BS英国标准BS EN 502851999 家用电灯的能量效率.测量方法 (Energy efficiency of electric lamps for household use .doc

BRITISH STANDARDEnergy efficiency of electric lamps for household use Ð Measurement methodsThe European Standard EN 50285:1999 has the status of aBritish StandardICS 29.140.20; 29.140.30| BS EN50285:1999|NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 50285:1999National forewordThis British Standard is the English language version of EN 50285:1999.The UK participation in its preparation was entrusted to Technical CommitteeCPL/34/1, Lamps, which has the responsibility to:Ð aid enquirers to understand the text;Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;Ð monitor related international and European developments and promulgate them in the UK.A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using theªFindº facility of the BSI Standards Electronic Catalogue.A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their 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 inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover.The BSI copyright notice displayed throughout this document indicates when the document was last issued.Amd. No.DateCommentsThis British Standard, having been prepared under the direction of the ElectrotechnicalSector Committee, was published under the authority of the Standards Committee and comes into effect on 15 August 1999BSI 08-1999ISBN 0 580 32829 5Amendments issued since publicationEUROPEAN STANDARDEN 50285NORME EUROPE ENNEEUROPAÈ ISCHE NORMFebruary 1999ICS 29.140.20; 29.140.30Descriptors: electric equipment, lighting equipment, lamps, measurement, effectiveness, luminous flux, life, electric power measurementEnglish versionEnergy efficiency of electric lamps for household use Ð Measurement methodsEfficience e nerge tique des lampes e lectriques aÁusage domestique Ð Me thodes de mesureEnergieeffizienz von elektrischen Lampen fuÈ r denHausgebrauch Ð MeûverfahrenThis European Standard was approved by CENELEC on 1998-08-01. 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 national 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 language and notified to the Central Secretariat has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization Comite Europe en de Normalisation Electrotechnique EuropaÈ isches Komitee fuÈ r Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B-1050 Brussels1999 CENELEC Ð All rights of exploitation in any form and by any means reserved worldwide for CENELECmembers.Ref. No. EN 50285:1999 EPage EN 50285:1999BSI 08-1999ForewordThis European Standard was prepared by theCENELEC Task Force BTTF 85-2, Energy efficiency ofContentsPageelectric lamps for household use, underStandardization Mandate M/202.The text of the draft was submitted to the unique acceptance procedure and was approved by CENELEC as EN 50285 on 1998-08-01.The following dates were fixed:Ð latest date by which the EN has to be implemented at national level by publication of an identical national standard or byendorsement (dop) 1999-08-01Ð latest date by which national standards conflicting with the ENhave to be withdrawn (dow) 1999-08-01Foreword 21Scope 32Normative references 33Definitions 34Test conditions 35Verification 36Requirements 46.1Luminous flux 46.2Lamp wattage 46.3Lamp life 4Page 3EN 50285:19991 ScopeThis European Standard has been produced under Standardization Mandate M/202 in response to the European Commission Directive implementing Council Directive 92/75/EEC with regard to energy labelling of household lamps. A method of classification of lamps according to energy efficiency is given in the Directive and is not a part of this standard.This standard specifies the test conditions and method of measurement of luminous flux, lamp wattage and lamp life as given on a label on the lamp packaging, together with a procedure for verification of the declared values. Only those parameters that are specific to the above mentioned Directive are included in this standard. All other parameters are included in the relevant lamp performance standards.Lamps covered by this standard are:Ð mains voltage tungsten filament lamps; Ð mains voltage tungsten halogen lamps; Ð self-ballasted lamps;Ð double-capped fluorescent lamps; Ð single-capped fluorescent lamps.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard onlywhen incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments).IEC 60050(845), International ElectrotechnicalVocabulary Ð Chapter 845: Lighting.EN 60064, Tungsten filament lamps for domestic and similar general lighting purposes Ð Performance requirements.(IEC 60064, mod)EN 60081, Double-capped fluorescent lamps Ð Performance specifications.(IEC 60081)EN 60901, Single-capped fluorescent lamps Ð Performance specifications.(IEC 60901)EN 60969, Self-ballasted lamps for general lighting services Ð Performance requirements.(IEC 60969)CIE 84, The measurement of luminous flux.3 DefinitionsFor the purpose of this European Standard the definitions given in the normative references apply, together with the following.3.1average lifenumber of operating hours after which 50 % of a representative group of lamps have survived, when operated under specified test conditions (life to 50 % lamp failure). For tungsten filament lamps average life is defined as the mean value of the truncated life distribution as specified in EN 60064.3.2rated average lifethe average life declared by the manufacturer or responsible vendorNOTE The rated average life is not necessarily the average of all individual lamp lives. It may only be used for comparison, since operating conditions in practice may differ from the specified conditions used in life testing.3.3lamp failurefailure of a lamp to light up, or to meet the starting requirements of the relevant lamp standard or to remain alight4 Test conditionsLamps shall be tested in accordance with the relevant clauses of the standards listed below.For tungsten filament lamps: EN 60064.For tungsten halogen lamps: EN 60064 (the accelerated life test does not apply).For self-ballasted lamps: EN 60969. For double-capped fluorescentlamps: EN 60081.For single-capped fluorescentlamps: EN 60901.For the measurement of the luminous flux CIE 84 also applies.5 VerificationThe minimum sample size shall be twenty lamps. The sample shall be representative of a manufacturer's production. This can be achieved by randomly selecting lamps from at least four different points of sale.The results of the tests shall comply with the requirements given in 6.1 to 6.3. If the test results do not comply with these requirements, the manufacturer's test records shall be requested.BSI 08-1999Page EN 50285:1999BSI 08-19996 Requirements6.1 Luminous fluxLamp typeAverage luminous flux min.lmAverage lamp wattage max.WTungsten filament(GLS)95 %104 %Tungsten halogen90 %108 %Self-ballasted95 %110 %Double-capped fluorescent95 %105 %*Single-capped fluorescent95 %105 %* The average maximum lamp wattage is related to the rated value as given on the lamp data sheets. There may be a difference between the rated and nominal values (see relevant standard).The average value of the initial readings of the luminous flux of the sample shall be not less than the percentage of the declared value, given in Table 1.6.2 Lamp wattageThe average value of the initial readings of the lamp wattage of the sample shall not exceed the percentage of the declared value, given in Table 1.6.3 Lamp lifeFor tungsten filament lamps the average life of the sample , i.e. the mean value of the truncated life distribution as defined in EN 60064, shall be not less than 90 % of the declared value.For other lamp types the average life of the sample, i.e. life to 50 % lamp failure, shall be not less than 90 % of the declared value.Table 1 Ð Percentages of the declared values to be achieved for average luminous flux and average lamp wattageblankBS EN|50285:1999BSI389 Chiswick High RoadLondonW4 4AL| BSI Ð British Standards Institution| BSI is the independent national body responsible for preparing British Standards. 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