The present invention discloses an intelligent traffic signal failure detection circuit, and relates to the traffic control system field. The intelligent traffic signal failure detection circuit comprises the signal lamps of red, yellow and green colors, three detection unit circuits connected with the signal lamps of the red, yellow and green colors respectively, a microcontroller connected with the three detection unit circuits, and a standby signal lamp unit and a power supply monitoring unit which are connected with the microcontroller. The power supply monitoring unit is connected with an external power supply for supplying power to the signal lamps of the red, yellow and green colors, and the microcontroller is connected with a power supply input wire for supplying power to the signal lamps of the red, yellow and green colors.
Intelligent traffic signal failure detection circuit
18.11.2015
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
Lamp control board circuit of intelligent traffic signal controller
Europäisches Patentamt | 2020
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