Maginito a Mphete a Ma speaker ndi Ma Loudspeaker: Chifukwa Chake Akatswiri a Audio Amasankha Ring Geometry

Maginito a mphete ya Neodymium amagwira ntchito bwino kuposa maginito ooneka ngati disk mu makina olankhulira. Kugawa kwa flux kokonzedwa bwino kumapereka BL factor yokwera ndi 15%, kufika pa 92 dB/W/m, poyerekeza ndi 87 dB/W/m pa mayankho ofanana a ferrite. Mawonekedwe a mphete amapereka kufalikira kwa maginito kofanana pa ulendo wonse wa mawu, kukakamiza kusokonezeka kwa harmonic (THD) pansi pa 1% pa 1 W / 1 kHz. Bore yapakati imalola kusonkhana kwa pole piece kwa zomangamanga ziwiri zamaginito ndikuwongolera kutayika kwa kutentha - mwayi wofunikira kwambiri pazida zamawu zaukadaulo zomwe zimagwira ntchito yopitilira mphamvu yopitilira 200 W.

Nkhaniyi yoyang'ana kwambiri pa uinjiniya imagwiritsa ntchito deta yoyezera magwiridwe antchito kuti ifotokoze ubwino wa mawonekedwe a maginito a mphete ya neodymium pakupanga mawu okweza mawu:

• Kuwonjezeka kwa 15-22% kwa BL-factor ndi kuwonjezeka kwa 4-5 dB poyerekeza ndi maginito a mtundu wa disc-style

• Mfundo zogwirira ntchito ndi malangizo osankhidwira magulu awiri a maginito ndi ma coaxial

• Malangizo ofunikira a mawoofers, madalaivala apakatikati, ma tweeter ndi mayunitsi athunthu

• Nzeru yosankha magiredi a N42, N48 ndi N52 (magiredi apamwamba nthawi zonse safanana ndi magwiridwe antchito abwino)

• Kusinthanitsa ma coverage: kulinganiza makulidwe a coverage ndi malire a mpweya kuti pakhale magwiridwe antchito a audio.

Kodi n’chiyani chimapangitsa kuti maginito a mphete akhale osiyana ndi maginito a ma disc mu kapangidwe ka loudspeaker?

Maginito a geometry amakhudza kwambiri magwiridwe antchito a mawu kuposa momwe opanga ambiri amaganizira. Ngakhale kuti maginito a mphete amaoneka kuti amasiyana ndi maginito a disc chifukwa cha dzenje lapakati, mawonekedwe awa enieni amasintha kwambiri malire apamwamba a magwiridwe antchito a maginito.

Fiziki ya Jiometri ya Mphete: Kugawa kwa Symmetric Flux

Ubwino waukulu wa maginito a mphete uli mu magnetic flux symmetry. Pa maginito a disc, flux imatuluka kuchokera pakati ndikutsika kupita m'mphepete, zomwe zimapangitsa mphamvu yosagwirizana pa voice coil kudutsa excursion. Mu mapangidwe a ring magnet, flux imakhazikika mkati mwa annular zone pakati pa mainchesi amkati ndi akunja ndipo imapanga mphamvu ya axial magnetic yofanana kwambiri.

• Maginito ooneka ngati diski: kuchuluka kwa ma flux kumatsika ndi 15-25% kuchokera pakati kupita m'mphepete; mawu amalandira mphamvu yosagwirizana paulendo waukulu

• Maginito ooneka ngati mphete: kufanana kwa kayendedwe ka mpweya kumapitirira 95% mkati mwa mpweya wokwanira; mphamvu yokhazikika ya mawu pamlingo wonse woyendera

• Zotsatira zenizeni: THD yotsika, chifukwa zinthu zopangidwa ndi maginito zomwe sizili zofanana zimachepetsedwa.

Momwe Central Bore Imathandizira Kuphatikizana kwa Ndodo

Chibowo chapakati si chinthu chamakina chokha; chimapanga mawonekedwe ofunikira kuti pakhale malo okwanira olumikizirana maginito.

• Chidutswa cha ndodo chimadutsa pakati pa dzenje ndikumaliza kuzungulira kwa maginito: ndodo yakunja → mpata wa mpweya → chidutswa chamkati cha ndodo → kubwerera ku ndodo yakunja

• Kapangidwe kameneka kamapangitsa kuti mphamvu ya maginito ya mpweya isagwire bwino ntchito ndipo kamachepetsa kutuluka kwa maginito.

• Mpata wapakati umagwiranso ntchito ngati njira yopititsira mpweya, kusuntha kutentha kutali ndi cholumikizira mawu ndikuchepetsa mphamvu ya kupsinjika.

Maginito ooneka ngati diski amatha kugwirizana ndi zidutswa za pole, komabe mawonekedwe a ring magnet amapangitsa kuti pole ikhale gawo lofunikira la circuit m'malo mwa add-on component. Kusiyana kumeneku kumakhala koonekera kwambiri mu kapangidwe ka dual magnetic circuit.

