CN1705421A - Digital remote controlled dimmer switch capable of controlling energy-saving lamp - Google Patents

Digital remote controlled dimmer switch capable of controlling energy-saving lamp Download PDF

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Publication number
CN1705421A
CN1705421A CN 200410027381 CN200410027381A CN1705421A CN 1705421 A CN1705421 A CN 1705421A CN 200410027381 CN200410027381 CN 200410027381 CN 200410027381 A CN200410027381 A CN 200410027381A CN 1705421 A CN1705421 A CN 1705421A
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China
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pin
link
circuit
resistance
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CN 200410027381
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Inventor
林陈锋
胡生华
付景灿
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SHENZHEN RIFENG CO Ltd
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SHENZHEN RIFENG CO Ltd
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Priority to CN 200410027381 priority Critical patent/CN1705421A/en
Publication of CN1705421A publication Critical patent/CN1705421A/en
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Abstract

A gradually bright in switching on gradually fading down in switching off digital remote control electronic switch for light adjustment in energy saving lamp, which contains generating width adjustable square wave pulse by monolithic processor to control field effect transistor lamp current control circuit for adjusting light, providing manual and remote two operation modes, the circuit contains monolithic processor controlled pulse generation circuit, lamp current control circuit, over-zero detection circuit, remote radiation circuit, 315MHz supper regenerative reception frequency change amplifying circuit, remote decoding circuit and power supply circuit, said invention can be used for incandescent lamp, energy saving lamp and fluorescent lamp.

