Ngoku ekubeni usazi iziseko zokuba kutheni iimagnethi zeringi zibalulekile kwizithethi, makhe sichaze ngqo indlela ezisebenza ngayo ngaphakathi kwendibano yeemoto. Oku kuya kwenza kube lula ukubona ukuba kutheni ukuchaneka kunye nokuhambelana kwenza umahluko omkhulu kumgangatho wesandi.

Indlela iiRing Magnets ezisebenza ngayo ngaphakathi kwezithethi kunye neenkqubo zomsindo

Ukuba wakha waqhekeza isandisi-lizwi, mhlawumbi ukhe wayibona imagnethi efana nedonathi ihleli ngasemva. Loo magnethi yeringi. Nangona ingabonakali ngathi iyodwa, iyenza umsebenzi onzima—ngokwenene—ngaso sonke ixesha isandi siphuma kuloo mqhubi.

Iimagnethi zeringi ziphakathi kwesakhiwo semoto kwizithethi ezininzi ezitshintshayo. Umsebenzi wazo? Ukuvelisa intsimi yemagnethi eqinileyo negxileyo enokuthi i-voice coil iyityhale. Ngaphandle koko, ubuya kufumana ukuthula nje—okanye okubi ngakumbi, ukugqwethwa okuninzi kunye namandla achithekileyo.

Ngokwento esiyibonileyo sisebenza ngee-OEM zesandi, ukwenza imagnethi ibe semgangathweni akupheleli nje ekukhetheni umgangatho ophezulu kwiphepha lee-spec. Kumalunga nokufanisa indlela imagnethi esebenza ngayo nendlela isithethi esiza kusetyenziswa ngayo. Kulapho ke iiprojekthi ezininzi ziphuma khona ecaleni.

 

Ukuthatha Okukhawulezileyo
- Iimagnethi zeringi zenza intsimi yemagnethi eshukumisa ikhoyili yelizwi
- Imilo kunye nokuchaneka kuchaphazela ngqo umgangatho wesandi
- Udidi, ubungakanani, kunye nokufakelwa kwemagnethi kufuneka kuhambelane nesicelo
- Ii-odolo ezininzi zifuna ulawulo oluqinileyo lomgangatho—akukho zikhetho

 

Ziziphi iiMagnets zeRing ezizenzayo ngokwenene kwiSithethi

Masikhe sihambe ngayo. Isithethi esitshintshatshintshayo sineenxalenye ezintathu eziphambili: ikhowuni (okanye i-diaphragm), i-voice coil, kunye ne-motor assembly. I-motor assembly yindawo apho i-ring magnet ihlala khona.

Ukwakha Intsimi Yemagnethi Ehlala Ihleli

Xa ifakwe phakathi kwepleyiti ephezulu kunye nepleyiti engasemva, imagnethi yeringi yenza umsantsa omncinci, ochaziweyo ogcina ikhoyili yelizwi. Esi sithuba kulapho amandla e-electromagnetic aqhuba khona intshukumo yesithethi. Imagnethi kufuneka inike amandla emagnethi athembekileyo, alinganayo kumsantsa, ngaphandle kokungazinzi okanye ukusebenza okungalinganiyo.

Ukuhambisa Ikhoyili Yelizwi, Ukuhambisa Umoya

Xa i-voice coil ifumana isignali yesandi yombane, ivelisa i-dynamic magnetic field kwaye isebenza njenge-electromagnet elawulekayo. Le field isabela ngokuchasene ne-magnetic flux eqinileyo evela kwi-ring magnet, iqhuba i-voice coil kunye ne-cone eqhotyoshelweyo ukuba ijikeleze. Amaza aphezulu e-oscillation enza izandi ze-treble, ngelixa umgama omkhulu wokuhamba uqinisa impendulo ye-bass esezantsi.

Okukhona intsimi yemagnethi icocekile kwaye izinzile, kokukhona i-voice coil ilandela isignali ngokuchanekileyo. Yiyo loo nto iimagnethi zeringi zikhethwa ngaphezu kwezinye iimilo kuyo nayiphi na into ukusuka kwiimonitha zesitudiyo ukuya kwiinkqubo zesandi semoto. Ijiyometri yazo ngokwendalo ixhasa intsimi elinganayo, nto leyo ethetha ukuba akukho kuqikelela okuninzi kwinjineli elungisa i-crossover.

 

Kutheni iiRing Magnets ziqhubeka nokubonakala kwiAudio Gear

Bayigcina Intsimi Yabo Iphantsi Komthwalo

Sifunde isifundo esinzima kodwa esibalulekileyo kule minyaka idlulileyo: imagnethi ebonakala inomtsalane ephepheni inokusilela lula kwiimeko zokwenyani. Emva kweeyure zokusetyenziswa rhoqo ngaphakathi kwikhabhathi yesithethi eshushu neshukumayo, ukusebenza kwayo kunokwehla kakhulu.Iimagnethi zendandatho zeNeodymiumngokumelana nobushushu okunamandla kugcina amandla azo emagnethi eqinileyo, nangona i-voice coil iqala ukufudumala. Olu zinzo lubaluleke kakhulu kunokuba iinjineli ezininzi zicinga. Ukuba imagnethi ilahlekelwa ngamandla ngexesha lokusetyenziswa, ukusebenza kakuhle kwesithethi kuyawa ngokukhawuleza, kwaye yonke impendulo yemvamisa ayilingani.

