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Multi-gap air arc extinguishing device

An air arc extinguishing and multi-gap technology, which is applied in the direction of spark gaps, electrical components, spark gap parts, etc., can solve the problems of damaging economic effects and limited loss of ammunition, so as to reduce the tripping rate of lightning strikes, improve capabilities, and increase total The effect of length

Pending Publication Date: 2019-05-28
WENZHOU ELECTRIC POWER DESIGN +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device has the problem of limited loss of ammunition, and the update of the charge requires disassembly and assembly of the entire device, which is detrimental to the economic effect

Method used

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  • Multi-gap air arc extinguishing device
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  • Multi-gap air arc extinguishing device

Examples

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the embodiments given in the accompanying drawings.

[0022] refer to Figure 1-5 As shown, a multi-gap air arc extinguishing device in this embodiment includes an insulator 1, an insulating column 2 for installing with the insulator 1, and a spiral-like thin tube 3 arranged on the outer wall of the insulating column 2; the insulating column The shaft center of 2 is provided with a connecting hole 4, the insulating column 2 is installed with the insulator 1 through the connecting hole 4, and a plurality of air gaps are arranged on the similar spiral narrow tube 3; the similar spiral thin tube 3 is separated by air gaps A plurality of arc-like thin tubes 5 are formed, and the heads and tails of the plurality of arc-like thin tubes 5 correspond to form a similar helical shape.

[0023] Through the above technical solution, when the lightning strikes the transmission line and discharges, r...

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Abstract

The invention discloses a multi-gap air arc extinguishing device which comprises an insulator, an insulating column used for being installed with the insulator and a spiral-like thin pipe arranged onthe outer side wall of the insulating column. The axis of the insulating column is provided with a connecting hole, the insulating column is installed with the insulator through the connecting hole, and the spiral-like thin pipe is provided with a plurality of air gaps. The spiral-like thin pipe is divided into a plurality of arc-like thin pipes by the air gaps, and the arc-like thin pipes are inend-to-end correspondence to form a spiral-like shape. According to the invention, explosive arc extinguishing can be avoided, so that a safety problem is avoided. Meanwhile, capital expenditure generated when explosives are replaced can be avoided.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a multi-gap air arc extinguishing device. Background technique [0002] According to the operation of the line in the past few decades, the relatively passive traditional lightning protection methods such as line arresters, installation of insulators and lightning protection lines, and reduction of impact grounding resistance have not fundamentally solved lightning strike accidents. In recent years, scholars at home and abroad have conducted active research on new lightning protection measures: "drainage type" lightning protection parallel gap is a lightning protection measure that relies on insulation coordination to evacuate short-circuit current. This technology can prevent insulators from being burned with a high probability damage, while also avoiding permanent failure. However, this kind of gap can only passively wait for the arc to extinguish itself, causing the g...

Claims

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Application Information

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IPC IPC(8): H01T1/10H01T4/08H01T4/10H01B17/46
Inventor 徐励徐向东陈哲季克朗陈征远张志军池超凡郑存波刘畅徐旭东钱成雷黄志清冯伟陈长龙林振练王谦周吉尚
Owner WENZHOU ELECTRIC POWER DESIGN
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