东北农业大学学士学位论文学号：基于单片机的室内安全报警系统的设计与实现Designandimplementationofindoorsafetyalarmsystembasedonsinglechipmicrocomputer学生姓名：刘洋指导老师：所在院系：成人教育学院所学专业：电气工程及其自动化研究方向：电气控制技术东北农业大学中国·哈尔滨2017年11月摘要本设计采用89S52单片机结合MQ-2传感器技术而开发设计了这一烟雾报警系统。论文中的烟雾报警器小巧轻便，适用于安装在含有爆炸性气体环境场所，还可使用于石油、化工等行业具有防爆要求的场所，可以安装在家里，也可以安装在露天、室外使用，防止和减少火灾危害，保护人身和财产安全。以89S52单片机和MQ-2烟雾传感器为核心设计的烟雾报警器可以实现烟雾报警、溶度显示、看门狗自检单片机状态功能、手动紧急报警等功能。本次设计的烟雾报警器结构简单、性能稳定、使用方便、价格便宜等优点。就有一定的使用价值。关键词：烟雾；报警器；89S52；MQ-2传感器。ABSTRACTThisdesignUSESthe89S52microcontrollercombinedwithMQ-2sensortechnologyandthedevelopmentofdesignthesmokealarmsystem.Inthepaperthesmokealarmsmallandportable,designedforinstallationincontainexplosivegasesplace,stillcanuseinpetroleum,chemicalandotherindustrieswiththerequirementsoftheexplosion-proofplace,canbeinstalledinthehome,canalsobeinstalledintheopenair,outdooruse,andpreventandreducethedangeroffireprotectionofpersonalandpropertysecurity.In89S52single-chipmicrocomputerandMQ-2smokesensorasthecoredesignofsmokealarmcanrealizesmokealarm,solubilitydisplay,manualemergencyalarmfunctions.Thedesignofthesmokealarmsimplestructure,stableperformance,easytouse,cheapprice,etc.Havesomeusevalue.Keywords:Smoke;alarmapparatus;89S52;sensor目录摘要………………………………………………………………………………………………….Abstract……………………………………………………………………………………………….1方案设计..................................................................................................................................................11.1设计任务要求.............................................................................................................................11.2整体方案设计框架....................................................................................................................12室内安全报警系统的硬件设计.........................................................................................................32.1红外传感器部分设计................................................................................................................32.1.1热释电红外传感器的工作原理...................................................................................32.1.2菲涅耳透镜.......................................................................................................................42.1.3BISS0001集成电路介绍...............................................................................................42.2温度传感器部分.........................................................................................................................52.2.1温度传感器.......................................................................................................................52.2.2温度传感器工作原理.....................................................................................................62.3烟雾传感器部分.........................................................................................................................62.4数码管部分...............