US 11,942,295 B2
Relay
Xiaoning Zhang, Shenzhen (CN); and Teng Zou, Shenzhen (CN)
Assigned to Tyco Electronics (Shenzhen) Co., Ltd., Shenzhen (CN)
Filed by Tyco Electronics (Shenzhen) Co. Ltd., Shenzhen (CN)
Filed on Oct. 9, 2020, as Appl. No. 17/066,888.
Application 17/066,888 is a continuation of application No. PCT/EP2019/059241, filed on Apr. 11, 2019.
Claims priority of application No. 201820535621.3 (CN), filed on Apr. 16, 2018.
Prior Publication US 2021/0027963 A1, Jan. 28, 2021
Int. Cl. H01H 50/12 (2006.01); H01H 50/16 (2006.01); H01H 50/20 (2006.01); H01H 50/24 (2006.01); H01H 50/38 (2006.01); H01H 50/54 (2006.01); H01H 50/64 (2006.01)
CPC H01H 50/38 (2013.01) [H01H 50/163 (2013.01); H01H 50/20 (2013.01); H01H 50/24 (2013.01); H01H 50/546 (2013.01); H01H 50/643 (2013.01); H01H 50/12 (2013.01)] 44 Claims
OG exemplary drawing
 
1. A relay, comprising:
a housing including a plurality of air-cooling fins formed on an outer wall thereof;
an electric contact system in the housing, the electric contact system including a static contact with a static contact portion and a movable contact with a movable contact portion;
an electromagnetic system in the housing, the electromagnetic system is configured to drive the movable contact to move between a closed position in which the movable contact is in electrical contact with the static contact and an opened position in which the movable contact is separated from the static contact; and
a magnetic blowing arc-extinguish device including a permanent magnet statically provided near the static contact and configured to lengthen an electric arc between the static contact portion and the movable contact portion by an electromagnetic force to extinguish the electric arc.