EP2384607A1 - Dispositif de commande d'une pluralité de lignes de diodes électroluminescentes - Google Patents

Dispositif de commande d'une pluralité de lignes de diodes électroluminescentes

Info

Publication number
EP2384607A1
EP2384607A1 EP10779457A EP10779457A EP2384607A1 EP 2384607 A1 EP2384607 A1 EP 2384607A1 EP 10779457 A EP10779457 A EP 10779457A EP 10779457 A EP10779457 A EP 10779457A EP 2384607 A1 EP2384607 A1 EP 2384607A1
Authority
EP
European Patent Office
Prior art keywords
throttle
winding
control
pair
control node
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.)
Withdrawn
Application number
EP10779457A
Other languages
German (de)
English (en)
Inventor
Stephan Gruber
René FRANZKY
Winfried Beyer
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.)
Exscitron GmbH
Original Assignee
Exscitron GmbH
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 Exscitron GmbH filed Critical Exscitron GmbH
Publication of EP2384607A1 publication Critical patent/EP2384607A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2822—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
    • H05B41/2827—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • 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
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines

Definitions

  • the present invention relates to a device for controlling a plurality of LED strings according to the preamble of the main claim.
  • FIG. 2 describes such an arrangement in which a first control node CH1 and a second control node CH2 each represent the switching point for a series connection of a plurality of LEDs (in this case 10 per line).
  • the need to achieve a uniform light output of each LED causes them to be arranged in series in the manner described; a typical voltage drop of about 3.2 V with a white LED then leads to each strand in the arrangement shown in FIG. 2 voltages of about 32 V abut.
  • component tolerances and other production-related deviations mean that parallel circuits of a plurality of strings form voltage differences without separate measures, with the consequence of an uneven distribution of current to the individual strings. This leads undesirably to uneven brightness of the respective LEDs and disadvantages for the life of the lamps.
  • CONFIRMATION COPY adjusts the stream flowing in the strand (11 in strand 1, 12 in strand 2 in Fig. 2) to a common value or regulates.
  • the object of the present invention is therefore to simplify a generic device for controlling a plurality of LED strings, in particular to reduce the constructional or hardware complexity, while at the same time providing a circuit which, in an energy-efficient manner, acts upon the majority of LED strings. Illuminant strands with minimized power loss possible.
  • the secondary current of a main transformer is divided into two individual individual currents, preferably by equidistant configuration of the number of turns (number of turns) of the secondary windings make the division into the same secondary-side individual streams, whereby by adapting the transmission ratio also a different setting can be made.
  • a throttle pair in the manner of a current transformer is now provided in each of the secondary-side circuit branches, which consists of oppositely wound mutually magnetically cooperating reactors (which are provided, for example, on a common throttle core).
  • The- The choke coils are then connected downstream in the direction of the first or second control node for the LED strings (FIG.
  • rectification means eg a diode for half-wave rectification, with a first choke of the choke pair being connected to the first control node and (oppositely gewekelkelte) second choke coil of the pair is connected via the rectifying means to the second control node.
  • first throttle is connected to the first control node
  • second throttle is connected to the second control node, in each case rectified, wherein the throttles are connected such that throttles (in each case one of the two pairs) connected to a control node are also connected to one another wound in opposite directions.
  • each throttle pair in the manner of a current transformer for the half-waves divides the current (in the preferred case of the same numbers of turns or turns, this ratio is 1: 1, while with different numbers of turns, the currents behave inversely proportional to the transmission ratio in the throttle pair).
  • the antipole configuration ie, the opposing windings of the individual reactors of a pair of inductors on a common core
  • the magnetic fluxes of the windings causes the magnetic fluxes of the windings to be canceled out over the course of the signal.
  • this advantageously leads to that of the first or second circuit branch in the control node introduced currents remain constant, a differential voltage between CH1 and CH2 magnetizes the core. Since, however, a correspondingly reversed differential voltage arises during a following half-wave, de-magnetization or magnetization takes place for the core.
  • a respective throttle pair with an associated absolute number of windings per winding after a maximum occurring differential voltage between the strands or a desired maximum modulation of the core (taking into account its geometry) interpreted and designed.
  • This measure according to the invention which does not significantly increase the current despite a short circuit at a control node, can be provided according to further development for the realization of a dimming or light intensity control of a respective string (or for all strings): namely, modulated by a suitable or ( controllable) clocked controlled switching element short-circuit situation periodically and predetermined is brought about, can be done in this way for one or more strands concerned by the controlled short-circuiting a brightness control with little effort.
  • a predetermined color control or color mixing of LEDs can be achieved by means of the current-dividing drive device according to the invention by providing at least two differently colored LEDs, preferably LEDs for generating a spectrally wideband color mixed signal of different colors (eg RGB) as described above undergo an individual brightness control and so a spectral (color) mixed signal of the plurality of LEDs in the desired mixed color by appropriately dimming the respective strands can be brought.
