CN103199839A - Light-operated anti-theft device - Google Patents
Light-operated anti-theft device Download PDFInfo
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- CN103199839A CN103199839A CN2013100562201A CN201310056220A CN103199839A CN 103199839 A CN103199839 A CN 103199839A CN 2013100562201 A CN2013100562201 A CN 2013100562201A CN 201310056220 A CN201310056220 A CN 201310056220A CN 103199839 A CN103199839 A CN 103199839A
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Abstract
The invention discloses a light-operated anti-theft device. The light-operated anti-theft device comprises a direct-current power supply of 12 volts, an A1 voltage comparator circuit and photosensitive circuit, an A4 voltage comparator circuit and reference voltage circuit, a charging and discharging time delay circuit, and an electrical level amplification and control relay circuit. The light-operated anti-theft device is characterized in that the adopted model of an operational amplifier IC1 in the A1 voltage comparator circuit and photosensitive circuit is LM324. According to the light-operated anti-theft device, the operational amplifier IC1 and a photoresistor are used as core components, when family members go out, or no people are at home in the evening and at night, the light-operated anti-theft device can turn on lights and start electrical equipment such as a sound automatically after it gets dark, when preset bedtime comes, the light-operated anti-theft device can turn off power supplies of the lights and the sound automatically as well, the condition that someone is at home is simulated, thieves who come around for scouting do not dare to act rashly, and the light-operated anti-theft device achieves the function similar to the empty fort strategy designed by Chuko Liang (a person of great wisdom and resourcefulness in China).
Description
Technical field
The invention belongs to Electronic Control and technical field of security and protection, relate to a kind of light-controlled antitheft device.
Background technology
Light-controlled antitheft device of the present invention can the layman be gone out, at night with night man in unmanned time marquis, this light-controlled antitheft device can be turned on electrical equipment such as electric light, unlatching sound equipment automatically after the darkness, to the predefined bedtime close the power supply of electric light and sound equipment again automatically, simulation has the be in situation of activity of people, the robber who comes to set foot-point dare not be acted rashly, as the empty-city stratagem of Zhuge Liang's design.
Light-controlled antitheft device of the present invention uses operational amplifier IC1(LM324) and photo resistance as core parts, this light-controlled antitheft device has advantages such as circuit structure is simple and direct, the components and parts use amount is few, circuit performance reliable, the making development cost is low, easy to use, be easy to popularize.
Below describe light-controlled antitheft device of the present invention related relevant technologies content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: light-controlled antitheft device of the present invention can the layman be gone out, at night with night man in unmanned time marquis, this light-controlled antitheft device can be turned on electrical equipment such as electric light, unlatching sound equipment automatically after the darkness, to the predefined bedtime close the power supply of electric light and sound equipment again automatically, simulation has the be in situation of activity of people, the robber who comes to set foot-point dare not be acted rashly, as the empty-city stratagem of Zhuge Liang's design.Light-controlled antitheft device of the present invention uses operational amplifier IC1(LM324) and photo resistance as core parts, this light-controlled antitheft device has advantages such as circuit structure is simple and direct, the components and parts use amount is few, circuit performance reliable, the making development cost is low, easy to use, be easy to popularize.
The circuit working principle: operational amplifier IC1(LM324) inside is made up of four amplifier A1～A4, the present invention uses A1 and A4 wherein, A1 and A4 all are connected into voltage comparator among the operational amplifier IC1, the in-phase input end of A4 connects reference voltage, and reference voltage obtains the 9V dividing potential drop by resistance R 4, linear potentiometer RP.When connecting the 12V DC power supply by day, the resistance of photo resistance RG is very little, the 3rd pin current potential of operational amplifier IC1 is lower than the 2nd pin, the output output low level of A1, the output output high level that causes A4, simultaneously the output output low level of A1 makes positive-negative-positive triode VT1 conducting, and whether relay J work or not electrical equipment such as institute's electric light that connects by day.After the darkness, photo resistance RG resistance increases, and the voltage at its two ends raises, in-phase input end the 3rd pin voltage of A1 is higher than reverse input end the 2nd pin, the output of A1 output high level, the output output high level of A4 makes the relay J dead electricity, makes electrical equipment such as electric light get electric work.The high level of the output of A1 output simultaneously slowly charges to electrochemical capacitor C1 by resistance R 5, and the in-phase input end current potential of A4 slowly rises, and after 6～7 hours, the output of A4 transfers low level to by high level, and then all electrical equipment all quit work.After daybreak in second day, the output of A1 becomes low level again, positive-negative-positive triode VT1 conducting again, and electrical equipment all quits work, and A4 is by resistance R 5 and slowly discharge of operational amplifier IC1 itself by day.Electrochemical capacitor C1 discharge is longer slightly than the electrochemical capacitor C1 charging interval, and electrochemical capacitor C1 discharge off is that second day evening, task was ready again.
