Yadda za a gane ainihin babban taswira? Mutanen da suka sayi ginshiƙi na babban taswira suna tsoron siyan ainihin abin da aka yi da ƙananan kayan. To ta yaya ya kamata a gano ainihin? Wannan yana buƙatar fahimtar wasu hanyoyin ganowa don ainihin ana'ura mai girma-girma.
Idan kana son gano ainihin abin da ake amfani da shi a cikin babban taswira, kuna buƙatar sanin abubuwan da aka saba amfani da su don ainihin. Idan kuna sha'awar, kuna iya duba cikinsa. Akwai nau'ikan nau'ikan nau'ikan iri da yawamaganadisu mai laushikayan da aka yi amfani da su don auna abubuwan magnetic. Domin ana amfani da su ta hanyoyi daban-daban, akwai abubuwa da yawa masu rikitarwa waɗanda ke buƙatar auna su. Akwai ma'auni da hanyoyi daban-daban na kowane siga, wanda shine mafi mahimmancin ɓangaren auna ma'aunin maganadisu.
Aunawa na magnetic Properties
Abubuwan maganadisu masu laushi daban-daban suna da buƙatun gwaji daban-daban dangane da kayan. Don ƙarfe mai tsabta na lantarki da ƙarfe na silicon, manyan abubuwan da aka auna su ne girman ƙarfin induction magnetic induction Bm a ƙarƙashin daidaitaccen ƙarfin filin maganadisu (kamar B5, B10, B20, B50, B100) da matsakaicin ƙarfin magnetic μm da ƙarfin tilastawa Hc. Domin Permalloy da amorphous wasa, suna auna farkon magnetic permeability μi, matsakaicin ƙarfin maganadisu μm, Bs da Br; yayin dataushi ferritekayan kuma suna auna μi, μm, Bs da Br da dai sauransu. Babu shakka idan muka yi ƙoƙarin auna waɗannan sigogi a ƙarƙashin yanayin rufewa za mu iya sarrafa yadda muke amfani da waɗannan kayan (ana gwada wasu kayan ta hanyar buɗewa). Mafi yawan hanyoyin sun haɗa da:
(A) Hanyar tasiri:
Don karfen silicon, ana amfani da zoben murabba'in Epstein, sandunan ƙarfe mai tsafta, kayan maganadisu masu rauni da ƙwanƙwasa amorphous ana iya gwada su ta hanyar solenoids, da sauran samfuran da za a iya sarrafa su cikin zoben maganadisu na rufaffiyar za a iya gwadawa. Ana buƙatar samfuran gwajin da za a lalata su sosai zuwa yanayin tsaka tsaki. Ana amfani da wutar lantarki mai jujjuyawar DC da galvanometer mai tasiri don yin rikodin kowane wurin gwaji. Ta hanyar ƙididdigewa da zana Bi da Hi akan takarda mai daidaitawa, ana samun madaidaitan ma'auni na kayan maganadisu. An yi amfani da shi sosai kafin shekarun 1990. Kayan aikin da aka samar sune: CC1, CC2 da CC4. Wannan nau'in kayan aikin yana da hanyar gwaji na yau da kullun, tsayayye kuma abin dogaro, farashi mai arha, da kulawa mai sauƙi. Lalacewar su ne: abubuwan da ake buƙata don masu gwadawa suna da girma sosai, aikin gwajin maki-da-ƙira yana da wahala sosai, saurin yana jinkirin, kuma kuskuren bugun bugun jini ba tare da gaggawa ba yana da wahala a shawo kan shi.
(B) Hanyar mitar tilastawa:
Hanya ce ta aunawa musamman don tsantsar sandunan ƙarfe, wanda kawai ke auna ma'aunin Hcj na kayan. Garin gwajin ya fara cika samfurin sannan ya juya filin maganadisu. Ƙarƙashin wani filin maganadisu, simintin simintin gyare-gyare ko samfurin ana cire shi daga solenoid. Idan galvanometer tasirin waje a wannan lokacin ba shi da jujjuyawar, daidaitaccen filin maganadisu shine Hcj na samfurin. Wannan hanyar ma'auni na iya auna Hcj na kayan da kyau, tare da ƙananan zuba jari na kayan aiki, mai amfani, kuma babu buƙatun don siffar kayan.
(C) Hanyar kayan aikin madauki na hysteresis:
Ƙa'idar gwaji ɗaya ce da ƙa'idar ma'auni na madauki na hysteresis na kayan maganadisu na dindindin. Ainihin, ana buƙatar ƙara ƙarin ƙoƙari a cikin mai haɗawa, wanda zai iya ɗaukar nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan haɓaka kamar haɓaka haɓakar inductor na haɓakawa, haɓaka ƙarfin juriya, haɗin kai na Vf da haɗin samfuran lantarki. Kayan aikin gida sun haɗa da: CL1, CL6-1, CL13 daga Shanghai Sibiao Factory; Kayan aiki na kasashen waje sun hada da Yokogawa 3257, LDJ AMH401, da dai sauransu. Dangane da magana, matakin haɗin gwiwar kasashen waje ya fi girma fiye da na cikin gida, kuma daidaiton daidaito na amsawar B-gudun yana da girma sosai. Wannan hanyar tana da saurin gwajin sauri, sakamako mai fahimta kuma yana da sauƙin amfani. Rashin hasara shine cewa bayanan gwajin μi da μm ba daidai ba ne, gabaɗaya sun wuce 20%.
(D) Hanyar tasiri:
A halin yanzu ita ce mafi kyawun hanyar gwaji don gwada halayen magnetic DC mai laushi. Yana da gaske hanyar kwaikwaiyon kwamfuta ta hanyar tasirin wucin gadi. Cibiyar nazarin yanayin yanayi ta kasar Sin da Cibiyar Loudi ta kasar Sin ta samar da wannan hanyar hadin gwiwa a shekarar 1990. Kayayyakin sun hada da: MATS-2000 na'urar auna ma'aunin maganadisu (an dakatar da), NIM-2000D na'urar auna ma'aunin maganadisu (Institute Metrology) da TYU-2000D taushi Magnetic. Kayan aikin aunawa ta atomatik na DC (Tianyu Electronics). Wannan hanyar aunawa tana guje wa tsangwama na kewayawa zuwa da'irar aunawa, yadda ya kamata yana danne ɗigon ma'aunin sifili, kuma yana da aikin gwajin dubawa.
Hanyoyin auna halayen AC na kayan maganadisu masu taushi
Hanyoyin auna madaukai na AC hysteresis sun haɗa da hanyar oscilloscope, hanyar feromagnetometer, hanyar samfur, hanyar adana igiyoyin igiyar ruwa ta wucin gadi da hanyar gwajin halayen halayen AC mai sarrafa kwamfuta. A halin yanzu, hanyoyin auna madaukai AC hysteresis a kasar Sin sun fi yawa: Hanyar oscilloscope da hanyar gwajin halayen halayen AC magnetization mai sarrafa kwamfuta. Kamfanonin da ke amfani da hanyar oscilloscope sun hada da: Dajie Ande, Yanqin Nano da Zhuhai Gerun; Kamfanonin da ke amfani da hanyar gwajin halayen halayen AC magnetization mai sarrafa kwamfuta sun haɗa da: Cibiyar Nazarin Jiki ta China da Tianyu Electronics.
(A) Hanyar Oscilloscope:
Mitar gwajin ita ce 20Hz-1MHz, mitar aiki yana da faɗi, kayan aiki yana da sauƙi kuma aikin ya dace. Koyaya, daidaiton gwajin yana da ƙasa. Hanyar gwajin ita ce yin amfani da resistor mara amfani don samfurin na yanzu na farko da kuma haɗa shi zuwa tashar X na oscilloscope, kuma tashar Y ta haɗa da siginar lantarki na biyu bayan haɗin RC ko haɗin Miller. Ana iya ganin lanƙwan BH kai tsaye daga oscilloscope. Wannan hanyar ta dace da ma'aunin kwatancen abu ɗaya, kuma saurin gwajin yana da sauri, amma ba zai iya auna daidai sifofin halayen maganadisu na kayan ba. Bugu da kari, tunda ba a sarrafa madaidaicin madaidaicin madaidaicin madaidaicin madauki, madaidaicin madaidaicin akan madaidaicin BH ba zai iya wakiltar ainihin bayanan kayan ba kuma ana iya amfani dashi don kwatantawa.
(B) Hanyar kayan aikin Ferromagnetic:
Hanyar kayan aikin ferromagnetic kuma ana kiranta da hanyar mitar vector, kamar kayan auna nau'in CL2 na gida. Mitar aunawa shine 45Hz-1000Hz. Kayan aiki yana da tsari mai sauƙi kuma yana da sauƙi don aiki, amma zai iya rikodin maƙallan gwaji na al'ada kawai. Ƙa'idar ƙira tana amfani da gyare-gyare-tsalle-tsalle don auna ƙimar ƙimar ƙarfin lantarki ko halin yanzu, da kuma lokacin biyun, kuma yana amfani da mai rikodi don nuna madaidaicin BH na kayan. Bt=U2au/4f*N2*S, Ht=Umax/l*f*M, inda M shine inductance juna.
(C) Hanyar Samfur:
Hanyar samfurin tana amfani da da'irar jujjuyawar samfur don canza siginar wutar lantarki mai saurin canzawa zuwa siginar wutar lantarki mai nau'in igiyar igiyar ruwa amma saurin saurin canzawa, kuma yana amfani da ƙaramin saurin AD don yin samfur. Bayanan gwajin daidai ne, amma mitar gwajin ya kai 20kHz, wanda ke da wahala a daidaita da babban mitar kayan maganadisu.
(D) Hanyar gwajin halayen magnetization AC:
Wannan hanya ita ce hanyar aunawa da aka ƙera ta hanyar yin cikakken amfani da ikon sarrafawa da sarrafa software na kwamfutoci, kuma hanya ce mai mahimmanci don haɓaka samfura a nan gaba. Zane yana amfani da kwamfutoci da madaukai na samfur don sarrafa madauki, ta yadda za'a iya yin duka gwargwadon yadda ake so. Da zarar an shigar da yanayin ma'auni, ana kammala aikin auna ta atomatik kuma ana iya sarrafa sarrafawa ta atomatik. Hakanan aikin auna yana da ƙarfi sosai, kuma yana iya kusan cimma daidaitaccen ma'auni na duk sigogin kayan maganadisu masu taushi.
Ana tura labarin daga Intanet. Manufar aikawa shine don bawa kowa damar sadarwa da koyo.
Lokacin aikawa: Agusta-23-2024