Battery compartment structure, vehicle-mounted device and vehicle

The invention discloses a battery compartment structure, a vehicle-mounted device and a vehicle, the battery compartment structure comprises a battery compartment, a clamping piece and a battery cover, the clamping piece is arranged in the battery compartment, the clamping piece is clamped on the side edge of a battery to limit the battery in the battery compartment, the battery cover is fixed on the battery compartment, and the battery cover is fixed on the battery compartment. The battery cover is provided with an anti-falling piece, the anti-falling piece abuts against the clamping piece and enables the clamping piece to press towards the direction of the battery, the clamping piece and the battery bin are integrally formed, the clamping piece comprises a buckle, the buckle comprises a buckle seat, a connecting part and a buckle plate, the buckle seat is arranged on the inner wall of the battery bin, the connecting part is arranged on the buckle seat, and the buckle plate is arranged on the connecting part