Automotive circuit board wiring mitemo mitemo uye kusarudzwa kwezvinhu

Maitiro emagetsi emotokari anoita kuti mabhodhi edunhu aite basa rekuita mumotokari. Iyo wiring yemapuranga ematunhu haisi chete yakabatana nekushanda kwemagetsi emagetsi, asiwo nekuchengeteka uye kuvimbika kwemotokari. Yakarurama wiring mitemo uye zviyero ndiyo hwaro hwekuita uye kugadzikana kwemotokari yedunhu dhizaini. Nhasi ndinoda kugoverana newe mitemo inokosha uye zviyero zvemotokari yedunhu rebhodhi wiring

一、Basic mitemo yemotokari wedunhu bhodhi wiring:

Modular dhizaini: marongero zvinoenderana neanoshanda mamodule edunhu, uye zvine chekuita nedunhu zvikamu zvinofanirwa kuiswa nenzira yepakati kupfupisa mitsetse yekubatanidza uye kuderedza kupindira.

Simba newaya dzepasi kutanga: Cabling inofanira kutanga yafunga marongerwo emagetsi newaya dzepasi. Iwo anofanirwa kuve akakura zvakakwana kutakura inotarisirwa ikozvino uye kuderedza madonhwe emagetsi uye kukanganiswa kwemagetsi.

Dzivisa zvishwe: Edza kudzivirira kuumba mahombe masaini zvishwe panguva yedhizaini kuti uderedze mwenje wemagetsi uye uvandudze kutendeseka kwechiratidzo.

Mutsara wakasiyana: Pazviratidzo zvekusiyanisa, chengeta mitsetse miviri iri pedyo pamwe chete kuti uderedze kusaenzana kwekusiyana uye kukanganisa kwekunze.

Dzivisa makona akapinza uye makona ekurudyi: Dzivisa 90° makona uye makona akapinza kana wiring. Iyo yakanakisa routing angle ndeye 45 ° kuderedza kuratidzwa uye impedance discontinuities mukufambiswa kwechiratidzo.

Kudzivirirwa kwechiratidzo chekiyi: Pamitsara yechiratidzo, waya dzepasi dzinofanirwa kushandiswa kudzivirira, uye nhamba yevias inofanira kuderedzwa kuderedza chiratidzo chechiratidzo.

Kutendeseka kwechiratidzo: Funga nezvekutendeseka kwechiratidzo paunenge uchiisa waya, dzivirira mitsetse yemasaini inomhanya zvakanyanya, uye chengetedza mapoinzi ebvunzo kana zvichidikanwa.

Thermal dhizaini inotariswa: Kune zvikamu zvine simba repamusoro kana chizvarwa chikuru chekupisa, nzira dzekupisa kupisa dzinofanirwa kutariswa panguva yewaya kuti ive nechokwadi chekupisa kupisa kunoshanda.

二、Mitemo inotevedzwa yemotokari yedunhu bhodhi wiring:

IPC zviyero: Tevedzera yakadhindwa yedhizaini bhodhi dhizaini uye zviyero zvekugadzira zvakaburitswa neInternational Federation of Electronic Industries (IPC).

IATF16949: International quality management system standard muindasitiri yemotokari, kuve nechokwadi chechigadzirwa uye sevhisi mhando mucheni yekugovera.

UL zviyero: kuchengetedza zviyero zvinosanganisira redunhu bhodhi zvinhu uye dhizaini, kunyanya murazvo unodzoreredza zvivakwa.

EMC / EMI zviyero: Electromagnetic kuenderana uye electromagnetic kupindira zviyero zvinovimbisa kuti mota dzemagetsi masisitimu haazokanganisa ekunze uye haana kukanganiswa nekukanganiswa kwekunze.

Tembiricha uye kuchinjika kwezvakatipoteredza: Magadzirirwo emotokari edunhu redhizaini anofanirwa kuita zvinodiwa mukupisa kwakanyanya uye nharaunda dzakaomarara.

Kuvimbika uye kusimba: Iyo wiring dhizaini inofanirwa kuve nechokwadi chekuvimbika uye kusimba kwebhodhi redunhu mukati mehupenyu hwese hwemotokari.

Iyo wiring yemabhodhi ematunhu emotokari ibasa rakaoma uye rakapfava rinoda kutariswa kwakadzama kwezvinhu zvakaita sekuita kwemagetsi, kutonga kwekupisa, kutendeseka kwechiratidzo, uye chengetedzo. Kutevera iyo iri pamusoro peiyo wiring mitemo uye zviyero zvinogona kubatsira kuve nechokwadi kugadzirwa kwepamusoro-kushanda, yakakwirira-yakavimbika yemotokari yedunhu mabhodhi ayo anozadzisa zvinoomesesa zvinodiwa neindasitiri yemotokari zvigadzirwa zvemagetsi.

Mune mota dzemagetsi masisitimu, yedunhu bhodhi kusarudzwa kwezvinhu ndiro ibwe repakona rekuona PCB kuita uye kuvimbika. Kusarudzika kwezvinhu kusarudzwa hakungokanganisa izvo zvemuviri uye zvemakemikari zvimiro zvedunhu bhodhi, asi zvakare zvine chekuita nekugadzikana uye kuchengetedzeka kweiyo mota yemagetsi system.

