BS EN 54-1-1996 Fire detection and fire alarm systems. Introduction.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 54-1 : 1996 The Eur

2、opean Standard EN 54-1 : 1996 has the status of a British Standard ICS 13.220.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Fire detection and fire alarm systems Part 1. Introduction Licensed copy:PONTYPRIDD COLLEGE, 09/10/2006, Uncontrolled Copy, BSI This British Standar

3、d, having been prepared under the direction of the Consumer Products and Services Sector Board, was published under the authority of the Standards Board and comes into effect on 15 December 1996 BSI 1996 The following BSI references relate to the work on this standard: Committee reference FSH/12 Dra

4、ft for comment 87/43904 DC ISBN 0 580 2643 6 BS EN 54-1 : 1996 Amendments issued since publication Amd. No.DateText affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee FSH/12, upon which the following bodies were rep

5、resented: AEATechnology British Cable Makers Confederation British Fire Protection Systems Association Ltd. British Telecommunications plc Chartered Institution of Building Services Engineers Chief and Assistant Chief Fire Officers Association Consumer Policy Committee of BSI Department of Health De

6、partment of the Environment (Building Research Establishment) Department of the Environment (Property and Buildings Directorate) Electrical Contractors Association Home Office Institute of Fire Safety Institution of Electrical Engineers Institution of Fire Engineers London Fire and Civil Defence Aut

7、hority Loss Prevention Council Ministry of Defence National Association of Fire Officers National Caravan Council Limited National Inspection Council for Electrical Installation Contracting National Quality Assurance Professional Lighting and Sound Association Trades Union Congress Licensed copy:PON

8、TYPRIDD COLLEGE, 09/10/2006, Uncontrolled Copy, BSI BS EN 54-1 : 1996 BSI 1996i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of EN 54-13 Licensed copy:PONTYPRIDD COLLEGE, 09/10/2006, Uncontrolled Copy, BSI ii BSI 1996 BS EN 54-1 : 1996 National foreword T

9、his Part of BS EN 54 has been prepared by Technical Committee FSH/12 and is the English language version of EN 54-1 : 1996 Fire detection and fire alarm systems Part 1. Introduction published by the European Committee for Standardization (CEN). It supersedes BS 5445 : Part 1 : 1977, which is withdra

10、wn. Compliance with a British Standard does not of itself confer immunity from legal obligations. Licensed copy:PONTYPRIDD COLLEGE, 09/10/2006, Uncontrolled Copy, BSI ? CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat

11、: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN 54-1 : 1996 E EUROPEAN STANDARDEN 54-1 NORME EUROPE ENNE EUROPA ISCHE NORM March 1996 ICS 13.220.20Supersedes EN 54-1 : 1976 Descriptors: fire equipment, fire detection systems, automatic equipment, specificatio

12、ns, definitions English version Fire detection and fire alarm systems Part 1 : Introduction Syste mes de de tection et dalarme incendie Partie 1 : Introduction Brandmeldeanlagen Teil 1 : Einleitung This European Standard was approved by CEN on 1996-01-14. CEN members are bound to comply with the CEN

13、/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 Central Secretariat or to

14、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 Central Secretariat has the same status as the official versions.

15、 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. Licensed copy:PONTYPRIDD COLLEGE, 09/10/2006, Uncontrolled Copy, BSI ? Pag

16、e 2 EN 54-1 : 1996 BSI 1996 Foreword This European Standard has been prepared by the Technical Committee CEN/TC 72, Automatic fire detection systems, of which the secretariat is held by BSI. This European Standard supersedes EN 54-1 : 1976. This European Standard shall be given the status of a natio

17、nal standard, either by publication of an identical text or by endorsement, at the latest by September 1996, and conflicting national standards shall be withdrawn at the latest by September 1996. This standard has been prepared in cooperation with the CEA (Comite Europe en des Assurances) and with E

