CN106714425A - Circuit of illuminating switch - Google Patents
Circuit of illuminating switch Download PDFInfo
- Publication number
- CN106714425A CN106714425A CN201710070747.8A CN201710070747A CN106714425A CN 106714425 A CN106714425 A CN 106714425A CN 201710070747 A CN201710070747 A CN 201710070747A CN 106714425 A CN106714425 A CN 106714425A
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- China
- Prior art keywords
- resistance
- triode
- resistor
- electric capacity
- operational amplifier
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- 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.)
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Landscapes
- Amplifiers (AREA)
- Electronic Switches (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a circuit of an illuminating switch. The circuit comprises an infrared sensor, a first triode, a second triode, a bidirectional thyristor, a first operational amplifier, a second operational amplifier, a light-sensitive resistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a fifth capacitor, wherein a power supply positive electrode end of the infrared sensor is connected with a power supply; a power supply negative electrode end of the infrared sensor is grounded; an output end of the infrared sensor is respectively connected with one end of the tenth resistor, one end of the eleventh resistor and one end of the light-sensitive resistor by the first capacitor; a base of the first triode is connected with the other end of the eleventh resistor; and an emitter of the first triode is grounded. The circuit disclosed by the invention has the advantages that a circuit protection function is achieved, the safety performance is higher and the reliability is higher.
Description
Technical field
The present invention relates to lighting field, more particularly to a kind of light switch circuit.
Background technology
Illumination is the measure that Working Life place or item are illuminated using various light sources, good the purpose is to create
Visibility and comfortable environment.At present, it is contemplated that first current cost, general light switch is all manual, is being used
Journey can cause light source light yellow always due to a variety of causes, cause substantial amounts of waste of energy；And general inductive switch uses relay
Device, the volume of limit switch, while contact is easily damaged, influence is normally used.Further, since existing light switch circuit one
As do not have circuit protection function, cause the security performance of circuit not high, there is potential safety hazard when in use.
The content of the invention
The technical problem to be solved in the present invention is, for the above-mentioned without circuit protection function, circuit of prior art
Security performance defect not high, there is provided a kind of security performance with circuit protection function, circuit is higher, reliability is higher
Light switch circuit.
The technical solution adopted for the present invention to solve the technical problems is：A kind of light switch circuit is constructed, including it is infrared
Sensor, the first triode, the second triode, bidirectional thyristor, the first operational amplifier, the second operational amplifier, photosensitive electricity
Resistance, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance,
Nine resistance, the tenth resistance, the 11st resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity and the 5th electric capacity, it is described
The power positive end of infrared sensor is connected with power supply, the power cathode end ground connection of the infrared sensor, described infrared
The output end of sensor is by first electric capacity one end respectively with the tenth resistance, one end of the 11st resistance and photosensitive
One end connection of resistance, the base stage of first triode is connected with the other end of the 11st resistance, the one or three pole
The grounded emitter of pipe, the other end of the tenth resistance by second electric capacity one end respectively with the first resistor,
The inverting input connection of one end of second resistance and the first operational amplifier, the colelctor electrode of first triode respectively with institute
The other end connection of the other end and second resistance of photo resistance is stated, the other end of the first resistor connects with the power supply
Connect, the in-phase input end of first operational amplifier one end, one end of 3rd resistor and respectively with the 3rd electric capacity
One end connection of four resistance, the other end of the 3rd electric capacity and the other end of 3rd resistor with first operational amplifier
Output end connection, the other end of the 4th resistance by the 4th capacity earth, second operational amplifier it is anti-
It is connected with the output end of first operational amplifier to input, the in-phase input end of second operational amplifier passes through institute
The 5th resistance is stated to be connected with one end of the 6th resistance and one end of the 7th resistance respectively, the other end of the 6th resistance with
The power supply connection, the other end ground connection of the 7th resistance, the output end of second operational amplifier is by described
8th resistance is connected with the base stage of second triode, and the colelctor electrode of second triode passes through the 9th resistance and institute
The control pole connection of bidirectional thyristor is stated, the bidirectional thyristor is connected on the power line of electric light, the hair of second triode
Emitter grounding.
In light switch circuit of the present invention, also including the 12nd resistance and the 13rd resistance, the described 1st
The colelctor electrode of pole pipe is connected by the 12nd resistance with the other end of the second resistance, the transmitting of first triode
Pole passes through the 13rd resistance eutral grounding.
