Mehele ea Slip ho jenereithara ke eng?
Mehele e thellang holim'a jenereithara ke mehele ea tšepe e tsamaisang e lumellang hore motlakase o fete lipakeng tsa rotor e potolohang le potoloho ea kantle e emeng. Li boloka ho kopana ho sa khaotseng ka borashe ba k'habone, ho lumella lijenereithara ho hlahisa matla a AC ntle le lithapo tse hohlang nakong ea ho potoloha.
Mokhoa oa ho Slip Rings o sebetsa joang ho li-generator Systems
Molao-motheo oa ts'ebetso o shebana le ho boloka tsela ea motlakase e sa senyehang nakong ea ho potoloha ho tsoelang pele. Reling e na le libanta tse boreleli, tse chitja tse bilikang{1}}hangata koporo kapa koporo-tse kentsoeng ka kotloloho holim'a shaft e potolohang. Nako ea selemo-Marashe a khabone a lula a eme ha a ntse a thella ka mehele ena e ohiang.
Ha rotor e thinya ka har'a jenereithara, induction ea electromagnetic e etsa hore ho be le maqhubu a feto-fetohang mapheong a rotor. Sena se hlahisoang hona joale se hloka tsela ea ho fihlela meroalo e kantle. Li-slip rings li potoloha le shaft ha li-brushes li lula li tsitsitse, li etsa hore ho be le khokahanyo e thellang e fetisang matla ka mokhoa o sa tsitsang. Ntle le mochine ona, lithapo tse hokelang li ne li tla sotheha le ho robeha ka mor’a ho chencha ho se hokae.
Khokahano ea ho ikopanya e sebetsa ka likhohlano tse laoloang. Lisebelisuoa tsa carbon brush li fana ka lintho tse ntle: ho sebetsa ka mokhoa o lekaneng ho tsamaisa hona joale, ho bonolo ho lumellana le bokaholimo ba selikalikoe, le ho itlholisa{1} ho fokotsa ho khathala. Li-brushes li boloka khatello e sa khaotseng khahlanong le mehele ka mekhoa ea selemo, ho netefatsa hore ho kopana ho tsitsitseng esita le nakong ea ho sisinyeha kapa ho atolosoa ha mocheso.
Likarolo tsa Bohlokoa tsa Likopano tsa Slip Ring
Li-ring tsa conductive
Mehele ka boeona e phahama holim'a karolo ea insulated shaft, e arohaneng ka motlakase ho tloha 'meleng oa rotor. Boholo ba lijenereithara tsa AC li sebelisa liring tse peli tse thellang-e le 'ngoe karolong e 'ngoe le e 'ngoe ea potoloho ea rotor. Lijenereithara tse tharo-hangata li sebelisa mehele e meraro ho fana ka khokahanyo ea mohato ka mong. Bophara ba selikalikoe bo tloha ho 25mm ho lijenereithara tse nkehang habonolo ho isa ho tse fetang 200mm ka har'a li-turbine tsa indasteri.
Khetho ea thepa e ama ts'ebetso haholo. Koporo e fana ka conductivity e babatsehang empa e apara ka potlako. Brass e fana ka botsitso bo betere ka khanyetso e phahameng hanyane. Lisebelisoa tsa liindasteri hangata li sebelisa silevera-copper e pentiloeng ho kopanya optimization conductivity le corrosion resistance.
Li-Brushes tsa Carbon
Li-blocks tsena tse nyane tse khutlonnetsepa li hatella holim'a mehele e thellang. Baetsi ba etsa k'habone{1}}metsoako ea graphite e nang le boima bo itseng le likarolo tsa conductivity. Limaraka tse tlase li fokotsa ho roala ha mehele empa li hloka ho nchafatsoa khafetsa. Liqapi tse thata li tšoarella nako e telele empa li khona ho hula mehele.