Description

May command electricity-saving lamp bright-dark digital remote control dimmer switch
Affiliated technical field:
The present invention a kind ofly carries out break-make control to light fixture, the memory light modulation, and have gradually bright, the electronic switch of gradually dark soft start function.
Background technology:
Traditional machinery and electronic switch, when turning on light, just carry out simple break-make control, lamp current suddenlyd change to maximum in the extremely short time when turning on light, modulating voltage effective value wink liter, cause the ambient brightness sudden change that people's vision is produced strong impact, this phenomenon is particularly outstanding when turning on light night, and this pattern of turning on light also is the main cause that causes the load bulb to damage.Be embodied in most incandescent lamp filaments and blow and all occur in the moment of turning on light, because of the physical characteristic of incandescent lamp is that cold-state resistance is much smaller than hot resistance, due to the big electric current of the moment low resistance of turning on light.
In addition, the electronic switch of present family expenses, light adjusting system all is based on the thyristor controllable silicon, when its load is capacitive loads such as electricity-saving lamp, because electric current is kept in the required conducting of controllable silicon, capacitive load can't provide in the cycle at whole civil power, and load is near the current drawn principal voltage peak value only: cause flicker easily, the phenomenon of wait seeing out of control, promptly can't with thyristor to electricity-saving lamp, electronic ballast fluorescent lamp, capacitive load is controlled and light modulation.
Summary of the invention:
When turning on light for the machinery that overcomes present family expenses and electronic switch to the impact and the rapid wear light fixture of vision, and can not control deficiency with light modulation to electricity-saving lamp, the invention provides a kind of turn on light gradually bright, it is gradually dark to turn off the light, and can be to ordinary incandescent lamp and electricity-saving lamp, the electronic ballast fluorescent lamp is controlled and light modulation, the intelligent electronic switch of band memory function.
The technical solution adopted for the present invention to solve the technical problems is:
Be provided with the Single-chip Controlling pulse generating circuit, the EDM Generator of Adjustable Duty Ratio of controlling party wave impulse, control impuls Driving Field effect spot current control circuit, when controlling the wide change of pulse of square wave, control field effect transistor ON time also changes thereupon, the voltage that can add in the load through rectification appliance also changes, thereby realize the purpose of control and light modulation, zero cross detection circuit, provide real-time zero passage comparison signal to single-chip microcomputer, to guarantee the accuracy of control impuls phase place, control command can produce by this machine button S1 S2 S3 of SCM peripheral, also can produce through receiving decoding circuit by remote controller.
Circuit unit structure of the present invention is:
Single-chip Controlling pulse generating circuit (3) has single-chip microcomputer IC 3, and memory IC 4, IC wherein 38 pin are V SSEnd links to each other with ground, and 12 pin are V CC2End is connected single-chip microcomputer IC with+5V power supply 31 pin meets button S 3An end, S 3The other end and resistance R 26One end is connected, R 26The other end and power supply+V CC2Link to each other IC 11 pin and pull down resistor R 25One end links to each other, R 25Other end ground connection.IC 32 pin PA 2, 3 pin PA 1, 4 pin PA 0Link to each other another common end grounding of exclusion RP1, the moved end of fork shift switch and R with 4,3,2 pin of exclusion RP1 and three fixed ends of fork shift switch respectively 26An end link to each other IC 35 pin RP1 link to each other with an exclusion 1 end, simultaneously and D 3, D 4And D 5Negative pole link to each other D 3Positive pole and D 1Positive pole and IC 213 pin link to each other, D 4Positive pole and IC 212 pin link to each other, D 5Positive pole and button S 2One end links to each other, S 2The other end and R 26One end links to each other, IC 36 pin, PB/-BZ links to each other the BUZ other end and resistance R with buzzer BUZ one end 23One end links to each other, R 23The other end and IC 37 pin PBO/BZ link to each other, IC 39 pin PCO-INT and resistance R 25One end and C 15An end link to each other IC 310 pin PC1-TMR are with resistance R 29One end links to each other, IC3 11 pin RZSET and capacitor C 18, resistance R18One end links to each other, C 18Another termination+V CC2, R 18The other end and R 17, C 17One end links to each other, R 17Another termination+V CC2, C 17Other end ground connection, the 13 pin OSC1 of IC3 and 14 pin OSC2 join IC with the two ends company of crystal oscillator XT1 respectively 315 pin PA7 and D 1Negative pole, C 19Positive pole, R 22One end, D 2Negative pole links to each other, D 1Positive pole and D 3Positive pole and IC 213 pin link to each other, C 19, R 22Other end ground connection, D 2Positive pole and button S 1One end links to each other, S 1The other end and R 26One end links to each other, IC 316 pin PA6 and R 19One end and IC 43 pin DI, IC 44 pin DO link to each other, IC 317 pin PA5 and IC 42 pin SK and resistance R 20One end links to each other, IC3 18 pin PA4 and IC 41 pin C SAnd resistance R 21An end link to each other R 19, R 20, R 21The other end links to each other with+5V power supply.
