PCB Slotting

1. Samuwar ramummuka yayin tsarin tsarin PCB ya hada da:

Slotting lalacewa ta hanyar rarraba iko ko jirage ƙasa; Lokacin da akwai wadatattun kayayyaki da yawa ko filaye akan PCB, da wuya a ware wani cikakken jirgin sama ga kowane cibiyar sadarwar wutar lantarki da hanyar sadarwa ta ƙasa. Tsarin gama gari shine ko kuma ya rarraba ikon sarrafa iko ko rarrabuwa mai ƙasa akan jiragen sama da yawa. An kafa Ramummuka tsakanin rarrabuwa daban-daban a kan jirgin guda ɗaya.

Ta hanyar ramuka suna da matuƙar matuƙar yawa don samar da ramuka (ta hanyar ramuka sun haɗa da pads da vas); Lokacin da ta hanyar ramuka ta wuce ta ƙasa Layer ko wuta Layer ba tare da haɗin lantarki ba, wasu sarari yana buƙatar hagu a kusa da ramuka don warewar lantarki don wutan lantarki; Amma lokacin da ramuka lokacin da ramuka suke da kusanci tare, zoben spaceer ya mamaye, ramuka.

2. Tasirin slotting a kan EMC aikin na PCB version

Grooving zai sami wani tasiri a kan aikin EMC na hukumar PCB. Wannan mummunan na iya zama mara kyau ko tabbatacce. Da farko muna buƙatar fahimtar rarrabuwar sigogi na yanzu da saurin saurin sauri da sigina masu ƙarfi. A ƙananan gudu, na yanzu yana gudana daga tafarkin mafi ƙasƙanci juriya. Adadin da ke ƙasa yana nuna yadda lokacin da aka fara saurin gudana a halin yanzu daga A zuwa B, siginar ta dawo daga jirgin saman ƙasa zuwa tushe. A wannan lokacin, rarraba yanayin halin yanzu ya fi yawa.

A babban gudun, sakamakon shiga cikin hanyar dawowar siginar zata wuce ta hanyar juriya. Sigina masu saurin dawowa zasu kwarara a kan hanyar mafi ƙasƙanci. A wannan lokacin, rarraba halin yanzu rarraba halin yanzu shine kunkuntar lokaci, kuma ana mai da hankali ga siginar dawowa a ƙarƙashin layin sigina.

Lokacin da aka ba da dama ta kewaya akan PCB, "ƙasa rarrabawa", wato jirage na ƙasa da ƙananan sigogi, da ƙananan sigina. Daga rarraba siginar da sauri da saurin dawowa a sama, ana iya fahimtar cewa a cikin da'irar dawowa da hana layin gama gari da aka yi amfani da shi.

Amma ba tare da la'akari da alamun alamun sauri ko sigina masu ƙarfi ba, lokacin da layin sigina na layin jirgi a cikin jirgin sama ko jirgin sama, da yawa da suka faru har da:

Ƙara yawan madauki na yanzu yana ƙaruwa da madauki mai shigowa, yin fitowar fitarwa tana sauƙaƙe oscillate;

Don layin sigina mai sauri wanda ke buƙatar ikon sarrafawa mai ƙarfi kuma an lalata ƙirar saman jirgin sama ko ƙananan mulkoki na sama, wanda ya haifar da dakatarwar ɗakunan ƙasa. matsalolin jima'i;

Yana ƙaruwa da zubar da radiation cikin sarari kuma yana da saukin kamuwa da tsangwama daga filayen magnetic;

Harshen ƙarfin yawan ƙarfin ƙarfin lantarki akan madauki wanda ke haifar da asalin tushen hasken ƙasa, kuma ana haifar da hasken sararin samaniya na yau da kullun ta hanyar igiyoyi na waje;

Rage yiwuwar siyar da siginar da ke tattare da wasu da'irori a kan allo.

Amma ba tare da la'akari da alamun alamun sauri ko sigina masu ƙarfi ba, lokacin da layin sigina na layin jirgi a cikin jirgin sama ko jirgin sama, da yawa da suka faru har da:

Ƙara yawan madauki na yanzu yana ƙaruwa da madauki mai shigowa, yin fitowar fitarwa tana sauƙaƙe oscillate;

Yana ƙaruwa da zubar da radiation cikin sarari kuma yana da saukin kamuwa da tsangwama daga filayen magnetic;

Harshen ƙarfin yawan ƙarfin ƙarfin lantarki akan madauki wanda ke haifar da asalin tushen hasken ƙasa, kuma ana haifar da hasken sararin samaniya na yau da kullun ta hanyar igiyoyi na waje;

Kara yiwuwar girman siginar da ke tattare da wasu da'irori a kan allo

3. Hanyoyin ƙira na PCB don Slotting

Aikin tsagi ya kamata bi waɗannan ƙa'idodi:

Don layin sigina mai sauri wanda ke buƙatar ikon sarrafawa mai ƙarfi, an haramta abubuwan da aka haramta su ne daga tsallakewa da aka rarraba su don guje wa matsalolin daidaitawa;

Lokacin da ke cikin da'irori masu jituwa akan PCB, ya kamata a aiwatar da ƙasa ƙasa, amma rabuwa da ƙasa kada ta haifar da wuraren sigina mai sauri don tsallake masu haɓaka;

Lokacin da aka gama ramuka a fadin ramuka ba shi yiwuwa, ya kamata a yi bulala;

Bai kamata a sanya mai haɗi ba (waje) a kan ƙasa Layer. Idan akwai babban bambanci tsakanin maki a da aya B a ƙasa Layer a cikin adadi, ƙididdigar yanayin gama gari ana iya haifar da ta hanyar waje.

Lokacin da ƙira PCBS don masu haɗin kai na kuɗi, sai dai idan akwai buƙatu na musamman, ya kamata ku tabbatar da cewa hanyar sadarwar ƙasa ta kewaya kowane PIN. Hakanan zaka iya shirya hanyar sadarwar ƙasa a hankali lokacin da shirya fil don tabbatar da ci gaba da jirgin saman ƙasa kuma ya hana samar da Slotting