1、BRITISH STANDARD AEROSPACE SERIES Elements of electrical and optical connection - Test methods - Part 414: Unmating of lanyard release connectors * m * The European Standard EN 2591414 1998 has the status of a British Standard ICs 49.060 1 BS EN 2591-414:1998 BS EN 2591441998 been prepared under the
2、 Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1998 direction of the Engineering Amd. No. O BSI 1998 ISBN O 580 30713 1 National foreword Date Text affected This British Standard is the English language version of EN 2591414 1998.
3、 The UK participation in its preparation was entrusted by Technical Committee ACW6, Aerospace avionic, electrical and fibre optic technology, to Subcommittee ACW6/3, Aerospace connectors, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible internaion
4、avEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed - monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its se
5、cretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Intedonal Standards Correspondence Index“, or by using the “Find“ faciiity of the BSI Standards
6、Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages Th
7、is document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover. EUROPEAN STANDARD NORME EUROPENNE EURWISCHE NORM EN 2591 41 4 August 1998 ICs 49.060 Descriptors: aircraft industry, aircraft equipment, connecting equipment, test Engl
8、ish version Aerospace series - Elements of electrical and optical connection - Test methods - Part 414: Unmating of lanyard release con nectors Srie arospatiale - Organes de connexlq lectrique et optique - Mthodes dessais - Pare 414: Dsaccouplement des connecteurs largables Luft- und Raumfahit - Ele
9、ktrische und optische Verbindungselemente - Prfverfahren - Teil 414: Trennung von Steckverbindem mit Kabelzugentnegelung This European Standard was approved by CEN on 29 January 1998. CEN members are bound to comply with the CEWCENELEC Intemal Regulations which stipulate the amditions for giving thi
10、s 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 Central Secreiariat or to any CEN member. This European Standard exists in three official versions (E
11、nglish, 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 CenW Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Repu
12、blic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. 7 - - i - - - - e * m * EUROPEAN COMMTEE FOR STANDARDEATION COMITI? EUROPI?EN DE NORMALISATION EUROPISCHES KOMITEE FOR NORMUNG O 1998 CE
13、N All rights of exploitation in any form and by any means resewed worldwide for CEN national Members. Ref. No. EN 2591-414:lW E Page 2 EN 2591414:lQW Forewor This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out
14、 in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA,. prior to its presentation to CEN. This European Standard shall be given the status of a national standard, ehher by pub
15、lication of an identical text or by endorsement, at the latest by February 1999, and conflicting national standards shall be withdrawn at the latest by February 1999. According to the CEWCENELEC Internal Regulations, the national standards organizations of the following countries are bound to implem
16、ent this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. * * rn Page 3 EN 2591-414:1998 1 scope This standard specifies a method of a
17、ssessing the unmating ability of lanyard release connectors. It shall be used together with EN 2591. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text
18、 and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies
19、. EN 2591 Aerospace series - Elements of electrical and optical connection - Test methods - General EN 2591 -1 O1 Aerospace series - Elements of electrical and optical connection - Test methods - Part 1 O1 : Visual examination 1) EN 2591 -201 Aerospace series - Elements of electrical and optical con
20、nection - Test methods - Part 201 : Contact resistance - Low level EN 2591-202 Aerospace series - Elements of electrical and optical connection - Test methods - Part 202: Contact resistance at rated current EN 2591-207 Aerospace series - Elements of electrical and optical connection - Test methods -
21、 Part 207: Voltage proof test EN 2591-310 Aerospace series - Elements of electrical and optical connection - Test methods - Part 310: Cold 1) EN 2591-313 Aerospace series - Elements of electrical and optical connection - Test methods - Part 313: Artificial rain 1) EN 2591-408 Aerospace series - Elem
22、ents of electrical and optical connection - Test methods - Part 408: Mating and unmating forces 1) Preparation of specimens Specimens shall be prepared according to the technical specification. Unless specified in the technical specification, the following details shall be stated: method of mounting
23、, type of cable and definition of specimen wiring; initial measurements (if applicable); mating and unmating forces; contact resistance; value of the puli-out force; angle of application of the pull-out force; number of tests per direction; value of the test voitage; final measurements (if applicabl
24、e). 1) Published as AECMA Prestandard at the date of publication of this standard Page 4 EN 2591-414:1998 4 Apparatus The test equipment shall provide a pulling speed of (5,5 f 0,5) m/s after a travel of 30 mm. 5 Method 5.1 Initial measurements (if applicable) Specimens shall be subjected to the fol
25、lowing test sequence: - EN 2591-408, mating force; - EN 2591 -201 or EN 2591 -202; - EN 2591-207. 5.2 Procedure The specimens shall be tested to EN 2591-313 (without initial nor final measurements) and then immediately to EN 2591 -31 O at a temperature of (- 55 f 2) OC for 1 h. Then, within 2 min, t
26、he specimens shall be mounted on the test equipment and disengaged by applying a force in the four directions to the lanyard as shown in figure 1. The angle of application of the pull-out force (u) shall be as specified. Figure 1 The unmating force shall be applied after the lanyard has first been m
27、ade taut without stress. 5.3 Final measurements (If applicable) The specimens shall be subjected to the following test sequence: - EN 2591 -101 - EN 2591 -408, for the mating force; - EN 2591-201 or EN 2591-202; - EN 2591-207, method A. STD-BSI BS EN 2591-414-ENGL 1798 D Lb24bb7 0732b34 721 BS EN 25
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