Air conditioning device

The utility model provides an air conditioning device, and relates to the technical field of electrical equipment, and the air conditioning device comprises a housing; the air supply part is arranged in the shell and used for supplying air from the air inlet to the air outlet, the air supply part comprises a volute and a volute tongue, the volute comprises a volute air inlet communicated with the air inlet and a volute air outlet communicated with the air outlet, and the volute tongue is arranged on the inner wall of the volute; the volute air inlet is formed in the axial direction of the centrifugal fan blade, in the circumferential direction of the centrifugal fan blade, the distance between the inner wall of the volute and the centrifugal fan blade is gradually increased from the volute tongue to the volute air outlet, and a first hole is formed in the position, close to the volute tongue, of the inner wall of the volute; the sampling channel is arranged at the position, close to the volute, in the shell,