• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a linear luminaire for forming a light band, comprising a housing which defines a light exit opening on at least one longitudinal side, and an at least partially translucent cover which closes the light exit opening, wherein the cover is formed of a plastic material, which is rolled up lengthwise wherein the cover has at least one film hinge in the longitudinal direction of the cover, which can be brought into a flat position for winding the cover, while it is angled in the assembled state of the field lamp.
    公开号:AT520129A2
    申请号:T50467/2018
    申请日:2018-06-12
    公开日:2019-01-15
    发明作者:
    申请人:Osram Gmbh；Siteco Beleuchtungstechnik Gmbh；
    IPC主号:
    专利说明:

    LIGHTING TECHNICAL COVER FOR LANGE LIGHTING DESCRIPTION
    The present invention relates to a linear luminaire with a lighting cover.
    Linearly arranged lamps for the formation of light bands, which are also referred to as linear lamps, can only be produced in a limited length, so that it is necessary to form a light band, several such linear array lamps frontally to arrange one behind the other. However, joints are created at the end faces, which remain visible. To reduce the number of joints, the length of the linear luminaires can be increased. Then, however, the manufacturing process and the transport of such linear luminaires is very expensive.
    The housing of such lights is usually made of metal or plastic and closed with a lighting cover. In particular, on the cover, the joints between parts of the cover remain visible in the light band. It would therefore be desirable to provide covers as long as possible over several luminaire housing. However, even for the production and transportation is complicated.
    To solve this problem, it has already been proposed in the prior art to provide a roll-up lighting cover for such lights. For example, WO 2014/174019 A1 discloses a cover for an elongated lighting system, which is made of plastic and can be rolled up. The connection area between the cover and the housing is angled away from the cover to mount the cover to the housing. However, this area complicates the rolling up of the cover due to the angulation. This problem is accepted and only partially solved in that the angled portion of the cover is formed of a more flexible plastic than the rest of the area of the cover.
    The object of the present invention is to provide a linear luminaire with a cover which can be produced in large lengths and transported in a space-saving manner.
    The problem is solved by a linear luminaire according to claim 1.
    A special feature of the linear luminaire according to the invention consists in the type of cover, which has a film hinge. The film hinge makes it possible to roll up the cover in a disassembled state of the lamp lengthwise. It is advantageous that the cover can be completely brought into a flat position, so that the rolling is simplified compared to the construction of the prior art. For mounting the lamp, the film hinge is angled, for example by 90 ° or 45 °, so that the cover has a greater mechanical strength and can be mounted on the long sides of the light exit opening of the housing.
    According to a preferred embodiment, at least two film hinges or at least four film hinges are provided on the cover parallel to each other. For two film hinges, a U-shape is generally preferred, e.g. in which the film hinges are angled in the mounted state in each case by 90 ° to form a rectangular cross-section with the housing together. With four film hinges, angling between in each case between 30 ° and 60 ° is preferred. In this embodiment, the cover together with the housing, for example, forms a trapezoidal shape. These shapes give the cover additional stability. Further, they are preferable as a shape of a light exit surface for a light band.
    According to a preferred embodiment, at least the region between the two film hinges of the cover is made transparent. For example, the film hinges can be provided in the transition region between a translucent middle section and edge regions. As a result, the light exit surface is limited to exactly the area between the film hinges. According to an alternative embodiment, however, it may also be provided that all areas of the cover adjacent to the film hinge, as well as the film hinge itself, are designed to be translucent. In this case, the light exit surface of the lamp is formed by an angled surface protruding from the lamp. For example, such embodiments are preferred when the translucent cover has additional light-influencing elements, such as scattering elements or refractive elements. Thereby, the light output can be influenced in different directions e.g. to achieve a glare. However, elements for influencing light can also be provided only on a flat portion of the otherwise translucent cover. According to a preferred embodiment, the cover can also meet high lighting requirements. For example, the cover can meet a suitable for VDU workplaces glare according to DIN EN 12464-1 "Lighting of workplaces - workplaces indoors" from August 2011.
