Piv rau radial flux motors, axial flux motors muaj ntau yam zoo hauv kev tsim tsheb fais fab.Piv txwv li, axial flux motors tuaj yeem hloov qhov tsim ntawm lub zog hluav taws xob los ntawm kev txav lub cev los ntawm lub qag mus rau sab hauv ntawm lub log.
1.Axis ntawm lub zog
Axial flux motorstau txais kev saib xyuas ntxiv (tau txais traction).Tau ntau xyoo, hom lub cev muaj zog no tau siv nyob rau hauv kev siv nyob ruaj ruaj xws li elevators thiab cov tshuab ua liaj ua teb, tab sis ntau xyoo dhau los, ntau tus neeg tsim khoom tau ua haujlwm los txhim kho cov thev naus laus zis no thiab siv rau cov tsheb fais fab, lub tshav dav hlau pods, tsheb thauj khoom, hluav taws xob. tsheb, thiab txawm lub dav hlau.
Cov tsoos radial flux motors siv cov hlau nplaum ruaj khov lossis induction motors, uas tau ua tiav qhov tseem ceeb hauv kev ua kom qhov hnyav thiab tus nqi.Txawm li cas los xij, lawv ntsib ntau yam teeb meem hauv kev txhim kho txuas ntxiv.Axial flux, ib hom sib txawv kiag li ntawm lub cev muaj zog, tej zaum yuav yog lwm txoj hauv kev zoo.
Piv rau radial motors, qhov zoo sib nqus thaj tsam ntawm axial flux mus tas li hlau nplaum motors yog qhov saum npoo ntawm lub cev muaj zog rotor, tsis yog sab nraud.Yog li ntawd, nyob rau hauv ib tug tej yam ntim ntawm lub cev muaj zog, axial flux mus tas li hlau nplaum motors feem ntau yuav muab ntau dua torque.
Axial flux motorsyog compact;Piv rau radial motors, axial ntev ntawm lub cev muaj zog yog luv dua.Rau cov log tsheb sab hauv, qhov no feem ntau yog qhov tseem ceeb.Cov qauv kev cog lus ntawm axial motors ua kom muaj zog ntau dua thiab lub zog torque ntau dua li cov radial motors zoo sib xws, yog li tshem tawm qhov xav tau rau kev ua haujlwm siab heev.
Kev ua tau zoo ntawm axial flux motors kuj yog siab heev, feem ntau tshaj 96%.Qhov no yog ua tsaug rau lub luv luv, ib tug dimensional flux txoj kev, uas yog piv los yog txawm ntau dua nyob rau hauv efficiency piv rau qhov zoo tshaj plaws 2D radial flux motors ntawm lub lag luam.
Qhov ntev ntawm lub cev muaj zog yog luv, feem ntau yog 5 mus rau 8 zaug luv dua, thiab qhov hnyav kuj tseem txo los ntawm 2 mus rau 5 zaug.Ob yam no tau hloov qhov kev xaiv ntawm lub tsheb fais fab platform tsim.
2. Axial flux tshuab
Muaj ob lub ntsiab topologies rauaxial flux motors: dual rotor ib leeg stator (qee zaus hu ua torus style machines) thiab ib leeg rotor dual stator.
Tam sim no, feem ntau cov hlau nplaum ruaj khov motors siv radial flux topology.Qhov sib nqus flux Circuit Court pib nrog cov hlau nplaum ruaj khov ntawm lub rotor, dhau los ntawm thawj tus hniav ntawm stator, thiab tom qab ntawd ntws radially raws stator.Tom qab ntawd dhau los ntawm tus hniav thib ob kom ncav cuag cov hlau nplaum thib ob ntawm lub rotor.Nyob rau hauv lub dual rotor axial flux topology, lub voj voog flux pib los ntawm thawj cov hlau nplaum, hla axially los ntawm cov hniav stator, thiab tam sim ntawd mus txog qhov thib ob hlau nplaum.
