
家(jia)電(dian)產(chan)品(pin)的(di)噪(zao)音(yin)測(ce)試(shi)是(shi)評(ping)估(gu)其(qi)聲(sheng)學(xue)性(xing)能(neng)的(di)重(chong)要(yao)環(huan)節(jie),這(zhe)有(you)助(zhu)於(yu)確(que)保(bao)產(chan)品(pin)符(fu)合(ge)安(an)全(quan)和(hu)質(zhi)量(liang)標(biao)準(zhun)。以(yi)下(xia)是(shi)一(yi)些(xie)常(chang)見(xian)的(di)家(jia)電(dian)產(chan)品(pin)噪(zao)音(yin)測(ce)試(shi)方(fang)法(fa)和(hu)標(biao)準(zhun):測(ce)試(shi)標(biao)準(zhun)ISO3741:這(zhe)是(shi)國(guo)際(ji)標(biao)準(zhun)化(hua)組(zu)織(zhi)製(zhi)定(ding)的(di)一(yi)個(ge)標(biao)準(zhun),適(kuo)用(yong)於(yu)固(gu)定(ding)位(wei)置(zhi)的(di)..
更(geng)新(xin)日(ri)期(qi):2024-09-27瀏(liu)覽(lan)次(ci)數(shuo):175

消(xiao)聲(sheng)室(shi)是(shi)一(yi)種(zhong)特(te)殊(shu)的(di)房(fang)間(jian),用(yong)於(yu)測(ce)量(liang)聲(sheng)學(xue)特(te)性(xing)或(huo)進(jin)行(hang)聲(sheng)學(xue)實(shi)驗(yan),其(qi)內(nei)部(bu)幾(ji)乎(hu)完(wan)全(quan)消(xiao)除(chu)反(fan)射(she)聲(sheng)波(bo),隻(zhi)保(bao)留(liu)直(zhi)達(da)聲(sheng)。為(wei)了(liao)達(da)到(dao)這(zhe)一(yi)目(mu)的(di),消(xiao)聲(sheng)室(shi)的(di)設(she)計(ji)必(bi)須(xu)能(neng)夠(gou)有(you)效(xiao)隔(ge)絕(jue)外(wai)界(jie)噪(zao)聲(sheng),並(bing)且(qie)具(ju)備(bei)良(liang)好(hao)的(di)內(nei)部(bu)吸(xi)聲(sheng)性(xing)能(neng)。本(ben)文(wen)將(qiang)詳(xiang)細(xi)介(jie)紹(shao)消(xiao)聲(sheng)室(shi)主(zhu)..
更(geng)新(xin)日(ri)期(qi):2024-09-18瀏(liu)覽(lan)次(ci)數(shuo):91

概(gai)述(shu)半(ban)消(xiao)聲(sheng)室(shi)是(shi)一(yi)種(zhong)特(te)殊(shu)的(di)聲(sheng)學(xue)實(shi)驗(yan)室(shi),主(zhu)要(yao)用(yong)於(yu)測(ce)試(shi)和(hu)分(fen)析(xi)產(chan)品(pin)在(zai)接(jie)近(jin)自(zi)由(you)聲(sheng)場(chang)條(tiao)件(jian)下(xia)的(di)聲(sheng)學(xue)特(te)性(xing)。與(yu)全(quan)消(xiao)聲(sheng)室(shi)不(bu)同(tong),半(ban)消(xiao)聲(sheng)室(shi)的(di)一(yi)個(ge)特(te)點(dian)是(shi)保(bao)留(liu)了(liao)一(yi)個(ge)反(fan)射(she)麵(mian)——地(de)麵(mian),以(yi)便(pian)更(geng)好(hao)地(de)模(mu)擬(ni)真(zhen)實(shi)環(huan)境(jing)中(zhong)的(di)聲(sheng)學(xue)條(tiao)件(jian)。地(de)麵(mian)材(cai)質(zhi)特(te)點(dian)半(ban)消(xiao)..
更(geng)新(xin)日(ri)期(qi):2024-09-09瀏(liu)覽(lan)次(ci)數(shuo):86

NVH實(shi)驗(yan)室(shi)(Noise,Vibration,andHarshnessLaboratory)專(zhuan)門(men)用(yong)於(yu)進(jin)行(hang)噪(zao)聲(sheng)、振(zhen)動(dong)和(hu)聲(sheng)振(zhen)粗(cu)糙(cao)度(duo)(Harshness)方(fang)麵(mian)的(di)研(yan)究(jiu)和(hu)測(ce)試(shi)。NVH實(shi)驗(yan)室(shi)是(shi)汽(qi)車(ju)、航(hang)空(kong)航(hang)天(tian)、..
更(geng)新(xin)日(ri)期(qi):2024-09-05瀏(liu)覽(lan)次(ci)數(shuo):284

消(xiao)音(yin)室(shi)(AnechoicChamber)對(dui)於(yu)產(chan)品(pin)生(sheng)產(chan)的(di)重(chong)要(yao)性(xing)主(zhu)要(yao)體(ti)現(xian)在(zai)以(yi)下(xia)幾(ji)個(ge)方(fang)麵(mian):1.聲(sheng)學(xue)性(xing)能(neng)測(ce)試(shi)消(xiao)音(yin)室(shi)提(ti)供(gong)了(liao)一(yi)個(ge)幾(ji)乎(hu)無(wu)反(fan)射(she)的(di)聲(sheng)學(xue)環(huan)境(jing),這(zhe)對(dui)於(yu)測(ce)試(shi)產(chan)品(pin)的(di)聲(sheng)學(xue)性(xing)能(neng)至(zhi)關(guan)重(chong)要(yao)。例(li)如(ru),在(zai)汽(qi)車(ju)製(zhi)造(zao)中(zhong),消(xiao)音(yin)室(shi)可(ke)..
更(geng)新(xin)日(ri)期(qi):2024-08-21瀏(liu)覽(lan)次(ci)數(shuo):80

隔(ge)音(yin)房(fang)並(bing)不(bu)能(neng)完(wan)全(quan)阻(zu)擋(dang)一(yi)切(qie)聲(sheng)音(yin)。雖(sui)然(ran)它(ta)們(men)旨(zhi)在(zai)減(jian)少(shao)外(wai)部(bu)噪(zao)音(yin)的(di)影(ying)響(xiang),並(bing)提(ti)供(gong)一(yi)個(ge)相(xiang)對(dui)安(an)靜(jing)的(di)環(huan)境(jing),但(dan)完(wan)全(quan)隔(ge)音(yin)幾(ji)乎(hu)是(shi)不(bu)可(ke)能(neng)實(shi)現(xian)的(di)。以(yi)下(xia)是(shi)一(yi)些(xie)關(guan)鍵(jian)點(dian),解(xie)釋(shi)為(wei)什(shi)麽(ma)隔(ge)音(yin)房(fang)不(bu)能(neng)完(wan)全(quan)隔(ge)絕(jue)所(suo)有(you)聲(sheng)音(yin):物(wu)理(li)限(xian)製(zhi):聲(sheng)音(yin)是(shi)由(you)振(zhen)動(dong)產(chan)生(sheng)的(di),..
更(geng)新(xin)日(ri)期(qi):2024-08-19瀏(liu)覽(lan)次(ci)數(shuo):164