CN201663559U - Automatic light-control DC power supply - Google Patents
Automatic light-control DC power supply Download PDFInfo
- Publication number
- CN201663559U CN201663559U CN2009202593720U CN200920259372U CN201663559U CN 201663559 U CN201663559 U CN 201663559U CN 2009202593720 U CN2009202593720 U CN 2009202593720U CN 200920259372 U CN200920259372 U CN 200920259372U CN 201663559 U CN201663559 U CN 201663559U
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- control
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Abstract
The utility model relates to an automatic light-control DC power supply, which is characterized in that the control circuit of the automatic light-control DC power supply is formed by a rectifier circuit, a regulator potentiometer, a light sensitive resistor, a regulating triode and a voltage stabilizing circuit. When in use, when no light exists at night, the resistance of the light sensitive resistor is large, the regulating triode is conducted and the voltage stabilizing circuit outputs stable voltage; and when intense light exists at daytime, the resistance of the light sensitive resistor is small, the regulating triode is cut off and the voltage stabilizing circuit does not output voltage. Through regulating the voltage-division regulator potentiometer connected with the light sensitive resistor in series, the on/off points of the output voltage can be regulated. The utility model has the advantages of simple circuit, low energy consumption and convenient use. The automatic light-control DC power supply is particularly suitable for places in which work is required to be completed in a certain period.
Description
Technical field
The utility model relates to a kind of supply unit, particularly a kind of automatic light-operated DC power supply.
Background technology
The output voltage of existing DC power supply is generally stable output, can not satisfy the needs of different operating environment, even scalable also still is a manual adjustment, uses inconvenience, and the circuit structure complexity, and power loss is bigger.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned weak point, and a kind of circuit is simple, energy consumption is low and provide, control output voltage automatically, automatic light-operated DC power supply easy to use.
The purpose of this utility model is achieved in that a kind of automatic light-operated DC power supply, comprise shell, the control circuit that it is characterized in that it is by rectification circuit DBS, regulator potentiometer RP, photo resistance RH, adjust triode BG, voltage stabilizing circuit IC forms, wherein be connected in series fuse F1 and K switch in the power transformer T input circuit in the rectification circuit, secondary two ends connect rectifier bridge DBS input, the DBS output is connected in series behind the fuse F2 and meets filtering capacitor C1, the serial connection branch road of resistance R 1 and indicator light L, current-limiting resistance R2 one end connects the F2 output, the other end also connects regulator potentiometer RP one stiff end and movable end, adjust triode BG collector electrode, another stiff end of RP also connects the BG base stage, photo resistance RH one end, the BG emitter connects voltage stabilizing circuit IC input 1 pin, IC control end 2 pin connect filtering capacitor C2 positive pole, the C2 negative pole, the RH other end also connects rectification circuit DBS negative pole, IC output 3 pin, the DBS negative pole is a power output end, each element is installed in the enclosure, on the panel, outconnector.
The utility model is owing to adopt above design, in the use, when night unglazed according to the time, the photo resistance resistance is bigger, adjusts the triode conducting, voltage stabilizing circuit output burning voltage.When daytime during light intensity, the photo resistance resistance is very little, adjusts triode and ends, the output of voltage stabilizing circuit no-voltage.By regulating the dividing potential drop regulator potentiometer that is connected in series with photo resistance, the switching point of adjustable output voltage.Circuit is simple, energy consumption is low, and is easy to use, and the occasion that is particularly suitable for needing control to work is in a certain amount of time used.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model control circuit circuit diagram.
Embodiment
Now illustrated embodiment is made detailed description to the utility model in conjunction with the accompanying drawings.
As shown in Figure 2, serial connection fuse F1 and K switch in the power transformer T input circuit in the control circuit, secondary two ends connect rectifier bridge DBS input, the DBS output is connected in series behind the fuse F2 and meets filtering capacitor C1, the serial connection branch road of resistance R 1 and indicator light L, current-limiting resistance R2 one end connects the F2 output, the other end also connects regulator potentiometer RP one stiff end and movable end, adjust triode BG collector electrode, another stiff end of RP also connects the BG base stage, photo resistance RH one end, the BG emitter connects voltage stabilizing circuit IC input 1 pin, IC control end 2 pin connect filtering capacitor C2 positive pole, the C2 negative pole, the RH other end also connects rectification circuit DBS negative pole, IC output 3 pin, the DBS negative pole is a power output end.Each element is installed in the enclosure, on the panel, outconnector.
Claims (1)
1. automatic light-operated DC power supply, comprise shell, the control circuit that it is characterized in that it is by rectification circuit DBS, regulator potentiometer RP, photo resistance RH, adjust triode BG, voltage stabilizing circuit IC forms, wherein be connected in series fuse F1 and K switch in the power transformer T input circuit in the rectification circuit, secondary two ends connect rectifier bridge DBS input, the DBS output is connected in series behind the fuse F2 and meets filtering capacitor C1, the serial connection branch road of resistance R 1 and indicator light L, current-limiting resistance R2 one end connects the F2 output, the other end also connects regulator potentiometer RP one stiff end and movable end, adjust triode BG collector electrode, another stiff end of RP also connects the BG base stage, photo resistance RH one end, the BG emitter connects voltage stabilizing circuit IC input 1 pin, IC control end 2 pin connect filtering capacitor C2 positive pole, the C2 negative pole, the RH other end also connects rectification circuit DBS negative pole, IC output 3 pin, the DBS negative pole is a power output end, each element is installed in the enclosure, on the panel, outconnector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202593720U CN201663559U (en) | 2009-11-19 | 2009-11-19 | Automatic light-control DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202593720U CN201663559U (en) | 2009-11-19 | 2009-11-19 | Automatic light-control DC power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663559U true CN201663559U (en) | 2010-12-01 |
Family
ID=43233976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202593720U Expired - Fee Related CN201663559U (en) | 2009-11-19 | 2009-11-19 | Automatic light-control DC power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663559U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752031A (en) * | 2013-12-26 | 2015-07-01 | 西门子公司 | Pulse transformer, switching power supply with same and residual current device |
| CN105656331A (en) * | 2016-02-29 | 2016-06-08 | 长沙群瑞电子科技有限公司 | High-power direct-current voltage regulation circuit |
| CN106851944A (en) * | 2017-03-23 | 2017-06-13 | 成都零智慧科技有限公司 | A kind of intelligent light-controlled system |
-
2009
- 2009-11-19 CN CN2009202593720U patent/CN201663559U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752031A (en) * | 2013-12-26 | 2015-07-01 | 西门子公司 | Pulse transformer, switching power supply with same and residual current device |
| CN105656331A (en) * | 2016-02-29 | 2016-06-08 | 长沙群瑞电子科技有限公司 | High-power direct-current voltage regulation circuit |
| CN106851944A (en) * | 2017-03-23 | 2017-06-13 | 成都零智慧科技有限公司 | A kind of intelligent light-controlled system |
| CN106851944B (en) * | 2017-03-23 | 2023-04-18 | 成都零一智慧科技有限公司 | Intelligent light control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20111119 |