EP1370119A2 - Multi-channel dimmer - Google Patents

Multi-channel dimmer Download PDF

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Publication number
EP1370119A2
EP1370119A2 EP03010437A EP03010437A EP1370119A2 EP 1370119 A2 EP1370119 A2 EP 1370119A2 EP 03010437 A EP03010437 A EP 03010437A EP 03010437 A EP03010437 A EP 03010437A EP 1370119 A2 EP1370119 A2 EP 1370119A2
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EP
European Patent Office
Prior art keywords
power
dimmer
channel dimmer
power stages
channel
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Granted
Application number
EP03010437A
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German (de)
French (fr)
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EP1370119B1 (en
EP1370119A3 (en
Inventor
Thomas Dipl.-Ing. Schlicher
Stefan Dipl.-Ing. Ulbrich
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ABB AG Germany
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ABB Patent GmbH
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Priority claimed from DE10247333A external-priority patent/DE10247333A1/en
Application filed by ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP1370119A2 publication Critical patent/EP1370119A2/en
Publication of EP1370119A3 publication Critical patent/EP1370119A3/en
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Publication of EP1370119B1 publication Critical patent/EP1370119B1/en
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    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources

Definitions

  • the invention relates to a multi-channel dimmer, so an electronic dimmer, the has several power levels.
  • DE 197 38 857 A1 discloses a modular dimmer system which has a master dimmer and at least one slave dimmer. These dimmer modules are on the output side parallel switchable. Such a dimmer system is executable by means of Dimmer modules, which are shown and described in the Busch-Jaeger catalog 2001 are. There is a REG universal central dimmer (Item No. 6593-102) is shown, the corresponds to the master dimmer, as well as a REG power dimmer (Article No. 6594-101), which corresponds to the slave dimmer.
  • the known dimmer modules are independent Devices each with its own housing and power unit including associated Heatsink and external connections.
  • the central dimmer additionally contains a control device for controlling the power parts of all dimmer modules.
  • An automatic largely even load distribution on parallel Power components is the use of power transistors by their thermal Behavior achieved.
  • the dimmer modules of the known dimmer system are only by means of electrical Connecting cables connected to each other.
  • the heat sinks are in each module designed for its maximum power.
  • the invention is based on the object, a multi-channel dimmer specify that produced with reduced effort and / or more flexible is.
  • Flexible usability is understood to mean that the multichannel dimmer both for individual control or group control of a larger number of Consumers should be suitable for small power, as well as to control a single Consumer or less consumer with high performance.
  • the multichannel dimmer according to the invention accordingly has a number of n power stages on, wherein the power stages with a common heat sink thermal coupled and for an optional load-side parallel connection of at least two the power stages are set up and wherein the input side connected in parallel Power stages connected to the total load current supplying input stage are, wherein the input stage is a device for current limiting due having a thermal monitoring.
  • An essential advantage of the proposed multi-channel dimmer is that the - z. B. on the basis of specifications by the standardization selected - cooling capacity the common for all power levels (channels) heat sink for loss heat dissipation can be used from only one or more power levels. Depending on Choice of the number n and the electric power of the power stages, can with a very small number of different dimmer types a wide range of applications be covered. This simplifies production, warehousing, sales and application of the dimmer. A currently typical normative overall performance of the dimmer is 1000 W in non-professional facilities.
  • each of the power levels is their controllable power devices are designed to meet the specified, control the overall performance of the multi-channel dimmer by the cooling power can. As a result, highest application flexibility is ensured in a simple manner. A parallel connection of power levels is not required. It goes without saying that in this variant means for individual control of the individual power levels must be present. These can be part of a compact device which includes both power levels and controllers, or external ones Controls, the control signals to control inputs of the multi-channel dimmer enter.
  • each the power levels with respect to their controllable power devices for a certain power preferably all levels uniform for the nth part of the specified Overall performance are designed.
  • the Dimmer performance - if necessary - focus on one or a few consumers, since a parallel connection of outputs is possible.
  • the heat sink is at both Variants should be interpreted in the same way to the specified overall performance.
  • Fig. 1 shows a block diagram of a multi-channel dimmer according to the first variant.
  • a common heat sink 2 On a common heat sink 2 are several power levels 1.1, to 1.n (Channels) arranged. Both the heat sink 2, as well as each of the power levels 1.1, to 1.n are in the example for the specified total power, z. B. 1000 W designed.
  • one load 1, 2, to n is in each case connected to the power stages connectable or connected.
  • For load sharing and current limiting due a thermal monitoring is in the power supply - from z. B. one 230V AC mains - to the power levels a common input stage 3 inserted.
  • driving means 6 To control the power levels 1.1 to 1.n are driving means 6 present, either within one for all components 1.1 to 1.n, 2, 3 common device housing 7, or outside of the device housing. 7 are arranged.
  • the power levels 1.1 to 1.n can in a known manner z. B. with Power transistors equipped, and in conjunction with the driving means 6th be set up for universal phase control and / or phase section operation.
  • the power can also - not shown in the drawing - Line connection between input stage 3 and control means 6 purpose Be provided information or control signal exchange.
  • FIG. 2 shows a block diagram of a multichannel dimmer according to the second variant, where the individual power levels 1.1 to 1.n only for a part of the total power are designed, preferably evenly to one nth of the total power.
  • the connection a load, e.g. 1.1, with higher power than the power level power possible if power stage outputs are connected in parallel by means of cable bridges 8 become.
  • the individual performance levels 1.1 to 1.n each contain one Current-limiting device.
  • the control of the power levels 1.1 to 1.n done with the interposition of a selection device 4, which is set up for it is power levels connected in parallel on the load side, e.g. 1.1 and 1.2 also on the control side to switch in parallel. Otherwise, the construction of the dimmer with the first variant.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The dimmer device has a number of power stages (1.1-1.n) thermally coupled to a common cooling body (2) and designed for optional parallel connection of at least two power stages on the load side. The power stages, which are coupled on the input side, are connected to an input stage (3) delivering the entire load current, whereby the input stage has a device for current limiting based on thermal monitoring.

