Vacuum circuit breaker

Vacuum circuit breaker

The invention relates to a vacuum circuit breaker which comprises a vacuum arc-extinguishing chamber, a moving contact and a static contact of the vacuum arc-extinguishing chamber are arranged front and back, the rear end of the moving contact is connected with an over-travel buffer device used for...

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Hauptverfasser: LIU QING, TAN SHENGWU, HE CHUANGWEI, HU JINXI, CHAI ZIYUAN, LI PEIYI, BI YINGHUA, YANG FAN, LI YILIN, MA CHAOYANG, LI XIAO, SUN GUANGLEI, LI YONGLIN, WANG JUN, LI XUXU, ZHANG HANG, WU XIANGJIE, GONG BINGZHENG, LIU WENKUI
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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creator LIU QING
TAN SHENGWU
HE CHUANGWEI
HU JINXI
CHAI ZIYUAN
LI PEIYI
BI YINGHUA
YANG FAN
LI YILIN
MA CHAOYANG
LI XIAO
SUN GUANGLEI
LI YONGLIN
WANG JUN
LI XUXU
ZHANG HANG
WU XIANGJIE
GONG BINGZHENG
LIU WENKUI
description The invention relates to a vacuum circuit breaker which comprises a vacuum arc-extinguishing chamber, a moving contact and a static contact of the vacuum arc-extinguishing chamber are arranged front and back, the rear end of the moving contact is connected with an over-travel buffer device used for driving the moving contact to act, the over-travel buffer device comprises a contact spring supporting cylinder, a contact spring and a contact spring pressing rod, and the contact spring pressing rod extends into the contact spring supporting cylinder; when the vacuum arc-extinguishing chamber is closed, the contact spring pressing rod applies an acting force to the moving contact by compressing the contact spring. The contact spring pressing rod and the contact spring supporting cylinder are matched in a front-back stopping mode, so that when the vacuum arc-extinguishing chamber is opened, the contact spring pressing rod drives the contact spring supporting cylinder to move backwards, and then the moving contact
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language chi ; eng
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title Vacuum circuit breaker
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