The invention relates to the technical field of traffic lights, in particular to a traffic light system and a lamp bead fault detection method thereof. The traffic light system comprises a signal control machine and a traffic light group. The signal control machine comprises a master control chip, a driving board and a power line carrier main module, the power line carrier main module and the driving board are both electrically connected with the input power supply, and the power line carrier main module and the driving board are both electrically connected with the master control chip; the traffic light group comprises a light group controller and a plurality of light panels used for displaying different colors. The lamp group controller comprises a main control chip and a power line carrier slave module, the driving plate and the main control chip are electrically connected with the power line carrier slave module, and the main control chip is electrically connected with the driving plate; the lamp panel comprises a slave control chip, a lamp bead and a driving chip with open circuit detection, the driving board and the main control chip are electrically connected with the slave control chip, the slave control chip is electrically connected with the driving chip, and the driving chip is electrically connected with the lamp bead. Which lamp bead breaks down and the position of the lamp bead can be accurately detected.
本发明涉及交通灯技术领域,尤其是一种交通灯系统及其灯珠故障检测方法,交通灯系统包括信号控制机与交通灯组;信号控制机包括总控芯片、驱动板与电力载波主模块,电力载波主模块与驱动板均与输入电源电性连接,且电力载波主模块与驱动板均与总控芯片电性连接;交通灯组包括灯组控制器与多个用于显示不同颜色的灯盘;灯组控制器包括主控芯片与电力载波从模块,驱动板与主控芯片均与电力载波从模块电性连接,主控芯片与驱动板电性连接;灯盘包括从控芯片、灯珠与带开路检测的驱动芯片,驱动板与主控芯片均与从控芯片电性连接,从控芯片与驱动芯片电性连接,驱动芯片与灯珠电性连接。本发明能够精确检测出哪个灯珠发生故障与所在位置。
Traffic light system and lamp bead fault detection method thereof
一种交通灯系统及其灯珠故障检测方法
2021-07-13
Patent
Electronic Resource
Chinese
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