WO2015149096A1 - Appareil de commande, lampe et procédé permettant de faire fonctionner un moyen d'éclairage - Google Patents

Appareil de commande, lampe et procédé permettant de faire fonctionner un moyen d'éclairage Download PDF

Info

Publication number
WO2015149096A1
WO2015149096A1 PCT/AT2015/050076 AT2015050076W WO2015149096A1 WO 2015149096 A1 WO2015149096 A1 WO 2015149096A1 AT 2015050076 W AT2015050076 W AT 2015050076W WO 2015149096 A1 WO2015149096 A1 WO 2015149096A1
Authority
WO
WIPO (PCT)
Prior art keywords
operating device
voltage
led
control unit
led current
Prior art date
Application number
PCT/AT2015/050076
Other languages
German (de)
English (en)
Inventor
Wayne Bell
Blazej Szyler
Paul Dalby
Deepak MAKWANA
Original Assignee
Tridonic Gmbh & Co Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102014206021.4A external-priority patent/DE102014206021A1/de
Priority claimed from ATGM148/2014U external-priority patent/AT14343U1/de
Application filed by Tridonic Gmbh & Co Kg filed Critical Tridonic Gmbh & Co Kg
Priority to EP15722348.8A priority Critical patent/EP3127401A1/fr
Publication of WO2015149096A1 publication Critical patent/WO2015149096A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4241—Arrangements for improving power factor of AC input using a resonant converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
    • H02M1/0019—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters the disturbance parameters being load current fluctuations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0048—Circuits or arrangements for reducing losses
    • H02M1/0054—Transistor switching losses
    • H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/39—Circuits containing inverter bridges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Definitions

