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1. (WO2017173835) CIRCUIT BREAKER

Pub. No.:    WO/2017/173835    International Application No.:    PCT/CN2016/107847
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Thu Dec 01 00:59:59 CET 2016
IPC: H01H 33/02
Applicants: STATE GRID CORPORATION OF CHINA
国家电网公司
PINGGAO GROUP CO.,LTD.
平高集团有限公司
Inventors: ZHANG, Jingtao
张敬涛
HAN, Feng
韩峰
YAO, Yongqi
姚永其
YANG, Ke
杨珂
ZHANG, Mingshuai
张鸣帅
WANG, Pengchao
王鹏超
ZHU, Qiunan
朱秋楠
ZHANG, Junwei
张军伟
ZHENG, Guoshun
郑国顺
CHEN, Yueqing
陈月卿
ZHANG, Yongji
张永记
LIN, Jianlong
林建龙
WANG, Jiaxing
王家兴
Title: CIRCUIT BREAKER
Abstract:
A circuit breaker, comprising a supporting insulator (1), an optical fibre current transformer and at least one arc extinguishing chamber (2, 3), wherein a top portion of the supporting insulator (1) is provided with a supporting insulator upper flange (16); the optical fibre current transformer comprises an optical fibre current transformer coil (17), with the optical fibre current transformer coil (17) being sheathed outside the supporting insulator upper flange (16); and the supporting insulator upper flange (16) is a conductor electrically connected to a movable contact of the corresponding arc extinguishing chamber (2, 3), so that a current of the arc extinguishing chamber (2, 3) passes through an inner hole of the optical fibre current transformer coil (17).