Thermoelectric sensor

Aug 21, 2019 Tso lus


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Thermoelectric cov nyhuv

Ob hom hlau conductors A thiab B ntawm qhov xwm sib txawv tau txuas nrog rau hauv lub voj kev kaw. Yog tias qhov ntsuas kub ntawm ob lub koom ua ke tsis sib npaug (T0 ≠ T), ib qho kev siv hluav taws xob muaj nyob nruab nrab ntawm ob tus neeg tsav tsheb, thiab qee qhov nqi tam sim no muaj nyob hauv lub voj. Nws yog hu ua cov nyhuv thermoelectric.

2. Thermal ua hauj sensor

Thermistor cov khoom siv feem ntau yog cov hlau ntshiab, thiab platinum, tooj liab, npib tsib xee, hlau, thiab lwm yam yog siv dav.

3. Tus ntsuas pa ntsuas cua

Lub thermistor yog ua los ntawm lub tshuab hluav taws xob thiab muaj cov yam ntxwv hauv qab no piv nrog cov hlau tsis kam:

1) Qhov ntsuas kub qhov txias tsis kam yog qhov loj thiab qhov rhiab siab yog siab;

2) Cov qauv yog yooj yim, qhov ntim me me, thiab nws yooj yim rau kev ntsuas;

3) zoo resistivity thiab haum rau ntsuas kev ntsuas;

4) Qhov sib txheeb ntawm qhov tsis kam thiab hloov qhov kub thiab txias yog qhov tsis ua;

5) Kev ruaj ntseg tsis zoo.

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