The invention provides an electric vehicle heat management system fan control method and device and a storage medium. The method comprises the steps that the air volume compensation amount of a vehicle heat management system is determined according to the current running state of a vehicle; according to the air volume compensation amount, the electric drive air volume demand quantity and the fault diagnosis air volume, the target air volume demand quantity of the heat management system is determined; the target air volume demand quantity is converted into a fan pulse width modulation (PWM) signal, the fan PWM signal is discretely processed into a plurality of gears according to the duty ratio, and all the gears correspond to different fan rotating speeds; and controlling the rotating speed of the fan according to the gear corresponding to the PWM signal after discrete processing. According to the method, the automobile performance is improved, energy conservation and emission reduction are achieved, and the function reliability of the electric automobile thermal management system is improved.
本申请提供一种电动汽车热管理系统风扇控制方法、设备和存储介质。该方法包括:根据车辆的当前运行状态,确定车辆热管理系统的风量补偿量;根据风量补偿量、电驱风量需求量以及故障诊断风量,确定热管理系统的目标风量需求量;将目标风量需求量转化为风扇脉冲宽度调制PWM信号,并对风扇PWM信号根据占空比离散处理为多个档位,每个档位对应不同的风扇转速;根据离散处理后的PWM信号对应的档位,对风扇进行转速控制。本申请的方法,增加了汽车性能、节能减排,提高了电动汽车热管理系统功能的可靠性。
Electric vehicle heat management system fan control method and device and storage medium
一种电动汽车热管理系统风扇控制方法、设备和存储介质
2023-08-18
Patent
Electronic Resource
Chinese
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS |
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