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1. CN214542079 - Electric leakage protection device of 2P2 modulus electromagnetic type electric leakage protection circuit breaker

Office
China
Application Number 202120662133.0
Application Date 31.03.2021
Publication Number 214542079
Publication Date 29.10.2021
Publication Kind U
IPC
H01H 71/00
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
71Details of the protective switches or relays covered by groups H01H73/-H01H83/115
H01H 71/02
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
71Details of the protective switches or relays covered by groups H01H73/-H01H83/115
02Housings; Casings; Bases; Mountings
H01H 71/10
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
71Details of the protective switches or relays covered by groups H01H73/-H01H83/115
10Operating or release mechanisms
CPC
H01H 83/144
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
83Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
14operated by unbalance of two or more currents or voltages, e.g. for differential protection
144with differential transformer
H01H 2083/045
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
83Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
02operated by earth fault currents
04with testing means for indicating the ability of the switch or relay to function properly
045Auxiliary switch opening testing circuit in synchronism with the main circuit
Applicants ETMAN ELECTRIC (CHANGZHOU) CO., LTD.
英特曼电工(常州)有限公司
Inventors LIU FENG
刘锋
Agents 温州瓯越专利代理有限公司 33211
Title
(EN) Electric leakage protection device of 2P2 modulus electromagnetic type electric leakage protection circuit breaker
(ZH) 一种2P2模数电磁式漏电保护断路器的漏电保护装置
Abstract
(EN) The utility model relates to a leakage protection device of a 2P2 modulus electromagnetic leakage protection circuit breaker, which comprises a shell, a leakage tripping action mechanism and a test loop mechanism, and is characterized in that the test loop mechanism comprises a conductive test torsion spring, a hinged linkage shaft and a test button, one end of the conductive test torsion spring is connected with the test button in an abutting manner, and the other end of the conductive test torsion spring is connected with the hinged linkage shaft. One end of the conductive test torsion spring is embedded in the shell, the shell is provided with a linkage hole in the direction of a moving contact of the circuit breaker, the other end of the conductive test torsion spring is embedded in the linkage hole, and the shell is provided with a test resistor. Compared with a test loop module in the prior art, the test loop module is simple in structure, few in parts, capable of saving installation space and cost, convenient to assemble integrally and capable of bringing convenience to operation of workers.
(ZH) 本实用新型涉及一种2P2模数电磁式漏电保护断路器的漏电保护装置,包括壳体、漏电脱扣动作机构、试验回路机构,其特征在于,所述试验回路机构包括导电试验扭簧、铰接联动轴、试验按钮,所述导电试验扭簧一端与试验按钮抵触连接,所述壳体位于断路器动触头方向设有联动孔,所述导电试验扭簧另一端嵌合于联动孔处,所述壳体设有试验电阻,本实用新型的有益效果为:提供一种2P2模数电磁式漏电保护断路器的漏电保护装置,改善试验回路的结构,相比较现有技术中的试验回路模块,结构简单,零部件稀少,节省安装空间,节约成本,方便整体装配,为工人的操作带来便利。
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