The invention discloses a parameter calibration device and method for a vehicle electric heating system. The device comprises an environmental chamber, an enthalpy difference wind tunnel, an electric heater, a warm air pipeline, an air conditioner module, a power supply and a control module, the power supply is connected with the electric heater, cooling liquid is arranged in the warm air pipeline, and the electric heater is used for heating the cooling liquid; a first measuring module is arranged in the enthalpy difference wind tunnel, and the air conditioner module is used for blowing heat of the heated cooling liquid into the enthalpy difference wind tunnel; the first measuring module is used for measuring the air outlet flow and the air outlet temperature of the air conditioner module. The control module is used for determining the air side heat absorption capacity according to the air outlet flow and the air outlet temperature, determining the consumed power of the electric heater corresponding to each set of control variables and the liquid side heat release capacity, and determining the target cooling liquid flow and the target air conditioner air outlet capacity according to the consumed power, the liquid side heat release capacity and the air side heat absorption capacity. According to the method, the target cooling liquid flow and the target air conditioner air outlet volume at the required environment temperature can be selected, and parameter calibration is achieved.
本发明公开了一种车辆电加热系统参数标定装置及方法。该装置包括环境舱、焓差风洞、电加热器、暖风管路、空调模块、电源和控制模块;电源与电加热器连接,暖风管路中设置有冷却液,电加热器用于对冷却液进行加热;焓差风洞中设置有第一测量模块,空调模块用于将加热后的冷却液的热量吹入焓差风洞;第一测量模块用于测量空调模块的出风流量和出风温度;控制模块用于根据出风流量和出风温度确定空气侧吸热量,并确定每一组控制变量对应的电加热器的消耗功率和液体侧放热量,根据消耗功率、液体侧放热量和空气侧吸热量确定目标冷却液流量和目标空调出风量。本发明可以选取所需环境温度下的目标冷却液流量和目标空调出风量,实现对参数的标定。
Parameter calibration device and method for vehicle electric heating system
一种车辆电加热系统参数标定装置及方法
2024-01-26
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 |
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