濕度傳感器測試系統(tǒng).pdf

1、哈爾濱工程大學碩士學位論文濕度傳感器測試系統(tǒng)姓名：秦永和申請學位級別：碩士專業(yè)：電子與信息工程指導教師：顧國昌20030201哈爾濱工程大學硼士學位論文AbstractAkhumidityiscloselyrelatedtomankind，People’Sdailyl潦andproducingactivitiesaswellasthegrowthandexistencearecloselylinkedwitht11ehumidityof

2、environment。WiththedevelopmentofscienceandtechnologytheneedofhtmfiditysensorisincreasingAtpresent，humiditysensorhasbeenwidelyusedinmanyfields，suchasmeteorologyfanningandforestrychemicalfibertextileindustry稻醛in&stryelectr

3、icalhouseholdappliancesandSOonOfallhumiditysensorspolymercapacitancehumiditysensoriSoftenusedandhasbeenwidelyusedinscientificresearch、producingandmanyotherfields。Howeverbecauseofthelimitationofmanufacturingtechnologyandt

4、hewiderscatteringofcharacteristic，thissensor’scharacteristicmustbetestedandscreenedintheprocessofmanufacture，whichdependsonalotofexami癟玨gwork，Polymercapacitancehumiditywhichisoneofnationalengineeringitemsof“eightfive”its

5、environmentalexperimenthadbeendoneandfailurecriterionandfailuremode!hadbeenworkout，andtheexperimentmethodofscreeningresearchaccordingtothelowreliabilityhadbeendoneallofthesehadreachedaratherhi螃level。Thereisamajorlimitati

6、onformanufacture，alltechnologyandqualityindexeswhichdeterminedthequalityperformanceoftheproductionmustbegivenWithoutthesetheproductionwillnotbeapprovedSofarexaminingworkcanbedonebytheprecisionelectricbridgeanddatalogging

7、anddataprocessingisdonebyhand，allofthesecausethelowefficiencyoftheexaminingworkSotestingworkisabigproblemthataffectsthequa鞋1yofproduetionandtheoutputThecurrentresearchtopiciSoneofnationalengineeringiternsof“ninefive”Nowa

8、newhumiditysensortestingsystemwhichhasbeenresearchedandproducedtosettlethisproblemThi8systemmanagestosimultaneouslytestmorethan200humiditysensorsandgivethecapacitancevaluesandQValues，whileincreaSingthetestspeed，thetestpr

9、ecisionhasreachedthesameleveiofprecisionelectricbridgeThiSsystemCallmeettheneedofalotofproductiontestsandofferaeffectivemediumtoimprovethemanufacturingtechnologyofhumiditySensorKeywords：humiditysensorpolymercapacitancehu