Me ake Amfani da Zoben Slip Ring Don?
Zoben zamewar Mercury suna canja wurin wutar lantarki da sigina tsakanin abubuwan da ke tsaye da masu juyawa ta amfani da mercury mai ruwa azaman matsakaicin gudanarwa. Aikace-aikacen su na farko sun haɗa da tsarin radar sararin samaniya, kayan aikin hoto na likita kamar CT scanners, robotics masana'antu, injin injin iska, da ingantattun kayan aiki inda ƙarancin ƙarar wutar lantarki da ƙarancin lalata sigina ke da mahimmanci.
Ƙa'idar Ƙirar Ƙira
Ba kamar zoben zamewa na gargajiya waɗanda ke dogara da carbon ko goga na ƙarfe suna shafa akan zoben ƙarfe masu jujjuya ba, zoben zamewar mercury suna amfani da tafkin ruwa na mercury da ke hade da lambobi a tsaye da masu juyawa. Wannan yana kawar da goga na jiki gaba ɗaya, wanda ke kawar da tushen lalacewa na farko a cikin ƙirar al'ada.
Mercury ya kasance a ci gaba da tuntuɓar sassan biyu yayin juyawa, ƙirƙirar hanyar lantarki mara karye. Wannan karfen ruwa yana aiki azaman kansa{1}sake sabunta fuskar tuntuɓar wanda a zahiri yake kula da halayensa ba tare da ƙasƙantar da miliyoyin juyi ba. Matsakaicin juriyar hulɗa yana auna ƙasa da milliohm ɗaya - kusan sau 10 zuwa 20 ƙasa da buroshi{6}} tushen madadin.
Wannan ƙirar tana ba da fa'idodi masu mahimmanci guda uku: kusa da - sifiri a wurin tuntuɓar, ingantaccen haɗin wutar lantarki, kuma kusan babu buƙatun kulawa fiye da rayuwar aikin na'urar. Yawancin zoben zamewa na mercury suna aiki da dogaro ta hanyar ɗaruruwan miliyoyin juyin juya hali, tare da wasu rukunin masana'antu suna tattara abubuwan da suka wuce jujjuyawar biliyan ɗaya.
Aikace-aikace masu mahimmanci a cikin Aerospace da Tsaro
Tsarin sararin samaniya yana tura zoben zamewar mercury a aikace-aikace inda ba za a iya lalata amincin sigina ba. Hanyoyin sadarwar tauraron dan adam suna amfani da su don ci gaba da watsa bayanai yayin da majalissar eriya ke juyawa don waƙa da sigina. Ƙunƙarar ƙaramar ƙaramar ƙararrawar ƙararrawar wutar lantarki da aka auna a cikin microvolts maimakon millivolts{3}} yana tabbatar da cewa raunin sigina daga tauraron dan adam mai nisa ba a ɓacewa a cikin hayaniyar watsawa.
Hakanan tsarin radar soja ya dogara da zoben zamewar mercury don dandamalin eriya masu juyawa. Waɗannan radars dole ne su gano da bin diddigin maƙasudi da yawa a lokaci guda yayin da eriya ke ci gaba da share digiri 360. Duk wani murɗaɗɗen sigina daga zoben zamewa zai fassara zuwa maƙasudin ƙarya ko ganowa da aka rasa. Tsayayyen, ƙaramar haɗin kai - na zoben zamewar mercury yana samar da tsabtar siginar da waɗannan tsarin ke buƙata.
Kayan aikin jirgin sama a cikin jirgin yana kuma haɗa waɗannan abubuwan cikin tsarin kewayawa da hanyoyin sarrafawa inda abubuwa masu juyawa dole ne su kula da haɗin wutar lantarki a ƙarƙashin babban girgiza da yanayin zafi daban-daban. Tafkin mercury da aka rufe ya kasance yana aiki a cikin jeri na zafin jiki yawanci daga -20 digiri zuwa digiri +60, kodayake takamaiman ƙira na iya tsawaita waɗannan iyakoki.
Fasahar Hoto na Likita
CT scanners suna wakiltar ɗayan aikace-aikacen da ake buƙata don zoben zamewar mercury. Gantry a cikin na'urar daukar hoto na CT yana ci gaba da jujjuyawa cikin sauri zuwa jujjuyawa 3 a cikin dakika guda, yana buƙatar canja wurin wutar lantarki mara yankewa zuwa bututun ray na X{2} da watsa bayanai daga jerin abubuwan ganowa da yawa zuwa tsarin sarrafawa.
