基于LED陣列的光度法水質檢測儀的研制.pdf

1、天津大學碩士學位論文基于LED陣列的光度法水質檢測儀的研制姓名：譚曉輝申請學位級別：碩士專業(yè)：生物醫(yī)學工程指導教師：孫振東20070601ABSTRACTInt11eprocessofmeasuringwaterquali饑di岱北ntcolorreact柚tSwhicharechosenaccordingt0也emeaSuredpar鋤ete硌haVediffbrentspec臼alabso印tioncharacteristicsAt

2、thecharacteristicabso印tionwaVelength，t11eabso印tionofli曲tenergydependsontllecontentofthemeaguredin伊edientSThewaterquali哆measuringsystembasedonLED黝yisdesignedaccordingt0tllesefbaturesThismeasuringsystemad叩tsspecificLED鵲t11

3、emonochromaticlightscru∽eTheSCMist11ecoreofthisins銅】mentWith血eextemalcircuitsuch舔A／Dthisins協(xié)】memc拙achieVet11econversion，processing，叩emtio璐ofthesi印al鋤dcon仃oltheins譏珊entt0display姐dprimThisinstn珊∞thadmanycharacteristicssuch

4、硒simple0pticalli曲tpam，lowpow％鋤aUVolume鋤de鵲yt0c鋤yInthisarticle，Ianalyzethewor虹ngprincipleofthewatcrql埝li夠me觴u血gins仃umentwhichisbased0ntlleLaⅡlbemBedsIaw鋤dfocusont11eLEDa玎ayb邪edponablewaterqlmli夠鋤alysisins協(xié)lmentTheorbicula

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6、l加delec刪calsi乒alusingp搬oelectrictriode，tllecompI嘶onof礎lticha皿elsi驢a1choiceus噸ADG608andthecompletionofA／DusingAD7896；⑧thecompleti∞oftlleSCMhrdwarc姐dso腳aresystenls，includingkeyboardcon仃olnng，prin血g，diSpIay0nLCD，processing弛

7、dcalculating也e咖obtailledby～DconVcrsion，鋤endiIlgthest孤dardcurveaccordingto也eneedSoftheuserdisplaying也emea嘶ngresultsonLCD柚dprinting；④e)【p洳entingonthesolutionwithstan捌concen仃ation衄dfitting也eexpe血nental‰llsinglinearre舀ession

8、孤alysis；wri血gt11es伽1dardworkingcurveinto也emeas曲gsystemby叩era吐ngt11ekeyboardTheportablew柵quali妙measuringins仇Ⅲ1entb嬲edonLEDarrayproVidesanewtes缸gmethod砌chh豁simple咖Jctureandc明achieVercaltimedetccti∞KEYWoRDS：LEDa盯ay，spec廿oph