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Non-injection clamping-type cable anti-theft and alarming mechanism

An anti-theft alarm and snap-in technology, which is applied in the direction of electric alarms, etc., can solve the problems of remote alarm and real-time monitoring of cables that cannot be operated, and achieve the effect of convenient on-site installation, on-site maintenance, and convenient maintenance

Active Publication Date: 2013-06-12
XIAN QINLI SET OF ELECTRIC EQUIP
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Problems solved by technology

[0007] The invention provides a non-injection clamping type cable anti-theft alarm mechanism, which mainly solves the problem that the existing cable anti-theft alarm mechanism cannot perform real-time monitoring and remote alarm on the running cable

Method used

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  • Non-injection clamping-type cable anti-theft and alarming mechanism
  • Non-injection clamping-type cable anti-theft and alarming mechanism

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specific Embodiment

[0025] Such as figure 1 As shown, the signal processing device is a microprocessor, which controls the detection signal generating device to output a special detection signal, and the special detection signal is applied to the transmitting clamp after passing through the transmission power amplification device, and the transmitting clamp couples the special detection signal to the detected power cable. In the high-frequency signal transmission channel formed between the shielding layer and the ground.

[0026] The receiving clamp receives the coupling signal in the high-frequency signal transmission channel formed between the shielding layer of the power cable and the ground, and then the received signal is filtered by the receiving signal filtering device to filter out interference clutter, and the useful receiving signal is amplified through the receiving signal The device is adjusted to the effective measurement range of the A / D conversion circuit, and the received signal i...

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Abstract

The invention provides a non-injection clamping-type cable anti-theft and alarming mechanism which mainly solves the problems that an existing cable anti-theft and alarming mechanism cannot monitor operating cables in real time and cannot conduct remote alarming. The non-injection clamping-type cable anti-theft and alarming mechanism comprises a signal processing device, an alarming device, an emission device and a receiving device, wherein the emission device and the receiving device are respectively connected with a cable shielding layer. A non-injection clamping-type mode is adopted to connect detect signals to the power cable, an original installation mode with a power cable shielding layer grounded is not changed, and extra safety factors are not caused for operation of the power cable. The mechanism can detect whether the power cable is charged or not, the monitoring of charged cables and monitoring of outage cables is combined into a whole, and on-site installation is convenient greatly.

Description

technical field [0001] The invention relates to a cable anti-theft alarm mechanism, in particular to a non-injection clamping type cable anti-theft alarm mechanism, which is mainly used for indiscriminate real-time anti-theft monitoring of running cables, power-off cables and spare cables. Background technique [0002] In recent years, with the rapid development of urban construction and the rising prices of non-ferrous metals, power transmission and transformation network power cables have been stolen or damaged to varying degrees in many areas, seriously affecting industrial and agricultural production and people's normal life , causing serious economic losses to the country and enterprises. [0003] In response to this situation, various types of low-voltage lighting cable alarm systems, overhead cable anti-theft alarm systems, and power failure power cable anti-theft alarm systems have emerged in China, but there are very few anti-theft alarm products for medium-voltage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B13/22
Inventor 杨刚武何健
Owner XIAN QINLI SET OF ELECTRIC EQUIP
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