1、 IEC/TR 60825-3 Edition 2.0 2008-03 TECHNICAL REPORT Safety of laser products Part 3: Guidance for laser displays and shows IEC/TR 60825-3:2008(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publicat
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8、o give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC/TR 60825-3 Edition 2.0 2008-03 TECHNICAL REPORT Safety of laser products Part 3: Guidance for laser di
9、splays and shows INTERNATIONAL ELECTROTECHNICAL COMMISSION P ICS 31.260 PRICE CODE ISBN 2-8318-9648-7 2 TR 60825-3 IEC:2008(E) CONTENTS FOREWORD.3 1 Scope and object5 1.1 Scope5 1.2 Object .5 2 Normative references .6 3 Terms and definitions .6 4 Zone limits and maximum permissible exposures (MPE) f
10、or laser radiation 8 4.1 Compliance with maximum permissible exposure (MPE) .8 4.2 Spectator MPE 8 4.3 Ancillary personnel MPE .9 4.4 Performer MPE9 5 Safety criteria for equipment and installations 10 6 Responsibilities of designers, installers, operators and performers.13 6.1 Training.13 6.2 Plann
11、ing by designers. installers and operators.13 6.3 Set-up and alignment 13 6.4 Operation 14 6.5 Display safety record (DSR) 14 7 Special considerations15 7.1 Holographic displays .15 7.2 Ultraviolet and blue-light laser beams15 Bibliography16 Figure 1 Time for a scanning safeguard to be effective 9 F
12、igure 2 Spectator separation with operator in control .11 Figure 3 Audience/spectator separation with operator in control.12 Figure 4 Audience/spectator separation from unattended beams .12 Table 1 Summary of MPE selection criteria10 TR 60825-3 IEC:2008(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION
13、 _ SAFETY OF LASER PRODUCTS Part 3: Guidance for laser displays and shows FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote int
14、ernational 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 Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereaf
15、ter 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. International, governmental and non- governmental organizations liaising with the IEC also parti
16、cipate 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 formal decisions or agreements of IEC on technical matters express, as nearly as possible, an
17、 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 international use and are accepted by IEC National Committees in that sense. While all
18、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) In order to promote international uniformity, IEC National Committees undertake to appl
19、y 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 be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate it
20、s approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 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 indivi
21、dual experts and members of its technical committees and IEC National Committees for any personal injury, 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, t
22、his IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited 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 t
23、his IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. The main task of IEC technical committees is to prepare International Standards. However, a technical committee may propose the publication of a technical report
24、when it has collected data of a different kind from that which is normally published as an International Standard, for example “state of the art“. IEC 60825-3, which is a technical report, has been prepared by IEC technical committee 76: Optical radiation safety and laser equipment. This second edit
25、ion cancels and replaces the first edition published in 1995. It constitutes a technical revision. The main changes since the first edition include clarification of the scope; specific guidance on factors to take into account regarding scanning safeguards; clarification of the records to be maintain
26、ed; and modification of the requirements for the zones where unattended laser projectors are used. 4 TR 60825-3 IEC:2008(E) The text of this technical report is based on the following documents: Enquiry draft Report on voting 76/371/DTR 76/379/RVC Full information on the voting for the approval of t
27、his technical report 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. A list of all parts of the IEC 60825 series, published under the general title Safety of laser products, can be found on the IE
28、C website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result 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
29、, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. TR 60825-3 IEC:2008(E) 5 SAFETY OF LASER PRODUCTS Part 3: Guidance for laser displays and shows 1 Scope and object 1.1 Scope This part of IEC 60825, which is a technical report, gives
30、guidance on the planning and design, set-up and conduct of laser displays and shows that make use of high power lasers. The laser power needed to produce effective theatrical or artistic displays in large spaces such as theatres, arenas, or architectural sites is great enough to pose a severe accide
31、ntal exposure hazard, even when personal exposure is very brief. For this reason, subclause 4.1.5 of IEC/TR 60825-14 specifies that only laser products that are Class 1, Class 2 or visible- beam Class 3R should be used for demonstration, display or entertainment purposes in unsupervised areas. Laser
