The utility model discloses a battery of electric vehicle based on parallel control box, increase mileage as far as possible, reduce the battery on the battery damage between the circulation, realize flexible control of battery, increase the service life of the battery, comprising a battery management unit, and the number of battery packs the same current sensor, and the same number of battery and battery voltage sensor and the same number of contactor on the anode ear in each cell group to install a current sensor and a voltage sensor and the detection signal is connected with the output end of the battery management unit, the output of each battery through the end connected with a contactor often open contact after the battery was connected in parallel to each other, the input circuit of each contactor is connected to the electric vehicle controller through the intermediate relay and relay output The battery management unit communicate and connect the entire vehicle controller.
【技术实现步骤摘要】
【技术保护点】
一种电动汽车电池组并联控制盒，用于对具有多个电池组的电动汽车进行电池组并联控制，其特征在于：包括电池管理单元、与电池组数量相同的电流传感器、与电池组数量相同的电压传感器及与电池组数量相同的接触器，在每个所述的电池组的正极耳端安装一个电流传感器和一个电压传感器并把检测信号输出端连接所述电池管理单元，每个电池组的输出端通过串接一个接触器的常开接点后使电池组间相互并联连接，每个接触器的线圈输入回路通过中间继电器和输出继电器连接到电动汽车的整车控制器，所述电池管理单元通信连接所述整车控制器。
【技术特征摘要】
【专利技术属性】
技术研发人员：王霞，楼佳烽，林程峰，王炜，盛海华，赵伟，
申请(专利权)人：浙江万向亿能动力电池有限公司，万向电动汽车有限公司，万向集团公司，
类型：实用新型
国别省市：
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