CN101742762A - Drive and control circuit device of LED lamp - Google Patents
Drive and control circuit device of LED lamp Download PDFInfo
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- CN101742762A CN101742762A CN200810194805A CN200810194805A CN101742762A CN 101742762 A CN101742762 A CN 101742762A CN 200810194805 A CN200810194805 A CN 200810194805A CN 200810194805 A CN200810194805 A CN 200810194805A CN 101742762 A CN101742762 A CN 101742762A
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- 230000001105 regulatory effect Effects 0.000 abstract description 11
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- 238000001914 filtration Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 230000005059 dormancy Effects 0.000 description 3
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- 238000004134 energy conservation Methods 0.000 description 3
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- 230000002035 prolonged effect Effects 0.000 description 2
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- 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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a drive and control circuit device of an LED lamp, comprising an AT89S52 singlechip, an expansion system, a communication interface drive circuit, an external clock circuit, an expansion interface circuit and a current driving and regulating circuit, wherein 24 V voltage output by a switch power supply is converted into 5 V voltage by a voltage-stabilized power supply chip LM2576HVT-5.0 and then filtered by a power supply filtering loop and input as the stable voltage of the AT89S52 singlechip; the AT89S52 singlechip, the external clock circuit and the RS232 communication interface drive circuit realize timing and communication functions; and an output signal controls the switch-on and the switch-off of a four-way switch integrated circuit MC14066 through an octonary tristate amplifier switch chip SN74HC573DW so as to change the voltage of an ZXLD1362 current regulating end, realize the driving of the LED lamp and regulate the specification requirements of current. The invention has the functions of computation, remote control and remote regulation and can flexibly set a switching time mode and a brightness regulation scheme of the LED lamp according to concrete conditions, i.e. seasons, weather, fields, days, nights, and the like and achieve the purpose of great energy saving.
Description
Technical field
The invention belongs to the automatic control technology field, be specifically related to a kind of LED light fixture driving control device.
Background technology
The LED light fixture is a kind of novel green illuminating product that uses the led chip array as light-emitting component, compares with conventional lamp to have advantages such as efficient height, the life-span is long, radiation is little.
At present, the LED light fixture generally all adopts current drives, and type of drive commonly used is constant DC driven, and the brightness of LED is to keep constant at work, and there are many deficiencies in this lighting system:
There is difference the time round the clock of every day in (1) one year 365 days, and lighting is inappropriate according to unalterable pattern switching time, and causes unnecessary waste easily;
(2) in dusk of LED light fixture work, night and morning three time periods, lighting demand is had nothing in common with each other, and it also is improper and waste adopting unalterable luminance patterns illumination;
(3) manual adjustments LED lamp brightness difficulty can not satisfy instant brightness regulation demand;
(4) because the characteristic of led chip makes it that the variation of physical characteristic can take place along with accumulation service time, particularly when the chip continuous firing, operating current can increase and raise gradually by number when use, the PN junction temperature also increases, this will have a strong impact on the luminescent properties of chip, and can shorten life-span of led chip, therefore need to give the certain dormancy time of led chip.
Summary of the invention
The purpose of this invention is to provide a kind of LED light fixture drive unit, have regularly, remote control, the remote regulating function, thus reach convenient, efficient, energy-conservation effect.
