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1、水中嶷瓴濃度智能監(jiān)測(cè)儀的研究開發(fā)摘要秀撬褰臭氧承鯰瑾王藝過(guò)簇鶼囊凌整控窳詈,在瓣ORP簧感器王終爨瑾弱國(guó)痰鯪相關(guān)資料的分析的基礎(chǔ)上,對(duì)基予ORP傳感瓣測(cè)量水中臭氧濃度的智能艇測(cè)僅研制工作中有獲問題進(jìn)行了探討,本文的主要研究?jī)?nèi)容和結(jié)果如下:l。鈴辯ORP簧感囂窿整菝特瞧,途覆運(yùn)簍羧太器CA3t40,數(shù)三運(yùn)藏、蒺分輸滅方式的儀表放大器結(jié)構(gòu)設(shè)計(jì)前置放大器,降低了傳感器高阻抗對(duì)測(cè)量精魔的影響.并有效抑制共模信號(hào)。2.以離性能的單片機(jī)Atmega8作為信號(hào)處蠛電路的核心器件;用數(shù)字溫度傳感器DSl8820采集灄嶷售號(hào):使趲整有控毒《???、事行I/o接曩筑滾蘸霞示
2、器強(qiáng)弱45顯示數(shù)據(jù)。上述新器件的選爝使得硬件電路連接簡(jiǎn)單,肖效的提高了硬件電路的可靠性。3.使髑AVR-GCC諾裔實(shí)現(xiàn)ORP嗽便與臭氧濃度之問的指數(shù)聰數(shù)運(yùn)算,從麗完成了臭裁滾波戇自魂溺蠡??⒛K純方法實(shí)凌下像瓿較傳豹開發(fā)工終,采鼴RS一232事紛遴信協(xié)議實(shí)現(xiàn)與計(jì)算機(jī)的通信;并用Delphi語(yǔ)言實(shí)現(xiàn)上能機(jī)軟件的程序開發(fā)??梢酝ㄟ^(guò)上位機(jī)修改參數(shù),這不但縮短了智能jl氛測(cè)儀的研究開發(fā)時(shí)間,而且使智能監(jiān)測(cè)儀輿有通用性,W以用于不同的臭氧水處璦場(chǎng)合。4。分裂鼠疆俸秘軟{警囂令方瑟搽討了有關(guān)毫皴兼容瞧斡戇邀,象采取懿績(jī)整瑟有效攆離智能檢測(cè)僅的抗干擾能力。綜上。OR
3、P法測(cè)掇水中臭氧濃度智能監(jiān)測(cè)儀的研究開發(fā)綜合了電化學(xué)傳感器技術(shù)、售號(hào)袋黧技術(shù)、餐憝狻濺菝本淡彀詩(shī)霧援接拳。磅究結(jié)羆襲圈,ORP法測(cè)爨痰孛臭氧濃度不僅切實(shí)可行,聰且具有測(cè)鬣迅速、便捷、價(jià)格低廉的優(yōu)點(diǎn),具有較好韻應(yīng)掰前景。關(guān)鍵詞:臭氯濃度:智能監(jiān)測(cè);ORP傳感器;水中輿裁濃度譬靛監(jiān)瀏鼓躲磷究辯艇AbstractInordertoincreasethestandardofautomaticcontrollingintheprocessofwatertreatment謝呶Ozone,someproblemsONIntelligentMonitorofOzone
4、Concentrationinwateralestudied.Furthermore.theORPSensorandrelatedintbrmationisdiscussed,Themaincontentsandresultsare豁bellow:1,Consideredhi豳impedanceofORPSensor,apreamplifierisdesignedwithinstrumentamplifierstructure-threeCA3140anddifferenceinputmodelSOastoincreasethemeasurementp
5、recisionandrestraineffectivelycommonmodelsignal。2+Hi黲performance娥lglechipAtmega8isthecoreofsignalhandlingcircuit;DigitaltemperantresensorDSl8820isusedtocoItecttemperaturesignalforcompensatetheerrorcausedbytemperature;LCDLCM045withcontrollermodel,serialItOinterfaceisusedtodisplay
6、data.Thosemeasuressimplifyhardwarecircuitconnectionandenhanceeffectivelyreliabilityofhardwarecircuit,3。T婦indexfunctioncalculationbetweenORPelectricpotentialandOzoneConcentrationcomestruebvAVR,GCClanguagethatachievesautomaticmeasurementofOzoneConcentration.戢騮downterminalsoftwarei
7、sprogrammed瓠modulalizationmethod,ThecoramunicationwithcomputeriscometruebvRS-232serialcommunicationprotocolandtheupterminalso數(shù)waleisdevelopedwithDelphilanguage,ModifyingparametersbyupterminaIiSnotonlybenefittoresearchanddevelopmentbutalsomakesintelligentmeasurementinstrumentgene
8、ralK辯酗磷fferent矗eldofozonewater溉_,amaent。4。Someo