搜索
河南理工大学毕业设计（论文）说明书1PresentedinthispaperisadesignofpulsemeasuringinstrumentbasedonMCU,asthecircuitmoduleplaysanimportantroleinthesystem,suchasheartrateacquisitioncircuit,displaycircuitandSTC89C52microcontrollerthroughtheserialporttorealizetheconnection.ThisdesignwithSTC89C52microcontrollerasthecentralcontrolunit,throughST188asinfraredphotoelectricsensortocollectthepulsesignal,afterthelm358foropamp;againthroughbeforeandafterfiltering,magnifying,shaping,andgetstablesignal;functionstoachievetherapiddetectionofheart.Youcanalsothroughthebuttontosetthepulsevaluescope;buzzerdrivermoduleIntherangebeyondthescopeofthealarmprompt,themeasurementresultsintheliquidcrystaldisplay.Experimentalresultsshowthatthetestresultsofthedesignandpracticalrequirementsarebasicallythesame,STC89C52MCUstronganti-interferenceabilityandLCD1602displaycontroltheadvantagesofmoreconvenientsothatthesefeaturescanbesuccessfullycompleted.Theproductioncostlessthan100yuan,withlowprice,easymanipulation,lowpowerconsumption,highreliability,veryapplicabletofamiliesandindividuals.Heartrate)inprofessionaltermsisusedtodescribethehumanheartbeatcycle.PulseofmodernChinesewillbeinterpretedasheartbeatingfrequencyvalue;sotheheartratecanalsosaidinaunitoftime,heartrhythmspeed.Everyone'sheartratesignalsmostlycontainsrichphysiologicalandpsychologicalinformation.Thisisduetothehealthofinternalorgansofthebodycanreflectinthepulseinformation.Thisdiscoveryhasgraduallyattractedtheattentionofmanyclinicians.Inourcountry,pulsediagnosishasbeenregardedastheessenceofChinesemedicine;sofartheclinicalpracticehasabout2600years.Howeverduetotheuseoffingersoftentherewillbesomesweatglandsreferstopulsediagnosisinthepresenceoferrorscannotbeignored;andleadstoinaccuratemeasurement.Thenperhapsyouwouldsayandtheearveinmeasurement,insteadofthepreviousisoftenused.AlthoughbymeasuringearripplecometopulsesignalrelativelycomparisonClean,butbecausetheearpulsesignalisweak,especiallywhentheseasonalchanges,themeasurementsignalisvulnerabletotheinfluenceofenvironmentaltemperature,河南理工大学毕业设计（论文）说明书2resultingininaccuratemeasurementvalues.Withthedevelopmentandprogressofworldscienceandtechnologyandeconomy,cherishlife,healthcarehasbecomeacommonpursuitofmankindthroughouttheworld.AccordingtotheHealthBureaustatistics,everyyearbecauseofcardiovascularandcerebrovasculardiseasesdeathofthehighestnumberofhumandeathsfirst,notonlythehighcostofhealthcare,backtothefamily,thegovernmentandthesocietycausedgreatburden.Inrecentyears,duetotheacceleratedpaceoflife,unreasonableeatinghabitsandmanyjunkfoodimpactandotherreasons,theincidenceofcardiovascularandcerebrovascularisshowingatrendofrisingyearbyyear.Howtoscientificallyandharmlessreducecardiovasculardiseasemorbidityandmortality,effectivelyreducecardiovascularandcerebrovasculardiseasesandsocialFamilyburden,hasbecomeaveryseriousproblemfacedbyhumanbeingsallovertheworld.WorldfirstlevertypepulsescannerisVierordtwasfoundedin1854.Itisaleverandapressuredrumscannerusesthenotationtorecordthepulsewaveform,alsoisthehumanforthefirsttimethroughnoninvasionofrecordingthehumanbodypulse,thencausedagreatsensation.Howeverthestartingpointforthedevelopmentofdomesticrelativelyisrelativelylow,intheearly50softhe20thcenturyZhuYancaiwillpulseinstrumentreferencetoobjectivestudyonthepulsediagnosisintraditionalChinesemedicine.Inrecentyears,noninvasivevascularfunctiondetectiongraduallyattractedtheeyesofthemedicalprofessionals.Sinceabout1980,notraumavascularfunctiondetectionbyusingthesmallrange,itsprincipleisroughlyBasedonhemodynamicrheologytheoryandelasticchambertheory.Characterizedinitbythemoduletemperature,bloodpressurecuffmodule,bloodoxygenmoduleofmultiphysiologicalsignalacquisitionmodulecombinationbyofbrachialarteryblockingopeningintheprocessoffingerendtemperaturesignal,oxygensaturationandpulsewavesignalchangesoftheparametersofthe,againaccordingtotheclinicaltrialdataacquisitionandthroughthemethodofsignalprocessingandstatisticalanalysis,establishmentofvascularfunctionquantitativeevaluationformulaandbloodvesselfunctionevaluation.Ithasnoninvasive,simpleoperation,accurate,goodrepeatabilityandconvenientforclinicalapplicationandautomaticallygeneratesdiagnosisof河南理工大学毕业设计（论文）说明书3cardiovascularfunction,healthstatusanalysisandgivesrelatedmedicalsolutionRelease.Nowpulsetestingisnolongerconfinedtothetraditionalmanualtestingorstethoscopetest,onlyuseelectronicdevicescanbeobtainedmoreaccuratedata.Intoday'ssociety,mostofelectronicmeasuringinstrumentshasbeendirectedtowardsthedigitization,automationdevelopmentdirection.Pulsemeasuringinstrumentisnotonlygoodperformance,simplestructure,andhasgoodvalueofapplicationandpopularization.Ingeneral,thepulsemeasurementinstrumentdevelopmentismainlythefollowingtrends:first,intheabsenceofhumancanautomaticallyanalyzethemeasurementofpulsevalue;thepulseofthetraditionalinstrumentneedafterexperienceddoctorpulsesignalofthefirstinitialanalysisandthenmakeacomprehensiveanalysistofinalToconfirmtheresults,thismethodoftotalsaidtonotonlywastealotofmanpowerandbyfactitiouserrorisrelativelylarge.Thesecon