Building curtain wall air tightness detection device

The utility model relates to the technical field of tightness detection, in particular to a building curtain wall airtightness detection device. According to the technical scheme, the smoke detection device comprises a detection frame, a smoke generator and a fixing frame used for fixing the detection frame, an air inlet hole is formed in the bottom of the detection frame, a connecting pipe is installed between the smoke generator and the detection frame, the position of the connecting pipe is aligned with the air inlet hole, and an airtight pad is fixed to the opening side of the detection frame. A pressurizing assembly is arranged in the detection frame, the fixing frame is of an L-shaped structure, a vacuum suction cup is installed at the end of the fixing frame, a locking screw is connected to the fixing frame in a threaded mode, and the locking screw is aligned with the periphery of the end of the detection frame. Smoke is injected into the detection frame through the smoke generator, leakage of the curt