Law Offices of Liaoteng Wang
High-voltage interlock device and fault detection method thereof
The application provide a high-voltage interlock device and a fault detection method thereof. The high-voltage interlock device includes: a first signal detection circuit, configured to collect a first original electric signal from a high-voltage interlock component and convert the first original electric signal into a first sampled signal while ensuring that the high-voltage interlock component is isolated from a fault diagnosis module; a second signal detection circuit, configured to collect a second original electric signal from the high-voltage interlock component and convert the second original electric signal into a second sampled signal while ensuring that the high-voltage interlock component is isolated from the fault diagnosis module; the fault diagnosis module, configured to determine a fault of the high-voltage interlock component according to the first and/or the second sampled signal, under a condition that at least one of the first and the second switch modules is in an OFF state.
Contemporary Amperex Technology Co., Limited
B H G H H G G H G G B B G
B60L H04Q G01R H02H H04Q G01R G05B H04Q G01R G01R B60L B60L G01R
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Changjian Yanhui Weiqiang
Liu Fu Li