The invention discloses an extended-range electric vehicle power coupling thermal control system and a control method thereof, and the system comprises four cooling liquid loops which are an engine heating loop, an engine heat dissipation loop, a power battery heating loop and a power battery heat dissipation loop in sequence. The engine heating loop comprises an engine, a first electronic thermostat, a first electric water pump and a first temperature sensor which are sequentially connected in series; the engine heat dissipation loop comprises an engine, a first electronic thermostat, a heat exchanger, a first radiator, a first electric water pump and a first temperature sensor which are sequentially connected in series. The power battery heating loop comprises a power battery, a second electronic thermostat, a heat exchanger and a second electric water pump which are sequentially connected in series; the power battery heat dissipation loop comprises a power battery, a second electronic thermostat, a second radiator, a second electric water pump and a second temperature sensor. According to the system, rapid preheating and accurate temperature control of the power battery and the engine are realized, and the energy utilization rate of the whole vehicle is effectively improved.
本发明公开了一种增程式电动汽车动力耦合热控制系统及其控制方法,包括四个冷却液回路,依次为发动机加热回路、发动机散热回路、动力电池加热回路、动力电池散热回路,发动机加热回路包括依次串联的发动机、第一电子节温器、第一电动水泵和第一温度传感器;发动机散热回路包括依次串联的发动机、第一电子节温器、换热器、第一散热器、第一电动水泵和第一温度传感器;动力电池加热回路包括依次串联的动力电池、第二电子节温器、换热器和第二电动水泵;动力电池散热回路包括动力电池、第二电子节温器、第二散热器、第二电动水泵和第二温度传感器。本发明,实现了动力电池和发动机的快速预热以及较为精确的温度控制,有效提高了整车的能量利用率。
Extended-range electric vehicle power coupling thermal control system and control method thereof
一种增程式电动汽车动力耦合热控制系统及其控制方法
2021-04-23
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen |
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