Automatic paper feeding mechanism of aerosol monitoring unit

The utility model relates to the field of radioactive aerosol radiation monitoring, and discloses an automatic paper feeding mechanism of an aerosol monitoring unit. The utility model provides an aerosol monitoring unit automatic paper feeding mechanism which comprises a support and an end cover movably connected with the support, and further comprises a filter paper roll arranged between the support and the end cover, the filter paper roll comprises a winding drum and filter paper wound on the winding drum, and the end cover is fixedly connected with the winding drum in the circumferential direction; the filter further comprises a transmission seat and a power device fixedly connected with the transmission seat, a driving shaft is arranged on the transmission seat, one end of the driving shaft is fixedly connected with an output shaft of the power device, the other end of the driving shaft is fixedly connected with the end cover in the circumferential direction, and the power device transmits force through t