Kev tshawb fawb thiab kev siv Airtightness Control ntawm Aluminium Alloy Battery Enclosures
Oct 16, 2025
Abstract
Aluminium alloy tailor-welded roj teeb enclosures yog ib qho tseem ceeb ntawm lub hwj chim roj teeb hlwb rau lub zog tshiab tsheb. Lawv airtightness ncaj qha cuam tshuam rau kev nyab xeeb thiab ruaj khov ntawm tag nrho cov kab ke. Tshwj xeeb tshaj yog nyob rau hauv lithium- ion roj teeb pob uas siv cov kua txias txias, kev tswj huab cua yog lub tshuab tseem ceeb. Los ntawm kev txheeb xyuas cov qauv ua kua txias, txheej txheem sib dhos, thiab cov khoom siv vuam, daim ntawv no qhia txog kev txhim kho cov kev ntsuas los ntawm qhov kev xav ntawm cov khoom siv extrudability thiab vuam txheej txheem optimization, zoo txhim khu lub airtightness thiab sib xws ntawm aluminium alloy enclosures hauv lithium{5}} ion roj teeb tsim.

Taw qhia
Nrog rau txoj kev loj hlob sai ntawm cov tsheb tshiab thiab lub zog cia, kev thov rau lithium{0}} roj teeb lithium, Lifepo4 lub zog hluav taws xob, thiab lub hnub ci zog cia systems (Lithium Battery Packs) tseem loj hlob nyob rau hauv lub zog thiab lub zog cia sectors. Txhawm rau kom ua tiav lub teeb yuag thiab txhim kho ntau yam, aluminium alloy roj teeb enclosures (Battery Enclosures) yog siv dav hauv kev tsim cov lithium roj teeb pob thiab cov khoom siv roj teeb vim lawv lub zog zoo heev - rau - qhov hnyav piv thiab corrosion kuj.
Muab piv rau cov qauv cam khwb cia txhuas, welded aluminium vaj tsev muaj qhov zoo xws li cov nqi tsim pwm tsawg, kev ua haujlwm siab, thiab kev ua kom sov zoo dua. Txawm li cas los xij, thaum lub sij hawm ntau- cov khoom sib dhos thiab cov txheej txheem vuam, tsis zoo airtightness tuaj yeem tshwm sim tau yooj yim, tso cai rau cov dej txias lossis cov dej noo nkag mus, yog li cuam tshuam rau kev ua haujlwm thiab kev ua neej ntawm lithium - ion roj teeb ntawm tes. Kev tswj huab cua tsis zoo tuaj yeem tsis tsuas yog ua rau lub cev tsis ua haujlwm xws li luv luv Circuit Court thiab corrosion, tab sis kuj cuam tshuam rau kev nyab xeeb ntawm lub roj teeb rau lithium- ion lub zog cia tshuab. Yog li ntawd, kev tswj lub airtightness ntawm aluminium alloy vaj tse tau dhau los ua qhov teeb meem tseem ceeb hauv kev tsim cov lithium-ion roj teeb rau lub zog tshiab thiab lub hnub ci hauv tsev.
Airtightness Requirements thiab Manufacturing Processes for Liquid -Cooled Aluminium Alloy Battery Housings
Cov roj teeb fais fab feem ntau yog siv cov cua txias thiab ua kua txias rau cov cua sov dissipation. Thaum cov kua cua txias yog cov txheej txheem nyuaj, nws muaj cov thermal conductivity zoo heev thiab kev tswj qhov kub thiab txias, ua rau nws qhov kev xaiv tseem ceeb. Cov kua ua kua-cooled aluminium alloy vaj tsev yog feem ntau welded ua ke los ntawm ntau daim hlau txhuas thiab muaj lub hau npog sab sauv, lub plhaub qis, thiab cov cua txias.
Hauv cov khoom xws li Lithium SuperPack Batteries thiab Lithium{0}}Ion roj teeb rau cov khoom siv hnub ci, qhov xav tau airtightness ntawm cov kua cua txias channel yog ntau dua li cov tsev nyob. Kev ntsuam xyuas yuav tsum tau muaj lub siab zoo airtightness test fixture, qhov twg compressed cua yog txhaj nyob rau hauv tus txheej txheem kub thiab siab tej yam kev mob, thiab sealing kev ua tau zoo yog soj ntsuam siv txoj kev poob siab. Tsis zoo airtightness feem ntau ua rau xau, corrosion, thiab luv luv Circuit Court nyob rau hauv cov kua txias system, ua rau muaj kev hem thawj rau kev ntseeg siab ntawm tag nrho cov Lithium Hnub Ci Battery System.
Cov txheej txheem tseem ceeb ntawm cov ntawv txhuas welded vaj tsev muaj xws li: aluminium ingot casting, sheet extrusion, sawing, machining, arc welding thiab kev sib txhuam do vuam, airtightness kuaj, thiab sib dhos. Kev ua haujlwm zoo ntawm cov kua cua txias hauv qab phaj ncaj qha txiav txim siab txog kev nyab xeeb thiab ua haujlwm ntev ntawm tag nrho Lithium-ion Battery Pack.
