本系统是为 60 串单体容量小于 50Ah 的磷酸铁锂电池而设计生产的嵌入式 BMS 一体机。本 BMS 一 体机由 BMU（采样控制板）、功率转接板、高压板、接口板、开关电源、霍尔传感器、预充电阻、功率二 极管、预充接触器、充电接触器、放电接触器、微断开关、功率接线排、箱体和线束等部件组成； This system is an embedded BMS integrated machine designed for the production of 60 series lithium iron phosphate batteries with a single cell capacity of less than 50Ah. The BMS component consists of BMU (sampling control board), power adapter board, high voltage board, interface board, switching power supply, Hall sensor, pre-charge resistor, power diode, pre-charge contactor, charging contactor, discharge contactor, micro Components such as disconnecting switches, power wiring blocks, cabinets and wiring harnesses;
系统特点 System Features
每 15 串为一个电池采集单元，60 串电池共 4 个采集单元；
Each 15 strings is a battery collection unit, and 75 series batteries have 4 acquisition units.
每 15 串 3 个温度采集探头，共计 12 个；
15 probes for every 15 strings, for a total of 12
电流采集采用霍尔传感器，安全可靠，无发热；
current collection uses Hall sensor, safe and reliable, no heat;
SOC 估算误差≤５％；SOC estimation error ≤ 5%;
一路 CAN 通信接口用于 PCS 与 BMS 通信，一路 485 接口用于 PCS 与 BMS 通信或软件升级；
One channel CAN communication interface is used for PCS and BMS communication, one channel 485 interface is used for PCS and BMS communication or software upgrade
LED 信号指示工作状态（4 位 SOC 指示、1 位工作指示、1 位故障指示）；
LED signal indicates working status (4-bit SOC indication, 1-bit operation indication, 1-bit fault indication)
3 位地址拨码设置 BMU 地址；3-digit address dialing to set the BMU address;
3 通道继电器干接点输出；3-channel relay dry contact output;