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Anti-explosion fire-proof protection box for cable joint

A technology of cable joints and protective boxes, which is applied in the direction of cable joints, etc., can solve the problems of poor explosion-proof and fire-proof effects of protective boxes, and achieve the effects of improving fire-proof and explosion-proof effects, high thermal shock resistance coefficient, and high ductility

Pending Publication Date: 2019-05-21
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention proposes an explosion-proof and fire-proof protection box for cable joints, aiming to solve the problem of poor explosion-proof and fire-proof effects of existing protection boxes

Method used

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  • Anti-explosion fire-proof protection box for cable joint
  • Anti-explosion fire-proof protection box for cable joint
  • Anti-explosion fire-proof protection box for cable joint

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Embodiment Construction

[0023] 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.

[0024] see Figure 1 to Figure 3 , which shows a preferred structure of the cable joint explosion-proof and fireproof protection box provided by the embodime...

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Abstract

The invention provides an anti-explosion fire-proof protection box for a cable joint. The protection box comprises an upper arc-shaped casing pipe and a lower arc-shaped casing pipe, wherein the upperarc-shaped casing pipe and the lower arc-shaped casing pipe are oppositely arranged and are connected for forming a box body; a channel is arranged between the upper arc-shaped casing pipe and the lower arc-shaped casing pipe for placing the cable joint; and the inner wall of the upper arc-shaped casing pipe and the inner wall of the lower arc-shaped casing pipe are independently coated with a high-temperature-resistant layer. By use of the protection box, the upper arc-shaped casing pipe and the lower arc-shaped casing pipe are oppositely arranged and are connected for forming the box body,in addition, the channel is arranged between the upper arc-shaped casing pipe and the lower arc-shaped casing pipe for placing the cable joint so as to protect the cable joint, the inner wall of the upper arc-shaped casing pipe and the inner wall of the lower arc-shaped casing pipe are independently coated with the high-temperature-resistant layer, the anti-explosion fire-proof effect of the protection box is improved through the high heat conduction coefficient, the high heat transfer performance, the high ductility and the high thermal shock resistant coefficient of the protection box, and therefore, fire hazard accidents due to cable circuit faults can be avoided.

Description

technical field [0001] The invention relates to the technical field of power transmission and transformation equipment, in particular to an explosion-proof and fireproof protection box for cable joints. Background technique [0002] The high-voltage cable line is composed of cable body, intermediate connector, terminal and other cable accessories. The cable joint is the weakest link in the cable line. In addition to the external factor of external force damage in the cable line, the accident rate due to poor manufacturing quality, improper material selection or incorrect installation process of the joint accessories is as high as 60%~ 80%. [0003] The high temperature and instantaneous release pressure generated by the explosion of the cable joint are enough to blow up or burn other parallel cables in the cable trench in some cases, and even overturn the manhole cover, destroy the trench and cause harm to pedestrians, especially after the explosion of the cable joint Fire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/18
Inventor 邓显波朱淳王立壮应辉丁亮欧阳本红范东春
Owner CHINA ELECTRIC POWER RES INST
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