Heating and dehumidifying module of beta ray particulate matter monitor

The utility model discloses a heating dehumidification module of a Beta ray particulate matter monitor, which comprises an outer sleeve and a heating pipe arranged in the outer sleeve, the outer sleeve comprises a connecting pipe and an outer shell, the diameters of the connecting pipe and the outer shell are sequentially increased, the top end of the connecting pipe is communicated with a cutter of the particulate matter monitor, and the bottom end of the connecting pipe is connected with the top end of the outer shell. The bottom end of the shell is connected with a box body of the particulate matter monitor through a base, the top end of the heating pipe is connected with the bottom end of the connecting pipe in a sealed mode, the bottom end of the heating pipe is communicated with the interior of the box body through the base, a PTC heating piece is arranged on one side of the heating pipe, and a plurality of protruding fins are arranged on the inner wall of the heating pipe. According to the heating and