Zaj ua ntej
Nyob rau hauv lub ntiaj teb niaj hnub uas cov khoom siv thev naus laus zis muaj nyob rau hauv ib qho dej tsis kawg, ntau cov ntaub ntawv tseem ceeb yog tau muab zais hauv qab lub plhaub pob zeb ci ntsa iab, thiab cov ferrite mos yog ib qho ntawm lawv. Thaum peb siv cov smartphones kom nce hauv internet kom zoo, tswj cov khoom siv hlau kom zoo nkauj, thiab cov khoom sib nqus uas ntsiag to ua si lub luag haujlwm nrog nws cov cim sib nqus. Txawm hais tias nws tsis tshua pom tshwm sim hauv nruab nrab ntawm pej xeem, nws yeej txhawb kev siv tshuab hluav taws xob hauv ntau lub teb, kev sib txuas lus, thiab hluav taws xob. Kab lus no yuav coj koj mus qhia rau koj qhov tsis paub meej ntawm cov khoom siv muag muag, los ntawm kev txhim kho cov xwm txheej los thov kev lag luam thiab cov peev xwm ntawm no "invisible Technology".
Mos Ferrite: ib tus yuam sij qis tab sis tseem ceeb sib nqus khoom siv
Cov Khoom Siv Cov Lus Txhais: Cov Ntsiab Lus thiab Cov yam ntxwv ntawm Mos Ferrites
Mos ferrites, los ntawm cov kev pom ntawm cov khoom muaj pes tsawg leeg, yog hom ntawm cov khoom siv hlau nplaum los ntawm cov hlau oxides (xws li zinc, nickel, thiab lwm yam). Tsis zoo li cov hlau nplaum uas muaj cov khoom siv ruaj khov, nws txoj kev muag khoom "tsis hais txog cov khoom siv lub cev, tab sis tshwj xeeb rau nws cov khoom siv sib nqus
Qhov txiaj ntsig tseem ceeb tshaj plaws ntawm cov khoom no yog nws "yooj yim rau magnetize thiab yooj yim rau demagnetize" cov yam ntxwv. Thaum ib qho kev sib nqus sab nraud sib xyaw ua ke, nws tuaj yeem teb tau sai thiab tsim cov chaw sib nqus muaj zog; Thiab thaum daim teb sib nqus tau raug tshem tawm, nws tuaj yeem rov qab mus rau lub xeev tsis tshua muaj sib nqus. Qhov no "rhiab heev" ua rau nws zoo nyob rau hauv qhov chaw siab tshaj tawm. Piv txwv li, nyob rau hauv ib puag ncig ntau tshaj 1mHz, lub zog poob ntawm cov khoom muag muag yog qhov qis dua li cov khoom sib nqus hlau nplaum. Cov yeeb yaj kiab no ua rau nws cov khoom tseem ceeb rau cov hluav taws xob hluav taws xob hluav taws xob.
Ntxiv rau, mos ferrite kuj muaj qhov ntsuas kub zoo. Tsis pub dhau qhov qee qhov kub thiab txias, nws cov khoom sib nqus yuav tsis tau zoo vim yog qhov kub hloov pauv, uas ua rau nws ua haujlwm ruaj khov ib puag ncig. Qhov kev zoo siab ntawm cov yam ntxwv zoo no tau muab cov ferrite ib txoj haujlwm me me hauv kev tshawb fawb thiab cov txheej txheem thev naus laus zis niaj hnub.
Daim ntawv qhia thov: Lub luag haujlwm tseem ceeb hauv ntau daim teb
(I) teeb liab optimizer rau cov khoom siv hauv tshuab hluav taws xob
Hauv kev hloov hluav taws xob hluav taws xob, daim ntawv thov ntawm cov mos ferrite raws li cov khoom tseem ceeb yog ib qho classic. Thaum ib txwm hloov pauv siv Silicon steel cores, lub zog poob yog loj ntawm cov neeg siab heev, thaum cov khoom muag muag muag tau txo qis los ntawm ntau dua 50% thiab nce lub hwj chim ntom. Noj lub hwj chim adapter ntawm lub laptop ua ib qho piv txwv, lub ntim tuaj yeem txo los ntawm 20%, thaum tswj lub zog hloov pauv tib yam.
