A PLC control cabinet for thermal treatment normalizing furnace

The utility model relates to a PLC control cabinet for thermal treatment normalizing furnace, including the switch board body, the water -cooling cooler bin of cooling water is equipped with, the outer door of the articulated area of switch board body leading flank lock, switch board body internal partitioning becomes the operational unit room that a plurality of is used for installing electronic components, and each operational unit room is the articulated internal door that has the area lock all, be equipped with an air duct in the water -cooling cooler bin, a plurality of air guide branch pipes of air duct intercommunication, the air guide branch pipe distributes in water -cooling cooler bin inside bottom, and air guide branch pipe top is equipped with air diffuser, the interior top of water -cooling cooler bin is equipped with one and separates a section of thick bamboo, separates a section of thick bamboo and water -cooling cooler bin and surrounds into a filter chamber, and the lower part is equipped with a HEPA airstrainer in the filter chamber of a section of thick bamboo, switch board body top communicates in the air duct of water -cooling cooler bin through a hot outlet duct, and cold intake pipe one end communicates that top, the other end communicate in switch board body lower part in the filter chamber. The utility model provides an interior temperature of switch board is convenient for reduce by the PLC control cabinet, and the cooling is effectual.