litaba

Boholo ba mehele ea makenete e hloka ho penta ho thusa ho khetholla. Ka kakaretso, motsoako oa tšepe oa tšepe o khetholloa ka mebala e 'meli. Tse sebelisoang hangata ke tse khubelu / tse pepeneneng, tse mosehla / tse khubelu, tse tala / tse khubelu, tse tala / tse putsoa le mosehla / tšoeu. Lesale la mantlha la manganese hangata le pentiloe ka botala, tšepe-silicon-aluminium ka kakaretso e ntšo joalo-joalo. Ha e le hantle, 'mala oa lesale la makenete ka mor'a ho thunya ha o amane le ho daea ha pente e fafalitsoeng hamorao, ke tumellano feela indastering. Ka mohlala, tala emela phahameng permeability makenete reng; mebala e 'meli emela tšepe phofo konokono makenete reng; e ntšo e emetse tšepe-silicon-aluminium magnetic ring, joalo-joalo.
(1) Reng e phahameng ea matla a khoheli
Magnetic ring inductors, re tlameha ho re nickel-zinc ferrite magnetic ring. Lesale la makenete le arotsoe ka nickel-zinc le manganese-zinc ho latela thepa. The magnetic permeability ea nickel-zinc ferrite magnetic ring materials hajoale e sebelisoa ho tloha 15-2000. Thepa e sebelisoang hangata ke nickel-zinc ferrite e nang le matla a khoheli a 100- Pakeng tsa 1000, ho latela sehlopha sa matla a khoheli, e arotsoe ka lisebelisoa tse tlase tsa matla a khoheli. Matla a khoheli a matla a manganese-zinc ferrite ring ring hangata a kaholimo ho 1000, ka hona selikalikoe sa makenete se hlahisoang ke manganese-zinc se bitsoa high permeability magnetic ring.
Masale a makenete a nickel-zinc ferrite hangata a sebelisoa bakeng sa lithapo tse fapaneng, liboto tsa potoloho, le ho thibela tšitiso ea lisebelisoa tsa khomphutha. Masale a khoheli a manganese-zinc ferrite a ka sebelisoa ho etsa li-inductors, li-transformer, li-filter cores, lihlooho tsa makenete le melamu ea antenna. Ka kakaretso, ho theola matla a ho kenella ha lintho, ho ba le bophara ba maqhubu a sebetsang; ha matla a phunyeletsoa a phahame, 'me maqhubu a sebetsang a fokotseha.
(2) Lesale la motsoako oa tšepe

Iron powder core ke lentsoe le tsebahalang bakeng sa magnetic material ferric oxide, e sebelisoang haholo lipotolohong tsa motlakase ho rarolla mathata a khokahano ea motlakase (EMC). Ts'ebetsong e sebetsang, lintho tse ling tse fapaneng li tla eketsoa ho latela litlhoko tse fapaneng tsa ho sefa lihlopheng tse fapaneng tsa maqhubu.
Li-cores tsa pele tsa matla a khoheli li ne li "kopane" tsa tšepe tse bonolo tse entsoeng ka tšepe-silicon-aluminium alloy magnetic powders. Mokotla ona oa tšepe-silicon-aluminium magnetic powder o atisa ho bitsoa "tšepe ea phofo ea mantlha". Mokhoa oa eona o tloaelehileng oa ho itokisa ke: sebelisa Fe-Si-Al alloy magnetic powder ho batalatsoa ka ho sila ka bolo le ho apesoa ka lesela la insulating ka mekhoa ea lik'hemik'hale, ebe o eketsa ka 15wt% binder, kopanya ka mokhoa o ts'oanang, ebe hlobo le ho tiisa, ebe o phekola mocheso. ( khatello ea maikutlo) ho etsa lihlahisoa. Sehlahisoa sena sa setso sa "iron powder core" se sebetsa haholo ho 20kHz∼200kHz. Hobane li na le matla a phahameng haholo a matla a khoheli ho feta li-ferrite tse sebetsang sehlopheng se le seng sa frequency, litšobotsi tse ntle tsa DC superposition, haufi le zero magnetostriction coefficient, ha ho lerata nakong ea ts'ebetso, botsitso bo botle ba maqhubu, le tekanyo e phahameng ea litheko. E sebelisoa haholo likarolong tsa elektronike tse kang li-transformer tse phahameng tsa elektronike. Bothata ba bona ke hore ho tlatsa ho se nang makenete ha ho hlahise dilution ea makenete feela, empa hape ho etsa hore tsela ea magnetic flux e khaotse, 'me demagnetization ea sebakeng seo e lebisa ho fokotseha ha matla a khoheli.
