EP3886538A1 - Module de moyens d'éclairage, système de luminaire linéaire et ensemble moyens d'éclairage - Google Patents

Module de moyens d'éclairage, système de luminaire linéaire et ensemble moyens d'éclairage Download PDF

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Publication number
EP3886538A1
EP3886538A1 EP21164320.0A EP21164320A EP3886538A1 EP 3886538 A1 EP3886538 A1 EP 3886538A1 EP 21164320 A EP21164320 A EP 21164320A EP 3886538 A1 EP3886538 A1 EP 3886538A1
Authority
EP
European Patent Office
Prior art keywords
line
carrier plate
return line
switch device
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21164320.0A
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German (de)
English (en)
Inventor
Andreas Marti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Regent Beleuchtungskoerper AG
Original Assignee
Regent Beleuchtungskoerper AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Regent Beleuchtungskoerper AG filed Critical Regent Beleuchtungskoerper AG
Publication of EP3886538A1 publication Critical patent/EP3886538A1/fr
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix

Definitions

  • the invention relates to a lighting module according to the preamble of independent claim 1 and a linear lighting system with at least one such lighting module and a lighting kit with several such lighting modules.
  • linear lights comprise a straight or also curved, mostly elongated or longitudinal base profile or housing, which is fastened directly or indirectly to the object or the wall or the ceiling.
  • linear lights often have a light strip, along which a longitudinal lighting means such as a fluorescent tube or a series of light emitting diodes or a plurality of lighting means and associated operating devices are attached.
  • LED light sources When light-emitting diodes are used as light sources (LED light sources), a dot-shaped line or a gridded area is typically generated on an illuminated area without additional optics or lenses. For this reason, such linear lights are usually equipped with optics that cover the lighting means in such a way that the light generated is scattered or has preferred radiation characteristics. In this way, a light distribution curve (LVK) can be established that is adapted to the intended use of the linear luminaire. For example, optics can be used to determine the color, scatter and / or direction of the emitted light. Such optics are also used to terminate the linear lights.
  • LLK light distribution curve
  • carrier plates are usually equipped with the light-emitting diodes.
  • the carrier plate is typically equipped with connections for supplying energy to the light-emitting diodes.
  • connections for supplying energy to the light-emitting diodes.
  • plugs for example, it is known to equip the support plate at its longitudinal ends with plugs as coupling structures, via which on the one hand the support plate can be connected to a power supply or an operating device and, on the other hand, several support plates can be combined to form an extended LED lamp.
  • the carrier plates are advantageously equipped with forward and return lines extending between the connections, the light-emitting diodes being connected to the forward lines. In this way, light centers for linear lights of different lengths can be efficiently assembled.
  • the individual, pluggable, equipped carrier plates thus form a lamp module.
  • illuminant modules of the type described above allow an efficient assembly of illuminants of different lengths or sizes, which can be particularly advantageous in the case of linear lights, care must be taken that the number of illuminant modules per operating device is not too high.
  • the number of lamp modules per operating device is limited in each operating device-specifically. This limitation must be taken into account by the lighting designer or the assembly staff when assembling the luminaire.
  • the forward and return lines of the last lamp module of a series of lamp modules connected to the operating device must be connected to one another so that a current can flow from the operating device through all the lamp modules and back again.
  • the invention is a lamp module which comprises a carrier plate, a plurality of light-emitting diodes, a first coupling structure, an outgoing line and a return line.
  • the carrier plate is equipped with the light emitting diodes.
  • the first coupling structure is arranged on the carrier plate.
  • the first coupling structure is designed to connect the carrier plate to an adjacent lamp module or an operating device.
  • the carrier plate is with the Outgoing line equipped so that the outgoing line runs away from the first coupling structure in a predefined current flow direction.
  • the light-emitting diodes are connected to the forward line.
  • the carrier plate is equipped with the return line so that the return line runs in the direction of current flow towards the first coupling structure.
  • the term “direction of current flow” relates to the intended supply of the illuminant module or a light strip or other illuminant composed of one or more illuminant modules.
  • an operating device is typically connected directly or indirectly to the lamp module for power supply, so that the operating device generates a current flow through the feed line and to the light-emitting diodes and then back to the operating device via the return line.
  • the feed line is thus arranged in such a way that, when the lamp module is used as intended, current flows from the first coupling structure through the feed line and away from the first coupling structure.
  • the return line is thus arranged in such a way that, when the lamp module is used as intended, current flows through the return line to the first coupling structure.
  • the outward and return lines are typically electrically connected to the first coupling structure.
  • the carrier plate of the lamp module according to the invention is equipped with a switch device and a current flow detection device.
  • the switch device of the carrier plate is connected to the outgoing line and to the return line.
  • the lamp module is designed on the one hand in such a way that the switch device is opened when the current flow detection device detects a current flow, so that the forward line and the return line are not electrically connected to one another via the switch device.
  • the lamp module is designed with respect to the switch device in such a way that the switch device is closed when the current flow detection device does not detect any current flow, so that the forward line and the return line are electrically connected to one another via the switch device.
