The utility model discloses a throttle control and differential pressure tester and system that is arranged in wind tunnel test intelligence to open structure door and window, wherein the throttle control includes singlechip, relay and switch with the differential pressure tester, is equipped with the wind pressure on the singlechip and gathers interface, PC end connection interface, relay interface, the singlechip for the outer pressure differential of air door of gathering wind pressure transducer carries out the receiving process, then the transmission carries out storage analyzer for the computer, then forms solenoid valve control signal through the analysis result who returns, and the break -make through the control relay realizes opening and closing of control solenoid. The utility model discloses given external pressure threshold values in advance can be passed through, opening suddenly of wind -tunnel test model structure door and window is controlled intelligently to door and window damaged effect in the twinkling of an eye among the simulate reality. The novel device system operation of this intelligence is simple and convenient, degree of automation is high.