WO2015008878A1 - Circuit intégré pour un éclairage et procédé permettant de commander un éclairage - Google Patents

Circuit intégré pour un éclairage et procédé permettant de commander un éclairage Download PDF

Info

Publication number
WO2015008878A1
WO2015008878A1 PCT/KR2013/006368 KR2013006368W WO2015008878A1 WO 2015008878 A1 WO2015008878 A1 WO 2015008878A1 KR 2013006368 W KR2013006368 W KR 2013006368W WO 2015008878 A1 WO2015008878 A1 WO 2015008878A1
Authority
WO
WIPO (PCT)
Prior art keywords
voltage
circuit
psu
converter
signal
Prior art date
Application number
PCT/KR2013/006368
Other languages
English (en)
Korean (ko)
Inventor
양익석
이용희
Original Assignee
주식회사 르코어테크놀러지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 르코어테크놀러지 filed Critical 주식회사 르코어테크놀러지
Priority to PCT/KR2013/006368 priority Critical patent/WO2015008878A1/fr
Publication of WO2015008878A1 publication Critical patent/WO2015008878A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • 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
    • 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
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • 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]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology

Definitions

  • the present invention relates to semiconductor integrated circuits, and in particular, to lighting drive integrated circuits for driving lighting, and to respective optimal integrated circuit structures in controlling them using power line communication.
  • PLC power line communication
  • PLC power line communication
  • the technical problem to be achieved by the present invention is to provide a lighting drive circuit, and a lighting control method capable of remotely controlling a lamp by using power line communication.
  • Another technical problem to be solved by the present invention is to provide a light driving circuit that can reduce the number of components, required area, and power consumption by using the generated voltage for driving the light, without separately generating a voltage required for power line communication, and lighting It is to provide a control method.
  • Another technical problem to be achieved by the present invention is to provide a lighting driving circuit and a lighting control method that can reduce the number of components and the required area, and increase the cost competitiveness by one-chip two or more circuits that were previously implemented as separate chips. It is.
  • a lamp for example, an LED lamp
  • a lamp may be remotely controlled through power line communication.
  • FIG. 1 is a schematic block diagram of a lighting system according to an embodiment of the present invention.
  • FIG. 2 is a schematic block diagram of an LED lighting driving circuit according to an embodiment of the present invention.
  • FIG. 3 is a block diagram illustrating an embodiment of the PSU shown in FIG. 2.
  • FIG. 4 is a block diagram illustrating another embodiment of the PSU shown in FIG. 2.
  • FIG. 5 is a schematic block diagram of an LED lighting driving circuit according to another embodiment of the present invention.
  • FIG. 6 is a schematic block diagram of an LED lighting driving circuit according to another embodiment of the present invention.
  • FIG. 7 is a schematic circuit diagram of an LED lighting driving circuit according to another embodiment of the present invention.
  • FIG. 8 is a schematic circuit diagram of an LED lighting driving circuit according to another embodiment of the present invention.
  • FIG. 9 is a schematic circuit diagram of an LED lighting driving circuit according to another embodiment of the present invention.
  • the filter is connected to a power line to remove noise of the power line.
  • the AC-DC converter rectifies AC power output from the filter and converts the AC power to DC power.
  • the PSU circuit is connected to a plurality of LEDs to use the output voltage of the AC-DC converter to drive the LEDs and generate a voltage for power line communication.
  • the PLC circuit receives an AC signal transmitted through the power line based on the voltage provided from the PSU circuit, processes the AC signal to extract a control signal, and transfers the control signal to the PSU circuit. At least one of the state of the PSU and the state of the LED is monitored and converted into the AC signal and transmitted through the power line.
  • the PSU circuit controls the brightness and color temperature of the LEDs according to the control signal output from the PLC circuit.
  • the PSU circuit includes a constant current driving circuit for driving the LEDs using the DC voltage output from the AC-DC converter; And a DC-DC converter which converts the DC voltage output from the AC-DC converter and outputs the converted DC voltage as the voltage necessary for the power line communication to the PLC circuit.
  • the PSU circuit includes a DC-DC converter for converting the DC voltage output from the AC-DC converter to output the converted DC voltage and the voltage required for the power line communication; And a constant current driving circuit for driving the LEDs using the converted DC voltage.