Zikuvumela ukuba wakhe izithethi ezincinci nezivakalayo

Iimagnethi zeringi yeNeodymium zinamandla kakhulu ngobukhulu bazo. Yiyo loo nto uzibona kwisithethi seBluetooth esincinci, ii-headphones eziphezulu, kunye nee-soundbars ezincinci. Ufumana amandla emagnethi yemagnethi yeferrite enkulu kakhulu kwindawo encinci. Kwizixhobo eziphathwayo, oko kuyatshintsha umdlalo.

Kodwa kukho utshintshiselwano. Iiklasi ezinamandla njenge-N52 zibuthathaka ngakumbi kwaye zinovelwano ngakumbi kubushushu. Ngamanye amaxesha imagnethi yendandatho ye-N42 enkulu kancinci igqibela iyeyona ndlela ikrelekrele—ilawula ubushushu ngcono, kwaye ayizukuphuka ukuba umntu uwisa isithethi ngexesha lokudibanisa.

 

Ukufumana iiNkcukacha eziLungileyo kwiZicelo zoMsindo

Kulapho ii-odolo ezenziwe ngokwezifiso zihlala khona okanye ziphela khona. Ukuba ufuna iimagnethi zeringi zomgca omtsha wesithethi, kukho izinto ezintathu ekufuneka uzivale ngaphambi kokuba kwenziwe iprototype yokuqala.

Ibanga leMagnet alikho nje ngamandla

Wonke umntu ufuna inani eliphezulu le-N. Kodwa kwimveliso yeaudio yehlabathi lokwenyani, sibone i-N52 ibangela iingxaki ezingaphezulu kunezo isombululayo. Ibuthathaka. Ayithandi ubushushu. Kwaye ukuba isithethi sakho singena emnyango wemoto okanye kwikhabhathi ye-PA ehlala elangeni, uzibizela ingxaki.

Amanqanaba obushushu aphezulu afana ne-N42SH okanye i-N40UH abiza kakhulu, kodwa ayanyamezela xa izinto zishushu. Sitshintshele kumthengi omnye kwi-N42SH emva kokuba iqela lezithethi ze-N52 libuye nomphumo obuthathaka emva kwemicimbi yangaphandle yasehlotyeni. Utshintsho lwamanqanaba lulungisile.

Ubukhulu Bufanele Buqine—Buqine Ngenene

Umsantsa apho i-voice coil ihlala khona ulinganiswa ngamaqhezu e-millimeter. Ukuba ububanzi bangaphakathi be-ring magnet yakho buyahluka nge-0.1 mm kuyo yonke imveliso, uya kufumana ukungangqinelani kobuntununtunu ukusuka kwisithethi ukuya kwesinye. Loo nto yingxaki xa uzama ukuthengisa ii-pairs ezihambelanayo okanye ukwakha ii-arrays.

Sijonga iisampulu ngee-calipers. Kwiiodolo ezinkulu, sichaza ukujonga ubungakanani bebhetshi nganye kwaye siyala nantoni na engaphandle kokunyamezelana okuvunyelweneyo. Ukuba umthengisi uthatha oko njengokhetho, qhubeka ukhangela.

Isikhokelo seMagnetization asixoxiswana ngaso

Kwizithethi, imagnethi yeringi kufuneka ifakwe imagnethi nge-axial—kubungqingqwa, kungekhona ububanzi bayo. Ukuba imagnethi ayilingani, intsimi yemagnethi ayiyi kuba phakathi kwindawo evulekileyo. Ikhoyili yelizwi iya kukhuhla, ukuguquguquka kuya kunyuka, kwaye ukusebenza kakuhle kuya kwehla. Abavelisi abalungileyo bavavanya ukufana kwemagnethi ngaphambi kokuba bathunyelwe.

 

Izinto ekufuneka ziqwalaselwe kwiMveliso yeeAudio Components

Xa u-odola amawaka eemagnethi zeringi ukuze uvelise isithethi, awuthengi nje kuphela iindawo, kodwa uthenga ukuhambelana.

Ukwakha-ukuprinta yisiseko

Sisebenza kwimizobo yobunjineli echaza:
- Ububanzi bangaphandle, ububanzi bangaphakathi, kunye nobukhulu obunokunyamezelana
- Uhlobo lokugquma kunye nobukhulu (i-NiCuNi kwizicelo ezininzi zesandi, i-epoxy kwiindawo ezinomswakama ophezulu)
- Ulwalathiso lwemagnetization kunye namandla entsimi ubuncinci
- Iimfuno zovavanyo lokutsalwa kweesampuli

Ukuba umenzi ubuza ukuba kutheni ufuna ukucaciswa kobukhulu be-coating, akenzanga msebenzi mkhulu we-audio. Sibone i-nickel plating igugile kwiindawo zokudibanisa, nto leyo ekhokelela kwizikhalazo zokugqwala emva kweenyanga. Cacisa, yivavanye, uyiqinisekise.

