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为了控制日益严重的车辆超载现象,设计了基于红外传感器的客车超载控制系统。该系统硬件电路主要由计数电路、以及喷油系统控制电路等部分组成。计数电路主要由GaAs发光二极管和PIN光敏二极管两部分组成,该种传感器电路反应速度快,可很好地满足客车计数电路要求,在客车上安装起来也比较方便,传感器工作控制电路功能是利用车门的开启和关闭来控制传感器工作。
In order to control the increasingly serious vehicle overloading, a bus overload control system based on infrared sensor was designed. The system hardware circuit mainly by the counting circuit, as well as fuel injection system control circuit and other components. Counting circuit mainly consists of GaAs LED and PIN photodiode composed of two parts, the kind of sensor circuit response speed, can meet the requirements of passenger car counting circuit, the bus is also more convenient to install, sensor control circuit function is the use of car doors On and off to control the sensor’s operation.