CN204244518U - A kind of lighting switch circuit - Google Patents
A kind of lighting switch circuit Download PDFInfo
- Publication number
- CN204244518U CN204244518U CN201420638484.8U CN201420638484U CN204244518U CN 204244518 U CN204244518 U CN 204244518U CN 201420638484 U CN201420638484 U CN 201420638484U CN 204244518 U CN204244518 U CN 204244518U
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- triode
- operational amplifier
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of lighting switch circuit, comprise infrared sensor, first electric capacity ~ the 4th electric capacity, photo resistance, first resistance ~ the 9th resistance, first triode, second triode, first operational amplifier, second operational amplifier, bidirectional thyristor and DC power supply, first triode and the second resistance form first order amplifying circuit, first operational amplifier, 3rd resistance, 3rd electric capacity and the 4th resistance form second level amplifying circuit, 5th resistance, 6th resistance, 7th resistance and the second operational amplifier form voltage comparator circuit, 9th resistance, second triode and bidirectional thyristor form control circuit.The switching circuit that a kind of lighting switch circuit described in the utility model is light-operated and human body detection combines, the only just path when the dark and infrared sensor of light detects people.This switching circuit does not use relay, is beneficial to volume microminiaturization, saves contact maintenance cost.
Description
Technical field
The utility model relates to a kind of lighting switch, particularly relates to a kind of lighting switch circuit.
Background technology
Illumination is the measure utilizing various light illuminating work and life area or item, its objective is and creates good visibility and comfortable environment.At present, owing to considering just current cost, general lighting switch is all manual, can make light source light yellow always, cause a large amount of waste of energy in use procedure due to a variety of causes; And general inductive switch uses relay, the volume of limit switch, contact is easily damaged simultaneously, and impact normally uses.
Utility model content
The purpose of this utility model is just to provide a kind of lighting switch circuit to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of lighting switch circuit described in the utility model, comprises infrared sensor, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, photo resistance, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance, first triode, second triode, first operational amplifier, second operational amplifier, bidirectional thyristor and DC power supply, described infrared sensor is human body infrared for responding to, and the signal output part of described infrared sensor is connected with the first end of described first electric capacity, the second end of described first electric capacity simultaneously with the first end of described second electric capacity, the first end of described photo resistance, the base stage of described first triode connects, the second end of described second electric capacity simultaneously with the first end of described first resistance, the first end of described second resistance, the inverting input of described first operational amplifier connects, the second end of described second resistance simultaneously with the second end of described photo resistance, the collector electrode of described first triode connects, the in-phase input end of described first operational amplifier simultaneously with the first end of described 3rd electric capacity, the first end of described 3rd resistance, the first end of described 4th resistance connects, and the second end of described 4th resistance is connected with the first end of described 4th electric capacity, with the second end of described 3rd electric capacity while of the output of described first operational amplifier, second end of described 3rd resistance, the inverting input of described second operational amplifier connects, and the in-phase input end of described second operational amplifier is connected with the first end of described 5th resistance, with the first end of described 6th resistance while of the second end of described 5th resistance, the first end of described 7th resistance connects, the output of described second operational amplifier is connected with the first end of described 8th resistance, second end of described 8th resistance is connected with the base stage of described second triode, the collector electrode of described second triode is connected with the first end of described 9th resistance, second end of described 9th resistance is connected with the control end of described bidirectional thyristor, the positive pole of described DC power supply simultaneously with the power positive end of described infrared sensor, second end of described first resistance, second end of described 6th resistance connects, and the negative pole of described DC power supply is simultaneously extreme with the power-of described infrared sensor, the emitter of described first triode, second end of described 4th electric capacity, second end of described 7th resistance, the emitter of described second triode connects, and described bidirectional thyristor is connected on the power line of electric light.
The beneficial effects of the utility model are:
The switching circuit that a kind of lighting switch circuit described in the utility model is light-operated and human body detection combines, the only just path when the dark and infrared sensor of light detects people.This switching circuit does not use relay, is beneficial to volume microminiaturization, saves contact maintenance cost.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of lighting switch circuit shown in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of intelligent illuminating switch circuit described in the utility model, comprises infrared sensor PI, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, photo resistance RL, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, 8th resistance R8, 9th resistance R9, first triode Q1, second triode Q2, first operational amplifier A 1, second operational amplifier A 2, bidirectional thyristor VT and DC power supply (in figure+Vcc power supply), infrared sensor PI is human body infrared for responding to, the signal output part of infrared sensor PI is connected with the first end of the first electric capacity C1, second end of the first electric capacity C1 simultaneously with the first end of the second electric capacity C2, the first end of photo resistance RL, the base stage of the first triode Q1 connects, second end of the second electric capacity C2 simultaneously with the first end of the first resistance R1, the first end of the second resistance R2, the inverting input of the first operational amplifier A 1 connects, second end of the second resistance R2 simultaneously with second end of photo resistance RL, the collector electrode of the first triode Q1 connects, the in-phase input end of the first operational amplifier A 1 simultaneously with the first end of the 3rd electric capacity C3, the first end of the 3rd resistance R3, the first end of the 4th resistance R4 connects, and second end of the 4th resistance R4 is connected with the first end of the 4th electric capacity C4, with second end of the 3rd electric capacity C3 while of the output of the first operational amplifier A 1, second end of the 3rd resistance R3, the inverting input of the second operational amplifier A 2 connects, and the in-phase input end of the second operational amplifier A 2 is connected with the first end of the 5th resistance R5, with the first end of the 6th resistance R6 while of second end of the 5th resistance R5, the first end of the 7th resistance R7 connects, the output of the second operational amplifier A 2 is connected with the first end of the 8th resistance R8, second end of the 8th resistance R8 is connected with the base stage of the second triode Q2, the collector electrode of the second triode Q2 is connected with the first end of the 9th resistance R9, second end of the 9th resistance R9 is connected with the control end of bidirectional thyristor VT, the positive pole of DC power supply simultaneously with the power positive end of infrared sensor PI, second end of the first resistance R1, second end of the 6th resistance R6 connects, and the negative pole of DC power supply is simultaneously extreme with the power-of infrared sensor PI, the emitter of the first triode Q1, second end of the 4th electric capacity C4, second end of the 7th resistance R7, the emitter of the second triode Q2 connects, and bidirectional thyristor VT is connected on the power line of electric light.
