Na'urorin firikwensin zauren sun dogara ne akan tasirin Hall. Tasirin Hall hanya ce ta asali don nazarin kaddarorin kayan semiconductor. Ƙididdigar ɗakin da aka auna ta hanyar gwajin tasirin Hall na iya ƙayyade mahimman sigogi kamar nau'in gudanarwa, maida hankali mai ɗaukar kaya da motsin mai ɗaukar kaya na semiconductor.
Rabewa
An raba na'urori masu auna firikwensin zauren zuwa na'urori masu auna firikwensin Hall na layi da na'urori masu sauya salon.
1. Linear Hall firikwensin ya ƙunshi kashi na Hall, amplifier na layi da mai bin emitter, kuma yana fitar da adadin analog.
2. Nau'in na'urar firikwensin Hall yana kunshe da mai sarrafa wutar lantarki, nau'in Hall, amplifier daban-daban, faɗakarwar Schmitt da matakin fitarwa, kuma yana fitar da adadi na dijital.
Abubuwan da aka yi da kayan semiconductor dangane da tasirin Hall ana kiran su abubuwan Hall. Yana da abũbuwan amfãni na kasancewa mai kula da filayen maganadisu, mai sauƙi a cikin tsari, ƙananan girman, fadi a cikin amsawar mita, babba a cikin bambancin wutar lantarki da kuma tsawon rayuwar sabis. Don haka, an yi amfani da shi sosai a fannonin aunawa, sarrafa kansa, kwamfuta da fasahar bayanai.
Maikace-aikace
Ana amfani da firikwensin tasirin zauren azaman na'urori masu auna firikwensin matsayi, ma'aunin saurin jujjuyawa, iyakoki da ma'aunin kwarara. Wasu na'urori suna aiki bisa tasirin Hall, kamar na'urori masu auna firikwensin halin yanzu, Canjin tasirin ganye na Hall, da na'urori masu ƙarfi na filin magnetic. Na gaba, firikwensin matsayi, firikwensin saurin juyawa da zafin jiki ko firikwensin matsa lamba galibi ana bayyana su.
1. Matsayin firikwensin
Ana amfani da na'urori masu auna firikwensin hall don jin motsin zamewa, a cikin irin wannan nau'in firikwensin za a sami tazarar da aka sarrafa sosai tsakanin rukunin zauren da maganadisu, kuma filin maganadisu da aka jawo zai canza yayin da maganadisu ke motsawa baya da gaba a tsayayyen rata. Lokacin da sinadarin yana kusa da sandar arewa, filin zai zama mara kyau, kuma lokacin da sinadarin ke kusa da sandar kudu, filin maganadisu zai kasance tabbatacce. Ana kuma kiran waɗannan na'urori masu auna firikwensin kusanci kuma ana amfani da su don daidaitaccen matsayi.
2. Saurin firikwensin
A cikin saurin fahimtar saurin, ana sanya firikwensin tasirin Hall a tsaye yana fuskantar maganadisu mai juyawa. Wannan maganadisu mai juyawa yana haifar da filin maganadisu da ake buƙata don sarrafa firikwensin ko ɓangaren Hall. Shirye-shiryen maganadisu masu juyawa na iya bambanta, dangane da dacewa da aikace-aikacen. Wasu daga cikin waɗannan shirye-shiryen sune ta hanyar hawa maganadisu guda ɗaya akan shaft ko cibiya ko ta amfani da maganadisun zobe. Babban firikwensin Hall yana fitar da bugun bugun jini duk lokacin da ya fuskanci maganadisu. Bugu da ƙari, waɗannan nau'ikan bugun jini ana sarrafa su ta hanyar sarrafawa don tantancewa da nuna saurin gudu a cikin RPM. Waɗannan na'urori masu auna firikwensin na iya zama na'urori masu auna firikwensin analog na dijital ko na layi.
3. Zazzabi ko firikwensin matsa lamba
Hakanan za'a iya amfani da na'urori masu tasiri na Hall azaman matsi da na'urori masu auna zafin jiki, waɗannan na'urori masu auna firikwensin suna haɗe tare da matsa lamba mai jujjuya diaphragm tare da maganadisu masu dacewa, kuma taron maganadisu na bellow yana kunna fasalin tasirin Hall gaba da gaba.
A cikin yanayin ma'aunin matsa lamba, ƙwanƙwasa yana ƙarƙashin fadadawa da raguwa. Canje-canje a cikin ƙwanƙwasa yana haifar da taron maganadisu don matsawa kusa da sashin tasirin Hall. Saboda haka, sakamakon ƙarfin wutar lantarki ya yi daidai da matsa lamba da aka yi.
A cikin yanayin ma'auni na zafin jiki, an rufe taro na bellow tare da iskar gas tare da sanannun halayen haɓaka zafi. Lokacin da ɗakin ya yi zafi, iskar gas a cikin bellow yana faɗaɗa, wanda ke haifar da firikwensin ya haifar da ƙarfin lantarki daidai da yanayin zafi.
Lokacin aikawa: Nuwamba-16-2022