IEC TS 61340-4-2-2013 Electrostatics - Part 4-2 Standard test methods for specific applications - Test methods for evaluating the electrostatic properties of ga.pdf

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1、 IEC/TS 61340-4-2 Edition 1.0 2013-06 TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE Electrostatics Part 4-2: Standard test methods for specific applications Electrostatic properties of garments lectrostatique Partie 4-2: Mthodes dessai normalises pour des applications spcifiques Proprits lectrostat

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16、TS 61340-4-2 Edition 1.0 2013-06 TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE Electrostatics Part 4-2: Standard test methods for specific applications Electrostatic properties of garments lectrostatique Partie 4-2: Mthodes dessai normalises pour des applications spcifiques Proprits lectrostatiques

17、 des vtements INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XA ICS 17.220.99; 29.020 PRICE CODE CODE PRIX ISBN 978-2-83220-891-5 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale

18、Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colourinside 2 TS 61340-4-2 IEC:2013 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3

19、Terms and definitions . 8 4 Atmosphere for conditioning and testing . 8 5 Preparation of samples and test materials 9 5.1 Samples 9 5.2 Test equipment and materials 9 6 Test methods 9 6.1 General . 9 6.2 Resistance and resistivity 10 6.2.1 Selection of the appropriate resistance measurement test met

20、hod . 10 6.2.2 Conversion to resistivity values . 11 6.3 Charge decay time 11 6.3.1 Selection of the appropriate charge decay time test method 11 6.3.2 Corona charging method . 12 6.3.3 Induction charging method . 12 6.3.4 Charge decay by conduction through a garment to a human body . 12 6.3.5 Surfa

21、ce potential suppression of isolated garments . 12 6.4 Measurement of electrostatic discharges . 12 6.5 Field suppression 13 6.6 Tribocharging tests 13 6.6.1 General . 13 6.6.2 Tribocharging by removal of garments . 14 6.6.3 Tribocharging the outer surface of garments 14 6.6.4 Tribocharging using se

22、ats 14 6.7 Clinging tests 14 6.8 Capacitance loading 14 Annex A (normative) Tribocharging by removal of garments. 16 Annex B (normative) Tribocharging using seats . 20 Annex C (normative) Test of chargeability 25 Annex D (normative) Capacitance loading . 37 Annex E (informative) Simple tribocharging

23、 tests . 49 Bibliography 50 Figure A.1 Test equipment for measuring body voltage and charge on removed garments 17 Figure B.1 Example of test equipment set up for measuring body voltage when rising from a seat . 22 Figure B.2 Typical body voltage recordings 24 Figure C.1 Diagram of the test stand wi

24、th a mannequin . 26 Figure C.2 Measuring scheme with a mannequin and Faraday cage 27 Figure C.3 Measuring scheme with a mannequin and net table 27 Figure C.4 Net table used to measure the charging level of clothes . 28 TS 61340-4-2 IEC:2013 3 Figure C.5 Measuring scheme with a test person and net ta

25、ble 29 Figure C.6 Possible ways of taking off clothes from the mannequin trunk or from the test person 32 Figure C.7 Diagram of the stand for testing mechanical tribocharging on the outer surface of clothing 34 Figure C.8 Diagram of the system for measurement of the test person charging level result

26、ing from manual rubbing of its clothing . 35 Figure D.1 Example of an arrangement for measurement of corona charge decay and arrangements for open backing and earthed backing 38 Figure D.2 Equipment for charge decay time calibration . 40 Figure D.3 Arrangement for measuring received charge . 41 Figu

27、re D.4 Example of variation of capacitance loading with quantity of corona . 45 Figure D.5 Adjustment of factor for matching induction to conduction measurements . 48 Table 1 Suitability of test methods for garments and garment materials . 10 Table 2 Test method standards for resistance measurements

28、 10 4 TS 61340-4-2 IEC:2013 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTROSTATICS Part 4-2: Standard test methods for specific applications Electrostatic properties of garments FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization compri

29、sing all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standa

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38、ative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held respo

39、nsible for identifying any or all such patent rights. The main task of IEC technical committees is to prepare International Standards. In exceptional circumstances, a technical committee may propose the publication of a technical specification when the required support cannot be obtained for the pub

40、lication of an International Standard, despite repeated efforts, or the subject is still under technical development or where, for any other reason, there is the future but no immediate possibility of an agreement on an International Standard. Technical specifications are subject to review within th

41、ree years of publication to decide whether they can be transformed into International Standards. This document is being issued in the Technical Specification series of publications (according to the ISO/IEC Directives, Part 1, 3.1.1.1) as a “prospective standard for provisional application” in the f

42、ield of determination of the electrostatic properties of garments and garment materials because there is an urgent need for guidance on how standards in this field should be used to meet an identified need. TS 61340-4-2 IEC:2013 5 This document is not to be regarded as an “International Standard”. I

43、t is proposed for provisional application so that information and experience of its use in practice may be gathered. Comments on the content of this document should be sent to the IEC Central Office. A review of this technical specification will be carried out not later than 3 years after its public

44、ation with the options of: extension for another 3 years; conversion into an International Standard; or withdrawal. IEC 61340-4-2, which is a technical specification, has been prepared by IEC technical committee 101: Electrostatics. The text of this technical specification is based on the following

45、documents: Enquiry draft Report on voting 101/374/DTS 101/388/RVC Full information on the voting for the approval of this technical specification can be found in the report on voting indicated in the above table. The French version of this standard has not been voted upon. This publication has been

46、drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the parts in the IEC 61340 series, published under the general title Electrostatics, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability dat

47、e indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be transformed into an International Standard, reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the

48、cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 6 TS 61340-4-2 IEC:2013 INTRODUCTION The garments worn by most people in their everyda

49、y lives are not usually designed to dissipate static electricity. Some natural fibres, such as cotton or linen, have sufficient retained moisture to provide some degree of conductivity and may dissipate charge at an acceptable rate. However, synthetic fibres, such as polyester or polyamide, or natural fibres under low humidity conditions are not able to dissipate charge quickly. If el