The invention relates to the technical field of automobile charging equipment, and discloses an electric automobile charging and discharging and battery testing direct current charging pile, and the method comprises the steps: placing a battery module into series charging and discharging equipment for direct current charging, and after any single battery in the battery module is fully charged, carrying out the charging and discharging of a single battery which is not fully charged in the battery module; putting the battery module into series equipment for rapid direct current charging and discharging, and respectively recording voltage change data of each single battery in the direct current charging and discharging process; according to the direct-current charging pile, part of single batteries in the battery module are selected for capacity testing, calculation is carried out through the direct-current charging and discharging voltage and part of single battery capacity data, and the battery capacity of the battery module is obtained.
本发明涉及汽车充电设备技术领域公开了一种电动汽车充放电及电池测试直流充电桩,其中方法包括:将电池模块放入串联充放电设备进行直流充电,待电池模块内任一单体电池满充后,对电池模块内未满充的单体电池进行充放电;将电池模块放入串联设备中进行快速直流充放电,分别记录直流充放电过程中每个单体电池的电压变化数据;选取电池模块中的部分单体电池进行容量测试,利用直流充放电电压及部分单体电池容量数据进行计算,获得电池模块的电池容量,本发明是用充放电测试充电功率的直流充电桩。
Direct-current charging pile for charging, discharging and battery testing of electric vehicle
一种电动汽车充放电及电池测试直流充电桩
2022-04-12
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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