Copper-Aluminium Busbar Nyob rau hauv-Polymer Txheej Txheej: Txheej Txheem, Cov Khoom Siv thiab Kev Tshawb Fawb Kev Lag Luam

Copper-Aluminium Busbar Nyob rau hauv-Polymer Txheej yog hais txog cov txheej txheem ntawm cov txheej txheem sib npaug ntawm cov tooj liab-aluminium busbar nrog cov kua gel-zoo li cov khoom siv insulating los ntawm cov txheej txheem tshwj xeeb, tsim cov txheej txheem insulating. Qhov tseem ceeb, nws tseem yog txheej txheem txheej txheej ntawm cov tooj liab -aluminium busbar nrog ib txheej insulating los ntawm melting yas thiab siv nws, thiab nws lub hom phiaj tseem ceeb yog kom ua tiav cov rwb thaiv tsev txhim khu kev qha, hloov mus rau kev ua haujlwm nyuaj, thaum ntsuas tus nqi thiab kev ua haujlwm. Yas Dipping Copper Busbar yog ib qho ntawm cov khoom tseem ceeb uas ua los ntawm cov txheej txheem no.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High-zoo nyob rau hauv- txheej txheem txheej txheej polymer yuav tsum ua tau raws li peb qhov yuav tsum tau ua: Ua ntej, kev ntseeg tau ntawm rwb thaiv tsev. Cov txheej thickness yuav tsum tau tswj nyob rau hauv 0.5-2 hli, nrog ib tug rwb thaiv tsev lub zog ntawm 20-28kV / mm, muaj peev xwm ntawm withstanding ib tug 4380V DC withstand xeem. Qhov no kuj yog qhov tseem ceeb ntawm kev ua tau zoo ntawm PVC Dipping Insulated Busbar; Thib ob, ib puag ncig adaptability. Nws yuav tsum muaj kev tiv thaiv zoo rau ntsev pos huab corrosion, tsis muaj corrosion tom qab immersed nyob rau hauv 5% NaCl tov ntawm 35℃rau 192 teev; Thib peb, tus nqi -kev ua tau zoo. Piv nrog cov txheej txheem PI zaj duab xis txheej, tus nqi ntawm - cov khoom siv polymer txheej tuaj yeem raug txo los ntawm 30%, ua rau nws haum rau loj - nplai batch ntau lawm.

 

Txawm li cas los xij, cov txheej txheem no muaj qee qhov kev txwv hauv kev siv cov roj teeb hluav taws xob. Rau cov khoom siv hluav taws xob, kev rwb thaiv tsev yuav tsum ua ntej tshaj qhov sib sib zog nqus, thiab qhov nkag mus tau yog qhov siab. Nyob rau hauv sib piv, lub hwj chim roj teeb yog constrained los ntawm qhov chaw rhiab heev thiab tshav kub dissipation contradictions - nce nyob rau hauv txheej thickness yuav ua rau ib tug 20-31% nce nyob rau hauv thermal kuj. Yog li ntawd, nws daim ntawv thov raug txwv.

Cov txheej txheem hauv -polymer txheej txheej yog nyuaj, thiab kev tswj xyuas meej ntawm txhua kauj ruam ntawm cov txheej txheem ncaj qha txiav txim siab qhov zoo ntawm cov khoom. Cov txheej txheem tiav tuaj yeem muab faib ua plaub kauj ruam: ua ntej-kev kho mob, dip txheej, plasticization, thiab tom qab- kho. Cov kauj ruam ua ntej - kho yog tus yuam sij rau kev txiav txim siab adhesion ntawm txheej.

 

Ua ntej, roj thiab av nyob rau saum npoo ntawm tooj liab-aluminium busbar raug tshem tawm siv cov tshuaj alkaline nrog pH ntawm 10-12 rau 5-8 feeb los xyuas kom meej tias cov roj seem thiab cov av nyob rau saum npoo ntawm tooj liab-aluminium busbar tsawg dua los yog sib npaug li 0.1mg/m²; Tom qab ntawd, qhov saum npoo yog roughened los ntawm txau 120-mesh alumina hais kom tswj tau qhov roughness Ra nyob rau hauv 1.6-3.2μm, txhim kho cov adhesion ntawm txheej txheej; Thaum kawg, preheating thiab ua kom ua haujlwm tau ua tiav, nrog rau qhov kub ntawm qhov kub ntawm cov tooj liab busbar yog 180-220℃thiab cov aluminium busbar yog 150-180 degree. Lub sijhawm preheating yog hloov raws li qhov tuab ntawm tooj liab-aluminium busbar, xws li 120 vib nas this rau 2 hli tuab tooj liab busbar. Qhov sib txawv ntawm qhov kub thiab txias yuav tsum tau tswj tsis pub dhau ± 5 degree.

