Taw qhia
Kev loj hlob sai ntawm cov tsheb hluav taws xob (EVs) yog tsav kev thov kom muaj txiaj ntsig zoo dua, kev cog lus, thiab txhim khu kev qha fais fab hluav taws xob.
Raws li automakers txav mus rau siab dua -voltage platforms xws li 800V EV architectures, tsoos silicon-raws li cov khoom siv hluav taws xob tau ntsib ntau qhov kev txwv hauv kev ua tau zoo, kev tswj xyuas kub, thiab kev hloov pauv.
Silicon carbide (SiC), qhov dav -bandgap semiconductor khoom, tau tshwm sim los ua ib qho ntawm cov thev naus laus zis tseem ceeb uas ua rau cov tiam tom ntej ntawm EV lub tshuab hluav taws xob.
Txawm li cas los xij, thaum SiC muaj qhov zoo ntawm hluav taws xob thiab thermal zoo, nws qhov hardness thiab brittleness kuj tsim teeb meem kev tsim khoom tseem ceeb.
Kab lus no piav qhia vim li cas SiC hloov pauv EV lub zog hluav taws xob hluav taws xob thiab yuav ua li cas precision laser ua technologies pab tsim SiC- cuam tshuam cov khoom.
1. Vim li cas Silicon Carbide tseem ceeb rau EV Power Electronics?
Lub zog hluav taws xob hluav taws xob yog ib qho tseem ceeb tshaj plaws ntawm lub tsheb hluav taws xob.
Nws tswj:
>>Kev hloov hluav taws xob
>> Lub cev muaj zog ua haujlwm
>> Roj teeb them
>> Kev faib hluav taws xob
Ib txwm siv EV tshuab feem ntau vam khom rau silicon (Si) semiconductor li. Txawm li cas los xij, raws li EV yuav tsum tau nce, tshwj xeeb tshaj yog rau kev tsav tsheb ntev dua thiab kev them nyiaj sai dua, silicon thev naus laus zis tau nce mus txog nws qhov kev txwv.
Silicon carbide muab ntau yam zoo uas ua rau nws haum rau kev siv EV siab heev.
2. Qhov tseem ceeb ntawm SiC piv nrog cov tsoos Silicon
Ua tau zoo dua
SiC cov cuab yeej muaj qhov hloov pauv qis dua piv nrog cov khoom siv silicon pa.
Qhov no tso cai rau:
>> Kev ua haujlwm siab dua
>> Txo lub zog poob
>> Txhim kho kev tsav tsheb
Muaj peev xwm muaj peev xwm siab dua
SiC muaj qhov dav dav dua li silicon, tso cai rau cov khoom siv ua haujlwm ntawm qhov hluav taws xob ntau dua.
Qhov no ua rau SiC tshwj xeeb tshaj yog haum rau:
>> 800V EV platforms
>> Siab - lub zog them nyiaj
>> Advanced inverter tsim
Kev ua haujlwm thermal zoo dua
SiC tuaj yeem tiv taus kev ua haujlwm siab dua thiab muab cov thermal stability zoo.
Cov txiaj ntsig muaj xws li:
>> Txo qhov xav tau cua txias
>> Lub kaw lus me me
>> Txhim kho kev ntseeg siab
Higher Switching zaus
Muaj peev xwm hloov tau ntau dua tso cai rau engineers tsim:
>> Cov khoom me me passive
>> Ntau compact hwj chim systems
>> Ntau npaum converters
3. Kev siv tseem ceeb ntawm SiC hauv tsheb fais fab
EV Traction Inverters
Lub traction inverter hloov DC lub zog los ntawm lub roj teeb rau hauv AC lub zog los tsav lub tshuab hluav taws xob.
SiC{0}}raws li inverter muab:
>> Kev ua haujlwm siab dua
>> Tsawg zog poob
>> Kev ua tau zoo dua ntawm high voltage
Qhov no yog ib qho tseem ceeb tshaj plaws hauv daim ntawv thov rau SiC hauv EVs.
Ntawm -Board Chargers (OBC)
SiC fais fab khoom siv pab:
>> Kev them nyiaj sai dua
>> Siab zog ceev
>> Ntau compact charger designs
DC / DC Converters
SiC pab txhim kho lub zog hloov hluav taws xob ntawm qhov sib txawv voltage hauv EV systems.
Fast Charging Infrastructure
Tshaj li tsheb, SiC kuj tau siv ntau dua hauv cov khoom siv hluav taws xob siab - lub zog them nyiaj vim nws qhov ua tau zoo thiab thermal zoo.
4. Kev tsim cov khoom sib tw ntawm Silicon Carbide Cheebtsam
Txawm hais tias SiC muab kev ua tau zoo, kev tsim khoom SiC yog qhov nyuaj.
Tib yam khoom uas ua rau SiC muaj nuj nqis kuj ua rau nws nyuaj rau kev ua haujlwm.