  • a spectral (color) mixed signal of the plurality of LEDs in the desired mixed color by appropriately dimming the respective strands can be brought.
  • the inventive principle is not limited to the provision of a throttle pair for each circuit branch or for each control node; Rather, the output signal of a throttle pair can be used according to further development and in the manner of a cascade, in turn suitable for controlling two further throttle pairs, so that in this way the number of control nodes to be triggered (and therefore LED strands provided therefor) correspondingly increase.
  • n-1 dividing transformers where such a dividing transformer provides two pairs of inductors on a common core
  • n LED strands can each be subjected to a constant (or ideally even) control current.
  • this cascaded embodiment of the invention it is provided according to the invention (and also claimed independently) to provide a configuration in the manner of a pairwise coupling of adjacent channels for respective control nodes, in which the first secondary-side weighing tion of the transformer unit, a first throttle of a first throttle arrangement is connected downstream, which is connected via rectification means to the first of the control nodes, and a third throttle of the first throttle arrangement is connected, which is connected via rectification means to the second of the control nodes.
  • the second secondary-side winding of the transformer unit is followed by a second throttle of the first throttle arrangement, which is connected via rectification means to the first of the control nodes, and a fourth throttle of the first throttle arrangement connected downstream, which is connected via rectification means to the second of the control nodes.
  • the second and fourth throttle are preceded in each case by a throttle of a second throttle arrangement wound in opposite directions, this second throttle arrangement being connected to the two individual throttles between the first and second secondary-side windings and the first throttle arrangement.
  • the throttles of the second throttle arrangement are advantageously wound in opposite directions, just as the throttles of the first throttle arrangement connected to a respective one of the control nodes are wound in opposite directions (eg the first throttle and the second throttle of the first throttle arrangement, which are connected to the first control node are). Furthermore, according to the invention, the throttles of the respective throttle arrangements are magnetically coupled to one another, particularly advantageously provided on a common throttle core.
  • the transformer unit on the secondary side a plurality of first and second windings, which are each associated with these branches and separated or isolated from each other.
  • a particularly favorable variant of the invention for which protection is claimed independently, provides that on the secondary side of the main transformer lent a winding is present.
  • the provision of a (mutually magnetically coupled) throttle pair in the described manner leads to the desired success, but with such a simplified (and asymmetrical) topology it must be ensured that the magnetization of the core resulting from voltage differences is suitably demagnetized.
  • a demagnetization unit with auxiliary winding is advantageously provided, which, preferably with the aid of a (bridge) rectifier, or this auxiliary winding with center tap and a full-wave rectification, leads to demagnetization potential, the demagnetization of the core which is described above Embodiment has been effected by the alternating half-waves in push-pull configuration or center tap of the secondary winding.
  • FIG. 1 shows a schematic circuit diagram of the device for driving a plurality of LED strings according to a first embodiment of the invention
  • FIG. 2 shows a schematic circuit diagram for illustrating two parallel LED strands
  • FIG. 3 shows a modification of the embodiment of FIG. 1 by a short circuit or dimming unit assigned to one of the two control nodes;
  • FIG. 4 a development of the embodiment of FIG. 1 in a
  • Fig. 5 a variant of the invention with only one secondary side
  • Winding of the main transformer wherein the first or second control node associated throttle pair additionally cooperates with an auxiliary winding for demagnetization;
  • Fig. 6 an embodiment of the invention as a variant of FIG. 4, in which, instead of a cascaded system, a pairwise coupling of adjacent channels is made and
  • Fig. 7 shows a development of the embodiment of FIG. 6, in which for a respective channel of a control node own first and second secondary-side windings of the
  • (Main) transformers are provided to separate the circuit branches formed therefrom.
  • Fig. 1 illustrates the essential components of the first embodiment of the invention.
  • a pair of secondary windings 12, 14 are formed, which are connected to each other via a center tap 13 and circuit branches 16 and 18 form.
  • a throttle pair 20 consisting of a pair of coils 24, 26, which are wound in opposite directions and provided on a common core, is provided (the points in the diagram show the winding sense in an otherwise known manner).
  • a throttle pair 22 consisting of the individual throttles 28, 30 wound in opposite directions, is provided;
  • the present embodiment with respect to the winding number identical secondary windings 12, 14 and the same number of windings of the chokes 24 to 30 is so far a symmetrical arrangement.
  • All of the individual throttles 24, 26, 28, 30 are formed by means of a common throttle core and act magnetically together in this respect.
  • an output (Pol) of the throttle 24 is connected via a rectifier diode 32 to the first control node CH1 (Fig. 2), said control node via a filter capacitor 40 to ground (GND).
