1、 IEC 60695-11-3 Edition 1.0 2012-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Fire hazard testing Part 11-3: Test flames 500 W flames Apparatus and confirmational test methods Essais relatifs aux risques du feu Partie 11-3: Flammes dessai Flamme de 500 W Appareillage et mthodes dessai de vrificati
2、on IEC 60695-11-3:2012 BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, e
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16、contactez-nous: csciec.ch. IEC 60695-11-3 Edition 1.0 2012-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Fire hazard testing Part 11-3: Test flames 500 W flames Apparatus and confirmational test methods Essais relatifs aux risques du feu Partie 11-3: Flammes dessai Flamme de 500 W Appareillage et m
17、thodes dessai de vrification INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE U ICS 13.220.40; 29.020 PRICE CODE CODE PRIX ISBN 978-2-83220-258-6 BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT Registered trademark of the International Electrotechnical
18、 Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 60695-11-3 IEC:2012 CONTENTS FOREWORD . 4
19、 INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3 Terms and definitions . 8 4 Method A Production of a standardized 500 W nominal test flame based on existing hardware . 8 4.1 Requirements 8 4.2 Apparatus and fuel 8 4.2.1 Burner . 8 4.2.2 Flowmeter . 8 4.2.3 Manometer 9 4.2.4 Control valve
20、. 9 4.2.5 Copper block . 9 4.2.6 Thermocouple 9 4.2.7 Temperature/time indicating/recording devices 9 4.2.8 Fuel gas 9 4.2.9 Laboratory fumehood/chamber 9 4.3 Production of the test flame . 10 4.4 Confirmation of the test flame 10 4.4.1 Principle 10 4.4.2 Procedure 10 4.4.3 Verification 11 5 Method
21、C Production of a standardized 500 W nominal test flame based on non- adjustable hardware . 11 5.1 Requirements 11 5.2 Apparatus and fuel 11 5.2.1 Burner . 11 5.2.2 Flowmeters 11 5.2.3 Manometers 12 5.2.4 Control valves . 12 5.2.5 Copper block . 12 5.2.6 Thermocouple 12 5.2.7 Temperature/time indica
22、ting/recording devices 12 5.2.8 Fuel gas 12 5.2.9 Air supply 12 5.2.10 Laboratory fumehood/chamber 13 5.3 Production of the test flame . 13 5.4 Confirmation of the test flame 13 5.4.1 Principle 13 5.4.2 Procedure 13 5.4.3 Verification 14 6 Classification and designation 14 Annex A (normative) Test a
23、rrangements Method A . 17 Annex B (normative) Test arrangement Method C . 21 60695-11-3 IEC:2012 3 Annex C (informative) Recommended arrangements for the use of either of the test flames . 26 Annex D (informative) Test arrangements for tests on equipment . 27 Annex E (informative) Test arrangements
24、for tests on material 28 Bibliography 29 Figure 1 Flame dimensions 15 Figure 2 Copper block 15 Figure 3 Flame height gauge . 16 Figure A.1 General assembly and details . 18 Figure A.2 Supply arrangement for burner (example) . 19 Figure A.3 Confirmatory test arrangement 20 Figure B.1 Burner, method C
25、 General assembly 21 Figure B.2 Burner details Burner barrel, O-ring, air manifold and air supply tube. 22 Figure B.3 Burner details Gas supply tube and gas jet 23 Figure B.4 Burner details Burner base and elbow block. 23 Figure B.5 Supply arrangement for burner (example) . 24 Figure B.6 Confirmator
26、y test arrangement 25 Figure D.1 Examples of test arrangements . 27 Figure E.1 Examples of test arrangements . 28 4 60695-11-3 IEC:2012 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIRE HAZARD TESTING Part 11-3: Test flames 500 W flames Apparatus and confirmational test methods FOREWORD 1) The Intern
27、ational Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electr
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34、areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification 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 inc
35、luding individual 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 rel
36、iance upon, this 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
37、elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60695-11-3 has been prepared by IEC technical committee 89: Fire hazard testing. This first edition of IEC 60695-11-3 canc
38、els and replaces the second edition of IEC/TS 60695-11-3 published in 2004. It constitutes a technical revision and now has the status of an International Standard. It has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC Guide 51. The main changes with respect to
39、 the previous edition are the integration of minor editorial and technical changes throughout the text. 60695-11-3 IEC:2012 5 The text of this standard is based on the following documents: FDIS Report on voting 89/1113/FDIS 89/1117/RVD Full information on the voting for the approval of this standard
40、 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 the parts in the IEC 60695 series, under the general title Fire hazard testing, can be found on the IEC website. IEC 60695-11 consist
41、s of the following parts: Part 11-2: Test flames 1 kW nominal pre-mixed flame Apparatus, confirmatory test arrangement and guidance Part 11-3: Test flames 500 W flames Apparatus and confirmational test methods Part 11-4: Test flames 50 W flame Apparatus and confirmational test method Part 11-5: Test
42、 flames Needle-flame test method Apparatus, confirmatory test arrangement and guidance Part 11-10: Test flames 50 W horizontal and vertical flame test methods Part 11-11: Test flames Determination of the characteristic heat flux for ignition from a non-contacting flame source Part 11-20: Test flames
43、 500 W flame test methods Part 11-30: Test flames History and development from 1979 to 1999 Part 11-40: Test flames Confirmatory tests Guidance The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/we
44、bstore.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. 6 60695-11-3 IEC:2012 INTRODUCTION The best method for testing electrotechnical products with regard to fire hazard is to duplicate
45、 exactly the conditions occurring in practice. In most instances, this is not possible. Accordingly, for practical reasons, the testing of electrotechnical products with regard to fire hazard is best conducted by simulating as closely as possible the actual effects occurring in practice. Work initia
46、ted by ACOS resulted in a series of standards that make available standardized test flames covering a range of powers for the use of all product committees needing such test flames. A needle flame is described in IEC 60695-11-5, a 50 W flame is described in IEC 60695-11-4, and a 1 kW flame is descri
47、bed in IEC 60695-11-2. This international standard provides a description of the apparatus required to produce either of two 500 W test flames, and also provides a description of a calibration procedure to check that the test flame produced meets given requirements. Guidance on confirmatory tests fo
48、r test flames is given in IEC 60695-11-40. Four 500 W test flame methods were originally specified in Edition 1 of IEC/TS 60695-11-3, with the intention that users would determine a ranking preference. This process has resulted in two of these flame methods, B and D, being withdrawn, as shown below:
49、 500 W test flame method Flame type Gas Approximate flame height / mm A Pre-mixed Methane 125 B Withdrawn C Pre-mixed Methane or propane 125 D Withdrawn Method A was first published in 1994 and was based on existing hardware. The flame is produced by burning methane, and the method makes use of a more tightly specified version of a burner that was used in so
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