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摘要随着当代社会分秒不停的进步，广大民众的生活档次也在随之的提高，科技也在一往无前的发展，近几年我国的人民的吃穿住行基本上都可以达到满足，在这个条件下，我们的生活就发生的质的变化。可以想到现在的人们基本上都有车子，这样的话，势必会照成不必要的受伤，所以在安全的前提下，我们尽量做出多的预防措施来减小这种事情的发生。当代社会出行的都是汽车，因次汽车给我们造成威胁的可能性也是最大的，如何降低我们的生命安全，必须从汽车做起，大家知道每年有很多的车祸发生，大多数的车祸都是因为疏忽，而醉驾是疏忽的最关键的时候。所以如何减少醉驾使我们防止车祸的重要的组成部分就是检测我们的醉驾的问题。68700
我们国家每一年因为喝过酒之后而开车的交通事故所造成的经济上的损失和社会上的不良影响力都非常的惊人，大约有百分之五十至百分之六十的交通的车祸事件都和喝酒了之后开车相关，我们的国家早在09年的八月份的时候就开始加强了全国的各个地方的检查喝酒开车的力度，他目的也只是为了减少因为喝了酒开车而造成的恶性的交通事故，而其中，最重要的一环当然就是需要有这样的一个设备用来检测开车的人体内的酒精含量。以及这个设备使用的方便的程度和普及的程度。本次的设计研究的内容就是应用的是将我们的设计放在空气中，检测空气中的气体的酒精的含量，也可以检测我们的人类的呼吸的气体的含量。这个为我们的社会做出很大的贡献。本次的设计采用的是51单片机，传感器MQ-3作为我们的核心的检测芯片来设计的酒精浓度检测仪电子产品。
毕业论文关键词：酒精浓度传感器（MQ3）；MCU；A/D转换器；软件设计；硬件设计
Abstract
With the continuous progress of modern society, people's living standards continue to improve, technology is also in constant development in recent years, China's food and clothing can basically meet, in this condition, our lives have changed the quality. You can expect that now people basically have the car, it will be unnecessary injuries, so the safety of the premise, we try to make the occurrence of many preventive measures to reduce this kind of thing. The contemporary society is travel car, so the car will bring great danger to us, how to reduce our life safety, must start from the car, we know there are a lot of traffic accident every year, most of the accidents are because of negligence and negligence, drunk driving is the most critical time. So how to reduce drunk driving so that we can prevent traffic accident is an important part of our drunk driving problem.
In addition, China because of drunk driving caused by economic loss is quite amazing, according to the accident survey data show that about fifty percent to sixty percent of the traffic accident and the drunk. China's public security departments to strengthen the country of our country to investigate drunk driving efforts early in 2009 and August, to prevent and reduce traffic accidents caused by drunk driving, which involves the detection of alcohol content contained in the human body and the detection equipment problems.
The content of this design is to apply our design in the air, to detect the content of alcohol in the air of the air, but also to detect the content of our human breath gas. This is a great contribution to our society. The design of the use of 51 single-chip, sensor MQ-3 as our core chip to detect the concentration of alcohol detector electronic products.
Keywords: alcohol concentration sensor (MQ3); MCU; A/D converter; Software design; The hardware
目 录
1 绪论
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