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Anti-theft alarm system for ground lead of feeder cable

An anti-theft alarm and power transmission cable technology, which is applied in the field of power transmission and distribution, can solve the problem of ground wire theft monitoring and other issues, and achieve the effect of less false alarms

Pending Publication Date: 2018-01-02
国网江西省电力有限公司南昌供电分公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a kind of anti-theft alarm device for the grounding wire of the power transmission cable, to solve the problem of monitoring the main grounding wire of the cable line being stolen and cut, and to ensure the healthy and stable operation of the cable

Method used

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  • Anti-theft alarm system for ground lead of feeder cable
  • Anti-theft alarm system for ground lead of feeder cable
  • Anti-theft alarm system for ground lead of feeder cable

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] Such as figure 1 As shown, a power transmission cable ground wire anti-theft alarm device includes a power supply unit 100, a switch value acquisition unit 200, a logic comparison operation unit 300, a relay output unit 400, a sound alarm unit 500, a wireless transmission unit 600, and the input of the power supply unit 100 connected to the CT induction power-taking device, and the output terminal of the power supply unit 100 supplies power to the switching value acquisition unit 200, the logical comparison operation unit 300, the relay output unit 400, the sound alarm unit 500, and the wireless transmitting unit 600, and the switching value acquisition unit 200 collects power. The data is sent to the logic comparison operation unit 300 , and the logic comparison operation unit 300 controls the relay output unit 400 , the sound alarm unit 500 , and the...

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Abstract

The invention discloses an anti-theft alarm system for a ground lead of a feeder cable. The device comprises a power supply unit, a switching value collecting unit, a logic comparison operating unit,a relay output unit, a sound alarm unit and a wireless emitting unit, wherein the input end of the power supply unit is connected to a CT inductive taking device, the output end of the power supply unit supplies power to the switching value collecting unit, the logical comparison operating unit, the relay output unit, the sound alarm unit and the wireless emitting unit, and the switching value collecting unit transmits the collected data to the logic comparison operating unit, and the logic comparison operating unit controls the relay output unit, the sound alarm unit and the wireless emittingunit. The system disclosed by the invention solves the problem of monitoring of a stolen primary ground lead of a cable line, and healthy and stable operation of the cable is guaranteed.

Description

technical field [0001] The invention relates to an anti-theft alarm device for a ground wire of a power transmission cable, which belongs to the technical field of power transmission and distribution. Background technique [0002] The metal sheath of 110kV and above single-core cables generally adopts the operation mode of cross-connected double-end grounding or single-end direct grounding. Under normal circumstances, the metal sheath has only tens of volts of induced voltage to the ground. Once the cable grounding system is damaged, the grounding cable is stolen, etc., the voltage of the metal sheath will change from the power frequency induced voltage during normal operation to the suspension voltage. When the floating voltage on the cable metal sheath will rise above the allowable value of the power frequency withstand voltage of the cable outer sheath, if it cannot be detected in time in this case, the outer sheath will be broken down or the sheath protector will be bur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B13/12
Inventor 刘梦飞张慧胡裕峰王彬李方根陈化舒富根朱亮段鑫杨琴段国泉刘永鑫熊瑞辉陈盼庆黄巍
Owner 国网江西省电力有限公司南昌供电分公司
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