【正文】 lneerlng MonitoringSystemDesign Hydrometry BasedonMCU By GuoWei Wang Underthe of Supervision ProfessorLei Wang Senior CaoaoNianNlan rolngEngineernoHHong StateGridElectricPowerResearchInstitute 2012 March 聲明 本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本 學(xué)位論文中，除了加以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或 公布過的研究成果，也不包含我為獲得任何教育機構(gòu)的學(xué)位或?qū)W歷而使 用過的材料。 研究生簽名：況固!塹 a。對于保密 論文，按保密的有關(guān)規(guī)定和程序處理。受季風(fēng)氣候影響，我國大部分地區(qū)夏季濕 熱多雨、雨熱同期，不僅短歷時、高強度的局地暴雨頻繁發(fā)生，而且長歷時、大范圍 的全流域降雨也時有發(fā)生，幾乎每年都會發(fā)生不同程度的洪澇災(zāi)害。 本次設(shè)計以AT89C51芯片為核心，輔以相關(guān)的外圍電路，設(shè)計了以單片機為核 心的水情監(jiān)測系統(tǒng)。在硬件方面，除了單片機外，采用 to SDI．12總線來連接多個傳感器，通過TDC40 SDI．12RS232轉(zhuǎn)換器 將傳感器采 集到的水情數(shù)據(jù)發(fā)送到單片機PO口，單片機通過FLASH存儲實時數(shù)據(jù)，亦可通過 PSTN、GSM、北斗衛(wèi)星、海事衛(wèi)星等通信信道將采集到的水情數(shù)據(jù)傳輸?shù)街行恼?。通過對單片機程序設(shè)計實現(xiàn)對水情監(jiān)測系統(tǒng)的整個 水情數(shù)據(jù)的采集、存儲和傳輸程序進行監(jiān)測、判斷和控制以及人機交換。 關(guān)鍵詞：單片機、SDI．1數(shù)據(jù)采集、水情監(jiān)測 Abstract 工程碩士論文 Abstract rainandflood Chinaislocatedinthemonsoonclimatezoneandtorrential often our is andmorein thismonsoon of hotwet rain climate，most by region happens．Affected forshort localrainstormoften also summer．Not duration,highstrength only happens，but often disaster rainin而de ofthe duration range valley誦tl】：long in ofournation謝nldegrees．Therefore，Perfect happenslargerange varying hydrological can real―time inall thecentral monitoringhelp monitoringhydrologicalregions、^唁th stationandMake andreasonablemeasuresfora of situationsto timely varietyunexpected and the causeddisasters． disastersreduce prevent damageby The usetheAT89C51 asthe witllthe core，binednecessary design chip peripheral the with51 MCUasacore．Itconsists circuits．We hydrologicalmonitoringsystem design 12V thehardwareadditionto usesSDI一12busto of DC side，in MCU，It powersupply．On connect sensors．Collected 2toRS232 thewaterlevel multiple byTDC40 SDI一1 converteO and sensordataissenttotheMCUPO．TheMCUuseFLASHtostorerealtimedata ports thecollectedwaterleveldatatothecentralstation transport through as satelliteandSOon．Onthe the channel，suchPSTN，GSM，COMPASSsatellite，maritime software useC for onthe side，we MCU，we languageprogramming．Byprogramming realize fortheentire data hydrologicalmonitoringsystem hydrological and for determineandcontrolandhuman transportproceduresmonitoring