Kuongorora Maindasitiri PCB Mabhodhi uye Mashandisiro Avo

MaPCB ndiwo hwaro hwemagetsi, achipa chimiro chemuchina uye kubatana kwemagetsi uko zvikamu zvinoungana kuita maseketi nemasisitimu anoshanda. Kunyange zvazvo tekinoroji yeruzivo rwekutengeserana nezvishandiso zvevatengi zvichikwezva kutariswa kukuru, maPCB akakoshawo asi asinganyanyi kuoneka anopa simba rekushandisa otomatiki mumaindasitiri, zvivakwa zvesimba, kutakurwa, ndege , dziviriro, zvishandiso nezvimwe zvinhu zvakakosha.

Ruggedness, yakawedzera kushivirira tembiricha, kupindira kusadzivirirwa, hunyanzvi mafomu-zvinhu, kuvharirwa kwezvakatipoteredza, uye kuvimbika kunodarika zvakajairwa zvekutengesa zvinoita kuti mabhodhi aya akwane kuendeswa kune anodiwa akaiswa marongero akazara nekudedera, zvinosvibisa, hunyoro, uye magetsi ruzha. Iri bepa rinoongorora zvakajairika maindasitiri PCB kunyorera, kugona kunodiwa kune mainjiniya mabhodhi anorarama makore asina kukanganiswa 24/7 kushanda mumamiriro ezvinhu akaipa, uye chikamu chekusarudza nzira inotungamira vanogadzira. Kunzwisisa mune iyi yakakosha dura mukati memagetsi anobatsira kusarudza vakakwana vadyidzani vekugadzira akagadziridzwa mabhodhi musangano application lifecycle mikuru.

Kutsanangura Industrial PCBs

Maindasitiri akadhindwa edunhu mabhodhi anowanzo kuve nekumwe kusanganiswa kweanotevera mutsauko maitiro kugadzira ekutengeserana giredhi mabhodhi asina kukodzera kuisirwa kuiswa:

Kuomesa Kwezvakatipoteredza: Kudzivirirwa kubva kuhunyoro, makemikari/zvimedu zvinobuda mumhepo kana mumhepo, kushanduka kwekupisa, uye kuvhunduka/kudedera kwemuchina kuburikidza ne conformal coating s, mapombi, kuvhara, uye kusimbisa.

Kureba Kwekupisa: Kushanda kuri pakati pe -40°C kusvika +85°C kana kupfuura panzvimbo pe 0-70°C nzvimbo yekutengeserana kunobvumira kuisa mabhodhi munzvimbo dzisina kugadzikana nekuda kwekuchinja kwemamiriro ekunze uye kuunganidzwa kwekupisa mukati. Kureba kwakakura kunobvumidza kubviswa kwemazinga emauto/emuchadenga.

Kuomesa: Kudzivirira, mapuraneti epasi, kubatanidza mafirita uye nzira dzekuronga dzakanyatsonaka zvinovandudza dziviriro yeruzha uye kudzora kuburitswa kwemhepo yemagetsi inoshanda pakati pekukanganiswa kukuru kubva kumamota, mabatiro, macontactor, mapombi, nemimwe michina yeindasitiri iri pedyo. Kuomesa kunodzivirira kubatwa kunobatsira kuvimbika kwechiratidzo.

Zvitupa Zvekuchengetedza: Chitupa sekureva kweIEC 62368 chinovimbisa kushanda zvakanaka uye kudzivirira njodzi dzemagetsi akaiswa munzvimbo dzine njodzi dzemaindasitiri nenzvimbo dzinoputika. Kuedzwa kwakasarudzika kunosimbisa matekiniki ekuvaka.

Nguva Yehupenyu Yakavimbika: Kusarudzwa kwezvikamu, kubviswa kwekuongorora, kuyedzwa kwekufamba, kuongororwa kwekupiswa mukati uye kugadzirwa kwekugadzira zvinhu kunoitirwa makore 25-30 ehupenyu kupfuura zvaitarisirwa nemakambani.

