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    SWITCHING APPARATUS
    13.
    发明公开
    SWITCHING APPARATUS 审中-公开
    SCHALTVORRICHTUNG

    公开(公告)号：EP2662877A4

    公开(公告)日：2014-12-17

    申请号：EP11854626

    申请日：2011-08-26

    申请人： MITSUBISHI ELECTRIC CORP

    发明人： NAKADA KATSUSHI ,  HORINOUCHI KATSUHIKO

    IPC分类号： H01H33/06 ,  H01H9/44 ,  H01H33/12 ,  H01H33/18 ,  H01H33/65 ,  H01H33/70 ,  H01H33/90 ,  H01H33/91

    CPC分类号： H01H33/62 ,  H01H33/12 ,  H01H33/182 ,  H01H33/703 ,  H01H33/7046 ,  H01H33/91 ,  H01H2033/906

    摘要： A switchgear according to the present invention includes a fixed contactor provided in a tank filled with insulating gas, and a movable contactor provided in the tank, the movable contactor being connected to and disconnected from the fixed contactor so as to move forward and backward. The switchgear includes an arc extinction member including a surrounding portion which is slidably connected to the outer circumferential surface of the movable contactor halfway in a movement range from a closed contact state to an open contact state and is formed so as to surround an arc space portion in a sealed manner, the surrounding portion being formed with a through hole through which the arc space communicates with the outside of the arc space.

    摘要翻译： 根据本发明的开关装置包括设置在填充有绝缘气体的罐中的固定接触器和设置在罐中的可动接触器，活动接触器连接到固定接触器并从固定接触器断开以便前后移动。 开关装置包括：消弧构件，其包括在从闭合接触状态到开放接触状态的移动范围内可动接触器的外周面可滑动地连接的环绕部，并且形成为包围电弧空间部 以密封的方式，周围部分形成有通孔，弧形空间通过该通孔与电弧空间的外部连通。