Fire-fighting intelligent positive pressure type respirator

The fire-fighting intelligent positive pressure type respirator comprises a mask, an oxygen tank and an air pipe, a pressure measuring device is connected to a tank opening of the oxygen tank, the input end of the air pipe is connected with the output end of the pressure measuring device, and the output end of the air pipe is connected with the oxygen input end of the mask; a camera device and a lighting device are arranged above the mask, an AR optical waveguide display module is arranged on the inner side of the mask, and a talkback device is arranged on the left side of the mask; the system further comprises a controller connected with the intercom device, the camera device, the lighting device, the AR optical waveguide display module and the pressure measuring device. On the basis of the prior art, the pressure measuring device and the AR optical waveguide display module are additionally arranged, the Bluetooth master control chip in the pressure measuring device can be in Bluetooth pairing with the contr