CN105828481B - A kind of half-wave shunting LED drive device - Google Patents
A kind of half-wave shunting LED drive device Download PDFInfo
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- CN105828481B CN105828481B CN201610329507.0A CN201610329507A CN105828481B CN 105828481 B CN105828481 B CN 105828481B CN 201610329507 A CN201610329507 A CN 201610329507A CN 105828481 B CN105828481 B CN 105828481B
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- shunt
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- 238000011084 recovery Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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- 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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of half-wave shunting LED drive device, is made up of a LED driving power circuit with being connected in parallel on the half-wave shunt circuit of power input.The LED driving power circuit is 90 250VAC or the exchange input of 50 120VAC scopes, the half-wave shunt circuit are connected in parallel on the ac input end of the LED driving power circuit.The present invention takes full advantage of the wide-range input voltage characteristic of LED driving power circuit and is connected in parallel on one-way distributing power supply function of the half-wave shunt circuit to exchange electrical circuit where LED of the driving power circuit input end, conveniently realizes the single fire line control realized using any control device being connected in same group of exchange electrical circuit to LED.The present invention easily realizes the single fire line control of LED by simple, reliable, cheap half-wave shunting mode, has high application value in terms of smart home and intelligent lighting controls.
Description
Technical field
The present invention relates to Intelligent House Light control field, specifically a kind of half-wave shunting LED driving dress
Put.
Background technology
LED just quickly spreads to huge numbers of families, meanwhile, for LED etc. intelligent lighting controls product also quick
Ordinary people man is spread to, if realizing illumination intelligent control on the premise of realizing motionless finishing, must just use single live wire
Be installed in series mode.At present, in the electronics and intelligent control product of the installation of single live wire serial connection, generally using utilizing light fixture
Faint leakage current the technology of single fire line control panel work electricity consumption is provided, using the single fire line control of this technology, light fixture exists
It is not closing truly during so-called "Off" state, but in minimum leakage current, the eye of people is fine can't see light
Bright "on" position.
But if matched between the leakage current of single fire line control panel and minimum " not lighting " leakage current of LED lamp
When bad (this is common phenomenon), flicker state just occurs in light, and this has become the most development that this industry is faced
Obstacle.
The content of the invention
The purpose of the present invention is the wide-range input voltage characteristic using LED, and use the half-wave conducting of diode
Principle realization in a manner of half-wave shunts, is realized and LED and control device connected in series is realized completely in single loop
Independent half-wave power supply.
Technical scheme is as follows：
A kind of half-wave shunting LED drive device, it is characterised in that including at least one LED driving power circuit
And at least one set of half-wave shunt circuit；
The LED driving power circuit inputs for the exchange of 90-250VAC or 50-120VAC scopes, half wavelength-division
Current circuit is connected in parallel on the ac input end of the LED driving power circuit.
The half-wave shunt circuit is that at least one ac circuit half-wave power supply shunt diode recovers with least one
Over-current protection device or circuit connected in series composition.When alternating current input is positive half-wave, the ac circuit half-wave power supply shunting two
Pole pipe is turned on, and half-wave power supply is provided for ac circuit；When alternating current input is bears half-wave, the ac circuit half-wave power supply
Shunt diode ends, and now, the LED driving power circuit obtains half-wave supply input.
It is described can flow recovery protection device or circuit include PTC thermistor, self- recoverage protective tube and overcurrent protection
Circuit；There is short circuit or during over-current phenomenon avoidance when half-wave shunt circuit is in the conduction state, it is described can flow recovery protection device or
Circuit is by automatic cutoff circuit or in high-impedance state.
Beneficial effect：
The present invention takes full advantage of the wide-range input voltage characteristic of LED driving power circuit and is connected in parallel on driving electricity
One-way distributing independently-powered effect of the half-wave shunt circuit of source circuit input to exchange electrical circuit where LED, it is convenient real
The single fire line control realized using any control device being connected in same group of exchange electrical circuit to LED is showed.
