In the context of global energy structure transformation, the rapid development of the new energy vehicle industry is profoundly reshaping the technical path of on-board air conditioning systems, and the core components represented by through-flow fans and PTC heaters have ushered in upgrade opportunities. The traditional fuel vehicle air conditioning system relying on engine energy supply has been gradually eliminated, and new energy vehicles have put forward higher requirements for energy efficiency, silence and integration of air conditioning systems. As the core component of the air conditioning supply system, the through-flow fan has become the preferred configuration of the heat pump air conditioning system for new energy vehicles by virtue of its advantages of large air volume, low noise and small volume.

Industry data shows that new energy vehicles equipped with heat pump air conditioners can reduce endurance attenuation by 15%-20% in low temperature environments, and the application of high-efficiency through-flow fans is one of the key links to improve the energy efficiency of heat pump systems. At present, the industry is accelerating the lightweight and intelligent upgrade of cross-flow fans, using new materials such as carbon fiber composites to reduce the weight of components, and at the same time realizing precise adjustment of air volume through intelligent control algorithms to match the temperature control needs under different working conditions. With the popularization of the concept of intelligent cockpit, the through-flow fan has gradually realized the synergy with functions such as zonal temperature control and seat linkage to further improve driving comfort.