GB 4706.11-2004 家用和类似用途电器的安全 快热式热水器的特殊要求
时间:2024-05-17 05:19:54 来源: 标准资料网 作者：标准资料网 阅读：8471
基本信息
| 标准名称： | 家用和类似用途电器的安全 快热式热水器的特殊要求 |
| 英文名称： | Household and similar electrical appliances-safety-Particular requirements for instantaneous water heaters |
| 中标分类： |
轻工、文化与生活用品 >>
家用电器、日用机具 >>
家用电热器具 |
| ICS分类： |
家用和商用设备、文娱、体育 >>
厨房设备 >>
厨房小器具
|
| 替代情况： | 替代GB 4706.11-1997;被GB 4706.11-2008代替 |
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会 |
| 发布日期： | 2004-05-10 |
| 实施日期： | 2006-08-01 |
| 首发日期： | 1986-03-27 |
| 作废日期： | 2009-09-01 |
| 主管部门： | 中国轻工业联合会 |
| 提出单位： | 中国轻工业联合会 |
| 归口单位： | 全国家用电器标准化技术委员会 |
| 起草单位： | 广州电器科学研究院 |
| 起草人： | 徐艳容、侯全舵、盛水祥、左明芳 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2006-08-01 |
| 页数： | 17页 |
| 书号： | 155066.1-26733 |
适用范围
GB 4706.1的该章除下述内容外，均适用：本部分涉及家用和类似用途且预定把水加热至低于沸点温度的快热式热水器的安全，单相器具的额定电压不超过250V，其他器具的额定电压不超过480V。不作为一般家用，但对公众仍可能引起危险的器具，例如打算在商店、轻工业和农场中由非专业的人员使用的器具也属于本部分的范围。
前言
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引用标准
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所属分类： 轻工 文化与生活用品 家用电器 日用机具 家用电热器具 家用和商用设备 文娱 体育 厨房设备 厨房小器具
Product Code:SAE AMS3901/6
Title:Roving, Organic Fiber (Para-Aramid), High Modulus Oy 500 (3447)/23.5 Tensile Strength, 17.5 (121)/890 Tensile Modulus 4560 Denier, (5070 D Tex), 0.6% Finish
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers one type of organic fiber in the form of roving. The product shall be formed as four ends of 1140 denier (1270 d tex) yarn (AMS 3901/3) collected into an approximately parallel arrangement without twist.【英文标准名称】:TestMethodforObtainingHydrostaticDesignBasisforThermoplasticPipeMaterials
【原文标准名称】:获得热塑性管道材料静水压设计基数的试验方法
【标准号】:ANSI/ASTMD2837-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004-06-01
【实施或试行日期】:2004-06-01
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;塑料;热塑性聚合物;管
【英文主题词】:Basis;Design;Hydrostatic;Pipelines;Pipes;Plasticpipes;Plastics;Testing;Thermoplastic;Thermoplasticpolymers
【摘要】:Thistestmethoddescribestwoessentiallyequivalentprocedures:oneforobtainingalong-termhydrostaticstrengthcategorybasedonstress,referredtohereinasthehydrostaticdesignbasis(HDB);andtheotherforobtainingalong-termhydrostaticstrengthcategorybasedonpressure,referredtohereinasthepressuredesignbasis(PDB).TheHDBisbasedonthematerial'slong-termhydrostaticstrength(LTHS),andthePDBisbasedontheproduct'slong-termhydrostaticpressure-strength(LTHS).TheHDBisamaterialpropertyandisobtainedbyevaluatingstressrupturedataderivedfromtestingpipemadefromthesubjectmaterial.ThePDBisaproductspecificpropertythatreflectsnotonlythepropertiesofthematerial(s)fromwhichtheproductismade,butalsotheinfluenceonproductstrengthbyproductdesign,geometry,anddimensionsandbythespecificmethodofmanufacture.ThePDBisobtainedbyevaluatingpressurerupturedata.TheLTHSisdeterminedbyanalyzingstressversustime-to-rupture(thatis,stress-rupture)testdatathatcoveratestingperiodofnotlessthan10000handthatarederivedfromsustainedpressuretestingofpipemadefromthesubjectmaterial.Thedataareanalyzedbylinearregressiontoyieldabest-fitlog-stressversuslogtime-to-failstraight-lineequation.Usingthisequation,thematerial'smeanstrengthatthe100000-hintercept(LTHS)isdeterminedbyextrapolation.TheresultantvalueoftheLTHSdeterminestheHDBstrengthcategorytowhichthematerialisassigned.TheLTHSissimilarlydeterminedexceptthatthedeterminationisbasedonpressureversustimedatathatarederivedfromaparticularproduct.ThecategorizedvalueoftheLTHSisthePDB.AnHDB/PDBisoneofaseriesofpreferredlong-termstrengthvalues.Thistestmethodisapplicabletoallknowntypesofthermoplasticpipematerialsandthermoplasticpipingproducts.Itisalsoapplicableforanypracticaltemperatureandmediumthatyieldsstress-rupturedatathatexhibitanessentiallystraight-linerelationshipwhenplottedonlogstress(pound-forcepersquareinch)orlogpressure(pound-forcepersquarein.gage)versuslogtime-to-fail(hours)coordinates,andforwhichthisstraight-linerelationshipisexpectedtocontinueuninterruptedthroughatleast100000h.Unlesstheexperimentallyobtaineddataapproximateastraightline,whencalculatedusinglog-logcoordinates,itisnotpossibletoassignanHDB/PDBtothematerial.Datathatexhibithighscatterora"knee"(adownwardshift,resultinginasubsequentlysteeperstress-ruptureslopethanindicatedbytheearlierdata)butwhichmeettherequirementsofthistestmethodtendtogivealowerforecastofLTHS/LTHS.Inthecaseofdatathatexhibitexcessivescatterorapronounced"knee,"thelowerconfidencelimitrequirementsofthistestmethodarenotmetandthedataareclassifiedasunsuitableforanalysis.Afundamentalpremiseofthistestmethodisthatwhentheexperimentaldatadefineastraight-linerelationshipinaccordancewiththistestmethod'srequirements,thisstraightlinemaybeassumedtocontinuebeyondtheexperimentalperiod,throughatleast100000h(thetimeinterceptatwhichthematerial'sLTHS/LTHSisdetermined).Inthecaseofpolyethylenepipingmaterials,thistestmethodincludesasupplementalrequirementforthe"validating"ofthisassumption.Nosuchvalidationrequirementsareincludedforothermaterials(seeNote1).Therefore,inalltheseothercases,itisuptotheuserofthistestmethodtodeterminebasedonoutsideinformationwhetherthistestmethodissatisfactoryfortheforecastingofamaterial'sLTHS/LTHSforeachparticularcombinationofinternal/externalenvironmentsandtemperature.
【中国标准分类号】:P94
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语