• 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:
    In a luminaire (1, 9 ', 20, 27, 27') with lighting means (3, 11, 22, 24, 25, 28, 29, 39) and at least one solar cell module (6, 16, 23, 31) the solar cell module (6, 16, 23, 31) is adapted to at least partially receive or convert light or light energy of the lighting means (3, 11, 22, 24, 25, 28, 29, 39).
    公开号:AT16273U1
    申请号:TGM9024/2014U
    申请日:2014-04-16
    公开日:2019-05-15
    发明作者:Gajdos David
    申请人:Zumtobel Lighting Gmbh；
    IPC主号:
    专利说明:

    description
    LAMP WITH SOLAR CELLS The present invention relates to a lamp with lamps and solar cell modules according to the preamble of claim 1.
    A starting point for the present invention are lights that have solar cell modules as components. Such luminaires are based on the basic idea of using the solar cells to generate electricity for the luminaire. The solar cell modules are installed in or on the luminaire and the luminaires are usually operated with an accumulator and without a mains voltage source. The battery is charged via the solar cell modules and an external light source, with sunlight being used in particular. Accordingly, such lights are mainly intended for outdoor use, for example in gardens.
    Another starting point for the present invention are conventional lights that are operated with a mains voltage source and without solar cells. In principle, such lights have a housing and a lamp.
    The disadvantage of such lights is that a certain part of the light emitted by the light source or light is absorbed by the housing or other components of the lamp or is not emitted in the desired direction of light emission and is therefore no longer useful.
    There are also lights or light sources that are not easily interchangeable or interchangeable and in which certain properties of the emitted light are undesirable or at least not optimal with regard to a correspondingly desired application. In a certain sense, such light sources also emit useless light. In such cases, for example, there are permanently installed lights that only emit light of a certain color.
    The present invention has for its object to benefit from previously rather useless or unused light components of lights to improve the efficiency of the lamp.
    The object is achieved according to the invention with the subject matter specified in the independent claim. Particular embodiments and developments of the invention are given in the dependent claims.
    According to a first aspect of the invention, a lamp is provided which has illuminants and at least one solar cell module. The lamp also has a housing in the usual way and is preferably operated via a mains voltage source. The design or arrangement of the solar cell module is selected such that it at least partially absorbs the light or the light energy of the lamps when the lamps are in operation or converts them into electrical energy. It is preferable to convert exactly those light components emitted by the light source or sources that would otherwise have no use. These proportions are, for example, light which, without the solar cell module, e.g. would have been absorbed by the housing of the lamp or steered in undesired directions.
    According to a further aspect of the invention, the converted energy, hereinafter referred to as solar cell energy, is made available to the same luminaire or a luminaire component as electrical energy. In this way, an increased efficiency of the lamp is achieved.
    Advantageously, the solar cell energy of the solar cell module is used at least partially to supply the lamps themselves with energy.
    [0011] According to a further aspect of the invention, the lamp has at least one further / 12
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    Illuminant on, which is operated essentially exclusively with the solar cell energy. This additional illuminant is e.g. an LED module, which advantageously forms a structural unit with the solar cell module. In particular, the LED module can be operated without an energy store or can be physically connected to an external energy supply source.
    The LED module is then supplied with energy by another lamp of the lamp.
    The LED module then preferably forms a separable and / or interchangeable part of the lamp. In particular, the exchange is possible without great effort and preferably without tools.
    Preferably, the LED module should form a primary light emitting surface of the lamp. This means that other existing illuminants of the luminaire are only used in this case to supply the LED module with energy.
    According to a further aspect of the invention, the luminaire has an energy store, preferably an accumulator, which is designed to store the solar cell energy.
    The lamp according to the invention can also have at least one emergency lamp, which is designed to use the accumulator as a secondary energy supply in the event of failure of a primary energy supply to the lamp.
    According to a further aspect of the invention, the lamp has at least one extended operating unit with extended functions. Such extended operating units are, in particular, a control unit, a light source for accent lighting and / or a communication unit which is able to communicate with, in particular, an external remote control or control unit for lighting control.
    Furthermore, the control unit of the lamp can be designed to charge the accumulator with preferably the solar cell energy. Another possibility of charging is via the mains voltage source.
    Advantageously, the solar cell energy should be used to supply the extended operating units with energy, in particular the accent lighting and / or the communication unit already mentioned.
    According to a last aspect of the invention, the control unit is finally designed to preferably autonomously decide how the solar cell energy is distributed between the battery and the extended operating units.
    Generally, there are no restrictions as to what the solar cell energy is used for. The supply of all possible energy-consuming units of a lamp would be conceivable.
    The invention is explained in more detail below using several exemplary embodiments and with reference to the drawings. Show it:
    [0023] FIG. 1 shows a cross-sectional sketch of a luminaire with solar cell modules according to a first exemplary embodiment of the invention;
    [0024] FIG. 2 shows a perspective sketch of a conventional luminaire with an open housing without a solar cell module;
    FIG. 3 shows a cross-sectional sketch of the lamp from FIG. 2 additionally with solar cell modules according to a second exemplary embodiment of the invention;
    4 shows a cross-sectional sketch of a luminaire which has interchangeable LED modules with solar cell modules, according to a third exemplary embodiment of the invention;
    Fig. 5 is a circuit diagram of an electrical circuit arrangement which is part of a
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    Luminaire according to a fourth embodiment of the invention; and [0028] FIG. 6 shows a circuit diagram of an electrical circuit arrangement which is part of a lamp according to a fifth exemplary embodiment of the invention.
