BS ISO 7240-1-2014 Fire detection and alarm systems General and definitions《火灾探测和警报系统 概述和定义》.pdf

1、BSI Standards PublicationBS ISO 7240-1:2014Fire detection and alarm systemsPart 1: General and definitionsBS ISO 7240-1:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 7240-1:2014. The UK participation in its preparation was entrusted to TechnicalCommittee

2、 FSH/12, Fire detection and alarm systems.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. The British Standard

3、s Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 83497 4ICS 13.220.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2014.Amendmen

4、ts/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 7240-1:2014 ISO 2014Fire detection and alarm systems Part 1: General and definitionsSystmes de dtection et dalarme dincendie Partie 1: Gnralits et dfinitionsINTERNATIONAL STANDARDISO7240-1Third edition2014-06-01Reference number

5、ISO 7240-1:2014(E)BS ISO 7240-1:2014ISO 7240-1:2014(E)ii ISO 2014 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2014All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, includ

6、ing photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 7

7、49 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 7240-1:2014ISO 7240-1:2014(E) ISO 2014 All rights reserved iiiContents PageForeword ivIntroduction vi1 Scope . 12 Terms and definitions and abbreviated terms 12.1 Definitions . 12.2 Abbreviated terms 153 Functions .15BS ISO

8、 7240-1:2014ISO 7240-1:2014(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interest

9、ed in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Co

10、mmission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents

11、 should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible fo

12、r identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the c

13、onvenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Forew

14、ord - Supplementary informationThe committee responsible for this document is ISO/TC 21, Equipment for fire protection and firefighting, Subcommittee SC 3, Fire detection and alarm systems.This third edition cancels and replaces the second edition (ISO 7240-1:2005), which has been technically revise

15、d.ISO 7240 consists of the following parts, under the general title Fire detection and alarm systems: Part 1: General and definitions Part 2: Control and indicating equipment Part 3: Audible alarm devices Part 4: Power supply equipment Part 5: Point-type heat detectors Part 6: Carbon monoxide fire d

16、etectors using electro-chemical cells Part 7: Point-type smoke detectors using scattered light, transmitted light or ionization Part 8: Carbon monoxide fire detectors using an electro-chemical cell in combination with a heat sensor Part 9: Test fires for fire detectors Technical Specification Part 1

17、0: Point-type flame detectors Part 11: Manual call points Part 12: Line type smoke detectors using a transmitted optical beam Part 13: Compatibility assessment of system componentsiv ISO 2014 All rights reservedBS ISO 7240-1:2014ISO 7240-1:2014(E) Part 14: Design, installation, commissioning and ser

18、vice of fire detection and fire alarm systems in and around buildings Part 15: Point type fire detectors using scattered light, transmitted light or ionization sensors in combination with a heat sensor Part 16: Sound system control and indicating equipment Part 17: Short-circuit-isolators Part 18: I

19、nput/output devices Part 19: Design, installation, commissioning and service of sound systems for emergency purposes Part 20: Aspirating smoke detectors Part 21: Routing equipment Part 22: Smoke-detection equipment for ducts Part 23: Visual alarm devices Part 24: Sound system loudspeakers Part 25: C

20、omponents using radio transmission paths Part 27: Point-type fire detectors using a scattered-light, transmitted-light or ionization smoke sensor, an electrochemical-cell carbon-monoxide sensor and a heat sensor Part 28: Fire protection control equipmentThe following parts are in preparation Part 29

21、: Video fire detectors ISO 2014 All rights reserved vBS ISO 7240-1:2014ISO 7240-1:2014(E)IntroductionISO 7240 (all parts) specifies components of fire detection and alarm systems, requirements for their interconnection and installation and the performance, testing, and servicing of parts or of compl

22、ete systems. It provides local and/or remote signals to organizations having authority to respond to fire alarms, and signals to initiate the operation of fire protection equipment and other systems.A fire detection and alarm system may be activated by automatic detection devices or by manual operat

23、ion and should fulfil its functions without errors or omissions, including detecting quickly enough to fulfil its intended function, reliably transmitting the detection signal to the control and indicating equipment and, if applicable, the fire alarm receiving station, translating the detection sign

24、al into a clear alarm signal that will attract the attention of occupants in an immediate and unmistakable way, remaining insensitive to phenomena other than those which its function is to detect, and signalling immediately and clearly any supervised fault that might jeopardize the correct performan

25、ce of the fire detection and alarm system.A fire detection and alarm system should not be adversely affected by any other systems whether associated with it, or not be rendered partially or totally inoperative by the fire or the phenomenon which it is designed to detect before the fire or phenomenon

26、 has been detected.ISO 7240 (all parts) applies to fire detection and alarm systems installed in and around buildings. It can be used as a basis for the assessment of systems for other purposes, e.g. mines, ships, but the specific nature of each application should be considered before use. Additiona

27、l performance and environmental tests may be necessary. It does not preclude the manufacture or use of systems having special characteristics suitable for protection of specific risks against specific hazards.A fire detection and alarm system is required to function satisfactorily not only in the ev

28、ent of fire, but also during and after exposure to conditions likely to be met in practice such as corrosion, vibration, direct impact, indirect shock, and electromagnetic interference. Some tests specified are intended to assess the performance of system components under such conditions.The perform

29、ance of components of fire detection and alarm systems is assessed from the results obtained in the specific tests. The compliance of a component with the relevant part of ISO 7240 does not necessarily ensure that the component will function correctly when connected with another component also confo

