Okokusebenza ngogesi, kuzoba nenani elithile lokushisa lapho kusebenza, ukuze izinga lokushisa langaphakathi lemishini likhuphuke ngokushesha. Uma ukushisa kungakhishwa ngesikhathi, imishini izoqhubeka nokushisa, idivayisi izokwehluleka ngenxa yokushisa kakhulu, nokusebenza okuthembekile kwemishini ye-elekthronikhi kuzokwehla. Ngakho-ke, kubaluleke kakhulu ukuqhuba ukwelashwa okuhle kokushiswa kokushisa kwe- ibhodi yesifunda.

1. Ucwecwe lokushisa lwe-heat dissipation kanye nokusetshenziswa kwendawo enkulu yokufakelwa kukagesi ucwecwe lwethusi.

Ngokwesibalo esingenhla, lapho indawo iba nkulu esikhunjeni sethusi, kwehla izinga lokushisa lokuhlangana

Ngokwesibalo esingenhla, kuyabonakala ukuthi lapho indawo enkulu yethusiwe inkulu, kwehla izinga lokushisa lokuhlangana.

2. Imbobo eshisayo

Umgodi oshisayo unganciphisa ngempumelelo izinga lokuhlangana ledivayisi, uthuthukise ukufana kwamazinga okushisa ohlangothini lobukhulu bebhodi, futhi unikeze ithuba lokusebenzisa ezinye izindlela zokupholisa ngemuva kwe-PCB. Imiphumela yokulingisa ikhombisa ukuthi izinga lokushisa lokuhlangana lingancishiswa cishe ngo-4.8 ° C lapho ukusetshenziswa kwamandla kagesi okushisayo kungu-2.5W, isikhala siyi-1mm, kanti ukwakheka okuphakathi nendawo kungu-6 × 6. Umehluko lokushisa phakathi kobuso phezulu nangaphansi kwe-PCB kuyehla kusuka ku-21 ° C kuye ku-5 ° C. Izinga lokushisa ledivayisi lenyuka ngo-2.2 ° C uma kuqhathaniswa nalokho okungu-6 × 6 ngemuva kokuguqulwa komgodi oshisayo kube ngu-4 × 4.

3. IC emuva iveze ithusi, yehlisa ukumelana okushisayo phakathi kwesikhumba sethusi nomoya

Ukuhlelwa kwe-PCB

Izidingo zamandla aphezulu, amadivayisi ashisayo.

Imishini ezwela ukushisa kufanele ibekwe endaweni ebandayo yomoya.

B. Idivayisi yokuthola ukushisa kufanele ibekwe endaweni eshisayo.

C. Amadivayisi ebhodini elifanayo eliphrintiwe kufanele ahlelwe ngangokunokwenzeka ngokwenani lawo le-calorific nezinga lokushabalalisa ukushisa. Amadivayisi anenani eliphansi le-calorific noma ukumelana nokushisa okuncane (njengama-transistor amancane wesiginali, amasekhethi ahlanganisiwe amancane, ama-electrolytic capacitors, njll.) Kufanele abekwe ekugelezeni okuphezulu (ekungeneni) kokugeleza komoya okupholile. Amadivayisi anenani eliphakeme lekhalori noma ukumelana nokushisa okuhle (njengama-transistors kagesi, amasekethe ahlanganisiwe amakhulu, njll.) Abekwa ezansi kakhulu komoya opholile.

D. Ohlangothini oluvundlile, amadivayisi anamandla aphezulu kufanele ahlelwe asondele ngangokunokwenzeka emaphethelweni ebhodi eliphrintiwe ukunciphisa indlela yokudlulisa ukushisa; Ohlangothini olubheke phezulu, amadivayisi anamandla aphezulu ahlelwe asondele ngangokunokwenzeka ebhodini eliphrintiwe, ukuze kunciphise ukuthonya kwalawa madivayisi ekushiseni kwamanye amadivayisi lapho esebenza.

E. Ukushiswa kokushisa kwebhodi eliphrintiwe entweni yokusebenza kuncike kakhulu ekuhambeni komoya, ngakho-ke kuyadingeka ukutadisha indlela yokuhamba komoya futhi ulungiselele ngokufanele amadivayisi noma amabhodi wesifunda aphrintiwe ekwakhiweni. Ukuhamba komoya kuhlala kuthambekela ukugeleza lapho ukumelana kuncane, ngakho-ke lapho ulungisa amadivayisi kumabhodi wesifunda aphrintiwe, gwema ukuba nomoya omkhulu endaweni ethile. Ukucushwa kwamabhodi wesifunda amaningi aphrintiwe kuwo wonke umshini kufanele unake inkinga efanayo.

F

G. Beka amadivayisi ngokusetshenziswa kwamandla okuphezulu kakhulu nokushisa okuphezulu eduze nendawo engcono kakhulu yokushabalalisa ukushisa. Ungafaki izinto ezishisayo emakhoneni nasemaphethelweni ebhodi eliphrintiwe ngaphandle uma kukhona okokupholisa eduze kwalo. Ekudizayineni kokumelana namandla kukhulu ngangokunokwenzeka ukukhetha idivaysi enkulu, nasekulungisweni kokuhlelwa kwebhodi eliphrintiwe ukuze kube nesikhala esanele sokushabalalisa ukushisa.

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