CN202841088U - Light-operated electronic switch circuit - Google Patents
Light-operated electronic switch circuit Download PDFInfo
- Publication number
- CN202841088U CN202841088U CN 201220574827 CN201220574827U CN202841088U CN 202841088 U CN202841088 U CN 202841088U CN 201220574827 CN201220574827 CN 201220574827 CN 201220574827 U CN201220574827 U CN 201220574827U CN 202841088 U CN202841088 U CN 202841088U
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- controllable silicon
- triode
- resistor
- bridge rectifier
- switch circuit
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Abstract
The utility model discloses a light-operated electronic switch circuit, relating to the technical field of electronic circuits. An end IV of a bridge rectifier (D) is respectively connected with an anode of controllable silicon (VS) and one end of a resistor (R1); a cathode of the controllable silicon (VS) is connected with an end III of the bridge rectifier (D); the other end of the resistor (R1) is respectively connected with a collector of a triode (V), one end of a resistor (R2) and a negative electrode of a voltage regulator tube (DW); an emitter of the triode (V) is respectively connected with a control electrode of the controllable silicon (VS) and one end of an adjustable resistor (RP); a base electrode of the triode (V) is respectively connected with the other end of the resistor (R2) and a positive electrode of a photosensitive diode (D1); a positive electrode of the voltage regulator tube (DW), a negative electrode of the photosensitive diode (D1), a center tap of the adjustable resistor (RP) and the other end of the adjustable resistor (RP) are connected with the cathode of the controllable silicon (VS). The light-operated electronic switch circuit is reasonable in design and simple in structure; the on and off of the switch circuit is realized by connection and disconnection of the controllable silicon so as to achieve the functions of switching off in the day and switching on at night, so that the purpose of saving power is achieved. The light-operated electronic switch circuit is mainly applicable to public lighting places such as streets and dormitory corridors, and is easy to popularize and use.
Description
Technical field:
The utility model relates to the electronic circuit technology field, is specifically related to a kind of light-controlled electronic switching circuit.
Background technology:
Some public places adopt the mode of manual control on/off to control the illumination of public place as the illumination in street etc., but adopt and control in such a way on/off and be easy to occur in and forget the situation of cutting off the electricity supply when need not to throw light on daytime, not only waste electric energy, but forget the situation of plugged simultaneously in the time of also can occurring occuring to throw light on night.Therefore, it is very inconvenient to adopt artificial mode to control the illumination of power supply public place.
The utility model content:
The purpose of this utility model provides a kind of light-controlled electronic switching circuit, and it plays day and put out bright effect at night, thereby reach the purpose of electrical energy saving by " opening " and " pass " that silicon controlled conducting and blocking-up realize its switching circuit.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it comprises load H, resistance R 1-R2, adjustable resistor RP, bridge rectifier D, controllable silicon VS, voltage-stabiliser tube DW, triode V and photodiode D1, one end of 220V alternating current is connected with 1 end of bridge rectifier D by load H, 2 ends of bridge rectifier D are connected with the other end of 220V alternating current, 4 ends of bridge rectifier D are connected with the end that the anode of controllable silicon VS is connected with resistance R respectively, the negative electrode of controllable silicon VS is connected with 3 ends of bridge rectifier D, the other end of resistance R 1 respectively with the collector electrode of triode V, one end of resistance R 2 is connected negative pole and is connected with voltage-stabiliser tube DW, the emitter of triode V is connected an end with the control utmost point of controllable silicon VS respectively and is connected with adjustable resistor RP, the base stage of triode V is connected positive pole with the other end of resistance R 2 respectively and is connected the positive pole of voltage-stabiliser tube DW with photodiode D1, the negative pole of photodiode D1, the centre tap of adjustable resistor RP is connected the other end and all is connected with the negative electrode of controllable silicon VS with adjustable resistor RP.
Described adjustable resistor RP is used for realizing early morning or dusk switch transition.
