EN 60512-7-2-2012 en Connectors for electronic equipment - Tests and measurements Part 7-2 Impact tests (free connectors) - Test 7b Mechanical strength impact《电子设备连连接器 试验和测量 第7-2部分.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationConnectors for electronic equipment Tests and measurementsPart 7-2: Impact tests (free connectors) Test 7b: Mechanical strength impactBS EN 60512-7-2:2012National forewordThis Br

2、itish Standard is the UK implementation of EN 60512-7-2:2012. It isidentical to IEC 60512-7-2:2011. It supersedes Test 7b from BS 5772-5:1993,IEC 60512-5:1992 which will remain current until all the tests it contains havebeen revised.The UK participation in its preparation was entrusted to Technical

3、 CommitteeEPL/48, Electromechanical components and mechanical structures for electronic equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are respons

4、ible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 62112 3ICS 31.220.01; 31.220.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the

5、StandardsPolicy and Strategy Committee on 29 February 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60512-7-2:2012EUROPEAN STANDARD EN 60512-7-2 NORME EUROPENNE EUROPISCHE NORM February 2012 CENELEC European Committee for Electrotechnical Standardization Co

6、mit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60512-7-2:2012 E ICS 31.220

7、.01; 31.220.10 English version Connectors for electronic equipment - Tests and measurementsPart 7-2: Impact tests (free connectors) - Test 7b: Mechanical strength impact (IEC 60512-7-2:2011) Connecteurs pour quipements lectroniques - Essais et mesures - Partie 7-2: Essais dimpact (fiches) - Essai 7b

8、: Rsistance mcanique aux chocs (CEI 60512-7-2:2011) Steckverbinder fr elktronische Einrichtungen - Mess- und Prfverfahren - Teil 7-2: Aufprallprfungen (freie Steckverbinder) - Prfung 7b: Kabelgebundene Fallprfung (IEC 60512-7-2:2011) This European Standard was approved by CENELEC on 2011-12-22. CENE

9、LEC 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 standards may be obtained on a

10、pplication to the CEN-CENELEC Management Centre or to any CENELEC 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 CENELEC member into its own language and notified to the CEN

11、-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lith

12、uania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 60512-7-2:2012EN 60512-7-2:2012 - 2 - Foreword The text of document 48B/2258/FDIS, future edition 1 of IEC 60512-7-2, prepared by SC 48B,

13、 “Connectors“, of IEC TC 48, “Electromechanical components and mechanical structures for electronic equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60512-7-2:2012. The following dates are fixed: latest date by which the document has to be implemented at nation

14、al level by publication of an identical national standard or by endorsement (dop) 2012-09-22 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2014-12-22 Attention is drawn to the possibility that some of the elements of this document may be the sub

15、ject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60512-7-2:2011 was approved by CENELEC as a European Standard without any modification. In the official version, for Bi

16、bliography, the following notes have to be added for the standards indicated: IEC 60068-2-31:2008 NOTE Harmonized as EN 60068-2-31:2008 (not modified). IEC 60512-1 NOTE Harmonized as EN 60512-1. IEC 60512-1-100 NOTE Harmonized as EN 60512-1-100. BS EN 60512-7-2:2012- 3 - EN 60512-7-2:2012 Annex ZA (

17、normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For

18、undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60512-1-1 - Connectors for ele

19、ctronic equipment - Tests and measurements - Part 1-1: General examination - Test 1a: Visual examination EN 60512-1-1 - BS EN 60512-7-2:2012 2 60512-7-2 IEC:2011 CONTENTS 1 Scope and object 5 2 Normative references . 5 3 Preparation 5 3.1 Preparation of the specimen 5 3.2 Equipment . 5 3.3 Mounting

20、. 5 4 Test method . 6 5 Test requirements 6 6 Details to be specified 7 Bibliography 8 Figure 1 Example of mounting arrangement . 6 BS EN 60512-7-2:201260512-7-2 IEC:2011 5 CONNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS Part 7-2: Impact tests (free connectors) Test 7b: Mechanical strengt

21、h impact 1 Scope and object This part of IEC 60512, when required by the detail specification, is used for testing connectors within the scope of technical committee 48. It may also be used for similar devices when specified in a detail specification. The object of this standard is to detail a stand