Qhov no txhais tau hais tias txoj kev flux yog luv dua li ntawm radial flux motors, uas ua rau lub cev muaj zog me me, muaj zog ntau dua thiab ua haujlwm ntawm tib lub zog.
Lub cev muaj zog radial, qhov chaw sib nqus flux dhau los ntawm thawj tus hniav thiab rov qab mus rau tus hniav tom ntej los ntawm stator, ncav cuag cov hlau nplaum.Sib nqus flux ua raws txoj kev ob sab.
Txoj kev sib nqus flux ntawm lub tshuab axial magnetic flux yog ib-dimensional, yog li grain oriented hluav taws xob hlau siv tau.Cov hlau no ua rau nws yooj yim dua rau cov flux kom dhau mus, yog li txhim kho kev ua haujlwm.
Radial flux motors ib txwm siv cov khoom sib faib, nrog txog li ib nrab ntawm cov winding xaus tsis ua haujlwm.Lub coil overhang yuav ua rau muaj qhov hnyav ntxiv, tus nqi, hluav taws xob tsis kam, thiab ntau dua cov cua sov, yuam cov neeg tsim qauv los txhim kho cov qauv winding.
Lub kauj kawg ntawmaxial flux motorstsawg dua, thiab qee cov qauv siv cov concentrated lossis segmented windings, uas ua haujlwm tau zoo.Rau segmented stator radial tshuab, rupture ntawm magnetic flux txoj kev nyob rau hauv lub stator tuaj yeem ua rau poob ntxiv, tab sis rau axial flux motors, qhov no tsis yog teeb meem.Kev tsim cov coil winding yog tus yuam sij rau kev paub qhov txawv ntawm cov khoom siv.
3. Kev loj hlob
Axial flux motors ntsib qee qhov teeb meem loj hauv kev tsim thiab tsim khoom, txawm tias lawv cov txiaj ntsig thev naus laus zis, lawv cov nqi ntau dua li cov radial motors.Cov neeg muaj kev nkag siab zoo heev ntawm radial motors, thiab cov txheej txheem tsim khoom thiab cov cuab yeej siv tshuab kuj tseem muaj.
Ib qho ntawm cov teeb meem tseem ceeb ntawm axial flux motors yog tswj kom muaj qhov sib txawv ntawm huab cua sib txawv ntawm lub rotor thiab stator, vim tias lub zog sib nqus yog ntau dua li ntawm cov radial motors, ua rau nws nyuaj rau kev tswj cov huab cua sib txawv.Lub dual rotor axial flux lub cev muaj zog kuj muaj cov teeb meem kub dissipation, raws li cov winding nyob sib sib zog nqus hauv stator thiab nruab nrab ntawm ob lub rotor discs, ua kom sov dissipation nyuaj heev.
Axial flux motors kuj nyuaj rau tsim rau ntau yam.Lub tshuab dual rotor siv lub tshuab dual rotor nrog lub yokes topology (piv txwv li tshem cov hlau yoke ntawm stator tab sis khaws cov hniav hlau) kov yeej qee qhov teeb meem no yam tsis tau nthuav dav lub cev muaj zog thiab cov hlau nplaum.
Txawm li cas los xij, tshem tawm tus quab coj cov teeb meem tshiab, xws li yuav ua li cas kho thiab tso tus neeg cov hniav yam tsis muaj kev sib txuas ntawm tus quab.Kev txias txias kuj yog qhov nyuaj dua.
Nws kuj yog ib qho nyuaj rau tsim lub rotor thiab tswj cov huab cua sib txawv, raws li lub rotor disc attracts lub rotor.Qhov zoo dua yog tias cov rotor discs txuas ncaj qha los ntawm lub nplhaib ncej, yog li cov quab yuam tshem tawm ib leeg.Qhov no txhais tau hais tias cov kabmob sab hauv tsis tiv thaiv cov rog no, thiab nws txoj haujlwm tsuas yog ua kom lub stator nyob nruab nrab ntawm ob lub rotor discs.
