The air cooler is the evaporator in the refrigeration system, and is an important heat exchange equipment for logistics cold storage, cold chain vehicles, and workshop air conditioning systems. Air coolers are mainly made of stainless steel tube aluminum sheet, aluminum tube aluminum sheet, copper tube aluminum sheet, steel tube steel sheet or other materials. It is widely used in various subdivisions of the food industry, such as low-temperature quick freezing and cold storage of products in industries such as livestock and poultry, eggs and milk, aquatic products, fruits and vegetables, prepared foods, cold drinks products, etc. In addition to the food industry, air coolers are also widely used in comfortable air conditioning systems (commercial centers, airports, rail transport, stadiums, etc.), artificial intelligence environments (ice and snow sports venues, high-performance laboratories, etc.).