  • the invention relates to a control gear for a lighting means.
  • the invention relates to an operating device for supplying a light-emitting diode (LED) or a plurality of LEDs, wherein the operating device has a power factor correction circuit.
  • LED light-emitting diode
  • the LEDs may be inorganic or organic LEDs.
  • the operating device has a constant current source to provide an LED current to the LEDs.
  • an operating device may comprise a clocked converter.
  • the operating device has a power factor correction circuit (PFC) which generates a DC voltage (DC voltage), which is supplied to the constant current source. It is desirable to be able to generate different LED currents with one operating device so that the operating device can be combined with a larger number of different LED modules.
  • PFC power factor correction circuit
  • the invention has for its object to provide devices and methods that reduce the problems described.
  • the invention has for its object to provide devices and methods in which an operating device can generate a plurality of LED currents, wherein the above-described problems of conventional operating devices can be attenuated or eliminated.
  • the invention relates to an operating device for at least one light-emitting diode, a luminaire and a method having the features specified in the independent claims.
  • the dependent claims define embodiments of the invention.
  • an operating device for at least one light-emitting diode which has a power factor correction circuit with adjustable DC voltage.
  • the adjustability of the DC voltage generated by the power factor correction circuit and used to power a clocked converter or other constant current source provides another parameter by which the operating device can be adapted to different LED currents. As a result, the mode of operation of the operating device can be better adapted to the respectively desired LED current.
  • the operating device can be set up to read out an electrical component of an LED module, which indicates which LED current is required for the supply of the corresponding LED module.
  • a controller of the driver may switch a controllable switch of the power factor correction circuit such that a value for the LED current read from the LED module determines the DC voltage available from the power factor correction circuit on a DC bus. is provided.
  • An operating device for at least one light emitting diode comprises a power factor correction circuit for providing a DC voltage.
  • the operating device comprises a control unit for controlling the power factor correction circuit.
  • the control unit is set up to adjust the DC voltage as a function of an LED current of the at least one light-emitting diode.
  • the operating device may include a terminal for reading out a parameter of at least one electrical component of an LED module.
  • the electrical component can be encoded in the LED module, which LED current is required for the LED module.
  • the control unit may be configured to adjust the DC voltage generated by the power factor correction circuit depending on the characteristic.
  • the control unit may be arranged such that both control of a power factor correction circuit and current regulation of a constant current source supplied with the DC voltage depends on the characteristic that the operating device reads out.
  • the operating device can be set up to read out the parameter when starting the operating device.
  • the read-out characteristic may determine the DC voltage generated by the power factor correction circuit for subsequent operation.
  • the operating device can be set up in order to read out the parameter only when starting the operating device before the LED current is supplied to the at least one light-emitting diode.
  • the electrical component may be a resistor on the LED module.
  • the resistor may have one of a plurality of discrete values to indicate one of a plurality of discrete possible LED currents.
  • connection for reading the parameter can be from an output of the Be different than the operating device via which the operating device outputs the LED current as the output current of the operating device.
  • the operating device may comprise a further control unit.
  • the further control unit can be set up to transmit information about the parameter read out via a potential barrier to the control unit.
  • the potential barrier of the operating device may be a Separated Extra Low Voltage (SELV) barrier
  • the further control unit may be arranged in a SELV range of the operating device
  • the control unit may be arranged in a non-SELV region of the operating device the SELV region is separated by the potential barrier.
  • the operating device may include a galvanic isolation, for example an optocoupler or transformer, in order to transmit the information about the characteristic across the potential barrier to the control unit.
  • a galvanic isolation for example an optocoupler or transformer
  • the control unit may be a semiconductor integrated circuit.
  • the control unit may be a microcontroller, a controller or an application-specific special circuit.
  • the control unit may be a microprocessor or processor.
  • the further control unit may be a further semiconductor integrated circuit.
  • the further control unit may be a microcontroller, a controller or an application-specific special circuit.
  • the further control unit may be a microprocessor or processor.
  • the further control unit can also be omitted.
  • the resistor coding the LED current of the LED module or another electric component encoding the LED current of the LED module can be read out without using a semiconductor integrated circuit on the SELV side of the operating device.
  • the operating device may include a clocked converter, in particular a clocked converter. resonant converter, with potential isolation, which is supplied with the DC voltage.
  • An input of the clocked converter may be connected to the power factor correction circuit via a DC bus.
  • the clocked resonant converter has a resonant frequency.
  • the control unit may be configured to shift the resonance frequency by adjusting the DC voltage depending on the LED current.
