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1、BRITISH STANDARD BS 7728:1994 IEC 916:1988 Mechanical structures for electronic equipment Terminology (Implementation of CENELEC HD 550 S1) UDC 621.3.049.7:620.17:001.4 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (
2、c) BSI BS 7728:1994 This British Standard, having been prepared under the direction of the Electronic Components Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 March 1994 BSI 09-1999 The following BSI references relate to the work on
3、this standard: Committee reference ECL/21 Special announcement in BSI News October 1990 ISBN 0 580 22844 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Electronic Components Standards Policy Committee (ECL/-) to Technical Committee EC
4、L/21, upon which the following bodies were represented: British Telecommunications plc Electronic Components Industry Federation EEA (The Association of Electronics Telecommunications and Business Equipment Industries) Ministry of Defence National Supervising Inspectorate Society of British Aerospac
5、e Companies Ltd. The following bodies were also represented in the drafting of the standard, through subcommittees and panels: Association of manufacturers allied to the electrical and electronic industry (BEAMA Ltd) Amendments issued since publication Amd. No.DateComments Licensed Copy: London Sout
6、h Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 BSI 09-1999i Contents Page Committees responsibleInside front cover National forewordii Foreword2 1Scope3 2Object3 3Terminology and definitions3 Figure 13 Figure 24 Figure 34
7、Figure 45 Figure 55 Figure 66 Figure 76 Figure 87 Figure 97 Figure 108 Figure 118 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 ii BSI 09-1999 National foreword This British Standard has been pre
8、pared under the direction of the Electronic Components Standards Policy Committee. It implements Harmonization Document HD 550 S1:1989, which was published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 916:1988 Mechanical structures for electronic
9、 equipment Terminology, published by the International Electrotechnical Commission (IEC). 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 o
10、f itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the HD title page, pages 2 to 9 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be
11、 indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI HARMONIZATION DOCUMENT DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT HD 550 S1 December 1989 UDC 62
12、1.3.049.7:620.17:001.4 Descriptors: Electronic equipment; mechanical, structure; definition; terminology English version Mechanical structures for electronic equipment Terminology (IEC 916:1988) Structures mcaniques pour quipement lectronique Terminologie (CEI 916:1988) Bauweisen fr elektronische Ei
13、nrichtungen Terminologie (IEC 916:1988) This Harmonization Document was approved by CENELEC on 1989-11-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date li
14、sts and bibliographical references concerning national implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committ
15、ees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europ
16、isches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1989 Copyright reserved to CENELEC members Ref. No. HD 550 S1:1989 E Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy,
17、(c) BSI BS 7728:1994 BSI 09-1999 2 Foreword The Harmonization Document consists of: IEC 916 (1988) ed 1; IEC/SC 48D, not appended This Harmonization Document was approved by CENELEC on 1989-11-01 (confirmed by 62 BT). The English and French versions of this Harmonization Document are provided by the
18、 text of the IEC publication and the German version is the official translation of the IEC text. According to the CENELEC Internal Regulations the CENELEC member National Committees are bound: to announce the existence of this Harmonization Document at national level by or before 1990-03-01 to publi
19、sh their new harmonized national standard by or before 1990-09-01 to withdraw all conflicting national standards by or before 1990-09-01. Harmonized national standards are listed on the HD information sheet, which is available from the CENELEC National Committees or from the CENELEC Central Secretar
20、iat. The CENELEC National Committees are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: London South Bank Univer
21、sity, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 BSI 09-19993 1 Scope This standard covers a list of standard terms for parts and assemblies of mechanical structures for electronic equipment. They are common to various types of mechanica
22、l structures, but most of them are derived from IEC Publications 297-1, 297-2 and 297-3. Illustrations are added in the list of terms when appropriate to support correct term usage. Where a term is self-explanatory no definition is given, for instance “front panel”. The same applies for terms alread
