Cable joint interface pressure measuring method

A technology of cable joints and measurement methods, applied in the direction of force/torque/power measuring instruments, measuring devices, instruments, etc., can solve problems such as inaccurate pressure measurement data, achieve small size, improve efficiency, emphasize adjustment ability and adaptability Effect

Inactive Publication Date: 2018-05-08
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention proposes a method for measuring cable joint interface pressure, aiming at solving the problem of inaccurate measurement data of existing cable joint interface pressure

Method used

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  • Cable joint interface pressure measuring method

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Embodiment Construction

[0021] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0022] see figure 1 , which is a schematic flow chart of a method for measuring the interface pressure of a cable joint provided by an embodiment of the pres...

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Abstract

The invention provides a cable joint interface pressure measuring method. The measuring method comprises: selecting corresponding cable simulation members and setting a plurality of pressure sensors at preset positions of the cable simulation members according to the specification and the material of to-be-measured cable joints; sleeving the selected simulation members by the to-be-measured cablejoints; and performing measurement of the interfacial pressure on the to-be-measured cable joints installed in a cable joint installation step, acquiring and recording interfacial pressure measuring values of the cable joints at intervals of a preset time period until a total preset frequency or a total preset time period is reached, and analyzing and obtaining interfacial pressure accurate valuesof the cable joints. According to the method, the pressure sensors are arranged on the cable simulation members for measurement of the interfacial pressure so that the problem of complex test of theinterfacial pressure test method of the cable joint through the real cable connection in the prior art is avoided, and the interfacial pressure of the cable joint can be accurately measured.

Description

technical field [0001] The invention relates to the technical field of cable joint pressure measurement, in particular to a method for measuring cable joint interface pressure. Background technique [0002] At present, power cables have been widely used in the distribution network of most cities in my country, and the intermediate joint of the cable can extend the length of the cable line, maintain the continuity and integrity of the cable, and play a key role in the distribution network cable line. effect. The intermediate joints of medium voltage distribution network cables can be divided into five types according to the production method: wrapping type, pouring type, heat shrinkable type, preset type and cold shrinkable type. Among them, the cold shrink joint has been widely used because of its small size and convenient installation. Nowadays, a large part of cable line faults occur at the intermediate joints, and the parameters such as the sealing performance and insula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/00
CPCG01L5/00
Inventor 王昱力夏荣欧阳本红李文杰刘松华张振鹏陈铮铮邓显波樊友兵赵鹏
Owner CHINA ELECTRIC POWER RES INST
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