Meanwhile the present invention using can flow recovery protection device or circuit can ensure that excessively stream in mechanical switch short circuit
Protection, so as to realize the control mode to LED loop of intelligent control device and standard machinery switch compatibility.
The present invention easily realizes the single fire line control of LED by simple, reliable, cheap half-wave shunting mode,
There is high application value in terms of smart home and intelligent lighting controls.
Brief description of the drawings
Fig. 1 is principle of the invention block diagram.
Fig. 2 is single live wire smart machine control embodiment schematic diagram for LED.
Fig. 3 is this mechanical switch control embodiment schematic diagram to LED.
Label represents：LED driving power circuit 101, half-wave shunt circuit 201, ac circuit half-wave power supply shunting two
Pole pipe 202, can flow recovery protection device or circuit 203, LED 301, half-wave shunting LED drive device 001, intelligence
Control device 002, LED loop shunt diode 401, controllable switch element 501, intelligent control circuit 601, mechanical switch
502。
Embodiment
Referring to Fig. 1, a kind of half-wave shunting LED drive device, it is characterised in that driven including at least one LED
Power circuit 101 and at least one set of half-wave shunt circuit 201.
(or direct current is defeated for the alternating voltage input that the LED driving power circuit 101 is 90-250VAC or 50-120VAC
Go out power supply) scope, the half-wave shunt circuit 201 is connected in parallel on the ac input end of the LED driving power circuit 101.
The half-wave shunt circuit 201 be at least one ac circuit half-wave power shunt diode 202 with it is at least one
Can flow recovery protection device or circuit 203 be composed in series.Can flow recovery protection device or circuit refer to can flow recovery protect
Protecting device either can flow recovery protection device circuit.
When alternating current input is positive half-wave, the ac circuit half-wave power supply shunt diode 202 turns on, for exchange
Loop provides half-wave power supply；When alternating current input is bears half-wave, the ac circuit half-wave power supply shunt diode 202 is cut
Only, now, the LED driving power circuit 101 obtains half-wave supply input.
It is described can flow recovery protection device or circuit 203 include PTC thermistor, self- recoverage protective tube and excessively stream
Protection circuit；There is short circuit or during over-current phenomenon avoidance when half-wave shunt circuit 201 is in the conduction state, it is described can flow recovery protect
Device or circuit 203 are protected by automatic cutoff circuit or in high-impedance state.
Embodiment one：Application is controlled for single live wire smart machine of LED.
Referring to Fig. 2, half-wave shunting LED drive device 001 is serially connected with 220VAC with intelligent control device 002 and exchanged
In electrical circuit, the LED loop shunt diode 401 in the intelligent control device 002 is connected with controllable switch element 501,
It is serially connected with after in parallel with intelligent control circuit 601 again among ac circuit.LED loop shunt diode 401 and ac circuit
The closure of half-wave power supply shunt diode 202 in the loop is opposite.Controllable switch element 501 is by intelligent control circuit 601
Control is implemented to control the switch in the loop of LED driving power circuit 101.
When alternating current input is positive half-wave, the ac circuit half-wave power supply shunt diode 202 turns on, for exchange
Intelligent control device 002 in loop provides half-wave power supply, and now, LED loop shunt diode 401 is in cut-off state,
No matter whether the controllable switch element 501 of series connection with it opens a way, and intelligent control circuit 601 can obtain half-wave power supply and be in
Running status；When alternating current input is bears half-wave, the ac circuit half-wave power supply shunt diode 202 ends, now,
LED loop shunt diode 401 turns on, when intelligent control circuit 601 implements " turning on light " control to controllable switch element 501,
The controllable switch element 501 is then controlled to turn on, the LED driving power circuit 101 obtains half-wave supply input, makes
LED 301 is opened, if intelligent control circuit 601 implements " turning off the light " control to controllable switch element 501, described in control
Controllable switch element 501 is opened a way, and the half-wave power failure of LED driving power circuit 101, closes LED 301.
