1、August 2013 Translation by DIN-Sprachendienst.English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、43.040.80; 71.100.30!%mw“2047484www.din.deDDIN EN ISO 14451-7Pyrotechnic articles Pyrotechnic articles for vehicles Part 7: Requirements and categorization for seatbelt pretensioners(ISO 14451-7:2013);English version EN ISO 14451-7:2013,English translation of DIN EN ISO 14451-7:2013-08Pyrotechnische
3、 Gegenstnde Pyrotechnische Gegenstnde fr Fahrzeuge Teil 7: Anforderungen und Kategorisierung von Gurtstraffern (ISO 14451-7:2013);Englische Fassung EN ISO 14451-7:2013,Englische bersetzung von DIN EN ISO 14451-7:2013-08Articles pyrotechniques Articles pyrotechniques pour vhicules Partie 7: Exigences
4、 relatives aux prtensionneurs de ceinture et leur classement encatgories (ISO 14451-7:2013);Version anglaise EN ISO 14451-7:2013,Traduction anglaise de DIN EN ISO 14451-7:2013-08www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages07
5、.13 DIN EN ISO 14451-7:2013-08 2 A comma is used as the decimal marker. National foreword The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Materials Testing Standards Committee), Working Committee NA 062-08-81 AA Pyrotechnische Gegen-stnde. The DIN Stan
6、dards corresponding to the International Standards referred to in this document are as follows: ISO 14451-1 DIN EN ISO 14451-1 ISO 14451-2 DIN EN ISO 14451-2 ISO 14451-4 DIN EN ISO 14451-4 ISO 14451-5 DIN EN ISO 14451-5 ISO 14451-8 DIN EN ISO 14451-8 National Annex NA (informative) Bibliography DIN
7、EN ISO 14451-1, Pyrotechnic articles Pyrotechnic articles for vehicles Part 1: Terminology DIN EN ISO 14451-2, Pyrotechnic articles Pyrotechnic articles for vehicles Part 2: Test methods DIN EN ISO 14451-4, Pyrotechnic articles Pyrotechnic articles for vehicles Part 4: Requirements and categorizatio
8、n for micro gas generators DIN EN ISO 14451-5, Pyrotechnic articles Pyrotechnic articles for vehicles Part 5: Requirements and categorization for airbag gas generators DIN EN ISO 14451-8, Pyrotechnic articles Pyrotechnic articles for vehicles Part 8: Requirements and categorization for igniters This
9、 document (EN ISO 14451-7:2013) has been prepared by Technical Committee CEN/TC 212 “Pyrotechnic articles” (Secretariat: NEN, Netherlands) in collaboration with ISO/TC 22 “Road vehicles”, Subcommittee 12 “Passive safety crash protection systems” (Secretariat: AFNOR, France), in accordance with the a
10、greement on technical cooperation between ISO and CEN (Vienna Agreement). EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 14451-7 March 2013 ICS 43.040.80 English Version Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 7: Requirements and categorization for seatbelt pretensi
11、onersArticles pyrotechniques - Articles pyrotechniques pour vhicules - Partie 7: Exigences relatives aux prtensionneurs de ceinture et leur classement en catgories (ISO 14451-7:2013) Pyrotechnische Gegenstnde - Pyrotechnische Gegenstnde fr Fahrzeuge - Teil 7: Anforderungen und Kategorisierung von Gu
12、rtstraffern (ISO 14451-7:2013) This European Standard was approved by CEN on 9 February 2013. 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-dat
13、e lists and bibliographical references concerning such national standards 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
14、under the responsibility of a CEN member into its own language and notified 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, Form
15、er Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT
16、EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 14451-7:2013: E(ISO 14451-7:2013) EN ISO 14451-7:2013 (E) 2 Conte
17、nts Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Requirements and acceptance criteria 4 4.1 General 4 4.2 Verification of design and documentation 4 4.3 Drop test .5 4.4 Vibration and temperature test .5 4.5 Thermal humidity cycling test 5 4.6 Electrostatic dischar
18、ge (ESD) test .5 4.7 Fire test .6 4.8 Functioning test .6 5 Test matrix for seatbelt pretensioners 6 6 Categorization of seatbelt pretensioners 7 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EC Directive 2007/23/EC on the placing on the market