  • the PSU circuit includes a DC-DC converter for outputting the converted DC voltage by converting the DC voltage output from the AC-DC converter; And a constant current driving circuit for driving the LEDs using the converted DC voltage, wherein the voltage required for the power line communication may be provided from the AC-DC converter without passing through the DC-DC converter.
  • the state signal of the PSU may be a signal that senses an input voltage or an output voltage of the PSU, and the state signal of the LED may be a signal that senses brightness or color temperature of the LEDs.
  • a lighting driving circuit including a filter connected to a power line to remove noise of the power line; AC-DC converter which rectifies AC power outputted from the filter and converts the AC power into DC power. The output voltage and the current are input to receive the DC voltage generated by the AC-DC converter as an input for use in lighting.
  • a power supply unit (PSU) circuit for generating and controlling a control function of the lamp;
  • PLC unit which separates and receives an AC signal received through the power line through a coupler, extracts a control signal from the received signal, and provides the extracted control signal to the PSU circuit.
  • the PSU circuit receives the control signal from the PLC unit to control the lamp, and generates and supplies a voltage required by the PLC unit.
  • the lighting driving circuit may further include a power factor correction (PFC) for improving a power factor.
  • PFC power factor correction
  • the PFC and the PSU circuit may be implemented in one chip.
  • the PFC, the PSU circuit and the PLC unit may be implemented in one chip.
  • Embodiments according to the inventive concept may be variously modified and have various forms, so specific embodiments are illustrated in the drawings and described in detail herein. However, this is not intended to limit the embodiments in accordance with the concept of the present invention to a particular disclosed form, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.
  • first and / or second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another, for example, without departing from the scope of rights in accordance with the inventive concept, and the first component may be called a second component and similarly The second component may also be referred to as the first component.
  • a lighting system according to an embodiment of the present invention includes an LED lamp 10 and a light control host.
  • the lighting control host is a device for controlling the LED lighting 10.
  • a power line 60 is connected between the LED lamp 10 and the light control host.
  • the lighting control host supplies power required for the lamp 10 through the power line 60, and sends a signal to the power line for controlling brightness, color temperature, and the like of the LED light.
  • the lighting control host controls the LED lighting by using power line communication (PLC).
  • PLC power line communication
  • the lighting control host may be USB dongle 55a, 55b connected to router 51 or PC 53.
  • USB dongle (55a, 55b) is an external peripheral device for supporting the power line communication function, and is connected to the USB connection port of the PC or router, and acts as the main host for controlling the LED light.
  • the lighting control host sends control signals to the LED lights via the power line.
  • the lighting control host may be a portable communication device 52 such as a smartphone, PDA, or the like.
  • the lamp 10 includes a body 40, LEDs 30, and an LED light driving circuit 20.
  • the LED lighting driving circuit 20 receives a power supply and a control signal through the power line 60, and drives the LEDs 30 based thereon.
  • the LED lighting driving circuit 20 includes a filter 120, an AC-DC converter 130, a power supply unit 140, and a PLC unit 150.
  • 3 is a block diagram illustrating an embodiment of the PSU 140 illustrated in FIG. 2.
  • the filter 120 is a filter for removing noise of a power line.
  • the AC-DC converter 130 rectifies and converts AC power into DC power.
  • the AC-DC converter 130 may be controlled by a signal output from the PLC unit 150.
  • the AC-DC converter 130 may adjust the level of the DC voltage in response to the output signal of the PLC unit 150.
  • the input or output voltage of the power supply may be sensed and fed back to adjust the level of the DC voltage.
  • the AC-DC converter 130 may include a rectifier and a transformer. The configuration of the AC-DC converter 130 will be described later with reference to FIGS. 5 to 7.
  • the PSU 140a includes a constant current driving circuit 141, a DC-DC converter 144a, a control and monitoring unit 146, and an interface 145.
  • the PSU 140a drives the LEDs 30 and includes a constant current driving circuit 141 that controls LED brightness, color temperature, and the like. More specifically, the constant current driving circuit 141 may generate a constant current required to drive the LEDs 130 using the DC voltage generated by the AC-DC converter 130.
  • the constant current driving circuit 141 may include a constant current generator (not shown) that generates a constant current to be provided to the LED 30 using the DC voltage.
