EP1978787A1 - Interface for lamp operating devices with low standby losses - Google Patents
Interface for lamp operating devices with low standby losses Download PDFInfo
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- EP1978787A1 EP1978787A1 EP08160677A EP08160677A EP1978787A1 EP 1978787 A1 EP1978787 A1 EP 1978787A1 EP 08160677 A EP08160677 A EP 08160677A EP 08160677 A EP08160677 A EP 08160677A EP 1978787 A1 EP1978787 A1 EP 1978787A1
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- operating device
- signals
- lamp operating
- input
- interface
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- 238000011156 evaluation Methods 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
Definitions
- the present invention relates generally to interfaces for lamp operating devices, such as electronic ballasts for gas discharge lamps.
- the invention further relates to lamp operating devices with such interfaces and to methods for controlling a lamp operating device by means of an interface.
- Such interfaces are used for example in connection with the so-called DALI (D igital A dress able L ightening I nterface) over industry.
- DALI D igital A dress able L ightening I nterface
- Fig. 7 discloses an example of an interface to which signals from a push button / switch or digital signals from a bus can be selectively applied.
- a connected electronic ballast can be switched on or off, for example, by pressing a button.
- a setpoint for a brightness control can be achieved by a corresponding time duration of the push-button operation, since the connected evaluation logic of the interface converts the duration of the push-button operation into a setpoint signal for the electronic ballast (ECG).
- ECG electronic ballast
- a galvanic isolating element 4 such as an optocoupler provided.
- the digital signals supplied, for example, from a bus are transmitted via this galvanic separating element 4 to the evaluation logic 3, which is thus located behind the galvanic separating element 4 as seen from the bus.
- the evaluation logic 3 since the evaluation logic 3 must respond to incoming signals from the terminals of the interface 12 out immediately, there is the problem in the prior art that the lamp operating device can never be turned off completely, otherwise the evaluation logic would be switched off with.
- the evaluation logic must therefore be constantly supplied with mains voltage 15, which is reflected in corresponding standby losses (power that drops in standby mode).
- FIG. 7 schematically shows how the power / voltage supply 27 for the evaluation logic 3 in the ballast 13 by means of an AC / DC converter 16 to the mains voltage supply 15 of the ballast 13th recourse. Furthermore, in the ballast 13 is still schematically the inverter 17, the output driver for the lamp (s) 4 and the bidirectionally communicating with the evaluation logic 3 lamp control / regulation 19 can be seen.
- Standby losses are at odds with the enormous efforts that have been made lately in energy saving in the lamp industry.
- the WO 02/082618 A1 which shows a way to reduce standby losses in a DALI interface.
- a DALI processor is placed in a standby mode when no signals are transmitted on the connected DALI bus. Otherwise shows Fig. 3 of the WO 02/082618 A1 an example of the generally prevailing trend that the Ausretelogik seen from the DALI bus behind the galvanic separating element (insulation 310 in Fig. 3 ) must be arranged.
- control units which are provided for controlling consumers assigned to them.
- the possibility of brightness control of lamps is opened up by the control units respectively generating a control signal corresponding to the desired brightness between 0 and 10 volts, which is then converted by a lamp operating device connected downstream of the control unit for operating a lamp.
- a lamp operating device connected downstream of the control unit for operating a lamp.
- the configuration of the required for converting the control signal 0-10 volt interface is not described in detail.
- the present invention now has the object to reduce the standby losses in an interface for a lamp operating device.
- an interface for a lamp operating device which has at least one input-side connection for a bus line or for connection to a pushbutton or switch. Furthermore, an evaluation logic is provided for processing signals applied to the input-side connection and for generating output-side signals for controlling the lamp operating device.
- a galvanic isolating element galvanically decouples the at least one input-side connection from the output of the interface to which a lamp operating device can be connected.
- the evaluation logic is arranged on that side of the galvanic separation element which faces the input-side connection. In other words, as seen from a connected bus from now is now the evaluation logic in front of the galvanic separation element.
- evaluation logic can be designed independently of the (arranged behind the galvanic separating element) lamp operating device, so that for example the lamp operating device can be switched off partially or completely and the evaluation logic can still be put into a mode, enabling immediate processing of incoming signals on the bus.
- the evaluation logic can accordingly be designed to switch off a connected lamp operating device at least partially (eg only the inverter).
- the evaluation logic can be designed to transmit commands to the connected lamp operating device by means of the galvanic separating element, by means of which commands the lamp operating device can be separated from the mains voltage.
- the lamp operating device may be separable from the mains, for example, by means of a relay or an optocoupler-controlled triac.
- the evaluation logic can be designed to transmit control values to the connected lamp operating device by means of the same and / or by means of a separate galvanic separating element.
- control values for example, set values for a lamp brightness control
- the galvanic isolating element can be designed to transmit in bidirectional manner also signals from a connected lamp operating device to the input-side terminals and optionally a bus connected thereto.