Because the LED driving power circuit 101 is wide-range input voltage, therefore, when the controllable switch element
During 501 conducting, even if in the case of exchange positive half-wave is powered the by-pass shunt of shunt diode 202 by the ac circuit half-wave,
LED driving power circuit 101 still can continue to export, and keep the opening of LED 301.
Embodiment two：Application is controlled for the mechanical switch of LED.
Referring to Fig. 3, half-wave shunting LED drive device 001 is connected on same loop with mechanical switch 502, works as institute
It is closure state and alternating current input when being positive half-wave to state mechanical switch 502, ac circuit half-wave power supply shunt diode 202
Conducting, meanwhile, can flow recovery protection device or circuit 203 enter open circuit or high-impedance state, opened a way equivalent to loop；And hand over
When stream electricity input is bears half-wave, then ac circuit half-wave power supply shunt diode 202 ends, now, LED driving power electricity
Road 101 obtains half-wave power supply, opens LED 301.
When the mechanical switch 502 is open-circuit condition, whole loop disconnects, and LED driving power circuit 101 can not
Powered, close LED 301.
The closure of ac circuit half-wave power supply shunt diode can be opposite with present case in real case.
Double of wavelength-division streaming LED drive device of case study on implementation of the present invention is described in detail above, for ability
The technical staff in domain, according to the thought of the embodiment of the present invention, change is had in specific embodiments and applications
Place, in summary, this specification content should not be construed as limiting the invention.
Claims (2)
1. a kind of half-wave shunting LED drive device, it is characterised in that including at least one LED driving power circuit
And at least one set of half-wave shunt circuit (201) (101)；
The LED driving power circuit (101) is 90-250VAC or 50-120VAC alternating voltage input range, described half
Wavelength-division current circuit（201）It is connected in parallel on the ac input end of the LED driving power circuit (101)；
The half-wave shunt circuit (201) be at least one ac circuit half-wave power shunt diode (202) with it is at least one
Can flow recovery protection device or circuit (203) be composed in series；
The half-wave shunting LED drive device (001) is serially connected with 220VAC alternating currents with intelligent control device (002) and returned
Lu Zhong, LED loop shunt diode (401) and controllable switch element (501) in the intelligent control device (002)
Series connection, then it is in parallel with intelligent control circuit (601) after be serially connected among ac circuit;LED loop shunt diode (401)
It is opposite with the closure of ac circuit half-wave power supply shunt diode (202) in the loop;Controllable switch element (501) by
Intelligent control circuit (601) control is implemented to control the switch in LED driving power circuit (101) loop；
When alternating current input is positive half-wave, ac circuit half-wave power supply shunt diode (202) conducting, is ac circuit
In intelligent control device (002) provide half-wave power supply, now, LED loop shunt diode (401) is in cut-off state,
No matter whether the controllable switch element (501) of series connection with it opens a way, intelligent control circuit (601) can obtain half-wave power supply and
In running status；
When alternating current input is bears half-wave, ac circuit half-wave power supply shunt diode (202) cut-off, now, LED
Loop shunt diode (401) turn on, intelligent control circuit (601) to controllable switch element (501) implement turn on light control when,
The controllable switch element (501) is then controlled to turn on, the LED driving power circuit (101) obtains half-wave supply input,
Open LED (301);Intelligent control circuit (601) to controllable switch element (501) implement turn off the light control when, then control
Controllable switch element (501) open circuit, LED driving power circuit (101) the half-wave power failure, makes LED (301)
Close.