Leak Analysis thiab ua rau
Kev soj ntsuam ntawm cov qauv roj teeb ua tsis tau zoo qhia tau hais tias qhov tsis xws luag airtightness feem ntau yog nyob rau hauv cov welds thiab cov kab noj hniav hauv qab. Kwv yees li ntawm 83% ntawm cov pa tawm yog tshwm sim los ntawm cov welds tsis zoo, nrog rau cov teeb meem xws li arc - xaus qhov chaw porosity thiab hlawv - los ntawm; kwv yees li 16% yog tshwm sim los ntawm kev tawg thiab delamination nyob rau hauv lub phaj kab noj hniav.
Cov laj thawj tseem ceeb ntawm cov teeb meem no muaj xws li:
Cov phaj extrusion tsis raug, ua rau tsis zoo weld;
Kev sib txuam tsis zoo ntawm vuam tam sim no thiab ceev, ua rau tsis tiav fusion;
Tsis txaus clamping ntawm lub hauv paus phaj, ua rau deformation los ntawm vuam shrinkage;
Lub zog tsis txaus ntawm lub phaj ntws channel sidewalls, ua rau cov kab nrib pleb tshwm sim los ntawm kev ntxhov siab welding.
Cov teeb meem no tsis yog tsuas yog cuam tshuam rau cov qauv kev ncaj ncees ntawm lub thawv tab sis kuj tuaj yeem ua rau cov dej xau, hem lub sijhawm ntev - kev ua haujlwm ruaj khov ntawm Lithium Ion Battery rau Hnub Ci Lub Zog.
Tswj thiab txhim kho kev ntsuas
(1) Optimization ntawm cov ntaub ntawv thiab Extrusion txheej txheem
Txhawm rau txhim kho qhov zoo ntawm cov ntawv hlau vuam, peb yuav tsum pib nrog cov txheej txheem extrusion tuag thiab cov txheej txheem tsis:
Tsim nyog thicken lub Upper tuag thiab txo txoj kab uas hla ntawm lub diversion qhov kom lub vuam chamber ntim thiab txhim kho lub siab hydrostatic.
Kho cov extrusion kub thiab ceev (xws li, los ntawm 475℃mus rau 440 degree, thiab los ntawm 3 m / s rau 2.4 m / s);
Xaiv ib tug ntau dua tonnage extruder (piv txwv li, los ntawm 2800T mus rau 4000T) kom lub extrusion quab yuam thiab cov khoom ceev.
Cov kev ntsuas no ua tau zoo txhim kho qhov weldability ntawm cov khoom thiab muab cov khoom siv ruaj khov zoo rau kev vuam tom ntej.
(2) Vuam txheej txheem thiab deformation tswj
Txhawm rau daws cov teeb meem vuam deformation thiab huab cua to, cov kev ntsuas hauv qab no tau ua:
Teem sib txawv tam sim no, voltages, thiab vuam ceev raws li lub phaj thickness thiab weld yuav tsum tau;
Ntxiv cov clamping fixtures los tiv thaiv cov phaj hauv qab los ntawm kev sib hloov thiab hloov chaw.
Precisely tswj lub tshav kub input kom paub meej tias cov weld yog tag nrho fused thiab nto yog du.
Ua 100% airtightness kuaj ntawm lub welded Lithium Battery Pack lub thawv kom tsis txhob muaj dej.
Tom qab kev txhim kho, qhov kev tsim nyog ntawm airtightness ntawm lub thawv tiav tau nce los ntawm qhov qub 55% mus rau ntau dua 90%, ua tau raws li cov qauv kev thov ntawm siab -kev ua tau zoo Lithium-Ion roj teeb pob thiab Hnub Ci Zog Cia Systems Lithium Batteries Pob.

Xaus
Lub airtightness ntawm aluminium alloy roj teeb lub thawv yog ncaj qha ntsig txog kev nyab xeeb, lub neej, thiab kev hloov pauv ib puag ncig ntawm Lithium roj teeb thiab lub zog roj teeb Cell systems. Los ntawm kev ua kom zoo ntawm cov txheej txheem ntawm cov phaj extrusion, tuag tsim, thiab vuam tsis, qhov teeb meem airtightness ntawm cov kua txias lub thawv tuaj yeem daws tau zoo, thiab cov khoom sib xws thiab kev ntseeg tau tuaj yeem txhim kho.
Cov txiaj ntsig kev tshawb fawb no yog qhov muaj txiaj ntsig zoo rau cov tuam txhab roj teeb rau lithium-Ion lub zog khaws cia, hnub ci hauv tsev lithium-Ion roj teeb, thiab lithium-Ion roj teeb pob. Nyob rau hauv lub neej yav tom ntej, raws li daim ntawv thov Scope ntawm lithium hnub ci roj teeb thiabLifepo4 zog hlwbtxuas ntxiv nthuav dav, qhov siab -airtightness thiab siab- kev ntseeg tau ntawm kev tsim tshuab ntawm aluminium alloy roj teeb lub thawv yuav dhau los ua qhov tseem ceeb tswj kev sib txuas hauv kev lag luam hluav taws xob tshiab.
tiv tauj peb








