透镜式色灯信号机构是以独立的灯室为载体呈现光源，每个灯室内配备不同颜色的内梯透镜玻璃用以传递不同颜色的灯光信号。透镜式色灯信号机构以其灯光的颜色、数目和亮灯状态来表示信号，指令接发车及调车作业运行。

The lens color light signal mechanism uses a separate lamp chamber as a carrier to provide light source. Each lamp chamber is equipped with lens glasses of different colors to transmit light signals of different colors. The lens type color light signal mechanism indicates the signal by its light color, number, and lighting state and instructs the receiving and departure and the shunting operations.