A kind of lighting switch circuit described in the utility model, first triode Q1 and the second resistance R2 forms first order amplifying circuit, first operational amplifier A 1, the 3rd resistance R3, the 3rd electric capacity C3 and the 4th resistance R4 form second level amplifying circuit, 5th resistance R5, the 6th resistance R6, the 7th resistance R7 and the second operational amplifier A 2 form voltage comparator circuit, and the 9th resistance R9, the second triode Q2 and bidirectional thyristor VT form control circuit.During light on daytime, photo resistance RL is little, and the first triode Q1 ends, and switching circuit does not work; When night is unglazed, photo resistance RL is large, and the first triode Q1 normally works, and switching circuit normally works.When unglazed, the infrared signal that infrared sensor PI detects human body sends low frequency signal to circuit, and low frequency signal amplifies through the first amplifying circuit and second level amplifying circuit, then compares output high level through voltage comparator circuit, second triode Q2 conducting, bidirectional thyristor VT conducting.
Claims (1)
1. a lighting switch circuit, is characterized in that: comprise infrared sensor, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, photo resistance, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance, first triode, second triode, first operational amplifier, second operational amplifier, bidirectional thyristor and DC power supply, described infrared sensor is human body infrared for responding to, and the signal output part of described infrared sensor is connected with the first end of described first electric capacity, the second end of described first electric capacity simultaneously with the first end of described second electric capacity, the first end of described photo resistance, the base stage of described first triode connects, the second end of described second electric capacity simultaneously with the first end of described first resistance, the first end of described second resistance, the inverting input of described first operational amplifier connects, the second end of described second resistance simultaneously with the second end of described photo resistance, the collector electrode of described first triode connects, the in-phase input end of described first operational amplifier simultaneously with the first end of described 3rd electric capacity, the first end of described 3rd resistance, the first end of described 4th resistance connects, and the second end of described 4th resistance is connected with the first end of described 4th electric capacity, with the second end of described 3rd electric capacity while of the output of described first operational amplifier, second end of described 3rd resistance, the inverting input of described second operational amplifier connects, and the in-phase input end of described second operational amplifier is connected with the first end of described 5th resistance, with the first end of described 6th resistance while of the second end of described 5th resistance, the first end of described 7th resistance connects, the output of described second operational amplifier is connected with the first end of described 8th resistance, second end of described 8th resistance is connected with the base stage of described second triode, the collector electrode of described second triode is connected with the first end of described 9th resistance, second end of described 9th resistance is connected with the control end of described bidirectional thyristor, the positive pole of described DC power supply simultaneously with the power positive end of described infrared sensor, second end of described first resistance, second end of described 6th resistance connects, and the negative pole of described DC power supply is simultaneously extreme with the power-of described infrared sensor, the emitter of described first triode, second end of described 4th electric capacity, second end of described 7th resistance, the emitter of described second triode connects, and described bidirectional thyristor is connected on the power line of electric light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638484.8U CN204244518U (en) | 2014-10-29 | 2014-10-29 | A kind of lighting switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638484.8U CN204244518U (en) | 2014-10-29 | 2014-10-29 | A kind of lighting switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204244518U true CN204244518U (en) | 2015-04-01 |
Family
ID=52773953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420638484.8U Expired - Fee Related CN204244518U (en) | 2014-10-29 | 2014-10-29 | A kind of lighting switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204244518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714425A (en) * | 2017-02-09 | 2017-05-24 | 中山自信照明科技有限公司 | Circuit of illuminating switch |
| CN107613622A (en) * | 2017-09-30 | 2018-01-19 | 胡振锋 | A kind of intelligent desk lamp control device |
-
2014
- 2014-10-29 CN CN201420638484.8U patent/CN204244518U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714425A (en) * | 2017-02-09 | 2017-05-24 | 中山自信照明科技有限公司 | Circuit of illuminating switch |
| CN107613622A (en) * | 2017-09-30 | 2018-01-19 | 胡振锋 | A kind of intelligent desk lamp control device |
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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: 20150401 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |