CN204598401U - A kind of LED touch dimmer power supply - Google Patents

A kind of LED touch dimmer power supply Download PDF

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Publication number
CN204598401U
CN204598401U CN201520283121.1U CN201520283121U CN204598401U CN 204598401 U CN204598401 U CN 204598401U CN 201520283121 U CN201520283121 U CN 201520283121U CN 204598401 U CN204598401 U CN 204598401U
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pin
resistance
connects
power supply
chip
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CN201520283121.1U
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卫斌鹏
卫超
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卫斌鹏
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model relates to a kind of LED touch dimmer power supply, comprise rectifier diode D1, D2, D3, the rectification circuit D of D4, filter capacitor C1, constant-current driven chip IC1, decoupling capacitor C2, electric current adopts resistance R4, switch transformer B, diode D5, resistance R2, electric capacity C3, rectifier diode D7, filter capacitor C4, C5, some light-emitting diode D9 to Dn, rectifier diode D6, resistance R9, discharge resistance R10, brightness adjustment control triode Q1, triode Q2, constant-current driven chip IC1, touch dimmer chip IC 2, decoupling capacitor C6, voltage stabilizing didoe D8, described rectifier diode D1, D2, D3, the input of the rectification circuit D of D4 is connected with power supply P, LED touch dimmer circuit construction of electric power of the present utility model is simple, cost is little, energy-efficient.

