Battery thermal management system for extended-range automobile

The utility model discloses a battery thermal management system for an extended-range automobile, relates to the technical field of automobile thermal management, and is mainly used for solving the problem of how to realize thermal management of a battery. According to the main structure, the system comprises an engine cooling module, a motor cooling module, a battery temperature control module and an air conditioner refrigeration module, the battery temperature control module comprises a third water pump, a charger, a battery pack and a battery cooling heat exchanger, and the battery pack and the third water pump are provided with battery heating heat exchangers; and the battery heating heat exchanger and the battery pack are also provided with electric control valves. According to the battery thermal management system for the extended-range type automobile, the battery is heated through waste heat of the engine, the battery is cooled through refrigeration of the air conditioner, normal work of the battery i