| 摘 要: 随着当今社会经济的飞速发展与易燃材料的大量应用，所以，就有必要来研制一种结构相对简单、经济， 且实用的烟雾检测及报警系统来满足防火的需要。本系统以STC89C52单片机为基础的烟雾报警器软件设计以MQ-2气 体传感器为检测节点，系统通过检测待测区域的气体与烟雾的气体浓度，经过对相关获取信号的调整处理，数据采集到 单片机进行D/A转换处理，进行了软件设计实现，在进行测试中达到了设计预期目标，体现在当被测烟雾浓度超过预设 数值，进行报警，该系统集成度高，设计简单，可满足多种场合的烟雾报警。 |
| 关键词: STC89C52单片机；烟雾报警；仿真开发 |
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中图分类号: TP311.1
文献标识码: A
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| Design of the Smoke Alarm System Based on STC89C52 MCU |
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YU Bo，OUYANG Hongji1,2
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1.( 1.Department of Information Engineering, Henan Technical College of Construction, Zhengzhou 450007, China;2.
2.Information Engineering Department, Xianyang Normal University, Xianyang 712000, China)
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| Abstract: With a large number of applications,today's rapid social and economic development and flammable materials so it is necessary to develop a relatively simple structure,economical and practical smoke detection and alarm system to meet the needs of fire.The smoke alarm system design software based on STC89C52 MCU with MQ-2 gas sensor node,gas concentration detecting system through the area of gas and smoke,after adjustment related to the acquisition of the signal,the data acquisition to the microcontroller D/A conversion process,the software design and implementation,to achieve the design goals during the test,when the measured reflected in the smoke concentration exceeds the preset value,the alarm,the system has high integration,simple design,can meet a variety of occasions of smoke alarm. |
| Keywords: STC89C52 MCU(Micro Controller Unit);smoke alarm;simulation development |
