Firikwensin matsin mai 161-1705-07 don mai tono cat E330C

ka'idar aiki

Sensor da aka tsara akan ka'idar fadada karfe

zafin jiki firikwensin

zafin jiki firikwensin

Ƙarfe zai samar da tsawo mai dacewa bayan canjin yanayin yanayi, don haka firikwensin zai iya canza siginar wannan amsa ta hanyoyi daban-daban. shida

Bimetallic guntu firikwensin

Takardun Bimetallic ya ƙunshi sassa biyu na ƙarfe tare da nau'ikan faɗaɗa daban-daban makale tare. Tare da canjin zafin jiki, ƙimar faɗaɗawar abu A ya fi na wani ƙarfe, wanda ke sa takardar ƙarfe ta lanƙwasa. Za a iya jujjuya lanƙwasawa zuwa siginar fitarwa.

sandar bimetal da firikwensin bututun ƙarfe

Tare da haɓakar zafin jiki, tsayin bututun ƙarfe (abu A) yana ƙaruwa, amma tsayin sandar ƙarfe wanda ba a buɗe ba (karfe B) ba ya yi, don haka za a iya watsa faɗaɗa madaidaiciyar bututun ƙarfe saboda canjin matsayi. Bi da bi, ana iya jujjuya wannan faɗaɗa na layi zuwa siginar fitarwa.

Sensor don nakasawa ƙirar ƙirar ruwa da gas

Lokacin da zafin jiki ya canza, ƙarar ruwa da gas kuma za su canza daidai.

Daban-daban nau'ikan sifofi na iya canza wannan canjin faɗaɗa zuwa canjin matsayi, don haka yana haifar da fitowar canjin matsayi (potentiometer, karkatar da aka haifar, baffle, da sauransu).

Juriya ji

Tare da canjin yanayin zafi, ƙimar juriya na ƙarfe kuma yana canzawa.

Don karafa daban-daban, canjin ƙimar juriya ya bambanta a duk lokacin da yanayin zafi ya canza ta digiri ɗaya, kuma ana iya amfani da ƙimar juriya kai tsaye azaman siginar fitarwa.

Akwai canje-canje iri biyu na juriya.

Madaidaicin ƙimar zafin jiki

Hawan zafin jiki = haɓaka juriya

Rage yanayin zafi = raguwar juriya.

korau zafin jiki coefficient

Zazzabi yana ƙaruwa = juriya yana raguwa.

Zazzabi yana raguwa = juriya yana ƙaruwa.

Thermocouple ji

Thermocouple ya ƙunshi wayoyi biyu na ƙarfe na abubuwa daban-daban, waɗanda aka haɗa su tare a ƙarshen. Ta hanyar auna yanayin zafin jiki na ɓangaren da ba a yi zafi ba, za a iya sanin zafin yanayin zafi daidai. Domin dole ne ya kasance yana da masu jagoranci guda biyu na kayan daban-daban, ana kiransa thermocouple. Ana amfani da thermocouples da aka yi da abubuwa daban-daban a cikin jeri daban-daban na zafin jiki, kuma hankalinsu ma ya bambanta. Hankali na thermocouple yana nufin canjin yuwuwar bambance-bambancen fitarwa lokacin da yanayin zafi ya canza ta 1 ℃. Ga mafi yawan ma'aunin zafi da sanyio da ke goyan bayan kayan ƙarfe, wannan ƙimar kusan 5 ~ 40 microvolts/℃.

Saboda azancin firikwensin zafin jiki na thermocouple ba shi da alaƙa da kauri na abu, kuma ana iya yin shi da kyawawan abubuwa. Hakanan, saboda kyakkyawan ductility na kayan ƙarfe da ake amfani da su don yin thermocouple, wannan ƙaramin ma'aunin zafin jiki yana da saurin amsawa sosai kuma yana iya auna aiwatar da saurin canji.