ImageVerifierCode 换一换
格式:PDF , 页数:16 ,大小:361.84KB ,
资源ID:576168      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-576168.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(BS EN 60704-2-9-2003 Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Particular requirements for electric hair care app.pdf)为本站会员(medalangle361)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN 60704-2-9-2003 Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Particular requirements for electric hair care app.pdf

1、BRITISH STANDARD BS EN 60704-2-9:2003 Household and similar electrical appliances Test code for the determination of airborne acoustical noise Part 2-9: Particular requirements for electric hair care appliances The European Standard EN 60704-2-9:2003 has the status of a British Standard ICS 97.170;

2、17.140.20 BS EN 60704-2-9:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 5 November 2003 BSI 5 November 2003 ISBN 0 580 42842 7 National foreword This British Standard is the official English language version of EN 60704-2-9:2003. It wa

3、s derived by CENELEC from IEC 60704-2-9:2003. The UK participation in its preparation was entrusted to Technical Committee CPL/59, Performance of household electric appliances, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its se

4、cretary. Cross-references The 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 Cat

5、alogue or of British Standards 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. aid enquirers to understand

6、 the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an

7、 inside front cover, the EN title page, pages 2 to 12, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STANDARD EN 60704-2-9 NORME EUROPENNE EURO

8、PISCHE NORM September 2003 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation in any form

9、 and by any means reserved worldwide for CENELEC members. Ref. No. EN 60704-2-9:2003 E ICS 97.170; 17.140.20 English version Household and similar electrical appliances - Test code for the determination of airborne acoustical noise Part 2-9: Particular requirements for electric hair care appliances

10、(IEC 60704-2-9:2003) Appareils lectrodomestiques et analogues - Code dessai pour la dtermination du bruit arien Partie 2-9: Rgles particulires pour les appareils lectriques destins aux soins des cheveux (CEI 60704-2-9:2003) Elektrische Gerte fr den Hausgebrauch und hnliche Zwecke - Prfvorschrift fr

11、die Bestimmung der Luftschallemission Teil 2-9: Besondere Anforderungen an Haarpflegegerte (IEC 60704-2-9:2003) This European Standard was approved by CENELEC on 2003-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this E

12、uropean 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 (

13、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 Austr

14、ia, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EN 60704-2-9:0230 - - 2 Foreword The text of document 59/326/FDIS, future ed

15、ition 1 of IEC 60704-2-9, prepared by IEC TC 59, Performance of household electrical appliances, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60704-2-9 on 2003-09-01. This Part 2-9 is to be used in conjunction with EN 60704-1:1997, Household and similar electrical

16、 appliances - Test code for the determination of airborne acoustical noise - Part 1: General requirements. This Part 2-9 supplements or modifies the corresponding clauses of EN 60704-1. When a particular subclause of Part 1 is not mentioned in this Part 2-9, that subclause applies as far as is reaso

17、nable. Where this Part 2-1 states “addition“, “modification“ or “replacement“, the relevant text of Part 1 is to be adapted accordingly. Subclauses or figures which are additional to those in Part 1 are numbered starting from 101. Additional annexes are lettered AA, BB, etc. The following dates were

18、 fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2004-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2006-09-01 Annexes designated “normative“ are

19、 part of the body of the standard. In this standard, annex A is normative. _ Endorsement notice The text of the International Standard IEC 60704-2-9:2003 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be a

20、dded for the standard indicated: IEC 61855 NOTE Harmonized as EN 61855:2003 (not modified). _ Page2 EN6070429:2003 CONTENTS INTRODUCTION.4 1 Scope and object5 2 Normative references.6 3 Terms and definitions .6 4 Measurement methods and acoustical environments 7 5 Instrumentation7 6 Operation and lo

21、cation of appliances under test .7 7 Measurement of sound pressure levels.9 8 Calculation of sound pressure and sound power levels.9 9 Information to be recorded9 10 Information to be reported 10 Annex A (normative) Standard test table11 Bibliography12 Page3 EN6070429:2003 INTRODUCTION The measuring