Ob chav stator ib leeg rotor motors tsis ntsib cov teeb meem ntawm lub voj voog motors, tab sis tus tsim ntawm stator yog ntau nyuaj thiab nyuaj rau kev ua tiav automation, thiab cov nqi cuam tshuam kuj siab.Tsis zoo li ib txwm radial flux lub cev muaj zog, axial lub cev muaj zog tsim cov txheej txheem thiab cov cuab yeej siv tshuab tau tshwm sim tsis ntev los no.
4. Kev siv hluav taws xob tsheb
Kev ntseeg tau yog qhov tseem ceeb hauv kev lag luam automotive, thiab ua pov thawj qhov kev ntseeg tau thiab muaj zog ntawm qhov sib txawvaxial flux motorskom ntseeg tau cov tuam txhab lag luam tias cov motors no tsim nyog rau kev tsim khoom loj ib txwm muaj kev sib tw.Qhov no tau ua rau cov neeg lag luam axial tsav los ua cov kev pabcuam siv tau zoo ntawm lawv tus kheej, nrog rau txhua tus neeg muag khoom qhia tias lawv lub cev muaj zog tsis txawv ntawm cov tsoos radial flux motors.
Tsuas yog cov khoom uas tuaj yeem hnav tawm hauv ib qhoaxial flux lub cev muaj zogyog cov bearings.Qhov ntev ntawm axial magnetic flux yog luv luv, thiab txoj hauj lwm ntawm cov bearings yog nyob ze, feem ntau yog tsim los me ntsis "dhau ntev".Hmoov zoo, axial flux lub cev muaj zog muaj qhov me me rotor loj thiab tuaj yeem tiv taus qis rotor dynamic ncej loads.Yog li ntawd, qhov tseeb quab yuam siv rau cov bearings yog ntau me dua li ntawm radial flux lub cev muaj zog.
Electronic qag yog ib qho ntawm thawj daim ntawv thov ntawm axial motors.Qhov dav thinner tuaj yeem thaiv lub cev muaj zog thiab gearbox hauv lub qag.Nyob rau hauv hybrid daim ntaub ntawv, lub luv axial ntev ntawm lub cev muaj zog nyob rau hauv lem shortens tag nrho ntev ntawm lub kis tau tus mob system.
Cov kauj ruam tom ntej yog rau nruab lub axial motor ntawm lub log.Nyob rau hauv txoj kev no, lub zog tuaj yeem xa ncaj qha los ntawm lub cev muaj zog mus rau lub log, txhim kho kev ua haujlwm ntawm lub cev muaj zog.Vim qhov kev tshem tawm ntawm kev sib kis, qhov sib txawv, thiab cov driveshafts, qhov nyuaj ntawm qhov system kuj raug txo.
Txawm li cas los xij, zoo li cov qauv kev teeb tsa tseem tsis tau tshwm sim.Txhua lub tuam txhab cov cuab yeej tseem ceeb tab tom tshawb fawb txog kev teeb tsa tshwj xeeb, vim qhov sib txawv thiab cov duab ntawm axial motors tuaj yeem hloov kho cov qauv siv hluav taws xob.Piv rau radial motors, axial motors muaj lub zog ntau dua, uas txhais tau hais tias me me axial motors tuaj yeem siv tau.Qhov no muab kev xaiv tsim tshiab rau lub tsheb platforms, xws li kev tso cov roj teeb pob.
4.1 Segmented armature
Lub YASA (Yokeless thiab Segmented Armature) lub cev muaj zog topology yog ib qho piv txwv ntawm dual rotor ib leeg stator topology, uas txo cov kev tsim khoom nyuaj thiab tsim nyog rau kev siv ntau lawm.Cov motors no muaj lub zog ceev txog li 10 kW / kg ntawm qhov ceev ntawm 2000 txog 9000 rpm.
