EP2346305A2 - Dimmable power supply with internal dimming characteristic curve - Google Patents

Dimmable power supply with internal dimming characteristic curve Download PDF

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Publication number
EP2346305A2
EP2346305A2 EP11163203A EP11163203A EP2346305A2 EP 2346305 A2 EP2346305 A2 EP 2346305A2 EP 11163203 A EP11163203 A EP 11163203A EP 11163203 A EP11163203 A EP 11163203A EP 2346305 A2 EP2346305 A2 EP 2346305A2
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EP
European Patent Office
Prior art keywords
operating device
dimming
values
internal
dimming values
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Granted
Application number
EP11163203A
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German (de)
French (fr)
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EP2346305B1 (en
EP2346305A3 (en
Inventor
Michael Zimmermann
Michael Hartmann
Andreas John
Falk Richter
Mathias DÜNSER
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Tridonic GmbH and Co KG
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Tridonic GmbH and Co KG
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Application filed by Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Priority to PL11163203T priority Critical patent/PL2346305T3/en
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Publication of EP2346305A3 publication Critical patent/EP2346305A3/en
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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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback

Definitions

  • the present invention relates to a dimmable operating device for lighting means, which may be, for example, light emitting diodes or gas discharge lamps.
  • dimming values For the instruction of control commands to dimmable operating devices of a lighting system many of the lighting systems used today use an example.
  • DALI or DSI standard standardized bus system by the u.a. external dimming values can be transmitted.
  • the control units required for driving the individual lamps internally convert these values into dimming values, for example using conversion tables, which represent the actual stages of the brightness control of the connected lamps and the possibly higher-resolution control values (eg 16-bit quantized control values) than the external ones Dimming values represent.
  • An operating device with a constant current source as a driver circuit for driving a multi-LED LED module is in DE 20 2004 006 292 U1 disclosed.
  • the driver circuit is connected to the LED module via a total of three channels, two of which serve to power the LED module with a pulse width modulated in dimming power supply voltage and designed as a digital interface third channel ("module detection channel") for unidirectional or bidirectional transmission digital operating parameters and / or calibration data between LED module and driver circuit is used, so that the driver circuit can adjust to this. This allows the operation of different types of LED modules with the same driver circuit under the same operating conditions.
  • EP 1 135 005 A2 a controllable via a digital data interface circuit for dimming light sources of a lighting system is described which has suitable means for generating a dependent of a predetermined setpoint control signal for controlling the brightness of the light sources and means for adjusting the control signal to different light source types.
  • an electronic ballast for operating a gas discharge lamp which comprises a memory device in which are stored by a control device retrievable operating parameters.
  • the present invention is the object of proposing a flexible design of a dimmable control device for lighting.
  • the task defined in the previous section is achieved by means of an operating device for illuminants, which has an interface via which external dimming values can be fed to the operating device.
  • the operating device converts these supplied external dimming values into internal dimming values on the basis of which the connected lamps are controlled.
  • the internal dimming values are at least as high and optionally higher than the external dimming values.
  • the operating device is designed so that the conversion of the external dimming values into the internal dimming values is programmable.
  • the operating device can in particular also be designed so that the aforementioned implementation is programmable with regard to its dynamics. It can be provided that it is programmable, by which temporal transition behavior (linear, logarithmic or exponential time course, etc.) an internal dimming value assigned to an external dimming value is achieved.
  • the assignment ("mapping") of an internal dimming value to be controlled in the stationary state to an external dimming value can also be programmed.
  • the resolution of the internal dimming values need not be higher than that of the external dimming values.
  • the light-emitting means can be, for example, a single light-emitting diode or an LED module comprising a plurality of light-emitting diodes, wherein the stationary assignment of an internal dimming value to an external dimming value results in production tolerances the LED (s) compensated.
  • the operating device may have a flash memory in which the programmable conversion of the external dimming values is stored in internal dimming values.
  • a maximum dimming value limitation below 100% can be selectively defined, which can be selectively switched on and / or canceled by an external command.
  • the internal dimming values can be divided between the range 0% and the dimming value limitation so that there is a maximum resolution of dimming values in this range.
  • the operating device can have several outputs for controlling lamps, with the internal dimming characteristics being individually programmable for each of these outputs.
  • the outputs can thereby illuminate bulbs, for example. LEDs, different colors.
  • the present invention also relates to a method for compensating manufacturer-specific tolerances of driven by an operating device LEDs, the external dimming values are supplied.
  • the method according to the invention comprises the step of programming the aforementioned dimming value conversion.
  • the invention further relates to a method for configuring an operating device for lighting means to which external dimming values are supplied, wherein the supplied external dimming values are converted into internal dimming values, on the basis of which the control of the connected lighting means takes place.
  • the internal dimming values are higher as the external dimming values. After measuring the light characteristic of the light source this is recalibrated by subsequent programming of a conversion of the external dimming into internal dimming.
  • the implementation can be programmed in terms of their dynamics, i. E. It can be programmed by which temporal transition behavior an internal dimming value assigned to an external dimming value is achieved.
  • the invention may provide for providing to the operating device value assignment tables for converting external dimming values into internal dimming values via a bus system with the aid of a communication protocol based on the DALI standard, in order to optimally trim the control unit to the light source or to adapt the shape of the dimming characteristic individually.
  • this method allows manufacturers of LED modules to take into account and compensate for device-specific tolerances of different LED modules when calibrating the dimming characteristic to a new LED module, thereby providing a simple and cost-effective way of delivering LED modules with uniform dimming behavior.
  • Fig. 1 is a schematic representation of a dimming circuit with a dimmable operating device BG sketched according to the present invention, which is used to control a light source LM with a power control variable StG ' via a power actuator TB called "drive".
  • the luminous means may be, for example, a gas discharge lamp, an LED or an LED module, consisting of an array of several light-emitting diodes LED 1 to LED N connected in series, individually or in groups in parallel.
  • the invention can be used in conjunction with any dimmable bulb.
  • the power control element TB to which a control input required for dimming the lamp LM can be supplied via a control input connected to the operating device BG, can comprise, for example, a phase control dimmer, a controllable constant current source, an adjustable supply voltage, an inverter with adjustable clock frequency f T or a pulse width modulator PWM, via which the duty cycle d of a generated by the operating device BG, the lighting means LM in the form of a pulse width modulated control signal supplied periodic rectangular current is varied.
  • the frequency f LM of an alternating current required to operate the light source LM the current intensity of an alternating or direct current I LM serving to supply the light source LM, or the voltage level U LM a serving for power supply of the light source LM supply voltage can be used.
  • This in Fig. 1 shown operating device BG in this case has an interface over which the operating device BG required for dimming of the lamp LM external command variable FG (in Fig. 1 referred to as “external dimming values”) can be fed. These external dimming values are converted to internal via a data converter LMK in the operating device BG Dimming values of a control variable StG implemented on the basis of the control of the power actuator TB.
  • the operating device BG accesses, for example, a value assignment table (stored in a memory unit of the data converter LMK) Fig. 1 referred to as "adjustment table”), from which pre-stored, linear, logarithmic, exponential or otherwise interpolated intermediate values of a dimming characteristic required for dimming the luminous means LM can be taken.
  • the range of values of these support values is given e.g. is delimited by two straight lines running parallel to the time axis of a dimming level-time diagram, wherein the lower limit of the value range is formed by the current actual value of a preset dimming level and the upper limit of the value range can be predetermined by a programming signal PS supplied to the data converter LMK (or vice versa).
  • the data converter LMK calculates interpolated intermediate values for the time characteristic of the dimming characteristic curve for the abovementioned reference values and activates the power actuator TB with the values obtained in this case.
  • the reference values stored in the non-volatile memory of the data converter LMK can be recalibrated via the above-mentioned programming signal PS.
  • the programming signal is transmitted separately to a bus interface and / or via the same bus interface, via which, after programming, the external dimming values are transmitted to the operating device.
  • the circuit described above, as shown in FIG Fig. 1 outlines, further comprising an optional return line 1, via which the operating device BG at least one of the power of the light emitting power parameter of the light source LM is supplied as the actual value of the controlled variable RG, and another optional return line 2, via which the power control variable StG 'is supplied to the operating device BG,
  • the luminous flux ⁇ LM to be emitted by the luminous means LM in the dimming operation is intended to input the above-mentioned power control variable StG '.
  • Fig. 2a is a schematic diagram of a lighting system shown, which comprises a control device StE and a controlled via an operating device BG illuminant, which is, for example, a gas discharge lamp or, as in Fig. 2a Outlined to act as an LED module.
  • BG illuminant which is, for example, a gas discharge lamp or, as in Fig. 2a Outlined to act as an LED module.
  • the control device StE and the operating device BG are connected via digital interfaces IF 1 and IF 2 to a bus line BL, for the transmission of operating parameters and possibly also programming data between the control device StE and the operating device BG is used.
  • the power supply of the LED module via the connected to a power supply U e operating device BG.
  • a supply voltage of the LED module can serve a DC voltage, which is provided via a storage capacitor C and the bus line BL is connected via an output DC_OUT of the operating device BG as a bus voltage U bus .
  • the control device StE has not only a serving for power supply with U bus input DC_IN via a programming data output PROG_OUT, via a programming signal U prog which for setting a user definable Dimmlevels or to select a specific Dimmkennlinienverlaufs (eg linear, logarithmic, exponential etc.) can be transmitted in digitized form via the digital bus interface IF 2 of the control device StE.
  • U prog which for setting a user definable Dimmlevels or to select a specific Dimmkennlinienverlaufs (eg linear, logarithmic, exponential etc.) can be transmitted in digitized form via the digital bus interface IF 2 of the control device StE.
  • the programming signal U Prog is supplied to the operating device BG via a control signal input PROG_IN, and passed to a designated as "LED converter” data converter.
  • the latter calculates interpolated intermediate values for the course of time of a dimming characteristic curve required for dimming the LEDs and uses the values obtained to control a pulse width modulator PWM integrated in the operating device BG, via which the duty ratio d of a generated by the operating device BG LED driver circuit in the form of a pulse width modulated control signal U PWM supplied periodic rectangular current is varied.
  • the dimming characteristic runs within a limited by two parallel to the time axis of a dimming level-time line straight lines whose lower limit is formed by the current actual value of a preset dimming and its upper limit by the programming signal U prog is specified (or vice versa).
  • the interpolated intermediate values may also be obtained from e.g. in a read-only memory of the LED converter stored value assignment table, which assigns the lying within the value range support points depending on the specification of the user previously calculated, linear, logarithmic, exponential or otherwise interpolated intermediate values.
  • the support values stored in the flash EEPROM can be recalibrated via the abovementioned programming signal U Prog of the control device StE, bpsw. to minimize or compensate for manufacturer-specific tolerances of the driven by the LED driver circuit LEDs LED 1 to LED N of the LED module.
  • the aforementioned basic values are read out of the flash EEPROM and switched to a data transmission channel of the bus line BL via a data output READ_OUT of the operating device BG and its digital bus interface IF 1 , so that they are sent to the control device StE via their digital Bus interface IF 2 and a data input READ_IN are accessible.
  • Fig. 2b is a circuit variant of the in Fig. 2a sketched lighting system with a brightness control circuit LRK for automatic adjustment of a definable via the output voltage U setpoint of a setpoint generator SWG dimming levels.
  • the controlled system of this brightness control loop LRK is taking on by the reference Fig. 2a described, via the digital bus interface IF 1 connected to the bus line BL operating device BG and a controlled via the operating device BG bulb formed, which in turn, for example, a gas discharge lamp or, as in Fig. 2b sketched to an LED module, consisting of an array of several series-connected LEDs LED 1 to LED N , is, which is controlled via a connected to the output of the operating device BG LED driver circuit.
  • a manipulated variable U prog is required, which of a Programming data output PROG_OUT a connected via a digital bus interface IF 2 (eg a DALI interface) to the bus line BL digital control and RSE delivered in digital form via their digital bus interface IF 2 switched to a data transmission channel of the bus line BL and then to the digital Bus interface IF 1 of the operating device BG is transmitted to the programming data input PROG_IN.
  • a digital bus interface IF 2 eg a DALI interface
  • the control and regulating device RSE is a sensor data input DATA_IN on by a controlled variable U Reg reproduced measured value supplied, which is, for example, the current actual value of one of the light emitting diodes LED 1 to LED N of the LED module or a subset of these LEDs illuminated effective area A caused by the incident luminous flux ⁇ LM Illuminance E , the of a light-sensitive detector of a via a further digital bus interface IF 3 (eg a DALI interface) also connected to the bus line BL light sensor module LSM is detected.
  • a controlled variable U Reg reproduced measured value supplied which is, for example, the current actual value of one of the light emitting diodes LED 1 to LED N of the LED module or a subset of these LEDs illuminated effective area A caused by the incident luminous flux ⁇ LM Illuminance E , the of a light-sensitive detector of a via a further digital bus interface IF 3 (eg a DALI interface) also connected to the bus line BL light sensor module LSM
  • a phototransistor T Ph whose collector current (photocurrent) is proportional to the illuminance E caused by the emitted light radiation of the LEDs on the aforementioned effective area A and thus provides a measure of the brightness of this radiation, acts as the light sensor.
  • the power supply of the light sensor module LSM takes place here as well as the power supply of the control and RSE and the LED module via the serving as bus voltage U bus DC link voltage U V of the operating device BG, the two first-mentioned system components each have a designated "DC_IN" bus voltage input is supplied.
  • the output signal U Reg of the light sensor module LSM which is, for example, a voltage proportional to the photocurrent amplified by a measuring amplifier, is fed via a sensor data output DATA_OUT to the digital bus interface IF 3 of the light sensor module LSM and transmitted in digitized form via the bus line BL and the digital bus interface IF 2 of the control and regulating device RSE to the sensor data input DATA_IN.
  • the control and regulating device RSE provides then dependent on the voltage applied to the aforementioned sensor data input DATA_IN control variable U Reg and with the help of the setpoint generator SWG via a trim resistor R V or a potentiometer and adjustable via another data input of the control and RSE presettable command value U target (setpoint) for in Dimming operation of the LED module to be generated radiation power, expressed by the setpoint ⁇ LM , is to be emitted by the LED module in the dimming mode luminous flux ⁇ LM , the above-mentioned manipulated variable U prog .
  • Upon detection of a control deviation between the reference variable U soll and control value U Reg generates an appropriate control variable U Prog through which the aforesaid deviation is at least approximately compensated.
  • a dimming characteristic curve (eg linear, logarithmic, exponential, etc.) predefinable by the user can be selected from a menu displayed via an integrated display of the control device StE.
  • the control signal required for this purpose is connected in digitized form via the digital bus interface IF 2 of the control device StE to a further data transmission channel of the bus line BL. After transmission via the bus line BL, the control signal is supplied to the operating device BG via the aforementioned programming signal input PROG_IN and directed to the LED converter.
  • the interpolated intermediate values can alternatively be taken from an example in a read-only memory of the LED converter value assignment table, which calculated the lying within the value range support points depending on the user's specification in advance, linear, logarithmic, exponential or otherwise assigns interpolated intermediate values.
  • the stored in the flash EEPROM support values can be recalibrated via the control signal of the control and RSE device to manufacturer-specific tolerances of the operating device BG, the LED driver circuit and / or by the LED driver circuit controlled LEDs of the LED module to minimize or compensate.
  • the aforementioned support values are read from the flash EEPROM and connected via a data output READ_OUT the operating device BG and its digital bus interface IF 1 to a data transmission channel of the bus line BL, so that they Control and RSE device via the digital bus interface IF 2 and a data input READ_IN are accessible.
  • the present invention is not limited to lighting systems whose system components are connected via a DALI interface to a serving for power supply channel of a bus line, but that according to the invention any other suitable for transmitting digital control signals digital bus interface for this purpose can be used.
  • the illuminant used is one or more LEDs
  • the free programmability of the internal dimming characteristic can be used to match the color-specific sensitivity of the human eye. This is of particular importance when LEDs of different colors are driven in independent channels of an operating device or by several operating devices, since the human eye perceives the different colors (for example red, green, blue) differently.
  • the internal dimming characteristic for driving LEDs (or other colored lamps) of different colors can be individual and thus differently programmable.
  • RGB color mixing module for LEDs or fluorescent lamps.
  • the assignment of the colors and the individual adaptation of the internal dimming characteristic for each color can then only be done in the luminaire during the installation.
  • an artificial maximum value for a performance parameter or combinations of performance parameters are set.
  • This restriction can then be reversed from the outside and / or changed, so that, for example, later, the actually available maximum power can be released again.
  • this artificial "throttling" can also be achieved by a manual setting on the ballast.
  • the internal dimming curve can be adapted to the artificially limited maximum value: In order to continue to use finely distributed internal dimming values, all internally available dimming values are distributed to the range between 0% dimming and the artificial maximum value when the maximum value limit is set.
  • a simple embodiment may provide for programming in advance at least two characteristic curves for the mapping of the external dimming values to the internal dimming values, namely for example a division between 0% and 100% and a further division between 0% and the maximum value limitation.