  • the current flow can be detected passively or actively.
  • the current flow can be detected passively, for example, by passing it through an element or component or from this element, depending on the state or component is interrupted.
  • the flow of current may or may not reach the switch device depending on the state.
  • the current flow can be actively detected, for example by measuring it.
  • the carrier plate can also be referred to as a circuit board.
  • the carrier plate or the circuit board can be a printed circuit board (PCB), which is a carrier for electronic components.
  • PCB printed circuit board
  • printed circuit boards are used for mechanical fastening and electrical connection of electronic components.
  • printed circuit boards or printed circuit boards consist of an electrically insulating material with conductive connections (conductor tracks) adhering to them.
  • Fiber-reinforced plastic is a common insulating material.
  • the conductor tracks are mostly etched from a thin layer of copper.
  • the components are usually soldered on soldering surfaces (pads) or in soldering eyes. Larger components can also be attached to the circuit board with cable ties, glue or screw connections.
  • the carrier plate is equipped with components fastened on the circuit board in this way.
  • An element can be arranged on the carrier plate in that it is likewise fastened in this way on the circuit board, in that it is connected to the carrier plate in some other way or in that it is formed on the carrier
  • the outward and return lines of the carrier plate can be designed as conductor tracks in the above sense.
  • the first coupling structure as well as the second coupling structure described below can be arranged on the carrier plate by being mounted thereon as components.
  • the carrier plate can be equipped with corresponding coupling elements such as a plug or socket.
  • they can have a structure formed in or on the carrier plate, such as a molding of the carrier plate.
  • the first and second coupling structures are preferably corresponding electromechanical connecting parts.
  • the illuminant module is equipped with the current flow detection device enables the illuminant module to automatically determine whether it is coupled to a further illuminant module or whether it is the last illuminant module in a row of illuminant modules connected in series to form a light strip, for example. If this is the case, the switch device is automatically closed, so that the forward line with the return line connected is. As a result, the circuit from the operating device to the light strip and back is closed and the operating device can operate the light-emitting diodes or supply them with energy.
  • the illuminant module according to the invention enables an efficient and error-resistant construction or assembly of a linear light or light strip made up of a plurality of such illuminant modules.
  • the assembled lamp modules can virtually configure or calibrate themselves.
  • a second coupling structure is preferably arranged on the carrier plate, which is designed to connect the carrier plate to an adjacent illuminant module, the forward line in the direction of current flow from the first coupling structure to the second coupling structure and the return line in the direction of current flow from the second coupling structure to the first coupling structure get lost.
  • Such an illuminant module enables several illuminant modules to be coupled together or connected to one another in an efficient manner to form a light strip or another illuminant.
  • the first coupling structure of the first peripheral lamp module can be connected to the operating device and the switch device of the last opposite peripheral lamp module can be closed automatically.
  • the first and second coupling structures are provided in particular for electrical connection. At the same time, they can also be provided for mechanical connection.
  • the coupling structures can therefore be designed as electromechanical connecting parts, for example in the manner of a plug connection.
  • the current flow detection device can be implemented in different ways. It can detect or record the current flow directly or indirectly.
  • the current flow detection device comprises a current measuring device for active detection of the current flow, which is connected to the return line and designed for this purpose is to measure a current flow in the return line.
  • the lamp module is designed in such a way that the switch device is opened when the current flow measured by the current measuring device exceeds a current threshold value, so that the forward line and the return line are not electrically connected to one another via the switch device, and that the switch device is closed when the current flow measured by the Current flow measured by the current measuring device falls below the current threshold value, so that the forward line and the return line are electrically connected to one another via the switch device.
  • the current measuring device measures no current flow or an insufficient current flow in the return line, it is concluded from this that no further lamp module is connected downstream, and the switch device is closed. As a result, the forward line and the return line are connected or short-circuited on the lamp module.
  • the current measuring device can be provided for highly sensitive, almost lossless current measurement in the return line.
  • the current threshold value can be predefined to quasi zero.
  • the current measuring device of the carrier plate preferably comprises a current mirror circuit.
  • a current mirror circuit can represent an efficient configuration of a sufficiently sensitive and reliable current measuring device.
  • the current mirror circuit can comprise bipolar transistors.
  • the switch device of the carrier plate is preferably connected to the return line after the current measuring device in the direction of current flow. It can thus be ensured that the switch device can be switched or set efficiently, depending on whether a current can be measured in the return line or not.
  • the switch device of the carrier plate of the illuminant module is preferably connected to the outgoing line after the light-emitting diodes in the direction of current flow. Such an arrangement of the switch device enables current or an energy flow from the switch device to be conducted from the forward to the return line, depending on the given situation, without the operation of the light-emitting diodes on the lamp module itself being impaired.
  • the current flow detection device comprises a detection current line with a first line section and a second line section for passive detection of the current flow.
  • the first line section of the detection power line is connected to the second coupling structure and the switch device and the second line section of the detection power line is connected to the first coupling structure and the return line.
