Intelligent fresh air distribution system for building

The utility model discloses an intelligent fresh air distribution system for a building. The intelligent fresh air distribution system comprises an air inlet device, a filtering device, a distribution pipe, a control cabinet and a plurality of air supply terminals, the air inlet device is connected to the distribution pipe through the filtering device, and the distribution pipe is connected to the plurality of air supply terminals through branch air pipes; throttle valves controlled by the gas supply terminals are mounted on the branch gas pipes; all the gas supply terminals are connected to the control cabinet, and the control cabinet feeds back and adjusts the gas inlet device through the power regulator. The large-power air inlet device is adopted to achieve concentrated air inlet, then the air is distributed after being filtered, under the same useful power, the useless power rate is smaller, more installation cost can be saved, maintenance is more convenient, adjustment of the air volume of each user is