Integrated pump system of pure electric vehicle and control method of integrated pump system

The invention provides an integrated pump system of a pure electric vehicle and a control method thereof.The integrated pump system of the pure electric vehicle comprises a motor system assembly, an air pressure system assembly and an oil pressure system assembly, and the motor system assembly comprises an inverter connected with a whole vehicle controller of the pure electric vehicle and a motor connected with the inverter; the air pressure system assembly comprises an air cylinder and an air storage tank, the oil pressure system assembly comprises an oil pump head and a steering wheel steering gear box connected with the oil pump head, the motor is connected with the air cylinder and the oil pump head, and the motor drives the oil pump head to provide oil path flow for rotation of the steering wheel steering gear box and drives the air cylinder to operate in a no-load mode or inflates the air storage tank. Integrated control over the oil pump and the air pump is achieved, the vehicle body space is saved for