High-voltage external series gap anti-thunder combination device

A combined device and gap technology, which is applied in the direction of overvoltage arresters, spark gaps, spark gap components, etc., can solve the problems of unfixed gap distance, high line tripping rate, inability to cut off freewheeling, etc., and achieve the goal of using Long life, flexible disassembly and assembly, reliable and stable protection performance

Active Publication Date: 2017-06-13
SHENZHEN SEP INVESTMENT
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The lightning arrester is used alone, and the service life is short;
[0005] 2. If the gap is used alone, the freewheeling flow cannot be cut off, and the tripping rate of the line is high;
[0006] 3. The arrester is matched with the gap, the gap distance is not fixed, and the discharge is unstable;
[0007] 4. Integrated molding device, the lightning arrester needs to be replaced as a whole during transformation, which is uneconomical and inflexible

Method used

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Embodiment Construction

[0044] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0045] Please refer to the attached Figure 1-2 , a high-voltage external series gap lightning protection combination device of the present invention, the lightning protection combination device includes two parts, respectively a discharge gap assembly placed on the upper part, and a zinc oxide valve plate assembly placed on the lower part;

[0046] The discharge gap assembly is connected to the zinc oxide valve assembly through studs;

[0047] The discharge gap assembly includes an arc starting electrode assembly, an upper silica gel insulating sleeve 11, and a first metal electrode 13, a glass fiber rod 12, and a second metal electrode 10 arran...

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Abstract

The invention discloses a high-voltage external series gap anti-thunder combination device. The anti-thunder combination device comprises two parts of a discharge gap component arranged at the upper portion and a zinc oxide valve plate component arranged at the lower portion, and the discharge gap component is connected to the zinc oxide valve plate component through a stud; the high-voltage external series gap anti-thunder combination device prevents a 10 kV high-voltage wire from being damaged by thunder, improves convenience of construction and installation and stability of equipment operation, and improves the equipment operation parameter; horizontal discharging is maintain in a gap, and line short circuit caused by rainwater or freezing during together vertical discharging; a quality stainless steel metal electrode is adopted to replace a traditional aluminum electrode to enhance firing-resistance capability, and the service life is prolonged; a new technology is adopted to manufacture a zinc oxide valve plate so that the conduction capacity can be big.

Description

technical field [0001] The invention relates to the technical field of electric equipment, in particular to a high-voltage external series gap lightning protection combination device. Background technique [0002] The function of the lightning arrester is to protect various electrical equipment in the low-voltage power distribution system from being damaged by lightning overvoltage, operating overvoltage, and power frequency transient overvoltage. [0003] Existing lightning protection devices have the following deficiencies: [0004] 1. The lightning arrester is used alone, and the service life is short; [0005] 2. If the gap is used alone, the freewheeling flow cannot be cut off, and the tripping rate of the line is high; [0006] 3. The arrester is matched with the gap, the gap distance is not fixed, and the discharge is unstable; [0007] 4. Integrated molding device, the lightning arrester needs to be replaced as a whole during transformation, which is uneconomical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01T4/02H01T4/16H01T1/02
CPCH01T1/02H01T4/02H01T4/16
Inventor 刘炜陈永忠史兴坤
Owner SHENZHEN SEP INVESTMENT
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