1、BRITISH STANDARD AEROSPACE SERIES BS EN 2986:1996 Nickel-cadmium batteries of format Btype The European Standard EN2986:1996 has the status of a British Standard ICS29.220.30; 49.060BS EN2986:1996 This British Standard, having been prepared under the direction of the Engineering Sector Board, was pu
2、blished under the authority of the Standards Board and comes into effect on 15 November1996 BSI11-1998 The following BSI references relate to the work on this standard: Committee reference ACE/6 Draft for comment 92/83153DC ISBN 0 580 26326 6 Committees responsible for this British Standard The prep
3、aration of this British Standard was entrusted to Technical Committee ACE/6, Aerospace batteries, upon which the following bodies were represented: British Airways British Cable Makers Confederation British Rubber Manufacturers Association Civil Aviation Authority (Airworthiness Division) Federation
4、 of the Electronics Industry Ministry of Defence Society of British Aerospace Companies Ltd. Amendments issued since publication Amd. No. Date CommentsBS EN2986:1996 BSI 11-1998 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 1 Scope 3 2 Normative references
5、 3 3 Characteristics 3 4 Designation 5 5 Marking 5 6 Log book 5 7 Technical specification 5 Figure 1 3 Table 1 4 Table 2 4 Table 3 5 Table 4 5 Table 5 5 List of references Inside back coverBSEN2986:1996 ii BSI 11-1998 National foreword This British Standard has been prepared by Technical Committee A
6、CE/6 and is the English language version of EN2986:1996 Aerospace series Nickel-cadmium batteries of format B type published by the European Committee for Standardization (CEN). EN2986 was produced as a result of international discussion in which the UnitedKingdom took an active part. A British Stan
7、dard 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. Cross-reference Publication referred to Corresponding B
8、ritish Standard EN2570:1996 BSEN 2570:1996 Nickel-cadmium batteries Technical specification Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. This standard has been updated (see copyr
9、ight date) and may have had amendments incorporated. This will be indicated in the amendment table on theinside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN2986 July1996 ICS49.060 Descriptors: Aircraft industry, aircraft equipment, electric batteries, storage batteries, nickel ca
10、dmium batteries, specifications, dimensions English version Aerospace series Nickel-cadmium batteries of format B type Srie arospatiale Batteries daccumulateurs au nickel-cadmium du type de format B Luft- und Raumfahrt Nickel-Cadmium-Batterien Bauart der Grenausfhrung B This European Standard was ap
11、proved by CEN on 1995-06-29. 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 s
12、tandards may be obtained on application to the Central Secretariat 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
13、 to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. C
14、ENEuropean Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr NormungCentral Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN2986:1996 EEN2986:1996 BSI 11-1998 2 Foreword This European Standard has been prepared by t
15、he European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out 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 presentati
16、on to CEN. 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 January 1997 and conflicting national standards shall be withdrawn at the latest by January 1997. According to the CEN/CENELEC Internal R
17、egulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdo
18、m.EN2986:1996 BSI 11-1998 3 1 Scope This standard specifies the characteristics of nickel-cadmium batteries of format B type. NOTEFormat B type makes it possible to differentiate between the title of the present standard and those of the other product standards for nickel-cadmium batteries. 2 Normat
19、ive 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 and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of an
20、y 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. EN2570, Aerospace series Nickel-cadmium batteries Technical specification. 3 Characteristics 3.1 Dimensions
21、 See Figure 1. Figure 1EN2986:1996 4 BSI 11-1998 3.2 Physical characteristics See Table 1. Table 1 3.3 Electrical characteristics See Table 2. Table 2 Characteristics Requirements Mass (with accessories) 29kg max. Accessories a Marking See 5. Acceleration See EN2570 (for crash no ignition). Electrol
22、yte spillage See EN2570. Seal of lid a See EN 2570. Minimum air flow rate of ventilation 0,027m 3 /min Resistance to salt spray See EN2570. a Verify if required by the designation. Characteristics Test conditions Requirements Batteries Normal High power Rated capacity C 1 22Ah 22Ah Number of cells A
23、ccording to code a According to code a 1 to 4 5 to 7 Rated voltage 1,2V per cell Available capacities See EN2570. See EN2570. Charge at 18 C See EN2570. As % of C 1Ah 30min 4 to 6 1h 8 to 12 3h 15 to 20 Charge recoveredin 30min See EN2570. % of recharged capability 23C 70 70 50C 72 72 Prolonged char
24、ge at high temperature See EN2570. See EN2570. Starting capability Temperature See EN2570. I at the 10ths 5 C 1A 10C 1 A I from the 11th to the 30ths b U at the 15ths 14V 14V Endurance See EN2570. 5 C 1A 10C 1A Short-circuit See EN2570. I min.: 950A U min.: 1,9V a See Table 3. b Value fixed by the m
25、anufacturerEN2986:1996 BSI 11-1998 5 4 Designation EXAMPLE: NOTEIf necessary, the code I9005 shall be placed between the description block and the identity block. Table 3 Table 4 Table 5 5 Marking In addition to the identity block (see 4), each battery shall bear the following information: provision
26、ing number (for military aircraft only); name of manufacturer; manufacturers reference; country and location of manufacture; modification index where applicable; serial number; date of manufacture (month, year or code); safety instructions; polarity (see EN2570); nominal voltage; rated capacity; num
27、ber of cells. Unless otherwise indicated, the position of these markings is left to the manufacturers discretion. 6 Log book It shall contain the information of 5, information required by EN2570 and that concerning any special particulars. 7 Technical specification EN2570 Code Cells Electrolyte Numb
28、er Power 1 20 Normal Normal 2 19 Normal 3 20 Reserve 4 10 Normal 5 20 High Normal 6 19 Normal 7 20 Reserve Code Case and lid 1 Sealed lid 2 Code 1 + forced ventilation 3 Code 1 + aerobatic flights 4 Lid not sealed 5 Apertures in case and lid Code Accessories 1 No accessories 2 With handles 3 With te
29、mperature sensor 4 With temperature sensor and handles6 blankBSEN 2986:1996 BSI 11-1998 List of references See national foreword.BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
30、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the in
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