  • the second throttle 26 of the first throttle pair 20 is led via an associated rectifier diode 36 to the control node CH2; this is also high-frequency via a filter capacitor 42 to ground.
  • Analog and symmetrical to the first throttle pair 20 the individual reactors 28, 30 of the second throttle pair 22 are guided via rectifier diodes (rectifier) 34, 38 to the control nodes CH1 and CH2. It can be seen from the representation of FIG. 1 that the individual throttles (approximately 24, 28 for CH1) guided to a control node are also wound in opposite directions to each other (the individual throttles 26, 30 with respect to CH2).
  • the apparatus shown is supplied on the primary side with a regulated or constant primary current (in the manner of a conventional ballast), this primary current then alternately, depending on which half-wave is present in the secondary windings 12, 14, or in the branches 16 formed 18 flows.
  • the respective throttle pairs 20 and 22 then act in the manner of a current transformer such that the current in the branch 16 to the throttle 24, 26 divides (assuming a turn ratio of 1: 1). Due to the mutual polarity, the magnetic fluxes of the windings cancel each other out. The same applies to the choke pair 22 in the branch 18.
  • a differential voltage from CH1 to CH2 causes a magnetization of the core, but this is compensated or canceled again in a subsequent, reversed half-wave .
  • a frequency of the impressed current in the range between approximately 100 and 200 kHz (conceivable is a range between 30 and 500 kHz) and a maximum voltage at CH1 or CH2 in the range between approximately 40 and 50 V (corresponding to usually 10th up to 15 LEDs per string), chokes 24 to 30 have typical winding numbers from a few to hundreds; sieving capacities 40 and 42 are in the range of 1 pF to 10 mF.
  • the chokes 26 and 28 for the node CH2 are followed by a short-circuit unit consisting essentially of a FET 50 as the switching element controlled at its gate 52 , wherein decoupling diodes 54, 56 are associated with the Drosselausgän- gene.
  • a e.g. Clocked or periodic and / or modulated control of the gate terminal 52 then allows the dimming of the LED string connected to CH2 in that corresponding to the turn-on of the FET 50, a short circuit to ground and this ground-derived part of the current is no longer for CH2 is available.
  • the transistor 50 also permits a voltage regulation, for example by virtue of the fact that the transistor 50 selectively influences the charging or discharging behavior of the capacitor 42 (for example between two control values) by virtue of its switching behavior.
  • the phase current (here 12 to CH2) between 0 and 100% predetermined nominal value can be suitably set.
  • the current in the other string (CH1) remains unchanged in this configuration, as long as the current supplied by the main transformer 10 remains constant.
  • the filter capacitor is laid on the primary side of the main transformer (not shown), a circuit simplification is possible on the secondary side, namely the removal of the capacitors, in which case the short-circuiting switch (transistor 50) can also be used without the decoupling diodes (54 , 56) can be connected directly to the output.
  • control nodes CH1 and CH2 can be assigned LEDs of different colors (for example CH1 LEDs of a first mixed color, the node CH2 LEDs of a second mixed color).
  • a user then encounters light emission signals from the LEDs of both strands, which spectrally mix in an otherwise known manner to produce a resulting color.
  • This advantageous development of the invention also becomes particularly interesting when more than two mixed colors are available (that is, as explained below, the current-dividing drive device according to the invention offers more than two channels on the output side).
  • the desired resulting color would be directly adjustable by means of (optical or spectral) mixing of in each case suitably adjusted in brightness three LEDs in these spectral colors.
  • FIG. 4 illustrates a further modification in the form of a cascade.
  • throttle pairs 60, 62, 64, 66 are provided, wherein (in cascaded continuation of the embodiment of FIG. 1), the throttle pairs 20, 22 sit on a common core, as well as the throttle pairs 60, 62 have a common core and the throttle pairs 64, 66 have a common core.
  • the individual throttles of the throttle pairs 60 to 66 are wound in opposite directions, and in the embodiment of FIG. 4 is each of the strands (thus control node CH1 to CH4) associated with a separate short-circuit according to FIG. 3, so that the greatest possible flexibility in wiring or modulation of the gate terminals 70 to 76 consists.
  • throttle pairs 20, 22 and 60, 62 and 64, 66 are each understood as a divide transformer, a current control for a total of four lines or control nodes can be realized with a total number of three diverters.
  • FIG. 5 illustrates a further modification of the basic principle of Fig. 1; in a further simplification, however, a departure from the push-pull principle of Fig. 1 (in which advantageously both half-waves of the main transformer signal used and in particular could also be used for demagnetization).
  • the secondary side has only one winding 80, which a pair of inductors (wound in opposite directions) 82, 84 is connected downstream on a common core and in turn is guided via rectifier diodes 32, 34 to the control nodes CH1, CH2.
  • filter capacitors 40, 42 provide high frequency ground connection.
  • a magnetization of the inductor core (which would not be demagnetized, as in the push-pull circuit described above, in the opposite polarity half-wave) is in the form of a Auxiliary winding 86, connected to a bridge rectifier 88 and a filter capacitor 90 to an auxiliary potential Uhiif realized a demagnetization.
  • the demagnetization winding 86 can (with appropriate isolation) also feed back to the primary side.
  • FIG. 5 functions both in single-ended flux and in flyback converters. Only with all types of flux transformers (including push-pull) sits between the rectifier and the filter capacitor nor a choke with demagnetization. Also, the embodiment of FIG. 5 by means of the control or dimming of FIG. 3 can be further developed.