In light switch circuit of the present invention, also including the 6th electric capacity, the output of second operational amplifier
End passes sequentially through the 8th resistance and the 6th electric capacity is connected with the base stage of second triode.
In light switch circuit of the present invention, also including the 14th resistance, the power supply of the infrared sensor is just
Extremely it is connected with the power supply by the 14th resistance.
In light switch circuit of the present invention, also including the 15th resistance, the emitter stage of second triode
By the 15th resistance eutral grounding.
In light switch circuit of the present invention, also including the 16th resistance, first operational amplifier it is anti-
It is connected with the other end of second electric capacity by the 16th resistance to input.
Implement light switch circuit of the invention, have the advantages that：Due to being provided with infrared sensor, the one or three pole
Pipe, the second triode, bidirectional thyristor, the first operational amplifier, the second operational amplifier, photo resistance, first resistor, second
Resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance,
11st resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity and the 5th electric capacity, the tenth resistance and the 11st resistance
Current-limiting resistance is, for carrying out overcurrent protection, the 5th electric capacity is coupled capacitor, can prevent the first operational amplifier and second
Interference between operational amplifier, improve circuit performance, therefore its have circuit protection function, circuit security performance compared with
High, reliability is higher.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the circuit theory diagrams in light switch circuit one embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In light switch circuit embodiments of the present invention, the structural representation of the light switch circuit is as shown in Figure 1.Fig. 1
In, the light switch circuit includes infrared sensor PI, the first triode Q1, the second triode Q2, bidirectional thyristor VT, first
Operational amplifier A 1, the second operational amplifier A 2, photo resistance RL, first resistor R1, second resistance R2,3rd resistor R3,
Four resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10,
11st resistance R11, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4 and the 5th electric capacity C5, wherein, it is red
The power positive end of outer sensor PI is connected with power supply VCC, the power cathode end ground connection of infrared sensor PI, infrared sensing
The output end of device PI is by the first electric capacity C1 one end respectively with the tenth resistance R10, one end of the 11st resistance R11 and photosensitive electricity
One end connection of RL is hindered, the base stage of the first triode Q1 is connected with the other end of the 11st resistance R11, the hair of the first triode Q1
Emitter grounding, the other end of the tenth resistance R10 is by the second electric capacity C2 one end respectively with first resistor R1, second resistance R2
The inverting input connection of one end and the first operational amplifier A 1, the colelctor electrode of the first triode Q1 is respectively with photo resistance RL's
The other end connection of the other end and second resistance R2, the other end of first resistor R1 is connected with power supply VCC.
In the present embodiment, the in-phase input end of the first operational amplifier A 1 one end, the 3rd electricity respectively with the 3rd electric capacity C3
Hinder one end connection of one end and the 4th resistance R4 of R3, the other end of the 3rd electric capacity C3 and the other end of 3rd resistor R3 are with the
The output end connection of one operational amplifier A 1, the other end of the 4th resistance R4 is grounded by the 4th electric capacity C4, the second operation amplifier
The reverse input end of device A2 is connected with the output end of the first operational amplifier A 1, and the in-phase input end of the second operational amplifier A 2 leads to
The 5th resistance R5 is crossed to be connected with one end of the 6th resistance R6 and one end of the 7th resistance R7 respectively, the other end of the 6th resistance R6 with
Power supply VCC is connected, and the other end ground connection of the 7th resistance R7, the output end of the second operational amplifier A 2 passes through the 8th resistance R8
Base stage with the second triode Q2 is connected, and the colelctor electrode of the second triode Q2 passes through the control of the 9th resistance R9 and bidirectional thyristor VT
Pole connection processed, bidirectional thyristor VT is connected on the power line of electric light, the grounded emitter of the second triode Q2.
In the present embodiment, the tenth resistance R10 and the 11st resistance R11 is current-limiting resistance, the tenth resistance R10 and the 11st
Branch road where resistance R11 is used for the base stage of the first triode Q1 carries out overcurrent protection, and the 5th electric capacity C5 is coupled capacitor, is used for
The interference between the first operational amplifier A 1 and the second operational amplifier A 2 is prevented, therefore it has circuit protection function, circuit
Security performance is higher, reliability is higher.
