Natural light and solar lighting and ventilating system for urban underground roads and highway tunnels

The utility model discloses a natural light and solar lighting and ventilating system for urban underground roads and highway tunnels, which is characterized in that a lighting cover in a natural light lighting structure is made of transparent materials and is arranged outside the urban underground roads and the highway tunnels, a diffuser is arranged inside the urban underground roads and the highway tunnels, and the lighting cover is communicated with the diffuser through a light guide pipe. The light modulator is arranged in the light channel; the dimmer is of a V-shaped included angle structure, the V shape is formed by hinging two arc-shaped plates, a micromotor is arranged at the hinged position, an output shaft of the micromotor is connected with the bottoms of the arc-shaped plates, the output shaft of the micromotor rotates to enable the arc-shaped plates to rotate, and the included angle of the V shape is changed. The solar lighting system has the advantages that the light guide pipe lighting and li