- signals are, for example, status information from the connected lamp operating device, which can represent actual values or even errors.
- a high-level signal is applied to the input-side terminals.
- this high-level signal is used to supply power to the evaluation logic. This would be obviously not possible if, as in the prior art, the Ausretelogik considered from the bus behind the galvanic separation element.
- the invention can also be applied to systems in which a low-level signal is applied to the input-side terminals in the idle state (in which no signals are thus transmitted via the bus).
- the evaluation logic is activated so quickly when changing the bus to a high level signal that certainly the first bits of the incoming digital signal can be detected.
- an interface for a lamp operating device such as an ECG for a gas discharge lamp
- has an evaluation logic which is supplied by at least one input-side signal terminal of the interface with voltage.
- a lamp operating device is provided with such an interface.
- the invention also proposes a method for controlling a lamp operating device by means of an interface, in which, for example, via a bus incoming signals first processed, for example, by a Ausretelogik and converted into control signals for a lamp operating device before being transmitted by means of a galvanic separating element to the lamp operating device become.
- the conversion of the incoming signals is thus carried out before the transfer of the converted control commands via the Galvanic separator.
- control signals are applied to at least one input-side terminal 1, 2 of an interface circuit 12 according to the invention.
- connection 1, 2 for a bus line pair or a button / switch are shown, it should be emphasized that the present invention can also be applied to the interface for connecting a single signal line.
- the control signals can be, for example, digital signals (for example according to the DALI standard) or signals from a pushbutton / switch.
- an evaluation logic 3 is provided which converts the control signals supplied to the input-side terminals 1, 2 into control signals for a ballast electronics 13. These already converted control signals are transmitted from the evaluation logic 3 via a galvanic coupling, for example.
- the ballast electronics 13 is supplied in a known manner with mains voltage 15.
- the evaluation logic 3 is not supplied by means of the mains voltage supply 15 of the operating device (ballast here), but via the input-side terminals 1, 2 (for example, bus lines) with energy.
- the evaluation logic 3 is therefore independent of the power supply of the operating device with respect to their power supply.
- the evaluation logic 3 according to the invention is thus part of the interface 3 and no longer part of the operating device 13 as in the prior art.
- the evaluation logic 3 may, for example, be designed as an ASIC, microcontroller or DSP.
- the evaluation logic 3 is designed so that it is activated only when a change of the bus line to a high level signal by this voltage (wake-up), which Activation is sufficiently fast to ensure a secure detection of the first bit of the incoming digital signal.
- Fig. 2 shows in a detailed view, the interface circuit 12 with the evaluation logic 3 and the galvanic coupling 4.
- the ballast electronics 13, however, is in this Fig. 2 (as also explained in the following Fig. 3 ) not described further.
- a high-level signal is known to be applied to the input-side terminals 1, 2 of the interface circuit 12 at rest, so that this high-level signal is used by means of a constant current source 5 (impressed current) and a diode 7 as the power supply 8 for the evaluation logic 3 can be.
- the evaluation logic 3 detects by means of a voltage divider to the input-side terminals 1, 2 applied control signals (in the DALI standard, for example, the edges of the digital signals), it implements according to a logic implemented in the evaluation logic 3 in control signals and supplies these output control signals 23 to the galvanic separator 4, which according to the embodiment of FIGS. 2 and 3 is designed as an optocoupler.
- the galvanic separator 4 which according to the embodiment of FIGS. 2 and 3 is designed as an optocoupler.
- other galvanic separating elements such as transformers, etc., are conceivable.
- the embodiment of Fig. 3 differs from the according to Fig. 2 in that the interface 12 is formed overall as a bidirectional interface. That is, in the galvanic isolation element 4, a first branch 10 for transmitting signals or commands to a connected operating device and a second branch 9 for retransmission of signals or commands from a connected operating device to the terminals 1, 2 are provided.
- the evaluation logic 3 is also supplied with input signals 25 from the galvanic isolating element 4, the evaluation logic 3 now converting these signals 25 into, for example, digital bus signals 24 and driving a bus driver 11 with these output signals.
- the output signals from the bus driver 11 can then be transmitted by means of the terminals 1, 2, for example, to a connected bus line.
- the evaluation logic 3 of the input-side terminals 1, 2 of the interface 12 seen from arranged in front of the galvanic separation element 4 and thus is a genuine part of the interface 12. Furthermore, it should be noted that the evaluation logic 3 is not based on the mains voltage supply 15 of the operating device 13, but starting from the signal input terminals 1, 2 of the interface 12 is supplied with voltage.
- the galvanic coupling 4 may be formed as optocoupler-controlled triac, which can separate the entire ballast electronics 13 from the mains voltage 15 depending on the control by the evaluation logic 3. In this case fall in the ballast 13 in standby mode no more losses.
- ballast 13 eg the inverter
- the ballast electronics 13 is in 4 and 5 is shown only schematically and includes in particular an AC / DC converter 16, a DC / HF inverter 17 (for example, a half-bridge circuit), an output driver circuit 18 and a lamp control 19, for example, the lamp parameters (current, voltage, etc.) detects and Depending on this detection according to a control algorithm, the setpoint for the high frequency and / or the DC bus voltage (DC link voltage) 26 pretends and, for example, the switching frequency of the inverter 17 sets accordingly.
- Fig. 5 The embodiment according to Fig. 5 is opposite to that of Fig. 4 extended to the effect that the evaluation logic 3 (known in 4 and 5 not shown) not only controls a galvanic isolating element 4 for switching on / off the mains voltage 15 for the ballast electronics 13, but also about the same or as in Fig. 5 shown, a separate galvanic separating element 20 control values (for example, set values) for the lamp control 19 and other signals transmitted.
- the galvanic isolating element 20 (in the exemplary embodiment, an optocoupler) may be designed to be bidirectional and, in addition to the first transmission branch 22 for the manipulated variables, also have a feedback branch 21 for status information and / or error messages from the lamp control 19 or others To transfer components of the ballast electronics 13 via the branch 21 of the galvanic isolator 20 to the evaluation logic 3, so that these corresponding digital signals (24 in accordance with Fig. 3 ) can output at the terminals 1, 2 of the interface 12.
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Abstract
Description
Die vorliegende Erfindung bezieht sich allgemein auf Schnittstellen für Lampenbetriebsgeräte, wie beispielsweise elektronische Vorschaltgeräte für Gasentladungslampen. Die Erfindung bezieht sich weiterhin auf Lampenbetriebsgeräte mit solchen Schnittstellen sowie auf Verfahren zur Ansteuerung eines Lampenbetriebsgeräts mittels einer Schnittstelle.The present invention relates generally to interfaces for lamp operating devices, such as electronic ballasts for gas discharge lamps. The invention further relates to lamp operating devices with such interfaces and to methods for controlling a lamp operating device by means of an interface.
Mittels derartiger Schnittstellen wird es möglich, Signale von einem Bus bzw. einem mit der Netzspannung verbundenen Taster oder Schalter zu einem Lampenbetriebsgerät hin zu übertragen. Dabei ist in der Schnittstelle üblicherweise eine Auswertelogik vorgesehen, die die an den Eingängen der Schnittstelle anliegenden digitalen oder analogen Signale in Steuersignale für das Lampenbetriebsgerät umsetzt. Die der Schnittstelle zugeführten Signale können dabei Befehle (Sollwerte für Stellwerte etc.), aber auch Zustandsinformationen wiedergeben. Insbesondere wenn eine bidirektionale Schnittstelle vorgesehen ist, können Zustandsinformationen von dem Lampenbetriebsgerät zu einem an die Schnittstelle angeschlossenen Bus hin übertragen werden.By means of such interfaces it becomes possible to transmit signals from a bus or a switch or switch connected to the mains voltage to a lamp operating device. In this case, an evaluation logic is usually provided in the interface, which converts the present at the inputs of the interface digital or analog signals into control signals for the lamp operating device. The signals supplied to the interface can reproduce commands (setpoints for manipulated variables, etc.) as well as status information. In particular, when a bidirectional interface is provided, state information may be transmitted from the lamp operating device to a bus connected to the interface.
Derartige Schnittstellen werden beispielsweise im Zusammenhang mit dem sogenannten DALI (Digital Adressable Lightening Interface)-Industriestandard verwendet.Such interfaces are used for example in connection with the so-called DALI (D igital A dress able L ightening I nterface) over industry.
Aus der
Wie in
Die Standby-Verluste stehen im Widerspruch zu den enormen Bemühungen, die in Sachen Energieeinsparung in der Lampentechnik in letzter Zeit unternommen wurden. Als ein Beispiel sei dabei die
Aus der
Die vorliegende Erfindung stellt sich nunmehr die Aufgabe, die Standby-Verluste in einer Schnittstelle für ein Lampenbetriebsgerät zu verringern.The present invention now has the object to reduce the standby losses in an interface for a lamp operating device.
Diese Aufgabe wird durch die Merkmale der unabhängigen Ansprüche gelöst. Die abhängigen Ansprüche bilden den zentralen Gedanken der Erfindung in besonders vorteilhafter Weise weiter.This object is solved by the features of the independent claims. The dependent claims further form the central idea of the invention in a particularly advantageous manner.