  • the control unit may be configured to shift the resonance frequency by changing the DC voltage so that a switching frequency of a controllable switch of the clocked resonant converter or of a plurality of switches of the clocked resonant converter for generating different LED currents must be changed in a smaller frequency interval than at constant DC voltage.
  • the control unit may be configured to adjust the DC voltage depending on the LED current so that the resonant converter is operated on an inductive side of the resonance.
  • the control unit may be configured to adjust the DC voltage depending on the LED current such that, for each of the LED currents supported by the operating device, the resonant converter is operated on an inductive side of the resonance.
  • the control unit may be configured to set a first DC voltage for a first LED current.
  • the controller may be configured to set a second DC voltage that is less than the first DC voltage for a second LED current that is greater than the first LED current.
  • the clocked converter may be a clocked LLC resonant converter.
  • the clocked converter may be a half-bridge clocked LLC resonant converter.
  • the control unit may be configured to determine the DC voltage in accordance with the LED current using a map or a formula.
  • the control unit may include a non-volatile memory for storing the map.
  • the map may have a plurality of different Define DC voltages, one of which is selected depending on the LED current for which the LED module is designed.
  • the map or formula may set the DC voltage as a monotone decreasing function of the LED current.
  • the control unit may be configured to determine which DC voltage to set before outputting the LED current as the output current of the operating device.
  • a luminaire according to an embodiment comprises an operating device according to an embodiment and an LED module with at least one light-emitting diode, which is connected to the operating device.
  • the at least one light emitting diode may be an inorganic or organic light emitting diode.
  • the LED module may include an electrical component, such as a resistor, for encoding the LED current.
  • a terminal of the operating device may be connected to the LED module to read out the resistance and adjust the DC voltage depending on the resistance.
  • an operating device with a power factor correction circuit is used to provide a DC voltage.
  • the DC voltage is adjusted depending on an LED current of the at least one light-emitting diode.
  • the method can be carried out by the operating device or the luminaire according to an embodiment.
  • the operating device may read a characteristic of an electrical component, such as the resistor, present on an LED module to indicate the LED current flowing from the LED LED module needed
  • the reading of the parameter can be made via a connection of the operating device, which is different from the output, via which the LED current is output.
  • the characteristic can be read out before the LED module is supplied with the LED current.
  • the operating device may comprise a clocked resonant converter, which is supplied with the DC voltage.
  • the clocked resonant converter may be an LLC resonant converter.
  • the clocked resonant converter may be a half-bridge drive LLC resonant converter.
  • a controller may adjust the DC voltage of the power factor correction circuit to operate the LLC resonant converter on the inductive side of the resonance.
  • the DC voltage may be adjusted in the method such that for a first LED current required by a first LED module, a DC voltage generated by the power factor correction circuit is set to a first DC voltage. For a second LED current required by a second LED module, which is greater than the first LED current, a second DC voltage may be set to supply the resonant converter that is less than the first DC voltage.
  • the DC voltage generated by the power factor correction circuit can be adapted to the desired LED current.
  • the adjustability of the DC voltage allows, for example, to shift a resonant frequency of a clocked resonant converter of the operating device. Different LED currents require less significant changes in a switching frequency of the clocked converter than conventional fixed gain power supply of the power factor correction circuit.
  • Figure 1 shows a lamp with a control gear according to an embodiment example.
  • FIG. 2 shows an exemplary setting of a DC voltage as a function of an LED current in the operating device of FIG. 1.
  • FIG. 3 shows an exemplary setting of the DC voltage as a function of an LED current in the operating device of FIG. 1.
  • FIG. 4 is a schematic block diagram of a control unit according to an embodiment.
  • FIG. 5 is a flow chart of a method according to an embodiment.
  • FIG. 6 shows a luminaire with an operating device according to a further exemplary embodiment.
  • FIG. 1 shows an illustration of a luminaire which comprises an operating device 1 for at least one light-emitting diode (LED).
  • the operating device 1 has a supply connection for coupling to a supply source.
  • the supply source can be, for example, a mains voltage line.
  • the operating device 1 has an output, via which the at least one LED can be supplied with energy.
  • the output of the operating device may be connected to at least one LED track.
  • the output of the operating device may be connected to an LED module 20 of the lamp.
  • the LED module 20 may include one or more LEDs 21.
  • the LEDs may be inorganic or organic LEDs.
  • the multiple LEDs can be connected in series or in parallel.
  • the plurality of LEDs can also be interconnected in more complex arrangements, for example in a plurality of each other parallel connected series circuits. While a number of LEDs are shown by way of example, only one LED, two LEDs, or more than two LEDs may be used.
  • the operating device 1 may have a rectifier 10 for rectifying a supply voltage, for example the mains voltage.
  • the operating device 1 has a power factor correction circuit 1 1.