    According to a preferred embodiment, the cover has at least one longitudinal edge, preferably at two opposite longitudinal edges, an insertion profile, e.g. one
    Hook profile and / or a round profile, for insertion into one or two grooves of the lamp housing. Thereby, the cover can be attached to the lamp housing. The hook or. Round profile can also serve as a seal to achieve a dust and / or moisture-proof light at the same time.
    According to a preferred embodiment, the cover is formed from an extruded plastic. In this case, the edge regions and a different light-transmissive region of the cover made of different plastics with the same or different base material (for example PMMA, PC or ABS) can also be formed in a coextrusion process.
    Extrusion is particularly preferred because it allows the production of large-length covers easily. Since the cover can be rolled up for transport, it is not necessary to cut the cover to the length of the housing, but a cover can also extend over a plurality of housing parts. The cut can also be done only during installation of the lamp on site. Preferably covers as long as possible, e.g. At least 4m, 6m, 10m or 20m, provided to reduce the number of joints in a light band arrangement of multiple linear luminaires or to avoid altogether. Furthermore, the length of a cover (greater than 80 m), which is required, for example, for the construction of multiple light bands, can also be located on a roll. Limiting here is only the handling of the roles (weight, size) during transport.
    According to a preferred embodiment, the material of the cover has different optical and / or mechanical properties in at least one edge region and in a region different therefrom. For example, the edge region may be made of a more flexible plastic to facilitate a simple plug-in connection into a plug-in receptacle, e.g. in a groove to allow the housing while also improving the tightness. In the middle region, the cover preferably has a higher light transmission or a lower light scattering. For example, optically high-quality covers can optionally be formed with integrated light-directing and / or light-scattering elements in the middle region of the cover.
    According to a preferred embodiment, the cover is designed to be longer than a housing part and the housing is formed from a plurality of housing parts, which adjoin one another at the end face. For example, the housing parts may be formed of a solid plastic or metal (e.g., an extruded profile or sheet). These housing parts have a shorter length than the cover, in order to be able to produce and transport them well. The cover is formed in contrast to a greater length, since this can be easily transported by rolling. Since in the assembled state of the lamp, the housing is barely visible or even emits no light, the joints between the housing parts for the viewer are barely perceptible. However, the more critical in the appearance of the light light exit surface is formed in one piece, so that no joints are visible.
    In an alternative embodiment, the housing is integrally connected to the cover on at least one longitudinal side. The housing can be connected in this embodiment with a longitudinal side, and preferably only on one longitudinal side, with the cover by a plug connection. The connector may be present in a corner or within a wall of the lamp housing or the cover. In these embodiments, preferably both the housing and the cover can be brought into a flat position in order to be able to roll up the housing including the cover.
    The housing has to longitudinally also one or more parallel film hinges in order to fold the housing for mounting the lamp together with the cover in a box-shaped profile can. For example, the housing and a translucent portion of the cover are each connected to a film hinge and one or two further film hinges are provided within the housing walls in order to be able to fold the cover into a rectangular cross-sectional shape together with the housing. The longitudinal edges of the combined unit housing and cover are formed so that they can be plugged into each other. As a result, the housing with the cover to form a closed cross-section through a single connector, for example with a hook or round profile on one side and a groove on the other side. The lighting means can be mounted on the inside on a housing wall, in particular opposite the light outlet opening. For example, an LED array (e.g., integrally in a light engine) may be mounted on the inside of the housing. According to a further embodiment, it can also be provided that the LED row is connected to the housing wall and the electrical connections within the LED row are made so flexible that they can be rolled up together with the housing and the cover. In one embodiment, the LED array or the Lightengine can be applied directly to the luminaire housing by means of gluing, layer technology or the like. In a further embodiment, printed conductors, semiconductor components or other electronic components can also be introduced directly onto or into the luminaire housing by means of printing technology, coextrusion, MID (Molded Interconnected Devices) or other integrated connection techniques.
