Tare da ci gaba mai ƙarfi na masana'antar lantarki, gano matsayi na wasu sassa na tsarin sannu a hankali yana canzawa daga ma'aunin tuntuɓar na asali zuwa ma'aunin mara lamba ta hanyar.Hall matsayi firikwensin da maganadisu.Ta yaya za mu iya zaɓar magnet mai dacewa bisa ga samfuranmu da tsarin mu?Anan muna yin bincike mai sauƙi.
Da farko, muna buƙatar ƙayyade kayan maganadisu.A halin yanzu, samarium cobalt magnet da neodymium iron boron ana amfani da su sosai a cikin firikwensin matsayi na zauren.Babban bambanci tsakanin maganadisu biyu shine cewa dangane da ƙarar guda ɗaya NdFeB magnet sun fi ƙarfin samarium cobalt maganadiso;yawon shakatawa na thermal na samarium cobalt ya fi na Nd-Fe-B;juriya na oxidation na samarium cobalt ya fi ƙarfin Nd-Fe-B, amma gabaɗaya akwai shafi a waje na magnet, wanda zai iya magance matsalar iskar shaka;da samarium cobalt maganadisu yana da mafi zafin jiki juriya fiye da NdFeB maganadisu, amma zafin jiki juriya darajar duka maganadisu kayan iya isa fiye da 200 ℃.Don haka, lokacin zabar nau'in maganadisu, yakamata mu kimanta shi tare da aikin farashi, yanayin aiki da yanayin aiki.Gabaɗaya, ana iya ƙara amfani da NdFeB, musamman saboda yana da mafi kyawun halayen filin maganadisu.Koyaya, lokacin aiki a cikin kewayon zafin jiki mai faɗi, ana ba da shawarar zaɓin samarium cobalt magnet saboda ƙaramin motsin thermal.
Bugu da kari, muna buƙatar ƙayyade wasu mahimman sigogi na maganadisu.Dangane da bayanin matsayin gwaji da kuma motsin abu, muna ƙayyade ko jagorar maganadisu na maganadisu diametrical ne ko axial.Bugu da ƙari, an ƙayyade ko za a zaɓi asquare maganadisuko asilinda maganadisubisa ga tsarin shigarwa.Tabbas, wani lokacin muna buƙatar siffanta siffar maganadisu bisa ga tsari.Akwai wani abu na buƙatu game da jujjuyawar maganadisu, wanda koyaushe shine damuwarmu a zaɓin maganadisu.A hakikanin gaskiya, muna bukatar mu yi nazari a kansa ta fuskoki biyu masu zuwa:
1. Ƙarfin filin maganadisu da aka jawo ta wurin firikwensin matsayi na zauren da kansa da kewayon filin maganadisu da aka jawo a kowane shugabanci za a yi alama a fili a cikin littafin bayanan firikwensin.
2. Nisa tsakanin maganadisu da firikwensin kanta gabaɗaya an ƙaddara ta tsarin samfurin.Dangane da abubuwan da ke sama da abubuwan da ke sama da filin maganadisu a cikin hoton da ke ƙasa a matsayin misali, zamu iya ƙayyade ƙarfin filin maganadisu na maganadisu da ake buƙata.
A ƙarshe, dole ne mu fahimci cewa ba yana nufin cewa muddin filin maganadisu ya faɗi akan kewayon buƙatun firikwensin, maganadisu na iya yin nisa da firikwensin.Kodayake firikwensin da kansa yana da aikin daidaitawa, muna buƙatar fahimtar cewa lokacin da maganadisu ya yi nisa da firikwensin, rarraba filin maganadisu da kansa yana da wahala don tabbatar da layi ko kusa da layi.Wannan yana nufin cewa tare da canjin matsayi da rarrabawar filin maganadisu ba tare da layi ba, ma'aunin firikwensin zai zama mai rikitarwa kuma daidaitawar zai zama mai rikitarwa sosai, don kada samfurin ya sake dawowa.
Abin da ke sama kawai bincike ne mai sauƙi na zaɓin maganadisu a aikace-aikacen firikwensin Hall.Muna fatan zai taimaka muku.Idan kuna da wasu tambayoyi yayin aikin haɓakawa, da fatan za a tuntuɓe mu,Ningbo Horizon Magnetics.Za mu iya yin ƙarin sadarwa kuma mu ba ku goyon bayan fasaha.
Lokacin aikawa: Agusta-12-2021