Static pressure adjustment device

The utility model discloses a static pressure adjustment device. The static pressure adjustment device is used for adjusting static pressure value in a blast pipe of a fan when a noise measurement is carried out. The static pressure adjustment device comprises a static pressure regulator and a valve device, wherein the static pressure regulator comprises a collecting module, a processing module, an adjustment module and an actuating module. The collecting module is used for collecting static pressure signals in the blast pipe and the processing module is used for docking and processing receiving signals. The collecting module is connected with the processing module in a communication mode, the adjustment module is connected with the processing module in a communication mode, the actuating module is connected with the adjustment module in a communication mode and the valve device is connected with the actuating module. The static pressure adjustment device has the advantages of being capable of avoiding waste