Kwishishini leemoto, umgangatho wamacandelo e-elektroniki uchaphazela ngokuthe ngqo ukusebenza kunye nokhuseleko lwemoto, apho iPCB yenye yezinto eziphambili. Ngoko ke, kubaluleke kakhulu ukukhetha umthengisi webhodi ye-automotive electronics PCB. Ke, unokukhetha njani umthengisi webhodi yePCB yeemoto zombane? Namhlanje ndiza kukunika isingeniso esicacileyo sokuqinisekisa ukuzinza kwekhonkco lokubonelela kunye nomgangatho ophezulu weemveliso.

一． Qonda iimfuno ezikhethekileyo zePCB yemoto yombane

1. Ukuthembeka: IiPCB ze-Automotive electronic kufuneka ziqhube ixesha elide ngaphandle kokusilela.

2. Impembelelo yokusingqongileyo: Kufuneka ihambelane neemeko ezifana namaqondo obushushu aphezulu naphantsi, utshintsho olukhulu lokufuma, kunye nokungcangcazela.

3. Ukuthobela imigangatho yoshishino: njenge-ISO 26262 (umgangatho wamazwe ngamazwe weenkqubo ze-elektroniki ezinxulumene nokhuseleko lweemoto), i-IPC-A-600 kunye ne-IPC-6012 (imigangatho yokwenziwa kwePCB kunye nokwamkelwa).

二、Vavanya ubuchule bobugcisa namava ababoneleli

1. Iziqinisekiso zobuchwephesha: Ingaba umniki-nkonzo unezatifikethi ezifanelekileyo zenkqubo yolawulo lomgangatho, njenge-ISO 9001, i-IATF 16949 (inkqubo yolawulo lomgangatho kushishino lweemoto).

2. Amandla obugcisa: Uphando lomboneleli kunye nezakhono zophuhliso kwiinkalo zobuchwepheshe be-PCB eziphambili ezifana ne-frequency ephezulu kunye nokuhanjiswa kwesignali yesantya esiphezulu.

3. Iinkonzo ezenziwe ngokwezifiso: Ingaba izisombululo zePCB ezilungiselelweyo zinokubonelelwa ngokweemfuno ezikhethekileyo ze-automotive electronics.

三、Vavanya uzinzo lwekhonkco lonikezelo kunye nokungafihli

1. Umthombo wemathiriyeli ekrwada: Ababoneleli abagqwesileyo baya kusebenzisa izinto ezikumgangatho ophezulu kwaye babonelele elubala kumthombo wemathiriyeli.

2. Umthamo wokuvelisa: Qonda izibonelelo zemveliso yomthengisi kunye nemigca yokuvelisa ukuze ubone ukuba kukho umthamo owaneleyo wokuvelisa ukuhlangabezana neemfuno zakho.

3. Ukukwazi ukuphendula kwiimeko ezingxamisekileyo: Xa kukho ukuphazamiseka kokubonelela, ngaba umthengisi unesicwangciso esiphuthumayo sokuqinisekisa ukuba imveliso ayichaphazeleki?

四、Hlola inkqubo yolawulo lomgangatho womboneleli

1. Iindlela zokuhlola umgangatho: Ababoneleli kufuneka babe nezixhobo ezipheleleyo zokuvavanya kunye neendlela, ezifana nokuhlolwa kwe-X-ray, ukuhlolwa kwe-optical ngokuzenzekelayo (AOI), njl.

2. Inkqubo yokulandelela: Ababoneleli be-PCB abakumgangatho ophezulu baya kuba nenkqubo epheleleyo yokulandelela imveliso enokulandelela imveliso kunye nokuhlolwa kwembali ye-PCB nganye.

3. Ingxelo yoMthengi: Ukuqonda ingxelo ekhoyo yomxhasi, ngakumbi ingxelo yabathengi enxulumene nemoto, inokubonelela ngolwazi olubalulekileyo lwereferensi.

Xa ukhetha umthengisi webhodi yebhodi ye-elektroniki ye-PCB, kufuneka uqwalasele ngokubanzi izinto ezininzi. Ngolu hlalutyo lungentla, unokuqale uvavanye abaniki-nkonzo abanamava kushishino, ubunakho obuqinileyo bobugcisa, umgangatho othembekileyo kunye nenkonzo enolwazelelelo, kuthathelwa ingqalelo ukuzinza kwentsebenziswano yexesha elide. , kucetyiswa ukuseka ubudlelwane bentsebenziswano bexesha elide kunye nozinzile kunye nabanikezeli ukuze bahlangabezane ngokudibeneyo nemingeni enokwenzeka kwixesha elizayo kwishishini leemoto.

Iimfuno zebhodi ye-PCB ye-Automotive electronic

Ngophuhliso olukhawulezayo lwetekhnoloji ye-automotive electronics, iPCB iya isetyenziswa kakhulu

kwi-elektroniki yeemoto. Ukusuka kwiinkqubo zokulawula injini ukuya kwiinkqubo ze-airbag ukuya kwiinkqubo zokuncedisa ukuqhuba, umgangatho kunye nokusebenza kweebhodi zePCB zichaphazela ngqo ukhuseleko lwemoto. Imigangatho engqongqo kunye neemfuno kufuneka zilandelwe xa ulungiselela iibhodi zePCB ze-automotive electronic. Ngoko, makhe sijonge. Qonda iimfuno zokwenza ngokwezifiso zeebhodi zePCB ze-elektroniki zemoto.

