Copper busbars tau siv dav hauv cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, tsheb hluav taws xob, thiab lwm yam kev siv hluav taws xob siab tam sim no. Vim tooj muajzoo heev hluav taws xob conductivity thiab tsis tshua muaj thermal conductivity, tshav kub generated thaum lub sij hawm vuam kis tau sai sai rau hauv cov khoom nyob ib puag ncig. Yog li ntawd, kev tswj cov txheej txheem vuam rau tooj liab busbars feem ntau nyuaj dua rau ntau lwm yam hlau.
Yog tias cov txheej txheem vuam tsis raug tswj tau zoo, ib qho lojThaum tshav kub kub-Affected Zone (HAZ)tuaj yeem txhim kho nyob ib puag ncig thaj tsam weld. HAZ ntau dhau tuaj yeem cuam tshuam qhov pom ntawm qhov sib koom ua ke thiab kuj tseem tuaj yeem txo qhov kev ua tau zoo ntawm hluav taws xob lossis ua rau thaj chaw softening thiab distortion ntawm busbar. Vim li no, txo qhov cua sov- thaj tsam cuam tshuam yog lub hom phiaj tseem ceeb thaum tsim lossis ua kom zoo dua cov txheej txheem tooj liab busbar vuam.
Kab lus no piav qhiaYuav ua li cas cov cua sov- cuam tshuam rau cheeb tsam, cov ntsiab lus tseem ceeb uas cuam tshuam rau nws, thiab cov tswv yim los txo nws. Nws kuj sib piv ob peb hom tooj liab busbar vuam technologies thiab muab kev taw qhia rau manufacturers xaiv vuam khoom, nrog rau diffusion vuam tshuab.
Thaum tshav kub kub yog dab tsi?
Lub ntsiab lus ntawm tshav kub -Teb chaws cuam tshuam
Thaum vuam, tsis yog tag nrho cov khoom nyob ze ntawm qhov sib koom ua ke. Txawm li cas los xij, cov hlau nyob ib puag ncig raug rau qhov kub siab uas tuaj yeem hloov kho nwsmicrostructure thiab mechanical zog. Thaj chaw uas cov teebmeem thermal tshwm sim yog hu ua tshav kub- thaj tsam cuam tshuam.
Hauv cov ntsiab lus yooj yim, cov cua sov- thaj tsam cuam tshuam yog feem ntawm cov khoom siv hauv paus uas tsis yaj tab sis tseem hloov pauv los ntawm cov cua sov tsim thaum lub sij hawm vuam. Cov kev hloov hauv cheeb tsam no yuav suav nrog kev hloov pauv ntawm cov qauv nplej, hardness, lossis hluav taws xob conductivity.
Yog vim li cas tooj liab Busbars rhiab heev rau HAZ
Tooj liab coj txawv ntawm ntau cov qauv hlau thaum vuam vim muaj ob yam tseem ceeb.
Ua ntej, tooj liab muajheev thermal conductivity. Thaum tshav kub kub generated ntawm lub weld kis tau sai heev los ntawm cov khoom nyob ib puag ncig, ua rau nws nyuaj rau khaws cov cua sov concentrated nyob rau hauv ib tug me me cheeb tsam.
Qhov thib ob, tooj liab nto feem ntau txhim khooxide txheej, uas tuaj yeem cuam tshuam nrog hluav taws xob tiv tauj thaum vuam thiab xav tau lub zog ntau dua kom ua tiav kev sib koom ua ke ruaj khov.
Thaum cov xwm txheej no sib xyaw ua ke, cov cua sov ntau dhau tuaj yeem kis tau yooj yim tshaj qhov chaw vuam yog tias qhov ntsuas qhov vuam tsis ua tib zoo tswj.
