Air bottle of air respirator

The utility model relates to an air respirator air bottle which comprises a bottle body and an air bottle valve connected to the bottle body, the air bottle valve is connected with a pressure sensor, the pressure sensor is electrically connected with a controller, the controller is electrically connected with an LED lamp set, and the pressure sensor is used for detecting air pressure in the bottle body and outputting a pressure value. The controller is used for receiving the pressure value and comparing the pressure value with a preset interval, and the controller controls the LED lamp set to emit light of different colors according to the position relation between the pressure value and the preset interval. And the air pressure in the bottle body is detected through the pressure sensor, so that an operator can observe the air pressure in the bottle body conveniently, and waste in the air is reduced. 本申请涉及一种空气呼吸器气瓶，包括瓶体、连接于瓶体的气瓶阀，所述气瓶阀连接有压力传感器，压力传感器电连接有控制器，控制器电连接有LED灯组，压力传感器用于检测瓶体内的气压并输出压力值，控制器用于接收压力值并将压力值与预设