The principle of making solar traffic sign

Solar traffic sign utility model discloses a light control solar energy traffic sign, solar traffic sign consists of a power supply device, control device and the traffic sign display device is composed of three parts, the solar traffic sign display device 1 is led traffic signs  on the surface of the state uniform provisions of traffic sign pattern reflecting film, along the traffic sign pattern contour line is provided with a plurality of holes, a plurality of light emitting diode is arranged in the hole, wherein the control device 5 comprises at least one microcomputer IC chip and a light sensor, and the power supply device control in low light to the road traffic signs  emitting diode power supply in the light cut off the power supply device and the current supply of light emitting diode. The utility model has the advantages of passive and active two display effect, can penetrate fog and the night to motor vehicle driver to clear instructions, the utility model can effectively save electric power, prolong the service life of the solar energy traffic signs.