The invention discloses an insufficient refrigerating capacity fault diagnosis method of a heat management system and the heat management system thereof, and the method comprises the steps: taking environment temperature data and functional device operation condition data as independent variables, and taking compressor operation condition data and expansion valve operation condition data as dependent variables, and building a refrigerating capacity reference model; calculating an offset value of the compressor operation condition real-time data and the compressor operation condition reference data, and recording the offset value as a compressor offset value, and calculating an offset value of the expansion valve operation condition real-time data and the expansion valve operation condition reference data, and recording the offset value as an expansion valve offset value; and when the offset value of the compressor and the offset value of the expansion valve meet the conditions, an insufficient refrigerating capacity fault early warning signal is sent out. The invention mainly solves the problem of how to provide an advanced diagnosis method for the insufficient refrigerating capacity fault for the thermal management system. Advanced diagnosis and early warning of the insufficient refrigerating capacity fault are provided for the heat management system, and a large amount of economic cost and energy consumption can be saved.
本发明公开了一种热管理系统的制冷量不足故障诊断方法及其热管理系统,其包括以环境温度数据和功能装置运行工况数据作为自变量,并以压缩机运行工况数据和膨胀阀运行工况数据作为因变量,建立制冷量参考模型;计算压缩机运行工况实时数据与压缩机运行工况参考数据的偏移值,记为压缩机偏移值,并且,计算膨胀阀运行工况实时数据与膨胀阀运行工况参考数据的偏移值,记为膨胀阀偏移值;压缩机偏移值和膨胀阀偏移值符合条件时,发出制冷量不足故障预警信号。本发明主要解决如何为热管理系统提供制冷量不足故障的提前诊断方法的问题;本发明为热管理系统提供制冷量不足故障的提前诊断和预警,能够节省大量经济成本和能源消耗。
Refrigerating capacity insufficiency fault diagnosis method of thermal management system and thermal management system thereof
热管理系统的制冷量不足故障诊断方法及其热管理系统
2024-11-01
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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