Na'urar daukar hoto CT guda ɗaya na iya yin jujjuyawa 50,000 zuwa 100,000 a kowace shekara. Zoben zamewar goga na al'ada na buƙatar kulawa akai-akai ko sauyawa a wannan zagayowar aiki, mai haɗari na ɗan lokaci na na'urar daukar hotan takardu wanda ke shafar kulawar mara lafiya kai tsaye. Zobba na zamewa na Mercury suna ɗaukar wannan ci gaba da aiki tare da ƙarancin lalacewa, yana riƙe da ingancin siginar da ake buƙata don manyan hotuna masu bincike na-.
Injin MRI da tsarin na'urar mutum-mutumin tiyata suma suna amfani da zoben zamewa na mercury inda mahaɗar jujjuya suke buƙatar ɗaukar siginar wuta da sarrafawa. A cikin na'ura mai ba da hanya tsakanin hanyoyin sadarwa, zoben zamewa suna ba da damar yin magana da digiri na 360 na hannun mutum-mutumi yayin da ake kiyaye daidaitaccen watsa siginar sarrafawa wanda ke shafar daidaiton tiyata kai tsaye.
Masana'antu Automation da Robotics
Wuraren masana'anta suna amfani da zoben zamewar mercury sosai a cikin makamai masu walƙiya na mutum-mutumi, tsarin taro mai sarrafa kansa, da injinan CNC tare da teburan aiki masu jujjuya. Waɗannan aikace-aikacen galibi suna haɗa babban watsa wutar lantarki na yanzu tare da siginonin sarrafawa masu mahimmanci da layukan bayanai{1}}duk suna wucewa ta hanyar juyawa iri ɗaya.
Robot na walda na yau da kullun na iya haɗa zoben zamewa mai ɗaukar amps 30 don ikon walda tare da da'irori daban-daban don amsa mai rikodin, sadarwar Ethernet, da sarrafa bawul ɗin huhu. Ƙarfin zoben mercury na zamewa don kiyaye rabuwar sigina ba tare da yin magana tsakanin da'irori ba yana tabbatar da mahimmanci lokacin da na'urorin firikwensin matsayin analog dole ne su yi aiki kusa da manyan layukan wutar lantarki na yanzu{2}.
Injin tattara kaya yana wakiltar wani muhimmin ɓangaren aikace-aikace. Layi mai girma{1}}layin cika kwalbar, alal misali, yi amfani da tebur mai jujjuyawa wanda dole ne ya kiyaye haɗin wutar lantarki zuwa cika nozzles, firikwensin, da masu kunnawa. Karamin girman mercury slip zoben - sau da yawa 50% ƙasa da daidai gwargwado{5}}asashen raka'a{6}} yana bawa masu ƙira damar shigar da waɗannan abubuwan cikin sararin samaniya{7}}arancin injuna.
Tsarin Makamashi Mai Sabuntawa
Iskar turbine naceles gidan mercury zame zoben zoben da ke canza wutar da na'ura mai ba da hanya tsakanin hanyoyin sadarwa ya samar zuwa wayar hasumiya ta tsaye. Turbine mai karfin megawatt guda 2 na iya tafiyar da amps 500-600 ta hanyar taron zoben sa na zamewa yayin da lokaci guda ke dauke da siginonin sarrafawa don daidaita fira da bayanan sa ido daga na'urori masu auna firikwensin ruwa.
Matsanancin yanayin muhalli a cikin injin injin injin iskar iska{0}}zazzabi, zafi, rawar jiki daga sauye-sauyen ruwa{1} zai lalata zoben zamewar gargajiya da sauri. Ƙungiyoyin Mercury suna jure wa waɗannan sharuɗɗan yayin da suke riƙe ƙarancin juriya da ake buƙata don rage asarar wutar lantarki. Ko da haɓakar 5% na ingantaccen watsawa yana fassara zuwa gagarumin tanadin makamashi a cikin rayuwar aikin shekaru 20 na wata gonar iska.
Ginin da aka rufe na zoben zamewa na mercury shima yana ba da juriya ga gurɓata daga barbashi na iska da danshi, duka al'amura na gama gari a cikin fallasa turbin nacelles. Wannan yana rage tazarar kulawa kuma yana tsawaita tsawon rayuwar kayan aiki a cikin shigarwa inda sabis na buƙatar kayan aiki na musamman da tagogin yanayi.
Aikace-aikacen isar da sigina
Babban watsa sigina{0}mai girma yana wakiltar aikace-aikace na musamman inda zoben mercury slip ɗin ya fi sauran zaɓuɓɓuka. Tsarin mitar rediyo, shigarwar radar, da hanyoyin sadarwa na microwave suna buƙatar zoben zamewa waɗanda ke kiyaye daidaitaccen rashin ƙarfi a cikin jujjuyawar mu'amala ba tare da gabatar da tunanin sigina ba.
Halin ruwa na Mercury yana ba da yanayin mu'amalar lantarki mai santsi wanda baya haifar da rashin daidaituwar yanayin da ke addabar abokan hulɗa na tsawon lokaci. Wannan sifa tana tabbatar da mahimmanci yayin watsa sigina a cikin megahertz zuwa gigahertz kewayon, inda ko da bambance-bambancen tuntuɓar ɗan ƙaramin abu na iya haifar da karkatar da sigina.
Kayan aikin dakin gwaje-gwaje da daidaitattun kayan auna suma suna yin amfani da zoben zamewar mercury lokacin jujjuya firikwensin ko samfurori. Watsawar siginar thermocouple, saka idanu akan ma'aunin ma'auni, da ma'aunin EMF duk suna fa'ida daga ƙaƙƙarfan ƙaƙƙarfan juriyar tuntuɓar da mercury ke bayarwa. Waɗannan aikace-aikacen galibi suna auna sigina a cikin kewayon millivolt inda kowane faɗuwar wutar lantarki ko hayaniya daga zoben zamewa kanta zai lalata ma'aunin.
Aikace-aikace na Marine da Offshore
Tsarin jirgin ruwa yana amfani da zoben zamewar mercury a cikin jujjuyawar radar masts, kayan kewayawa, da dandamalin makami. Yanayin ruwan teku yana ba da ƙalubale na musamman: feshin gishiri, zafi, bambancin zafin jiki, da ci gaba da girgiza daga motsin jirgin da yanayin teku.
Zobba na zamewar Mercury a cikin aikace-aikacen ruwa yawanci suna nuna ingantattun hatimi da lalata{0} gidaje masu juriya da aka yi daga bakin karfe ko na musamman na aluminium. Ruwan mercury da kansa ba ya lalacewa ko oxidize, yana riƙe da ƙarfinsa ko da a cikin yanayi mai tsauri wanda zai ƙasƙantar da gogewar carbon da sauri ko lambobin ƙarfe masu daraja.
Matakan hakowa daga teku sun haɗa waɗannan zoben zamewa a cikin tebura masu jujjuyawa da kayan aiki waɗanda dole ne su kula da haɗin wutar lantarki yayin jujjuyawa ƙarƙashin manyan kayan inji. Ƙarfin watsa manyan igiyoyin ruwa tare da ƙaramin zafin zafi{1}sakamakon kai tsaye na matsananci{2}}ƙananan juriya{3}} yana tabbatar da mahimmanci a cikin mahalli inda zafi mai yawa zai iya haifar da haɗarin aminci.
Kayan Aikin Masana'antu Na Musamman
Kebul reels da hose reels a cikin masana'antu suna amfani da zoben zamewar mercury don kula da wutar lantarki da sarrafa haɗin gwiwa yayin iska da kwancewa. Kayan aikin hakar ma'adinai, cranes na tashar jiragen ruwa, da injunan niƙa na ƙarfe duk suna amfani da haɗin gwiwar juyawa waɗanda dole ne su kula da ɗaruruwan amperes yayin kiyaye amincin siginar sarrafawa.
Tebur masu jujjuyawa a cikin tsarin bincike na masana'antu suna amfani da zoben zamewar mercury don ɗaukar siginar kyamaro mai ƙarfi da ƙarfin haske.{0}. Tsarin duba hangen nesa yana buƙatar watsa siginar sahihanci don kiyaye ingancin hoto, yin ƙaramin ƙarar wutar lantarki na zoben zamewar mercury mai mahimmanci don gano abin dogaro.
Kayan aikin masana'anta na Semiconductor sun haɗa zoben zamewar mercury a cikin robobin sarrafa wafer da ɗakunan sarrafawa tare da abubuwan juyawa. Wurin daki mai tsafta yana buƙatar ƙirar ƙira waɗanda ba sa haifar da gurɓataccen gurɓataccen abu{1}wani fa'idar ƙirar mercury mara gogewa akan tsarin da ke fitar da ƙurar carbon daga saka goge.
Halayen Aiki
Bayanan lantarki na zoben zamewar mercury yana ba da damar aikace-aikacen su kai tsaye. Juriyar tuntuɓar da ke ƙasa da milliohm ɗaya yana nufin cewa 30{3}Amp yana samun abubuwan da ke ƙasa da milivolts 30 a cikin jujjuyawar mu'amala-mara inganci idan aka kwatanta da ƙarfin lantarki na tsarin. Wannan yana fassara zuwa ƙarancin wutar lantarki da samar da zafi.
Hayaniyar lantarki a cikin zoben zamewar mercury yawanci yana auna ƙasa da 10 microvolts, idan aka kwatanta da yawancin millivolts a cikin goga{1}} tushen tsarin. Don kayan aiki masu mahimmanci da watsa bayanai, wannan yana wakiltar bambanci tsakanin sigina masu amfani da mara amfani. Sigina mai girma- yana da fa'ida musamman, saboda amo da bambance-bambancen da ke faruwa a wuraren tuntuɓar goga zai iya karkatar da sigina.
