Idan ka ziyarci masana'anta na zamani kuma ka lura da na'urorin lantarki masu ban mamaki da ke aiki a cikin tantanin halitta, za ka ga na'urori masu auna firikwensin iri-iri a kan nuni. Yawancin waɗannan na'urori masu auna firikwensin suna da wayoyi daban-daban don samar da ingantaccen ƙarfin lantarki, ƙasa da sigina. Yin amfani da wutar lantarki yana ba na'urar firikwensin damar yin aikinsa, ko wannan yana lura da kasancewar karafan ferromagnetic a kusa ko aika da hasken wuta a matsayin wani ɓangare na tsarin tsaro na wurin. Maɓallai masu ƙasƙantar da kai waɗanda ke haifar da waɗannan na'urori masu auna firikwensin, kamar na'urar reed, kawai suna buƙatar wayoyi biyu don yin ayyukansu. Waɗannan maɓallan suna kunna ta amfani da filayen maganadisu.
Menene Reed Switch?
An haifi Reed switch a shekara ta 1936. Ita ce ta WB Ellwood a Bell Telephone Laboratories, kuma ta sami haƙƙin mallaka a shekara ta 1941. Canjin yana kama da ƙaramin gilashin gilashi tare da jagororin lantarki yana fitowa daga kowane ƙarshen.
Ta yaya Reed Switch ke aiki?
Na'urar sauya sheka ta ƙunshi ruwan wukake na ferromagnetic guda biyu, waɗanda ƴan micron kaɗan suka rabu. Lokacin da maganadisu ya kusanci waɗannan ruwan wukake, ruwan wukake biyu suna ja da juna. Da zarar an taɓa, ruwan wukake suna rufe lambobin sadarwa na yau da kullun (NO), suna barin wutar lantarki ta gudana. Wasu maɓalli na reed kuma sun ƙunshi lambar sadarwa mara-feromagnetic, wacce ke samar da fitowar da aka saba rufe (NC). Magnet da ke gabatowa zai katse haɗin sadarwar kuma ya ja nisa daga mai sauyawa lamba.
Ana yin lambobi daga ƙarfe iri-iri, gami da tungsten da rhodium. Wasu nau'ikan ma suna amfani da mercury, wanda dole ne a kiyaye shi cikin yanayin da ya dace don canzawa daidai. Ambulan gilashin da ke cike da iskar gas - yawanci nitrogen - yana rufe lambobin sadarwa a matsi na ciki a ƙarƙashin yanayi ɗaya. Rufewa yana ware lambobin sadarwa, wanda ke hana lalata da duk wani tartsatsin da zai iya haifar da motsin lamba.
Reed Canja Aikace-aikacen a Duniyar Gaskiya
Za ku sami na'urori masu auna firikwensin a cikin abubuwan yau da kullun kamar motoci da injin wanki, amma ɗaya daga cikin fitattun wuraren da waɗannan na'urori masu auna firikwensin ke aiki shine a cikin ƙararrawar ɓarawo. A zahiri, ƙararrawa kusan cikakkiyar aikace-aikacen wannan fasaha ne. Taga ko ƙofa mai motsi yana ɗaukar magnet, kuma firikwensin yana zaune a kan tushe, yana wucewa da sigina har sai an cire magnet. Tare da buɗe taga - ko kuma idan wani ya yanke waya - ƙararrawa zai yi sauti.
Yayin da ƙararrawar ɓarayi ke da kyakkyawan amfani ga masu sauya sheƙa, waɗannan na'urori na iya zama ƙarami. Canjin da aka ɗanɗana zai dace a cikin na'urorin likitancin da aka ci wanda aka sani da PillCams. Da zarar majiyyaci ya hadiye ɗan ƙaramin binciken, likita na iya kunna ta ta amfani da magnet a wajen jiki. Wannan jinkirin yana adana iko har sai an sanya binciken daidai, wanda ke nufin batura na kan jirgin na iya zama ƙarami, wani muhimmin fasali a cikin wani abu da aka ƙera don tafiya ta hanyar narkewar ɗan adam. Bayan ƙananan girmansa, wannan aikace-aikacen kuma yana kwatanta yadda za su iya zama masu hankali, kamar yadda waɗannan na'urori masu auna firikwensin zasu iya ɗaukar filin maganadisu ta naman mutum.
Reed switches baya buƙatar maganadisu na dindindin don kunna su; relay na electromagnet zai iya kunna su. Tun da Bell Labs ya fara haɓaka waɗannan maɓallan, ba abin mamaki ba ne cewa masana'antar tarho sun yi amfani da relays relays don sarrafawa da ayyukan ƙwaƙwalwar ajiya har sai komai ya zama dijital a cikin 1990s. Irin wannan relay ba ya zama ƙashin bayan tsarin sadarwar mu, amma har yanzu suna da yawa a wasu aikace-aikace a yau.
Amfanin Reed Relays
Babban firikwensin tasirin Hall shine na'ura mai ƙarfi mai ƙarfi wanda zai iya gano filayen maganadisu, kuma madadin guda ɗaya ce ga maɓalli na reed. Tasirin zauren tabbas sun dace da wasu aikace-aikace, amma masu sauyawa na Reed suna da fifikon keɓantawar wutar lantarki ga takwararsu mai ƙarfi, kuma suna fuskantar ƙarancin juriyar wutar lantarki saboda rufaffiyar lambobin sadarwa. Bugu da ƙari, na'ura mai ba da hanya tsakanin hanyoyin sadarwa na iya aiki tare da nau'ikan ƙarfin lantarki, lodi da mitoci, kamar yadda canjin ke aiki kawai azaman waya mai haɗawa ko yankewa. A madadin, kuna buƙatar tallafin kewayawa don ba da damar firikwensin Hall suyi aikinsu.
Canjin Reed yana da babban abin dogaro ga canjin injina, kuma suna iya yin aiki na biliyoyin hawan keke kafin gazawa. Bugu da ƙari, saboda ginin da aka rufe, suna iya aiki a cikin wuraren fashewa inda tartsatsi zai iya haifar da mummunan sakamako. Maɓallin Reed na iya zama tsohuwar fasaha, amma sun yi nisa daga tsufa. Kuna iya amfani da fakitin da ke ɗauke da maɓalli na reed zuwa allunan da'irar bugu (PCBs) ta amfani da injunan ɗauka da wuri mai sarrafa kansa.
Ginawar ku na gaba na iya yin kira don haɗaɗɗun da'irori da abubuwan haɗin gwiwa iri-iri, waɗanda duk an fara yin su a cikin ƴan shekarun da suka gabata, amma kar a manta da canjin ƙasƙantar da kai. Yana kammala ainihin aikinsa na sauyawa a hanya mai sauƙi. Bayan fiye da shekaru 80 na amfani da haɓakawa, zaku iya dogaro da ƙoƙarce-ƙoƙarce da ƙira na gaskiya na Reed don yin aiki akai-akai.
Lokacin aikawa: Afrilu-22-2024