Thermocouple ntsig txog kev paub

Ob lub conductors uas muaj cov khoom sib txawv (hu ua thermocouple xov hlau lossis thermoelectric electrodes) txuas ntawm ob qho kawg los ua ib lub voj voog. Thaum qhov kub ntawm qhov sib txuas sib txawv, lub zog hluav taws xob tau tsim nyob rau hauv Circuit Court, uas yog hu ua cov nyhuv thermoelectric, thiab lub zog hluav taws xob no hu ua thermoelectric peev xwm. Thermocouples siv lub hauv paus ntsiab lus no rau kev ntsuas kub, qhov kawg siv ncaj qha los ntsuas qhov ntsuas kub ntawm qhov nruab nrab yog hu ua kev ua haujlwm kawg (tseem hu ua qhov ntsuas qhov kawg), thiab lwm qhov kawg yog hu ua qhov txias kawg (tseem hu ua qhov nyiaj them kawg. ); Qhov kawg txias yog txuas nrog cov cuab yeej tso saib lossis cov cuab yeej txhawb nqa, thiab cov cuab yeej tso saib yuav qhia tau tias muaj peev xwm ua tau los ntawm cov thermocouple.
Lub thermocouple tiag tiag yog lub zog hloov hluav taws xob uas hloov thermal zog rau hauv hluav taws xob hluav taws xob, thiab siv cov khoom siv hluav taws xob tsim los ntsuas qhov kub thiab txias. Rau cov thermoelectric muaj peev xwm ntawm lub thermocouple, cov teeb meem hauv qab no yuav tsum tau sau tseg:
1: Lub peev xwm ntawm cov thermocouple yog qhov sib txawv ntawm qhov kub thiab txias ua haujlwm ntawm qhov kawg ntawm lub thermocouple, tsis yog qhov ua haujlwm ntawm qhov kub thiab txias qhov sib txawv ntawm qhov txias kawg thiab ua haujlwm kawg ntawm lub thermocouple;
2: Qhov loj ntawm cov thermoelectric muaj peev xwm tsim los ntawm cov thermocouple, thaum cov khoom siv ntawm cov thermocouple zoo ib yam, tsis muaj feem xyuam rau qhov ntev thiab txoj kab uas hla ntawm lub thermocouple, tab sis tsuas yog rau cov khoom sib xyaw ntawm cov khoom siv thermocouple thiab qhov kub sib txawv ntawm ob qho kawg. ;
3: Thaum cov khoom muaj pes tsawg leeg ntawm ob lub thermocouple xov hlau ntawm lub thermocouple yog txiav txim siab, qhov loj ntawm lub peev xwm ntawm lub thermocouple tsuas yog cuam tshuam nrog qhov kub ntawm qhov sib txawv ntawm lub thermocouple; Yog hais tias qhov kub ntawm qhov txias kawg ntawm lub thermocouple tseem nyob tas li, qhov ntsuas kub ntawm lub thermocouple tsuas yog ib qho txiaj ntsig ntawm qhov ua haujlwm kub kawg nkaus xwb. solder ob yam khoom sib txawv ntawm conductors los yog semiconductors A thiab B ua ke los tsim ib tug kaw Circuit Court, raws li qhia nyob rau hauv daim duab. Thaum muaj qhov kub thiab txias sib txawv ntawm ob lub ntsiab lus txuas 1 thiab 2 ntawm conductors A thiab B, lub zog hluav taws xob yog tsim los ntawm ob, uas ua rau muaj qhov sib txawv ntawm qhov sib txawv hauv Circuit Court. Qhov tshwm sim no hu ua cov nyhuv thermoelectric. Thermocouples ua haujlwm los ntawm kev siv cov nyhuv no.
Dab tsi yog thermocouple? Qhov no pib nrog lub hauv paus ntsiab lus ntawm qhov ntsuas kub ntawm thermocouple. Thermoelectricity yog qhov ntsuas kub ntsuas qhov ntsuas kub uas hloov cov cim ntsuas kub rau hauv cov cim hluav taws xob hluav taws xob hluav taws xob, uas tom qab ntawd hloov mus rau qhov kub ntawm qhov ntsuas nruab nrab los ntawm cov cuab yeej hluav taws xob. Lub hauv paus ntsiab lus ntawm kev ntsuas kub ntawm thermocouple yog ob homogeneous conductors nrog cov sib txawv sib txawv tsim ib lub voj voog kaw. Thaum muaj qhov kub thiab txias ntawm ob qho kawg, yuav muaj tam sim no dhau los ntawm Circuit Court, thiab yuav muaj Seebeck electromotive force - thermoelectric electromotive force - nruab nrab ntawm ob qhov kawg, uas yog hu ua Seebeck effect. Ob homogeneous conductors nrog sib txawv muaj pes tsawg leeg yog thermoelectric electrodes, nrog rau kev ua hauj lwm kawg ntawm qhov kub thiab txias kawg ntawm qhov kub thiab txias. Qhov kawg dawb yog feem ntau ntawm qhov kub thiab txias. Raws li kev sib raug zoo ntawm cov thermoelectric electromotive quab yuam thiab qhov kub thiab txias, tsim ib lub rooj thermocouple calibration; Lub rooj kawm tiav tau txais nyob rau hauv qhov xwm txheej ntawm qhov kub siab kawg ntawm 0 degree, thiab cov thermocouples sib txawv muaj cov rooj kawm tiav sib txawv. Thaum cov khoom siv hlau thib peb txuas nrog lub thermocouple Circuit Court, ntev npaum li qhov kub ntawm ob qhov kev sib cuag ntawm cov khoom yog tib yam, lub peev xwm thermoelectric tsim los ntawm cov thermocouple yuav nyob twj ywm tsis hloov, uas yog, tsis cuam tshuam los ntawm kev sib txuas ntawm peb. hlau rau Circuit Court. Yog li ntawd, thaum siv cov thermocouples rau qhov ntsuas kub, lub ntsuas ntsuas tuaj yeem txuas nrog, thiab tom qab ntsuas lub ntsuas hluav taws xob hluav taws xob, qhov ntsuas kub ntawm qhov nruab nrab tuaj yeem txiav txim siab.