METHOD FOR ADJUSTING TRIP SENSITIVITY OF THERMAL OVERLOAD PROTECTION APPARATUS
    2.
    发明申请
    METHOD FOR ADJUSTING TRIP SENSITIVITY OF THERMAL OVERLOAD PROTECTION APPARATUS 有权
    用于调节热过载保护装置的跳闸灵敏度的方法

    公开(公告)号:US20090040005A1

    公开(公告)日:2009-02-12

    申请号:US12178141

    申请日:2008-07-23

    申请人: Ki-Bong SONG

    发明人: Ki-Bong SONG

    IPC分类号: H01H71/16

    摘要: A method for adjusting a trip sensitivity in a thermal overload protection apparatus so as to effectively set and adjust a trip operation current, comprising: setting an adjusting reference point; measuring a normal position of bimetals; measuring a moving distance at a time of trip operation of a trip latch mechanism; deciding an assembling position of a shifter mechanism based on the measured moving distance at the time of trip operation of the trip latch mechanism, information on a trip distance between a pre-determined shifter mechanism and the trip latch mechanism and information on a size of the shifter mechanism; conducting a predetermined over current to the thermal overload protection apparatus; measuring a conducting time of the overcurrent until a trip occurrence; calculating a difference between the conducting time measured in the measuring step and a predetermined trip time by converting a rotation angle; and marking a graduation of a set trip operation current by the rotation angle calculated in the calculating step.

    摘要翻译: 一种用于调节热过载保护装置中的跳闸灵敏度以便有效地设置和调整跳闸操作电流的方法,包括:设置调整参考点; 测量双金属的正常位置; 测量跳闸闩锁机构跳闸操作时的移动距离; 基于在跳闸闩锁机构的跳闸操作时的测量的移动距离来确定换档机构的组装位置,关于预定的换档器机构和跳闸闩锁机构之间的跳闸距离的信息以及关于 移位机制 对热过载保护装置进行预定的过电流; 测量过电流的导通时间,直到发生跳闸; 通过转换旋转角度来计算在测量步骤中测量的导通时间与预定跳闸时间之间的差; 并将所设定的跳闸动作电流的刻度标记在计算步骤中计算出的旋转角度。