The invention discloses a battery-replaceable direct current charging system and a control method thereof, the battery-replaceable direct current charging system comprises a charging controller, a DCDC charging module, a BMS controller and a plurality of battery pack groups, a control system is connected between the DCDC charging module and the battery pack groups, and the control system comprises a plurality of switches; the battery pack group comprises one or more battery packs and is used for providing a power source for the battery-replaceable direct-current charging system; and the DCDC charging module is used for converting the direct current output by each battery pack in the battery pack group into another direct current with different voltage and current, and outputting the direct current to the electric vehicle. According to the invention, the problem of on-line replacement of the battery packs in a normal working state of the charging system is solved, and the charging system is ensured to work in an optimal state for a longer time by actively controlling series and parallel connection among the battery packs.
本发明公开了一种可换电直流充电系统及其控制方法,包括:充电控制器、DCDC充电模块、BMS控制器,以及若干个电池包组,所述DCDC充电模块与电池包组之间连接控制系统,所述控制系统包括若干个开关;电池包组包括一个或多个电池包,用于为可换电直流充电系统提供电力源;DCDC充电模块用于将电池包组内各电池包输出的直流电转换为另外一种不同电压与电流的直流电,并输出给电动车辆。本发明解决不影响充电系统正常工作状态下在线更换电池包的问题,且通过主动控制各电池包间的串、并联连接保证充电系统更长久地工作在最佳状态下。
Battery-replaceable direct current charging system and control method thereof
一种可换电直流充电系统及其控制方法
2024-05-14
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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