发明名称 |
DC power relay |
摘要 |
Provided is a DC power relay. The DC power relay includes a pair of fixed contacts disposed parallel to each other, a movable contact vertically movable with respect to the pair of fixed contacts, the movable contact being in connect with or being separated from the pair of fixed contacts, a pair of permanent magnets for guide an arc generated when the movable contact is in contact with or is separated from the pair of fixed contacts to the outside, and a damping magnet reducing a force generated in a direction in which the movable contact is separated from the fixed contacts when the movable contact is in contact with the fixed contacts. |
申请公布号 |
US9117605(B2) |
申请公布日期 |
2015.08.25 |
申请号 |
US201213728916 |
申请日期 |
2012.12.27 |
申请人 |
LSIS Co., Ltd. |
发明人 |
An Jung Sik;Joo Hyun Woo |
分类号 |
H01H36/00;H01H1/54;H01H50/16;H01H50/54;H01H9/44;H01H50/38 |
主分类号 |
H01H36/00 |
代理机构 |
Lee, Hong, Degerman, Kang & Waimey |
代理人 |
Lee, Hong, Degerman, Kang & Waimey |
主权项 |
1. A DC power relay comprising:
a pair of fixed contacts located parallel to each other; a movable contact movable with respect to the pair of fixed contacts such that the movable contact may be in contact with or separated from the pair of fixed contacts; a pair of permanent magnets facing each other for externally guiding an arc generated by the movable contact; and a first damping magnet and a second damping magnet for reducing a force generated in a direction in which the movable contact is separated from the pair of fixed contacts, the first and second damping magnets having opposite magnetic fluxes such that they provide a repulsive force, wherein the first and second damping magnets, the pair of fixed contacts and the movable contact are located between the pair of permanent magnets, wherein a magnetic flux generated by the first damping magnet is opposite to a magnetic flux induced by current flowing into the movable contact when the movable contact is in contact with the pair of fixed contacts, wherein a magnetic flux generated by the second damping magnet is opposite to a flux induced by current flowing into the movable contact when the movable contact is in contact with the pair of fixed contacts. |
地址 |
Anyang-Si, Gyeonggi-Do KR |