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Patent Searching and Data


Title:
DIRECT-CURRENT CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2022/062213
Kind Code:
A1
Abstract:
A direct-current circuit breaker. The direct-current circuit breaker comprises a circuit breaker main body (100) provided with a power input terminal (110); a switching assembly (200) provided with a fixed contact (210), wherein the fixed contact (210) is connected to the power input terminal (110) by means of a connecting wire (300), and the connecting wire (300) is provided with a short-circuited coil (310); and a circuit control board (500), wherein the circuit control board (500) is electrically connected to two ends of the short-circuited coil (310), and is used for collecting a voltage signal on the short-circuited coil (310) and converting the voltage signal into a current detection signal.

Inventors:
WEI SHOUXUN (CN)
LIU KUI (CN)
JIANG DONGRI (CN)
LIU NIAN (CN)
Application Number:
PCT/CN2020/138108
Publication Date:
March 31, 2022
Filing Date:
December 21, 2020
Export Citation:
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Assignee:
SHENZHEN MANTUNSCI SCIENCE AND TECH CO LTD (CN)
International Classes:
G01K13/00; H01H71/04; G01R31/327
Foreign References:
CN112038184A2020-12-04
CN210296268U2020-04-10
CN206961761U2018-02-02
CN209843646U2019-12-24
CN101221218A2008-07-16
KR20110007315U2011-07-21
Attorney, Agent or Firm:
SHENZHEN CENFO INNOVATIVE INTELLECTUAL PROPERTY CO., LTD. (CN)
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