BS-EN-54-24-2008.pdf
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1、BRITISH STANDARD BS EN 54-24:2008 Fire detection and fire alarm systems Part 24: Components of voice alarm systems Loudspeakers ICS 13.220.20 ? BS EN 54-24:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 BSI 2008 ISBN 978 0
2、580 54520 7 National foreword This British Standard is the UK implementation of EN 54-24:2008. The UK participation in its preparation was entrusted by Technical Committee FSH/12, Fire detection and alarm systems, to Subcommittee FSH/12/5, Alarm devices, voice alarm evacuation sub-systems and emerge
3、ncy voice communications. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard
4、cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 54-24 April 2008 ICS 13.310 English Version Fire detection and fire alarm systems - Part 24: Components of voice alarm systems - Loudspeaker
5、s Systmes de dtection et dalarme incendie - Composants des systmes dalarme vocale - Partie 24 : Haut-parleurs Brandmeldeanlagen - Teil 24: Komponenten fr Sprachalarmierungssysteme - Lautsprecher This European Standard was approved by CEN on 23 February 2008. CEN members are bound to comply with the
6、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 application to the CEN Management Centre o
7、r 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 Management Centre has the same status as the official ve
8、rsions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
9、 Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN natio
10、nal Members. Ref. No. EN 54-24:2008: E EN 54-24:2008 (E) 2 Contents Page Foreword4 Introduction.6 1 Scope 7 2 Normative references7 3 Terms, definitions and abbreviations8 3.1 Terms and definitions .8 3.2 Abbreviations.11 4 Requirements.11 4.1 Compliance.11 4.2 Frequency response limits.11 4.3 Durab
11、ility 12 4.4 Construction.12 4.4.1 Provision for external conductors.12 4.4.2 Materials .12 4.4.3 Enclosure protection.12 4.4.4 Access 12 4.5 Marking and data .12 4.5.1 Marking.12 4.5.2 Information in the product data sheet.13 5 Tests14 5.1 General14 5.1.1 Atmospheric conditions for tests 14 5.1.2 O
12、perating conditions for tests .14 5.1.3 Mounting arrangements14 5.1.4 Tolerances14 5.1.5 Frequency response measurement and sensitivity calculation.14 5.1.6 Frequency response measurement and sensitivity calculation for loudspeakers requiring dedicated system equalization.16 5.1.7 Provision for test
13、s .16 5.1.8 Test schedule.16 5.2 Reproducibility.18 5.2.1 Object of the test18 5.2.2 Test procedure.18 5.2.3 Test requirements18 5.3 Rated impedance.18 5.3.1 Object of the test18 5.3.2 Test procedure.18 5.3.3 Test requirements19 5.4 Horizontal and vertical coverage angles.19 5.4.1 Object of the test
14、19 5.4.2 Test procedure.19 5.4.3 Test requirement20 5.5 Maximum sound pressure level.20 5.5.1 Object of the test20 5.5.2 Test procedure.20 5.5.3 Test requirements20 5.6 Rated noise power (durability).21 5.6.1 Object of the test21 5.6.2 Test procedure.21 BS EN 54-24:2008 EN 54-24:2008 (E) 3 5.6.3 Tes
15、t requirement: 21 5.7 Dry heat (operational) .21 5.7.1 Object of the test .21 5.7.2 Test procedure.22 5.7.3 Test requirements .22 5.8 Dry heat (endurance).22 5.8.1 Object of the test .22 5.8.2 Test procedure.23 5.8.3 Test requirements .23 5.9 Cold (operational)23 5.9.1 Object of the test .23 5.9.2 T
16、est procedure.24 5.9.3 Test requirements .24 5.10 Damp heat, cyclic (operational) .25 5.10.1 Object of the test .25 5.10.2 Test procedure.25 5.10.3 Test requirements .25 5.11 Damp heat, steady state (endurance)26 5.11.1 Object of the test .26 5.11.2 Test procedure.26 5.11.3 Test requirements .26 5.1
17、2 Damp heat, cyclic (endurance) 27 5.12.1 Object of the test .27 5.12.2 Test procedure.27 5.12.3 Test requirements .27 5.13 Sulfur dioxide (SO2) corrosion (endurance) .28 5.13.1 Object of the test .28 5.13.2 Test procedure.28 5.13.3 Test requirements .28 5.14 Shock (operational).29 5.14.1 Object of
18、the test .29 5.14.2 Test procedure.29 5.14.3 Test requirements .29 5.15 Impact (operational)30 5.15.1 Object of the test .30 5.15.2 Test procedure.30 5.15.3 Test requirements .30 5.16 Vibration, sinusoidal (operational) 31 5.16.1 Object of the test .31 5.16.2 Test procedure.31 5.16.3 Test requiremen
19、ts .32 5.17 Vibration, sinusoidal (endurance) .32 5.17.1 Object of the test .32 5.17.2 Test procedure.32 5.17.3 Test requirements .33 5.18 Enclosure protection.33 5.18.1 Object of the tests .33 5.18.2 Enclosure of the loudspeaker33 5.18.3 Test procedures.33 5.18.4 Test requirements .34 Annex A (norm
20、ative) Acoustical measurements.35 Annex B (normative) Measuring rated noise power (durability)41 Annex C (informative) Loudspeaker references.48 Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive (89/106/EEC) 50 BS EN 54-24:20
21、08 EN 54-24:2008 (E) 4 Foreword This document (EN 54-24:2008) has been prepared by Technical Committee CEN/TC 72 “Fire detection and fire alarm systems”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an iden
22、tical text or by endorsement, at the latest by October 2008, and conflicting national standards shall be withdrawn at the latest by April 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held r
23、esponsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative An
24、nex ZA, which is an integral part of this document. EN 54 Fire detection and fire alarm systems consists of the following parts: Part 1: Introduction Part 2: Control and indicating equipment Part 3: Fire alarm devices Sounders Part 4: Power supply equipment Part 5: Heat detectors Point detectors Par
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