Automatic defrosting high-pressure fresh air device

The utility model relates to the field of air conditioners, in particular to an automatic defrosting high-pressure fresh air device which comprises a fresh air channel, a temperature adjusting water channel, an adjusting valve set, a switch valve set and a surface air cooler set. The temperature adjusting water channel is provided with a water inlet and a water outlet; a surface air cooler of the surface air cooler set communicates with the fresh air channel and the temperature adjusting water channel. Regulating valves of the regulating valve group are arranged on a temperature regulating water channel connected between the water inlet and the surface air cooler; and a switch valve of the switch valve group is arranged on a temperature adjusting water channel connected between the surface air cooler and the water outlet. According to the utility model, the conventional refrigeration and defrosting functions of the equipment are realized, and different opening degrees can be set for the plurality of regulatin