Ntawm cov khoom siv inductor, qhov zoo ntawm cov ferrite mos kuj tseem pom tseeb. Nws cov yam ntxwv inductance inductance pab kom nws kom muaj kev cuam tshuam rau cov teeb meem hauv cov lim dej lim thiab tswj kom raug rau cov kab kev resonant. Piv txwv li, hauv RF Circuit Court ntawm lub xov tooj ntawm tes, ib qho me me mos ferrite inductor yog zoo li lub teeb liab kev sib tw ntawm 4G / 5G cov cim thiab zam kev txiav txim siab thaum hu thiab internet nkag tau.
(II) Kev ua haujlwm txhim kho ntawm lub tshuab hluav taws xob
Nyob rau hauv thaj teb ntawm lub zog tshiab lub zog, cov ferrites muag yog tsav thev naus laus zis thev naus laus zis. Nyob rau hauv lub hnub ci inverters, cov kev hloov pauv ntau siv cov khoom siv muag muag tau ntau dua li 98%, uas yog li 5 feem pua cov ntsiab lus siab dua li cov khoom siv hlau tseem ceeb dua. Qhov no txhais tau hais tias 10mw photoovoltaic lub chaw nres tsheb fais muaj peev xwm ua rau 500,000 kw hluav taws xob ntau dua ib xyoos, uas yog sib npaug los txo cov pa roj carbon emissions los ntawm 400 tons.
Hauv kev tswj hwm lub zog zoo ntawm lub hwj chim sib tw, hom kev sib tsoo tau ua los ntawm cov ferrite mos yog qhov tseem ceeb ntawm kev sib cuam tshuam hluav taws xob hluav taws xob. Thaum muaj kev cuam tshuam ntau zaus tam sim no tsim los ntawm kev lag luam cov khoom siv dhau mus, yog tsis txhob ua tiav qhov tsis muaj peev xwm ntawm cov twj paj nruag vim kev cuam tshuam.
(III) Kev ua haujlwm ntawm cov khoom siv hauv tsev neeg
Taug kev mus rau hauv chav ua noj niaj hnub, mos ferrites tuaj yeem pom txhua qhov chaw. Hauv lub rooj sib txoos Magretave ntawm qhov cub microwave, cov sib nqus tus ncej ntawm cov khoom siv microwave (xws li 2450MHz) kom cov zaub mov tuaj yeem ua kom yooj yim. Cov cua sov chew disk ntawm induction cooker siv cov khoom siv cua sov ferrite, uas tsis tuaj yeem tiv thaiv kev sib nqus ntawm kev xau thiab ua kom cov neeg muaj kev nyab xeeb.
Hauv cov neeg siv hloov pauv ntawm cov khoom siv hluav taws xob hauv tsev xws li cov tshuab cua txias thiab tub yees, muag muag ferrite ua haujlwm tseem ceeb ntawm kev smoothing tam sim no. Thaum lub compressor pib, tam sim no hloov pauv zoo heev. Cov khoom muag muag muag hauv lub inductor tuaj yeem hloov kho lub zog hloov pauv tam sim no, txo qhov kev cuam tshuam ntawm lub hwj huam ntawm lub neej.
(IV) Sib Nqus Zaus Ntes Hauv High-end teb
Nyob rau hauv kev thaj teb ntawm cov khoom siv tsheb hluav taws xob, mos ferrite teb sib nqus teb sensors tau rov kho qhov kev tsav tsheb. Lub kauj muag muag muag nyob rau hauv lub kauj lub kaum lub sensor tuaj yeem ntes tau lub kauj tig sib hloov, thiab ua kom tsav tsheb fais fab hluav taws xob, thiab ua kom tsav tsheb tswj tau ntau dua. Hauv kev tswj hwm roj teeb ntawm cov tsheb hluav taws xob hluav taws xob hluav taws xob hluav taws xob, hom kev ntsuas sib nqus, pab ua kom ua kom zoo rau kev faib khoom, thiab nce kev tsav tsheb ntau.
Nyob rau hauv teb ntawm kev muaj tshuab automation, mos ferrite sensors yog siv nyob rau hauv cov kev kub-taws kub qhov chaw nyob rau hauv cov txheej txheem steel. Txawm nyob hauv kev cob qhia rau saum 100 degree, nws tseem tuaj yeem txheeb xyuas qhov chaw thiab kev txav mus los ntawm cov khoom siv hlau, muab kev lav rau kev tswj hwm cov kev tswj hwm ntawm kev ntse.
