电子膨胀阀开度调节方法、装置、设备及车辆
By dynamically adjusting the evaporator surface temperature and the temperature set on the air conditioning panel in the thermal management air conditioning system, and by adjusting the opening of the electronic expansion valve in conjunction with the superheat on the battery side, the problem of uneven refrigerant flow distribution is solved, and the cooling rate and cooling effect of the cab and the battery side are balanced.
CN119773443BActive Publication Date: 2026-07-17SANY SPECIAL PURPOSE VEHICLE CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SANY SPECIAL PURPOSE VEHICLE CO LTD
- Filing Date
- 2024-11-29
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
现有热管理空调系统在驾驶室与电池双制冷模式下，电子膨胀阀开度固定，无法自动调节，导致冷媒流量分配不均，影响驾驶室和电池的制冷效果。
Method used
By actively and dynamically adjusting the target superheat on the battery side based on the actual surface temperature of the evaporator and the temperature set on the air conditioning panel, and by adjusting the required opening degree of the target electronic expansion valve in combination with the actual superheat on the battery side, the refrigerant flow can be rationally distributed.
Benefits of technology
A balance was achieved between the cooling rates of the cab and the battery side, ensuring the cooling effect of the cab.
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Figure CN119773443B_ABST
Abstract
本申请提供了一种电子膨胀阀开度调节方法、装置、设备及车辆，通过基于蒸发器表面实际温度与空调面板设置温度，对电池侧目标过热度即换热器流出的冷媒的温度与冷媒的饱和温度之间的目标差值进行主动和动态的调节，得到调节后的电池侧目标过热度，基于电池侧实际过热度与动态调节后的电池侧目标过热度，对目标电子膨胀阀的需求开度进行调节，得到调节后的目标电子膨胀阀的需求开度，并基于调节后的目标电子膨胀阀的需求开度设置目标电子膨胀阀的开度，可实现双制冷时对冷媒流量的合理有效的分配，能够保证驾驶室侧与电池侧的降温速率，并达到驾驶室侧和电池侧的降温速率的平衡，从而保证驾驶室的制冷效果。
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