CN108768369A - A kind of light-operated switch - Google Patents
A kind of light-operated switch Download PDFInfo
- Publication number
- CN108768369A CN108768369A CN201810414376.5A CN201810414376A CN108768369A CN 108768369 A CN108768369 A CN 108768369A CN 201810414376 A CN201810414376 A CN 201810414376A CN 108768369 A CN108768369 A CN 108768369A
- Authority
- CN
- China
- Prior art keywords
- resistance
- light
- operational amplifier
- triode
- relay
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
Abstract
The invention discloses a kind of light-operated switches, including DC power supply, first resistor is to the 4th resistance, photo resistance, potentiometer, operational amplifier, triode, diode and relay, the light of photo resistance induced environment, when light is weaker, photo resistance is in low resistive state, the voltage for flowing through photo resistance is high, after operational amplifier amplifies, again by being loaded on triode after the 4th resistance current limliting, triode ON, relay is connected, the control on-off action of relay is in switch, it is connected in series in application circuit, compared with prior art, the present invention is by incuding the intensity of light by automatic control switch, simultaneously, the sensitivity of adjusting photoinduction can be passed through, sensitivity is allow to be adjusted to the optimum sensitivity of adaptation, have a wide range of application, it has the value of popularization and application.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of light-operated switches.
Background technology
Light-operated switch/light-operated time controller uses advanced embedded computer control technology, melts light control functionality and general
The multi-function high grade time controller (time switch) that logical two big function of time controller is integrated, can be by light-operated probe according to energy saving needs
(function) enables simultaneously with time control function, is up to optimum energy-saving effect.It is that street lamp, Landscape Lamp, advertising lamp box, neon light etc. are set
Standby maximum energy-saving control device；It can be widely applied to all needs such as street, railway, station, navigation channel, school and power supply department
The application places of time control.In the prior art, the type of light-operated switch is various, with being constantly progressive for technology, in line with raising
The purpose of light-operated sensitivity needs constantly to improve and innovate.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of light-operated switch.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes DC power supply, first resistor to the 4th resistance, photo resistance, potentiometer, operational amplifier, three poles
The anode of pipe, diode and relay, DC power supply is put with the emitter of triode, the first end of 3rd resistor, operation simultaneously
7th pin of big device, the first end of first resistor connects with the first end of photo resistance, the cathode of DC power supply and meanwhile with after
The first of the first end of electric appliance, the anode of diode, the 4th pin of operational amplifier, the first end of second resistance, potentiometer
End is connected with the sliding end of potentiometer, the second end of potentiometer while with the second of the second end of photo resistance and operational amplifier
Pin connects, and the second end of first resistor is connect with the third pin of the second end of second resistance and operational amplifier simultaneously, is transported
The 6th pin for calculating amplifier is connect with the first end of the 4th resistance, the second end of the 4th resistance while second with 3rd resistor
End is connected with the base stage of triode, and the collector of triode is connect with the second end of the cathode of diode and relay simultaneously.
The beneficial effects of the present invention are：
The present invention is a kind of light-operated switch, and compared with prior art, the present invention is controlled automatically by incuding the intensity of light
System switch, meanwhile, it is capable to the sensitivity by adjusting photoinduction so that sensitivity can be adjusted to the optimum sensitivity of adaptation,
Have a wide range of application, has the value of popularization and application.
Description of the drawings
Fig. 1 is the circuit structure schematic diagram of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1：The present invention includes DC power supply, first resistor R1 to the 4th resistance R4, photo resistance RG, potentiometer
RP, operational amplifier IC, triode VT, diode VD and relay J, the anode transmitting with triode VT simultaneously of DC power supply
Pole, the first end of 3rd resistor R3, the 7th pin of operational amplifier IC, the first end of first resistor R1 and photo resistance RG
First end connects, the cathode of DC power supply simultaneously with the first end of relay J, the anode of diode VD, operational amplifier IC
4th pin, the first end of second resistance R2, the first end of potentiometer RP are connected with the sliding end of potentiometer RP, potentiometer RP's
Second end is connect with the second pin of the second end of photo resistance RG and operational amplifier IC simultaneously, the second end of first resistor R1
Simultaneously connect with the third pin of the second end of second resistance R2 and operational amplifier IC, the 6th pin of operational amplifier IC and
The first end of 4th resistance R4 connects, the second end of the 4th resistance R4 simultaneously with the second end of 3rd resistor R3 and triode VT
Base stage connects, and the collector of triode VT is connect with the second end of the cathode of diode VD and relay J simultaneously.
