Txheej txheem cej luam:
Cov ntaub ntawv nqus suab yog cov ntaub ntawv uas muaj qhov nruab nrab ntawm kev nqus suab ntau dua 0.2. Feem ntau cov ntaub ntawv nqus suab yog cov ntaub ntawv xoob thiab ntxeem tau, xws li melamine ua npuas ncauj , pam, thiab lwm yam.
Lub luag haujlwm ntawm cov ntaub ntawv suab-absorbing thiab suab-absorbing qauv:
- Shorten thiab kho lub sij hawm reverberation;
- Tswj lub suab nrov
- Tshem tawm echo;
- Txhim kho suab zoo thiab hloov suab thaj chaw faib khoom.
Ua hauj lwm txoj cai:
Txij li thaum lub suab pib los ntawm kev vibration ntawm ib yam khoom, nws ua rau kev vibrations nyob rau hauv cov huab cua uas nyob ib sab los ua suab tsis, uas propagates nyob ib ncig ntawm cov huab cua nruab nrab. Raws li rau cov khoom siv suab nrov, thaum lub suab xa mus rau saum npoo ntawm cov khoom siv, ib feem ntawm lub suab lub zog yog tshwm sim, ib feem nkag mus rau cov khoom siv, thiab ib feem ntawm nws rubs tawm tsam qhov nruab nrab ib puag ncig vim qhov kev co ntawm cov khoom siv los yog lub suab propagating los ntawm nws. Qhov no yog hloov dua siab tshiab los ntawm lub zog suab mus rau hauv lub zog cua sov, thiab lub suab lub zog ploj, uas yog, feem ntau hais tias suab yog absorbed los ntawm cov khoom.
Suab absorption coefficient:
Lub suab nqus kev ua tau zoo ntawm cov khoom yog qhia los ntawm lub suab nqus coefficient α. A yog qhov sib npaug ntawm qhov poob coefficient E absorption / E0 thiab nkag mus coefficient E kis / E0.
Lub suab nqus kev ua tau zoo ntawm cov khoom siv tsis yog tsuas yog cuam tshuam nrog cov qauv, tuab thiab cov yam ntxwv ntawm cov khoom nws tus kheej, tab sis kuj muaj feem xyuam rau qhov xwm txheej thiab qhov zaus ntawm lub suab.
daim ntawv thov:
Cov khoom siv suab nrov feem ntau yog siv los tswj cov ntim sab hauv tsev thiab lub suab zoo. Feem ntau, qhov loj ntawm chav tsev ntim, ntev lub sij hawm reverberation, thiab qhov phem tshaj qhov kev txawj ntse hais lus. Txhawm rau kom ntseeg tau tias kev txawj ntse hais lus, nws yog ib qho tsim nyog yuav tsum nqus lub suab hauv chav thiab tswj lub sijhawm reverberation. Xws li auditoriums, chav kawm, chaw ntau pob, thiab xinesmas.
Cov kev cai rau cov khoom siv suab nrov siv hauv cov tsev suab paj nruag yuav nruj dua. Kev siv cov khoom siv suab nrov yuav tsum ua kom muaj qhov ua tiav ntawm lub suab thiab tsim nyog ncua lub sij hawm reverberation. Txhawm rau tiv thaiv acoustic tsis xws luag xws li ncha, acoustic tawm tswv yim, thiab lub suab tsom, cov khoom siv suab nrov tuaj yeem siv rau ntawm phab ntsa tom qab, pem teb terrace railings, sab phab ntsa, thiab lwm yam.
Cov khoom siv suab nrov siv hauv kev tsim lub tsev acoustic ib puag ncig kuj yuav tsum tau ua tib zoo xav txog kev siv cov ntaub ntawv, nrog rau kev ua haujlwm ntawm lub suab thiab cov khoom zoo nkauj, lub zog, kev tiv thaiv hluav taws, kev nqus dej, kev ua haujlwm thiab lwm yam.
Hom qauv ntawm cov khoom siv suab nrov
Muaj ntau hom suab-absorbing cov ntaub ntawv thiab cov qauv. Raws li lawv cov khoom sib txawv, lawv tuaj yeem muab faib ua pawg hauv qab no:
(1) Cov ntaub ntawv nqus suab uas muaj qhov ntxeem tau: cov ntaub ntawv fibrous nqus suab, cov ntaub ntawv nqus suab granular thiab cov ntaub ntawv nqus suab ua npuas ncauj ;
(2) Resonant suab-absorbing qauv: ib qho resonator, perforated phaj resonant suab-absorbing qauv, nyias phaj resonant suab-absorbing qauv;
- Tshwj xeeb suab-absorbing qauv: nyias zaj duab xis resonance suab-absorbing qauv.