    All lights in the following exemplary embodiments preferably have a mains voltage source, not shown, as the primary energy supply.
    In Fig. 1, a cross-sectional sketch of a lamp 1 with an elongated U-shaped housing 2 is shown. The illuminant 3 is positioned inside the housing 2 and can consist, for example, of a collection of LEDs which are arranged one behind the other in the longitudinal direction of the housing 2. The underside of the housing 2 could be closed by a transparent light emitting element, not shown.
    In such lights 1, the illuminant 3 and any optical components are designed to emit light in the direction of the schematically illustrated light rays 5. However, even with an optimal design of the various components of the lamp 1, it is inevitable that at least a small part of the light will reach other areas, in particular lateral areas 4 of the lamp interior, which are indicated by two elliptical shapes in the figure. This light would ultimately be absorbed by the housing 2 or other components and would therefore no longer be usable.
    According to the present invention it is now provided that 4 solar cell modules 6 are located in the areas. This corresponds to a lamp 1 according to a first exemplary embodiment of the invention, in which light, in particular useless light and light generated by the lamp 1 itself, is used to generate energy for the same lamp 1. The energy obtained is then used to increase the efficiency or the efficiency of the luminaire 1. For example, with the help of solar cell modules 6, the external power supply to luminaire 1 could be reduced in the sense of energy feedback without reducing the usable luminous flux of lamps 3.
    2 shows a perspective sketch of a lamp 9 known from the prior art, in which the lamps 11 are arranged on an elongate plate-like carrier element 12, from which two lateral reflector wings 10 extend in a divergent manner.
    As a modification of the lamp according to FIG. 2, FIG. 3 shows a second exemplary embodiment according to the invention for energy optimization in a cross-sectional sketch. Here, therefore, a lamp 9 'is shown, which corresponds to the lamp 9 from FIG. 2 with solar cell modules 16. The latter are arranged on the inside of the reflector wings 10.
    In this case, the solar cell modules 16 therefore take up the light directed onto the inside of the reflector blades 10. The energy obtained in this way is then again made available to the luminaire 9 'and can be used for other purposes. The lamp 9 'thus also partially supplies itself with energy, which leads to an increase in the efficiency or efficiency of the lamp 9'.
    4 shows a third exemplary embodiment of a luminaire 20 according to the invention, which has a plurality of light source units which fulfill different functions. These light source units are a unit with illuminants 25, which is referred to below as the supply unit 21, and three LED modules 22. The LED modules 22 have solar cell modules 23 on the back and LEDs 24 on the front. The design of the supply unit 21 in this exemplary embodiment is similar to that of the lamp 9 from FIG.
    selected, whereby there are generally no restrictions for the supply unit 21. The entire construction essentially has three special features according to the invention.
    First, the LED modules 22 form a structural unit with the solar cell modules 23 and preferably have no external power supply connection. As a result, the LED modules 22 can only be operated by direct irradiation with light, which is done by the lighting means 25 of the supply unit 21.
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    Patent Office Second, the supply unit 21 does not form a primary, preferably no, light-emitting surface of the lamp 20. Instead, only the LEDs 24 of the LED modules 22 are responsible for the actual light-emitting of the lamp 20. In this case, it is therefore provided to use the supply unit 21 as a wireless energy supplier for the LED modules 22, so to speak.
    Third, finally, the LED modules 22 are components of the lamp 20, which are designed to be replaced or exchanged or exchanged as desired. The integration of the LED modules 22 in the luminaire 20 is preferably selected such that an exchange of each LED module 22 can be carried out as simply as possible. This means that, for example, no tools have to be used and in particular no connection to power supply lines is required.
    The lamp 20 is advantageous in its construction in that the light of the supply unit 21 can be essentially completely converted into light with other properties via the LED modules 22. With regard to the properties of the LEDs 24, such as the color or color temperature, there should generally be no restrictions. Furthermore, since the LED modules 22 form an encapsulated structural unit with the associated solar cells 23, individual modules 22 can be exchanged very easily, for example in order to modify the light-emitting properties of the lamp 20 or to replace a defective module 22. This is relevant to the extent that the LEDs had to be protected from being touched in order to avoid damage to the LEDs or to comply with appropriate protective regulations. The corresponding LED boards were therefore usually installed in the luminaire in such a way that it was not even possible for the end user to replace them, while this is no longer a problem in the solution according to the invention.
    5 shows a circuit diagram of an electrical circuit arrangement which can be part of a lamp 27 according to a fourth exemplary embodiment according to the invention.
