CAS 205-2011 高保湿家用电冰箱保湿性能要求及试验方法

中国标准化协会标准205-2011高保湿家用电冰箱保湿性能要求及试验方法CAS205-20111CAS205-2011高保湿家用电冰箱保湿性能要求及试验方法家用制冷器具冷藏冷冻箱23.63.7保湿间室Moistchamber3.8高保湿家用电冰箱highmoisturizing2CAS205-2011高保湿等级无霜其它hh12hain≥35%3采用有机物电容式，量程为0-100%RH,总不确定度应不大于2%RH。4CAS205-2011温度t**等于-12℃湿度见图1中a、b、c和d。5CAS205-2011湿度测定时的储藏温度(特性温度)冷藏箱和单控式冷藏冷冻箱多控式冷藏冷冻箱，带有食品冷冻室温度控制装置abCdefgh-18b-18C-12b-12°注：如果器具带有“二星”级部分或“一星”级室，则其温度条件分别为≤-12℃或≤-6℃如果器具带有冰温室，则其温度条件tc的最大值应尽可能接近但不超过+3℃。器具间室应在交付使用的条件下进行试验。a冷冻室和“三星”级冷冻食品储藏室内最热的一个“M”包的最高温度b这些温度通常按条的规定用内插法求出。c这些温度通常按条的规定用内插法求出。包的最高温度e0℃≤t1m,t2m,t3m≤10℃ftm和t可在下述两温度条件方案中选择一种，tm=5℃,8℃≤tem≤12℃(尽可能近地调至12℃,例如，通过风门)或tc=12℃,tm≤5℃(尽可能近地调至5℃,例如，通过风门)允许值应符合GB/T8059.4的规定。6b)7CAS205-2011h=(hr+hlt)/2图2湿度的内插法测量——多控式型冷藏冷冻箱(见条和表2)h₁第一次结果h₂第二次结果8CAS205-2011符号名称GB/T8059章节食品储藏温度GB/T8059.2中在完整的控制周期内冷藏室各个点的最高温度与最低温度的算术平均值GB/T8059.2中GB/T8059.2中GB/T8059.2中冷却室温度GB/T8059.2中在完整的控制周期内冷却室各个点的最高温度与最低温度的算术平均值GB/T8059.2中GB/T8059.2中GB/T8059.2中冰温室温度GB/T8059.2中冷冻室及“三星级”间室储藏温度GB/T8059.2中3.5.13t“二星级”间室储藏温度GB/T8059.2中3.5.13“一星级”间室储藏温度GB/T8059.2中3.5.13家用制冷器具冷冻箱CAS205-2011ICS97.040.30Y61FORSTANDARDIZATIONMoisture-retentionPerformanceof2011-08-02CAS205-2011(E)CAS205-2011ThisstandardisdevelopedbyChinaAssociationforStandardizationCopyrighthelongstoChinaAssociationforStandardization.Allrightsreserved.ItmustnobecopiedinanyformexceptwhenitisusedinthenationallawsorusedwiththepermissioninwordfromChinaAssociationforStandardizationChinaAssociationforStandardizationNo.33ZengguangRoad,CASBuilding,HaidianDistrict,BeijingChinaPostcode:100037Tel:86-10-6848177886-10-68486206Web:E-mail:cas@工CAS205-2011ChinaAssociationforStandardization(CAS)isanationwidepublicorganizationthatorganizesandcarriesoutactivitiesaboutdomesticandinternationalstandardization.DevelopingCASStandardtomeettheneedsofenterprisesandpromotetheworkofenterprisestandardizationisoneofCAS'workcontents.BothgroupsandindividualsathomecanofferthesuggestionondevelopingorrevisingCASstandard,andparticipateintherelevantwork.CASstandardismanagedaccordingto“ManagementRulesfortheStandardsofCAS”,anddevelopedonthebasisofCAS1.1—2001“RulesforthestructureanddraftingofstandardsofCAS”.ThedraftofCASStandardisopentothesocietyforsuggestion.Onlywiththevoteofmorethan75percentexpertsandmemberswhoattendtheMeetingcanthedraftbeissuedastheCASStandard.OrganizationsadoptingCASStandardshouldapplytheregistrationofstandardinaccordancewiththecurrentnationalrelevantruleandareinchargeofthetechnicalcontent.ThestandardisestabliDuringtheimplementationofthisstandard,ifanymodificationoramendmenttothestandardisrequired,pleasesendthesuggestionsandtherelevantdocumentstoCASforreferenceduringrevision.1RequirementsandTestMethodsforMoisture-retentionThisstandardspecifiestheterms,definitionsandrequirementsandtestmethodsformoistureretentionperformanceofhighmoisturizinghouseholdrefrigerator.Thisstandardappliestothehouseholdrefrigeratorswithhighmoisturizingfunction.2NormativereferencesThefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisstandard.Fordatedreference,subsequentamendmentsto,orrevisionsof