Technical scheme: a kind of light-controlled antitheft device comprises that 12V DC power supply, A1 voltage comparator circuit and photosensitive circuit, A4 voltage comparator circuit and reference voltage circuit, charge and discharge delay circuit, level amplify and control relay circuit, is characterized in that:
A1 voltage comparator circuit and photosensitive circuit are made up of operational amplifier IC1, resistance R 1, resistance R 2, resistance R 3 and photo resistance RG, the model that operational amplifier IC1 adopts is LM324, the end of the 2nd pin connecting resistance R1 of operational amplifier IC1 and an end of resistance R 2, the end of the 3rd pin connecting resistance R3 of operational amplifier IC1 and the end of photo resistance RG; The anodal VCC of the other end connection circuit of the other end of resistance R 1 and resistance R 3, the other end connection circuit ground GND of the other end of resistance R 2 and photo resistance RG, the 1st pin of operational amplifier IC1 connects level signal amplifying circuit and charge and discharge delay circuit;
A4 voltage comparator circuit and reference voltage circuit are made up of operational amplifier IC1, resistance R 4 and linear potentiometer RP, the 12nd pin of the termination operational amplifier IC1 of one end of resistance R 4 and linear potentiometer RP, the anodal VCC of the 4th pin connection circuit of the other end of resistance R 4 and operational amplifier IC1, the 11st pin connection circuit ground GND of the other end of linear potentiometer RP and movable end thereof and operational amplifier IC1, the 13rd pin of operational amplifier IC1 connects the charge and discharge delay circuit;
The charge and discharge delay circuit is made up of resistance R 5 and electrochemical capacitor C1, the 1st pin of one termination operational amplifier IC1 of resistance R 5, the 13rd pin of another termination operational amplifier IC1 of resistance R 5 and the positive pole of electrochemical capacitor C1, the negative pole connection circuit ground GND of electrochemical capacitor C1;
The 1st pin of operational amplifier IC1 in level signal amplification and the control relay circuit connects the base stage of positive-negative-positive triode VT1 by resistance R 6, the 14th pin of operational amplifier IC1 connects emitter and the end of direct current relay J and the positive pole of switching diode D1 of positive-negative-positive triode VT1 by resistance R 7, the anodal VCC of the negative pole connection circuit of the other end of direct current relay J and switching diode D1, the collector electrode utmost point connection circuit ground GND of positive-negative-positive triode VT1;
The 12V dc power anode links to each other with circuit anode VCC, and the 12V dc power cathode links to each other with circuit ground GND.
Description of drawings
Accompanying drawing 1 is an embodiment circuit working of light-controlled antitheft device provided by the invention schematic diagram.
Embodiment
According to light-controlled antitheft device circuit fundamental diagram and the description of drawings shown in the accompanying drawing 1, and according to annexation between the components and parts in the described each several part circuit of summary of the invention, and the components and parts technical parameter described in the execution mode requires and the 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 parameter of components and parts and selection
The model that operational amplifier IC1 recommends to use is LM324, it is by four groups of circuit of forming of operational amplifier independently, and present embodiment has only been used two among four groups of operational amplifier LM324, that is: A1 and A4; The LM324 integrated circuit be encapsulated as dual inline type, its 14 pins and function are:
1 pin OUTPUT 1,2 pin INPUT 1-, 3 pin INPUT 1+; 4 pin connect the positive pole (VCC) of power supply;
5 pin INPUT 2+, 6 pin INPUT 2-, 7 pin OUTPUT 2; 8 pin OUTPUT 3,9 pin INPUT 3-, 10 pin INPUT 3+; 11 pin connection circuit ground (GND), that is: the negative poles of DC power supply; 12 pin INPUT 4+, 13 pin INPUT 4-, 14 pin OUTPUT 4; OUTPUT is the output of operational amplifier; INPUT+ is the positive input of operational amplifier; INPUT-is the reverse input end of operational amplifier.