Kugwiritsa Ntchito Magnetic Circuit Moyenera: Kuyerekeza kwa Mphete vs Disc BL Factor

BL-factor ndiye muyeso wofunikira kwambiri wa magwiridwe antchito a maginito a loudspeaker, zomwe zimapangitsa kuti mphamvu yoyendetsera igwire bwino ntchito pamagetsi olowera.

• Pansi pa miyeso yofanana, maginito a mphete amapereka BL factor yokwera ndi 15-22% kuposa maginito ofanana ndi a disc.

• Choyambitsa: kugwiritsa ntchito bwino mphamvu ya maginito, kuchepetsa kutuluka kwa madzi ndi mphamvu ya maginito yozungulira mkati mwa kapangidwe ka maginito.

• Chitsanzo choyezedwa: maginito a mphete ya 80 mm OD ophatikizidwa ndi coil ya mawu ya 2.5 inchi yotulutsa ~22% BL factor uplift

Zotsatira za mawu a BL-factor yapamwamba: kuyankha kwachangu (kuukira mwachangu ndi kuwonongeka), kuchepetsa kutsika kwa ma frequency komanso kukhudzidwa kwambiri ndi dongosolo.

● Onani mitundu yathu yosiyanasiyana yaMaginito a mphete ya neodymium amapezeka m'makonzedwe onse okhazikika komanso opangidwa ndi wokamba nkhani..

 

Ubwino wa Acoustic wa Ring Geometry mu Kapangidwe ka Sipika

Ubwino wa mawu a ring geometry ukhoza kuwerengedwa kudzera mu magawo anayi oyezeka: kukhudzidwa, kuyankha kwakanthawi, kupotoza, ndi kukhazikika kwa kutentha.

Pogwira ntchito ndi makasitomala a OEM a audio, Fullzen Technology yatsimikizira kusintha kwa magwiridwe antchito padziko lonse lapansi.

Kuwonjezeka kwa Kukhudzidwa ndi Kukhudzidwa: Kuwonjezeka kwa Zinthu za BL

Kuzindikira kumatanthauza kutulutsa kwa mphamvu ya mawu pa mphamvu yolowera.

• Cholankhulira cha maginito cha mphete ya Neodymium: ≥92 dB/W/m

• Sipika ya maginito ya ferrite yofanana kukula: 87‑88 dB/W/m

• Kusiyana kwa magwiridwe antchito: 4‑5 dB, zomwe zikuyimira phokoso lalikulu pafupifupi 60% pa mphamvu yofanana yolowera

Kuwonjezeka kwa mphamvu ya sensitivity sikungochokera ku zinthu za NdFeB (BHmax 8 × 10 × ferrite) komanso kuchokera ku 15 22% BL factor gain yomwe imathandizidwa ndi ring geometry. Pophatikizana, izi zimapereka kukweza komaliza kwa 4 5 dB.

Yankho Lakanthawi: Kuyenda Mochepa, Kuwola Mofulumira

Yankho la kanthawi kochepa limayang'anira momwe cholankhulira chimasinthira molondola mawu osinthira nyimbo monga kugunda kwa ng'oma ndi ma harmonics a zingwe.

• Magulu a maginito a mphete ndi opepuka kwambiri kuposa njira zina za ferrite (6-10 × kuchepetsa kulemera kwa maginito kuti agwirizane ndi maginito), kuchepetsa kulemera konse kwa dongosolo loyenda.

• Kuchepa kwa kuchuluka kwa zinthu zomwe zimayenda kumabweretsa kuukira mwachangu komanso kuberekana kwachangu.

• Yankho loyesedwa: maginito a neodymium ring assemblies akuwonetsa kuwonongeka mwachangu kwa 30-40% poyerekeza ndi machitidwe okhala ndi ferrite

Kuyankha kolondola kwakanthawi ndikofunikira kwambiri pa ma studio monitors ndi ma high-fidelity loudspeakers — zomwe zikufotokoza chifukwa chake zida zamawu apamwamba kwambiri zimagwiritsa ntchito njira zama neodymium ring magnet.

Kuchepetsa Kupotoza: Ulendo Wofanana Wodutsa Pa Voice Coil

Kuchepetsa kupotoza ndi chimodzi mwazabwino kwambiri za mawonekedwe a maginito a mphete.

• Maginito a mphete amapanga malo ofanana a maginito mkati mwa mpata wa mpweya; cholembera cha mawu chimalandira mphamvu yokhazikika panthawi yonse yoyenda

• THD yoyezedwa: sipika ya neodymium ring-magnet < 1 % THD @ 1 W / 1 kHz

• Kuyerekeza koyambira: maginito a ferrite ooneka ngati diski nthawi zambiri amapereka 2-3% THD pansi pa mikhalidwe yofanana yoyesera.

• Mtundu wa maginito awiri: THD < 5% @ 100 Hz / 500 W high-power testing; makina a maginito a disc nthawi zambiri amangopeza 8% THD yokha

Kuchepa kwa kusokonezeka kumachitika chifukwa cha kufalikira kwa ma symmetric flux, zomwe zimapangitsa kuti kusintha kwa BL product kuchepe pamene voice coil ikuchoka pamalo opumulira.

