Yuav Ua Li Cas Tsim Ib Lub Lithium Roj Teeb Pob (Qib-los ntawm-Step Guide)

A lithium roj teeb pobyog ntau tshaj li cov xov tooj sib txuas ua ke. Nws yog lub zog ua tiav uas ua ke nrog electrochemistry, mechanical engineering, thermal tswj, hluav taws xob architecture, thiab kev tswj hwm kev nyab xeeb. Kev nkag siab txog yuav ua li cas lub lithium roj teeb pob tau tsim los yuav ua rau koj nkag siab zoo dua ntawm cov qauv tswj kev tsim cov roj teeb pob. Phau ntawv qhia no taug kev los ntawm cov txheej txheem tiag tiag peb ua raws thaum tus neeg siv khoom coj peb qhov project tshiab.

Kauj Ruam 1: Txheeb xyuas cov kev xav tau ntawm daim ntawv thov thiab kev txwv

Txhua lub roj teeb ua tau zoo pib nrogkom meej meej. Hla cov kauj ruam no thiab koj yuav them rau nws tom qab hauv kev tsim kho tshiab lossis kev ua tsis tiav.

Koj yuav tsum kaw plaub qhov chaw tseem ceeb:

• Kev xav tau kev ua haujlwm: voltage, muaj peev xwm, txuas ntxiv thiab ncov tam sim no,lub hom phiaj zog ceev
• Kev khiav hauj lwm ib puag ncig: kub ntau, qib vibration, av noo,Kev ntsuas IP
• Lub neej vam meej:lub voj voog suavntawm qhov tshwj xeebqhov tob ntawm kev tso tawm
• Cov kev cai tswjhwm: uas cov ntawv pov thawj cov khoom kawg yuav tsum dhau

Piv txwv li, lub cuab yeej hluav taws xob yuav xav tau 10-15C tawg rau lub sijhawm luv luv, thaum lub zog khaws cia hauv tsev tseem ceeb 3000+ cycles ntawm 80% DOD thiab tus nqi qis. Lub maus taus hluav taws xob xav tau kev vibration muaj zog thiab kev tiv thaiv dej uas tsis muaj UPS.

Peb ib txwm tsim ibtraceability matrixat GEB. Nws txuas txhua qhov yuav tsum tau ua rau qhov kev txiav txim siab tsim qauv thiab cov qauv ntsuas. Cov ntaub ntawv no yuav muaj txiaj ntsig zoo thaum lub cev ntawv pov thawj pib nug cov lus nug.

Tau txais cov kev cai ntawm qhov pib yuav txuag lub sijhawm thiab nyiaj txiag ntau tshaj.

Kauj ruam 2: Xaiv Optimal Cell Chemistry thiab Hom

Thaum cov kev xav tau meej meej,kev xaiv ntawm testxiav txim siab yuav luag txhua yam uas ua raws.

Nov yog qhov kev sib piv siv peb niaj hnub siv:

Tom qab xaiv chemistry, txiav txim siab rau daim ntawv:

• Cylindrical hlwb(18650, 21700, 4680) muab cov khoom lag luam paub tab, zoo sib xws, thiab cov qauv siv tshuab muaj zog, tab sis qis ntim ntim.
• Prismatic hlwbmuab qhov chaw siv tau zoo dua thiab yooj yim dua module sib dhos, txawm tias lawv tuaj yeem o thiab xav tau cov casings muaj zog dua.
• Hnab cellxa qhov siab tshaj plawszog ceevthiab qhov hnyav tshaj plaws, tab sis lawv yuav tsum tau ua tib zoo saib xyuas sab nraud thiab kev tswj o.

Peb tsuas yog siv xwbQib A celllos ntawm cov tuam txhab tsim khoom. Kev sib raug zoo ntawm lub peev xwm thiab kev tawm tsam sab hauv tseem ceeb tshaj li cov neeg feem coob paub. Txawm tias qhov sib txawv me me tsim qhov tsis sib xws uas ua rau lub neej luv luv thiab tsim kev nyab xeeb.

Cell xaivtsis yog hais txog kev xaiv lub cell "zoo tshaj". Nws yog hais txog kev xaiv lub xovtooj ntawm tes rau koj lub luag haujlwm tshwj xeeb thiab lub hom phiaj tus nqi.

Kauj Ruam 3: Roj Teeb Pob Hluav Taws Xob Tsim

Nrog cov hlwb xaiv, koj yuav tsum tig lawv mus rau hauv qhov siv tau qhov hluav taws xob thiab lub peev xwm platform.

