Oxygen producing apparatus

The utility model discloses an oxygen generator for oxygen treatment, oxygen healthcare and air delivery, machine body structure of which comprises an integrated structure of electrolyzer body, an oxygen liquid releaser, a hydrogen liquid releaser, an oxygen washer, a hydrogen washer, a dehydrogenation device and a dampening machine. The electrolyzer body inside is equipped with an electrolysis unit with two separate electrodes, an oxygen delivery pipe and a hydrogen delivery pipe, a returning pipe and a diaphragm cloth. Division-boards and semiconductor refrigerators are provided between the oxygen liquid releaser, the hydrogen liquid releaser and the oxygen washer and the hydrogen washer. An oxygen-side siphon-proof pipe is provided in the oxygen washer and the oxygen liquid releaser; a hydrogen-side siphon-proof pipe is provided in the hydrogen washer and the hydrogen liquid releaser. Both the oxygen washer and the hydrogen washer are equipped with vent coil and nozzle for condensation, air chambers above which are fitted with equilibrators. Safety switches are connected with the hydrogen and oxygen outlet pipes. The utility model of gas generator has advantages of compact structure, small volume and high oxygen generation purity, for which the gas generator can be widely used in hospitals, households, automobiles and etc.