Wherein, the first triode Q1 and second resistance R2 constitutes one-level amplifying circuit, the electricity of the first operational amplifier A the 1, the 3rd
Resistance R3, the 3rd electric capacity C3 and the 4th resistance R4 constitute second amplifying circuit, the 5th resistance R5, the 5th electric capacity C5, the 6th resistance R6,
7th resistance R7 and the second operational amplifier A 2 constitute voltage comparator circuit, the 9th resistance R9, the second triode Q2 and two-way crystalline substance
Brake tube VT constitutes control circuit.The resistance of photo resistance RL is smaller during light on daytime, the first triode Q1 cut-offs, the light switch
Circuit does not work；The resistance of photo resistance RL is larger when night is unglazed, the first triode Q1 normal works, the light switch circuit
Normal work.When without light, the infrared signal that infrared sensor PI detects human body sends low frequency signal, low frequency signal to circuit
Amplify through one-level amplifying circuit and second amplifying circuit, then compare output high level, the second triode Q2 through voltage comparator circuit
Conducting, bidirectional thyristor VT conductings.
In the present embodiment, the light switch circuit also includes the 12nd resistance R12 and the 13rd resistance R13, the one or three pole
The colelctor electrode of pipe Q1 is connected by the 12nd resistance R12 with the other end of second resistance R2, and the emitter stage of the first triode Q1 leads to
Cross the 13rd resistance R13 ground connection.12nd resistance R12 and the 13rd resistance R13 are current-limiting resistance, and the 12nd resistance R12 is used
Branch road where to the colelctor electrode of the first triode Q1 carries out overcurrent protection, and the 13rd resistance R13 is used for the first triode
Branch road where the emitter stage of Q1 carries out overcurrent protection, further to improve the security performance of circuit.
In the present embodiment, the light switch circuit also includes the 6th electric capacity C6, the output end of the second operational amplifier A 2 according to
It is secondary to pass through the 8th resistance R8 and the 6th electric capacity C6 is connected with the base stage of the second triode Q2.6th electric capacity C6 is coupled capacitor, is used
In preventing the interference between the second operational amplifier A 2 and the second triode Q2.
In the present embodiment, the light switch circuit also includes the 14th resistance R14, the power positive end of infrared sensor PI
It is connected with power supply VCC by the 14th resistance R14.14th resistance R14 is current-limiting resistance, for infrared sensor PI
And the branch road between first resistor R1 carries out overcurrent protection, further to improve the security performance of circuit.
In the present embodiment, the light switch circuit also includes the 15th resistance R15, and the emitter stage of the second triode Q2 passes through
15th resistance R15 is grounded.15th resistance R15 is current-limiting resistance, for the branch where the emitter stage to the second triode Q2
Road carries out overcurrent protection.
In the present embodiment, the light switch circuit also include the 16th resistance R16, the first operational amplifier A 1 it is reverse defeated
Enter end to be connected with the other end of the second electric capacity C2 by the 16th resistance R16.16th resistance R16 is current-limiting resistance, for right
Branch road where the reverse input end of the first operational amplifier A 1 carries out overcurrent protection.
In a word, in the present embodiment, due to being provided with current-limiting resistance and coupled capacitor, overcurrent protection can be carried out to circuit,
And prevent circuit from disturbing, therefore its have circuit protection function, circuit security performance is higher, reliability is higher.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. a kind of light switch circuit, it is characterised in that including infrared sensor, the first triode, the second triode, two-way crystalline substance
Brake tube, the first operational amplifier, the second operational amplifier, photo resistance, first resistor, second resistance, 3rd resistor, the 4th electricity
Resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11st resistance, the first electric capacity,
Second electric capacity, the 3rd electric capacity, the 4th electric capacity and the 5th electric capacity, power positive end and the power supply of the infrared sensor connect
Connect, the power cathode end ground connection of the infrared sensor, the output end of the infrared sensor is distinguished by first electric capacity
One end, one end of the 11st resistance and one end of photo resistance with the tenth resistance are connected, the base of first triode
Pole is connected with the other end of the 11st resistance, the grounded emitter of first triode, the tenth resistance it is another
Hold by the anti-of second electric capacity one end respectively with the first resistor, one end of second resistance and the first operational amplifier
Phase input is connected, and the colelctor electrode of first triode is another with the other end of the photo resistance and second resistance respectively
End connection, the other end of the first resistor is connected with the power supply, the in-phase input end of first operational amplifier
The one end with one end, one end of 3rd resistor and the 4th resistance of the 3rd electric capacity is connected respectively, the 3rd electric capacity it is another
Output end of the other end of one end and 3rd resistor with first operational amplifier is connected, the other end of the 4th resistance
By the 4th capacity earth, the output of the reverse input end of second operational amplifier and first operational amplifier
End connection, the in-phase input end of second operational amplifier by the 5th resistance respectively with one end of the 6th resistance
Connected with one end of the 7th resistance, the other end of the 6th resistance is connected with the power supply, the 7th resistance it is another
One end is grounded, and the output end of second operational amplifier is connected by the 8th resistance with the base stage of second triode
Connect, the colelctor electrode of second triode is connected by the 9th resistance with the control pole of the bidirectional thyristor, it is described double
It is connected on the power line of electric light to IGCT, the grounded emitter of second triode.
