Thaum cov tsheb fais fab tshiab ua kom lawv txoj kev hloov pauv mus rau kev them ceev ceev, kev them thiab tso tawm ob txoj kev, thiab kev sib koom ua ke siab, kev hloov kho thev naus laus zis OBC ntawm lub tsheb - lub tshuab hluav taws xob 800V siab hloov pauv mus rau 1200V system, thiab lub platform siab-voltage architecture dhau los ua lub hauv paus rau kev them ceev.
01 Lub capacitor ua lub luag haujlwm tseem ceeb dab tsi hauv on-board OBC?
Hauv lub tshuab roj teeb hluav taws xob siab, lub capacitor yog "lub chaw khaws cia thiab lim dej hluav taws xob" ntawm OBC & DCDC, thiab nws qhov kev ua tau zoo ncaj qha txiav txim siab qhov ua tau zoo, lub zog ceev thiab kev ntseeg siab ntawm lub kaw lus - txawm tias nws yog qhov cuam tshuam tam sim ntawd ntawm lub platform hluav taws xob siab, kev hloov pauv hluav taws xob zaus siab, lossis cov xwm txheej ua haujlwm nyuaj ntawm kev ntws hluav taws xob bidirectional, lub capacitor yog qhov yuav tsum tau ua kom ruaj khov ua haujlwm nyob rau hauv qhov chaw muaj hluav taws xob siab, zaus siab, thiab qhov kub siab. Yog li ntawd, kev xaiv cov capacitors tiv taus hluav taws xob siab thiab muaj peev xwm siab yog qhov tseem ceeb hauv kev txiav txim siab qhov ua tau zoo ntawm OBC on-board.
02 Cov txiaj ntsig ntawm daim ntawv thov ntawm YMIN capacitors yog dab tsi?
Yuav kom daws tau qhov yuav tsum tau ua ntawm OBC&DCDC nyob rau hauv cov kab ke high-voltage rau cov capacitors kom tiv taus high voltage, me me, lub neej ntev, thiab high ripple current, YMIN tau tsim cov khoom lag luam capacitor ua haujlwm siab los txhawb OBC&DCDC system ntawm cov tsheb fais fab tshiab.
01Cov kua hluav taws xob hom aluminium electrolytic capacitor: "tus neeg tiv thaiv kev ruaj khov voltage" rau cov xwm txheej muaj zog siab
· Lub zog hluav taws xob siab: Hauv kev teb rau cov teeb meem ntawm kev hloov pauv hluav taws xob thiab qhov nce siab ntawm hluav taws xob feem ntau ntsib hauv OBC, CW3H series horn capacitor muaj qhov tsim hluav taws xob txaus los muab kev txhawb nqa hluav taws xob ruaj khov thiab kev tiv thaiv overvoltage. Nws dhau los ntawm kev laus hluav taws xob siab thiab kev sim ua haujlwm tag nrho ua ntej tawm hauv lub Hoobkas kom ntseeg tau tias nws ruaj khov mus sij hawm ntev thiab kev ntseeg siab siab hauv OBC daim ntawv thov.
· Kev tiv thaiv tam sim no siab: Thaum OBC ua haujlwm, tam sim no nce siab yog tsim los ntawm kev hloov pauv hluav taws xob ntau zaus. Thaum lub capacitor kua hluav taws xob hom txhuas electrolytic siv nrog 1.3 npaug ntawm qhov ntsuas tam sim no, qhov kub nce tseem ruaj khov thiab kev ua haujlwm ntawm cov khoom ruaj khov.
· Muaj peev xwm ntau: Cov txheej txheem tshwj xeeb riveting winding zoo txhim kho lub zog ceev. Lub peev xwm yog 20% siab dua li kev lag luam ntawm tib lub ntim. Nrog tib lub zog thiab lub peev xwm, peb lub tuam txhab me dua, txuag qhov chaw teeb tsa thiab ua tau raws li qhov me me ntawm tag nrho lub tshuab.
02Cov kua hluav taws xob electrolytic capacitor"Kev ua haujlwm tau zoo" hauv qhov kub thiab txias thiab qhov chaw me me
Cov kua hluav taws xob aluminium electrolytic capacitor LKD series tuaj yeem hloov kho rau cov kev daws teeb meem uas tsis tuaj yeem siv cov kua hluav taws xob vim muaj kev txwv ntawm qhov ntim. Nws yog qhov kev xaiv zoo tshaj plaws rau kev lim dej ua haujlwm zoo thiab kev cia khoom siv hluav taws xob ntawm OBC uas tau teeb tsa hauv tsheb hauv qhov chaw muaj hluav taws xob siab, zaus siab thiab qhov chaw nyuaj.
