CN204518191U - A kind of Light control road lamp circuit - Google Patents
A kind of Light control road lamp circuit Download PDFInfo
- Publication number
- CN204518191U CN204518191U CN201520281621.1U CN201520281621U CN204518191U CN 204518191 U CN204518191 U CN 204518191U CN 201520281621 U CN201520281621 U CN 201520281621U CN 204518191 U CN204518191 U CN 204518191U
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- relay
- light control
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Abstract
The utility model discloses a kind of Light control road lamp circuit, comprise transformer T, rectifier bridge Q, chip U1, relay J, photo resistance RV, electric capacity C1 and potentiometer RP.The utility model Light control road lamp circuit is by the design of integrated circuit and optimum choice electronic component, make that circuit structure is simple, function-stable, not only greatly reduce cost, and light-operated sensitivity can be set by potentiometer RP, to open the light from main regulation the light requirement of street lamp, powerful in function, is applicable to promoting the use of very much.
Description
Technical field
The utility model relates to a kind of street lamp, specifically a kind of Light control road lamp 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, mostly be that stability is low and cost is too high, how improve the stability of Light control road lamp and reduce the research direction that cost becomes a lot of manufacturer.
Utility model content
The purpose of this utility model is to provide the Light control road lamp circuit that a kind of stability is high, cost is low, 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 Light control road lamp circuit, comprises transformer T, rectifier bridge Q, chip U1, relay J, photo resistance RV, electric capacity C1 and potentiometer RP, described transformer T primary coil one end connects relay J contact J-1 and 220V alternating current one end respectively, the transformer T primary coil other end connects the 220 alternating current other ends and street lamp L respectively, the street lamp L other end connects the relay J contact J-1 other end, transformer T secondary coil two ends connect rectifier bridge Q pin 1 and pin 3 respectively, and rectifier bridge Q pin 2 connects electric capacity C2 respectively, diode D1 negative pole, relay J coil, resistance R1, photo resistance RV and electric capacity C1, rectifier bridge Q pin 4 connects the electric capacity C2 other end respectively, chip U1 pin 3, potentiometer RP and the electric capacity C1 other end, the potentiometer RP other end connects the photo resistance RV other end, potentiometer RP slide plate connects chip U1 pin 2, chip U1 pin 1 connects chip U1 pin 5 and the resistance R1 other end respectively, and chip U1 pin 4 connects the relay J coil other end and diode D1 positive pole respectively.
As further program of the utility model: described chip U1 model is TWH8751.
As further program of the utility model: described relay J model is JZX-22F.
As the utility model further scheme: described transformer T adopts 3-5W, secondary voltage is the power transformer of 12V.
Compared with prior art, the beneficial effects of the utility model are: the utility model Light control road lamp circuit is by the design of integrated circuit and optimum choice electronic component, make that circuit structure is simple, function-stable, not only greatly reduce cost, and light-operated sensitivity can be set by potentiometer RP, open the light from main regulation the light requirement of street lamp, powerful in function, is applicable to promoting the use of very much.
Accompanying drawing explanation
Fig. 1 is a kind of circuit diagram of Light control road lamp 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 Light control road lamp circuit, comprises transformer T, rectifier bridge Q, chip U1, relay J, photo resistance RV, electric capacity C1 and potentiometer RP, described transformer T primary coil one end connects relay J contact J-1 and 220V alternating current one end respectively, the transformer T primary coil other end connects the 220 alternating current other ends and street lamp L respectively, the street lamp L other end connects the relay J contact J-1 other end, transformer T secondary coil two ends connect rectifier bridge Q pin 1 and pin 3 respectively, and rectifier bridge Q pin 2 connects electric capacity C2 respectively, diode D1 negative pole, relay J coil, resistance R1, photo resistance RV and electric capacity C1, rectifier bridge Q pin 4 connects the electric capacity C2 other end respectively, chip U1 pin 3, potentiometer RP and the electric capacity C1 other end, the potentiometer RP other end connects the photo resistance RV other end, potentiometer RP slide plate connects chip U1 pin 2, chip U1 pin 1 connects chip U1 pin 5 and the resistance R1 other end respectively, and chip U1 pin 4 connects the relay J coil other end and diode D1 positive pole respectively.
