Beijing Electric Vehicle Co., Ltd.

Donglin Cao

Huigen Yu

Rui Liang

Zhongke Yang

Zhiqiang Guo

Liguo Yan

Xingquan Qin

Qianhui Zhang

Dangqing Li

Disclosed are a device and a method for testing a battery equalization circuit. The device includes: multiple voltage supply modules, each of which being connected to a corresponding equalization module to form multiple test loops, and being configured to supply simulated voltage of the battery cell to a corresponding equalization module; multiple equalization current detection modules, each of which being configured to detect equalization current of each test loop; multiple switch assemblies and multiple leakage current detection modules, each switch assembly being connected in parallel with a corresponding leakage current detection module, and each leakage current detection module being configured to detect leakage current generated by a corresponding equalization module when the leakage current detection module is connected into a corresponding test loop; and a control module, configured to control each switch assembly and each equalization module to detect the equalization current and the leakage current of each test loop.

Method and device for testing battery equalization circuit

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Beijing, China

Donglin Cao