  • the power factor correction circuit (PFC) increases the power factor of the operating device and suppresses the return of harmonics in the network.
  • the power factor correction circuit 1 1 provides a DC voltage V B us, which is also referred to as a bus voltage, for downstream components of the operating device 1 ready.
  • the operating device 1 comprises a constant current source.
  • the constant current source may include a DC-DC converter 12.
  • the DC-DC converter 12 may be a clocked resonant converter.
  • Various configurations of the DC-DC converter 12 may be used.
  • the DC / DC converter 12 may be a half-bridge driven LP LLC resonant converter.
  • the DC-DC converter 12 provides a potential separation.
  • a potential barrier 16 provides a galvanic isolation of areas 17, 18 of the operating device.
  • the potential barrier 16 may be a Separated Extra Low Voltage (SELV) barrier that isolates a SELV region 18 from a non-SELV region 17.
  • the DC to DC converter 12 includes one or more controllable switches 16.
  • the controllable switch (s) of the DC-DC converter 12 are switched so that the LED current, which is provided as the output current of the operating device to the LED module 20, is set to a desired average current value perform a control loop for the LED current, wherein the switching of the controllable switch or the controllable switch of the DC-DC converter 12 is used as a manipulated variable.
  • the operating device 1 may comprise further circuit components.
  • the operating device 1 may have an output circuit (not shown in FIG. 1) in order to provide a desired supply voltage and / or a desired supply current for the LED module 20 at the output of the operating device 1.
  • the operating device 1 is set up to generate different LED currents. This allows the use of the operating device 1 in combination with different LED modules 20 and in particular in combination with LED modules 20, which are designed for different LED currents.
  • the operating device 1 has a control unit 13.
  • the control unit 13 can be, for example, a microcontroller, a controller or a special application specific circuit (ASIC).
  • the control unit 13 is configured to set the DC voltage V B uss depending on the LED current to be generated for the LED module 20.
  • the control unit 13 switch a controllable switch of the power factor correction circuit 1 1 clocked.
  • the control unit 13 may be arranged to control the output voltage of the power factor correction circuit 11 to adjust the DC voltage V B us to a desired value depending on the LED current.
  • the control unit 13 may receive information about the LED current in different ways.
  • the LED module 20 has an electrical component 22, with which is coded, for which LED current the LED module 20 is designed.
  • the electrical component 22 may be an ohmic resistor. The resistor can then code which LED current is to be generated by the operating device 1.
  • Other configurations may be used.
  • the electrical component 22 may also be a capacitor whose capacitance indicates which LED current is to be generated by the operating device 1.
  • the operating device 1 may comprise a terminal which is connectable to the electrical component 22 of the LED module.
  • the terminal for reading out the resistance of the electrical component 22 may be separated from the output of the be different drive device, via which the LED current for the at least one LED 21 is output as the output current of the operating device 1.
  • the operating device 1 may include a read-out circuit 14, which is set up to read out the resistance of the electrical component 22.
  • the readout circuit 14 can read the resistor when starting the operating device 1.
  • the readout circuit 14 may, for example, generate a predetermined voltage in order to read out the resistance of the electrical component 22. The reading may be completed before the operating device 1 provides the LED current to the LED module 20.
  • the readout circuit 14 need not be provided as a separate unit, but may be integrated into other functional units.
  • the SELV region 18 of the operating device 1 may have a further semiconductor integrated circuit, which comprises the read-out circuit 14, but can perform even more functions.
  • the further semiconductor integrated circuit can control a converter of an output circuit of the operating device 10.
  • the readout circuit 14 may be formed as a microcontroller or controller.
  • the control unit 13 can receive information about the resistance of the electrical component 22 read by the read-out circuit 14 via a galvanic isolation 15. Thus, the control unit 13 when starting the operating device 1 information about the LED current of the LED module 20 detect.
  • the control unit 13 may determine which DC voltage V B us is to be set, depending on which LED current the LED module 20 is designed for, and may appropriately control the power factor correction circuit 11.
  • the control unit 13 can determine in different ways, depending on the LED current, which DC voltage V B us to be set.
  • the control unit 13 may determine the DC voltage V B us based on a map.
  • a non-volatile memory which indicates in a map the DC voltage V B us as a function of the selected LED current, can be in the control unit 13th be integrated or provided separately from this.
  • the controller 13 may also be configured to evaluate a function indicating DC voltage V B us as a function of the selected LED current.
  • the control unit 13 may be configured such that the DC voltage V B us can take one of a plurality of discrete values. For example, at least two or at least three different DC voltages V B us can be provided.
  • the control unit 13 may be configured to adjust the DC voltage V B us so that the clocked LLC resonant converter 12 is operated on an inductive side of the resonance and / or that shifts to a capacitive side of the resonance can be reduced when a larger output current to be generated.
  • the control unit 13 may be arranged such that the power factor correction circuit 1 1 provides a smaller DC voltage V B us for generating at least some LED currents as the LED current increases.
  • Modifications of the embodiment of the operating device 1 described with reference to FIG. 1 can be implemented.
  • information about the LED current can not only be coded by an electrical component 22 of the LED module 20.
  • the operating device 1 may be configured to allow user-defined adjustment of different LED currents.
  • the setting can be made via DIP switches, whereby the resistance resulting from the position of the DIP switches can be read out and used to set the DC voltage V BU s.
  • the DIP switches may be provided in the SELV area 18 of the operating device 1.
  • the setting can also be made by programming via an interface of the operating device 1. It can also be a detection of the actual LED current, wherein the corresponding information on the potential barrier 16 can be performed to the control unit 13.
  • the setting of different DC voltages V BU s changes the switching frequency with which controllable switches of the LLC resonant converter 12 are connected. be. No further intervention in the control loop is required for this.
  • the output current is set by the control circuit for the LLC resonant converter 12 to the desired value, even if the DC voltage VBUS may have different values.
  • FIG. 2 illustrates the operation of the control unit 13 according to an embodiment.
  • the operating device 1 is set up to output at least a first LED current I L ED , I and a second LED current I L ED , 2 , which is greater than the first LED current.
  • the DC voltage V B us is set to a first DC voltage / /..
  • the DC voltage V B us is set to a second DC voltage V 2 , which is smaller than the first DC voltage V ! is.
  • FIG. 3 illustrates an exemplary dependency 25 of the DC voltage V B us of the LED current I L ED in an operating device according to an exemplary embodiment.
  • the DC voltage V B us may be a monotonically decreasing function of the LED current ILED.
  • the DC voltage V BU s need not be a strictly monotonically decreasing function of the LED current I L ED, but may be constant in sections, as shown in FIG. 3
  • a dependency, as exemplified in FIG. 3, can be map-based by the control unit 13 or used by evaluating a formula.
  • control unit 13 may not use the LED current itself, but also another characteristic indicative thereof to determine the DC voltage V BUs to be set.
  • the resistance of the electrical component 22 of the LED module or a resistor set with a DIP switch of the operating device 1 can code the LED current.
  • the dependence 25 can also take other forms exhibit.
  • the DC voltage can be defined as a function of the coding for the LED current, which in turn depends on the LED current.
  • Figure 4 is a schematic block diagram of an embodiment of the control unit 13 according to an embodiment.
  • the control unit 13 has a device 31 for determining the DC voltage V B us as a function of the LED current I L ED.
  • the device 31 may be a map or a function evaluation.
  • the control unit 13 has a device 32 for generating a control signal ctrl for a controllable switch of the power factor correction circuit 11.
  • the device 32 generates the control signal as a function of the ascertained DC voltage V B us, so that the power factor correction circuit generates the ascertained DC voltage V B us.
  • Means 32 may execute a control loop to adjust the DC voltage V B us or otherwise adjust the DC voltage V B us to the value associated with the LED current.
  • the control unit 13 may optionally comprise a device 33 for controlling the DC-DC converter 12.
  • the device 33 may generate control signals ctrl2 for one or more switches of a clocked resonant converter. For example, device 33 may generate control signals for the two switches of a half-bridge drive LLC resonant converter.
  • the device 33 may control in a closed loop the switch or switches of the LLC resonant converter so that the output current of the operating device 1 is set to the desired value.
  • FIG. 5 is a flowchart of a method 40 according to an embodiment. The method may be performed by an operating device 1 according to an embodiment.
  • the operating device 1 is started.
  • the operating device 1 may have an interface for receiving a command for starting the operating device 1 exhibit.
  • the LED current I LED is determined which is to be generated.
  • a resistor 22 of the LED module 20 can be read. It is possible to read out a resistor in a SELV range of the operating device 1. It is also possible to read out a nonvolatile memory of the operating device 1 in which the non-volatile memory stores which LED current the operating device 1 should generate for the LED module 20 coupled to it.
  • the LED current I L ED can be determined before the operating device 1 generates the LED current for the LED module 20.
  • step 43 it is determined which DC voltage V B us is to produce the power factor correction circuit 1 1 when the operating device 1 is to output the LED current ILED.
  • the payload operation is performed, in which the power factor correction circuit 1 1 is controlled to provide the detected DC voltage V B us on the DC bus to supply the DC-DC converter 12.
  • the DC-DC converter 12 can be controlled such that the output current of the operating device 1 corresponds to the desired LED current I L ED.
  • FIG. 6 shows an operating device 1 according to a further exemplary embodiment.
  • the SELV region 18 does not have to have a semiconductor integrated circuit.
  • the control unit 13 can detect, for example, the load which is connected to a secondary side of a transformer 19 and which corresponds to the resistance of the electrical component 22. The detection can be performed when starting the operating device 1. In Nutzfeld the transformer 19 must not be operated.
  • the operating devices according to the various embodiments may be configured for dimming.
  • the DC voltage VBUS can be adjusted independently of the dimming level.
  • the DC voltage may also be adjusted depending on the dimming level.
  • the operating device according to an embodiment may be an LED converter.
  • Operating devices, luminaires and methods according to exemplary embodiments can be used for lighting systems that use light sources with LEDs.

Abstract

L'invention concerne un appareil de commande (1) pour au moins une diode électroluminescente (21). Ledit appareil comprend un circuit de correction de facteur de puissance (11) destiné à produire une tension continue (VBUS) et une unité de commande (13) pour commander le circuit de correction de facteur de puissance (11). L'unité de commande (13) est conçue pour régler la tension continue (VBUS) en fonction d'un courant de DEL (ILED) de la ou des diodes électroluminescentes (21).
PCT/AT2015/050076 2014-03-31 2015-03-25 Appareil de commande, lampe et procédé permettant de faire fonctionner un moyen d'éclairage WO2015149096A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15722348.8A EP3127401A1 (fr) 2014-03-31 2015-03-25 Appareil de commande, lampe et procédé permettant de faire fonctionner un moyen d'éclairage

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATGM148/2014 2014-03-31
DE102014206021.4A DE102014206021A1 (de) 2014-03-31 2014-03-31 Betriebsgerät, Leuchte und Verfahren zum Betreiben eines Leuchtmittels
DE102014206021.4 2014-03-31
ATGM148/2014U AT14343U1 (de) 2014-03-31 2014-03-31 Betriebsgerät, Leuchte und Verfahren zum Betreiben eines Leuchtmittels

Publications (1)

Publication Number Publication Date
WO2015149096A1 true WO2015149096A1 (fr) 2015-10-08

Family

ID=54239116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2015/050076 WO2015149096A1 (fr) 2014-03-31 2015-03-25 Appareil de commande, lampe et procédé permettant de faire fonctionner un moyen d'éclairage

Country Status (2)

Country Link
EP (1) EP3127401A1 (fr)
WO (1) WO2015149096A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021018984A1 (fr) * 2019-07-30 2021-02-04 Eldolab Holding B.V. Système d'éclairage à del
EP4340200A1 (fr) * 2022-09-15 2024-03-20 Tridonic GmbH & Co. KG Circuit pfc avec filtre emi actif prédictif

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110031899A1 (en) * 2009-08-07 2011-02-10 Chung-Jen Chu Dimmable led device with low ripple current and driving circuit thereof
WO2013056356A1 (fr) * 2011-10-17 2013-04-25 Queen's University At Kingston Convertisseur d'annulation d'ondulation ayant un facteur de puissance élevé
WO2013102550A1 (fr) * 2012-01-06 2013-07-11 Osram Gmbh Pilote de retour à un seul étage basé sur un contrôleur de facteur de puissance et système électroluminescent
US20140049231A1 (en) * 2011-04-26 2014-02-20 Renesas Electronics Corporation Pfc signal generation circuit, pfc control system using the same, and pfc control method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010031242B4 (de) * 2010-03-19 2023-02-23 Tridonic Ag LED-Beleuchtungssystem mit Betriebsdatenspeicher

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110031899A1 (en) * 2009-08-07 2011-02-10 Chung-Jen Chu Dimmable led device with low ripple current and driving circuit thereof
US20140049231A1 (en) * 2011-04-26 2014-02-20 Renesas Electronics Corporation Pfc signal generation circuit, pfc control system using the same, and pfc control method
WO2013056356A1 (fr) * 2011-10-17 2013-04-25 Queen's University At Kingston Convertisseur d'annulation d'ondulation ayant un facteur de puissance élevé
WO2013102550A1 (fr) * 2012-01-06 2013-07-11 Osram Gmbh Pilote de retour à un seul étage basé sur un contrôleur de facteur de puissance et système électroluminescent

