公开(公告)号：US11740289B2

公开(公告)日：2023-08-29

申请号：US17735335

申请日：2022-05-03

申请人： SK ON Co., Ltd.

发明人： Byoung Kyu Park ,  Ho Sang Jang ,  Seon Yong Kim ,  Yong Sug Choi

IPC分类号： H02H7/00 ,  G01R31/327 ,  H01H47/00 ,  H02H7/22 ,  H02H1/00 ,  H02J7/00

CPC分类号： G01R31/3278 ,  H01H47/002 ,  H02H1/0007 ,  H02H7/22 ,  H02J7/0013

摘要： The present disclosure relates to a relay examination device and a battery management system including the same, the relay examination device includes a first resistor unit having one end connected to one end of a relay, a second resistor unit having one end connected to the other end of the first resistor unit, a power unit connected to the other end of the second resistor unit and configured to supply power, and a control unit configured to receive a voltage signal applied between the first resistor unit and the second resistor unit and to examine whether the relay is open or closed or whether the relay has malfunctioned.