    The lamp 27 here has main lamps 28 and emergency lamps 29, both of which consist of LEDs in this embodiment. Furthermore, the lamp 27 has a control unit 35, an accumulator 30, a solar cell module 31, a rectifier 34 and a sensor unit 33. The control unit 35 is in particular an expanded operating unit that has expanded functions. The lamp 27 is operated via an AC voltage source 32 as the primary energy supply.
    The rectifier 34 is designed to convert the AC voltage into DC voltage for the LEDs of the main and emergency lighting means 28 and 29 and the accumulator 30.
    It is assumed that the solar cell module 31 is in turn designed to absorb light energy from the lamp's own lamps 28 and / or 29, in particular the main lamp 28, in accordance with the model of the previous exemplary embodiments. The solar cell energy is then used to supply the battery 30 in particular with energy.
    The control unit 35 is designed to regularly query the state of charge of the battery 30. If the state of charge is insufficient, the control unit 35 uses the switch S1 to ensure that the accumulator 30 is charged. For this purpose, the solar cell energy is preferably used if the solar cell modules 31 have a sufficiently high voltage.
    In the event of a possible failure of the primary energy supply, the sensor unit 33 reports this state to the control unit 35. The control unit 35 then closes the switch S2 and thus closes the circuit between the rechargeable battery 30 and the emergency lighting means 29. The rechargeable battery then forms, in particular, a secondary energy source for the emergency lamp 29.
    6 shows a circuit diagram of a second electrical circuit arrangement which is part of a lamp 27 'according to a fifth exemplary embodiment according to the invention.
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    Patent Office The luminaire 27 'differs from the luminaire 27 from FIG. 5 in that two additional extended operating units are provided. These are a communication unit 40 within the control unit 35 'for communication with an external remote control and a lamp 39 for accent lighting. The remaining properties are the same as those of the lamp 27.
    In this exemplary embodiment, there are various possibilities for distributing the solar cell energy of the solar cell module 31 over the individual components of the lamp 27 ′. In particular, the solar cell energy is used here to supply the communication unit 40 and the accent lighting means 39 with energy. The control unit 35 'is then designed to decide autonomously and / or by means of a manual control command via the communication unit 40 how the solar cell energy is to be distributed between the battery 30 and the extended operating units 39 and 40. The control unit 35 'controls the supply of the accent lighting means 39 via the switch S3.
    Optionally, the control units 35 from FIGS. 5 and 35 'from FIG. 6 can also be supplied with the solar cell energy. In this case, the supply is preferably carried out indirectly via the accumulator 30.
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    权利要求:
    Claims (12)
    [1]
    Expectations
    1. lamp (1.9 ″, 20, 27, 27 ″), having
    - Illuminants (3, 11, 22, 24, 25, 28, 29, 39) and
    - At least one solar cell module (6, 16, 23, 31), characterized in that the solar cell module (6, 16, 23, 31) is designed to transmit light or light energy from the illuminants (3, 11, 22, 24, 25, 28, 29, 39) at least partially record or convert.
    [2]
    2. Luminaire according to claim 1, characterized in that the converted light energy or solar cell energy of the lamp or a lamp component (3, 11, 22, 24, 25, 28, 29, 30, 35, 35 ', 39, 40) as electrical Energy is made available.
    [3]
    3. Luminaire according to claim 2, characterized in that the solar cell energy of the solar cell module (6, 16, 23, 31) is at least partially used to illuminate (3, 11, 22, 24, 25, 28, 29, 39 ) to supply with energy.
    [4]
    4. Luminaire according to claim 2 or 3, characterized in that the luminaire has at least one further illuminant (24) which is operated essentially only with the solar cell energy.
    [5]
    5. Luminaire according to claim 4, characterized in that the further illuminant (24) is an LED module (22), which preferably forms a structural unit with the solar cell module (23).
    [6]
    6. Luminaire according to claim 5, characterized in that the LED module (22) forms a separable and / or interchangeable part of the luminaire.
    [7]
    7. Luminaire according to claim 5 or 6, characterized in that the LED module (22) forms a substantially primary light-emitting surface of the luminaire.
    [8]
    8. Luminaire according to one of claims 2 to 7, characterized in that the luminaire has an energy store, preferably an accumulator (30), which is designed to store the solar cell energy.
    [9]
    9. Luminaire according to claim 8, characterized in that the luminaire has at least one emergency illuminant (29) and that this is designed to use the accumulator (30) as a secondary energy supply in the event of a failure of a primary energy supply (32) of the luminaire.
    [10]
    10. Luminaire according to one of claims 2 to 9, characterized in that the luminaire has at least one extended operating unit (35, 35 ', 39, 40) with extended functions, in particular a control unit (35, 35'), a lamp for accent lighting (39) and / or a communication unit (40).
    [11]
    11. Luminaire according to claim 10, characterized in
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    Patent office that the solar cell energy is used to supply the extended operating units (35, 35 ', 39, 40) with energy, in particular the illuminant for accent lighting (39) and the communication unit (40).
    [12]
    12. Luminaire according to claim 11, characterized in that the control unit (35 '' is designed to decide how the solar cell energy is distributed between the battery (30) and the extended operating units (35 '', 39, 40).
    5 sheets of drawings
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    11 '
    Fi . t
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    法律状态:
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