Novel cable trench cover plate with automatic lighting function

The utility model discloses a novel cable trench cover plate with an automatic lighting function. The cable trench cover plate comprises a frame-type base and a cover plate. Wherein the frame-type base is concave, and the cover plate is fixed at the concave part of the frame-type base; the cover plate comprises a first cover plate, a second cover plate and a third cover plate which are hinged in sequence, and the second cover plate is a transparent cover plate; the frame type base is provided with a solar cell component, a switch and a lighting component which are electrically connected in sequence. The cable trench cover plate adopts a three-section type cover plate, and the cover plates on the left side and the right side can be directly lifted, so that maintainers can conveniently entera cable trench without moving the whole cable trench cover plate; the transparent cover plate is arranged in the middle of the cable trench, the operation condition in the cable trench can be directly observed and checked, m