Ukuze ufumane ulwazi oluthe kratya malunga nokukhetha izinto kunye neenkqubo zokuvelisa, jonga iphepha lethu elikuimveliso yemagnethi ye-neodymium eyenziwe ngokwezifiso.Kwaye ukuba ulinganisa uyilo lweringi xa uthelekisa nolwediski lomqhubi othile, umbono wethu ngokubanzi malungaiimagnethi zediski kwiinkqubo zesandiigubungela apho uqwalaselo ngalunye lunentsingiselo khona.

Izifundo zokwenyani ezivela kwiVenkile

Enye endihlala ndiyicinga: sasinomthengi owakha uluhlu lwezithethi ze-PA ezisebenza ngamandla. Yonke into yavavanywa kakuhle elabhoratri. Emva kweenyanga ezintandathu, iiyunithi zaqala ukubuya zinomlinganiselo ophantsi we-bass. Iimagnethi zazisele zingasebenzi kakuhle.

Kwavela ukuba, ubushushu bangaphakathi ngexesha leegig ezinde zangaphandle babufikelela kwi-90°C kwimagnethi. I-N42 esemgangathweni ayizange ibekwe kwinqanaba elinjalo. Satshintshela kwinqanaba lobushushu obuphezulu, saqinisa umoya kuyilo, kwaye iqela elilandelayo laqhuba iminyaka emibini ngaphandle kokubuya okunxulumene nemagnethi.

Imfundiso yebali: uvavanyo kwindawo yokwenyani, kungekuphela nje kwilebhu. Amakhulu ambalwa eerandi achithwe kuvavanyo lweeprototype zehlabathi lokwenyani angakusindisa entlokweni yentloko ebuhlungu kamva.

Enye into: ukuhlanganiswa kwesibambo. Ayibalulekanga ngokuthe ngqo kwiimagnethi zeringi, kodwa ukuba imveliso yakho yesandi ibandakanya naziphi na izixhobo zemagnethi—iigrilles ezisuswayo, izixhobo zokufakela—indlela yokuncamathisela ibalulekile. Sibone izincamathiselo zingasebenzi kakuhle xa kushushu, ziqhekeka xa kubanda, kwaye izikrufu ziphuma phantsi kokungcangcazela. Kwizixhobo zevenkile okanye izixhobo zePA eziphathekayo, iziphatho zerabha ezigqunyiweyo ezineziqhoboshi zoomatshini zihlala ixesha elide kunezinye izinto.

 

Imibuzo ebuzwa rhoqo

Ndingayisebenzisa i-ring magnet efanayo kwi-woofers kunye ne-tweeters?
Ngokubanzi hayi. IiWoofers zifuna iimoto ezinamandla nezikhewu ezinkulu zemagnethi ukuze zikwazi ukusingatha uhambo olude. IiTweeters zisebenzisa amasimi emagnethi amancinci nagxile ngakumbi. Ubukhulu bemagnethi kunye nomgangatho zihlala zahlukile.

Yeyiphi iodolo encinci yeemagnethi zeringi ezenziwe ngokwezifiso kwisandi?
Ukuze ufumane izixhobo ezenziwe ngokwezifiso ngokupheleleyo, uninzi lwababoneleli abaziwayo baqala malunga neziqwenga ezingama-2,000 ukuya kuma-5,000. Ukuba ulungisa isiphatho sesitokhwe okanye usebenzisa izixhobo ezikhoyo, izixhobo ezincinci ngamanye amaxesha zinokusebenza.

Ngaba iimagnethi zeringi ziyayichaphazela into yokuchithakala kobushushu?
Azipholisi nto ngokukhutheleyo, kodwa i-magnet assembly yinxalenye yendlela yobushushu. Kwizithethi ezinamandla aphezulu, i-magnet ingasebenza njenge-heatsink. Ukukhetha i-coating kunye nendlela yokuyifakela zombini zidlala indima.

Ngaba kukho iingxaki zokhuseleko ngeemagnethi eziqinileyo ezikwimigca yemveliso?
Ewe. Zigcine kude nezixhobo zokugcina izinto ezinomtsalane, ii-pacemaker, kunye nazo naziphi na izixhobo zovavanyo ezinobuthathaka. Sizibonile zisula ii-keycards zikude ngeenyawo ezininzi. Zigcine kunye nee-keepers okanye kwiindawo ezibekwe ndawonye, ​​​​ezinezithuba ezivulekileyo ukuze kuthintelwe ukwenzakala ngexesha lokuhlanganiswa.