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An anti-theft alarm system based on photoelectric sensor technology

An anti-theft alarm and photoelectric sensing technology, applied in anti-theft alarms, alarms, instruments, etc., can solve the problems of poor safety performance and narrow application range, and achieve the effect of improving safety performance, low cost and improving sensitivity

Inactive Publication Date: 2017-04-26
驻马店摩米创新工场电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of narrow application range and poor safety performance of the current anti-theft alarm system, and provide an anti-theft alarm system based on photoelectric sensing technology

Method used

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  • An anti-theft alarm system based on photoelectric sensor technology

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Experimental program
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Embodiment

[0018] Such as figure 1 As shown, the present invention consists of a transmitting circuit 1, a receiving circuit 2, an amplifying circuit 3 connected with the receiving circuit 2, a trigger circuit 4 connected with the amplifying circuit 3, and an alarm circuit 5 connected with the trigger circuit 4.

[0019] Among them, the transmitting circuit 1 is composed of an oscillator chip U and a triode VT1. One end is connected to the RE pin and the VCC pin of the oscillator chip U at the same time, and the other end is connected to the base of the triode VT1 after passing through the resistor R2 and the capacitor C1 in sequence. Resistor R1, the P pole is connected to the emitter of the triode VT1, and the N pole is composed of a diode D1 connected to the OUT pin of the oscillation chip U after passing through the capacitor C2 and the light-emitting diode D2 in sequence; the collector of the triode VT1 is grounded , the DIS pin of the oscillator chip U is connected to the connectio...

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PUM

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Abstract

The invention discloses an anti-theft alarm system based on a photoelectric sensing technology. The anti-theft alarm system based on the photoelectric sensing technology is characterized by comprising a radiating circuit (1), a receiving circuit (2), an amplifying circuit (3) which is connected with the receiving circuit (2), a trigger circuit (4) which is connected with the amplifying circuit (3), and an alarm circuit (5) which is connected with the trigger circuit (4). According to the anti-theft alarm system based on the photoelectric sensing technology, the alarm system is controlled through the photoelectric sensing technology, and the safety performance of the alarm system is improved; meanwhile, the trigger circuit adopts an LM387 integrated circuit as a trigger chip, and the sensitivity of the alarm system can be improved.

Description

technical field [0001] The invention relates to an alarm system, in particular to an anti-theft alarm system based on photoelectric sensing technology. Background technique [0002] At present, the application of the alarm system is very extensive. In the car anti-theft, the warehouse gate, and the home security system, the alarm system is almost used without exception. With the rapid development of social science and technology, people put forward higher and higher requirements for the performance of the alarm system. The traditional alarm system usually adopts touch type, switch type and so on. This type of alarm system has the characteristics of stable performance and strong practicability, but it also has the defects of narrow application range and poor safety performance. How to solve above-mentioned defective is then the problem that people face. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of narrow applicatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B13/181
CPCG08B13/181
Inventor 刘霖刘永杨先明张晓奕
Owner 驻马店摩米创新工场电子科技有限公司