Siv lub tshuab tshwj xeeb, nws tuaj yeem muab qhov tam sim no ntawm 200 kVA rau lub cev muaj zog.Tus maub los muaj qhov ntim ntawm kwv yees li 5 litres thiab hnyav 5.8 kilograms, nrog rau kev tswj xyuas thermal nrog dielectric roj txias, haum rau axial flux motors nrog rau induction thiab radial flux motors.
Qhov no tso cai rau lub tsheb hluav taws xob thawj cov cuab yeej tsim khoom lag luam thiab thawj qib tsim tawm kom yooj yim xaiv lub cev muaj zog raws li daim ntawv thov thiab qhov chaw muaj.Qhov me me thiab qhov hnyav ua rau lub tsheb sib dua thiab muaj roj teeb ntau dua, yog li ua kom muaj kev txhawb nqa ntau.
5. Kev siv hluav taws xob maus taus
Rau hluav taws xob maus taus thiab ATVs, qee lub tuam txhab tau tsim AC axial flux motors.Cov qauv siv feem ntau siv rau hom tsheb no yog DC txhuam raws li axial flux tsim, thaum cov khoom tshiab yog AC, tag nrho ntim txhuam tsis siv neeg tsim.
Cov coils ntawm ob lub DC thiab AC motors nyob ruaj ruaj, tab sis ob lub rotors siv cov hlau nplaum ruaj khov es tsis txhob tig armatures.Qhov kom zoo dua ntawm txoj kev no yog tias nws tsis tas yuav tsum muaj kev hloov kho tshuab.
AC axial tsim kuj tseem tuaj yeem siv tus qauv peb-theem AC lub cev muaj zog tswj rau radial motors.Qhov no yuav pab txo cov nqi, raws li tus neeg siv khoom tswj qhov tam sim no ntawm torque, tsis ceev.Tus maub los yuav tsum muaj qhov zaus ntawm 12 kHz lossis siab dua, uas yog qhov zaus ntawm cov khoom siv zoo li no.
Qhov ntau zaus yog los ntawm qis winding inductance ntawm 20 µ H. Qhov zaus muaj peev xwm tswj tau qhov tam sim no kom txo qis tam sim no ripple thiab xyuas kom meej lub teeb liab sinusoidal kom du li sai tau.Los ntawm qhov kev xav dynamic, qhov no yog ib txoj hauv kev zoo kom ua tiav kev tswj hwm lub cev muaj zog los ntawm kev tso cai rau kev hloov pauv ceev.
Qhov kev tsim no tau txais kev faib ob txheej txheej winding, yog li cov sib nqus flux ntws los ntawm rotor mus rau lwm lub rotor los ntawm stator, nrog txoj kev luv luv thiab ua haujlwm zoo dua.
Tus yuam sij rau qhov kev tsim no yog tias nws tuaj yeem ua haujlwm ntawm qhov siab tshaj plaws ntawm 60 V thiab tsis haum rau cov tshuab hluav taws xob ntau dua.Yog li ntawd, nws tuaj yeem siv tau rau cov maus taus hluav taws xob thiab L7e chav kawm plaub-log tsheb xws li Renault Twizy.
Qhov siab tshaj plaws ntawm 60 V tso cai rau lub cev muaj zog ua ke rau hauv lub hauv paus 48 V hluav taws xob thiab ua haujlwm yooj yim txij nkawm.
Lub L7e plaub-log maus taus specifications nyob rau hauv European Framework Regulation 2002/24/EC qhia tias lub luj ntawm lub tsheb siv rau thauj khoom tsis pub tshaj 600 kilograms, tsis suav cov luj ntawm cov roj teeb.Cov tsheb no raug tso cai nqa tsis pub tshaj 200 kilograms ntawm cov neeg caij tsheb, tsis pub tshaj 1000 kilograms ntawm cov khoom thauj, thiab tsis pub tshaj 15 kilowatts ntawm lub cav fais fab.Txoj kev faib winding tuaj yeem muab lub zog ntawm 75-100 Nm, nrog lub zog siab tshaj plaws ntawm 20-25 kW thiab lub zog tas li ntawm 15 kW.
