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    • 2. 发明授权
    • Electromagnet device
    • 电磁铁装置
    • US09153403B2
    • 2015-10-06
    • US13953995
    • 2013-07-30
    • Omron Corporation
    • Toshifumi SuminoMasaaki YamamotoIchinori SakaiMitsuhiro KawaiShinichi Furusho
    • H01H67/02H01H50/36H01F7/08H01F7/122H01F7/14
    • H01H50/36H01F7/081H01F7/122H01F7/14
    • The present invention provides an electromagnet device including a horizontal portion of a yoke arranged near one end portion of an iron core, a movable iron piece which pivotably supported on a leading end edge portion of a vertical portion of the yoke which serves as a fulcrum, an end portion of the movable iron piece adapted to be attracted to a magnetic pole portion by a main magnetic circuit, the magnetic pole portion is arranged in the other end portion of the iron core. The main magnetic circuit is formed by applying a voltage to a coil wound around a periphery of the iron core and an auxiliary magnetic circuit formed in parallel with the main magnetic circuit, the auxiliary circuit including a permanent magnet is arranged near the one end portion of the iron core and a magnetic resistance portion, in which a magnetic flux of the permanent magnet is magnetically saturated.
    • 本发明提供一种电磁铁装置,其特征在于,包括:铁心的一端部附近设置的轭的水平部,可枢转地支撑在作为支点的轭的垂直部的前端缘部的可动铁片, 可动铁片的端部通过主磁路被吸引到磁极部,磁极部配置在铁芯的另一端部。 主磁路是通过向缠绕在铁芯周围的线圈施加电压而形成的,并且与主磁路并联形成的辅助磁路形成,包括永久磁铁的辅助电路设置在 铁芯和磁阻部分,其中永磁体的磁通量磁饱和。