Tshiab zog tsheb zaj duab xis capacitor busbar khoom kev lag luam paub cov ntsiab lus
Jun 04, 2026
cov khoom txhais
Tshiab lub zog tsheb zaj duab xis capacitor busbar yog laminated composite conductive connector tshwj xeeb uas tsim los rau DC txhawb capacitors nyob rau hauv hluav taws xob tsheb, hybrid tsheb thiab ntsaws - nyob rau hauv hybrid tsheb. Cov khoom no feem ntau yog ua los ntawm ob lossis ntau txheej ntawm tooj liab tuav sandwiched los ntawm ib qho nruab nrab insulating (xws li polyester zaj duab xis los yog polypropylene zaj duab xis) thiab laminated los ntawm kub nias los ua ib tug integrated sandwich qauv ntawm "zoo electrode- rwb thaiv tsev- tsis zoo electrode". Terminals tau kos tawm ntawm ob qho kawg lossis ob sab rau kev sib txuas hluav taws xob semiconductor modules (xws li IGBT, SiC modules) thiab DC busbars. Piv nrog rau cov kev sib txuas ntawm cov xov hlau tsis sib xws, qhov kev sib koom ua ke no muaj qhov tsis tshua muaj kev faib tawm inductance (feem ntau yog tswj tau nyob rau hauv thaj tsam ntawm 10nH txog 30nH), uas tuaj yeem cuam tshuam cov hluav taws xob hluav taws xob uas tsim los ntawm cov khoom siv hluav taws xob hloov thaum lub sij hawm siab - hloov ceev thiab tiv thaiv semiconductor chips los ntawm overvoltage breakdown. Nyob rau hauv cov nqe lus ntawm cov khoom daim ntawv, Tshiab Zog Tsheb Zaj duab xis Capacitor BusBar yog ib tug qauv lub npe nyob rau hauv kev lag luam, hais txog nws cov kev sib raug zoo nrog cov zaj duab xis capacitors; thaum Automotive Power Connectors yog ib pawg dav, npog tag nrho cov siab -voltage connectors nyob rau hauv lub tsheb fais fab, nyob rau hauv uas lub busbar yog lub luag hauj lwm rau kis tau tus mob loj tam sim no ntawm capacitors thiab fais fab modules.
Raws li qhov sib txawv ntawm cov txheej txheem tsim khoom thiab kev kho saum npoo, Busbar Automotive feem ntau yog hais txog tsheb- qib busbar cov khoom, uas yuav tsum tau ua raws li ISO 26262 cov qauv kev nyab xeeb thiab LV 215 siab -voltage connector specifications. Hais txog corrosion kuj thiab weldability, Tin- phaj Busbar Automotive thiab Tin Plated tooj liab BusBar rau EV xa mus rau busbars nrog tin -plated nto. Lub thickness ntawm cov tin-plated txheej feem ntau yog 3 ~ 10μm, uas tuaj yeem tiv thaiv oxidation ntawm tooj liab matrix thiab muab kev tiv thaiv ruaj khov thaum bolts tau nruj. Los ntawm daim ntawv thov, lub tsheb busbar hluav taws xob npog tag nrho cov khoom los ntawm kev sib txuas ntawm tes hauv cov roj teeb pob, module series txuas rau capacitor kev sib txuas hauv lub cev muaj zog; thaum lub ev roj teeb busbar tshwj xeeb yog hais txog cov roj teeb kev sib txuas hauv cov roj teeb pob. Qhov txawv ntawm lub capacitor busbar yog tias nws yuav tsum tau tiv taus ntau zaus vibrations thiab cell expansion displacements.

