Oxygen preparation device

The utility model relates to an oxygen generating device, which at least comprises a liquid storage case, a liquid pump, an electrolytic bath, a liquid separating case, and an air-liquid separating case; wherein an air cathode, a metal anode, and electrolyte are provided in the electrolytic bath; the liquid storage case is arranged under the electrolytic bath, and communicated with the electrolytic bath; the liquid separating case is arranged on the electrolytic bath, and the liquid outlet is communicated with the electrolytic bath; the liquid inlet of the liquid pump is communicated with the electrolytic bath, and the liquid outlet is communicated with the liquid inlet of the liquid separating case; the air-liquid separating case is arranged with an oxygen inlet and an oxygen outlet, and the oxygen inlet is communicated with the oxygen outlet of the liquid separating case; an active carbon adsorption layer is arranged on the upper part of the air-liquid separating case, and the lower part is stored with water. Due to the structure, the utility model not only has simple structure, but also has the advantages that the oxygen output is large, the purify of the oxygen is high, the noise is small, the operation and the maintenance are convenient, the oxygen generating cost is low, and the operation cost is low. The utility model can create a fresh indoor air environment with enriched oxygenfor the user, or the user can insert an oxygen absorption nose-stopple to make direct oxygen absorption, and operate the oxygen treatment or the oxygen health care.