水位遙測自控系統(tǒng)設(shè)計(jì)

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1、水位遙測自控系統(tǒng)設(shè)計(jì)水位遙測自控系統(tǒng)[摘要]本系統(tǒng)以51單片機(jī)系列的STC12C5406AD單片機(jī)為主控單元，通過液壓傳感器和無線通信實(shí)現(xiàn)液位實(shí)時(shí)數(shù)據(jù)的檢測和自動(dòng)控制。系統(tǒng)分主控站與測控站，通過主控站的鍵盤可以實(shí)現(xiàn)對測控站的水位上下限的控制和顯示。主控站與測控站之間的無線實(shí)時(shí)數(shù)據(jù)傳輸?shù)慕鉀Q方案采用廣泛應(yīng)用于無線通信的SMD技術(shù)。從測控站傳送過來的數(shù)據(jù)通過人性化人機(jī)交換界面LED顯示器件實(shí)現(xiàn)數(shù)據(jù)的實(shí)時(shí)數(shù)據(jù)顯示。本系統(tǒng)通過單片機(jī)串口與電腦串口的通訊功能和利用互聯(lián)網(wǎng)可以實(shí)現(xiàn)對水庫水量的遠(yuǎn)程測量與自動(dòng)控制，這對江河水位的實(shí)時(shí)監(jiān)控非常實(shí)用。系統(tǒng)利用功能強(qiáng)大的C語言開發(fā)，并在軟硬件設(shè)計(jì)中分別使

2、用了Protel99se、keilC51開發(fā)平臺。結(jié)果表明，該系統(tǒng)具有有性價(jià)比高、操作簡便、可視化操作等優(yōu)點(diǎn).[關(guān)鍵字]：51單片機(jī)，TDL9912，TDL9921，聲表諧振器[Abstract]：Thissystem51microcontrollerfamilySTC12C5406ADSCMasmaincontrolunit,throughthehydraulicliquidlevelsensorsandwirelesscommunicationstoachievereal-timedetectionandautomaticcontrol.Thesub-masterstation

3、sandmonitoringstations,throughthemastercontrolstation'skeyboardcanbeachievedonthewaterlevelmonitoringstationsoftheupperandlowerlimitsofthecontrolanddisplay.Masterstationandthemonitoringandcontrolstationsofthewirelessreal-timedatatransmissionsolutionsarewidelyusedinwirelesscommunicationsSMDtech

4、nology.Comefromthemonitoringstationtosendthedatathroughuser-friendlyman-machineinterfaceforLEDdisplaydevicestoexchangedatainreal-timedatadisplay.Thesystem,throughthemicrocontrollerserialportserialcommunicationwithcomputerfunctionsanduseoftheInternetcanbeachievedontheremotereservoirwatermeasure

5、mentandautomaticcontrol,thisreal-timemonitoringofriverwaterlevelisveryuseful.SystemusesapowerfulClanguagedevelopment,andseparatelyinthesoftwareandhardwaredesignusingProtel99se,keilC51developmentplatform.Theresultsshowthatthesystemhasacost-effective,easytooperate,visualizeandsoon.[Keywords]:51M

6、CU,TDL9912,TDL9921,SAWresonators33水位遙測自控系統(tǒng)設(shè)計(jì)目錄1緒論31.1選題背景與意義31.2課題介紹41.3MCS-51單片機(jī)簡介41.3.1單片機(jī)的雛形41.3.2單片機(jī)的發(fā)展51.3.3單片機(jī)最小系統(tǒng)51.4Proteus仿真軟件簡介61.5Keil編譯及調(diào)試軟件簡介82硬件設(shè)計(jì)92.1系統(tǒng)原理框圖92.1.1主控站（接收機(jī)）原理框圖92.1.2測控站（測量發(fā)射機(jī)）原理框圖102.2關(guān)鍵元器件介紹102.2.1無線發(fā)送模塊TDL9912102.2.2無線接收模塊TDL9921112.2.3STC單片機(jī)簡介132.2.4P500壓力傳感器132

7、.3模塊化設(shè)計(jì)142.3.1電源設(shè)計(jì)142.3.2數(shù)據(jù)采集電路設(shè)計(jì)142.3.3數(shù)據(jù)接收電路163軟件設(shè)計(jì)173.1測控站主程序流程圖173.2傳感器測量及計(jì)算流程圖183.3主控站流程圖193.4無線發(fā)射流程圖203.5數(shù)據(jù)較準(zhǔn)及鍵值處理流程圖213.6系統(tǒng)操作說明214系統(tǒng)部分仿真214.1仿真方法214.2效果圖225總結(jié)及致謝226參考文獻(xiàn)23附錄1：整機(jī)原理圖24附錄2：程序清單2533水位遙測自控系統(tǒng)設(shè)計(jì)1緒論1.1選題背景與意義在工農(nóng)業(yè)生產(chǎn)過程中經(jīng)常需要