In-situ sampling structure for settling and attaching atmospheric pollutants in lake ice period

The utility model discloses an in-situ sampling structure for settlement and attachment of atmospheric pollutants in a lake ice period and a detection method. The device comprises a floating body, a plurality of outer sleeves, a plurality of sampling tubes and a heating wire mesh, the floating body comprises a floating body main body, a plurality of sleeve fixing frames, an anchor body and a plurality of sealing covers; floating body capable of floating on water surface, the anchor body is connected with the floating body; an outer sleeve is fixed on each sleeve fixing frame; an inserting groove is formed in the pipe wall of the outer sleeve; the slot is a slot body of which the upper end is opened at the top end of the outer sleeve and the lower end extends to the lower end of the outer sleeve and is a blind end; a baffle ring is arranged at the bottom end of the outer sleeve and partially shields the bottom end of a cavity of the outer sleeve, the sampling tube is a tube body with the size being a preset va