Patent ID: 8113009

Claim:
An electronic device cooling system comprising: at least one cabinet that is opened at the front and rear sides thereof and in which a plurality of electronic devices each having a fan are mounted; a rear door disposed at a rear opening side of the cabinet so that air can flow through the rear door; an evaporator that constitutes a refrigeration cycle and is provided to the rear door, wherein air blown by the fan is cooled by the evaporator of the rear door and returned to a room, wherein refrigerant pipes connected to the evaporator are collectively disposed at a hinge side, a drain pan for receiving drain water dropped from the evaporator is provided below the evaporator, the drain pan is provided with an extension portion extending to the hinge side of the rear door and the extension portion is provided with a hole portion through which the refrigerant pipes penetrate and a drain hose connection port to which a drain hose for discharging drain water stocked in the drain pan to the outside of the apparatus is connected.