· Kev tiv taus kub siab: Ua tiav qhov kub ua haujlwm ntawm 105 ℃ hauv pob me me, ntau dua li cov capacitors dav dav nrog kev tiv taus kub ntawm 85 ℃, muab kev tiv thaiv txhim khu kev qha rau cov chaw siv kub siab.
· Qhov ceev ntawm lub peev xwm loj: Nyob rau hauv tib lub zog hluav taws xob, tib lub peev xwm thiab tib cov lus qhia, lub cheeb thiab qhov siab ntawm LKD series yog 20% me dua li cov khoom siv horn, thiab qhov siab tuaj yeem me dua 40%.
· Kev ua haujlwm hluav taws xob zoo heev thiab kev kaw: Ua tsaug rau qhov tsim kom tiv taus kub siab, ESR raug txo qis heev, thiab nws muaj peev xwm tiv taus tam sim no. Cov khoom siv sealing tshwj xeeb thiab thev naus laus zis ua rau LKD airtightness zoo dua li lub capacitor horn, thaum ua kom lub neej ua haujlwm ntev dua, uas tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm 105 ℃ 12000 teev.
03 Lub capacitor sib xyaw ua ke ntawm cov kua thiab cov khoom siv: ib qho "choj ob txoj kev" ntawm kev ua haujlwm siab thiab kev ruaj khov
· Qhov ceev ntawm capacitance siab: Piv nrog cov capacitors ntawm tib lub ntim hauv khw, qhov capacitance ntawmYMIN cov khoom siv sib xyaw ua ke ntawm cov kua thiab cov khoom siv sib xyaw ua keyog nce ntau dua 30%, thiab tus nqi capacitance ruaj khov nyob rau hauv qhov ntau ntawm ± 5% hauv qhov kub thiab txias dav. Tom qab ua haujlwm ntev, tus nqi capacitance ruaj khov ntawm ntau dua 90%.
· Qhov xau hluav taws xob tsawg heev thiab ESR qis: Qhov xau hluav taws xob tuaj yeem tswj tau hauv 20μA, thiab ESR tuaj yeem tswj tau hauv 8mΩ, thiab qhov sib xws ntawm ob qho yog qhov zoo. Txawm tias tom qab 260 ℃ kub siab reflow soldering txheej txheem, ESR thiab qhov xau hluav taws xob tseem ruaj khov.
04 Cov capacitors zaj duab xis: ib qho "kev thaiv kev nyab xeeb" ntawm lub neej ntev thiab kev ntseeg siab siab
Piv nrog cov electrolytic capacitors, qhov zoo ntawm kev ua tau zoo ntawm cov zaj duab xis capacitors tau pom tseeb hauv qhov siab voltage, qis ESR, tsis-polarity, ruaj khov, thiab lub neej ntev, uas ua rau nws daim ntawv thov tsim qauv yooj yim dua, ntau dua ripple tsis kam, thiab txhim khu kev qha dua hauv cov chaw ib puag ncig hnyav.
· Lub zog hluav taws xob siab heev: lub zog hluav taws xob siab tshaj 1200V, tsis tas yuav txuas nrog series, thiab tuaj yeem tiv taus 1.5 npaug ntawm lub zog ua haujlwm ntsuas.
· Muaj peev xwm ua kom lub zog rov qab zoo heev: Qhov kev kam rau siab ntawm ripple ntawm 3μF / A yog ntau dua 50 npaug ntawm cov electrolytic capacitors ib txwm muaj.
· Lub neej lav tag nrho: ntau tshaj 100,000 teev ntawm lub neej ua haujlwm, hom qhuav thiab tsis muaj lub neej txee. Nyob rau hauv tib lub sijhawm ntawm kev siv,cov capacitors zaj duab xistuaj yeem tswj lawv cov kev ua tau zoo rau lub sijhawm ntev dua.
Yav tom ntej, YMIN yuav txuas ntxiv mus tob dua rau hauv cov thev naus laus zis high-voltage thiab integrated capacitor los muab lub zog zoo dua thiab txhim khu kev qha rau OBC & DCDC systems ntawm cov tsheb fais fab tshiab!
Lub sijhawm tshaj tawm: Lub Rau Hli-26-2025