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Movable cable fault tracing device

A fault finding and moving cable technology, applied in the fault location and other directions, can solve the problem of moving the cable to find the breaking point, etc., and achieve the effects of simple structure, long service life and easy operation.

Active Publication Date: 2013-04-10
STATE GRID SICHUAN ELECTRIC POWER COMPANY NEIJIANG POWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a mobile cable fault finder to solve the problem that the existing mobile cable fault cannot quickly find the breaking point without destroying the plastic or rubber shielding layer

Method used

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] A mobile cable fault finder comprising:

[0025] signal probe;

[0026] power EC;

[0027] A composite power amplifier circuit composed of transistor BG1 and transistor BG2;

[0028] A voltage amplifying circuit composed of an integrated operational amplifier IC1;

[0029] A feedback circuit composed of feedback resistor R3, feedback resistor R4 and feedback resistor R5;

[0030] A voltage regulating circuit composed of potentiometer W1, transistor BG3 and voltage dividing resistor R6;

[0031] An alarm circuit composed of a luminescent tube Fg1 and an integrated block IC2 connected wit...

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Abstract

The invention relates to the field of cable fault detection, in particular to a movable cable fault tracing device. The movable cable fault tracing device comprises a signal probe, earth current EC, a compound power amplification circuit, a voltage amplification circuit, a feedback circuit, a voltage regulator circuit and an alarm circuit. The movable cable fault tracing device has the advantages of finding breakage fault points because of frequent buckling and crimping in a movable cable quickly and effectively, protecting the whole movable cable well, and prolonging service life of the movable cable, and the breakage fault points do not need to be found by splitting the movable cable section by section. In addition, the movable cable fault tracing device has the advantages of being simple in structure, easy to operate, extremely safe, and suitable for wide application.

Description

technical field [0001] The invention relates to the field of cable fault detection, in particular to a mobile cable fault finder. Background technique [0002] In the work of electric power test, maintenance, lighting, agricultural power water pump, etc., due to the variation and change of the environment and site, it is necessary to move the construction. In this way, the required cables of tens or hundreds of meters must also be moved. In the process of shrinking and shrinking, the cables are frequently bent and curled, and the number of times of bending and curling is too many or excessive, which often causes the line to break and fail to work. However, the results obtained by testing with tools such as test pens and multimeters It's just that the power is interrupted, the transmission is not in place, and these inspections can only be carried out from the terminal interface or exposed places, and the middle is mostly plastic or rubber shielding, so it is impossible to de...

Claims

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Application Information

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IPC IPC(8): G01R31/08
Inventor 钟声马瑞贺春林
Owner STATE GRID SICHUAN ELECTRIC POWER COMPANY NEIJIANG POWER SUPPLY
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