CN204859625U - Touch remote control LED dimmer circuit - Google Patents
Touch remote control LED dimmer circuit Download PDFInfo
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- CN204859625U CN204859625U CN201520451347.8U CN201520451347U CN204859625U CN 204859625 U CN204859625 U CN 204859625U CN 201520451347 U CN201520451347 U CN 201520451347U CN 204859625 U CN204859625 U CN 204859625U
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Abstract
The utility model discloses a touch remote control LED dimmer circuit, including LED lamp cluster, chip U1, infrared receiving terminal U2, chip U3, triode Q1, resistance R1 and electric capacity, the LED lamp cluster positive pole VCC1 that connects, chip U1's vcc foot is connected to LED lamp cluster negative pole, ground resistance R3 and triode Q1 collecting electrode are connected respectively to chip U1's out foot, the triode Q1 projecting pole VCC that connects, triode Q1 base is passed through resistance R2 and is connected chip U3 pin 2, 3 ground connection of chip U3 pin, grounded capacitance C3 and power VCC are connected respectively to chip U3 pin 4, the 1 out foot of connecting infrared receiving terminal U2 of chip U3 pin. The utility model discloses during touch remote control LED dimmer circuit integrated remote control technology and touch technique to a circuit, the function was various, convenient to use, and circuit structure is simple, and is with low costs, especially adapted using widely.
Description
Technical field
The utility model relates to a kind of LED, specifically a kind of touching telecontrol LED light adjusting circuit.
Background technology
Great power LED steps into each lighting field gradually, and along with the development of science and technology and people are to the raising of environmental consciousness, LED illumination has become a popular domain; And current market conditions, LED street lamp, LED illumination desk lamp and LED projection lamp become the driving force of domestic LED industry undoubtedly, the application on LED of touching technique and telecontrol engineering especially driving LED illuminating product development newly emerging force, existing touching technique and telecontrol engineering separately occur mostly, seldom have two kinds of Function Integration Mechanisms.
Utility model content
The purpose of this utility model is to provide a kind of touching telecontrol LED light adjusting circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of touching telecontrol LED light adjusting circuit, comprise LED string, chip U1, infrared receiving terminal U2, chip U3, triode Q1, resistance R1 and electric capacity, described LED string positive pole connects power supply VCC1, LED string negative pole connects the vcc pin of chip U1, the out pin of chip U1 connects earth resistance R3 and triode Q1 collector electrode respectively, triode Q1 emitter connects power supply VCC, triode Q1 base stage connects chip U3 pin 2 by resistance R2, chip U3 pin 3 ground connection, chip U3 pin 4 connects ground capacity C3 and power supply VCC respectively, chip U3 pin 1 connects the out pin of infrared receiving terminal U2, the vcc pin of infrared receiving terminal U2 connects power supply VCC respectively, ground capacity C2 and chip U4 pin 3, chip U4 pin 1 connects chip U4 pin 2 respectively, power supply VCC1 and ground capacity C1, described chip U3 pin 7 connects chip U3 pin 8 by electric capacity CS, chip U3 pin 5 connecting electrode sheet A, chip U3 pin 6 contact resistance R1, resistance R1 other end connecting luminous diode LED1 negative pole, LED 1 positive pole connects power supply VCC, described chip U1 adopts WT7220, described chip U3 adopts SJT0804, described chip U4 adopts HT7550.
As further program of the utility model: described power supply VCC voltage is 5V.
As the utility model further scheme: described power supply VCC1 voltage is 12V.
Compared with prior art, the beneficial effects of the utility model are: telecontrol engineering and touching technique are incorporated in a circuit by the utility model touching telecontrol LED light adjusting circuit, diverse in function, easy to use, circuit structure is simple, and cost is low, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of touching telecontrol LED light adjusting circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of touching telecontrol LED light adjusting circuit, comprise LED string, chip U1, infrared receiving terminal U2, chip U3, triode Q1, resistance R1 and electric capacity, described LED string positive pole connects power supply VCC1, LED string negative pole connects the vcc pin of chip U1, the out pin of chip U1 connects earth resistance R3 and triode Q1 collector electrode respectively, triode Q1 emitter connects power supply VCC, triode Q1 base stage connects chip U3 pin 2 by resistance R2, chip U3 pin 3 ground connection, chip U3 pin 4 connects ground capacity C3 and power supply VCC respectively, chip U3 pin 1 connects the out pin of infrared receiving terminal U2, the vcc pin of infrared receiving terminal U2 connects power supply VCC respectively, ground capacity C2 and chip U4 pin 3, chip U4 pin 1 connects chip U4 pin 2 respectively, power supply VCC1 and ground capacity C1, described chip U3 pin 7 connects chip U3 pin 8 by electric capacity CS, chip U3 pin 5 connecting electrode sheet A, chip U3 pin 6 contact resistance R1, resistance R1 other end connecting luminous diode LED1 negative pole, LED 1 positive pole connects power supply VCC, described chip U1 adopts WT7220, described chip U3 adopts SJT0804, described chip U4 adopts HT7550.
Power supply VCC voltage is 5V.
Power supply VCC1 voltage is 12V.
Operation principle of the present utility model is: refer to Fig. 1, 12V power supply need adopt stablizes pulsation-free constant voltage source, be infrared receiving terminal U2 through the 5V voltage that HT7550 reduced output voltage is stable, SJT0804 powers, LED1 touches the indicator light detecting and come into force, when SJT0804 detects the signal of finger touch, LED1 lights, be in OFF state at ordinary times, reference is provided for whether touching, the scintillation of moment is there is in Q1 when being and avoiding powering on, after infrared receiving terminal U2 receives external remote control signal, the out of infrared receiving terminal U2 holds output level, chip U3 pin 2 is made to export certain voltage, the signal that this voltage receives according to infrared receiving terminal U2 and determining, and automatically regulated by chip U3, LED string is opened with remote control, close and light modulation, Touching electrode A also can reach this effect in addition, principle and above-mentioned remote control light modulating similar.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a touching telecontrol LED light adjusting circuit, comprise LED string, chip U1, infrared receiving terminal U2, chip U3, triode Q1, resistance R1 and electric capacity, it is characterized in that, described LED string positive pole connects power supply VCC1, LED string negative pole connects the vcc pin of chip U1, the out pin of chip U1 connects earth resistance R3 and triode Q1 collector electrode respectively, triode Q1 emitter connects power supply VCC, triode Q1 base stage connects chip U3 pin 2 by resistance R2, chip U3 pin 3 ground connection, chip U3 pin 4 connects ground capacity C3 and power supply VCC respectively, chip U3 pin 1 connects the out pin of infrared receiving terminal U2, the vcc pin of infrared receiving terminal U2 connects power supply VCC respectively, ground capacity C2 and chip U4 pin 3, chip U4 pin 1 connects chip U4 pin 2 respectively, power supply VCC1 and ground capacity C1, described chip U3 pin 7 connects chip U3 pin 8 by electric capacity CS, chip U3 pin 5 connecting electrode sheet A, chip U3 pin 6 contact resistance R1, resistance R1 other end connecting luminous diode LED1 negative pole, LED 1 positive pole connects power supply VCC, described chip U1 adopts WT7220, described chip U3 adopts SJT0804, described chip U4 adopts HT7550.
2. touching telecontrol LED light adjusting circuit according to claim 1, is characterized in that, described power supply VCC voltage is 5V.
3. touching telecontrol LED light adjusting circuit according to claim 1, is characterized in that, described power supply VCC1 voltage is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451347.8U CN204859625U (en) | 2015-06-26 | 2015-06-26 | Touch remote control LED dimmer circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451347.8U CN204859625U (en) | 2015-06-26 | 2015-06-26 | Touch remote control LED dimmer circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204859625U true CN204859625U (en) | 2015-12-09 |
Family
ID=54750133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520451347.8U Expired - Fee Related CN204859625U (en) | 2015-06-26 | 2015-06-26 | Touch remote control LED dimmer circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204859625U (en) |
-
2015
- 2015-06-26 CN CN201520451347.8U patent/CN204859625U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |