Quick thermal diffusivity network switch

The utility model belongs to the technical field of network equipment technique and specifically relates to a quick thermal diffusivity network switch, which comprises a housing, the internal surfaceboth ends of the inside left and right sides of casing are equipped with the backup pad respectively, a plurality of water conservancy diversion holes have been seted up in the backup pad, be equippedwith the switch subassembly between the one end that the backup pad of same horizontal plane is close to mutually, the medial surface both ends on casing upper portion are equipped with the exhaust fan, the one side on the surface at backup pad place articulates and has sealing door on the casing, the lateral surface of casing bottom is equipped with the induced duct, the inside draught fan thatis equipped with in both ends of induced duct, and induced duct upper surface middle part is equipped with a plurality of air -supply lines, and the other end of air -supply line runs through the lower extreme conch wall of cas