Description

Die Erfindung betrifft einen Mehrkanaldimmer, also einen elektronischen Dimmer, der mehrere Leistungsstufen aufweist.The invention relates to a multi-channel dimmer, so an electronic dimmer, the has several power levels.

Aus DE 197 38 857 A1 ist ein modulares Dimmersystem bekannt, das einen Master-Dimmer und wenigstens einen Slave-Dimmer aufweist. Diese Dimmermodule sind ausgangsseitig parallelschaltbar. Ein solches Dimmersystem ist ausführbar mittels Dimmermodulen, die im Busch-Jaeger Katalog 2001 dargestellt und beschrieben sind. Dort ist ein REG-Universal-Zentraldimmer (Artikel-Nr. 6593-102) dargestellt, der dem Master-Dimmer entspricht, sowie ein REG-Leistungsdimmer (Artikel-Nr. 6594-101), der dem Slave-Dimmer entspricht. Die bekannten Dimmermodule sind eigenständige Geräte mit jeweils eigenem Gehäuse und Leistungteil einschließlich zugehörigem Kühlkörper sowie äußeren Anschlüssen. Der Zentraldimmer enthält zusätzlich eine Steuereinrichtung zur Ansteuerung der Leistungsteile aller Dimmermodule. Eine automatische weitgehend gleichmäßige Lastaufteilung auf parallel geschaltete Leistungsteile wird beim Einsatz von Leistungstransistoren durch deren thermisches Verhalten erreicht.DE 197 38 857 A1 discloses a modular dimmer system which has a master dimmer and at least one slave dimmer. These dimmer modules are on the output side parallel switchable. Such a dimmer system is executable by means of Dimmer modules, which are shown and described in the Busch-Jaeger catalog 2001 are. There is a REG universal central dimmer (Item No. 6593-102) is shown, the corresponds to the master dimmer, as well as a REG power dimmer (Article No. 6594-101), which corresponds to the slave dimmer. The known dimmer modules are independent Devices each with its own housing and power unit including associated Heatsink and external connections. The central dimmer additionally contains a control device for controlling the power parts of all dimmer modules. An automatic largely even load distribution on parallel Power components is the use of power transistors by their thermal Behavior achieved.

Die Dimmermodule des bekannten Dimmersystems sind lediglich mittels elektrischer Verbindungsleitungen miteinander verbunden. Die Kühlkörper sind in jedem Modul für dessen Maximalleistung ausgelegt. The dimmer modules of the known dimmer system are only by means of electrical Connecting cables connected to each other. The heat sinks are in each module designed for its maximum power.

