This devise is in close contact with the mouth, nose and respiratory portion Portion is formed to be in communication with the breathing, in conjunction with the inhalation and exhalation of the user and possibly forming elongation and elastic, the body is formed in the air mixing space Coupled to the body portion of liquid oxygen storage unit for storing liquid oxygen The outlet and inlet connected to the liquid oxygen storage unit coupled to the air mixing space, starting from the top down to the liquid oxygen storage portion, based on the height of the body portion and the stretching direction leads to the air mixing space, the outlet oxygen supply tube is formed so that the ends are formed toward the ends diameter is increased A solenoid valve for selectively opening and closing the oxygen feed tube is formed in the oxygen supply tubular Air discharge pipe for communicating the space and outside air mixture is formed in the body portion Is formed on the air exhaust valve for opening and closing the electronic check tubular air discharge pipe to discharge the air in the air mixing space to the outside Is formed inside the body portion of the oxygen sensor for measuring oxygen concentration Is formed at the bottom of the inside of the body portion of the pressure sensor measures the pressure of the air mixing space controlling the opening and closing of the solenoid valve and the oxygen concentration is determined to be located within a predetermined appropriate range in which the oxygen sensor, in the pressure sensor the measured pressure is higher than the reference value, the check valve can be provided an electronic portable respirator comprising a controller to open.본 고안은 코와 입에 밀착되는 호흡부 상기 호흡부와 연통되게 형성되며, 사용자의 들숨과 날숨에 연동하여 신장 및 신축 가능하게 형성되고, 내부에 공기혼합공간이 형성된 몸체부 상기 몸체부에 결합되어 액체산소를 저장하는 액체산소저장부 유입구가 상기 액체산소저장부와 연결되고 유출구가 상기 공기혼합공간에 연결되며, 상기 액체산소저장부의 상부에서 시작하여 상기 몸체부의 신장 및 신축 방향을 기준으로 하향하여 상기 공기혼합공간까지 이어지고, 상기 유출구가 형성된 단부는 끝 단으로 갈수록 직경이 커지도록 형성되는 산소공급관 상기 산소공급관상
