BS EN 13087-10-2012 Protective helmets Test methods Resistance to radiant heat《防护帽 试验方法 耐热辐射》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 13087-10:2012Protective helmets TestmethodsPart 10: Resistance to radiant heatBS EN 13087-10:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implement

2、ation of EN 13087-10:2012.It supersedes BS EN 13087-10:2000 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PH/6, Head protection.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not

3、purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 68429 6ICS 13.340.20Compliance with a British Standard cannot confer immunity fromlegal obligat

4、ions.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 29 February 2012.Amendments issued since publicationDate Text affectedBS EN 13087-10:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13087-10 February 2012 ICS 13.340.20 Supersedes

5、EN 13087-10:2000English Version Protective helmets - Test methods - Part 10: Resistance to radiant heat Casques de protection - Mthodes dessai - Partie 10: Rsistance la chaleur radiante Schutzhelme - Prfverfahren - Teil 10: Bestndigkeit gegen Strahlungswrme This European Standard was approved by CEN

6、 on 17 December 2011. CEN 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 concerning such national standard

7、s may be obtained on application to the CEN-CENELEC Management Centre or to any CEN 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 CEN member into its own language and notif

8、ied to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania

9、, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 20

10、12 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13087-10:2012: EBS EN 13087-10:2012EN 13087-10:2012 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Terms and definitions .54 Prerequisites 55 Metho

11、ds 55.1 General 55.2 Principle 65.3 Apparatus .65.3.1 General 65.3.2 Heater 65.3.3 Calibrated calorimeter/radiometer .65.3.4 Headform 65.3.5 Temperature sensing elements 65.4 Procedure .75.5 Report .7Annex A (normative) Test results Uncertainty of measurement .9Annex B (informative) Significant tech

12、nical changes between this European Standard and EN 13087-10:2000 10Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 89/686/EEC Personal Protective Equipment 11BS EN 13087-10:2012EN 13087-10:2012 (E) 3 Foreword This document (EN 13087-

13、10:2012) has been prepared by Technical Committee CEN/TC 158 “Head protection”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2012, and conflictin

14、g national standards shall be withdrawn at the latest by August 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document su

15、persedes EN 13087-10:2000. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral pa

16、rt of this document. Annex B provides details of significant technical changes between this European Standard and the previous edition. This European Standard consists of ten parts as follows: Part 1 : Conditions and conditioning; Part 2 : Shock absorption; Part 3 : Resistance to penetration; Part 4

17、 : Retention system effectiveness; Part 5 : Retention system strength; Part 6 : Field of vision; Part 7 : Flame resistance; Part 8 : Electrical properties; Part 9 : Mechanical rigidity1; Part 10 : Resistance to radiant heat. According to the CEN/CENELEC Internal Regulations, the national standards o

18、rganizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,

19、 Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. 1To be published. BS EN 13087-10:2012EN 13087-10:2012 (E) 4 Introduction This European Standard is intended as a supplement to the specific product standards for protective helmets (helmet standards).

20、Test methods may be applicable to complete helmets or parts thereof, and may be referenced in the other helmet standards. Performance requirements are given in the appropriate helmet standard, as are such details as the number of samples, preconditioning, preparation of samples for the tests, sequen

21、ce and duration of testing and assessment of test results. If deviations from the test method given in this standard are necessary, these deviations will be specified in the appropriate helmet standard. BS EN 13087-10:2012EN 13087-10:2012 (E) 5 1 Scope This European Standard specifies methods of tes

22、t for protective helmets. The purpose of these tests is to enable assessment of the performance of the helmet as specified in the appropriate helmet standard. This European Standard specifies the method of test for resistance to radiant heat. 2 Normative references The following documents, in whole

23、or in part, are normatively referenced in this document and are indispensable 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. EN 960:2006, Headforms for use in the tes

24、ting of protective helmets EN 13087-1, Protective helmets Test methods Part 1: Conditions and conditioning 3 Terms and definitions For the purposes of this document, the terms and definitions given in this standard may be found in the appropriate helmet standard. 4 Prerequisites In order to implemen

25、t this part of EN 13087, at least the following parameters shall be specified in the appropriate helmet standard: a) performance requirements; b) number of samples; c) preparation of samples; d) sequence of conditioning; e) sequence of tests; f) the heat flux intensity to be used; g) fitting instruc

26、tions. 5 Methods 5.1 General Testing shall be performed in ambient conditions specified in EN 13087-1. The intensity to be used is specified in the helmet standard. BS EN 13087-10:2012EN 13087-10:2012 (E) 6 5.2 Principle Heat radiation of a known intensity from an infra-red source is allowed to fall

27、 onto the outer surface of a helmet mounted on an instrumented headform. The temperature of the headform surface is measured. 5.3 Apparatus 5.3.1 General The apparatus shall include: a heater; a calibrated radiometer/calorimeter; a test headform; a set of temperature sensing elements and temperature

28、 indicator. The principle of a suitable apparatus is shown in Figure 1. 5.3.2 Heater A heater is mounted with its radiating surface horizontal and facing downwards. The radiating surface shall be flat with dimensions (250 5) mm by (250 5) mm. The peak wavelength of the emitted heat radiation shall b

29、e between 2 m and 3 m. The intensity of radiation shall be uniform and shall be adjustable. 5.3.3 Calibrated calorimeter/radiometer A calibrated (see notes) calorimeter/radiometer is mounted with its sensing surface horizontal and facing upwards. It is free to move horizontally so that the centre of

30、 its sensing surface can be brought centrally underneath the heater. NOTE 1 The test equipment should be located away from surfaces which reflect the radiant heat which may fall on them or allow passage of measurable quantities of heat into the test equipment area. NOTE 2 The effects of draughts sho

31、uld be minimized. 5.3.4 Headform A headform, constructed of hardwood or of any material with an equivalent thermal conductivity and complying with EN 960:2006, shall be mounted on a movable and adjustable device. The test site shall be as specified in the helmet standard, corresponding to a nominal

32、30 lateral inclination of the headform relative to the vertical. NOTE All supports for headform and radiometer/calorimeter should be of low heat conductivity and reflectivity. 5.3.5 Temperature sensing elements Three calibrated (see notes) temperature sensing elements (each preferably consisting of

33、a thermocouple mounted on a circular copper disc of (7 1) mm diameter) are secured by electrically insulating adhesive to the headform surface on the side to be exposed to the heat. BS EN 13087-10:2012EN 13087-10:2012 (E) 7 Their centres shall lie within 5 mm of the points defined by the intersectio

34、n of a transverse vertical plane passing through the test site and: a) the central vertical axis; b) the AA plane (as defined in EN 960:2006, 2.4); c) midway between position a) and b) measured along the headform surface. NOTE Suitable ISO or CEN standards should be selected, when available, for the

35、se calibration requirements. 5.4 Procedure 5.4.1 Mount the helmet on the headform in the manner it is intended to be worn on the head, with the test site lying centrally beneath the heater and measure the distance, d (see Figure 1) from the radiating surface. Record the temperatures on the headform.

36、 5.4.2 Move the helmeted headform aside to allow setting of the radiant heat intensity. 5.4.3 Move the radiometer/calorimeter centrally beneath the heater and adjust the distance, d (see Figure 1) from the radiating surface to correspond with that measured in 5.4.1. Adjust the heater controls until

37、the heat flux intensity measured is as specified in the appropriate helmet standard. Remove the radiometer/calorimeter. 5.4.4 Replace the helmeted headform in the position determined in 5.4.1 and expose the helmet to the radiant heat for (180 2) s. At the end of this period, record the temperatures

38、on the headform. 5.4.5 Switch off the heater and remove the helmet. Allow the helmet to cool to ambient temperature for at least 4 h before performing any further tests. 5.5 Report Report the maximum difference between the temperatures measured in 5.4.1 and 5.4.4.BS EN 13087-10:2012EN 13087-10:2012

39、(E) 8 a) Measuring the radiant heat (5.4.3) b) Test set-up Key 1 heater 2 radiating surface 3 test site 4 helmet 5 headform 6 radiometer/calorimeter Figure 1 Schematic drawing for the radiant heat test BS EN 13087-10:2012EN 13087-10:2012 (E) 9 Annex A (normative) Test results Uncertainty of measurem

40、ent For each of the required measurements performed in accordance with this European Standard, a corresponding estimate of the uncertainty of measurement shall be evaluated. This estimate of uncertainty shall be applied and stated when reporting test results, in order to enable the user of the test

41、report to assess the reliability of the data. BS EN 13087-10:2012EN 13087-10:2012 (E) 10 Annex B (informative) Significant technical changes between this European Standard and EN 13087-10:2000 The significant changes with respect to the first edition of EN 13087-10 are as listed below. Table B.1 Sig

42、nificant changes between this European Standard and EN 13087-10:2000 Clause/paragraph/table/figure ChangeClause 2 The normative references in Clause 2 and in the text have been updated. .EN960 has been dated throughout the text. 5.3.5 Reference to specific EN960:2006 clause 2.4 added. Annex ZA The A

43、nnex has been updated. NOTE The technical changes referred include the significant technical changes from the EN revisedbut is not an exhaustive list of all modifications from the previous version. BS EN 13087-10:2012EN 13087-10:2012 (E) 11 Annex ZA (informative) Relationship between this European S

44、tandard and the Essential Requirements of EU Directive 89/686/EEC Personal Protective Equipment This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the N

45、ew Approach Directive 89/686/EEC Personal Protective Equipment. Once this standard is cited in the Official Journal of the European Union under that Directive and has been implemented as a national standard in at least one Member State, compliance with the clauses of this standard, together with the

46、 relevant requirements given in the product standard, confers, within the limits of the scope of this standard, a presumption of conformity with the Essential Requirements 3.6 of Annex II of that Directive and associated EFTA regulations. This page deliberately left blankThis page deliberately left

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