New energy vehicle air conditioning system heating solution

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New energy vehicle air conditioning system heating solution 2022-02-26

At present, the heating solutions of new energy vehicle air conditioning systems include PTC and heat pump modes. New energy vehicles are heated by PTC thermistors, that is, heat is produced by the thermal effect of the resistance, which has the advantages of simple structure and good heating effect, but there is a serious defect of excessive power consumption. The PTC heating scheme consumes more energy and has a greater impact on the cruising range of new energy vehicles.

Heat pump air conditioning technology is to transfer the thermal energy of the low heat source to the high one. The water pump is to pump the water from the low place to the high place, and the heat pump is similar. It is an air-conditioning device that can forcibly transfer the heat energy of the low heat source to the high heat source. The four-way reversing valve used in the heat pump system can exchange the functions of the evaporator and the condenser of the heat pump air conditioner, and change the direction of heat transfer, so as to achieve the effect of cooling in summer and heating in winter. At present, the main types of heat pump systems are direct heat pump air conditioning systems, indirect heat pump air conditioning systems and direct heat pump air conditioning systems with supplementary air and enthalpy increase.

Heat pump technology has become a future development trend in the field of new energy vehicles, and the development of new energy vehicles has driven the rapid transformation of traditional automotive air-conditioning companies.

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