Working principle of the present invention is as follows：
The light of photo resistance RG induced environments, when light is weaker, photo resistance RG is in low resistive state, flows through photosensitive electricity
The voltage for hindering RG is high, after operational amplifier IC amplifications, then by being loaded on triode VT after the 4th resistance R4 current limlitings, three poles
Pipe VT conductings, relay J conductings, the control on-off action of relay J is connected in series in switch in application circuit, when light is stronger
When, photo resistance RG is in high-impedance state, and the voltage for flowing through photo resistance RG is low, weak through the amplified signals of operational amplifier IC,
Again by being loaded on triode VT after the 4th resistance R4 current limlitings, to be connected, relay J is disconnected triode VT undertensions.It adjusts
Nodal potential device RP is for adjusting the voltage being loaded on operational amplifier IC, to have the function that adjust sensitivity.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of light-operated switch, it is characterised in that：Including DC power supply, first resistor to the 4th resistance, photo resistance, current potential
The anode of device, operational amplifier, triode, diode and relay, DC power supply is electric with the emitter of triode, third simultaneously
First end, the 7th pin of operational amplifier, the first end of first resistor of resistance are connected with the first end of photo resistance, direct current
The cathode in source simultaneously with the first end of relay, the anode of diode, the 4th pin of operational amplifier, second resistance first
End, the first end of potentiometer connects with the sliding end of potentiometer, the second end of potentiometer and meanwhile with the second end of photo resistance and
The second pin of operational amplifier connects, the second end of first resistor simultaneously with the second end of second resistance and operational amplifier
Third pin connects, and the 6th pin of operational amplifier is connect with the first end of the 4th resistance, and the second end of the 4th resistance is simultaneously
It is connect with the base stage of the second end of 3rd resistor and triode, the collector of triode while cathode and relay with diode
Second end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414376.5A CN108768369A (en) | 2018-05-03 | 2018-05-03 | A kind of light-operated switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414376.5A CN108768369A (en) | 2018-05-03 | 2018-05-03 | A kind of light-operated switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108768369A true CN108768369A (en) | 2018-11-06 |
Family
ID=64009010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810414376.5A Pending CN108768369A (en) | 2018-05-03 | 2018-05-03 | A kind of light-operated switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108768369A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109359640A (en) * | 2018-12-21 | 2019-02-19 | 武汉华星光电半导体显示技术有限公司 | A kind of fingerprint recognition display panel and fingerprint identification method |
| CN112526894A (en) * | 2020-11-03 | 2021-03-19 | 中国十九冶集团有限公司 | General personal safety protector for electromechanical equipment |
| CN113325749A (en) * | 2021-05-07 | 2021-08-31 | 兰玉华 | Control circuit of protective curtain device of angiography machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012084666A (en) * | 2010-10-08 | 2012-04-26 | Nec Corp | Optical amplifying device, oadm device, optical repeater, and oadm communication system |
| CN103368550A (en) * | 2013-07-14 | 2013-10-23 | 周芸 | Light-operated switch manufactured through voltage comparator |
| CN103401546A (en) * | 2013-07-13 | 2013-11-20 | 何林 | Universal light-operated switch |
| CN203399077U (en) * | 2013-07-13 | 2014-01-15 | 何林 | General light-operated switch |
| CN104467780A (en) * | 2014-12-22 | 2015-03-25 | 王志 | Discrete component dark light control switch |
| CN207118049U (en) * | 2017-09-18 | 2018-03-16 | 董国燊 | A kind of electric lamp control switch |
-
2018
- 2018-05-03 CN CN201810414376.5A patent/CN108768369A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012084666A (en) * | 2010-10-08 | 2012-04-26 | Nec Corp | Optical amplifying device, oadm device, optical repeater, and oadm communication system |
| CN103401546A (en) * | 2013-07-13 | 2013-11-20 | 何林 | Universal light-operated switch |
| CN203399077U (en) * | 2013-07-13 | 2014-01-15 | 何林 | General light-operated switch |
| CN103368550A (en) * | 2013-07-14 | 2013-10-23 | 周芸 | Light-operated switch manufactured through voltage comparator |
| CN104467780A (en) * | 2014-12-22 | 2015-03-25 | 王志 | Discrete component dark light control switch |
| CN207118049U (en) * | 2017-09-18 | 2018-03-16 | 董国燊 | A kind of electric lamp control switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109359640A (en) * | 2018-12-21 | 2019-02-19 | 武汉华星光电半导体显示技术有限公司 | A kind of fingerprint recognition display panel and fingerprint identification method |
| US11302111B2 (en) | 2018-12-21 | 2022-04-12 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Fingerprint sensing display panel and fingerprint sensing method |
| CN112526894A (en) * | 2020-11-03 | 2021-03-19 | 中国十九冶集团有限公司 | General personal safety protector for electromechanical equipment |
| CN113325749A (en) * | 2021-05-07 | 2021-08-31 | 兰玉华 | Control circuit of protective curtain device of angiography machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181106 |
|
| WD01 | Invention patent application deemed withdrawn after publication |