2. a kind of half-wave shunting LED drive device according to claim 1, it is characterised in that described recovered
Stream protection device or circuit include PTC thermistor, self- recoverage protective tube and current foldback circuit；When half-wave shunt circuit is in
There is short circuit or during over-current phenomenon avoidance in conducting state, it is described can flow recovery protection device or circuit by automatic cutoff circuit or be in
High-impedance state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610329507.0A CN105828481B (en) | 2016-05-17 | 2016-05-17 | A kind of half-wave shunting LED drive device |
| PCT/CN2016/098769 WO2017197813A1 (en) | 2016-05-17 | 2016-09-12 | Half-wave shunting led lamp driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610329507.0A CN105828481B (en) | 2016-05-17 | 2016-05-17 | A kind of half-wave shunting LED drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105828481A CN105828481A (en) | 2016-08-03 |
| CN105828481B true CN105828481B (en) | 2018-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610329507.0A Active CN105828481B (en) | 2016-05-17 | 2016-05-17 | A kind of half-wave shunting LED drive device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105828481B (en) |
| WO (1) | WO2017197813A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828481B (en) * | 2016-05-17 | 2018-02-02 | 黎辉 | A kind of half-wave shunting LED drive device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2537752B1 (en) * | 1982-12-14 | 1988-02-19 | Debailleul Daniel | METHOD FOR MANUFACTURING LED VOLTAGE INDICATORS FOR ALTERNATIVE VOLTAGES, IN MONO, BI OR THREE-COLOR, WITHOUT ENERGY CONSUMPTION |
| US4527099A (en) * | 1983-03-09 | 1985-07-02 | Lutron Electronics Co., Inc. | Control circuit for gas discharge lamps |
| CN2218988Y (en) * | 1995-02-27 | 1996-01-31 | 朱扬 | electric charger capable of automatic regulating charging current |
| US7166968B2 (en) * | 1995-06-26 | 2007-01-23 | Jlj, Inc. | DC series connected light string with diode array shunt |
| CN201976288U (en) * | 2010-12-22 | 2011-09-14 | 张心益 | Drive power supply for LED illuminating light |
| KR101360326B1 (en) * | 2012-01-20 | 2014-02-12 | 한국과학기술원 | Ditect Connection Type LED Apparatus for Even Life by Switching Linearly and LED Lighting Apparatus Using The Same |
| CN104936344B (en) * | 2015-06-09 | 2017-07-14 | 杭州鸿雁电器有限公司 | A kind of LED light source is met an urgent need lamp-enlightened device |
| CN105611679B (en) * | 2016-03-18 | 2017-06-16 | 黎辉 | A kind of LED list live wire intelligent controlling device |
| CN105828481B (en) * | 2016-05-17 | 2018-02-02 | 黎辉 | A kind of half-wave shunting LED drive device |
| CN205611005U (en) * | 2016-05-17 | 2016-09-28 | 黎辉 | Half -wave shunting LED lamp drive arrangement |
-
2016
- 2016-05-17 CN CN201610329507.0A patent/CN105828481B/en active Active
- 2016-09-12 WO PCT/CN2016/098769 patent/WO2017197813A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN105828481A (en) | 2016-08-03 |
| WO2017197813A1 (en) | 2017-11-23 |
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Effective date of registration: 20180425 Address after: 518000 Guangdong province Shenzhen Longgang District Henggang Street 33 Hua Lei Road 33 Wei 33 creates Valley C201 Patentee after: SHENZHEN BOTUKANGZHUO INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 516000 1 Huatai Road, Huizhou high tech Industrial Park, Hui Ao Avenue, Zhongkai hi tech Zone, Huizhou, Guangdong Patentee before: Li Hui |
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Effective date of registration: 20240730 Address after: Unit 201, No. 11 Xianghong Road, Torch High tech Zone (Xiang'an) Industrial Zone, Xiamen City, Fujian Province 361000 Patentee after: Beile (Xiamen) Intelligent Technology Co.,Ltd. Country or region after: China Address before: 518000 Guangdong province Shenzhen Longgang District Henggang Street 33 Hua Lei Road 33 Wei 33 creates Valley C201 Patentee before: SHENZHEN BOTUKANGZHUO INTELLIGENT TECHNOLOGY CO.,LTD. Country or region before: China |
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