Compact portable oxyhydrogen generator

A compact portable oxyhydrogen generator, comprising a housing, an end cover fastened to an upper end of the housing for discharging gas, and a bottom cover fastened to a lower end of the housing,

• wherein a battery module for supplying power, an electrolytic cell module for generating a gas mixture comprising hydrogen and oxygen, a water filtration cell for filtering water in the gas mixture from the electrolytic cell module, and a multi-stage filter for further filtering water in the gas mixture from the water filtration cell are sequentially arranged in the housing from bottom to top,
• wherein a flame retardant core is provided between the multi-stage filter and a gas outlet disposed in the end cover,
• wherein the multi-stage filter comprises at least a first-stage baffle and a second-stage baffle, the multi-stage filter is disposed in a cavity formed between the end cover and the water filtration cell, and a middle part of the water filtration cell is provided with a hollow raised portion, the first-stage baffle is a disc having through hole in the center thereof connected to the hollow raised portion in the water filtration cell, and a side of the disc facing the water filtration cell is provided with a plurality of auxiliary baffles,
• wherein the second-stage filter baffle has a plurality of perforated disc with a plurality of air holes, and the plurality of perforated discs are staggered to form a filter structure, and
• wherein the hollow raised portion in the water filtration cell, the through hole in the first-stage baffle, the plurality of air holes in the second-stage baffle, and the gas outlet in the end cover form a passage for the gas mixture.