太陽(yáng)能干燥裝置多點(diǎn)溫濕度檢測(cè)系統(tǒng)的研究.pdf

1、分類號(hào)TP273學(xué)校代碼10129UDC621.3學(xué)號(hào)2009205036太陽(yáng)能干燥裝置多點(diǎn)溫濕度檢測(cè)系統(tǒng)的研究ResearchOnTheMeasuringsystemOfTheMultiplepointTemperatureHuityFSolarDryingequipment申請(qǐng)人：吳克勤學(xué)科門類：工學(xué)學(xué)科專業(yè)：農(nóng)業(yè)電氣化與自動(dòng)化研究方向：電子技術(shù)應(yīng)用指導(dǎo)教師：錢珊珠教授論文提交日期：二〇一二年五月ResearchOnTheMeasu

2、ringsystemOfTheMultiplepointTemperatureHuityFSolarDryingequipmentAbstractInagriculturalproductsdryingtemperaturehuitytestinghasbeenverywidespreadapplicationespeciallytemperaturehuityintheovensolarcollectaretwoveryimptant

3、factsoachievingmultipointtemperaturehuitytestingintheovensolarcollectsisanimptantfunctionfthedryingequipmentofagriculturalproducts.Departurefromthestatusofthedevelopmentofdomesticfeignagriculturalproductssolardryingdevic

4、ecombiningtheacteristicsofthecurrentlypopularonthemarkettemperaturehuitysenssIhasdesignedbasedonthesolardryingdeviceofmultipointtemperaturehuitydetectionbytheC8051F020MCUincludinghardwarecircuitdesignbetweenthesinglechip

5、peripheraldevicessensreadingwritingprogramtheLCDcycleprogramaprogramofthesinglechipwritingdatatoUdiskaswellasaprogramofaPCreadingUdiskdata.TheusercantakeaUdisktostetemperaturehuitydatatoopenbyatextfmatonaPCtoviewtemperat

6、urehuitydataindifferentlocationsatdifferenttimeperiodswithintheovencollecttodisplaythetemperaturehuitydatainrealtimeatthescene.FromtwofactsthesystemfunctionalitymaterialcostsIhasusedMCUC8051F020asthecontrolleredaDHT21dig

7、italtemperaturehuitysenstomeasuretakenSiliconAbatiesIDEcombiningKeilVsion3assoftwaredevelopmentplatfmfsystemdevelopmentusedtheC51programminglanguageutilizedCH372USBconversionchiptorealizethetemperaturehuitydataacquisitio

8、nstage.Thispaperhasdonewkasfollows:1）IhasdesignedameasuresystemoftemperaturehuityofsolarenergydryingdevicebasedonC8051F020MCUusedDHT21digitalsensstodetecttemperaturehuitywhichhasafastresponsehighreliabilityexcellentlongt

9、ermstability.2）Ihasdesignedakindofpowersupplycircuitwhichcangenerate5V3.3VDCvoltageakindofresetcircuitwhichcanrealizepoweronresetswitchresetfunctionamatrixkeyboardcircuitasoundlightalarmcircuitakindofthetemperaturehuitys