Series kev sib txuasnce voltage:

V_total=V_cell × tus naj npawb ntawm cov cell series

Parallel kev twb kev txuasnce peev xwm thiab kev tuav tam sim no:

Ah_total=Ah_cell × tus lej ntawm cov hlua sib txuas

Ib qho 48V lub zog cia ntim feem ntau siv 13S lossis 16S kev teeb tsa nyob ntawm lub qhov rais inverter voltage. Siab- daim ntawv thov fais fab tej zaum yuav xav tau 4P lossis 6P kom tam sim no ib lub xov tooj nyob rau hauv kev txwv tsis pub dhau.

Txoj kev sib txuas tseem ceeb rau kev ntseeg tau. Peb tsis txhob soldering hlwb ncaj qha - cov cua sov tuaj yeem ua rau cov qauv sab hauv thiab ua kom muaj zog hauv lub sijhawm.Nickel strip qhov chaw vuamlos yog laser welding ntawm tabs muab tau ntev dua - cov txiaj ntsig tau zoo. Rau siab - txoj kev tam sim no, peb tsiv mus rautooj liab busbarsnrog ntau lub ntsiab lus sib txuas kom tsis txhob hotspots.

Kev rwb thaiv tsev zoo ntawm high-voltage thiab low- cov kab hluav taws xob txo cov hluav taws xob cuam tshuam thiab tiv thaiv cov teeb meem nkag.

Cov hluav taws xob tsim hluav taws xob yuav tsum xa cov hluav taws xob xav tau thaum ua kom muaj kev sib cuag tsis zoo thiab kev sib koom tam sim no sib npaug.

Kauj Ruam 4: Kev sib koom ua ke ntawm Kev Tswj Roj Teeb (BMS)

BMS yog lub hlwb thiab tus saib xyuas ntawm pob.

Nws yuav tsum saib xyuas cell voltages, kub, thiab tam sim no nyob rau hauv lub sij hawm. Nws suav SOC thiab SOH, ua qhov sib npaug, thiab qhib kev tiv thaiv thaum muaj kev txwv ntau dhau.

Cov kev txiav txim siab tseem ceeb suav nrog:

• Passive ntsuas(cheaper) pivactive sib npaug(ntau dua rau cov pob loj)
• Kev sib txuas lus raws tu qauv - CAN tsheb npav rau tsheb, RS485 lossis Bluetooth rau cov tshuab nyob ruaj ruaj
• Kev ntsuas tam sim no thiab tus naj npawb ntawm cov xov tooj ntawm tes txhawb nqa

Hauv peb qhov kev paub dhau los, BMS zoo tiv thaiv 80% ntawm cov teeb meem hauv cheeb tsam. Xaiv ib qho uas tsis muaj kev tiv thaiv Circuit Court thiab luv luv - cov lus teb hauv Circuit Court. Rau siab -voltage systems,kev soj ntsuam caisyog qhov tseem ceeb.

Tsis txhob kho BMS raws li kev xav tom qab. Nws yuav tsum tau tsim los ntawm qhov pib.

Kauj Ruam 5: Tsim cov Thermal Management System

Kev tswj qhov kub thiab txias feem ntau txiav txim siab seb ib pob yuav kav li 5 xyoos lossis 15 xyoo.

Lithium hlwb ua tau zoo tshaj plaws ntawm 25℃thiab 40 degree. Qhov sib txawv loj dua 5℃ntawm cov hlwb ua rau kev laus. Thaum lub sij hawm them ceev los yog kev tso tawm siab, cov hluav taws xob hluav taws xob tuaj yeem ncav cuag ob peb watts ib lub xov tooj ntawm tes.

Cov txheej txheem ntau:

• Cua txias:yooj yim thiab tus nqi qis, tab sis muaj peev xwm tsawg
• Ua kua cua txias:Kev hloov pauv kub zoo heev, dav siv hauv EVs
• Cov ntaub ntawv hloov pauv theem (PCM):passive thiab zoo rau smoothing kub spikes
• Hybrid systems:muab cov hau kev rau cov mob hnyav

Nyob rau hauv cov huab cua txias peb ntxiv PTC cua sov los yog cua sov zaj duab xis coj cell mus rau qhov kub thiab txias ua ntej them.

Peb khiav thermal simulation ntxov hauv qhov project. Nws pab peb txiav txim siab seb qhov txias txias txaus txaus lossis yog tias ua haujlwmua kua txiasyog tsim nyog. Kev tsim thermal zoo tiv thaiv thermal khiav tawm thiab ua kom muaj kev ua haujlwm zoo ib yam nyob rau txhua lub caij.

