Magetsi amagetsi nthawi zambiri amakumana ndi vuto lofuna kudziwa kuchuluka kwa zigawo za aKapangidwe ka PCB. Kodi ndibwino kugwiritsa ntchito zigawo zina kapena zigawo zochepa? Kodi mumapanga bwanji lingaliro la kuchuluka kwa pcb?
1.Kodi PCB imatanthauza chiyani?
Zigawo za PCB ikunena za zigawo zamkuwa zomwe zachitidwa ndigela. KupatulaMa PCBIzi zimakhala ndi gawo limodzi lamkuwa, ma pcbs onse okhala ndi zigawo ziwiri kapena kupitilira apo amakhala ndi zigawo zingapo. Zigawozi zimagulitsidwa pazakudya zakunja, pomwe zigawo zina zimakhala zolumikizira. Komabe, ma PC ena omaliza amathanso kuphatikiza zigawo zamkati.
Ma PCB amagwiritsidwa ntchito popanga zida zamagetsi zosiyanasiyana zamagetsi ndi makina osiyanasiyana, mongaMagetsi amagetsi,matelefoni, ambospace, asitikali ankhondo, ndi zamankhwala
mafakitale. Kuchuluka kwa zigawo ndi kukula kwa bolodi inayake kumatsimikizira mphamvu ndikukulaza PCB. Pamene kuchuluka kwa zigawo kumawonjezeka, momwemonso magwiridwe antchito.
2.Kodi kudziwa kuchuluka kwa zigawo za PCB?
Mukamasankha kuchuluka koyenera kwa PCB, ndikofunikira kuganizira zabwino zogwiritsa ntchitozigawo zingapomotsutsana ndi zigawo zosakwatiwa kapena ziwiri. Nthawi yomweyo, ndikofunikira kuganizira zabwino zogwiritsa ntchito kapangidwe kake kamodzi kapangidwe ka zinthu zazikuluzikulu. Zinthu izi zitha kuwunikiridwa kuchokera ku malingaliro asanu otsatirawa:
2-1. Kodi PCB imagwiritsidwa ntchito kuti?
Mukamasankha zolemba za PCB, ndikofunikira kuti muganizire makina kapena zida zomwe PCB idzagwiritsidwa ntchito, komanso zofunikira zapadera pazida zotere. Izi zimaphatikizapo kuzindikira ngati bolodi ya PCB idzagwiritsidwa ntchito mwaluso ndipo
Zogulitsa zamagetsi zamagetsi, kapena zinthu zosavuta zokhala ndi magwiridwe antchito.
2-2. Kodi pamafunika kuchuluka kwa PCB?
Nkhani yokhudza kugwiritsa ntchito pafupipafupi kuyenera kuganiziridwa mukamapanga pcb popeza gawo ili limasankha magwiridwe antchito ndi luso la PCB. Pa liwiro lalitali komanso kuthekera kwa ntchito, ma pcbs ambiri ndikofunikira.
2-3. Kodi bajeti ya polojekiti ndi chiyani?
Zina zofunika kuziganizira ndi mtengo wopanga wosakwatiwa
ndi kusanjikiza kawiri pcbs motsutsana ndi ma PCB-osanjikiza. Ngati mukufuna pcb yokhala ndi mwayi wokwera momwe mungathere, mtengo wake umakhala wokwera kwambiri.
Anthu ena amafunsa za ubale wa kuchuluka kwa zigawo za PCB ndi mtengo wake. Nthawi zambiri, zigawo za PCB ili ndi, mtengo wake wapamwamba. Izi ndichifukwa chopanga ndikupangaPCB yambiri yophatikizika imatenga nthawi yayitali motero ndalama zambiri. Tchati chomwe chili pansipa chikuwonetsa mtengo wapakati pa ma pcs angapo ma pcbs atatu opanga pansi pazotsatira zotsatirazi:
Pcb odana: 100;
Kukula kwa PCB: 400mm x 200mm;
Chiwerengero cha zigawo: 2, 4, 6, 8, 10.