Ngatidzidzei nezvezvinhu zvakakosha mumotokari yedunhu bhodhi sarudzo, kukanganisa kwekusarudzwa kwezvinhu pamotokari dzemagetsi masisitimu, uye yakajairika mota yedunhu reketi yekusarudza zviyero.

三、Zvinhu zvakakosha mumotokari yedunhu bhodhi sarudzo:

Thermal performance: Kupisa kwekupisa uye kupisa kwekuwedzera kweyechinyorwa kunokanganisa zvakananga kuita uye hupenyu hwebhodhi redunhu munzvimbo dzakanyanya tembiricha.

Magetsi emagetsi: kusanganisira dielectric constant, insulation resistance, etc. Aya ma parameter anokanganisa kufambiswa kwechiratidzo chemhando yebhodhi redunhu.

Mechanical properties: senge simba rekusimba, simba rekushanduka-shanduka, nezvimwewo, sarudza kugadzikana kwemuviri uye kusimba kwebhodhi redunhu.

Kukodzera kwezvakatipoteredza: Zvishandiso zvinofanirwa kunge zvichikwanisa kutsungirira hunyoro, kuora kwemakemikari uye kuzununguka munzvimbo iyo motokari inoshanda.

Flame retardancy: Zvemotokari zvedunhu bhodhi zvinhu zvinofanirwa kunge zvine imwe nhanho yekudzoreredza moto kuti usangane nekuchengetedza zvinodiwa.

Mari yehupfumi: Mutengo wezvigadzirwa zvakare chinhu chakakosha kufunga pakusarudza mamodheru kuti ive nechokwadi chekukwikwidza kwemusika kwechigadzirwa.

四, Mhedzisiro yekusarudzwa kwezvinhu pamotokari dzemagetsi masisitimu:

Kuvimbika: Yepamusoro-mhando yedunhu bhodhi zvinhu zvinogona kuvandudza kuvimbika uye kugadzikana kwemotokari dzemagetsi masisitimu.

Chengetedzo: Yakanaka inodzoreredza murazvo zvinhu zvinobatsira kuderedza njodzi dzemoto uye kuve nechokwadi chekuchengetedzwa kwevatyairi.

Durability: Yakanakisa michina zvivakwa uye kuchinjika kwezvakatipoteredza kunovimbisa kusimba kweiyo redunhu bhodhi munzvimbo dzakaoma.

Performance kugadzikana: Zvishandiso zvine yakanakisa magetsi emagetsi zvinovimbisa kugadzikana kwechiratidzo chekufambisa uye kushanda kwenguva refu kwekushanda kwebhodhi redunhu.

Kudzora mutengo: Zvinonzwisisika mutengo wezvinhu unobatsira kudzora mutengo wekugadzira mota uye kuvandudza kukwikwidza kwemusika.

五、Maitiro ekusarudza zvakajairika zvemotokari zvedunhu zvinhu:

Kutevedzera mitemo yepasi rose: Tevedzera zviyero zvepasi rose zvakaita seIPC (Interconnection and Packaging of Electronic Circuits) uye ISO (International Organisation for Standardization).

Tembiricha kuramba: Sarudza zvinhu zvinogona kumira tembiricha yakakwira yekamuri injini yemotokari. Kazhinji, dzinofanirwa kutsungirira tembiricha dzinosvika 105°C kusvika 150°C.

Murazvo unodzoreredza giredhi: Kazhinji inodiwa kuti uwane murazvo unodzora kuita kweUL94V-0 kana kupfuura.

Kupokana kwezvakatipoteredza: Zvishandiso zvinofanirwa kukwanisa kupikisa zvakatipoteredza zvinhu zvakadai sekunyorova, kupfapfaidza munyu, kemikari corrosion, nezvimwewo panguva yekushanda kwemotokari.

Mechanical Strength: Sarudza zvinhu zvine akakwana tensile uye flexural simba kuti umire kushushikana kwemakanika.

Tg poindi (tembiricha yegirazi): Sarudza zvinhu zvine yakakwira Tg poindi kuti ive nechokwadi chakanaka chemuchina zvivakwa uye kugadzikana kwedimensional pakupisa kwakanyanya.

Kusarudzwa kwemotokari yedunhu bhodhi zvinhu isarudzo yakazara inoda kutariswa kwezvinhu zvakawanda uye zviratidzo zvekuita. Nekutevera zviyero zviri pamusoro uye nekutarisa zvinhu zvakakosha, vagadziri vanogona kuve nechokwadi chemhando uye kushanda kwemabhodhi edunhu, nekudaro vachivandudza kuvimbika uye kuchengetedzeka kwemotokari dzemagetsi masisitimu. Naizvozvo, zvakakosha kuwana mugadziri webhodhi redunhu sengeFastlinepcbiyo ine zviwanikwa zvakawanda uye zvakavimbika zvemhando yepamusoro mbizha.