Idan kana da damar harhada na'urar maganadisu mai jujjuyawar maganadisu, yawanci zaka ga tsarin ciki kamar wanda aka nuna a sama. Encoder na maganadisu ya ƙunshi mashin injina, tsarin harsashi, taron PCB a ƙarshen maƙallan, da ƙarami.maganadisu diskijuyawa tare da shaft a ƙarshen injin injin.
Ta yaya maganadisu encoder ke auna martanin matsayi na juyawa?
Tasirin Zaure: samar da yuwuwar bambance-bambance a tsakanin madugu da ke ɗauke da wutar lantarki lokacin da aka yi amfani da filin maganadisu a daidai gwargwado zuwa na yanzu.
Idan filin maganadisu da aka yi amfani da shi a kan madugu yana jujjuya shi ta hanyar da kibiyar da ke sama ta nuna tare da hanyar gudana a halin yanzu a matsayin axis, bambancin yuwuwar Hall zai canza saboda canjin kusurwa tsakanin filin maganadisu da jagorar, da kuma canjin yanayi na yuwuwar bambancin shine lanƙwan sinusoidal. Sabili da haka, dangane da ƙarfin lantarki a bangarorin biyu na mai sarrafa kuzari, ana iya ƙididdige kusurwar jujjuyawar filin maganadisu a baya. Wannan shine ainihin tsarin aiki na mai rikodin maganadisu yayin auna martanin matsayi na juyawa.
Hakazalika ka'idar cewa mai warwarewa yana amfani da nau'i biyu na coils ɗin fitarwa na juna, biyu (ko nau'i-nau'i) abubuwan shigar da zauren hall tare da kwatancen halin yanzu ana kuma buƙatar su a cikin ma'aunin maganadisu don tabbatar da keɓaɓɓen wasiku tsakanin yanayin juyawa na filin maganadisu. da kuma fitarwa ƙarfin lantarki (haɗuwa).
A zamanin yau, na'urori masu auna firikwensin Hall (kwakwalwa) da ake amfani da su a cikin masu rikodin maganadisu gabaɗaya suna da babban matakin haɗin gwiwa, wanda ba wai kawai yana haɗa abubuwan haɗin semiconductor na hall da sarrafa siginar da da'irori masu alaƙa ba, har ma yana haɗa nau'ikan nau'ikan nau'ikan fitarwa na sigina, kamar sine da cosine analog. sigina, siginonin matakin dijital mai murabba'i ko raka'o'in fitarwar sadarwar bas.
Ta wannan hanya, shigar da maganadisu na dindindin kamar sintered Neodymium magnet wanda ke haifar da filin maganadisu a ƙarshen madaidaicin juzu'i, sanya guntu firikwensin zauren da aka ambata a sama a kan allon da'ira na PCB, kuma kusanci magnet ɗin dindindin a ƙarshen encoder. shaft bisa ga wasu buƙatu (shugabanci da nisa).
Ta hanyar nazarin fitowar siginar wutar lantarki daga firikwensin zauren ta hanyar allon kewayawa na PCB, ana iya gano wurin jujjuyawar na'urar rotor.
Tsarin da ƙa'idar aiki na ma'aunin maganadisu yana yanke shawarar buƙatu na musamman game da wannan maganadisu na dindindin misali kayan maganadisu, siffar maganadisu, jagorar maganadisu, da sauransu.Magnetized Neodymium Magnetizeddiski shine mafi kyawun zaɓi na maganadisu. Ningbo Horizon Magnetics an gogaggen a samar da yawa masana'antun na Magnetic encodes da wasu masu girma dabam nadiametrical Neodymium faifan maganadisu, D6x2.5mm da D10x2.5mm diametric faifan Neodymium maganadiso wanda shine mafi mashahuri samfura.
Ana iya ganin cewa idan aka kwatanta da na al'ada na gani na gani, da Magnetic encoder ba ya bukatar wani hadadden code faifai da kuma haske tushen, adadin da aka gyara ne m, da kuma gano tsarin ne mafi sauki. Bugu da ƙari, Hall element kanta ma yana da fa'idodi da yawa, irin su m tsari, ƙananan girman, nauyi mai sauƙi, tsawon rayuwar sabis, juriya na girgiza, rashin jin tsoron ƙura, mai, tururin ruwa da gurɓataccen hazo na gishiri ko jiran lalata.
Lokacin da aka yi amfani da fasahar encoder na maganadisu zuwa wurin jujjuyawa na injin lantarki, dasintered NdFeB magnet Silindana Magnetic encoder za a iya shigar kai tsaye a karshen mashin mota. Ta wannan hanyar, zai iya kawar da jujjuyawar haɗin kai (ko haɗawa) da ake buƙata yayin amfani da na'urar ra'ayi na gargajiya, da cimma ma'aunin matsayi mara lamba, wanda ke rage haɗarin gazawar rikodin rikodin (ko ma lalacewa) saboda girgiza igiyar injina yayin girgiza. aikin injin lantarki. Saboda haka yana taimakawa wajen inganta kwanciyar hankali na aikin motar lantarki.
Lokacin aikawa: Jul-21-2022