The invention discloses a battery pack charging device, a control method thereof and a vehicle with the same, and the device comprises a battery pack which comprises a first sub-battery pack and a second sub-battery pack which are connected in series; the positive electrode of the direct-current charging interface is connected to the positive electrode of the battery pack, and the negative electrode of the direct-current charging interface is connected to the negative electrode of the battery pack; the control unit comprises a control module and a driving module, the driving module comprises at least one bridge arm, the bridge arm comprises an upper bridge arm and a lower bridge arm, the upper bridge arm is connected to the positive electrode of the battery pack, and the lower bridge arm is connected to the negative electrode of the battery pack; one end of the inductor is connected to the midpoint of the first sub-battery pack and the second sub-battery pack and the positive electrode of the direct current charging interface, and the other end of the inductor is connected to the midpoint of the bridge arm. The battery pack charging device provided by the embodiment of the invention can control self-heating of the battery pack, has two charging circuits, can perform boost charging and direct charging on the battery pack, and also has the advantages of low cost, small space, few parts and the like.
本发明公开了一种电池包充电装置、其控制方法和具有其的车辆,包括:电池包,电池包包括串联的第一子电池包和第二子电池包;直流充电接口,直流充电接口的正极连接于电池包的正极,直流充电接口的负极连接于电池包的负极;控制单元,控制单元包括控制模块和驱动模块,驱动模块包括至少一个桥臂,桥臂包括上桥臂和下桥臂,上桥臂连接于电池包的正极,下桥臂连接于电池包的负极;电感,电感的一端连接于第一子电池包和第二子电池包的中点以及直流充电接口的正极,电感的另一端连接于桥臂的中点。本发明实施例电池包充电装置能够控制电池包自加热,且具有两种充电电路,能够对电池包进行升压充电以及直接充电,还具有成本低、空间小、零件少等优点。
Battery pack charging device, control method thereof and vehicle with battery pack charging device
电池包充电装置、其控制方法和具有其的车辆
2024-03-01
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 / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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