    According to a preferred embodiment, the housing and the cover are formed from coextruded plastic. For example, for the cover, a translucent plastic and the housing, a non-translucent plastic by coextrusion be connected to each other. Preferably, coextrusion uses plastics with the same starting material (e.g., PMMA, PC or ABS) with different additives. The joints may have said film hinges.
    According to a preferred embodiment, the housing has at least one film hinge. Overall, at least three film hinges between the cover and the housing or within the housing may be provided. At an edge within the housing or between the housing and cover connectors may be provided to build the housing with a closed cross-section. In this
    Embodiment extends a single plug connection between the cover and a housing wall or within a housing wall in order to build the housing in the closed cross-section can.
    Other features and advantages of the present invention will be apparent from the following description of preferred embodiments, taken in conjunction with the accompanying drawings. The figures show the following:
    FIG. 1 shows a section of a linear luminaire in a perspective view.
    FIG. 2 shows a section of a luminaire cover of FIG. 1 in a perspective view.
    Figures 3 and 4 show a frontal view of the
    Cover according to Figure 2 in two different positions, which can take the cover.
    FIG. 5 shows a complete covering of the luminaire according to FIG. 1 in the rolled-up state.
    FIG. 6 shows a section of a linear luminaire according to an alternative embodiment in a perspective view.
    Figure 7 shows a portion of the lamp cover of
    Lamp according to Figure 6 in perspective view.
    Figures 8 and 9 show a frontal view of the
    Cover according to Figure 10 in two different positions, which can take the cover.
    Figure 10 shows a portion of a strip light of an alternative embodiment in a deployed state.
    FIG. 11 shows a section of the field lamp according to FIG. 10 in the folded-up state.
    FIG. 12 shows a frontal view of the linear luminaire according to FIGS. 10 and 11 with illuminant.
    FIG. 13 shows an end-side view of the linear luminaire according to FIGS. 10 to 12 in the mounted state with attached luminous means.
    Referring to Figures 1 to 5, a first
    Embodiment of a field lamp described. The
    Linear luminaire has a box-shaped, open to one side housing 2 and a cross-sectionally approximately U-shaped folded cover 4, which can both be joined to form a rectangular cross-section, as shown in Figure 1. The housing 2 may be formed of a metal, for example of an aluminum extruded profile, or a plastic. The housing 2 has on the inside two grooves 6, which are intended to receive hook-shaped profiles 8 of the cover 4. The profiles 8 extend continuously at the outer longitudinal edges of the cover 4. By inserting the profiles 8 in the grooves 6, the cover 4 is held on the housing 2. Furthermore, a tightness between the housing 2 and the cover 4 is achieved.
    The cover 4 is made of a flexible plastic, in particular an extruded plastic, e.g. PMMA, PC or ABS. At least in the region of the light exit opening of the luminaire, which is defined by the downwardly open side of the housing 2, the cover is transparent. Between the portion of the cover 4, which closes the light down, and the upwardly directed side walls, a continuous film hinge 10 is provided, which due to a lower material thickness (ie, less than adjacent wall portions) and the flexibility of the plastic material allows the side walls of the cover 4 so that the cover 4 assumes a substantially flat position as shown in FIG. This makes it possible to completely roll up the cover 4, as shown in Figure 5, while the upwardly angled lateral portions of the cover 4, as shown in Figures 1 to 3, give the cover additional stability.
    Figures 1 and 2 each represent only a portion of the field lamp. It is to be understood that the lamp extends further in the longitudinal direction. However, that is
    Cover 4 substantially longer than one of the parts of the housing 2. The housing 2 may in particular comprise a plurality of sub-segments, each extending over only a portion of the length of the cover 4. In this way, a plurality of the lamp housing sections can be provided one behind the other, which are connected by a continuous cover 4. As a result, the number of joints in a light band at the light exit side of the lamp is reduced. The joints between the lamp housing sections are less noticeable because no light is transmitted through the housing 2, or the housing 2 are even installed in a recess on the building side.
