Lightning arrester core body and lightning arrester

A lightning arrester and core technology, applied in the direction of resistors, resistor parts, other resistor networks, etc., can solve the problems of low reliability, separation lag, slow heat transfer, etc., to ensure the safety of the power grid, reliable separation, prevent explosion effect

Pending Publication Date: 2018-08-21
广东安迪普科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the detachment device is usually connected in series outside the arrester body. This solution has poor heat transfer effect and slow heat transfer, which makes the detachment lag and low reliability; Make it difficult to disengage between the disengagement device and the arrester

Method used

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  • Lightning arrester core body and lightning arrester
  • Lightning arrester core body and lightning arrester
  • Lightning arrester core body and lightning arrester

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Embodiment Construction

[0025] The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only a part of the embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without paying creative efforts are all Belong to the protection scope of the present invention. In addition, all the connection / connection relationships involved in the patent do not simply refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The orientation descriptions of up, down, left, right, etc. involved in the present invention are...

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PUM

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Abstract

The invention relates to the technical field of power equipment and provides a lightning arrester core body and a lightning arrester. When the gap between a resistor sheet and the inner wall of an insulating cylinder enables the valve plate part inside or all the part to be damaged by strong thunder shock on the lightning arrester or other reasons, or flashover occurs at the gap between the resistor sheet and the insulating cylinder, high-pressure gas is generated between the resistor sheet and the insulating cylinder, so that an electrode is pushed, a disconnected thread on the insulating cylinder is broken by shear stress, the electrode is separated reliably and a grounding bolt falls off; the disconnected thread of the insulating cylinder can guarantee that the electrode is mounted stably, also can reduce the resistance when the electrode is separated, contributes to reliable separation, guarantees the safety of a power grid and avoids explosion caused by damage to the lightning arrester or failure that a power system is permanently grounded.

Description

technical field [0001] The invention relates to the technical field of electric equipment, in particular to a lightning arrester core body and a lightning arrester. Background technique [0002] Surge arrester is a component used to protect various electrical equipment in the power system from being damaged by lightning overvoltage, operating overvoltage, and voltage shock. It is suitable for transformers, transmission lines, switch cabinets, power metering boxes, rotating electrodes and semiconductor devices. Waiting for overvoltage protection can protect the power system from instantaneous overvoltage hazards, and can cut off freewheeling to avoid system grounding short circuit. The arrester is usually equipped with an explosion-proof disconnecting device, so that the arrester does not work when the arrester passes through a normal lightning current or an operating overvoltage, and when the arrester is aging and damaged or is struck by a strong lightning and causes part or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01C7/12H01C1/026H01C1/16
CPCH01C7/126H01C1/026H01C1/16
Inventor 赵雪峰向军
Owner 广东安迪普科技有限公司
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