Tchati chikuwonetsa mtengo wa ma PCB kuchokera m'makampani atatu osiyana, osaphatikizapo ndalama zotumizira. Mtengo wa PCB ikhoza kuwunikidwa pogwiritsa ntchito masamba a PCB, zomwe zimakulolani kusankha magawo osiyanasiyana monga mtundu wotsutsa, kukula, kuchuluka, ndi kuchuluka kwa zigawo. Tchati ichi chimangokhala lingaliro la PCB kuchokera kwa opanga atatu opanga, ndipo mitengoyo imatha kukhala yosiyanasiyana malinga ndi kuchuluka kwa zigawo. Mtengo wotumizira sunaphatikizidwe. Zolemba bwino zimapezeka pa intaneti, zoperekedwa kuti zithandizire makasitomala amayesa mtengo wa madera ophatikizidwa, kukula, kuchuluka, kuchuluka kwa zigawo, makulidwe, ndi zina.
2-4. Kodi nthawi yotumiza ya PCB ndi iti?
Nthawi yobweretsera ikunena nthawi yomwe imafunikira kuti ipange ndikupereka umodzi / ma pcbs alfil. Mukafuna kupanga ma pcs ambiri,nthawi yoperekeraayenera kuwerengeredwa. Nthawi yoperekera kulera kapena iwiri / ma pcbs imasiyanasiyana ndipo zimatengera kukula kwa malo a PCB. Inde, ngati mukulolera kugwiritsa ntchito ndalama zambiri, nthawi yobereka ikhoza kufupikitsidwa.
2-5. Kodi ndi kalembedwe kake ndi siginecha?
Chiwerengero cha zigawo mu PCB limatengera kaphikidwe ndi zizindikiro. Mwachitsanzo. Ngati kaphikidwe kazinga ndi 0,2 kapena kuchepera, osachepera 10 a PCB amafunikira.
Ma 3. Zovuta za ma pCB zosiyanasiyana - zosanjikizana kapena zosanjikiza / kawiri.
3-1. KOSA KCB
Ntchito yomanga pcb imodzi ndi yosavuta, yopangidwa ndi umodzi wosanjikiza wopanikizika komanso wonyezimira wamagetsi wamba. Choyambira choyamba chimakutidwa ndi mbale yamkuwa, kenako kupewa shuga. Chithunzi cha PCB imodzi chimakhala chikuwonetsa mizere itatu yoyipa kuyimira wosanjikiza ndi zigawo ziwiri zophimba - zofiirira kwa mbale yamkuwa, ndi zobiriwira za wogulitsayo, pokana wogulitsa.
Ubwino:
● Mtengo wopangidwa pang'ono, makamaka popanga magetsi amagetsi, omwe ali ndi phindu lalikulu.
● Msonkhano wa zigawo zikuluzikulu, kubowola, kugulitsira, ndi kuyikako ndizosavuta, komansoNjira Zopangirasangakhale ndi mavuto.
● Wachuma komanso zoyenera kupanga.
● Kusankha koyenera kwa mapangidwe otsika ochepa.
Mapulogalamu:
● Zolemba zowerengera zimagwiritsa ntchito ma pcs amodzi.
● Ma radio, monga otsika mtengo wamawailesi otsika a arradise amalonda, amagwiritsa ntchito ma pcs amodzi.
● Makina a khofi nthawi zambiri amagwiritsa ntchito ma pcs amodzi.
● Zida zina pabanja zimagwiritsa ntchito ma pcs amodzi.
3-2. KOLE WA PCB
PCB yowonjezera iwiri ili ndi zigawo ziwiri zamkuwa ndi wosanjikiza pakati.Zidaamaikidwa mbali zonse ziwiri za bolodi, ndichifukwa chake amatchedwanso PCB iwiri. Amapangidwa ndikulumikiza zigawo ziwiri zamkuwa palimodzi ndi zinthu za diect mkati, ndipo mbali iliyonse ya mkuwa imatha kufalitsa zizindikiro zosiyanasiyana. Ndioyenera kugwiritsa ntchito ntchito zomwe zimafuna kuthamanga kwambiri komanso kovuta.
Zizindikiro zamagetsi zimayendetsedwa pakati pa zigawo ziwiri zamkuwa, ndipo zigawo za sekondale pakati pawo zimathandizira kupewa zikwangwanizo kuti zisasokonezene. PCB yotsitsa kawiri ndi yofala kwambiri komanso yodziwika bwino yopanga.
Ma PCB awiri ali ofanana ndi ma PCB imodzi, koma khalani ndi pakati. Mukamagwiritsa ntchito ma pcbs awiri, osanjikiza dielectic ndi owuma kuposa a PCB imodzi. Kuphatikiza apo, pali kuwonjezeka kwa mkuwa pamtunda ndi pansi pazinthu za dielectric. Kuphatikiza apo, pamwamba ndi pansi pa bolodi yolumikizidwa ndi msirikali pokana wosanjikiza.
Chithunzi cha PCB yotsitsa kawiri nthawi zambiri chimawoneka ngati sangweji yachitatu, yokhala ndi imvi ya imvi pansi, yofiirira pamkuwa kumtunda ndi pansi poimira msirikali kukana.
Ubwino:
● Mapangidwe osinthika amachititsa kuti ikhale yoyenera kwa zida zosiyanasiyana.
● Kapangidwe kakang'ono ka mtengo wotsika mtengo pazomwe zimachitika.
● Mapangidwe osavuta.
● Kukula kochepa koyenera zida zosiyanasiyana.
Mapulogalamu:
Ma PCB awiri ndioyenera mapangidwe osiyanasiyana ophweka komanso ovuta. Zitsanzo za zida zopangidwa ndi ma pcs ophatikizika kawiri ndikuphatikiza:
● Magawo a Hvac, otenthetsera okhala ndi machitidwe ozizira osiyanasiyana amaphatikiza mitundu yosiyanasiyana ya mabwalo osindikizidwa kawiri.
● A Nthawi Yophatikiza, ma pcbs owirikiza kawiri amakhala ndi magawo ambiri ogwiritsa ntchito oimba.
● Oyang'anira, makompyuta osiyanasiyana amadalira ma pcbs owirikiza kawiri.
3-3. Awiri-KCB
PCB ya 4-yosanjikiza ndi bolodi yosindikizidwa ndi zigawo zinayi: pamwamba, zigawo ziwiri zamkati, ndi pansi. Zigawo zonse zamkati ndizomwe zimagwiritsidwa ntchito ngati mphamvu kapena ndege yapansi, pomwe zigawo zapamwamba kwambiri ndi pansi zimagwiritsidwa ntchito poika zigawo ndi zizindikiro zodzikongoletsera.
Zigawo zakunja nthawi zambiri zimakutidwa ndi msirikali kukana ndi mapepala owonekera kuti apereke mfundo zolumikizira zida zoikidwiratu komanso kudzera m'mabowo. Kudutsa mabowo nthawi zambiri kumagwiritsidwa ntchito kupereka kulumikizana pakati pa zigawo zinayi, zomwe zidachitidwa pamodzi kuti apange bolodi.
Apa pali kuwonongeka kwa zigawo izi:
- wosanjikiza 1: pansi osanjikiza, omwe nthawi zambiri amapanga mkuwa. Imakhala ngati maziko a gulu lonse la madera onse, ndikuthandizira zigawo zina.
- wosanjikiza 2: Mphamvu wosanjikiza. Amatchedwa njira iyi chifukwa imapereka mphamvu yoyera komanso yokhazikika ku zigawo zonse pa bolodi la madera.
- wosanjikiza 3: ndege yapansi, ikugwira ntchito yopanga zinthu zonse pazigawo za madera.
- wosanjikiza 4: Wosanjikiza kwambiri womwe umagwiritsidwa ntchito pazizindikiro ndi kupereka zolumikizira zigawo zikuluzikulu.
Mu kapangidwe ka 4-tsabola wosanjikiza, 4 zotumphukira zimalekanitsidwa ndi zigawo zitatu za dielect ya mkati ndipo zimasindikizidwa pamwamba ndi pansi ndi wogulitsira. Nthawi zambiri, malamulo opanga ma pcbs 4-osanjikiridwa akugwiritsa ntchito ma preces 9 ndi mitundu 3 - bulauni kwa mkuwa, imvi ya pomporgregn kukana.
Ubwino:
● Kukhazikika - ma pcbs anayi-osanjikiza ndi okhazikika kuposa osanjikiza amodzi ndi osanjikiza kawiri.
● Kukula kwa complect - kapangidwe kakang'ono ka ma pcbs anayi kumatha kukhala zida zingapo.
● Kusinthasintha - ma PCB ana anayi kumatha kugwira ntchito zosiyanasiyana zamagetsi zamagetsi, kuphatikizapo zophweka komanso zovuta.
● Chitetezo - mwa kugwirizanitsa bwino mphamvu ndi zigawo zapansi, ma pcbs anayi amatha kutchinga pa zosokoneza ekimalomagnetic.
