Brushless motors ke mefuta e fapaneng ea li-motor tsa motlakase tseo, ho fapana le li-brashi tse tloaelehileng kapa li-motors tsa mashala, Ho tlosoa ha mashala ka har'a li-motors tse se nang mashala ho eketsa katleho le nako e telele ea likoloi tsena ha li bapisoa le lienjineri tse tloaelehileng tsa mashala.
Ka lebaka la melemo e mengata ea li-motors tsa brushless, Lisebelisoa tsa rona tse ngata li sebelisa li-motors tse se nang brush ho u tsamaisa ka matla a tsona a ikhethang maemong afe kapa afe.Nako e telele ea bophelo, boima bo bobebe le tlhahiso e fokolang ea lerata ke tse ling tsa likarolo tse khethollang lienjineri tsena ho lienjine tse chesitsoeng ka mashala.
Li-motor ke Mechini ea Phatlalatso ea Matla
Ha lienjiniere li tobane le phephetso ea ho rala lisebelisoa tsa motlakase ho etsa mesebetsi ea mochini, ba ka nahana ka hore na mats'oao a motlakase a fetoloa joang hore e be matla.Kahoo li-actuator le li-motor ke tse ling tsa lisebelisoa tse fetolelang mats'oao a motlakase hore e be motsamao.Likoloi li fapanyetsana matla a motlakase ho matla a mochini.
Mofuta o bonolo ka ho fetisisa oa enjene ke enjene ea brushed DC.Mofuteng ona oa motlakase, motlakase o fetisoa ka likhoele tse hlophisitsoeng ka har'a matla a khoheli a tsitsitseng.Ea hona joale e hlahisa matla a khoheli ka har'a likhoele;sena se etsa hore khoele ea khoele e pote, ha khoele e 'ngoe le e 'ngoe e sutumetsoa hole le palo e tšoanang 'me e huleloa holima palo e sa tšoaneng ea tšimo e tsitsitseng.E le hore u lule u potoloha, ho hlokahala hore u lule u thinya metsi—e le hore li-coil polarities li lule li ntse li tsoelipana, e leng ho etsang hore likhoele li tsoele pele ho “leleka” lipalo tse sa tšoaneng tse tsitsitseng.Matla a li-coil a fanoa ka li-brushes tse tsitsitseng tsa conductive tse kopanang le mochine o potolohang;ke ho potoloha ha motlakase ho bakang ho fetoha ha motlakase ka likhoele.Li-commutator le li-brushes ke likarolo tsa bohlokoa tse khethollang enjene ea DC ea brushed ho tsoa mefuteng e meng ea makoloi.Setšoantšo sa 1 se bonts'a molao-motheo o akaretsang oa enjene ea brushed.
Setšoantšo sa 1: Ts'ebetso ea Brushed DC Motor.
Li-brushes tse tsitsitseng li fana ka matla a motlakase ho motho ea potolohang.Ha motlakase o ntse o potoloha, o tsoela pele ho fetola tsela ea hona joale ho li-coil, e fetola polarities e le hore likhoele li boloke ho potoloha ka ho le letona.Mohatelli oa potoloha hobane o khomaretsoe ho rotor eo li-coil li kenngoa ho eona.
Li-motor li fapana ho ea ka mofuta oa matla a tsona (AC kapa DC) le mokhoa oa tsona oa ho hlahisa ho potoloha (Setšoantšo sa 2).Ka tlase, re sheba ka bokhutšoanyane likarolo le ts'ebeliso ea mofuta o mong le o mong.
Mefuta e fapaneng ea Motors
Brushed DC motors, e nang le moralo o bonolo le taolo e bonolo, e sebelisoa haholo ho bula le ho koala literei tsa disk.Likoloi, hangata li sebelisoa bakeng sa ho hula, ho atolosa le ho beha lifensetere tsa mahlakoreng tse tsamaisoang ke motlakase.Litheko tse tlase tsa li-motors tsena li etsa hore li tšoanelehe bakeng sa tšebeliso e ngata.Leha ho le joalo, tšitiso e 'ngoe ke hore borashe le bapalami ba atisa ho apara ka potlako ka lebaka la ho tsoela pele ho kopana, ho hloka hore khafetsa ba nkeloe sebaka le ho hlokomeloa nako le nako.
Enjene ea stepper e tsamaisoa ke maqhubu;e pota-pota ka lehlakoreng le itseng (mohato) ka ho otla ho hong le ho hong.Hobane ho potoloha ho laoloa ka nepo ke palo ea li-pulse tse amoheloang, li-motor tsena li sebelisoa haholo ho kenya tšebetsong liphetoho tsa maemo.Hangata li sebelisoa, ka mohlala, ho laola phepelo ea pampiri mecheng ea fekse le likhatisong—kaha lisebelisoa tsena li fepa pampiri ka mehato e tsitsitseng, e hokahanang habonolo le palo ea ho otla ha pelo.Ho khefutsa ho ka boela ha laoloa habonolo, kaha ho potoloha ha motlakase ho emisa hang-hang ha lets'oao la pulse le sitisoa.