Lits'oants'o tsa borashe li boloka likarolo tsena ka tsitsipano e feto-fetohang ea selemo, hangata ho tloha ho ligrama tse 200 ho isa ho tse 500 tsa matla ka lisenthimithara tsa sebaka seo motho a kopanang le sona. Khatello e ngata haholo e potlakisa ho apara; khatello e sa lekaneng e baka ho kopana le nako le nako.
Sistimi ea Insulation
-mohaho oa boleng bo holimo o arola lireng ho tloha ho shaft le ho tse ling. Sena se thibela li-circuits tse khutšoane le ho boloka litsela tse nepahetseng tsa hajoale. Lisebelisoa li tlameha ho mamella mocheso oa ts'ebetso hangata o fetang likhato tse 100 ha o ntse o hanela mongobo, ozone le ho lateloa ha motlakase.
Slip Rings vs Split Ring Commutators
Likarolo tsena li sebeletsa mesebetsi e fapaneng ea motlakase. Li-slip rings li boloka khokahanyo e sa khaotseng, e lumellang hore hajoale e phalla ka litsela tse fapa-fapaneng-ke ea bohlokoa bakeng sa tlhahiso ea AC. Mehele e etsa lidikadikwe tse felletseng, tse sa kgaohang tse potolohang hantle tlasa borashe.
Li-ring ring commutators, ka lehlakoreng le leng, li na le mehele e arohaneng e arotsoeng ka likarolo tse sirelelitsoeng. Likarolo tsena li chencha likhokahano ho potoloha halofo e 'ngoe le e' ngoe, li fetolela AC ho DC kapa ho boloka torque e sa fetoheng ho li-motor tsa DC. Mopalami o fetola tsela ea hona joale ka ho fetola ketso ea mochini.
Boemong ba jenereithara, mehele e thellang e boloka sebopeho sa maqhubu a AC se hlahisoang ke induction ea motlakase. Haeba u ne u ka nkela mehele sebaka ka mochini o tsamaisang thepa, u ne u tla fumana tlhahiso ea DC ho e-na le AC e boreleli. Moralo o tsoelang pele oa selikalikoe o lumella motlakase o hlahisoang hore o fetohe ka tlhaho lipakeng tsa polarities tse ntle le tse mpe, ho theha sebopeho sa sine wave sa matla a AC.
Lisebelisoa tse Tloaelehileng Mefuteng ea Jenereithara
Lijenereithara tsa AC Synchronous
Mechini ena e sebelisa li-slip rings ho fana ka DC excitation hona joale ho li-windings tsa masimo a rotor. Rotor e theha matla a khoheli a potolohang a kenyang motlakase oa AC mapheong a stator a emeng. Mehele e 'meli e thellang e hokela mohloling oa kantle oa DC kapa jenereithara ea exciter, e matlafatsang li-electromagnets tse bilikang ka har'a stator.
Tokiso ena e laola -mekhoa e meholo ea motlakase litsing tsa khoebo, lipetlele le lifeme tsa indasteri. Lijenereithara tsa synchronous li fana ka taolo e nepahetseng ea khafetsa le ts'ebetso e ntle haholo, e bohlokoa haholo bakeng sa lits'ebetso tse hokahantsoeng tsa grid{2}.
Leqeba la Rotor Induction Motors
Le ha ka botekgeniki li-motors ho fapana le lijenereithara, lisebelisoa tsena li sebelisa mehele e thellang ho laola torque ea ho qala. Mehele e meraro e thellang e hokahanya maqhubu a rotor ho li-resistant tse fapaneng tse kantle. Nakong ea ho qala, khanyetso e phahameng e thibela inrush hona joale ha e ntse e boloka torque e matla. Hang ha enjene e fihla lebelong la ho sebetsa, khanyetso ea fokotseha kapa mehele e khutsufalitsoe-ea potoloho.