Components and parts title and important technological parameters
| Element number haoHAO number | The components and parts title | Model or technical parameter | Quantity | Explanation | |
| IC1 | Operational amplifier | Dual-in-line, |
1 | Model: LM324 | |
| VT1 | The positive-negative-positive triode | 2SC9015 | 1 | Plastic packaging | |
| RP | | 62KΩ | 1 | ||
| RG | Photo resistance | MG45 | 1 | ||
| D1 | | 1N4148 | 1 | Be used for circuit | |
| R1 | Resistance | ||||
| 1/8W、 |
1 | Metalfilmresistor | |||
| | Resistance | 1/8W、1MΩ | 1 | Metalfilmresistor | |
| R3 | Resistance | 1/8W、1MΩ | 1 | Metalfilmresistor | |
| R4 | Resistance | 1/8W、18KΩ | 1 | Metalfilmresistor | |
| R5 | Resistance | 1/8W、3.3MΩ | 1 | Metalfilmresistor | |
| R6 | Resistance | 1/8W、3.9 |
1 | Metalfilmresistor | |
| R7 | Resistance | 1/8W、1.2 |
1 | Metalfilmresistor | |
| C1 | Electrochemical capacitor | 4700μF/ |
1 | Vertical | |
| J | Direct current relay | Coil resistance 800 Ω, |
1 | Use normally-closed contact |
Circuit production main points, circuit debugging and using method
1. fairly simple because of the circuit structure of light-controlled antitheft device, as long as the electronic devices and components performance of selecting for use generally speaking is intact, and the components and parts annexation in the accompanying drawing 1 is welded to specifications, after physical connection line and welding quality were correct through scrutiny, circuit of the present invention did not need to carry out any debugging substantially and gets final product operate as normal;
2. adjust the resistance of resistance R 1, can change the zero-time of electrical equipment work at night, adjust the length that linear potentiometer RP can change electrical equipment such as electric light the operating times in the evening; When linear potentiometer RP is transferred to maximum, worked approximately 6～7 hours, when linear potentiometer RP was transferred to minimum value, casual labourer was tens seconds as the time;
3. direct current relay J must use normally-closed contact, otherwise the course of work of electrical equipment such as electric light is opposite;
4. note: photo resistance RG will be mounted on outdoor by lead, in order to avoid light causes misoperation.
Claims (1)
1. light-controlled antitheft device, it comprises that 12V DC power supply, A1 voltage comparator circuit and photosensitive circuit, A4 voltage comparator circuit and reference voltage circuit, charge and discharge delay circuit, level amplify and control relay circuit, is characterized in that:
Described A1 voltage comparator circuit and photosensitive circuit are made up of operational amplifier IC1, resistance R 1, resistance R 2, resistance R 3 and photo resistance RG, the model that operational amplifier IC1 adopts is LM324, the end of the 2nd pin connecting resistance R1 of operational amplifier IC1 and an end of resistance R 2, the end of the 3rd pin connecting resistance R3 of operational amplifier IC1 and the end of photo resistance RG; The anodal VCC of the other end connection circuit of the other end of resistance R 1 and resistance R 3, the other end connection circuit ground GND of the other end of resistance R 2 and photo resistance RG, the 1st pin of operational amplifier IC1 connects level signal amplifying circuit and charge and discharge delay circuit;
Described A4 voltage comparator circuit and reference voltage circuit are made up of operational amplifier IC1, resistance R 4 and linear potentiometer RP, the 12nd pin of the termination operational amplifier IC1 of one end of resistance R 4 and linear potentiometer RP, the anodal VCC of the 4th pin connection circuit of the other end of resistance R 4 and operational amplifier IC1, the 11st pin connection circuit ground GND of the other end of linear potentiometer RP and movable end thereof and operational amplifier IC1, the 13rd pin of operational amplifier IC1 connects the charge and discharge delay circuit;