Abstract

The device has a flash memory for storage of programmable conversion of external dimming values, where the device converts the external dimming values into internal dimming values in a programmed manner. The external dimming values are guided into the device using an interface. Outputs are provided for controlling illuminants of different colors based on the internal dimming values. The internal dimming values have higher resolution than the external dimming values. Independent claims are also included for the following: (1) a method of compensation of tolerances of LEDs controlled by an operating device (2) a method for configuration of an operating device.

Description

Die vorliegende Erfindung bezieht sich auf ein dimmbares Betriebsgerät für Leuchtmittel, die bspw. Leuchtdioden oder Gasentladungslampen sein können.The present invention relates to a dimmable operating device for lighting means, which may be, for example, light emitting diodes or gas discharge lamps.

Zur Anweisung von Steuerbefehlen zu dimmbaren Betriebsgeräten einer lichttechnischen Anlage verwenden viele der heute eingesetzten lichttechnischen Anlagen ein bspw. durch den DALI- bzw. DSI-Standard genormtes Bussystem, durch den u.a. externe Dimmwerte übermittelt werden können. Die zur Ansteuerung der einzelnen Leuchtmittel benötigten Steuergeräte setzen diese Werte bspw. mit Hilfe von Konvertierungstabellen intern in Dimmwerte um, die die eigentlichen Stufen der Helligkeitssteuerung der angeschlossenen Leuchtmittel darstellen und die ggf. höher aufgelöste Steuerwerte (z.B. mit 16 Bit quantisierte Steuerwerte) als die externen Dimmwerte darstellen.For the instruction of control commands to dimmable operating devices of a lighting system many of the lighting systems used today use an example. By the DALI or DSI standard standardized bus system, by the u.a. external dimming values can be transmitted. The control units required for driving the individual lamps internally convert these values into dimming values, for example using conversion tables, which represent the actual stages of the brightness control of the connected lamps and the possibly higher-resolution control values (eg 16-bit quantized control values) than the external ones Dimming values represent.

