The invention relates to an integrated waste heat recovery type CO2 heat pump heat management system applied to a new energy automobile, the system is composed of a refrigerant loop and a cooling liquid loop, the refrigerant loop is composed of a compressor, three electronic expansion valves, an indoor heat exchanger, an evaporator, an outdoor heat exchanger, a plate heat exchanger and a gas-liquid separator with a heat regeneration function; the cooling liquid loop is composed of a battery sub-loop and a motor sub-loop and comprises a cooling liquid pump, a cooling liquid pump, two three-way valves, a stop valve, a PTC heater, an air cooling radiator, a battery pack, a motor and an electric control component. Compared with the prior art, the system has the characteristics of single-stage compression and parallel secondary throttling and has the functions of passenger compartment heating and refrigeration, battery heating and cooling, motor cooling, motor waste heat recovery and the like, the battery sub-loop is communicated with the motor sub-loop, motor waste heat is fully utilized, and the system can be used for heating the passenger compartment in the low-temperature environment in winter and also can be used for heating the passenger compartment in the low-temperature environment in winter. And the battery can be heated.
本发明涉及一种应用于新能源汽车的集成式余热回收型CO2热泵热管理系统,该系统由制冷剂回路和冷却液回路组成,制冷剂回路由压缩机、三个电子膨胀阀、室内换热器、蒸发器、室外换热器、板式换热器和具有回热作用的气液分离器组成,冷却液回路由电池子回路和电机子回路构成,包括冷却液泵、冷却液泵、两个三通阀、截止阀、PTC加热器、风冷散热器、电池包、电机和电控部件组成。与现有技术相比,本发明系统具有单级压缩并行二次节流的特点,具备乘员舱加热制冷、电池加热和冷却、电机冷却与电机余热回收等功能,并且电池子回路与电机子回路连通,充分利用电机余热,既可用于乘员舱冬季低温环境取暖,还可用于电池加热。
Integrated waste heat recovery type CO2 heat pump heat management system applied to new energy automobile
应用于新能源汽车的集成式余热回收型CO2热泵热管理系统
2024-05-24
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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