22、ard test method to assess the ability of a free connector on the end of a cable or wire bundle to withstand impacts it could receive when dropped onto a hard surface. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated reference

23、s, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60512-1-1: Connectors for electronic equipment Tests and measurements Part 1-1: General examination, Test 1a: Visual examination 3 Preparation Preparation

24、of the specimen 3.1The specimen shall consist of a free connector or a similar component with its accessories fitted in the normal manner and wired as used in the normal application. The specimen shall be prepared in accordance with the detail specification. Unless otherwise specified, the specimen

25、shall be pre-conditioned at a temperature between 15 C and 35 C and a RH between 25 % and 75 % RH during 48 h. If the component is normally provided for use with different types of cables, the thinnest and/or most flexible type shall be used. The length of the cable or wire bundle shall allow the re

26、ar of the specimen to be (2 250 10) mm from the point of attachment. Equipment 3.2A steel plate 300 mm 500 mm of 25 mm thickness shall be positioned so that the component under test will fall onto it. Mounting 3.3The specimen shall be attached in an appropriate manner at a distance of (2 250 10) mm

27、from the rear of the component so that the specimen may swing freely from a horizontal to a vertical position as shown in Figure 1. BS EN 60512-7-2:2012 6 60512-7-2 IEC:2011 NOTE An appropriate manner may be the attachment to a swivel. In many cases, however, simply attaching to a hook may be suffic

28、ient. The specimen shall be attached at one of the following preferred heights: (2 000 10) mm (1 750 10) mm (1 500 10) mm (1 250 10) mm (1 000 10) mm ( 750 10) mm ( 500 10) mm 4 Test method Dimensions in millimetres 2 250 HeightSteel plate IEC 2510/11 Figure 1 Example of mounting arrangement The spe

29、cimen, attached at the specified height, shall be held in a horizontal position in an attitude as specified and dropped on to the steel plate. This cycle shall be repeated for a total number of 3 times unless otherwise specified in the detail specification. NOTE For guidance, IEC 60068-2-31:2008 may

30、 be referenced. 5 Test requirements The component shall be visually examined according to IEC 60512-1-1, test 1a. There shall be no broken parts or damage that would impair operation. BS EN 60512-7-2:201260512-7-2 IEC:2011 7 6 Details to be specified When this test is required by the detail specific

31、ation, the following details shall be specified: a) preparation and pre-conditioning of the specimen; b) type of accessory, when required; c) cable or wire to be used; d) test ambient conditions, if other than standard atmospheric conditions; e) height or heights from which the component is to be dr

32、opped; f) number of dropping cycles at each height; g) change of orientation of the sample (e.g. rotation over 45 ) after each drop, if applicable; h) operational tests and requirements; i) attitude of the specimen; j) any deviation from the standard test method. BS EN 60512-7-2:2012 8 60512-7-2 IEC

33、:2011 Bibliography IEC 60068-2-31:2008: Environmental testing Part 2-31: Tests Test Ec: Rough handling shocks, primarily for equipment-type specimens IEC 60512-1: Connectors for electronic equipment Tests and measurements Part 1: General IEC 60512-1-100: Connectors for electronic equipment Tests and

34、 measurements Part 1-100: General Applicable publications _ BS EN 60512-7-2:2012This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards i

35、n Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fa

36、x +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if

37、anyone finding an inaccuracy or ambiguity while using British Standards would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996

38、7001BSI offers BSI Subscribing Members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of s

39、tandards directly using acredit card from the BSI Shop on the website addition all orders for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI

40、 will supply the British Standard implementation of the relevant international standard, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, Europeanand international standards through its Knowledge Centre.Tel: +44 (0)20 8996 7004 Fax: +44 (0)20 8

41、996 7005Email: BSI Subscribing Members are kept up to date with standards developments and receive substantial discounts on the purchase priceof standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information

42、 regarding online access to British Standards and PASs via British Standards Online can be found at information about British Standards is available on the BSI website at www.bsi- the data, software and documentation set out in all British Standards and other BSI publications are the property of an

43、d copyrighted by BSI, or some person or entity that own copyright in the information used (such as the international standardisation bodies) has formally licensed such information to BSI for commerical publication and use. Except as permitted under the Copyright, Designs and Patents Act 1988 no extr

44、act may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Department.Tel: +44 (0)20 8996 7070Email:

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