OXYGEN SUPPLY APPARATUS FOR EXHIBITING MORE IMPROVED OXYGEN SUPPLY EFFICIENCY CAPABLE OF CONTROLLING PRESSURE OF OXYGEN FROM OXYGEN TANK

摘要

PURPOSE: An oxygen supply apparatus is provided to adjust the pressure of oxygen supplied from an oxygen tank and supply oxygen by increasing a pressure higher than the pressure of oxygen supplied from the oxygen tank. CONSTITUTION: The apparatus comprises: a main body; at least one oxygen tank(200) built on the main body; a pump(223) for pumping oxygen supplied to the oxygen tank; a pumping control unit(221,222) for controlling the pumping power of the pump; a first oxygen supply unit(210) branched between the oxygen tank and the pump and supplying oxygen at a pressure having a first predetermined range; and a second oxygen supply unit(220) pressurized from the pump and supplying oxygen at a pressure having a second predetermined range higher than the first predetermined range.