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1、正德技術(shù)職業(yè)學(xué)院畢業(yè)設(shè)計(jì)(論文)說明書摘要隨著生活水平的提高,人們對自我財(cái)產(chǎn)的保護(hù)意識逐漸增強(qiáng),同時(shí)伴隨著現(xiàn)代科技逐步走進(jìn)人們的生活,智能家居應(yīng)運(yùn)而生。報(bào)警系統(tǒng)作為智能家居的一部分備受人們重視,而市場上的報(bào)警系統(tǒng)的設(shè)計(jì)雖日漸成熟,但依然有缺陷。本設(shè)計(jì)獨(dú)辟蹊徑,運(yùn)用加速度傳感器作為主要感知層,這樣不用限制門窗的材質(zhì),使報(bào)警系統(tǒng)更加完善。本設(shè)計(jì)針對現(xiàn)有的GSM無線網(wǎng)絡(luò),介紹了基于GSM的遠(yuǎn)程家庭智能報(bào)警系統(tǒng)的設(shè)計(jì)及實(shí)現(xiàn)方法。利用各種傳感器,如溫濕度傳感器、加速度傳感器等對家中可能出現(xiàn)的各種意外情況進(jìn)行采集,并通過組建的家中內(nèi)部無線網(wǎng)絡(luò)及時(shí)向單片
2、機(jī)進(jìn)行中斷報(bào)警。GSM模塊在單片機(jī)控制下,利用GSM網(wǎng)絡(luò),將各種報(bào)警信息通過短信的方式發(fā)送到預(yù)先設(shè)定的手機(jī)中,達(dá)到了遠(yuǎn)程無線智能報(bào)警的功能。同時(shí),本文在對加速度信號的處理上,采用新的方法,即使用加速度平均值,并設(shè)定參考點(diǎn)的思路和方法,有效避免了漏報(bào)、誤報(bào)現(xiàn)象的產(chǎn)生,是系統(tǒng)更加穩(wěn)定。經(jīng)過測試,該系統(tǒng)經(jīng)濟(jì)、可靠、穩(wěn)定性高。家庭無需為傳感器布線,具有廣泛的市場推廣價(jià)值。關(guān)鍵字:單片機(jī);加速度傳感器;溫度傳感器DHT11;GSM模塊58正德技術(shù)職業(yè)學(xué)院畢業(yè)設(shè)計(jì)(論文)說明書AbstractWiththeraisingoflivinglife,mor
3、eandmorepeoplehavethemindtoprotecttheirpossessions.Asthemodernscienceandtechnologygraduallycomeintothelifeofpeople,Intelligenthouseholdarisesatthesametime.asapartofthesmarthomeAlarmsystemhasbeengivenmuchattention.Althoughthemarketalarmsystemdesignismature,itstillhasmuchwea
4、kness.AimingattheexistingGSMwirelessnetwork,adesignandsolutionofrealizinglong-distancehouseintelligentwarningsystembasedonGSMnetworkhasbeenintroduced.DifferentkindsofcontingenciesgatheringbysensorsinhousearereportedtoMCIUintimebyinnerwirelessnetwork.GSMmodulewiththecontrol
5、ofMCUutilizestheGSMandsendthewarninginformationbyshort-messagetothebeforehandfixedtelephonenumbers,achievingthelong-distancewirelesswarningfunction.Atthesametime,weuseanewmethodtocomeupwiththeprocessingofaccelerationsignal.Weusetheaverageaccelerationandtheideasthatsetsther
6、eferencepointAftertesting,thesystempossessofeconomical、reliablehighstablequalities.Thismethodeffectivelyavoidthemistake,witchmakesthesystemmorestable.Aftertesting,thesystempossessofeconomical、reliablehighstablequalities.Furthermore,thereisnoneedwiringforsensors,sothesystem
7、hasabroadvalueofbusinesspopularity.Keywords:MCU;MMA7455;DHT11;GSMmodule58正德技術(shù)職業(yè)學(xué)院畢業(yè)設(shè)計(jì)(論文)說明書目錄1引言11.1國內(nèi)外現(xiàn)狀11.2設(shè)計(jì)目的與意義11.3系統(tǒng)結(jié)構(gòu)流程圖22硬件設(shè)計(jì)32.1傳感器的選型32.1.1MMA7455I加速度傳感器32.1.2DHT11溫度傳感器72.2PT2262/2272無線收發(fā)模塊112.3AT89S52單片機(jī)模塊132.3.1AT89S52單片機(jī)概述132.3.2AT89S52單片機(jī)的典型功能182.4GSM模塊203軟
8、件設(shè)計(jì)223.1系統(tǒng)軟件設(shè)計(jì)的總體思路223.1.1主函數(shù)軟件設(shè)計(jì)流程圖223.1.2基于C語言的程序調(diào)試233.2系統(tǒng)各功能模塊的軟件設(shè)計(jì)293.2.1溫度傳感器DHT11的軟