Technical solution of the present invention is as follows:
Said a kind of LED light fixture driving control device comprises: single-chip microcomputer (1), data storage (2), latch cicuit (3), Current Regulation drive current (4), communication interface circuit (5), clock circuit (6), LED load (7);
The serial delivery outlet of single-chip microcomputer (1) is connected with the serial delivery outlet with the serial input port of communication interface circuit (5) respectively with the serial input port; The external upper main control system of interface circuit (5);
The write gate end of single-chip microcomputer (1) is connected with the write gate end with the read gate end of clock circuit (6) respectively with the read gate end; The interrupt signal end of single-chip microcomputer (1) is connected with the interrupt signal end of clock circuit (6);
The read gate end of single-chip microcomputer (1) is connected with the read gate end with the write gate end of data storage (2) respectively with the write gate end;
Eight pins of the P1 mouth of the two-way I/O of single-chip microcomputer (1) latch control end with eight of latch cicuit (3) respectively and are connected; The input port of the two-way I/O Po of single-chip microcomputer (1) mouth and latch cicuit (3) is connected;
Current Regulation drive circuit (4) comprises a four-way switch chip and a LED Current Regulation chip for driving, and the output of latch cicuit (3) is connected with the control end of four-way switch chip; The output of four-way switch chip is connected with the control end of LED Current Regulation chip for driving; The output of LED Current Regulation chip for driving is connected with LED load (7);
Single-chip microcomputer (1) adopts AT89S52 type single-chip microcomputer, data storage (2) adopts the FM24C512 chip, latch cicuit (3) adopts the SN74HC573DW chip, the four-way switch chip adopts MC14066, come LED Current Regulation chip for driving to adopt ZXLD1362, communication interface circuit (5) adopts the MAX232 chip, and clock circuit (6) adopts the PCF8583 chip;
The RX end of communication interface chip U5, TX end are connected with TXD end, the RXD end of singlechip chip respectively.
The SDA1 of clock chip U4, SCL1, DTT1 end respectively with the SDA of single-chip microcomputer, SCL, DTT holds connection; The SDA2 of pin-saving chip U3, SCL2 end respectively with single-chip microcomputer SDA, SCL holds connection; Chip Microcomputer A 1, AD2, AD3, AD4, AD5, AD6, AD7, AD8 holds respectively and latchs the D1 of chip U102, D2, D3, D4, D5, D6, D7, D8 holds connection; Single-chip microcomputer P1 end is connected with the LE end that latchs chip U102; Latch chip output Q1, Q2, Q3, Q4 are connected with four-way switch chip controls input CTR11.CTR12.CTR13.CTR14 respectively; The output OUT of four-way switch is connected with LED Current Regulation chip for driving control end ADT; The INSENSE end of LED Current Regulation drive circuit, the LX end connects the both positive and negative polarity of load LED respectively.
R10-1, R10-2, R10-3 is connected between the power positive cathode after the R10-4 series connection, four IN inputs of four-way switch chip respectively with R101 and R102 common port, the common port of R102 and R103, R10-3 R10-4 common port, and the end connection of power supply ground.
Good effect of the present invention is:
Because this device possesses computer remote control remote regulating function, thereby can be, wait concrete condition that the pattern and brightness regulation scheme switching time of LED light fixture is set flexibly round the clock, thereby reach significantly purpose of energy saving according to season, weather, scene
Description of drawings
Fig. 1 is the system block diagram of LED lamp Drive and Control Circuit device of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is the single-chip microcomputer expansion interface schematic diagram among the present invention;
Fig. 4 is the Current Control regulating circuit schematic diagram among the present invention;
Fig. 5 is the clock circuit schematic diagram among the present invention;
Fig. 6 is the communication interface circuit theory diagrams among the present invention;
Fig. 7 is the circuit theory diagrams of the data storage chip FM24C512 among the present invention.
Specific embodiments
A kind of embodiment of LED lamp Drive and Control Circuit device of the present invention is as follows:
Fig. 1 has provided the system block diagram of present embodiment LED lamp Drive and Control Circuit device; Fig. 2 is the circuit theory diagrams of LED lamp Drive and Control Circuit device.
The primary clustering symbol description that relates among the figure is as follows:
Single chip computer AT 89S52,
The pin TXD of single chip computer AT 89S52, the pin P1 of single chip computer AT 89S52,
The pin RXD of single chip computer AT 89S52, the interrupt pin INT of single chip computer AT 89S52,
The pin SDA of single chip computer AT 89S52, the pin SCL of single chip computer AT 89S52,
The first pin AD1 of single chip computer AT 89S52, the second pin AD2 of single chip computer AT 89S52,
The 3rd pin AD3 of single chip computer AT 89S52, the 4th pin AD4 of single chip computer AT 89S52,
The 5th pin AD5 of single chip computer AT 89S52, the 6th pin AD6 of single chip computer AT 89S52,
The 7th pin AD7 of single chip computer AT 89S52, the 8th pin AD8 of single chip computer AT 89S52,
Communication interface chip MAX232,
The pin RX of communication interface chip MAX232, the pin TX of communication interface chip MAX232,
Real-time timepiece chip PCF8583, the pin INT1 of real-time timepiece chip PCF8583,
The pin SDA1 of real-time timepiece chip PCF8583, the pin SCL1 of real-time timepiece chip PCF8583,
External data memory FM24C512,
The pin SDA2 of external data memory FM24C512, the pin SCL3 of external data memory FM24C512,
The ternary amplifier switch chip of octal system SN74HC573DW,
The pin D1 of the ternary amplifier switch chip of octal system SN74HC573DW,
The pin D2 of the ternary amplifier switch chip of octal system SN74HC573DW,
The pin D3 of the ternary amplifier switch chip of octal system SN74HC573DW,
The pin D4 of the ternary amplifier switch chip of octal system SN74HC573DW,
The pin D5 of the ternary amplifier switch chip of octal system SN74HC573DW,
The pin D6 of the ternary amplifier switch chip of octal system SN74HC573DW,
The pin D7 of the ternary amplifier switch chip of octal system SN74HC573DW,
The pin D8 of the ternary amplifier switch chip of octal system SN74HC573DW,
Four-way switch integrated circuit (IC) chip MC14066, the pin OUT of chip MC14066,
The first pin CTRL1 of chip MC14066, the second pin CTRL2 of chip MC14066,
The 3rd pin CTRL3 of chip MC14066, the 4th pin CTRL4 of chip MC14066,
Led driver chip ZXLD1362, the pin ADJ of chip ZXLD1362,
The pin Isense of chip ZXLD1362, the pin LX of chip ZXLD1362.
See figures.1.and.2, a kind of LED lamp Drive and Control Circuit device of the present invention is an extend system scp Drive and Control Circuit device, comprising:
One AT89S52 single-chip microcomputer;
One external clock circuit, with thinking that Single Chip Microcomputer (SCM) system work provides calendar and time accurately, and output alarm able to programme is regularly and interrupt function;
One RS232 communication interface drive circuit is used to connect single-chip microcomputer and PC, realizes communication function;
The ternary amplifier switch chip of one latch circuit octal system SN74HC573DW in order to the expansion interface microcontroller, and connects the current drives regulating circuit;
One current drives regulating circuit comprises " four-way switch integrated circuit " MC14066, chip ZXLD1362, and four divider resistances in order to the electric current of adjusting LED load, thereby are regulated brightness.)
Specifically comprise as the lower part: an AT89S52 single-chip microcomputer and an expanding system: communication interface drive circuit, external clock circuit, expansion interface circuit and current drives regulating circuit.