Cov kauj ruam dip txheej yog lub hauv paus rau kom ntseeg tau qhov sib xws ntawm txheej. Nws yuav tsum muaj kev tswj hwm nruj ntawm qhov tsis muaj thiab kev ua haujlwm tshwj xeeb ntawm cov kua txheej txheej. Cov kua txheej yog PVC yas hnyav, thiab nws cov viscosity ntawm 25℃yuav tsum tau khaws cia li ntawm 1500-2500cP. Txhua qhov sib txawv tshaj 10% yuav tsum tau muab pov tseg. Lub immersion tsis muaj xws li ib tug immersion ceev ntawm tsawg tshaj li los yog sib npaug zos rau 10mm / s, uas yog ceev heev ua npuas ncauj, ib tug lifting ceev ntawm tsawg tshaj li los yog sib npaug zos rau 5mm / s, uas yog qeeb heev ua rau txheej sagging, thiab lub sij hawm immersion yog teem raws li cov txheej thickness, xws li 15 ± 3 vib nas this tuab. Nyob rau tib lub sijhawm, lub tank immersion yuav tsum tau nruab nrog cov sib nqus stirrer nrog kev sib hloov ceev ntawm 200rpm kom tsis txhob muab cov dej xau thiab xyuas kom muaj kev sib luag ntawm cov txheej txheej ua kua, uas tseem yog tus yuam sij kom ntseeg tau qhov zoo ntawm Dip Insulated Busbar txheej.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cov kauj ruam plasticization yog lub hauv paus ntawm cov khoom siv polymer hla - txuas. Nws txais yuav peb -theem kub nkhaus: thawj theem nce ntawm 80℃mus rau 120℃rau 10 feeb, feem ntau ua kom cov kuab tshuaj evaporation; theem thib ob nce ntawm 120℃mus rau 200℃rau 15 feeb, ua kom tiav cov melting thiab kis ntawm cov kua txheej; theem thib peb yog nyob rau ntawm 200℃rau 20 feeb kom ua tiav siab molecular cross{11}}txuas thiab kho. Thaum lub sij hawm tag nrho cov txheej txheem plasticization, qhov kub sib txawv hauv lub thawv yuav tsum tsawg dua lossis sib npaug li 8 degree. Hauv zos overheating tshaj 220℃yuav ua rau PVC decomposition thiab yellowing, cuam tshuam cov rwb thaiv tsev kev ua tau zoo ntawm Insulated BusBar.

Cov ntawv tshaj tawm-kev kho mob feem ntau yog siv los tshem tawm cov txheej txheem txheej txheem thiab ua kom ntseeg tau cov khoom lag luam. Cov txheej txheem tswj qhov tseem ceeb ntawm cov txheej txheem dip txheej ncaj qha cuam tshuam rau cov khoom tsim nyog tus nqi. Plaub yam tseem ceeb yuav tsum tau tsom mus rau: lub viscosity ntawm cov nplaum yuav tsum tau tswj ntawm 2000 ± 500 cP, nrog rau qhov sib txawv tshaj qhov no ua rau txheej txheej khiav -tawm los yog tsis tiav kev pab cuam, thiab sampling thiab kuaj yuav tsum tau ua txhua txhua 2 teev siv ib tug viscometer rotational; Qhov kub thiab txias yuav tsum tau tswj ntawm 200℃rau tooj liab tuav thiab 170℃rau txhuas tuav, nrog deviations ua rau txheej adhesion thiab tev quab yuam <4N/cm, thiab tiag- lub sij hawm xyuas yuav tsum tau nqa tawm siv ib tug infrared thermal imager; Lub plasticization qhov kub thiab txias yuav tsum tau tswj ntawm 200 ± 5 degree, nrog rau qhov sib txawv ntawm qhov kub thiab txias uas ua rau tsis muaj kev sib txuas thiab kev rwb thaiv tsev tom qab, thiab kev tshawb nrhiav yuav tsum tau ua los ntawm kev siv DSC sib txawv scanning calorimetry; Qhov ntsuas cua txias yuav tsum tswj tau tsawg dua lossis sib npaug li 5℃/ s, nrog tus nqi nrawm heev ua rau micro tawg hauv txheej kom nthuav dav, thiab qhov txias deformation yuav tsum tau sau tseg siv lub koob yees duab siab - ceev. Nyob rau hauv ib qho xwm txheej, lub zog cia qhov project tau ntsib blistering thiab tev ntawm cov txheej tom qab kev ntsuam xyuas ntsev tsuag vim qhov kub tsis sib xws ntawm plasticization (15℃qis dua ntawm lub thawv ntug), thiab qhov teeb meem tau daws los ntawm kev ua kom lub cua sov cua kiv cua kom zoo dua qhov kub thiab txias.