Ein Betriebsgerät mit einer Konstantstromquelle als Treiberschaltung zur Ansteuerung eines mehrere Leuchtdioden umfassenden LED-Moduls ist in DE 20 2004 006 292 U1 offenbart. Die Treiberschaltung ist dabei mit dem LED-Modul über insgesamt drei Kanäle verbunden, von denen zwei Kanäle zur Spannungsversorgung des LED-Moduls mit einer im Dimmbetrieb impulsbreitenmodulierten Versorgungsspannung dienen und ein als Digitalschnittstelle ausgebildeter dritter Kanal ("Modulkennungskanal") zur uni- oder bidirektionalen Übermittlung digitaler Betriebsparameter und/oder Kalibrierdaten zwischen LED-Modul und Treiberschaltung genutzt wird, so dass sich die Treiberschaltung auf diese einstellen kann. Dies ermöglicht das Betreiben von LED-Modulen unterschiedlicher Art mit der gleichen Treiberschaltung unter gleichen Betriebsbedingungen.An operating device with a constant current source as a driver circuit for driving a multi-LED LED module is in DE 20 2004 006 292 U1 disclosed. The driver circuit is connected to the LED module via a total of three channels, two of which serve to power the LED module with a pulse width modulated in dimming power supply voltage and designed as a digital interface third channel ("module detection channel") for unidirectional or bidirectional transmission digital operating parameters and / or calibration data between LED module and driver circuit is used, so that the driver circuit can adjust to this. This allows the operation of different types of LED modules with the same driver circuit under the same operating conditions.

In EP 1 135 005 A2 ist eine über eine digitale Datenschnittstelle steuerbare Schaltung zum Dimmen von Lichtquellen einer Beleuchtungsanlage beschrieben, welche über geeignete Mittel zur Erzeugung einer von einem vorgebbaren Sollwert abhängigen Steuersignals zur Helligkeitssteuerung der Lichtquellen sowie über Mittel zur Anpassung des Steuersignals an unterschiedliche Lichtquellenarten verfügt.In EP 1 135 005 A2 a controllable via a digital data interface circuit for dimming light sources of a lighting system is described which has suitable means for generating a dependent of a predetermined setpoint control signal for controlling the brightness of the light sources and means for adjusting the control signal to different light source types.

In DE 203 12 298 U1 ist ein elektronisches Vorschaltgerät zum Betrieb einer Gasentladungsladungslampe offenbart, welches eine Speichereinrichtung umfasst, in der von einer Steuereinrichtung abrufbare Betriebsparameter abgelegt sind.In DE 203 12 298 U1 an electronic ballast for operating a gas discharge lamp is disclosed, which comprises a memory device in which are stored by a control device retrievable operating parameters.

AUFGABE DER VORLIEGENDEN ERFINDUNGOBJECT OF THE PRESENT INVENTION

Ausgehend von dem oben genannten Stand der Technik, ist die vorliegende Erfindung der Aufgabe gewidmet, eine flexible Ausgestaltung eines dimmbaren Betriebsgeräts für Leuchtmittel vorzuschlagen.Based on the above-mentioned prior art, the present invention is the object of proposing a flexible design of a dimmable control device for lighting.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale der unabhängigen Patentansprüche gelöst. Vorteilhafte Ausführungsbeispiele, die den Gedanken der Erfindung weiterbilden, sind in den abhängigen Patentansprüchen definiert.This object is achieved by the features of the independent claims. Advantageous embodiments which further develop the idea of the invention are defined in the dependent claims.

ZUSAMMENFASSENDE DARSTELLUNG DER ERFINDUNGSUMMARY OF THE INVENTION

Die im vorhergehenden Abschnitt definierte Aufgabe wird durch ein Betriebsgerät für Leuchtmittel gelöst, das eine Schnittstelle aufweist, über die dem Betriebsgerät externe Dimmwerte zuführbar sind. Das Betriebsgerät setzt diese zugeführten externen Dimmwerte in interne Dimmwerte um, auf deren Grundlage die Ansteuerung der angeschlossenen Leuchtmittel erfolgt. Dabei sind die internen Dimmwerte wenigstens genauso hoch und optional höher aufgelöst als die externen Dimmwerte. Das Betriebsgerät ist dazu ausgelegt, dass die Umsetzung der externen Dimmwerte in die internen Dimmwerte programmierbar ist.The task defined in the previous section is achieved by means of an operating device for illuminants, which has an interface via which external dimming values can be fed to the operating device. The operating device converts these supplied external dimming values into internal dimming values on the basis of which the connected lamps are controlled. The internal dimming values are at least as high and optionally higher than the external dimming values. The operating device is designed so that the conversion of the external dimming values into the internal dimming values is programmable.

Das Betriebsgerät kann insbesondere auch dazu ausgelegt sein, dass die vorgenannte Umsetzung hinsichtlich ihrer Dynamik programmierbar ist. Dabei kann vorgesehen sein, dass programmierbar ist, durch welches zeitliche Übergangsverhalten (linearer, logarithmischer oder exponentieller Zeitverlauf etc.) ein einem externen Dimmwert zugeordneter interner Dimmwert erreicht wird.The operating device can in particular also be designed so that the aforementioned implementation is programmable with regard to its dynamics. It can be provided that it is programmable, by which temporal transition behavior (linear, logarithmic or exponential time course, etc.) an internal dimming value assigned to an external dimming value is achieved.

Erfindungsgemäß kann auch die Zuordnung ("Mapping") eines im stationären Zustand anzusteuernden internen Dimmwerts zu einem externen Dimmwert programmierbar sein. In diesem Fall muss die Auflösung der internen Dimmwerte nicht höher sein als die der externen Dimmwerte.According to the invention, the assignment ("mapping") of an internal dimming value to be controlled in the stationary state to an external dimming value can also be programmed. In this case, the resolution of the internal dimming values need not be higher than that of the external dimming values.

Das Leuchtmittel kann beispielsweise eine einzelne Leuchtdiode oder ein mehrere Leuchtdioden umfassendes LED-Modul sein, wobei die stationäre Zuordnung eines internen Dimmwerts zu einem externen Dimmwert Fertigungstoleranzen der Leuchtdiode(n) kompensiert.The light-emitting means can be, for example, a single light-emitting diode or an LED module comprising a plurality of light-emitting diodes, wherein the stationary assignment of an internal dimming value to an external dimming value results in production tolerances the LED (s) compensated.

Das Betriebsgerät kann einen Flash-Speicher aufweisen, in dem die programmierbare Umsetzung der externen Dimmwerte in interne Dimmwerte gespeichert ist.The operating device may have a flash memory in which the programmable conversion of the external dimming values is stored in internal dimming values.

Es kann selektiv eine maximale Dimmwertbeschränkung unterhalb von 100% festlegbar ist, die selektiv durch einen Befehl von Aussen einschaltbar und/oder aufhebbar ist.A maximum dimming value limitation below 100% can be selectively defined, which can be selectively switched on and / or canceled by an external command.

Die internen Dimmwerte können auf den Bereich zwischen 0% und der Dimmwertbeschränkung aufgeteilt sein, so dass eine maximale Auflösung der Dimmwerte in diesem Bereich herrscht.The internal dimming values can be divided between the range 0% and the dimming value limitation so that there is a maximum resolution of dimming values in this range.

Das Betriebsgerät kann über mehrere Ausgänge zur Ansteuerung von Leuchtmitteln verfügen, wobei die internen Dimmkennlinien individuell für jeden dieser Ausgänge programmierbar sind. Die Ausgänge können dabei Leuchtmittel, bspw. LEDs, unterschiedlicher Farbe ansteuern.The operating device can have several outputs for controlling lamps, with the internal dimming characteristics being individually programmable for each of these outputs. The outputs can thereby illuminate bulbs, for example. LEDs, different colors.

Darüber hinaus bezieht sich die vorliegende Erfindung auch auf ein Verfahren zur Kompensation herstellerspezifischer Toleranzen von durch ein Betriebsgerät angesteuerten Leuchtdioden, dem externe Dimmwerte zugeführt werden. Das Verfahren weist dabei erfindungsgemäß den Schritt der Programmierung der vorgenannten Dimmwerte-Umsetzung auf.In addition, the present invention also relates to a method for compensating manufacturer-specific tolerances of driven by an operating device LEDs, the external dimming values are supplied. The method according to the invention comprises the step of programming the aforementioned dimming value conversion.

