The invention aims to provide a new energy automobile electric heat pump air conditioner heat recovery and defrosting device which comprises a heat pump air conditioner loop, a motor and electric control system cooling loop, a battery heat management system loop and a heat recovery and waste heat defrosting loop. The heat pump air conditioner loop and the heat recovery and waste heat defrosting loop comprise an electric compressor, a heat exchanger b, an electronic expansion valve a, a stop valve a, an external condenser, an electromagnetic expansion valve a, a stop valve b, a heat exchanger a, a gas-liquid separator, a three-way valve a, a motor and electric control system, a kettle a, a refrigerating system, a heating system, a refrigerant conveying system, a cooling liquid conveying pipeline and a battery heat management system. Waste heat generated after the motor and the electric control system work can be fully utilized, refrigerant regenerative enthalpy increasing is provided during heating work of the heat pump air conditioner and a defrosting mode of the condenser outside the vehicle, waste heat generated after the electric control system works is utilized for heating andauxiliary heat supply of a cab, energy consumption of the heat pump air conditioner of the electric vehicle is reduced, and the cruising ability of the electric vehicle is improved.
本发明旨在提供一种新能源汽车电动热泵空调热量回收及化霜装置,包括热泵空调回路、电机及电控系统冷却回路、电池热管理系统回路、热量回收及余热化霜回路。热泵空调回路、热量回收、余热化霜回路包括:电动压缩机、热交换器b、电子膨胀阀a、截止阀a、车外冷凝器、电磁膨胀阀a、截止阀b、热交换器a、气液分离器,及三通阀a、电机及电控系统、水壶a、制冷系统、制热系统、冷媒输送系统、冷却液输送管路、电池热管理系统。本发明能够充分利用电机及电控系统工作后的余热,在热泵空调制热工作及车外冷凝器化霜模式时,提供冷媒回热增焓,利用电控系统工作后的余热,给驾驶室采暖辅助供热,降低电动车热泵空调能耗,提升电动车续航能力。
New energy automobile electric heat pump air conditioner heat recovery and defrosting device
新能源汽车电动热泵空调热量回收及化霜装置
2021-01-22
Patent
Elektronische Ressource
Chinesisch
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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