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Cable intermediate connector

A technology for cable intermediate joints and cables, which is applied in the direction of cable joints, etc., can solve the problem that partial discharge signals are difficult to be collected, and achieve the effect of improving the collection effect

Active Publication Date: 2021-12-21
SHENZHEN POWER SUPPLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a cable intermediate joint for the problem that the partial discharge signal inside the cable intermediate joint is difficult to be collected.

Method used

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Embodiment Construction

[0059] In order to make the purpose, technical solution and advantages of the present application clearer, the cable intermediate joint of the present application will be further described in detail through the following embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0060] The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "connection" mentioned in this application all include direct and indirect connection (connection) unless otherwise specified. In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional re...

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PUM

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Abstract

The present application relates to a cable intermediate joint, including: a sealing tube, a connecting tube, a cable, at least two shielding components and a collecting tube. In the embodiment of the present application, a sealing tube is provided, and the sealing tube seals the connecting tube and the cable in the accommodation cavity. The sealing tube is also provided with a collecting tube. When partial discharge occurs between the connecting tube and the cable, the generated partial discharge signal is concentrated in the containing cavity, and the collecting tube is connected with the containing cavity. cavities connected. Therefore, when it is necessary to collect or monitor the partial discharge signal of the intermediate joint of the cable, it is only necessary to connect the external collection or monitoring device to the free end of the collecting pipe. The embodiment of the present application solves the technical problem that the partial discharge signal inside the cable intermediate joint is difficult to be collected in the prior art, and achieves the technical effect of improving the collection effect of the partial discharge signal inside the cable intermediate joint.

Description

technical field [0001] The present application relates to the technical field of electrical equipment, in particular to a cable intermediate joint. Background technique [0002] With the development of the economy, the cable rate of the urban distribution network is getting higher and higher, and the cable intermediate joints are widely used. Among them, the cable intermediate joint has been widely used in the distribution network because of its convenient installation, good insulation performance, high temperature resistance and acid and alkali performance. [0003] However, the following cable intermediate joint failure problem is also emerging, which seriously threatens the safety and stable operation of the power grid, and sometimes even causes the feeder to trip. The cable structure is simple and the carrying capacity is large, but due to the uneven construction level and installation quality of different manufacturers, some cables are relatively rough in operation and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G15/18
CPCH02G15/18
Inventor 赵法强汪建波陈加文袁汉凯
Owner SHENZHEN POWER SUPPLY BUREAU