Kunyange zvakangofanana nemaPCB emazuva ese evatengi pakuongorora, huinjiniya uye kusimbisa mabhodhi ane rugged anosangana neaya maitiro ekupona kunoda hunyanzvi hwekugadzira ruzivo uye hunyanzvi hwekugadzira pakupedzisira kuona kuti masisitimu anobudirira here kana kuti anokundikana nguva isati yakwana mumunda.

Zvakajairwa Zvishandiso zveMaindasitiri PCBs

Iko kudikanwa kwemagetsi akagadzirwa kuti akwanise kumirisana nehutsinye ambient mamiriro ekushanda anouya kubva kumashandisirwo akaita se:

Industrial Automation: PLCs, sensors, motor drives, HMIs, I / O modules uye zvivakwa zvekutaurirana zvinoiswa zvakananga mumichina inorema pafekitori pasi nemarara, vibration, mwando uye nhete tembiricha miganho inogara ichichinja.

Nzvimbo yeSmart Grid: Ma solar inverters akabatana negrid , masisitimu ekuchengetera simba remabhatiri, nzvimbo dzekuchaja dzemagetsi nemidziyo yemagetsi zvinogara kwemakore akawanda zvichishandiswa panze pasina anotarisisa pamucheto wenetwork mumamiriro akasiyana-siyana asina chokwadi.

Zvokufambisa: Zviratidzo zvechitima, zvinodzora pamotokari, mishoni-yakakosha avionics subsystems uye injini manejimendi zvemagetsi ruzivo rwekuratidzwa kwenguva refu kune kukanganiswa kweruzha rwemagetsi, unyoro uye kudedera.

Energy Infrastructure: Maturusi ekuchera maturusi emafuta / gasi kuchera anotumira sensor telemetry kubva pakadzika inopfuura 5 makiromita munzvimbo 150 ° C+. Midziyo yekugadzira magetsi inoshingirira zvakanyanya. Migodhi yemagetsi inoona zvinoodza.

Defence Systems: Missile kutungamira, ordnance fusing zvemagetsi, zvidzoreso zvemotokari uye masisitimu ekutaurirana zvinoisa nharaunda dzakaomarara kupfuura giredhi rekutengesa kuchengetedza rusununguko.

Muedzo & Measurement Equipment: Spectrum analyzers, multimeters, oscilloscopes uye zvesainzi zviridzwa ruzivo rwekubata kwevanhu pamwe chete nemagetsi nemakanika kushushikana panguva yekufambisa / kushanda.

Kudikanwa kwekuomesa zvemagetsi zvichipesana nenzvimbo chaidzo dzekutumirwa dzinowanzosangana “kunze kwerabhoritari” kunokwira kumaindasitiri uko kuenderera mberi kunoratidza kuti kwakakosha pane zviri nyore kana kuchengetedza mutengo. Isu tinozoongorora nzira dzakajairika dzekuvandudza PCB ruggedness.

Dhizaini Tekinoroji Kuvandudza Industrial PCB Kusimba

 Nepo mazano anotarisa pane dhizaini-ye-zvakatipoteredza maitiro achitora yakanyatsodzorwa kuungana uye maitiro emhando, kubatirana pakati pevagadziri veOEM uye vakasarudzwa vanogadzira vadyidzani kutanga panguva yebudiriro kunosimbisa kuzadzikisa zvinangwa zvekuvimbika mumunda kuburikidza nekuenderana kweDFX.

Thermal Design Verification

Kusimbisa nzira dzekufemesa dzakakwana uye kugona kubvisa kupisa kunodzivirira zvikamu zvinodarika tembiricha yejunction inokonzeresa kukurumidza kana kuunganidzwa kuderera. Kupfuura kuderedzwa kwemagetsi, kuenzanisa kwekupisa, prototyping uye kuyedzwa kunosimbisa kugona nekuyera tembiricha inokwira pasi pemutoro kudzivirira kutadza kusingaonekwe nzira dzekutiza dhizaini ongororo.

Conformal Dziviriro Coatings

Pfaya machira senge ma acrylics kana silicones anoiswa zvakasarudzwa pamabhodhi akaungana anovhara masikirwo akajeka uye zvikamu pasina kutadzisa kufefetera kana chinongedzo chekubatanidza. Nekudzivirira magasi emuchadenga/unyoro kuti usasvike kumatunhu ari kukurumidza kubatwa nemagetsi/magetsi, machira anopa 30-50 micron insulation layers anovandudza kusvibiswa kwekudzivirira uye kusadzivirirwa zvakanyanya. Periodic inspection inovimbisa coating kuenderera.

Vibration Isolation Mounts

Kuvhundutsa-inobata rabha, elastomer kana chitubu standoffs kuchengetedza PCB kune chassis zvimiro zvinotora kinetic simba rinokonzerwa nekudedera kwemidziyo kana kunakidzwa kwezvakatipoteredza kuchengetedza majoini ekutengesa uye nzira kubva mukutadza kwekuneta kune chekuita nekutadza uye nekusangana kunosangana.

Potting Compounds

Encapsulation mune yakasimba inodzivirira midhiya senge epoxy, silicone kana polyurethanes inorinda mabhodhi ese magungano kana kufefetera kunoratidza kusakosha. Nekubvisa kusangana kwemhepo uye huremu hwekuchengetedza zvinhu, potting inopa yekupedzisira chengetedzo kubva kune inosvibisa ingress uye nekukurumidza kumanikidza kunyange kugonesa kutumirwa kwepasi pemvura. Tradeoffs inosanganisira kuomerwa kwesevhisi kunofanirwa kushanda patsva.

Conformal Shielding

Kusarudzika kushandiswa kweanoita simbi akaturikidzana pane akakosha epamusoro ekumusoro zvikamu zvinopa EM yekuzviparadzanisa nevamwe kudzivirira kurasika kupindira pickup. Kuenderera mberi kwekugadzika kunofanirwa kutanga nekudzivirira kudzivirira antenna mhedzisiro. Matekiniki anotangira kubva ku clip-pamakeji kuenda kune yakasarudzika conductive kugovera pamusoro peICs.

Rugged Connectors

Isingapindi mvura, inodzivirira guruva, yakabaiwa uye inosimbisa muviri zvinobatanidza zvinotsigira kutsungirira kutsungirira pasina kuora. Redundant mapini, machira ekudzivirira, mashells, EMI grounding uye tambo clamps inodzivirira hunyoro uye ine simba kushushikana kwakabatana kupindirana kushamwaridzana.

Component Level Kuomesa

Mamodule anotakura masekete akaomesesa akabatanidzwa senge mamicrocontrollers, FPGAs, DC/DC anoshandura kana mabhiriji ekubatanidza anosanganisira kusimbaradza kwemukati kurwisa ionizing radiation, magineti, kubuda kwemagetsi uye kupinza kwemagetsi ruzha kugadzira zvivharo zvakasimba zvekutyisidzira kwekunze kwekunze.

Iko kudikanwa uye huwandu hwematanho ekuomesera hunoenderana zvakanyanya nekwakagadzirirwa nzvimbo dzekutumira uye hupenyu hunotarisirwa. Overengineering inoisa panjodzi mitengo isingakodzeri uku kuita huinjiniya kuchikanganisa kutadza kwemunda nguva isati yakwana. Kudyidzana kweDFX nevashandisi vane ruzivo rwekugadzira maindasitiri kunotungamira kosi yepakati yakangwara.