Field effect transistor lamp current control circuit (1) is by driving phase-reversing tube Q 4, Q 5, control valve Q 3, rectifier diode D 10, D 11, D 12, D 13, D 14, biasing resistor R 27, R 28, R 29, R 30, R 31Form field effect transistor Q 5Grid and resistance R 29One end links to each other, R 29The other end links to each other Q with single-chip microcomputer IC3 10 pin 5Source ground, Q 5Drain electrode and resistance R 31One end links to each other, R 31The other end and triode Q 4Base stage and resistance R 28One end links to each other, R 28One termination power+V CC1, Q 4Emitter and resistance R 27One end links to each other, R 27The other end and+V CC1Link to each other Q 4Collector electrode and control field effect transistor Q 3, grid and R 30An end link to each other R 30Other end ground connection, Q 3Drain electrode and D 11, D 13, D 14Negative pole link to each other Q 3Source ground, D 14Plus earth, diode D 10, D 12The anodal back ground connection that links to each other, diode D 10Negative pole and D 11Anodal linking to each other, connect the civil power live wire through protective tube, diode D 12Negative pole and D 13Positive pole is connected with load.
Zero cross detection circuit (2) is by current-limiting resistance R 32, rectifier diode D 6, D 7, D 8, D 9, resistance R 25, R 33, capacitor C 15Form diode D 8Negative pole, D 9Positive pole links to each other diode D with the civil power live wire 6Negative pole, D 7Positive pole is with resistance R 32One end connects, R 32The other end links to each other D with the civil power zero line 6, D 8Positive pole and photoelectrical coupler, IC 52 pin link to each other, D 7, D 9Negative pole link to each other with the pin of photoelectrical coupler IC5.IC 54 pin and+V CC1Link to each other IC 53 pin and resistance R 33, R 35An end link to each other R 32Other end ground connection, R 25The other end and single-chip microcomputer IC 39 pin link to each other C 15An end and IC 39 pin link to each other, C 15Other end ground connection.
315MHz remote radio frequency receiving circuit (5) is by triode Q 1, Q 2, amplifier IC 1And peripheral cell constitutes, triode Q1 wherein, and resistance R 1, R2, R3, capacitor C 1, C2, inductance L 1 are finished high frequency and are amplified; Triode Q2, resistance R 4, R5, R7, capacitor C 4, C6, C7, C8, inductance L 0, L2 form frequency changer circuit; Amplifier IC 1And peripheral component composition amplifying circuit, the former rock coded signal after the amplification frequency conversion, about 50dB that gains, the signal after the amplification is by IC 11 pin output.
The remote control decoding circuit is by decoding integrated circuit (4) IC 2And resistance R 12Form IC 2The 1-8 pin for the coding pin, is connected with the moved end of SW2-SW9, two fixed ends of SW2-SW9 connect respectively+the 5V power supply with, IC 29 pin ground connection, IC 210,11 pin are empty pin, IC 212,13 pin respectively with D 4, D 3Positive pole link to each other IC 214 pin and IC 11 pin link to each other IC 215,16 pin and resistance R 12Two ends link to each other IC respectively 218 pin and+V CC2Link to each other.
The RF remote-controlled radiating circuit of 315MHz (9) is by the coding integrated circuit (IC) 7Triode Q 7, Q 8Resistance R 34, R 35, R 36, R 37, capacitor C 26Three end potteries, filter BX, inductance L, button K 1, K 2Form, wherein, IC 7, 9 pin are the VSS grounding leg, 18 pin are+V CC2Supply pin, A 0, A 1, A 2, A 3, A 4, A 5, A 6, A 7, A 8, A 9, A 10, A 11Be coding pin, A 10, A 11Respectively with button, K 1, K 2Connect K 1, K 2Continuous back of the other end and resistance R 36Link to each other R 36The other end links to each other with the LED negative pole, LED anodal with+12V+V CC1Link to each other IC 2The X.Y pin respectively with oscillation resistance R 34Bipod link to each other IC 217 pin DO end and resistance R 35Be connected to three end ceramic filters, 1 pin, triode Q after linking to each other 7Base stage and resistance R 37One end and BXZ pin join, collector electrode and BX3 pin, R 37One end, and C 26One end links to each other, inductance L one end and C 26Link to each other the other end and+12V+V CC1Link to each other.
Power circuit (7) is by transformer T 1, bridge rectifier, IC 6, three terminal regulator Q 6, filter capacitor, C 23, C 24, C 25Constitute, wherein primary links to each other with the 220V civil power through protective tube, and secondary two inputs with bridge heap IC6 of transformation link to each other, IC6+V CCOutput and C 23Positive pole and Q 678,L05 3 pin inputs are connected C 23Minus earth, Q 62 pin ground connection, Q 61 pin ,+V CC1Output and C 24, C 25Positive pole link to each other C 24, C 25Minus earth ,+V CC1Output links to each other with the feeder ear of each circuit simultaneously.
The invention has the beneficial effects as follows by bright, dark mode gradually gradually, avoid when switch lamp jump in brightness to the intense impact of vision, prolong light fixture useful life, can be by manual or remote control light modulating, the load light fixture can be resistive light sources such as incandescent lamp, also can be electricity-saving lamp, the capacitive light source of electronic ballast daylight lamp ﹠ lantern, and also wiring simple to operate is identical with common electronic switch.
Below in conjunction with description of drawings embodiment;
Accompanying drawing 1 is an embodiment of the invention block diagram
Accompanying drawing 2 is the circuit theory diagrams of the embodiment of the invention
Accompanying drawing 3 is the remote controller schematic diagram of the embodiment of the invention
In Fig. 1, Single-chip Controlling pulse generating circuit (3) is connected with load lamp current control circuit (1), accepts the zero passage comparison signal of the sinusoidal ac of zero cross detection circuit (2) simultaneously, can be by panel feature button, S to the control command of load light fixture 1, S 2, S 3, produce, also can encode by remote controller, modulation is after the antenna emission, 315MHz radio-frequency (RF) receiving circuit (5), reception, amplification, frequency conversion, amplification, decoder integrated circuit (4) decoding produce, and the load light fixture is current controlled in lamp current control circuit (1), by this machine function button and remote controller operation, can to load carry out bright secretly, gradually bright, gradually dark, brightness adjustment control.
In embodiment illustrated in fig. 2, Single-chip Controlling pulse feature circuit, IC 310 foot control system pulse output pins are through resistance R 29With driving tube Q 5Grid connects, Q 5Drain electrode is through R 31With driving tube Q 4
Be the positive-negative-positive triode, its collector electrode and control valve Q 3Grid links to each other, IC 310 pin output amplitudes are the square wave control impuls of 5V, through Q 5, Q 4, after the secondary paraphase, Q 4Collector electrode produces amplitude 90%V CC1The square wave control impuls makes control valve Q to reach 3Thereby end or the saturated purpose that influences the load lamp electric current, simultaneously, in order to guarantee the accuracy of control impuls phase place in the whole cycle, circuit should be to IC 39 pin inject the civil power zero cross signal.
In control circuit, D 10, D 11, D 12, D 13The rectifier bridge that constitutes, its ac output end links to each other with civil power live wire and load lamp respectively, and the dc output end cross-over connection is in control valve Q 3Between drain electrode and the ground, diode D 14Negative pole and D 10, D 11, D 12, D 13The output plus terminal that constitutes rectifier bridge links to each other D 14Positive pole link to each other with ground, load lamp in circuit, control valve and rectifier bridge series relationship, this connection be make flow through load lamp for alternating current, and what flow through control valve is direct current.
In addition in embodiment illustrated in fig. 2, IC 3The control pulse generation circuit that constitutes can produce the signal of obtaining through refining of 0-9ms width, and this width is based on the half period of system's power supply, i.e. 10ms, and crystal oscillator is connected to IC 3, between 13,14 pin, provide the clock frequency of 2MHz, memory, IC 41,2,3,4 pin respectively with IC 316,7,15 pin link to each other, to realize the memory dimming function.
Button S 1One end is through diode D 2With IC 315 pin link to each other, S 1The other end is received pull-up resistor R 26An end, S 1Can provide, bright state is by turning off the light, and dark state flicking is turned on light, and the long gradually bright three kinds of patterns of pressing: button S 2One end is through D 5With IC 35 pin join, the other end and pull-up resistor R 26One end links to each other, S 2Can provide bright state flicking to turn off the light, dark state flicking is turned on light, and bright state is long by dark three kinds of patterns gradually, three positions of selection of time switch SW respectively with IC 32,3,4 pin and three ends of drop-down eliminating join, the cutter of switch is connected to pull-up resistor R 26, SW 1Can select three kinds from secretly to the brightest gradually bright time (promptly from the brightest to the dark time), the time is respectively 5 S, 10 S, 15 SButton SW 3Be memory, reset key can be remembered initial control impuls width according to the different loads lamp, i.e. initial load modulating voltage, and also scavenge system memory value regularly changes default value into, S 3Flicking is a memory function, and is long by being Protection Counter Functions.
In accompanying drawing 2 illustrated embodiments, above-mentioned feature functionality is realized and can be received decoding circuit by remote control coding emission and remote control.
At accompanying drawing 3, the remote radio frequency radiating circuit is established K 1, K 2Two buttons, K 1, K 2One end also meets back and R 36One end joins, K 1Another termination, coding integrated circuit, IC 217 pin D 0End is through R 35Add to triode Q 8Base stage is to triode Q 7, three end ceramic filters, BX, R 37, C 26, after the 315MHz radiofrequency signal that produces of inductance L vibration modulates, launch through L.
In accompanying drawing 2 embodiment, 315MHz remote control received current is by triode Q 1Resistance R 1, R 2, R 3Electric capacity L 1, L 2, inductance L 1, the high-frequency amplifier of formation, triode Q 2, C 4, C 6, C 7, C 8, L 0, L 2, resistance R 4, R 5, R 7, the frequency changer circuit of formation, operational amplifier, IC 1Resistance, R 6, R 8, R 9, R 10, R 11, R 13, R 14, R 15, R 16, capacitor C 11, C 12, C 13The amplification that constitutes, two utmost point amplifying circuits, constitute, wherein, C 3, C 9, C 10, C 14Be the power supply decoupling capacitance, decoding circuit is by IC 2, resistance R 12Code switch, SW2 ~ SW9 forms, and the control signal of telecommunication is by IC 212,13, pin is through diode D 1, D 4Deliver to IC 315,5 pin, realize control procedure.
In an embodiment, the system works power supply is by, transformer T 1, rectifier bridge IC 6, capacitor C 23, C 24, three terminal regulator 78L05 obtains, T 1Elementary with link to each other through the protective tube civil power, secondaryly link to each other with the rectification input, the rectifier bridge positive output end through filtering generation+18V+V CC1Power supply, after the 78L05 voltage stabilizing, the V of generation+5V CC2System master's supply power voltage.

Claims (4)

1, a kind of bright-dark digital remote control dimming electronic switch, it is characterized in that: be provided with field effect transistor lamp current control circuit (1), zero cross detection circuit (2), the Single-chip Controlling pulse generating circuit (3) that the band memory function is arranged that is connected with the lamp current control circuit, what be connected with the Single-chip Controlling pulse generating circuit has a remote control decoder integrated circuit (4), what be connected with decoding circuit has a 315MHZ superregenerative radiofrequency signal receiving circuit (5), the RF remote-controlled signal transmission circuit of 315MHZ (9), what link to each other with each circuit also has by step-down, bridge rectifier, filtering, the power circuit (7) that voltage stabilizing constitutes.
2, require described electronic switch according to right 1, it is characterized in that: described field effect transistor lamp current control circuit (1) is by driving phase-reversing tube Q 4, Q 5, control valve Q 3, rectifier diode D 10, D 11, D 12, D 13, D 14, biasing resistor R 27, R 28, R 29, R 30, R 31Form field effect transistor Q 5Grid and resistance R 29One end links to each other, R 29The other end and single-chip microcomputer IC 310 pin link to each other, Q 5Source ground, Q 5Drain electrode and resistance R 31One end links to each other, R 31The other end and triode Q 4Base stage and resistance R 28One end links to each other, R 28One termination power+V CC1, Q 4Emitter and resistance R 27One end links to each other, R 27The other end and+V CC1Link to each other Q 4Collector electrode and control field effect transistor Q 3, grid and R 30An end link to each other R 30Other end ground connection, Q 3Drain electrode and D 11, D 13, D 14Negative pole link to each other Q 3Source ground, D 14Plus earth, diode D 10, D 12The anodal back ground connection that links to each other, diode D 10Negative pole and D 11Anodal linking to each other, connect the civil power live wire through protective tube, diode D 12Negative pole and D 13Positive pole is connected with load.
3, electronic switch according to claim 1 is characterized in that: Single-chip Controlling pulse generating circuit (3) has single-chip microcomputer IC 3, and memory IC 4, IC wherein 38 pin are V SSEnd links to each other with ground, and 12 pin are V DDEnd is connected single-chip microcomputer IC with+5V power supply 31 pin meets button S 3An end, S 3The other end and resistance R 26One end is connected, R 26The other end and power supply+V DDLink to each other IC 11 pin and pull down resistor R 25One end links to each other, R 25Other end ground connection.IC 32 pin PA 2, 3 pin PA 1, 4 pin PA 0Link to each other another common end grounding of exclusion RP1, the moved end of fork shift switch and R with 4,3,2 pin of exclusion RP1 and three fixed ends of fork shift switch respectively 26An end link to each other IC 35 pin RP1 link to each other with an exclusion 1 end, simultaneously and D 3, D 4And D 5Negative pole link to each other D 3Positive pole and D 1Positive pole and IC 213 pin link to each other, D 4Positive pole and IC 212 pin link to each other, D 5Positive pole and button S 2One end links to each other, S 2The other end and R 26One end links to each other, IC 36 pin, PB/-BZ links to each other the BUZ other end and resistance R with buzzer BUZ one end 23One end links to each other, R 23The other end and IC 37 pin PBO/BZ link to each other, IC 39 pin PCO-INT and resistance R 25One end and C 15An end link to each other IC 310 pin PC1-TMR are with resistance R 29One end links to each other, IC 311 pin RZSET and capacitor C 18, resistance R 18One end links to each other, C 18Another termination+V DD, R 18The other end and R 17, C 17One end links to each other, R 17Another termination+V DD, C 17Other end ground connection, IC 313 pin OSC1 and 14 pin OSC2 connect with the two ends of crystal oscillator XT1 respectively and join IC 315 pin PA7 and D 1Negative pole, C 19Positive pole, R 22One end, D 2Negative pole links to each other, D 1Positive pole and D 3Positive pole and IC 213 pin link to each other, C 19, R 22Other end ground connection, D 2Positive pole and button S 1One end links to each other, S 1The other end and R 26One end links to each other, IC 316 pin PA6 and R 19One end and IC 43 pin DI, IC 44 pin DO link to each other, IC 317 pin PA5 and IC 42 pin SK and resistance R 20One end links to each other, IC 318 pin PA4 and IC 41 pin C SAnd resistance R 21An end link to each other R 19, R 20, R 21The other end links to each other with+5V power supply.
4, according to the described electronic switch of claim, it is characterized in that: described zero cross detection circuit (2) is by current-limiting resistance R 32, rectifier diode D 6, D 7, D 8, D 9, resistance R 25, R 33, capacitor C 15Form diode D 8Negative pole, D 9Positive pole links to each other diode D with the civil power live wire 6Negative pole, D 7Positive pole is with resistance R 32One end connects, R 32The other end links to each other D with the civil power zero line 6, D 8Positive pole and photoelectrical coupler, IC 52 pin link to each other, D 7, D 9Negative pole and photoelectrical coupler IC 5A pin link to each other.IC 54 pin and+V CC1Link to each other IC 53 pin and resistance R 33, R 35An end link to each other R 32Other end ground connection, R 25The other end and single-chip microcomputer IC 39 pin link to each other C 15An end and IC 39 pin link to each other, C 15Other end ground connection.
CN 200410027381 2004-06-01 2004-06-01 Digital remote controlled dimmer switch capable of controlling energy-saving lamp Pending CN1705421A (en)