Tsis tshua muaj siab Hardness
SiC yog ib qho nyuaj tshaj plaws cov ntaub ntawv ceramic.
Traditional mechanical machining tej zaum yuav raug kev txom nyem los ntawm:
>> Cov cuab yeej siv siab hnav
>> Tsawg ua efficiency
>> Tus nqi ntau lawm
Siab Brittleness
Vim tias SiC muaj qhov tsis zoo ntawm cov pob txha tawg, kev ua tsis zoo tuaj yeem ua rau:
>> Ntug chipping
>> Micro tawg
>> Kev puas tsuaj saum npoo
Kev nruj nruj nruj
EV fais fab hluav taws xob yuav tsum muaj kev ntseeg siab.
Manufacturing txheej txheem yuav tsum tswj:
>> Dimensional raug
>> Nto zoo
>> Txhaum tsim
>> Kev puas tsuaj cua sov
Yog li ntawd, advanced processing technologies yuav tsum tau.
5. Silicon Carbide ua li cas?
Laser ua tau dhau los ua kev daws teeb meem zoo rau kev ua haujlwm siab tshaj SiC ceramic Cheebtsam.
Piv nrog rau cov txheej txheem kev siv tshuab ib txwm muaj, kev ua laser muaj:
>> Tsis yog -kev sib cuag machining
>> Tsis muaj cuab yeej hnav
>> Cov kev ua tau yooj yim
>> Muaj peev xwm rau complex geometry
Nyob ntawm cov khoom tuab thiab cov kev xav tau zoo, cov tshuab laser sib txawv tuaj yeem xaiv.
UV Laser Ua rau Precision SiC Cheebtsam
355nm UV laser tshuab muab:
>> Zoo dua cov khoom nqus
>> Cov cua sov me me- thaj chaw cuam tshuam
>> Kev ua haujlwm siab dua
Nws yog haum rau:
>> Nyias SiC Cheebtsam
>> Precision ceramic qhov chaw
>> Daim ntawv thov yuav tsum tau zoo heev ntug zoo
QCW Fiber Laser Ua rau Thicker SiC qhov chaw
Rau cov thicker SiC ceramics xav tau kev ua haujlwm ntau dua, QCW fiber ntau laser kev daws teeb meem muab cov khoom muaj zog tshem tawm muaj peev xwm.
Cov ntawv thov tsim nyog suav nrog:
>> Cov yam ntxwv ntawm SiC
>> Thicker ceramic qhov chaw
>>Cov ntawv thov kev lag luam xav tau kev tsim khoom
6. YCLaser: Precision Laser Processing Solutions rau SiC Ceramics
Raws li cov kws tshaj lij ceramic laser ua cov cuab yeej tsim khoom, WHYC Laser tshwj xeeb hauv kev txiav laser txiav, drilling, thiab micromachining kev daws teeb meem rau cov ceramics siab heev, suav nrog silicon carbide (SiC), silicon nitride (Si₃N₄), aluminium nitride (AlN), alumina (Al₂O₃), thiab zirconia (ZrO₂).
Rau SiC daim ntawv thov hauv EV thiab hluav taws xob hluav taws xob, WHYC Laser muab cov kev daws teeb meem raws li:
>> Khoom thickness
>> Cov qauv tsim
>> Cov kev cai raug
>>Ntau lawm efficiency
Peb lub tshuab ua laser yog tsim los rau:
>> SiC ceramic txiav
>> Precision drilling
>> Complex contour machining
>> Prototype xeem thiab txheej txheem kev tsim kho
Cov thev naus laus zis tseem ceeb suav nrog:
>> High -txheej txheem kev txav chaw
>> CCD pom kev sib haum xeeb
>> Optimized laser scanning tswv yim
>> Kev tswj lub zog ruaj khov
Ua ntej cov cuab yeej siv cuab yeej cuab tam, cov neeg siv khoom tuaj yeem ua cov qauv ntsuas los ntsuas:
>>Txiav zoo
>> Ntug chipping tswj
>> Kev tiv thaiv tawg
>>Kev ua tau zoo
Qhov no pab cov tuam txhab tsim cov kev daws teeb meem SiC txhim khu kev qha rau tom ntej -cov ntawv thov hluav taws xob hluav taws xob.
Xaus
Silicon carbide tau dhau los ua cov khoom tseem ceeb rau yav tom ntej ntawm EV fais fab hluav taws xob vim nws qhov ua tau zoo tshaj, siab -voltage muaj peev xwm, thiab kev ua haujlwm zoo thermal.
Nrog precision laser txiav, drilling, thiab micromachining daws,YCLASERpab cov tuam txhab lag luam kov yeej SiC cov kev cov nyom thiab ua tiav kev tsim cov khoom siv hluav taws xob zoo tshaj plaws rau EV, semiconductor, thiab hluav taws xob siv hluav taws xob.