Cov txheej txheem tsim khoom
Kev tsim cov txheej txheem ntawm lub zog tshiab lub tsheb zaj duab xis capacitor busbars sib txuas ntau yam thev naus laus zis xws li precision stamping, xaiv plating, kub xovxwm lamination, thiab CNC dabtsi yog khoov. Txhua tus txheej txheem muaj qhov cuam tshuam ncaj qha rau kev ua haujlwm hluav taws xob thiab kev pabcuam lub neej ntawm cov khoom kawg. Lub ntsiab lus pib ntawm cov txheej txheem saw hlau yog qhov blanking thiab tsim ntawm tooj liab strips: blanking, xuas nrig ntaus thiab ua ntej -bending siab- precision tooj liab strips (thickness 1 ~ 5mm) yog ua tiav nyob rau hauv ib qho mus los ntawm siab - xuas nrig ntaus thiab nce zuj zus. Rau ntau- txheej txheej, qhov zoo thiab qhov tsis zoo ntawm cov tooj liab yuav tsum tau ua tiav nyias thiab tsim los xyuas kom meej tias lawv tuaj yeem ua kom raug tom qab sib dhos. Tom qab stamping tiav lawm, cov npoo ntawm tag nrho cov tooj liab yuav tsum tau chamfered los yog deburred (chamfer vojvoog 0.5 ~ 1.5mm) kom tsis txhob ntse burrs los ntawm tho lub rwb thaiv tsev zaj duab xis nyob rau hauv cov txheej txheem tom ntej. Tom ntej no, nkag mus rau cov txheej txheem kev xaiv plating: rau Tin- phaj Busbar Automotive thiab Tin Plated tooj liab BusBar rau EV, peb tsuas yog yuav tsum tau tin- phaj cov kev sib txuas terminals (uas yog, thaj tsam ntawm kev sib cuag nrog lub hwj chim module lossis capacitor), thaum lwm qhov chaw ntawm cov tooj liab bar tuaj yeem nyob twj ywm liab qab txheej (willing txheej). Kev xaiv plating yog ua tiav los ntawm kev npog qhov chaw uas tsis yog{16}}plated (siv cov khoom tshwj xeeb lossis tus cwj mem photosensitive). Lub thickness ntawm tin txheej yog 3 ~ 10μm. Tom qab plating, yuav tsum tau kuaj ntsev ntsev kom paub tseeb tias qhov kev tiv thaiv corrosion.
Tom qab electroplating tiav lawm, txheej txheem lamination tseem ceeb tshaj plaws pib. Muab cov tooj liab zoo, insulating zaj duab xis (polypropylene los yog PET) thiab qhov tsis zoo tooj liab bar nyob rau hauv kev txiav txim thiab ces pub rau hauv lub tshuab nqus tsev kub xovxwm. Qhov kub nias yog tswj los ntawm 120 ~ 180℃(nyob ntawm qhov chaw melting ntawm cov khoom siv insulating), lub siab yog 5 ~ 15kg / cm², thiab cov cua sov thiab siab yog khaws cia rau 30 ~ 90 vib nas this. Thaum lub sij hawm tus txheej txheem no, nto ntawm cov zaj duab xis insulating yog ib nrab melted los yog softened, thiab ze rau adheres rau saum npoo ntawm tooj liab bar nyob rau hauv siab. Tom qab txias, ib qho khoom sib xyaw uas tsis muaj npuas thiab hloov chaw yog tsim. Rau New Energy Vehicle Film Capacitor BusBar, txij li thaum lub capacitor tsis tshua muaj siab rau cov kab mob parasitic, thaj tsam sib tshooj thiab ntug kev sib dhos ntawm qhov zoo thiab qhov tsis zoo tooj liab tuav yuav tsum tau tswj nruj me ntsis thaum lub sij hawm lamination, txwv tsis pub nws yuav ua rau lub zos inductance nce los yog hluav taws xob field concentration.