  • the constant current driving circuit 141 may control the brightness by adjusting the on-off ratio of the LEDs 30.
  • the constant current driving circuit 141 may use a PWM control method. As shown in FIG. 3, the constant current driving circuit 141 may include a PWM controller 142 and a power transistor 143.
  • the power transistor 143 may be connected between the LED 30 and the ground voltage, and the gate thereof may be connected to the output of the PWM controller 142.
  • the PWM controller 322 turns the power transistor 143 on or off in accordance with a control signal output from the control and monitoring circuit 146. That is, the PWM controller 322 may control the brightness of the LED 30 by adjusting the on-off ratio of the power FET 324 connected to the LED using the PWM control scheme.
  • the LEDs blended with two or more color temperatures can be adjusted with the power transistor 143 to create the appropriate color temperature.
  • the constant current driving circuit 141 may combine LEDs having two or more color temperatures to create an appropriate color temperature.
  • the PSU 140a may be controlled by power line communication.
  • the power line communication function may be in charge of the PLC unit 150 to be described later.
  • the PSU 140 may control the above-described LEDs 30 according to a control signal received through a power line.
  • the control and monitoring circuitry 146 of the PSU 140 may include an LED state-for example, optical characteristics such as brightness and color temperature of the LEDs 30, and an electrical characteristic of the LED 30-and a PSU state-for example, a PSU.
  • the input voltage and the output voltage may be monitored and transmitted to an external host or the AC-DC converter 130.
  • the DC-DC converter 144a in the PSU 140a generates a voltage (for example, 1.2V, 3.3V, etc.) necessary for power line communication and transmits the voltage to the PLC unit 150.
  • a voltage for example, 1.2V, 3.3V, etc.
  • the interface unit 145 is a function block for interfacing with the PLC unit 150 and receives a control signal from the PLC unit 150 and outputs it to the control and monitoring circuit 146.
  • the control and monitoring circuit 146 controls the constant current driving circuit 141 according to a control signal input from the PLC unit 150 through the interface unit 145, thereby controlling the brightness and color temperature of the LED 30.
  • control and monitoring circuit 146 may include a dimming / CCT control unit (not shown) and a monitoring unit (not shown).
  • the monitoring unit (not shown) transmits the monitoring signal to the external host or the AC-DC converter 130 by monitoring the state of the LED and the PSU as described above and transmitting the monitoring unit to the PLC unit 150 through the interface unit 145. Can be.
  • the dimming / CCT control unit (not shown) controls the constant current driving circuit 141 according to a control signal input from the PLC unit 150 through the interface unit 145, thereby controlling the brightness and color temperature of the LED 30.
  • the PLC unit 150 receives an AC signal loaded on an AC power line through a coupler (not shown). In addition, the PLC unit 150 processes the AC signal and transmits the signal to the PSU 140 to control the LED lighting, and also outputs a control signal to the AC-DC converter 130 to provide the AC-DC converter 130. To control. In addition, the PLC unit 150 may receive a signal monitoring the brightness and color temperature of the LEDs from the PSU 140 and convert the signal into an AC signal and transmit the signal to an external host or the AC-DC converter 130.
  • the PLC unit 150 may separate electrical energy and a high frequency signal (carrier) transmitted through the power line, and extract information from the high frequency signal.
  • the PLC unit 150 may generate a control signal for controlling the LED driving circuit 141 by data processing based on the extracted information.
  • the state signal received from the PSU (140a) can be loaded into the electric energy to the outside.
  • FIG. 4 is a block diagram illustrating another embodiment of the PSU shown in FIG. 2.
  • the constant current driving circuit 141 receives a DC voltage output from the AC-DC converter 130, and the output voltage of the DC-DC converter 144a is transferred to the PLC unit 150.
  • some of the output voltages of the DC-DC converter 144a are provided to the constant current driving circuit 141, and others are provided to the PLC unit 150. There is this.
  • the DC-DC converter 144a or 144b may be implemented as a voltage regulator.
  • the voltage output from the AC-DC converter 130 without the DC-DC converter may be provided to the constant current driving circuit 141 and the PLC unit 150.
  • the PLC unit 150 may receive a DC voltage output from the AC-DC converter 130, and the constant current driving circuit 141 may receive an output voltage of the DC-DC converter.
  • a signal monitoring the input voltage or the output voltage in the PSU 140 may be input directly to the AC-DC converter 130 without passing through the PLC unit 150.