Matsakaicin saurin aiki ya ƙaru daga sifili RPM zuwa sama da 40,000 RPM a cikin ƙira na musamman, kodayake yawancin aikace-aikacen masana'antu suna aiki ƙasa da 1,000 RPM. Ruwan mercury yana kula da ingancin tuntuɓar duk wannan kewayon saurin ba tare da saurin dogaro da tsarin lalacewa wanda ke shafar tsarin goge baki ba.
La'akarin Tsaro da Iyakoki
Rashin guba na Mercury yana sanya ƙayyadaddun iyaka akan zaɓin aikace-aikacen. Ba za a iya amfani da zoben zamewar Mercury a kayan sarrafa abinci, masana'antar magunguna, ko duk wani aikace-aikacen da gurɓataccen mercury zai haifar da haɗarin da ba za a yarda da shi ba. Ƙuntataccen tsari a wasu hukunce-hukuncen na ƙara iyakance amfani da su.
Matsakaicin zafin jiki yana wakiltar wani ƙuntatawa. Mercury yana ƙarfafawa a - 40 digiri , yana sanya zoben zamewar mercury bai dace da aikace-aikacen cryogenic ko matsanancin yanayin sanyi ba tare da ƙarin dumama ba. Aikace-aikacen zafi mai zafi na iya buƙatar rufewa na musamman don hana tururin mercury.
Ƙirar da aka rufe tana hana bayyanar mercury yayin aiki na al'ada, tare da yawancin raka'a suna ɗauke da 2{2}} milliliters na mercury kawai a cikin ɗakunan da aka rufe. Koyaya, zubarwa a ƙarshe{3}} na rayuwa yana buƙatar kulawa ta musamman da hanyoyin sake amfani da su don hana gurɓacewar muhalli. Waɗannan buƙatun suna ƙara zuwa jimillar la'akari da farashin rayuwa.
Tambayoyin da ake yawan yi
Me yasa ake amfani da mercury maimakon goga na gargajiya?
Mercury yana ba da wurin tuntuɓar ruwa wanda ke kawar da lalacewa gaba ɗaya. Wannan yana faɗaɗa rayuwar aiki daga miliyoyin zuwa biliyoyin juyawa yayin da yake riƙe da tsayin daka, ƙarancin juriya na lantarki. Rashin juzu'i kuma yana kawar da hayaniyar wutar lantarki da ke haifar da goga mai ɗan lokaci.
Shin zoben zamewar mercury na iya watsa siginar bayanai?
Ee, sun yi fice wajen watsa bayanai. Tsayayyen haɗin wutar lantarki da ƙaramar ƙarar ƙara sun sa su dace da komai daga asali na RS -232 serial sadarwa zuwa high{3}}gudun Ethernet, USB, har ma da siginar gigahertz-range RF. Yawancin aikace-aikacen masana'antu suna haɗa ƙarfi da ka'idojin bayanai da yawa ta hanyar taron zobe na zamewar mercury guda ɗaya.
Me zai faru idan zoben zamewar mercury ya zubo?
Zane-zane na zamani suna amfani da rufaffiyar gini sau biyu{0} tare da tsarin gano ɗigogi a cikin aikace-aikace masu mahimmanci. Ƙungiyoyin da aka rufe ta hanyar hermetically suna hana yaɗuwa yayin aiki na yau da kullun. Idan lalacewa ta faru, ana buƙatar maye gurbin nan da nan da ingantattun hanyoyin dawo da mercury. Wannan haɗari ya haifar da haɓakar mercury{4}} madadin kyauta ta amfani da ruwa mai ɗaukar hoto.
Yaya tsawon lokacin zamewar zoben mercury ke wucewa?
Rayuwar aiki yawanci ta zarce jujjuyawar miliyan 500, tare da rubuce-rubucen da suka zarce jujjuyawar biliyan ɗaya. Rashin sanya sassa yana nufin hanyoyin gazawa sun haɗa da lalacewa ko lalacewar hatimi maimakon lalacewa. Ingantacciyar shigarwa da kariyar muhalli yana haɓaka rayuwar sabis.
Zoben zamewar Mercury sun kasance ma'aunin nuni don aikace-aikacen da ke buƙatar mafi ƙarancin ƙarar wutar lantarki, ƙarancin lalata sigina, da tsawon rayuwar aiki a cikin jujjuyawar haɗin lantarki. Ana ci gaba da amfani da su a cikin mahimmin tsarin inda buƙatun aiki ke tabbatar da damuwar masu guba, kodayake mercury{1}madaidaicin madaidaicin suna samun rabon kasuwa sannu a hankali yayin da ƙa'idodin muhalli ke ƙara ƙarfi kuma madadin fasahar ke girma.