Composite jacketed metal oxide arrester with filling structure and processing method thereof

A composite jacket and processing method technology, applied in resistors, resistor parts, overvoltage protection resistors, etc., can solve the problems of easy sealing and damping of arresters, and achieve increased sealing, normal line power supply, and convenient assembly. Effect

Active Publication Date: 2017-05-31
ZHEJIANG HENGDA ELECTRIC SCI & TECH
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  • Application Information

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Problems solved by technology

The manufacturing method of the core has many problems in terms of sealing and partial discharge, especially in terms of sealing pe

Method used

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  • Composite jacketed metal oxide arrester with filling structure and processing method thereof
  • Composite jacketed metal oxide arrester with filling structure and processing method thereof

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[0019] The present invention will be further explained below in conjunction with the drawings:

[0020] With reference to the drawings: the composite jacket metal oxide arrester with a filling structure in this embodiment includes electrodes 1 arranged at the left and right ends, and interlaced resistor plates 2 and spacer blocks 3 are installed between the electrodes 1. The electrode 1 , The resistance film 2 and the cushion block 3 are provided with a sealed waterproof sealant 4, and the waterproof sealant 4 is provided with a thermally conductive liquid potting compound 5, the thermally conductive liquid potting compound 5 is wrapped in the outer layer of the waterproof sealant 4, and the thermally conductive liquid is encapsulated A silicone sleeve 6 is installed outside the sealing compound 5. The outer side of the silicone sleeve 6 is provided with an annular convex edge 7 protruding outward. The annular flange 7 is inclined to the right.

[0021] The processing method of a...

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Abstract

The invention discloses a composite jacketed metal oxide arrester with a filling structure. The composite jacketed metal oxide arrester comprises electrodes arranged at left and right ends, wherein resistance chips and cushion blocks which are in staggered distribution are arranged between the electrodes, a sealed waterproof sealant is arranged outside the electrodes, the resistance chips and the cushion blocks, a heat conducting liquid pouring sealant is arranged outside the waterproof sealant, the heat conducting liquid pouring sealant is wrapped on the outer layer of the waterproof sealant, and a silicon rubber case is arranged outside the heat conducting liquid pouring sealant. The processing method of the arrester comprises the following steps: (1) coating the waterproof sealant on the electrodes, the resistance chips and the cushion blocks; (2) externally sleeving the silicon rubber case, erecting the silicon rubber case, and vertically fixing the silicon rubber case to the pouring sealant holder, and enabling the silicon rubber case to connect with a vacuum pump to extract the air in the silicon rubber case; and (3) ensuring that the lower end of the silicon rubber case is connected with a sealant storage bottle, extracting the heat conducting liquid sealant in the sealant storage bottle under the effect of the negative pressure in the silicon rubber case, and ensuring that the heat conducting liquid sealant is completely filled in the gap between the silicon rubber case and the waterproof sealant.

Description

technical field [0001] The invention relates to the technical field of lightning arresters, in particular to a composite sheathed metal oxide lightning arrester with a filled structure and a processing method thereof. Background technique [0002] At present, the composite metal oxide surge arresters produced in the same industry in China basically use the packaging method of the core. The insulating frame outside the core uses epoxy resin tubes, and the core group is assembled inside to form the core. The manufacturing method of the core has many problems in terms of sealing and partial discharge, especially in terms of sealing performance. The upper and lower ends of the epoxy resin tube are prone to sealing problems, which will cause the arrester to be damp. Contents of the invention [0003] The present invention aims to solve the problems existing in the above-mentioned prior art, and provides a composite sheathed metal oxide surge arrester with a filled structure and...

Claims

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Application Information

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IPC IPC(8): H01C1/024H01C7/12
CPCH01C1/024H01C7/12
Inventor 胡金兵胡建程陈景福李鸣胡建义余相明刘继英刘飞陈秋明刘澄泉胡志博陈煜刘文俊姚智强
Owner ZHEJIANG HENGDA ELECTRIC SCI & TECH
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