BS EN 60519-6-2011 Safety in electroheat installations Specifications for safety in industrial microwave heating equipment《电热装置的安全 工业微波加热设备的安全规范》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationSafety in electroheat installationsPart 6: Specifications for safety in industrial microwave heating equipmentBS EN 60519-6:2011National forewordThis British Standard is the UK i

2、mplementation of EN 60519-6:2011. It isidentical to IEC 60519-6:2011. It supersedes BS EN 60519-6:2002 which iswithdrawn.The UK participation in its preparation was entrusted to Technical CommitteePEL/27, Electroheating.A list of organizations represented on this committee can be obtained onrequest

3、to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2011ISBN 978 0 580 65841 9ICS 25.180.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard

4、 was published under the authority of the StandardsPolicy and Strategy Committee on 30 June 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60519-6:2011EUROPEAN STANDARD EN 60519-6 NORME EUROPENNE EUROPISCHE NORM April 2011 CENELEC European Committee for Elec

5、trotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No.

6、 EN 60519-6:2011 E ICS 25.180.10 Supersedes EN 60519-6:2002English version Safety in electroheat installations - Part 6: Specifications for safety in industrial microwave heating equipment (IEC 60519-6:2011) Scurit dans les installations lectrothermiques - Partie 6: Spcifications pour les installati

7、ons de chauffage industriel hyperfrquences (CEI 60519-6:2011) Lichtbogenschweieinrichtungen - Teil 6: Schweistromquellen mit begrenzter Einschaltdauer (IEC 60519-6:2011) This European Standard was approved by CENELEC on 2011-03-03. CENELEC members are bound to comply with the CEN/CENELEC Internal Re

8、gulations 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 any CENELEC member.

9、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 CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC mem

10、bers are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovak

11、ia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60519-6:2011EN 60519-6:2011 - 2 - Foreword The text of document 27/704/CDV, future edition 3 of IEC 60519-6, prepared by IEC TC 27, Industrial electroheating, was submitted to the IEC-CENELEC parallel vote and was approved by CEN

12、ELEC as EN 60519-6 on 2011-03-03. This European Standard supersedes EN 60519-6:2002. The significant changes with respect to EN 60519-6:2002 are as follows: the third edition of EN 60519-1:2003 has been taken into account (the structure of clauses was adapted to it as far as practicable); some defin

13、itions are modified or brought into line with IEC 60050-841:2004; clauses on abnormal operation, access openings, microwave enclosure and barriers are added; the microwave leakage measurements are in a normative Annex A; an informative Annex B on the rationales for microwave exposure and leakage lim

14、its is added; Bibliography is added. This part of EN 60519 is to be used in conjunction with EN 60519-1:2003. It is intended to specify particular requirements for industrial microwave heating equipment. This Part 6 supplements or modifies the corresponding clauses of EN 60519-1, so as to convert it

15、 into an EN standard. Where a particular sub-clause of Part 1 is not mentioned in this Part 6, that sub-clause applies as far as is reasonable. Where this standard states “addition“, modification“ or “replacement“, the relevant text of Part 1 is to be adapted accordingly. NOTE Sub-clauses and notes

16、which are additional to those in Part 2 are numbered starting from 101, additional items and annexes are lettered aa, bb or AA, BB, etc. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible

17、 for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2011-12-03 latest date by which the national standards conflicting with the EN

18、have to be withdrawn (dow) 2014-03-03 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60519-6:2011 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be ad

19、ded for the standards indicated: IEC 60335-2-25 NOTE Harmonized as EN 60335-2-25. IEC 60335-2-90 IEC 61010-2-010 IEC 62311:2007 NOTE Harmonized as EN 60335-2-90. NOTE Harmonized as EN 61010-2-010. NOTE Harmonized as EN 62311:2008 (modified) _ BS EN 60519-6:2011- 3 - EN 60519-6:2011 Annex ZA (normati

20、ve) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the ref

21、erenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60050-841 2004 International Electrotechnical Vocabulary (IEV) - Part 841: Indu

22、strial electroheat - - IEC 60519-1 2003 Safety in electroheat installations - Part 1: General requirements EN 60519-11) 2003 IEC 61307 - Industrial microwave heating installations - Test methods for the determination of power output EN 61307 - IEC 60417-DB - Graphical symbols for use on equipment -

23、- 1) EN 60519-1 is superseded by EN 60519-1:2011, which is based on IEC 60519-1:2010. BS EN 60519-6:2011 2 60519-6 IEC:2011 CONTENTS INTRODUCTION . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 7 4 Classification of electroheat equipment according to voltage bands 9 5 Classifica

24、tion of electroheat equipment according to frequency bands 9 6 General requirements . 9 7 Isolation and switching . 12 8 Connection to the supply network and internal connections 12 9 Protection against electric shock 12 10 Protection against overcurrent 12 11 Equipotential bonding . 12 12 Control c

25、ircuits and control functions 12 13 Protection against thermal influences . 13 14 Risk of fire and danger of explosion 13 15 Marking, labelling and technical documentation 14 16 Information on inspection and commissioning, and instructions for utilization and maintenance of electroheat installations

26、 . 16 Annex AA (normative) Measurement of microwave leakage 18 Annex BB (informative) Rationales for the microwave access barrier and associated leakage tests 22 Bibliography 28 Figure 1 Examples of warning labels 15 Figure A.1 Large microwave access barrier for conveyorised microwave heating equipm

27、ent . 19 Figure A.2 Small microwave access barrier for conveyorised microwave heating equipment . 20 Figure A.3 Vertical-only microwave access barriers for conveyorised microwave heating equipment 21 Table 1 Dimensional requirements on microwave access barriers 11 BS EN 60519-6:201160519-6 IEC:2011