Die Erfindung betrifft ferner ein Verfahren zur Konfiguration eines Betriebsgeräts für Leuchtmittel, dem externe Dimmwerte zugeführt werden, wobei die zugeführten externen Dimmwerte in interne Dimmwerte umgesetzt werden, auf deren Grundlage die Ansteuerung der angeschlossenen Leuchtmittel erfolgt. Die internen Dimmwerte sind dabei höher aufgelöst als die externen Dimmwerte. Nach Messung der Lichtcharakteristik des Leuchtmittels wird dieses durch anschließende Programmierung einer Umsetzung der externen Dimmwerte in interne Dimmwerte neu kalibriert.The invention further relates to a method for configuring an operating device for lighting means to which external dimming values are supplied, wherein the supplied external dimming values are converted into internal dimming values, on the basis of which the control of the connected lighting means takes place. The internal dimming values are higher as the external dimming values. After measuring the light characteristic of the light source this is recalibrated by subsequent programming of a conversion of the external dimming into internal dimming.

Die Umsetzung kann dabei hinsichtlich ihrer Dynamik programmiert werden, d.h. es kann programmiert werden, durch welches zeitliche Übergangsverhalten ein einem externen Dimmwert zugeordneter interner Dimmwert erreicht wird.The implementation can be programmed in terms of their dynamics, i. E. It can be programmed by which temporal transition behavior an internal dimming value assigned to an external dimming value is achieved.

Insbesondere kann erfindungsgemäß vorgesehen sein, dass die Zuordnung eines im stationären Zustand anzusteuernden internen Dimmwerts zu einem externen Dimmwert programmierbar ist.In particular, it can be provided according to the invention that the assignment of an internal dimming value to be triggered in the stationary state to an external dimming value can be programmed.

Die Erfindung kann vorsehen, dem Betriebsgerät Wertezuweisungstabellen zur Umsetzung externer Dimmwerte in interne Dimmwerte über ein Bussystem mit Hilfe eines auf dem DALI-Standard beruhenden Kommunikationsprotokolls bereitzustellen, um das Steuergerät optimal auf das Leuchtmittel zu trimmen bzw. die Form der Dimmkennlinie individuell anzupassen. Dieses Verfahren erlaubt es insbesondere Herstellern von LED-Modulen, gerätespezifische Toleranzen unterschiedlicher LED-Module bei einer Kalibrierung der Dimmkennlinie auf ein neues LED-Modul zu berücksichtigen und auszugleichen, wodurch eine einfache und kostengünstige Möglichkeit gegeben ist, LED-Module mit einheitlichem Dimmverhalten auszuliefern.The invention may provide for providing to the operating device value assignment tables for converting external dimming values into internal dimming values via a bus system with the aid of a communication protocol based on the DALI standard, in order to optimally trim the control unit to the light source or to adapt the shape of the dimming characteristic individually. In particular, this method allows manufacturers of LED modules to take into account and compensate for device-specific tolerances of different LED modules when calibrating the dimming characteristic to a new LED module, thereby providing a simple and cost-effective way of delivering LED modules with uniform dimming behavior.

KURZBESCHREIBUNG DER ZEICHNUNGENBRIEF DESCRIPTION OF THE DRAWINGS

Weitere Eigenschaften, Vorteile und Zweckmäßigkeiten der vorliegenden Erfindung werden nunmehr, Bezug nehmend auf die beigefügten Zeichnungen, anhand einer detaillierten Beschreibung der Ausführungsbeispiele vorliegender Erfindung erläutert. Es zeigt

Fig. 1
eine schematische Darstellung einer Dimmschaltung mit einem dimmbaren Betriebsgerät gemäß vorliegender Erfindung,
Fig. 2a
eine Prinzipskizze eines lichttechnischen Systems nach einem Ausführungsbeispiel der vorliegenden Erfindung, umfassend eine Steuerungseinrichtung und ein über ein Betriebsgerät angesteuertes LED-Modul, welche an eine Busleitung angeschlossen sind, die zur Übermittlung von Betriebsparametern und Programmierdaten zwischen der Steuerungseinrichtung und dem Betriebsgerät dient, und
Fig. 2b
eine Variante des in Fig. 2a skizzierten lichttechnischen Systems mit einem Helligkeitsregelkreis zur automatischen Einstellung eines über einen Sollwert vorgebbaren Dimmlevels.
Other features, advantages and advantages of the present invention will now become apparent from a detailed description taken with reference to the accompanying drawings of the embodiments of the present invention explained. It shows
Fig. 1
a schematic representation of a dimming circuit with a dimmable operating device according to the present invention,
Fig. 2a
a schematic diagram of a lighting system according to an embodiment of the present invention, comprising a control device and a controlled via an operating device LED module, which are connected to a bus line, which serves for the transmission of operating parameters and programming data between the control device and the operating device, and
Fig. 2b
a variant of in Fig. 2a sketched lighting system with a brightness control loop for automatically setting a setpoint via a setpoint dimming levels.

DETAILLIERTE BESCHREIBUNG DER ERFINDUNGDETAILED DESCRIPTION OF THE INVENTION

Im Folgenden werden die Ausführungsbeispiele der vorliegenden Erfindung unter Bezugnahme auf Fig. 1 bis Fig. 2b im Detail beschrieben.Hereinafter, the embodiments of the present invention will be described with reference to FIG Fig. 1 to Fig. 2b described in detail.

In Fig. 1 ist eine schematische Darstellung einer Dimmschaltung mit einem dimmbaren Betriebsgerät BG gemäß vorliegender Erfindung skizziert, welches zur Ansteuerung eines Leuchtmittels LM mit einer Leistungs-Stellgröße StG' über ein als "Ansteuerung" bezeichnetes Leistungsstellglied TB dient. Bei dem Leuchtmittel kann es sich dabei beispielsweise um eine Gasentladungslampe, eine LED oder um ein LED-Modul, bestehend aus einem Array mehrerer zueinander in Serie, einzeln oder gruppenweise parallel geschalteten Leuchtdioden LED1 bis LED N , handeln. Indessen kann die Erfindung im Zusammenhang mit jedem dimmbaren Leuchtmittel verwendet werden.In Fig. 1 is a schematic representation of a dimming circuit with a dimmable operating device BG sketched according to the present invention, which is used to control a light source LM with a power control variable StG ' via a power actuator TB called "drive". The luminous means may be, for example, a gas discharge lamp, an LED or an LED module, consisting of an array of several light-emitting diodes LED 1 to LED N connected in series, individually or in groups in parallel. However, the invention can be used in conjunction with any dimmable bulb.

Das Leistungsstellglied TB, dem über einen mit dem Betriebsgerät BG verbundenen Steuereingang ein zum Dimmen des Leuchtmittels LM benötigtes Steuersignal zuführbar ist, kann z.B. einen Phasenanschnittsdimmer, eine regelbare Konstantstromquelle, eine einstellbare Versorgungsspannung, einen Wechselrichter mit einstellbarer Taktfrequenz fT oder einen Pulsbreitenmodulator PWM umfassen, über den das Tastverhältnis d eines von dem Betriebsgerät BG generierten, dem Leuchtmittel LM in Form eines pulsbreitenmodulierten Steuersignals zugeführten periodischen Rechteckstroms variiert wird. Als Leistungs-Stellgröße StG' kann also abgesehen von dem Tastverhältnis d eines pulsbreitenmodulierten Steuersignals die Frequenz fLM eines zum Betrieb des Leuchtmittels LM benötigten Wechselstroms, die Stromstärke eines zur Speisung des Leuchtmittels LM dienenden Wechsel- oder Gleichstroms I LM bzw. der Spannungspegel U LM einer zur Energieversorgung des Leuchtmittels LM dienenden Versorgungsspannung herangezogen werden.The power control element TB, to which a control input required for dimming the lamp LM can be supplied via a control input connected to the operating device BG, can comprise, for example, a phase control dimmer, a controllable constant current source, an adjustable supply voltage, an inverter with adjustable clock frequency f T or a pulse width modulator PWM, via which the duty cycle d of a generated by the operating device BG, the lighting means LM in the form of a pulse width modulated control signal supplied periodic rectangular current is varied. Apart from the pulse duty factor d of a pulse width modulated control signal, the frequency f LM of an alternating current required to operate the light source LM, the current intensity of an alternating or direct current I LM serving to supply the light source LM, or the voltage level U LM a serving for power supply of the light source LM supply voltage can be used.

Das in Fig. 1 dargestellte Betriebsgerät BG weist hierbei eine Schnittstelle auf, über die dem Betriebsgerät BG eine zur Dimmung des Leuchtmittels LM benötigte externe Führungsgröße FG (in Fig. 1 bezeichnet als "externe Dimmwerte") zuführbar ist. Diese externen Dimmwerte werden über einen Datenumsetzer LMK in dem Betriebsgerät BG in interne Dimmwerte einer Steuergröße StG umgesetzt, auf deren Grundlage die Ansteuerung des Leistungsstellglieds TB erfolgt. Das Betriebsgerät BG greift dabei z.B. auf eine in einer Speichereinheit des Datenumsetzers LMK abgelegte Wertezuweisungstabelle (in Fig. 1 bezeichnet als "Abgleichstabelle") zu, aus der vorab abgelegte, linear, logarithmisch, exponentiell oder anderweitig interpolierte Zwischenwerte einer zum Dimmen des Leuchtmittels LM benötigten Dimmkennlinie entnommen werden können.This in Fig. 1 shown operating device BG in this case has an interface over which the operating device BG required for dimming of the lamp LM external command variable FG (in Fig. 1 referred to as "external dimming values") can be fed. These external dimming values are converted to internal via a data converter LMK in the operating device BG Dimming values of a control variable StG implemented on the basis of the control of the power actuator TB. In this case, the operating device BG accesses, for example, a value assignment table (stored in a memory unit of the data converter LMK) Fig. 1 referred to as "adjustment table"), from which pre-stored, linear, logarithmic, exponential or otherwise interpolated intermediate values of a dimming characteristic required for dimming the luminous means LM can be taken.