Kusamalira Kutentha kwa Madzi kudzera mu Center Bore Airflow

Pa nthawi ya ntchito yamphamvu kwambiri, kutentha kwa mawu kumatha kufika 200-300 °C. Kutaya kutentha bwino kumayambitsa:

• Kukana kwa mawu okweza → kukanikiza mphamvu → kuchepa kwa mphamvu

• Kutentha kwa maginito → chiopsezo cha kuchotsedwa kwa maginito ndi kutayika kwa magwiridwe antchito kosatha

Chitoliro chapakati cha maginito cha mphete chimapereka njira yachilengedwe yoyendera mpweya, kusuntha kutentha kutali ndi cholumikizira mawu. Ubwino uwu wa kutentha umaonekera pamene mphamvu yamagetsi ikupitilira:

• Zotsatira zomwe zayesedwa: kukwera kwa kutentha kwa mawu ndi 15-25 °C kotsika pa ma ring magnet assemblies poyerekeza ndi ma disc magnet equivalents

• Zotsatira zake: kuchepa kwa mphamvu, mphamvu yokhazikika ya maginito komanso nthawi yayitali yogwirira ntchito

 

Kugwiritsa Ntchito Maginito a Ring ndi Mtundu wa Sipika

Zofunikira pa maginito zimasiyana kwambiri malinga ndi gulu la zokuzira mawu. Ma subwoofers awiri a maginito ndi ma coaxial tweeter assemblies ali ndi zoletsa zosiyana kwambiri pakupanga.

Mitundu yosiyanasiyana ya ma speaker ili ndi zofunikira zosiyana kwambiri pa maginito a mphete. Mfundo zazikulu zoti musankhe mtundu woyenera zafotokozedwa pansipa pa mitundu yonse inayi ikuluikulu ya ma speaker.

Woofers ndi Subwoofers: Kapangidwe ka Dual Magnetic Circuit

Ma woofers ndi ma subwoofers ndi malo ofunikira kwambiri pakugwiritsa ntchito maginito a mphete, omwe amafuna mphamvu ya BL-factor komanso mphamvu yotsika ya ma frequency.

• Topology yomwe imakonda: dera la maginito awiri; maginito awiri ozungulira ophatikizidwa ndi T-yoke ndi pole-piece

• Ubwino wa maginito awiri: BL factor yokwera ndi 30-50%, flux uniformity yabwino komanso kusokonezeka kwa harmonic kochepa

• Magiredi Ovomerezeka: N42 (mphamvu yokhazikika), N45 / N48 (mapangidwe amphamvu kwambiri kapena ang'onoang'ono)

• Zophimba zomwe zikulangizidwa: Ni‑Cu‑Ni (yokhazikika), epoxy (kuyika chinyezi m'malo ozungulira)

Mafotokozedwe wamba a subwoofer ya mainchesi 12:

• OD: 110‑130 mm, ID: 55‑65 mm, makulidwe: 15‑20 mm pa mphete iliyonse (ma ring awiri a maginito awiri)

• Giredi: N42 kapena N45

• Chophimba: Ni‑Cu‑Ni

●Onanimaginito akuluakulu a mphete ya neodymiumkwa ma subwoofer amphamvu kwambiri.

Maginito a mphete a subwoofer ndi amodzi mwa mizere yayikulu kwambiri ya Fullzen. Pa maoda a maginito awiri, timatsimikizira kuti ma flux a batch-to-batch ndi ofanana mkati mwa ±3%.

Madalaivala a Midrange: Topology ya Magnetic yamkati ndi yakunja

Madalaivala apakati ayenera kulinganiza mphamvu yamagetsi komanso magwiridwe antchito otsika.

• Topology ya maginito amkati: maginito amakhala mkati mwa coil ya mawu; malo ocheperako, mphamvu yamagetsi yamagetsi yamphamvu, yoyenera mapangidwe ocheperako

• Topology ya maginito akunja: maginito amazungulira mawu; kutentha kwapamwamba kwambiri, koyenera kugwiritsidwa ntchito nthawi zonse ndi mphamvu zambiri.

• Giredi yovomerezeka: N42 (yoyenera kwambiri pa mayunitsi ambiri apakati)

• Zophimba zomwe zikulangizidwa: Ni‑Cu‑Ni kapena zinc (zotsika mtengo komanso zotsutsana ndi dzimbiri mokwanira)

Mafotokozedwe wamba a dalaivala wapakati wa mainchesi 6.5:

• OD: 70‑90 mm, ID: 35‑45 mm, makulidwe: 8‑12 mm

• Giredi: N42

Ma Tweeters ndi Madalaivala Opondereza: Maginito a Ring a Coaxial Alignment

Ma Tweeter ndi ma compressor a compression amapereka zofunikira ziwiri zazikulu: malo ochepa komanso kulondola kwakukulu.

• Ma tweeter a maginito a mphete amagwiritsidwa ntchito kwambiri mkati mwa mapangidwe a coaxial, komwe diaphragm ya tweeter imakhala pakati pa diaphragm ya woofer yomwe imagawana mzere wofanana wa acoustic.

• Bore yapakati imalola kuti maginito a tweeter azitha kukhala mkati mwa maginito a woofer, zomwe zimathandiza kuti mawu amveke bwino.

• Magiredi Ovomerezeka: N45 kapena N52 (chinthu chaching'ono chimafuna kuchuluka kwa flux kuti chithandizire kuchuluka kwa maginito kochepa)

• Chophimba chomwe chikulangizidwa: Ni‑Cu‑Ni (chivundikiro chopyapyala chimasunga kulondola kwa mipata ya mpweya)

Zomwe zimachitika pa tweeter ya mainchesi 1:

• OD: 25‑40 mm, ID: 10‑15 mm, makulidwe: 3‑6 mm

• Giredi: N45 kapena N52

Zolankhula Zonse: Kulinganiza BL Factor ndi Kulemera

Madalaivala a Full-range amabalanso bass, mid-range ndi treble kuchokera ku unit imodzi, zomwe zimapangitsa kuti pakhale zovuta zokhudzana ndi maginito.

• Cholinga cha kapangidwe: kukulitsa BL-factor mkati mwa miyeso yochepa pamene mukuchepetsa kusuntha kwa kusonkhana

• Njira yolangizira: sankhani giredi ya N42 kapena N45; onjezerani makulidwe a maginito kuti muwonjezere mphamvu ya maginito yonse komwe malo enieni amalola

• zokutira zovomerezeka: Ni‑Cu‑Ni (kuchuluka kocheperako)

Mafotokozedwe wamba a driver wa mainchesi 4 full-range:

• OD: 55‑70 mm, ID: 25‑35 mm, makulidwe: 8‑10 mm

• Giredi: N42

 

Kusankha NdFeB Giredi Yoyenera (N35–N52) ya Maginito a Mphete ya Sipika

Kuchuluka kwa neodymium sikungotanthauza kuti mawu okweza amagwirira ntchito bwino. Kusankha magiredi kuyenera kulinganiza mphamvu ya maginito, kukhazikika kwa kutentha ndi mtengo wonse wa makina.

Chifukwa Chake N42 Ndi Malo Oyenera Kwambiri Pa Mapulogalamu Ambiri Omvera

N42 imayimira bwino kwambiri pamakina ambiri olumikizirana mawu.

• Mphamvu ya maginito: Br ~1.3 T, BHmax ~42 MGOe, zomwe zimapereka BL-factor yokwanira pamapulojekiti ambiri a loudspeaker

• Kutentha: kutentha kwakukulu kogwiritsira ntchito kwa N42 ndi 80 °C, kokwanira kugwiritsa ntchito mawu amkati ndi zida zamawu zaukadaulo zapakatikati

• Kugwiritsa ntchito bwino ndalama: Mitengo ya N42 ili pa 70‑80% ya N48 ndi 60‑70% ya N52

• Kuthekera kopanga: kukakamiza pang'ono kumapangitsa kuti maginito azigwira ntchito mosavuta komanso kuwongolera njira zopangira zinthu zikhale zosavuta.

M'malo olumikizirana ma speaker a Fullzen, N42 imanyamula ma voliyumu opitilira 65%, ndipo imaphimba ma speaker a mabuku a ogula kudzera mu makina aukadaulo olumikizirana mizere.

Unikani zambiri zonse zokhudza maginito a mphete ya N42 neodymium omwe amapangidwira kupanga ma audio OEM ambiri.

Nthawi Yosinthira ku N48 / N52: Mapangidwe Ochepa Kukula

Tchulani N48 kapena N52 makamaka pamene makina ozungulira amachepetsa kukula kwa maginito ndipo kuchuluka kwa maginito kuyenera kulipira kuchuluka kwa maginito komwe kulipo.

• Magwiritsidwe ntchito kawirikawiri: ma speaker ocheperako, ma installation mkati mwa makoma, ma audio a magalimoto (malo ochepa kwambiri)

• Kukweza mphamvu ya maginito: N48 imapereka mphamvu ya maginito yamphamvu ya ~15% kuposa N42; N52 imapereka mphamvu ya ~25% poyerekeza ndi N42.

•Chidziwitso chofunikira: chiganizo chokhazikika N48 / N52 nthawi zambiri imathandizira kutentha kwakukulu kwa 60-80 °C kokha; kuyika mphamvu zambiri kumafuna kuyang'anira kutentha bwino

●Kuti muyerekezere bwino ma specifications a N42-grade, onani “Maginito a Mphete a N42 Neodymium Okonzedwa Kuti Agwiritsidwe Ntchito ndi Opanga Ma Audio OEM"

 

Magiredi Otentha Kwambiri (SH / UH / EH): Osakambirana pa Katswiri Womvera

Kutentha kwa mawu mu zokamba mawu zaukadaulo kumatha kufika 150-300 °C pansi pa drive yosalekeza. Ngakhale kutentha kwa pamwamba pa maginito kumakhala kotsika, nthawi zambiri kumapitirira 100 °C.

