Tam sim no koj twb paub txog cov ntsiab lus tseem ceeb ntawm cov hlau nplaum hauv cov neeg hais lus lawm, cia peb piav qhia meej tias lawv ua haujlwm li cas hauv lub cev muaj zog. Qhov no yuav ua rau nws yooj yim dua los pom vim li cas qhov tseeb thiab kev sib xws ua rau muaj qhov sib txawv ntawm lub suab zoo.

Yuav Ua Li Cas Cov Nplhaib Magnets Ua Haujlwm Sab Hauv Cov Neeg Hais Lus thiab Cov Tshuab Suab

Yog tias koj tau rhuav ib lub tshuab hais lus, tej zaum koj yuav pom ib lub hlau nplaum zoo li lub donut nyob tom qab. Qhov ntawd yog ib lub hlau nplaum uas muaj lub nplhaib. Thiab txawm hais tias nws tsis zoo li nws tus kheej, nws yeej ua lub luag haujlwm hnyav - txhua zaus lub suab tawm ntawm lub tshuab tsav ntawd.

Cov hlau nplaum uas muaj nplhaib yog lub plawv ntawm cov qauv ntawm lub cev muaj zog hauv feem ntau cov neeg hais lus dynamic. Lawv txoj haujlwm yog los tsim kom muaj lub zog sib nqus ruaj khov, tsom mus rau qhov uas lub suab coil tuaj yeem thawb tawm tsam. Yog tsis muaj qhov ntawd, koj yuav tsis tau txais dab tsi tsuas yog ntsiag to - lossis qhov phem dua, ntau qhov kev cuam tshuam thiab lub zog pov tseg.

Los ntawm qhov peb tau pom ua haujlwm nrog cov OEM suab, kev tau txais lub hlau nplaum kom raug tsis yog tsuas yog hais txog kev xaiv qib siab ntawm daim ntawv qhia tshwj xeeb. Nws yog hais txog kev sib phim tus cwj pwm ntawm lub hlau nplaum rau yuav siv lub hais lus li cas. Thiab qhov ntawd yog qhov uas ntau qhov project mus sideways.

 

Siv Sai
- Cov hlau nplaum uas muaj lub nplhaib tsim cov teb sib nqus uas txav lub suab coil
- Cov duab thiab qhov tseeb ncaj qha cuam tshuam rau lub suab zoo
- Qib, qhov loj me, thiab magnetization yuav tsum phim daim ntawv thov
- Kev txiav txim ntau ntau yuav tsum tau tswj xyuas zoo—tsis muaj kev zam

 

Dab tsi yog cov nplhaib magnets ua tau tiag tiag hauv lub tshuab hais lus

Cia peb kawm txog nws. Lub tshuab hais lus dynamic muaj peb ntu tseem ceeb: lub cone (lossis diaphragm), lub voice coil, thiab lub motor assembly. Lub motor assembly yog qhov chaw uas lub nplhaib magnet nyob.

Tsim kom muaj lub zog sib nqus uas nyob ruaj khov

Thaum muab ntsia nruab nrab ntawm lub phaj sab saud thiab lub phaj nraub qaum, lub nplhaib hlau nplaum tsim ib qho me me, qhov sib txawv uas yog qhov chaw rau lub suab coil. Qhov chaw no yog qhov uas lub zog electromagnetic tsav lub suab hais lus txav mus los. Lub hlau nplaum yuav tsum xa ib lub zog sib nqus uas txhim khu kev qha, sib npaug thoob plaws qhov sib txawv, tsis muaj kev tsis ruaj khov lossis kev ua haujlwm tsis sib xws.

Tsiv Lub Suab Coil, Tsiv Huab Cua

Thaum lub suab kauj tau txais lub teeb liab hluav taws xob, nws tsim ib lub zog sib nqus dynamic thiab ua haujlwm ua lub zog hluav taws xob electromagnet uas tswj tau. Lub zog no teb rau qhov sib nqus ruaj khov los ntawm lub nplhaib sib nqus, tsav lub suab kauj thiab lub khob txuas nrog kom oscillate. Cov zaus oscillation siab dua tsim cov suab treble, thaum qhov deb ntawm kev mus ncig ua rau muaj zog dua cov lus teb bass qis zaus.