  • Such a configuration of the current flow detection device enables a current to be conducted from the return line via the first and second line sections to the switch device. For example, if the first coupling structure of the lamp module is connected to the second coupling structure of a further corresponding lamp module, current can be conducted from the return line of the further lamp module to the switch device of the lamp module.
  • the switch device can be opened by this current or this current signal, since in such a constellation the lamp module is not the last in the row of lamp modules of the associated light strip or of the associated lamp. If the two lamp modules are separated from one another, no such current flows and the switch device is closed, since in this constellation the lamp module is the last in the row of lamp modules of the associated light strip or of the associated lamp.
  • the carrier plate is preferably equipped with a detection current generating device which is designed to generate a detection current in the return line.
  • a detection current generating device which is designed to generate a detection current in the return line.
  • the second line section of the detection current line is preferably connected to the return line after the detection current generating device.
  • a generated detection current can thus efficiently overflow onto the second line section.
  • the detection current generating device of the carrier plate preferably comprises a resistor which is connected to the forward line and to the return line.
  • the resistor can in particular be a high-value resistor.
  • Such a resistance can ensure a linear behavior.
  • it enables a comparatively small detection current to be generated in the return line, which can be detected in a further lamp module connected upstream of the lamp module.
  • a detection current can be in the ⁇ A range, so that the load on the entire system can be neglected.
  • the resistance of the detection current generating device of the carrier plate is preferably connected to the forward line in the current flow direction upstream of the light emitting diodes. Additionally or alternatively, the resistance of the detection current generating device of the carrier plate is preferably connected to the return line in the current flow direction after the switch device. A resistor connected in this way enables the detection current to be generated efficiently close to an upstream lamp module, on which it can then be detected if necessary.
  • the carrier plate is equipped with a voltage measuring device and the voltage measuring device of the carrier plate is connected to the feed line and to the return line.
  • the lamp module is designed in such a way that the switch device is closed when a voltage measured by the voltage measuring device exceeds a voltage threshold value, so that the forward line and the return line are electrically connected to one another via the switch device are connected, and that the switch device is opened when the voltage measured by the voltage measuring device falls below the voltage threshold value, so that the forward line and the return line are not electrically connected to one another via the switch device.
  • This embodiment of the lamp module can be used to avoid problems in the design of the maximum length of a linear lamp made up of several lamp modules or the maximum size of a lamp or light strip made up of several lamp modules.
  • this maximum size is exceeded, undefined operating states of a lamp can occur, such as violating the permitted working range of an operating device due to an output voltage or output that is too high, so that the lamp can start to flicker or can no longer be switched on. It can also happen that in such a case the operating device can still operate the light or the light source for a short time without any visible faults and then fails later.
  • the switch device is closed when the voltage measured by the voltage measuring device exceeds the voltage threshold value, it is possible to prevent further lamp modules from being fed by the same operating device.
  • the operating voltage can be monitored at the input of the lamp module, which is connected to the operating device, and the switch device can close when the limit value adjusted to the operating device used is exceeded, so that further lamp modules connected to the lamp module are separated and only the first lamp module connected to the operating device is fed will.
  • the luminaire or the light source can thus be in an error state that can be clearly distinguished from the normal state in terms of appearance. After correcting the maximum length or size of the light source composed of the multiple light source modules, the normal state can be resumed.
  • the carrier plate is equipped with a voltage measuring device and an overload switch device, the voltage measuring device of the carrier plate being connected to the forward line and to the return line between the outgoing line and the return line, the overload switch device being connected to the carrier plate between the outgoing line and the return line the forward line and is connected to the return line.
  • the lamp module is designed in such a way that the circuit breaker device is closed when a voltage measured by the voltage measuring device exceeds a voltage threshold value, so that the forward line and the return line are electrically connected to one another via the circuit breaker device, and that the circuit breaker device is open when the voltage measured by the voltage measuring device measured voltage falls below the voltage threshold value, so that the forward line and the return line are not electrically connected to one another via the circuit breaker device.
  • the overload switch device as a further element in addition to the switch device enables only some of the light-emitting diodes to be fed with current and to light up accordingly.
  • the light-emitting diodes can be divided into several groups, with only one of the groups being supplied with current when the circuit breaker device is closed.
  • the luminosity of the light-emitting diodes can also be changed or flashing can be generated by means of a further element.
  • a specific signal can be generated by means of a voltage measuring device and a switch device, which makes it easy to recognize that an overload is present or that too large a number of lamp modules are connected to the operating device.
  • a signal or feedback can be generated during assembly that indicates an existing overload.
  • the voltage measuring device preferably comprises a DIAC semiconductor.
  • DIAC DIAC semiconductor
  • the acronym "DIAC” stands for a self-igniting and holding switching element and in particular a diode for alternating current or a “Diode for Alternating Current”.
  • the carrier plate preferably has a number of predetermined breaking points along which the carrier plate can be divided, so that carrier plate segments are present which are each equipped with a plurality of the light-emitting diodes.
  • the carrier plate is equipped with a number of segment switch devices. In each case one of the number of segment switch devices on the carrier plate is connected in the current flow direction before each of the number of predetermined breaking points to the forward line and in the current flow direction after this each of the number of predetermined breaking points is connected to the return line.
