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    • 5. 发明公开
    • 회로차단기 원격조작장치용 리니어 액추에이터
    • 用于断路器的线性执行器远程操作装置
    • KR1020080039311A
    • 2008-05-07
    • KR1020070109790
    • 2007-10-30
    • 후지 덴키 기기세이교 가부시끼가이샤
    • 스즈키,켄지
    • H01H73/02H01H71/68H01H9/56H01F7/16
    • H01H71/68H02K41/03
    • A linear actuator for a remote circuit breaker operation device is provided to perform a stable operation and a manipulation function by securing regular electronic thrust in an overall cycle of a switching operation of a handle of a circuit breaker. A linear actuator for a remote circuit breaker operation device(2) includes a first permanent magnet type linear pulse motor, a second permanent magnet type linear pulse motor, and an actuator member. The first permanent magnet type linear pulse motor includes a first mover and a first stator. The actuator member is coupled to the first mover and a second mover. The first and second permanent type linear pulse motors include a field magnet part(15) and a coil part(18). The field magnet part includes a plurality of permanent magnets(14) arranged in a row so that adjacent magnets have different polarities. The coil part includes a third leg type magnetic yoke and actuation coils(17a,17b,17c) wound on the third leg type magnetic yoke(16). A pitch(B) between a length(A) of one permanent magnet and a leg of the third leg type magnetic yoke is set to satisfy a relation of (3/3 x A)
    • 提供一种用于远程断路器操作装置的线性致动器,以通过在断路器的手柄的开关操作的整个循环中确保正常的电子推力来执行稳定的操作和操作功能。 用于远程断路器操作装置(2)的线性致动器包括第一永久磁体型线性脉冲电动机,第二永久磁体型线性脉冲电动机和致动器构件。 第一永久磁铁式线性脉冲电动机包括第一移动件和第一定子。 致动器构件联接到第一移动器和第二移动器。 第一和第二永久型线性脉冲电动机包括场磁体部分(15)和线圈部分(18)。 场磁体部分包括排列成一行的多个永磁体(14),使得相邻的磁体具有不同的极性。 线圈部分包括缠绕在第三腿型磁轭(16)上的第三腿型磁轭和致动线圈(17a,17b,17c)。 一个永磁体的长度(A)与第三腿型磁轭的腿之间的间距(B)设定为满足(3/3×A)<= B <=(5/3×A )。