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Single-recoil counter-blowing arc extinguishing device

A fixing device and pipe flushing technology, applied in the electronic field, can solve the problems of insulators lack of rapid arc extinguishing ability, damage to insulator strings and fittings, flashover of line insulators, etc., so as to increase the fragility and shortness of arcs and reduce lightning strikes The effect of improving the current and protection degree

Pending Publication Date: 2021-10-01
南宁超伏电气科技有限公司
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a single recoil counter-blowing arc extinguishing device, which solves the disadvantages of lack of rapid arc extinguishing ability of existing insulators, easy flashover of line insulators, large power frequency freewheeling, and damage to insulator strings and fittings technical problem

Method used

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  • Single-recoil counter-blowing arc extinguishing device
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  • Single-recoil counter-blowing arc extinguishing device

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, preferred embodiments are given to further describe the present invention in detail. However, it should be noted that many of the details listed in the specification are only for readers to have a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention can be implemented even without these specific details.

[0030] A single recoil blowing arc extinguishing device, such as figure 1 As shown, it includes insulator string 1A, upper end fixing device 2A, lower end fixing device 3A, upper end recoil device 5A and lower end recoil device 6A, upper end fixing device 2A and lower end fixing device 3A are arranged in parallel at both ends of insulator string 1A, the upper end The recoil device 5A is set on the upper fixing device 2A, the lower recoil device 6A is set on the lower fixing device 3A, the upper recoil device 5A ...

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Abstract

The invention discloses a single-recoil counter-blowing arc extinguishing device, and belongs to the technical field of lightning protection and arc extinguishing. The device comprises an insulator string, an upper end fixing device, a lower end fixing device, an upper end recoil device and a lower end recoil device, and the upper end fixing device and the lower end fixing device are arranged at the two ends of the insulator string in parallel. According to the invention, the bidirectional dynamic insulation cooperation capability is realized, the insulation strength and the lightning resistance level of an original line are not reduced during normal work, the insulation cooperation distance of the recoil pipe is automatically reduced and the recoil pipe is preferentially broken down under a lightning stroke condition, the insulator flashover is avoided, and the double-recoil impact arc cutoff capability is realized; and the lightning stroke current intensity is reduced through the recoil effect, the ionization intensity of the impact arc is weakened, the vulnerability and the shortness of the arc are improved, and the cost performance of lightning protection is increased. The device can process in time before malignant mutation occurs so that the lightning arrester is prevented from being damaged by lightning stroke, the maintenance cost is reduced, and the line protection degree is improved.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a single recoil pair blown arc extinguishing device. Background technique [0002] Lightning disasters are one of the most serious meteorological disasters. UNESCO has listed lightning strikes as the third most destructive natural disaster in the natural world. It will endanger the lives of humans and animals and destroy various buildings. The security of the national economy and people's lives poses a serious threat. [0003] Lightning is extremely harmful to the safe operation of transmission lines, often causing insulator flashover accidents. The impact flashover caused by lightning strike on the transmission line will cause the flashover of the line insulators, and then generate a large power frequency continuous current, damage the insulator strings and fittings, and may lead to burnt insulator strings and overhead wire disconnection accidents in severe cases. Usually ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/48H01B17/46H01T1/08
CPCH01B17/48H01B17/46H01T1/08
Inventor 王巨丰王嬿蕾卢杨陈宇宁谭思源杨子童李庆一张镱义黄萍何琪文郭克竹闫仁宝
Owner 南宁超伏电气科技有限公司
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