Der Erfindung liegt davon ausgehend die Aufgabe zugrunde, einen Mehrkanaldimmer anzugeben, der mit verringertem Aufwand herstellbar und/oder flexibler einsetzbar ist. Unter flexibler Einsetzbarkeit wird dabei verstanden, daß der Mehrkanaldimmer sowohl zur Einzelsteuerung oder Gruppensteuerung einer größeren Anzahl von Verbrauchern kleiner Leistung geeignet sein soll, als auch zur Steuerung eines einzigen Verbrauchers oder weniger Verbraucher mit hoher Leistung.The invention is based on the object, a multi-channel dimmer specify that produced with reduced effort and / or more flexible is. Flexible usability is understood to mean that the multichannel dimmer both for individual control or group control of a larger number of Consumers should be suitable for small power, as well as to control a single Consumer or less consumer with high performance.

Diese Aufgabe wird durch einen Mehrkanaldimmer gelöst, der die im Anspruch 1 angegebenen Merkmale aufweist. Vorteilhafte Ausgestaltungen sind in weiteren Ansprüchen angegeben.This object is achieved by a multi-channel dimmer, which specified in claim 1 Features. Advantageous embodiments are in further claims specified.

Der erfindungsgemäße Mehrkanaldimmer weist demnach eine Anzahl n Leistungsstufen auf, wobei die Leistungsstufen mit einem gemeinsamen Kühlkörper thermisch gekoppelt und für eine optionale lastseitige Parallelschaltung von mindestens zwei der Leistungsstufen eingerichtet sind und wobei die eingangsseitig parallelgeschalteten Leistungsstufen mit einer den Gesamtlaststrom zuführenden Eingangsstufe verbunden sind, wobei die Eingangsstufe eine Einrichtung zur Strombegrenzung aufgrund einer thermischen Überwachung aufweist.The multichannel dimmer according to the invention accordingly has a number of n power stages on, wherein the power stages with a common heat sink thermal coupled and for an optional load-side parallel connection of at least two the power stages are set up and wherein the input side connected in parallel Power stages connected to the total load current supplying input stage are, wherein the input stage is a device for current limiting due having a thermal monitoring.

Ein wesentlicher Vorteil des vorgeschlagenen Mehrkanaldimmers besteht darin, dass die - z. B. anhand von Vorgaben durch die Standardisierung gewählte - Kühlleistung des für alle Leistungsstufen (Kanäle) gemeinsamen Kühlkörpers flexibel zur Verlustwärmeabfuhr aus nur einer oder mehreren Leistungsstufen einsetzbar ist. Je nach Wahl der Anzahl n und der elektrischen Leistung der Leistungsstufen, kann mit einer sehr kleinen Anzahl unterschiedlicher Dimmertypen ein breites Anwendungsspektrum abgedeckt werden. Dadurch vereinfachen sich Produktion, Lagerhaltung, Vertrieb und Anwendung des Dimmers. Eine derzeit typische normative Gesamtleistung des Dimmers beträgt 1000 W in nicht professionellen Anlagen.An essential advantage of the proposed multi-channel dimmer is that the - z. B. on the basis of specifications by the standardization selected - cooling capacity the common for all power levels (channels) heat sink for loss heat dissipation can be used from only one or more power levels. Depending on Choice of the number n and the electric power of the power stages, can with a very small number of different dimmer types a wide range of applications be covered. This simplifies production, warehousing, sales and application of the dimmer. A currently typical normative overall performance of the dimmer is 1000 W in non-professional facilities.

Bei einer vorgeschlagenen ersten Variante ist jede der Leistungsstufen bezüglich ihrer steuerbaren Leistungsbauelemente so ausgelegt, dass sie die spezifizierte, durch die Kühlleistung bestimmte Gesamtleistung des Mehrkanaldimmers steuern kann. Dadurch ist auf einfache Weise höchste Anwendungs-Flexibilität gewährleistet. Eine Parallelschaltung von Leistungsstufen ist nicht erforderlich. Es versteht sich, daß bei dieser Variante Mittel zur individuellen Ansteuerung der einzelnen Leistungsstufen vorhanden sein müssen. Diese können Bestandteil eines Kompaktgerätes sein, das sowohl die Leistungsstufen als auch Steuereinrichtungen enthält, oder externe Steuerungen sein, die Steuersignale an Steuereingängen des Mehrkanaldimmers eingeben.In a proposed first variant, each of the power levels is their controllable power devices are designed to meet the specified, control the overall performance of the multi-channel dimmer by the cooling power can. As a result, highest application flexibility is ensured in a simple manner. A parallel connection of power levels is not required. It goes without saying that in this variant means for individual control of the individual power levels must be present. These can be part of a compact device which includes both power levels and controllers, or external ones Controls, the control signals to control inputs of the multi-channel dimmer enter.

