Menene Thermocouple?

Thermocouple, wanda kuma ake kira thermal junction, thermometer thermoelectric, ko thermel, firikwensin da ake amfani dashi don auna zafin jiki.Ya ƙunshi wayoyi guda biyu da aka yi daga ƙarfe daban-daban waɗanda aka haɗa a kowane ƙarshen.An sanya mahaɗa ɗaya inda za a auna zafin jiki, ɗayan kuma ana kiyaye shi a cikin ƙananan zafin jiki.Wannan mahaɗin shine inda ake auna zafin jiki.Ana haɗa kayan aunawa a cikin kewaye.Lokacin da zafin jiki ya canza, bambancin zafin jiki yana haifar da haɓakar ƙarfin lantarki (wanda aka sani da tasirin Seebeck, wanda kuma aka sani da tasirin thermoelectric,) wanda yayi daidai da bambanci tsakanin yanayin zafi na mahaɗa biyu.Tunda ƙarfe daban-daban suna haifar da ƙarfin lantarki daban-daban lokacin da aka fallasa su zuwa gradient na thermal, bambanci tsakanin ƙarfin awo biyun ya yi daidai da zafin jiki.Wanne al'amari ne na zahiri wanda ke ɗaukar bambance-bambance a cikin zafin jiki kuma ya canza su zuwa bambance-bambance a cikin ƙarfin lantarki. Don haka ana iya karanta zafin jiki daga daidaitattun tebur, ko kuma ana iya daidaita kayan auna don karanta zafin jiki kai tsaye.

Nau'i da wuraren aikace-aikacen thermocouples:
Akwai nau'ikan thermocouples da yawa, kowanne yana da nasa halaye na musamman dangane da yanayin zafin jiki, tsayin daka, juriya, juriya na sinadarai, da dacewa da aikace-aikace.Nau'in J, K, T, & E sune ma'aunin zafi na "Base Metal", mafi yawan nau'ikan thermocouples. Nau'in R, S, da B sune thermocouples na "Noble Metal", waɗanda ake amfani da su a cikin aikace-aikacen zafin jiki.
Ana amfani da thermocouples a yawancin masana'antu, kimiyya, da sauransu.Su za a iya samu a kusan duk masana'antu kasuwanni: Power Generation, Oil / Gas, Abinci sarrafa kayan aiki, Plating baho, Medical kayan aiki, masana'antu sarrafa, bututu gano iko, masana'antu zafi magani, Refrigeration zafin jiki kula, tanda zazzabi iko, da dai sauransu.Hakanan ana amfani da thermocouples a cikin kayan yau da kullun kamar murhu, murhu, tanda, murhun gas, dumama ruwan gas, da kayan girki.
A zahiri, mutane sun zaɓi amfani da ma'aunin zafi da sanyio, yawanci ana zaɓar su ne saboda ƙarancin farashi, iyakokin zafinsu, faɗin zafin jiki, da yanayi mai dorewa.Don haka thermocouples ɗaya ne daga cikin firikwensin zafin jiki da ake amfani da su.