Hydrogen generator

A hydrogen generator, comprising:

• an electrolyzer, wherein the electrolyzer comprises an anion-exchange membrane, and the electrolyzer has a first liquid inlet, a first liquid outlet, and a first gas outlet;
• an electrolyte tank, wherein the electrolyte tank has a second liquid inlet, a second liquid outlet, a filling port, and a second gas outlet, the first liquid inlet is in communication with the second liquid outlet through a pipeline, the first liquid outlet is in communication with the second liquid inlet through a pipeline, and the second gas outlet is configured to discharge oxygen;
• a gas-liquid separator, wherein the gas-liquid separator is provided with a first gas inlet, a liquid discharge outlet, and a third gas outlet, the first gas inlet is in communication with the first gas outlet through a pipeline, and the liquid discharge outlet is configured to discharge liquid separated by the gas-liquid separator;
• a purification apparatus, wherein the purification apparatus is provided with a second gas inlet and a fourth gas outlet, and the third gas outlet is in communication with the second gas inlet through a pipeline;
• and
• a housing, wherein the electrolyzer, the electrolyte tank, the gas-liquid separator, and the purification apparatus are mounted in the housing.