  • the LED lighting driving circuit 20a includes a filter 291, an AC-DC converter 292, a power supply unit PSU 140, and a PLC unit 150.
  • the filter 291 is a filter for removing noise of a power line and corresponds to the filter 120 of FIG. 2.
  • the AC-DC converter 292 corresponds to one embodiment of the AC-DC converter 130 of FIG. 2.
  • the AC-DC converter 292 rectifies and converts an alternating current into DC.
  • the AC-DC converter 292 may be implemented in a flyback converter structure of a primary side regulation (PSR) type.
  • PSR primary side regulation
  • the AC-DC converter 292 includes a rectifier 293, a transformer 294, a power factor correction (PFC) 295, a power transistor TR1, a diode D1, and a capacitor unit. (296).
  • PFC power factor correction
  • the rectifier 293 rectifies and converts AC power into DC power.
  • the output of the rectifier 293 is connected to the first inductor
  • the transformer 293 may include first and second inductors L1 and L2.
  • the power transistor TR1 is connected between the first inductor L1 and the ground voltage.
  • the diode D1 is connected to the second inductor L2, and a capacitor portion 296 is connected between the output of the diode D1 and the ground voltage.
  • the PFC 295 may be connected to the gate of the power transistor and the PLC 150. PFC 295 may also be connected to the output of rectifier 293. The PFC 295 is a circuit for improving the power factor.
  • the capacitor unit 296 is configured to stabilize the output power of the AC-DC converter 130, and only capacitors may be used as shown in FIG. 5.
  • an LC filter composed of a combination of an inductor and a capacitor may be used instead of the capacitor portion 296.
  • the capacitor may be implemented as a ceramic capacitor or a film capacitor. If an LC filter is used, the capacitor size can be reduced. As a result, ceramic or film capacitors can be used instead of electrolytic capacitors to extend their lifetime.
  • the AC-DC converter 292 of the LED lighting driving circuit 20a shown in FIG. 5 has a configuration in which the transformer 294 is connected to the rear end of the rectifier 293, although not shown, According to another embodiment, the AC-DC converter 292 of the LED lighting driving circuit 20a may have a configuration in which the rectifier 293 is connected to the rear end of the transformer 294.
  • the PFC 295, the PSU 140, and the PLC 150 may be implemented as separate chips, respectively.
  • the PFC 295 and the PSU 140 may be implemented in one chip, or the PFC 295, the PSU 140 and the PLC 150 are all implemented in one chip. Can be.
  • the LED lighting driving circuit 20b includes a filter 291, an AC-DC converter 292, and a power supply unit PSU 200.
  • the configuration of the LED lighting driving circuit 20b according to another embodiment of the present invention shown in FIG. 6 is similar to that of the LED lighting driving circuit 20a shown in FIG. 5, the configuration is mainly focused on differences in order to avoid duplication of description. Describe.
  • the power supply unit 200 is a circuit including a PSU function and a PLC function.
  • FIG. 6 is an embodiment in which the PSU 140 and the PLC 150 of the LED lighting driving circuit 20a illustrated in FIG. 5 are implemented with one chip (200 of FIG. 7).
  • the power supply unit 200 may further perform a power management function. More specifically, the power supply unit 200 may monitor and manage the power used by the LED (30). For example, the LED 30 may be set to the power supply unit 200 to automatically turn off at a specific time. In this case, the power supply unit 200 may control the constant current driving circuit 141 of FIG. 3 to stop driving the LED 30 when the predetermined time period is set in advance. In addition, the power supply unit 200 may adjust the brightness or color temperature of the LED 30 for each predetermined time period. For example, the power supply unit 200 lowers the brightness of the LED 30 when the first time zone is set in advance, and then stops driving the LED 30 when the second time zone is reached (141 of FIG. 3). Can be controlled. However, the power management function of the power supply unit 200 is not limited to the above-described embodiment.
  • the AC-DC converter 292 of the LED lighting driving circuit 20b shown in FIG. 6 also has a configuration in which the transformer 294 is connected to the rear end of the rectifier 293, although not shown,
  • the AC-DC converter 292 of the LED lighting driving circuit 20b may have a configuration in which the rectifier 293 is connected to the rear end of the transformer 294.
  • the LED lighting driving circuit 20c includes a filter 391, an AC-DC converter 392, and a power supply unit 300.
  • the filter 391 is a filter for removing noise of a power line and corresponds to the filter 120 of FIG. 2.
  • the AC-DC converter 392 rectifies and converts an alternating current into DC.
  • the AC-DC converter 392 may be implemented as a flyback converter structure of a primary side regulation (PSR) type.
  • PSR primary side regulation
