Wace hanya ce ta bayyana yadda zamewar zoben ke aiki?
Zoben zamewa suna canja wurin wutar lantarki tsakanin sassa na tsaye da masu juyawa. Tsarin asali yana amfani da goge-goge waɗanda ke kula da tuntuɓar zoben ɗabi'a da aka ɗora akan madaidaicin juzu'i - carbon ko gogashin ƙarfe mai daraja danna kan waɗannan zoben yayin da komai ke juyawa.
Yawancin aikace-aikacen masana'antu sun dogara da wannan lambar sadarwa{0}hanyar canja wuri saboda ita ce injiniyan kai tsaye. Majalisun zamewar zobe na Moog don injin turbin na iska suna ɗaukar ƙarfi har zuwa 690V uku{3}, bisa ga ƙayyadaddun bayanai akan moog.com, kuma waɗannan rukunin suna aiki a cikin janareta waɗanda ke buƙatar ci gaba da haɗin wutar lantarki yayin da nacelle ke juyawa don fuskantar alkiblar iska.
Hanyar Tuntuɓar Har yanzu tana Mamaye
Gogayen carbon suna zamewa da jan karfe ko zinariya - zoben da aka fentin. Matsakaicin lamba yana daga 20 zuwa 200 grams yawanci, kodayake wannan ya bambanta sosai dangane da aikace-aikacen. Za ku sami abubuwa daban-daban da aka yi amfani da su don dalilai daban-daban - azurfa{6}} graphite brushes don babban halin yanzu (wasu ƙira suna riƙe da 500+ amps a kowace zobe), azurfa tsantsa don watsa siginar ƙaramar amo, platin zinari lokacin lalata ya fi tsada.
CT scanners suna amfani da zoben zamewa waɗanda ke jujjuya a 200+ rpm ci gaba. Cobham yana ba da waɗannan ga masana'antun kayan aikin likitanci - gidan yanar gizon su cobham.com ya lissafa ƙayyadaddun bayanai da ke nuna zoben zamewar tashoshi 100{5}} suna watsa siginar bayanai masu ƙarfi da ƙarfi a lokaci guda don jujjuyawar gantry. Tashoshin bayanan suna gudana a mitoci har zuwa 100 MHz yayin da taron guda ɗaya ke ɗaukar kilowatts na ƙarfin mota da yawa. Wannan ƙirar ƙira biyu{10} tana samun rikitarwa saboda kuna haɗa layin bayanai masu sauri tare da manyan hanyoyin yanzu a cikin juzu'i iri ɗaya.
Mutuncin sigina ya zama batun sama da wasu saurin gudu. bouncer lamba yana faruwa, hayaniyar lantarki yana ƙaruwa, sawa yana ƙaruwa. Wasu ƙira sun sanya zoben da ke gaba, wasu suna amfani da kayan goge daban-daban don zobba daban-daban a cikin taro ɗaya.
Rings Slip Rings Akwai Amma Babu Wanda Yake Amfani Da Su Kuma
Akwai hanyar tuntuɓar ƙarfe na ruwa ta amfani da mercury wanda ke kawar da goge goge gaba ɗaya. Alamar jujjuyawar tana gudana ta cikin tafkin mercury, don haka babu gogayya ko lalata injina. Juriya na lantarki yana tsayawa mara nauyi da daidaito.
Dokokin muhalli sun kashe wannan fasaha don yawancin aikace-aikace. Mercury yana da guba, ɗaukar nauyi yana da wahala, kuma zubar yana haifar da matsaloli. Wasu ƴan ƙwararrun sojoji da tsarin bincike har yanzu suna amfani da zoben zamewa na mercury inda fa'idodin aikin ya zarce haɗari, amma masana'antun kasuwanci sun yi watsi da wannan tsarin shekaru da yawa da suka gabata. Juriyar tuntuɓar mu'amalar mercury tana auna kusan 0.001 ohms idan aka kwatanta da 0.05-0.5 ohms don lambobin goga, wanda ke da mahimmanci a wasu madaidaicin tsarin ma'aunin amma bai isa ba don tabbatar da haɗarin kamuwa da cuta.
Fiber Optic Rotary Joints sun Canza Wasu Aikace-aikace
Lokacin da kake buƙatar canja wurin bayanai maimakon wutar lantarki, fiber optic rotary gidajen abinci (FORJs) kauce wa hulɗar lantarki gaba ɗaya. Waɗannan suna amfani da daidaitattun abubuwan gani masu layi - hasken hasken yana wucewa daga fiber ɗin da ke tsaye ta hanyar juyawa zuwa wani fiber a gefen juyawa. Robots na likita da turrets na soja sun canza zuwa FORJs don bidiyo da watsa bayanai saboda babu hayaniyar wutar lantarki da ƙarancin bandwidth mara iyaka.
Ba sa aiki don canja wurin wutar lantarki ko da yake, abin da ainihin tambayar ta yi. Har yanzu kuna buƙatar zoben zamewa na al'ada idan injina da masu kunnawa suna buƙatar wutar lantarki akan taron juyi.
