Solar traffic signal lamps

The invention discloses solar traffic signal lamps comprising one, two or three sign board units, a controller, a bottom plate, a vertical column fixed to the bottom plate, a top plate fixed to the top of the vertical column, and signal lamp caps fixed to the top plate. The vertical column has a rectangular cross section and includes a first plate, a second plate, a third plate, and a fourth plate. The first plate and the second plate are opposite to each other. The first plate has a first mounting position, a second mounting position and a third mounting position arranged from bottom to top.The first, second and third mounting positions can be mounted on the sign board unit. The solar traffic signal lamps can be provided with a plurality of sign board units, is powered by solar energy, and has a good nighttime indication effect. 本发明公开了种太阳能交通信号灯，包括指示牌单元、控制器、底板、固定于底板上的立柱、固定于立柱顶端的顶板和固定于顶板上的信号灯灯头，所述指示牌单元有个、两个或三个，所述立柱的截面为矩形，所述立柱包括第板、第二板、第三板和第四板，所述第板和第二板相对，所述第板处具有从下到上排列的第安装位、第二安装位和第三安装位，所述第、二、三安装位均能够安装所述指示牌单元。本发明的