Lub zog sib nqus huv dua thiab ruaj khov dua, lub suab coil ua raws li lub teeb liab kom raug dua. Yog vim li cas cov hlau nplaum nplhaib thiaj li nyiam dua lwm cov duab hauv txhua yam los ntawm cov saib hauv studio mus rau lub tshuab suab hauv tsheb. Lawv cov geometry txhawb nqa lub zog sib npaug, uas txhais tau tias tsawg dua kev kwv yees rau tus engineer tuning lub crossover.

 

Vim li cas cov hlau nplaum nplhaib tseem tshwm sim hauv cov khoom siv suab

Lawv Tuav Lawv Daim Teb Hauv Qab Kev Thauj Khoom

Peb tau kawm ib zaj lus qhia nyuaj tab sis muaj nqis heev tau ntau xyoo los lawm: lub hlau nplaum uas zoo nkauj heev rau ntawm daim ntawv tuaj yeem ua tsis tau yooj yim hauv lub ntiaj teb tiag tiag. Tom qab siv tas li ntau teev hauv lub txee hais lus kub thiab co, kev ua haujlwm tuaj yeem poob qis heev.Neodymium nplhaib hlau nplaumnrog rau qhov kub thiab txias muaj zog ua kom lawv lub zog sib nqus ruaj khov, txawm tias lub suab pib sov. Qhov kev ruaj khov no tseem ceeb dua li ntau tus engineers paub. Yog tias lub hlau nplaum poob zog thaum siv, qhov ua haujlwm ntawm lub hais lus poob qis sai sai, thiab tag nrho cov zaus teb tsis sib xws.

Lawv Cia Koj Tsim Cov Neeg Hais Lus Me Me, Nrov Dua

Cov hlau nplaum neodymium muaj zog heev rau lawv qhov loj. Yog vim li cas koj thiaj pom lawv hauv cov lus hais me me Bluetooth, cov mloog pob ntseg zoo, thiab cov suab nrov nyias. Koj tau txais lub zog sib nqus ntawm cov hlau nplaum ferrite loj dua hauv ib feem me me ntawm qhov chaw. Rau cov khoom siv nqa tau, qhov ntawd yog qhov hloov pauv loj heev.

Tiam sis muaj kev pauv pauv. Cov qib muaj zog xws li N52 yuav tawg yooj yim dua thiab rhiab heev rau cua sov. Qee zaum lub nplhaib N42 loj dua me ntsis yog qhov kev xaiv ntse dua - nws tswj tau qhov kub zoo dua, thiab nws yuav tsis tawg yog tias ib tug neeg ua rau lub tso suab poob thaum lub sijhawm sib dhos.

 

Tau Txais Cov Lus Qhia Zoo Rau Cov Ntawv Thov Suab

Qhov no yog qhov uas kev txiav txim tshwj xeeb nyob lossis tuag. Yog tias koj tab tom nrhiav cov hlau nplaum rau cov kab hais lus tshiab, muaj peb yam koj yuav tsum tau ua kom tiav ua ntej thawj tus qauv.

Qib Magnet Tsis Yog Hais Txog Lub Zog Xwb

Txhua tus neeg xav tau tus lej N siab tshaj plaws. Tab sis hauv kev tsim suab tiag tiag, peb tau pom N52 ua rau muaj teeb meem ntau dua li nws daws tau. Nws tsis yooj yim tawg. Nws tsis nyiam cua sov. Thiab yog tias koj lub tso suab mus rau hauv lub qhov rooj tsheb lossis lub txee PA uas zaum hauv lub hnub, koj tab tom thov kom muaj teeb meem.

