Smoke alarm detection device

The utility model provides a smoke alarm detection device which comprises a workbench, detection tables are symmetrically arranged on the workbench, a sealing cover corresponding to the detection tables is movably installed on one side of the workbench, the workbench is connected with the sealing cover through a driving mechanism, and the driving mechanism is used for driving the sealing cover to move up and down and then is in sealing fit with the detection tables. A detection chamber is formed between the sealing cover and the detection table, an inflation mechanism is arranged in the workbench and comprises a servo motor, a driving rod and an air cylinder, and the air cylinder is connected with an external air storage bottle and the sealing cover through air pipes. According to the smoke alarm detection device provided by the utility model, the driving mechanism controls the sealing cover to move and then seals the detection tables, so that the closed detection space can be realized, the introduced gas can