32、 products of other classes should only be permitted under carefully controlled conditions and under the control of a trained experienced operator. The guidance provided in this technical report is not intended to include the display or demonstration of scientific, medical or industrial laser product
33、s. However, many of the principles in this guidance may be relevant. This guidance provides recommendations for safety for those laser displays or demonstrations that are shows, artistic displays, advertising or light sculptures, or museum pieces used to demonstrate optical principles, etc. Laser pr
34、oducts available for use in a domestic environment or for use by people who cannot be expected to have received a suitable level of training should be Class 1, Class 2 or visible beam Class 3R. Therefore, such equipment is outside the scope of this guidance. 1.2 Object This guidance is intended to b
35、e used by those who: design, manufacture, assemble, install or operate laser products that are Class 4, Class 3B, or non-visible beam Class 3R for display and entertainment purposes; operate arenas, theatres, planetaria, discotheques or other places where such laser products may be installed and ope
36、rated; or are responsible for reviewing the safety of such equipment, installations or displays. This guidance is not normative, but rather a code of practice for the design, installation, operation and evaluation of the safety of laser light shows and displays, and the equipment employed in their p
37、roduction. This guidance is also intended for persons who modify laser display installations or equipment. This guidance contains safety criteria for the protection of the public or persons in the vicinity of laser displays in the course of their employment. In some countries, there may be specific
38、requirements, such as government permissions or notifications of shows, or prohibitions, such as against laser scanning of spectators without appropriate safeguards. This guidance is not to be understood as in conflict with such requirements but merely to be supplementary. 6 TR 60825-3 IEC:2008(E) 2
39、 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. lEC 60825-1:2007, Safety of
40、 laser products Part 1: Equipment classification and requirements. IEC/TR 60825-14:2004, Safety of laser products Part 14: A users guide 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 ancillary personnel ancillary personnel include backstage
41、 workers, ushers, security guards, technicians, food and beverage suppliers, etc., who may be working at the venue or facility at which a laser display or show is being set up or presented, but who are not directly involved with the laser display or show NOTE Ancillary personnel may have access to a
42、reas from which spectators are excluded. 3.2 barrier device to separate spectators from zones where potentially hazardous laser radiation exists NOTE 1 Barriers should not be capable of being readily displaced or traversed by spectators. NOTE 2 A barrier may be a wall, a fence, stage front, etc. NOT
43、E 3 Less substantial barriers such as stanchions or ropes may be used if the entire barriered area is visible to and monitored by the laser operator or other safety personnel during the laser display. 3.3 designer person who determines the visual effects to be produced, the planning of the projectio
44、ns, and the locations of the equipment to be used. The designer may, in addition, act as installer or operator and may be considered to be a manufacturer or supplier 3.4 display safety record (DSR) a written record of safety information relevant to a specific laser display or show 3.5 installer pers
45、on who places the equipment in the designated locations or participates in the adjustment and alignment to produce the desired effects. An installer may also be a manufacturer or supplier if the installation activities result in modification of the display laser product effects 3.6 laser display or
46、show an activity where at least one laser beam is projected onto a surface or made visible in the air, usually intended to be viewed by a non-specialist audience NOTE This definition includes demonstrations, such as in museums or educational establishments, and laser shows such as in planetariums, n
47、ightclubs, concert halls and other entertainment venues. TR 60825-3 IEC:2008(E) 7 3.7 laser projector a laser, used alone or with beam-manipulating components, to produce laser displays or show effects. Laser projectors are considered laser products subject to the applicable provisions of IEC 60825-
48、1 3.8 manufacturer any person (or persons) who constructs, assembles or produces one or more laser projectors, or the displays or shows (physical set up of equipment) which use laser projectors. This applies whether or not the manufacture is done for profit NOTE The equipment used to produce a laser
49、 display or show is considered to be a laser product. 3.9 mask (baffle/physical or software) a physical mask is generally a sheet or panel of durable material (often with a small aperture in the centre for the passage of the useful laser beam) designed to stop a laser beam travelling in unwanted directions. A physical mask should be capable of withstanding, without penetration, the maximum anticipated level of laser radiation, and should not slip or move relative to the impinging laser beam
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