公开(公告)号：US20190118668A1

公开(公告)日：2019-04-25

申请号：US16166448

申请日：2018-10-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhimin Dan ,  Yizhen Hou ,  Zhanyu Sun ,  Jiechao Luo ,  Jia Xu

IPC: B60L11/18 ,  H01M10/48 ,  H01M10/42 ,  G01R19/165

Abstract: The present invention provides a high-voltage detection circuit, detector, battery device and vehicle, the high-voltage detection circuit includes: a controller including a first signal input port, a second signal input port, and a signal output port; a current detection sub-circuit for sampling a current signal of internal side of a main negative switch and for transmitting the current signal to the first signal input port; a switch detection sub-circuit, a first end of the switch detection sub-circuit being configured to sample a first electric signal of external side of a to-be-detected switch, and a second end of the switch detection sub-circuit being configured to transmit the first electric signal to the second signal input port; and a switch driving sub-circuit, configured for sampling a switch control signal via the signal output port and generating a switch driving signal according to the switch control signal.