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1. 发明授权

US09899174B2 Bipolar magnetic latching relay 有权
公开(公告)号：US09899174B2
公开(公告)日：2018-02-20
申请号：US15036665
申请日：2013-11-29
申请人： ZHEJIANG CHINT ELECTRICS CO., LTD.
发明人： Minghui Zhang , Zhenxiang Liu , Tifeng Xiao
IPC分类号： H01H51/22 , H01H50/58
CPC分类号： H01H51/2263 , H01H50/58
摘要： The bipolar magnetic latching relay comprises a coil assembly, a magnetic steel assembly that contains a permanent magnet and armatures, as well as two contact devices that are mounted at both sides of a base, wherein the magnetic steel assembly is pivotally connected with the base through a revolving pair, the magnetic steel assembly swings between two positions under the driving of an electric signal of the coil assembly and is retained in one swing position due to the permanent magnetic force of the magnetic steel assembly, and the swing synchronously drives the two contact devices to deflect, such that two pairs of first movable contacts and static contacts are subjected to closing/disconnecting fit. The magnetic steel assembly is provided with two driving heads that synchronously rotate along with the magnetic steel assembly and extend to the outside from the same direction. The relay further comprises two guide transmission parts that connect the two contact devices and the magnetic steel assembly, wherein a guide mechanism by which each guide transmission part moves along the swing direction of the free end of the movable flat spring is provided between the guide transmission part and the base, a driven end of the guide transmission part is connected with a driving head through a driving connection structure, and a driving end of the guide transmission part is coupled to the free end of the movable flat spring through an elastic transmission structure, such that the two guide transmission parts are the same in movement direction and simultaneously act.

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