公开(公告)号：US4743720A

公开(公告)日：1988-05-10

申请号：US928362

申请日：1986-11-10

申请人： Akira Takeuchi ,  Hideo Hisamoto ,  Takanobu Tanaka ,  Akihiko Hirao ,  Yoichi Aoyama ,  Junichi Matsuda ,  Takehiko Okada

发明人： Akira Takeuchi ,  Hideo Hisamoto ,  Takanobu Tanaka ,  Akihiko Hirao ,  Yoichi Aoyama ,  Junichi Matsuda ,  Takehiko Okada

IPC分类号： H01H9/30 ,  H01H9/34 ,  H01H9/44 ,  H01H77/10 ,  B23K9/32

CPC分类号： H01H77/108 ,  H01H9/302 ,  H01H9/342 ,  H01H9/44 ,  H01H2009/305

摘要： A circuit interrupter includes an arc extinction assembly for magnetically driving or blowing out an arc formed between a stationary contact and a movable contact. The assembly comprises a pair of coaxial windings which are disposed in proximity to the contacts so that the internal lines of magnetic force generated by and passing inside of the windings can act directly on the arc for magnetically driving the arc in one direction. A magnetic flux diverting yoke is provided in association with the windings to diverse therethrough the external lines of magnetic force generated by and passing outside of the windings such that the arc and a portion of the movable contact arm carrying the same will not be under the influence of the external lines of magnetic force even when the contact separation proceeds to a stage where the arc is extended past the region which is totally under the influence of the internal lines of magnetic force. Otherwise, the external lines of magnetic force would pass through the arc and the portion of the movable contact arm in the opposite direction to the internal lines of magnetic force, causing the adverse magnetic effect of retarding the arc extinction and contact separation.

摘要翻译： 电路断路器包括用于磁力驱动或吹出形成在固定触点和可动触点之间的电弧的消弧组件。 组件包括一对同轴绕组，它们设置在接触件附近，使得由绕组内部产生并经过绕组的内部的内部线路可以直接作用在电弧上，以沿一个方向磁性地驱动电弧。 与绕组相关联地设置磁通转向磁轭，从而通过绕组的外部线圈产生的磁力的外部线路，从而使得电弧和承载该电弧的可动接触臂的一部分不受影响 即使当接触分离进行到电弧延伸超过完全受到内部磁力线的影响的区域的阶段时，外部磁力线也是如此。 否则，外部的磁力线将通过电弧和可动接触臂的部分与内部磁力线相反的方向，导致延迟电弧消失和接触分离的不利磁效应。