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随着路面车流量不断增加,酒驾造成的交通事故频发,严重危害了道路交通安全和人民生命财产安全。检测司机口中气体浓度判断其醉酒程度,现在大都使用LCD显示的呼气式酒精测试仪,即时测得并显示酒精浓度值,并作为判断酒驾与否的依据。创新项目对酒精浓度传感器采集的信号进行预处理并由单片机判断实现声光报警,方便简化了测试操作流程,从而提高了学生创业就业能力。
With the continuous increase of traffic volume on the road, frequent traffic accidents caused by drunk driving have seriously endangered road traffic safety and people’s lives and property. Detect the concentration of gas in the driver’s mouth to determine the degree of drunk, and now most of the use of LCD display breath alcohol tester, real-time measurement and display the alcohol concentration value, and as a basis for judging the drunk driving or not. Innovative project pretreatment of the signal collected by the alcohol concentration sensor and sound and light alarm by the single chip to judge, simplifying the test operation flow, thereby enhancing the students’ entrepreneurial employability.