a load switch

A load switch and component technology, applied in electrical switches, high-voltage/high-current switches, high-voltage air circuit breakers, etc., can solve the problems of limited arc-extinguishing capacity of load switches, low equipment accuracy, and limited service life, and achieve directional Accurate, uniform electric field distribution, and fast airflow

Active Publication Date: 2017-12-05
SHANGHAI ZHONGYA ELECTRIC CO LTD
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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 provide a load switch, which solves the problems of limited arc extinguishing ability, complex structure, limited service life, cumbersome assembly process, low equipment precision, and time-consuming and labor-intensive problems of the current load switch.

Method used

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] figure 1 , figure 2 and image 3 An embodiment of a load switch of the present invention is shown: a load switch, including a fixed plate 1, a modular frame 2, a movable electrode main shaft 4, a grounding electrode main shaft 26, a contact sleeve 9, and a movable electrode assembly 10. Movable electrode guide rod 8, ground electrode sleeve 25, ground electrode assembly 14, fixed terminal assembly 21 and ground electrode guide rod 13,

[0022] Wherein the modular frame 2 is mainly composed of a base plate and three side plates connected end to end, the fixed plate 1 is installed on the t...

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Abstract

The invention discloses a switchgear, in particular to a load switch, comprising a fixed plate (1), a modular frame (2), a movable electrode main shaft (4), a grounding electrode main shaft (26), a contact sleeve ( 9), movable electrode assembly (10), movable electrode guide rod (8), ground electrode sleeve (25), ground electrode assembly (14), fixed terminal assembly (21) and ground electrode guide rod (13), The invention has the functions of better stability, strong arc extinguishing ability, long service life, simple assembly and high precision, reliable and labor-saving, and can effectively carry out large-scale production.

Description

technical field [0001] The invention relates to a switchgear, in particular to a load switch. Background technique [0002] Gas insulated switchgear has been widely used in high and medium voltage transmission and distribution networks, which can effectively distribute electric energy and protect lines. The coincidence switch is one of the main components of the gas insulated switchgear. It is installed in the gas insulated switchgear in a fully enclosed manner, and is used to close the short circuit current and segmental compound current. It usually adopts metal deionization grid, compressed air structure and vacuum The arc extinguishing structure such as arc structure, vacuum type; the compressed air principle, the principle of high-speed airflow generated by compressed gas to cool and extinguish the arc, this structure has strong arc extinguishing ability, especially in the medium and high voltage fields. [0003] The existing compressed air load switch mainly has the fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/02H01H33/22
Inventor 胡大飞邓大彬徐宇强赵学华
Owner SHANGHAI ZHONGYA ELECTRIC CO LTD
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