With the continuous popularization of new energy vehicles, higher requirements have been put forward for thermal management of new energy vehicles in order to solve the problems of range and thermal safety in winter and summer. Several common heating schemes currently used in energy vehicles include PTC air heating, PTC water heating, and heat pump air conditioning systems. The principle of heat pump air conditioning systems is the same as that of traditional automotive air conditioning systems,
In order to maintain the working temperature of the battery (ideal range 25℃~35℃), new energy vehicles need to start the heating device at low temperatures. PTC heating directly shortens battery life by 20% to 40%; Although the heat pump system is superior to PTC, it still consumes 2-4 kW of power and reduces the range by 10% -20%. In response to the issues of high heating capacity of electric motors and low temperature rise and energy efficiency of air conditioning compressors, Posung proposes the R290 ultra-low temperature heating solution - Enhanced Vapor Injection heat pump system. The system consists of three key components: an Enhanced Vapor Injection compressor, an integrated four-way valve, and a multifunctional integrato
Optimize the sealing groove structure and internal heat dissipation surface structure of the driver for the Enhanced Vapor Injection compressor, fully utilize the reflux refrigerant to absorb the heat of the driver's power module, reduce the temperature rise of the power module by 12K,and can still operate normally even in high temperature and high load environments
Posung has been committed to developing a Enhanced Vapor Injection mercury heating system for refrigerant R290. And an integrated design was made for the system, which has the ability to support refrigeration (heating) systems The integrated design reduces the amount of refrigerant added and improves safety.The performance of the R290 integrated system using an enthalpy increasing compressor is more outstanding, capable of normal heating below minus 30 degrees Celsius, eliminating PTC auxiliary heating, achieving modularity, and higher operational safety. In the future, Posung will continue to conduct in-depth research on thermal management systems and provide more heat value solutions for new energy vehicles!
Post time: Sep-19-2025