US 12,482,621 B2
Connecting structure between lead-out pins of auxiliary stationary contacts and yoke plate of DC relay
Shuming Zhong, Xiamen (CN); Zhuxiong Wu, Xiamen (CN); Yaosheng Hong, Xiamen (CN); Wenguang Dai, Xiamen (CN); and Songsheng Chen, Xiamen (CN)
Assigned to Xiamen Hongfa Electric Power Controls Co., Ltd., Xiamen (CN)
Appl. No. 17/925,814
Filed by Xiamen Hongfa Electric Power Controls Co., Ltd., Xiamen (CN)
PCT Filed Mar. 22, 2021, PCT No. PCT/IB2021/052353
§ 371(c)(1), (2) Date Nov. 16, 2022,
PCT Pub. No. WO2021/255531, PCT Pub. Date Dec. 23, 2021.
Claims priority of application No. 202021128091.4 (CN), filed on Jun. 17, 2020; and application No. 202022396630.9 (CN), filed on Oct. 23, 2020.
Prior Publication US 2023/0178319 A1, Jun. 8, 2023
Int. Cl. H01H 50/14 (2006.01); H01H 50/02 (2006.01); H01H 50/36 (2006.01); H01H 50/54 (2006.01)
CPC H01H 50/14 (2013.01) [H01H 50/02 (2013.01); H01H 50/36 (2013.01); H01H 50/541 (2013.01); H01H 50/546 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A connecting structure between lead-out pins of auxiliary stationary contacts and a yoke plate of a DC relay, comprising a yoke plate and an auxiliary stationary contact lead-out pin assembly mounted on the yoke plate; the auxiliary stationary contact lead-out pin assembly comprising a lead-out pin, a glass material body and an alloy part; wherein the lead-out pin, the glass material body and the alloy part are connected into a whole by sintering, and the lead-out pin and the alloy part are insulated from each other by glass material; the auxiliary stationary contact lead-out pin assembly is welded and fixed to the yoke plate through the alloy part.