19、of pyrotechnic articles 8 DIN EN ISO 14451-7:2013-08 EN ISO 14451-7:2013 (E) 3 Foreword This document (EN ISO 14451-7:2013) has been prepared by Technical Committee CEN/TC 212 “Pyrotechnic articles” the secretariat of which is held by NEN, in collaboration with Technical Committee ISO/TC 22 “Road ve
20、hicles”. 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 September 2013, and conflicting national standards shall be withdrawn at the latest by September 2013. Attention is drawn to the possibilit
21、y 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 has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Associ
22、ation, and supports essential requirements of EU Directive. For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document. EN ISO 14451 consists of the following parts, under the general title Pyrotechnic articles Pyrotechnic articles for vehicles: Part 1:
23、Terminology Part 2: Test methods Part 3: Labelling Part 4: Requirements and categorization for micro gas generators Part 5: Requirements and categorization for airbag gas generators Part 6: Requirements and categorization for airbag modules Part 7: Requirements and categorization for seatbelt preten
24、sioners Part 8: Requirements and categorization for igniters Part 9: Requirements and categorization for actuators Part 10: Requirements and categorization for semi-finished products According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries ar
25、e bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Po
26、rtugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 14451-7:2013 has been approved by CEN as EN ISO 14451-7:2013 without any modification. DIN EN ISO 14451-7:2013-08 1 ScopeThis part of ISO 14451 specifies the types and o
27、rder of tests to be applied to the seatbelt pretensioners and sets out the associated acceptance criteria and means of categorization.This part of ISO 14451 applies to type tests.This part of ISO 14451 is not applicable to articles containing military explosives or commercial blasting agents except
28、for black powder or flash composition.2 Normative referencesThe 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
29、) applies.ISO 14451-1, Pyrotechnic articles Pyrotechnic articles for vehicles Part 1: TerminologyISO 14451-2:2013, Pyrotechnic articles Pyrotechnic articles for vehicles Part 2: Test methodsISO 14451-4:2013, Pyrotechnic articles Pyrotechnic articles for vehicles Part 4: Requirements and categorizati
30、on for micro gas generatorsISO 14451-5:2013, Pyrotechnic articles Pyrotechnic articles for vehicles Part 5: Requirements and categorization for airbag gas generatorsISO 14451-8:2013, Pyrotechnic articles Pyrotechnic articles for vehicles Part 8: Requirements and categorization for igniters3 Terms an
31、d definitionsFor the purposes of this document, the terms and definitions given in ISO 14451-1 apply.4 Requirements and acceptance criteria4.1 GeneralSeatbelt pretensioners shall meet the requirements specified in 4.2 to 4.8 taking into account the test matrix of Clause 5.4.2 Verification of design
32、and documentationDocumentation shall be complete as specified in ISO 14451-2:2013, 4.1.EN ISO 14451-7:2013 (E) 4DIN EN ISO 14451-7:2013-08 4.3 Drop test4.3.1 RequirementsSeatbelt pretensioners shall be tested as specified in ISO 14451-2:2013, 4.2.If all gas generators/igniters contained within the s
33、eatbelt pretensioner are already successfully tested according to ISO 14451-4:2013, 4.3 and ISO 14451-5:2013, 4.3, these tests should be considered passed for the seatbelt pretensioner as well.4.3.2 Acceptance criteriaNo ignition of the seatbelt pretensioner shall occur.No spill out of the pyrotechn
34、ic composition from the seatbelt pretensioner shall occur.4.4 Vibration and temperature test4.4.1 RequirementsSeatbelt pretensioners shall be tested as specified in ISO 14451-2:2013, 4.3.If all gas generators/igniters contained within the seatbelt pretensioner are already successfully tested accordi
35、ng to ISO 14451-4:2013, 4.4, ISO 14451-5:2013, 4.4 and ISO 14451-8:2013, 4.3, these tests should be considered passed for the seatbelt pretensioner as well.4.4.2 Acceptance criteriaNo ignition of the seatbelt pretensioner shall occur.No spill out of the pyrotechnic composition from the seatbelt pret