Ka li-motor tsa synchronous, ho potoloha ho lumellana le maqhubu a phepelo ea hona joale.Hangata li-motor tsena li sebelisoa ho khanna literei tse bilikang ka liontong tsa microwave;likere tse fokotsang yuniti ea enjene li ka sebelisoa ho fumana lebelo le nepahetseng la ho potoloha ho futhumatsa lijo.Ka li-motors tsa induction, hape, lebelo la ho potoloha le fapana le maqhubu;empa motsamao ha o tshwane.Nakong e fetileng, li-motors tsena li ne li atisa ho sebelisoa ho li-fan tsa motlakase le mechine ea ho hlatsoa.
Ho na le mefuta e fapaneng ea enjene e sebelisoang hangata.Sebokeng sena, re sheba melemo le ts'ebeliso ea li-motors tsa DC tse se nang brush.
Hobaneng ha BLDC Motors e Fetola?
Joalo ka ha lebitso la bona le bolela, li-motors tsa DC tse brushless ha li sebelise borashe.Ka li-motors tse brushed, li-brushes li fana ka motlakase ka har'a li-coil ho rotor.Joale motlakase o se nang brush o feta joang hona joale ho li-coil tsa rotor?Ha e etse joalo - hobane likhoele ha li fumanehe ho rotor.Ho e-na le hoo, rotor ke makenete e sa feleng;li-coil ha li potoloha, empa ho e-na le hoo li tsitsitse sebakeng sa stator.Kaha li-coil ha li sisinyehe, ha ho hlokahale hore ho be le borashe le motlakase.(Sheba setšoantšo. 3.)
Ka enjene ea brushed, ho potoloha ho finyelloa ka ho laola matla a khoheli a hlahisoang ke likhoele ho rotor, athe matla a khoheli a hlahisoang ke limakete tse emeng a ntse a tsitsitse.Ho fetola lebelo la ho potoloha, o fetola voltage bakeng sa likhoele.Ka motlakase oa BLDC, ke makenete e sa feleng e potolohang;ho potoloha ho finyelloa ka ho fetola tataiso ea matla a khoheli a hlahisoang ke likhoele tse emeng tse potolohileng.Ho laola ho potoloha, o lokisa boholo le tataiso ea hona joale ho li-coil tsena.
Kaha rotor ke makenete e sa feleng, ha e hloke hona joale, e felisang tlhokahalo ea borashe le li-commutator.Hona joale ho li-coil tse tsitsitseng li laoloa ho tsoa ka ntle.
Melemo ea BLDC Motors
Enjene ea BLDC e nang le likhoele tse tharo holim'a stator e tla ba le lithapo tse tšeletseng tsa motlakase (tse peli ho e 'ngoe le e 'ngoe) tse tsoang ho likhoele tsena.Lits'ebetsong tse ngata tse tharo tsa lithapo tsena li tla hokahanngoa ka hare, 'me lithapo tse tharo tse setseng li tloha 'meleng oa motlakase (ho fapana le lithapo tse peli tse tlohang ho enjene ea brushed e hlalositsoeng pejana).Wiring nyeoeng ea koloi ea BLDC e rarahane ho feta feela ho hokahanya liteishene tse ntle le tse mpe tsa sele ea matla;re tla shebisisa hore na likoloi tsena li sebetsa joang lenaneong la bobeli la letoto lena.Ka tlase, re phethela ka ho sheba melemo ea likoloi tsa BLDC.
Molemo o mong o moholo ke ho sebetsa hantle, kaha li-motor tsena li khona ho laola nako le nako ka matla a ho potoloha (torque).Ka lehlakoreng le leng, li-motor tse entsoeng ka brushed li fihla ho torque e kholo libakeng tse itseng feela ha li potoloha.E le hore enjene ea brushed e fane ka torque e tšoanang le ea mohlala oa brushless, e tla hloka ho sebelisa limakete tse kholoanyane.Ke ka lebaka leo le li-motor tse nyane tsa BLDC li ka fanang ka matla a mangata.
Molemo oa bobeli o moholo—o amanang le oa pele—ke oa ho laoleha.Li-motor tsa BLDC li ka laoloa, li sebelisa mekhoa ea maikutlo, ho fana ka torque e lakatsehang le lebelo la ho potoloha.Taolo e nepahetseng le eona e fokotsa tšebeliso ea matla le ho hlahisa mocheso, 'me-maemong ao li-motor li tsamaisoang ka matla-e lelefatsa bophelo ba betri.
Li-motors tsa BLDC li boetse li fana ka nako e telele le ho hlahisa lerata le tlase la motlakase, ka lebaka la khaello ea borashe.Ka li-motors tse phunyeletsoeng, li-brushes le li-commutator lia theoha ka lebaka la ho kopana ho tsoelang pele, hape li hlahisa litlhase moo ho kopana ho etsoang teng.Lerata la motlakase, haholo-holo, ke phello ea litlhase tse matla tse atisang ho etsahala libakeng tseo li-brushes li fetang ho tsona likheo tsa motlakase.Ke ka lebaka lena li-motors tsa BLDC li atisang ho nkoa li le molemo lits'ebetsong moo ho leng bohlokoa ho qoba lerata la motlakase.
Likopo tse Ntle bakeng sa BLDC Motors
Re bone hore likoloi tsa BLDC li fana ka ts'ebetso e phahameng le taolo, le hore li na le nako e telele ea ho sebetsa.Joale li molemo bakeng sa eng?Ka lebaka la ts'ebetso ea tsona e sebetsang le ho phela nako e telele, li sebelisoa haholo lisebelisoa tse sebetsang ka ho sa khaotseng.Ke khale li sebelisoa mecheng ea ho hlatsoa liaparo, li-air conditioner, le lisebelisoa tse ling tsa elektronike tse sebelisoang ke bareki;'me morao tjena, li hlaha ho li-fan, moo bokhoni ba bona bo phahameng bo tlatselitseng ho fokotseha ho hoholo ha tšebeliso ea matla.
Li boetse li sebelisetsoa ho khanna mechine ea vacuum.Ketsahalong e 'ngoe, phetoho ea lenaneo la taolo e ile ea fella ka ho qhoma ho hoholo ka lebelo la ho potoloha-e leng mohlala oa taolo e phahameng ka ho fetisisa e fanoang ke li-motor tsena.
Li-motor tsa BLDC li ntse li sebelisoa ho bilika li-hard disk drive, moo ho tšoarella ha tsona ho bolokang li-drive li sebetsa ka mokhoa o ts'eptjoang ka nako e telele, ha ts'ebetso ea bona ea matla e kenya letsoho phokotsong ea matla sebakeng seo sena se ntseng se le bohlokoa le ho feta.
Mabapi le Tšebeliso e Batsi nakong e tlang
Re ka lebella ho bona li-motors tsa BLDC li sebelisoa mefuteng e mengata ea lits'ebetso nakong e tlang.Ka mohlala, mohlomong li tla sebelisoa haholo ho khanna liroboto tsa tšebeletso-liroboto tse nyenyane tse fanang ka litšebeletso libakeng tse ling ntle le ho etsa thepa.Motho a ka nahana hore li-motors tsa stepper li tla ba tse loketseng haholoanyane mofuteng ona oa ts'ebeliso, moo li-pulse li ka sebelisoang ho laola boemo ka nepo.Empa li-motors tsa BLDC li loketse ho laola matla.'Me ka enjene ea stepper, ho ts'oara boemo ba sebopeho joalo ka letsoho la roboto ho ka hloka hore ho be le motlakase o batlang o le moholo le o tsoelang pele.Ka motlakase oa BLDC, sohle se neng se tla hlokoa ke tekanyo ea hona joale ea matla a ka ntle-ho lumella ho laola matla a mangata.Li-motor tsa BLDC li kanna tsa nkela li-motor tse bonolo tsa dc sebakeng sa likariki tsa kolofo le likariki tse tsamaeang.Ntle le ts'ebetso ea bona e ntle, li-motor tsa BLDC li ka fana ka taolo e nepahetseng haholoanyane - e leng se ka lelefatsang bophelo ba betri.
Li-motors tsa BLDC le tsona li loketse li-drones.Bokhoni ba bona ba ho fana ka taolo e nepahetseng bo etsa hore ba tšoanelehe ka ho khetheha bakeng sa li-drones tse ngata, moo maikutlo a drone a laoloang ke ho laola ka nepo lebelo la ho potoloha ha rotor ka 'ngoe.
Sebokeng sena, re bone kamoo li-motor tsa BLDC li fanang ka ts'ebetso e ntle haholo, taolo le bophelo bo bolelele.Empa taolo e hlokolosi le e nepahetseng ke ea bohlokoa ho nka monyetla ka botlalo ba matla a lienjene tsena.Sebokeng sa rona se latelang, re tla sheba hore na likoloi tsena li sebetsa joang.
Nako ea poso: Aug-21-2023