Design and implementation of a changeable advertising light box

Abstract

An advertisement light box capable of changing advertisements comprises a light box body, a groove is arranged in the light box body, a transparent plate is arranged at the opening of the groove, a first rotating shaft is arranged in the groove, a parallel second rotating shaft is arranged below the first rotating shaft, the first rotating shaft and the second rotating shaft are driven and connected through the first conveyor belt and the second conveyor belt, and two first clips are arranged at the upper and lower ends of the first conveyor belt, Two second clips are arranged at the upper end and the lower end of the second conveyor belt, and a connecting switch is arranged in the groove; The connection switch comprises a first conductive sheet connected to the first conveyor belt, a second conductive sheet arranged on the upper side of the groove and a third conductive sheet arranged on the lower side of the groove. The realization of this paper is to exchange the positions of the two advertising papers which are convenient for clamping, so that the two advertising papers can be displayed in different time periods.