1、 IEC 62471-5 Edition 1.0 2015-06 INTER NA TIONA L STA NDA R D Photobiological safety of lamps and lamp systems Part 5:Image projectors IEC 62471-5:2015-06(en)c olourinsideCopyright International Electrotechnical Commission THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC,Geneva,Switzerland
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11、ogical safety of lamps and lamp sy stems Part 5:Image projectors INTER NA TIONAL ELECTROTECHNICAL COMMISSION ICS 29.140 ISBN 978-2-8322-2737-4 Registered t rademark of t he Int ernational Electrot echnical Commission W arning!Make sure that you obtained this publication from an authorized distributo
12、r.c olourinsideCopyright International Electrotechnical Commission 2 IEC 62471-5:2015 IEC 2015 CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 2 Normative ref erences.8 3 Terms and def initions.9 4 General.15 4.1 Basis f or risk groups.15 4.2 Example applications.16 4.2.1 RG0/RG1 projectors.16 4.2.2 RG
13、2 projectors.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 f or image projectors.18 5.2.1 Measurement throw ratio.18 5.2.2 Measurement distance.18 5.3 The position and size of a
14、pparent source,the calculation of angular subtense.18 5.4 Measurement of irradiance specif ied 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 f unctions.22 5.7 Applying inf ormation f rom th
15、e lamp manuf acturers.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 Manuf acturers requirements.24 6.1 General.24 6.2 Determination of HD(hazard distance).25 6.3 Saf ety f eature sof t start.25 6.4 Optional saf ety
16、 f eatures.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 inf ormation.28 6.6.1 General.28 6.6.2 Assessment of user accessible area.29 Copyright International Electrotechnical Commission IEC 62471-5:2015 IEC 2015 3 6.6.3 User inf ormation(user manual).29 6.6.4 User inf ormation f or maintenance.30 6.7 Labelling and