Cov kev ua haujlwm sib txawv ntawm cov roj teeb hluav taws xob thiab lub zog cia khoom txiav txim siab cov tswv yim sib txawv ntawm daim ntawv thov rau txheej txheej txheej txheej. Hauv qhov xwm txheej ntawm lub roj teeb fais fab, xav tau kev daws teeb meem. Ib qho kev xaiv yog txheej txheej hauv zos, qhov tsuas yog qhov siab -voltage tooj liab bar txuas kawg ntawm BDU (roj teeb faib lub thawv) yog coated, txo cov rwb thaiv tsev txheej thickness rau 0.8 hli, uas tuaj yeem txo qhov cuam tshuam ntawm cov cua sov tag nrho los ntawm 40%; Lwm qhov kev xaiv yog cov txheej txheem sib xyaw, qhov twg lub cev tseem ceeb siv 0.15mm tuab PI zaj duab xis rau encapsulation, thiab cov khoom siv khoov siv cov txheej txheej rau kev txhawb nqa, ntsuas kev ua haujlwm ntawm rwb thaiv tsev thiab cov kev xav tau yooj yim, tsim nyog rau kev siv cov xwm txheej ntawm Insulated Flexible Copper Bus Bar rau Fais Fab Roj Teeb Pob.

 

Rau lub zog cia tshuab, kev hloov pauv thoob ntiaj teb tuaj yeem ua tiav, nrog rau ib qho -sab tuab ntawm 1.5-2mm, haum rau qhov chaw nyuaj xws li plua plav thiab av noo; los ntawm qhov kev xav ntawm tus nqi, lub dip-coated tooj liab tuav muaj tus nqi qis dua lub laser-welded PI zaj duab xis tov los ntawm 35%, ua tau raws li qhov yuav tsum tau muaj ntawm qhov chaw txwv thiab kev taw qhia tus nqi ntawm lub zog cia.

Kev xaiv cov khoom siv rau dip txheej ntawm lub hwj chim roj teeb pob tooj liab tuav yuav tsum muaj kev xav txog kev rwb thaiv tsev, kub tsis kam, kub dissipation, txheej txheem nqi, thiab ib puag ncig adaptability. Tam sim no, cov ntaub ntawv tseem ceeb suav nrog peb hom. PVC (polyvinyl chloride) yog cov khoom siv dav tshaj plaws, nrog kev ua haujlwm zoo ntawm rwb thaiv tsev, tiv taus qhov hluav taws xob ntawm 3500V AC / DC, lub zog rwb thaiv tsev ntawm 20-28 kV / mm, ua tau raws li UL94-V0 nplaim hluav taws retardant tus qauv, zoo ntsev tsuag kev ua tau zoo, kev ua haujlwm kub ntawm -40℃rau mbatch, tus nqi qis tshaj ntau lawm, thiab nws yog cov khoom tseem ceeb ntawm PVC Coated Bus Bars, tab sis nws cov kev txwv yog pom tseeb, nrog ib tug thermal conductivity ntawm tsuas yog 0.2 W / (m·K), thickening lub txheej yuav ua rau kom lub thermal kuj, thiab muaj tsis zoo-kub toughness, nws yuav ua rau tawg.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Epoxy resin yog tsim rau cov xwm txheej uas xav tau lub teeb yuag, nyias - txheej rwb thaiv tsev siab, nrog cov txheej tuab uas tuaj yeem tswj tau ntawm 0.3-0.8mm, tiv taus qhov hluav taws xob txog li 4500V DC (kua tam sim no <1mA), rwb thaiv tsev tiv thaiv> 800MΩ, tsis tshua muaj zog adhesion ntawm qib adhesion, 40% piv rau PVC txheej, haum rau rhiab roj teeb qhov chaw scenarios, tab sis tus nqi yog 30% siab dua PVC, thiab qhov curing kub yuav tsum tau precisely tswj (± 5 degree), txwv tsis pub, micro tawg yog nquag tshwm sim. Nylon-raws li PPA (Poly(2-Phenoxyacetamide))) yog haum rau siab -kev vibration thiab kub-kub ib puag ncig.

 

Nws qhov ntsuas kub tsis tu ncua tuaj yeem ncav cuag siab tshaj 150 degree, thiab nws tuaj yeem tiv taus luv luv -lub sijhawm cua sov mus txog 180℃. Nws outperforms PVC thiab epoxy resin nyob rau hauv cov nqe lus ntawm tshav kub tsis kam thiab tshuaj tsis kam. Nws muaj lub zog txhua yam, nrog lub zog tensile tshaj 70MPa, thiab tiv taus kev co qaug zog. Nws yog qhov tsim nyog rau kev vibration ib puag ncig hauv tsheb. Txawm li cas los xij, tus nqi raw khoom yog siab dua, ua ob npaug ntawm PVC. Kev ua haujlwm kub yuav tsum tswj tsis pub dhau 300℃± 10 degree. Cov txheej txheem no tuaj yeem ua rau oxidation ntawm lub tsheb npav tooj liab.