22、 conditions specified in this part 2-9 provide for sufficient accuracy in determining the noise emitted and comparing the results of measurements taken by different laboratories, whilst simulating as far as possible the practical use of hair care appliances. It is recommended to consider the determi

23、nation of noise levels as part of a comprehensive testing procedure covering many aspects of the properties and performance of electric hair care appliances. NOTE As stated in the introduction to IEC 60704-1, this test code is concerned with airborne noise only. Page4 EN6070429:2003 HOUSEHOLD AND SI

24、MILAR ELECTRICAL APPLIANCES TEST CODE FOR THE DETERMINATION OF AIRBORNE ACOUSTICAL NOISE Part 2-9: Particular requirements for electric hair care appliances 1 Scope and object This clause of Part 1 is applicable except as follows: 1.1 Scope 1.1.1 General Replacement: This part of IEC 60704 applies t

25、o electric hand-held hairdryers for household and similar use supplied from mains, which operate with a flow of air. These particular requirements can also be applied to analogous electrically operated devices such as hairstyling appliances, which produce the airflow by a fan. Helmet-type hairdryers

26、 are excluded from this standard. This standard does not apply to hair care appliances with radiant heating. 1.1.2 Types of noise Replacement: ISO 3743-1, ISO 3743-2 and ISO 3744 can be used for measuring noise emitted by electric hairdryers. 1.1.3 Size of the source Replacement: The method specifie

27、d in ISO 3744 is applicable to noise sources of any size (limited only by available test environment). When applying ISO 3743-1 and ISO 3743-2, care should be taken that the maximum size of the electric hair care appliance under test fulfils the requirements specified in 1.3 of ISO 3743-1 and ISO 37

28、43-2. 1.2 Object Addition: Requirements for the declaration of noise emission values are not within the scope of this standard. NOTE For determining and verifying noise emission values declared in product specifications, see IEC 60704-3. Page5 EN6070429:2003 1.3 Measurement uncertainty Replacement:

29、The estimated values of standard deviations of sound power levels, determined according to this standard, are as follows: Standard deviation dB r (repeatability) R (reproducibility) 0,4 0,8 Addition: 1.101 Standard deviation for declaration and verification For the purpose of determining and verifyi

30、ng declared noise emission values, according to IEC 60704-3, the following values apply: Standard deviation dB P (production) t (total) M (reference) 0,5 1,3 0,9 1,5 1,5 2 Normative references This clause of Part 1 is applicable. 3 Terms and definitions This clause of Part 1 is applicable except as

31、follows: Addition: 3.101 hand-held hairdryer hairdryer which is held by hand during normal permanent use 3.102 hairstyling appliance appliance for styling and/or curling hairs NOTE Hair styling appliances may comprise brushes and combs. 3.103 helmet-type hairdryer hairdryer, in which the drying is p

32、erformed under a rigid or flexible hood Page6 EN6070429:2003 4 Measurement methods and acoustical environments This clause of Part 1 is applicable except as follows: 4.2 Direct method Addition: NOTE If pure tone components are present in the noise emitted, proper precautions should be taken as speci

33、fied in ISO 3743-2. 4.3 Comparison method Addition: NOTE If pure tone components are present in the noise emitted, proper precautions should be taken as specified in ISO 3743-1 and ISO 3743-2. 5 Instrumentation This clause of Part 1 is applicable except as follows: 5.1 Instrumentation for measuring

34、acoustical data Addition: Windscreens should be used if necessary and then corrections for change in the microphones sensitivity shall be added to the observed sound pressure levels. 6 Operation and location of appliances under test This clause of Part 1 is applicable except as follows: 6.1 Equippin

