SJ 20134-1992 军用电子设备噪声控制要求
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来源:标准资料网
基本信息
| 标准名称： | 军用电子设备噪声控制要求 |
| 英文名称： | Requirements of noise control for military electronic equipments |
| 中标分类： |
医药、卫生、劳动保护 >>
医药、卫生、劳动保护综合 >>
技术管理 |
| 发布部门： | 中国电子工业总公司 |
| 发布日期： | 1992-11-19 |
| 实施日期： | 1993-05-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 电子工业总公司科技质量局 |
| 归口单位： | 中国电子技术标准化研究所 |
| 起草单位： | 东南大学和中国电子技术标准化研究所 |
| 起草人： | 季馨、颜肖龙、尹寿宝 |
| 出版社： | 电子工业出版社 |
| 出版日期： | 1993-04-01 |
| 页数： | 9页 |
适用范围
本标准规定了军用电子设备系统、子系统及设备的噪声控制要求.本标准适用于对人员的听力、语言交流、通信联络、休息、健康等可能造成干扰和危害的军用电子设备。本标准不适用于非电子类设备。本标准适用于设备系统产生的结构噪声和空气噪声，并旦仅规定噪声级要求的上限。本标准是制定军用电子设备系统，子系统及设备技木条件或产品标准等技木文件相应部分的选用依据。
前言
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目录
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引用标准
JJG 118-1987 声级计检定规程
所属分类： 医药 卫生 劳动保护 医药 卫生 劳动保护综合 技术管理
【英文标准名称】:StandardTestMethodforCharacterizingtheEffectofExposuretoEnvironmentalCyclingonThermalPerformanceofInsulationProducts
【原文标准名称】:暴露于环境热循环对于保温产品的热性能的影响的标准试验方法
【标准号】:ASTMC1512-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C16.33
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:environmentalcycling;thermalinsulation;Thermalinsulatingmaterials;Boardthermalinsulation;Composites--buildingapplications;Environmentalcontrol/fate;Fieldfabrication;Preformedthermalinsulation;Protectivefacings;Rigidthermalinsulatio
【摘要】:Exposingaspecimentoconditionsofone-directionalenvironmentalcyclingcanincreaseitsmoisturecontentuntiladecreaseinmaterialpropertiesoccurs(ataspecificnumberofcycles).Suchatestcouldbeinappropriateduetothenumberofcyclesrequiredtocauseadecreaseinmaterialpropertiessinceproductperformanceissuesoftenariseonlyaftermanyyearsofexposure.Theuseofapreconditioningprocedureisnotintendedtoduplicateexpectedfieldperformance.Ratherthepurposeistoincreasethemoisturecontentoftestmaterialspriortosubjectingtothemtoenvironmentalcycling.Themostimportantaspectofthepreconditioningprocedureisnon-uniformmoisturedistributioninthespecimen.Theheatflowisonedirectionalcausingmoistureflowtowardsthecoldsideresultinginzonesofdrymaterialonthewarmsideandhighmoisturecontentonthecoldside.(Whetherthehighmoisturecontentzoneislocatedrightatthecoldsurfaceofthespecimenoratsomedistancefromthissurfacedependsupontemperatureoscillationandabilityofthecoldsurfacetodryoutwards).Becausethepreconditioningprocedureinvolvesthermalgradient,thispreconditioningprocedureresultsinadistributionofmoisturecontentthatmayoccurunderfieldexposureconditions.However,theresultingmoisturecontentmaydiffersignificantlyfromthatwhichmaybedemonstratedintypicalproductapplications.Thepreconditioningresultsinaccumulationofmoistureinthethermalinsulationresultingfromthesimultaneousexposuretoadifferenceintemperatureandwatervaporpressure.Thistestmethodisnotintendedtoduplicatefieldexposure.Itisintendedtoprovidecomparativeratings.Asexcessiveaccumulationofmoistureinaconstructionsystemmayadverselyaffectitsperformance,thedesignershouldconsiderthepotentialformoistureaccumulationandthepossibleeffectsofthismoistureonthesystemperformance.1.1Thistestmethodisapplicabletopreformedorfieldmanufacturedthermalinsulationproducts,suchasboardstockfoams,rigidfibrousandcompositematerialsmanufacturedwithorwithoutprotectivefacings.SeeNote1Thistestmethodisnotapplicabletohightemperature,reflectiveorloosefillinsulation.Note18212;Iftheproductismanufacturedwithafacer,testproductwithfacerinplace.1.2Thistestmethodinvolvestwostages:preconditioningandenvironmentalcycling.Duringthefirststage,25mm(1in.)thickspecimensareusedtoseparatetwoenvironments.Eachoftheseenvironmentshasaconstantbutdifferenttemperatureandhumiditylevel.Duringtheenvironmentalcyclingstage,specimensalsodividetwoenvironmentsnamelyconstantroomtemperature/humidityononesideandcyclingtemperature/ambientrelativehumidityontheotherside.1.3Thistestmethodmeasurestheabilityoftheproducttomaintainthermalperformanceandcriticalphysicalattributesafterbeingsubjectedtostandardizedexposureconditions.Acomparisonismadebetweenmaterialpropertiesforreferencespecimensstoredinthelaboratoryforthetestperiodandspecimenssubjectedtothetwo-stagetestmethod.Toeliminatetheeffectofmoisturefromthecomparison,thematerialpropertiesofthelattertestspecimensaredeterminedaftertheyhavebeendriedtoconstantweight.Theaveragevaluedeterminedforeachofthetwosetsofspecimensisusedforcomparison.1.4Differentpropertiescanbemeasuredtoassesstheeffectofenvironmentalfactorsonthermalinsulation.Thistestmethodrequiresthatthermalresistancebedeterminedbaseduponanaverageforthreespecimensmeasuredaftercompletingthetest.Secondaryelementsofthistestmethodincludevisualobservationssuchascracking,delaminationorothersurfacedefects,as......
【中国标准分类号】:Q25
【国际标准分类号】:13_020_60
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Heatingboilers-Testregulationsforairbornenoiseemissionsfromheatgenerators-Part2:Fluegasnoiseemissionsattheoutletoftheheatgenerator;EnglishversionofDINEN15036-2:2006-12
【原文标准名称】:加热锅炉.热产生器空气噪声发射的试验规则.第2部分:热产生器出口发出的燃气噪声
【标准号】:DINEN15036-2-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-12-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisEuropeanStandardappliestoheatgeneratorsaccordingtoEN15036-1,whichareconnectedtochimneys/ductswhichdischargecombustionproductsviaaductintoopenair.ThedatameasuredaccordingtothisEuropeanStandardwillprobablybedifferentfromthenoiseradiatedfromtheendofthechimney.Readingsfromforced-draughtburnerscomplyingwithEN267orEN676areonlyapplicableinpracticeiftheyhavebeentakeninconjunctionwithaboiler.Noiseemittedintochimneys/ductsbyheatgeneratorsoperatingindependentlyofindooraircanalsobemeasuredinaccordancewiththisEuropeanStandard.BoilerssuppliedwithcombinedairinletandexhaustterminalconfigurationwhereductsarewithinanexternalwallcanbemeasuredaccordingtooneofthetestmethodsdetailedinEN15036-1.ThisEuropeanStandarddescribestheobjectiveprocedurefordeterminingsoundpowerlevelsL,attheoutletofaheatgeneratorthatisemittingbroad-band,narrow-band,ortonalcontinuoussound.ThisEuropeanStandardisapplicabletoboilersdesignedtobeconnectedtoachimneyorflueductwithaductsizegreaterthanorequalto0,06mandwhosemeanfluegasflowatthemicrophoneheadislessthan5m/s.ThisEuropeanStandardonlyappliesfortestpurposesunderlaboratoryconditions.
【中国标准分类号】:J98
【国际标准分类号】:17_140_20;91_140_10
【页数】:25P.;A4
【正文语种】:英语
