CN103929165A - LED flashlight light-operated switch - Google Patents
LED flashlight light-operated switch Download PDFInfo
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- CN103929165A CN103929165A CN201410161612.9A CN201410161612A CN103929165A CN 103929165 A CN103929165 A CN 103929165A CN 201410161612 A CN201410161612 A CN 201410161612A CN 103929165 A CN103929165 A CN 103929165A
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- type triode
- npn type
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- photo resistance
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Abstract
The invention discloses an LED flashlight light-operated switch. The LED flashlight light-operated switch is characterized by comprising a 12V direct-current power supply, a photosensitive signal detection and amplification circuit, a relay control circuit and a status indicating circuit; the photosensitive signal detection and amplification circuit is composed of a photosensitive resistor RG1, a linear potentiometer RP1, an NPN type triode VT1, a photosensitive resistor RG2, a linear potentiometer RP2 and an NPN type triode VT2, and the model of the two photosensitive resistors RG1 and RG2 is MG25. Currently, LED flashlights are very popular because LED flashlights have the advantages of being high in luminance, good in light condensation effect and the like. An LED flashlight is used as a remote control of the light-operated switch and can be used for controlling lighting lamps or various electrical appliances to be switched on or off within the range of more than six meters, the gate of a storehouse can also be controlled through a relay in the circuit of the light-operated switch, or electric devices such as an electric curtain can be controlled through a direct-current motor.
Description
Technical field
The invention belongs to electronics and light-operated technical field, relate to a kind of LED flashlight light-operated switch.
Background technology
Utilize the infrared remote controllers such as colour TV, VCD, DVD, air-conditioning, electric fan and electric heater can the various electric equipments of far distance controlled, but infrared receiver and electronic control circuit complicated structure thereof, and cost of manufacture is higher.LED flashlight is very universal now, and LED flashlight is many in use at night, and most time is idle.Because LED flashlight has the features such as the high and spotlight effect of brightness is good, the present invention utilizes LED flashlight as the remote controller of light-operated switch, it can control start or the shutdown of illuminating lamp or various electrical appliances in the above scope of 6m, also can utilize the Control barndoor gate in light-controlled switching circuit, or by electronic equipments such as DC MOTOR CONTROL electrically driven curtains.
Below describe LED flashlight light-operated switch of the present invention related core technology content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: utilize the infrared remote controllers such as colour TV, VCD, DVD, air-conditioning, electric fan and electric heater can the various electric equipments of far distance controlled, but infrared receiver and electronic control circuit complicated structure thereof, and cost of manufacture is higher.LED flashlight is very universal now, and LED flashlight is many in use at night, and most time is idle.Because LED flashlight has the features such as the high and spotlight effect of brightness is good, the present invention utilizes LED flashlight as the remote controller of light-operated switch, it can control start or the shutdown of illuminating lamp or various electrical appliances in the above scope of 6m, also can utilize the Control barndoor gate in light-controlled switching circuit, or by electronic equipments such as DC MOTOR CONTROL electrically driven curtains.
Circuit working principle: in LED flashlight light-controlled switching circuit, photo resistance RG1 is " shutdown " trigger device, and photo resistance RG2 is " start " trigger device.Both are arranged on respectively in cone separately for they, when irradiating in cone photo resistance RG2 with LED flashlight, NPN transistor VT2 is conducting immediately, direct current relay J coil obtains electric adhesive, its normally opened contact J-1 is closed, make the self-locking of direct current relay circuit, another group normally opened contact of direct current relay J J-2 controls power consumption equipment energising work.When needs are closed power consumption equipment, as long as irradiate photo resistance RG1 in cone with LED flashlight, NPN transistor VT1 is conducting immediately, the conducting of NPN transistor VT1 is pulled down to low level by NPN transistor VT2 base potential, force NPN transistor VT2 cut-off, then make direct current relay J normally opened contact J-1 disconnect, electricity consumption device powers down is quit work.