Der Wertebereich dieser Stützwerte wird dabei z.B. durch zwei parallel zur Zeitachse eines Dimmlevel-Zeit-Diagramms verlaufende Geraden begrenzt, wobei die Untergrenze des Wertebereichs durch den aktuellen Istwert einer voreingestellten Dimmstufe gebildet wird und die Obergrenze des Wertebereichs durch ein dem Datenumsetzer LMK zugeführtes Programmiersignal PS vorgebbar ist (oder umgekehrt).The range of values of these support values is given e.g. is delimited by two straight lines running parallel to the time axis of a dimming level-time diagram, wherein the lower limit of the value range is formed by the current actual value of a preset dimming level and the upper limit of the value range can be predetermined by a programming signal PS supplied to the data converter LMK (or vice versa).

Alternativ dazu kann vorgesehen sein, dass der Datenumsetzer LMK zu den vorgenannten Stützwerten interpolierte Zwischenwerte für den Zeitverlauf der Dimmkennlinie berechnet und mit den hierbei erhaltenen Werten das Leistungsstellglied TB ansteuert. Dabei ist erfindungsgemäß vorgesehen, dass die in dem nicht-flüchtigen Speicher des Datenumsetzers LMK gespeicherten Stützwerte über das vorstehend erwähnte Programmiersignal PS neu kalibriert werden können. Das Programmiersignal separat zu einer Busschnittstelle und/oder über dieselbe Busschnittstelle übermittelt werden, über die nach erfolgter Programmierung dann die externen Dimmwerte zu dem Betriebsgerät übertragen werden.Alternatively, it can be provided that the data converter LMK calculates interpolated intermediate values for the time characteristic of the dimming characteristic curve for the abovementioned reference values and activates the power actuator TB with the values obtained in this case. According to the invention, it is provided that the reference values stored in the non-volatile memory of the data converter LMK can be recalibrated via the above-mentioned programming signal PS. The programming signal is transmitted separately to a bus interface and / or via the same bus interface, via which, after programming, the external dimming values are transmitted to the operating device.

Nach einem Ausführungsbeispiel der vorliegenden Erfindung kann die vorstehend beschriebene Schaltung, wie in Fig. 1 skizziert, weiterhin aufweisen einen optionalen Rückführungsleitung 1, über die dem Betriebsgerät BG wenigstens ein die Leistung der Leuchtmittel wiedergebender Leistungsparameter des Leuchtmittels LM als Istwert der Regelgröße RG zugeführt wird, sowie einen weiteren optionalen Rückführungsleitung 2, über die die Leistungs-Stellgröße StG' dem Betriebsgerät BG zugeführt wird,According to an embodiment of the present invention, the circuit described above, as shown in FIG Fig. 1 outlines, further comprising an optional return line 1, via which the operating device BG at least one of the power of the light emitting power parameter of the light source LM is supplied as the actual value of the controlled variable RG, and another optional return line 2, via which the power control variable StG 'is supplied to the operating device BG,

Wie Fig. 1 weiter zu entnehmen ist, stellt das Betriebsgerät BG bei diesem Ausführungsbeispiel über das Leistungsstellglied TB abhängig von der durch den erfassten Leistungsparameter gebildeten Regelgröße RG und der dem Betriebsgerät BG vorgebbaren Führungsgröße FG für die im Dimmbetrieb von dem Leuchtmittel LM zu erzeugende Strahlungsleistung, ausgedrückt durch den Sollwert Φ LM , soll des von dem Leuchtmittel LM im Dimmbetrieb zu emittierenden Lichtstroms Φ LM , die vorstehend erwähnte Leistungs-Stellgröße StG' ein. Bei Feststellung einer Regelabweichung zwischen Führungsgröße FG und Regelgröße RG wird dabei eine geeignete Leistungs-Stellgröße StG' generiert, durch die die vorgenannte Regelabweichung zumindest näherungsweise kompensiert wird.As Fig. 1 can be seen further, the operating device BG in this embodiment on the power actuator TB depending on the control variable RG formed by the detected performance parameter and the BG to the predetermined command variable FG for the dimming operation of the lamp LM to be generated radiation power expressed by the setpoint Φ LM , the luminous flux Φ LM to be emitted by the luminous means LM in the dimming operation is intended to input the above-mentioned power control variable StG '. When determining a control deviation between the reference variable FG and control variable RG while a suitable power control variable StG 'is generated, by which the aforementioned control deviation is at least approximately compensated.

In Fig. 2a ist eine Prinzipskizze eines lichttechnischen Systems dargestellt, welches eine Steuerungseinrichtung StE und ein über ein Betriebsgerät BG angesteuertes Leuchtmittel umfasst, bei dem es sich z.B. um eine Gasentladungslampe oder, wie in Fig. 2a skizziert, um ein LED-Modul handeln kann.In Fig. 2a is a schematic diagram of a lighting system shown, which comprises a control device StE and a controlled via an operating device BG illuminant, which is, for example, a gas discharge lamp or, as in Fig. 2a Outlined to act as an LED module.

Die Steuerungseinrichtung StE und das Betriebsgerät BG sind über digitale Schnittstellen IF1 bzw. IF2 an eine Busleitung BL angeschlossen, die zur Übermittlung von Betriebsparametern und ggf. auch Programmierdaten zwischen der Steuerungseinrichtung StE und dem Betriebsgerät BG dient. Die Spannungsversorgung des LED-Moduls erfolgt über das an eine Spannungsversorgung U e angeschlossene Betriebsgerät BG.The control device StE and the operating device BG are connected via digital interfaces IF 1 and IF 2 to a bus line BL, for the transmission of operating parameters and possibly also programming data between the control device StE and the operating device BG is used. The power supply of the LED module via the connected to a power supply U e operating device BG.

Als Versorgungsspannung des LED-Moduls kann eine Gleichspannung dienen, die über einen Speicherkondensator C bereitgestellt und der Busleitung BL über einen Ausgang DC_OUT des Betriebsgeräts BG als Busspannung U Bus aufgeschaltet wird.As a supply voltage of the LED module can serve a DC voltage, which is provided via a storage capacitor C and the bus line BL is connected via an output DC_OUT of the operating device BG as a bus voltage U bus .

Wie in Fig. 2a skizziert, verfügt die Steuerungseinrichtung StE neben einem zur Spannungsversorgung mit U Bus dienenden Eingang DC_IN über einen Programmierdatenausgang PROG_OUT, über den ein Programmiersignal U Prog, welches zur Einstellung eines vom Anwender vorgebbaren Dimmlevels bzw. zur Auswahl eines bestimmten Dimmkennlinienverlaufs (z.B. linear, logarithmisch, exponentiell etc.) verwendet wird, in digitalisierter Form über die digitale Busschnittstelle IF2 der Steuerungseinrichtung StE übertragen werden kann.As in Fig. 2a sketched, the control device StE has not only a serving for power supply with U bus input DC_IN via a programming data output PROG_OUT, via a programming signal U prog which for setting a user definable Dimmlevels or to select a specific Dimmkennlinienverlaufs (eg linear, logarithmic, exponential etc.) can be transmitted in digitized form via the digital bus interface IF 2 of the control device StE.

Nach Übertragung über die Busleitung BL wird das Programmiersignal U Prog dem Betriebsgerät BG über einen Steuersignaleingang PROG_IN zugeführt, und an einen als "LED-Konverter" bezeichneten Datenumsetzer geleitet. Dieser berechnet zu einer Anzahl von hinterlegten Stützwerten interpolierte Zwischenwerte für den Zeitverlauf einer zum Dimmen der LEDs benötigten Dimmkennlinie und steuert mit den dabei erhaltenen Werten einen in das Betriebsgerät BG integrierten Pulsbreitenmodulator PWM an, über den das Tastverhältnis d eines von dem Betriebsgerät BG generierten, der LED-Treiberschaltung in Form eines pulsbreitenmodulierten Steuersignals U PWM zugeführten periodischen Rechteckstroms variiert wird.After transmission via the bus line BL, the programming signal U Prog is supplied to the operating device BG via a control signal input PROG_IN, and passed to a designated as "LED converter" data converter. The latter calculates interpolated intermediate values for the course of time of a dimming characteristic curve required for dimming the LEDs and uses the values obtained to control a pulse width modulator PWM integrated in the operating device BG, via which the duty ratio d of a generated by the operating device BG LED driver circuit in the form of a pulse width modulated control signal U PWM supplied periodic rectangular current is varied.

Die Dimmkennlinie verläuft dabei innerhalb eines durch zwei parallel zur Zeitachse eines Dimmlevel-Zeit-Diagramms verlaufende Geraden begrenzten Wertebereichs, dessen Untergrenze durch den aktuellen Istwert einer voreingestellten Dimmstufe gebildet wird und dessen Obergrenze durch das Programmiersignal U Prog vorgebbar ist (oder umgekehrt).The dimming characteristic runs within a limited by two parallel to the time axis of a dimming level-time line straight lines whose lower limit is formed by the current actual value of a preset dimming and its upper limit by the programming signal U prog is specified (or vice versa).

Alternativ zu der vorstehend erwähnten Berechnung können die interpolierten Zwischenwerte auch aus einer z.B. in einem Nurlesespeicher des LED-Konverters abgelegten Wertezuweisungstabelle entnommen werden, die den innerhalb des Wertebereiches liegenden Stützstellen je nach Vorgabe des Anwenders vorab berechnete, linear, logarithmisch, exponentiell oder anderweitig interpolierte Zwischenwerte zuordnet.As an alternative to the above-mentioned calculation, the interpolated intermediate values may also be obtained from e.g. in a read-only memory of the LED converter stored value assignment table, which assigns the lying within the value range support points depending on the specification of the user previously calculated, linear, logarithmic, exponential or otherwise interpolated intermediate values.

Dabei kann vorgesehen sein, dass die in dem Flash-EEPROM gespeicherten Stützwerte über das vorgenannte Programmiersignal U Prog der Steuerungseinrichtung StE neu kalibriert werden können, bpsw. um herstellerspezifischer Toleranzen der durch die LED-Treiberschaltung angesteuerten Leuchtdioden LED1 bis LEDN des LED-Moduls zu minimieren bzw. zu kompensieren.It can be provided that the support values stored in the flash EEPROM can be recalibrated via the abovementioned programming signal U Prog of the control device StE, bpsw. to minimize or compensate for manufacturer-specific tolerances of the driven by the LED driver circuit LEDs LED 1 to LED N of the LED module.

Zu diesem Zweck kann erfindungsgemäß vorgesehen sein, dass die vorgenannten Stützwerte aus dem Flash-EEPROM ausgelesen und über einen Datenausgang READ_OUT des Betriebsgeräts BG und dessen digitale Busschnittstelle IF1 auf einen Datenübertragungskanal der Busleitung BL aufgeschaltet werden, so dass sie der Steuerungseinrichtung StE über deren digitale Busschnittstelle IF2 und einen Dateneingang READ_IN zugänglich sind.For this purpose, it can be provided according to the invention that the aforementioned basic values are read out of the flash EEPROM and switched to a data transmission channel of the bus line BL via a data output READ_OUT of the operating device BG and its digital bus interface IF 1 , so that they are sent to the control device StE via their digital Bus interface IF 2 and a data input READ_IN are accessible.

In Fig. 2b ist eine Schaltungsvariante des in Fig. 2a skizzierten lichttechnischen Systems mit einem Helligkeitsregelkreis LRK zur automatischen Einstellung eines über die Ausgangsspannung U Soll eines Sollwertgebers SWG vorgebbaren Dimmlevels dargestellt. Die Regelstrecke dieses Helligkeitsregelkreises LRK wird dabei durch das Bezug nehmend auf Fig. 2a beschriebene, über die digitale Busschnittstelle IF1 an die Busleitung BL angeschlossene Betriebsgerät BG und ein über das Betriebsgerät BG angesteuertes Leuchtmittel gebildet, bei dem es sich wiederum z.B. um eine Gasentladungslampe oder, wie in Fig. 2b skizziert, um ein LED-Modul, bestehend aus einem Array mehrerer zueinander in Serie geschalteter Leuchtdioden LED1 bis LEDN, handelt, welches über eine mit dem Ausgang des Betriebsgeräts BG verbundene LED-Treiberschaltung angesteuert wird.In Fig. 2b is a circuit variant of the in Fig. 2a sketched lighting system with a brightness control circuit LRK for automatic adjustment of a definable via the output voltage U setpoint of a setpoint generator SWG dimming levels. The controlled system of this brightness control loop LRK is taking on by the reference Fig. 2a described, via the digital bus interface IF 1 connected to the bus line BL operating device BG and a controlled via the operating device BG bulb formed, which in turn, for example, a gas discharge lamp or, as in Fig. 2b sketched to an LED module, consisting of an array of several series-connected LEDs LED 1 to LED N , is, which is controlled via a connected to the output of the operating device BG LED driver circuit.

Zur Ansteuerung des in das Betriebsgerät BG integrierten Pulsbreitenmodulators PWM, über den das Tastverhältnis d eines von dem Betriebsgerät BG generierten, der LED-Treiberschaltung in Form eines pulsbreitenmodulierten Steuersignals U PWM zugeführten periodischen Rechteckstroms variiert wird, wird eine Stellgröße U Prog benötigt, die von einem Programmierdatenausgang PROG_OUT einer über eine digitale Busschnittstelle IF2 (z.B. eine DALI-Schnittstelle) an die Busleitung BL angeschlossenen digitalen Regelungs- und Steuerungseinrichtung RSE geliefert, in digitalisierter Form über deren digitale Busschnittstelle IF2 auf einen Datenübertragungskanal der Busleitung BL aufgeschaltet und dann an die digitale Busschnittstelle IF1 des Betriebsgeräts BG zu dessen Programmierdateneingang PROG_IN übertragen wird.To control the pulse width modulator PWM integrated in the operating device BG, via which the duty ratio d of a periodic rectangular current generated by the operating device BG, the LED driver circuit is supplied in the form of a pulse width modulated control signal U PWM , a manipulated variable U prog is required, which of a Programming data output PROG_OUT a connected via a digital bus interface IF 2 (eg a DALI interface) to the bus line BL digital control and RSE delivered in digital form via their digital bus interface IF 2 switched to a data transmission channel of the bus line BL and then to the digital Bus interface IF 1 of the operating device BG is transmitted to the programming data input PROG_IN.

Der Regelungs- und Steuerungseinrichtung RSE wird über einen Sensordateneingang DATA_IN ein durch eine Regelgröße U Reg wiedergegebener Messwert zugeführt, bei dem es sich z.B. um den aktuellen Istwert der auf einer von den Leuchtdioden LED1 bis LED N des LED-Moduls oder einer Teilgruppe dieser Leuchtdioden beleuchteten Nutzfläche A durch den einfallenden Lichtstrom Φ LM hervorgerufenen Beleuchtungsstärke E handelt, die von einem lichtsensitiven Detektor eines über eine weitere digitale Busschnittstelle IF3 (z.B. eine DALI-Schnittstelle) ebenfalls an die Busleitung BL angeschlossenen Lichtsensormoduls LSM erfasst wird. Als Lichtsensor fungiert hierbei z.B. ein Fototransistor TPh, dessen Kollektorstrom (Fotostrom) proportional zu der durch die emittierte Lichtstrahlung der LEDs hervorgerufenen Beleuchtungsstärke E auf der vorgenannten Nutzfläche A ist und somit ein Maß für die Helligkeit dieser Strahlung liefert.The control and regulating device RSE is a sensor data input DATA_IN on by a controlled variable U Reg reproduced measured value supplied, which is, for example, the current actual value of one of the light emitting diodes LED 1 to LED N of the LED module or a subset of these LEDs illuminated effective area A caused by the incident luminous flux Φ LM Illuminance E , the of a light-sensitive detector of a via a further digital bus interface IF 3 (eg a DALI interface) also connected to the bus line BL light sensor module LSM is detected. In this case, for example, a phototransistor T Ph , whose collector current (photocurrent) is proportional to the illuminance E caused by the emitted light radiation of the LEDs on the aforementioned effective area A and thus provides a measure of the brightness of this radiation, acts as the light sensor.

Die Spannungsversorgung des Lichtsensormoduls LSM erfolgt dabei ebenso wie die Spannungsversorgung der Regelungs- und Steuerungseinrichtung RSE und des LED-Moduls über die als Busspannung UBus dienende Zwischenkreisspannung U V des Betriebsgeräts BG, die den beiden erstgenannten Systemkomponenten jeweils über einen mit "DC_IN" bezeichneten Busspannungseingang zugeführt wird.The power supply of the light sensor module LSM takes place here as well as the power supply of the control and RSE and the LED module via the serving as bus voltage U bus DC link voltage U V of the operating device BG, the two first-mentioned system components each have a designated "DC_IN" bus voltage input is supplied.

Wie Fig. 2b zu entnehmen ist, wird das Ausgangssignal U Reg des Lichtsensormoduls LSM, bei dem es sich z.B. um eine von einem Messverstärker auf einen definierten Ausgangspegel verstärkte, zu dem Fotostrom proportionale Spannung handelt, über einen Sensordatenausgang DATA_OUT zu der digitalen Busschnittstelle IF3 des Lichtsensormoduls LSM geführt und in digitalisierter Form über die Busleitung BL und die digitale Busschnittstelle IF2 der Regelungs- und Steuerungseinrichtung RSE zu deren Sensordateneingang DATA_IN übertragen. Die Regelungs- und Steuerungseinrichtung RSE stellt dann abhängig von der an dem vorgenannten Sensordateneingang DATA_IN anliegenden Regelgröße U Reg und der mit Hilfe des Sollwertgebers SWG über einen Trimmwiderstand RV oder ein Potentiometer einstellbaren und über einen weiteren Dateneingang der Regelungs- und Steuerungseinrichtung RSE vorgebbaren Führungsgröße U Soll (Sollwert) für die im Dimmbetrieb vom LED-Modul zu erzeugende Strahlungsleistung, ausgedrückt durch den Sollwert Φ LM , soll des vom LED-Modul im Dimmbetrieb zu emittierenden Lichtstroms Φ LM , die vorstehend erwähnte Stellgröße U Prog ein. Bei Feststellung einer Regelabweichung zwischen Führungsgröße U soll und Regelgröße U Reg wird eine geeignete Stellgröße U Prog generiert, durch die die vorgenannte Regelabweichung zumindest näherungsweise kompensiert wird.As Fig. 2b 2, the output signal U Reg of the light sensor module LSM, which is, for example, a voltage proportional to the photocurrent amplified by a measuring amplifier, is fed via a sensor data output DATA_OUT to the digital bus interface IF 3 of the light sensor module LSM and transmitted in digitized form via the bus line BL and the digital bus interface IF 2 of the control and regulating device RSE to the sensor data input DATA_IN. The control and regulating device RSE provides then dependent on the voltage applied to the aforementioned sensor data input DATA_IN control variable U Reg and with the help of the setpoint generator SWG via a trim resistor R V or a potentiometer and adjustable via another data input of the control and RSE presettable command value U target (setpoint) for in Dimming operation of the LED module to be generated radiation power, expressed by the setpoint Φ LM , is to be emitted by the LED module in the dimming mode luminous flux Φ LM , the above-mentioned manipulated variable U prog . Upon detection of a control deviation between the reference variable U soll and control value U Reg generates an appropriate control variable U Prog through which the aforesaid deviation is at least approximately compensated.

Über den Programmierdatenausgang PROG_OUT der Regelungs- und Steuerungseinrichtung RSE kann darüber hinaus ein vom Anwender vorgebbarer Dimmkennlinienverlauf (z.B. linear, logarithmisch, exponentiell etc.) aus einem über ein integriertes Display der Steuerungseinrichtung StE angezeigten Menü ausgewählt werden. Das dazu benötigte Steuersignal wird in digitalisierter Form über die digitale Busschnittstelle IF2 der Steuerungseinrichtung StE auf einen weiteren Datenübertragungskanal der Busleitung BL aufgeschaltet. Nach Übertragung über die Busleitung BL wird das Steuersignal dem Betriebsgerät BG über den vorgenannten Programmiersignaleingang PROG_IN zugeführt und an den LED-Konverter geleitet. Wie bereits unter Bezugnahme auf Fig. 2a beschrieben, berechnet dieser zu den in dem Flash-EEPROM des Betriebsgeräts BG hinterlegten Stützwerten interpolierte Zwischenwerte für den Zeitverlauf einer zum Dimmen der LEDs benötigten Dimmkennlinie und steuert mit den dabei erhaltenen Werten einen in das Betriebsgerät BG integrierten Pulsbreitenmodulator PWM an, über den das Tastverhältnis d eines von dem Betriebsgerät BG generierten, der LED-Treiberschaltung in Form eines pulsbreitenmodulierten Steuersignals U PWM zugeführten periodischen Rechteckstroms variiert wird. Die Dimmkennlinie verläuft dabei innerhalb eines durch zwei parallel zur Zeitachse verlaufende Geraden begrenzten Wertebereichs, dessen Untergrenze durch den aktuellen Istwert einer voreingestellten Dimmstufe gebildet wird und dessen Obergrenze durch die Führungsgröße U Soll vorgebbar ist (oder umgekehrt). Wie unter Bezugnahme auf Fig. 2a beschrieben, können die interpolierten Zwischenwerte alternativ zu der vorstehend erwähnten Berechnung auch aus einer z.B. in einem Nurlesespeicher des LED-Konverters abgelegten Wertezuweisungstabelle entnommen werden, die den innerhalb des Wertebereiches liegenden Stützstellen je nach Vorgabe des Anwenders vorab berechnete, linear, logarithmisch, exponentiell oder anderweitig interpolierte Zwischenwerte zuordnet.In addition, via the programming data output PROG_OUT of the regulation and control device RSE, a dimming characteristic curve (eg linear, logarithmic, exponential, etc.) predefinable by the user can be selected from a menu displayed via an integrated display of the control device StE. The control signal required for this purpose is connected in digitized form via the digital bus interface IF 2 of the control device StE to a further data transmission channel of the bus line BL. After transmission via the bus line BL, the control signal is supplied to the operating device BG via the aforementioned programming signal input PROG_IN and directed to the LED converter. As already with reference to Fig. 2a This calculates intermediate values interpolated for the time periods of a dimming characteristic required for dimming the LEDs and controls, with the values thus obtained, an integrated into the operating device BG Pulse width modulator PWM, via which the duty cycle d of a generated by the operating device BG, the LED driver circuit in the form of a pulse width modulated control signal U PWM supplied periodic rectangular current is varied. In this case, the dimming characteristic runs within a range of values delimited by two straight lines extending parallel to the time axis, whose lower limit is formed by the current actual value of a preset dimming stage and whose upper limit can be predetermined by the reference variable U desired (or vice versa). As with reference to Fig. 2a described, the interpolated intermediate values can alternatively be taken from an example in a read-only memory of the LED converter value assignment table, which calculated the lying within the value range support points depending on the user's specification in advance, linear, logarithmic, exponential or otherwise assigns interpolated intermediate values.

Wie bei dem in Fig. 2a dargestellten Ausführungsbeispiel ist auch bei dieser Schaltungsvariante erfindungsgemäß vorgesehen, dass die in dem Flash-EEPROM gespeicherten Stützwerte über das Steuersignal der Regelungs- und Steuerungseinrichtung RSE neu kalibriert werden können, um herstellerspezifische Toleranzen des Betriebsgeräts BG, der LED-Treiberschaltung und/oder der durch die LED-Treiberschaltung angesteuerten Leuchtdioden des LED-Moduls zu minimieren bzw. zu kompensieren. Wie bei dem in Fig. 2a skizzierten Ausführungsbeispiel kann zu diesem Zweck vorgesehen sein, dass die vorgenannten Stützwerte aus dem Flash-EEPROM ausgelesen und über einen Datenausgang READ_OUT des Betriebsgeräts BG und dessen digitale Busschnittstelle IF1 auf einen Datenübertragungskanal der Busleitung BL aufgeschaltet werden, so dass sie der Regelungs- und Steuerungseinrichtung RSE über deren digitale Busschnittstelle IF2 und einen Dateneingang READ_IN zugänglich sind.As with the in Fig. 2a illustrated embodiment is provided in this circuit variant according to the invention that the stored in the flash EEPROM support values can be recalibrated via the control signal of the control and RSE device to manufacturer-specific tolerances of the operating device BG, the LED driver circuit and / or by the LED driver circuit controlled LEDs of the LED module to minimize or compensate. As with the in Fig. 2a sketched embodiment can be provided for this purpose that the aforementioned support values are read from the flash EEPROM and connected via a data output READ_OUT the operating device BG and its digital bus interface IF 1 to a data transmission channel of the bus line BL, so that they Control and RSE device via the digital bus interface IF 2 and a data input READ_IN are accessible.

Abschließend sei darauf hingewiesen, dass die vorliegende Erfindung nicht auf lichttechnische Systeme beschränkt ist, deren Systemkomponenten über eine DALI-Schnittstelle an einen zur Spannungsversorgung dienenden Kanal einer Busleitung angeschlossen sind, sondern dass erfindungsgemäß jede andere, zur Übertragung digitaler Steuersignale geeignete digitale Busschnittstelle für diesen Zweck verwendet werden kann.Finally, it should be noted that the present invention is not limited to lighting systems whose system components are connected via a DALI interface to a serving for power supply channel of a bus line, but that according to the invention any other suitable for transmitting digital control signals digital bus interface for this purpose can be used.

Wenn das verwendete Leuchtmittel eine oder mehrere LEDs sind, kann die freie Programmierbarkeit der internen Dimmkennlinie dahingehend verwendet werden, dass diese auf die farbspezifische Empfindlichkeit des menschlichen Auges abgestimmt wird. Dies ist insbesondere von Bedeutung, wenn in unabhängigen Kanälen eines Betriebsgeräts oder durch mehrere Betriebsgeräte LEDs unterschiedlicher Farbe angesteuert werden, da das menschliche Auge die unterschiedlichen Farbe (bspw. Rot, Grün, Blau) unterschiedlich wahrnimmt.If the illuminant used is one or more LEDs, the free programmability of the internal dimming characteristic can be used to match the color-specific sensitivity of the human eye. This is of particular importance when LEDs of different colors are driven in independent channels of an operating device or by several operating devices, since the human eye perceives the different colors (for example red, green, blue) differently.

Somit kann die interne Dimmkennlinie für die Ansteuerung von LEDs (oder anderer farbiger Leuchtmittel) unterschiedlicher Farbe individuell und somit unterschiedlich programmierbar sein.Thus, the internal dimming characteristic for driving LEDs (or other colored lamps) of different colors can be individual and thus differently programmable.

Bspw. kann das durch ein Betriebsgerät mit drei unabhängigen Ausgängen erfolgen, bspw. ein RGB-Farbmischmodul für LEDs oder Leuchtstofflampen. Die Zuordnung der Farben und die individuelle Anpassung der internen Dimmkennlinie für jede Farbe kann dann erst in der Leuchte während der Installation erfolgen.For example. This can be done by an operating device with three independent outputs, for example. An RGB color mixing module for LEDs or fluorescent lamps. The assignment of the colors and the individual adaptation of the internal dimming characteristic for each color can then only be done in the luminaire during the installation.

