EP2384606A1 - Dispositif de commande d'une pluralité de consommateurs électriques - Google Patents

Dispositif de commande d'une pluralité de consommateurs électriques

Info

Publication number
EP2384606A1
EP2384606A1 EP10776934A EP10776934A EP2384606A1 EP 2384606 A1 EP2384606 A1 EP 2384606A1 EP 10776934 A EP10776934 A EP 10776934A EP 10776934 A EP10776934 A EP 10776934A EP 2384606 A1 EP2384606 A1 EP 2384606A1
Authority
EP
European Patent Office
Prior art keywords
throttle
winding
pair
control node
control
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.)
Granted
Application number
EP10776934A
Other languages
German (de)
English (en)
Other versions
EP2384606B1 (fr
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 EP2384606A1 publication Critical patent/EP2384606A1/fr
Application granted granted Critical
Publication of EP2384606B1 publication Critical patent/EP2384606B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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 electrical consumers according to the preamble of the main claim.
  • electrical consumers can have LEDs, in particular in the form of strands.
  • 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).
  • 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.
  • CONFIRMATION COPY Do not exceed low voltages, this means that several strands, such as in the Fig. 2 shown type with two strands, are connected in parallel when orders of magnitude of 15 to 20 LEDs are exceeded.
  • component tolerances and other production-related deviations mean that parallel circuits of several strings form voltage differences without separate measures, with the result 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.
  • the object of the present invention is therefore to simplify a generic device for controlling a plurality of electrical consumers, in particular to reduce the constructive or hardware complexity, while at the same time providing a circuit which, in an energy-efficient manner, acts upon the majority of the electrical components Consumer with minimized power loss allows.
  • the secondary current of a main transformer is divided into two individual individual currents applied to the primary side, preferably by equipping the number of turns (number of turns) of the secondary side windings appropriately 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).
  • These choke coils are then connected downstream in the direction of the first or second control node for the electrical consumers (FIG. 2) 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 wound in opposite directions) second choke coil of the pair is connected via the rectifying means to the second control node.
  • the first throttle is connected to the first control node
  • the second throttle is connected to the second control node, in each case rectified, wherein the throttles are connected such that throttle elements connected to a control node are connected. be (ie each one of the two pairs) are also 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 i.e., the opposing windings of the individual inductors of a pair of inductors on a common core
  • the magnetic fluxes of the windings causes the magnetic fluxes of the windings to cancel each other out over the waveform.
  • this advantageously leads to that of the first or second second currents in the control nodes remain constant, a differential voltage between CH1 and CH2 magnetizes the core.
  • a correspondingly reversed differential voltage occurs at a following half-wave, finds for the core Enttial. Magnetization takes place.
  • a respective throttle pair with an associated absolute number of turns 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.
  • 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 thus provided electrical consumers) increase accordingly.
  • n-1 dividing transformers where such a dividing transformer provides two pairs of inductors on a common core, it is possible to apply n electric loads each having a constant (or ideally even) control current.
  • this cascaded implementation of the invention it is provided (and claimed independently) to provide a configuration in the manner of a pairwise coupling of adjacent channels for respective control nodes, wherein the first secondary-side winding of the transformer unit, a first throttle of a first Drosselanord- tion 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 to the first of the control nodes via rectification means, 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 restrictors are each a mutually inductively wound throttle upstream of a second throttle arrangement, wherein said second throttle arrangement is connected to the two individual reactors between the first and second secondary-side winding 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 only one winding is present on the secondary side of the main transformer.
  • the provision of a throttle pair (magnetically coupled together) in the described manner leads to the desired result, 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 execution Example by the alternating half-waves in push-pull configuration or center tap the secondary winding was effected.
  • the device according to the invention can be realized as a charger.
  • the plurality of electrical loads in the form of a plurality of (electric) motors, in particular stepper motors, which are acted upon in the manner according to the invention with a constant current.
  • FIG. 2 shows a schematic circuit diagram for illustrating two parallel electrical consumers
  • 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; 1 in a cascaded, two-stage system of throttle pairs for driving four electrical consumers; a variant of the invention with only one secondary-side winding of the main transformer, wherein the first and second control node associated throttle pair additionally cooperates with an auxiliary winding for demagnetization; 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 or second secondary-side windings of
  • (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 oppositely wound to each other, provided on a common core chokes 24, 26 are provided (the points in the diagram show the winding sense in otherwise known manner).
