Transformer oil on -line monitoring preprocessing device

The utility model discloses a transformer oil on -line monitoring preprocessing device, including dehydrating unit, two at least adsorptive regeneration devices, time schedule controller, transformeroil sample detecting inputs dehydrating unit, dehydrating unit's output pass through the multi -ported valve respectively with the sample input port connection of a plurality of adsorptive regeneration devices, the sample export mouth of a plurality of adsorptive regeneration devices passes through the multi -ported valve and connects the transformer oil ONLINE CHROMATOGRAM device, and the sweeping gas siphuncle is said through the gas input port of pneumatic valve connection adsorptive regeneration device, corresponding pneumatic valve of gas input port of every adsorptive regeneration device, time schedule controller connects multi -ported valve and pneumatic valve according to time schedule control multi -ported valve and the pneumatic valve that sets up, through the oil appearance input port of the different a