Kev ntseeg tau thiab cov lus teb ceev ceev ntawm thermocouples tau dhau los ua thawj qhov kev xaiv hauv ntau qhov chaw!
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Kev ntseeg tau thiab cov lus teb ceev ceev ntawm thermocouples tau dhau los ua thawj qhov kev xaiv hauv ntau qhov chaw!
Raws li paub zoo, cov thermocouples yog cov ntsuas kub uas siv ntau tshaj plaws thiab tuaj yeem siv dav hauv ntau qhov ntsuas kub ntawm cov khoom lag luam. Piv nrog rau cov ntsuas kub tsis kam tiv thaiv, thermal regulators, thiab ntsuas kub ntsuas kev sib xyaw ua ke (ICs), cov khoom siv thermocouple muaj qhov ntsuas kub ntau dua thiab muaj txiaj ntsig zoo dua.
Tsis tas li ntawd, qhov muaj zog, kev ntseeg siab, thiab lub sijhawm teb ceev ntawm cov thermocouples ua rau lawv nyiam xaiv hauv ntau qhov chaw ua haujlwm. Tau kawg, kuj tseem muaj qee qhov tsis xws luag hauv qhov ntsuas kub ntawm thermocouple, xws li cov kab tsis zoo. Txawm hais tias lawv tuaj yeem ntsuas qhov ntsuas kub ntau dua li qhov ntsuas kub tiv thaiv thiab ntsuas kub ntsuas ICs, lawv cov linearity txo qis heev. Tsis tas li ntawd, RTDs thiab kub sensor ICs muaj siab rhiab heev thiab raug, ua rau lawv zoo tagnrho xaiv rau precision kub ntsuas tshuab. Thermocouple teeb liab theem yog tsawg heev thiab feem ntau yuav tsum tau amplification los yog high-resolution converters rau kev ua. Yog tias cov teeb meem saum toj no tuaj yeem raug tshem tawm, cov thermocouples tau dav siv vim lawv cov nqi qis, kev siv yooj yim, thiab qhov kub thiab txias.
Cov pov thawj tawg pov thawj thermocouples feem ntau siv cov hluav taws kub hnyiab thiab cov tshuaj lom neeg tawg hauv cov chaw tsim khoom!
Armored thermocouples muaj ib txoj kab uas hla me me, khoov tau yooj yim, thiab muaj zog seismic kev ua tau zoo. Prefabricated thermocouples tsis tuaj yeem ntsia tau. Lub raj tiv thaiv sab nrauv txais cov kav hlau stainless ntawm cov khoom sib txawv (tsim rau qhov sib txawv ntawm kev ua haujlwm kub), muaj cov ntaub ntawv insulating high-density oxide, uas tsim nyog rau kev teeb tsa hauv qhov chaw hnyav.
Kev tawg pov thawj cov khoom siv thermocouple feem ntau yog siv ntau yam khoom siv hluav taws xob thiab hluav taws xob tawg. Yog tias nws yooj yim siv cov thermocouples tshwm sim los ntawm cov pa tawg hauv qhov chaw ib puag ncig, yuav tsum siv cov thermocouples tiv taus hluav taws. Cov khoom tawg-pov thawj thermocouples uas tsim los ntawm peb lub Hoobkas yog siv rau hauv cov chaw muaj kev phom sij rau kev siv cov pa phem.
Thermocouple xov hlau feem ntau pom muaj qhov sib txawv tom qab siv!
Kev lag luam sab hauv paub tias qhov tsis sib xws ntawm cov xov hlau thermocouple yog tsim tom qab siv. Rau hom tshiab ntawm thermocouple, txawm tias qhov tsis sib xws ntawm lub tshuab hluav taws xob hluav taws xob hluav taws xob tuaj yeem ua tau raws li qhov yuav tsum tau ua, cov thermocouple yuav poob tsis sib xws vim rov ua dua thiab khoov. Tsis tas li ntawd, yog tias lub thermocouple nyob rau hauv qhov kub thiab txias rau lub sijhawm ntev thaum siv, qhov deterioration ntawm thermocouple xaim tuaj yeem ua rau muaj kev hloov pauv ntawm cov thermoelectric electromotive quab yuam.
Piv txwv li, cov thermocouples tso rau hauv cov khoom siv hluav taws xob yuav tsis zoo raws li qhov ntev ntawm cov thermocouple hlau, thiab cov degree ntawm degradation kuj yuav nce nrog qhov kub thiab txias. Thaum lub degraded ib feem nyob rau ntawm qhov kub thiab txias gradient, parasitic electromotive quab yuam yuav raug generated thiab ntxiv rau tag nrho cov thermoelectric electromotive quab yuam, ua rau kev ntsuas yuam kev. Hauv kev xyaum, nws tau pom tias qee cov khoom siv thermocouple (feem ntau pheej yig hlau thermocouples) uas tau lees paub tias tsim nyog los ntawm lub tuam tsev metrology tsis tsim nyog thaum siv ntawm qhov chaw. Tom qab ntawd, nws rov qab mus rau lub tuam tsev metrology, feem ntau yog vim tsis sib npaug ntawm cov xov. Cov neeg ua haujlwm tsim cov thermocouples tau pom tias qhov tsis ua haujlwm ntawm cov thermocouples nce nrog qhov ntev ntawm cov thermocouple. Lawv tag nrho yog tshwm sim los ntawm qhov tsis sib xws ntawm cov cua sov hlau. Hauv cov ntsiab lus, qhov yuam kev tshwm sim los ntawm parasitic electromotive quab yuam nyob ntawm qhov tsis sib xws ntawm cov thermocouple hlau nws tus kheej thiab qhov kub ntawm gradient.
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