Gemäß einem ersten Aspekt der Erfindung ist also eine Schnittstelle für ein Lampenbetriebsgerät vorgesehen, die wenigstens einen eingangsseitigen Anschluss für eine Busleitung oder zur Verbindung mit einem Taster bzw. Schalter aufweist. Weiterhin ist eine Auswertelogik zur Verarbeitung von an dem eingangsseitigen Anschluss anliegenden Signalen und zur Erzeugung von ausgangsseitigen Signalen zur Ansteuerung des Lampenbetriebsgeräts vorgesehen. Ein galvanisches Trennelement entkoppelt galvanisch den wenigstens einen eingangsseitigen Anschluss von dem Ausgang der Schnittstelle, an dem ein Lampenbetriebsgerät angeschlossen werden kann. Gemäß diesem Aspekt der Erfindung ist die Auswertelogik auf derjenigen Seite des galvanischen Trennelements angeordnet, die dem eingangsseitigen Anschluss zugewandt ist. Mit anderen Worten, beispielsweise von einem angeschlossenen Bus aus gesehen befindet sich nunmehr die Auswertelogik vor dem galvanischen Trennelement. Dies hat ganz allgemein den Vorteil, daß die Auswertelogik hinsichtlich ihrer Energieversorgung unabhängig von dem (hinter dem galvanischen Trennelement angeordneten) Lampenbetriebsgerät ausgelegt werden kann, so daß beispielsweise das Lampenbetriebsgerät teilweise oder völlig abgeschaltet werden kann und die Auswertelogik dennoch in einen Modus versetzt werden kann, der eine unverzügliche Verarbeitung von an dem Bus eingehenden Signalen ermöglicht.According to a first aspect of the invention, therefore, an interface for a lamp operating device is provided which has at least one input-side connection for a bus line or for connection to a pushbutton or switch. Furthermore, an evaluation logic is provided for processing signals applied to the input-side connection and for generating output-side signals for controlling the lamp operating device. A galvanic isolating element galvanically decouples the at least one input-side connection from the output of the interface to which a lamp operating device can be connected. According to this aspect of the invention, the evaluation logic is arranged on that side of the galvanic separation element which faces the input-side connection. In other words, as seen from a connected bus from now is now the evaluation logic in front of the galvanic separation element. This has quite generally the advantage that the evaluation logic can be designed independently of the (arranged behind the galvanic separating element) lamp operating device, so that for example the lamp operating device can be switched off partially or completely and the evaluation logic can still be put into a mode, enabling immediate processing of incoming signals on the bus.
Die Auswertelogik kann dementsprechend dazu ausgelegt sein, ein angeschlossenes Lampenbetriebsgerät wenigstens teilweise (z.B. nur der Wechselrichter) abzuschalten. Dadurch, daß das Lampenbetriebsgerät nunmehr zumindest teilweise abgeschaltet werden kann (und dennoch garantiert ist, daß eingehende Signale von der Busleitung unverzüglich ausgewertet werden können, ohne daß die zuerst eingehenden Signale nicht erkannt werden) können Standby-Verluste im Lampenbetriebsgerät verringert werden.The evaluation logic can accordingly be designed to switch off a connected lamp operating device at least partially (eg only the inverter). The fact that the lamp operating device can now be at least partially switched off (and still guaranteed is that incoming signals from the bus line can be evaluated immediately without the first incoming signals are not recognized) standby losses can be reduced in the lamp operating device.
Insbesondere kann die Auswertelogik dazu ausgelegt sein, mittels des galvanischen Trennelements Befehle an das angeschlossene Lampenbetriebsgerät zu übermitteln, durch welche Befehle das Lampenbetriebsgerät von der Netzspannung trennbar ist. Das Lampenbetriebsgerät kann beispielsweise mittels eines Relais oder eines Optokoppler-gesteuerten Triacs vom Netz trennbar sein.In particular, the evaluation logic can be designed to transmit commands to the connected lamp operating device by means of the galvanic separating element, by means of which commands the lamp operating device can be separated from the mains voltage. The lamp operating device may be separable from the mains, for example, by means of a relay or an optocoupler-controlled triac.
Die Auswertelogik kann dabei dazu ausgelegt sein, mittels desselben und/oder mittels eines separaten galvanischen Trennelements Stellwerte an das angeschlossene Lampenbetriebsgerät zu übermitteln. Mit anderen Worten, falls die Möglichkeit der völligen Netztrennung für das Lampenbetriebsgerät vorgesehen ist, können die entsprechenden Befehle für diese Funktion über dieselbe galvanische Trennung oder auch über ein separates galvanisches Trennelement, wie die Stellwertbefehle (beispielsweise Sollwerte für eine Lampenhelligkeitsregelung) übermittelt werden.The evaluation logic can be designed to transmit control values to the connected lamp operating device by means of the same and / or by means of a separate galvanic separating element. In other words, if the possibility of complete mains disconnection for the lamp operating device is provided, the corresponding commands for this function via the same galvanic isolation or via a separate galvanic separator, such as the manipulated variable commands (for example, set values for a lamp brightness control) can be transmitted.