Teeb meem tshwm sim los ntawm qhov kub dhau heev -Teb chaws cuam tshuam
Yog tias tshav kub- thaj tsam cuam tshuam loj dhau, ntau qhov teeb meem yuav tshwm sim:
- Pom pom tsis muaj xim lossis oxidation nyob ib ncig ntawm lub vuam
- Txo hluav taws xob conductivity
- Local distortion los yog warping ntawm lub busbar
- Kev puas tsuaj rau cov khoom siv rwb thaiv tsev nyob ze
- Weld lub zog tsis sib xws
Rau cov tuam txhab ua haujlwm nrog siab - cov khoom siv hluav taws xob tam sim no, kev tswj cov khoom siv hluav taws xob thaum lub sij hawm vuam yog qhov tseem ceeb los tswj cov kev ua tau zoo thiab kev ntseeg siab.
Yam tseem ceeb uas cuam tshuam rau lub tshav kub -Teb chaws cuam tshuam
Ob peb lub vuam tsis ncaj qha cuam tshuam qhov loj ntawm cov cua sov- cuam tshuam cheeb tsam thaum vuam tooj liab busbars.
Vuam tam sim no
Vuam tam sim no txiav txim siab npaum li cas cov cua sov tau tsim thaum lub sijhawm ua haujlwm. Yog tias qhov tam sim no siab dhau lawm, cov cua kub ntau dhau yuav raug tsim tawm thiab kis mus rau hauv cov khoom nyob ib puag ncig, ua kom lub tshav kub loj dua - thaj tsam cuam tshuam. Yog li ntawd, tam sim no yuav tsum tau ua tib zoo ua tib zoo sib xws rau lub busbar thickness thiab vuam txoj kev.
Lub sijhawm vuam
Lub sijhawm vuam ntev dua, ntau lub sijhawm cua sov yuav tsum tau nthuav tawm ntawm qhov sib koom ua ke. Piv txwv li, nyob rau hauv ib txwm tsis kam welding txheej txheem kav ntev tshaj 100 milliseconds, tshav kub maj diffuses mus rau ib puag ncig tooj liab.
Ntau lub tshuab vuam niaj hnub no txo cov nyhuv no los ntawm kev sivluv zog pulses, tso cai rau kev sib koom ua ke ua ntej tshav kub kis tau zoo heev.
Electrode Siab
Electrode siab cuam tshuam rau hluav taws xob tiv thaiv ntawm electrodes thiab workpiece. Yog tias lub siab tsis txaus, qhov kev tiv thaiv tsis ruaj khov tuaj yeem tshwm sim, ua rau cua sov tsis sib xws thiab muaj peev xwm nthuav tawm cov cua sov- thaj tsam cuam tshuam.
Lub siab zoo pab mloog zoo rau cov vuam tam sim no ntawm qhov sib koom ua ke thiab txhim kho vuam ruaj khov.
Qhov saum npoo ntawm tooj liab Busbar
Roj, oxidation, los yog lwm yam kab mob ntawm cov tooj liab tuaj yeem ua rau hluav taws xob tiv thaiv ntawm qhov chaw sib cuag. Qhov no tuaj yeem tsim cov cua sov hauv zos ntxiv thaum lub sijhawm vuam.
Vim li no,nto ntxuav ua ntej weldingNws yog ib qho tseem ceeb los xyuas kom meej lub zog ruaj khov thiab zoo ib yam weld zoo.
Sib piv cov txheej txheem Copper Busbar Vuam
Cov txheej txheem vuam sib txawv qhia cov cua sov rau hauv cov khoom sib txawv. Yog li ntawd, lawv tsim ntau qhov sib txawv ntawm cov cua sov- thaj chaw cuam tshuam. Cov kev sib piv hauv qab no qhia txog qhov sib txawv no raws li kev xa khoom hluav taws xob, lub sijhawm vuam, thiab cov ncej zoo ib yam -weld tsos.
| Vuam txoj kev | Kev xa hluav taws xob | Lub Sijhawm Vuam Tej | Hom HAZ yam ntxwv | Tej kev siv |
|---|---|---|---|---|
| Resistance Spot Vuam | Nruam tam sim no ntws | 80-200 hli | Discoloration feem ntau pom nyob rau hauv 3-6 mm cheeb tsam nyob ib ncig ntawm lub weld | Nyias tooj liab busbars, kev sib txuas hluav taws xob |
| Capacitor Discharge Vuam | Lub zog tso tawm tam sim | 3-20 hnub | Discoloration feem ntau txwv nyob rau hauv li 2-3 hli ntawm weld | Roj teeb tabs, nyias tooj liab connectors |
| Copper Diffusion Vuam | Kub kub thiab siab, ruaj khov-lub xeev kev sib raug zoo | Ob peb feeb mus rau feeb | Tsawg pom kev tsis pom kev; kev hloov ntawm cov qauv feem ntau ntawm lub interface | Thick tooj liab busbars, siab -kev ntseeg tau hluav taws xob pob qij txha |
Feem ntau, lub sij hawm vuam luv luv thiab ntau lub zog xa tawm ua rau muaj cua sov me me- thaj chaw cuam tshuam. Vim hais tias diffusion vuam yog ib qho khoom siv - lub xeev txheej txheem uas tsis cia siab rau melting lub hauv paus cov ntaub ntawv, nws feem ntau ua rau qhov tsawg tshaj plaws pom thermal cuam tshuam.
Rau txoj hauv kev los txo cov cua sov-Teb chaws cuam tshuam
Cov neeg tsim khoom tuaj yeem txo cov cua sov- thaj tsam cuam tshuam los ntawm kev ua kom cov khoom siv vuam zoo thiab cov txheej txheem tsis zoo.
1. Txo lub sij hawm vuam
Lub sij hawm vuam luv luv txwv cov cua sov uas tuaj yeem kis mus rau cov khoom nyob ib puag ncig. Cov thev naus laus zis uas xa lub zog hauv cov pulses luv luv tso cai rau kev sib koom ua ke sai sai thaum txo qis thermal diffusion.
2. Xaiv cov txheej txheem vuam tsim nyog
Kev xaiv txoj kev vuam muaj qhov cuam tshuam loj rau cov khoom siv hluav taws xob.
Piv txwv li:
- Capacitor paug vuam yog tsim rau nyias cov ntaub ntawv tooj liab.
- Diffusion welding feem ntau nyiam rau cov busbars tuab thiab siab - kev ntseeg tau cov pob qij txha.
Xaiv cov txheej txheem kom raug tuaj yeem txo cov teebmeem thermal thaum lub sijhawm vuam.
3. Txhim kho Electrode Tsim
Electrode tsim plays lub luag haujlwm tseem ceeb hauv kev tswj cov cua sov. High -cov electrodes zoo feem ntau sivsiab -copper alloys conductivitythiab tau tsim los muab cov cua sov kom zoo.
Tsim nyog electrode geometry pab mloog zoo tam sim no ntawm qhov chaw vuam thiab txo cov cua sov.
4. Txhim kho kev npaj nto
Ua ntej vuam, tooj liab busbar yuav tsum tau muab ntxuav kom zoo. Kev npaj tau zoo yuav muaj xws li:
- Tshem cov roj los yog roj
- Tshem tawm cov oxide txheej
- Xyuas kom qhov chaw qhuav thiab huv si
Cov chaw huv si tso cai rau tam sim no ntws mus tas li thiab tiv thaiv kev tsim hluav taws xob tsis tsim nyog.
5. Siv lub tshuab ua kom txias kom zoo
Cov tshuab cua txias pab tshem tawm cov cua sov ntau dhau ntawm qhov chaw vuam. Cov kev daws teeb meem muaj xws li:
- Dej-txias electrodes
- Dej-cov khoom siv txias txias
- Circulating cua txias systems
Kev ua kom txias zoo tiv thaiv kom tsis txhob muaj cua sov hauv cov khoom siv thiab pab tswj kom muaj cua sov me me- thaj tsam cuam tshuam.
6. Siv Precision Welding Control Systems
Cov cuab yeej siv vuam niaj hnub no feem ntau suav nrog cov digital lossis microcomputer-raws li kev tswj hwm uas tso cai rau kev hloov pauv ntawm cov vuam tam sim no, lub sijhawm, thiab siab. Kev tswj ruaj khov ua kom muaj kev xa hluav taws xob zoo ib yam thiab txo qis qhov hloov pauv uas tuaj yeem ua kom lub tshav kub loj dua - thaj tsam cuam tshuam.
Qhov zoo ntawm Diffusion Vuam rau Copper Busbars
Rau cov ntawv thov uas xav tau kev sib txuas hluav taws xob zoo heev, diffusion welding yog nce tau txais yuav.
Solid-State Bonding nrog tsawg kawg Thermal Impact
Diffusion vuam koom nrog cov ntaub ntawv nyob rau hauv siab kub thiab siab los ntawm atomic diffusion. Vim tias cov ntaub ntawv hauv paus tsis yaj thaum lub sij hawm txheej txheem, qhov chaw weld tsis tsim ib txwm molten weld pas dej ua ke.
Raws li qhov tshwm sim:
- Copper busbar nto qhia me ntsis los yog tsis muaj xim
- Lub tshav kub- cheeb tsam cuam tshuam tsawg heev
- Hluav taws xob conductivity tseem ruaj khov
Haum rau High -Kev ntseeg tau hluav taws xob daim ntawv thov
Diffusion welding yog tshwj xeeb tshaj yog haum rau:
- Thick tooj liab busbar txuas
- Siab - cov khoom siv hluav taws xob tam sim no
- Lub zog cia systems
- Cov khoom siv hluav taws xob
Hauv cov ntawv thov no, diffusion vuam tshuab tuaj yeem muab cov pob qij txha ruaj khov thiab txhim khu kev qha thaum txo qis thermal cuam tshuam rau cov khoom nyob ib puag ncig.
Feem ntau yuam kev uas ua rau muaj cua sov-Zoo cuam tshuam
Hauv ib puag ncig tsim khoom, ntau qhov teeb meem kev ua haujlwm tuaj yeem ua rau lub tshav kub loj dua - thaj tsam cuam tshuam:
- Vuam tam sim no tau teeb tsa siab dhau lawm
- Lub sijhawm vuam ntau dhau
- Hnav electrodes uas tsis tau hloov
- Cov kab mob tooj liab
- Cov cua txias tsis zoo
Kev tshuaj xyuas tsis tu ncua ntawm cov khoom siv vuam thiab ua tib zoo saib xyuas cov txheej txheem tsis tuaj yeem pab tiv thaiv cov teeb meem no.
Xaus
Qhov loj ntawm lub tshav kub- thaj tsam cuam tshuam hauv tooj liab busbar vuam muaj qhov cuam tshuam ncaj qha rau ob qho tib si weld zoo thiab ntev - cov khoom lag luam ntseeg tau. Los ntawm ua tib zoo tswj cov vuam tam sim no, vuam lub sij hawm, thiab electrode siab, thiab los ntawm kev tswj kom zoo nto thiab txias tshuab, manufacturers muaj peev xwm txo tau kub diffusion thaum lub vuam txheej txheem.
Qhov tseem ceeb sib npaug yog xaiv qhov tsim nyog vuam tshuab. Rau cov ntawv thov uas xav tau kev ua haujlwm hluav taws xob ruaj khov thiab kev puas tsuaj tsawg kawg nkaus -xws li lub zog cia khoom, cov khoom siv hluav taws xob, thiab siab - tam sim no busbar sib dhos-capacitor tawm weldingthiabtooj liab diffusion vuamfeem ntau nyiam cov kev daws teeb meem.
Thaum xaiv cov khoom siv vuam, cov tuam ntxhab yuav tsum xav txog tsis yog lub tshuab fais fab nkaus xwb tab sis kujtswj qhov tseeb, siab system stability, thiab tsim kom txias, raws li cov xwm txheej no ua lub luag haujlwm tseem ceeb hauv kev ua kom tau raws li qhov zoo sib xws thaum txo cov cua sov- thaj tsam cuam tshuam.
