Zingaki izindlela zokuhlola ezikhona zezingxenye ze-electromagnetic ze-PCB?

Ukuhlola izingxenye zikagesi ze-PCB kuyingxenye ebalulekile yokuhlolwa kwe-PCB.Ngakho-ke, zingaki izindlela zokuhlola ezikhona zezingxenye zikagesi ze-PCB?

1.Ukuhlola ikhoyili evamile

Ukuhlola ikhoyili, ibhuloho ledijithali lingasetshenziswa ukuhlola i-inductance ku-inthanethi.Ngoba imvamisa yokusebenza kwe-ikhoyili ye-inductorngokuvamile ayiphansi, i-inductance ingahlolwa ngemvamisa engaphezu kuka-10kHz.

2. Ukuhlola ikhoyili ye-Transformer

Ngokuhlola inani le-inductance D lekhoyili eyinhloko ye-transformer, singakwazi ukunquma ukuthi i-i-transformerine-inter-turn short circuit.Indlela eqondile yilena: setha ibhuloho ledijithali libe ngu-0.3V noma ngaphansi, ku-10kHz noma ngaphezulu, bese ukala inani lika-D lekhoyili eyinhloko yokudonsa.Uma inani le-D likhulu kuno-0.1, kwahlulelwa ukuthi i-transformer yonakalisiwe futhi ayikwazi ukusetshenziswa.

3. Ukutholwa kwemishini yaseHholo

Izinzwa zehholo zitholakala ngokuphakelwa kwamandla okukodwa kanye namandla akabili, kanye nohlobo lwamanje lokuphumayo kanye nohlobo lokuphuma kwamandla kagesi.Inzwa yokuphakelwa kwamandla eyodwa ayiboni okwamanje, futhi isignali yokuphumayo ngokuvamile iyi-1/2 yokunikezwa kwamandla okukodwa.Uma okwamanje kungu-0, ukuphuma kwesiginali kuchezuka kakhulu kunani eliphakathi.Inzwa ingaphinda ihlolwe ngokwenani ukuze kutholwe ukuthi ingabe inzwa yeHholo ilimele yini.Inzwa yeHholo enamandla akabili aphuma ku-voltage engu-0 uma izwa u-0 wamanje;lapho izwa ngaphandle kuka-0 wamanje, okuhle, okunegethivu kanye nobukhulu bamandla kagesi okukhiphayo kuyashintsha ngobukhulu kanye nesiqondiso samanje esingenziwe.

4. Ukuhlolwa kwama-relay

Amaphutha ajwayelekile okudlulisa ahlanganisa ukunqanyulwa kwekhoyili, abathintwayo abangavali, ukumelana nokuxhumana okuphezulu, nokuxhumana okushile.Indlela engcono kakhulu yokuhlola ukuthi i-relay ijwayelekile yini ukunika amandla i-relay, ukusebenzisa i-voltage elinganiselwe kukhoyili, bese uhlola ukuqhubeka kokuxhumana.

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