Resistive attenuation yam
Resistive attenuation soft porous cov ntaub ntawv feem ntau hu ua melamine ua npuas ncauj thiab iav ntaub plaub. Cov ntaub ntawv tawv ntxeem tau muaj xws li hlau, ceramic, thiab hluavtaws resin porous cov ntaub ntawv, ntawm cov ntaub ntawv aluminium suab-absorbing tau nyiam cov neeg mloog. Yog vim li cas yog cov ntaub ntawv hlau ntxeem tau yog lub cev nruj thiab tsis tas yuav tsum tau tiv thaiv los ntawm perforated nto cov ntaub ntawv zoo li cov khoom ntxeem tau mos. Lawv yuav tsis muaj hnub nyoog lossis tawg mus ua paug ib puag ncig tom qab siv mus ntev. Lub suab nqus coefficient tom qab nqus dej los yog noo noo yuav tsis cuam tshuam rau nws lub suab nqus kev ua haujlwm.
Nyias zaj duab xis vibration hom
Nyias zaj duab xis vibration suab-absorbing cov ntaub ntawv feem ntau yog txuas nrog rau lwm yam ntaub ntawv, xws li txhuas ntawv ci nyob rau hauv aluminium fiber suab-absorbing cov ntaub ntawv. Kuj tseem muaj microperforated polyethylene zaj duab xis, uas tuaj yeem txuas rau iav ntawm qhov rais zoo tib yam. Kev ua tau zoo ntawm lub suab: Nws muaj qhov zoo ntawm nruab nrab zaus suab nqus cov yam ntxwv.
Space suab absorber
Qhov sib txawv ntawm cov khoom nqus suab hauv qhov chaw thiab cov qauv nqus suab dav dav yog tias lawv tsis tau sib xyaw nrog cov phab ntsa khov kho xws li qab nthab thiab phab ntsa los tsim cov qauv nqus suab, tab sis yog cov txheej txheem uas muaj nws tus kheej. Kev kho suab hauv tsev feem ntau cuam tshuam nrog kev teeb tsa cov ntaub ntawv nqus suab ntawm ntau qhov chaw sab hauv tsev thaum lub sijhawm tsim kho thiab kho kom zoo nkauj. Txawm li cas los xij, cov khoom nqus suab: cov khoom nqus suab hauv qhov chaw tuaj yeem ua ntej thiab tsa rau ntawm qhov chaw. Hauv qhov tseem ceeb, lub suab nqus tsis yog cov qauv nqus suab tshiab, tab sis vim muaj ntau yam kev siv sib txawv, cov yam ntxwv nqus suab kuj txawv. Dai nws rau hauv qhov chaw uas muaj lub zog ntws suab siab (xws li ze ntawm qhov chaw suab lossis qhov chaw uas qhov kev xav tau tsom mus rau) tuaj yeem ua tiav cov txiaj ntsig zoo dua.
Muaj zog suab absorber
Lub suab-absorbing wedges feem ntau yog siv lub suab nrov-absorbing qauv hauv anechoic chambers, nrog rau cov ntaub ntawv sib txuas ntawm cov nplais ntxeem tau.
Kab hlau rhuav
Cov ntaub thaiv yog nyob ntawm qhov deb ntawm phab ntsa thiab lub qhov rais iav, zoo li yog tias muaj huab cua txheej tom qab cov khoom ntxeem tau. Txawm hais tias nws tsis raug kaw tag nrho, nws tseem muaj qee lub suab nqus cov nyhuv ntawm qhov nruab nrab thiab siab zaus.
Nkag qhov tsua
Qhov qhib qhib rau lub suab nrov sab nraum zoov yog lub suab nrov-absorbing los ntawm kev pom sab hauv tsev, nrog lub suab nqus coefficient ntawm 1 rau txhua zaus. Nws muaj kev cuam tshuam ntau dua rau cov teeb meem acoustics hauv chav. Yog hais tias lub qhov tsis tig rau lub suab nrov dawb, nws lub suab nqus coefficient yuav tsawg dua 1.
Cov neeg thiab rooj tog
Cov neeg thiab cov rooj tog zaum kuj tuaj yeem nqus suab, yog li lawv yog lub suab absorbers. Kev nqus ntim ntawm cov khoom siv suab nrov nrov thiab cov qauv tuaj yeem suav tau raws li cov khoom ntawm lawv lub suab nqus coefficient thiab thaj chaw zoo. Yog li ntawd, cov yam ntxwv ntawm lub suab yog qhia los ntawm kev nqus ntim ntawm txhua tus neeg lossis txhua daim rooj tog. Cov khoom ntawm lawv thiab tus naj npawb (lossis tus naj npawb ntawm daim) yog tag nrho cov ntim ntim.
Nrog rau kev loj hlob sai ntawm kev tshawb fawb thiab thev naus laus zis niaj hnub no, yuav muaj ntau thiab ntau hom thiab kev ua haujlwm ntawm cov ntaub ntawv acoustic. Txhawm rau kom tau raws li cov neeg xav tau ntau ntxiv rau cov khoom siv suab nrov, kev siv cov khoom siv suab nrov yuav dhau los ua ntau thiab ntau dua yav tom ntej.
Yog xav paub ntxiv txog SINOYQX Melamine Foam, thov hu rau peb ntawm [email protected] lossis hu rau peb: + 86-28-8411-1861.
Qee cov duab thiab cov ntawv luam tawm los ntawm Is Taws Nem, thiab cov ntawv pov thawj yog los ntawm tus sau thawj. Yog tias muaj kev ua txhaum cai, thov hu rau peb kom tshem tawm.