Pin TXD, the RXD of single chip computer AT 89S52 connects with MAX232 pin RX, TX in the communication interface drive circuit, wherein MAX232 is the serial communication interface chip, as shown in Figure 3, signal that PC writes a program is converted into useful signal input single-chip microcomputer via MAX232, thereby realized brightness regulation and the controlled function of PC, solved the LED street lamp and regulated difficult problem the LED street lamp;
Single chip computer AT S8952 connects with real-time clock integrated circuit chip PCF8583 according to the I2C agreement, Fig. 5 is a LED lamp Drive and Control Circuit device clock circuit, wherein real-time clock integrated circuit chip PCF8583 is a kind of real-time clock integrated circuit, I2C bus output pulse 2.5V-6V, built-in 240*8 bit data memory, can provide calendar and time accurately, output alarm timing able to programme and interrupt function.VCC provides power supply by protective resistance R113 and reverse-phase protection diode D101 to clock chip among Fig. 5; crystal oscillator Y20 sends clock signal with clock chip resonance; by SCL1 (serial clock), SDA1 (serial data) pin is sent into MCU after receiving the enabling signal that MCU sends.Real-time clock integrated circuit provides calendar and time accurately according to internal processes, pin INT sends into significant level to the corresponding interrupt pin INT of single-chip microcomputer and realizes interrupt function, single-chip microcomputer SDA, SCL pin are connected with SDA1, the SCL1 pin of real-time clock integrated circuit, by PC the program of establishing in the real-time clock integrated circuit is programmed, thereby realized that the LED light fixture threw light on according to calendar that configures and time, had broken through traditional single light illumination mode;
Single chip computer AT 89S52 connects with SDA2, the SCL2 pin of external memorizer circuit according to SDA, the SCL pin of I2C agreement with single chip computer AT 89S52, single chip computer AT 89S52 operation external memorizer circuit internal processes, by PC the program of establishing in the external data memory is programmed, thereby the control single chip computer expanding system has been realized energy-conservation effect according to the light illumination mode work that configures;
The pin P1 of single chip computer AT 89S52 connects with the pin LE of the ternary amplifier switch chip of octal system SN74HC573DW, pin AD1～AD8 of single chip computer AT 89S52 connects with pin D1～D8 of the ternary amplifier switch chip of octal system SN74HC573DW, the level of single-chip microcomputer pin P1 is sent into the LE pin of the ternary amplifier switch chip of octal system, the ternary amplifier switch chip of gating octal system D1～D8 pin, the last signal of single-chip microcomputer pin D1～D8 is input to the ternary amplifier switch chip of octal system D1～D8 pin, thereby can determine which paths of LEDs load starts working, which paths of LEDs array wouldn't be worked, realized that the circulation of whole led array lights, for the LED load provides certain dormancy time, guarantee the service behaviour of LED load, and prolonged the working life of LED load;
Q1～Q4 pin of the ternary amplifier switch chip of octal system SN74HC573DW connects with the corresponding CTRL1 pin of four-way switch integrated circuit MC14066, and the signal of Q1～Q4 pin of the ternary amplifier switch chip of octal system SN74HC573DW writes the corresponding CTRL1 pin of four-way switch integrated circuit MC14066BD; The out pin of four-way switch integrated circuit MC14066 connects with the pin ADJ of Current Regulation drive circuit ZXLD1362, and chip ZXLD1362 is the led driver of a built-in switch, as shown in Figure 4, has the pin of a scalable driving LED electric current.Adopted 4 grades of divider resistances to regulate the drive current of LED, the node of each divider resistance is all controlled with MC14066BD, and as shown in Figure 5, MC14066BD is 4 tunnels analogy switches.The control pin of analog switch is controlled by SN74HC573 by the control port output of single-chip microcomputer.The signal of four-way switch integrated circuit out pin output is input to the ADJ pin of Current Regulation drive circuit ZXLD1362; Series LED between the pin Isense of Current Regulation drive circuit ZXLD1362 and the pin LX, high-quality current signal is luminous by Current Regulation drive circuit Isense pin output driving LED, thereby the specification requirement of electric current is regulated in the driving of realization serial connection led chip simultaneously.
During the work of present embodiment LED lamp Drive and Control Circuit device, because which paths of LEDs array the ternary amplifier switch chip of LED lamp Drive and Control Circuit device use single chip computer AT 89S52 control octal system of the present invention SN74HC573DW determines and starts working, which paths of LEDs array wouldn't be worked, realized that the circulation of whole led array lights, for led chip provides certain dormancy time, guarantee the service behaviour of led chip, and prolonged the working life of led chip; Because the output signal of single-chip microcomputer is by connection and the shutoff of the ternary amplifier switch chip of octal system SN74HC573DW control " four-way switch integrated circuit " MC14066 among the present invention, thereby change the voltage of chip ZXLD1362 Current Regulation end, the operating current of led chip is divided for 4 grades: be respectively bright entirely, 75% brightness, 25% brightness and extinguish, realized that the driving of serial connection led chip regulates the specification requirement of electric current simultaneously, such regulative mode is safe and reliable, and can satisfy different lighting demands; Because single-chip microcomputer 89S52 can directly be connected with computer by RS232 communication interface drive circuit, the luminescent properties of led array is set and adjusted among the present invention thereby can be convenient to use computer; Can provide calendar and time accurately for Single Chip Microcomputer (SCM) system work owing to the external clock circuit among the present invention, thereby can realize according to Chinese lunar calendar length time and set the switch that different time sections is determined led array round the clock by programming, realistic operating position, and energy-conservation.
Claims (2)
1. LED light fixture driving control device, it is characterized in that: said a kind of LED light fixture driving control device comprises: single-chip microcomputer (1), data storage (2), latch cicuit (3), Current Regulation drive current (4), communication interface circuit (5), clock circuit (6), LED load (7);
The serial delivery outlet of single-chip microcomputer (1) is connected with the serial delivery outlet with the serial input port of communication interface circuit (5) respectively with the serial input port; The external upper main control system of interface circuit (5);
The write gate end of single-chip microcomputer (1) is connected with the write gate end with the read gate end of clock circuit (6) respectively with the read gate end; The interrupt signal end of single-chip microcomputer (1) is connected with the interrupt signal end of clock circuit (6);
The read gate end of single-chip microcomputer (1) is connected with the read gate end with the write gate end of data storage (2) respectively with the write gate end;
Eight pins of the P1 mouth of the two-way I/O of single-chip microcomputer (1) latch control end with eight of latch cicuit (3) respectively and are connected; The input port of the two-way I/O Po of single-chip microcomputer (1) mouth and latch cicuit (3) is connected;
Current Regulation drive circuit (4) comprises a four-way switch chip and a LED Current Regulation chip for driving, and the output of latch cicuit (3) is connected with the control end of four-way switch chip; The output of four-way switch chip is connected with the control end of LED Current Regulation chip for driving; The output of LED Current Regulation chip for driving is connected with LED load (7).
2. a kind of LED light fixture driving control device according to claim 1, it is characterized in that: single-chip microcomputer (1) adopts AT89S52 type single-chip microcomputer, data storage (2) adopts the FM24C512 chip, latch cicuit (3) adopts the SN74HC573DW chip, the four-way switch chip adopts MC14066, come LED Current Regulation chip for driving to adopt ZXLD1362, communication interface circuit (5) adopts the MAX232 chip, and clock circuit (6) adopts the PCF8583 chip;
The RX end of communication interface chip U5, TX end are connected with TXD end, the RXD end of singlechip chip respectively;
The SDA1 of clock chip U4, SCL1, DTT1 end respectively with the SDA of single-chip microcomputer, SCL, DTT holds connection; The SDA2 of pin-saving chip U3, SCL2 end respectively with single-chip microcomputer SDA, SCL holds connection; Chip Microcomputer A 1, AD2, AD3, AD4, AD5, AD6, AD7, AD8 end are connected with the D1 that latchs chip U102, D2, D3, D4, D5, D6, D7, D8 end respectively; Single-chip microcomputer P1 end is connected with the LE end that latchs chip U102; Latching chip output Q1, Q2, Q3, Q4 is connected with four-way switch chip controls input CTR11, CTR12, CTR13, CTR14 respectively; The output OUT of four-way switch is connected with LED Current Regulation chip for driving control end ADT; The I NSENSE end of LED Current Regulation drive circuit, the LX end connects the both positive and negative polarity of load LED respectively.