Cov qib kub siab xws li N42SH lossis N40UH kim dua, tab sis lawv tuav tau thaum tej yam sov. Peb muaj ib tus neeg siv khoom hloov mus rau N42SH tom qab ib pawg ntawm N52 lub tso suab rov qab los nrog lub zog tsis zoo tom qab lub caij ntuj sov ntawm cov xwm txheej sab nraum zoov. Kev hloov qib kho nws.

Qhov Loj Yuav Tsum Tau Ruaj Khoov - Ruaj Khoov Tiag Tiag

Qhov sib txawv ntawm qhov chaw uas lub suab coil nyob yog ntsuas hauv feem pua ​​ntawm ib millimeter. Yog tias lub cheeb sab hauv ntawm koj lub nplhaib hlau nplaum sib txawv txawm tias 0.1 hli thoob plaws hauv kev tsim khoom, koj yuav tau txais kev tsis sib xws hauv kev rhiab heev ntawm tus neeg hais lus mus rau tus neeg hais lus. Qhov ntawd yog qhov teeb meem thaum koj sim muag cov khub sib phim lossis tsim cov arrays.

Peb siv cov cuab yeej ntsuas qhov loj me los kuaj cov qauv. Yog tias peb yuav ntau yam khoom, peb yuav kuaj qhov loj me ntawm txhua yam khoom thiab tsis lees txais txhua yam khoom uas tsis tau raws li qhov peb tau pom zoo. Yog tias tus neeg muag khoom xav tias qhov ntawd yog qhov koj xaiv tau, ces peb yuav tsum saib ntxiv.

Kev Taw Qhia Magnetization Tsis Yog Kev Sib Tham

Rau cov neeg hais lus, lub nplhaib hlau nplaum yuav tsum tau magnetized axially - los ntawm qhov tuab, tsis yog hla lub cheeb tsam. Yog tias qhov magnetization tsis sib npaug, lub magnetic teb yuav tsis nyob hauv qhov sib txawv. Lub suab coil yuav rub, distortion yuav nce siab, thiab kev ua haujlwm yuav poob qis. Cov chaw tsim khoom zoo sim magnetization uniformity ua ntej xa khoom.

 

Cov Kev Xav Txog Kev Tsim Khoom Rau Cov Khoom Siv Suab

Thaum koj xaj ntau txhiab lub nplhaib hlau nplaum rau kev tsim cov lus hais lus, koj tsis yog tsuas yog yuav cov khoom seem xwb. Koj tab tom yuav qhov sib xws.

Tsim-rau-Luam Tawm Yog Lub Hauv Paus

Peb ua haujlwm los ntawm cov duab kos engineering uas qhia meej:
- Txoj kab uas hla sab nraud, txoj kab uas hla sab hauv, thiab tuab nrog kev kam rau siab
- Hom txheej thiab tuab (NiCuNi rau feem ntau cov ntawv thov suab, epoxy rau cov chaw muaj av noo siab)
- Kev taw qhia magnetization thiab lub zog teb tsawg kawg nkaus
- Cov kev cai rau kev kuaj rub rau cov qauv piv txwv

Yog tias ib lub chaw tsim khoom nug tias vim li cas koj thiaj xav tau qhov tuab ntawm cov txheej txheem, lawv tsis tau ua haujlwm suab ntau. Peb tau pom tias cov khoom siv sib dhos uas muaj nickel plating hnav, ua rau muaj kev tsis txaus siab txog kev xeb ntau lub hlis tom qab. Qhia meej, sim nws, thiab txheeb xyuas nws.

Yog xav paub ntxiv txog kev xaiv cov khoom siv thiab cov txheej txheem tsim khoom, mus saib peb nplooj ntawv ntawmkev cai neodymium hlau nplaum manufacturing.Thiab yog tias koj tab tom ntsuas qhov sib piv ntawm cov qauv tsim ntawm lub nplhaib rau ib tus tsav tsheb tshwj xeeb, peb cov txheej txheem cej luam ntawmcov hlau nplaum disc hauv cov tshuab suabnpog qhov twg txhua qhov kev teeb tsa ua rau muaj kev nkag siab.