2. light switch circuit according to claim 1, it is characterised in that also including the 12nd resistance and the 13rd electricity
Resistance, the colelctor electrode of first triode is connected by the 12nd resistance with the other end of the second resistance, and described the
The emitter stage of one triode passes through the 13rd resistance eutral grounding.
3. light switch circuit according to claim 2, it is characterised in that also including the 6th electric capacity, second computing
The output end of amplifier passes sequentially through the 8th resistance and the 6th electric capacity is connected with the base stage of second triode.
4. the light switch circuit according to claims 1 to 3 any one, it is characterised in that also including the 14th resistance,
The power positive end of the infrared sensor is connected by the 14th resistance with the power supply.
5. light switch circuit according to claim 4, it is characterised in that also including the 15th resistance, the described 2nd 3
The emitter stage of pole pipe passes through the 15th resistance eutral grounding.
6. light switch circuit according to claim 5, it is characterised in that also including the 16th resistance, first fortune
The reverse input end for calculating amplifier is connected by the 16th resistance with the other end of second electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070747.8A CN106714425A (en) | 2017-02-09 | 2017-02-09 | Circuit of illuminating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710070747.8A CN106714425A (en) | 2017-02-09 | 2017-02-09 | Circuit of illuminating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106714425A true CN106714425A (en) | 2017-05-24 |
Family
ID=58910692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710070747.8A Pending CN106714425A (en) | 2017-02-09 | 2017-02-09 | Circuit of illuminating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106714425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470856A (en) * | 2023-04-28 | 2023-07-21 | 应急管理部国家自然灾害防治研究院 | Demodulation weak signal amplifying circuit of optical fiber sensor |
| CN117935578A (en) * | 2024-01-19 | 2024-04-26 | 重庆南天智能设施有限公司 | Traffic light dynamic monitoring management system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110279053A1 (en) * | 2010-05-11 | 2011-11-17 | Arkalumen Inc. | Variable voltage control apparatus and lighting apparatus incorporating control apparatus |
| CN204244518U (en) * | 2014-10-29 | 2015-04-01 | 成都瑞途电子有限公司 | A kind of lighting switch circuit |
| CN106255295A (en) * | 2016-10-10 | 2016-12-21 | 成都烨辰新材料科技有限公司 | The high steady high-precision lighting circuit of touch delay protection for drawer illumination |
| CN206490881U (en) * | 2017-02-09 | 2017-09-12 | 中山自信照明科技有限公司 | Light switch circuit |
-
2017
- 2017-02-09 CN CN201710070747.8A patent/CN106714425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110279053A1 (en) * | 2010-05-11 | 2011-11-17 | Arkalumen Inc. | Variable voltage control apparatus and lighting apparatus incorporating control apparatus |
| CN204244518U (en) * | 2014-10-29 | 2015-04-01 | 成都瑞途电子有限公司 | A kind of lighting switch circuit |
| CN106255295A (en) * | 2016-10-10 | 2016-12-21 | 成都烨辰新材料科技有限公司 | The high steady high-precision lighting circuit of touch delay protection for drawer illumination |
| CN206490881U (en) * | 2017-02-09 | 2017-09-12 | 中山自信照明科技有限公司 | Light switch circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470856A (en) * | 2023-04-28 | 2023-07-21 | 应急管理部国家自然灾害防治研究院 | Demodulation weak signal amplifying circuit of optical fiber sensor |
| CN116470856B (en) * | 2023-04-28 | 2023-10-24 | 应急管理部国家自然灾害防治研究院 | Demodulation weak signal amplifying circuit of optical fiber sensor |
| CN117935578A (en) * | 2024-01-19 | 2024-04-26 | 重庆南天智能设施有限公司 | Traffic light dynamic monitoring management system |
| CN117935578B (en) * | 2024-01-19 | 2024-08-30 | 重庆南天智能设施有限公司 | Traffic light dynamic monitoring management system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |