CN204761771U - LED street lamp photo -electric control circuit - Google Patents
LED street lamp photo -electric control circuit Download PDFInfo
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- CN204761771U CN204761771U CN201520375165.7U CN201520375165U CN204761771U CN 204761771 U CN204761771 U CN 204761771U CN 201520375165 U CN201520375165 U CN 201520375165U CN 204761771 U CN204761771 U CN 204761771U
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Abstract
The utility model discloses a LED street lamp photo -electric control circuit, including chip IC1, chip IC2, photo resistance LDR, diode WD1, resistance R1 and triode BG1, resistance R1 one end is connecting resistance R2 respectively, grounded capacitance C2, diode WD1, chip IC1 pin 4, chip IC1 pin 6, chip IC1 pin 8, relay J coil, resistance R3, resistance R4, resistance R5, chip IC2 pin 4, chip IC2 pin 8, resistance R7 and power VDD, chip IC2 pin 6 is connected respectively to the resistance R7 other end, chip IC2 pin 7 and grounded capacitance C6. The utility model discloses LED street lamp photo -electric control circuit adopts chip IC2 and peripheral electronic component to constitute action shutting return circuit, can effectively prevent because light changes the phenomenon that leads to the frequent switch of LED street lamp, in addition, and spike voltage clamper to safe value that diode WD and diode WD1 tandem energy produced the circuit, the stability height, 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 LED street lamp photoelectric control circuit.
Background technology
Along with the development of society, light control techniques is quite ripe, the concept of Light control road lamp has put forward a lot of year, but existing street lamp is most or time-controlled, study carefully the reason that it can not be promoted the use of, be mostly that stability is low and cost is too high, particularly when bad weather, light instability can cause the frequent switch of street lamp, how to improve the stability of Light control road lamp and reduces the research direction that cost becomes a lot of manufacturer.
Utility model content
The purpose of this utility model is the LED street lamp photoelectric control circuit providing a kind of stability high, 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 LED street lamp photoelectric control circuit, comprises chip IC 1, chip IC 2, photo resistance LDR, diode WD1, resistance R1 and triode BG1, described resistance R1 one end is contact resistance R2 respectively, ground capacity C2, diode WD1, chip IC 1 pin 4, chip IC 1 pin 6, chip IC 1 pin 8, relay J coil, resistance R3, resistance R4, resistance R5, chip IC 2 pin 4, chip IC 2 pin 8, resistance R7 and power vd D, the resistance R7 other end connects chip IC 2 pin 6 respectively, chip IC 2 pin 7 and ground capacity C6, chip IC 2 pin 3 is contact resistance R8 and resistance R9, resistance R9 other end connecting luminous diode LED2 positive pole respectively, and LED 2 negative pole connects electric capacity C5 respectively, chip IC 2 pin 1, resistance R6, relay J contact J1-1 pin 1, electric capacity C3, chip IC 1 pin 1, photo resistance LDR and triode BG2 emitter, chip IC 2 pin 5 connects the electric capacity C5 other end, and chip IC 2 pin 2 is the contact resistance R5 other end respectively, the resistance R6 other end and electric capacity C4, the electric capacity C4 other end is the contact resistance R4 other end and relay J contact J1-1 pin 3 respectively, described resistance R3 other end connecting luminous diode LED1 negative pole, LED 1 positive pole connects the relay J coil other end and chip IC 1 pin 3 respectively, chip IC 1 pin 2 connects diode D1 negative pole, and diode D1 positive pole connects potentiometer W1 respectively, the photo resistance LDR other end, triode BG1 emitter and triode BG2 collector electrode, the potentiometer W1 other end connects potentiometer W1 slide plate and the resistance R1 other end respectively, the described triode BG1 collector electrode contact resistance R2 other end, described triode BG2 base stage connects relay J contact J2-2 pin 3, the relay J contact J2-2 pin 1 contact resistance R8 other end, relay J contact J2-2 pin 2 connecting triode BG1 base stage.
As further program of the utility model: described chip IC 1 and chip IC 2 all adopt NE555.
As the utility model further scheme: described diode WD is voltage stabilizing didoe.
Compared with prior art, the beneficial effects of the utility model are: the utility model LED street lamp photoelectric control circuit adopts chip IC 2 and peripheral electron element composition action locked loop thereof, can effectively prevent because light changes the phenomenon causing the frequent switch of LED street lamp, in addition, the peak voltage clamper that circuit produces by diode WD and diode WD1 tandem energy is to safety value, and stability is high, and circuit structure is simple, cost is low, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of LED street lamp photoelectric control 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 LED street lamp photoelectric control circuit, comprises chip IC 1, chip IC 2, photo resistance LDR, diode WD1, resistance R1 and triode BG1, resistance R1 one end is contact resistance R2 respectively, ground capacity C2, diode WD1, chip IC 1 pin 4, chip IC 1 pin 6, chip IC 1 pin 8, relay J coil, resistance R3, resistance R4, resistance R5, chip IC 2 pin 4, chip IC 2 pin 8, resistance R7 and power vd D, the resistance R7 other end connects chip IC 2 pin 6 respectively, chip IC 2 pin 7 and ground capacity C6, chip IC 2 pin 3 is contact resistance R8 and resistance R9, resistance R9 other end connecting luminous diode LED2 positive pole respectively, and LED 2 negative pole connects electric capacity C5 respectively, chip IC 2 pin 1, resistance R6, relay J contact J1-1 pin 1, electric capacity C3, chip IC 1 pin 1, photo resistance LDR and triode BG2 emitter, chip IC 2 pin 5 connects the electric capacity C5 other end, and chip IC 2 pin 2 is the contact resistance R5 other end respectively, the resistance R6 other end and electric capacity C4, the electric capacity C4 other end is the contact resistance R4 other end and relay J contact J1-1 pin 3 respectively, resistance R3 other end connecting luminous diode LED1 negative pole, LED 1 positive pole connects the relay J coil other end and chip IC 1 pin 3 respectively, chip IC 1 pin 2 connects diode D1 negative pole, and diode D1 positive pole connects potentiometer W1 respectively, the photo resistance LDR other end, triode BG1 emitter and triode BG2 collector electrode, the potentiometer W1 other end connects potentiometer W1 slide plate and the resistance R1 other end respectively, the triode BG1 collector electrode contact resistance R2 other end, triode BG2 base stage connects relay J contact J2-2 pin 3, the relay J contact J2-2 pin 1 contact resistance R8 other end, relay J contact J2-2 pin 2 connecting triode BG1 base stage.
Chip IC 1 and chip IC 2 all adopt NE555.
Diode WD is voltage stabilizing didoe.
Operation principle of the present utility model is: refer to Fig. 1, when photo resistance LDR is subject to illumination, it is low resistance, set is there is in chip IC 1 because of its pin 2 input low level, chip IC 3 pin 3 exports high level, therefore relay J is failure to actuate, LED 1 is not given out light, night, photo resistance LDR is high value because can not receive illumination illumination, chip IC 1 resets because of its pin 2 input high level, chip IC 1 pin 3 output low level, thus make relay J adhesive, LED 1 is luminous, now flip chip IC2 works again, it is made to export the signal of timing t=1.1R7*C6, corresponding diode (LED) 2 of giving out light is luminous, the problem of relay in critical operating point instability can be solved like this within the t time, the action locked loop be made up of chip IC 2 also can overcome relay J at critical operating point because light instability changes and the shortcoming of frequent movement, in addition, the peak voltage clamper that circuit produces by diode WD and diode WD1 tandem energy is to safety value, improve stability.
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 LED street lamp photoelectric control circuit, comprises chip IC 1, chip IC 2, photo resistance LDR, diode WD1, resistance R1 and triode BG1, is characterized in that, described resistance R1 one end is contact resistance R2 respectively, ground capacity C2, diode WD1, chip IC 1 pin 4, chip IC 1 pin 6, chip IC 1 pin 8, relay J coil, resistance R3, resistance R4, resistance R5, chip IC 2 pin 4, chip IC 2 pin 8, resistance R7 and power vd D, the resistance R7 other end connects chip IC 2 pin 6 respectively, chip IC 2 pin 7 and ground capacity C6, chip IC 2 pin 3 is contact resistance R8 and resistance R9, resistance R9 other end connecting luminous diode LED2 positive pole respectively, and LED 2 negative pole connects electric capacity C5 respectively, chip IC 2 pin 1, resistance R6, relay J contact J1-1 pin 1, electric capacity C3, chip IC 1 pin 1, photo resistance LDR and triode BG2 emitter, chip IC 2 pin 5 connects the electric capacity C5 other end, and chip IC 2 pin 2 is the contact resistance R5 other end respectively, the resistance R6 other end and electric capacity C4, the electric capacity C4 other end is the contact resistance R4 other end and relay J contact J1-1 pin 3 respectively, described resistance R3 other end connecting luminous diode LED1 negative pole, LED 1 positive pole connects the relay J coil other end and chip IC 1 pin 3 respectively, chip IC 1 pin 2 connects diode D1 negative pole, and diode D1 positive pole connects potentiometer W1 respectively, the photo resistance LDR other end, triode BG1 emitter and triode BG2 collector electrode, the potentiometer W1 other end connects potentiometer W1 slide plate and the resistance R1 other end respectively, the described triode BG1 collector electrode contact resistance R2 other end, described triode BG2 base stage connects relay J contact J2-2 pin 3, the relay J contact J2-2 pin 1 contact resistance R8 other end, relay J contact J2-2 pin 2 connecting triode BG1 base stage.
2. LED street lamp photoelectric control circuit according to claim 1, is characterized in that, described chip IC 1 and chip IC 2 all adopt NE555.
3. LED street lamp photoelectric control circuit according to claim 1, is characterized in that, described diode WD is voltage stabilizing didoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520375165.7U CN204761771U (en) | 2015-06-02 | 2015-06-02 | LED street lamp photo -electric control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520375165.7U CN204761771U (en) | 2015-06-02 | 2015-06-02 | LED street lamp photo -electric control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761771U true CN204761771U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520375165.7U Expired - Fee Related CN204761771U (en) | 2015-06-02 | 2015-06-02 | LED street lamp photo -electric control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761771U (en) |
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2015
- 2015-06-02 CN CN201520375165.7U patent/CN204761771U/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 | ||
| CP03 | Change of name, title or address |
Address after: 100102 B1603, 2 South Central Road, Wangjing, Chaoyang District, Beijing. Patentee after: BEIJING LIGHT-COSMOS GALAXY TECHNOLOGY CO.,LTD. Address before: 100102 501, room 5, No. 2, South Central Road, Wangjing, Chaoyang District, Beijing. Patentee before: BEIJING GUANGYU JINYE ENERGY SAVING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |