EMI (interineti ya electromagnetic) hamwe na RFI (interineti yumurongo wa interineti) nibibazo bikunze kugaragara mugushushanya imbaho ​​zicapye (PCBs). Mu gishushanyo mbonera cya PCB, ibyo bibazo bisaba kwitabwaho bidasanzwe kubera guhuza uduce tworoshye kandi tworoshye. Hano iyi ngingo izasesengura ingamba nubuhanga butandukanye kugirango EMI / RFI ikingire neza mugushushanya gukomeye kwa flex board kugirango hagabanuke kwivanga no gukora neza.

Gusobanukirwa EMI na RFI muri Rigid Flexible PCB:

EMI na RFI nibyo:

EMI isobanura Electromagnetic Interference na RFI bisobanura Interineti ya Frequency Interference. EMI na RFI byombi bivuga ibintu aho ibimenyetso bya elegitoroniki bidakenewe bihagarika imikorere isanzwe yibikoresho bya sisitemu. Ibi bimenyetso bibangamira bishobora gutesha agaciro ubwiza bwibimenyetso, kugoreka amakuru, ndetse bigatera no kunanirwa kwa sisitemu.

Uburyo bishobora kugira ingaruka mbi kubikoresho na sisitemu:

EMI na RFI birashobora kugira ingaruka mbi kubikoresho bya elegitoronike na sisitemu muburyo butandukanye. Barashobora guhagarika imikorere ikwiye yumuzunguruko, bitera amakosa cyangwa imikorere mibi. Muri sisitemu ya sisitemu, EMI na RFI birashobora gutera ruswa, bikavamo amakosa cyangwa gutakaza amakuru. Muri sisitemu yo kugereranya, ibimenyetso bivanga bizana urusaku rugoreka ibimenyetso byumwimerere kandi bitesha agaciro ubwiza bwamajwi cyangwa amashusho. EMI na RFI birashobora kandi kugira ingaruka kumikorere ya sisitemu yitumanaho ridafite umugozi, bigatuma intera igabanuka, guhamagarwa, cyangwa gutakaza umurongo.

Inkomoko ya EMI / RFI:

Inkomoko ya EMI / RFI iratandukanye kandi irashobora guterwa nimpamvu zo hanze nizimbere. Inkomoko yo hanze irimo amashanyarazi yumuriro uva kumurongo wamashanyarazi, moteri yamashanyarazi, imiyoboro ya radio, sisitemu ya radar, hamwe numurabyo. Aya masoko yo hanze arashobora kubyara ibimenyetso bikomeye bya electromagnetic bishobora kumurika no gushyingiranwa nibikoresho bya elegitoroniki byegeranye, bigatera intambamyi. Inkomoko yimbere ya EMI / RFI irashobora gushiramo ibice nizunguruka mubikoresho ubwabyo. Guhindura ibintu, ibimenyetso byihuta byihuta bya digitale, hamwe nubutaka budakwiye birashobora kubyara imirasire ya electromagnetique mubikoresho bishobora kubangamira imashanyarazi yumvikana hafi.

Akamaro ko gukingira EMI / RFI muri Rigid Flex PCB Igishushanyo:

Akamaro ka EMI / RFI gukingira muburyo bukomeye bwa pcb:

Gukingira EMI / RFI bigira uruhare runini mugushushanya PCB, cyane cyane kubikoresho bya elegitoroniki byoroshye nkibikoresho byubuvuzi, sisitemu zo mu kirere, nibikoresho byitumanaho. Impamvu nyamukuru yo gushyira mubikorwa gukingira EMI / RFI ni ukurinda ibyo bikoresho ingaruka mbi ziterwa na electronique na radiyo.

Ingaruka mbi za EMI / RFI:

Kimwe mubibazo nyamukuru hamwe na EMI / RFI ni ibimenyetso byerekana ibimenyetso. Iyo ibikoresho bya elegitoronike bikorewe amashanyarazi, ubuziranenge nubusugire bwikimenyetso birashobora kugira ingaruka. Ibi birashobora kuvamo ruswa, amakosa yitumanaho no gutakaza amakuru yingenzi. Mubisabwa byoroshye nkibikoresho byubuvuzi hamwe na sisitemu yo mu kirere, ibyo bimenyetso byerekana bishobora kugira ingaruka zikomeye, bigira ingaruka kumutekano wumurwayi cyangwa kubangamira imikorere ya sisitemu zikomeye;

Kunanirwa kw'ibikoresho ni ikindi kibazo gikomeye cyatewe na EMI / RFI. Kubangamira ibimenyetso birashobora guhagarika imikorere isanzwe yumuzunguruko wa elegitoronike, bikabatera gukora nabi cyangwa kunanirwa burundu. Ibi birashobora kuganisha ku bikoresho igihe, gusana bihenze kandi bishobora guhungabanya umutekano. Mubikoresho byubuvuzi, kurugero, kwivanga kwa EMI / RFI birashobora gutera gusoma nabi, kunywa nabi, ndetse no kunanirwa ibikoresho mugihe gikomeye.

Gutakaza amakuru nizindi ngaruka zo kwivanga kwa EMI / RFI. Mubisabwa nkibikoresho byitumanaho, kwivanga birashobora gutera guhamagarwa, guhuza, cyangwa amakuru yangiritse. Ibi birashobora kugira ingaruka mbi kuri sisitemu yitumanaho, bigira ingaruka kumusaruro, ibikorwa byubucuruzi no guhaza abakiriya.

Kugabanya izo ngaruka mbi, gukingira EMI / RFI byinjijwe mubishushanyo mbonera bya pcb. Gukingira ibikoresho nkibikoresho byuma, gutwikira ibintu, hamwe nudukingirizo dukingira bitera inzitizi hagati yibikoresho bya elegitoroniki byoroshye nisoko yo kwivanga. Igice cyo gukingira gikora nk'ingabo ikingira cyangwa igaragaza ibimenyetso byo kwivanga, ikabuza ibimenyetso byo gutambuka kwinjira mu kibaho gikomeye cya flex, bityo bigatuma ubunyangamugayo n’ibikoresho bya elegitoroniki byizerwa.

Ibyingenzi Byibanze kuri EMI / RFI Gukingira Rigid Flex PCB Ibihimbano:

Inzitizi zidasanzwe zahuye nazo mu buryo bukomeye bwa flex circuit zibaho:

Igishushanyo cya Rigid-flex PCB ihuza uduce tworoshye kandi tworoshye, tugaragaza ibibazo byihariye kubikingira EMI / RFI. Igice cyoroshye cya PCB gikora nka antenne, cyohereza no kwakira imiraba ya electroniki. Ibi byongera ubworoherane bwibintu byoroshye kuri electromagnetic intervention. Kubwibyo, gushyira mubikorwa uburyo bwiza bwo gukingira EMI / RFI muburyo bwihuse bwihuse flex pcb ibishushanyo ni ngombwa.

Gukemura ibikenewe muburyo bukwiye bwo gufata ingamba hamwe ningamba zo gukingira:

Uburyo bukwiye bwo gutaka nibyingenzi mugutandukanya ibice byoroshye biturutse kumashanyarazi. Indege zubutaka zigomba gushyirwaho muburyo bwogukora neza kugirango zuzuze neza. Izi ndege zubutaka zikora nkingabo, zitanga inzira ntoya ya EMI / RFI kure yibice byoroshye. Kandi, gukoresha indege nyinshi zubutaka bifasha kugabanya inzira nyabagendwa no kugabanya urusaku rwa EMI / RFI.

Ingamba zo gukingira nazo zigira uruhare runini mu gukumira EMI / RFI. Gupfuka ibice byoroshye cyangwa ibice bikomeye bya PCB hamwe ningabo ikingira birashobora gufasha kubuza no guhagarika kwivanga. Ibikoresho byo gukingira EMI / RFI, nkibikoresho bifata imiyoboro cyangwa ibifuniko, birashobora kandi gukoreshwa kumuzunguruko wa flex-flex cyangwa ahantu runaka kugirango hatangwe ubundi burinzi buturuka hanze.

Akamaro ko gutezimbere imiterere, gushyira ibice, hamwe no kwerekana ibimenyetso:

Gutezimbere imiterere, gushyira ibice, hamwe no kwerekana ibimenyetso nibyingenzi kugirango ugabanye ibibazo bya EMI / RFI mubishushanyo mbonera bya PCB. Igishushanyo mbonera gikwiye cyemeza ko ibice byoroshye bitarinze kuba isoko ya EMI / RFI, nkumuzunguruko mwinshi cyangwa amashanyarazi. Ibimenyetso by'ibimenyetso bigomba kunyuzwa muburyo bugenzurwa kandi butunganijwe kugirango ugabanye inzira nyabagendwa no kugabanya uburebure bwihuta bwibimenyetso byihuta. Ni ngombwa kandi gukomeza gutandukanya umwanya ukwiye no kubirinda kure yisoko yo kwivanga. Gushyira ibice nibindi bitekerezo byingenzi. Gushyira ibice byoroshye hafi yindege yubutaka bifasha kugabanya guhuza EMI / RFI. Ibigize bifite imyuka myinshi cyangwa byoroshye birashobora gutandukanywa nibindi bice cyangwa uduce tworoshye cyane bishoboka.

Ubuhanga busanzwe bwa EMI / RFI:

Ibyiza nimbibi za buri tekinike hamwe nuburyo bukoreshwa muburyo bukomeye PCB ishushanya Amabwiriza:

Igishushanyo mbonera gikwiye:Uruzitiro rwateguwe neza rukora nkingabo ituruka hanze ya EMI / RFI. Uruzitiro rw'ibyuma, nka aluminium cyangwa ibyuma, bitanga ingabo nziza. Uruzitiro rugomba kuba rufite ishingiro kugirango hirindwe ikintu icyo ari cyo cyose cyo hanze kitari ibice byoroshye. Ariko, mugushushanya kwa flex-rigid pcb, agace ka flex karerekana ikibazo cyo kugera kuburinzi bukwiye.

Ingofero yo gukingira:Gukoresha igipfundikizo gikingira, nk'irangi ryayobora cyangwa spray, hejuru ya PCB birashobora kugabanya ingaruka za EMI / RFI. Ipitingi igizwe nuduce twibyuma cyangwa ibikoresho bitwara nka karubone, ikora urwego rwimikorere rugaragaza kandi rukurura imiraba ya electronique. Ingofero yikingira irashobora gukoreshwa mubice byihariye bikunda EMI / RFI. Ariko, kubera guhinduka kwayo kugufi, gutwikira ntibishobora kuba bibereye ahantu horoheje h'ibibaho bigoye.

Kurinda birashobora:Ingabo ikingira, izwi kandi nk'akazu ka Faraday, ni uruzitiro rw'icyuma rutanga uburyo bwo gukingira ahantu runaka cyangwa igice cya prototype ikaze. Ibi bikoresho birashobora gushirwa muburyo butaziguye kugirango birinde EMI / RFI kwivanga. Amabati akingiwe afite akamaro kanini kubimenyetso byinshi. Ariko, gukoresha amabati yo gukingira ahantu hashobora kuba ingorabahizi kubera guhinduka kwayo muburyo bukomeye bwa PCB.

Amashanyarazi meza:Ibigega byifashishwa bikoreshwa mugushiraho icyuho kiri hagati yinzu, ibipfukisho, hamwe nu muhuza, byemeza inzira ikomeza. Batanga EMI / RFI gukingira no gufunga ibidukikije. Gasketi ikora neza ikozwe muri elastomer ikora, imyenda yicyuma cyangwa ifuro ya kopi. Birashobora guhagarikwa kugirango bitange amashanyarazi meza hagati yubukwe. Icyogajuru kiyobora gikwiranye nigishushanyo mbonera cya PCB kubera ko gishobora guhuza no kugunama kw'ibibaho byumuzunguruko.

Nigute ushobora gukoresha ibikoresho byo gukingira nka fayili yayobora, firime n'amabara kugirango ugabanye ingaruka za EMI / RFI:

Koresha ibikoresho byo gukingira nkibikoresho byayobora, firime, hamwe n amarangi kugirango ugabanye ingaruka za EMI / RFI. Ifarashi ikora neza, nk'umuringa cyangwa aluminiyumu, irashobora gukoreshwa mubice byihariye bya flex-rigid pcb kugirango ikingire ahantu. Firime ziyobora ni impapuro zoroheje zibikoresho bishobora gutwarwa hejuru yikibaho kinini kigizwe na flex cyangwa cyinjizwa muri Rigid Flex Pcb Stackup. Irangi cyangwa spray birashobora gukoreshwa mubice bishobora kwanduzwa na EMI / RFI.

Ibyiza byibi bikoresho byo gukingira nuburyo bworoshye, bubemerera guhuza imiterere ya PCBs ikomeye. Nyamara, ibyo bikoresho birashobora kuba bifite aho bigarukira mukurinda imikorere, cyane cyane kuri frequence yo hejuru. Gushyira mu bikorwa kwabo, nko gushyira neza no kubikwirakwiza, ni ngombwa kugirango ukingire neza.

Ingamba zo gushingira no gukingira:

Kunguka ubumenyi muburyo bwiza bwo gushingura:

Ikoranabuhanga rishingiye ku butaka:Inyenyeri Yubatswe: Mu nyenyeri ihagarara, hagati hagati ikoreshwa nkubutaka bwerekanwe kandi amasano yose yubutaka ahujwe niyi ngingo. Iri koranabuhanga rifasha gukumira ibibanza bigabanya itandukaniro rishobora kuba hagati yibice bitandukanye no kugabanya urusaku. Bikunze gukoreshwa muri sisitemu y amajwi nibikoresho byoroshye bya elegitoroniki.

Igishushanyo mbonera cy'indege:Indege yubutaka nigice kinini kiyobora mumashanyarazi menshi rigid-flexible pcb ikora nkubutaka. Indege y'ubutaka itanga inzira ntoya yo kugaruka kugaruka, ifasha kugenzura EMI / RFI. Indege yateguwe neza igomba gupfundikanya ibintu byose bigoye kandi bigahinduka ahantu hizewe. Ifasha kugabanya inzitizi zubutaka kandi igabanya ingaruka zurusaku kubimenyetso.

Akamaro ko gukingira nuburyo bwo kugishushanya:

Akamaro ko gukingira: Gukingira ni inzira yo gufunga ibice byoroshye cyangwa imizunguruko hamwe nibikoresho byayobora kugirango wirinde kwinjiza amashanyarazi. Nibyingenzi kugabanya EMI / RFI no gukomeza ubuziranenge bwibimenyetso. Kwikingira birashobora kugerwaho hifashishijwe ibyuma, ibyuma bitwara ibintu, amabati akingira, cyangwa gasketi.

Igishushanyo mbonera:

Ingabo zikingira:Inzitiro zicyuma zikoreshwa mugukingira ibikoresho bya elegitoroniki. Uruzitiro rugomba kuba rufite ishingiro kugirango rutange inzira nziza yo gukingira no kugabanya ingaruka za EMI / RFI zo hanze.

Ingofero yo gukingira:Ipitingi ikora nk'irangi ryayobora cyangwa spray ya kanseri irashobora gukoreshwa hejuru yikibaho cyizengurutswe cyanditseho imizunguruko cyangwa inzu kugirango kibe urwego rukora rwerekana cyangwa rukurura imiraba ya electroniki.
Amabati yo gukingira: Amabati yo gukingira, azwi kandi nk'akazu ka Faraday, ni ibyuma bikingira ibyuma bitanga igice cyo gukingira igice runaka. Birashobora gushirwa muburyo bworoshye kugirango birinde EMI / RFI kwivanga.

Amashanyarazi meza:Ibigega byifashishwa bikoreshwa mugushiraho icyuho kiri hagati yikigo, igifuniko, cyangwa umuhuza. Batanga EMI / RFI gukingira no gufunga ibidukikije.

Igitekerezo cyo gukingira neza no guhitamo ibikoresho bikingira:

Gukingira neza no guhitamo ibikoresho:Gukingira imbaraga bipima ubushobozi bwibikoresho byo guhuza no kwerekana imiyoboro ya electroniki. Ubusanzwe bigaragarira muri décibel (dB) kandi byerekana ingano yerekana ibimenyetso byagezweho nibikoresho byo gukingira. Mugihe uhitamo ibikoresho byo gukingira, ni ngombwa gusuzuma uburyo bwo gukingira, gukora neza, guhinduka, no guhuza nibisabwa na sisitemu.

Amabwiriza ya EMC Igishushanyo:

imikorere myiza ya EMC (Electromagnetic Compatibility) amabwiriza yo gushushanya nakamaro ko kubahiriza inganda za EMC

ibipimo n'amabwiriza:

Kugabanya agace ka loop:Kugabanya agace ka loop bifasha kugabanya inductance ya loop, bityo bikagabanya amahirwe ya EMI. Ibi birashobora kugerwaho mugukomeza ibimenyetso bigufi, ukoresheje indege ikomeye yubutaka, no kwirinda imirongo minini mumiterere yumuzunguruko.

Mugabanye inzira yihuta yerekana ibimenyetso:Ibimenyetso byihuse byabyara imirasire ya electromagnetique, byongera amahirwe yo kwivanga. Kugira ngo ibi bigabanuke, tekereza gushyira mubikorwa inzira zagenzuwe, ukoresheje inzira zateguwe neza zerekana inzira, kandi ukoreshe tekinike yo gukingira nko gutandukanya ibimenyetso no guhuza impedance.

Irinde inzira ibangikanye:Kuringaniza kuringaniza ibimenyetso byerekana ibimenyetso bishobora kuganisha ku guhuza utabigambiriye no kunyuramo, bishobora gutera ibibazo byo kwivanga. Ahubwo, koresha inzira ihagaritse cyangwa inguni kugirango ugabanye hafi y'ibimenyetso bikomeye.

Kubahiriza amahame ya EMC n'amabwiriza:Kubahiriza amahame yihariye ya EMC yinganda, nkayashyizweho na FCC, nibyingenzi kugirango ibikoresho byizewe kandi birinde kwivanga mubindi bikoresho. Kubahiriza aya mabwiriza bisaba kwipimisha neza no kugenzura ibikoresho byangiza imyuka ya elegitoroniki kandi byoroshye.

Shyira mu bikorwa tekinike yo gukingira no gukingira:Ubuhanga bukwiye bwo gukingira no gukingira nibyingenzi mukugenzura ibyuka byangiza amashanyarazi kandi byoroshye. Buri gihe ujye werekeza kumurongo umwe wubutaka, shyira mubikorwa inyenyeri yubutaka, ukoreshe indege yubutaka, kandi ukoreshe ibikoresho byo gukingira nkibizenga cyangwa ibifuniko.

Kora kwigana no kugerageza:Ibikoresho byo kwigana birashobora gufasha kumenya ibibazo bya EMC hakiri kare mugice cyo gushushanya. Igeragezwa ryuzuye rigomba kandi gukorwa kugirango hamenyekane imikorere yibikoresho no kwemeza kubahiriza ibipimo bya EMC bisabwa.

Mugukurikiza aya mabwiriza, abashushanya barashobora kuzamura imikorere ya EMC yibikoresho bya elegitoronike kandi bikagabanya ingaruka ziterwa na electronique, kwemeza imikorere yayo neza no guhuza nibindi bikoresho mubidukikije bya electroniki.

Kwipimisha no Kwemeza:

Akamaro ko kwipimisha no kugenzura kugirango ukingire neza EMI / RFI muburyo bukomeye bwa PCB:

Kwipimisha no kugenzura bigira uruhare runini mugukora ibishoboka byose kugirango EMI / RFI ikingire neza muburyo bukomeye bwa PCB. Gukingira neza ni ngombwa kugirango wirinde kwivanga kwa electronique no gukomeza imikorere yibikoresho no kwizerwa.

Uburyo bwo Kwipimisha:

Gusikana hafi-yumurima:Gusikana hafi-yumurima bikoreshwa mugupima imyuka ihumanya yumuriro wa flex-flex no kumenya inkomoko yimirasire ya electronique. Ifasha kwerekana ahantu bisaba gukingirwa byongeye kandi birashobora gukoreshwa mugice cyogushushanya kugirango ushireho ingabo.

Isesengura ryuzuye:Isesengura ryuzuye-yuzuye, nka electromagnetic yumurima wigana, ikoreshwa mukubara imyitwarire ya electromagnetic yimyitwarire ya flexi rigid pcb. Itanga ubushishozi mubibazo bya EMI / RFI, nko guhuza hamwe na resonance, kandi bifasha muburyo bwiza bwo gukingira.

Ikizamini cyoroshye:Igeragezwa ryoroshye risuzuma ubushobozi bwigikoresho cyo guhangana n’imivurungano yo hanze. Harimo kwerekana igikoresho kumashanyarazi agenzurwa no gusuzuma imikorere yacyo. Igeragezwa rifasha kumenya intege nke muburyo bwo gukingira no gukora ibikenewe kunonosorwa.

Ikizamini cyo kubahiriza EMI / RFI:Igeragezwa ryubahiriza ryemeza ko ibikoresho byujuje ubuziranenge bwa electromagnetic ihuza amabwiriza. Ibi bizamini birimo gusuzuma ibyuka bihumanya kandi byakozwe, hamwe no guhungabana hanze. Igeragezwa ryimikorere rifasha kugenzura imikorere yingamba zo gukingira no kwemeza guhuza ibikoresho nubundi buryo bwa elegitoroniki.

Iterambere ry'ejo hazaza muri EMI / RFI Shielding:

Ubushakashatsi bukomeje hamwe nikoranabuhanga rigenda rigaragara mubijyanye na EMI / RFI ikingira kwibanda ku kunoza imikorere no gukora neza. Nanomateriali nka polymers ikora na carbone nanotubes itanga uburyo bwiza bwogukwirakwiza no guhinduka, bigatuma ibikoresho byo gukingira byoroha kandi byoroshye. Igishushanyo mbonera cyo gukingira, nkibikoresho byinshi hamwe na geometrike nziza, byongera uburyo bwo gukingira. Mubyongeyeho, kwinjiza ibikorwa byitumanaho bidafite umugozi mubikoresho byo gukingira birashobora gukurikirana imikorere yo gukingira mugihe nyacyo kandi igahita ihindura imikorere yo gukingira. Iterambere rigamije gukemura ibibazo bigenda byiyongera hamwe nubucucike bwibikoresho bya elegitoronike mugihe harebwa uburyo bwizewe bwo kwirinda EMI / RFI.

Umwanzuro:

Gukingira neza EMI / RFI gukingirwa muburyo bukomeye bwa flex board yubuyobozi nibyingenzi kugirango habeho gukora neza no kwizerwa kwibikoresho bya elegitoroniki. Mugusobanukirwa imbogamizi zirimo no gushyira mubikorwa uburyo bukwiye bwo gukingira, gutezimbere imiterere, ingamba zifatika, no kubahiriza amahame yinganda, abashushanya barashobora kugabanya ibibazo bya EMI / RFI kandi bikagabanya ingaruka zo kwivanga. Kwipimisha buri gihe, kwemeza, no gusobanukirwa niterambere ryigihe kizaza mugukingira EMI / RFI bizagira uruhare mugushushanya neza PCB yujuje ibyifuzo byisi itwarwa nikoranabuhanga.
Shenzhen Capel Technology Co., Ltd. yashyizeho uruganda rwayo Rigid Flex Pcb mu 2009 kandi ni uruganda rukora Flex Rigid Pcb. Hamwe nimyaka 15 yuburambe bukomeye bwumushinga, uburyo bukomeye bwo gutembera, ubushobozi bwa tekinike nziza, ibikoresho byogukora byimbere, sisitemu yo kugenzura ubuziranenge bwuzuye, hamwe na Capel ifite itsinda ryinzobere zumwuga kugirango ziha abakiriya isi yose neza-nziza, nziza-nziza Rigid Flex Rigid Pcb, Rigid Ibikoresho bya Flex Pcb, Byihuta Byihuta Rigid Flex Pcb, .Ibisubizo byacu byihutirwa mbere yo kugurisha na nyuma ya kugurisha serivisi za tekiniki hamwe no gutanga ku gihe bituma abakiriya bacu bahita babona amahirwe yisoko kumishinga yabo.