Qhov kev sib tw ntawm axial flux nyob rau hauv yuav ua li cas tooj liab windings dissipate tshav kub, uas yog nyuaj vim hais tias kub yuav tsum dhau los ntawm lub rotor.Kev faib tawm winding yog tus yuam sij rau kev daws qhov teeb meem no, vim nws muaj ntau tus ncej qhov.Nyob rau hauv txoj kev no, muaj thaj tsam loj dua ntawm cov tooj liab thiab lub plhaub, thiab cov cua sov tuaj yeem hloov mus rau sab nraud thiab tawm los ntawm cov txheej txheem ua kua txias.
Ntau tus ncej hlau nplaum yog qhov tseem ceeb rau kev siv cov ntaub ntawv sinusoidal yoj, uas pab txo qis kev sib haum xeeb.Cov kev sib haum xeeb no tau tshwm sim raws li cov cua sov ntawm cov hlau nplaum thiab cov tub ntxhais, thaum cov khoom tooj liab tsis tuaj yeem nqa cov cua sov.Thaum tshav kub accumulates nyob rau hauv hlau nplaum thiab hlau cores, efficiency txo, uas yog vim li cas optimizing lub waveform thiab tshav kub txoj kev yog ib qho tseem ceeb rau lub cev muaj zog kev ua tau zoo.
Tus tsim ntawm lub cev muaj zog tau ua kom zoo kom txo tau cov nqi thiab ua tiav cov khoom siv ntau lawm.Lub nplhaib vaj tse extruded tsis xav tau kev siv tshuab ua haujlwm nyuaj thiab tuaj yeem txo cov nqi khoom.Lub kauj tuaj yeem raug mob ncaj qha thiab cov txheej txheem kev sib txuas yog siv thaum lub sij hawm winding kom tswj tau qhov zoo sib dhos.
Lub ntsiab lus tseem ceeb yog tias lub kauj yog ua los ntawm cov qauv kev lag luam xaim, thaum cov tub ntxhais hlau yog laminated nrog cov txheej txheem nteg tawm lub txee transformer steel, uas tsuas yog yuav tsum tau txiav rau hauv cov duab.Lwm qhov kev tsim lub cev muaj zog yuav tsum tau siv cov khoom sib nqus mos hauv cov tub ntxhais lamination, uas tej zaum yuav kim dua.
Kev siv cov khoom siv hluav taws xob sib txuas txhais tau hais tias cov hlau nplaum tsis tas yuav tsum tau segmented;Lawv tuaj yeem ua cov duab yooj yim thiab yooj yim rau kev tsim khoom.Txo qhov loj ntawm cov hlau nplaum hlau thiab ua kom nws yooj yim ntawm kev tsim khoom muaj feem cuam tshuam rau kev txo nqi.
Tus tsim ntawm no axial flux lub cev muaj zog kuj tuaj yeem kho raws li cov neeg siv khoom xav tau.Cov neeg muas zaub tau customized versions tsim nyob ib ncig ntawm cov qauv tsim.Tom qab ntawd tsim los ntawm kev sim ntau lawm kab rau kev tshawb xyuas kev tsim khoom thaum ntxov, uas tuaj yeem rov ua dua hauv lwm lub hoobkas.
Customization feem ntau yog vim qhov kev ua tau zoo ntawm lub tsheb tsis yog nyob ntawm tus qauv tsim ntawm axial magnetic flux motor, tab sis kuj nyob ntawm qhov zoo ntawm lub tsheb qauv, roj teeb pob, thiab BMS.
Post lub sij hawm: Sep-28-2023