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Lightning arrester with adjustable discharge gap

A technology of discharge gap and lightning arrester, applied in the field of lightning arrester, can solve the problem of unadjustable discharge gap, and achieve the effect of good arc extinguishing effect, changing breakdown voltage and good lightning protection effect.

Active Publication Date: 2021-06-08
浙江中仪电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of fixed and non-adjustable discharge gap in the prior art and propose a lightning arrester with adjustable discharge gap

Method used

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  • Lightning arrester with adjustable discharge gap
  • Lightning arrester with adjustable discharge gap

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment one, such as Figure 1-8As shown, a lightning arrester with adjustable discharge gap includes a vertically arranged insulating plate 1, one side of the insulating plate 1 is fixedly connected with an insulator 2, the insulator 2 is arranged horizontally, and a first connecting rod 3 is arranged horizontally above the insulator 2 One end of the first connecting rod 3 close to the insulator 2 is fixedly connected with a vertically arranged second connecting rod 4, the upper surface of the insulator 2 is provided with a connecting groove 5, the bottom end of the second connecting rod 4 is inserted into the connecting groove 5, and the connecting groove 5 A connection mechanism 6 is provided inside, the first auxiliary electrode plate 7 is fixedly connected to the end of the first connecting rod 3 away from the insulator 2, the first auxiliary electrode plate 7 is fixedly connected to a connecting wire 8, and the first auxiliary electrode plate 7 is far away from ...

Embodiment 2

[0034] Embodiment two, such as Figure 4 , 8 As shown, the connection mechanism 6 includes a groove 22 arranged in the connecting groove 5, the groove 22 is arranged horizontally, and a sliding piece 23 is slidably connected in the groove 22, and the sliding piece 23 is connected to the groove 22 by the second spring 24 arranged horizontally. The inner wall is fixedly connected, and the end of the sliding piece 23 facing the outside of the groove 22 is fixedly connected with a clamping block 25 , the side of the bottom end of the second connecting rod 4 is provided with a clamping groove 26 that fits with the clamping block 25 , and the clamping block 25 is far away from the inner side of the groove 22 One end is hemispherical, the slot 26 is a hemispherical shape matching the block 25, the inner port of the groove 22 is fixedly connected with a limit ring 27, and the limit ring 27 is sleeved on the block 25 and slidably connected with it, The assembly of the second connectin...

Embodiment 3

[0035] Embodiment three, such as Figure 4 , 8 As shown, the bottom end of the second connecting rod 4 is in an inverted conical shape, and the bottom end of the connecting groove 5 is located in the inverted conical shape that matches the second connecting rod 4, so that the second connecting rod 4 can push the block 25 back to the groove 22 Inside, the connection between the second connecting rod 4 and the connecting groove 5 is more convenient.

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Abstract

The invention discloses a lightning arrester with an adjustable discharge gap. The lightning arrester comprises a vertically arranged insulating plate, wherein one surface of the insulating plate is fixedly connected with an insulator, the insulator is horizontally arranged, a first connecting rod is horizontally arranged above the insulator, the end, close to the insulator, of the first connecting rod is fixedly connected with a vertically-arranged second connecting rod, a connecting groove is formed in the upper surface of the insulator, the bottom end of the second connecting rod is inserted into the connecting groove, a connecting mechanism is arranged in the connecting groove, the end, away from the insulator, of the first connecting rod is fixedly connected with a first auxiliary electrode plate, and the first auxiliary electrode plate is fixedly connected with a connecting wire. According to the lightning arrester, the size-adjustable first discharge gap is formed and is set to be an angle-shaped gap, so that the lightning protection effect of the device is better, meanwhile, a good arc extinguishing effect can be achieved, and the second discharge gap is arranged, so that the safety performance of the device is further optimized, and the device is simple and practical.

Description

technical field [0001] The invention relates to the technical field of lightning arresters, in particular to a lightning arrester with adjustable discharge gap. Background technique [0002] The discharge gap, also known as the protection gap, is generally composed of two metal rods exposed to the air separated by a certain gap, one of which is connected to the power phase line L1 or neutral line (N) of the required protection equipment, and the other A metal rod is connected to the ground wire (PE). When the instantaneous overvoltage strikes, the gap is broken down, and a part of the overvoltage charge is introduced into the ground, which avoids the voltage rise on the protected equipment. This discharge gap The distance between the two metal rods can be adjusted as needed, and the structure is relatively simple. Its disadvantage is that the arc extinguishing performance is poor. The improved discharge gap is an angular gap, and its arc extinguishing function is better than...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01T4/16
CPCH01T4/16
Inventor 吴焕
Owner 浙江中仪电力科技有限公司
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