基于单片机的智能车载酒精检测及控制系统设计  

Design of Intelligent On-board Alcohol Detection and Control System Based on Single-chip Microcomputer

作　　者：陈志强 祁遇时 常凯乐 杨星鹭 刘俊清 CHEN Zhiqiang;QI Yushi;CHANG Kaile;YANG Xinglu;LIU Junqing(School of Automation,Shenyang Institute of Engineering,Shenyang110136,Liaoning Province)

机构地区：[1]沈阳工程学院自动化学院,辽宁沈阳110136

出　　处：《沈阳工程学院学报(自然科学版)》2025年第2期78-83,共6页Journal of Shenyang Institute of Engineering:Natural Science

基　　金：沈阳工程学院大学生创新创业项目(X2022116320135,X202311632129)。

摘　　要：近些年国内机动车数量持续增长,带来便捷的同时也产生了一些弊端,其中,酒后驾驶是最常见也是发生事故率最高的一种现象。针对此问题,设计一种基于单片机的车载式酒精检测系统及检测仪,该系统以STC89C52为核心,利用MQ-3酒精气敏传感器模块,使用AD转换芯片实时检测驾驶员呼出气体中酒精的浓度。当呼出气体中酒精含量超过阈值时,系统会自动报警并进行车辆制动,有效地解决了酒后驾车的问题。该检测仪相较于市面上的手持式吹气酒精检测仪更加轻便,具有很强的实用性。In recent years,the number of domestic motor vehicles has continued to grow,which has brought us convenience as well as some drawbacks.Among them,drunk driving is the most common phenomenon with the highest accident rate.Based on the above reasons,a vehicle mounted alcohol detector based on SCM is designed.The system takes STC89C52 as the core,uses MQ-3 alcohol gas sensor module,and uses AD conversion chip to detect the concentration of alcohol in the driver's exhaled gas in real time.When the alcohol content in the exhaled gas exceeds the threshold value,the system will automatically alarm and brake the vehicle,effectively solving the problem of drunk driving.In addition,this product is more portable and practical than the hand-held blowing alcohol detector on the market.

关 键 词：车载式酒精检测仪 STC89C52 MQ-3酒精传感器 AD转换芯片 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]