Aerating device

The utility model discloses an air oxygen-increasing device belonging to an aeration technical field. The device is composed of a blower (1), a motor (2) and an air pressure sensor (3). The motor (2) is arranged on a base (4); the blower (1) is connected with the motor (2); the output end of the blower is connected with a sealing space (5); a pressure induction part of the air pressure sensor (3) is arranged in the sealing space (5), and the output part of the air pressure sensor (3) is connected with the output end of the motor (2) to adjust the output power of the motor (2) and then adjust supplied air volume of the blower (1). The utility model utilizes a power machine to absorb, compress and transport rarefied air of the altiplano, resulting in normal respiratory air concentration for human beings in the sealing space to ensure normal study, work and living. The utility model can be widely applied in all sealing spaces with natural rarefied air and all moving sealing spaces such as moving vehicles and trains.