Electrochemical oxygen generator

The utility model relates to a oxygen making device, in particular to an electric chemistry oxygen making device adopting electric chemistry method to make oxygen, which comprises an oxygen making flute, a sealed bin for placing the oxygen making flute, a direct current power connected with the oxygen making flute, a cooling flute connected with an air liquid outlet tube and a solvent inlet tube of the oxygen making flute, as well as a semi-conductive cooler and a humid increasing water tank connected with the cooling flute. The utility model is characterized in that: the oxygen making flute is composed of two or more oxygen making flutes in series in which each oxygen making flute is composed of an air cathode, a metal anode, a seal ring, and a functional frame; wherein the air cathode is composed of a water-proof penetrating film, a catalyzing film and a conductive net which are cold-pressed and sintered; the utility model has the advantages of simple and compact structure, convenient assembly and maintenance, low manufacturing cost, high oxygen making efficiency, and long service life.