Description

A kind of LED touch dimmer power supply
Technical field
The utility model relates to a kind of LED drive power, is specially a kind of LED touch dimmer constant-current driving power supply.
Background technology
LED illumination device, as the novel illumination light source of present lighting field, than conventional incandescent streetlamp energy-saving more than 80%, has the plurality of advantages such as energy-saving and environmental protection.Due to the particularity of LED illumination device type of drive, general LED illumination device can not modulated light, which limits LED illumination device range of application.
Have in the market and to regulate LED power lighting apparatus, but some control modes are too complicated, equipment cost is high.Control mode is fairly simple, and electric energy can not be fully utilized, and wastes electric energy.
Summary of the invention
For above-mentioned situation, the purpose of this utility model is to provide a kind of LED touch dimmer power supply, and circuit structure is simple, and easy to use, result of use is good.
The technical solution of the utility model is as follows: LED touch dimmer power supply, comprise rectifier diode D1, D2, D3, the rectification circuit D of D4, filter capacitor C1, constant-current driven chip IC1, decoupling capacitor C2, electric current adopts resistance R4, switch transformer B, diode D5, resistance R2, electric capacity C3, rectifier diode D7, filter capacitor C4, C5, some light-emitting diode D9 to Dn, rectifier diode D6, resistance R9, discharge resistance R10, brightness adjustment control triode Q1, triode Q2, constant-current driven chip IC1, touch dimmer chip IC 2, decoupling capacitor C6, voltage stabilizing didoe D8, described rectifier diode D1, D2, D3, the input of the rectification circuit D of D4 is connected with power supply P, output connects filter capacitor C1, described filter capacitor C1 also meets decoupling capacitor C2, the pin 4 of described constant-current driven chip IC1 connects one end of decoupling capacitor C2, pin 3, pin two is connected the other end of decoupling capacitor C2 with pin one, pin 5 and pin 6 are connected the positive pole of diode D5 and one end of switch transformer B primary coil L1 respectively, the other end of primary coil L1 connects one end of electric capacity C3, the other end of electric capacity C3 is connected with the negative pole of diode D5, electric capacity C3 connecting resistance R2, the secondary coil L2 of described switch transformer B is connected in series rectifier diode D7 and light-emitting diode D9 to Dn successively, the two ends of the secondary coil L2 of switch transformer B respectively and meet filter capacitor C5 and discharge resistance R10, the primary coil L1 homonymy of described switch transformer B connects dimmer L3, described dimmer L3 is connected in series rectifier diode D6 and filter capacitor C4, the negative pole of described rectifier diode D6, the emitter of the positive pole connecting triode Q2 of filter capacitor C4, the collector electrode of described triode Q2 connects the pin one of constant-current driven chip IC1 by resistance R5, base stage connects the collector electrode of brightness adjustment control triode Q1, the base stage of described brightness adjustment control triode Q1 connects the pin 5 of touch dimmer chip IC 2 by resistance R9, the pin 6 of described touch dimmer chip IC 2 is connected the emitter of brightness adjustment control triode Q1 with pin 8, pin two is connected with electrode slice M with pin one, pin two connects touch sensitivity regulating resistance R8, pin one connects the negative pole of decoupling capacitor C6, described voltage stabilizing didoe D8 is connected in series with current limliting supplying resistance R7, the other end of resistance R7 is connected between rectifier diode D1 and D2, the positive pole of voltage stabilizing didoe D8 connects the positive pole of filter capacitor C6.
Preferably, described constant-current driven chip IC1 is chip BP9022, and described touch dimmer chip IC 2 is chip LD753A, and the touch-control of circuit regulates sensitiveer.
Preferably, the input of described power supply P connects insurance RD, the safety and stability of holding circuit.
Preferably; the pin 4 of described constant-current driven chip IC1 is connected with supplying resistance R1, pin 3 external open-circuit-protection voltage-regulation resistance R3, pin one connects current sampling resistor R4, described triode Q2 is connected with base biasing resistor R6, ensures that whole circuit stability is run.
LED touch dimmer power supply of the present utility model, by the dimmer L3 on switch transformer B, voltage commutation on dimmer L3 is become direct voltage, utilize this direct voltage to remove to regulate the pin one voltage of IC1 by triode Q2, namely regulate the current value on the pin one outer meeting resistance R4 of IC1.The base stage of triode Q1 is controlled by the pin 5 of touch dimmer chip IC 2, when the pin 3 of IC2 inputs human body sensing touching signals, corresponding control signal will be exported at the pin 5 of IC2, go the conducting state of control Q2, the output current value of corresponding change driving power, obtains the object of light modulation.
This LED touch dimmer power supply, other LED dimming power source, has the advantages such as circuit structure is simple, cost is little, energy-efficient relatively.
Accompanying drawing explanation
Fig. 1 circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, LED touch dimmer power supply, comprise rectifier diode D1, D2, D3, the rectification circuit D of D4, filter capacitor C1, constant-current driven chip IC1, decoupling capacitor C2, electric current adopts resistance R4, switch transformer B, diode D5, resistance R2, electric capacity C3, rectifier diode D7, filter capacitor C4, C5, some light-emitting diode D9 to Dn, rectifier diode D6, resistance R9, discharge resistance R10, brightness adjustment control triode Q1, triode Q2, constant-current driven chip IC1, touch dimmer chip IC 2, decoupling capacitor C6, voltage stabilizing didoe D8, described rectifier diode D1, D2, D3, the input of the rectification circuit D of D4 is connected with power supply P, output connects filter capacitor C1, described filter capacitor C1 also meets decoupling capacitor C2, the pin 4 of described constant-current driven chip IC1 connects one end of decoupling capacitor C2, pin 3, pin two is connected the other end of decoupling capacitor C2 with pin one, pin 5 and pin 6 are connected the positive pole of diode D5 and one end of switch transformer B primary coil L1 respectively, the other end of primary coil L1 connects one end of electric capacity C3, the other end of electric capacity C3 is connected with the negative pole of diode D5, electric capacity C3 connecting resistance R2, the secondary coil L2 of described switch transformer B is connected in series rectifier diode D7 and light-emitting diode D9 to Dn successively, the two ends of the secondary coil L2 of switch transformer B respectively and meet filter capacitor C5 and discharge resistance R10, the primary coil L1 homonymy of described switch transformer B connects dimmer L3, described dimmer L3 is connected in series rectifier diode D6 and filter capacitor C4, the negative pole of described rectifier diode D6, the emitter of the positive pole connecting triode Q2 of filter capacitor C4, the collector electrode of described triode Q2 connects the pin one of constant-current driven chip IC1 by resistance R5, base stage connects the collector electrode of brightness adjustment control triode Q1, the base stage of described brightness adjustment control triode Q1 connects the pin 5 of touch dimmer chip IC 2 by resistance R9, the pin 6 of described touch dimmer chip IC 2 is connected the emitter of brightness adjustment control triode Q1 with pin 8, pin two is connected with electrode slice M with pin one, pin two connects touch sensitivity regulating resistance R8, pin one connects the negative pole of decoupling capacitor C6, described voltage stabilizing didoe D8 is connected in series with current limliting supplying resistance R7, the other end of resistance R7 is connected between rectifier diode D1 and D2, the positive pole of voltage stabilizing didoe D8 connects the positive pole of filter capacitor C6.
The number of the peak power output of IC1 chip BP9022 to be the single power of 5W, D9 to Dn be 1W, D9 to Dn is 3 to 5.The pin one of IC2 chip LD753A, IC2 is chip power end, and pin two is touch sensitivity adjustable side, pin 3 is touching signals input, and pin 4 is buffering light modulation configuration pin, and pin 5 is control signal output, pin 6,7 is dimming function selecting side, and pin 8 is chip ground end.
During circuit working, civil power 220V alternating current through insurance RD, then through the full-wave rectifying circuit D rectification that diode D1, D2, D3, D4 form, electric capacity C1 forms stable direct voltage.Positive step voltage one tunnel of electric capacity C1 supplies pin 4 operating voltage of IC1 through resistance R1, another road arrives the pin 5,6 of IC1 through the primary coil L1 of transformer B.IC1 starts working, and arrives the primary coil L1 of transformer B from pin 5,6 output switch pulse voltage.The induced voltage produced in the secondary coil L2 of B, through D7 rectification C5 filtering, driving LED light-emitting diode D9 to Dn is luminous.
During this period, the induced voltage produced in the dimmer L3 of switch transformer B is through D6 rectification C4 filtering, C4 is formed stable direct voltage, this direct voltage is through triode Q1, resistance R5 removes the 1 pin voltage of control IC1, thus control the current value flowing through resistance R4, the conducting degree of Q2 is subject to the control of touch dimmer chip IC 2, as the pin 3 namely electrode slice M of IC2, when having human body sensing touching signals to input, corresponding control signal will be exported at the pin 5 of IC2, by R9 control Q1, Q1 promotes Q2 again, Q2 is made to be operated in corresponding conducting state, the electric current controlling to flow through resistance R4 is corresponding current value, the electric current exported with regard to control switch transformer B is like this corresponding current value, driving LED lumination of light emitting diode, so just obtain the object of touch dimmer.
The pin 6,7 of IC2 is function selecting side, can realize non-pole light regulating and sectional dimming by different choice, and the function that this LED touch dimmer constant-current driving power supply is selected is the light modulation of segmentation third gear.When there being the touching signals input of interruption human body at electrode slice M, will control constant-current driving power supply, driving LED light-emitting diode D9 to Dn sends weak, medium, strong three kinds of different brightness and circulates successively.

