Qhov kub thiab txias sensor yog ib qho sensor uas hnov tau qhov kub thiab hloov mus rau hauv ib lub teeb liab tawm. Qhov ntsuas kub yog qhov tseem ceeb ntawm qhov ntsuas qhov ntsuas thiab muaj ntau yam. Raws li txoj kev ntsuas, nws muaj peev xwm raug muab faib ua ob hom: kev hu thiab hom tsis yog neeg sib cuag. Raws li cov yam ntxwv ntawm cov ntaub ntawv thiab cov khoom hluav taws xob, nws muab faib ua ob hom: thermal ua hauj thiab thermocouple.
Cov ntsuas pa kub yog cov khoom siv los tsim thiab cov khoom siv plhuav tshaj plaws. Lub lag luam qhia tawm ntawm qhov kub thiab txias sensors deb tshaj li ntawm lwm cov sensors. Txij thaum pib ntawm lub xyoo pua 17, neeg pib siv kub los ntsuas. Nrog kev pabcuam ntawm kev siv tshuab semiconductor, semiconductor thermocouple sensors, PN coal kub sensors thiab integrated sensors tau tsim nyob rau hauv lub xyoo pua no.
Cov neeg ua yeeb yam ntawm ob yam khoom sib txawv, xws li sib txuas rau ntawm ib qho chaw, ua kom lub qhov taw qhia sib txuas, thiab muaj qhov sib txawv tshwm sim hauv ib feem uas lawv tsis rhaub. Qhov muaj nqis ntawm qhov kev sib txawv no muaj feem xyuam rau qhov kub thiab txias ntawm qhov ntsuas kev ntsuas ntawm qhov tsis zoo, thiab muaj feem xyuam nrog cov khoom ntawm ob tug neeg sib tw. Qhov tshwm sim no tuaj yeem tshwm sim ntau dua. Yog tias qhov sib txawv ntawm qhov kev ntsuas yog raug ntsuas thiab lub ntsuas kub ntawm qhov ntsuas tsis txaus siab, ntsuas qhov kub ntawm qhov cua kub ntawd yuav raug txheeb tau. Vim tias nws yuav tsum muaj ob tug neeg sib tw ntawm ntau cov ntaub ntawv, nws yog hu ua "thermocouple." Cov thermocouples uas tau los ntawm cov khoom siv sib txawv yog siv hauv ntau qhov kub thiab qhov sib txawv.
Lub thermocouple sensor nws muaj nws tus kheej zoo thiab tsis zoo. Nws muaj tsawg rhiab, yog susceptible rau tej qhov cuam tshuam kev lag luam, thiab yog susceptible rau kub hloov ntawm lub preamplifier. Yog li ntawd, nws tsis haum rau ntsuas kev hloov me me. Vim hais tias lub rhiab heev ntawm qhov kub thiab txias ntawm lub thermocouple kub yog qhov ywj siab ntawm cov thickness ntawm cov khoom
