BS EN 62471-5-2015 Photobiological safety of lamps and lamp systems Image projectors《灯和灯系统的光生物安全 图像投影仪》.pdf

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1、BSI Standards PublicationPhotobiological safety of lamps and lamp systems Part 5: Image projectorsBS EN 62471-5:2015National forewordThis British Standard is the UK implementation of EN 62471-5:2015. It isidentical to IEC 62471-5:2015.The UK participation in its preparation was entrusted to Technica

2、lCommittee EPL/76, Optical radiation safety and laser equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application.

3、The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83757 9ICS 29.140Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 Oc

4、tober 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62471-5:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62471-5 October 2015 ICS 29.140 English Version Photobiological safety of lamps and lamp systems - Part 5: Image projectors (IEC 62471-5:2

5、015) Scurit photobiologique des lampes et des appareils utilisant des lampes - Partie 5: Projecteurs dimages (IEC 62471-5:2015) Photobiologische Sicherheit von Lampen und Lampensystemen - Teil 5: Photobiologische Sicherheit von Lampensystemen fr Bildprojektoren (IEC 62471-5:2015) This European Stand

6、ard was approved by CENELEC on 2015-07-14. 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 concerni

7、ng such national standards may be obtained on application to the CEN-CENELEC Management Centre 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 membe

8、r into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic

9、 of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization C

10、omit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62471-5:2015 E BS

11、EN 62471-5:2015EN 62471-5:2015 2 European Foreword The text of document 76/519/FDIS, future edition 1 of IEC 62471-5, prepared by IEC/TC 76 “Optical radiation safety and laser equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62471-5:2015. The following dates ar

12、e fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-04-16 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-07-14 Attention is drawn to

13、 the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62471-5:2015 was approved by CENELEC as a Eur

14、opean Standard without any modification. BS EN 62471-5:2015EN 62471-5:2015 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indisp

15、ensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the rel

16、evant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60050 series International Electrotechnical Vocabulary - - series IEC 60065 - Audio, video and similar ele

17、ctronic apparatus - Safety requirements EN 60065 - IEC 60825-1 2014 Safety of laser products - Part 1: Equipment classification and requirements EN 60825-1 2014 IEC 60950-1 - Information technology equipment - Safety - Part 1: General requirements EN 60950-1 - IEC 62471 - Photobiological safety of l

18、amps and lamp systems EN 62471 - BS EN 62471-5:2015 2 IEC 62471-5:2015 IEC 2015 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references. 8 3 Terms and definitions 9 4 General . 15 4.1 Basis for risk groups . 15 4.2 Example applications 16 4.2.1 RG0 / RG1 projectors . 16 4.2.2 RG2 pro

19、jectors . 16 4.2.3 RG3 projectors . 16 4.3 Projector lamps . 16 4.4 Assessment criteria (background) 16 5 Risk group determination . 17 5.1 Test conditions 17 5.2 Measurement conditions for image projectors 18 5.2.1 Measurement throw ratio 18 5.2.2 Measurement distance . 18 5.3 The position and size

20、 of apparent source, the calculation of angular subtense . 18 5.4 Measurement of irradiance specified apertures . 19 5.5 Measurement of radiance 19 5.6 Accessible emission limits . 20 5.6.1 For CW emission 20 5.6.2 For pulsed emission . 21 5.6.3 Spectral weighting functions . 22 5.7 Applying informa

21、tion from the lamp manufacturers . 23 5.7.1 General . 23 5.7.2 Limits provided in irradiance/radiant exposure 24 5.7.3 Limits provided in radiance or radiance dose 24 6 Manufacturers requirements 24 6.1 General . 24 6.2 Determination of HD (hazard distance) 25 6.3 Safety feature “soft start“ 25 6.4

22、Optional safety features 25 6.4.1 Projection of warning message . 25 6.4.2 Power reduction by sensor system . 25 6.5 Labelling on products 25 6.5.1 General . 25 6.5.2 RG0 projector 26 6.5.3 RG1 projector 26 6.5.4 RG2 projector 27 6.5.5 RG3 projector 28 6.6 User information 28 6.6.1 General . 28 6.6.

