Qhov tseeb ntawm lub thermocouple txhais li cas

1. Thermocouples
Thermocouples yog ib qho khoom siv ntsuas kub uas muaj ob lub hlau sib txawv txuas nrog vuam. Raws li cov nyhuv thermoelectric, thaum lub vuam cov ntsiab lus ntawm ob txoj hlua hlau sib txawv ntawm qhov sib txawv ntawm qhov kub thiab txias, yuav muaj qhov sib txawv, uas tuaj yeem ntsuas qhov ntsuas kub.

Thermocouples yog dav siv nyob rau hauv ntau yam xws li kev lag luam, chaw soj nstuam, thiab tsev, feem ntau yog rau ntsuas kub nyob rau hauv high-temperature ib puag ncig. Vim nws txoj kev yooj yim, kev cia siab, thiab tus nqi qis, nws tau dhau los ua ib qho ntawm cov kev ntsuas kub uas siv ntau tshaj plaws.

2. Lub ntsiab lus ntawm cov thermocouple raug
Qhov tseeb ntawm lub thermocouple yog hais txog qhov sib txawv ntawm qhov sib txawv lossis ntau qhov kev ua yuam kev ntawm nws qhov ntsuas ntsuas thiab qhov ntsuas kub tiag tiag. Qhov tseeb ncaj qha cuam tshuam rau kev ntseeg siab thiab kev ntseeg siab ntawm cov thermocouples hauv kev siv tswv yim.

Lub ntsiab lus ntawm qhov tseeb ntawm thermocouple feem ntau yog cuam tshuam nrog nws qhov kev ntsuas qhov yuam kev. Raws li cov qauv tsim thiab cov kev qhia tshwj xeeb, qhov tseeb ntawm cov thermocouples feem ntau qhia txog qhov ntsuas kub tsis zoo, xws li ± 1 degree C lossis ± 0.5% nyeem ntawv. Qhov no txhais tau hais tias ntawm qhov ntsuas kub tiag tiag, qhov ntsuas ntawm qhov ntsuas qhov ntsuas kub tsis txawv ntawm qhov ntsuas kub tiag tiag los ntawm ntau dua ± 1 degree C lossis ± 0.5% ntawm kev nyeem ntawv.

3. Cov yam ntxwv cuam tshuam rau qhov tseeb ntawm thermocouples
Qhov tseeb ntawm thermocouples yog cuam tshuam los ntawm ntau yam, feem ntau suav nrog cov ntsiab lus hauv qab no:

Qhov tseeb ntawm thermocouples yog cuam tshuam los ntawm qhov kub thiab txias gradients. Thaum qhov kub thiab txias gradient loj, qhov kub ntawm qhov sib txawv ntawm txhua qhov ntawm cov hlau yuav nce, uas yuav ua rau kev ntsuas tsis raug.

Cov khoom siv ntawm cov xov hlau siv hauv thermocouples ncaj qha cuam tshuam rau lawv qhov tseeb. Cov hlau sib txawv muaj cov khoom sib txawv ntawm qhov sib txawv ntawm qhov kub thiab txias, yog li xaiv cov khoom siv hlau tsim nyog yog qhov tseem ceeb rau kev txhim kho qhov tseeb.

Cov xwm txheej ib puag ncig uas siv cov thermocouples tuaj yeem cuam tshuam rau lawv qhov tseeb. Piv txwv li, tus nqi ntawm qhov kub thiab txias ntawm cov hluav taws xob hluav taws xob ntawm cov khoom nyob ib puag ncig tuaj yeem ua rau kev ntsuas tsis raug.

4. Cov txheej txheem los txhim kho qhov tseeb ntawm thermocouples
Txhawm rau txhim kho qhov tseeb ntawm cov thermocouples, cov kev ntsuas hauv qab no tuaj yeem ua:

Tsis tu ncua calibrate thermocouples los xyuas kom meej qhov tseeb ntawm lawv cov txiaj ntsig ntsuas. Calibration feem ntau yog ua los ntawm kev sib piv nrog tus qauv ntsuas kub nrog qhov ntsuas kub.

Siv cov khoom siv hlau tsim nyog: Xaiv cov khoom siv hlau tsim nyog kom phim nws cov khoom siv hluav taws xob nrog rau qhov ntsuas kub kom ntsuas, uas tuaj yeem txo qhov ntsuas qhov yuam kev.

Txo kev cuam tshuam los ntawm ib puag ncig uas lub thermocouple nyob, xws li tswj qhov kub thiab txias gradients thiab txo cov hluav taws xob thermal los ntawm cov khoom nyob ib puag ncig, tuaj yeem txhim kho qhov ntsuas qhov tseeb.

Qhov tseeb ntawm lub thermocouple yog hais txog qhov sib txawv ntawm qhov sib txawv lossis ntau qhov kev ua yuam kev ntawm nws qhov ntsuas ntsuas thiab qhov ntsuas kub tiag tiag. Qhov tseeb ncaj qha cuam tshuam rau kev ntseeg siab thiab kev ntseeg siab ntawm cov thermocouples hauv kev siv tswv yim. Txhawm rau txhim kho qhov tseeb ntawm cov thermocouples, nws yog ib qho tsim nyog yuav tsum ntsuas, xaiv cov khoom siv hlau tsim nyog, thiab tswj cov xwm txheej ib puag ncig.