    Referring to Figs. 6 to 9, a second embodiment will be described. The components corresponding to the first embodiment are provided with the same reference numerals. The housing 2 is identical to the previously described embodiment. However, the cover 4 has in this case a total of four film hinges 10, wherein in the assembled state of the lamp each film hinge is angled at approximately 45 °. Each of the film hinges 10 is formed by a triangular in cross section recess, which does not extend through the entire material thickness of the cover 4. On the outside of the cover 4, a continuous film is formed, which acts as a film hinge 10. The triangular cutouts are in the erected state of the cover 4, as shown in Figure 9, joined together in the manner of a miter.
    Referring to Figs. 10 to 13, another embodiment of a field lamp will be described. In this embodiment, the housing 2 is integrally connected to the cover 4. The cover 4 comprises two
    Film hinges 10, which are each connected to two side walls of the housing 4. Furthermore, the housing 2 also comprises a third film hinge 10, which connects two side walls of the housing 2 with each other. Further, a longitudinal edge on a round profile 8, which can be inserted into a correspondingly shaped groove 6 on the opposite side of the housing wall to bring the housing in a closed mold. In this embodiment, the cover 4 and the housing 2 are integrally formed of co-extruded plastic, wherein preferably the sides of the housing are not made translucent, while the cover 4 is formed completely translucent. It is also possible that the housing walls are partially translucent.
    Further, on the opposite side of the cover 4 of the housing 2, a light source in the form of a band of a plurality of LEDs 12 is provided. The tape is inserted in two opposite undercuts 14 on the inside of the housing 2 lengthwise. Preferably, the LEDs 12 are so flexibly interconnected that the LEDs 12 together with the housing walls 2 and the cover 4 in the flat position, as shown in Figure 12, can be rolled up lengthwise to make it easier to transport.
    Numerous modifications to the previously described embodiments are possible within the scope of the invention, which is defined by the claims. In particular, on the respective cover on the inside and / or outside refractive elements, e.g. prism-shaped or lenticular elevations or depressions, provided to produce a desired light distribution. Furthermore, the shape of the cover, in addition to the flat and trapezoidal cover as previously described, also have a different shape. Preferably, a plurality of planar portions are each connected to a film hinge, so that the
    Cover can be brought into the flat position for rolling up.
    As materials for the cover of the housing in particular extruded plastics, such as PMMA, PC or ABS are preferred because they can be produced in large lengths and meet high lighting requirements. While in the split housing and cover embodiments the housing is preferably made of a more rigid material than the cover, in the one-piece embodiments, as in the embodiment of Figs. 10-13, the cover and walls of the housing are made of a material having the same flexural capability made to co-roll the cover together with the housing walls in the flat position can.
    The flexibility of the material for the cover and possibly also for the housing have the further advantage that in the plug connection between the housing and the cover, or in a plug connection between two housing parts, as shown in the embodiment of Figure 10 to 13, a Leakage can be achieved, which is a protection requirement for a splash-proof light, eg IP44 or higher, fulfilled.
    LEDs are particularly preferred as the light source, because they can also be connected to one another in a flexible band, so that it can be rolled up together with the cover and / or the housing. Furthermore, the LEDs (which are generally also to be understood as OLEDs) are particularly suitable for the described plastic materials of the luminaire due to the comparatively low heat development during operation.
    The portions of the cover and / or the housing may also be colored differently. For example, the cover can have clear or matt transparent areas, while the lamp housing is formed of a colored plastic with no or less light transmission.
    The covers shown can be made in principle as an endless belt. Preferably, the covers are at least four, six, ten or twenty meters long. On the other hand, when the housing sections are not fixed to the cover, they are made up of shorter sections, e.g. between one and two meters, long. In the embodiments in which the cover is integrally connected to the housing, as shown in Figures 10 to 13, preferably, the housing and the cover has the same length.