Sesebelisoa sena se hlaha khafetsa lisebelisoa tse boima tsa indasteri: li-crusher, li-mill mill, le litsamaiso tse kholo tsa conveyor moo ho potlakisang hantle le torque e phahameng ea ho qala ho bohlokoa.
Lijenereithara tsa turbine tsa moea
Li-turbine tsa moea tsa sejoale-joale li sebelisa mehele e thellang bakeng sa mesebetsi e mengata. Li-slip rings li fetisa motlakase o fehliloeng ho tloha nacelle ho theosa ho theosa le tora e potolohang ho ea ho lisebelisoa tsa boemo bo tlase{1}}. Mehele e thellang ka nako e le 'ngoe e fetisa data ho tsoa ho li-sensor tse hlokomelang molumo oa lehare, mocheso le ho thothomela.
Meetso e meng ea li-turbine e bokella li-circuits tse 20 kapa ho feta ho sebetsana le maemo a fapaneng a matla le liprothokholo tsa puisano. Likopano tsena li tlameha ho sebetsa ka mokhoa o ts'epahalang maemong a thata-mocheso o fetohang ho tloha ho -40 degrees ho isa ho +60℃, ho thothomela ka linako tsohle, le moea o senyang oa letsoai libakeng tse kentsoeng maoatleng.
Litlhoko tsa Tlhokomelo le Mathata a Tloaelehileng
Likopano tsa mehele ea li-slip li hloka ho hlahlojoa khafetsa hobane li kenyelletsa likarolo tsa ho roala ka boomo. Li-brushes tsa carbon li senyeha butle-butle ka khohlano e tloaelehileng, hangata e hlokang hore ho nkeloe sebaka ka lihora tse ling le tse ling tse 2,000 ho isa ho tse 5,000 ho latela boholo ba jenereithara le potoloho ea mosebetsi.
Tšilafalo e Tsoelang Pele
Mokhoa oa mantlha oa ho hloleha o kenyelletsa ho bokellana ha litšila. Ha borashe bo ntse bo fela, lerole la carbon le bokellana holim'a mehele. Sena se kopana le oxidation, mongobo, le litšila tse tsamaisoang ke moea ho etsa lera le sireletsang. Keketseho ea khanyetso ea likhokahano e qobella molaoli oa motlakase ho fana ka matla a holimo, a hlahisang mocheso o feteletseng o potlakisang ho senyeha.
Matšoao a pele a kenyelletsa ho feto-fetoha ha motlakase, ho phatloha ha brush, le ho phahama ha lebelo la tšimo. Ha e sa hlokomeloe, tšilafalo e lebisa mochesong o feteletseng o ka qhibilihisang litšepe tsa borashe kapa oa senya motlakase. Liprothokholo tsa tlhokomelo hangata li hloka hore ho hloekisoe likhoeli tse ling le tse ling tse 6-12 ho lijenereithara tsa standby, khoeli le khoeli ka likarolo tse tsoelang pele.
Mechine ea ho Apara Paterone
Ho roala borashe ka tsela e sa leka-lekaneng ho etsa hore ho be le li-grooves ka har'a selikalikoe. Li-groove tse nyane lia amoheleha, empa likanale tse tebileng li etsa hore borashe bo tlokoma, 'me ho etsa hore ho be le puisano ea nakoana. Ho qhoma hona ho hlahisa li-arcing tsa motlakase{2}}litlhase tse bonahalang tse koalang bokaholimo ba tšepe ka potlako le ho potlakisa ho senyeha ha selikalikoe.
Ho feto-fetoha ha selikalikoe ke mokhoa o matla oa ho hloleha ho -ts'ebetso e phahameng. Ka lebelo le ts'oanang la 1,250 RPM, leha selikalikoe se sa tsitsang se etsa hore borashe bo bue. Li-arcs tse hlahisoang li hlahisa ho futhumatsa sebakeng se seng se sothang cylinder ho ea pele, ho theha leqhubu le senyang la maikutlo. Lijenereithara tsa turbine tsa moea tse sebetsang ka lebelo le fapaneng li kotsing haholo taba ena.
