The invention relates to a traffic signal lamp driving system with variable arrow patterns. The system is composed of a control unit U1, a power supply unit U2, 22 switching triodes Q1 to Q22, and three resistors R1 to R3. 16 controllable bus driving pins, 3 controllable power supply output pins, an RS485/RS422 communication interface, and a power supply input interface are provided; the system can communicate with an upper computer through an RS485/RS422 communication interface, and can drive three traffic signal lamps with variable block combination arrow patterns at the same time.
本发明是箭头图案可变的交通信号灯驱动系统,其由1个控制单元U1、1个电源单元U2、22个开关三极管Q1到Q22、3个电阻R1到R3组成,共有16个可控制的总线驱动引脚、3个可控制的电源输出引脚、1个RS485/RS422通信接口、1个电源输入接口,可通过RS485/RS422通信接口与上位机进行通信,可同时驱动图块组合箭头图案可变型的交通信号灯三个。
Traffic signal lamp driving system with variable block combination arrow patterns
图块组合箭头图案可变的交通信号灯驱动系统
2020-07-14
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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