c3400pr聲級(jí)測(cè)試

1、非控制性文本，祇作參考用途CPICOPRATE題目聲級(jí)測(cè)試(SOUNDPRESSURELEVELS)PRODUCTINTEGRITY編號(hào)00063400版本號(hào)PR日期010196QUALITYSAFETYEDMNO.0006001作者E.Isaacs修改OPERATINGPROCEDURE翻譯F.Liang校核批準(zhǔn)QSOP00063400PR第1頁(yè)，共10頁(yè)1.1.SCOPESCOPE適用範(fàn)圍適用範(fàn)圍1.1.1.1.ProductsPr

2、oductsComponentsComponentsCoveredCovered所包括的產(chǎn)品和部件所包括的產(chǎn)品和部件Allproductsintendedtoproduceameasurablesoundpressurelevel.(Includingtoyrattles).所有會(huì)產(chǎn)生可測(cè)量聲級(jí)的產(chǎn)品(包括rattle玩具).1.2.1.2.ExemptionsExemptions例外情況例外情況?1.2.1.Toysintowhich

3、achildmustblowairtoobtainsoundse.g.whistlesothermusicalwindinstruments.必須通過(guò)孩童吹氣才能發(fā)聲的玩具例如口哨和其它吹風(fēng)樂(lè)器.1.2.2.Toypercussioninstrumentse.g.atoydrum.敲擊樂(lè)器如玩具鼓.1.2.3.Toyswithvolumecontrol(withtheexceptionoflimiterssuchashiloswitch

4、es)e.g.radiostapeplayersetc.有音量控制的玩具(限制器除外如高低音開(kāi)關(guān))例如收音機(jī)磁帶錄放機(jī).2.2.PERFMANCEPERFMANCEREQUIREMENTSREQUIREMENTS性能要求性能要求2.1.TableTable1showstheacceptableaveragemaximumsoundpressurelevelsinagecategiesfdifferentnoisetypes(exclud

5、ingcaps).表1列出了包括不同年齡層次對(duì)于不同噪音種類的可接受的平均最大聲級(jí)(火帽除外).AgeAgeCategyCategy年齡分類年齡分類TypeTypeofofNoeisNoeis噪音種類噪音種類Avg.Avg.Max.Max.SPLSPL[dB(A)][dB(A)]平均最大聲級(jí)平均最大聲級(jí)Under18monthsContinuous連續(xù)式聲音7518個(gè)月以下Impulse脈衝式聲音1001836months.Contin

6、uous連續(xù)式聲音851836個(gè)月Impulse脈衝式聲音1000ver36months.Continuous連續(xù)式聲音10036個(gè)月以上Impulse脈衝式聲音100非控制性文本，祇作參考用途CPICOPRATEPRODUCTINTEGRITYQSOP00063400PR第3頁(yè)，共10頁(yè)0.50.5s.s.less(e.g.anmalloungeroom)withnohardsurfaces(i.e.wallsceilingsflos

7、otherlargeobstructions)within3939in.in.(1(1m)m)oftheunitundertestmaybeused.最好使用無(wú)回音室但是回音時(shí)間等于或小于0.5s0.5s的環(huán)境也可且待試樣本的周圍3939in.in.(1(1m)m)內(nèi)無(wú)硬面(如牆壁天花板地板或其它更大的阻擋物).NOTENOTE:FFthetheenvironmentenvironmentdescribeddescribedabovea

8、bovethethelevellevelofofbackgroundbackgroundnoisenoisemustmustbebeatatleastleast1010dBdBlowerlowerthanthanthethelevellevelofofnoisenoiseemittedemittedfromfromthetheproduct.product.注意:以上所述的環(huán)境中環(huán)境的背景聲級(jí)必須比被測(cè)試的產(chǎn)品發(fā)出的聲級(jí)至少低1010d

9、B.dB.3.3.3.3.ProcedureProcedure程序程序TableTable2showstheacceptablemetercontrolsettingstobeusedwhenmeasuringsoundpressurelevelsfthefollowingtypesofnoisescaps.表2列出了對(duì)以下不同噪音及火帽進(jìn)行測(cè)量聲級(jí)時(shí)的儀表控制設(shè)定.NoiseNoiseProductProducttypetype噪音產(chǎn)

10、品類型DetectDetect探測(cè)儀DisplayDisplay顯視FrequencyFrequencyWeightingWeighting頻率選擇頻率選擇TimeTimeWeightingWeighting時(shí)間選擇時(shí)間選擇Continuous連續(xù)式聲音RMSLeqAFast快Impulse脈衝式聲音RMSMax最大值A(chǔ)Impulse脈衝式聲音Caps火帽Peak?峰值Max最大值Linear線性Impulse脈衝式聲音TABLETAB