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    • 10. 发明专利
    • Interlock device of drawer-type circuit breaker, drawer-type circuit breaker, and distribution board
    • 抽屉式断路器,抽屉式断路器和分配板的互锁装置
    • JP2012191685A
    • 2012-10-04
    • JP2011050897
    • 2011-03-09
    • Hitachi Ltd株式会社日立製作所
    • KOBAYASHI MASAHITOSUZUKI SANETOSHIMORITA AYUMI
    • H02B11/133H01H33/46H02B1/36H02B11/24
    • H02B11/133H01H9/10H01H9/26H01H71/505H01H71/52H02B11/26
    • PROBLEM TO BE SOLVED: To provide an interlock device satisfying that a drawer-type circuit breaker is surely fixed at an operation position or a disconnection position, the breaker is inevitably in an off state when moved from or to the operation position, and it is always in the off state when disposed in a position other than the operation position and the disconnection position.SOLUTION: An interlock device includes a tripping button connected to a trapping mechanism part of a drawer-type circuit breaker and an interlock rod disposed to be freely movable up and down. As long as the drawer-type circuit breaker is not brought into an off state by operating the trapping button, an elevation operation of the interlock rod is mechanically blocked by the trapping button. Consequently, the interlock rod interferes with a distribution board or a member fixed at a floor face of the distribution board and thus the drawer-type circuit breaker is fixed at a prescribed position in the distribution board.
    • 要解决的问题:为了提供满足将抽屉式断路器固定在操作位置或断开位置的互锁装置,当从操作位置移动或断开时断路器不可避免地处于关闭状态, 并且当设置在除了操作位置和断开位置之外的位置时,它总是处于关闭状态。 解决方案:联锁装置包括连接到抽屉式断路器的捕获机构部分的脱扣按钮和设置成能够上下自由移动的互锁杆。 只要抽屉式断路器通过操作捕获按钮而不进入关闭状态,互锁杆的升高操作被捕获按钮机械地阻挡。 因此,互锁杆与配电板或固定在配电板的地板面上的部件干涉,由此将抽屉式断路器固定在配电板的规定位置。 版权所有(C)2013,JPO&INPIT