公开(公告)号：US20230317391A1

公开(公告)日：2023-10-05

申请号：US18327250

申请日：2023-06-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guangchao YAN ,  Enyuan DONG ,  Zhuo TANG ,  Yongxing WANG ,  Gongrun WANG ,  Xiaozhi SUN ,  Lifan ZHANG ,  Shutian XUE ,  Yuqiang PI ,  Zhiming XIAO ,  Liangqiang PENG

IPC: H01H50/36 ,  H01H50/64 ,  H01H50/44 ,  H01H50/18 ,  H01H51/01

CPC classification number: H01H50/36 ,  H01H50/64 ,  H01H50/44 ,  H01H50/18 ,  H01H51/01 ,  H01H2050/446

Abstract: A relay is disclosed to enhance a retention force by using a yoke iron and an opening group on a top cover. The relay includes the yoke iron, the top cover, a static iron core, a primary permanent magnet group, a secondary permanent magnet group, a first movable iron core, and a second movable iron core. The top cover is provided with a first opening group, the first opening group is provided at a position at which the top cover is configured to be in contact with the first movable iron core, the first opening group includes at least one first sub-opening, the yoke iron is provided with a second opening group, the second opening group is provided at a position at which the yoke iron is configured to be in contact with the second movable iron core, and the second opening group includes at least one second sub-opening.