Control method of electric vehicle, medium and equipment

Abstract

The invention relates to a control method of an electric vehicle, a medium and equipment. The electric vehicle comprises a three-way valve, the three-way valve is used for guiding water heated by a heater into an air conditioner warm air core loop and a power battery loop, and the method comprises the steps that if an instruction for instructing air conditioner warm air and battery heating to be started at the same time is received, the current water temperature at a water outlet of the heater is obtained; the air conditioner required water temperature at the water outlet of the heater is determined; and the opening degree of the three-way valve is adjusted according to the current water temperature and the water temperature required by the air conditioner, so that the power battery is heated while the air conditioner is started to warm air. Thus, heat distribution between air conditioner warm air and battery heating can be automatically adjusted under the condition that basic requirements of the air conditioner are guaranteed, the activity of the power battery is improved while the comfortable temperature of a cab is achieved, and therefore the discharge capacity of the power battery is increased, the endurance mileage is increased, and the power performance of the whole vehicle is enhanced.

Description

technical field [0001] The present disclosure relates to the field of control of electric vehicles, and in particular, to a control method, medium, and equipment for electric vehicles. Background technique [0002] When traditional fuel vehicles turn on the warm air in winter, they use the heat of the engine coolant to achieve the heating effect through heat exchange, and the consumption of fuel is not large. However, electric vehicles have different heating methods from traditional fuel vehicles due to their different working principles. Since the electric motor generates less heat during the working process, it cannot achieve direct heating cycle. It can only be heated by the electric heater (for example, PTC element) installed inside the air conditioning assembly, and the warm air water tank only plays an auxiliary heating role. This heating method will also consume the electric energy of the vehicle and affect the cruising range of the vehicle. [0003] As the temperat...

AI Technical Summary

Problems solved by technology

Since the electric motor generates less heat during the working process, it cannot achieve direct heating cycle. It can only be heated by the electric heater (for example, PTC element) installed inside the air conditioning assembly, and the warm air water tank only plays an auxiliary heating role. This heating method will also consume the electric energy of the vehicle and affect the cruising range of the vehicle

[0003] As the temperature drops, the activity of lithium-ion batteries in electric vehicles will decrease. Therefore, in cold regions, the discharge capacity of electric vehicle power batteries will be greatly affected, and the driving range of the whole vehicle will be seriously reduced.

After turning on the warm air, the mileage of the vehicle is even more worrying

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