Txoj kev loj hlob sai ntawm lub zog tshiab tsheb tau tsa qhov nyuaj thiab kev ua haujlwm ntawm cov tshuab hluav taws xob mus rau qib tshiab.Multi-layer printed circuit boards, nrog rau lawv cov khoom siv hluav taws xob zoo heev, kev sib koom ua ke siab, thiab kev ntseeg siab, tau dhau los ua cov khoom tseem ceeb ntawm ntau yam khoom siv tseem ceeb, sib sib zog nqus hauv ntau lub tshuab xws li lub zog, kev txawj ntse, thiab kev nyab xeeb ntawm lub zog tshiab.
1, Fais fab system
(1) Roj teeb tswj System
BMS tuaj yeem suav tau tias yog "lub hlwb" ntawm cov pob roj teeb, uas tswj hwm kev them nqi thiab tawm, qhov kub thiab txias, sib npaug, thiab lwm yam ntawm lub roj teeb. Nws cov khoom siv tseem ceeb yog ntau- txheej luam tawm Circuit Board board. Lub roj teeb pob ntawm lub zog tshiab tsheb yog tsim los ntawm ntau tus neeg lub hlwb txuas nrog hauv cov koob lossis sib npaug. BMS yuav tsum tau saib xyuas qhov voltage, tam sim no, kub thiab lwm yam tsis tau ntawm txhua lub xov tooj ntawm tes hauv lub sijhawm tiag tiag thiab raug. Noj BMS ntawm Tesla Model 3 ua piv txwv, nws txais yuav 8- txheej board tsim nrog impedance kam rau ua nruj me ntsis tswj nyob rau hauv ± 5% los xyuas kom meej lub teeb liab. Vim tias BMS yuav tsum tau tswj cov teeb meem rhiab heev xws li kev ntsuas hluav taws xob, kev tshawb pom tam sim no, thiab kev sib txuas lus CAN, ntau- txheej luam tawm Circuit Board boards muaj cov teeb liab txheej txheej uas tuaj yeem cais cov kab teeb liab ntawm cov kab hluav taws xob thiab cov kab hauv av kom tsis txhob cuam tshuam, ua kom ruaj khov ADC cov qauv piv txwv, muaj txiaj ntsig zoo siab - suab nrov nrov, tiv thaiv BMS kev sib txuas lus tsis raug. Nyob rau tib lub sijhawm, nyob rau hauv cov nqe lus ntawm tshav kub dissipation, nruab nrab txheej ntawm multi- txheej luam tawm Circuit Board board tuaj yeem siv thaj tsam loj zog tooj liab ntawv ci rau cov cua sov dissipation, thiab hauv qab hauv av dav hlau ua raws li "heat dissipation phaj", koom tes nrog vias xa tawm chip tshav kub, tsis txhob nti zaus txo vim kev ua haujlwm siab ntawm MS roj teeb, qhov kub thiab txias. pob khoom.
(2) lub cev muaj zog tswj
MCU yog lub luag haujlwm rau kev tswj xyuas kev ua haujlwm ntawm lub cev muaj zog, tau txais cov lus qhia los ntawm tus tswj lub tsheb, thiab kho qhov ceev thiab lub zog ntawm lub cev muaj zog. Nyob rau hauv cov txheej txheem no, nws yuav tsum tau dais tam sim no tam sim no surge ntawm high voltage, uas yuav tsum tau tsis tshua muaj hluav taws xob kev ua tau zoo thiab tshav kub dissipation muaj peev xwm ntawm lub printed Circuit Court board board. Kev lig kev cai FR-4 substrates tsis txaus, thaum ntau- txheej luam tawm Circuit Board boards siv cov ntaub ntawv tshiab xws li ceramic raws tooj- clad laminates kom nce thermal conductivity mus rau 8W / m · K, uas tuaj yeem txhawb nqa ntev - lub sijhawm ua haujlwm ruaj khov siab dua 120℃thiab daws tau qhov teeb meem ntawm kev ua haujlwm hauv zos. Tsis tas li ntawd, ntau- txheej txheej luam tawm Circuit Board boards kuj tuaj yeem ua tiav lub zog hloov pauv thiab kev tswj xyuas lub cev muaj zog los ntawm lawv cov txheej txheem ntau txheej thiab tsim nyog layout ntawm lub zog hluav taws xob cov khoom xws li lub cev muaj zog tsav tsheb thiab inverters, kom ntseeg tau qhov smoothness thiab efficiency ntawm lub tsheb fais fab tso zis.
2, Intelligent system
(1) Tsheb infotainment system
Lub kaw lus muab kev ua haujlwm nplua nuj xws li audio thiab video playback, navigation, thiab tsheb cov ntaub ntawv qhia rau cov neeg tsav tsheb thiab cov neeg caij tsheb, nrog ntau- txheej txheej luam tawm Circuit Board boards ua lub luag haujlwm tseem ceeb hauv nws. Ntawm qhov tod tes, nws yuav tsum tau txuas lub vijtsam zaub nrog cov nti tswj thiab ntau lub sensors kom ua tiav lub sijhawm tiag tiag -, kev nthuav qhia meej ntawm dashboard cov ntaub ntawv thiab cov lus teb zoo ntawm tib neeg- kev sib cuam tshuam hauv computer; Ntawm qhov tod tes, nrog rau kev txhim kho cov cuab yeej ntse cockpit, lub kaw lus yuav tsum muaj kev sib koom ua ke ntau dua, xws li kev paub txog kev piav tes piav taw, kev tswj lub suab, thiab lwm yam, uas yuav tsum muaj ntau yam - txheej luam tawm Circuit Board boards kom muaj kev sib koom ua ke ntau dua thiab muaj peev xwm kis tau tus mob. Multi layer printed circuit board boards can meet complex circuit layout requirements in limited space through high-density wiring and miniaturization design, ensuring fast and accurate signal transmission between functional modules, and creating a comfortable and convenient driving experience for users. Piv txwv li, tom qab lub hauv paus tswj kev tshuaj ntsuam ntawm qee qhov siab - kawg lub zog tshiab tsheb, lub vijtsam zaub tau txuas nrog ntau cov txheej txheem ua haujlwm los ntawm ntau- txheej luam tawm Circuit Board boards, ua tiav siab - cov lus txhais cov duab tso tawm thiab cov lus teb ceev ceev.
(2) Nws pib tsav system
Kev sib txuas Sensor: Lub zog tshiab tsheb tau nruab nrog ntau lub sensors, xws li millimeter yoj radar, laser radar, koob yees duab, ultrasonic sensors, acceleration sensors, thiab lwm yam, kom paub qhov chaw ib puag ncig thiab tus kheej ntawm lub tsheb. Lub multi- txheej luam tawm Circuit Board board yog lub luag haujlwm rau kev txuas cov sensors nrog lub tshuab hluav taws xob tswj ntawm lub tsheb, ua kom muaj kev ruaj ntseg ntawm cov teeb liab sensor. Noj 77GHz millimeter nthwv dej radar ua piv txwv, nws muaj cov kev cai nruj heev rau cov dielectric tas li thiab qhov poob ntawm cov ntawv luam tawm ntawm lub rooj tsav xwm. Multilayer printed Circuit Board boards tau koom tes nrog cov tuam txhab tsim hluav taws xob los tsim PTFE + ceramic muab tub lim substrates, stabilizing lub dielectric qhov tsis tu ncua ntawm 3.0 ± 0.05 thiab txo qhov poob mus rau 0.0015, ua tau raws li qhov yuav tsum tau muaj rau siab - zaus cov teeb liab kis tau tus mob thiab xyuas kom meej lub kaum ntse ntse 'radiation, thiab kev deb ntawm lub hom phiaj. Rau lub koob yees duab sensor, ntau- txheej txheej luam tawm Circuit Board kom ntseeg tau siab - nrawm thiab qis- suab nrov xa cov duab teeb liab los ntawm cov kab tsim nyog, thiab muab cov ntaub ntawv pom tseeb thiab raug rau nws pib tsav tsheb.
Domain maub los: Nrog rau kev txhim kho ntawm kev tsav tsheb tsis muaj zog ntawm L3 thiab qib siab dua, cov tswj hwm yuav tsum tau sib koom ua ke ntau lub sensor cuam tshuam los ua cov ntaub ntawv loj, ua rau muaj kev sib tw ntau dua rau qhov loj, thaiv qhov ntom ntom, thiab kev ua haujlwm ntawm cov ntawv luam tawm Circuit Board boards. Lub multi- txheej luam tawm Circuit Board board txais HDI + Ay txheej hybrid tshuab kom ua tiav 0.1 hli micro qhov kev sib txuas, uas ua rau kom cov xov hlau ceev 30% hauv thaj tsam txwv thiab txhawb nqa cov ntaub ntawv dhau los ntawm kev xav tau ntawm ntau-sensor fusion. Piv txwv li, cov ntawv luam tawm Circuit Board loj ntawm L3 qib thiab siab dua autonomous tsav domain controllers feem ntau tshaj 600mm × 400mm. Los ntawm kev tsim kho kom zoo, ntau- txheej txheej luam ntawv Circuit Court boards tsis tsuas yog ua tau raws li qhov yuav tsum tau muaj ntawm qhov loj, tab sis kuj xyuas kom meej tias ntau yam kev ua haujlwm ua haujlwm ua ke kom ua tiav qhov kev txiav txim siab thiab kev tswj hwm ntawm kev tsav tsheb.
3, Kev ruaj ntseg system
Hauv cov txheej txheem kev nyab xeeb tseem ceeb xws li lub tshuab airbag, lub kaw lus tiv thaiv lub kaw lus, thiab kev tswj xyuas hluav taws xob ruaj ntseg hauv cov tsheb tshiab, ntau - txheej txheej luam tawm Circuit Board boards ris lub luag haujlwm ntawm kev xa xov nrawm thiab raug. Siv lub airbag system ua piv txwv, ntau- txheej luam tawm Circuit Board boards txuas kev sib tsoo sensors thiab airbag controllers. Thaum lub tsheb sib tsoo, lub teeb liab sib tsoo tuaj yeem xa mus rau tus tswj hwm hauv lub sijhawm luv luv, ua rau lub airbag kom sai sai thiab muab kev tiv thaiv tseem ceeb rau cov neeg tsav tsheb thiab cov neeg caij tsheb. Nyob rau hauv ABS thiab ESC systems, multi- txheej luam tawm Circuit Board boards xyuas kom meej tias cov teeb liab los ntawm lub log ceev sensors, siab sensors, thiab lwm yam sensors raug xa mus rau lub chaw tswj raws sij hawm. Raws li qhov no, lub chaw tswj xyuas kom raug kho lub siab nres kom tiv thaiv lub log xauv, tswj lub tsheb ruaj khov, thiab ua kom muaj kev nyab xeeb ntawm kev tsav tsheb thaum muaj xwm txheej ceev. Multilayer printed Circuit Board boards, nrog rau lawv zoo heev mechanical zog thiab hluav taws xob kev ua tau zoo, muaj peev xwm tuav ruaj khov kev ua hauj lwm nyob rau hauv hnyav ib puag ncig xws li kev co thiab tej yam thaum lub sij hawm lub tsheb ua hauj lwm, kom ntseeg tau tias kev ua hauj lwm ntawm kev ruaj ntseg systems.