Chip U1 model is TWH8751.
Relay J model is JZX-22F.
Transformer T adopts 3-5W, secondary voltage is the power transformer of 12V.
Operation principle of the present utility model is: in the utility model circuit, power circuit is by power transformer T, rectifier bridge Q and filtering capacitor C1 forms, light-operated circuit is by photo resistance RV, resistance R1, potentiometer RP, chip U1, relay J and diode D1 form, alternating current 220V voltage is through transformer T step-down, after rectifier bridge Q rectification and electric capacity C1 filtering, for light-operated circuit provides+12V working power, daytime, photo resistance RV light is irradiated and is low resistive state, chip U1 pin 2 and pin 4 is made to be high level, the electronic switch of its inside is in cut-off state, relay K not adhesive, street lamp L does not work.At night, photo resistance RV is unglazed, and irradiation is high-impedance state, and chip U1 pin 2 becomes low level, and the electronic switch of its inside is connected, and street lamp L lights, the resistance of regulator potentiometer RP, can change light-operated sensitivity.
Claims (4)
1. a Light control road lamp circuit, comprises transformer T, rectifier bridge Q, chip U1, relay J, photo resistance RV, electric capacity C1 and potentiometer RP, it is characterized in that, described transformer T primary coil one end connects relay J contact J-1 and 220V alternating current one end respectively, the transformer T primary coil other end connects the 220 alternating current other ends and street lamp L respectively, the street lamp L other end connects the relay J contact J-1 other end, transformer T secondary coil two ends connect rectifier bridge Q pin 1 and pin 3 respectively, and rectifier bridge Q pin 2 connects electric capacity C2 respectively, diode D1 negative pole, relay J coil, resistance R1, photo resistance RV and electric capacity C1, rectifier bridge Q pin 4 connects the electric capacity C2 other end respectively, chip U1 pin 3, potentiometer RP and the electric capacity C1 other end, the potentiometer RP other end connects the photo resistance RV other end, potentiometer RP slide plate connects chip U1 pin 2, chip U1 pin 1 connects chip U1 pin 5 and the resistance R1 other end respectively, and chip U1 pin 4 connects the relay J coil other end and diode D1 positive pole respectively.
2. Light control road lamp circuit according to claim 1, is characterized in that, described chip U1 model is TWH8751.
3. Light control road lamp circuit according to claim 1, is characterized in that, described relay J model is JZX-22F.
4. Light control road lamp circuit according to claim 1, is characterized in that, described transformer T adopts 3-5W, secondary voltage is the power transformer of 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281621.1U CN204518191U (en) | 2015-04-25 | 2015-04-25 | A kind of Light control road lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281621.1U CN204518191U (en) | 2015-04-25 | 2015-04-25 | A kind of Light control road lamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204518191U true CN204518191U (en) | 2015-07-29 |
Family
ID=53716116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520281621.1U Expired - Fee Related CN204518191U (en) | 2015-04-25 | 2015-04-25 | A kind of Light control road lamp circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204518191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228302A (en) * | 2015-09-30 | 2016-01-06 | 成都川睿科技有限公司 | A kind of automatic street lamp circuit based on power switch |
| CN112469175A (en) * | 2020-12-08 | 2021-03-09 | 湖南电将军天目通数字科技有限公司 | Light control system |
-
2015
- 2015-04-25 CN CN201520281621.1U patent/CN204518191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228302A (en) * | 2015-09-30 | 2016-01-06 | 成都川睿科技有限公司 | A kind of automatic street lamp circuit based on power switch |
| CN112469175A (en) * | 2020-12-08 | 2021-03-09 | 湖南电将军天目通数字科技有限公司 | Light control system |
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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: 20150729 Termination date: 20160425 |