Cov khoom zoo
Kev xaiv cov khoom siv rau lub zog tshiab lub tsheb zaj duab xis capacitor busbars yuav tsum coj mus rau hauv tus account conductivity, rwb thaiv tsev kev ua tau zoo, tshav kub tsis kam thiab lub tsheb - theem kev ntseeg tau. Cov khoom siv hluav taws xob feem ntau siv T2 tooj liab lossis C1100 electrolytic tawv tooj liab, nrog cov ntsiab lus tooj liab Ntau dua lossis sib npaug li 99.90% thiab conductivity Ntau dua lossis sib npaug rau 97% IACS. Nyob ntawm lub peev xwm nqa tam sim no, lub thickness ntawm cov tooj liab bar feem ntau yog nruab nrab ntawm 1mm thiab 5mm, thiab qhov dav yog tsim los ntawm qhov chaw nruab thiab kev faib tawm tam sim no. Rau siab -tam sim no daim ntawv thov nyob rau hauv busbar hluav taws xob tsheb, tooj liab-aluminium composite busbars (uas yog, txheej nruab nrab yog txhuas thiab ob sab yog them nrog tooj liab) qee zaum siv los txo qhov hnyav thaum ua kom muaj kev ua tau zoo. Txawm li cas los xij, cov tooj liab ntshiab tseem yog cov ntsiab lus tseem ceeb hauv capacitor busbars vim tias cov thermal expansion coefficient ntawm tooj liab yog qhov zoo sib xws nrog cov khoom siv ceramic lossis hlau ntawm lub capacitor terminals.
Hais txog kev kho saum npoo, Tin- phaj Busbar Automotive thiab Tin Plated Copper BusBar rau EV xav tau cov tin plating txheej kom tuab thiab sib xws, nrog lub thickness ntawm feem ntau 3 ~ 8μm. Tin plating muaj peb txoj haujlwm: ua ntej, txhawm rau tiv thaiv cov tooj liab matrix los ntawm oxidation thiab discoloration thaum lub sij hawm siv ntev ({4}} cov resistivity ntawm tooj liab oxide ntau dua li cov hlau tooj liab); Thib ob, thaum lub bolts tau nruj, cov mos mos tin txheej tuaj yeem ua kom cov yas deform thiab sau cov khoob khoob khoob ntawm qhov chaw sib cuag, ua rau kev tiv thaiv qis dua thiab ruaj khov; Thib peb, cov tshuaj ruaj khov ntawm cov tin txheej tuaj yeem qeeb electrochemical corrosion thaum txuas nrog txhuas hlau lossis txhuas terminals. Rau cov khoom uas tsis tas yuav tsum tau tin plating, ib nrab nyiaj lossis npib tsib xee plating kuj tuaj yeem ua rau ntawm qhov chaw sib txuas, tab sis tus nqi siab dua. Cov ntaub ntawv rwb thaiv tsev yog cov tseem ceeb ntawm cov laminated busbars. Qhov nruab nrab insulating nruab nrab ntawm ob txheej ntawm tooj liab bar feem ntau yog polypropylene (PP) zaj duab xis los yog polyethylene terephthalate (PET) zaj duab xis, nrog ib tug tuab ntawm 0.1 hli thiab 0.5 hli. Ntawm lawv, polypropylene zaj duab xis muaj qis dielectric poob thiab siab dua tawg teb lub zog, thiab yog haum rau capacitor busbars uas xav tau hluav taws xob kev ua tau zoo; thaum PET zaj duab xis muaj qhov ntsuas kub siab dua (txog 130 degree) thiab tsim nyog rau kev siv ze rau cov khoom cua sov.