  • the lamp module is designed in such a way that the at least one segment switch device is open when the carrier plate is not divided along the at least one predetermined breaking point, so that the feed line and the return line are not electrically connected to one another via the segment switch device, and that the at least one segment switch device is closed is when the carrier plate is divided along the at least one predetermined breaking point, so that the forward line and the return line are electrically connected to one another via the segment switch device.
  • a total length of a lamp or a light strip can be adapted precisely and efficiently.
  • a lamp module enables the lamp or the light strip to be separated to a preferred length as a termination.
  • the segment switch device (s) it can be achieved in each case that the outgoing line is connected to the return line on the last remaining carrier plate segment and thus a closed circuit is present.
  • the implementation of a lighting means or a light strip is restricted with regard to a desired overall length or overall size in a building because the lighting means modules used have a fixed length.
  • the lengths and sizes of the illuminants can be precisely adapted to the prevailing conditions without having to implement illuminant modules of different lengths.
  • the carrier plate segments preferably have an end carrier plate segment at which the forward line merges into the return line in the current flow direction after the light-emitting diodes.
  • the lamp module with predetermined breaking points is advantageously equipped with a number of current flow detection devices corresponding to the number of predetermined breaking points.
  • these can each comprise a detection current line with a first line section and a second line section of the type described above.
  • the invention is a lamp module which comprises a carrier plate with a surface and a plurality of light-emitting diodes, the surface of the carrier plate being equipped with the light-emitting diodes, a first coupling structure being arranged on the carrier plate, the first coupling structure being designed to to connect the carrier plate to an adjacent lamp module or an operating device, the carrier plate is equipped with an outgoing line running away from the first coupling structure in a predefined current flow direction, to which the light-emitting diodes are connected, and the carrier plate is equipped with a return line running to the first coupling structure .
  • the carrier plate is equipped with a voltage measuring device, the voltage measuring device of the carrier plate is connected to the feed line and to the return line, and the lamp module is designed so that the switch device is closed when a voltage measured by the voltage measuring device exceeds a voltage threshold value, so that the Outgoing line and the return line are electrically connected to one another via the switch device, and that the switch device is open when the voltage measured by the voltage measuring device falls below the voltage threshold value, so that the forward line and the return line are not electrically connected to one another via the switch device.
  • the above-described effects and advantages of equipping with a voltage measuring device can be achieved without the lamp module having to have a current flow detection device.
  • Preferred embodiments of the lamp module according to the other aspect of the invention can have all of the features described above individually or in combination in addition to the voltage measuring device.
  • the invention is a linear illuminant kit with a plurality of illuminant modules as described above and at least one operating device.
  • the lamp modules can be matched to the specific operating device.
  • Such a linear lamp assembly kit enables an efficient construction or efficient assembly of a linear lamp.
  • the multiple illuminant modules advantageously include at least one illuminant module with a number of predetermined breaking points as described above.
  • the invention is a linear lighting system which comprises a plurality of lighting means modules of the type described above and at least one operating device.
  • a linear lighting system enables the above-described effects and advantages of the invention and its preferred exemplary embodiments to be realized efficiently.
  • the plurality of lamp modules advantageously includes at least one lamp module with a number of predetermined breaking points as described above.
  • Fig. 1 shows a linear lighting system from the prior art, which comprises several individual LED modules.
  • the LED modules each have at least two connections (+/- poles). With appropriate wiring or by means of plug connectors between the individual LED modules, these are assembled to form a line of light.
  • An operating device BG serves as the energy supply. This supplies a specified number of serially connected LED modules. The maximum number of LED modules per control gear is limited and must be taken into account by the assembly staff and / or lighting designer.
  • Such a unit consisting of an operating device and several LED modules is referred to as a light strip or linear light source.
  • the linear lighting system can include one or more light strips.
  • the last LED module of a light strip must be connected to the control gear so that a current can flow.
  • an external return line is provided, which must be individually assembled and stowed away by the assembly personnel.
  • Fig. 2 a linear lighting system from the prior art which is improved with respect to the return line is shown.
  • the return line is provided in sections in the lamp modules.
  • the LED module becomes more modular.
  • the individual LED modules are equipped with four connections in order to be able to connect both the outgoing line and the return line of neighboring LED modules.
  • such LED modules are connected to one another by means of a plug-in connection system, so that wiring costs can be avoided.
  • the maximum number of LED modules per operating device must be taken into account and the light strip must be short-circuited at the end with a connector between the forward and return lines so that current can flow.
  • Fig. 3 shows a first embodiment of a lighting module 1 according to the invention.
  • the lighting module 1 comprises a carrier plate 11 with a surface and a plurality of light-emitting diodes 16.
  • the surface of the carrier plate 11 is equipped with the light-emitting diodes 16.
  • the carrier plate 11 typically being equipped with several parallel-connected chains of light-emitting diodes 16 connected in series.