  • the configuration of the LED lighting driving circuit 20c according to another embodiment of the present invention illustrated in FIG. 7 is similar to that of the LED lighting driving circuit 20a illustrated in FIG. 6, the configuration of the LED lighting driving circuit 20c is mainly focused on differences in order to avoid duplication of explanation. Describe.
  • the power supply unit 300 includes a PLC function and a PFC function.
  • FIG. 7 is an embodiment in which the PFC 295, the PSU 140, and the PLC 150 of the LED lighting driving circuit 20a illustrated in FIG. 5 are implemented with one chip (300 of FIG. 7). Yes.
  • the AC-DC converter 392 shown in FIG. 7 does not include the PFC 295 as compared to the AC-DC converter 292.
  • the power supply unit 300 of FIG. 7 may also perform the above-described power management function similarly to the power supply unit 200 illustrated in FIG. 6.
  • the LED lighting driving circuit 20d includes a filter 291, an AC-DC converter 292 ′ and a power supply unit 200.
  • the AC-DC converter 292 ′ may include a transformer 294 ′ and a rectifier 293 ′.
  • the configuration of the LED lighting driving circuit 20d according to another embodiment of the present invention shown in FIG. 8 is similar to that of the LED lighting driving circuit 20c shown in FIG. 7, the configuration is mainly focused on differences in order to avoid duplication of description. Describe. While the AC-DC converter 392 of the LED lighting driving circuit 20c illustrated in FIG. 7 has a configuration in which the transformer 294 is connected to the rear end of the rectifier 293, another embodiment of the present invention illustrated in FIG. 8 is provided.
  • the AC-DC converter 292 'of the LED lighting driving circuit 20d according to the exemplary embodiment has a configuration in which a rectifier 293' is connected to the rear end of the transformer 294 '.
  • the AC-DC converter 292 ′ may further include a power transistor TR1, a diode D1, and a capacitor unit 296 like the AC-DC converter 392 shown in FIG. 7. Can be.
  • 9 is a schematic circuit diagram of an LED lighting driving circuit according to another embodiment of the present invention. 9, the PFC 295, the PSU 140, and the PLC unit 150 of the LED lighting driving circuit 20a illustrated in FIG. 5 are implemented as one chip 300 ′. Example.
  • the embodiment of FIG. 9 generates a power source for power line communication (PLC) at the front of the transformer 294 "and adjusts the brightness of the LED light connected to the rear of the transformer 294".
  • PLC power line communication
  • An AC-DC converter for sensing and driving the voltage of the auxiliary winding of 294 " is implemented in the one chip 300 '.
  • the voltage obtained by dividing the voltage of the auxiliary winding of the transformer 294 "(ie, the voltage applied to R3 and R4) of the transformer 294" converted to DC voltage using the resistors R3 and R4 is one chip 300 '.
  • the feedback terminal FB is input to adjust the luminance of the LED light connected to the rear end of the transformer 294 ".
  • the voltage of the auxiliary winding (that is, the voltage applied to R3 and R4) is input to the power terminal VCC of the one chip 300 'through the diode D1 and the resistor R2, and the DC input to the power terminal VCC.
  • the voltage may be used as a voltage required for the PSU 140 and the PLC unit 150.
  • the power required for the PLC is supplied from the power supply unit (140, 200, 300). That is, according to the embodiment of the present invention, the PLC does not generate power separately from the power line, but generates a voltage required for the PLC by using the DC voltage generated for driving the LED. In order for the PLC to generate power separately from the power line, rectifiers 293 and 393 and transformers 294 and 394 as shown in FIGS. 5 to 7 are additionally required. In this case, the number of components increases, and thus, the size and power consumption of the lamp driving circuit increase, and the cost also increases.
  • the number of components can be reduced by using a power source for a PLC derived from the DC voltage generated by one AC-DC converter 292 and 392 without separately generating it from the power line. . Furthermore, by merging circuits implemented as separate chips into one chip, the number of components can be further reduced and cost competitiveness can be increased.
  • the lifetime of a lamp can be extended by not using an electrolytic capacitor.
  • the circuit configuration of the AC-DC converter is not limited to the circuit configuration shown in FIGS. 3 to 7, and various changes may be made.
  • the power transistor TR1 is illustrated as being included in the AC-DC converter 292.
  • the present invention is not limited thereto, and the power transistor TR1 may be included in the PFC 295 or the PSU 140, 200, or 300. Can be.
  • the embodiment of the present invention is not limited to the LED lamp, and may be applied to other kinds of lamps such as incandescent lamps, fluorescent lamps, and the like.
  • the present invention can be used in LED lighting, a method of driving the lighting, and a lighting drive integrated circuit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