  • a throttle pair 22 consisting of the individual throttles 28, 30 wound in opposite directions, is provided;
  • All of the individual throttles 24, 26, 28, 30 are formed by means of a common inductor core and thus act magnetically together.
  • 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 guided via an associated rectifier diode 36 to the control node CH2; this too is high-frequency on mass via a filter capacitor 42.
  • 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.
  • 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 about 40 and 50 V (corresponding to usually 10 to 15 LEDs per string), the chokes 24 to 30 typical winding numbers from a few to hundreds on; sieving capacities 40 and 42 are in the range of 1 pF to 10 mF.
  • the ratio of these winding numbers to each other determines the ratio in which the currents behave in the control nodes, i.
  • Winding ratio throttle 24: Winding ratio throttle 26 12 (in CH2): 11 (in CH1).
  • FIG. 3 illustrates a preferred and advantageous modification of the exemplary embodiment of FIG. 1.
  • the chokes 26 and 28 for the node CH2 are followed by a short-circuit unit consisting essentially of a FET 50 as being connected to its gate 52.
  • controlled switching element, decoupling diodes 54, 56 are associated with the throttle outputs.
  • 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 allows a voltage regulation, for example by the fact that the transistor 50 by its switching behavior specifically influences the charging or discharging behavior of the capacitor 42 (for example between two control values). If, in addition, the modulation or a pulse duty factor On: off at the switching input 52 of the transistor 50, 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-based simplification is possible on the secondary side, namely the removal of the capacitors, in which case the short circuit switch (transistor 50) also functions without the decoupling diodes shown (54, 56) can be connected directly to the output.
  • 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 inductors of the inductor pairs 60 to 66 are wound in opposite directions, and in the exemplary embodiment of FIG. 4, each of the trains (thus control nodes CH1 to CH4) has its own short-circuit according to FIG. 3, so that the greatest possible flexibility in connection or modulation of the gate Connections 70 to 76 exists.
  • 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.
  • any push-pull main converter circuits including half bridge, full bridge, resonant converter, M circuit, etc. If, for example, for an output, the respectively associated diodes are reversed, a negative output voltage is present at the corresponding control node or a negative output current flows. In absolute terms, this current corresponds to the positive current and, as described above, can be adjusted by predetermining the corresponding transformation ratios. If the diodes (70, 72) are reversed for the control node CH4 (FIG. 4), CH4 is negative in terms of current and voltage. Accordingly, the polarity of the decoupling diodes (74, 76) for the switching transistor (50) in this branch would have to be reversed, whereby this short-circuit switch would then be realized as a P-channel transistor.
  • 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 throttle pair (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 CH, CH2.
  • a throttle pair wound in opposite directions
  • magnetization of the inductor core (which would not be demagnetized in the opposite polarity half-wave as in the case of the push-pull circuit described above) is achieved by the one-shot implementation of FIG. 5 and potentially non-uniform voltages at CH 1 and CH 2, is Form of an auxiliary winding 86, connected to a bridge rectifier 88 and a filter capacitor 90 to an auxiliary potential Uhiif realized demagnetization.
  • the demagnetization winding 86 can (with appropriate isolation) also feed back to the primary side.
  • the illustrated principle of 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.
  • 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 there connectable (not shown) electrical loads to offer.
  • a throttle pair 70 (referred to in the diagram 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 rectifying means 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.
  • throttle pairs 74 for the third control node CH3 and 76 (for the fourth control node CH4)
  • the embodiment of FIG. 6 (based on the first throttle arrangement with the pairs 70, 72) is symmetrical ;
  • 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.
  • circuit principle of the embodiment of Figure 6 can be extended to any number of channels.
  • n-1 diverting transformers ie inductor arrangements in the sense described above
  • n output channels are again required for n output channels, as in the embodiment of FIG. 4.
  • the transmission ratio of the throttle arrangements connected to the relevant control node must be adapted, the above-mentioned rules being valid. If, for example, another current value flows into the node CH2 in the circuit of FIG. 6 than into the nodes CH1, CH3, CH4, then the transmission ratio of the throttle pair 80: 82 must be equal to the transmission ratio of the throttle pair 72: 70 in order to generate a different current 12 to adjust.
  • FIG. 7 shows a variant of the embodiment of FIG. 6, wherein the same 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 consommateurs électriques qui, dans des noeuds de commande respectifs, sont sollicités par un courant de commande constant. 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 un premier consommateur électrique et le deuxième enroulement étant associé à une deuxième branche constituant un deuxième noeud de commande pour un deuxième consommateur électrique, 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.
EP10776934.1A 2009-10-19 2010-10-19 Dispositif de commande d'une pluralité de consommateurs électriques Active EP2384606B1 (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/EP2010/006354 WO2011047818A1 (fr) 2009-10-19 2010-10-19 Dispositif de commande d'une pluralité de consommateurs électriques

