Infrared anti-theft detection device
A detection device, infrared technology, applied in the direction of anti-theft alarms, instruments, alarms, etc., can solve problems such as increased cost, inconvenient installation and construction, and difficulty in daily maintenance.
Inactive Publication Date: 2016-07-27
CHENGDU RUIYI INFORMATION TECH
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Problems solved by technology
However, the traditional anti-theft detection system needs a signal line between each detector and the host to transmit the alarm signal of each detector. When the number of detectors is large, the number of signal lines connected to the host increases accordingly. , may be dozens or even hundreds, not only inconvenient for installation and construction, but also increases the cost and brings difficulties to daily maintenance
Method used
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Embodiment 1
[0032] Please refer to figure 1 , figure 2 as shown, figure 1 It is a schematic diagram of the circuit structure of the infrared anti-theft detection device provided by the embodiment of the present invention, figure 2 It is a schematic circuit diagram of an infrared anti-theft detection device provided by an embodiment of the present invention.
[0033] In this embodiment, the infrared anti-theft detection device includes a power supply 101, a sensing unit 102, an amplifying unit 103, a comparing unit 104, an inverting unit 105, a storage unit 106, a control gate unit 107, an oscillation unit 108, a counting unit 109, and a number of pulses. A setting unit 110 , a control unit 111 and an output unit 112 .
[0034] The power supply 101 is used to supply power to the entire infrared anti-theft detection device, specifically including: a transformer T1, a rectifier bridge VC1, a voltage regulator V1, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12,...
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The invention discloses an infrared anti-theft detection device which comprises a power source, a sensing unit, an amplification unit, a comparison unit, an antiphase unit, a storage unit, a control door unit, an oscillation unit, a counting unit, a pulse number setting unit, a control unit and an output unit.By means of the infrared anti-theft detection device, invasion can be detected timely and accurately, the invasion position can be positioned, the infrared anti-theft detection device has the advantages of being high in sensitivity and stable and reliable in work, meanwhile when the infrared anti-theft detection device is applied to an anti-theft detection system, the purpose that alarm signals of all detectors in the system are transmitted to a host through a public signal line can be achieved, the circuit structure is greatly simplified, and installation and maintenance workload is lowered.
Description
technical field [0001] The invention relates to the technical field of electronic circuits, in particular to an infrared anti-theft detection device. Background technique [0002] With the continuous improvement of living standards since China's reform and opening up, people's requirements for personal and property safety are also increasing. The anti-theft detection system is used more and more widely as an important facility to prevent accidents such as robbery and theft. The currently commonly used anti-theft detection system deploys several infrared anti-theft detection devices in the monitoring area, which can detect intrusions in the monitoring area, send an alarm to the host when an intrusion occurs, and lock the intrusion location. However, the traditional anti-theft detection system needs a signal line between each detector and the host to transmit the alarm signal of each detector. When the number of detectors is large, the number of signal lines connected to the h...
Claims
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IPC IPC(8): G08B13/191G08B25/04
CPCG08B13/191G08B25/04
Inventor 曾仰学
Owner CHENGDU RUIYI INFORMATION TECH