36、ensioner shall occur.4.5 Thermal humidity cycling test4.5.1 RequirementsSeatbelt pretensioners shall be tested as specified in ISO 14451-2:2013, 4.4.If all gas generators/igniters contained within the seatbelt pretensioner are already successfully tested according to ISO 14451-4:2013, 4.5, ISO 14451
37、-5:2013, 4.5 and ISO 14451-8:2013, 4.4, these tests should be considered passed for the seatbelt pretensioner as well.4.5.2 Acceptance criteriaNo ignition of the seatbelt pretensioner shall occur.4.6 Electrostatic discharge (ESD) test4.6.1 RequirementsSeatbelt pretensioners shall be tested as specif
38、ied in ISO 14451-2:2013, 4.5.If all gas generators/igniters contained within the seatbelt pretensioner are already successfully tested according to ISO 14451-4:2013, 4.6, ISO 14451-5:2013, 4.6 and ISO 14451-8:2013, 4.5, these tests should be considered passed for the seatbelt pretensioner as well.EN
39、 ISO 14451-7:2013 (E) 5DIN EN ISO 14451-7:2013-08 4.6.2 Acceptance criteriaNo ignition of the seatbelt pretensioner shall occur.4.7 Fire test4.7.1 RequirementsSeatbelt pretensioners shall be tested as specified in ISO 14451-2:2013, 4.6 with the following heating rate and positions: Heating rate: 80K
40、/min.The number of burners shall be adequate to the dimensions of the seatbelt pretensioner to completely engulf the seatbelt pretensioner by the flames. Position for seatbelt pretensioners:The seatbelt pretensioner shall be tested in two positions. From all possible positions where the seatbelt pre
41、tensioner remains at rest without further support, one position shall be chosen with the pyrotechnic component closest to the grid and a second position shall be chosen with the pyrotechnic component farthest away from the grid.4.7.2 Acceptance criteriaOnly foreseeable fragmentation or foreseeable o
42、pening of the seatbelt pretensioner shall occur.4.8 Functioning test4.8.1 RequirementsSeatbelt pretensioners shall be tested as specified in ISO 14451-2:2013, 4.9 with the seatbelt pretensioner in any position without fixation.When multi-stage seatbelt pretensioners are tested, the delay between ign
43、ition of stage 1 and the following stages shall be 5 ms or in accordance with the product specification or requirements.4.8.2 Acceptance criteriaOnly intended fragmentation or intended opening of the seatbelt pretensioner shall occur.5 Test matrix for seatbelt pretensionersTable 1 shows a test matri
44、x which summarizes all tests in an overview. Test samples have been numbered from 1 to 11 for easier reference. The roman numbers in the Table indicate in which sequence the same sample will undergo different examinations.EN ISO 14451-7:2013 (E) 6DIN EN ISO 14451-7:2013-08 Table 1 Test matrixTest me
45、thods of ISO 14451-2:2013Requirements of ISO 14451-7:2013Unexposed seatbelt pretensionersExposed seatbelt pretensionersSample number 1 to 3 4 5 to 6 7 to 9 10 11Possibility to reuse the test from sub-level(s) for the assessment of the seatbelt pretensioner. See relevant test require-ment.NO YES NO Y
46、ES YES YESVerification of design and documentation4.1 4.2 I I I I I IDrop test 4.2 4.3 IIVibration and tempera-ture test4.3 4.4 IIThermal humidity cycling test4.4 4.5 IIElectrostatic discharge (ESD) test4.5 4.6 IIFire test 4.6 4.7 IIFunctioning test 4.9 4.8 II III III6 Categorization of seatbelt pre
47、tensioners6.1 Seatbelt pretensioners are categorized as follows: Category P1: Seatbelt pretensioners that present a low hazard; Category P2: Seatbelt pretensioners that are intended for handling or use only by persons with specialist knowledge.6.2 The assignment to P1 or P2 of the seatbelt pretensio
48、ner is done according to the following criteria when tested under functioning test (see 4.8): P1 criterion: The distance from the initial location to the first impact on the ground of the seatbelt pretensioner or any fragments shall be not more than 15 m. P2 criterion: If P1 criterion is not fulfilled.EN ISO 14451-7:2013 (E) 7DIN EN ISO 14451-7:2013-08 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EC Directive 2007/23
