New energy automobile heat pump air conditioning system

Abstract

The invention provides a new energy automobile heat pump air conditioning system which comprises an electric scroll compressor, an automobile indoor heat exchanger, an automobile outdoor heat exchanger, a flash evaporator and a four-way reversing valve, the electric scroll compressor is connected with the flash evaporator, an air supplementing cavity is formed in the middle of the electric scroll compressor, one or more air supplementing holes are formed in the surface of the air supplementing cavity in a penetrating mode, the air supplementing cavity is outwards connected with an air suction pipeline at the air supplementing hole, the other end of the air suction pipeline is connected with an air pump, and a pressure sensor is arranged on the air suction pipeline. The air supplementing cavity is formed in the middle of the electric scroll compressor, the pressure in the air supplementing cavity is monitored in real time through the pressure sensor on the air suction pipeline, real-time supplementing is carried out, the exhaust temperature of the electric scroll compressor is reduced, the mass flow rate of a refrigerant is increased, and the economical efficiency of refrigeration and heating of the air conditioning system is improved; the air conditioning system cools exhaust gas of the electric scroll compressor through medium-temperature medium-pressure refrigerant gas flowing out of the flash evaporator, and the heating effect of the air conditioning system in a low-temperature environment is achieved.

Description

technical field [0001] The invention relates to a heat pump air-conditioning system for a new energy vehicle, which belongs to the technical field of vehicle air-conditioning. Background technique [0002] With the development of the world and the progress of society, the quality of human life is getting higher and higher. However, it is accompanied by the acceleration of the pollution of the living environment and the depletion of the earth's resources. Since the industrial revolution, the automobile industry has gradually emerged and grown. With the long period of industrial development, cars can be seen everywhere nowadays, and there are densely packed cars everywhere on the roads of the city. [0003] The huge number of cars used has brought about the rapid consumption of oil resources. With the advancement of science and technology, in order to reduce the damage to the environment caused by traditional fuel vehicles and reduce the consumption of non-renewable resourc...

AI Technical Summary

Problems solved by technology

Since new energy vehicles do not use internal combustion engines and have no engine waste heat, the heating effect of new energy vehicles in winter is poor, and the traditional PTC heating mode cannot meet people's use requirements, and it has greater requirements for batteries of new energy vehicles , restricting the development and popularization of new energy vehicles

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