Apparatus for roof automatic mist spray and smog reduction based on PM2.5 detection and method for controlling same

The invention discloses an apparatus for roof automatic mist spray and smog reduction based on PM2.5 detection and a method for controlling same, the apparatus comprising an automatic mist spray main control module, a wireless communication module in cooperative connection with the automatic mist spray main control module, an air PM2.5 automatic detect module, a positioning module, a power supply module, a relay/valve controller drive module, wherein a relay/valve controller is connected to the relay/valve controller drive module and is connected to a roof integral water supply mist spray facility, the air PM2.5 being automatically detected and positioned and subsequently being transmitted to the automatic mist spray main control module, the automatic mist spray main control module controlling the relay/valve controller drive module to drive the relay/valve controller so as to enable the roof integral water supply mist spray facility to perform mist spray and smog reduction. The apparatus herein adopts an integrated, modularized and intelligent design, has the advantages of clear structure, novel and logical design, easy realization, and low cost. The apparatus and the method herein address the problem of smog in the air and increase effects of smog reduction.