冷风机(蒸发式冷气机)是由表面积很大的特种纤维波纹蜂窝状湿帘、高效节能风机、水循环系统、浮球阀补水装冷置、机壳及电器元件等组成。传统高效冷风机是制冷系统中将冷量输出的设备，主要由冷却盘管和轴流风机组成，通过轴流风机的强制作用，将被冷却房间的空气通过冷风机的冷却排管组，进行强制对流换热，使空气冷却，从而达到降低室（或库）温的目的。
The air cooler (evaporative air cooler) is composed of special fibre corrugated honeycomb wet curtain with large surface area, high efficiency and energy saving fan, water circulation system, floating ball valve filling and cooling device, shell and electrical components. The traditional high-efficiency air-cooler is the equipment that outputs the cooling capacity in the refrigeration system. It mainly consists of cooling coil and axial-flow fan. Through the forced function of the axial-flow fan, the air in the cooling room is forced to convective heat transfer through the cooling exhaust pipe group of the air-cooler, so that the air can be cooled, so as to achieve the purpose of reducing the room (or storage) temperature.