• SH grade: 150 °C kutentha kwakukulu kogwirira ntchito — koyenera ma PA ambiri akatswiri komanso ma linear loudspeaker

• UH grade: 180 °C kutentha kwakukulu kogwirira ntchito — kwa mawotchi amphamvu okhazikika

• Giredi ya EH: 200 °C kutentha kwakukulu kogwirira ntchito — kugwiritsa ntchito kutentha kwambiri

Maginito ogwiritsira ntchito pamwamba pa kutentha kwawo amachititsa kuti magetsi asamayende bwino, zomwe zimachepetsa mphamvu ya mawu olankhulira popanda njira yopezera mphamvu ya maginito. Izi ndi imodzi mwa njira zotsika mtengo kwambiri zolephera kugwiritsa ntchito zida zolankhulira.

Njira yabwino kwambiri: tchulani kuchuluka kwa kutentha komwe kuli ndi malire otetezeka a 20-30 °C kuposa kutentha kwakukulu komwe kumayembekezeredwa kwa maginito.

Maginito a Mphete ya NdFeB vs Maginito a Mphete ya Ferrite: Kuyerekeza Koyendetsedwa ndi Deta

Kuyerekeza kumeneku kumayang'ana kwambiri pa kusinthana kwa geometry kwa mainjiniya a ma loudspeaker, osati chidule cha katundu wa zinthu wamba.

Kulemera ndi Kuchuluka kwa Magwiridwe Antchito: Pamene Neodymium Ikutsimikizira Mtengo

Miyeso yofunika kwambiri yoyerekeza:

• BHmax: NdFeB N42 ~42 MGOe; ferrite Y35 ~3.5 MGOe (kusiyana kwa ~12 ×)

• Kulemera kwa maginito ofanana: neodymium ndi yopepuka 6‑10 × kuposa ferrite

• Mtengo wa zinthu: neodymium imadula 5‑10 × kuposa ferrite

Kuchuluka kwa mtengo: pamene cholinga cha BL-factor chikuposa 12 T·m, mtengo wonse wa dongosolo (maginito, kapangidwe ka makina, kutumiza) ukhoza kutsika pa neodymium assemblies. Ferrite ingafunike kuchuluka kwa maginito ndi nyumba zolemera za makina kuti ikwaniritse BL-factor yofanana.

Chitsanzo cha woofer waukadaulo wa mainchesi 15: msonkhano wa neodymium ~1‑1.5 kg; msonkhano wa ferrite ~6‑8 kg. Kusiyana kwakukulu kwa kulemera kumakhudza mwachindunji kunyamula makabati ndi ndalama zoyikira.

Khalidwe la Kutentha Likugwira Ntchito Mosalekeza ndi Mphamvu Yaikulu

Uku ndi kusiyana kwa zinthu zomwe nthawi zambiri sizimayamikiridwa:

• Kutentha kwa Ferrite Curie ~450 °C, kokwera kwambiri kuposa NdFeB (310‑400 °C). Papepala ferrite imawoneka yolimba kwambiri pa kutentha.

• Kukakamiza kwa Ferrite kumawonjezeka ndi kutentha komwe kumawonjezeka, zomwe zimapangitsa kuti mphamvu ya anti-demagnetization igwire bwino ntchito pa kutentha kokwera.

• Kukakamiza kwa NdFeB kumatsika kutentha kukakwera; motero ma SH / UH okwera kutentha kwambiri amafunika pa ma assemblies omwe amakumana ndi vuto la kutentha.

Tanthauzo lenileni: Zoulutsira mawu za neodymium zimafuna kapangidwe kabwino ka kutentha. Komabe, pamene kuziziritsa kwa mpweya wa ring-magnet central-bore kukuchitika, ma neodymium assemblies amatha kukhala odalirika mofanana ndi machitidwe a ferrite-magnet.

Kusankha Zophimba Maginito a Mphete ya Sipika: Kupitilira Kuteteza Kudzimbiri

Pa maginito a audio grade, magwiridwe antchito a kupaka amapitirira kuletsa dzimbiri. Kukhuthala kwa kupaka kumakhudza mwachindunji kulekerera kwa mpweya komanso kukhazikika kwa mawu kwa nthawi yayitali - mfundo yomwe nthawi zambiri imaiwalika kwa ogula.

Ni‑Cu‑Ni vs Epoxy vs Zinc: Kusinthanitsa kwa Mapulogalamu a Audio

• Ni‑Cu‑Ni (Nickel‑Copper‑Nickel): Kumaliza kwabwino kwa mafakitale, makulidwe a 7‑25 μm, kukana kupopera mchere kwa maola >48. Kuchepa kwa mpweya pang'ono. Koyenera makina ambiri olankhulira m'nyumba.

• Chophimba cha epoxy: makulidwe a 10-30 μm (chokhuthala kuposa Ni-Cu-Ni); chimalimbana ndi mankhwala ambiri, koma chimafuna mpweya wowonjezera. Chigwiritsidwe ntchito m'malo akunja / chinyezi chambiri.

• Chophimba cha zinki: makulidwe a 4‑12 μm (njira yopyapyala kwambiri), mtengo wotsika kwambiri wa zinthu, kukana dzimbiri kochepa poyerekeza ndi Ni‑Cu‑Ni. Choyenera zinthu zomwe zimayang'ana kwambiri mtengo wa zinthu zomwe ogula amagwiritsa ntchito.