  • FIGS. 6 and 7 show a further embodiment of the invention which, compared with the cascaded embodiment of the invention according to FIG. 4, represents a variant by coupling adjacent channels. Specifically, the transformer unit 10 in turn on the secondary side two windings 12 and 14, which have a common tap to GND.
  • each of the windings 12, 14 leads to one of the four control nodes CH1 to CH4, which in turn, analogously to the above-described manner, a current division or current limitation for preferably connectable there LED (not shown) Offer strands.
  • a throttle pair 70 in the diagram referred to as TR3-A and TR3-B upstream, which sits on a common core and is wound in opposite directions.
  • Two further individual throttles of a throttle pair 72 are part of the same throttle arrangement, sit on the same core and form part of a branch directed to the second control node CH2 (again via rectifier D2).
  • the throttle pair 72 is preceded by a throttle pair 80 of a second throttle arrangement, with a first throttle TR2-A leading to the first secondary-side winding 12 and a second throttle TR2-B of the pair 80 leading to the second winding 14.
  • a further throttle arrangement consisting of throttle pairs 74 (for the third control node CH3) and 76 (for the fourth control node CH4), the embodiment of FIG.
  • throttle 6 (based on the first throttle arrangement with the pairs 70, 72) is symmetrical; In turn, the throttle pairs 74, 76 sit on a common core. Throttles of a throttle pair 82 are respectively connected upstream of the throttle pair 74, the throttle pair 82, together with the throttle pair 80, forming a self-described throttle arrangement (again on a common core) as described above.
  • the respective throttle assemblies 70, 72, further 74, 76 and 80, 82 have a transmission ratio of 1: 1.
  • the transformer with the throttle pairs 80, 82 acts in principle like the throttle arrangement with the throttle pairs 20, 22 in the exemplary embodiment of FIG. 4.
  • windings are those with the same phase position of the input signal work (ie in Fig. 6, approximately each upper or lower individual throttle of the pairs 80, 82) formed with mutually opposite winding sense. This applies equally to single windings, which lead to a common control node, so for example for the individual throttles of the pair 70, 72, etc.
  • the circuit principle of the embodiment of Figure 6 can be extended to any number of channels; Analogously to the above-described principle, n-1 diverting transformers (ie inductor arrangements in the sense described above) are again required for n output channels, as in the embodiment of FIG. 4. Equally, it is possible for the inventive principle of FIG. 6 to be channel-wise via additional coupling diodes and one Short circuit switch (reference numerals 50, 52 in Fig. 4) individually dimmed. If one output channel (control node) has a different current value than the other, the transmission ratio of the throttle arrangements connected to the relevant control node must be adapted, the above-mentioned rules being valid. For example, in the circuit of FIG. 6 in the Node CH2 flow a different current value than in the nodes CH1, CH3, CH4, then the gear ratio of the throttle pair 80:82 must be equal to the gear ratio of the throttle pair 72:70 to adjust another current 12.
  • FIG. 4 ascading
  • FIG. 6 pressurewise interconnection
  • one output (control node) of the circuit of FIG. 6 may be split into two channels with another distribution transformer (throttle arrangement), as shown in FIG. 1.
  • an output (control node) of the circuit of FIG. 4 may feed about the arrangement of FIG. 6 and then divide that output into four channels.
  • Fig. 7 shows a variant of the embodiment of Fig. 6, wherein like reference numerals designate corresponding matching circuit components.
  • FIG. 7 shows a variant of the embodiment of Fig. 6, wherein like reference numerals designate corresponding matching circuit components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Dc-Dc Converters (AREA)
  • Ac-Ac Conversion (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne un dispositif de commande d'une pluralité de lignes de diodes électroluminescentes qui présentent respectivement une ou plusieurs diodes électroluminescentes montées en série et qui sont sollicitées par un courant de commande constant dans des noeuds de commande respectifs. Selon l'invention, une unité transformateur qui, côté primaire, est soumise à un courant constant et/ou régulé d'une fréquence prédéterminée, présente, côté secondaire, au moins un premier et un deuxième enroulement ayant un branchement commun, ledit premier enroulement étant associé à une première branche de circuit constituant un premier noeud de commande pour une première ligne de diodes électroluminescentes et le deuxième enroulement étant associé à une deuxième branche constituant un deuxième noeud de commande pour une deuxième ligne de diodes électroluminescentes, la première et la deuxième branche de circuit présentant respectivement une paire de bobines d'arrêt enroulées en sens inverse et coopérant magnétiquement, une première bobine d'arrêt de la paire de bobines d'arrêt étant reliée au premier noeud de commande par un moyen redresseur et une deuxième bobine d'arrêt de ladite même paire de bobines d'arrêt étant reliée au deuxième noeud de commande par un moyen redresseur. Les bobines d'arrêt reliées à un des noeuds de commande sont enroulées en sens inverse et les paires de bobines d'arrêt sont couplées magnétiquement, présentant notamment un noyau de bobine commun.
EP10779457A 2009-10-19 2010-10-19 Dispositif de commande d'une pluralité de lignes de diodes électroluminescentes Withdrawn EP2384607A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009049939 2009-10-19
DE102010010235A DE102010010235B9 (de) 2009-10-19 2010-03-03 Vorrichtung zur Ansteuerung einer Mehrzahl von LED-Strängen
PCT/EP2010/006353 WO2011047817A1 (fr) 2009-10-19 2010-10-19 Dispositif de commande d'une pluralité de lignes de diodes électroluminescentes

