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    BS EN ISO 14451-7-2013 Pyrotechnic articles Pyrotechnic articles for vehicles Requirements and categorization for seatbelt pretensioners《点火制品 机动车辆点火制品 座椅安全带预紧器要求和分类》.pdf

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    BS EN ISO 14451-7-2013 Pyrotechnic articles Pyrotechnic articles for vehicles Requirements and categorization for seatbelt pretensioners《点火制品 机动车辆点火制品 座椅安全带预紧器要求和分类》.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 14451-7:2013Pyrotechnic articles Pyrotechnic articles for vehiclesPart 7: Requirements and categorization for seatbelt pretensionersBS EN ISO 14451-7:2013 BRITISH STAND

    2、ARDNational forewordThis British Standard is the UK implementation of EN ISO 14451-7:2013.The UK participation in its preparation was entrusted to T e c h n i c a lCommittee CII/47, Pyrotechnic articles.A list of organizations represented on this committee can beobtained on request to its secretary.

    3、This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI Standards Limited 2013 ISBN 978 0 580 69668 8 ICS 43.040.80 Compliance with a British Standard cannot co

    4、nfer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2013.Amendments issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 14451-7 March 2013 ICS 43.0

    5、40.80 English Version Pyrotechnic articles - Pyrotechnic articles for vehicles - Part 7: Requirements and categorization for seatbelt pretensioners (ISO 14451-7:2013) Articles pyrotechniques - Articles pyrotechniques pour vhicules - Partie 7: Exigences relatives aux prtensionneurs de ceinture et leu

    6、r classement en catgories (ISO 14451-7:2013) Pyrotechnische Gegenstnde - Pyrotechnische Gegenstnde fr Fahrzeuge - Teil 7: Anforderungen und Kategorisierung von Gurtstraffern (ISO 14451-7:2013) This European Standard was approved by CEN on 9 February 2013. CEN members are bound to comply with the CEN

    7、/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 standards may be obtained on application to the CEN-CENELEC Management Cen

    8、tre 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 notified to the CEN-CENELEC Management Centre has the same status as th

    9、e official versions. CEN members are the national standards bodies of 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, Nether

    10、lands, 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 2013 CEN All rights of exploi

    11、tation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 14451-7:2013: EBS EN ISO 14451-7:2013EN 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 wh

    12、ich is held by NEN, in collaboration with Technical CommitteeISO/TC 22 “Road vehicles“. This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement, at the latest by September 2013, and conflicting national standards shall bewi

    13、thdrawn at the latest by September 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patentrights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandat

    14、e given to CEN by the European Commission and theEuropean Free Trade Association, and supports essential requirements of EU Directive. For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document. According to the CEN-CENELEC Internal Regulations, the nati

    15、onal standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, CzechRepublic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Latvia, Lithua

    16、nia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,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. BS EN ISO 14451-7:2013EN ISO

    17、 14451-7:2013 (E) 4 Annex ZA (informative) Relationship between this European Standard and the EssentialRequirements of EC Directive 2007/23/EC on the placing on the marketof pyrotechnic articles This European Standard has been prepared under a mandate given to CEN by the European Commissionand the

    18、European Free Trade Association to provide one means of conforming to Essential Requirements ofthe New Approach Directive 2007/23/EC on the placing on the market of pyrotechnic articles. Once this standard is cited in the Official Journal of the European Union under that Directive and has beenimplem

    19、ented as a national standard in at least one Member State, compliance with the normative clauses ofthis standard given in Table ZA.1 confers, within the limits of the scope of this standard, a presumption ofconformity with the corresponding Essential Requirements of that Directive and associated EFT

    20、A regulations. Table ZA.1 Correspondence between this European Standard and Directive 2007/23/EC on theplacing on the market of pyrotechnic articles (1 of 2) Clause(s)/sub-clause(s) of this document Essential Safety Requirements (ESRs) of Directive 2007/23/EC Qualifying remarks/Notes 4.8 (1) Note: I

    21、t is taken into account that the intended purpose of the pyrotechnic article is to function in a vehicle in case of accidents (2) See ISO 14451-2 4.8 (3) 1st sentence 4.8 (3) 2nd and 3rd sentences Note: It is taken into account that the intended purpose of the pyrotechnic article is to function in a

    22、 vehicle in case of accidents 4.2 (3a) 4.5 (3b) 4.3, 4.4, 4.6 (3c) 4.5 (3d) 4.5 (3e) 4.4, 4.5 (3f) 4.4 (3g) (3h) See ISO 14451-3 4.3, 4.5 (3i) (3j) See ISO 14451-2 4.3, 4.4, 4.6 (3) Last sentence 1 (4a) 1 (4b) BS EN ISO 14451-7:2013EN ISO 14451-7:2013 (E) 5 Table ZA.1 (2 of 2) Clause(s)/sub-clause(s