,anyofthesepublicationsdonotapply.Forundatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.GB/T8059.1-1995GB/T8059.2-1995GB/T8059.4-1993HouseholdRefrigeratingAppliances-RefrigeratorsHouseholdRefrigeratingAppliances-Refrigerator-freezerHouseholdRefrigeratingAppliancesFrost-freeRefrigerators,Frost-freeRefrigerator-freezers,Frost-freeFrozenFoodStorageCabinetsandFrost-freeFoodFreezersTheMaximumAllowableValuesoftheEnergyConsumptionandEnergyEfficiencyGradeforHouseholdRefrigeratorsForthepurposeofthisstandard,theterms&definitionsgivenbelowandinGB/TStableoperatingconditionsrefertotheoperatingconditionsthatthestoragetemperaturefluctuationattherelevantpointsoftherefrigeratorwithintwoconsecutiveperiods(eachincludesseveralcompleteoperationcycles)ofatleast12hoursshallbenogreater0.5Kwhentherefrigeratoroperatesaccordingtotheoperatinginstructionsofthemanufacturerwithoutadjustingthesettingvalueofthe2temperaturecontroldevice.Ifanoperationcycleismorethan24h,thencomparethestoragetemperatureintheprevious12hineachofthetwoconsecutiveoperationcycles.3.2.1FrostfreesystemtAnoperationcyclereferstothetimeintervalfromthebeginningofadefrostcycletothebeginningofthenextdefrostcycle.Theoperationcycleafterthesystemoperatesstablyisatestcycle.3.2.2ContinuousoperationtestcyclesystemAnoperationcyclereferstothetimeintervalbetweentwoconsecutiveshutdownsofarefrigeratingapplianceorapartofarefrigeratingappliance.Afterarefrigeratingapplianceorapartofarefrigeratingapplianceoperatesstably,thetestwilllastatleast12handincludeseveralcompleteoperationcycles.Ifanoperationcycleislongerthan12h,thenthetestshalllastuntiltheendofthecycle.Ifanoperationcycleislongerthan24h,thenthetestshalllastfor24h,butfortherefrigerator-freezerwithoutairexchangebetweenthefreezingchamberandotherchambers,thetestshalllastforTheminimumvalueofrelativehumidityoftherefrigeratorthroughoutthetestcycle.Themaximumvalueofrelativehumidityoftherefrigeratorthroughoutthetestcycle.Theintegralmeanoftherelativehumidityoftherefrigeratorthroughoutthetestcycle.Itisdenotedbyh.3CAS205-20113.6VariabletemperaturecompartmentGB8059.2onconditionthattherefrigeratorisequippedwithafreshfoodstoragecompartmentoracellarcompartment.Thetemperaturecanbecontrolledindependentlyandswitchinthetemperaturerancompartment,thechillcompartmentandtheone-star,two-starorthree-starfrozenfoodstoragecompartments,andtheswitchscopeshallbetwotemperaturerangesormoreThefreshfoodstoragecompartmentorthecellarcompartmentorpaabovetwocompartmentswithanindependentspacegreaterthan15Linvolume.Its3.8HighmoisturizinghouseholdrefrThehouseholdrefrigeratorandtherefrigerator-freezerthatmeettheperformancerequirementsofGB/T8059(hereinafterreferredtoas“highmoisturizing4.1Themaximumhumidityofhighmoisturizingrefrigeratorhmaxshallbe≤95%.4.2HighmoisturizinggradingandevaThegradingofthehighmoisturizingrefrigeratorshallbedeterminedinaccordanceTable1ThehumidityrequirementsofhighmoisturizingrefrigeraHighMoisturizingGradeOthershh1h≥70%hmin≥45%h≥80%hmin≥45%2h≥60%hmin≥35%h≥70%hmin≥35%3h≥50%hmin≥25%h≥60%hmin≥25%4