temperature play

DesignofaWeb-bad

TemperatureandHumidityMonitoringSystem

DingLibo

SchoolofMechanicalEngineeringˈ

NanjingUniversityofScience&Technology

Nanjing,China

e-mail:dinglibo@

WangXuehui

SchoolofAutomationˈ

NanjingUniversityofScience&Technology

Nanjing,China

e-mail:xuehuiwang@

Abstract—Temperatureandhumiditymonitoringsystemisan

importantpartoflaboratories,suchasscientificexperiment

rtosupervi

andrecordthetemperatureandhumidityofgeographical

distributedconstanttemperatureandhumiditytesting

Laboratories,

systemisconsistedoflocaldataacquisitionhardwareandremote

dwareismadeupof

temperatureandhumiditynsorsarrangedinthelaboratory

andacentralcontrolt,whichiscontrolledbyaMCUandtakes

chargeofcollectingdatafromnsorsandtransmittingthemto

ationofthesystemshowsthatit

operatesreliablyandstablyandcanhelptheadministrative

departmentstomonitortemperatureandhumidityrealtimeand

managedataofalllaboratoriefficiently.

Keywords-temperatureandhumidity;monitoringsystem,MCU,

databa

UCTION

Theconstanttemperatureandhumiditylaboratoryisthe

basicandnecessaryconditionoftheproductquality

emostpreci

andexpensivetestinginstrumentcanhardlygivetheaccurate

anteetheaccuracyofthe

testresultoftheexaminedproduct,theaccuratecontrolof

temperatureandhumidityappearspeciallyimportant.

TheTemperatureandhumiditymonitoringsystemofthe

existingconstant-temperatureandconstant-humiditylaboratory

iscompletedbythetemperatureandhumiditynsorsupported

bythepreciairconditioneritlf,whichisdesignedtoassist

theinstrument’ocationofthensorcannot

gathertheexacttemperatureandhumidityoftheinterior

environment,

thensorcannotreflecttherealsituationoftemperatureand

humidity.

Inaddition,therearemanyfactorstoimpactthe

temperatureandhumidityintheconstant-temperatureand

constant-humiditylaboratory,eventhemovementofhuman

beingcanleadtothechangesofinteriortemperatureand

atureand

humidityoutofstandardswouldresultininaccurateresults.

Duetolackofintuitionistandscientificenvironmentaldata,

afterbeingudforoneortwoyears,Temperatureand

humidityofthelab’sindoorenvironmenthavefarexceededthe

nationalstandard,buttheLaboratoryTechniciansareignorant

ofthecircumstances.

Therefore,thisarticlepropodasystemtomonitorthe

temperatureandhumidityoftheconstanttemperatureand

humiditylaboratory,withacoreoftheMCU,withameasuring

elementofthehigh-accuracytemperatureandhumiditynsor.

ile,

thesystemgatheredthetemperatureandhumiditydatato

conveytothecomputerviatheexistednetworkcommunication

temmakesitcometruetostorage,analysis

andmonitoringtheoff-sitereal-timetemperatureandhumidity

dataandplayanearlywarningrole.

LDESIGNOFTHEHUMITUREMONITOR

SYSTEM

theon-sitesupervision,andtheotherisremotedataba

sor,thetransmittingapparatusandthe

sorswhich

wereplacedinrelevantpositionsinthelaboratory,delivered

eing

handled,thedatawastransferredtotheon-sitetreatment.

Dependingonthetemperatureandhumiditydatacollectedby

certainnsors,theprocessorstoredthedataintheinside

ametime,theon-sitedisplayerdisplayedthe

real-timetemperatureandhumidityvalueandstatusmessages

ofthensors.

Inthefoundationoftheexistednetwork,notonlythe

laboratorymanagercouldgraspthelab’ssituation,alsoother

personnelintheofficecouldglanceoverthereal-time

temperatureandhumidityvalue,thehistoricaldata,andthe

aneously,theearly

warningdetectiontothemonitoringdatacouldbeonthebasis

uldalsoinquireandprint

abasystempartis

theinformationmanagementsystemofthetemperatureand

werethelaboratory,theexaminationinstituteandthehigher

2028

978-1-4577-0536-6/11/$26.00©2011IEEE

Sensor1Transmitter1

Real-time

data

on-site

display

FieldProcessor

Temperatureandhumiditymonitoring

databaforDetection

Temperatureandhumiditymonitoring

databaforHigherauthorities

Sensor2Transmitter2

SensornTransmittern

…

Internet

3DUW