Umkhwa we-automotive electronics wenza ukuba iibhodi zeesekethe zidlale indima ebalulekileyo kwiimoto. I-wiring yeebhodi zeesekethe azihambelani kuphela nokusebenza kweenkqubo zombane, kodwa kunye nokhuseleko kunye nokuthembeka kweemoto. Imithetho ye-wiring echanekileyo kunye nemigangatho isisiseko soyilo olusebenzayo kunye noluzinzileyo lwesekethe yeemoto. Namhlanje ndingathanda ukwabelana nawe ngemithetho eyisiseko kunye nemigangatho ye-automotive circuit board wiring

一、Imithetho esisiseko yocingo lwebhodi yesekethe yemoto:

Uyilo lweModyuli: Uyilo ngokweemodyuli ezisebenzayo zesekethe, kunye neengxenye zesekethe ezinxulumene nazo kufuneka zibekwe ngendlela ephakathi ukuze unciphise imigca yokudibanisa kunye nokunciphisa ukuphazamiseka.

Amandla kunye neengcingo zomhlaba kuqala: I-Cabling kufuneka kuqala ithathele ingqalelo uyilo lwamandla kunye neengcingo zomhlaba. Kufuneka zibe banzi ngokwaneleyo ukuze zithwale ikhoyo ngoku kwaye zinciphise ukuhla kwamandla ombane kunye nokuphazamiseka kwe-electromagnetic.

Zithintele iilophu: Zama ukunqanda ukwenza iilophu ezinkulu zemiqondiso ngexesha loyilo ukunciphisa imitha ye-electromagnetic kunye nokuphucula imfezeko yomqondiso.

Uluhlu oluhlukeneyo: Ngeempawu ezihlukeneyo, gcina imikhondo emibini ngokusondeleyo ukunciphisa ukungalingani kunye nokuphazamiseka kwangaphandle.

Gwema ii-engile ezibukhali kunye nee-engile ezichanekileyo: Gwema ii-angles ezingama-90 kunye nee-engile ezibukhali xa udibanisa. Eyona ndlela ilungileyo yokuhambisa i-engile yi-45 ° ukunciphisa ukubonakaliswa kunye nokuyeka ukunyanzeliswa kukuhanjiswa komqondiso.

Ukukhuselwa komqondiso obalulekileyo: Kwimigca yeempawu eziphambili, iingcingo zomhlaba kufuneka zisetyenziswe ukukhusela, kunye nenani le-vias kufuneka lincitshiswe ukunciphisa ukutshatyalaliswa komqondiso.

Umgangatho womqondiso: Qwalasela imfezeko yomqondiso xa ufaka iintambo, uphephe imigca yesignali emide kakhulu enesantya esiphezulu, kwaye ugcine amanqaku ovavanyo ukuba kuyimfuneko.

Iingqwalasela zoyilo lwe-Thermal: Kumacandelo anamandla aphezulu okanye ukuvelisa ubushushu obukhulu, iindlela zokutshatyalaliswa kobushushu kufuneka ziqwalaselwe ngexesha lokudibanisa ukuqinisekisa ukutshatyalaliswa kobushushu obusebenzayo.

二、 Imigangatho elandelwayo yocingo lwebhodi yesekethe yemoto:

Imigangatho ye-IPC: Landela uyilo lwebhodi yesekethe eprintiweyo kunye nemigangatho yokuvelisa ekhutshwe yi-International Federation of Electronic Industries (IPC).

I-IATF16949: Umgangatho wenkqubo yolawulo lomgangatho wamazwe ngamazwe kwishishini leemoto, eqinisekisa imveliso kunye nomgangatho wenkonzo kwikhonkco lokubonelela.

Imigangatho ye-UL: imigangatho yokhuseleko ebandakanya izixhobo zebhodi yesekethe kunye nokuyila, ngokukodwa iipropati ze-flame retardant.

Imigangatho ye-EMC / EMI: Ukuhambelana kwe-electromagnetic kunye nemigangatho yokuphazamiseka kwe-electromagnetic iqinisekisa ukuba iinkqubo zombane zemoto aziyi kuphazamisa ihlabathi langaphandle kwaye azichatshazelwa kukuphazamiseka kwangaphandle.

Iqondo lobushushu kunye nokuguquguquka kokusingqongileyo: Uyilo lwebhodi yesekethe yeemoto kufuneka luhlangabezane neemfuno zokusebenza kumaqondo obushushu agqithisileyo kunye neemeko ezinzima.

Ukuthembeka kunye nokuqina: Uyilo lwe-wiring kufuneka luqinisekise ukuthembeka kunye nokuqina kwebhodi yesiphaluka kumjikelezo wobomi besithuthi.

I-wiring yeebhodi zeesekethe zeemoto ngumsebenzi onzima kunye nobuthathaka ofuna ukuqwalaselwa ngokubanzi kwezinto ezifana nokusebenza kombane, ulawulo lwe-thermal, imfezeko yomqondiso kunye nokhuseleko. Ukulandela le migaqo yocingo kunye nemigangatho ingentla inokunceda ekuqinisekiseni ukuveliswa kokusebenza okuphezulu, ukuthembeka okuphezulu kweebhodi zeesekethe zeemoto ezihlangabezana neemfuno ezingqongqo zoshishino lweemoto kwiimveliso zombane.

