Signal lamp capable of detecting number of pedestrians on roadside and adjusting red light time

The utility model discloses a signal lamp capable of detecting the number of pedestrians on the roadside and adjusting the red light time, which comprises a lamp shell, a shielding supporting plate is welded and fixed on the outer side of the lamp shell, a signal lamp is connected to the outer side of the lamp shell in a penetrating manner, and camera brackets are connected to the left side and the right side of the lamp shell in a nesting manner; a collecting camera is fixed to the outer side of the camera support through a bolt, and a solar cell panel is fixed to the position over the lamp shell through a bolt. The LED lamp further comprises an instrument cover body which is arranged in the lamp shell, a cooling fan is fixed to the upper surface of the instrument cover body through bolts, and the outer side of the camera support is in shaft connection with a regulation and control motor. According to the signal lamp capable of detecting the number of pedestrians on the roadside and adjusting the red light t