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Speical sensing cable alarming method and device for perimeter guard

A perimeter defense and alarm device technology, which is applied in anti-theft alarm mechanical activation, alarms that rely on broken/disturbed straightened ropes/metal wires, etc., can solve the problem of lack of linkage alarm function, demanding installation environment, maintenance High operating costs and other issues, to achieve the effect of good reliability, high sensitivity and reasonable structure

Inactive Publication Date: 2006-08-23
邓剑平 +1
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AI Technical Summary

Problems solved by technology

[0002] At present, the high-voltage power grid used for perimeter protection has many defects such as poor safety, strict requirements on the installation environment, high maintenance and operation costs, and lack of linkage alarm function. Therefore, the society urgently needs a perimeter protection alarm that is more advanced than the high-voltage power grid. technology

Method used

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  • Speical sensing cable alarming method and device for perimeter guard
  • Speical sensing cable alarming method and device for perimeter guard
  • Speical sensing cable alarming method and device for perimeter guard

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing and concrete example for further description:

[0026] Such as Figure 8 As shown, the sensing cable alarm method for perimeter protection in the present invention is to use a special sensing cable remote connection to a special adapter terminal for impedance matching. The intrusive stress change signal is sent to the band-pass shaping filter amplifier circuit. The signals amplified by digital-analog hybrid filtering and wave shaping are sent to the intrusion pattern recognition circuit, and analyzed and compared with various preset intrusion characteristic patterns, and at the same time, the interference factors such as wind disturbance in the natural environment are screened; the effective intrusion The action signal is sent to the alarm signal linkage control circuit, and the control circuit realizes the linkage with the safety protection equipment, and the bus system data transmission with the monitoring center. The pe...

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Abstract

In order to provide alarming technique of sensing cable to replace high voltage protection electrical grid, following measures are utilized: signal of stress variation is collected by using double cords sensing cable 2 having shielding layer with impedance adaptive terminal being remote connected; signal processing is carried out by band pass amplification circuit 3 with reshaping and filtering functions and circuit 4 for recognizing mode of invasion. Alarming is through the coordinated control circuit for alarming signals, and protection circuit 6 for guarding against demolition is utilized. The method possesses advantages of high sensitivity, and interference immunity, as well as features of reasonable structure, easy of installation, and coordinated alarming for following actions of invader: climbing, treading, cutting, pulling, tearing down and striking.

Description

technical field [0001] The invention relates to a perimeter guarding alarm technology, in particular to a perimeter guarding special sensing cable alarming method and a device thereof. Background technique [0002] At present, the high-voltage power grid used for perimeter protection has many defects such as poor safety, strict requirements on the installation environment, high maintenance and operation costs, and lack of linkage alarm function. Therefore, the society urgently needs a perimeter protection alarm that is more advanced than the high-voltage power grid. technology. Contents of the invention [0003] The purpose of the present invention is to meet the above needs of the society and provide a sensing cable alarm method for perimeter protection with high sensitivity and strong anti-interference. The present invention also relates to a device for implementing the method. [0004] In order to achieve the above object, the sensing cable alarm method for perimeter p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B13/02G08B13/12
Inventor 邓剑平张尊海
Owner 邓剑平
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