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Deviationbetweenbuild-inmicrowaveandportablemicrowave嵌入式微波炉与便携式微波炉差异比较Preparedby:KengMo(莫家铿)Mar.11,2009嵌入式微波炉与便携式微波炉的差异主要体现在:1.安装尺寸要求(说明书)2.防触电要求3.测试角的要求4.通风设计的要求上.定义：•built-inappliance(嵌入式器具)•fixedapplianceintendedtobeinstalledinacabinet,inapreparedrecessinawallorinasimilarlocation•打算安装在厨柜内、墙中预留的壁完内或类似位置的固定式器具。Clause6Classification(分类）•6.1ElectricshockprotectionClassIorClassII•6.2Harmfulingressprotection(IPX0)Clause7Markingandinstructions•7.1Marking嵌入式与便携式微波炉的要求一样。•7.12Instructions嵌入式除了7.12.4要求不同外,其他与便携式微波炉的要求一样。说明书要求：•7.12.4Theinstructionsforbuilt-inappliancesshallincludeinformationwithregardtothefollowing:•嵌入式器具，其使用说明(书)应包括下述方面的明确信息:•–dimensionsofthespacetobeprovidedfortheappliance;•为器具提供的空间尺寸;•–dimensionsandpositionofthemeansforsupportingandfixingtheappliancewithinthisspace;•在此空间内支撑和固定器具的装置的尺寸和位置;说明书要求：•–minimumdistancesbetweenthevariouspartsoftheapplianceandthesurroundingstructure;•器具各部分与其周围安放器具的设施有关部分之间的最小间距;•–minimumdimensionsofventilatingopeningsandtheircorrectarrangement;•通风孔的最小尺寸以及它们的正确布置;•–connectionoftheappliancetothesupplymainsandtheinterconnectionofanyseparatecomponents;•器具与电源的连接，和各分离元件的互连;说明书要求：•–necessitytoallowdisconnectionoftheappliancefromthesupplyafterinstallation,unlesstheapplianceincorporatesaswitchcomplyingwith24.3.Thedisconnectionmaybeachievedbyhavingtheplugaccessibleorbyincorporatingaswitchinthefixedwiringinaccordancewiththewiringrules.•除非器具带有一个符合24.3的一个开关，否则其需有一个在安装后用户能进行插拔的插头,或者一个串联在固定配线上的开关来断开电源.•Complianceischeckedbyinspection.•通过视检,检查其合格性。安装尺寸Clause8Protectionagainstaccesstolivepart•8.1防止接触到带电体的要求,通过8.1.1,8.1.2,8.1.3的测试工具检查,8.1.4是对安全低电压的判定.8.1.5是对嵌入式,固定式器具的要求.•8.2II类电器与II类结构的对基本绝缘的要求.嵌入式与便携式微波炉的要求一样。防触电Clause8.1.5•8.1.5Livepartsofbuilt-inappliances,fixedappliancesandappliancesdeliveredinseparateunits,shallbeprotectedatleastbybasicinsulationbeforeinstallationorassembly.•Complianceischeckedbyinspectionandbythetestof8.1.1.•嵌入式器具、固定式器具和以几个分离组件形式交付的器具在安装或装配之前，其带电部件至少应由基本绝缘来防护。•通过视检，来检查其合格性。Clause11Heating•11.2嵌入式微波炉对测试角有专门的要求,要按照说明书的安装要求来布置测试角.•11.3温升测试方法(电阻法,热电偶法)•11.4电热器器具测试•11.5电动类器具测试•11.6复合类器具测试•11.7测试时间确定•11.8测试结果判定测试角情况Clause11.2•11.2测试角要求•Built-inappliancesareinstalledinaccordancewiththeinstructions.•嵌入式器具，按说明书要求安装.•Dullblack-paintedplywoodapproximately20mmthickisusedforthetestcorner,thesupportsandfortheinstallationofbuilt-inappliances.•测试角、支撑物和用于嵌入式器具安装的设施,都使用厚度约为20mm的，涂有无光黑漆的胶合板.•Clause13Leakagecurrentandelectricstrengthatoperatingtemperature.•Clause15Moistureresistance•Clause16Leakagecurrentandelectricstrength•Clause17Overloadprotectionoftransformersandassociatedcircuits.•Clause18Endurance•Clause19Abnormaloperation•Clause20Stabilityandmechanicalhazards20.1嵌入式器具不要求做10°或15°的稳定性测试.20.2对运动部件的防护与便携式微波炉要求一样.Clause21Mechanicalstrength•21.1机械强度(冲击测试)•21.101铰链门的开合测试(嵌入式有要求)•21.102侧铰链门和底铰链门测试•21.10320mm正方体木块对门边的测试•21.104门随冲击球的测试•21.105底部铰链门测试•21.2可接触绝缘材料的强度要求(材料厚度)机械强度要求Clause21.101•21.101Hingeddoorsarepositionedapproximately30°beforethefullyopenposition.Slidingdoorsarepositionedsothattheyareapproximatelytwo-thirdsopen.Aforceof35Nisappliedtotheinsidesurfaceofahingeddooratapoint25mmfromitsfreeedgeortothehandleofaslidingdoor.•21.101将铰链门打开到全开位置前约30°的位置，滑动门约打开2/3,然后将35N的力加至铰链门内表面离其自由端25mm处的一点上或滑动门手柄处。机械强度要求Clause21.101•theforceisappliedbymeansofaspringbalancehavingaspringconstantof1,05N/mm.Itisinitiallyappliedwithanopposingforceappliedtotheothersideofthedoororhandle.Theopposingforceisthenremovedtoallowthedoortocompleteitstraveltothefullyopenposition.Thetestiscarriedoutfivetimes.这一外力是由一弹性系数为1.05N/mm的弹簧工具施加的，首先以反向的力加到门或手柄的另一侧，然后去掉这一反向力使门完全打开。试验进行五次。Clause21.101Thetestisrepeatedondoorsofstationaryappliancesandbuilt-inappliancesexceptthat–thedoorisinitiallyplacedmidwaybetweenthefullyopenandclosedpositions;–theappliedforceis1,5timestheforcerequiredtoopenthedooror65N,whicheverisgreater.Howeveriftheforcecannotbemeasuredorifthedoorisopenedindirectly,the65Nforceisapplied.•Thetestiscarriedoutfivetimes.在驻立式微波炉和嵌装式微波炉的门上重复试验，但试验条件改为：—门的初始状态置于全开和关闭的中间位置；—施加的力是打开门所需力的1.5倍或65N，取其较大者，如果该力无法测量或门已间接地被打开，则用65N的力．试验进行五次．(打开门)Clause21.101•Doorsareplacedmidwaybetweenthefullyopenandclosedpositions.Aclosingforceof90Nisappliedtotheoutsidesurfaceofahingeddooratapoint25mmfromthefreeedgeortothehandleofaslidingdoor,initiallywiththeopposingforceasdescribedabove.Thistestiscarriedout10times.TheapplianceshallthencomplywithClause32.将门置于全开和关闭的中间位置，用一个90N的关门力施加在铰链门外表面离自由端25mm处或加在滑动门的把手上，开始时是用上述的相反的力。试验进行10次。(合上门)器具应符合第32章的要求。Clause22Construction•PartI通用部份(22.1-22.52)•PartII嵌入式除22.101有特别要求外,其他都与便携式相同•22.101嵌入式器具对通风的要求•22.102通风设计对电气间隙和爬电距离的要求•22.103开启至少有两个门联锁装置(开关)要求•22.104门联锁切断电路的要求(磁控管或电源)•22.105至少有一个隐蔽的门联锁要求•22.106门联锁监控的要求•22.107电气或机械的单一故障不能引起门联锁装置失效要求Clause22Construction•22.108门联锁应在微波过量泄漏前应启动的要求•22.109纸片对门密封的测试要求•22.110残余食物对门密封的测试要求•22.111门边角变形对微波泄漏的要求•22.112温度传感器跌落不影响微波泄漏要求•22.113可拆卸部件拆除后不影响微波泄漏的要求•22.114在开门状态下,单一故障(基本绝缘失效/导线松脱)不能引起磁控管工作.•22.115对观察窗口的要求.22.101Built-inappliancesshallonlybeventedthroughthefront,unlessprovisionsaremadeforventingthroughaduct.Complianceischeckedbyinspection.22.101嵌装式微波炉只能从前面开孔，除非是设计成通过管道排风