Möglicherweise kostengünstiger ist eine zweite vorgeschlagene Variante, bei der jede der Leistungsstufen bezüglich ihrer steuerbaren Leistungsbauelemente für eine bestimmte Leistung, vorzugsweise alle Stufen einheitlich für den n-ten Teil der spezifizierten Gesamtleistung ausgelegt sind. Auch bei dieser Variante lässt sich die Dimmerleistung - bei Bedarf - auf einen oder wenige Verbraucher konzentrieren, da eine Parallelschaltung von Ausgängen ermöglicht ist. Der Kühlkörper ist bei beiden Varianten in gleicher Weise auf die spezifizierte Gesamtleistung auszulegen.Possibly cheaper is a second proposed variant in which each the power levels with respect to their controllable power devices for a certain power, preferably all levels uniform for the nth part of the specified Overall performance are designed. Also in this variant, the Dimmer performance - if necessary - focus on one or a few consumers, since a parallel connection of outputs is possible. The heat sink is at both Variants should be interpreted in the same way to the specified overall performance.

Eine weitere Erläuterung der Erfindung erfolgt nachstehend anhand von Ausführungsbeispielen, die in Zeichnungsfiguren dargestellt sind.A further explanation of the invention is given below on the basis of exemplary embodiments, which are shown in drawing figures.

Es zeigen:

Fig. 1
ein Blockschema eines Mehrkanaldimmers gemäß der ersten Variante, und
Fig. 2
ein Blockschema eines Mehrkanaldimmers gemäß der zweiten Variante.
Show it:
Fig. 1
a block diagram of a multi-channel dimmer according to the first variant, and
Fig. 2
a block diagram of a multi-channel dimmer according to the second variant.

Fig. 1 zeigt ein Blockschema eines Mehrkanaldimmers gemäß der ersten Variante. Auf einem gemeinsamen Kühlkörper 2 sind mehrere Leistungsstufen 1.1, bis 1.n (Kanäle) angeordnet. Sowohl der Kühlkörper 2, wie auch jede der Leistungsstufen 1.1, bis 1.n sind im Beispiel für die spezifizierte Gesamtleistung, z. B. 1000 W ausgelegt. An die Leistungsstufen ist im dargestellten Beispiel jeweils eine Last 1, 2, bis n anschließbar oder angeschlossen. Zur Lastaufteilung und Strombegrenzung aufgrund einer thermischen Überwachung ist in der Stromzuleitung - aus z. B. einem 230V-Wechselspannungsnetz - zu den Leistungsstufen eine gemeinsame Eingangsstufe 3 eingefügt. Zur Ansteuerung der Leistungsstufen 1.1, bis 1.n sind Ansteuerungsmittel 6 vorhanden, die entweder innerhalb eines für alle Komponenten 1.1 bis 1.n, 2, 3 gemeinsamen Gerätegehäuses 7, oder außerhalb des Gerätegehäuses 7 angeordnet sind.Fig. 1 shows a block diagram of a multi-channel dimmer according to the first variant. On a common heat sink 2 are several power levels 1.1, to 1.n (Channels) arranged. Both the heat sink 2, as well as each of the power levels 1.1, to 1.n are in the example for the specified total power, z. B. 1000 W designed. In the example shown, one load 1, 2, to n is in each case connected to the power stages connectable or connected. For load sharing and current limiting due a thermal monitoring is in the power supply - from z. B. one 230V AC mains - to the power levels a common input stage 3 inserted. To control the power levels 1.1 to 1.n are driving means 6 present, either within one for all components 1.1 to 1.n, 2, 3 common device housing 7, or outside of the device housing. 7 are arranged.