In circuit, the effect of LED is the base potential while raising NPN transistor VT2 conducting, the operation while being conducive to photo resistance RG1 shutdown.LED in circuit can play demonstration " start " or " shutdown " state.The silicon rectifier diode D1 in parallel with direct current relay J coil two ends can play afterflow effect, that is: at NPN transistor VT2, by conducting, become the moment of cut-off, avoid the self induction electromotive force that direct current relay coil produces to superpose and easily puncture the collector junction of NPN transistor VT2 with DC power supply.
Technical scheme: LED flashlight light-operated switch, it comprises 12V DC power supply, photosensor signal detection and amplifying circuit, control relay circuit and condition indication circuit, it is characterized in that:
Photosensor signal detects and amplifying circuit: it is by photo resistance RG1 and linear potentiometer RP1 and NPN type triode VT1, photo resistance RG2 and linear potentiometer RP2 and NPN type triode VT2 form, NPN type triode VT1 base stage connects photo resistance RG1 one end and linear potentiometer RP1 one end, the anodal VCC of photo resistance RG1 other end connection circuit, the linear potentiometer RP1 other end and movable end connection circuit ground GND thereof, NPN type triode VT1 emitter connection circuit ground GND, NPN type triode VT2 base stage and NPN type triode VT1 collector electrode connect photo resistance RG2 one end and linear potentiometer RP2 one end, the anodal VCC of photo resistance RG2 other end connection circuit, the linear potentiometer RP2 other end and movable end connection circuit ground GND thereof, NPN type triode VT1 collector electrode and NPN type triode VT2 collector connecting relay control circuit, NPN type triode VT2 emitter connects condition indication circuit,
Control relay circuit and condition indication circuit: NPN type triode VT1 collector electrode connects the moving contact of direct current relay J normally opened contact J-1 by resistance R 1, the anodal VCC of fixed contact connection circuit of direct current relay J normally opened contact J-1, NPN type triode VT2 collector electrode connects direct current relay J coil one end and silicon rectifier diode D1 is anodal, the anodal VCC of the direct current relay J coil other end and silicon rectifier diode D1 negative pole connection circuit, NPN type triode VT2 emitter connects LED positive pole, LED negative pole connection circuit ground GND, direct current relay J normally opened contact J-2 connects controlled load,
The anodal VCC of 12V DC power anode connection circuit, 12V DC power cathode connection circuit ground GND.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the invention provides a LED flashlight light-operated switch.
Embodiment
According to LED flashlight light-controlled switching circuit fundamental diagram and the accompanying drawing explanation shown in accompanying drawing 1, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical parameter described in execution mode requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The technical parameter of components and parts and selection requirement
RG1～RG2 is photo resistance, the photo resistance that can select the models such as MG45;
The resistance of linear potentiometer RP1～RP2 is 100K Ω;
VT1 is NPN transistor, and the model of selecting is 2SC9013, requires multiplication factor β >=160;
VT2 is NPN transistor, and the model of selecting is 2SC9013, requires multiplication factor β >=160;
LED is light-emitting diode, and selecting diameter is ￠ 5 red light emitting diodes;
D1 is silicon rectifier diode, operating current >=1A, and the model of selecting is 1N4001;
Selecting power is 1/8W metalfilmresistor, and the resistance of resistance R 1 is 8.2K Ω;
J is direct current relay, and the model of selecting is JRX-13F, and the operating voltage of its coil is 9V.
Circuit production main points and circuit debugging
Photo resistance RG1～RG2 is arranged on respectively in cone separately, and the barrel dliameter of cone is less, the length of cone is slightly long, is conducive to improve the reliability of light-operated switch, and LED flashlight command range is also far away;
Because of LED flashlight light-controlled switching circuit relatively simple for structure, comparison is easy, as long as the electronic devices and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing 1 is welded to specifications, physical connection line and welding quality are after careful inspection is correct, and circuit of the present invention does not need to debug and can normally work substantially;
Respectively the resistance of linear adjustment potentiometer RP1～RP2, makes LED flashlight command range farthest, and is not subject to the interference of available light or indoor light and causes misoperation, allows if desired more slow in reacting to available light of photo resistance RG1～RG2.