La présente invention se rapporte à un circuit intégré pour un éclairage et à un procédé permettant de commander un éclairage. Le circuit intégré pour un éclairage de la présente invention peut fournir de l'énergie depuis un circuit intégré (CI) de puissance sans produire à part l'énergie nécessaire pour une communication par ligne électrique lors d'une commande à distance d'un éclairage à l'aide d'une communication par ligne électrique et, donc, augmenter la compétitivité en matière de coûts. De plus, par adoption d'une structure de circuit CI de puissance qui peut effectuer une communication bidirectionnelle avec une unité de commande externe, il est possible de reconnaître et de commander l'état du circuit intégré pour l'éclairage.
PCT/KR2013/006368 2013-07-16 2013-07-16 Circuit intégré pour un éclairage et procédé permettant de commander un éclairage WO2015008878A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/006368 WO2015008878A1 (fr) 2013-07-16 2013-07-16 Circuit intégré pour un éclairage et procédé permettant de commander un éclairage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/006368 WO2015008878A1 (fr) 2013-07-16 2013-07-16 Circuit intégré pour un éclairage et procédé permettant de commander un éclairage

Publications (1)

Publication Number Publication Date
WO2015008878A1 true WO2015008878A1 (fr) 2015-01-22

Family

ID=52346314

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/006368 WO2015008878A1 (fr) 2013-07-16 2013-07-16 Circuit intégré pour un éclairage et procédé permettant de commander un éclairage

Country Status (1)

Country Link
WO (1) WO2015008878A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108811273A (zh) * 2018-05-09 2018-11-13 苏州瑞腾照明科技股份有限公司 一种调光灯具中对光源的控制方法
CN112153776A (zh) * 2020-09-18 2020-12-29 宜昌江景光电有限公司 一种无线控制led的驱动电源电路及led灯具
US20230247747A1 (en) * 2022-02-02 2023-08-03 Sealite Usa Llc Powerline Communications for Lighting Systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100948057B1 (ko) * 2009-08-18 2010-03-19 주식회사 대청마스터스 절전형 엘이디 전광판 시스템
KR101039448B1 (ko) * 2010-04-02 2011-06-07 (주)세종트로닉스 광대역 전력선 통신을 적용한 다기능 ｌｅｄ등주 제어장치
KR20110116342A (ko) * 2010-04-19 2011-10-26 김근식 조명장치를 위한 자가진단 시스템
KR20110136929A (ko) * 2010-06-16 2011-12-22 최인숙 전력선 통신을 이용한 조명 제어 시스템 및 그 제어방법
KR20120074978A (ko) * 2010-12-28 2012-07-06 엘에스산전 주식회사 전력선 통신을 이용한 ｌｅｄ 조명 제어 장치와 이를 이용한 ｌｅｄ 조명 원격 제어 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100948057B1 (ko) * 2009-08-18 2010-03-19 주식회사 대청마스터스 절전형 엘이디 전광판 시스템
KR101039448B1 (ko) * 2010-04-02 2011-06-07 (주)세종트로닉스 광대역 전력선 통신을 적용한 다기능 ｌｅｄ등주 제어장치
KR20110116342A (ko) * 2010-04-19 2011-10-26 김근식 조명장치를 위한 자가진단 시스템
KR20110136929A (ko) * 2010-06-16 2011-12-22 최인숙 전력선 통신을 이용한 조명 제어 시스템 및 그 제어방법
KR20120074978A (ko) * 2010-12-28 2012-07-06 엘에스산전 주식회사 전력선 통신을 이용한 ｌｅｄ 조명 제어 장치와 이를 이용한 ｌｅｄ 조명 원격 제어 시스템