Publications (1)

Publication Number Publication Date
EP2384607A1 true EP2384607A1 (fr) 2011-11-09

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EP10776934.1A Active EP2384606B1 (fr) 2009-10-19 2010-10-19 Dispositif de commande d'une pluralité de consommateurs électriques
EP10779457A Withdrawn EP2384607A1 (fr) 2009-10-19 2010-10-19 Dispositif de commande d'une pluralité de lignes de diodes électroluminescentes

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US (1) US9888553B2 (fr)
EP (2) EP2384606B1 (fr)
CN (1) CN102668719B (fr)
DE (2) DE102010010235B9 (fr)
WO (2) WO2011047817A1 (fr)

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US8896403B2 (en) 2009-10-19 2014-11-25 Exscitron Gmbh Inductive electronic module and use thereof
DE102010045826A1 (de) 2010-09-20 2012-03-22 Exscitron Gmbh Stromaufteilungsvorrichtung sowie Verwendung einer Stromaufteilungsvorrichtung
EP2565882B1 (fr) 2011-09-02 2017-08-09 exscitron GmbH Composant électronique à induction et utilisation de celui-ci
DE102012108965B4 (de) 2012-09-24 2014-08-14 Exscitron Gmbh Stromquelle mit verbesserter Dimmvorrichtung
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CN102668719A (zh) 2012-09-12
EP2384606A1 (fr) 2011-11-09
EP2384606B1 (fr) 2015-07-22
DE102010010235B4 (de) 2013-03-28
WO2011047817A1 (fr) 2011-04-28
US20120242267A1 (en) 2012-09-27
CN102668719B (zh) 2015-06-17
DE102010010235B9 (de) 2013-04-18
US9888553B2 (en) 2018-02-06
WO2011047817A9 (fr) 2011-10-13
WO2011047818A1 (fr) 2011-04-28
DE102010010235A1 (de) 2011-04-28
DE102010048951A1 (de) 2011-07-07

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