28、5 INTRODUCTION This edition of IEC 60519-6 contains updates and revisions of IEC 60519-6:2002, which was used over several years. It specifies safety requirements for industrial microwave heating equipment and installations specially designed for specific applications, unlike household, commercial a

29、nd laboratory microwave appliances. Criteria for discrimination between these categories are dealt with in the scope. BS EN 60519-6:2011 6 60519-6 IEC:2011 SAFETY IN ELECTROHEAT INSTALLATIONS Part 6: Specifications for safety in industrial microwave heating equipment 1 Scope This part of IEC 60519 i

30、s applicable to equipment using microwave energy alone or in combination with other kinds of energy for industrial heating of materials. This part is applicable to industrial microwave heating equipment operating in the frequency range 300 MHz to 300 GHz. NOTE 1 Since the wavelength of the high end

31、of the microwave band at 300 GHz is very short and particular leakage measurement instrumentation is needed in the low end of the band, the microwave leakage specification in Annex A applies only for the ISM frequencies between 800 MHz and 6 GHz. The centre frequencies of these are 2,45 GHz and 5,8

32、GHz universally, and between 896 MHz and 918 MHz in some regions. For such microwave equipment IEC 62311 applies. For other microwave frequencies, the basic restriction as addressed in informative Annex B or the ICNIRP Guidelines (see Bibliography) may be used. This part does not apply to appliances

33、 for household and similar use (covered by IEC 60335-2-25), commercial use (covered by IEC 60335-2-90) or laboratory use (covered by IEC 61010-2-010). NOTE 2 Since microwave tunnel ovens and also some other types of microwave equipment may be either for commercial, laboratory or industrial use, the

34、following criteria are suitable for determination of the classification as industrial equipment: commercial equipment is typically designed and planned for series production of many identical units, whereas industrial equipment is typically produced in small series or even as single units. The proce

35、ssed goods are consumed or ready for final use at the end of the heating process. laboratory heating equipment is for preparing material in a laboratory environment, and the processed material is immediately available for investigations or further processing. Regular production of large quantities o

36、f material is not foreseen. with industrial equipment, the processed goods are not immediately accessible to the end user, and the goods may additionally not be in a final state from the perspective of the end user. 2 Normative references The following referenced documents are indispensable for the

37、application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050-841:2004, International Electrotechnical Vocabulary Part 841: Industrial electroheat IEC 60417, Grap

38、hical symbols for use on equipment IEC 60519-1:2003, Safety in electroheat installations Part 1: General requirements IEC 61307, Industrial microwave heating installations Test methods for the determination of power output BS EN 60519-6:201160519-6 IEC:2011 7 3 Terms and definitions For the purposes

39、 of this document, the terms and definitions given in IEC 60519-1:2003 and IEC 60050-841, as well as the following apply. 3.1 microwave generator source used to produce electromagnetic energy in the frequency range from 300 MHz to 300 GHz IEC 60050-841:2004, 841-29-16 3.2 microwave applicator struct

40、ure which applies the microwave energy to the load IEC 60050-841:2004, 841-29-11 3.3 microwave cavity space enclosed by inner metal walls and a door or an access opening and in which the load is placed IEC 60050-841:2004, 841-29-19 3.4 microwave load objects introduced into the microwave applicator

41、or microwave cavity IEC 60050-841:2004, 841-29-12, modified 3.5 microwave heating equipment assembly of electric and mechanical devices intended for the transfer of microwave energy to the microwave load and comprising in general power supplies, microwave applicators or cavities, interconnecting cab

42、les and waveguides, control circuitry, means for transporting the microwave load, and ventilation equipment IEC 60050-841:2004, 841-29-06, modified 3.6 microwave leakage superficial power density of microwave radiation escaping from the microwave heating equipment 3.7 microwave access barrier physic

43、al barrier, which has the property of microwave transparency, limiting access to the microwave enclosure, mounted outside the microwave enclosure and can only be removed with the aid of tools NOTE 1 The function of the microwave access barrier is to act solely as a mechanical barrier. NOTE 2 Microwa

44、ve access barriers may be fixed to the microwave heating equipment or not, and are in the latter case a part of the installation. NOTE 3 Devices such as an array of metal chains or hinged metal plates at entrance and exit ports intended to reduce microwave leakage are not considered microwave access

45、 barriers. BS EN 60519-6:2011 8 60519-6 IEC:2011 3.8 microwave enclosure structure which is intended to confine the microwave energy to a defined region NOTE 1 Examples are a cavity, door seals and waveguides. NOTE 2 Microwave access barriers mounted outside the microwave enclosure are not considere

46、d as a part of the microwave enclosure. IEC 60050-841:2004, 841-29-20, modified 3.9 means of access all structural features of the microwave heating equipment which can be opened or removed without the use of a tool to provide access to the interior of the microwave applicator or microwave cavity 3.

47、10 maintenance door all structural features of any part of the microwave heating equipment which can be opened or removed without the use of a tool to provide access to other locations than the microwave applicator or microwave cavity 3.11 cover structural feature of any part of the microwave heatin

48、g equipment which can be opened or removed by the use of a tool to provide access for routine maintenance, service, replacement of expendable parts, etc. 3.12 entrance or exit port openings in the microwave enclosure through which the microwave load moves 3.13 microwave transparency property of a ma

49、terial having negligible absorption and reflection of microwaves NOTE The relative permittivity of a microwave transparent material is usually less than 7 and the loss factor is usually less than 0,015. IEC 60050-841:2004, 841-29-14 3.14 interlock mechanical or electrical safety device or system, the function of which is to prohibit one class of events if another class of condition does not exist NOTE For example, a microwave interlock prohibits the opera

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