Dampproofing main frame

The utility model discloses a dampproofing main frame, mainframe box including sealed is provided with optical drive box and shift knob on, be provided with mainboard, hard disk, radiator fan in the mainframe box, is provided with the louvre on the mainframe box, and the activity is provided with the apron that can cover the louvre on the mainframe box, the mainframe box is connected with drying device and deoxidation device through first trachea and second trachea respectively, and drying device passes through the third trachea with the deoxidation device and connects, is provided with air exhaust device on the third trachea, drying device includes drying tube and the spheroid of setting in the drying tube, and the spheroid passes through the fourth trachea with the third trachea to be connected, and this spheroid surface distribution has the through-hole, and it has the drier to fill between drying tube and the spheroid, the deoxidation device is managed and is set up at the intraductal deoxidier of deoxidation including the deoxidation. The beneficial effects are that: can to the mainframe box bleed the dehumidification, can guarantee the insulating nature of mainframe box, long service life.