測(ce)試(shi)消(xiao)聲(sheng)室(shi)的(di)設(she)計(ji)和(hu)建(jian)造(zao)使(shi)用(yong),要(yao)求(qiu)消(xiao)聲(sheng)室(shi)擁(yong)有(you)完(wan)成(cheng)噪(zao)聲(sheng)實(shi)驗(yan)的(di)兩(liang)個(ge)指(zhi)標(biao),分(fen)別(bie)是(shi)截(jie)止(zhi)頻(pin)率(shuai)和(hu)本(ben)底(di)噪(zao)聲(sheng)。尺(che)寸(cun)規(gui)格(ge)不(bu)同(tong)和(hu)噪(zao)聲(sheng)測(ce)試(shi)內(nei)容(rong)有(you)差(chai)異(yi)的(di)家(jia)電(dian)和(hu)電(dian)聲(sheng)通(tong)訊(xun)等(deng)行(hang)業(ye)產(chan)品(pin),有(you)其(qi)特(te)定(ding)的(di)測(ce)試(shi)指(zhi)標(biao)要(yao)求(qiu),需(xu)要(yao)設(she)計(ji)消(xiao)聲(sheng)室(shi)前(qian)做(zuo)好(hao)方(fang)案(an)的(di)審(shen)核(he)對(dui)比(bi)。
由(you)於(yu)不(bu)同(tong)行(hang)業(ye)的(di)產(chan)品(pin)噪(zao)聲(sheng)實(shi)驗(yan)有(you)不(bu)同(tong)的(di)指(zhi)標(biao)要(yao)求(qiu),消(xiao)聲(sheng)室(shi)可(ke)以(yi)設(she)計(ji)成(cheng)全(quan)消(xiao)聲(sheng)室(shi)或(huo)者(zhe)半(ban)消(xiao)聲(sheng)室(shi),兩(liang)種(zhong)不(bu)同(tong)的(di)噪(zao)聲(sheng)測(ce)試(shi)應(ying)用(yong)實(shi)驗(yan)。半(ban)消(xiao)聲(sheng)室(shi)是(shi)一(yi)種(zhong)擁(yong)有(you)較(jiao)高(gao)的(di)本(ben)底(di)噪(zao)聲(sheng)和(hu)較(jiao)低(di)範(fan)圍(wei)的(di)截(jie)止(zhi)頻(pin)率(shuai),可(ke)以(yi)應(ying)用(yong)在(zai)測(ce)試(shi)要(yao)求(qiu)不(bu)高(gao)的(di)行(hang)業(ye)產(chan)品(pin),例(li)如(ru)揚(yang)聲(sheng)器(qi),音(yin)箱(xiang)和(hu)馬(ma)達(da)。
半(ban)消(xiao)聲(sheng)室(shi)的(di)截(jie)止(zhi)頻(pin)率(shuai)是(shi)由(you)內(nei)部(bu)安(an)裝(zhuang)的(di)消(xiao)聲(sheng)尖(jian)劈(pi)起(qi)的(di)作(zuo)用(yong),而(er)本(ben)底(di)噪(zao)聲(sheng)則(ze)是(shi)室(shi)體(ti)結(jie)構(gou)綜(zeng)合(ge)作(zuo)用(yong)。在(zai)設(she)計(ji)安(an)裝(zhuang)中(zhong),應(ying)該(gai)留(liu)意(yi)半(ban)消(xiao)聲(sheng)室(shi)是(shi)否(pi)存(cun)在(zai)缺(que)口(kou)裂(lie)縫(feng),令(ling)內(nei)外(wai)環(huan)境(jing)的(di)噪(zao)聲(sheng)互(hu)相(xiang)幹(gan)擾(rao);另(ling)外(wai)一(yi)個(ge)則(ze)是(shi)半(ban)消(xiao)聲(sheng)室(shi)的(di)線(xian)路(lu)走(zou)向(xiang)和(hu)管(guan)道(dao)的(di)連(lian)接(jie),需(xu)要(yao)做(zuo)好(hao)內(nei)部(bu)的(di)減(jian)振(zhen)消(xiao)聲(sheng)措(cuo)施(shi),防(fang)止(zhi)室(shi)內(nei)的(di)噪(zao)聲(sheng)環(huan)境(jing)受(shou)到(dao)擾(rao)亂(luan)。

標(biao)簽(qian):   消(xiao)聲(sheng)室(shi)設(she)計(ji) 半(ban)消(xiao)聲(sheng)室(shi)應(ying)用(yong)

