MACHINE CABINET

The present application discloses a machine cabinet. In one embodiment, the machine cabinet comprises a housing, and an inner chamber, a liquid working medium accommodating area, a heat exchanger and a delivery passage disposed in the housing, wherein the inner chamber is in a vacuum state and configured to accommodate electronic devices to be cooled; the liquid working medium accommodating area is configured to accommodate a liquid working medium, the liquid working medium is converted into a gas working medium to enter the heat exchanger after cooling the electronic devices to be cooled; the heat exchanger is configured to liquefy the gas working medium into a liquid working medium and guide the liquid working medium obtained by liquefying the gas working medium into the delivery passage; and the delivery passage is connected with the heat exchanger and the liquid working medium accommodating area and is configured to guide the liquid working medium obtained by liquefying the gas working medium into the liquid working medium accommodating area. The embodiment eliminates the influence of the humidity, cleanness and the like to the electronic devices due to the air circulation, and thus lengthens the service life of the electronic devices.