35、g and pre-conditioning of appliances 6.1.1 Replacement: Appliances shall be equipped as for ordinary drying. They shall not be equipped with attachments such as nozzles, concentrators, diffusers, brushes, combs etc. The air intake and especially the inlet filter shall be clean and free of fluff and

36、hairs. 6.1.3 Replacement: Prior to noise measurements, the appliance equipped in accordance with 6.1.1 shall have been run in for a total period of at least 5 min at the highest speed and temperature setting for normal permanent use. A boost position, if any, shall not be used. NOTE A boost position

37、 is a setting of a control for occasional use, which results in a higher temporary fan speed. Page7 EN6070429:2003 6.1.4 Replacement: Immediately before each series of noise measurements, the appliance equipped in accordance with 6.1.1, is operated for stabilizing at the highest speed and temperatur

38、e setting for normal permanent use for at least 2 min. A boost position, if any, shall not be used. 6.2 Supply of electric energy and of water or gas 6.2.1 Modification: The voltage tolerance shall be 0,5 %. 6.2.2 to 6.2.4 Not applicable. 6.4 Loading and operating of appliances during tests 6.4.2 Re

39、placement: The appliance shall be equipped according to 6.1.1. The noise emission values shall be determined at the highest speed setting of the fan and the highest power setting of the heater for normal permanent use. Attachments shall be removed. NOTE Other possible speed and power settings (boost

40、 position, cold position etc.) can be measured in addition. Additional measurements with accessories may also be made. The actual settings and configuration during the measurement shall be carefully recorded. 6.4.3 and 6.4.4 Not applicable. 6.5 Location and mounting of appliances Addition: The outle

41、t of the appliance shall be placed in a position which is appropriate for the practical use. Care shall be taken to avoid restriction of the airflow of the hairdryer. This has to be considered at the inlet, the outlet and through the appliance. The appliance shall be placed so as to prevent addition

42、al structure-borne noise. No other pieces than those delivered by the manufacturer shall be used 6.5.2 Addition: Hand-held hairdryers and hairstyling appliances shall be positioned in such a way that the longitudinal axis of the appliance is located horizontally at a height of approximately 25 cm ab

43、ove the floor or above the reflecting plane. The handle or grip of the appliance shall be in its normal position, which is usually downwards. Page8 EN6070429:2003 7 Measurement of sound pressure levels This clause of Part 1 is applicable except as follows. 7.1 Microphone array, measurement surface a

44、nd RSS location for essentially free- field conditions over reflecting plane(s) Addition: During measurements care shall be taken to prevent direct blowing to any microphone. 7.1.3 Not applicable. 7.1.4 Addition: The longitudinal axis of the appliance shall point in the direction of the y-axis, in o

45、rder to prevent direct blowing to a microphone. 7.1.5 and 7.1.6 Not applicable. 7.4 Measurements 7.4.1 Addition: The A-weighted time-averaged sound pressure level shall be measured during at least 30 s. 7.4.4 Not applicable. 8 Calculation of sound pressure and sound power levels This clause of Part

46、1 is applicable. 9 Information to be recorded This clause of Part 1 is applicable except as follows: 9.7 Electric supply, water supply, etc. 9.7.2 to 9.7.4 Not applicable. 9.12 Measurement data 9.12.5 Not applicable. Page9 EN6070429:2003 10 Information to be reported This clause of Part 1 is applica

47、ble except as follows: 10.3 Test conditions for the appliance 10.3.3 to 10.3.5 Not applicable. 10.3.11 Not applicable. 10.4 Acoustical data 10.4.10 Not applicable. Page10 EN6070429:2003 Annexes The annexes of Part 1 apply with the following exception: Annex A (normative) Standard test table This ann

48、ex of Part 1 is not applicable. Page11 EN6070429:2003 Bibliography IEC 61855:2003, Household electrical hair care appliances Methods for measuring the performance _ Page12 EN6070429:2003knalbBS EN 60704-2-9:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the in

49、dependent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the qual

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1