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CN 200410027381 CN1705421A (en) 2004-06-01 2004-06-01 Digital remote controlled dimmer switch capable of controlling energy-saving lamp

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Application Number Priority Date Filing Date Title
CN 200410027381 CN1705421A (en) 2004-06-01 2004-06-01 Digital remote controlled dimmer switch capable of controlling energy-saving lamp

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007029996A2 (en) * 2005-09-05 2007-03-15 Instituto Tecnologico Y De Estudios Superiores De Monterrey Energy conservation using an improved electronic scanning circuit
WO2011075881A1 (en) * 2009-12-21 2011-06-30 Zou Gaodi Method for adjusting light of fluorescent lamp
WO2012000159A1 (en) * 2010-06-28 2012-01-05 宁波江北博泰电子科技有限公司 Light regulatable led illumination lamp
CN101527991B (en) * 2008-12-12 2012-07-25 东莞华明灯具有限公司 Electronic light modulator
CN106686835A (en) * 2017-03-05 2017-05-17 张银月 Circuit for adjusting electric appliance parameters through sine wave decoding and coding control circuit thereof
CN110392469A (en) * 2019-07-18 2019-10-29 上海外高桥造船有限公司 Ship LED illumination System and its soft starting device
CN110446295A (en) * 2019-07-01 2019-11-12 鹰潭阳光照明有限公司 A kind of remote-controlled dimmer circuit
CN112637995A (en) * 2020-12-22 2021-04-09 深圳市宝瑞恒业科技有限公司 LED lamp control method, controller, LED lamp and control system thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007029996A2 (en) * 2005-09-05 2007-03-15 Instituto Tecnologico Y De Estudios Superiores De Monterrey Energy conservation using an improved electronic scanning circuit
WO2007029996A3 (en) * 2005-09-05 2007-06-14 Itesm Energy conservation using an improved electronic scanning circuit
CN101527991B (en) * 2008-12-12 2012-07-25 东莞华明灯具有限公司 Electronic light modulator
WO2011075881A1 (en) * 2009-12-21 2011-06-30 Zou Gaodi Method for adjusting light of fluorescent lamp
WO2012000159A1 (en) * 2010-06-28 2012-01-05 宁波江北博泰电子科技有限公司 Light regulatable led illumination lamp
CN106686835A (en) * 2017-03-05 2017-05-17 张银月 Circuit for adjusting electric appliance parameters through sine wave decoding and coding control circuit thereof
CN106686835B (en) * 2017-03-05 2024-04-02 张银月 Circuit for adjusting electric appliance parameters by sine wave decoding and coding control circuit thereof
CN110446295A (en) * 2019-07-01 2019-11-12 鹰潭阳光照明有限公司 A kind of remote-controlled dimmer circuit
CN110392469A (en) * 2019-07-18 2019-10-29 上海外高桥造船有限公司 Ship LED illumination System and its soft starting device
CN110392469B (en) * 2019-07-18 2022-03-08 上海外高桥造船有限公司 Ship LED lighting system and soft starting device thereof
CN112637995A (en) * 2020-12-22 2021-04-09 深圳市宝瑞恒业科技有限公司 LED lamp control method, controller, LED lamp and control system thereof

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