Yakavimbika Chikamu Sarudzo Mamiriro

Sarudzo dzezvikamu zvinokanganisa zvakanyanya zvinokonzeresa mararamiro ehurongwa, kushivirira uye zvidikanwi zvekugadzirisa zvakapihwa iyo yakavhurika-mhepo yekushanda mamiriro anowanzo kusangana. Maitiro ekusarudza akajairika anosanganisira:

Manufacturer Qualification

Paunenge uchigadzira akadhindwa edunhu mabhodhi emishini-yakakosha maindasitiri maapplication, kusarudzwa kwevatengesi kwakakosha. Kufarirwa kunofanirwa kupihwa kune vagadziri vane rekodhi rekodhi rekodhi yekuunza yakakwirira-yakavimbika mhinduro kwemakore mazhinji. Vatengesi vakaratidzwa mumunda vanoratidza kuenderera kwakasimba kwekugovera uye kutonga kunodiwa kuderedza njodzi.

Yakasimba sampling uye zvirongwa zvekukodzera shuwa kuti zvinhu zvese zvinosangana nezvinodiwa kudzivirira manyepo kana mhando dzemhando. Yakawedzera kuvimbika kuyedzwa inosimbisa dhizaini inomira inodiwa yekushanda nharaunda. Kune akanyanya kusimba masisitimu anosimbisa akakosha masisitimu, vanongoratidzwa maindasitiri PCB vatengesi vane kuzvipira kune mhando pamusoro pevamwe vese vanofanirwa kutariswa.

Yakaipisisa-Nyaya Ratings

MIL-spec yekuongorora yekutadza kwekutanga yakasanganiswa neyakaderedzwa voltage, yekudziya uye yebasa kutenderera mabhendi evarindi inovandudza mukana wekupona uko maparamendi anochinja panguva yekutambudzika kwemamiriro ekushanda.

Endurance Testing

Yakanyanya kukurumidza kuyedza hupenyu hwese (HALT) inofumura masampula echikamu kune yakanyanyisa tembiricha, vibration, voltage uye humidity mamiriro anonongedza miganho yesimba inodarika data sheet rondedzero uye kuburitsa zvinobatika isati yatumirwa.

FMCA

Mafungiro ekuchengetedza kuburikidza nekukundikana modhi, mhedzisiro uye kuongororwa kwekutsoropodza pane schematics inosimbisa nzvimbo dzisina njodzi dzinotungamira redundancy uye yekutarisa zvigadziro kana proactive kutsiva kuita zvine musoro pamusoro pekutadza kunoshanda.

Kunyange zvichidhura uye nguva yekutungamira zvakanyanya, maitiro aya anopa mubairo vagadziri uye maOEM ekuisa zvemagetsi munzvimbo dzisingafungidzike dzine kuvimbika kwemunda kwakagadziridzwa kwakakosha uko masevhisi anoratidza kudhura zvakanyanya. Staunch verification inopfuura kuvimba neindasitiri-giredhi tarisiro.

kugumisa

Mukupesana nevatengi vemagetsi vanoisa pamberi-yakaderera-mutengo uye nyore pamusoro pehupenyu hurefu, maPCB eindasitiri anorayira dhizaini yakaoma uye maitiro ekugadzira kugutsa chaiko kuvimbika zvinodiwa. Izvi zvinoita kuti masisitimu akakosha arambe achishanda zvizere zvisinei nemamiriro ezvinhu emunda asingatarisike. Kuvaka hukama hwenguva refu pakati pevagadziri nevatengi zvakare inorima yakakosha domain hunyanzvi nekufamba kwenguva.

Panzvimbo pekutsvaga purofiti yenguva pfupi, kutarisa dhizaini yenharaunda, modularity, uye hupenyu hwesevhisi hurefu zvinopa kuzadzikiswa kwakanyanya kwechinangwa. Kuvimbika kwechokwadi kunobva pakuvaka kwakasimba kunokwanisa kukurira zvisingatarisike kushanda chaiko. Maindasitiri ePCB vatengesi vanopa mhinduro dzakagadzirirwa vanoratidza kuzvipira kwakakosha kune kugona pachiyero. Ongororo iyi ine chinangwa chekuvhenekera maitiro akanakisa einjiniya emagetsi akakosha kune zvivakwa zvinofanirwa kuita pasina kukanganisa.