Ubushyuhe bwakozwe n'ibikoresho bya elegitoronike mugihe cyo gukora butera ubushyuhe bwimbere bwibikoresho kuzamuka vuba. Niba ubushyuhe butashukwa mugihe, ibikoresho bizakomeza gushyuha, igikoresho kizatsindwa kubera uburemere, kandi kwizerwa cyibikoresho bya elegitoronike bizagabanuka. Kubwibyo, ni ngombwa cyane gutandukanya ubushyuhe muri kibaho cyumuzunguruko.

Isesengura ryurukundo rwubushyuhe bwo kuzamuka kwamakuru yacapwe

Impamvu itaziguye yubushyuhe bwinama yinama yacapwe iterwa no kuba hari ibikoresho byo gukoresha imbaraga zumuzunguruko, nibikoresho bya elegitoronike bifite ibyakoreshejwe muburyo butandukanye, hamwe nubushyuhe buhinduka kubikoresha.

Ibintu bibiri byubushyuhe bizamuka mubibaho byacapishijwe:
(1) Ubushyuhe bwaho buzamuka cyangwa ubushyuhe bunini bwaho kuzamuka;
(2) Ubushyuhe bwigihe gito buzamuka cyangwa ubushyuhe bwigihe kirekire.

Mugihe usesengura amashanyarazi yubushyuhe bwa PCB, muri rusange ukurikije ibintu bikurikira.

Amashanyarazi
(1) Gusesengura ibiyobyabwenge kuri buri gice;
(2) Gusesengura ikwirakwizwa ry'ibikoresho by'ingufu ku kibaho cya PCB.

2. Imiterere y'Inama y'Ubutegetsi
(1) Ingano y'Inama y'Ubutegetsi yacapwe;
(2) ibikoresho byinama yacapwe.

3. Uburyo bwo kwishyiriraho Ikibaho cyanditse
(1) Uburyo bwo kwishyiriraho (nko kwishyiriraho guhagarikwa no kwishyiriraho horizontal);
.

4. Imirasire yubushyuhe
(1) Impamyabumenyi yubuyobozi bwanditse;
(2) Itandukaniro ryubushyuhe hagati yinama yacapwe hamwe nubuso bwegeranye nubushyuhe bwabo rwose;

5. Gukora ubushyuhe
(1) Shyiramo radiator;
(2) gukora ibindi bice byo kwishyiriraho.

6. Convetion yubushyuhe
(1) convection karemano;
(2) Gukonja ku gahato.

Isesengura ryibintu byavuzwe haruguru kuva PCB ninzira nziza yo gukemura ubushyuhe bwinama yacapwe. Ibi bintu akenshi bifitanye isano kandi biterwa nibicuruzwa na sisitemu. Ibintu byinshi bigomba gusesengurwa hakurikijwe ibintu nyirizina, gusa kubihe byihariye. Gusa muri ibi bihe birashobora ibipimo byubushyuhe bizamuka no gukoresha amashanyarazi kubarwa cyangwa kugereranywa neza.

Uburyo bw'umuzunguruko bwo gukonjesha

1. Igikoresho kibyara ubushyuhe bwinshi wongeyeho ubushyuhe no gushyuza isahani yo gucuranga
Mugihe ibikoresho bike muri PCB bitanga ubushyuhe bwinshi (munsi ya 3), ubushyuhe bukabije cyangwa umuyoboro wubushyuhe urashobora kongerwaho kubikoresho bibyara ubushyuhe. Iyo ubushyuhe budashobora kumanurwa, ubushyuhe bukabije hamwe numufana burashobora gukoreshwa mugukangora ingaruka zo gutandukana nubushyuhe. Iyo hari ibikoresho byo gushyushya (birenga 3), igifuniko kinini cyo gutandukana (ikibaho) kirashobora gukoreshwa. Numuriro udasanzwe wabitswe ukurikije umwanya nuburebure bwibikoresho byo gushyushya ku kibaho cya PCB cyangwa mumirasire nini yaciwemo uburebure bwibice bitandukanye. Fata ubushyuhe bwo gutandukana hejuru yubuso, hanyuma uhamagare buri kintu kugirango ushishikarize ubushyuhe. Ariko, kubera ibisanzwe bihuje ibice mugihe cyo guterana no gusudira, ingaruka zo gutandukana nubushyuhe ntabwo ari nziza. Mubisanzwe icyiciro cyoroshye cyuburambe gihindura pad yubushyuhe yongeweho ibice kugirango utezimbere ingufu zubushyuhe.

2. Amacakubiri ashyushye binyuze mu bwami bwa PCB ubwabwo
Kugeza ubu, amasahani menshi ya PCB ni igifu cyikirahure cyimbaho ​​/ epoxy sport cyangwa chenolic subth yikirahure, hamwe nimpapuro ntoya zishingiye kumpapuro zikoreshwa. Nubwo izi sub spisse zifite imikorere myiza y'amashanyarazi no gutunganya ibintu, bafite amacakubiri mabi. Nkinzira itandukanijwe nubushyuhe bwibice bibyara ubushyuhe, PCB ubwayo ntishobora kwitega ko izakora ubushyuhe muri resin, ahubwo yatandukanije ubushyuhe kuva hejuru yikintu gikikije. Ariko, nkuko ibicuruzwa bya elegitoroniki binjiye mu gihe cya minisiteri y'ibigize, kwishyiriraho-ubucucike, n'iteraniro rihanitse, ntibihagije kwishingikiriza hejuru y'ibigize hamwe no gutandukanya ubushyuhe. Muri icyo gihe, kubera gukoresha ibintu biremereye byo hejuru nka QFP na Bga, ubushyuhe bwakozwe nibigize byimuriwe mu kibaho kinini. Kubwibyo, inzira nziza yo gukemura amashuri yubushyuhe ni ukunoza ubushobozi bwo gutandukana bwubushyuhe bwa PCB ubwayo mu buryo butaziguye hamwe nikidozo. Imyitwarire cyangwa gusohora.

3. Emera igishushanyo cyumvikana kugirango ugere ku magambo atandukanye
Kuberako imikorere yubushyuhe yisi mu rupapuro ni umukene, kandi imirongo ya file nimwobo ni abatwara umurinzi
Gusuzuma ubushobozi bwo gutandukana bwubushyuhe bwa PCB, birakenewe kubara neza mu bushyuhe buhwanye (icyenda eq) y'ibikoresho bigizwe n'ibikoresho bitandukanye hamwe na coeftivite itandukanye ya coefficient-the substrate ya PCB.

4. Kubikoresho bikoresha ubuntu bwubusa, nibyiza gutunganya imirongo ihuriweho (cyangwa ibindi bikoresho) ihagaritse cyangwa itambitse.

5. Ibikoresho ku Nama Njyanama imwe byacapwe bigomba gutegurwa ukurikije ubushyuhe bwabo n'ubushyuhe bushoboka. Ibikoresho bifite ubushyuhe buke cyangwa ababi barwanya ubushyuhe buke (nk'abapfunyiko bato b'ikimenyetso, imigabane mito y'amashanyarazi, ibikoresho bifite ubushyuhe bwinshi, ibikoresho bifite ubushyuhe bwinshi, ibikoresho bifite ubushyuhe bwinshi, ibikoresho bihujwe cyane.

6. Mu cyerekezo cya horizontal, ibikoresho by'amashanyarazi bihanitse bigomba gushyirwa hafi bishoboka ku nkombe y'inama yacapwe ngo igabanye inzira yo kwimura ubushyuhe; Mu cyerekezo gihagaritse, ibikoresho byingufu nyinshi bigomba gushyirwa hafi bishoboka kugeza hejuru yinama yacapwe kugirango ugabanye ubushyuhe bwibi bikoresho mugihe ukora mubindi bikoresho bigira ingaruka.

7. Igikoresho cyoroshye-Igikoresho cyashyizwe ahantu hamwe nubushyuhe bwo hasi (nka hepfo yigikoresho). Ntuzigere ubishyira hejuru yigikoresho gitanga ubushyuhe. Ibikoresho byinshi nibyiza cyane ku ndege itambitse.

8. Gusohora ubushyuhe bwinama yacapwe mubikoresho ahanini biterwa nijuru, bityo inzira yo guhumeka igomba kwigwa muburyo, nigikoresho cyangwa ikigo cyumuzunguruko cyacapwe kigomba gushyirwamo neza. Iyo umwuka utemba, burigihe ukunda gutemba aho kurwanya ari bito, niko kugena ibikoresho byumuriro ucapishijwe, ni ngombwa kwirinda kuva mu kirere runaka. Iboneza ryibibaho byinshi byacapwe mumashini yose bigomba kandi kwitondera ikibazo kimwe.

9. Irinde kwibanda ku bibanza bishyushye kuri PCB bihari kuri PCB bishoboka, kandi ukomeze imikorere yubushyuhe bwa PCB hejuru yumwambaro uhwanye kandi bihamye. Akenshi biragoye kugera ku isambumari ikaze muburyo bwo gushushanya, ariko ni ngombwa kwirinda ahantu hanini cyane kugirango wirinde ibikorwa bishyushye byumuzunguruko wose. Niba ibisabwa uruhushya, gusesengura ubushyuhe bwumuzunguruko byacapwe birakenewe. Kurugero, amashusho yubushyuhe yerekana amashusho ya software yongeyeho muri software zimwe za PCB irashobora gufasha abashushanya neza igishushanyo mbonera.