  • the lamp module 11 On a left input side the lamp module 11 is equipped with a first, for example, double-pole electromechanical connector 121 as a first coupling structure and on a right output side with a second, for example, double-pole electromechanical connector 122 as a second coupling structure.
  • the first electromechanical connector 121 is designed to connect the carrier plate 11 to a light source module 1 adjacent to the left or to an operating device.
  • the second electromechanical connector 122 is designed to connect the carrier plate 11 to an illuminant module 1 adjacent on the right.
  • the first connector 121 and the second connector 122 are connected to one another via an outgoing line 14 and a return line 15.
  • a predefined current flow direction is formed in the forward line 14 away from the first connector 121 towards the second connector 122 and in the return line 15 away from the second connector 122 towards the first connector 121.
  • the light-emitting diodes 16 are connected to the outgoing line 14 and are supplied with power via this during operation.
  • the carrier plate 11 is also equipped with a switch device 17 and a current measuring device 18 as a current flow detection device.
  • the switch device 17 is in the current flow direction after the light emitting diodes 16 to the Outgoing line 14 and connected to the return line 15 after the current measuring device 18 in the direction of current flow.
  • the current measuring device 18 is connected to the return line 15 between the second connector 122 and the switch device 17.
  • the current measuring device 18 is designed to measure a current flow in the return line 15. It is also connected to the switch device 17 so that it opens the switch device 17 when a current flow measured by the current measuring device 18 exceeds a current threshold value. In this state, the forward line 14 and the return line 15 are not electrically connected to one another via the switch device 17. If the current flow measured by the current measuring device 18 falls below the current threshold value, the current measuring device 18 closes the switch device 17. In this state, the forward line 14 and the return line 15 are electrically connected to one another via the switch device 17.
  • the carrier plate 11 is also equipped with a high-resistance resistor 13 of a detection current generating device.
  • the resistor 13 is connected in the current flow direction upstream of the light-emitting diodes 16 to the forward line 14 and in the current flow direction downstream of the switch device 17 to the return line 15.
  • a first embodiment of a linear illuminant system 3 according to the invention is shown.
  • the linear illuminant system 3 is constructed from a first exemplary embodiment of a illuminant assembly kit 2 according to the invention.
  • the lamp kit 2 comprises an operating device 21 and a plurality of identical lamp modules 1, such as one of them in FIG Fig. 3 is shown.
  • the lamp modules 1 are mounted to one another lengthwise via their first connector 121 and their second connector 122.
  • the first or leftmost lamp module 1 is connected to the operating device 21, a positive pole of the operating device 21 being connected to the forward line 14 and a negative pole of the operating device 21 being connected to the return line 15.
  • Each lamp module 1 is designed to detect a subsequent lamp module 1. So that this detection takes place immediately after switching on the operating device 21 and remains independent of non-linear impedance curves of the light-emitting diodes 16, each is on the input side Lamp modules 1 of the resistor 13 are arranged.
  • the resistors 13 of the illuminant modules 1 each generate a comparatively small detection current in the return line 15 of the preceding illuminant module 1.
  • the load on the linear illuminant system 3 by the resistors 13 can be neglected since the detection current is in the ⁇ A range.
  • the current measuring devices 18 of the lamp modules 1 are each designed to measure a current flow, such as, in particular, the detection current in the return line 15. They are also each connected to the associated switch device 17, so that the switch device 17 opens when a current flow measured by the current measuring device 18 exceeds a current threshold value. In this state, the forward line 14 and the return line 15 are not electrically connected to one another via the switch device 17. If the current flow measured by the current measuring device 18 falls below the current threshold value, the current measuring device 18 closes the switch device 17 '. In Fig. 4 this is the case with the rightmost illuminant module 1, since no further illuminant module 1 is connected downstream and thus no detection current flows in the return line.
  • the forward line 14 and the return line 15 are electrically connected to one another or short-circuited via the switch device 17 '.
  • the light strip composed of the plurality of light source modules 1 configures itself quasi itself during assembly. There is no need to manually set a connection between the feed line 14 and the return line 15 of the last light source module 1.
  • This principle can be used for pulse width modulation (PWM) and also for continuous dimming processes for operating devices 21.
  • the current measuring device 18 comprises a current mirror circuit composed of bipolar transistors (Q2, Q3).
  • a MOS field effect transistor (Q1) is used as the RET (AR).
  • Q4 ensures that a return line RET (Q1) once closed does not more can be opened unexpectedly.
  • R21, R24 form the detection resistor Rsense. The additional components serve to optimize the response level and sensitivity of the method.
  • Fig. 6 shows a second exemplary embodiment of a linear illuminant system 30 according to the invention.
  • the linear illuminant system 30 is constructed from a second exemplary embodiment of a illuminant kit 20 according to the invention.
  • the lamp kit 20 comprises an operating device 210 and a plurality of identical lamp modules 10, one of which is shown in FIG Fig. 6 is shown in more detail.
  • the lamp module 10 comprises a carrier plate 110 with a surface and a plurality of light-emitting diodes 160 connected in series.