Mekhoa ea ho Hloekisa
Tlhokomelo ea litsebi e sebelisa lithupa tse khethehileng kapa lesela le letle la crocus le kentsoeng ha rotor e phethoha. Mokhoa ona o tlosa oxidation le li-deposit tsa carbon ntle le ho tlosoa ho feteletseng ha thepa. Electronic contact cleaner spray e phethela mokhoa ona, e qhala masala a setseng.
Litsebi li lekanya khanyetso ea potoloho ea tšimo pele le ka mor'a ho hloekisa ho lekanya ntlafatso. Kopano ea selikalikoe e hlokometsoeng hantle ho jenereithara ea Onan, mohlala, e lokela ho bonts'a 22-25 ohms ho potoloha potoloho ea rotor. Lipalo tse phahameng haholo li bontša tšilafalo e hlokang ho hloekisoa.
Theknoloji e tsoetseng pele ea Slip Ring
Mercury{{0}Meetso e Metsi
Diyuniti tsena tse ikgethileng li nka sebaka sa ho kopana le borashe bo tiileng le tšepe ea metsi. Mercury e etsa letamo la conductive le bolokang khokahanyo ea motlakase ka ho kopanya limolek'hule eseng khohlano. Sena se felisa ho apara ka ho feletseng 'me se fana ka khanyetso e tlaase haholo, e tsitsitseng.
Leha ho le joalo, chefo ea mercury e fokotsa lits'ebetso ho lisebelisoa tsa indasteri tse tiisitsoeng hole le ho lokisa lijo kapa meriana. Moralo o boetse o hloleha ka tlase ho -40℃moo mercury e tiisang, e thibelang ts'ebeliso libakeng tse batang.
Phetisetso ea Matla a Se nang mohala
Lintho tse ncha tsa morao-rao li felisa ho kopana 'meleng ka ho feletseng. Mehele e se nang mohala e sebelisa li-electromagnetic induction lipakeng tsa li-coil tsa transmitter tse emeng le likhoele tse bilikang tsa se amohelang. Magnetic coupling e fetisetsa mats'oao a matla le data ho pholletsa le sebopeho se potolohang ntle le likarolo tse apereng.
Theknoloji ena e sebetsa hantle haholo libakeng tse thata-likoloi tsa ka tlas'a metsi, ho sebetsa ka lik'hemik'hale, le lits'ebetsong tse hlokang ho tiisoa ha hermetic. Moeli o ka sehloohong ke matla a matla; mehele ea setso e ka fetisang litaelo tsa boholo ba hona joale sebakeng se lekanang.
Manonyeletso a Rotary a Fiber Optic
Lijenereithara tsa sejoale-joale li ntse li eketsa ho kenyelletsa mehele ea fiber optic haufi le ea motlakase. Mahokelo ana a rotary (FORJs) a fetisa boitsebiso bo hodimo-ba bandwidth-ho hlahloba ho sisinyeha, mefuta ya thempereichara, le matshwao a tlhahlobo-pakeng tsa likarolo tse bilikang le tse emeng ntle le tšitiso ea motlakase.
Ho khetha Mehele ea Slip bakeng sa Lisebelisoa tsa jenereithara
Litlhaloso tsa moralo li tlameha ho sebetsana le li-parameter tse 'maloa tsa bohlokoa. Lintlha tsa hajoale ke tsona tse khethollang{1}}karolo ea libaka le boholo ba borashe. Tekanyetso ea motlakase e laola botenya ba ho kenya letsoho le sebaka sa ho lata. Lebelo la ho sebetsa le ama khetho ea lisebelisuoa tsa borashe le tsitsipano ea nako ea selemo-e phahameng-lisebelisoa tse potlakileng li hloka limaraka tsa khabone tse thata ho thibela ho roala ka potlako.
