Refrigerator car for dual-temperature transportation of hybrid refrigeration system

The utility model provides a dual-temperature transportation refrigerator car of a hybrid power refrigeration system. The dual-temperature transportation refrigerator car comprises a refrigerator body, a refrigeration unit and a lithium battery pack, the engine and the motor drive the vehicle-mounted compressor in a switchable mode through a belt, and the power source of the motor is mains supply or a lithium battery pack. An outlet of a vehicle-mounted compressor, an oil separator, a condenser, a liquid storage device and a drying filter are sequentially connected in series, an outlet of the drying filter is connected with a first branch and a second branch respectively, the first branch and the second branch are connected with an electromagnetic valve and an expansion valve in series respectively, and the tail end of the first branch is connected with an inlet of a first evaporator. The tail end of the second branch is connected with an inlet of a second evaporator, and an outlet of the first evaporator and