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108811273A (zh) * 2018-05-09 2018-11-13 苏州瑞腾照明科技股份有限公司 一种调光灯具中对光源的控制方法
CN112153776A (zh) * 2020-09-18 2020-12-29 宜昌江景光电有限公司 一种无线控制led的驱动电源电路及led灯具
CN112153776B (zh) * 2020-09-18 2023-03-17 宜昌江景光电有限公司 一种无线控制led的驱动电源电路及led灯具
US20230247747A1 (en) * 2022-02-02 2023-08-03 Sealite Usa Llc Powerline Communications for Lighting Systems
EP4224724A1 (fr) * 2022-02-02 2023-08-09 Sealite USA LLC Communications par ligne électrique pour systèmes d'éclairage

Similar Documents

Publication Publication Date Title
TWI551023B (zh) Isolated power conversion system
WO2015119382A1 (fr) Circuit d'économie d'énergie en veille
WO2011108792A1 (fr) Commande d'affichage à diodes
EP3198704A1 (fr) Émetteur et récepteur de puissance sans fil
WO2010095813A2 (fr) Appareil d'éclairage led basse consommation
WO2012115323A1 (fr) Appareil de régulation de courant
WO2011081255A1 (fr) Alimentation à découpage
WO2013040876A1 (fr) Circuit de commande d'éclairage à énergie variable et tableau de contrôle d'éclairage à énergie variable
CN103250467A (zh) Led驱动电路和led驱动芯片
WO2014189284A1 (fr) Circuit de commande et procede pour generer une tension pour un dispositif d'eclairage a diode electroluminescente
WO2015008878A1 (fr) Circuit intégré pour un éclairage et procédé permettant de commander un éclairage
WO2022108339A1 (fr) Convertisseur intelligent pour dispositif de commande d'éclairage, convertisseur intelligent à thd et emi améliorés, et dispositif de commande d'éclairage le comprenant
EP3574564A1 (fr) Appareil de transmission d'électricité sans fil qui est désactivé dans un état de veille et appareil électronique comprenant un appareil de transmission d'électricité sans fil
WO2012115425A9 (fr) Appareil intelligent de conversion de la gradation de l'intensité lumineuse
WO2013180500A1 (fr) Dispositif d'affichage comprenant un rétroéclairage à del, et appareil d'alimentation et procédé d'alimentation de ce dispositif
WO2017043756A1 (fr) Dispositif et procédé d'attaque de del du type à compensation du facteur de puissance
WO2018203597A1 (fr) Appareil et procédé de conversion de puissance, et appareil électronique utilisant lesdits appareil et procédé
WO2015122753A1 (fr) Dispositif de communication utilisant une ligne électrique et système d'éclairage à del utilisant celui-ci
WO2015122635A1 (fr) Module d'entraînement de del intelligentes de type connexion directe à ca
WO2019017649A1 (fr) Dispositif d'éclairage à del et procédé de commande d'intensité lumineuse associé
WO2018074861A1 (fr) Dispositif d'alimentation électrique par induction magnétique
WO2015020265A1 (fr) Appareil d'éclairage à del
WO2019172625A1 (fr) Dispositif d'affichage comprenant un circuit de commande d'affichage à chute de tension de sortie
KR20150076481A (ko) ＰｏＥ 기반의 ＬＥＤ 조명 제어 시스템
WO2017138675A1 (fr) Appareil d'alimentation en courant continu

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: 13889455

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13889455

Country of ref document: EP

Kind code of ref document: A1