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Multi-chamber gap lightning arrester

A lightning arrester and multi-chamber technology, which is applied in the field of lightning arresters, can solve the problem that the main air gap is easy to shift, and achieve the effect of ensuring stability

Pending Publication Date: 2020-05-29
GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides a multi-chamber gap arrester, which is used to solve the problem that the main air gap of the existing multi-chamber gap arrester is prone to shift

Method used

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Embodiment Construction

[0056] The invention provides a multi-chamber gap lightning arrester, which is used to solve the problem that the main air gap of the existing multi-chamber gap lightning arrester is prone to deviation.

[0057] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "horizontal", "inner", "outer", etc. are based on the orientation or position shown in the drawings. The positional relationship is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a comparison of the embodiments of the present application. limit. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and c...

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Abstract

The invention belongs to the technical field of lightning arresters, and particularly relates to a multi-chamber gap lightning arrester. In the multi-cavity gap lightning arrester, an air gap formed between a first discharge ball and a second discharge ball is a main air gap; a fixed gap insulator and a low-voltage end of a multi-cavity gap lightning arrester body are fixed on a reference surfaceof a fixing piece; when the reference surface is a plane, the fixed gap insulator and the low-voltage end part of the multi-cavity gap lightning arrester body can be ensured to be on the same plane; and the fixed gap insulator and the multi-cavity gap lightning arrester body are connected into a whole body through a conductive supporting piece, a main air gap can be ensured not to deviate under action of an external force, and stability of the multi-cavity gap lightning arrester during lightning impulse action is ensured.

Description

Technical field [0001] The invention belongs to the technical field of lightning arresters, and particularly relates to a multi-chamber gap lightning arrester. Background technique [0002] At present, the multi-chamber gap type line arrester is widely used. It has the characteristics of simple production, large flow, no heat accumulation, maintenance-free and long service life. However, with the promotion and application of the arrester, it is found that the series main air The distance of the gap will be offset due to wind, wire movement and / or fatigue of the fixed parts. If the offset is too large, it will not be effective for lightning protection, and if the offset is too small, it may even cause line failure. [0003] In response to the above problems, some fixed gap multi-chamber series gap arresters have appeared on the market, but their focus is on the arc extinguishing chamber spacing, umbrella skirt spacing, umbrella skirt material or discharge gap distance, etc., and the...

Claims

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Application Information

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IPC IPC(8): H01B17/14H01B17/46H01B17/48H01T4/16
CPCH01B17/14H01B17/46H01B17/48H01T4/16
Inventor 徐齐胜杨毅胡康涛湛志钢
Owner GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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