Motsoako o sa tsoa etsoa o phahameng oa ts'ebetso ea tšepe ea tšepe o fapane le motsoako o tloaelehileng oa tšepe-silicon-aluminium magnetic powder core. Thepa e tala e sebelisoang ha se phofo ea alloy magnetic empa e entsoe ka tšepe e hloekileng e koahetsoeng ka lera le sireletsang. Palo ea binder e nyane haholo, kahoo matla a khoheli a matla a maholo. ho eketseha ka boholo. Ba sebetsa sehlopheng sa maqhubu a mahareng a tlase ho 5kHz, ka kakaretso makholo a 'maloa a Hz, a tlase haholo ho feta maqhubu a sebetsang a FeSiAl magnetic powder cores. Mmaraka o reriloeng ke ho nka sebaka sa lishiti tsa tšepe tsa silicon bakeng sa li-motor ka tahlehelo ea eona e tlase, ts'ebetso e phahameng le bonolo ba moralo oa 3D.
Magnetic Ring Inductor
(3) Lesale la khoheli la FeSiAl
Lesale la makenete la FeSiAl ke e 'ngoe ea mehele ea makenete e nang le sekhahla se phahameng sa ts'ebeliso. Ka mantsoe a bonolo, FeSiAl e entsoe ka aluminium-silicon-aron 'me e na le Bmax e batlang e phahame (Bmax ke karolelano ea Z ea boholo sebakeng sa cross-sectional ea magnetic core. Magnetic flux density.), tahlehelo ea matla a eona a khoheli e tlase haholo ho feta motsoako oa tšepe oa tšepe le phallo e phahameng ea matla a khoheli, e na le magnetostriction e tlaase (lerata le tlaase), ke thepa ea polokelo ea matla e theko e tlaase, ha e na botsofali bo chesang, e ka sebelisoang ho nkela phofo ea tšepe sebaka sa motheo se tsitsitse haholo mocheso o phahameng.
Likarolo tse ka sehloohong tsa FeSiAlZ ke tahlehelo e tlase ho feta li-cores tsa tšepe le litšoaneleho tse ntle tsa DC bias. Theko ha e phahameng ka ho fetisisa, empa ha e tlaase ka ho fetisisa, ha e bapisoa le tšepe ea tšepe ea mantlha le tšepe ea nickel molybdenum.
Mokotla oa tšepe-silicon-aluminium magnetic powder o na le thepa e babatsehang ea khoheli le matla a khoheli, tahlehelo ea matla a tlaase le matla a phahameng a matla a khoheli. Ha e sebelisoa sebakeng sa mocheso oa -55C ~ + 125C, e na le ts'epahalo e phahameng joalo ka ho hanyetsa mocheso, ho hanyetsa mongobo le ho hanyetsa ho sisinyeha;
Ka nako e ts'oanang, ho na le mefuta e mengata ea ho phunyeletsa ea 60 ~ 160. Ke khetho e ntle ka ho fetisisa ea ho chencha phepelo ea motlakase e choke coil, inductor ea PFC le inductor ea resonant, e nang le ts'ebetso e phahameng ea litšenyehelo.