Described charge and discharge delay circuit is made up of resistance R 5 and electrochemical capacitor C1, the 1st pin of one termination operational amplifier IC1 of resistance R 5, the 13rd pin of another termination operational amplifier IC1 of resistance R 5 and the positive pole of electrochemical capacitor C1, the negative pole connection circuit ground GND of electrochemical capacitor C1;
The 1st pin of operational amplifier IC1 in described level signal amplification and the control relay circuit connects the base stage of positive-negative-positive triode VT1 by resistance R 6, the 14th pin of operational amplifier IC1 connects emitter and the end of direct current relay J and the positive pole of switching diode D1 of positive-negative-positive triode VT1 by resistance R 7, the anodal VCC of the negative pole connection circuit of the other end of direct current relay J and switching diode D1, the collector electrode utmost point connection circuit ground GND of positive-negative-positive triode VT1;
Described 12V dc power anode links to each other with circuit anode VCC, and the 12V dc power cathode links to each other with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100562201A CN103199839A (en) | 2013-02-22 | 2013-02-22 | Light-operated anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100562201A CN103199839A (en) | 2013-02-22 | 2013-02-22 | Light-operated anti-theft device |
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| Publication Number | Publication Date |
|---|---|
| CN103199839A true CN103199839A (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100562201A Pending CN103199839A (en) | 2013-02-22 | 2013-02-22 | Light-operated anti-theft device |
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| Country | Link |
|---|---|
| CN (1) | CN103199839A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410397A (en) * | 2014-12-24 | 2015-03-11 | 周云侠 | Low illumination controller |
| TWI665642B (en) * | 2017-05-03 | 2019-07-11 | 諧波創新科技股份有限公司 | Smart burglarproof light controller |
| CN114567954A (en) * | 2022-02-25 | 2022-05-31 | 上海麦索照明设计咨询有限公司 | Building lighting device and using method |
| CN115047779A (en) * | 2022-06-22 | 2022-09-13 | 肯特智能技术（深圳）股份有限公司 | Smart home implementation method, system and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080240739A1 (en) * | 2007-03-12 | 2008-10-02 | Keiji Tanaka | Differential circuit with precisely controlled terminator circuit |
| CN102098031A (en) * | 2010-11-23 | 2011-06-15 | 黄勇 | Ultra-long timing controller manufactured by time-base circuit |
| CN102706094A (en) * | 2012-06-28 | 2012-10-03 | 黄勇 | Refrigeration house temperature overrun reminding device |
| CN103199838A (en) * | 2013-02-16 | 2013-07-10 | 吴建堂 | Light dependent resistor manufacturing empty city strategy anti-theft device |
| CN203135833U (en) * | 2013-02-22 | 2013-08-14 | 刘德志 | Optical control anti-theft device |
-
2013
- 2013-02-22 CN CN2013100562201A patent/CN103199839A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080240739A1 (en) * | 2007-03-12 | 2008-10-02 | Keiji Tanaka | Differential circuit with precisely controlled terminator circuit |
| CN102098031A (en) * | 2010-11-23 | 2011-06-15 | 黄勇 | Ultra-long timing controller manufactured by time-base circuit |
| CN102706094A (en) * | 2012-06-28 | 2012-10-03 | 黄勇 | Refrigeration house temperature overrun reminding device |
| CN103199838A (en) * | 2013-02-16 | 2013-07-10 | 吴建堂 | Light dependent resistor manufacturing empty city strategy anti-theft device |
| CN203135833U (en) * | 2013-02-22 | 2013-08-14 | 刘德志 | Optical control anti-theft device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410397A (en) * | 2014-12-24 | 2015-03-11 | 周云侠 | Low illumination controller |
| TWI665642B (en) * | 2017-05-03 | 2019-07-11 | 諧波創新科技股份有限公司 | Smart burglarproof light controller |
| CN114567954A (en) * | 2022-02-25 | 2022-05-31 | 上海麦索照明设计咨询有限公司 | Building lighting device and using method |
| CN115047779A (en) * | 2022-06-22 | 2022-09-13 | 肯特智能技术（深圳）股份有限公司 | Smart home implementation method, system and storage medium |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |