Compound-type electric automobile power supply management system

The utility model discloses a compound-type electric automobile power supply management system. The system comprises a vehicle-mounted pickup device, a commercial power access device, a vehicle-mounted electric energy conversion device, a charger, a lithium battery pack, an electric control system and a motor. A control unit carries out on/off operation through controlling different control switches and controls working of different modules so that a charging mode is selected according to an actual need. The system has the following advantages that the structure is simple and the design is reasonable; various kinds of charging modes are provided; the system is compatible with an existing charging mode; a charging problem of a charging automobile is solved and simultaneously manufacturing cost is not greatly increased; a good popularization value is possessed.