal Pli of the microcontroller IC IC102. How far the transistor Q101 is turned on, is determined by the control via the terminal P10 of the microcontroller IC IC102, which is guided via the resistor RI02 to the stabilized with the capacitor CN4 base of the transistor Q101. Through the two terminals P10, Pli, a current control loop for the current through the LEDs LED101, LED102, LED103, LED104 can be set. At the position marked with the character "X2 &quot; the accumulator, like the accumulator 953 {see FIG. 49
PP technology e. K. RPT 13036 AT
Cremer &amp;
08.03.2013 12). Resistor R1N1, dynode diode D102, MOS-FET Q105, resistor R1N4, resistor R1N2, coil L101 and push-pull stage of the MOS-FETs T3A, T4A represent a charge and discharge circuit for the battery connected to the connector X2. The Mos-FET T3A forms together with the coil L101 and the diode in the MOS-FET T4A a step down converter. The buck converter is pulse width controlled.
The control of the pulse width of the buck converter is controlled by the microcontroller IC IC102, more precisely via pin P8. The buck converter supplies the charge for the battery connected to port X2. The Mos-FET T4A, together with the coil L101 and the diode of the Mos-FETs, form a step-up converter. The boost converter is pulse width controlled via the microcontroller IC IC102. The boost converter supplies the LEDs LED101, LED102, LED103, LED104 from the accumulator. The Mos-FET Q105, whose gate is controlled by the resistor R1N1 and the dimming diode D102, forms a deep discharge protection for the battery. The MOS-FET Ql05 becomes high-impedance after a voltage drop (applied via the capacitor CI06). Only after a renewed concern of the supply voltage, the connection from the coil LI01 is restored to the accumulator. The capacitor CN1 equalizes the voltages at the center tap of the voltage divider composed of the resistors R1N4 and R1N2. The voltage on the input side of the cross adjuster IC103 is measured via the voltage divider with the resistors R104, R106 and led to the terminal P12 of the microcontroller IC IC102. Through the optocoupler U101, which is connected on the one side by the resistors R107, R108 and on the other side by the capacitor CN2, switching and control pulses can be galvanically decoupled to the terminal P13 of the microcontroller IC IC102. Additional control outputs can be connected to resistors R2N2, R2n3, R2N4, which can be controlled via terminals P14, P15, P16 of microcontroller IC IC102. Via the resistor R2N1, a voltage of the cross-controller 50
RPT 13036 AT
^ cnnik e. K
Cremer &amp;
08.03.2013 IC103 for these control inputs "outwards". The Mos-FET T3A can be controlled at its gate via the capacitor CN3 through the connection pin P5. The voltage level at the gate of the Mos-FET T3A is adjusted via the diode D101. Via the resistor R1N3 the voltage level is fed to the connection IN of the cross controller IC103. Via the Mos-FET Q105 a deep discharge protection for the battery to be connected to port X2 is realized. With the aid of the optocoupler U101 it can be set whether the circuit according to FIG. 23 should operate a safety light as a continuous light or as a ready light. Intelligent program control in the IC102 microcontroller IC can slow down or speed up the clock speed of the push-pull stage from the Mos-FET T3A, T4A. Through intelligent program control in the IC102 microcontroller IC, the luminance of the LEDs LED101, LED102, LED103, LED104 can be increased during operation. LED101, LED1Ü2, LED103, LED104 aging can be measured and determined from the current of the emitter of transistor Q101, which is tapped as the voltage across resistor RI10. The clock frequency in the primary switching regulator, in particular via the transformer TRI, is set via the terminals PFB and PBP. One side of the transformer TRI is guided on the contact lug PD. The voltage at the transformer TRI is already stabilized on the input side by the capacitors C107 and C108. An energy return via the transformer TRI is avoided by the diode D109, wherein the voltage behind the diode D09 is also stabilized by a capacitor, through the capacitor CI06. Based on the value of the voltage across the resistor R2N1 can be concluded that the current accumulator voltage of the accumulator at the terminal X2. This information is also available to the microcontroller IC IC102 via the connection P7.
