Determination device for six volatile carboxylic acid compounds in ambient air

The utility model relates to the technical field of air detection, in particular to a device for measuring six volatile carboxylic acid compounds in ambient air, which comprises detection equipment, an air inlet mechanism is mounted on the detection equipment and comprises a connecting sleeve, the top of the detection equipment is rotatably connected with the connecting sleeve, and the connecting sleeve is connected with the air inlet mechanism. Two concentric mounting plates are arranged at the top of the connecting sleeve, a through hole is formed in the center of each mounting plate, a plurality of guide plates which are annularly distributed at equal intervals are mounted at the edge between the two mounting plates, and a stepping motor is mounted on the inner side of the top of the detection equipment; gears with different sizes are installed on an output shaft of the stepping motor and the side wall of the bottom of the connecting sleeve respectively, the two gears are meshed with each other, and a filt