Dab tsi yog cov hlau thermal resistor sensor?

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Dab tsi yog cov hlau ntsuas kub kub sensor?
Thermistor Flowmeter tau ua raws li qhov tshwm sim ntawm tshav kub conduction sab hauv hauv nruab nrab hauv kev physics. Yog hais tias ib tug kub ntawm T1 tau muab tso rau hauv nruab nrab nrog kub ntawm T2), qhov twg K {{= ka (t} kem Cov kev sim tau qhia tias K muaj feem cuam tshuam nrog cov tsis sib xws xws li qhov ntom ntom, viscosity, thiab qhov nruab nrab txaus ntawm qhov nruab nrab. Thaum lwm yam tsis tu ncua, K yog tsuas yog sib piv rau qhov nruab nrab txaus ntawm qhov nruab nrab. Los ntawm ntsuas cov cua sov dississipated los ntawm tus thermistor, qhov nruab nrab txaus los yog txaus tus nqi ntawm cov nruab nrab tuaj yeem ntsuas tau. Qhov ntsuas cua sov muaj qhov zoo ntawm qhov loj me me, cov lus teb nrawm nrawm, thiab siab siv dav hauv ntau thaj teb.

Thermistor sensors tau siv dav hauv kev lag luam. Nyob ntawm cov khoom lag luam, lawv cov txiaj ntsig ntawm daim ntawv thov kuj txawv. Tshwj xeeb, muaj cov hauv qab no ntsuas: Tus ntsuas kub sensor kub: Tus kws kho hluav taws xob kub siv ntsuas ntsuas kub thiab qhov tseem ceeb. Tus mob cua sov tsis muaj txheej tiv thaiv sab nraud tsuas tuaj yeem siv rau hauv cov chaw qhuav; Kaw cov cua nab tsis ntshai noo yaig thiab tuaj yeem siv rau hauv cov chaw hnyav. Txij li thaum cov kev tiv thaiv ntawm cov ntsuas kub kub yog qhov loj, qhov tsis kam ntawm cov xov hlau txuas thiab tiv thaiv tsis kam tuaj yeem tsis quav ntsej. Yog li, cov ntsuas kub xav tau tuaj yeem siv rau hauv kev ntsuas ntev ntev ntawm ntau txhiab meters, thiab ntsuas hluav taws xob feem ntau siv cov choj Circuit Court. Nws cov hauv paus ntsiab lus kuj tseem siv tau rau lwm qhov ntsuas kub thiab ntsuas kub thiab ntsuas kub. Cov ntsuas hluav taws xob thermistor yog siv rau kev raug mob kub Piv txwv li, cov kauj ruam txav hauv cov khoom siv coil lub taub hau lub taub hau yog qhov txhab nrog cov xov tooj liab. Raws li cov kub nce, cov kev tawm tsam nce, ua rau kom muaj qhov kub tsis raug. Yog li ntawd, qhov kub tsis zoo coeffic uas thermal tuaj yeem txuas rau hauv cov hlua khi thiab tom qab ntawd cov khoom siv tau los ntawm cov kev ua yuam kev los ntawm kev hloov kub. Hauv kev hloov pauv ntawm kev sib tw thiab cov logarithmic amplifiers, tus ntsuas cua sov kuj tseem siv los ua cov khoom siv them nyiaj los them rau cov teeb meem nyuaj los ntawm kev kub. Kev tiv thaiv dua ntawm cov thermistor sensors: overheat kev tiv thaiv tau muab faib ua kev tiv thaiv ncaj qha thiab kev tiv thaiv ncaj qha. Rau cov ntawv thov tam sim no, tus sensoror tuaj yeem txuas nrog kev sib txuas nrog kev tiv thaiv kom tiv thaiv kev puas tsuaj ntau dhau thiab tiv thaiv cov cuab yeej. Rau cov ntawv thov siab tam sim no, lawv tuaj yeem siv los tiv thaiv relays, thiab lwm yam. Thaum overheated, tus thermistor ua si lub luag haujlwm tiv thaiv. Piv txwv li, kev hloov pauv hom thermistor sensor yog embedded hauv lub hwj kais ntawm lub cev muaj zog thiab txuas nrog cov lus nrog cov relay. Thaum lub cev muaj zog dhau lawm, lub stator tam sim no nce, ua rau muaj cua sov. Thaum qhov kub tshaj qhov kev hloov pauv, tam sim no nyob rau hauv ob peb kaum ntawm cov zeb lab, yog li cov relay yog qhib kom ua tiav kom ua tiav kev tiv thaiv ntau dua. Qhov ntsuas cua sov tau siv los ntsuas cov pa hluav taws xob ua kua: Tam sim no nws qhov kub thiab txias dua li cov neeg muaj huab cua nyob ib puag ncig, thiab nws tus nqi tiv taus me me nyob rau lub sijhawm no. Thaum cov kua yog siab dua nws txoj kev teeb tsa qhov siab, cov kua yuav tshem tawm nws cov cua sov, ua rau nws qhov kub kom poob thiab nws tus nqi tiv taus kom nce. Los ntawm kev txiav txim nws kev hloov tiv thaiv tsis tawm, koj tuaj yeem paub tias cov qib kua qis dua li cov nqi teeb. Dab tsi yog cov hlau thermal resistor sensor?

Thermal resistor kub ntsuas txoj cai

Nws yog raws cov yam ntxwv uas cov nqi tiv thaiv ntawm tus neeg xyuas pib lossis cov hloov pauv nrog qhov ntsuas kub kom ntsuas qhov kub thiab txias. Thermal tsim tawm feem ntau yog ua los ntawm cov ntaub ntawv hlau ntshiab. Tam sim no, Platinum thiab tooj muaj feem ntau siv. Tam sim no, cov ntaub ntawv xws li npib tsib xee, manganese thiab rhodium tau pib siv los tsim cov khoom siv thermal. Thermal resistors feem ntau yuav tsum tau los kis cov teeb liab tawm rau lub computer tswj cov khoom lossis cov qauv digital.