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基于單片機的煙霧報警系統(tǒng)設(shè)計-展示頁

2024-11-20 17:22本頁面
  

【正文】 院有關(guān)保留、使用畢業(yè)設(shè)計(論文)的規(guī)定,同意學(xué)校保留并向國家有關(guān)部門或機構(gòu)呈交設(shè)計(論文)的復(fù)印件和電子版,允許設(shè)計(論文)被查閱和借閱。對本人的設(shè)計作出重要貢獻的個人或集體,均已在文中以明確方式表明。 華東交通大學(xué)理工學(xué)院 East China jiaotong university institute of technology 本科生 畢業(yè)設(shè)計 (論文 ) Undergraduate graduation design (paper) (2020—— 2020 年 ) 題 目: 基于單片機的煙霧報警系統(tǒng)設(shè)計 分 院: 電 信 分 院 專 業(yè): 10 通信工程 班 級: 2班 學(xué) 號: 20200210420236 姓 名: 徐 福 指導(dǎo)教師: 張 躍 進 起訖日期: 華東交通大學(xué)理工學(xué)院畢業(yè) 設(shè)計 華東交通大學(xué)理工學(xué)院 畢業(yè) 設(shè)計(論文)原創(chuàng)性申明 本人鄭重申明:所呈交的畢業(yè)設(shè)計(論文)是本人在導(dǎo)師細心指導(dǎo)下獨立完成的研究和探索工作中所獲得的設(shè)計成果。設(shè)計(論文)中所涉及到他人的文獻、數(shù)據(jù)、圖片、材料,均已在設(shè)計(論文)中特別加以標注引用,此外,本設(shè)計(論文)杜絕任何其他個人或集體已經(jīng)在網(wǎng)上發(fā)表或撰寫的成果作品。本人完全意識到本申明的法律后果由本人承擔。本人授權(quán)華東交通大學(xué)理工學(xué)院可以將本設(shè)計(論文)的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進行檢索,可以采用影印、縮印或掃描等復(fù)制手段保存和匯編畢業(yè)設(shè)計(論文)。所以,煙霧報警裝置成為了更多家庭的必備需求,煙霧報警器才得以延續(xù)發(fā)展,報警器在現(xiàn)場煙霧突變方面發(fā)揮著很大的作用,其中,聲光報警器更是實際應(yīng)用中的佼佼者。 本設(shè)計是主要由氣體敏感元件接收數(shù)據(jù),采用單片機為主要控制的核心 ,也提高了數(shù)據(jù)處理和分配處理等操作。 MQ2 型氣體敏感元件屬于氣體傳感器 ,將氣體 (濃度 )轉(zhuǎn)換為電壓或電流信號 ,然后由 A/D 轉(zhuǎn)換模塊轉(zhuǎn)換出電信號 ,傳送到STC89C52 單片機完成數(shù)據(jù)處理和分布處理等操作。 STC89C52 單片機的特點是低功耗 ,有 4 KB在線可編程內(nèi)存控制器 ,應(yīng)用程序及其普遍 ,其優(yōu)點是可以同時訪問多個內(nèi)存 ,內(nèi)容廣泛 ,價格實惠 ,編程非常靈活 ,結(jié)構(gòu)簡單 ,非常適合報警系統(tǒng)的安全防 范。 關(guān)鍵字 : 氣體敏感元件 STC89C52 單片機 煙霧報警系統(tǒng) A/D 轉(zhuǎn)換 徐福 _基于 單片機 的煙霧 報警系統(tǒng)設(shè)計 Abstract The continuous development of electronic technology, the furniture of electrification constantly increasing, the fire hazard scope expands unceasingly, has brought people great fear and trauma. Smoke alarm device, therefore, bee the prerequisites for more families, smoke alarm to the continuation of the development of alarm plays a great advantage in the smoke alarm, and sound and light alarm is the most famous of these. The alarm of fire burst damage had a very good control, to ensure the social economy and property of unnecessary loss. This design is mainly posed of gas sensitive element receives the data,Through the single chip microputer as main control core,and also improves the processing operations such as data processing and distribution. According to the design plan and cost factors, choose the MQ 2 gas sensitive element and STC89C52 singlechip microputer bined with the design. MQ 2 type gas sensitive element belongs to the gas sensor, the gas is converted to A voltage or current signal (concentration), and then convert the electrical signals by A/D conversion module, transferred to STC89C52 singlechip microputer data processing and processing operations such as assigned. MQ 2 type semiconductor gas sensitive element used in the smoke alarm system is characteristic of high sensitivity, fast response, antiinterference performance is good. And is reasonable of the price, it has the advantage of fast installation and no probe resistive poisoning cases, easy to maintain. STC89C52 singlechip microputer is characterized by low power consumption, there are 4 KB online programmable memory controller, its mon and the application, its advantage is that can access multiple memory at the same time, the content is widespread, affordable, programming is very flexible, simple structure, very good suitable for security alarm system. In brief the design s ystem is mainly used in residential area, puter office, and other small fire prevention office, the system design simple, it’s not easy to change, convenient, affordable, the application of modern safety has very high value. Keyword: Gas sensitive eleme nt STC89C52 singlechip microputer The smoke alarm system A/D conversion華東交通大學(xué)理工學(xué)院畢業(yè) 設(shè)計 III 目 錄 摘 要 .......................................................... I Abstract ....................................................... II 目 錄 ........................................................ III 1 緒論 .......................................................... 1 課題研究背景 .................................................. 1 課題研究目的和意義 ........................................... 1 國內(nèi)外研究概況 ................................................ 1 論文主要研究內(nèi)容 .............................................. 2 2 系統(tǒng)相關(guān)技術(shù)的分析 ............................................ 3 STC89C52 的功能及引腳作用 .................................... 3 STC89C52 的應(yīng)用 ............................................... 4 時鐘電路 ................................................ 5 復(fù)位電路 ................................................ 5 STC89C52 中斷的技術(shù) ..................................... 6 MQ2 傳感器的特性與結(jié)構(gòu) ....................................... 7 ADC0809 引腳作用與工作原理 ................................... 8 ADC0809 的應(yīng)用 ................................................ 9 本章小結(jié) ..................................................... 10 3 系統(tǒng)需求分 析 ................................................. 11 系統(tǒng)背景 ..................................................... 11 系統(tǒng)用戶需求 ................................................. 11 系統(tǒng)功能需求 ................................................. 12 系統(tǒng)非功能需求 ............................................... 12 本章小結(jié) ..................................................... 12 4 煙霧報警系統(tǒng)的設(shè)計 ........................................... 13 系統(tǒng)設(shè)計原理和目標 .......................................... 13
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