【正文】 erve the temperature and smoke concentration of the monitoring points by the monitoring of the advantages of simple structure,stable performance,convenient application and low cost,the system would have a certain practical value. Key words:monitor,PC, MCU, sensor IV 目 錄 引 言 ........................................................................................................................................ 1 1 研究背景 ........................................................................................................................... 2 研究意義 ................................................................................................................. 2 研究現(xiàn)狀 ................................................................................................................. 2 本文的主要內(nèi)容 ................................................................................................... 3 2 方案論證 ........................................................................................................................... 4 設(shè)計(jì)要求 ................................................................................................................. 4 方案設(shè)計(jì) ................................................................................................................. 4 方案選 擇 ................................................................................................................. 5 3 硬件設(shè)計(jì) ........................................................................................................................... 6 單片機(jī)最小系統(tǒng) ................................................................................................... 6 電源供電模塊 ............................................................................................ 7 晶振電路 ...................................................................................................... 7 復(fù)位電路 ...................................................................................................... 8 信號(hào)采集電路 ........................................................................................................ 9 溫度采集電路 ............................................................................................ 9 煙霧采集電路及 AD 轉(zhuǎn)換 ...................................................................... 11 顯示電路 ................................................................................................................13 報(bào)警電路 ................................................................................................................14 鍵盤電路 ................................................................................................................14 無(wú)線收發(fā)電路 .......................................................................................................14 4 軟件設(shè)計(jì) ..........................................................................................................................16 主程序設(shè)計(jì) ............................................................................................................16 初始化程序設(shè)計(jì) ..................................................................................................17 數(shù)據(jù)采集程序設(shè)計(jì) ..............................................................................................17 按鍵控制程序設(shè)計(jì) ..............................................................................................18 報(bào)警程序設(shè)計(jì) .......................................................................................................19 上位機(jī)軟件設(shè)計(jì) ..................................................................................................19 5 系統(tǒng)分析 ..........................................................................................................................20 系統(tǒng)仿真 ................................................................................................................20 硬件測(cè)試 ................................................................................................................21 功能分析 ................................................................................................................23 結(jié)束語(yǔ) ....................................................................................................................................24 V 致 謝 .......................................................................................................................................25 參考文獻(xiàn) ...............................................................................................................................26 附錄 A 外文文獻(xiàn)原文 .....................................................................................................27 附錄 B 外文文獻(xiàn)譯文 .....................................................................................................33 附錄 C 部分程序清單 .....................................................................................................38 附錄 D 元器件清單 ..........................................................................................................41 附錄 E 實(shí)物圖 ....................................................................................................................42 陜西理工學(xué)院畢業(yè)設(shè)計(jì) 第 1 頁(yè) 共 42 頁(yè) 引 言 自古以來(lái)農(nóng)民就有焚燒秸稈的習(xí)慣，只是近些年焚燒秸稈才被“證實(shí)”為霧霾天形成原因，雖然霧霾天并不總是在秸稈焚燒時(shí)才出現(xiàn)，將其拿出來(lái)做“擋箭牌”有點(diǎn)難以服眾，但事實(shí)上，焚燒秸稈確實(shí)會(huì)讓空氣質(zhì)量下降。 指 導(dǎo) 教 師 系 (教 研 室 ) 系 (教研室 )主任簽名 批準(zhǔn)日期 接受論文 (設(shè)計(jì) )任務(wù)開始執(zhí)行日期 學(xué)生簽名 II 秸稈禁燒無(wú)線監(jiān)測(cè)系統(tǒng)的設(shè)計(jì)及實(shí)現(xiàn) 張 帥 （陜西理工學(xué)院物理與電信工程學(xué)院通信 1102 班，陜西 漢中 723000） 指導(dǎo)教 師：張文麗 [摘要 ]農(nóng)田秸稈禁燒無(wú)線監(jiān)測(cè)系統(tǒng)是實(shí)現(xiàn)農(nóng)田及農(nóng)村信息無(wú)線監(jiān)測(cè)、無(wú)人值守，有效并且可靠管理的重要組成部分，是推動(dòng)農(nóng)田及農(nóng)村智能化管理的重要步驟，具有較大的應(yīng)用價(jià)值。 畢 業(yè) 論 文 ﹙設(shè) 計(jì)﹚ 題 目 秸稈禁燒無(wú)線監(jiān)測(cè)系統(tǒng)的設(shè)計(jì)及實(shí)現(xiàn) I 畢業(yè)論文 ﹙ 設(shè)計(jì) ﹚ 任務(wù)書 院 (系 ) 物理與電信