Kev txhim kho Trajectory: Cov txheej txheem los ntawm kev kuaj cov chaw lag luam
(Kuv) Kev tshawb nrhiav theem thaum ntxov (thaum ntxov xyoo pua)
Txoj kev tshawb no ntawm cov mos ferrites pib los ntawm kev soj ntsuam ntawm ntuj sib nqus minerals. Hauv xyoo 1900s, cov kws tshawb fawb pom tias qee cov khoom siv ntawm cov hlau oxides thiab cov hlau oxides muaj cov khoom sib nqus muaj zog thiab pib sim ua ke hauv chav kuaj. Thaum xyoo 1930, German cov kws tshawb fawb npaj manganese-zinc ferrite thawj zaug, uas qhib lub prelude mus rau kev tshawb fawb ntawm mos ferrites. Txawm li cas los xij, vim cov kev txwv ntawm kev ua haujlwm thev naus laus zis nyob rau lub sijhawm ntawd tsis ruaj khov thiab nws tsuas yog kuaj ntawm ib thaj teb me me xws li Radar Poleadar.
(II) lub sijhawm siv thev naus laus zis (hauv tshuab hluav taws xob thev naus laus zis era)
Thaum xyoo 1950-1970, nrog sawv ntawm semiconductor thev naus laus zis, mos ferrites pab rau txoj hauv kev rau kev txhim kho. Los ntawm kev txhim kho cov txheej txheem Sintering, cov pab pawg tshawb fawb hauv Tebchaws Meskas thiab Nyiv nce lub zog sib xyaw ntawm cov xov tooj cua thiab TV. Xyoo 1970, lub taub hau sib nqus nyeem cov tshuaj tiv thaiv cov ferrites, uas txhawb nqa thawj zaug kev ceev (los ntawm MB rau GB).
(III) Kev Tawm Tsam Kev Tawm Tsam (txij li xyoo pua 21st)
Nyob rau 21st caug xyoo, kev txhim kho ntawm Nanotechnology tau txhaj cov kev loj hlob tshiab rau hauv cov mos ferrites. Los ntawm kev tswj cov noob qoob loo loj tsis pub dhau 100 nanometers, cov kws tshawb nrhiav tau tsim cov khoom sib xyaw ua ke, uas tau sib txuas lus sib xyaw ua ke ntawm 5g kev sib txuas lus hauv paus rau cov khoom sib txuas lus siab. Nyob rau tib lub sijhawm, cov cuab yeej thev naus laus zis tau tshwm sim, sib txuas ua ke, sib xyaw ua ke nrog cov khoom siv polymictable sib nqus rau kev siv cov tshuab hluav taws xob hloov tau.
Cov txheej txheem npaj npaj: tsom xam ntawm qhov zoo thiab qhov tsis zoo ntawm cov kev sib txawv
(I) cov tshuaj tiv thaiv theem-theem: qhov ntsuas tau zoo dua ntawm cov txheej txheem tsoos
Raws li qhov kev npaj npaj loj tshaj plaws, cov txheej txheem ntawm cov txheej txheem-theem cov tshuaj tiv thaiv " Qhov zoo ntawm cov qauv no yog txheej txheem yooj yim, cov khoom lag luam tsis muaj peev txheej, thiab haum rau kev tsim khoom loj. Tam sim no, ntau dua 80% ntawm cov khoom siv muag muag ferrite yog npaj los ntawm tus txheej txheem no. Txawm li cas los xij, nws qhov tsis txaus siab yog cov khoom siv tsis zoo thiab muaj kev hloov pauv loj heev, uas ua rau nws nyuaj kom tau raws li cov kev xav tau ntawm cov kev xav tau ntawm cov qib siab.
(II) Sol-Gel Txuj Ci: ib qho kev sib tawg hauv qhov precisumoughy ntawm kev tshuaj ntsuam ntawm cov tshuaj synthesis
Cov txheej txheem Sol-gel zoo li "molecular kev tsim kho": ua rau muaj kev tswj hwm tus nqi sam, tsim cov gel thiab tom qab ntawd kho nws kom muaj nano-ferrite hais. Qhov zoo dua ntawm hom qauv no yog tias nws tuaj yeem tsim cov tshuaj lom neeg thiab cov khoom siv nrog cov khoom lag luam loj (50.9%, uas haum rau cov khoom lag luam high-zaus sib nqus. Txawm li cas los xij, cov txheej txheem yog cov nyom thiab tus nqi yog qhov siab. Nws yog tam sim no siv nyob rau hauv cov tub rog thiab aerospace teb.