• Chophimba cha Parylene: chopyapyala kwambiri (5‑10 μm), chofanana kwambiri, cholimba bwino kwambiri pa dzimbiri, mtengo wake wapamwamba kwambiri. Chogwiritsidwa ntchito kwambiri pa zipangizo zapamwamba zamawu ndi zamagalimoto.

Momwe Kukhuthala kwa Chophimba Kumakhudzira Kulekerera kwa Kusamvana kwa Mawu

Mpata wa mpweya wa cholankhulira mawu umakhala pakati pa 0.5-1.5 mm. Kukhuthala kwa pamwamba pa maginito kumasintha mwachindunji kukula kwa mpata wa mpweya:

• Kuchuluka kulikonse kwa 0.06 μm kwa makulidwe a chophimba kumatha kuchepetsa mphamvu ya maginito yogwirira ndi maperesenti angapo.

• Chophimba chosagwirizana → mpweya wosafanana → mawu ozungulira → kupotoza kwakukulu

Cholinga chowongolera: kulekerera makulidwe a ±2 μm; kusiyana kwa makulidwe pansi pa 5%.

At Ukadaulo wa Fullzen, makulidwe a maginito a mphete ya sipika amalamulidwa mkati mwa magawo wamba. Pa makulidwe a Ni Cu Ni (7 μm nominal), timayesetsa makulidwe a 12 μm, kulinganiza zofunikira zoteteza dzimbiri pamene tikupewa kugwiritsa ntchito mpweya wambiri.

Zophimba Zovomerezeka ndi Malo Ogwirira Ntchito

• Audio Consumer-audio: Ni‑Cu‑Ni kapena zinc

• Cholankhulira chakunja / choyikidwa: epoxy kapena Ni‑Cu‑Ni yokhala ndi zigawo ziwiri + epoxy

• Magalimoto: Ni‑Cu‑Ni + Parylene kapena aluminiyamu pansi pa wosanjikiza + Parylene (kukana kutentha kwambiri ndi kugwedezeka)

• Ma audio a m'nyanja: epoxy kapena Parylene (kukana kwa chifunga cha mchere)

Momwe Mungatchulire Magnetti ya Mphete ya Kapangidwe ka Wokamba Nkhani Wanu

Njira yolongosoka bwino ingachepetse kubwerezabwereza kwa zitsanzo kuchokera pa ma cycle atatu mpaka anayi kufika pa cycle imodzi ndi ziwiri ndikufulumizitsa nthawi yopita kumsika.

Tanthauzirani Target BL-Product kuchokera ku Thiele-Small Parameters

• Pezani BL-factor yofunikira kuchokera ku loudspeaker Thiele-Small parameters

• Cholankhulira cha ogula cha mlingo wolowera: BL target 6‑9 T·m

• Cholankhulira cha PA chapakati / chaukadaulo: BL target 10‑16 T·m

• Cholankhulira mawu chaukadaulo chapamwamba: BL target ≥16‑22 T·m

BL-factor imakhazikitsa zofunikira zonse za maginito ndipo imapanga poyambira posankha kukula ndi magiredi.

Gawo 2: Sankhani OD / ID / Kukhuthala Kutengera Envelopu Yathupi

• Diameter yakunja (OD): yolumikizidwa ndi chimango cha mawu; iyenera kukhala yocheperako kuposa kukula kwa chimango chamkati

• Chidutswa chamkati (ID): chimatsimikiziridwa ndi kukula kwa pole piece ndi mawonekedwe a voice coil

• Kukhuthala: kumathandiza kwambiri kuti maginito azitha kuyenda bwino. Pamene malo amalola, kukhuthala kowonjezereka kumabweretsa phindu lalikulu kuposa kukulitsa milingo yakunja.

Chiŵerengero chomwe chikuyembekezeredwa: chiŵerengero cha ID / OD pakati pa 0.4-0.6 chimakulitsa kugwiritsa ntchito bwino kwa maginito a mphete.

Gawo 3: Sankhani Chidule cha Giredi ndi Kutentha

Onani magawo osankhidwa kale. Sankhani malinga ndi mphamvu ndi kapangidwe ka kuziziritsa.

Lamulo la chala chachikulu: onetsetsani kuti kutentha kwakukulu komwe kumayembekezeredwa kwa maginito kuli 20-30 °C pansi pa malire a kutentha kwa kalasi.

Gawo 4: Dziwani Zofunikira Zophimba ndi Kulekerera

• Sankhani chophimba chomwe chikugwirizana ndi malo ogwiritsira ntchito

• Kulekerera kofunikira: ID / OD ±0.02‑0.05 mm; makulidwe ±0.02 mm; kulolerana kwa maginito ±3‑5 %

Mapulogalamu olumikizira ma sipika amafuna kusinthasintha kwa mawonekedwe ake, chifukwa kulondola kwa mpweya kumakhudza mwachindunji magwiridwe antchito a THD.

Kupeza Magneti a Mphete kuchokera ku China: Buku Lotsogolera kwa Ogula

China imapanga zoposa 80% ya mphamvu ya neodymium-iron-boron padziko lonse lapansi. Kupeza maginito a mphete kuchokera kwa opanga aku China kumapereka phindu lalikulu, koma njira zowongolera khalidwe ndizofunikira kwambiri.