30、rming to the relevant part of ISO 7240 (e.g. a fire detector with fire detection control and indicating equipment), unless both components have been assessed together as conforming to the requirements for a fire detection and alarm system. Requirements for the assessment of the compatibility of syst

31、em components are specified in ISO 7240-13. Satisfactory operation of an installed system should be confirmed by testing after completion of the installation (see ISO 7240-14). ISO 7240 (all parts) is not intended to place any other restrictions on the design and construction of such components.If a

32、ppropriate, ISO 7240 (all parts) can be applied to the detection part of extinguishing systems, excluding sprinkler heads, although the sensitivity requirements might not be applicable in every instance.As this revision of this part of ISO 7240 includes terms and definitions collated from other part

33、s of ISO 7240, there may now be some duplication and minor variances which will be corrected in future revisions of the other parts of ISO 7240.vi ISO 2014 All rights reservedBS ISO 7240-1:2014INTERNATIONAL STANDARD ISO 7240-1:2014(E)Fire detection and alarm systems Part 1: General and definitions1

34、ScopeThis part of ISO 7240 provides a set of general guidelines and definitions used in describing the fire detection and alarm system (FDAS) equipment installed in and around buildings, and the tests and requirements for these equipments in the other parts of ISO 7240.ISO 7240 does not apply to smo

35、ke alarms, the requirements for which are specified in ISO 12239.2 Terms and definitions and abbreviated termsFor the purposes of this document, the following terms and definitions and abbreviated terms apply.2.1 Definitions2.1.1A-weighted sound pressure leveltwenty times the logarithm to base ten o

36、f the ratio of the root-mean-square A-weighted sound pressure to the reference pressure of 20 Pa at 1 kHz, expressed in decibelsNote 1 to entry: The A-weighting characteristics are given in IEC 616721.2.1.2absorbance indexcf. m (2.1.83)2.1.3access levelone of several states of equipment in which sel

37、ected controls can be operated, manual operations can be carried out, indications are visible, and/or information can be obtained2.1.4addressable pointpoint which can be individually identified at the control and indicating equipment (see Figure 1, items B and M)Note 1 to entry: Compare point (2.1.1

38、01).2.1.5aerosol densitysmoke densityamount of particulates per volume as described operationally by one of two parameters: ISO 2014 All rights reserved 1BS ISO 7240-1:2014ISO 7240-1:2014(E) m (2.1.83), an absorbance index, used in the testing of smoke detectors using scattered or transmitted light;

39、 y (2.1.141), a dimensionless variable, used in the testing of smoke detectors using ionizationNote 1 to entry: These parameters are not concentrations sensu stricto, but represent values which are proportional to the concentration and have been shown to function in lieu of a true concentration valu

40、e for the purposes of tests.2.1.6alarmsignal, or condition, warning of an emergency2.1.7alarm indicationindication (at the indicating equipment, see Figure 1, items B and M) to show that a detection signal has been received2.1.8alert signalaudible signal complying with ISO 7731 or visual signal or a

41、 combination of audible and visual signals that call attention to the possibility of a hazardous or dangerous situation2.1.9alphanumeric displayindicator capable of giving information by the display of messages consisting of text and/or numeric characters2.1.10analogue detectordetector which gives a

42、n output signal representing the value of the sensed phenomenonNote 1 to entry: This may be a true analogue signal or a digitally encoded equivalent of the sensed value.2.1.11ancillary equipmentequipment which supports fire detection and fire alarm functions not currently defined in ISO 7240Note 1 t

43、o entry: See Figure 1, item N.2.1.12ancillary functionaction performed by equipment not related to fire detection or fire alarm systemNote 1 to entry: See Figure 1, item O.2.1.13aspirating smoke detectorsmoke detector, in which air and aerosols are drawn through a sampling device and carried to one

44、or more smoke-sensing elements by an integral aspirator (e.g. fan or pump)Note 1 to entry: Each smoke sensing element may contain more than one sensor exposed to the same smoke sample.2.1.14audible alarm deviceAADcomponent intended to signal an audible warning of fire to the occupants of a buildingN

45、ote 1 to entry: AADs are sometimes referred to as “fire alarm sounders”.2 ISO 2014 All rights reservedBS ISO 7240-1:2014ISO 7240-1:2014(E)2.1.15cabinethousing that affords a degree of protection and robustness to its constituent parts and subassemblies2.1.16certificationthird party attestation relat

46、ed to products, processes, systems, or personsSOURCE: ISO 1700:2004, 5.52.1.17combination detectordetector combining two or more detecting principles in a single housing2.1.18combustion gas detectorfire detector sensitive to gaseous products of combustion and/or thermal decompositionEXAMPLE Carbon m

47、onoxide gas fire detector.2.1.19commissioningprocess that verifies the installed equipment or system meets the defined requirements2.1.20compatibilityability of a component of a FDAS to operate with another component of the same FDAS2.1.21competent personperson who, in relation to the work undertake

48、n, has the necessary knowledge, skill, and experience to complete the work satisfactorily and without danger or injury to any person2.1.22componentdevice contained in one housing performing at least one or part of a function of a FDASEXAMPLE Fire detectors, alarm devices, and control and indicating

49、equipment are components of a FDAS.Note 1 to entry: Where a function is distributed in separate cabinets, each cabinet is considered as a separate component.2.1.23configurationarrangement of components of a FDAS specified by number, type, and topology, together with any necessary limits on the transmission paths2.1.24confirmation signalsignal from a fire detector or manual call point which terminates a first alarm state2.1.25control and indicating equipmentcf. fire alarm control and indicating equipmen