CAS205-20115TestmethodformoistureretentionperformanceExceptthespecialtestconditions,thegeneraltestconditionsshal5.1.1TemperaturemeasuringTheorganiccapacitivehumiditymeasurementinstrumentswithstrokeof0～100%5.2.1Temperaturemeasurementoffreshfoodstoragecompartmentandcellarcompartment.5.2.2Temperaturemeasurementofcellarcompartment,frozenfoodTherequirementsofclause6.3ofGSuspendthehumiditymeasurementinstrumentatthegeometriccenterofthemoistchamber.Ifitisinconvenienttopointofthegeometriccenter,thehumiditymeasurementpointcanbeappropriatelydeviatedfromtheprescribedposition,butitshallbeasclosetothegeometriccenteraspossible.ThemeasurementinstrumentshallbeplacedatapositionthatwillnotPlacetherefrigeratorinthelaboratory,setthetestconditionsaccordingtotherequirementsinclause5.1(unlessotherwisespecified),andconductthetemmeasurementofallcompartmentsaccordingtotherequirementsinclause5.2.Ifthe5volumeofthecompartmentisthemaximumvalue.Openthedoorofthemoistchamber(withanglegreaterthan45),closethedoorafterfreezingfor2handconductthehumiditymeasurement.5.3.2Humiditymeasurement(themeaningsofthesymbolsbelowshallmeettherequirementsofGB/T8059,seeAppendixA)GeneraltemperatureconditionsInprinciple,humiditymeasurementshallbeconductedwhenallthefollowingcharacteristictemperatureconditionsaremet:tm=5℃,0℃≤t₁,t₂,t₃≤10℃.a)Cellarcompartment:tcm=12℃,8℃≤tel,tc2,tc₃≤14℃b)Chillcompartment:tcc≤3℃c)Thehighesttemperatureofthehottestpackage“M”inthecellarcompartmentandthe"three-star"frozenfoodstoragecompartmentshallbet***=—18℃.d)Thehighesttemperaturet**ofthehottestpackage“M”inthe“two-star”compartmentandthe“one-star”compartmentshallbet=-12℃ort*=-6℃.e)Thehighesttemperaturet**ofthehottestpackage“M”inthe“two-star”compartmentandthe“one-star”compartmentshallbet*=-12℃ort=-6℃.f)Thetemperatureofvariabletemperaturecompartmentshallbesetnearthemediumvalueofthevariabletemperaturerange,andthehighestcharacteristictemperatureoffreshfoodstoragecompartment,chillcompartmentorandone-star,two-starorthree-starfrozenfoodstoragecompartmentshallbetaken.Note:Forexample,ifthetemperaturerangeofvariabletemperaturecompartmentis—18℃to+10℃,thenthecharacteristictemperatureofvariabletemperaturecompartmentshallbetakenbasedonachillcompartment;ifthetemperaturerangeofvariabletemperaturecompartmentis—7℃to+10℃,thenthecharacteristictemperatureofvariabletemperaturecompartmentshallbetakenbaRefrigeratorandsingle-controlrefrigerator-freezerDuringhumiditymeasurement,acolumnfromthetemperaturesolutionsatodgiveninTable2shallbeselectedasthetemperaturesofallcompartments.6Therearetwomethodsforhumiditymeasurement:Method1:maintainthecharacteristictemperatureinanyofthesolutions(thetemperaturecanbet***=—18℃ofsolutiona,t**=—12℃insolutionb,tm=5℃insolutioncortem=12℃insolutiondinTable2),whilemaintaintheothertemperaturevalueswithinthelimitsspecifiedinallsolutions.Measurethehumidityundertheseconditions.Method2:measurethehumiditybyinterpolationmethod:thetemperatureinoneofthetwomeasurementsshallbeslightlyhigherthanthecharacteristictemperature,andthatintheothermeasurementshallbeslightlylowerthanthecharacteristictemperature.Forexample,selectthecharacteristictemperatureinsolutionctm=5℃.Thentaketwopointstm₁andtm₂withintherangeoftm=(5±2)℃.RefertoTable2fortheremainingcharacteristictemperaturesMeasurethathumidityattmiandtm₂,andcalculatethehumiditybyinterpolationmethodattm=5℃(seea,b,canddinFig.1)Multi-controlrefrigerator-freezerDuringhumiditymeasurement,selectacolumnfromthetemperaturesolutionsctohgiveninTable2asthetemperaturesofallcompartments.Ifthehumidityofthecompartmentscanbemeasuredindependently,thenitshallbemeasuredindependently.Measurethehumidityoffreshfoodstoragecompartmentandcellarcompartmentattheprescribedcharacteristictemperatureofoneofthetwocompartments,ormeasureitbyinterpolationmethodaccordingtotheresultsoftwomeasurements:thetemperatureinoneofthetwomeasurementsshallbeslightlyhigherthanthecharacteristictemperature,andthatintheothermeasurementshallbeslightlylowerthanthecharacteristictemperature.Itissimilartotheinterpolationmethodin.7CAS205-2011Duringhumiditymeasurement,thecompartmentswhosehumiditywillnotbemeasuredshalloperateattheircharacteristictemperatures.ThetwoselectedtemperaturesshallbewithintherangeofcharacteristictemperatureIfthehumidityofthecompartmentscan'tbemeasuredindependently,thenmeasurethehumidityatthecharacteristictemperaturesorthecharacteristictemperatures±2Koffreshfoodstoragecompartmentandcellarcompartment,calculatethehumidityoffreshfoodstoragecompartmentandcellarcompartmentattheircharacteristictemperaturesbyinterpolationmethod,andtakethemeanvalueofthehumidityintwomeasurements.Whentheinterpolationmethodisused,thetemperatureinoneofthetwomeasurementsshallbeslightlyhigherthanthecharacteristictemperature,andthatintheothermeasurementshallbeslightlylowerthanthecharacteristictemperature(seeFig.2).Thetemperatureatthetwomeasurementsshallbewithintherangeofthecharacteristictemperature±2K.Forexample,thecharacteristictemperaturesinsolutionearetm=5℃andt***max=一18℃.Duringmeasurement,thefreshfoodstoragecompartmentandthecellarcompartmentshallmeetthefollowingtwoconditions,thecharacteristictemperaturerangeshallbebetweentm=(5±2)℃andt**max=(-18±2)℃,andtheremainingtemperaturescanchangewithintheprescribedlimits.b.3℃<tmi<5℃or—18℃<t***max1<—16℃or—20℃<t***maxi<—18℃Afterthehumidityatthetwopointsh₁andh₂ismeasured,calculatebytheinterpolationmethodthehumidityhrandhltofthefreshfoodstoragecompartmentandthecellarcompartmentattheircharacteristictemperatures.Theirinterpolationhumidityis:h=(h+ht)/2Table2Storagetemperatureconditionsofallcompartmentsduring8CAS205-2011Storagetemperaturehumiditymeasurementrefrigerator-freezerMulti-controlrefrigerator-freezerwithfrozenabCdefghbe≤-12℃or≤-6℃.Fig.1Humiditymeasurementbyinterpolationmethod-Refrigeratorand9X-IntegralhumidityY-Temperaturet,℃h-Integralhumidityofmoistchamberh₁-Thefirstresultsh₂-Thesecondresultshr-Theintegralhumidityofmoistchamberobtainedbytheinterpolationmethodwhenonlytheprescribedtemperatureconditionsoftherefreshfoodstoragecompartmentaremetht-Theintegralhumidityofmoistchamberobtainedby