Zoyembekeza za MOQ ndi Zitsanzo za Ma Protocol

• Zitsanzo zokhazikika: Nthawi yotsogolera ya masiku 7-10; palibe kuchuluka kochepa kwa oda

• Ma geometries apadera omwe amafunikira nkhungu zatsopano / zida zamaginito: MOQ wamba 500‑1000 ma PC

• Maoda opanga zinthu zambiri: MOQ pafupifupi 2000‑5000 ma PC, malinga ndi zovuta za zigawo.

Kayendedwe ka zitsanzo za Fullzen Technology: kasitomala amapereka zofunikira → mtengo mkati mwa masiku atatu ogwira ntchito → kupanga zitsanzo masiku 7-10 mutatsimikizira → zitsanzo zotumizidwa pamodzi ndi malipoti athunthu oyesa okhudza kusinthasintha, kulondola kwa mawonekedwe ndi makulidwe a zokutira.

Zitsimikizo Zapamwamba: ISO 9001, RoHS, REACH — Chofunika Kwambiri

• ISO 9001: chitsimikizo cha dongosolo loyendetsera khalidwe loyambira kutsimikizira njira zogwirira ntchito zopangira zomwe zili mu dongosolo lokhazikika

• RoHS: kutsatira malamulo oletsa zinthu zomwe zimagwiritsidwa ntchito, zomwe ndi zofunika kwambiri pa katundu wotumizidwa ku EU ndi North America.

• REACH: lamulo lolembetsa mankhwala osokoneza bongo kuti alowe mu EU

Fullzen Technology ili ndi satifiketi ya ISO 9001. Zogulitsa zimagwirizana ndi zofunikira za RoHS ndi REACH. Zikalata zogwirira ntchito ndi malipoti owunikira zimayenderana ndi gulu lililonse lopanga.

Maluso Osinthira OEM / ODM

• OEM: zojambula zomwe zimaperekedwa ndi makasitomala kuti apange zinthu zosindikizidwa (njira yodziwika bwino yogwirira ntchito limodzi)

• ODM: kasitomala amatanthauzira zolinga zogwirira ntchito; Fullzen amalimbikitsa ndikukhazikitsa zofunikira zoyenera za maginito kwa mainjiniya amawu opanda luso lakuya la maginito.

• Chowonera chomwe chingasinthidwe: miyeso, mtundu wa maginito, mtundu wa zokutira, kapangidwe ka maginito ndi phukusi.

Mndandanda Wowunikira Ubwino: Kuwerenga kwa Gauss, Miyeso, Kumatira Kwake

Zinthu zofunika kwambiri zowunikira zomwe zikubwera:

• Kuchuluka kwa maginito (Gauss / Tesla): kumayesedwa pogwiritsa ntchito mita yolumikizira kuti zitsimikizire kuti zikugwirizana ndi gulu lololera

• Miyeso: ID, OD ndi makulidwe omwe amayesedwa ndi calliper kapena CMM kuti atsimikizire kulekerera

• Kuyang'ana m'maso: yang'anani utoto wophimba kuti muwone ngati ukutuluka matuza, ukutuluka ndi kukanda

• Kumatira: kuyesa tepi yodulidwa mopingasa

• Kuyesa kupopera mchere: kutengera zitsanzo za batch kuti zitsimikizire momwe zimagwirira ntchito polimbana ndi dzimbiri

• Kuyesa kwa demagnetization curve: chitsanzo chosasinthika cha BH curve kutsimikizira kuti maginito ali ndi katundu wotani

Zochitika Zamakampani mu Ukadaulo wa Magnet wa Sipika

Zinthu zitatu zazikulu zomwe zikuchitika ndi kusintha kwa zofunikira pa maginito a mawu: mphamvu yayikulu yochepetsera phokoso, mawu ophatikizidwa ndi EV komanso kusiyana kwa zofunikira pakati pa magawo a mawu aukadaulo ndi mawu a ogula.

Mphamvu Yochepa Kwambiri: EV Audio ndi Portable Pro Sound

• Makina amagetsi amagetsi omwe ali mgalimoto amatsatira mphamvu zamagetsi mkati mwa ma envulopu ang'onoang'ono — maginito a mphete ya neodymium ndi njira yothandiza

• Ma audio a akatswiri onyamula amaikanso patsogolo kuchepetsa kulemera: Ma woofers a mainchesi 15 ali ndi kulemera kochepa kuchokera pa 11-13 kg (ferrite) mpaka ~6 kg yokhala ndi ma neodymium magnet assemblies.

