基于stm32的区域电气火灾监控设备的设计.doc
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1、 本科生毕业论文(设计) 基于stm32的区域电气火灾监控设备 的设计院系名称姓名学号专业指导教师 年4月9日摘要 随着我国生产、生活用电量的大幅增长,电气火灾事故发生率呈不断上升趋势,电气火灾已经成为严重危害人们生命和财产安全的灾害之一。如何对电气火灾进行有效监控,及早发现电气火灾隐患,避免电气火灾事故,是当前电气火灾监控领域函待解决的问题。目前,大部分的电气火灾监控系统存在数据处理能力有限,通讯效率低及通讯方式单一等缺点,导致构建系统有众多不便,这主要是因为处于监控系统中间层的区域电气火灾监控设备不具有大量数据处理能力和多方式通讯能力。本文设计了一款电气火灾监控设备,采用基于ARM内核的S
2、TM32微处理器,支持GPRS、以太网等通讯方式,具有良好的人机交互接口,可弥补同类产品缺陷,提升电气火灾监控系统的性能。本文从硬件设计和软件设计两个方面介绍了方案的实现过程。硬件设计以电气火灾监控设备架构为依据,给出各模块的硬件电路,并介绍其工作原理,同时进行性能比较。软件设计采用具有众多优点的嵌入式实时操作系统作为软件平台。在此平台上将软件划分为相应功能模块,重点介绍了四种方式通讯、LCD显示的程序设计思想和关键技术。最后介绍常用的电气火灾信号处理算法,对算法进行仿真和结果分析。 关键词:电气火灾;监控设备;STM32电气火灾;监控设备;二总线;sTM32;,c/。s一H基于STM32的区
3、域电气火灾监控设备的设计注意:关键词是反映论文主题概念的词或词组,一般可选35个,应尽量从汉语主题词表中选用。未被收录的新学科、新技术中的重要术语、地区、人物、文献等名称,也可作为关键词。按词条的外延层次从大到小排列。关键词之间中文以分号分开,英文以逗号分开,最后一个关键词后不要标点符号。29AbstractAlong with substantial growth of electricity consumption in production and life in China;the rate of electric fire incidence is rising. and elect
4、ric fire is becoming a serious disaster which is a danger to life and property safety. How to effectively monitor the electrical fire.and early detect its hazards to prevent it is a serious problem to be solved in electric fires prevention field.At present. most of alarm and control system for elect
5、ric fire prevention has limited data processing capacity, inefficient communication. leading to it has many inconveniences in building system. This is mainly because that alarm and control unit for electric fire prevention which is in the middle layer of the system is not equipped to handle large qu
6、antity of data and mufti-way communication. This paper designs an improved unit. which uses the STM32 microprocessor based on ARM-core. and supports four communication methods. such as GPRS, RS-485 bus, Two-wire bus and Ethernet, with a friendly interactive interface to compensate for the shortcomin
7、gs of similar products, and improve performance of the system.Program is implemented in two parts: hardware design and software design. According to the architecture of alarm and control unit for electric fire prevention, we design the hardware modules. and explain how they work, and compare the per
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