Municipal novel well lid protective device

The invention relates to the technical field of municipal underground engineering inspection well ground equipment, in particular to a municipal novel well lid protective device. The municipal novel well lid protective device comprises a lid seat fixed to a road, a well lid hinged to the lid seat, an illumination unit, a self-locking unit and a monitoring warning unit, wherein the illumination unit, the self-locking unit and the monitoring warning unit are arranged on the well lid and/or the lid seat; the illumination unit comprises an induction illumination lamp arranged at the bottom of the well lid, a solar substrate arranged at the top of the well lid, solar cells arranged on the solar substrate, a storage battery arranged in the well lid and electrically connected with the solar cells, and an inverter arranged in the well lid, wherein one end of the inverter is electrically connected with the storage battery, and the other end of the inverter is electrically connected with the induction illumination lamp