公开(公告)号：US20150162150A1

公开(公告)日：2015-06-11

申请号：US14567582

申请日：2014-12-11

Applicant: ABB TECHNOLOGY AG

Inventor： Alexey Sokolov ,  Dietmar Gentsch ,  Felix Rager ,  Tarek Lamara ,  Thierry Delachaux

IPC: H01H33/664 ,  H01H9/44

CPC classification number: H01H33/6642 ,  H01H3/001 ,  H01H2033/6648

Abstract: An AMF contact for a vacuum interrupter includes concentric opposing contact pieces. The contact pieces include an external electrode shaped like a coil with a plate as a bottom plate of the external electrode, which generates a strong axial magnetic field, and an inner internal electrode as a top electrode carrying the nominal current. To enable the outer electrode to generate the axial magnetic field as requested for an application, a rod is arranged between the top electrode and the bottom plate. A first end of the rod is fixed at a lower side of the top electrode, and a second end of the rod is guided through an opening of the bottom plate. The second end of the rod has an extended head which locks or tightens the rod in a defined axial position. The disclosed embodiments are applicable for standard AMF or TMF (cup) contacts to reinforce them.

Abstract translation: 用于真空断路器的AMF触点包括同心的相对的接触件。 接触件包括形成为具有作为外部电极的底板的板状的外部电极，其产生强的轴向磁场，以及内部内部电极作为承载标称电流的顶部电极。 为了使外部电极能够根据应用要求产生轴向磁场，在顶部电极和底部板之间布置有杆。 杆的第一端固定在顶部电极的下侧，杆的第二端被引导通过底板的开口。 杆的第二端具有延伸的头部，其将杆锁定或紧固在限定的轴向位置。 所公开的实施例适用于标准AMF或TMF（杯）触点以加强它们。