Aikace-aikacen NTC Thermistors a cikin Na'urori Masu auna sigina
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1. Gabatarwa Taƙaitaccen Bayani
Ma'aunin zafin jiki mara kyau (NTC) wani nau'in ma'aunin juriya ne na semiconductor wanda juriyarsa ta dogara da shi. yana raguwa sosai yayin da zafin jiki ke ƙaruwa. Tare da yawan zafin jiki, ƙaramin girma, saurin amsawar zafi da ƙarancin farashi, ana amfani da na'urorin thermistors na NTC sosai a cikin na'urori daban-daban don gano zafin jiki, diyya ga sigogi da kuma kariyar zafi fiye da kima.
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2. Ka'idar Aiki
Darajar juriyar na'urar thermistor ta NTC tana canzawa akai-akai tare da yanayin zafi na yanayi ko wanda aka auna. Ta hanyar da'irar raba wutar lantarki, bambancin juriya yana canzawa zuwa siginar wutar lantarki. Mai sarrafa microcontroller yana tattara siginar analog kuma yana ƙididdige zafin da ya dace don gano firikwensin, sarrafawa ta atomatik da kariyar aminci.
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3. Manyan Aikace-aikace a cikin Na'urori Masu auna sigina
(1) Na'urori masu auna zafin jiki kai tsaye
Wannan shine mafi amfani na farko. Na'urorin thermistors na NTC suna aiki azaman na'urorin auna zafin jiki don auna zafin jiki kai tsaye.
●Kayan aikin gida: Na'urorin sanyaya iska, firiji, na'urorin dumama ruwa, injinan wanki suna gano zafin ciki da na yanayi don cimma nasarar sarrafa zafin jiki ta atomatik.
●Na'urorin lantarki na mota: Ana amfani da su a cikin na'urorin auna zafin ruwa, na'urorin auna zafin iska da na'urorin auna zafin mai na ababen hawa.
●Sabbin batirin makamashi: Masu amfani da thermistors na NTC suna sa ido kan zafin batirin lithium a cikin motocin lantarki, bankunan wutar lantarki da tsarin adana makamashi, suna hana lalacewa mai zafi.
●Kayan aikin masana'antu: Ana amfani da su a cikin na'urorin zafin jiki na yau da kullun, sa ido kan sarkar sanyi da kayan aikin likita don tattara zafin jiki.
(2) Na'urori masu auna yawan jiki marasa kai tsaye
Dangane da ƙa'idar watsawar zafi, NTC na iya gano wasu sigogi na zahiri banda zafin jiki.
●Na'urori masu auna gudu da saurin iska: Iska tana ɗauke zafi daga na'urar auna zafi ta NTC mai zafi. Saurin iska yana haifar da canjin juriya, don haka ana iya auna saurin iska da saurin kwarara.
●Na'urori masu auna matakin ruwa: Ruwa da iska suna da iyawar watsa zafi daban-daban. Bambancin juriya na NTC na iya tantance matakin ruwa da kuma gano ƙarancin ruwa.
(3) Diyya ga Zafin Jiki ga Sauran Na'urori Masu auna sigina
Na'urori masu auna matsin lamba da yawa kamar na'urorin auna matsin lamba, na'urorin auna zafin jiki na Hall, na'urorin auna haske na photoelectric da na'urorin auna iskar gas suna da canjin sigina wanda canjin zafin jiki ke haifarwa. Ana haɗa na'urorin auna zafi na NTC a jere ko a layi ɗaya a cikin da'irori don rama canjin zafin jiki, inganta daidaiton aunawa da kwanciyar hankali na aiki.
(4) Na'urori masu auna zafin jiki
Ana haɗa na'urorin thermistors na NTC zuwa na'urorin wutar lantarki, na'urorin canza wutar lantarki, injina da allon da'ira don sa ido kan zafin jiki a ainihin lokacin. Idan zafin ya wuce matakin aminci, da'irar za ta yanke wutar lantarki, ta rage wutar lantarki ko kuma ta daina aiki don guje wa ƙonewar na'urori da haɗurra na aminci.
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4. Fa'idodi
1) Yanayin zafin jiki mai tsanani, ya fi ƙarfin juriyar zafi na ƙarfe.
2) Tsarin ƙarami, wanda ake samu a nau'ikan guntu da bincike, ya dace da sarari mai kunkuntar.
3) Saurin amsawar zafi mai sauri.
4) Ƙaramin farashi kuma ya dace da yawan samarwa.
5) Da'irori masu sauƙi na gefe da kuma sauƙin siginar sigina.
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5. Rashin amfani
1) Alaƙa ta bayyana tsakanin juriya da zafin jiki, wadda ke buƙatar daidaita software da kuma tsarin tebur na bincike.
2) Iyakantaccen kewayon ma'aunin zafin jiki (gabaɗaya -50℃ zuwa 150℃).
3) Aikin zafin jiki na dogon lokaci zai haifar da tsufa da kuma ɗan raguwar juriya.