The utlity model has following beneficial effect: it is reasonable in design, and is simple in structure, by " opening " and " pass " that silicon controlled conducting and blocking-up realize its switching circuit, plays day and puts out bright effect at night, thereby reach the purpose of electrical energy saving; Mainly be applicable to the public illumination places such as street, dormitory corridor, be easy to promote and use.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment:
Referring to Fig. 1, this embodiment is by the following technical solutions: it comprises load H, resistance R 1-R2, adjustable resistor RP, bridge rectifier D, controllable silicon VS, voltage-stabiliser tube DW, triode V and photodiode D1, one end of 220V alternating current is connected with 1 end of bridge rectifier D by load H, 2 ends of bridge rectifier D are connected with the other end of 220V alternating current, 4 ends of bridge rectifier D are connected with the end that the anode of controllable silicon VS is connected with resistance R respectively, the negative electrode of controllable silicon VS is connected with 3 ends of bridge rectifier D, the other end of resistance R 1 respectively with the collector electrode of triode V, one end of resistance R 2 is connected negative pole and is connected with voltage-stabiliser tube DW, the emitter of triode V is connected an end with the control utmost point of controllable silicon VS respectively and is connected with adjustable resistor RP, the base stage of triode V is connected positive pole with the other end of resistance R 2 respectively and is connected the positive pole of voltage-stabiliser tube DW with photodiode D1, the negative pole of photodiode D1, the centre tap of adjustable resistor RP is connected the other end and all is connected with the negative electrode of controllable silicon VS with adjustable resistor RP.
Described adjustable resistor RP is used for realizing early morning or dusk switch transition.
The operation principle of this embodiment: the 220V alternating current by load H and bridge rectifier D after, become dc pulse moving voltage, as forward bias, be added on controllable silicon VS and resistance R 1 branch road.On daytime, brightness is greater than to a certain degree the time, and photodiode D1 presents low resistive state≤1K Ω, makes triode V cut-off, its emitter no current output, and one-way SCR VS blocks because of the triggerless electric current.Flow through electric current≤2.2mA of load H this moment, and load H can not be luminous.Resistance R 1 and voltage stabilizing didoe DW make triode V bias voltage be no more than 6.8V, and V shields to triode.At night, brightness is less than to a certain degree the time, and photodiode D1 presents high-impedance state 〉=100K Ω, makes triode V forward conduction, and emitter has the voltage of 0.8V approximately, makes controllable silicon VS triggering and conducting, and load H is luminous.
This embodiment has following beneficial effect: it is reasonable in design, and is simple in structure, by " opening " and " pass " that silicon controlled conducting and blocking-up realize its switching circuit, plays day and puts out bright effect at night, thereby reach the purpose of electrical energy saving; Mainly be applicable to the public illumination places such as street, dormitory corridor, be easy to promote and use.
Claims (1)
1. light-controlled electronic switching circuit, it is characterized in that: it comprises load (H), resistance (R1)-(R2), adjustable resistor (RP), bridge rectifier (D), controllable silicon (VS), voltage-stabiliser tube (DW), triode (V) and photodiode (D1), one end of 220V alternating current is connected by 1 end of load (H) with bridge rectifier (D), 2 ends of bridge rectifier (D) are connected with the other end of 220V alternating current, 4 ends of bridge rectifier (D) are connected R1 with the anode of controllable silicon (VS) respectively with resistance) an end be connected, the negative electrode of controllable silicon (VS) is connected with 3 ends of bridge rectifier (D), the other end of resistance (R1) respectively with the collector electrode of triode (V), one end of resistance (R2) is connected DW with voltage-stabiliser tube) negative pole connect, the emitter of triode (V) is connected RP with the control utmost point of controllable silicon (VS) respectively with adjustable resistor) an end be connected, the base stage of triode (V) is connected D1 with the other end of resistance (R2) respectively with photodiode) positive pole be connected the positive pole of voltage-stabiliser tube (DW), the negative pole of photodiode (D1), the centre tap of adjustable resistor (RP) is connected RP with adjustable resistor) the other end all be connected with the negative electrode of controllable silicon (VS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574827 CN202841088U (en) | 2012-11-02 | 2012-11-02 | Light-operated electronic switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574827 CN202841088U (en) | 2012-11-02 | 2012-11-02 | Light-operated electronic switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841088U true CN202841088U (en) | 2013-03-27 |
Family
ID=47952682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574827 Expired - Fee Related CN202841088U (en) | 2012-11-02 | 2012-11-02 | Light-operated electronic switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841088U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263231A (en) * | 2015-11-06 | 2016-01-20 | 韦明肯 | Light-operated switch circuit design |
| CN105744701A (en) * | 2016-03-23 | 2016-07-06 | 成都锐奕信息技术有限公司 | Light-controlled streetlamp controller |
-
2012
- 2012-11-02 CN CN 201220574827 patent/CN202841088U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263231A (en) * | 2015-11-06 | 2016-01-20 | 韦明肯 | Light-operated switch circuit design |
| CN105744701A (en) * | 2016-03-23 | 2016-07-06 | 成都锐奕信息技术有限公司 | Light-controlled streetlamp controller |
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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: 20130327 Termination date: 20151102 |
|
| EXPY | Termination of patent right or utility model |