Kwiinkqubo ze-elektroniki zemoto, ukukhethwa kwezinto zebhodi yesekethe lilitye lembombo lokuqinisekisa ukusebenza kwe-PCB kunye nokuthembeka. Ukukhethwa kwezinto ezichanekileyo akuchaphazeli kuphela iipropati ezibonakalayo kunye neekhemikhali zebhodi yesekethe, kodwa ihambelana ngokuthe ngqo nokuzinza kunye nokhuseleko lwenkqubo ye-elektroniki yemoto.

Masifunde malunga nezinto eziphambili ekukhetheni izixhobo zebhodi yesekethe yemoto, impembelelo yokukhethwa kwezinto kwiisistim zombane zemoto, kunye nemigangatho yokukhetha imathiriyeli yesekethe yemoto ngokubanzi.

三、 Izinto eziphambili ekukhetheni izixhobo zebhodi yesekethe yemoto:

Ukusebenza kwe-Thermal: Ukumelana nokushisa kunye nokwandiswa kwe-thermal coefficient yezinto ezichaphazela ngokuthe ngqo ukusebenza kunye nobomi bebhodi yesiphaluka kwiindawo eziphezulu zokushisa.

Iimpawu zombane: kuquka i-dielectric constant, resistance resistance, njl. Ezi parameters zichaphazela umgangatho wokuhanjiswa komqondiso webhodi yesekethe.

Iimpawu zeMechanical: njengamandla okuqina, amandla okuguquguquka, njl., Ukumisela ukuzinza komzimba kunye nokuqina kwebhodi yesekethe.

Ukufaneleka kokusingqongileyo: Izixhobo kufuneka zikwazi ukumelana nokufuma, ukubola kweekhemikhali kunye nokungcangcazela kwindawo esisebenza kuyo isithuthi.

Ukubuyiswa komlilo: Izixhobo zebhodi yesekethe yeemoto kufuneka zibe nenqanaba elithile le-flame retardancy ukuhlangabezana neemfuno zokhuseleko.

Iindleko zezoqoqosho: Ixabiso lezinto eziphathekayo liyinto ebalulekileyo ekufuneka iqwalaselwe xa ukhetha iimodeli zokuqinisekisa ukukhuphisana kwemarike yemveliso.

四, Impembelelo yokukhethwa kwezinto kwiinkqubo zombane zemoto:

Ukuthembeka: Izinto eziphezulu zebhodi yesekethe zinokuphucula ukuthembeka kunye nokuzinza kweenkqubo zombane zemoto.

Ukhuseleko: Iipropathi ezilungileyo zokunqanda amadangatye zinceda ukunciphisa umngcipheko womlilo kwaye ziqinisekise ukhuseleko lwabakhweli.

Ukuqina: Iipropati ezigqwesileyo zomatshini kunye nokuguquguquka kokusingqongileyo kuqinisekisa ukuqina kwebhodi yesekethe kwiindawo ezinzima.

Ukuzinza kokusebenza: Izinto eziphathekayo ezinezixhobo ezibalaseleyo zombane ziqinisekisa ukuzinza kokuhanjiswa komqondiso kunye nokusebenza kwexesha elide lebhodi yesiphaluka.

Ulawulo lweendleko: Iindleko zemathiriyeli ezifanelekileyo zinceda ukulawula iindleko zokwenziwa kwezithuthi kunye nokuphucula ukukhuphisana kwemarike.

五、 Imigangatho yokukhetha izixhobo zesekethe yemoto ngokubanzi:

Ukuthotyelwa kwemigangatho yamazwe ngamazwe: Landela imigangatho yezizwe ngezizwe efana ne-IPC (I-Interconnection and Packaging of Electronic Circuits) kunye ne-ISO (International Organization for Standardization).

Ukumelana nobushushu: Khetha izinto ezinokumelana nobushushu obuphezulu bendawo yenjini yemoto. Ngokuqhelekileyo, kufuneka zimelane namaqondo obushushu obuncinane obuyi-105°C ukuya kwi-150°C.

Ibanga lokubuyiswa komlilo: Kudla ngokufuneka ukuba ufezekise ukusebenza kwe-UL94V-0 okanye ngaphezulu kwe-flame retardant.

Ukuchasana nokusingqongileyo: Izinto eziphathekayo kufuneka zikwazi ukuxhathisa izinto zokusingqongileyo ezifana nokufuma, ukutshiza ityuwa, ukubola kweekhemikhali, njl. ngexesha lokusebenza kwesithuthi.

Amandla oomatshini: Khetha izixhobo ezinokuqina okwaneleyo kunye namandla athambileyo ukumelana noxinzelelo lomatshini.

Inqaku le-Tg (iqondo lokushisa lokutshintsha kweglasi): Khetha izinto ezinophawu oluphezulu lwe-Tg ukuze uqinisekise iimpawu ezintle zoomatshini kunye nokuzinza komda kumaqondo obushushu aphezulu.

Ukukhethwa kwezixhobo zebhodi yesekethe yemoto sisigqibo esibanzi esifuna ukuqwalaselwa kwezinto ezininzi kunye nezalathi zokusebenza. Ngokulandela le migangatho ingentla kunye nokuqwalasela izinto eziphambili, abavelisi banokuqinisekisa umgangatho kunye nokusebenza kweebhodi zeesekethe, ngaloo ndlela kuphuculwe ukuthembeka kunye nokhuseleko lweenkqubo ze-elektroniki zemoto. Ke ngoko, kubalulekile ukufumana umenzi webhodi yesekethe efanaFastlinepcbenezixhobo ezininzi nezithembekileyo zemathiriyeli ekrwada ekumgangatho ophezulu.