智能抽油烟机系统设计.doc
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- 智能 抽油烟机 系统 设计
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1、摘 要本次设计的抽油烟机不仅具备基本的抽油烟功能,而且还能根据厨房在烧菜做饭过程中产生的烟气温度高,而泄露的燃气温度低的特点,采取不同的传感器件,即对温度高、污染大的烟气采用热敏电阻检测,而温度低但危险大的燃气采用气敏传感器检测,当厨房可燃有害气体达到一定浓度的值时,经传感器进入单片机分析,使电机电路自动启动并发出声音报警,吸油烟机迅速将有害气体抽走。本设计设有定时功能,可对抽油烟机进行工作时长的设定。论文的硬件部分主要设计了油烟机的烟气、燃气检测模块,按键输入模块,定时显示模块,执行电路模块等,系统软件部分主要是对各模块的流程做了详细的分析,如控制主程序、中断按键扫描子程序、显示子程序,中断
2、报警服务程序等,以此从而实现抽油烟机自动控制功能。本次设计的抽油烟机主要靠单片机进行控制,通过软件设计来自动控制抽油烟机的开关,所以相对于普通的抽油烟机来说,根据其自动检测功能,具有灵活性比较好,功耗低,便于操作等特点。关键词:单片机;抽油烟机;检测;自动控制。 AbstractThis design not only has the lampblack machine basic switch function, but also under the kitchen cooking in the cooking high temperature of the flue gas generat
3、ed in the process, due to leakage of gas temperature is low, take different sensors, namely to high temperature, flue gas pollution of the thermistor, and low temperature but are at greater risk of gas by gas sensors to detect, when the reach the kitchen right eye or poisonous and combustible gas co
4、ncentration value, the sensor into the chip analysis, motor circuit start automatically and alarm will sound, the hood rapidly harmful gases pumped away. This design is provided with a timing function, can set the long range hoods work. The hardware part of the main design of the hood of flue gas, g
5、as detection module, key input module, timer display module, the execution circuit module, system software is mainly the process of every module made detailed analysis and control of the main program, interrupt sub program scan button, display subroutine, alarm interrupt service program, in order to
6、 achieve lampblack machine automatic control function.The design of the lampblack machine is mainly by single-chip microcomputer control, through the software design to automatic smoke lampblack machine switch, so compared with ordinary smoke lampblack machine is, according to the automatic detectio
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