● Kupepuka - zida zokhala ndi ma PCB zinayi ndi zinayi zimafuna kuwonda pang'ono, choncho nthawi zambiri amakhala opepuka.
Mapulogalamu:
● Makina a Satellite - ma PCB-aese-osanjikiza amakhala ndi ma satellites ozungulira.
● Zipangizo zamagetsi - mafoni am'manja ndi mapiritsi ake amakhala ndi ma PC anayi osanjikiza.
● Zida zopepuka - matabwa a madera ambiri amapereka mphamvu kwa zida zopendekera.
3-4. 6 zigawo pcb
PCB ya 6-yosanjikiza ndiyotalikirana ndi 4-wosanjikiza ndi zigawo ziwiri zowonjezera zomwe zimawonjezeredwa pakati pa ndege. Kandapusa kakang'ono ka 6-wosanjikiza umaphatikizapo ma shula 4 oyenda (awiri kunja ndi awiri amkati) ndi mipata iwiri yamkati (imodzi yamphamvu ndi imodzi kwamphamvu).
Kupereka zigawo ziwiri zamkati zothamanga kwambiri ndi zigawo ziwiri zakunja za zizindikiro zothamanga kwambiri zimatha mphamvu kwambiri emi (electromagnetic). EMI ndi mphamvu ya zizindikiro mkati mwa zida zamagetsi zomwe zimasokonezedwa ndi ma radiation kapena chisonyezo.
Pali makonzedwe osiyanasiyana okhazikika pa 3-osanjikiza a 3-osanjikiza, koma kuchuluka kwa mphamvu, chizindikiro, ndi zigawo zogwiritsidwa ntchito zimatengera zomwe mukufuna.
Gawo la 6-wosanjikizaPCBMulinso osanjikiza apamwamba - Premgreg - malo amkati - core - malo amkati amkati - prepging - mphamvu ya mkati - pansi - Pampur - pansi osanjikiza.
Ngakhale izi ndi kusintha koyenera, mwina sikungakhale koyenera kwa mapangidwe onse a PCB, ndipo zingakhale zofunikira kuti zikhazikike kapena kukhala ndi zigawo zina. Komabe, kuwononga mphamvu ndi kuchepetsa kwa Crostalk ayenera kuganiziridwa mukamawaika.
Ubwino:
● Mphamvu - ma pcbs asanu ndi limodzi ndi owuma kuposa omwe adatsogolera awo mtima motero amakhala olimba.
● Kuphatikizika - matabwa okhala ndi zigawo zisanu ndi chimodzi za makulidwe awa ali ndi mphamvu zambiri ndipo amatha kutalika kwambiri.
● Mphamvu yayikulu - ma pcs asanu ndi limodzi kapena kupitilira apo amapereka mphamvu yoyenera yopangira zida zamagetsi ndipo amachepetsa kwambiri mphamvu ya crostalk ndi electromagnetic.
Mapulogalamu:
● Makompyuta - makompyuta 6-6 adathandizira kuyendetsa bwino makompyuta anu, zomwe zimapangitsa iwo kukhala olemera kwambiri, opepuka, komanso mwachangu.
● Kusunga kwa deta - mphamvu yayitali ya ma PCB sikisi yapanga zida zosungirako za deta zochulukirapo kuposa zaka khumi zapitazo.
● Ma Alamu a Moto - Kugwiritsa ntchito ma board 6 kapena kupitilira apo, ma alamu kukhala olondola pakadali pano kuti adziwe ngozi zenizeni.
Pamene kuchuluka kwa zigawo zosindikizidwa kumawonjezeka kuposa gawo lachinayi ndi zisanu ndi chimodzi, zigawo zambiri zamkuwa ndi zigawo zakuthupi ndizowonjezereka zimawonjezeredwa ku malo osungirako.
Mwachitsanzo, PCB ya-eyiti ili ndi ndege zinayi ndi zigawo zinayi za mkuwa - zisanu ndi zitatu zolumikizidwa ndi mizere isanu ndi iwiri yazinthu za dielectric. Kutulutsa kwa-eyiti-kosindikizidwa ndi chigoba cham'madzi chambiri pamwamba ndi pansi. Kwenikweni, tsamba la ma pcb-eyiti ndi lofanana ndi 6 wosanjikiza, koma ndi mkuwa ndi prefgg.
Shenzhen Anke PCB CO., LTD
2023-667
Post Nthawi: Jun-26-2023
