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Continuously Adjustable Universal Parallel Gap Lightning Protection Device

A lightning protection device and general-purpose technology, which is applied in the installation of spark gap overvoltage arresters, spark gaps, cables, etc., can solve the problems of inconvenient installation, uneconomical, time-consuming, etc. Versatile effect

Active Publication Date: 2017-05-03
重庆西鹏电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing parallel gap lightning protection devices usually include ground-side electrodes, wire-side electrodes and installation parts, wherein the ground-side electrodes and wire-side electrodes are fixed at both ends of the insulator string, and the electrodes on both sides need to be distinguished during installation. Single, it is easy to be confused during construction and installation, and it is not easy to install; at the same time, if you need to replace other types of insulators, you must replace the corresponding installation parts, which is time-consuming, cumbersome and uneconomical; and the overall structure is bulky, takes up space, and is not easy to store , packaging and transportation

Method used

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  • Continuously Adjustable Universal Parallel Gap Lightning Protection Device
  • Continuously Adjustable Universal Parallel Gap Lightning Protection Device
  • Continuously Adjustable Universal Parallel Gap Lightning Protection Device

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Such as figure 1 , 5 , 6, the positioning hole 6 of the present embodiment is an arc-shaped hole arranged along the width direction of the fan-shaped connecting portion 4, and the arc of the arc-shaped hole is equal to the arc of the arc-shaped side of the fan-shaped connecting portion 4, increasing the adjustable area, so as to improve the adjustable range of the parallel gap and cover the entire surface. The second fastener 14 can slide along the bending direction of the arc-shaped hole, so that the second fastener 14 can be positioned in the positioning hole with the rotation of the first connecting plate 9 6, and after the first connecting plate 9 rotates to a position that meets the requirements, the first connecting plate 9 can be positioned by the second fastener 14 to realize the adjustment of the parallel gap (see figure 1 , 5 , 6, of which figure 1 In order to adopt the use state of 7 pieces of insulators, Figure 5 In order to use 8 to 10 pieces of insula...

Embodiment 2

[0037] Such as Figure 7 to Figure 9 As shown, the positioning holes 6 in this embodiment are divided into two groups, and the two groups of positioning holes 6 are arranged side by side along the length direction of the fan-shaped connecting part 4, wherein there are at least three positioning holes 6 located on the outside, and one set of positioning holes 6 located on the inside There are at least two sets of positioning holes 6, and each set of positioning holes 6 is distributed in a fan-shaped interval along the width direction of the fan-shaped connecting portion 4. In this embodiment, the set of positioning holes 6 located on the outside is three, and the set of positioning holes located on the inside is three. There are two positioning holes 6, the angle β between the extension lines of two adjacent positioning holes passing through the center of the circle in the outer set of positioning holes is 13°, and the adjacent two positioning holes in the inner set of positioni...

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Abstract

The invention discloses a continuous adjustable universal lightning protection apparatus equipped with parallel gaps. The lightning protection apparatus comprises adjustable electrode assemblies arranged at two ends of an insulator chain, wherein each adjustable assembly comprises a cross arm detachably connected with the end part of the insulator chain, and connecting pieces and electrodes symmetrically arranged at the two ends of the cross bar; a fan-shaped connecting part is arranged at each of the two ends of each cross bar separately; one end of each connecting piece is rotationally connected with the corresponding fan-shaped connecting part; a first connecting hole for being connected with the corresponding connecting piece and a positioning hole for positioning the corresponding connecting piece are formed in each fan-shaped connecting part; and an electrode is fixed at the other end of each connecting piece separately. The lightning protection apparatus is high in universality, and applicable to insulator chains of different models; the electrodes on the two sides are not required to be distinguished in construction and installation; the lightning protection apparatus is convenient to construct and install, and is firm and steady after installation; the usage requirements of different insulator models can be satisfied by adjusting the parallel gaps; and in addition, the lightning protection apparatus is time-saving, convenient, economical, small in volume, and convenient to storage, pack and convey.

Description

technical field [0001] The invention relates to a lightning protection device for a high-voltage transmission line, in particular to a continuously adjustable general-purpose parallel gap lightning protection device. Background technique [0002] Lightning protection of high-voltage transmission lines has always been a very important link in the safe operation and maintenance of the power sector, and lightning tripping faults are also a problem that plagues the safe power supply of power grids around the world. The impact flashover caused by lightning strike on the high-voltage transmission line leads to the flashover of the line insulator, and then produces a large power frequency continuous current, which often damages the insulator string and fittings, resulting in frequent line disconnection accidents. The "blocking" lightning protection methods currently used (such as erecting lightning protection lines, reducing the grounding resistance of towers, strengthening insulat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01T4/10H01T4/02H02G13/00
CPCH01T4/02H01T4/10H02G13/00
Inventor 黄西军米建平雷昆明陈建秋蔡姣张金开
Owner 重庆西鹏电力科技有限公司
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