Kev lag luam kev lag luam
Cov ntawv thov tseem ceeb hauv kev lag luam ntawm lub zog tshiab lub tsheb zaj duab xis capacitor busbars yog tsom rau hauv thaj chaw ntawm hluav taws xob tsheb tsav tsheb thiab kev them nqi hluav taws xob. Nyob rau hauv lub ntsiab tsav lub cev muaj zog maub los ntawm cov hluav taws xob ntshiab tsheb (BEV) thiab hybrid hluav taws xob tsheb (HEV), DC-Txuas cov capacitors tau txuas nrog nyob rau hauv parallel ntawm lub hwj chim roj teeb thiab IGBT/SiC fais fab module kom du lub tsheb npav voltage, nqus ripple tam sim no thiab suppress voltage spikes. Tus Tshiab Zog Lub Tsheb Zaj Duab Xis Capacitor BusBar yog tus choj txuas lub capacitor thiab lub zog module - nws qhia lub zog DC los ntawm lub roj teeb rau hauv lub capacitor los ntawm txoj kev inductance tsawg heev, thiab tom qab ntawd xa cov lim dej ntshiab DC rau lub hwj chim module. Txij li thaum kev khiav hauj lwm hloov zaus ntawm hluav taws xob lub cev muaj zog controllers feem ntau yog nyob nruab nrab ntawm 8 kHz thiab 20 kHz, lub hwj chim module yuav tsim tsis tshua muaj siab di / dt (tam sim no hloov pauv) ntawm lub sij hawm hloov. Yog tias qhov inductance txuas nrog lub busbar loj dhau, qhov txaus ntshai siab -voltage spikes yuav raug ntxias ntawm ob qho kawg ntawm lub hwj chim module, uas yuav ua rau cov nti semiconductor.
Busbar Automotive's laminated composite qauv tuaj yeem txo qis inductance mus rau qib qis, uas yog qhov kev ntsuas tseem ceeb los xyuas kom muaj kev nyab xeeb ntawm lub zog hluav taws xob. Hauv kev them nyiaj ceev ceev ntawm lub tsheb hluav taws xob, cov khoom ntim zaj duab xis thiab lawv cov busbars txhawb nqa kuj tau siv dav hauv cov ntawm -board charger (OBC) thiab DC-DC converter. Hauv cov xwm txheej no, Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob yuav tsum tiv taus cov dej ntws loj thaum them nyiaj (feem ntau 150A txog 500A) thiab kev co tsis tu ncua thaum tsav tsheb. Yog li ntawd, cov kev xav tau siab yog muab tso rau ntawm lub zog txhua yam thiab kev vibration tsis kam ntawm busbar. Nws yog ib qho tsim nyog sau cia tias nrog qhov muaj koob meej ntawm 800V siab -voltage platforms, kev kho rwb thaiv tsev ntawm Tin- phaj Busbar Automotive (xws li hmoov txheej lossis dipping) yuav tsum tau ua kom tau raws li qhov muaj zog tiv taus ntau dua (feem ntau yuav tsum tau ntsuas hluav taws xob hluav taws xob 1000V DC, tiv taus voltage 3000V). Hauv kev lag luam tsheb, xws li tsheb npav hluav taws xob thiab cov tsheb thauj khoom hluav taws xob, cov tswj lub cev muaj zog muaj zog dua (txog li 300kW). Kev txhawb nqa Tin Plated Copper BusBar rau EV thiab busbar hluav taws xob tsheb feem ntau siv cov tooj liab tuab (3 ~ 6mm) thiab ntau- txheej txheej thaum ua ke los txo qhov poob thiab kub nce. Txawm hais tias daim ntawv thov txoj haujlwm ntawm ev roj teeb busbar thiab capacitor busbar txawv, ob leeg muaj tib lub tswv yim tsim - lawv ob leeg nrhiav kev ua haujlwm qis, qis inductance thiab kev ntseeg siab.

tiv tauj peb
Peb muaj qhov tsawg -inductance tsim thiab precision manufacturing peev xwm ntawmTsheb BusBar. Peb pab pawg neeg tsav tsheb- qib engineers tuaj yeem ua tiav qhov kev sim ua kom tsis muaj zog inductance thiab cov qauv hais raws li koj qhov kev txwv tsis pub dhau thiab xa cov qauv ua raws -cov qauv ua raws rau koj qhov kev sim thiab kev kuaj xyuas.