Kauj Ruam 6: Mechanical and Structural Design

Tam sim no lub pob yuav tsum muaj sia nyob tiag tiag - lub ntiaj teb cov xwm txheej.

Txiav txim siab ntxov seb puas yuav siv amodular tsimlos yog acib-style pob. Modular tsim tau yooj yim rau kev tsim, sim, thiab kho. Cov pob zeb cib tuaj yeem ua tiav siab duazog ceevtab sis ua rau kev saib xyuas nyuaj.

Cell fixation yog qhov tseem ceeb. Peb siv cov yas tuav ntawm tes rau qhov chaw thiab qhov sib nrug, ua tib zoo ua tib zoo siv cov kua nplaum kub -cov kua nplaum los yog cov silicone nruab nrab kom nqus tau kev co yam tsis thaiv cov cua sov.

Cov ntaub ntawv kaw lus feem ntau nqis los rau txhuas rau nws lub zog - rau - qhov hnyav piv los yog steel rau tus nqi qis hauv cov ntawv thov.IP67 sealing, lub siab nyem qhov vents, thiab crush zones yog tus qauv hauv tsheb - qib pob.

Kev tsim kho tshuab yuav tsum tiv thaiv cov hlwb los ntawm kev co, cuam tshuam, thiab dej thaum tso cai rau kev pabcuam thaum xav tau.

Kauj Ruam 7: Prototyping, Testing thiab Validation

Tsis muaj kev tsim ua tiav kom txog thaum nws tau sim.

Peb tsim peb theem qauv:

• EVT:Basic function check
• DVT:tag nrho kev ua tau zoo thiab kev kuaj ib puag ncig
• PVT:ntau lawm- cov kev xav tau los ntawm cov cuab yeej kawg

Cov kev ntsuam xyuas tseem ceeb suav nrog kev muaj peev xwm thiab kev ua tau zoo ntawm qhov sib txawv C- tus nqi, thermal imaging nyob rau hauv load mus nrhiav hotspots,cycle life test, kev vibration thiab poob siab, thiab kev ntsuam xyuas kev nyab xeeb (overcharge, luv luv Circuit Court, ntsia thawv nkag).

Peb xav txog ib pob kom tau mus txogkawg ntawm lub neejthaum muaj peev xwm poob mus rau 80% ntawm tus nqi pib raws li cov txheej txheem tau hais tseg.

Kev lees paub zoo ua rau muaj teeb meem ua ntej lawv mus txog cov neeg siv khoom.

Kauj Ruam 8: Daim ntawv pov thawj thiab kev tsim tawm

Thaum kawg, pob yuav tsum dhau daim ntawv pov thawj rau nws lub hom phiaj kev lag luam.

Cov kev cai dav dav suav nrogUN 38.3rau shipping,TIAB SA 2580los yogIEC 62619: Uarau kev nyab xeeb, thiab cov qauv hauv cheeb tsam xws li GB 38031 hauv Suav teb lossis UN ECE R100 hauv Europe.

Nyob rau sab ntau lawm peb siv cell sorting, automated welding qhov twg ua tau, thiab xaus - ntawm - kab xeem. Traceability los ntawm cov khoom xa tuaj mus rau cov pob khoom tiav yog qhov yuav tsum tau ua rau tsheb thiab siab - daim ntawv thov kev ntseeg siab.

Xaus

Tsim iblithium roj teeb pobxav kom sib npaugkev ua tau zoo, kev nyab xeeb, nqi, thiab kev tsim khoom. Qhov kev txiav txim tseem ceeb:kom meej meejua ntej, ceskev xaiv ntawm tes, hluav taws xob architecture, thermal thiab mechanical systems, ua raws li nruj validation.

Ntawm GEB peb tau ua kom zoo dua cov txheej txheem no ntau xyoo thiab ntau pua txoj haujlwm. Txawm hais tias koj xav tau ib lub pob me me rau tus qauv los yog ntau txhiab units rau kev tsim tawm, cov ntsiab lus tseem ceeb yog tib yam.

Yog tias koj tab tom ua haujlwm ntawm lithium roj teeb qhov project thiab xav tau kev txhawb nqa los ntawm kev xav tau txhais los ntawm kev tsim khoom loj, thov hu rau peb pab pawg engineering. Peb zoo siab los tshuaj xyuas koj cov lus qhia tshwj xeeb thiab qhia txog yam uas tau ua haujlwm zoo hauv cov ntawv thov zoo sib xws.