Im übrigen kann das galvanische Trennelement dazu ausgelegt sein, in bidirektionaler Weise auch Signale von einem angeschlossenen Lampenbetriebsgerät an die eingangsseitigen Anschlüsse und gegebenenfalls einen daran angeschlossenen Bus zu übermitteln. Derartige Signale sind beispielsweise Zustandsinformationen von dem angeschlossenen Lampenbetriebsgerät, die Istwerte oder aber auch Fehler darstellen können.Moreover, the galvanic isolating element can be designed to transmit in bidirectional manner also signals from a connected lamp operating device to the input-side terminals and optionally a bus connected thereto. Such signals are, for example, status information from the connected lamp operating device, which can represent actual values or even errors.
Im Ruhezustand, in dem keine Signale übertragen werden, liegt beispielsweise gemäß dem DALI-Standard an den eingangsseitigen Anschlüssen ein Hochpegel-Signal an. Gemäß der Erfindung wird dieses Hochpegel-Signal zur Energieversorgung der Auswertelogik ausgenutzt. Dies wäre offensichtlich nicht möglich, wenn sich wie beim Stand der Technik die Auswertelogik vom Bus aus betrachtet hinter dem galvanischen Trennelement befindet.In the idle state in which no signals are transmitted, for example, according to the DALI standard, a high-level signal is applied to the input-side terminals. According to the invention, this high-level signal is used to supply power to the evaluation logic. This would be obviously not possible if, as in the prior art, the Auswertelogik considered from the bus behind the galvanic separation element.
Indessen läßt sich die Erfindung auch auf Systeme anwenden, bei denen im Ruhezustand (in dem also keine Signale über den Bus übertragen werden) an den eingangsseitigen Anschlüssen ein Niedrigpegel-Signal anliegt. In diesem Fall wird die Auswertelogik bei einem Wechsel des Bus auf ein Hochpegel-Signal so schnell aktiviert, daß sicher auch die ersten Bits des eingehenden Digitalsignals detektiert werden können.Meanwhile, the invention can also be applied to systems in which a low-level signal is applied to the input-side terminals in the idle state (in which no signals are thus transmitted via the bus). In this case, the evaluation logic is activated so quickly when changing the bus to a high level signal that certainly the first bits of the incoming digital signal can be detected.
Gemäß einem weiteren Aspekt der vorliegenden Erfindung ist eine Schnittstelle für ein Lampenbetriebsgerät, wie beispielsweise eine EVG für eine Gasentladungslampe vorgesehen, das eine Auswertelogik aufweist, die mittels wenigstens eines eingangsseitigen Signalanschlusses der Schnittstelle mit Spannung versorgt wird. Dieser Anschluss hat somit eine Doppelfunktion.According to a further aspect of the present invention, an interface for a lamp operating device, such as an ECG for a gas discharge lamp is provided which has an evaluation logic, which is supplied by at least one input-side signal terminal of the interface with voltage. This connection thus has a double function.
Gemäß einem weiteren Aspekt der Erfindung ist ein Lampenbetriebsgerät mit einer derartigen Schnittstelle vorgesehen.According to a further aspect of the invention, a lamp operating device is provided with such an interface.
Schließlich schlägt die Erfindung auch ein Verfahren zur Ansteuerung eines Lampenbetriebsgeräts mittels einer Schnittstelle vor, bei dem beispielsweise über eine Busleitung eingehende Signale zuerst beispielsweise durch eine Auswertelogik verarbeitet und in Steuersignale für ein Lampenbetriebsgerät umgesetzt werden, bevor sie mittels eines galvanischen Trennelements zu dem Lampenbetriebsgerät hin übermittelt werden. Die Umsetzung der eingehenden Signale erfolgt also vor der Übertragung der umgesetzten Steuerbefehle über das galavanische Trennelement.Finally, the invention also proposes a method for controlling a lamp operating device by means of an interface, in which, for example, via a bus incoming signals first processed, for example, by a Auswertelogik and converted into control signals for a lamp operating device before being transmitted by means of a galvanic separating element to the lamp operating device become. The conversion of the incoming signals is thus carried out before the transfer of the converted control commands via the Galvanic separator.
Weitere Merkmale, Vorteile und Eigenschaften der vorliegenden Erfindung werden aus der nunmehr folgenden detaillierten Beschreibung eines Ausführungsbeispiels und unter Bezugnahme auf die Figuren der begleitenden Zeichnungen ersichtlich.
