• 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 present invention relates to an operating device in which dimming information can be supplied to a secondary side in terms of galvanic isolation 4, wherein the operating device 1 is improved in terms of cost. In particular, only a first module 2 (a master module) is supplied with the dimming information, either externally by means of a sensor or from a primary side via the electrical isolation 4 by means of a wireless channel 52. The first module 2 is further adapted to apply the dimming information at least a second module 3 (at least one slave module) to pass. This can be done either by a local bus 6, a wireless connection 9, a supply line, or via lines on a light module 12.
    公开号:AT15438U1
    申请号:TGM9021/2013U
    申请日:2013-12-20
    公开日:2017-09-15
    发明作者:Maier Simon
    申请人:Tridonic Gmbh & Co Kg；
    IPC主号:
    专利说明:

    description
    MASTER-SLAVE SYSTEM ON THE SECONDARY SIDE OF A GALVANIC INSULATION BARRIER (SELV-BARRIERE) OF AN OPERATING DEVICE
    The present invention relates to an operating device for lighting means and a method for operating lamps, each having a master-slave system on the secondary side of a galvanic isolation or isolation barrier ("SELV barrier", wherein SELV stands for "Separated Extra Low Voltage ") to dim the bulbs. The master-slave system consists in particular of a first module and at least one second module.
    Control gear with SELV barriers (eg a SELV converter) are known from the prior art, which have on the secondary side of the SELV barrier several parallel converter stages, for example one or more buck converter, the dimming of each associated illuminant, in particular an LED route, cause. In these known operating devices, dimming information for dimming the lighting means, for example the dimming stage to be set, is transmitted from the primary side via the SELV barrier to each of the several converter stages on the secondary side. This is realized, for example, via a DALI communication link. Also known are optocouplers or transformers to convey the dimming information via the SELV barrier.
    Figure 1 shows an example of a control device 100 of the prior art. The operating device 100 has on the primary side (with respect to a SELV barrier 104) a power factor correction circuit 105, an ASIC 107 and an interface 106 for transmitting dimming information 103 via the SELV barrier 104. The dimming information 103 is thereby transmitted in parallel to interfaces of a plurality of converter stages 102. The converter stages 102 each use an ASIC 108 to control an associated lighting means 110 based on the received dimming information 103. The interface 106 is realized as explained above by means of DALI interfaces, optocouplers or transformers.
    However, the communication of dimming information or signals shown in FIG. 1, which exceeds the SELV barrier, is negative with regard to the manufacturing costs of the operating devices. In particular, optocouplers or transformers place high demands on components for bridging the SELV barrier, which leads to high costs in the production of the operating devices.
    The present invention has the object to improve the known prior art. In particular, the object of the present invention is to enable dimming information from the primary side to the secondary side of a galvanic isolation in a lighting device, whereby costly components such as optical couplers are to be avoided.
    The object of the invention is solved by the features of the independent claims. The dependent claims further advantageously form the core idea of the invention.
    In particular, the present invention relates to an operating device for at least one light source, in particular converter for at least one LED track, which includes a primary-side circuit and a secondary-side circuit, which are separated by a galvanic separation from each other, the bulbs on the secondary side of the galvanic isolation can be supplied and the primary side is adapted for connection to a power supply, in particular a mains voltage, wherein the secondary-side circuit comprises a first module and at least a second module for dimming a respective associated light source, wherein the primary-side circuit and the first module have interfaces to Establishing a unidirectional or bidirectional wireless channel, wherein the first module is configured to receive dimming information over the wireless channel and to pass the received dimming information to the at least one second module s.
    Since the dimming information is transmitted through the wireless channel via the galvanic isolation (i.e., the SELV barrier), no costly optocouplers, transformers, etc. are required. The first module is preferably a master module and the one or more second module is preferably a slave module. All modules are preferably converter stages. The at least one second module can be implemented more easily than a conventional converter stage, since this second module does not have to receive the dimming information from the primary side of the SELV barrier. Overall, therefore, fewer components are required to transmit the dimming information via the SELV barrier to the secondary side. Therefore, the operating device of the present invention can be produced more cheaply.
    Between the first module and the at least one second module may be arranged a local bus for communicating the first module with the at least one second module.
    The local bus may be formed on a printed circuit board of the operating device. Via the local bus, the dimming information can be forwarded from the first module to the at least one second module. A local bus is easy and inexpensive to install in the operating device.
    Preferably, the first module is adapted to apply the bus with the dimming information.
    By loading the bus with the dimming information, the dimming information can be transmitted quickly to a plurality of second modules. The second modules can detect the dimming information by means of simpler circuits than if it had to be received by the primary side of the SELV barrier.
    A wireless connection for communicating the first module with the at least one second module can also be set up between the first module and the at least one second module.
    The wireless connection between the first module and the at least one second module makes it possible to transmit the dimming information easily and inexpensively. To set up the wireless connection, the modules can be provided with antennas. Wireless communication antennas, especially antennas for radio communication, are small and inexpensive and therefore help to reduce the cost and dimensions of the operating equipment. Preferably, the antennas are formed in printed circuit boards of the circuits of the modules.
    The bus or the wireless connection may be designed for unidirectional communication from the first module to the at least one second module.
    Since in this case the at least one second module does not have to send any information, but only has to receive the dimming information via the bus or the wireless connection, the at least one second module can be realized more easily than converter stages from the prior art. It can be made in particular smaller and cheaper.
    The bus or the wireless connection can also be designed for bidirectional communication between the first module and the at least one second module.
    By the bidirectional communication, it is the at least one second module possible to return information to the first module.
    Preferably, the first module and the at least one second module are adapted to exchange the dimming information and / or at least one operating parameter.
    The at least one second module can, for example, transmit operating parameters to the first module. The operating parameters can then be sent back, for example, via the wireless channel to the primary side of the operating device and can be used there as a control value for the regulation of the dimming information. That is, the dimming information can be adjusted and retransmitted based on the operating parameters. As an operating parameter, for example, a current through a lighting means, a voltage at a lighting means, a temperature, a luminous intensity, a resistance value, etc. can be recycled. As a result, a more accurate adjustment of a dimming stage of the lighting means can be achieved by the transmitted dimming information.
    The first module and the at least one second module may also be configured to communicate under performance conditions.
    Preferably, a power-based communication via a switching information on a supply voltage of the first module and the at least one second module.
    The supply voltage is preferably a DC voltage. The switching information can be, for example, an alternating voltage superimposed on the supply voltage. For example, an AC / Powerline concept can be used. The performance-based communication via lines of the supply voltage of the modules is a cost-effective alternative, since neither a wireless connection nor a bus must connect the modules. A supply line is already provided anyway and therefore saves additional costs.
    Preferably, the first module and the at least one second module are converter stages.
    In particular, the converter stages buck converters, wherein the first module acts as a master converter and the at least one second module as a slave converter.
    Preferably, the wireless channel is a radio channel established by radio interfaces.
    A radio channel is easy to implement by radio interfaces, such as antennas, which can be installed small and inexpensive.
    Preferably, the radio channel is located within a preferably metallic housing of the operating device.
    Since the radio channel is disposed within the preferably metallic housing, a purely internal communication of the operating device takes place via the radio channel. Since the housing is preferably made of metal, no interference can be caused to the outside. The internal communication is reliable and requires only low radio power due to the routes to be bridged (preferably, a range of radio power of 1 to 100 mW, more preferably a range of 1 to 10 mW is provided).
    The present invention also relates to an operating device for at least one light source, in particular converter for at least one LED track, which comprises a primary-side circuit and a secondary-side circuit which are separated by a galvanic isolation, wherein the bulbs on the secondary side respect. The galvanic Disconnect can be supplied and the primary side for connection to a power supply, in particular a mains voltage is set up, wherein the secondary side circuit comprises a first module and at least a second module for dimming a respective associated light means, wherein the first module comprises at least one sensor and is designed to determine a dimming information based on detected sensor information and to pass on the determined dimming information to the at least one second module.
    This operating device provides an even more efficient solution in terms of cost. A sensor is inexpensive to manufacture and can be easily installed. In addition, there is no need to communicate via the SELV barrier. This can save additional components and thus reduce costs.
    Preferably, the at least one sensor is a daylight sensor, presence sensor or infrared sensor.
    The first module may determine the dimming information based on detected daylight and set, for example, a higher dimming level with less detected daylight and a lower dimming level with more detected daylight. A presence sensor can be used so that the first module can suddenly increase the dimming level if a presence of, for example, a person or a vehicle is detected. Finally, the first module can be controlled with an infrared sensor via a remote control.
    Preferably, the first module and the at least one second module in a light-emitting module, preferably an LED module, are integrated, which comprises the light-emitting means, preferably LED strips.
    Characterized in that the modules are integrated in the light module, they can be formed for example in the board, circuit board or PCB of the light module. This is space saving and inexpensive.
    Preferably, the first module and the at least one second module are adapted to communicate via at least one thermal management or resistance readout line of the lighting module.
    Several modules can be wired together in series or in parallel. All second modules can be dimmed to a same dimming value, namely the dimming value of the first module. The second modules can also be set in accordance with stored tables or predetermined scaling factors in each case to a dimming value deviating from the dimming value of the first module but predetermined. The wiring and installation effort is minimal. As a result, the operating device can be manufactured easily and inexpensively.
    The present invention also relates to an LED lamp, comprising an LED Stre-cke, which is supplied starting from the secondary side of a control gear as described above.
    The present invention also relates to a method for operating lamps, in particular an LED track, the method comprising: providing an electrical supply for the lamps by means of a primary-side circuit and a secondary-side circuit, which are separated by a galvanic isolation Adjusting a dimming stage of the lighting means in accordance with dimming information, wherein the secondary-side circuit comprises a first module and at least one second module for dimming a respectively assigned lighting means, and wherein the primary-side circuit receives dimming information via a unidirectional or bidirectional wireless channel and to the at least one second module passes.
    The present invention also relates to a method for operating lamps, in particular an LED track, the method comprising: providing an electrical supply for the lamps by means of a primary-side circuit and a secondary-side circuit, which are separated by a galvanic isolation Adjusting a dimming stage of the lighting means in accordance with dimming information, wherein the secondary-side circuit comprises a first module and at least one second module for dimming a respective associated lighting means, and wherein the first module comprises at least one sensor and determines dimming information based on detected sensor information and the determined Dimming information to the at least one second module weiterergibt.
    The LED lamp and the two methods for operating bulbs achieve the same advantages described above for the operating device.
    The present invention will now be described in more detail with reference to the attached figures.
    FIG. 1 shows an operating device according to the prior art.
    FIG. 2 shows an operating device according to an exemplary embodiment of the present invention
    Invention.
    FIG. 3 shows an operating device according to an embodiment of the present invention
    Invention.
    FIG. 4 shows an operating device according to an embodiment of the present invention
    Invention.
    2 shows an inventive operating device 1 for at least one light source 10. The operating device 1 may be in particular an LED converter, which operates at least one LED track as the light-emitting means 10. Each LED track can have one or more LEDs that emit light of different or the same wavelength. For example, the LEDs of an LED track may be combined with red, green, and blue emitting LEDs to produce a white LED strip.
    The operating device 1 has a primary side and a secondary side, which are separated by a galvanic isolation 4. On the primary side, at least one primary-side circuit is preferably provided. In particular, at least one power factor correction circuit (PFC) 5 which is connected to a power supply, in particular a mains voltage, and supplies the secondary side of the operating device 1 is located on the primary side.
    At least one intelligent circuit is preferably provided on the primary side, e.g. an ASIC, a microcontroller or an integrated circuit.
    At least one such intelligent circuit 8 is preferably also located on the secondary side. Furthermore, a plurality of modules 2 and 3 are arranged on the secondary side. Preferably, a secondary-side circuit 2, 3 comprises at least a first module 2 and at least a second module 3. FIG. 2 shows three second modules 3 as an example. All modules 2, 3 can be converter stages, each associated with a lighting means 10, which they can dim.
    In the first exemplary embodiment, which is shown in FIG. 2, the primary-side circuit 5, which preferably comprises at least one PFC, has an interface 50. The first module 2 has an interface 20. The interfaces serve to establish a unidirectional or bidirectional wireless channel 52 via the electrical isolation 4. The interfaces 20, 50 may be the same or different antennas that produce a radio link via the galvanic isolation 4 , Via the wireless channel 52, the primary-side circuit 5 can communicate with the first module 2 on the secondary side. In particular, the first module 2 is configured to receive dimming information over the wireless channel 52. In the first exemplary embodiment, the dimming information is only supplied to the first module 2, that is to say only one of the converter stages arranged on the secondary side. Since the transmission of the dimming information via the galvanic isolation 4 is preferably effected by means of antennas and by radio, no optocoupler or transformer is necessary for supplying the dimming information to the secondary side. This allows a more cost effective solution can be achieved. In addition, a parallel transmission to the secondary-side modules 2, 3 is avoided. As a result, components can be saved. Furthermore, the second modules 3 can be constructed more simply since they do not require an interface corresponding to the interface 20.
    In the embodiment of FIG. 2, the first module 2 is connected to the at least one second module 3 via a local bus 6. The local bus 6 is arranged between the plurality of secondary-side modules 2, 3 such that the plurality of secondary-side modules can communicate with one another. The local bus 6 can be configured either unidirectionally or bidirectionally. If the local bus 6 is designed to be bidirectional, then the plurality of secondary-side modules 2, 3 can exchange dimming information with each other, but can also exchange operating parameters, for example, for returning via the wireless channel 52. If the local bus 6 is of unidirectional design, information can preferably only be transmitted from the first module 2 to the second modules 3. By way of example, the first module 2 can transmit the dimming information to the second modules 3 via the bus 6, the bus 6 preferably being supplied with a signal in accordance with the dimming information. The plurality of second modules 3 need only receive in this embodiment, or detect the admission on the bus 6, but do not send information. Therefore, the second modules 3 can be realized more easily and inexpensively.
    The first module 2 is therefore a master module 2, which receives the dimming information from the primary side as the only module of the secondary side. The second modules 3 are slave modules which receive the required dimming information from the master module. The modules, which are preferably converter stages, thus represent a master-slave system.
    FIG. 3 shows a second embodiment of the present invention. In this case, the secondary-side local bus 6, which connects the first module 2 to the at least one second module 3, is replaced by a wireless connection 9 for communication among the plurality of secondary-side modules 2, 3. The wireless connection 9 can, as shown in FIG. 3, be set up by a plurality of antennas, each module 2, 3 having an antenna. The wireless connection 9 can therefore be a radio connection. The modules 2, 3 may also have an otherwise designed wireless interfaces and communicate, for example via WLAN, Bluetooth or a similar wireless network. Again, it is possible to establish the communication via the wireless connection 9 bidirectionally or only directionally from the first module 2 to the second module 3.
    The antenna 20 of the first module 2 can be designed both for the establishment of the radio channel 52 via the galvanic isolation 4 and be designed to set up the wireless connection 9. However, it is also possible, as shown in FIG. 3, to provide a separate antenna for the establishment of the wireless connection 9 on the first module 2. It is also possible that a plurality of second modules 3 are wired together but have a common antenna to establish the wireless connection 9 to the first module 2.
    In an alternative embodiment of the present invention, the modules 2, 3 communicate on the secondary side in a performance-related manner, an example of this being switching information (for example AC / Powerline) to a DC supply voltage of the modules 2, 3. Thereby, a separate communication connection can be omitted and only the common power supply line that is present anyway is used to transmit the dimming information within the master-slave subsystem.
    FIG. 4 shows a third embodiment of the present invention. The third embodiment is more efficient in terms of cost than the embodiments described above. In particular, the lighting means 10 and the modules 2, 3 are integrated on a lighting module 12, preferably an LED module. The modules 2, 3 may be formed on the printed circuit board or the PCB or a semiconductor material of the lighting module 12. The first module 2 is designed as a sensor module, that is, it comprises at least one sensor 11. The at least one sensor 11 may be a daylight sensor, a presence sensor or an infrared sensor. The sensor 11 is configured to receive sensor information. The sensor information is, for example, information regarding the current daylight, information about persons or vehicles in the vicinity of the sensor, or an infrared signal, for example from a remote control.
    The first module 2 is designed in this embodiment of the invention to read out the detected sensor information of the sensor 11 and to determine therefrom dimming information. The determination may be performed autonomously or with the aid of the intelligent circuit 8, which may be an ASIC, a microcontroller or an integrated circuit. In order to obtain the dimming information, in this embodiment of the invention, the first module 2 does not have to communicate via the galvanic isolation 4, but acquires the dimming information by external signals.
    In this embodiment, in which the modules 2, 3 are integrated into the lighting module 12, the communication can be carried out via connection lines and / or thermal management lines or resistance readout lines on the circuit board of the lighting module 12. On the circuit board several modules 2, 3 can be wired in series or in parallel, for which only minimal wiring and installation effort is necessary. Again, the plurality of modules 2, 3 may be configured as a master-slave solution. For example, the one or more second modules 3 may be designed such that they are automatically dimmed to the same dimming value which is supplied to the first module 2 via the sensor information 11. The solution of the third embodiment of the invention is particularly inexpensive and space-saving.
    Overall, the present invention that the secondary side of an operating device 1 is supplied with respect to a galvanic isolation 4, dimming information, the operating device 1 is improved in terms of cost. In particular, only a first module 2 (a master module) is supplied with the dimming information, either externally or via the galvanic isolation 4 by means of a wireless channel 52. The first module 2 is further designed to provide the dimming information or other operating parameters such as a nominal voltage or a target current for the operation of lamps 10 to at least a second module 3 (at least one slave module) pass. This can be done either by a local bus 6, a wireless connection 9, a supply line, or via lines on a light module 12. The present invention reduces the number of necessary communication connections via the galvanic isolation 4. Furthermore, no optocouplers or transformers are necessary. Therefore, the operating device 1 according to the embodiments of the present invention can be made less expensive than a prior art operating device 1.
    权利要求:
    Claims (18)
    [1]
    claims
    1. Operating device (1) for at least one lamp (10), in particular converter for at least one LED track, wherein the operating device (1) comprises a primary side having a primary-side circuit (5) and a secondary side having a secondary-side circuit (2, 3 ), wherein the primary side and the secondary side are separated by a galvanic isolation (4); wherein the lighting means (10) on the secondary side with respect. The galvanic isolation (4) can be supplied and the primary side is adapted for connection to a power supply, in particular a mains voltage, and for supplying the secondary side; wherein the secondary-side circuit (2, 3) comprises a first module (2) and at least one second module (3) for dimming a respective associated lighting means (10); wherein the primary-side circuit (5) and the first module (2) have interfaces (50, 20) for establishing a unidirectional or bidirectional wireless channel (52); and wherein the first module (2) is adapted to receive dimming information via the wireless channel (52); characterized in that the first module (2) is adapted to pass the received dimming information to the at least one second module (3).
    [2]
    Second operating device (1) according to claim 1, wherein between the first module (2) and the at least one second module (3) has a local bus (6) for communicating the first module (2) with the at least one second module (3). is arranged.
    [3]
    3. operating device (1) according to claim 2, wherein the first module (2) is adapted to act on the bus (6) with the dimming information.
    [4]
    4. operating device (1) according to claim 1, wherein between the first module (2) and the at least one second module (3) a wireless connection (9) for communicating the first module (2) with the at least one second module (3) is set up.
    [5]
    5. operating device (1) according to claim 2 and 4, wherein the bus (6) or the wireless connection (9) for unidirectional communication from the first module (2) to the at least one second module (3) is designed.
    [6]
    6. operating device (1) according to claim 2 and 4, wherein the bus (6) or the wireless connection (9) for bidirectional communication between the first module (2) and the at least one second module (3) is designed.
    [7]
    7. Operating device (1) according to claim 6, wherein the first module (2) and the at least one second module (3) are adapted to exchange the dimming information and / or at least one operating parameter.
    [8]
    8. operating device (1) according to claim 1, wherein the first module (2) and the at least one second module (3) are adapted to communicate under performance conditions.
    [9]
    9. operating device (1) according to claim 8, wherein the power-bound communication via a switching information on a supply voltage of the first module (2) and the at least one second module (3).
    [10]
    10. Operating device (1) according to one of claims 1 to 9, wherein the first module (2) and the at least one second module (3) are converter stages.
    [11]
    11. operating device (1) according to one of claims 1 to 10, wherein the wireless channel (52) is a radio channel, which is arranged by radio interfaces (20, 50).
    [12]
    12. operating device (1) according to claim 11, wherein the radio channel (52) within a preferably metallic housing (6) of the operating device (1).
    [13]
    13. operating device (1) for at least one lamp (10), in particular converter for at least one LED track, wherein the operating device comprises a primary side having a primary-side circuit (5) and a secondary side having a secondary-side circuit (2, 3), wherein the primary side and the secondary side are separated by a galvanic isolation (4); wherein the lighting means (10) on the secondary side with respect. The galvanic isolation (4) can be supplied and the primary side is adapted for connection to a power supply, in particular a mains voltage, and for supplying the secondary side; and wherein the secondary-side circuit (2, 3) comprises a first module (2) and at least one second module (3) for dimming a respective associated lighting means (10); characterized in that the first module (2) comprises at least one sensor (11) and is adapted to determine a dimming information based on detected sensor information and to pass on the determined dimming information to the at least one second module (3).
    [14]
    14. operating device (1) according to claim 13, wherein the at least one sensor (11) is a daylight sensor, presence sensor or infrared sensor.
    [15]
    15. operating device (1) according to claim 13 or 14, wherein the first module (2) and the at least one second module (3) in a light module (12), preferably an LED module, are integrated, which the lighting means (10) , preferably LED circuits.
    [16]
    16. operating device (1) according to claim 15, wherein the first module (2) and the at least one second module (3) is adapted to communicate via at least one thermal management or resistance readout line (13) of the lighting module (12).
    [17]
    17. A method for operating (1) lighting means (10), in particular an LED track, the method comprising: - providing an electrical supply for the lighting means (10) by means of a primary-side circuit (5) and a secondary-side circuit (2, 3) of an operating device (1), wherein the operating device (1) comprises a primary side having the primary-side circuit (5) and a secondary side having the secondary side circuit (2, 3) and the primary side and the secondary side by a galvanic separation (4) from each other are separated; - Setting a dimming stage of the lighting means (10) according to a dimming information; wherein the secondary-side circuit (2, 3) comprises a first module (2) and at least one second module (3) for dimming a respective associated lighting means (10); wherein the primary-side circuit (5) and the first module (2) have interfaces (50, 20) for establishing a unidirectional or bidirectional wireless channel (52); and wherein the first module (2) receives dimming information via the unidirectional or bidirectional wireless channel (52); characterized in that the first module (2) passes on the received dimming information to the at least one second module (3).
    [18]
    18. Method for operating (1) lighting means (10), in particular an LED track, the method comprising: - providing an electrical supply for the lighting means (10) by means of a primary-side circuit (5) and a secondary-side circuit (2, 3) of an operating device (1), wherein the operating device (1) comprises a primary side having the primary-side circuit (5) and a secondary side having the secondary-side circuit (2, 3) and the primary side and the secondary side by a galvanic isolation (4) are separated from each other; - Setting a dimming stage of the lighting means (10) according to a dimming information; wherein the secondary-side circuit (2, 3) comprises a first module (2) and at least one second module (3) for dimming a respective associated lighting means (10); characterized in that the first module (2) comprises at least one sensor (11) and determines a dimming information based on detected sensor information and passes the specific dimming information to the at least one second module (3).
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    同族专利:
    公开号 | 公开日
    EP2936935A2|2015-10-28|
    CN104871643B|2017-11-28|
    EP2936935B1|2017-10-04|
    DE102012224146A1|2014-06-26|
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    US20150334793A1|2015-11-19|
    CN104871643A|2015-08-26|
    WO2014094015A8|2015-08-06|
    WO2014094015A3|2014-12-18|
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    法律状态:
    2020-08-15| MM01| Lapse because of not paying annual fees|Effective date: 20191231 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102012224146.9A|DE102012224146A1|2012-12-21|2012-12-21|Master-slave system on the secondary side of a galvanic isolation barrierof a control gear|
    PCT/AT2013/000211|WO2014094015A2|2012-12-21|2013-12-20|Master-slave system on the secondary side of a galvanic isolation barrierof an operating unit|
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