3 a kind of LED light fixture driving control devices according to claim 1 and 2, it is characterized in that: be connected between the power positive cathode after R10-1, R10-2, R10-3 and the R10-4 series connection, four IN inputs of four-way switch chip respectively with R101 and R102 common port, the common port of R102 and R103, R10-3 and R10-4 common port, and power supply ground end connects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101948059A CN101742762B (en) | 2008-11-07 | 2008-11-07 | Drive and control circuit device of LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101948059A CN101742762B (en) | 2008-11-07 | 2008-11-07 | Drive and control circuit device of LED lamp |
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| CN101742762A true CN101742762A (en) | 2010-06-16 |
| CN101742762B CN101742762B (en) | 2013-01-16 |
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| CN2008101948059A Expired - Fee Related CN101742762B (en) | 2008-11-07 | 2008-11-07 | Drive and control circuit device of LED lamp |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072449A (en) * | 2010-11-17 | 2011-05-25 | 上海中晔环保科技有限公司 | Novel fishing net beacon light |
| CN102711333A (en) * | 2012-05-20 | 2012-10-03 | 黄文武 | Light-emitting diode (LED) control system |
| CN103167713A (en) * | 2013-02-02 | 2013-06-19 | 德清县伊科爱能电子科技有限公司 | Variable power economizer used for adjusting light of street lamp |
| CN103167712A (en) * | 2013-02-02 | 2013-06-19 | 德清县伊科爱能电子科技有限公司 | Light-adjusting drive circuit of high-pressure gas discharge lamp |
| CN103281845A (en) * | 2013-06-19 | 2013-09-04 | 苏州信亚科技有限公司 | Wireless remote control switch device of LED lamps |
| WO2015089731A1 (en) * | 2013-12-17 | 2015-06-25 | 深圳普得技术有限公司 | Led driving apparatus and driving method and led lamp |
| CN111556623A (en) * | 2020-05-11 | 2020-08-18 | 上海顺舟智能科技股份有限公司 | Intelligent lighting control equipment, method, system and medium based on Internet of things technology |
Family Cites Families (3)
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| CN2543155Y (en) * | 2002-04-25 | 2003-04-02 | 北方交通大学 | LED electronic bus stop signpole capable of indicaging position of vehicle |
| CN201130516Y (en) * | 2007-11-20 | 2008-10-08 | 康佳集团股份有限公司 | LED display modular control circuit |
| CN201414247Y (en) * | 2008-11-07 | 2010-02-24 | 安徽朗天新能源科技有限公司 | LED lamps driving and controlling apparatus |
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- 2008-11-07 CN CN2008101948059A patent/CN101742762B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072449A (en) * | 2010-11-17 | 2011-05-25 | 上海中晔环保科技有限公司 | Novel fishing net beacon light |
| CN102711333A (en) * | 2012-05-20 | 2012-10-03 | 黄文武 | Light-emitting diode (LED) control system |
| CN103167713A (en) * | 2013-02-02 | 2013-06-19 | 德清县伊科爱能电子科技有限公司 | Variable power economizer used for adjusting light of street lamp |
| CN103167712A (en) * | 2013-02-02 | 2013-06-19 | 德清县伊科爱能电子科技有限公司 | Light-adjusting drive circuit of high-pressure gas discharge lamp |
| CN103167713B (en) * | 2013-02-02 | 2016-01-06 | 德清县伊科爱能电子科技有限公司 | A kind of Variable power energy-saving appliance for carrying out light modulation to street lamp |
| CN103281845A (en) * | 2013-06-19 | 2013-09-04 | 苏州信亚科技有限公司 | Wireless remote control switch device of LED lamps |
| WO2015089731A1 (en) * | 2013-12-17 | 2015-06-25 | 深圳普得技术有限公司 | Led driving apparatus and driving method and led lamp |
| CN111556623A (en) * | 2020-05-11 | 2020-08-18 | 上海顺舟智能科技股份有限公司 | Intelligent lighting control equipment, method, system and medium based on Internet of things technology |
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|---|---|
| CN101742762B (en) | 2013-01-16 |
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