  • the surface of the carrier plate 110 is equipped with the light-emitting diodes 160, these being structured in a first group of light-emitting diodes 160 'and a second group of light-emitting diodes 160 "
  • the illuminant module 110 is equipped with a first electromechanical connector 1210 as a first coupling structure and on a right output side with a second electromechanical connector 1220 as a second coupling structure.
  • the first connector 1210 and the second connector 1220 are connected to one another via a feed line 140 and a return line 150.
  • a predefined current flow direction is formed in the forward line 140 away from the first connector 1210 towards the second connector 1220 and in the return line 150 away from the second connector 1220 towards the first connector 1210.
  • the light-emitting diodes 160 are connected to the outgoing line 140 and are supplied with current via this during operation.
  • the carrier plate 110 is also equipped with a switch structure 170 and a current measuring device 180 as a current flow detection device.
  • the switch structure 170 comprises a switch device 1710 which is connected to the forward line 140 in the current flow direction after the light-emitting diodes 160 and to the return line 150 in the current flow direction after the current measuring device 180.
  • the current measuring device 180 is connected to the return line 150 between the second connector 1220 and the switch device 1710.
  • the illuminant module 10 is analogous to illuminant module 1 from FIG Fig. 3 designed.
  • the current measuring device 180 is also designed to measure a current flow in the return line 150, to open the switch device 1710 when a current flow measured by the current measuring device 180 exceeds a current threshold value, and to close the switch device 1710 when the measured by the current measuring device 180 Current flow falls below the current threshold.
  • the carrier plate 110 is also equipped with a voltage measuring device 130 and an overload switch device 1720 of the switch structure 170.
  • the voltage measuring device 130 is connected to the outgoing line 140 upstream of the light-emitting diodes 160 in the direction of current flow.
  • the circuit breaker device 1720 is connected to the outgoing line 140 between the first group of light-emitting diodes 160 'and the second group of light-emitting diodes 160 ′′ Voltage measuring device 130 connected to return line 150.
  • the voltage measuring device 130 is connected to the circuit breaker device 1720.
  • the light source module 10 is configured in such a way that the circuit breaker device 1720 is closed when a voltage measured by the voltage measuring device 130 exceeds a voltage threshold value. In this state, the forward line 140 and the return line 150 are electrically connected to one another via the overload switch device 1720. So only the first group of light-emitting diodes 160 'is fed with current and thus operated, while the second group of light-emitting diodes 160 "is not operated 140 and the return line 150 are not electrically connected to one another via them.
  • This configuration of the lamp module 10 enables a reliable design of the maximum length of a light strip composed of several lamp modules 10. In particular, it can be prevented that undefined operating states of the light strip are brought about by exceeding the maximum length, which can violate the permitted working range of the operating device 210, for example due to an output voltage that is too high -power.
  • the overload switch device 1720 is immediately closed when the voltage threshold value matched to the operating device 210 is exceeded.
  • a third embodiment of a lamp module 100 comprises a carrier plate 1100 with a surface and a plurality of light-emitting diodes 1600 arranged on the surface.
  • the light-emitting diodes 1600 are organized in a first row of light-emitting diodes 1600 'and a second row of light-emitting diodes 1600 "connected in parallel Row of light emitting diodes 1600 "divided into two groups.
  • the lamp module 1100 On a left input side, the lamp module 1100 is equipped with a first electromechanical connector 12100 as a first coupling structure and on a right output side with a second electromechanical connector 12200 as a second coupling structure.
  • the first electromechanical connector 12100 is designed to connect the carrier plate 1100 to a light source module 100 adjacent to the left or to an operating device.
  • the second electromechanical connector 12200 is designed to connect the carrier plate 1100 to an illuminant module 100 adjacent on the right.
  • the first connector 12100 and the second connector 12200 are connected to one another via an outgoing line 1400 and a return line 1500.
  • the light-emitting diodes 1600 are connected to the feed line 1400 and are supplied with power by an operating device via this during operation.
  • the carrier plate 1100 is also equipped with a switch structure 1700 and a current measuring device 1800 as a current flow detection device.
  • the switch structure 1700 comprises a switch device 17100 which, in the direction of current flow, downstream of the light-emitting diodes 1600 to the feed line 1400 and downstream of the current measuring device 1800 is connected to the return line 1500.
  • the current measuring device 1800 is connected to the return line 1500 between the second connector 12200 and the switch device 17100.
  • the illuminant module 100 is analogous to illuminant module 1 from FIG Fig. 3 and to the lamp module 10 of Fig. 6 designed.
  • the current measuring device 1800 is designed to measure a current flow in the return line 1500, to open the switch device 17100 when a current flow measured by the current measuring device 1800 exceeds a current threshold value, and to close the switch device 17100 when the current flow measured by the current measuring device 1800 exceeds Current threshold falls below.
  • the carrier plate 1100 is also equipped with a voltage measuring device 1300 and an overload switch device 17200 of the switch structure 1700.
  • the voltage measuring device 1300 is connected to the feed line 1400 upstream of the light-emitting diodes 1600 in the direction of current flow.