Multi-Tsarin Tashar Tashar Taro Tari Zoben Hankali
Injunan hadaddun yana buƙatar dozin ko ɗaruruwan da'irori daban-daban suna juyawa tare. Zane-zanen masana'antu sun tattara zoben da ke gudanar da zobe tare da madaidaicin shaft tare da rufi tsakanin kowace zobe, da shingen goge daban suna tuntuɓar kowane zobe da kansa. Wasu majalisai suna haɗa zoben wuta, zoben siginar sarrafawa, da manyan tashoshi masu mitar bayanai duk a raka'a ɗaya.
Ana inganta tazarar zobe da geometry na goga dangane da buƙatun ƙarfin lantarki da nau'ikan sigina. Maɗaukakin ƙarfin lantarki yana buƙatar ƙarin sharewar rufewa - za ku ga watakila 3mm tsakanin zobe don siginar sarrafawa na 24V amma 10mm+ tsakanin zoben wuta na 480V. Daidaita matsa lamba ma yana da mahimmanci saboda rashin isassun matsi yana haifar da tuntuɓar ɗan lokaci yayin da matsa lamba mai yawa yana haɓaka lalacewa kuma yana ƙara juzu'i.
Haƙurin masana'antu sun fi ƙarfin da kuke tsammani. Matsakaicin zobe da ƙarewar saman kai tsaye suna shafar ingancin lamba da rayuwar sabis. Dangane da bayanan fasaha daga machinedesign.com, ƙayyadaddun ƙayyadaddun ƙayyadaddun yanayi don daidaitattun zoben zamewa suna gudana a kusa da 0.4 microns Ra ko mafi kyau, wanda aka yi amfani da su akan lathes na musamman waɗanda ke kula da zagaye a cikin ƴan microns akan duk kewayen.
Tasirin Zazzabi da Ƙarfin Yanzu
Ƙarfin halin yanzu ya dogara da yankin lamba da sanyaya. Faɗin zobe na 10mm tare da gogayen carbon guda huɗu waɗanda ke yin tuntuɓar na iya ɗaukar amps 15-20 gabaɗaya kafin zafi fiye da kima ya zama damuwa, amma ƙara sanyaya iska mai tilastawa kuma wannan taron yana ɗaukar amps 40+. Juriyar tuntuɓar goga yana haifar da zafi daidai da asarar I²R, kuma a mafi girma magudanar ruwa kuna watsar da wutar lantarki mai ƙarfi a wurin sadarwa.
Fadada yanayin zafi yana haifar da sauye-sauye masu girma waɗanda ke shafar matsa lamba da daidaitawa. Zazzabi hawan keke yana ƙarfafa taron kuma yana ba da gudummawa ga lalacewa. Wasu ƙira suna amfani da masu riƙe buroshi na bazara{2}}waɗanda aka ɗora su don kula da daidaitaccen matsin lamba yayin da sassan ke faɗaɗawa kuma suna yin kwangila tare da yanayin zafi.
Maɗaukakin tsayi da aikace-aikacen vacuum suna buƙatar kulawa ta musamman saboda rage ƙarfin iska yana rage ƙarfin sanyi kuma yana iya haifar da harbin lantarki a ƙananan ƙarfin lantarki fiye da aikin matakin teku.
Canja wurin Wutar Lantarki Ya Kasance Amma Yana da Iyaka
Hannun haɗaɗɗiyar haɓakawa da masu ƙarfi suna canja wurin iko ba tare da lamba ta jiki ba. Waɗannan suna aiki da kyau don ƙananan aikace-aikacen wutar lantarki - tsarin caji mara waya don mutummutumi, watsa bayanai mara lamba, abubuwa makamantan haka. Wasu ƙira sun kai kilowatt{4}} canja wurin wutar lantarki ta hanyar amfani da masu juyawa.
Ingantaccen aiki yana raguwa tare da tazarar tazarar iska da rashin daidaituwa tsakanin sassa masu jujjuyawa da a tsaye. Bugu da kari kuna buƙatar na'urorin sarrafa kayan lantarki na zamani don kula da tsayayyen wutar lantarki yayin da haɗin gwiwar ke canzawa yayin juyawa. Don injunan masana'antu masu nauyi da ke buƙatar ingantaccen haɗin kai{2} na yanzu, gogewa{3}} nau'in zoben zamewa ya kasance daidaitattun ma'auni saboda sun fi sauƙi kuma suna da ƙarfi duk da bukatun kulawa.
Hanyar tuntuɓar ta yin amfani da goge-goge da zobe yana bayyana yadda mafi yawan zoben zamewa ke aiki saboda fasaha ce ta tabbatar da cewa tana yin sikeli daga milliamps zuwa ɗaruruwan amps, tana sarrafa da'irori da yawa a lokaci guda, kuma baya buƙatar hadaddun lantarki. Tazarar kulawa ta bambanta - wasu rukunin masana'antu suna gudanar da shekaru 2-3 tsakanin masu maye gurbin goga, wasu suna buƙatar kulawa kowane ƴan watanni dangane da zagayowar aiki da yanayin muhalli. tarkacen sawa abin la'akari ne a cikin tsabtataccen muhalli, kuma ƙurar goga na iya gurɓata abubuwan da ke kusa idan ba a rufe su da kyau ba.
Wannan ya ƙunshi manyan hanyoyin da kuma dalilin da yasa hanyar tuntuɓar injin ɗin ke mamaye duk da iyakokinta.