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1、BRITISH STANDARD BS EN61121:2005Tumble dryers for household use Methods for measuring the performanceThe European Standard EN 61121:2005 has the status of aBritish StandardICS 97.060 BS EN 61121:2005National forewordThis British Standard is the official English language version ofEN 61121:2005. It w
2、as derived by CENELEC from IEC 61121:2002 + corrigenda 2003. It supersedes BS EN 61121:1999 which will be withdrawn on 1 December 2007.The CENELEC common modifications have been implemented at the appropriate places in the text and are indicated by common modification tags .The UK participation in i
3、ts preparation was entrusted by Technical Committee CPL/59, Performance of household electrical appliances, to Subcommittee CPL/59/1, Performance of home laundry appliances, which has the responsibility to:aid enquirers to understand the text;present to the responsible international/European committ
4、ee any enquiries on the interpretation, or proposals for change, and keep UK interests informed;monitor related international and European developments and promulgate them in the UK.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesT
5、he British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standa
6、rds Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an
7、 inside front cover, the EN title page, pages 2 to 31 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amd. No.DateCommentsThis British Standard was published under the authority of the Standards Policy and Strategy Committeeon 15 Febru
8、ary 2006 BSI 15 February 2006ISBN 0 580 46714 7Amendments issued since publicationEUROPEAN STANDARDEN 61121NORME EUROPENNEEUROPISCHE NORMMay 2005ICS 97.060Supersedes EN 61121:1999 + A11:2000English versionTumble dryers for household use Methods for measuring the performance (IEC 61121:2002 + corrige
9、nda 2003, modified)Sche-linge tambour usage domestique Mthodes de mesure de laptitude la fonction(CEI 61121:2002 + corrigenda 2003, modifie)Wschetrockner fr den Hausgebrauch - Verfahren zur Messung der Gebrauchseigenschaften(IEC 61121:2002 + Corrigenda 2003, modifiziert)This European Standard was ap
10、proved by CENELEC on 2005-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such nat
11、ional standards may be obtained on application to the Central Secretariat or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own languag
12、e and notified to the Central Secretariat has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lu
13、xembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische NormungCentral Secretariat
14、: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 61121:2005 EBS EN 61121:2005 2 ForewordThe text of the International Standard IEC 61121:2002, prepared by SC 59D, Home laundry appliances,
15、 of IEC TC 59, Performance of household electrical appliances, together with the common modifications prepared by the Technical Committee CENELEC TC 59X, Consumer information related to household electrical appliances, was submitted to the Unique Acceptance Procedure (UAP) but did not receive suffic
16、ient support.A new draft, including also the corrigenda April 2003 and September 2003 to IEC 61121:2002, allowing to maintain the classification of tumble dryers according to the energy label Directive95/13/EC, was submitted to the formal vote and was approved by CENELEC as EN 61121 on2005-03-01.Sig
17、nificant technical differences area)reference machine in 7.3.2 is neutralized,b)an addition to Z1.1 describes factors which shall be used to correct the value for the energy consumption of the appliance found during the test in order to get the correct label value for declaration.This European Stand
18、ard supersedes EN 61121:1999 and its amendment A11:2000. The following dates were fixed:national standard or by endorsement(dop)2005-12-01latest date by which the national standards conflicting with the EN have to be withdrawn(dow)2007-12-01latest date by which the EN has to be implemented at nation
19、al level by publication of an identicalAnnexes ZA and ZB have been added by CENELEC.Clauses, tables and annexes which are additional to those given in IEC 61121 are prefixed “Z”.Endorsement noticeThe text of the International Standard IEC 61121:2002 + corrigendum April 2003 + corrigendum September 2
20、003 was approved by CENELEC as a European Standard with agreed common modifications as given below.BS EN 61121:2005 11 CONTENTSINTRODUCTION .51Scope .62Normative references .63Definitions and symbols .64Dimensions .85Rated capacity .86General conditions for measurements .96.1General .96.2Resources a
21、nd ambient conditions .97Test loads . 107.1Composition . 107.2Usage . 117.3Preparation . 118Instrumentation and accuracy . 128.1Mass . 128.2Water and air temperature . 138.3Water volume . 138.4Water pressure . 138.5Water hardness . 138.6Water conductivity . 138.7Electrical energy. 138.8Time. 138.9Am
22、bient humidity . 139Performance tests . 139.1General . 139.2Procedure for drying performance . 1310 Evaluation and calculation . 1610.1 Final moisture content of the load . 1610.2 Electric energy consumption . 1610.3 Water consumption . 1610.4 Time. 1710.5 Condensation efficiency. 1710.6 Evenness of
23、 drying . 1711 Reporting of test results . 18Annex A (normative)Nominal and standard exhaust duct for tumble dryer testing. 22Annex B (normative)Cotton test load . 25Annex C (normative)The bone-dry method . 27Annex D (normative)Water preparation . 28Annex ZA (informative)Modified cotton base load .
24、29Annex ZB (normative)Normative references to international publications with theircorresponding European publications . 30Bibliography . 31Figure A.1 Pressure/air flow curve . 22Figure A.2 Standard exhaust . 23Figure A.3 Standard exhaust simulator . 24Table 1 Number of items of cotton test load for
25、 various rated capacities, W . 10Table 2 Specifications for initial moisture content of the test load . 12Table 3 Specification for final moisture content of the test load after drying . 14INTRODUCTIONThis third edition has been developed in light of experience with use of the second edition of IEC
26、61121. Other changes include some minor revisions to the test conditions and alterations to the test load to ensure that this remains harmonised with the IEC 60456 load for clothes washers.In summary, the main changes are as follows.1)General:more terms have been defined and some previous definition
27、s have been streamlined, in addition to the correction of some symbols and equations;where possible, definitions and terms have been used in common with IEC 60456;the content has been organised into a more logical and simple structure, and repetitive sections have been removed.2)The conditions of me
28、asurement:the wording of various sections has been revised to reduce ambiguity;limits have been defined for water conductivity for auto-sensing dryers that are sensitive to conductivity, as well as methods to adjust conductivity where necessary;specifications of a nominal exhaust duct were included.
29、3)Reproducibility and repeatability of test results:revision of the specification for the cotton test load to include suitable test materials which are currently available on the market;more careful definition of the process and conditions for pre-treatment, conditioningand normalisation.4)Test meth
30、ods:accuracy of measurement has been defined for all instruments;limits and interpretations of the allowable final moisture content for each type of dryer are now defined;practical advice regarding the test procedure has been given with the aim of reducing ambiguity.TUMBLE DRYERS FOR HOUSEHOLD USE M
31、ETHODS FOR MEASURING THE PERFORMANCE1ScopeThis International Standard is applicable to household electric tumble dryers of the automaticand non-automatic type, with or without a cold water supply and incorporating a heating device.The object is to state and define the principal performance character
32、istics of household electric tumble dryers of interest to users and to describe standard methods for measuring these characteristics.This standard is concerned neither with safety nor with performance requirements.This European Standard also specifies, as far as necessary, the test methods which shall be applied in accordance with the Commissions Directive 95/13/EC of 23 May 1995 implementing Council Directive 92/75/EEC with regard to energy labelling of household el