Die Leistungsstufen 1.1 bis 1.n können in bekannter Weise z. B. mit Leistungstransistoren ausgestattet, und in Verbindung mit den Ansteuerungsmitteln 6 für universellen Phasenanschnitt- und/oder Phasenabschnittbetrieb eingerichtet sein. Z. B. zur Leistungsbegrenzung kann auch eine - in der Zeichnung nicht dargestellte - Leitungsverbindung zwischen Eingangsstufe 3 und Ansteuerungsmitteln 6 zwecks Informations- oder Steuersignalaustausch vorgesehen sein.The power levels 1.1 to 1.n can in a known manner z. B. with Power transistors equipped, and in conjunction with the driving means 6th be set up for universal phase control and / or phase section operation. For example, to limit the power can also - not shown in the drawing - Line connection between input stage 3 and control means 6 purpose Be provided information or control signal exchange.

Fig. 2 zeigt ein Blockschema eines Mehrkanaldimmers gemäß der zweiten Variante, wobei die einzelnen Leistungsstufen 1.1 bis 1.n nur für einen Teil der Gesamtleistung ausgelegt sind, vorzugsweise gleichmäßig auf ein n-tel der Gesamtleistung. Der Anschluß einer Last, z. B. 1.1, mit höherer Leistung als der Leistungsstufen-Leistung ist möglich, wenn Leistungsstufen-Ausgänge mittels Leitungsbrücken 8 parallel geschaltet werden. Die einzelnen Leistungsstufen 1.1 bis 1.n enthalten jeweils eine Strombegrenzungseinrichtung. Die Ansteuerung der Leistungsstufen 1.1 bis 1.n erfolgt unter Zwischenschaltung einer Selektionseinrichtung 4, die dafür eingerichtet ist, lastseitig parallelgeschaltete Leistungsstufen, z.B. 1.1 und 1.2 auch ansteuerungsseitig parallel zu schalten. Ansonsten stimmt der Aufbau des Dimmers mit der ersten Variante überein.2 shows a block diagram of a multichannel dimmer according to the second variant, where the individual power levels 1.1 to 1.n only for a part of the total power are designed, preferably evenly to one nth of the total power. The connection a load, e.g. 1.1, with higher power than the power level power possible if power stage outputs are connected in parallel by means of cable bridges 8 become. The individual performance levels 1.1 to 1.n each contain one Current-limiting device. The control of the power levels 1.1 to 1.n done with the interposition of a selection device 4, which is set up for it is power levels connected in parallel on the load side, e.g. 1.1 and 1.2 also on the control side to switch in parallel. Otherwise, the construction of the dimmer with the first variant.

Claims (5)