Lintlha tsa tikoloho li theha khetho ea thepa haholo. Litikoloho tsa maoatleng li batla ho bola{1}}lisebelisoa tse sa tsitsang joalo ka silevera kapa tšepe e sa jeleng paate. -lisebelisoa tse phahameng tsa mocheso li hloka li-insulators tsa ceramic le lisebelisoa tsa borashe tse thibelang mocheso{4}. Sepakapaka se silafetseng-libaka tsa polokelo tse lerōle kapa limela tsa lik'hemik'hale{7}}li ka lokafatsa matlo a koetsoeng a thellang a nang le moea o hloekisitsoeng.
Palo ea lipotoloho e ama tlhophiso ea kopano. Likhokelo tse peli tse bonolo-li sebelisa meralo e kopaneng. Sistimi e rarahaneng e hlokang mats'oao a mangata e sebelisa tlhophiso ea liring kapa li-pancake moo masale a lutseng ka har'a diski e bataletseng ho e-na le ho phutheloa ka axially.
Ho rarolla mathata a Slip Ring
Ho se tsitse ha motlakase hangata ho supa mathata a borashe kapa a ring. Ho lekanya ho hanyetsa ha tšimo ha u ntse u potoloha shaft ka bowena e tsebahatsa likhokahano tsa nakoana. Khanyetso e lokela ho lula e le teng; ho feto-fetoha ho bonts'a tšilafalo kapa litaba tsa mochini.
Hlase e bonahalang nakong ea ts'ebetso e bontša khatello e sa lokelang ea borashe kapa tšilafalo ea lesale. Ts'ebetso e tloahelehileng e hlahisa tlhase e fokolang-mohlomong litlhase tse nyane nakong ea ho qala tse nyamelang ha ho ntse ho etsoa borashe.
Tahlehelo ea tlhahiso ea jenereithara e tsamaeang le ho potoloha ho tloaelehileng ha rotor e fana ka maikutlo a tahlehelo e felletseng ea khokahano ea borashe. Sena se etsahala ha li-brushes li apara ka ho feletseng kapa mekhoa ea selemo e hlōleha. Tekanyo ea hona joale e tiisa tlhahlobo-zero current ho sa tsotellehe motlakase oa excitation o sebelisitsoeng.
Mocheso o feteletseng kopanong ea reng ea slip e bontša khanyetso e phahameng ea ho kopana. Lik'hamera tsa litšoantšo tse futhumatsang li khetholla libaka tse chesang tse amanang le tšilafalo kapa ho se tsamaisane hantle. Ho sebetsana le sesosa sa sesosa ho thibela ho hloleha hoa mocheso{{2}karolo e senyehileng.
Lipotso Tse Botsoang Khafetsa
Hobaneng ha lijenereithara tsa AC li hloka mehele e thellang ho e-na le bapalami?
Lijenereithara tsa AC li hlahisa motlakase o mong oa tlhaho o lokelang ho fihla potolohong ea kantle e sa fetohe. Mehele e thellang e boloka khokahano e tsoelang pele ntle le ho khutlisa polarity, e boloka sebopeho sa maqhubu a AC. Li-Commutator li ne li tla fetola AC ena hore e be pulsating DC, e leng ho thibelang sepheo sa ho hlahisa motlakase o mong.
Li-slip rings hangata li nka nako e kae?
Marang-rang hangata a tšoarella nako eohle ea ho sebetsa ha jenereithara ka tlhokomelo e nepahetseng-lilemo tse 20 ho isa ho tse 30 ka liyuniti tse hlokometsoeng hantle. Li-brushes tsa carbon ke lisebelisoa tse ka jeoang tse hlokang hore li nkeloe sebaka ka mor'a lihora tse ling le tse ling tse 2,000 ho isa ho tse 5,000. Tšilafalo ho e-na le ho apara ka mokhoa o tloaelehileng hangata ke eona e laolang nako e telele ea nako e thellang.
Na mehele ea li-slip e ka hloekisoa ntle le ho e tlosa?
E, mekhoa e tloaelehileng ea tlhokomelo e hloekisa mehele nakong eo jenereithara e sebetsang ka eona. Lisebelisoa tse khethehileng tsa abrasive kapa lesela la crocus le kentsoeng likoung tsa phihlello li tlosa tšilafalo ntle le ho qhaqhoa. Mokhoa ona o sebetsa bakeng sa ho hloekisa kamehla; Tšenyo e matla kapa li-grooves tse tebileng li hloka ho tlosoa ha rotor bakeng sa machining kapa ho nkela sebaka.
Ke eng e bakang ho se sebetse ha selikalikoe sa ho thella ho li-turbine tsa moea?
Ho potoloha{0}ka lebelo le phahameng ha mmoho le ho jarolla ka tsela e fapaneng ho baka mathata a ikhethang. Ho lla ha ring ho fihla ho 1,250+ RPM e etsa hore borashe bo tlokomae le ho betsa. Ho palama libaesekele tse futhumatsang lits'ebetsong tsa kantle ho potlakisa oxidation. Tšilafalo e tsoang lerōleng la carbon e kopana le mongobo ho etsa litsela tse tsamaisang. Li-turbine tse ngata tsa sejoale-joale li falletse ho meralo e se nang brush ho felisa mathata ana a tlhokomelo.
Mehopolo ea Lintho le Ts'ebetso
Lisebelisoa tsa lesale tsa conductive li leka-lekanya litlhoko tse ngata tsa tlholisano. Koporo e hloekileng e fana ka 100% IACS (International Annealed Copper Standard) conductivity empa e batla e le mpe ho hanyetsa. Brass e na le 60-70% ea koporo e nang le lisebelisoa tsa zinki tse ntlafatsang ho thatafala le ho hanyetsa ha kutu ha li ntse li amohela khanyetso e phahameng hanyenyane ea motlakase.
Lisebelisoa tsa indasteri hangata li hlakisa koporo-li-alloys tsa chromium tse kopanyang 98% ea koporo le boima bo imenneng habeli. Silver plating e fana ka mokhoa o nepahetseng oa ho sebetsa le oxidation empa e eketsa litšenyehelo tse kholo{3}}hangata e boloketsoeng lits'ebetso tsa bohlokoa moo ho ts'epahala ho loketseng litšenyehelo.
Ho etsoa ha carbon brush ho kenyelletsa tradeoffs tse tšoanang. Mephato e nang le dikahare tse phahameng tsa graphite e bonolo, e fana ka tumellano e betere ho bokaholimo ba mehele le khohlano e tlase. Sena se fokotsa ho roala ha mehele empa se potlakisa tšebeliso ea borashe. Limaraka tse thata tse nang le li-binder tse ngata li tšoarella nako e telele empa li ka fumana li-rings haeba tšilafalo ea bokaholimo e baka likaroloana tse hohlang.
Mekhoa ea tlhahiso e ama ts'ebetso haholo. Precision machining e etsa libaka tse boreleli tsa mehele tse fokotsang ho roala borashe. Litlhaloso tsa sephetho sa bokaholimo hangata li hloka hore ho be thata ka tlase ho 1.6 micrometers Ra. Motlakase oa ho ntša mochine (EDM) kapa ho sila ho finyella mamello ena, ho hlahisa liphello tse tsitsitseng esita le ka thepa e thata.
Ho utloisisa li-slip rings ho fana ka phephetso ea bohlokoa mochining oa motlakase o potolohang: ho fetisa motlakase ho potoloha-interface e emeng. Leha mefuta e meng ea li-brushless e ntse e tsoela pele, -mehele e thellisang e ntse e le tharollo e matla bakeng sa lits'ebetso tse ngata tsa jenereithara, e fanang ka ts'epo e netefalitsoeng ha e hlokometsoe hantle.