Cov Lus Qhia Txog Lub Ntiaj Teb Tiag Los Ntawm Lub Khw Muag Khoom

Ib qho uas kuv nco ntsoov: peb muaj ib tus neeg siv khoom tsim ib kab ntawm cov neeg hais lus PA uas muaj zog. Txhua yam tau kuaj xyuas zoo hauv chav kuaj. Rau lub hlis tom qab, cov khoom siv tau pib rov qab los nrog cov zis bass txo qis. Cov hlau nplaum tau demagnetized ib nrab.

Qhov tseeb, qhov kub sab hauv thaum lub sijhawm ua haujlwm sab nraum zoov ntev yog kub txog 90°C ntawm lub hlau nplaum. Tus qauv N42 tsis tau ntsuas rau qhov ntawd. Peb hloov mus rau qib kub siab, ua kom muaj cua nkag tau zoo dua, thiab cov khoom siv tom ntej tau khiav tau ob xyoos yam tsis muaj hlau nplaum rov qab los.

Zaj dab neeg qhia txog lub ntsiab lus: sim ua qhov chaw tiag tiag, tsis yog sim hauv chav kuaj xwb. Ob peb puas duas las siv rau kev sim ua qauv hauv ntiaj teb tiag tiag tuaj yeem pab koj txuag tau tsib tus lej tom qab.

Ib qho ntxiv: kev sib koom ua ke ntawm tes tuav. Tsis muaj feem cuam tshuam ncaj qha rau cov hlau nplaum nplhaib, tab sis yog tias koj cov khoom suab muaj cov khoom siv hlau nplaum - cov grilles uas tshem tau, cov khoom siv mounting - txoj kev txuas tseem ceeb. Peb tau pom cov nplaum tsis ua haujlwm hauv qhov kub, cov kab nrib pleb hauv qhov txias, thiab cov ntsia hlau tawm hauv qab kev co. Rau cov cuab yeej hauv khw lossis cov khoom siv PA portable, cov tes tuav roj hmab overmold nrog cov khoom siv kho tshuab feem ntau kav ntev dua txhua yam.

 

Cov Lus Nug Feem Ntau

Kuv puas siv tau tib lub nplhaib hlau nplaum rau woofers thiab tweeters?
Feem ntau tsis yog. Cov woofers xav tau cov motors muaj zog dua nrog cov qhov sib nqus loj dua kom tswj tau qhov kev ua haujlwm ntev dua. Cov Tweeters siv cov teb sib nqus me dua, muaj zog dua. Qhov loj me thiab qib ntawm cov hlau nplaum feem ntau txawv.

Qhov kev txiav txim yam tsawg kawg nkaus rau cov hlau nplaum nplhaib hauv suab yog dab tsi?
Rau cov cuab yeej ua haujlwm raws li koj xav tau, feem ntau cov chaw muag khoom muaj npe nrov pib li ntawm 2,000 txog 5,000 daim. Yog tias koj hloov kho lub qhov tuav lossis siv cov cuab yeej uas twb muaj lawm, qee zaum kev khiav me me tuaj yeem ua haujlwm.

Cov hlau nplaum puas cuam tshuam rau kev tso cua sov tawm?
Lawv tsis ua kom txias dab tsi, tab sis lub hlau nplaum sib dhos yog ib feem ntawm txoj kev thermal. Hauv cov neeg hais lus muaj zog heev, lub hlau nplaum tuaj yeem ua haujlwm ua lub heatsink. Kev xaiv txheej thiab txoj kev teeb tsa ob qho tib si ua lub luag haujlwm.

Puas muaj teeb meem kev nyab xeeb nrog cov hlau nplaum muaj zog ntawm cov kab ntau lawm?
Yog. Khaws cia kom deb ntawm cov khoom siv khaws cia hlau nplaum, cov tshuab pacemakers, thiab lwm yam khoom siv kuaj mob uas rhiab heev. Peb tau pom lawv so cov keycards ntawm ob peb feet deb. Khaws cia nrog cov khoom khaws cia lossis ua cov khoom sib dhos, sib nrug kom tsis txhob raug mob thaum sib dhos.