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Cable connection structure and connection method convenient to check

A technology of cable connection and joint connection, which is applied in the cable connection structure and connection field that is easy to detect, and can solve problems such as difficult joints, cable main insulation damage, heat generation, etc., and achieve the effect of increasing the contact area and facilitating insertion

Active Publication Date: 2019-03-15
DONGYANG GUANGMING ELECTRIC POWER CONSTR +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems existing in the existing cable connection methods that it is difficult to detect defects such as heat generation and water seepage at the joints in time, thereby causing damage to the main insulation of the cable, and to provide a cable connection structure and connection method that are easy to detect, which is convenient Line inspectors can detect defects such as heating and water seepage at the cable joints in time, so as to maintain the problematic cable joints in time to avoid damage to the cable protective layer and protective sleeve

Method used

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  • Cable connection structure and connection method convenient to check
  • Cable connection structure and connection method convenient to check
  • Cable connection structure and connection method convenient to check

Examples

Experimental program
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Effect test

Embodiment 1

[0052] Example 1: as figure 1 , figure 2 As shown, a cable connection structure that is convenient for detection is suitable for the butt joint of two high-voltage cables. The outer layer of the cable 1 has an outer sheath 11, and there are three cable core wires 12 inside. The outer side of 121 is wrapped with insulating layer 122 . Specifically, it includes a connecting joint 2 connected between the corresponding conductive core wires of the two cables, an outer protective layer 3 covering the outer layer of the butt joint of the two cables, and the connecting joint is made of copper, which includes a middle cylindrical conductive body. 21 and the crimping joints 22 at both ends, the conductive core wires corresponding to the two cables to be connected are respectively crimped with the crimping joints at the corresponding ends of the connecting joints, that is to say, there are three connecting joints between the two cables, which are respectively For connecting the three...

Embodiment 2

[0058] Embodiment 2: a cable connection method for easy detection, comprising the following steps:

[0059] a. Set the connection ends of the two cables 1 to be connected on a movable bracket, respectively. At this time, the outer sheath 11 can be circumferentially cut at the positions near the ends of the two cables to form a circumferential slit. The outer jacket is then longitudinally cut from the circumferential slit to the end of the cable to form a slit, the slit is then torn at the end of the cable, and the outer jacket is peeled from the circumferential slit to the end, thereby At the end of the cable, a section of steel armor 13 that is spirally wound inside is exposed;

[0060] b. Use a hacksaw to cut a circular saw seam on the exposed steel armor near the circumcised outer sheath, and then use pliers to tear off the steel armor at the annular saw seam, and then the cable can be cut The end helically wound steel armor is stripped off to expose the inner sheath 14 of...

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Abstract

The invention discloses a cable connection structure and connection method convenient to check. According to the connection method, a shielding protection layer such as an external sheath of a cable is stripped, conductive core lines corresponding to two cables and a crimping head of a connection head form crimping, a temperature and humidity measurement device is arranged at an abutting position,the shielding protection layer wraps the abutting position the temperature and humidity measurement device at the abutting position form continuous power supply by a self-induction power taking unit,a temperature and humidity signal of the cable abutting position is output in a wireless mode, and a handheld data display device is used for wirelessly receiving the temperature and humidity signaland displaying a corresponding humidity value and a temperature value. By the cable connection structure and connection method, a circuit inspector is convenient to timely find out defects such as heat generation and water seepage of the cable abutting position, so that the cable abutting position with a problem is timely maintained, and damage to the cable protection layer and the protection sheath is prevented.

Description

technical field [0001] The invention relates to the technical field of high-voltage transmission lines, and in particular, to a cable connection structure and a connection method that are convenient for detection. Background technique [0002] The electricity generated by the power plant needs to be transmitted by high-voltage transmission lines. The high-voltage transmission lines are divided into cable transmission lines and overhead transmission lines. The cable transmission lines are buried underground, so they do not occupy space and will not be affected by typhoons, ice and snow. The advantages of the influence of weather, etc., are becoming more and more popular in the transmission lines of the city. Due to the limited length of the cables from the cable factory, in the transmission line, the cables at both ends need to be connected by connecting joints. [0003] In the connection structure of the prior art, the outer sheath, inner sheath and other outer layers at th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/18H02G1/14G01D21/02
CPCG01D21/02H02G1/14H02G15/18
Inventor 卢海权马志进陈朝晖贾海源周立伟
Owner DONGYANG GUANGMING ELECTRIC POWER CONSTR