  • the circuit breaker device 17200 is connected to the outgoing line 1400 between the first group of light emitting diodes and the second group of light emitting diodes of the second row of light emitting diodes 1600 ′′ and the voltage measuring device 1300 connected to the return line 1500.
  • the voltage measuring device 1300 is connected to the overload switch device 17200 via an oscillator 1900.
  • the lamp module 100 is configured in such a way that the circuit breaker device 17200 is temporarily closed when a voltage measured by the voltage measuring device 1300 exceeds a voltage threshold value. In this state, the outgoing line 1400 and the return line 1500 are alternately electrically connected to one another via the circuit breaker device 17200 and electrically isolated from one another. A dynamic flashing signal is generated, which indicates incorrect installation or overload of the control gear. If the voltage measured by the voltage measuring device 1300 falls below the voltage threshold value, the Overload switch device 17200 open so that the outgoing line 1400 and the return line 1500 are not connected to one another via them.
  • the number of light-emitting diodes 1600 in the illuminant module 100 is subdivided into the two rows A1, A2 of light-emitting diodes 1600 ', 1600 "in order to display a fault condition
  • Light-emitting diodes 1600 "shortened. This reduces the operating voltage at the input of the return line 1500 and group A2 takes almost the entire operating current of the operating device due to the characteristic operating characteristic of the light-emitting diodes 1600. As a result, no or a reduced current flows through group A1, which reduces the brightness or turns off completely.
  • the difference in luminosity between A1 and A2 can be determined by the value N2.
  • the circuit breaker device 1720 is connected to the oscillator 1900 so that it is dynamically controlled (OSC) a periodic W Echsel between normal operation, in which all LEDs 1600 are operated, and an error pattern.
  • OSC dynamically controlled
  • the circuit for the dynamic display of the error state consists of the voltage measuring device 1300 as voltage monitoring at the input (Vin block), the overload switch device 1720 (OV) and an auxiliary voltage for the oscillator 1900 (OSC). This is generated by a shunt regulator (Z-diode) in the circuit breaker device 17200 path.
  • the switching effects a periodic darkening of group A1 compared to a lightening of group A2 compared to normal operation.
  • FIG. 3 shows a light strip with a number of fourth exemplary embodiments of light source modules 101.
  • each of the lamp modules 101 a feed line 1401, a return line 1501, light-emitting diodes 160, a switch device 1701, a first, for example three-pole electromechanical connector 12101 as a first coupling structure, a second, for example three-pole electromechanical connector 12201 as a second coupling structure and a resistor 1301 of a detection current generating device.
  • This resistor 1301 enables the lamp module 101 of Fig. 9 also, for example, to a lamp module 1, as shown in FIG Fig. 3 shown can be connected.
  • the lamp module 101 comprises a detection current line 1801 with a first line section 18201 and a second line section 18101 as a current flow detection device.
  • the first line section 18201 of the detection power line 1801 is connected to the second connector 12201 and the switch device 1701.
  • the second line section 18101 of the detection current line 1801 is connected to the first connector 12101 and the return line 1501, the second line section 18101 being connected to the return line 1501 after the switch device 1701 and the resistor 1301 in the current flow direction.
  • the first connector 12101 and the second connector 12201 are thus designed with three contact points, a first contact point for the outgoing line 1401, a second contact point for the return line 1501 and a third contact point for the detection current line 1801.
  • the lamp module 101 is designed such that the switch device 1701 is open when the one detection current flows to the switch device 1701 via the connected detection current line 1801.
  • the connected detection current line 1801 consists of the first line section 18201 of a first illuminant module 101 and a second line section 18101 of an adjacent or downstream second illuminant module 101. In this in the left illuminant module 101 of Fig. 9 In the state shown, the forward line 1401 and the return line 1501 are not electrically connected to one another via the switch device 1701.
  • the switch device 1701 is closed. In this in the right lamp module 101 'of Fig. 9 In the state shown, the outgoing line 1401 and the return line 1501 are electrically connected to one another via the switch device 1701. As a result, the forward line 1401 'and the return line 1501' are automatically short-circuited on the last or rightmost lamp module 101 '.
  • a fifth exemplary embodiment of a lamp module 102 according to the invention is shown.
  • the illuminant module 102 is a final illuminant module 102 or one that is furthest away from an operating device Light bar provided.
  • the lamp module 102 with lamp modules 1 is shown in FIG Fig. 3 applicable.
  • the illuminant module 102 comprises a carrier plate 1102 with a surface and a plurality of light-emitting diodes 1602 mounted on the surface.
  • the lamp module 1102 is equipped with a first electromechanical connector 1202 as a first coupling structure.
  • the first electromechanical connector 1202 is designed to mechanically and electrically connect the carrier plate 1102 to an adjacent light source module 1 on the left.
  • the carrier plate 1102 has a plurality of straight predetermined breaking points 1902, along which the carrier plate 1102 can be divided.
  • the predetermined breaking points 1902 define carrier plate segments 11102, a left-hand start carrier plate segment 11302 with the first connector 1202 and an end carrier plate segment 11202 on the right end of the lamp module 102 facing away from the first connector 1202.