18、URALARM (Association of European Manufacturers of Fire and Intruder Alarm Systems). The significant differences from EN 54-1 : 1976 are: a change in the general title; a change in the scope to include coverage of the way in which components are installed and used; changes to the format and structure

19、 of the series; extension to cover new parts. NOTE. The current and proposed future structures of the EN 54 series are given in annex A. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: A

20、ustria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword2 Introduction3 1Scope3 2Normative references3 3Definitions3 4Compliance5 Annex A(informative) The

21、EN 54 series of standards7 Licensed copy:PONTYPRIDD COLLEGE, 09/10/2006, Uncontrolled Copy, BSI ? Page 3 EN 54-1 : 1996 BSI 1996 0 Introduction The function of a fire detection system is to detect fire at the earliest practicable moment, and to give signals and indications so that appropriate action

22、 can be taken. The function of a fire alarm system is to give audible and/or visible signals to occupants of the building who may be at risk from a fire. Fire detection and fire alarm functions may be combined in a single system. 1 Scope 1.1 This series of European Standards specifies: requirements,

23、 test methods and performance criteria against which the effectiveness and reliability of the component parts of fire detection and fire alarm systems can be assessed; requirements and test methods against which the ability of components to be combined into an effective system can be assessed; guide

24、lines for the incorporation and use of fire detection and fire alarm systems into buildings or other construction works. 1.2 This series of standards applies to fire detection and fire alarm systems for buildings. It may also be used as a basis for the assessment of components of systems for other p

25、urposes, e.g. mines, ships; however, additional testing may be required. It does not preclude the manufacture or use of systems having special characteristics suitable for the protection of specified risks. 1.3 The system is required to function satisfactorily, not only under the fire conditions, bu

26、t also when exposed to conditions likely to be met in practice. The tests specified are intended to assess the performance of the components of the system under such conditions. 1.4 The performance of components is assessed from the results obtained in the specified tests and from their ability to p

27、erform the required functions. This standard is not intended to place restrictions on the design or construction of components other than those necessary for the performance of desired functions. 1.5 Where appropriate the standards may be applied to the detection part of extinguishing systems (with

28、the exception of sprinkler heads) although the sensitivity requirements may not be applicable to all cases. 1.6 The compliance of a component with the relevant Part of EN 54 does not ensure that this component will necessarily function correctly when connected with another component also complying w

29、ith the relevant Part of EN 54 (e.g. control and indicating equipment with a fire detector), unless both components have been assessed together as satisfying the requirements for a system. 1.7 This series of standards does not cover the requirements for self-contained smoke alarms (see 3.13). 2 Norm

30、ative references There are no normative references in this European Standard. Other parts of EN 54 are listed in annex A (informative). 3 Definitions For the purposes of this European Standard, the following definitions apply. NOTE 1. The list of components of fire detection and fire alarm systems i

31、s not intended to be exclusive. Definitions for other components may be added in later revisions of this European Standard or by amendment when such components are produced. NOTE 2. Additional definitions specific to individual Parts are included in those Parts. 3.1 fire detector (item A of figure 1

32、) A component of a fire detection system which contains at least one sensor which constantly or at frequent intervals monitors at least one suitable physical and/or chemical phenomenon associated with fire, and that provides at least one corresponding signal to the control and indicating equipment (

33、see item B of figure 1). NOTE 1. The decision to give the alarm of fire or to operate automatic fire protection equipment may be made at the detector or other component of the system, for example at the control and indicating equipment. NOTE 2. Apart from those listed and their possible combinations

34、, other types of detectors are conceivable. Fire detectors may be differentiated in several ways. These may include: the phenomenon detected (see definitions 3.1.1 to 3.1.5); the way in which the detector responds to the phenomenon detected (see definitions 3.1.6 to 3.1.8); the configuration of the

35、detector (see definitions 3.1.9 to 3.1.11); the resettability of the detector (see definitions 3.1.12 to 3.1.14); the detachability of the detector (see definitions 3.1.15 and 3.1.16); the type of signal transmitted (see definitions 3.1.17 to 3.1.19). 3.1.1 heat detector A detector which responds to