(III) Hydrothermal Txujci: Crystal tswj nyob rau hauv kev kub siab
Lub hauv paus ntsiab lus ntawm cov txheej txheem hydrothermal zoo ib yam li "seabed crystallization": rov qab℃thiab 10-100mpa, thiab loj hlob ferritery nyob rau hauv ib qho kev daws teeb meem aqueous. Cov ntaub ntawv npaj los ntawm cov qauv no muaj ntau cov crystallinity, thiab ruaj khov sib nqus cov khoom, thiab yog tshwj xeeb yog tsim nyog rau kev npaj cov ntaub ntawv siab rau cov hau sib nqus. Txawm li cas los xij, cov khoom siv kim heev, txoj haujlwm yog cov nyom, thiab kev ua haujlwm ntau dua, uas txwv nws cov ntawv thov loj.
(Iv) txoj kev hloov pauv: kev tshawb nrhiav cov kev sib txawv ntawm kev daws teeb meem
The coprecipitation method is like "chemical coloring": after mixing multiple metal salt solutions, a precipitant is added to precipitate the metal ions at the same time to form a uniform precursor powder, which is then sintered to obtain ferrite. This method is characterized by good uniformity of composition and can produce materials with high magnetic permeability (μi>50000), uas yog haum rau cov cores fais fab. Txawm li cas los xij, cov kabmob ions tau yooj yim qhia thaum lub sijhawm ua haujlwm nag dej, thiab cov tshuaj tiv thaiv kev tswj hwm. Tam sim no, nws tau siv dav hauv nruab nrab-rau-siab-kawg-kawg kev ua lag luam.
Yav tom ntej Outlook: Dual Evolution ntawm Kev Ua Haujlwm thiab Kev Tiv Thaiv Ib Cheeb Tsam
(I) kev txhim kho kev txhim kho
Nyob rau yav tom ntej, mos sib nqus ferrites yuav tsim muaj nyob rau hauv cov kev taw qhia ntawm "peb lub zog sib nqus (phiaj xwm ntsuas qhov kub tshaj plaws (kev ua haujlwm siab dua ( Nanocrystalline Composite Technology yuav dhau los ua kev tsom xam, thiab kev ua kom muaj zog ntawm cov khoom sib nqus ntawm cov khoom siv Nanoscale thib ob rau hauv cov ferrite matrix. Piv txwv li, doping nano zirconium oxide hauv manganese-zinc ferrite tuaj yeem txo cov peev txheej ntawm cov neeg siv khoom siv hluav taws xob tom ntej.
(II) Txoj kev loj hlob ntsuab
Lub kev tiv thaiv ib puag ncig yog tsav lub "ntsuab kiv puag ncig" ntawm cov mos ferrites. Ntawm ib sab tes, txhuas dawb thiab cadmium-pub dawb ib puag ncig cov qauv yog tsim, xws li hloov qee cov hlau hnyav nrog cov magnesium thiab calcium. Tam sim no, EU RoHS-ntawv pov thawj Cov khoom lag luam muag muag cov khoom lag luam rau 60% ntawm kev ua lag luam. Ntawm qhov tod tes, cov thev naus laus zis ntawm cov pov tseg tau kawm. Los ntawm kev ntsuas kub siab-sib cais-sib nqus kev sib cais, hlau, zinc thiab lwm yam hlau nyob hauv cov hlau nplaum hauv lub sib nqus Nws yog qhov yuav tsum tau tsim kho cov txiaj ntsig ntsuab yuav them 70% ntawm cov peev txheej ntau lawm hauv 2030.
Los ntawm cov ntaub ntawv tsis muaj cov ntaub ntawv hauv chav kuaj kom txhawb nqa cov thev naus laus zis niaj hnub, thiab tus yuam sij thiab muaj zog "kev siv thev naus laus zis nrog ze li ib puas xyoo ntawm kev loj hlob. Thaum lub teeb liab pej thuam ntawm 5G chaw nres tsheb xa cov tsheb kub siab, thiab thaum lub cev muaj zog ntawm lub tsev muaj zog tshiab tau meej, thiab thaum lub luag haujlwm loj heev "ib txwm ua lub luag haujlwm tsis meej. Nrog rau kev txhim kho txuas ntxiv ntawm kev ua tau zoo thiab kev nce qib ntawm kev tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv hauv internet