- Fig. 1
- zeigt dabei eine schematische Ansicht einer erfindungsgemäßen Schnittstelle für ein Lampenbetriebsgerät,
- Fig. 2
- zeigt einen Ausschnitt von
Fig. 1 , nämlich die Schnittstellenschaltung mit Auswertelogik sowie die galvanische Kopplung für den Fall einer unidirektionalen Schnittstelle, - Fig. 3
- zeigt einen Ausschnitt vergleichbar zu
Fig. 2 , aber für eine bidirektionale Schnittstelle, - Fig. 4
- zeigt einen Ausschnitt von
Fig. 1 , nämlich die galvanische Kopplung sowie schematisch die Vorschaltgerät-Elektronik für ein Ausführungsbeispiel der Erfindung, bei dem die Vorschaltgerät-Elektronik lediglich vom Netz getrennt werden kann, - Fig. 5
- zeigt eine Darstellung vergleichbar zu
Fig. 4 , allerdings für ein Ausführungsbeispiel, bei dem über eine zusätzliche galvanische Kopplung einerseits Stellwerte für eine Lampensteuerung/-regelung und andererseits Rückmeldungen von der Vorschaltgerät-Elektronik übertragen werden können, und - Fig. 6
- und
Fig. 7 zeigen Schnittstellen, von denen die vorliegende Erfindung ausgeht.
- Fig. 1
- shows a schematic view of an inventive interface for a lamp operating device,
- Fig. 2
- shows a section of
Fig. 1 namely, the interface circuit with evaluation logic and the galvanic coupling in the case of a unidirectional interface, - Fig. 3
- shows a section comparable to
Fig. 2 but for a bidirectional interface, - Fig. 4
- shows a section of
Fig. 1 namely, the galvanic coupling and schematically the ballast electronics for an embodiment of the invention in which the ballast electronics can only be disconnected from the mains, - Fig. 5
- shows a representation comparable to
Fig. 4 However, for an embodiment in which via an additional galvanic coupling on the one hand control values for a lamp control / regulation and on the other hand feedback from the ballast electronics can be transmitted, and - Fig. 6
- and
Fig. 7 show interfaces from which the present invention proceeds.
Wie in
Auch wenn in den Ausführungsbeispielen zwei Anschlüsse 1,2 für ein Busleitungspaar oder einen Taster/Schalter gezeigt sind, ist zu betonen, dass sich die vorliegende Erfindung auch auf Schnittstelle zum Anschluss einer einzigen Signalleitung anwenden lässt.Although in the exemplary embodiments two
Die Steuersignale können beispielsweise digitale Signale (bspw. gemäß dem DALI-Standard) oder Signale von einem Taster/Schalter sein. In der Schnittstellenschaltung 12 ist eine Auswertelogik 3 vorgesehen, die die an den eingangsseitigen Anschlüssen 1, 2 zugeführten Steuersignale in Ansteuersignale für eine Vorschaltgerät-Elektronik 13 umsetzt. Diese bereits umgesetzten Steuersignale werden von der Auswertelogik 3 über eine galvanische Kopplung, bspw. einen Optokoppler 4 oder einen Übertrager, zu der Vorschaltgerät-Elektronik 13 hin übertragen, wobei die Vorschaltgerät-Elektronik 13 dann wiederum eine oder mehrere Lampen 14 entsprechend ansteuert. Die Vorschaltgerät-Elektronik 13 wird in bekannter Weise mit Netzspannung 15 versorgt.The control signals can be, for example, digital signals (for example according to the DALI standard) or signals from a pushbutton / switch. In the
Dagegen wird gemäß diesem Ausführungsbeispiel die Auswertelogik 3 nicht mittels der Netzspannungsversorgung 15 des Betriebsgeräts (hier Vorschaltgerät), sondern über die eingangsseitigen Anschlüsse 1, 2 (beispielsweise Busleitungen) mit Energie versorgt. Die Auswertelogik 3 ist somit hinsichtlich ihrer Spannungsversorgung unabhängig von der Spannungsversorgung des Betriebsgeräts.In contrast, according to this embodiment, the
Die Auswertelogik 3 gemäss der Erfindung ist somit Teil der Schnittstelle 3 und nicht mehr wie beim Stand der Technik Teil des Betriebsgeräts 13.The
Die Auswertelogik 3 kann bspw. als ASIC, Microcontroller oder DSP ausgeführt sein.The
Dabei ist einerseits der Fall möglich, daß im Ruhezustand des Busses (beispielsweise beim DALI-Standard), in dem keine Signale über die Busleitung übertragen werden, an den eingangsseitigen Anschlüssen 1, 2 ein Hochpegel-Signal anliegt (beispielsweise +10 v), das somit eine Spannungsversorgung für die Auswertelogik 3 bildet.In this case, on the one hand the case is possible that in the idle state of the bus (for example, the DALI standard), in which no signals are transmitted via the bus, to the input-
Wenn im Ruhezustand des Busses keine Spannung an den eingangsseitigen Anschlüssen 1, 2 anliegt, ist die Auswertelogik 3 so ausgeführt, daß sie unverzüglich bei einem Wechsel der Busleitung auf ein Hochpegel-Signal durch diesen Spannung erst aktiviert wird (wake-up), wobei diese Aktivierung ausreichend schnell erfolgt, um eine sichere Erfassung des ersten Bits des eingehenden Digitalsignals zu gewährleisten.If no voltage at the input-