36、 an increase in temperature. 3.1.2 smoke detector A detector sensitive to particulate products of combustion and/or pyrolysis suspended in the atmosphere (aerosols). Smoke detectors may be subdivided as follows. 3.1.2.1 ionization smoke detector A detector sensitive to combustion products capable of

37、 affecting ionization currents within the detector. 3.1.2.2 optical smoke detector A detector sensitive to combustion products capable of affecting the absorption or scattering of radiation in the infra-red, visible and/or ultraviolet regions of the electromagnetic spectrum. Licensed copy:PONTYPRIDD

38、 COLLEGE, 09/10/2006, Uncontrolled Copy, BSI ? Page 4 EN 54-1 : 1996 BSI 1996 3.1.3 gas detector A detector sensitive to gaseous products of combustion and/or thermal decomposition. 3.1.4 flame detector A detector which responds to the radiation emitted by the flames from a fire. 3.1.5 multi-sensor

39、detector A detector which responds to more than one phenomenon of fire. 3.1.6 static detector A detector which initiates an alarm when the magnitude of the measured phenomenon exceeds a certain value, for a sufficient time. 3.1.7 differential detector A detector which initiates an alarm when the dif

40、ference (normally small) in the magnitudes of the measured phenomenon at two or more places exceeds a certain value, for a sufficient time. 3.1.8 rate of rise detector A detector which initiates an alarm when the rate of change of the measured phenomenon with time exceeds a certain value, for a suff

41、icient time. 3.1.9 point detector: A detector which responds to the phenomenon sensed in the vicinity of a fixed point. 3.1.10 multi-point detector A detector which responds to the phenomenon sensed in the vicinity of a number of fixed points. 3.1.11 line detector A detector which responds to the ph

42、enomenon sensed in the vicinity of a continuous line. 3.1.12 resettable detector A detector which, after response, may be restored from its alarm state to its normal state of readiness to detect, on cessation of the conditions which caused the response, without the renewal of any component. A resett

43、able detector may be further subdivided as follows. 3.1.12.1 self-resetting detector A resettable detector which will automatically restore itself to its normal state of readiness to detect. 3.1.12.2 remotely resettable detector A resettable detector which can be restored to its normal state of read

44、iness to detect by an operation carried out remote from the detector. 3.1.12.3 locally resettable detector A resettable detector which can be restored to its normal state of readiness to detect by a manual operation carried out at the detector. 3.1.13 non-resettable detector (with exchangeable eleme

45、nts A detector which, after response, requires the renewal of a component or components to restore it to its normal state of readiness to detect. 3.1.14 non-resettable detector (without exchangeable elements) A detector which, after response, cannot be restored from its alarm state to its normal sta

46、te of readiness to detect. 3.1.15 detachable detector A detector which is so designed as to permit it to be easily removed from its normal operating position for maintenance and servicing purposes. 3.1.16 non-detachable detector A detector in which the mounting arrangements are such that easy remova

47、l of the detector for maintenance and servicing purposes is not possible. 3.1.17 two-state detector A detector which gives one of two output states relating to either normal or fire alarm conditions. 3.1.18 multi-state detector A detector which gives one of a limited number (greater than two) of out

48、put states relating to normal, fire alarm and other abnormal conditions. 3.1.19 analogue detector A detector which gives an output signal representing the value of the sensed phenomenon. NOTE. This may be a true analogue signal or a digitally encoded equivalent of the sensed value. 3.2 control and i

49、ndicating equipment (item B of figure 1) A component of a fire detection and fire alarm system through which other components may be supplied with power and which: a) is used: 1) to receive the signals from the connected detectors; 2) to determine whether these signals correspond to a fire alarm condition; 3) to indicate any such fire alarm condition audibly and visually; 4) to indicate the location of the danger; 5) possibly to record any of this information; b)

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