【应用】北醒激光雷达触发摄像头区分车型方案，从而实现精准、高效的ETC收费

时间： 2021-01-07 来源：北醒

技术问答

为缓解收费站口拥堵情况，交通运输部采用ETC自动不停车收费的方式，节省车上人员时间，缓解交通压力，由于车型不同，收费标准不同，故ETC收费需要有区分车型功能，北醒激光雷达触发摄像头区分车型方案，精准判断车轴车型，避免因车距过小遗漏收费、恶意换卡片逃避过高路费等情况的发生，从而实现精准、高效的ETC收费。

安装方式：

在收费站路口侧边安装2-3台单点激光雷达，斜向下探测指定区域。如图1所示，安装高度可设置在1.3-1.5m，在水平方向距离路中间2m，要实现覆盖路中间36*36cm的范围，可通过三台TFmini Plus产品水平方向安装，倾斜向下探测角度a约为35°。

方案优势：
1、FOV小，探测精准，误报率低
2、靠近道路一侧安装，安装方便，降低施工难度及施工成本
3、单点激光雷达方案，高性价比，产品成本低

应用产品：

TFmini Plus 12m IP65防护激光测距模组 TFmini-S 12m高性价比激光测距模组

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