23、y defined in IEC Publication 50. 2 Object The terms in this standard shall be used in other standards for mechanical structures of electronic equipment and in related technical documents. The purpose is to promote a clear understanding of the subject characterized by a standard term and thereby to e
24、ase verbal and written communications. For example, the term “equipment practice” shall be used when a mechanical structure is meant according to the definition contained in the list given in this standard. 3. Terminologie et dfinitions3. Terminology and definitions 1. Bti1. Rack Structure indpendan
25、te ou fixe, destine loger du matriel lectrique ou lectronique. A free-standing or fixed structure for housing electrical or electronic equipment. Figure 1 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728
26、:1994 4 BSI 09-1999 2. Baie2. Cabinet Enceinte indpendante et autoportante, destine loger du matriel lectrique et/ou lectronique. A free-standing and self-supporting enclosure for housing electrical and/or electronic equipment. Elle est gnralement munie de portes et/ou de panneaux latraux, qui peuve
27、nt tre amovibles ou non. It is usually fitted with doors and/or side panels which may or may not be removable. Figure 2 3. Coffret3. Case Enceinte qui peut tre installe sur une table, un tabli ou un mur, dans laquelle on peut loger du matriel lectrique et/ou lectronique. A table, bench or wall mount
28、ing enclosure in which electrical and/or electronic equipment can be housed. Figure 3 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 BSI 09-19995 4. Cadre pivotant4. Swing frame Cadre mont sur cha
29、rnires destin supporter du matriel lectrique et/ou lectronique. A hinged frame for holding electrical and/or electronic equipment. Le cadre pivote pour permettre laccs la face oppose. The frame swings to permit access to the reverse side. Figure 4 5. Bac5. Subrack Unit structurelle destine loger des
30、 cartes imprimes quipes et des blocs enfichables. Structural unit for housing printed boards with components inserted, and plug-in units. Figure 5 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 6
31、BSI 09-1999 6. Chssis6. Chassis Structure mcanique, conue spcifiquement pour supporter des composants lectriques et lectroniques associs. A mechanical structure designed specifically to support associated electrical and electronic components. Figure 6 7. Bloc enfichable7. Plug-in unit Elment qui sen
32、fiche dans un bac et qui est support par des guides. Ces lments peuvent tre de divers types, depuis la carte imprime quipe jusqu un lment de type cadre ou botier, conu avec une connexion enfichable. A unit which plugs into a subrack and is supported by guides. These units can be of various types, ra
33、nging from a printed board with components inserted to a frame or box type unit designed with a plug-in connection. Figure 7 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 BSI 09-19997 8. Console8
34、. Console Structure ferme pouvant tre pose sur une table ou au sol, prsentant des faces horizontales, verticales et/ou obliques destines recevoir des appareils de commande, dinformation et de surveillance. A table-mounted or floorstanding enclosure having horizontal, vertical and/or sloping faces to
35、 accommodate control, information and monitoring equipment. Figure 8 9. Guide de bloc enfichable9. Plug-in unit guide Dispositif pour guider, positionner et supporter des blocs enfichables et des cartes imprimes quipes dans des bacs. A device to guide, locate and support plug-in units and printed bo
36、ards, with components inserted, in subracks. Figure 9 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 8 BSI 09-1999 10. Glissires10. Slides Cornires permettant le soutien et le glissement des bacs
37、et des chssis lintrieur dun bti, dune baie ou dun coffret. Angle-bars on which subracks and chassis may slide and be supported within a rack, cabinet or case. Figure 10 11. Glissires tlscopiques11. Telescopic slides Dispositifs pour supporter des bacs et des chssis rtractables en position dextension
38、. Devices to support withdrawable subracks and chassis in the extended position. Figure 11 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 BSI 09-19999 12. Range de btis ou de baies12. Suite of rac
39、ks or cabinets Srie de btis ou de baies placs cte cte.A row of racks or cabinets placed side by side. 13. Infrastructure13. Equipment practice Structures mcaniques destines au logement et au montage de systmes lectroniques et lectromcaniques. Mechanical structure involved in housing and mounting of
40、electronic and electromechanical systems. Elles assurent la compatibilit entre les parties mcaniques, les interconnexions lectriques et les composants lectroniques. It provides for compatibility between mechanical parts, electrical interconnections and electronic components. Licensed Copy: London So
41、uth Bank University, London South Bank University, Fri Dec 08 10:18:19 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7728:1994 IEC 916:1988 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It
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