Claims (1)
1. a LED flashlight light-operated switch, it comprises 12V DC power supply, photosensor signal detection and amplifying circuit, control relay circuit and condition indication circuit, it is characterized in that:
Described photosensor signal detection and amplifying circuit thereof are by photo resistance RG1 and linear potentiometer RP1 and NPN type triode VT1, photo resistance RG2 and linear potentiometer RP2 and NPN type triode VT2 form, the model that 2 photo resistance RG1～RG2 select is MG45, NPN type triode VT1 base stage connects photo resistance RG1 one end and linear potentiometer RP1 one end, the anodal VCC of photo resistance RG1 other end connection circuit, the linear potentiometer RP1 other end and movable end connection circuit ground GND thereof, NPN type triode VT1 emitter connection circuit ground GND, NPN type triode VT2 base stage and NPN type triode VT1 collector electrode connect photo resistance RG2 one end and linear potentiometer RP2 one end, the anodal VCC of photo resistance RG2 other end connection circuit, the linear potentiometer RP2 other end and movable end connection circuit ground GND thereof, NPN type triode VT1 collector electrode and NPN type triode VT2 collector connecting relay control circuit, NPN type triode VT2 emitter connects condition indication circuit,
In described control relay circuit and condition indication circuit, NPN type triode VT1 collector electrode connects the moving contact of direct current relay J normally opened contact J-1 by resistance R 1, the anodal VCC of fixed contact connection circuit of direct current relay J normally opened contact J-1, NPN type triode VT2 collector electrode connects direct current relay J coil one end and silicon rectifier diode D1 is anodal, the anodal VCC of the direct current relay J coil other end and silicon rectifier diode D1 negative pole connection circuit, NPN type triode VT2 emitter connects LED positive pole, LED negative pole connection circuit ground GND, direct current relay J normally opened contact J-2 connects controlled load,
The anodal VCC of described 12V DC power anode connection circuit, 12V DC power cathode connection circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161612.9A CN103929165A (en) | 2014-04-21 | 2014-04-21 | LED flashlight light-operated switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161612.9A CN103929165A (en) | 2014-04-21 | 2014-04-21 | LED flashlight light-operated switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103929165A true CN103929165A (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410161612.9A Pending CN103929165A (en) | 2014-04-21 | 2014-04-21 | LED flashlight light-operated switch |
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| Country | Link |
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| CN (1) | CN103929165A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517259A (en) * | 2016-02-02 | 2016-04-20 | 攀枝花学院 | Intelligent lighting switch circuit |
| CN109347469A (en) * | 2018-10-11 | 2019-02-15 | 西安电子科技大学 | Light-controlled switching circuit based on crystal of molybdenum disulfide pipe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2133532A (en) * | 1983-01-10 | 1984-07-25 | Guilherme Ysenbout Mogas | Light sensitive switch |
| EP0633665A2 (en) * | 1993-07-05 | 1995-01-11 | Philips Electronics Uk Limited | An inverter circuit |
| CN202406094U (en) * | 2012-01-02 | 2012-08-29 | 丁希庆 | Optical control switch circuit |
-
2014
- 2014-04-21 CN CN201410161612.9A patent/CN103929165A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2133532A (en) * | 1983-01-10 | 1984-07-25 | Guilherme Ysenbout Mogas | Light sensitive switch |
| EP0633665A2 (en) * | 1993-07-05 | 1995-01-11 | Philips Electronics Uk Limited | An inverter circuit |
| CN202406094U (en) * | 2012-01-02 | 2012-08-29 | 丁希庆 | Optical control switch circuit |
Non-Patent Citations (1)
| Title |
|---|
| 陈有卿: "《晶体管实验电路300例》", 31 January 2006 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517259A (en) * | 2016-02-02 | 2016-04-20 | 攀枝花学院 | Intelligent lighting switch circuit |
| CN109347469A (en) * | 2018-10-11 | 2019-02-15 | 西安电子科技大学 | Light-controlled switching circuit based on crystal of molybdenum disulfide pipe |
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Application publication date: 20140716 |