Figure 24 shows a possible circuit variant for a high-frequency communication module, which in the previously z. In 51
^ -Tecnnik e. κ. RPT 13036 AT
Cremer &amp;
08.03.2013 of Figure 1, z. B. in the figure 3 or z. B. in the figure 4 illustrated safety lights and housings can be installed to form a lamp module 1831. The circuit of FIG. 24 includes an input assembly having the terminal for phase conductor L and neutral N, a rectifier B201, and a rectified voltage rectification capacitor C201 after rectifier B201. The voltage can be forwarded via the switch contact of the relay K200 "to the function module with the microprocessor HF-MCU. The microprocessor HF-MCU receives its clocking from a quartz Q200. The microprocessor RF-MCU is in electrical communication with a series resonant circuit of the capacitor C202 and the coil L201, which is connected to the antenna A201. The microprocessor HF-MCU can drive the lamps LED201, LED202. For this purpose, a PIN of the microprocessor HF-MCU is guided on the resistor R200. The resistor R200 is connected in series with the lamps LED201, LED202. The resistor R202 serves as a charge resistor for the battery B200. The diode D200 can provide electrical energy from the accumulator B200 to the microprocessor HF-MCU when no voltage is fed through the switching contact of the relay K200 '. As a suitable microcontroller RF-MCU, for example, the SilOlO manufacturer Silicon Labs could be used.
The circuit of Figure 24 is powered by a voltage applied to the terminals of the phase conductor L and the neutral conductor N. The voltage may be, for example, a voltage from the supply network. With the aid of the rectifier B201 and the capacitor C201 it is ensured that a DC voltage is subsequently available to the circuit. The voltage corresponds to the peak voltage from the supply network. The accumulator B200 is charged from the DC voltage through the resistor R202. Also from the DC voltage is supplied from two LEDs {LED201, LED202) existing bulbs. The LEDs LED201, LED202 are white LEDs. The electric current 52
RPT 13036 AT
Cremer &amp;
03/08/2013
^ Cnnik e. K. by the LEDs LED201, LED202 is limited by the resistor R200. If a charge end voltage is selected, which is located between 60% and 85% of the nominal voltage of the accumulator B200, and the DC voltage at the microcontroller HF-MCU falls below a specified limit, the light source, the LEDs LED201 and LED202, from the accumulator be supplied via the diode D200. The microcontroller HF-MCU is a microcontroller with an analog-to-digital converter and an RF module (radio-frequency module). As the reference potential of the negative terminal of the battery B200 is taken. In an alternative embodiment, the power supply for the microcontroller HF-MCU via a DC-DC converter from the anode potential of the LED201 done (not shown). With the three terminals visible in FIG. 24 on the microcontroller HF-MCU (3-tiller), terminals of the microcontroller HF-MCU being selected which are fed to the analog-to-digital converter, the microcontroller can determine the actual value of the DC voltage, measure the voltage of the accumulator B200 and the current through the LED201 and LED202 illuminant based on the voltage across the resistor R200. In a calculation step, voltage differences in the microcontroller RF-MCU can be determined. The voltage differences serve to determine the charge current for the accumulator B200 and the voltage across the light source (LED201, LED202). If values are thus measured and calculated which lie outside a tolerance band, then the microcontroller reports this error via the antenna A201 to other, in particular similar network nodes. In response, the microcontroller RF MCU may force operation of the circuit from the accumulator B200 by switching the relay K200. Also, a capacity test of the battery B200 may be performed. The signal for transmission as a high-frequency signal is forwarded to the antenna A201 via the bandpass filter of capacitor C202 and coil L201 tuned to the radio frequency band. In a further possibility, the signal 53
Kp-xecnnik e. K. RPT 13036 AT
Cremer 4 Steiner 08.03.2013 be forwarded via the dashed lines to other points of the circuit. The quartz Q200 serves as a clock or clocking in the sense of a frequency base for the frequency band. Quartz Q200 can also be used as a time base for an up-to-date stamp or token.
The previously presented safety light can also be referred to as a lamp with a housing in a housing. The concept of "enclosure-in-housing" creates areas of different tightness classes in the emergency luminaire. The particularly critical parts of the safety light, in particular the electronic module with LEDs, the electronic ballast or the electronic control gear, is protected twice.
Such safety lights can be the usual
Cleaning measures for tunnels are suspended. Tunnels are often cleaned with brush vehicles, which apply cleaning water with pressures up to more than 3000 bar to the wall to be cleaned. The encapsulated electronics of the emergency luminaire are protected from the cleaning water. The double-walled housing protects the most sensitive part of the safety light several times, more precisely twice.
The previously described combinations and exemplary embodiments can also be considered in numerous other connections and combinations. 54

权利要求:
Claims (15)
[1]
RP technique e. K. RPT 13036 AT Cremer &amp; Creraer 08.03.2013 Reference list 201, 301, 401, 801, 901, 1101, emergency luminaire 1501, 1601, 1601 '1602 Emergency exit luminaire 203, 303, 403, first enclosure 1103 1604 Emergency exit luminaire 205, 305, 805, light exit surface, especially 905, 1105 Light emission surface 207, 307, 1607 pictogram 9, 109, 209, 309, 809, 909, 1109, 1709 11, 111, 211, 311, second housing, in particular inner housing 411, 811, 811 ', windows, in particular windows with elevated 911, 911 ', 1111, translucency 1411, 1711 13, 113, 1713 first side wall, in particular of the second housing 1714 side wall segment 15, 115, 1715 second side wall, in particular of the second housing 516, 616, 716, 816 region with light guiding function, in particular a reflector 117th , 417, 917, light-deflecting area, 1017, 1117, 1417, in particular a lens 518, 618, 718, board 818, 918, 1018, 1718 519, 619, 719, light space 819, 919, 1719, 520, 620, 720, first Mirror surface, in particular ere 820, 920, 1420 prismatic boundary layer 121, 421, 521, first LED 55 RPT icnnik 13036. e. K. AT Cremer &amp; He rbe r 08.03.2013 621, 721, 821, 921, 1021, 1121, 1721 123, 423, 1023, second LED 1723 125, 425, 1725 third LED 127, 427 fourth LED 129, 429 fifth LED 1730 holder 131, 831, 931, light module 1031, 1131, 1731, 1831 1732 flap, in particular side wall segment 233, 333, 1433 LichtverteiIscheibe, in particular Lichtverteilkranz 235, 335, 835, first interior, especially larger 935, 1135 interior 237, 337, 837, second, in particular interior space 39, 139, 839, 939 separated from the first 937, 1137, 1737, light exit surface 1739 41, 841, 941 light entrance surface 143 input 1245, 1345 first light propagation, in particular projection plane 1247, 1347 second light propagation, in particular projection plane 1248, 1348 irradiation standards of an LED 549, 649, 749, first light flux maximum 1349 550, 650, 750, second light flux maximum 1350 851, 951, 1151, transformer 1751 953, 1153 accumulator tor 56 RP-Technik e. K. RPT 13036 AT Cremer &amp; Cremer 08.03.2013 1754 control unit, in particular IC 855/1155 capacitor 1756 tuning module, in particular switch 857, 957, 1157 control board 859, 959 AC power supply 1063, 1163 first lens area, in particular convex 1065, 1165 second lens area, in particular convex 1069, 1169 third lens area, in particular concave 1170 fourth lens area, in particular gap 1571 radio device, in particular mobile telephone 1572 communication module 1175 first contact strip, in particular electrical-thermal conductor 1177 second contact strip, in particular electrically-thermal conductor 1179 line contact 1181 light conversion layer 1183 fifth lens area, in particular potting body 1185 heat conduction element 1186 Luminescence semiconductor, in particular layer doping 1587, 1687, 1687 'Escape route 1688 Tunnel 1689 Tunnel ceiling 1590, 1690 Rear wall 591, 691, 791, light beam, especially LED 891, 1491 Light beam 593, 693, 793, Light beam path, in particular 993, 1693 '1493, 1693, deflected light beam 594, 1494 794, 894, second mirror surface 595, 695, 795, 895 third mirror surface 596, 696, 796, extension 57 896, 996, 1096 RP technology e. K. Cremer &amp; Cremer RPT 13036 AT 08.03.2013 1097 Spacing 1598 First detection distance, especially minimum width 1599 Second detection distance, especially maximum width Oi, Of ', Oi' 'Angle ß ß "Angle Y &quot; Angle φ, φ ', cp' ', φ' '' angle, in particular in the illumination plane ψ, ψ 'angle, in particular detection angle I electrical current Iconst constant current, in particular a control unit I var variable current, in particular a control unit Φ, Φ' (Φ "Luminous flux Φι Luminous flux, in particular a safety luminaire with constant current control φ2 Luminous flux, in particular a safety luminaire with regulated increasing current Φπιίη, Φ # ηιίη Minimum luminous flux, in particular as failure limit of a safety luminaire tEndl First operating time end t-End2 Second operating time end t Operating time Α2 01 Antenna Β200 Accumulator Bl , B2, ΒΙΟΙ, Β201 Rectifier CG Capacitor CI, C2, C3, C4, Capacitor, in particular Capacitance C5, C6, C7 58 K. ^ Tecnnik e. RPT 13036 AT Creraer i ^ üremSr-08.03.2013 C103, C104, C106, Capacitor, in particular capacitance C107, CI08, C201, C202 CN1, CN2, CN3, capacitor, in particular K Capacitance CN4, CN5 DD Diode DZ Diode, in particular Zener diode Dl, D2, Diode D101, D102 Zener diode D103, D109, D200 Diode GND Grounding RF MCU Microcontroller with high-frequency assembly IC1 IC, in particular operational amplifier IC2, IC101 IC, especially switching power supply IC IC3, IC102 IC, in particular microcontroller IC4, IC103 IC, in particular transverse regulator IN input, in particular connection of the transverse regulator J1 AC voltage connection, in particular for transformed AC voltage K200, K200 'relay with switching contacts L phase conductor LED1, LED2, LED3, LED, in particular light emitting diode LED4, LED5, LED6, LED7, LED8, LED9, LED10, LED11, LED12, LED13 LED101, LED102, LED, especially light-emitting diode LED103, LED104, LED201, LED202 LI, L101, L201 Coil N Neutral OUT output, in particular connection of the cross regulator Pl, P2, P3, P4, electronic contact, in particular 59 Tecnn'ik e. K. RPT 13036 AT

Cremer &amp; cremer 08.03.2013 P5, P6, P7, P8, P9, P10, Pli, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, P23, P24 Contact lug or pin or connection pin Pinl, Pin2, Pin3, Pin4, Pin5, Pin6, Pin7, Pin8, Pin9, PinlO, Pinll, electronic contact, in particular contact lug or pin Pinl2, Pinl3, Pinl4, Pinl5, Pinl6, Pinl7, Pinl8, Pinl9, Pin20, Pin21, Pin22, Pin23, Pin24, Pin25, Pin26, Pin27 PD PFB PBP Pin D Pin FB Pin BP Q1, Q2, Q105 Q200 RI electronic contact, in particular contact lug electronic contact, in particular contact lug electronic contact, in particular contact lug electronic contact, in particular contact lug or pin electronic contact, in particular contact lug or pin electronic contact, in particular contact lug or pin controlling semiconductor component, in particular Mos-FET quartz, in particular as clock resistor, in particular current limiting resistor 60 i-rare nHgnBHra e. K.Hü Cremer &amp; uremer RPT 13036 AT 08.03.2013 R2 Resistor, in particular voltage divider resistor R3, R4, R5, R6, resistor R7, R8, R9, RIO, R11, R12, RI3, R14, R15, R16, R17 R101, R102, R104, resistor R106 , R107, R108, R110, R115, R116, RI17, R118, R200, R202 RF Schut resistor R1N1, R1N2, R1N3, resistor RIN4, R1N5 R2N1, R2N2, R2N3, resistor R2N4 RVl varistor S1 controller or selector switch SV1-1 first Contact, in particular for a supply voltage SV1-2 second contact, in particular for a supply voltage TI, Q101 controlling semiconductor device, in particular transistor T3A, T4A field effect transistor, in particular Mos-FET TRI transformer VCC potential VDD potential X4-2 contact Xl-3 contact X2 contact Ul , U2, U101 UV1 U-VR optocoupler varistor varistor 61

Creiner &amp; Cremer 08.03.2013 RP-Technique e. K. RPT 13036 AT Claims: 1. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) comprising a housing (203, 303, 403, 1103, 1604) with at least one , in particular with a pictogram (207, 307), with an opaque light distribution disc (233, 333, 1433) or with a lens-structured illuminant assignable Lichtabstrahlflache (205, 305, 805, 905, 1105), in which in an interior (237 , 337, 835, 837, 935, 937, 1135, 1137, 1737) of the safety light (801, 901, 1101, 1501, 1601, 1601 ', 1602) has a light module (131, 831, 931, 1031, 1131, 1731, 1831), characterized in that the lighting module (131, 831, 931, 1031, 1131, 1731, 1831) as electronic operating device for at least two LEDs (121, 421, 521, 621, 721, 821, 921, 1021, 1121, 1721, 123, 423, 1023, 1723, 125, 425, 1725, 127, 427, 129, 429, LED1 LED2, LED3, LED4, LEDS, LED201, LED202), whose supply voltage is from an AC voltage supply (L , N), in particular a light power supply, and in particular the at least two LEDs (121, 123, 125, 127, 129, 421, 423, 425, 427, 429, LED1, LED2, LED3, LED4, LED5, LED201, LED202) are connected in series and with their light-emitting orientation to a translucent area, which acts as a window (11, 111, 211, 311, 411, 811, 811 '911, 911', 1111, 1411, 1711) of an insulating Housing (9, 109, 809, 909, 1109, 1709) are aligned, wherein the insulating housing (9, 109, 809, 909, 1109, 1709), the lamp module (131, 831, 931, 1031, 1731, 1831) before Influences from the remaining interior (235, 335, 1135) 1

RP technique e. K. RPT 13036 AT



Cremer &amp; Cremer 08.03.2013 the safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) protects.
[2]
2. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to claim 1, characterized in that the window (11) has a light entry surface (41) and a light exit surface (39) that have mutually extra-parallel surface areas.
[3]
3. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to any one of the preceding claims, characterized in that the window (11, 111, 211, 311, 411, 811, 811 '911, 911', 1111, 1411, 1711) is opalescent.
[4]
4. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to any one of the preceding claims, characterized in that the housing (203, 303, 403, 1103, 1604) of the safety light (801, 901, 1101, 1501, 1601, 1601 ', 1602) has a first protection class and the insulating housing (109, 809, 909, 1109, 1709) of the lamp module (131, 831, 931, 1031, 1131, 1731, 1831) has a second class of protection, in particular by encapsulating the insulating housing (109, 809, 909, 1109, 1709) of its, in particular second, interior (237, 337, 835, 837, 935, 937, 1137, 1737), wherein preferably the second protection class is higher than the first protection class.
[5]
5. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that the window (11, 111, 211, 311, 411, 811, 811 '911, 911', 1111, 1411, 1711) of a polymethylmethacrylate, 2

RP technique e. K. RPT 13036 AT



Cremer &amp; Crenier 08.03.2013 polycarbonate or from a polyethylene terephthalate, in particular by an injection molding process is prepared, and preferably the insulating housing (109, 809, 909, 1109, 1709) of acrylonitrile-butadiene-styrene, a polycarbonate, a polyester or combinations made of these materials.
[6]
6. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to any one of the preceding claims, characterized in that the window (11, 111, 211, 311, 411, 811, 811 '911, 911', 1111, 1411, 1711) has a light steering function (516, 616, 716, 816, 917, 1017, 1117, 1417), e.g. B. by a lens structure (917, 1017, 1117, 1417), assumes, in particular in a spatial plane, a light beam (591, 691, 791, 891), of the LEDs (521, 621, 721, 821, 921, LED1 , LED2, LED3, LED4, LEDS, LED201, LED202), focused.
[7]
7. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that the electronic operating device a voltage input (SV1-1, SV1-2, L , N) for the supply voltage to which both DC voltage and AC voltage can be connected as the supply voltage.
[8]
8. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that the electronic operating device has an output resistance (RI, R2, R200) at an interface to the LEDs (LED1, LED2, LED3, LED4, LEDS, LED201, LED202) that is variable. 3 creamers &amp; Cremer 08.03.2013 RP-Technique e. K. RPT 13036 AT
[9]
9. Safety luminaire (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that in the insulating housing (109, 809, 909, 1109, 1709) an accumulator (B200) is arranged, which receives an electrical charge from the supply voltage at an existing supply voltage, in particular receives at least one trickle charge, and at a lack of supply voltage, the electrical supply of the LEDs (121, 123, 125, 127, 129, 421, 423, 425, 427, 429, 821, 921, 1121, 1721, LED1, LED2, LED3, LED4, LED5, LED201, LED202) takes over.
[10]
10. Safety luminaire (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that the luminaire module (131, 831, 931, 1031, 1131, 1731, 1831) carries the LEDs (121, 123, 125, 127, 129, 421, 423, 425, 427, 429, 821, 921, 1121, 1721, LED1, LED2, LED3, LED4, LEDS, LED201, LED202), in particular the LEDs (121, 123, 125, 127, 129, 421, 423, 425, 427, 429, 821, 921, 1121, 1721, LED1, LED2, LED3, LED4, LED5, LED201, LED202) on the lamp module (131 , 831, 931, 1031, 1131, 1731, 1831) are attached.
[11]
11. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 *, 1602) according to one of the preceding claims, characterized in that the light module (131, 831, 931, 1031, 1131, 1731, 1831) a monitoring circuit for the LEDs (121, 123, 125, 127, 129, 421, 423, 425, 427, 429, 821, 921, 1121, 1721, LED1, LED2, LED3, LED4, LED5, LED201, LED202) , a monitoring circuit for an accumulator and / or a signaling circuit for a high-frequency transmission of status messages of the safety light (801, 901, 1101, 4 ΒΜΜΙΜ



Cremer &amp; Cremer 08.03.2013 RP-Technique e. K. RPT 13036 AT 1501/1601, 1601 ', 1602) to a central control unit.
[12]
12. Safety light (201, 301, 401, 801, 901, 1101 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that the safety light {801, 901, 1101, 1501, 1601, 1601', 1602) comprises a switching input, in particular in addition to the voltage input (SV1-1, SV1-2), a second switching input, via which a luminous flux is variable only in the case of an undisturbed supply voltage.
[13]
13. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that at least one of the housing (109, 809, 909, 1109, 1709; 203, 303, 403, 1103, 1604) comprises parts which, as a housing segment field (1713, 1714, 1715, 1732) connected, in particular foldable or foldable, form side walls of the housing.
[14]
14. Safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) according to one of the preceding claims, characterized in that the insulating housing (9, 109, 209, 309, 809, 909 , 1109, 1709) the LEDs (121, 421, 521, 621, 721, 821, 921, 1021, 1121, 1721, 123, 423, 1023, 1723, 125, 425, 1725, 127, 427, 129, 429, LED1, LED2, LED3, LED4, LEDS, LED201, LED202) is covered with a material of polycarbonate or polyethylene terephthalate, in which additive flame retardants are incorporated, wherein preferably a transparency of the window (11, 111, 211, 311, 411, 811, 811 '911, 911', 1111, 1411, 1711) is printed regionally, whereby a region-wise transparency modification is made. 5 creamers &amp; Cremer 08.03.2013 RP-Technique e. K. RPT 13036 AT
[15]
15. Operation control method of a safety luminaire (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602), in particular according to one of the preceding claims, comprising at least two LEDs (121, 123, 125, 127, 129, 421, 423, 425, 427, 429, 821, 921, 1121, 1721, LED1, LED2, LED3, LED4, LEDS, LED201, LED202) in a separate, inner housing (109, 809, 909, 1109, 1709) within the housing (203, 303, 403, 1103, 1604) of the safety light (801, 901, 1101, 1501, 1601, 1601 ', 1602), characterized in that the safety light (201, 301, 401, 801, 901, 1101, 1501, 1601, 1601 ', 1602) an operating state and / or a malfunction of the components of the inner housing (109, 809, 909, 1109, 1709) via at least one of the LEDs (121, 123, 125, 127, 129, 421, 423, 425, 427, 429, 821, 921, 1121, 1721, LED1, LED2, LED3, LED4, LED5, LED201, LED202). 6

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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DE201210101950|DE102012101950A1|2012-03-08|2012-03-08|Safety lamp installed in electrified tunnel for rail vehicle e.g. train, has LEDs to emit light that is radiated and oriented to translucent region including window aligned in insulating housing that protects inner space of lamp module|

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