Raws li cov xwm txheej sib txawv, cov ntaub ntawv thov kev npaj yuav tsum tau ua kom zoo sib xws: Rau siab - lub zog ntom ntom tsim ntawm cov roj teeb hluav taws xob, epoxy resin raug pom zoo, nrog cov txheej thickness tsawg dua los yog sib npaug li 0.8 hli, tsuas yog npog qhov kawg ntawm BDU, thiab lub cev tseem ceeb coated nrog 0.15mm PI zaj duab xis tuab; Rau siab -ib puag ncig kev co, PPA (nylon-}raws li) raug pom zoo. Ib nrab dip txheej ntawm qhov khoov yog pom zoo los txhim kho kev qaug zog. Rau tus nqi- cov qauv tsim, hloov PVC tau pom zoo, nrog rau kev txhim kho thermal conductivity rau 0.45 W / (m·K) los ntawm kev ntxiv 5% nano-Al₂O₃, thiab cov txheej thickness yog txo mus rau 1.0mm. Rau siab - huab cua tiv thaiv kev xav tau ntawm lub zog khaws cia, PVC tau pom zoo nrog txheej tuab (1.5-2.0mm) kom hloov mus rau qhov chaw nyuaj; Ntev- lub sij hawm tus nqi optimization kuj pom zoo rau PVC, nrog rau nws cov nqi kom zoo dua yog qhov tseem ceeb.

Muaj qhov sib txawv tseem ceeb ntawm qhov tseem ceeb ntawm qhov tsis sib xws ntawm ob qhov xwm txheej: Hauv qhov xwm txheej ntawm lub roj teeb hluav taws xob, cov cua sov dissipation (λ> 0.4 W / (m·K)) yog qhov tseem ceeb tshaj qhov hnyav (txheej <0.8mm) thiab tus nqi; Nyob rau hauv lub zog cia system scenario, rwb thaiv tsev (nrog voltage> 4500V) yog ib qho tseem ceeb tshaj corrosion kuj thiab nqi. Nyob rau hauv cov nqe lus ntawm kev tswj cov txheej txheem, lub preheating kub yuav tsum tau ua tib zoo tswj, nrog tooj liab busbars ntawm 200℃± 5℃thiab aluminium busbars ntawm 170℃± 5 degree, los tiv thaiv tsis txaus txheej adhesion. Rau epoxy resin, peb -theem curing nkhaus (80℃→ 120℃→ 200 degree) yog pom zoo kom tsis txhob muaj micro- tawg thiab ua kom lub rwb thaiv tsev kev ntseeg tau ntawm lubRoj teeb Bus Bar.

Zuag qhia tag nrho, daim ntawv thov ntawm cov txheej txheem dip txheej hauv lub hwj chim roj teeb pob tsom mus rau kev ua tiav qhov sib npaug ntawm kev ntseeg tau ntawm rwb thaiv tsev, kev sib haum xeeb hauv cov cua sov dissipation, thiab cov kev xav tau sib sib zog nqus. Qhov tseem ceeb yog nyob rau hauv kev kho kom zoo ntawm cov txheej txheem, customization ntawm scenarios, thiab cov khoom innovation. Kev ua kom zoo dua ntawm cov txheej txheem yuav tsum tau ± 5% kev tswj xyuas qhov tseeb hauv cov khoom xws li kev ua kom sov ua ntej, tswj viscosity, thiab gradient plasticization; Scenario customization yuav tsum muaj cov tswv yim sib txawv rau hauv zos dip txheej ntawm cov roj teeb fais fab thiab cov txheej tuab thoob plaws hauv lub zog cia; Kev tsim kho tshiab ntawm cov ntaub ntawv xav tau kev txhim kho ntawm nano- fillers thiab qis- gel formulations kom tawg los ntawm kev txwv kev ua haujlwm ntawm cov khoom siv ib txwm muaj.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nyob rau hauv lub neej yav tom ntej, raws li cov khoom siv- lub xeev cov roj teeb uas muaj lub zog hluav taws xob siab (800V +) tau dhau los ua ntau dua, cov txheej txheem dip txheej yuav hloov mus rau ultra- txheej txheej nyias (<0.5mm) and functional composites (insulation/conduction/electromagnetic shielding integration), further adapting to the technological upgrade requirements of the new energy automotive industry.