23、2 Assessment of user accessible area . 29 BS EN 62471-5:2015IEC 62471-5:2015 IEC 2015 3 6.6.3 User information (user manual) 29 6.6.4 User information for maintenance . 30 6.7 Labelling and user information for image projectors where the risk group will be changed by interchangeable lens 30 6.7.1 Ge

24、neral . 30 6.7.2 Labelling on the projector . 30 6.7.3 Mark on the interchangeable lens . 32 6.7.4 The user information in the user manual of the projector . 32 6.7.5 The user information in the user manual of the interchangeable lens . 32 7 Information for service . 33 Annex A (normative) Test sche

25、me for lamp types . 34 Annex B (informative) Example of calculations . 35 B.1 Radiance calculations . 35 B.1.1 General . 35 B.1.2 Calculation from measured irradiance . 35 B.1.3 Calculation from luminous output 36 B.2 Calculation example of risk group (CW) . 37 B.2.1 Example of a 5 000 lm projector

26、. 37 B.2.2 10 000 lm professional-use projector with an apparent source of small subtense angle (CW) 39 B.2.3 2 000 lm projector with small apparent source (CW) 40 B.3 Calculation example of risk group (pulsed emission) 41 B.3.1 General . 41 B.3.2 14 000 lm projector with one peak 41 B.3.3 14 000 lm

27、 projector with two peaks . 44 Annex C (informative) Example of intra-beam of projector sources with millimetre scale 47 Annex D (informative) Measurement distance . 48 Annex E (informative) Hazard distance as a function of modifying optics . 50 Bibliography . 51 Figure 1 Exit pupil in projector 10

28、Figure 2 Examples of the application of the definition of pulse duration . 13 Figure 3 Definition of throw ratio. 15 Figure 4 Diameter of the apparent source . 18 Figure 5 RG1 label (optional) . 26 Figure 6 RG2 label . 27 Figure 7 RG2 caution symbol . 27 Figure 8 Sample design of RG2 caution pictogr

29、am 27 Figure 9 RG3 label . 28 Figure 10 Optical radiation warning symbol 28 Figure 11 “Not for household use“ symbol 28 Figure 12 RG2 label with the caution for RG3 . 31 Figure 13 RG2 caution label with the caution for RG3 . 31 Figure 14 RG2 pictogram with the caution for RG3 . 32 Figure B.1 Image o

30、f the apparent source and measurement condition . 37 BS EN 62471-5:2015 4 IEC 62471-5:2015 IEC 2015 Figure B.2 Picture of the apparent source of a projector at the exit pupil of the projection lenses with a scale 37 Figure B.3 Example with one peak of pulsed emission 42 Figure B.4 Example with two p

31、eaks of pulsed emission . 44 Figure C.1 Examples of intra-beam images of projector sources with millimetre scale 47 Figure E.1 Hazard distance as a function of modifying optics (example) 50 Table 1 Measurement criteria field of view (angles of acceptance) for CW source . 19 Table 2 Measurement crite

32、ria field of view (angles of acceptance) for pulsed source 19 Table 3 AEL (accessible emission limits) for risk groups of lamps and lamp systems emitting CW optical radiation . 20 Table 4 Time base values associated with the risk groups and hazards . 20 Table 5 Basic retinal thermal emission limit 2

33、0 Table 6 The values of C5and for AEL calculation 21 Table 7 Pulse duration dependent values of max22 Table 8 Spectral weighting functions B() and R() for assessing retinal hazards 23 Table 9 Labelling on products 26 Table 10 User information in user manual . 29 Table A.1 Required evaluations . 34 B

34、S EN 62471-5:2015IEC 62471-5:2015 IEC 2015 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PHOTOBIOLOGICAL SAFETY OF LAMPS AND LAMP SYSTEMS Part 5: Image projectors FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national e

35、lectrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Spec

36、ifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. Interna

37、tional, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The forma

38、l decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for

39、 international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4)

40、 In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall

41、 be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certifi

42、cation bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injur

43、y, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references ci

44、ted in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identify

45、ing any or all such patent rights. International Standard IEC 62471-5 has been prepared by IEC technical committee 76: Optical radiation safety and laser equipment. The text of this standard is based on the following documents: FDIS Report on voting 76/519/FDIS 76/521/RVD Full information on the vot

46、ing for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. BS EN 62471-5:2015 6 IEC 62471-5:2015 IEC 2015 The committee has decided that the contents of this publication

47、 will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publicatio

48、n may be issued at a later date. IMPORTANT The colour inside logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. BS EN 62471-5

49、:2015IEC 62471-5:2015 IEC 2015 7 INTRODUCTION Most lamps and lamp systems are safe and do not pose photobiological risks except under unusual exposure conditions. This also is the case for optical image projectors where experience shows that even high power cinema projectors may be safe for accidental momentary viewing and can only under some conditions pose optical hazards at close distances or for intentional long-duratio

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