• Kukula kwa msika wa zokamba mawu padziko lonse lapansi ~USD 12.5 biliyoni (2023), kukuyembekezeka kupitirira USD 20 biliyoni pofika chaka cha 2031

• Kugwiritsa ntchito maginito a neodymium pachaka pa mapulogalamu a audio ~ matani 18,000 (2024), zikuyembekezeka kuti kukula kwa chaka ndi chaka kudzafika ~ 6%

Akatswiri vs Ogwiritsa Ntchito: Zofunikira pa Magnet Yosiyanasiyana

• Katswiri wa mawu: perekani patsogolo magwiridwe antchito apamwamba komanso kudalirika. Kawirikawiri magiredi a N42SH / N45SH, topology ya maginito awiri ndi kulekerera kolimba

• Mauthenga a ogwiritsa ntchito: mtengo wake ndi wabwino kwambiri. Magiredi ambiri a N38 / N42, dera la maginito amodzi, okhala ndi malire omasuka pang'ono a kulolera

Kusiyana kwa maginito pakati pa magawo awiriwa a msika kukupitilira kukula, zomwe zimafuna opanga kuti asinthe njira zothetsera mavuto a msika womwe akufuna.

FAQ

Q: N’chifukwa chiyani akatswiri opanga mawu amakonda maginito ozungulira kuposa maginito a ma disc a ma loudspeaker?

A: Maginito a mphete amapereka BL-factor yokwera ndi 15-22% kudzera mu kufalikira kwa homogeneous flux mkati mwa mpweya wa coil wa mawu, zomwe zimapangitsa kuti pakhale ≥92 dB/W/m sensitivity poyerekeza ndi 87-88 dB/W/m pakupanga maginito ofanana a ferrite disc-maginito. Bore yapakati imalola kuphatikiza kwa pole-piece kwa mapangidwe a dual-magnetic-circuit, kukakamiza THD pansi pa 1% (@ 1 W / 1 kHz). Bore imapanganso njira zachilengedwe zoyendera mpweya kuti kutentha kutayike - kofunikira kwambiri kwa ma speaker aukadaulo omwe amayenda ndi mphamvu yopitilira 200 W.

Q: Ndi mtundu uti wa NdFeB wabwino kwambiri wa maginito a mphete ya sipika?

A: N42 imapereka mulingo woyenera kwambiri pamapulojekiti ambiri amawu, kulinganiza kubwereranso (1.3 T), kukhazikika kwa kutentha koyambira (kutentha kwakukulu kwa 80 °C) ndi mtengo wamalonda. Pazida zazing'ono zocheperako, N48 kapena N52 imapereka kuchuluka kwa flux kwa 15% koma imafuna kuyang'aniridwa mosamala kwa kutentha. Zolankhula zamawu zaukadaulo zomwe zimawona kutentha kwa mawu pamwamba pa 150 °C ziyenera kugwiritsa ntchito ma SH kapena UH suffix high-temperature grades kuti zisawononge kuchotsedwa kwa maginito kosasinthika.

Q: Kodi geometry ya ring-magnet imachepetsa bwanji kusokonekera kwa mawu?

A: Maginito a mphete amapanga malo ofanana a maginito omwe amakhalabe ofanana pamtundu wonse wa mawu ozungulira. Maginito a ma disc amapanga ma gradients oyenda pafupi ndi m'mphepete. Malo ofanana a maginito amachepetsa kusintha kwa zinthu za BL panthawi yoyenda kwa cone ndipo amaletsa mwachindunji kusokonekera kwa harmonic. Pa ma assemblies a dual-stacked dual-ring magnetic, THD ikhoza kukhala pansi pa 5% @ 100 Hz / 500 W, pomwe maginito ofanana a disc nthawi zambiri amalembetsa 8% THD pansi pa mikhalidwe yofanana.

Q: Kodi maginito a mphete angagwiritsidwe ntchito mkati mwa ma subwoofers ndipo ndi zofunikira ziti zomwe zikulimbikitsidwa?

A: Inde. Maginito a mphete ndi otchuka kwambiri m'mapangidwe amakono a subwoofer, makamaka ma seti awiri a maginito pogwiritsa ntchito mphete ziwiri za N42 kapena N45 kuti ziwonjezere BL factor. Pa ma subwoofer a mainchesi 12, magawo wamba: OD 110 130 mm, ID 55 65 mm, makulidwe 15 20 mm pa mphete iliyonse. Bore yapakati imasunga pole piece ndipo imalola kuziziritsa kwa convective voice coil. Fullzen Technology imapanga maginito a subwoofer a mphete mpaka 200 mm OD, yokhala ndi mayeso athunthu komanso a maginito.

Q: Kodi ogula ayenera kuyembekezera chiyani pa maginito a mphete ya sipika yopangidwa mwapadera ochokera ku China?

A: Zitsanzo za muyezo zimatumizidwa mkati mwa masiku 7-10 popanda kuchuluka kocheperako kwa oda. Ma geometries apadera omwe amafunikira zida zatsopano nthawi zambiri amakhala ndi MOQ 500-1000 ma PC kuti apange koyamba. MOQ yochuluka yopangira imakhala pakati pa ma PC 2000-5000 kutengera zovuta za gawo.Ukadaulo wa Fullzenimasunga zinthu zopangira kuti ichepetse kusinthasintha kwa nthawi yotumizira. Kutumiza kulikonse kumathandizidwa ndi satifiketi ya ISO 9001, kutsatira RoHS / REACH komanso malipoti athunthu oyesa magawo ndi maginito.