Air quality detection device

The utility model discloses an air quality detection device which comprises a fixed base, and a detection assembly, a central control assembly and a display control assembly which are arranged at theupper part of the fixed base and are connected through a support assembly, wherein the detection assembly comprises a shell, a gas conveying part arranged in the shell and a detection part connected with the gas conveying part; the elastic fixing mechanism comprises a wall plate, an elastic part, a fixing bolt and a clamping plate which are arranged in the shell; and the detector is far away fromthe inner wall of the shell in the shell and is suspended through the clamping plate, the elastic part and the wall plate which are connected in sequence. According to the utility model, the detectionassembly in a suspended state is damped through the elastic fixing mechanism, so that the problem that the internal gas transmission part vibrates under the vibration of a high-speed air supply or airflow fan shielding control