1. Ukukhetha izinto eziphathekayo

Ukukhethwa kwezinto eziziibhodi zePCB zemoto kubaluleke kakhulu. Inokusebenza ngokuzinzileyo phantsi kweemeko ezigqithisileyo zokusingqongileyo. Ubushushu obuphezulu, ubushushu obuphantsi, ukufuma, ukungcangcazela kunye nongcoliseko zizinto zonke ekufuneka ziqwalaselwe. Izixhobo zebhodi ze-PCB ezisetyenziswa ngokuqhelekileyo ziquka i-FR-4, i-PTFE (i-polymer) i-Tetrafluoroethylene) kunye nezixhobo ezisekelwe kwisinyithi, njl., Inokubonelela ngamandla omatshini okwaneleyo kunye nokuzinza kwe-thermal.

2. Iinkcukacha zoyilo

Xa ulungiselela iibhodi zePCB zemoto zombane, iinkcukacha zoyilo zibaluleke kakhulu. Ngokuqhelekileyo bagubungele ubukhulu bebhodi, inani leeleya, ubukhulu befoyile yobhedu, ubungakanani kunye nezithuba zeepads, ububanzi bomgca / isithuba somgca, njl. KwiiPCB zeemoto, ingqwalasela ekhethekileyo iyafuneka. Uyilo loluhlu lwamandla alo luqinisekisa ukuzinza kunye nokusabalalisa okufanayo kwangoku.

3. Ulawulo lobushushu

Ngenxa yeempawu zobushushu obuphezulu bokusingqongileyo kweemoto, ulawulo lwe-thermal luye lwaba yingqwalasela ebalulekileyo xa kuyilwa iibhodi ze-PCB ze-elektroniki zemoto. Uyilo olufanelekileyo lwe-thermal alukwazi ukuqinisekisa kuphela ukusebenza okuzinzile kwamacandelo e-elektroniki, kodwa nokwandisa ubomi benkonzo yemveliso. Iindlela eziqhelekileyo zolawulo lwe-thermal ziquka ukusebenzisa izinto ze-substrate ezine-conductivity efanelekileyo ye-thermal, ukuyila iindlela ezisebenzayo zokuqhuba ukushisa, kunye nokongeza ii-radiator okanye iipayipi zokushisa.

4. Ukusebenza kombane

Iibhodi zePCB zemoto kufuneka zibeneempawu ezibalaseleyo zombane, kubandakanywa ukomelela okwaneleyo kwe-dielectric, ukuxhathisa okulungileyo kokugquma kunye ne-anti-electromagnetic interference (EMI), ingakumbi kwiinkqubo zokhuseleko kunye nokulawula iimoto. Naluphi na uhlobo lokusilela kombane lunokubangela iziphumo ezibi.

5. Uvavanyo kunye nesiqinisekiso

Zonke iibhodi zePCB zemoto ezilungiselelweyo zombane kufuneka zidlule kuvavanyo olungqongqo kunye nenkqubo yoqinisekiso lokuqinisekisa ukusebenza kwazo kunye nokhuseleko kwizicelo ezizizo. Olu vavanyo lunokubandakanya uvavanyo lombane, uvavanyo lokufaneleka kokusingqongileyo, ukuqinisekiswa okusebenzayo, njl. njl., kwaye kufuneka kwakhona luhambelane ne-IATF 16949, ISO 9001 kunye neminye imigangatho yenkqubo yolawulo lomgangatho wamazwe ngamazwe.

6. Ukuthembeka kunye nokuqina

Ukuthembeka kunye nokuqina kweebhodi zePCB zemoto zizalathisi eziphambili zokulinganisa ukusebenza kwazo. Izinto ezikumgangatho ophezulu kunye neenkqubo eziphambili kufuneka zisetyenziswe kuyilo kunye nenkqubo yokuvelisa ukuqinisekisa ukuba ibhodi yePCB inokuqhubeka nokusebenza kuwo wonke umjikelo wobomi bemoto, ngakumbi ngexesha Xa ujongene neendlela ezinzima kunye neemeko zemozulu.

7. Ubuhlobo bendalo

Njengoko ihlabathi linika ingqwalasela engakumbi ekukhuselweni kwendalo, ishishini leemoto likwakhuthaza ukwenziwa kohlaza kunye nophuhliso oluzinzileyo. Ukuveliswa kweebhodi ze-PCB ze-elektroniki zemoto kufuneka kwakhona kuthathelwe ingqalelo imiba yokusingqongileyo, njengokusebenzisa i-solder engakhokhelwa kunye nezinto ezihambelana nemigangatho yokusingqongileyo efana ne-RoHS kunye ne-REACH.

Ukwenza ngokwezifiso iibhodi zePCB ze-elektroniki yinkqubo entsonkothileyo nengqongqo ebandakanya imiba emininzi yetekhnoloji kunye nemigangatho, ukusuka ekukhethweni kwezinto ukuya kuyilo, ukusuka kulawulo lobushushu ukuya ekusebenzeni kombane, ukuya kwisiqinisekiso sovavanyo kunye nobuhlobo bendalo, lonke ikhonkco kufuneka libe lulawulo oluchanekileyo lokuqinisekisa imveliso yokugqibela. ukusebenza kunye nokhuseleko. Ngokuqhubela phambili kwetekhnoloji kunye nemfuno yentengiso, imigangatho kunye neemfuno zokwenza ngokwezifiso iPCB yeemoto iya kuqhubeka nokuvela ukuze iqhelane notshintsho lwexesha elizayo kushishino lweemoto.