Claims (8)

1. a LED touch dimmer power supply, it is characterized in that comprising rectifier diode D1, D2, D3, the rectification circuit D of D4, filter capacitor C1, constant-current driven chip IC1, decoupling capacitor C2, electric current adopts resistance R4, switch transformer B, diode D5, resistance R2, electric capacity C3, rectifier diode D7, filter capacitor C4, C5, some light-emitting diode D9 to Dn, rectifier diode D6, resistance R9, discharge resistance R10, brightness adjustment control triode Q1, triode Q2, constant-current driven chip IC1, touch dimmer chip IC 2, decoupling capacitor C6, voltage stabilizing didoe D8, described rectifier diode D1, D2, D3, the input of the rectification circuit D of D4 is connected with power supply P, output connects filter capacitor C1, described filter capacitor C1 also meets decoupling capacitor C2, the pin 4 of described constant-current driven chip IC1 connects one end of decoupling capacitor C2, pin 3, pin two is connected the other end of decoupling capacitor C2 with pin one, pin 5 and pin 6 are connected the positive pole of diode D5 and one end of switch transformer B primary coil L1 respectively, the other end of primary coil L1 connects one end of electric capacity C3, the other end of electric capacity C3 is connected with the negative pole of diode D5, electric capacity C3 connecting resistance R2, the secondary coil L2 of described switch transformer B is connected in series rectifier diode D7 and light-emitting diode D9 to Dn successively, the two ends of the secondary coil L2 of switch transformer B respectively and meet filter capacitor C5 and discharge resistance R10, the primary coil L1 homonymy of described switch transformer B connects dimmer L3, described dimmer L3 is connected in series rectifier diode D6 and filter capacitor C4, the negative pole of described rectifier diode D6, the emitter of the positive pole connecting triode Q2 of filter capacitor C4, the collector electrode of described triode Q2 connects the pin one of constant-current driven chip IC1 by resistance R5, base stage connects the collector electrode of brightness adjustment control triode Q1, the base stage of described brightness adjustment control triode Q1 connects the pin 5 of touch dimmer chip IC 2 by resistance R9, the pin 6 of described touch dimmer chip IC 2 is connected the emitter of brightness adjustment control triode Q1 with pin 8, pin two is connected with electrode slice M with pin 3, pin one connects touch sensitivity regulating resistance R8, pin one connects the positive pole of decoupling capacitor C6, described voltage stabilizing didoe D8 is connected in series with current limliting supplying resistance R7, the other end of resistance R7 is connected between rectifier diode D1 and D2, the positive pole of voltage stabilizing didoe D8 connects the positive pole of filter capacitor C6.
2. LED touch dimmer power supply according to claim 1, is characterized in that described constant-current driven chip IC1 is chip BP9022.
3. LED touch dimmer power supply according to claim 1, is characterized in that described touch dimmer chip IC 2 is chip LD753A.
4. LED touch dimmer power supply according to claim 1, is characterized in that the input of described power supply P connects insurance RD.
5. LED touch dimmer power supply according to claim 1, is characterized in that the pin 4 of described constant-current driven chip IC1 is connected with supplying resistance R1.
6. LED touch dimmer power supply according to claim 1, is characterized in that the 3 pin external open-circuit-protection voltage-regulation resistance R3 of described constant-current driven chip IC1.
7. LED touch dimmer power supply according to claim 1, is characterized in that the pin one of described constant-current driven chip IC1 connects current sampling resistor R4.
8. LED touch dimmer power supply according to claim 1, is characterized in that described triode Q2 is connected with base biasing resistor R6.
CN201520283121.1U 2015-05-05 2015-05-05 A kind of LED touch dimmer power supply Expired - Fee Related CN204598401U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520283121.1U CN204598401U (en) 2015-05-05 2015-05-05 A kind of LED touch dimmer power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520283121.1U CN204598401U (en) 2015-05-05 2015-05-05 A kind of LED touch dimmer power supply

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104780694A (en) * 2015-05-05 2015-07-15 卫斌鹏 LED touch dimming constant current drive power source
CN109195265A (en) * 2018-10-15 2019-01-11 宁波奇驰照明灯具有限公司 A kind of microwave induced control circuit and method of LED light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104780694A (en) * 2015-05-05 2015-07-15 卫斌鹏 LED touch dimming constant current drive power source
CN109195265A (en) * 2018-10-15 2019-01-11 宁波奇驰照明灯具有限公司 A kind of microwave induced control circuit and method of LED light

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Granted publication date: 20150826

Termination date: 20170505