Method for Detecting Aging of Cable Insulator

A technology for detecting cables and insulators, applied in the direction of testing dielectric strength, etc., can solve the problems of complex aging detection of cable insulators, and achieve the effects of fast finding damaged points, intuitive data, and simple operation

Inactive Publication Date: 2017-03-29
南宁市第一中学
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for detecting the aging of cable insulators, thereby overcoming the more complicated shortcomings of existing cable insulator aging detection

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  • Method for Detecting Aging of Cable Insulator

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Embodiment Construction

[0014] The specific embodiments of the present invention will be described in detail below in conjunction with the table, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0015] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0016] The method for detecting the aging of a cable insulator according to a specific embodiment of the present invention includes:

[0017] 1) Select a certain amount of conductive glue; the conductive glue is any existing conductive glue. For convenience, liquid conductive glue is selected, and the amount of conductive glue can be selected according to the needs of the coated cable insulator area. Quantity is mass or volume. According...

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Abstract

The invention discloses a method for detecting aging of a cable insulator. The method includes the steps of firstly, selecting a certain amount of electric conduction glue; secondly, evenly coating the surface of the cable insulator with the electric conduction glue in the first step, and measuring the first resistance of the electric conduction glue; thirdly, measuring the second resistance of the electric conduction glue with which the surface of the cable insulator is evenly coated in the second step after the preset time, comparing the second resistance with the first resistance, determining that aging has happened to the cable insulator if changes happen, and determining that aging has not happened to the cable insulator if changes do not happen. According to the method, resistance measurement can be conducted on the electric conduction glue only through the ohm gear of a universal meter or an ohm gauge, whether aging happens to the cable insulator or not can be known after measurement, data are visual, damaged points can be rapidly found, operation is easy, and cost is low.

Description

technical field [0001] The invention relates to the field of cable insulator aging detection, in particular to a method for detecting cable insulator aging. Background technique [0002] In order to avoid vicious accidents caused by the poor insulation performance of the cable insulation layer, many methods for testing the insulation performance of the insulation layer have been developed for a long time, and these methods are mainly divided into two categories: [0003] The first type is the laboratory aging prediction method. This method is to simulate the use environment of the cable in the laboratory to observe the aging process of the insulating layer, so as to obtain the data of the physical tensile properties and chemical composition changes of the insulating layer, and calculate the insulating layer. The simulated data of the safe service life is used as a basis to predict the actual service life of the cable insulation layer. This method is affected by the experimen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/12
Inventor 姚磊鑫韦祖煌
Owner 南宁市第一中学
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