EN71-1A2-XXXX中新声音要求标准简介

:2013IntroductionontheNewAcousticRequirements13thDec,2013•Introduction•Definitionsupdates•Requirementsupdates•Testmethodsupdates•Comparisontables•Therevisionissignificantlydifferentfromexistingacousticrequirements•EN71-1+A2:2013appliestotoysthatareclearlydesignedtoemitsoundandthemethodsaremoredetailedandcomplicated•ItevencoverssoundproducingtoysthatareexcludedfromexistingEN71-1andASTM•Newequipmentsandmoremanpowerarerequired•Harmonizedstandard:2013Definitionsupdates*=SubjecttoEN71-1+A2:2013onlyVoicetoy*Windtoy*Percussiontoy*LpATimeaveragedemissionsoundpressurelevelLpkPeakemissionsoundpressurelevelEN71-1:2011NotspecifiedbutwellknownNotspecifiedbutwellknownEN71-1+A2:2013‘snowcommonlyusedforthemeasurementofenvironmentalnoiseLCpkAstandardfrequencyweightingforsoundlevelmeters,commonlyusedforhigherlevelmeasurements.E.g.CpkwhichisusedforcapturingtheparticularhighimpulsivenoiseTheA-weightingcurveisusedextensivelyforgeneralpurposenoisemeasurementsbuttheC-weightingcorrelatesbetterwiththehumanresponsetohighnoiselevels设计为设计为设计为设计为通通通通过过过过某某某某种种种种拍打器拍打器拍打器拍打器(如如如如鼓槌或手鼓槌或手鼓槌或手鼓槌或手)打打打打击击击击后而后而后而后而发发发发出声出声出声出声音的玩具音的玩具音的玩具音的玩具Windtoys玩具明显设计为当儿童或其他人吹奏时发出声音的玩具Voicetoys玩具明显设计为依靠电子扩大或变形语音发出声音的玩具(如玩具电话、对讲机TheabovetoysareexemptedfromexistingEN71-1•ForevaluationofAeq,toysdesignedtoemitsoundaredividedinto3exposurecategories(噪音曝露:分类)•EachexposurecategoryhasdifferentlimitforAeq•Whenindoubtuseneareststrictest(Thesmallestnumber1)category•Themeasuringdistanceis50cmforallsoundproducingtoysexceptheadphoneandearphone•TheexistingEN71-1doesnotconsistofsuchclassificationRequirementsupdates•Category1(第一类):•Toysandclose-to-the-eartoysemittingsoundduringtimeperiodstypicallylongerthan30secaftereachinitiation•Othertoysemittingsoundtypicallyduringmorethan1/3oftheplayingtime•ToysusingheadphoneorearphonesRequirementsupdates•Category2(第二类):•Toysemittingsoundduringtimeperiodstypicallyshorterthan30secbutlongerthan5secaftereachinitiation•Close-to-the-eartoysthat,whileemittingsound,areheldclosetotheearduringtimeperiodstypicallyshorterthan30secbutlongerthan5secaftereachinitiation•Windtoyswhichareimitationsofmusicalinstruments•Rattlesandsqueezetoys•PercussiontoysRequirementsupdates•Category3(第三类):•Toysemittingsoundduringtimeperiodstypicallyshorterthan5secaftereachinitiation•Close-to-the-eartoysthat,whileemittingsound,areheldclosetotheearduringtimeperiodstypicallyshorterthan5sec•Toysforwhichmaintainingthesoundoutputrequiressignificantphysicaleffort•Windtoyssuchaswhistles•Cap-firingtoys•Othertoysemittingsoundtypicallyduringlessthan1/10oftheplayingtimeRequirementsupdates•Cpkisrelativelysimple,noneedtodeterminetheexposuretimesinceitisnotrelevant•Themeasuringdistanceis50cmforallsoundproducingtoysexceptheadphoneandearphoneLCpkresults•Appliestopercussiontoysandcap-firingtoysonly(110dBC)•EN71-1:2011(Allothertoys110dBC)“Warning.Donotuseclosetotheear!Misusemaycausedamagetohearing.”:Soundlevelmeter,includingthemicrophoneandcable,shallmeettherequirementsofaclass1instrumentspecifiedinEN61672-1.HeadandTorsoSimulator(HATS)accordingtoIEC/TS60318-7•SetupandoperatingconditionarealmostidenticalissameasexistingEN71-1:2011•LAeqandexposurecategory(1/2/3)areincludedinEN71-1+A2:2013tocovertheauditoryhazardofcontinuoussound•ExistingEN71-1evaluatesLCpkonly(Impulsivesound):2013EN71-1:2011Measuringdistance50cm2.5cmMicrophoneposition(s)Fromcentreof6surfacesFromcentreofsoundsource•3operatorsareneededformeasurement,each