Gemäss einer Weiterbildung der Erfindung kann bspw. durch einen externen Befehl, bspw. über eine Busleitung, ein artifizieller Maximalwert für einen Leistungsparameter oder Kombinationen von Leistungsparametern (Strom etc.) gesetzt werden. Diese Beschränkung kann dann von Aussen wieder aufgehoben und/oder verändert werden, so dass bspw. später wieder die tatsächlich verfügbare Maximallleistung freigegeben werden kann. Alternativ kann diese artifizielle "Drosselung" auch durch eine manuelle Einstellung am Vorschaltgerät erzielt werden.According to a development of the invention, for example, by an external command, for example via a bus line, an artificial maximum value for a performance parameter or combinations of performance parameters (power, etc.) are set. This restriction can then be reversed from the outside and / or changed, so that, for example, later, the actually available maximum power can be released again. Alternatively, this artificial "throttling" can also be achieved by a manual setting on the ballast.

"100% Dimmlevel" entspricht somit dem artifiziell beschränkten Maximalwert und nicht dem tatsächlich möglichen "ungedrosselten" Maximalwert."100% dimming level" thus corresponds to the artificially limited maximum value and not to the actually possible "unthrottled" maximum value.

Die interne Dimmkurve wird kann an den artifiziell beschränkten Maximalwert angepasst werden: Um weiterhin möglichst fein verteilte interne Dimmwerte zu verwenden, werden sämtliche intern verfügbaren Dimmwerte bei gesetzter Maximalwertbeschränkung auf den Bereich zwischen 0% Dimming und dem artifiziellen Maximalwert verteilt.The internal dimming curve can be adapted to the artificially limited maximum value: In order to continue to use finely distributed internal dimming values, all internally available dimming values are distributed to the range between 0% dimming and the artificial maximum value when the maximum value limit is set.

Eine einfacher Ausführung kann vorsehen, in dem Gerät vorab wenigstens zwei Kennlinien für das Mapping der externen Dimmwerte zu den internen Dimmwerten vorzusehen (programmieren), nämlich bspw. eine Aufteilung zwischen 0% und 100% und eine weitere Aufteilung zwischen 0% und der Maximalwertbeschränkung.A simple embodiment may provide for programming in advance at least two characteristic curves for the mapping of the external dimming values to the internal dimming values, namely for example a division between 0% and 100% and a further division between 0% and the maximum value limitation.

Claims (10)

Betriebsgerät für Leuchtmittel (LM), insbesondere LEDs, das eine Schnittstelle (IF1) aufweist, über die dem Betriebsgerät (BG) externe Dimmwerte zuführbar sind, wobei - das Betriebsgerät (BG) diese zugeführten externen Dimmwerte mittels interner Dimmkennlinien in interne Dimmwerte umsetzt, auf deren Grundlage die Ansteuerung der angeschlossenen Leuchtmittel (LM) erfolgt, und - individuelle interne Dimmkennlinien für die Ansteuerung von LEDs unterschiedlicher Farbe, bspw. zur Anpassung an die Wahrnehmung des menschlichen Auges vorgesehen sind. Operating device for lamps (LM), in particular LEDs, which has an interface (IF 1 ), via which the operating device (BG) external dimming values can be supplied, wherein - The operating device (BG) converts these supplied external dimming values by means of internal dimming characteristics into internal dimming values, on the basis of which the control of the connected lamps (LM) takes place, and - Individual internal dimming characteristics for the control of LEDs of different colors, for example, are provided to adapt to the perception of the human eye. Betriebsgerät nach Anspruch 1,
wobei mittels eines Programmiersignals U Prog ein bestimmter Dimmkennlinienverlaufs, wie z.B. linear, logarithmisch, exponentiell etc., auswählbar ist.Operating device according to claim 1,
wherein by means of a programming signal U prog a certain Dimmkennlinienverlaufs, such as linear, logarithmic, exponential, etc., is selectable. Betriebsgerät nach Anspruch 1 oder 2,
wobei die Zuordnung eines im stationären Zustand anzusteuernden internen Dimmwerts zu einem externen Dimmwert programmierbar ist.Operating device according to Claim 1 or 2,
wherein the assignment of an internal dimming value to be controlled in the stationary state to an external dimming value is programmable. Betriebsgerät nach einem der vorhergehenden Ansprüche, aufweisend einen Flash-Speicher (EEPROM) zur Speicherung der programmierbaren Umsetzung der externen Dimmwerte in interne Dimmwerte.Operating device according to one of the preceding claims, comprising a flash memory (EEPROM) for storing the programmable conversion of the external dimming values into internal dimming values. Betriebsgerät für Leuchtmittel (LM), insbesondere LEDs, das eine Schnittstelle (IF1) aufweist, über die dem Betriebsgerät (BG) externe Dimmwerte zuführbar sind, wobei das Betriebsgerät (BG) diese zugeführten externen Dimmwerte mittels interner Dimmkennlinien in interne Dimmwerte umsetzt, auf deren Grundlage die Ansteuerung der angeschlossenen Leuchtmittel (LM) erfolgt,
wobei das Betriebsgerät mehrere Ausgänge zur Ansteuerung von Leuchtmitteln verfügt, wobei die internen Dimmkennlinien individuell für jeden dieser Ausgänge programmierbar sind.Operating device for lamps (LM), in particular LEDs, which has an interface (IF 1 ) via which external dimming values can be fed to the operating device (BG), wherein the operating device (BG) converts these supplied external dimming values into internal dimming values by means of internal dimming characteristics the basis of which is the activation of the connected lighting means (LM),
wherein the operating device has a plurality of outputs for controlling lighting means, wherein the internal Dimmkennlinien are individually programmable for each of these outputs. Betriebsgerät nach Anspruch 5,
wobei die Ausgänge Leuchtmittel, insbesondere LEDs, unterschiedlicher Farbe ansteuern.Operating device according to claim 5,
wherein the outputs lighting means, in particular LEDs, different color control. Betriebsgerät nach Anspruch 5 oder 6,
wobei die Zuordnung eines im stationären Zustand anzusteuernden internen Dimmwerts zu einem externen Dimmwert programmierbar ist.Operating device according to claim 5 or 6,
wherein the assignment of an internal dimming value to be controlled in the stationary state to an external dimming value is programmable. Betriebsgerät nach einem der vorhergehenden Ansprüche,
wobei der Dimmkennlinienverlauf z.B. linear, logarithmisch, exponentiell etc. vom Anwender vorgebbar oder mittels eines Programmiersignals U Prog auswählbar ist.Operating device according to one of the preceding claims,
wherein the dimming characteristic curve, for example linear, logarithmic, exponential, etc., can be predetermined by the user or can be selected by means of a programming signal U Prog . Betriebsgerät für Leuchtmittel (LM), insbesondere LEDs, das eine Schnittstelle (IF1) aufweist, über die dem Betriebsgerät (BG) externe Dimmwerte zuführbar sind, wobei das Betriebsgerät (BG) diese zugeführten externen Dimmwerte mittels interner Dimmkennlinien in interne Dimmwerte umsetzt, auf deren Grundlage die Ansteuerung der angeschlossenen Leuchtmittel (LM) erfolgt,
wobei der Dimmkennlinienverlauf z.B. linear, logarithmisch, exponentiell etc. vom Anwender vorgebbar oder mittels eines Programmiersignals U Prog auswählbar ist.Operating device for lamps (LM), in particular LEDs, which has an interface (IF 1 ) via which external dimming values can be fed to the operating device (BG), wherein the operating device (BG) converts these supplied external dimming values into internal dimming values by means of internal dimming characteristics the basis of which is the activation of the connected lighting means (LM),
where the dimming characteristic curve is linear, logarithmic, Exponential etc. can be specified by the user or can be selected by means of a programming signal U Prog . Betriebsgerät nach einem der vorhergehenden Ansprüche,
wobei das Leuchtmittel eine einzelne Leuchtdiode oder ein mehrere Leuchtdioden umfassendes LED-Modul ist.Operating device according to one of the preceding claims,
wherein the lighting means is a single light emitting diode or an LED module comprising a plurality of light emitting diodes.
EP11163203.0A 2006-06-22 2007-06-13 Dimmable power supply with internal dimming characteristic curve Active EP2346305B1 (en)

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PL2030484T3 (en) 2016-06-30
US20090167207A1 (en) 2009-07-02
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CN101473701A (en) 2009-07-01
DE202007019402U1 (en) 2012-04-19
EP2765835A1 (en) 2014-08-13
US8111010B2 (en) 2012-02-07
EP2030484B2 (en) 2022-06-22
CN103561505A (en) 2014-02-05
DE102006028670A1 (en) 2007-12-27
EP2030484A1 (en) 2009-03-04
EP2346305B1 (en) 2018-09-26
CN103561505B (en) 2016-06-22
WO2007147512A1 (en) 2007-12-27
EP2346305A3 (en) 2012-06-06
PL2030484T5 (en) 2023-02-20
CN101473701B (en) 2013-09-18
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PL2765835T3 (en) 2018-06-29
EP2765835B1 (en) 2017-09-13

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