Hot and cold partition and evaporative cooling and precision air conditioning linkage type unit machine room air conditioning

The utility model discloses a hot and cold partition and evaporative cooling and precision air conditioning linkage type unit machine room air conditioning. The hot and cold partition and evaporative cooling and precision air conditioning linkage type unit machine room air conditioning comprises an evaporative cooling air conditioning unit and a precision air conditioning which are arranged in a machine room; the evaporative cooling air conditioning unit is arranged on an air inlet side of the precision air conditioning; a cabinet a and a cabinet b are arranged on an air outlet side of the precision air conditioning in turn; a hot channel a is formed between the precision air conditioning and the cabinet a; a cool channel is formed between the cabinet a and the cabinet b; a valve is arranged above the cold channel; the ground of the machine room, which is corresponding to the lower portion of the cold channel, is provided with a floor air diffuser; the floor air diffuser is communicated with the evaporative cooling air conditioning unit through an air pipe; a hot channel b is formed between the cabinet b and a wall which is provided with an air outlet. According to the hot and cold partition and evaporative cooling and precision air conditioning linkage type unit machine room air conditioning, linkage control is achieved between an evaporative cooling air conditioning and the precision air conditioning, the structure is compact, the occupied area is small, and the installation and the use are convenient.