Dab tsi yog qhov ntsuas kub rau kev soj ntsuam Thermocouples thiab lawv ua li cas?

Lawv muab qhov ntsuas kub kom raug. Hauv cov txheej txheem kev lag luam thiab cov kev tshawb fawb soj ntsuam uas qhov kev tswj xyuas qhov kub thiab txias yog qhov tseem ceeb, kev sojntsuam thermocouples tuaj yeem muab cov ntaub ntawv ntseeg tau. Lawv kuj zoo nkauj ntev ntev thiab tuaj yeem tiv taus qhov chaw hnyav. Txawm hais tias tsis muaj qhov kub thiab txias ntau dhau, cov khoom siv corrosive, lossis kev ntxhov siab, kev sojntsuam thermocouples yog tsim los tuav lawv cov haujlwm. Tsis tas li ntawd, lawv qhov yooj yim ntawm kev siv thiab kev txav mus los ua rau lawv muaj kev nyiam nyiam rau ntau pob.
Daim ntawv ntawm kev sojntsuam thermocouples ua lub luag haujlwm tseem ceeb. Feem ntau, lawv tau txais ib qhov ntev, nqaim layout nrog ib tug taw tes. Daim ntawv no tso cai rau kev nkag mus rau hauv cov khoom tshwj xeeb lossis ib puag ncig. Cov lus taw qhia tso cai rau kev tso npe tshwj xeeb thiab tuaj yeem nkag mus rau cov khoom yooj yim ntxiv. Daim ntawv ntev thiab nqaim ntxiv rau qhov yooj yim hauv kev teeb tsa thiab kev siv. Nws tuaj yeem muab tso rau ntawm qhov tshwj xeeb qhov tob lossis cov kaum sab xis nyob ntawm qhov tshwj xeeb qhov yuav tsum tau ua. Ntxiv mus, daim ntawv tuaj yeem pab txo kev cuam tshuam nrog ib puag ncig puag ncig, ua kom paub tseeb ntxiv qhov ntsuas kub kom raug.
Kev sojntsuam thermocouples muaj qhov txwv kub tshwj xeeb. Qhov kub ntau yam yog nyob ntawm hom thermocouple thiab nws cov kev tsim kho. Piv txwv li, ob peb qhov kev sojntsuam thermocouples tuaj yeem ntsuas qhov kub thiab txias los ntawm qhov kub tsis tshua muaj qhov kub thiab txias mus rau qhov kub thiab txias ntau tshaj li ntau txhiab degrees Celsius. Ntawm qhov txo qis ntawm qhov ntsuas kub, lawv tuaj yeem ntsuas qhov ntsuas kub hauv cov tswv yim nrog rau cov chaw nres tsheb cryogenic lossis kev sim ntsuas kub tsawg. Ntawm qhov kev txiav tawm zoo dua, lawv tau siv hauv cov pob khoom xws li cov cua kub ntau dhau lossis cov txheej txheem kev lag luam.
Hauv kev ua haujlwm, kev sojntsuam thermocouples nqa tawm los ntawm kev tsim hluav taws xob voltage proportional rau qhov sib txawv ntawm qhov ntsuas kub thiab qhov kev sib tshuam. Qhov voltage no ces ntsuas thiab hloov txoj cai mus rau qhov ntsuas kub. Qhov tseeb ntawm qhov loj me yog nyob ntawm ntau yam, suav nrog kev nplua ntawm cov khoom siv, kev ntsuas ntawm cov thermocouple, thiab cov xwm txheej ib puag ncig.
Kev sojntsuam thermocouples yog tsim los tuav lawv qhov tseeb thiab kev ua haujlwm tag nrho hauv lawv qhov tshwj xeeb kub txwv. Lawv nquag tsim los ntawm cov khoom uas tuaj yeem tiv taus qhov kub thiab txias tsis muaj degradation. Piv txwv li, ob peb lub thermocouples siv tshwj xeeb alloys los yog ceramics uas tuaj yeem saib xyuas qhov kub thiab txias ntau dhau los ntawm kev poob lawv cov khoom hluav taws xob. Thaum qhov kub tsis tshua muaj, cov khoom siv thermal conductivity thiab sib npaug yog siv los ua kom muaj kev ntsuas kom raug.