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Vacuum arc-extinguishing chamber contact, vacuum arc-extinguishing chamber and vacuum circuit breaker

A vacuum interrupter and contact technology, which is applied to high-voltage air circuit breakers, circuits, high-voltage/high-current switches, etc., can solve the problem of unfavorable breaking of large currents in vacuum interrupters and easy ablation of contacts in vacuum interrupters and other problems, to achieve the effect of easy ablation, good support, and increased ring current

Active Publication Date: 2020-09-15
PINGGAO GRP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a vacuum interrupter contact to solve the problem that the vacuum interrupter contact is easily ablated in the prior art; the present invention is also to provide a vacuum interrupter to solve the current There is a problem that the vacuum interrupter is not conducive to breaking large currents; the purpose of the present invention is to provide a vacuum circuit breaker that solves the above problems

Method used

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  • Vacuum arc-extinguishing chamber contact, vacuum arc-extinguishing chamber and vacuum circuit breaker
  • Vacuum arc-extinguishing chamber contact, vacuum arc-extinguishing chamber and vacuum circuit breaker
  • Vacuum arc-extinguishing chamber contact, vacuum arc-extinguishing chamber and vacuum circuit breaker

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Embodiment Construction

[0037] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0038] A specific embodiment of the vacuum interrupter of the present invention, such as Figure 1 to Figure 4 As shown, the contacts of the vacuum interrupter in this embodiment are cup-shaped longitudinal magnetic contacts. The vacuum interrupter includes a moving contact and a static contact that cooperates with the moving contact. The structure of the moving contact and the static contact in this embodiment is the same. The following uses the moving contact as an example for illustration. The conductive rod 1, the movable conductive rod 1 includes a rod body 11 and a contact seat 12 with a hollow cavity, and the contact seat in this embodiment is a cup-shaped structure. The movable contact also includes a conductive sheet 4 and a contact sheet 5 fixed on the end surface of the contact seat 12, and the conductive sheet 4 is dish-shaped, and the dish ...

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Abstract

The invention relates to the field of high-voltage electric appliances, particularly to a vacuum arc-extinguishing chamber contact, a vacuum arc-extinguishing chamber and a vacuum circuit breaker. Thevacuum arc-extinguishing chamber contact comprises a conducting rod, a contact seat arranged on the conducting rod and provided with a hollow cavity, and a contact sheet fixed on the end surface of the contact seat, wherein a supporting body located between the bottom of the contact seat and the contact sheet and used for supporting the contact sheet is further arranged in the hollow cavity, andan insulating spacer is arranged on at least one side of the supporting body in the extending direction of the conducting rod. According to the invention, the problem that in the prior art, a vacuum arc-extinguishing chamber contact is prone to ablation is solved.

Description

technical field [0001] The invention relates to the field of high-voltage electrical appliances, in particular to a vacuum interrupter contact, a vacuum interrupter and a vacuum circuit breaker. Background technique [0002] The vacuum interrupter is the core component of the vacuum switch, and it is responsible for cutting off the arc. The control and extinguishment of the arc is closely related to the control of the magnetic field by the contacts of the vacuum interrupter. The current magnetic field control technologies mainly include longitudinal magnetic structure and transverse magnetic structure. magnetic structure. [0003] The vacuum interrupter of longitudinal magnetic structure is mainly cup-shaped longitudinal magnetic contact and coil type longitudinal magnetic contact. discrete state. The Chinese utility model patent with authorized notification number CN2752943Y discloses a high-voltage vacuum interrupter longitudinal magnetic field contact, including conduct...

Claims

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Application Information

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IPC IPC(8): H01H33/664
CPCH01H33/664
Inventor 朱志豪费翔袁端磊王海燕马明乐祁海洋沙云鹏卢留洋耿晓璐
Owner PINGGAO GRP
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