Publications (2)

Publication Number Publication Date
EP2384606A1 true EP2384606A1 (fr) 2011-11-09
EP2384606B1 EP2384606B1 (fr) 2015-07-22

Family

ID=43796905

Family Applications (2)

Application Number Title Priority Date Filing Date
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

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10779457A Withdrawn EP2384607A1 (fr) 2009-10-19 2010-10-19 Dispositif de commande d'une pluralité de lignes de diodes électroluminescentes

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010014281A1 (de) 2010-04-08 2011-10-13 Exscitron Gmbh Induktive elektronische Baugruppe und Verwendung einer solchen
WO2011047819A1 (fr) 2009-10-19 2011-04-28 Exscitron Gmbh Module électronique inductif et utilisation d'un tel module
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
DE102013109223A1 (de) 2013-08-26 2015-02-26 Exscitron Gmbh Schaltnetzteilvorrichtung

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916286A (en) * 1974-09-19 1975-10-28 United Technologies Corp Switching power supply common output filter
JPS591068B2 (ja) * 1976-03-09 1984-01-10 三菱電機株式会社 電力変換装置
US4471423A (en) * 1982-02-17 1984-09-11 Hase A M Multi-voltage DC output with single reactor voltage control
GB2128816B (en) * 1982-08-28 1986-02-19 Tdk Electronics Co Ltd A discharge lamp driving device
DE3712784A1 (de) * 1987-04-15 1988-11-03 Philips Patentverwaltung Schaltungsanordnung zur begrenzung der einschaltstromspitzen bei einem schalttransistor
CA2078051C (fr) * 1992-09-11 2000-04-18 John Alan Gibson Dispositif d'allumage a distance de lampes a decharge dans un gaz
US6731075B2 (en) * 2001-11-02 2004-05-04 Ampr Llc Method and apparatus for lighting a discharge lamp
JP2004215376A (ja) * 2002-12-27 2004-07-29 Sony Corp スイッチング電源回路
DE102005003021A1 (de) * 2004-01-22 2005-08-18 Koito Manufacturing Co., Ltd. Stromversorgungseinheit und Beleuchtungsvorrichtung für Fahrzeuge
EP3589081B1 (fr) 2004-03-15 2024-02-21 Signify North America Corporation Procédés et appareil de régulation de puissance
DE102005001326A1 (de) * 2005-01-11 2006-07-20 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektronisches Vorschaltgerät (EVG)
JP5025913B2 (ja) * 2005-05-13 2012-09-12 シャープ株式会社 Ｌｅｄ駆動回路、ｌｅｄ照明装置およびバックライト
US7196483B2 (en) * 2005-06-16 2007-03-27 Au Optronics Corporation Balanced circuit for multi-LED driver
DE602005007363D1 (de) 2005-11-22 2008-07-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Antriebsvorrichtung für LED-zellen
US7744233B2 (en) 2005-11-30 2010-06-29 Sharp Kabushiki Kaisha Backlight device and liquid crystal display device
WO2008035268A2 (fr) * 2006-09-19 2008-03-27 Bobinados De Transformadores S.L. Unité de lampe à décharge de gaz
US7579786B2 (en) * 2007-06-04 2009-08-25 Applied Concepts, Inc. Method, apparatus, and system for driving LED's
JP4229202B1 (ja) * 2007-08-27 2009-02-25 サンケン電気株式会社 多出力スイッチング電源装置
US8081492B2 (en) * 2007-10-29 2011-12-20 Tdk Corporation Switching power supply with smoothing circuitry for more stable output
US20090195169A1 (en) * 2008-02-01 2009-08-06 Delta Electronics, Inc. Power supply circuit with current sharing for driving multiple sets of dc loads
CN101511136B (zh) * 2008-02-14 2013-02-20 台达电子工业股份有限公司 多组发光二极管的电流平衡供电电路
DE102009017023A1 (de) * 2009-04-14 2010-10-28 Siemens Aktiengesellschaft Antriebssystem für eine Anlage mit einem Wechselspannungsinselnetz
US8174225B2 (en) * 2009-05-15 2012-05-08 Siemens Industry, Inc. Limiting peak electrical power drawn by mining excavators