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3127401A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021018984A1 (fr) * 2019-07-30 2021-02-04 Eldolab Holding B.V. Système d'éclairage à del
NL2023590B1 (en) * 2019-07-30 2021-02-23 Eldolab Holding Bv LED based illumination system
US11943849B2 (en) 2019-07-30 2024-03-26 Eldolab Holding B.V. LED based illumination system
EP4340200A1 (fr) * 2022-09-15 2024-03-20 Tridonic GmbH & Co. KG Circuit pfc avec filtre emi actif prédictif
WO2024056577A1 (fr) * 2022-09-15 2024-03-21 Tridonic Gmbh & Co Kg Circuits pfc avec filtre emi actif prédictif

Also Published As

Publication number Publication date
EP3127401A1 (fr) 2017-02-08

Similar Documents

Publication Publication Date Title
EP2837264B1 (fr) Convertisseur pour un moyen d'éclairage, convertisseur del et procédé de fonctionnement d'un convertisseur
EP3085202B1 (fr) Pilote de del pour la lecture d'information provenant d'un module à del
EP3235346B1 (fr) Circuit d'alimentation, appareillage d'alimentation, système d'éclairage et procédé permettant de faire fonctionner au moins une diode électroluminescente
EP2842391A1 (fr) Appareil permettant de faire fonctionner un dispositif d'éclairage et procédé associé
DE102013219153A1 (de) Treibermodul mit sekundärseitiger Erkennung einer primärseitigen elektrischen Versorgung
EP3127401A1 (fr) Appareil de commande, lampe et procédé permettant de faire fonctionner un moyen d'éclairage
DE102012007450A1 (de) Wandler für ein Leuchtmittel, LED-Konverter und Verfahren zum Betreiben eines LLC-Resonanzwandlers
WO2014176617A2 (fr) Appareil de fonctionnement pour un moyen d'éclairage, appareil de programmation et procédé permettant de configurer un appareil de fonctionnement
AT15988U1 (de) Betriebsschaltung zur Versorgung eines Leuchtmittels, LED-Konverter, System und Verfahren zum Betreiben einer Betriebsschaltung
DE102014206021A1 (de) Betriebsgerät, Leuchte und Verfahren zum Betreiben eines Leuchtmittels
AT14343U1 (de) Betriebsgerät, Leuchte und Verfahren zum Betreiben eines Leuchtmittels
EP3222119B1 (fr) Circuit de fonctionnement pour alimenter un moyen d'éclairage, convertisseur à del et procédé pour faire fonctionner un circuit de fonctionnement
WO2015143465A1 (fr) Circuit d'alimentation, appareillage d'alimentation, système d'éclairage et procédé pour faire fonctionner au moins une diode électroluminescente
WO2014172734A1 (fr) Circuit pour faire fonctionner des diodes électroluminescentes
EP2849538B1 (fr) Dispositif et procédé de détermination indirecte d'une alimentation électrique
EP2591640A1 (fr) Commande de paramètres de fonctionnement d'appareil pour del
WO2014176614A2 (fr) Ensemble circuit, moyen d'éclairage et procédé pour faire fonctionner un moyen d'éclairage
EP3286988A1 (fr) Agencement de circuit pour faire fonctionner au moins une première et une deuxième ligne de del
AT16401U1 (de) Betriebsschaltung zur Versorgung eines Leuchtmittels, LED-Konverter, Leuchte und Verfahren zum Steuern einer Betriebsschaltung
EP3086626B1 (fr) Circuit de ballast, eclairages et procede de detection d'un signal de commande
DE102013223220A1 (de) Betriebsschaltung für ein Leuchtmittel und Verfahren zum Betreiben eines Leuchtmittels
AT13386U1 (de) LED-Konverter
DE102014205665A1 (de) Betriebsschaltung, Betriebsgerät, Beleuchtungssystem und Verfahren zum Betreiben wenigstens einer Leuchtdiode
AT15424U1 (de) Betriebsgerät, Leuchte und Verfahren zur Kommunikation über eine Potenzialbarriere
AT15900U1 (de) Konverter-Modul für Leuchtmittel mit Lasterkennungsfunktion

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15722348

Country of ref document: EP

Kind code of ref document: A1

REEP Request for entry into the european phase

Ref document number: 2015722348

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2015722348

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE