Daya daga cikin mahimmancin na'urori masu aunawa a cikin kasuwa shine thermistor, wani ɗan gajeren ɓangaren "tsayayyar yanayin zafi." Masanan sunadarai masu tsada ne masu tsada sosai. Matakan thermistor shine ma'aunin zafin jiki na zabi don aikace-aikace da ke buƙatar haɗakarwa da daidaituwa. Masanan sunada iyakance ga ƙananan aikace-aikacen zafin jiki na aikin aiki sabili da aiyukan da ba su da linzaminar zuwa zazzabi.
Ginin
Masanan sune abu biyu na waya wanda aka sanya daga nau'in kayan da aka ƙera a cikin nau'o'in nau'i daban don tallafawa aikace-aikace iri-iri. Kayan gwajin thermistor mafi mahimmanci shi ne karamin gilashin gilashi da diamita daga 0.5 zuwa 5mm tare da wayoyi biyu. Har ila yau ana iya amfani da masana'antar lafiyar a cikin kwakwalwa masu mahimmanci, masu fadi, da kuma sanya su cikin bincike na tubular. Dandalin ma'aunin gilashin gilashi suna da ƙyama da ƙarfin hali, tare da yanayin rashin cin nasara mafi yawan al'amuran yaudara. Duk da haka, don aikace-aikace da suke buƙatar girma mafi girma, ƙwanƙwasaccen sigina na lasisi suna samar da kariya mafi girma.
Amfanin
Masanan sunyi amfani da dama, ciki har da daidaito, farfadowa, kwanciyar hankali, lokaci mai amsawa mai sauri, kayan lantarki mai sauƙi, da ƙananan kuɗi. Hanyar da ke dubawa tare da thermistor zai iya zama mai sauƙi kamar tsayayyar dashi da auna ma'aunin wutar lantarki a fadin thermistor. Duk da haka, maɓuɓɓan thermistors da zafin jiki yana da jigon linzamin kwamfuta kuma ana sauraron su zuwa ƙananan zazzabi wanda ke iyakance daidaitarsu zuwa ƙananan taga sai dai idan ana amfani da hanyoyi masu jigilar linzami ko wasu hanyoyin da ake amfani da su. Hanyoyin da ba a jigilar linzamin kwamfuta ba na yin thermistors sosai damuwar canje-canje a cikin zafin jiki. Har ila yau, ƙananan ƙananan ƙarfin da ke cikin thermistor yana ba su wani karamin thermal wanda zai ba da damar samun thermistor don sauyawa cikin canji.
Zama
Masanan sunadaran tare da ko dai ko mummunan tasiri mai tasiri (NTC ko PTC). Tsakanin thermistor tare da mummunar zafin jiki ya zama ƙasa da ƙarfi kamar yadda yawan zafin jiki ya ƙara yayin da thermistor tare da haɓakaccen zafin jiki na haɓaka yana kara ƙaruwa a yayin da yawan zafin jiki yake ƙaruwa. Ana amfani da magungunan ƙwayar PTC a cikin jerin tare da aka gyara inda tawayar yanzu zai iya haifar da lalacewa. Yayinda aka gyara matakan, yayin da yake gudana ta hanyar su, thermistors suna haifar da zafi wanda zai haifar da canji a juriya. Tun da thermistors ko dai yana buƙatar mahimmanci na yanzu ko tushen lantarki don yin aiki, haɓakawar jiki wanda ya haifar da sauyawar juriya wani gaskiya ne da thermistors. A mafi yawancin lokuta, rinjayen kanana yana da kadan kuma ana bukatar diyya idan ana buƙatar cikakken daidaituwa.
Yanayin aiki
Ana amfani da masu amfani da thermal a cikin hanyoyi biyu na aiki fiye da yanayin da zafin jiki na zamani da aiki. Yanayin mai sauƙi-vs-halin yanzu yana amfani da thermistor a cikin ƙarancin kansa, yanayin yanayin kwari. Anyi amfani da wannan yanayi don mita mai tsafta inda sauyawa a cikin gudana daga ruwa a fadin thermistor zai haifar da canji a ikon da thermistor yayi, juriya, da halin yanzu ko kuma ƙarfin lantarki dangane da yadda za'a kore shi. Ana iya amfani da thermistor a halin yanzu-kan-lokaci lokacin da ake amfani da thermistor a halin yanzu. Hakan yanzu zai sa thermistor yayi zafi, ƙarfafa juriya a yanayin saukan thermistor na NTC da kare kundin daga wani karfin wutar lantarki. A madadin wani thermistor PTC a cikin wannan aikace-aikace za a iya amfani da shi don kare daga hawan haɗuwa na yanzu.
Aikace-aikace
Masana'antu sunyi amfani da aikace-aikace masu yawa, tare da yawancin zazzabi na zafin jiki da kuma karuwa. Ayyukan NTC da PTC sunada kansu zuwa aikace-aikace ciki har da:
- Bayanin alamar ruwa
- zafin farashin
- Gudun tafiya
- Kasuwanci na Raji
- Kariyar Tsaro
- Ƙarfin Ƙarfin Ƙararrawa
- Yanayin Lokaci Lokacin
- Maɓallin Ƙararrawa
Linearization
Saboda maganin da ba a jigilar magunguna na thermistors, yawancin lokaci ana buƙatar sauƙaɗar daidaituwa a fadin yanayin zafi. Ana ba da amsawar juriya na rashin jituwa zuwa yawan zafin jiki na thermistor ta hanyar daidaitaccen Steinhart-Hart wadda ke samar da kyakkyawar tsayayya ga tsarin zafi. Duk da haka, yanayin ba tare da layi ba zai haifar da daidaitattun aikin yin aiki sai dai idan an yi amfani da ƙuduri mai mahimmanci ana yin amfani da yin amfani da digiri. Yin aiwatar da daidaitattun kayan haɓaka na kayan aiki ko dai a cikin layi, jerin, ko daidaitawa da kuma jigilar jigilar bayanai tare da thermistor ya inganta daidaituwa na amsawar thermistors kuma ƙara girman yanayin aiki na thermistor a farashin wasu daidaitattun. Dole ne za a zazzage dabi'u masu adawa da aka yi amfani da su a cikin jeri na jigilar zuwa tsakiyar cibiyar zafin jiki don iyakar tasiri.