1、 IEC 60695-2-10 Edition 2.0 2013-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Fire hazard testing Part 2-10: Glowing/hot-wire based test methods Glow-wire apparatus and common test procedure Essais relatifs aux risques du feu Partie 2-10: Essais au fil incandescent/chauffant Appareillage et mthode
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16、si vous avez des questions contactez-nous: csciec.ch. IEC 60695-2-10 Edition 2.0 2013-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Fire hazard testing Part 2-10: Glowing/hot-wire based test methods Glow-wire apparatus and common test procedure Essais relatifs aux risques du feu Partie 2-10: Essais
17、 au fil incandescent/chauffant Appareillage et mthode commune dessai INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE S ICS 13.220.40; 29.020 PRICE CODE CODE PRIX ISBN 978-2-83220-716-1 BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT Registered tradema
18、rk of the International Electrotechnical 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. col
19、our inside 2 60695-2-10 IEC:2013 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 7 4 Description of the test apparatus 8 4.1 Glow-wire 8 4.2 Test circuit and connections 8 4.3 Temperature measuring system. 9 4.4 Specified layer 9 4.5 Test chamb
20、er 9 4.6 Timing device 10 5 Verification of the apparatus . 10 5.1 Verification of the glow-wire tip 10 5.2 Verification of the temperature measuring system . 10 6 Conditioning . 10 7 Common test procedure . 10 7.1 Test specimen support 10 7.2 Glow-wire temperature 11 7.3 Application of the glow-wir
21、e . 11 Annex A (informative) Equipment manufacturers and suppliers 16 Annex B (informative) Guidance on “ignition” and “flaming” observations . 17 Annex C (informative) Guidance on the verification procedure of the glow-wire temperature measuring system by the heating current 19 Bibliography 21 Figu
22、re 1 Glow-wire and position of thermocouple . 12 Figure 2 Test circuit . 12 Figure 3 Test apparatus examples . 14 Figure 4 Test specimen support (example see Figures 3a and 3b) 15 Figure B.1 Example of a brightly shining flame . 17 Figure B.2 Example of a blue corona at the glow-wire tip . 18 Figure
23、 B.3 Example of a blue corona near the glow-wire tip . 18 Figure C.1 Correlation curve between the heating current and the glow-wire temperature (example) 20 60695-2-10 IEC:2013 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIRE HAZARD TESTING Part 2-10: Glowing/hot-wire based test methods Glow-wire
24、 apparatus and common test procedure 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 international co-operation on all questi
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33、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 cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication.
34、 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 identifying any or all such patent rights. International Standard IEC 60695-2-10 has been prepared by IEC technical committee 89: Fir
35、e hazard testing. This second edition of IEC 60695-2-10 cancels and replaces the first edition of IEC 60695-2-10 published in 2000. This edition constitutes a technical revision. It has the status of a basic safety publication in accordance with IEC Guide 104:2010 and ISO/IEC Guide 51:1999. This sta
36、ndard is to be used in conjunction with IEC 60695-2-11, IEC 60695-2-12, and IEC 60695-2-13. The main changes with respect to the previous edition are listed below. The rationale can be found in 89/960A/CC, 89/944A/CC, and 89/1030/CC. 4 60695-2-10 IEC:2013 A table of contents has been added. The intr
37、oduction has been updated to align with other TC89 documents. The scope has been clarified to align with other documents in the IEC 60695-2 Glow-wire series. Terms and definitions relevant to this document have been added. Clause 4 has been deleted and the remaining clauses renumbered. The descripti
38、on of the power supply has been updated with additional details (see 4.1). The temperature measuring system (see 4.3) and the description of the specified layer has been updated (see 4.4). New guidance has been introduced to assist in the verification of the temperature measuring system (see 5.2 and
39、 Annex C). The common test produced has been clarified (see Clause 7). The tolerances have been changed for the dimensions of the glow-wire (see Figure 1). New guidance on flaming observations has been added (see Annex B). The text of this standard is based on the following documents: FDIS Report on
40、 voting 89/1154/FDIS 89/1163/RVD Full information on the voting 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. A list of all parts in the IEC 60695 series, publi
41、shed under the general title Fire hazard testing, can be found on the IEC website. 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:/webstore.iec.ch“ in the data related to the specific publicatio
42、n. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 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
43、 should therefore print this document using a colour printer. 60695-2-10 IEC:2013 5 INTRODUCTION In the design of any electrotechnical product, the risk of fire and the potential hazards associated with fire need to be considered. In this respect the objective of component, circuit, and product desi
44、gn, as well as the choice of materials, is to reduce to acceptable levels the potential risks of fire during normal operating conditions, reasonable foreseeable abnormal use, malfunction, and/or failure. IEC 60695-1-10 was developed, together with its companion, IEC 60695-1-11, to provide guidance o
45、n how this is to be accomplished. The primary aims of IEC 60695-1-10 and IEC 60695-1-11 are to provide guidance on how: a) to prevent ignition caused by an electrically energized component part, and b) to confine any resulting fire within the bounds of the enclosure of the electrotechnical product i
46、n the event of ignition. Secondary aims of these documents include the minimization of any flame spread beyond the products enclosure and the minimization of harmful effects of fire effluents such as heat, smoke, toxicity and/or corrosivity. Fires involving electrotechnical products can also be init
47、iated from external non-electrical sources. Considerations of this nature should be dealt with in the overall fire risk assessment. In electrotechnical equipment, overheated metal parts can act as ignition sources. In glow- wire tests, a glowing wire is used to simulate such an ignition source. This
48、 part of IEC 60695 gives recommendations with regard to the glow-wire test apparatus and describes a common test procedure for tests applicable to end products and materials to be used with IEC 60695-2-11 which describes a glow-wire flammability test for end products (GWEPT), IEC 60695-2-12 which de
49、scribes a glow-wire flammability index test for materials (GWFI), and IEC 60695-2-13 which describes a glow-wire ignition temperature test method for materials (GWIT). 6 60695-2-10 IEC:2013 FIRE HAZARD TESTING Part 2-10: Glowing/hot-wire based test methods Glow-wire apparatus and common test procedure 1 Scope This part of IEC 60695 specifies the glow-wire apparatus and common test procedure to
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