本申请涉及一种电池组模拟与BMS精度检测系统。所述检测系统包括控制装置、信号处理装置和电池管理系统。控制装置用于输出模拟多个电池单体的单体电压的多个电压信号。信号处理装置与控制装置连接。信号处理装置用于将接收的多个电压信号顺次逐一串联处理，对应生成多个单体模拟电压。多个单体模拟电压用于模拟多个电池单体串联时输出的电压。电池管理系统与信号处理装置和控制装置连接。电池管理系统对多个单体模拟电压进行模数转换得到的多个检测电压，并输出给控制装置。控制装置对采集的多个单体模拟电压进行模数转换处理得到多个基准电压，控制装置还用于将多个检测电压和多个基准电压进行一一对比，得到电池管理系统的检测精度。

This application relates to a battery pack simulation and BMS accuracy detection system. The detection system comprises a control device, a signal processing device and a battery management system. The control device is used to output multiple voltage signals that simulate individual voltages of multiple cell cells. The signal processing device is connected to the control device. The signal processing device is used to process multiple voltage signals received in series one by one to generate multiple analog voltages. Multiple cell analog voltage Used to simulate the output voltage of multiple battery cells in series. The battery management system is connected to the signal processing device and the control device. The battery management system converts multiple analog voltages to digital and outputs them to the control device. The control device performs analog-to-digital conversion processing on the collected analog voltages of multiple cells to obtain multiple reference voltages. The control device is also used to compare multiple detection voltages with multiple reference voltages one by one to obtain the detection accuracy of the battery management system.