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    • 4. 发明授权
    • Operating apparatus for switching device
    • 开关装置的操作装置
    • US06373675B1
    • 2002-04-16
    • US09482640
    • 2000-01-13
    • Toshiharu YamazakiKimiya SatoMitsutaka HommaYoshinobu IshikawaMakoto Taniguchi
    • Toshiharu YamazakiKimiya SatoMitsutaka HommaYoshinobu IshikawaMakoto Taniguchi
    • H02H308
    • H01H33/6662H01H53/015
    • In a closing magnetic circuit, when a movable contact is in contact with a fixed contact and a switching device is closed, N and S poles of a permanent magnet attract the fixed member in a direction in which the movable contact is pressed against the fixed contact. In an opening magnetic circuit, when the movable contact is separated from the fixed contact and the switching device is open, one of the N and S poles of the permanent magnet attracts the fixed member in a direction in which the movable contact is separated from the fixed contact. An operating electromagnet winding increases and decreases the magnetism in the closing magnetic circuit and opening magnetic circuit. With this configuration, it is possible to realize an operating apparatus for a switching device using a simple mechanism and assure a stable operation by producing a great contact load.
    • 在闭合磁路中,当可动触头与固定触点接触并且开关装置闭合时,永磁体的N极和S极沿着可动触头压靠固定触点的方向吸引固定部件 。 在开放磁路中,当可动触点与固定触点分离并且开关装置断开时,永磁体的N极和S极之一吸引固定部件沿着可动触点与该固定部件分离的方向 固定联系人 操作电磁铁绕组增加和减少闭合磁路和打开磁路中的磁性。 利用这种结构,可以使用简单的机构实现开关装置的操作装置,并且通过产生很大的接触负载来确保稳定的操作。