Wie in
Beim DALI-Standard liegt bekanntlich im Ruhezustand ein Hochpegel-Signal an den eingangsseitigen Anschlüssen 1, 2 der Schnittstellenschaltung 12 an, so daß dieses Hochpegel-Signal mittels einer Konstantstromquelle 5 (eingeprägter Strom) und einer Diode 7 als Stromversorgung 8 für die Auswertelogik 3 verwendet werden kann.In the DALI standard, a high-level signal is known to be applied to the input-
Im übrigen erfaßt die Auswertelogik 3 mittels eines Spannungsteilers die an den eingangsseitigen Anschlüssen 1, 2 anliegenden Steuersignale (beim DALI-Standard beispielsweise die Flanken der digitalen Signale), setzt sie gemäß einer in der Auswertelogik 3 implementierten Logik in Steuersignale um und führt diese Ausgangs-Steuersignale 23 dem galvanischen Trennelement 4 zu, das gemäß dem Ausführungsbeispiel von
Das Ausführungsbeispiel von
Festzuhalten ist also, daß gemäß den Ausführungsbeispielen von
Bezugnehmend auf
Wie in
Selbstverständlich kann auch vorgesehen sein, dass im Standby-Betrieb nur Teile des Vorschaltgeräts 13 (bspw. der Wechselrichter) abgeschaltet werden.Of course, it can also be provided that in standby mode only parts of the ballast 13 (eg the inverter) are switched off.
Die Vorschaltgerät-Elektronik 13 ist in
Das Ausführungsbeispiel gemäß
Darüber hinaus oder alternativ kann das galvanische Trennelement 20 (im Ausführungsbeispiel ein Optokoppler) bidirektional ausgeführt sein und neben dem ersten Übertragungszweig 22 für die Stellwerte auch einen Feedback-Zweig 21 aufweisen, um Zustandsinformationen und/oder Fehlermeldungen von der Lampensteuerung/-regelung 19 oder anderen Bauteilen der Vorschaltgerät-Elektronik 13 über den Zweig 21 des galvanischen Trennelements 20 zu der Auswertelogik 3 hin zu übertragen, so daß diese entsprechende digitale Signale (24 gemäß
Claims (14)
dass im Ruhezustand, in dem keine Signale übertragen werden, an den eingangsseitigen Anschlüssen ein Hochpegel-Signal anliegt, das die Auswertelogik (3) mit Energie versorgt.Interface for a lamp operating device (13), comprising
that in the idle state, in which no signals are transmitted, a high-level signal is present at the input-side terminals, which supplies the evaluation logic (3) with energy.
dadurch gekennzeichnet,
dass im Ruhezustand, in dem keine Signale übertragen werden, an den eingangsseitigen Anschlüssen ein Niedrigpegel-Signal anliegt und die Auswertelogik (3) durch einen Wechsel auf ein Hochpegel-Signal aktivierbar ist.Interface according to claim 1,
characterized,
that in idle state in which no signals are transmitted to the input-side terminals a low level signal is applied and the evaluation logic unit (3) by a switch to a high-level signal can be activated is.
dadurch gekennzeichnet,
dass die Auswertelogik (3) dazu ausgelegt ist, ein angeschlossenes Lampenbetriebsgerät (13) wenigstens teilweise abzuschalten.Interface according to claim 1 or 2,
characterized,
in that the evaluation logic (3) is designed to at least partially switch off a connected lamp operating device (13).
dadurch gekennzeichnet,
dass das Lampenbetriebsgeräts (13) mittels eines Relais oder eines optokoppler-gesteuerten Triacs vom Netz trennbar ist.Interface according to claim 3,
characterized,
in that the lamp operating device (13) can be disconnected from the mains by means of a relay or an optocoupler-controlled triac.
dadurch gekennzeichnet,
dass die Auswertelogik (13) dazu ausgelegt ist, mittels desselben und/oder mittels eines separaten galvanischen Trennelements (4) Stellwerte an das angeschlossene Lampenbetriebsgerät (13) zu übermitteln.Interface according to one of the preceding claims,
characterized,
in that the evaluation logic (13) is designed to transmit control values to the connected lamp operating device (13) by means of the same and / or by means of a separate galvanic isolating element (4).
dadurch gekennzeichnet,
dass das galvanische Trennelement (4) dazu ausgelegt ist, in bidirektionaler Weise auch Signale von einem angeschlossenen Lampenbetriebsgerät (13) an die eingangsseitigen Anschlüsse und ggf. an einen daran angeschlossenen Bus zu übermitteln.Interface according to one of the preceding claims,
characterized,
in that the galvanic isolating element (4) is designed to also transmit in a bidirectional manner signals from a connected lamp operating device (13) to the input-side terminals and possibly to a bus connected thereto.