    23、) of this document Essential Safety Requirements (ESRs) of Directive 2007/23/EC Qualifying remarks/Notes 4.2, 4.8, 6 (5 B.1) (5 B.2) See ISO 14451-2 and ISO 14451-3 4.6, 4.7 (5 B.3) (5 B.4) Not applicable (5 C.1) to (5 C. 5) Not applicable 4.2 (5 C.6) (5 C.7) Not applicable WARNING Other requirement

    24、s and other EU Directives may be applicable to the product(s) falling within the scope of this part of EN ISO 14451. BS EN ISO 14451-7:2013ISO 14451-7:2013(E) ISO 2013 All rights reserved iiiContents PageForeword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Requirements and acce

    25、ptance criteria . 14.1 General . 14.2 Verification of design and documentation 14.3 Drop test . 24.4 Vibration and temperature test 24.5 Thermal humidity cycling test . 24.6 Electrostatic discharge (ESD) test 24.7 Fire test 34.8 Functioning test . 35 Test matrix for seatbelt pretensioners 36 Categor

    26、ization of seatbelt pretensioners . 4BS EN ISO 14451-7:2013ISO 14451-7:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO

    27、 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates cl

    28、osely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draf

    29、t International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this docume

    30、nt may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 14451-7 was prepared by the European Committee for Standardization (CEN) Technical Committee CEN/TC 212, Pyrotechnic articles, in collaboration with Technical Committee ISO/TC

    31、22, Road vehicles, Subcommittee SC 12, Passive safety crash protection systems, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).ISO 14451 consists of the following parts, under the general title Pyrotechnic articles Pyrotechnic articles for vehicles:

    32、Part 1: 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 seatbel

    33、t pretensioners Part 8: Requirements and categorization for igniters Part 9: Requirements and categorization for actuators Part 10: Requirements and categorization for semi-finished productsiv ISO 2013 All rights reservedBS EN ISO 14451-7:2013INTERNATIONAL STANDARD ISO 14451-7:2013(E)Pyrotechnic art

    34、icles Pyrotechnic articles for vehicles Part 7: Requirements and categorization for seatbelt pretensioners1 ScopeThis part of ISO 14451 specifies the types and order of tests to be applied to the seatbelt pretensioners and sets out the associated acceptance criteria and means of categorization.This

    35、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 for black powder or flash composition.2 Normative referencesThe following referenced documents are indispensable for the application of thi

    36、s document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 14451-1, Pyrotechnic articles Pyrotechnic articles for vehicles Part 1: TerminologyISO 14451-2:2013, Pyrotechnic articles Pyr

    37、otechnic articles for vehicles Part 2: Test methodsISO 14451-4:2013, Pyrotechnic articles Pyrotechnic articles for vehicles Part 4: Requirements and categorization for micro gas generatorsISO 14451-5:2013, Pyrotechnic articles Pyrotechnic articles for vehicles Part 5: Requirements and categorization

    38、 for airbag gas generatorsISO 14451-8:2013, Pyrotechnic articles Pyrotechnic articles for vehicles Part 8: Requirements and categorization for igniters3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 14451-1 apply.4 Requirements and acceptance criteria

    39、4.1 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 and documentationDocumentation shall be complete as specified in ISO 14451-2:2013, 4.1. ISO 2013 All rights reserved 1BS EN ISO 14451-7:201

    40、3ISO 14451-7:2013(E)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 seatbelt pretensioner are already successfully tested according to ISO 14451-4:2013, 4.3 and ISO 14451-5:2013, 4.3, thes

    41、e 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 pyrotechnic composition from the seatbelt pretensioner shall occur.4.4 Vibration and temperature test4.4.1 RequirementsSeatbelt

    42、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 according 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 f

    43、or 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 pretensioner shall occur.4.5 Thermal humidity cycling test4.5.1 RequirementsSeatbelt pretensioners shall be tested as speci

    44、fied 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 14451-5:2013, 4.5 and ISO 14451-8:2013, 4.4, these tests should be considered passed for the seatbelt pretensioner as well.4

    45、.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 specified in ISO 14451-2:2013, 4.5.If all gas generators/igniters contained within the seatbelt pretensioner are already succ

    46、essfully 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.2 ISO 2013 All rights reservedBS EN ISO 14451-7:2013ISO 14451-7:2013(E)4.6.2 Acceptance criteriaNo ignition of the seatbe

    47、lt 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/min.The number of burners shall be adequate to the dimensions of the seatbelt pretensioner to compl

    48、etely 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 pretensioner remains at rest without further support, one position shall be chosen with the pyrotechnic

    49、 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 opening 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 ignition of stage 1 and th


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