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011047818A1 *

Also Published As

Publication number Publication date
CN102668719B (zh) 2015-06-17
DE102010010235B9 (de) 2013-04-18
WO2011047818A1 (fr) 2011-04-28
WO2011047817A9 (fr) 2011-10-13
WO2011047817A1 (fr) 2011-04-28
US20120242267A1 (en) 2012-09-27
DE102010010235B4 (de) 2013-03-28
EP2384607A1 (fr) 2011-11-09
CN102668719A (zh) 2012-09-12
EP2384606B1 (fr) 2015-07-22
DE102010048951A1 (de) 2011-07-07
US9888553B2 (en) 2018-02-06
DE102010010235A1 (de) 2011-04-28

Similar Documents

Publication Publication Date Title
DE102006014608B4 (de) Filterschaltung und Spannungsversorgungseinheit
DE102007028077B4 (de) Vorrichtung zur Einspeisung elektrischer Energie in ein Energieversorgungsnetz und Gleichspannungswandler für eine solche Vorrichtung
DE102006014603B4 (de) Magnetisches Element und Energieversorgung
EP2384606B1 (fr) Dispositif de commande d'une pluralité de consommateurs électriques
EP0301436B1 (fr) Convertisseur DC-DC
EP2526738A1 (fr) Circuiterie pour faire fonctionner au moins une source lumineuse à semi-conducteur
EP2471167A2 (fr) Circuit de convertisseurs dc/dc et système de batterie
DE102007038960A1 (de) Wechselrichter
EP3721542B1 (fr) Convertisseur de tension à trois ports avec transformateur
EP0772902B1 (fr) Appareil d'alimentation en courant, notamment appareil de chargement de batteries pour vehicules electriques ou similaires
EP0169488A2 (fr) Circuit transformateur
WO2019015971A1 (fr) Circuit convertisseur de tension et procédé servant à faire fonctionner un circuit convertisseur de tension
DE102013109223A1 (de) Schaltnetzteilvorrichtung
EP0608536B1 (fr) Appareil de soudage à arc avec commutateurs semi-conducteurs comprenant une connexion centrale
EP3360241B1 (fr) Convertisseur continu-continu et procédé de fonctionnement d'un convertisseur continu-continu
AT511846B1 (de) Kombinierter sperr-durchflusswandler mit nur einer diode
DE102015224437B4 (de) Fahrzeugbordnetz-Spannungswandler, Fahrzeugbordnetz mit einem Fahrzeugbordnetz-Spannungswandler
DE102010045826A1 (de) Stromaufteilungsvorrichtung sowie Verwendung einer Stromaufteilungsvorrichtung
DE102010041618A1 (de) Schaltungsanordnung zum Betreiben mindestens zweier Halbleiterlichtquellen
EP0263936A1 (fr) Alimentation de puissance à commutation sur le circuit secondaire
DE19755127A1 (de) Tiefsetzsteller für Wechselspannungen
EP2760103A1 (fr) Symétrie de tensions de condensateurs dans une commutation en série de condensateurs
WO2023072494A1 (fr) Convertisseur et procédé pour amener un rapport de transformation réel en ligne avec un rapport de transformation cible
EP2208402B1 (fr) Ballast pour lampe à décharge, par exemple pour une lampe dhi
EP3993245A1 (fr) Convertisseur continu-continu pour la symétrisation d'un circuit intermédiaire

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20110804

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

17Q First examination report despatched

Effective date: 20121210

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20141023

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150520

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 738510

Country of ref document: AT

Kind code of ref document: T

Effective date: 20150815

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502010009901

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20150722

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151022

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151023

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151123

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151122

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502010009901

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: LU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20151019

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20160425

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151031

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151019

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 738510

Country of ref document: AT

Kind code of ref document: T

Effective date: 20151019

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151019

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20101019

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20150722

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231025

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231023

Year of fee payment: 14

Ref country code: DE

Payment date: 20231017

Year of fee payment: 14