wobei im Ruhezustand, in dem keine Signale übertragen werden, an den eingangsseitigen Anschlüssen (1, 2) ein Niedrigpegel-Signal anliegt und die Auswertelogik (3) durch einen Wechsel auf ein Hochpegel-Signal aktiviert wird.Method for controlling a lamp operating device via an interface (12), comprising the following steps:
wherein in the idle state, in which no signals are transmitted to the input side terminals (1, 2) is present a low level signal and the evaluation logic (3) activated by a change to a high level signal becomes.
dadurch gekennzeichnet,
dass mittels eines galvanischen Trennelements (4) Signale oder Befehle an das angeschlossene Lampenbetriebsgerät (13) übermittelt werden, durch das dieses von der Netzspannung (15) getrennt wird.Method according to claim 10,
characterized,
that by means of a galvanic isolating element (4) signals or commands are transmitted to the connected lamp operating device (13), by which this is separated from the mains voltage (15).
dadurch gekennzeichnet,
dass das Lampenbetriebsgeräts (13) mittels eines Relais oder eines optokoppler-gesteuerten Triacs vom Netz getrennt wird.Method according to claim 11,
characterized,
that the lamp operating device (13) by means of a relay or an optocoupler controlled triac is disconnected from the network.
dadurch gekennzeichnet,
dass mittels des galvanischen Trennelements (4) Stellwerte an das angeschlossene Lampenbetriebsgerät (13) übermittelt werden.Method according to one of claims 11 or 12,
characterized,
that control values are transmitted to the connected lamp operating device (13) by means of the galvanic isolating element (4).
dadurch gekennzeichnet,
dass Signale von einem angeschlossenen Lampenbetriebsgerät (13) an die eingangsseitigen Anschlüsse (1, 2) und ggf. an einen daran angeschlossenen Bus übermittelt werden.Method according to one of claims 11 to 13,
characterized,
in that signals are transmitted from a connected lamp operating device (13) to the input-side terminals (1, 2) and possibly to a bus connected thereto.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10329876.2A DE10329876B4 (en) | 2003-07-02 | 2003-07-02 | Interface for a lamp operating device with low standby losses and method for driving a lamp operating device via such an interface |
EP04740212A EP1639866B1 (en) | 2003-07-02 | 2004-06-23 | Interface for lamp operating units with low standby losses |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP04740212A Division EP1639866B1 (en) | 2003-07-02 | 2004-06-23 | Interface for lamp operating units with low standby losses |
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EP1978787A1 true EP1978787A1 (en) | 2008-10-08 |
EP1978787B1 EP1978787B1 (en) | 2014-08-27 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP04740212A Expired - Lifetime EP1639866B1 (en) | 2003-07-02 | 2004-06-23 | Interface for lamp operating units with low standby losses |
EP08160677.4A Expired - Lifetime EP1978787B1 (en) | 2003-07-02 | 2004-06-23 | Interface for lamp operating devices with low standby losses |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP04740212A Expired - Lifetime EP1639866B1 (en) | 2003-07-02 | 2004-06-23 | Interface for lamp operating units with low standby losses |
Country Status (10)
Country | Link |
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US (1) | US7705546B2 (en) |
EP (2) | EP1639866B1 (en) |
CN (1) | CN1817067B (en) |
AT (1) | ATE406082T1 (en) |
AU (1) | AU2004300553B2 (en) |
BR (1) | BRPI0412227A (en) |
DE (2) | DE10329876B4 (en) |
RU (1) | RU2327307C2 (en) |
WO (1) | WO2005004552A1 (en) |
ZA (1) | ZA200510431B (en) |
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- 2004-06-23 EP EP04740212A patent/EP1639866B1/en not_active Expired - Lifetime
- 2004-06-23 DE DE502004007903T patent/DE502004007903D1/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
RU2327307C2 (en) | 2008-06-20 |
AU2004300553A1 (en) | 2005-01-13 |
EP1639866B1 (en) | 2008-08-20 |
DE502004007903D1 (en) | 2008-10-02 |
ZA200510431B (en) | 2007-03-28 |
RU2006102952A (en) | 2006-06-27 |
CN1817067A (en) | 2006-08-09 |
WO2005004552A1 (en) | 2005-01-13 |
US20070138974A1 (en) | 2007-06-21 |
EP1978787B1 (en) | 2014-08-27 |
DE10329876B4 (en) | 2016-06-02 |
EP1639866A1 (en) | 2006-03-29 |
DE10329876A1 (en) | 2005-01-20 |
AU2004300553B2 (en) | 2010-11-18 |
ATE406082T1 (en) | 2008-09-15 |
US7705546B2 (en) | 2010-04-27 |
CN1817067B (en) | 2010-09-22 |
BRPI0412227A (en) | 2006-08-22 |
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