Coiled high-voltage first-aid repair cable detection device

A technology of detection device and cable, applied in the direction of measurement device, high resistance measurement, measurement of electricity, etc., can solve problems such as delay time, and achieve the effect of achieving overall efficiency

Pending Publication Date: 2021-10-15
STATE GRID BEIJING ELECTRIC POWER +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 panel-mounted high-voltage emergency repair cable detection device to solve the problem in the prior art that the cable needs to be unrolled and then detected, which delays time

Method used

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  • Coiled high-voltage first-aid repair cable detection device
  • Coiled high-voltage first-aid repair cable detection device
  • Coiled high-voltage first-aid repair cable detection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0022] The embodiment of the present invention provides a reel-mounted high-voltage emergency repair cable detection device, which is used for the work before the reel-mounted cable test. The detection device is pre-installed before the cable reel. The process of stripping the cable head.

[0023] Such as figure 1 As shown, a coil-mounted high-voltage emergency repair cable detection device includes an insulating part 1 and a semi-conductive stress cone 2 integrally formed during processing. The semi-conductive stress cone 2 is nested inside the insulating part 1; the insulating part 1 is used to wrap the cable The insulating layer 3; the semi-conductive stress cone 2 is used to wrap the junction of the insulating layer 3 and the insulating shielding layer 5 of the cable. In this embodiment, the material of the insulating part 1 is insulating silicone rubber, and the material of the semiconductive stress cone 2 is semiconducting silicone rubber. The semi-conductive stress co...

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PUM

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Abstract

The invention discloses a coiled high-voltage first-aid repair cable detection device. The device comprises an insulating part and a semi-conductive stress cone; the semi-conductive stress cone is nested at the inner side of the insulating part; the insulating part is used for wrapping an insulating layer of the cable; and the semi-conductive stress cone is used for wrapping the joint of the insulating layer and the insulating shielding layer of the cable. The coiled cable can be detected through rapid and simple operation, the cable is detected in advance before the coiled cable is delivered out of a warehouse, the situation that defects existing in the cable is found only after the cable is laid is avoided, a large amount of precious time for removing the cable and placing a new cable is saved, power generation can be faster assisted, and the overall efficiency of a cable first-aid repair task is improved.

Description

technical field [0001] The invention belongs to the technical field of cable detection, and in particular relates to a panel-mounted high-voltage emergency repair cable detection device. Background technique [0002] In the process of distribution network construction, the commonly used cross-linked polyvinyl chloride ZCYJY22-8.7 / 15kV-3*300 cable costs about 650 yuan / m, which is expensive. The qualified cables that are transported often need to be recycled and coiled to form a coiled cable for later reuse in other repair tasks. [0003] According to the safety regulations, in order to ensure the reliability of the cables, each new power generation cable must be tested for insulation resistance, dielectric loss and OWTS partial discharge before power generation. According to the safety requirements of the cable test, the cables in the test need to be separated by at least 125mm between the three phases, and cannot be connected to any other electrical equipment. Therefore, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12G01R27/02
CPCG01R27/025G01R31/1272
Inventor 刘念徐艺航罗辉陈繁孙研哲杨康杨尔蔷乔玉超张晓晨秦庆雷
Owner STATE GRID BEIJING ELECTRIC POWER
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