第46卷第1期2023年2月电子器件ChineseJournalofElectronDevicesVol.46No.1Feb.2023项目来源:山东交通学院博士基金项目(BS201902063);山东交通学院教学改革研究项目(2019ZD05);教育部产学合作协同育人项目(202002018029);山东省本科教学改革研究项目面上项目(M2021030)收稿日期:2022-04-20修改日期:2022-07-23ResearchonDataAcquisitionMethodofSensorArrayBasedonMultipleDS18B20*DUGuangyue1*,LIUMeili1,ZHOUMeng2,WANGXiaohong1,WANGYue1,TIANFengshuo1(1.SchoolofRailTransportation,ShandongJiaotongUniversity,JinanShandong250357,China;2.StateGridShandongYunchengElectricPowerSupplyCompany,YunchengShandong274700,China)Abstract:AdistributedparalleldataacquisitionmethodbasedonmultipleDS18B20temperaturesensorarraysisproposed,whichsolvespoorsynchronizationproblemofsensorarraydataacquisitionformulti-pointdetectionusedintemperaturegradientsspaceonthermalphysics,meanwhileimprovesthereal-timedetectionanddetectionefficiency.ThestructureandworkingsequenceofDS18B20tempera-turesensorareanalyzedindepth.Firstly,alltemperaturesensorsinthearrayareIDmatched,andthenthetemperatureconversionisstarted,sothatthelongestprocessofthesensorcanbesynchronizedasmuchaspossible,shorteningthetimetogettemperaturedataoftheentirearray.Atthesametime,thelengthsoftimetakenfortemperatureacquisitionoftwomethodsthroughanarrayof180DS18B20sensorsarecompared.Thedistributedparalleldataacquisitionmethodtakes3.6s,whichis82.2sshorterthanthatofthetraditionalone-by-onetemperatureacquisition.ThemethodproposedimprovesthesynchronizationofdataacquisitionofmultipleDS18B20temper-aturesensorarrays,whichisofgreatsignificancetothestudyoftemperaturefieldandtemperaturegradientmodelinspace.Keywords:DS18B20temperaturesensor;sensorarray;temperaturegradient;dataacquisitionEEACC:7210Gdoi:10.3969/j.issn.1005-9490.2023.01.003基于多DS18B20传感器阵列的数据采集方法研究*杜光月1*,刘美丽1,周蒙2,王晓红1,王越1,田丰硕1(1.山东交通学院轨道交通学院,山东济南250357;2.国网山东郓城县供电公司,山东郓城274700)摘要:提出了一种基于多DS18...