    REFERENCE LIST 2 Housing 4 Cover 6 Plug-in receptacle, e.g. Groove 8 male profile, e.g. Hook or round profile 10 film hinge 12 LED chain, e.g. a flexible LED band or Lightengine 14 LED band recording geometry
    权利要求:
    Claims (12)
    [1]
    A linear luminaire for forming a light band, comprising: a housing (2) defining a light exit opening on at least one longitudinal side, and an at least partially translucent cover which closes the light exit opening, wherein the cover (4) is formed from a plastic material which can be rolled up lengthwise, wherein the cover (4) has at least one film hinge (10) in the longitudinal direction of the cover (4), which can be brought into a flat position for rolling up the cover (4), while angled in the mounted state of the field lamp is.
    [2]
    2. Strip light according to claim 1, wherein at least two film hinges (10) are provided on the cover parallel to each other.
    [3]
    3. Strip light according to claim 2, wherein the region of the cover (4) between the fewest two film hinges (10) is designed to be translucent.
    [4]
    4. Strip light according to one of the preceding claims, wherein the cover (4) at least one longitudinal edge of a male profile (8), e.g. Hook profile or a round profile, for insertion into a plug receptacle (6) of the lamp housing.
    [5]
    5. Strip light according to one of the preceding claims, wherein the cover (4) is formed of an extruded plastic.
    [6]
    6. Linear luminaire according to one of the preceding claims, wherein at least one edge region and a different region of the cover (4) made of different materials, in particular of coextrusion produced plastics, is formed with different optical and / or mechanical properties.
    [7]
    7. Strip light according to one of the preceding claims, wherein the cover (4) is longer than a housing part and the housing (2) is formed of a plurality of housing parts, which frontally adjacent to each other.
    [8]
    8. Strip light according to one of claims 1 to 6, wherein the cover (4) is integrally connected to the housing (2) or housing parts.
    [9]
    9. Linear luminaire according to claim 8, wherein the housing (2) or a housing part and the cover (4) on a longitudinal side, and preferably on only one longitudinal side, are connectable to each other by a plug connection.
    [10]
    10. Strip light according to one of claims 8 or 9, wherein in the disassembled state of the field lamp, the housing (2) or the housing parts together with the cover (4) can be rolled up.
    [11]
    11. Strip light according to one of claims 8 to 10, wherein the housing (2) or housing parts and the cover (4) are formed from coextruded plastic.
    [12]
    12. Strip light according to one of the preceding claims, wherein the housing (2) has at least one film hinge (10) in a longitudinal direction of the field light.
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    同族专利:
    公开号 | 公开日
    DE102017114925A1|2019-01-10|
    AT520129A3|2021-03-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE1764963A1|1968-09-12|1971-12-30|Licentia Gmbh|Light strip ceiling light|
    DE29514477U1|1995-09-08|1995-11-02|Rehau Ag & Co|Wreath profile and light panel for system furniture|
    DE10353645B4|2003-07-10|2008-06-19|Siteco Beleuchtungstechnik Gmbh|Luminaire with asymmetrical light emission|
    DE202011051778U1|2011-10-27|2012-04-19|Martin Wallroth|Luminaire housing, in particular for wall or ceiling lights|
    US9004717B2|2013-03-12|2015-04-14|Hafele America Co.|Extruded housing with hinged lens for LEDs|
    DE202013101775U1|2013-04-24|2014-07-28|Zumtobel Lighting Gmbh|Luminaire cover for an elongated lighting arrangement|
    US9696015B2|2014-07-23|2017-07-04|Powerarc, Inc.|Changeable emergency warning light assembly|
    CN205191277U|2015-11-19|2016-04-27|杭州威利广光电科技股份有限公司|LED lamps and lanterns structure with collapsible diffusion cover|DE102019105068B4|2019-02-28|2021-11-11|Sll Service Gmbh|Light box and light box group herewith|
    DE102019111461A1|2019-05-03|2020-11-05|Zumtobel Lighting Gmbh|Luminaire cover for an elongated lighting arrangement|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102017114925.2A|DE102017114925A1|2017-07-04|2017-07-04|Lighting cover for linear luminaires|
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