The invention relates to a system and method for battery and cabin cooling in an electric vehicle. A vehicle is provided that includes vehicle cooling systems for cooling a cabin and a battery system, each having a respective target operating range. The cooling system is configured to select from a cabin-only mode, a battery-only mode, or a hybrid cooling mode for cooling the cabin and the battery system. In the mixed mode, the system determines a desired pressure at a compressor inlet corresponding to a suction pressure of the compressor to avoid cooling disruption. The system generates a control signal based on a desired suction pressure and applies the control signal to the compressor. Generating the control signal can include generating a feedforward signal based on a desired suction pressure, generating a feedback signal based on the suction pressure, or a combination thereof. For example, the use of a mixed mode based on suction pressure allows for more smooth response to the target, reducing delayed response, thereby satisfying cooling requirements.
本公开涉及用于电动车辆中电池和车厢冷却的系统和方法。本发明提供一种车辆,所述车辆包括用于冷却车厢和电池系统的车辆冷却系统,各自具有相应的目标操作范围。所述冷却系统被配置成从用于冷却所述车厢和所述电池系统的仅车厢模式、仅电池模式或混合冷却模式中进行选择。在所述混合模式下,所述系统确定对应于所述压缩机的吸入压力的压缩机入口处的期望压力,以避免冷却中断。所述系统基于所期望的吸入压力生成控制信号,并且将所述控制信号应用于所述压缩机。生成所述控制信号能够包括基于所期望的吸入压力生成前馈信号,基于所述吸入压力生成反馈信号,或其组合。例如,基于吸入压力使用混合模式允许更平稳地响应目标,减少延迟响应,从而满足冷却需求。
System and method for battery and cabin cooling in electric vehicle
用于电动车辆中电池和车厢冷却的系统和方法
2023-02-03
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
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