  • the surfaces of the carrier plate segments 11102, the start carrier plate segment 11302 and the end carrier plate segment each with several of the light emitting diode segments 11202 are 1602 equipped.
  • the carrier plate segments 11102 and the starting carrier plate segment 11302 are each equipped with a segment switch device 1702.
  • a segment switch device 1702 is connected in the direction of current flow before the predetermined breaking point 1902 delimiting the associated carrier plate segment 11102 or starting carrier plate segment 11302 to the outgoing line 1402 and after this predetermined breaking point 1902 to the return line.
  • the carrier plate segments 11102 and the starting carrier plate segment 11302 are each equipped with a series resistor 1302 of a detection current generating device and a second line section 18102 of a detection current line 1802.
  • the series resistors 1302 are each connected to the feed line 1402 and the return line 1502 of the associated carrier plate segment 11102 and starting carrier plate segment 11302.
  • the carrier plate segments 11102 and the end carrier plate segment 11202 are each equipped with a first line section 18202 of the detection current line 1802.
  • first and second line sections 18202, 18102 adjacent to one of the predetermined breaking points 1902 together form one of the detection current lines 1802.
  • the detection current lines 1802 each connect one of the segment switch devices 1702 via one of the predetermined breaking points 1902 to the return line 1502.
  • the lamp module 102 is configured in such a way that the segment switch devices 1702 are open as long as a detection current is supplied to them via the associated detection current lines 1802. If the carrier plate 1102 is separated along one of the predetermined breaking points 1902, the detection current lines 1802 running through it are also separated into the first line section 18202 and the second line section 18102. In this state, no more detection current flows to the segment switch device 1702 connected to this first line section 18202, so that it is closed. In this way, the segment switch devices 1702 are open when the carrier plate 102 is not divided along the associated predetermined breaking point 1902, and closed when the carrier plate 102 is divided along the associated predetermined breaking point 1902.
  • a linear lighting system can be efficiently constructed or assembled with regard to a desired overall length.
  • the length of the lighting system is limited to a multiple of the length of the installed lighting modules.
  • the lamp module 102 can be separated to the desired length at the predetermined breaking points 1902, the lamp module 102 configuring itself.
  • the circuit of the separable lamp module 102 which is used at the end of the linear lamp system, can have a MOSFET transistor as a segment switch device 1702, which enables virtually lossless control, so that the series resistor 1302 (R) can be comparatively large without the light-emitting diode Electricity is affected.
  • a bipolar transistor with a high gain would also be possible.
  • the control input (gate, base) of the transistor Q is separated from the return line 1502 and the series resistor 1302 switches the transistor Q on.
  • the series resistor 1302 simultaneously assumes the function of generating the detection current.
  • the present disclosure also encompasses embodiments with any combination of features that are mentioned or shown above or below for various embodiments. It also includes individual features in the figures, even if they are shown there in connection with other features and / or are not mentioned above or below.
  • the alternatives of embodiments and individual alternatives whose features are described in the figures and the description can also be excluded from the subject matter of the invention or from the disclosed subject matter.
  • the disclosure includes embodiments that exclusively include the features described in the claims or in the exemplary embodiments, as well as those that include additional other features.
  • the term “comprise” and derivatives thereof do not exclude other elements or steps.
  • the indefinite article “a” or “an” and its derivatives do not exclude a large number.
  • the functions of several features listed in the claims can be fulfilled by one unit or one step.
  • the terms “essentially”, “about”, “approximately” and the like in connection with a property or a value also define, in particular, precisely the property or precisely the value.
  • the terms “about” and “Approximately” in connection with a given numerical value or range can refer to a value or range that is within 20%, within 10%, within 5% or within 2% of the given value or range.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP21164320.0A 2020-03-23 2021-03-23 Module de moyens d'éclairage, système de luminaire linéaire et ensemble moyens d'éclairage Pending EP3886538A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00341/20A CH717250A1 (de) 2020-03-23 2020-03-23 Leuchtmittelmodul, Linearleuchtensystem und Leuchtmittelbausatz.

Publications (1)

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EP3886538A1 true EP3886538A1 (fr) 2021-09-29

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CH (1) CH717250A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160066372A1 (en) * 2014-08-28 2016-03-03 Microchip Technology Incorporated Apparatus And Method For LED Running Light Control And Status
EP3253181A1 (fr) * 2016-06-03 2017-12-06 Digital Elektronik GmbH Procédé pour la communication de données entre un module d'émission/réception et un module led comprenant au moins une led ou entre un module d'émission/réception et des modules led dans un branchement en série de plusieurs modules led, comprenant chacun au moins une led

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160066372A1 (en) * 2014-08-28 2016-03-03 Microchip Technology Incorporated Apparatus And Method For LED Running Light Control And Status
EP3253181A1 (fr) * 2016-06-03 2017-12-06 Digital Elektronik GmbH Procédé pour la communication de données entre un module d'émission/réception et un module led comprenant au moins une led ou entre un module d'émission/réception et des modules led dans un branchement en série de plusieurs modules led, comprenant chacun au moins une led

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