Mehrkanaldimmer, der eine Anzahl n Leistungsstufen (1.1 bis 1.n) aufweist, wobei die Leistungsstufen (1.1 bis 1.n) mit einem gemeinsamen Kühlkörper (2) thermisch gekoppelt und für eine optionale lastseitige Parallelschaltung von mindestens zwei der Leistungsstufen (1.1 bis 1.n) eingerichtet sind, dadurch gekennzeichnet. dass die eingangsseitig parallelgeschalteten Leistungsstufen (1.1 bis 1.n) mit einer den Gesamtlaststrom zuführenden Eingangsstufe (3) verbunden sind, wobei die Eingangsstufe (3) eine Einrichtung zur Strombegrenzung aufgrund einer thermischen Überwachung aufweist.Multi-channel dimmer, which has a number of n power levels (1.1 to 1.n), the power stages (1.1 to 1.n) thermally coupled to a common heat sink (2) and for an optional load-side parallel connection of at least two of the power levels (1.1 to 1 .n), characterized. in that the power stages (1.1 to 1.n) connected in parallel on the input side are connected to an input stage (3) supplying the total load current, the input stage (3) having a device for limiting the current due to thermal monitoring. Mehrkanaldimmer nach Anspruch 1, dadurch gekennzeichnet, dass jede der Leistungsstufen (1.1 bis 1.n) für die maximale Gesamtleistung des Mehrkanaldimmers ausgelegt ist, die durch Standardisierungsvorgaben und/oder entsprechend dem Wärmeableitvermögen des Kühlkörpers (2) gewählt ist.Multi-channel dimmer according to claim 1, characterized in that each of the power stages (1.1 to 1.n) is designed for the maximum total power of the multi-channel dimmer, which is selected by Standardisierungsvorgaben and / or according to the Wärmeableitvermögen of the heat sink (2). Mehrkanaldimmer nach Anspruch 1, dadurch gekennzeichnet, dass jede der Leistungsstufen (1.1 bis 1.n) für eine bestimmte Leistung, vorzugsweise für den n-ten Teil der maximalen Gesamtleistung des Mehrkanaldimmers ausgelegt ist, die durch das Wärmeableitvermögen des Kühlkörpers (2) begrenzt ist.Multi-channel dimmer according to claim 1, characterized in that each of the power stages (1.1 to 1.n) is designed for a certain power, preferably for the nth part of the maximum total power of the multi-channel dimmer, which is limited by the heat dissipation capability of the heat sink (2) , Mehrkanaldimmer nach Anspruch 3, dadurch gekennzeichnet, dass die Leistungsstufen (1.1 bis 1.n) unter Zwischenschaltung einer Selektionseinrichtung (4) angesteuert sind, wobei die Selektionseinrichtung (4) dafür eingerichtet ist, lastseitig parallelgeschaltete Leistungsstufen (1.1 bis 1.n) auch ansteuerungsseitig parallel zu schalten.Multi-channel dimmer according to claim 3, characterized in that the power stages (1.1 to 1.n) are driven with the interposition of a selection means (4), wherein the selection means (4) is adapted for load side parallel power stages (1.1 to 1.n) also the control side to switch in parallel. Mehrkanaldimmer nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass seine Komponenten (1.1 bis 1.n, 2, 3, 4) einschließlich Ansteuermitteln (6) in einem gemeinsamen Gerätegehäuse (7) angeordnet sind.Multi-channel dimmer according to one of the preceding claims, characterized in that its components (1.1 to 1.n, 2, 3, 4) including driving means (6) in a common device housing (7) are arranged.
EP03010437A 2002-06-06 2003-05-09 Multi-channel dimmer Expired - Lifetime EP1370119B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10225004 2002-06-06
DE10225004 2002-06-06
DE10247333 2002-10-10
DE10247333A DE10247333A1 (en) 2002-06-06 2002-10-10 Multichannel dimmer

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EP1370119A2 true EP1370119A2 (en) 2003-12-10
EP1370119A3 EP1370119A3 (en) 2006-12-27
EP1370119B1 EP1370119B1 (en) 2010-07-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006013518B3 (en) * 2006-03-23 2007-09-27 Siemens Ag Multi-channel dimmer has multiple dimmer unit, which has control unit and power stage accessed by control unit, control unit of selected dimmer unit take check mode, in which selected dimmer unit functions as master dimmer

Citations (3)

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Publication number Priority date Publication date Assignee Title
US5352958A (en) 1992-11-19 1994-10-04 Cunningham David W Lighting control system dimmer module with plug-in electrical contacts
EP0901313A2 (en) 1997-09-05 1999-03-10 ABBPATENT GmbH Dimmersystem
WO2000028792A2 (en) 1998-11-09 2000-05-18 Lightech Electronics Industries Ltd. Electronic transformer for lighting

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Publication number Priority date Publication date Assignee Title
US4675777A (en) * 1984-12-13 1987-06-23 General Electric Company Temperature-responsive circuit for load control apparatus
JPS6461997A (en) * 1987-09-02 1989-03-08 Yokogawa Electric Corp Cooling structure for redundant power supply
DE4231060A1 (en) * 1992-09-17 1994-03-24 Abb Patent Gmbh Electronic dimming method and dimmer for carrying out the method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5352958A (en) 1992-11-19 1994-10-04 Cunningham David W Lighting control system dimmer module with plug-in electrical contacts
EP0901313A2 (en) 1997-09-05 1999-03-10 ABBPATENT GmbH Dimmersystem
DE19738857A1 (en) 1997-09-05 1999-04-15 Abb Patent Gmbh Dimmer system
WO2000028792A2 (en) 1998-11-09 2000-05-18 Lightech Electronics Industries Ltd. Electronic transformer for lighting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006013518B3 (en) * 2006-03-23 2007-09-27 Siemens Ag Multi-channel dimmer has multiple dimmer unit, which has control unit and power stage accessed by control unit, control unit of selected dimmer unit take check mode, in which selected dimmer unit functions as master dimmer

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EP1370119B1 (en) 2010-07-07
EP1370119A3 (en) 2006-12-27

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