IEC TR 63071-2016 Power supplying scheme for wearable systems and equipment《可穿戴系统和设备的供电方案》.pdf

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1、 IEC TR 63071 Edition 1.0 2016-12 TECHNICAL REPORT Power supplying scheme for wearable systems and equipment IEC TR 63071:2016-12(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publica

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10、k on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC TR 63071 Edition 1.0 2016-12 TECHNICAL REPORT Power supplying scheme for wearable systems and equipment INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.200 ISBN 978-2-8322-3685-7 Registered

11、trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC TR 63071:2016 IEC 2016 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions 6 4 System mod

12、el 6 4.1 General . 6 4.2 Existing model 6 4.3 System models of wearable devices 7 4.3.1 Wearable devices 7 4.3.2 Charging and connections . 8 4.3.3 Generator utilizing physical activity of organism . 8 5 Use case . 9 5.1 General . 9 5.2 Use case examples . 9 5.2.1 Generator in shoes 9 5.2.2 Animal t

13、racking 9 6 Interface 10 7 Measurement method 10 Bibliography 12 Figure 1 Solar cell with a secondary battery wristwatch 7 Figure 2 Generator with secondary battery . 7 Figure 3 Generator in shoe 9 Figure 4 Animal use . 10 IEC TR 63071:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ POWE

14、R SUPPLYING SCHEME FOR WEARABLE SYSTEMS AND EQUIPMENT FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operat

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25、ndards. However, a technical committee may propose the publication of a Technical Report when it has collected data of a different kind from that which is normally published as an International Standard, for example “state of the art“. IEC TR 63071, which is a Technical Report, has been prepared by

26、IEC technical committee 100: Audio, video and multimedia systems and equipment. The text of this technical report is based on the following documents: Enquiry draft Report on voting 100/2751/DTR 100/2816/RVC Full information on the voting for the approval of this technical report can be found in the

27、 report on voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. 4 IEC TR 63071:2016 IEC 2016 The committee has decided that the contents of this document will remain unchanged until the stability date indicated on the IEC website unde

28、r “http:/webstore.iec.ch“ in the data related to the specific document. At this date, the document will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. IMPORTANT The colour inside logo on the cover page of t

29、his 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. IEC TR 63071:2016 IEC 2016 5 INTRODUCTION Wearable devices are being introduced into the market, but

30、each device employs its own power charging method and power source device. Wearable devices are used to support human life and health. The duration and life of the power source, as well as easy charging and replacing of a power source, is a crucial factor for wearable devices that are primarily powe

31、red by batteries. A power generator is one solution for this power duration or life, since it provides power generated by user activities and/or also from environmental sources. Also, connectivity and compatibility of power and data transmission is important. This Technical Report does not specify t

32、he power generating or energy harvesting methods and devices themselves, but focuses on interoperability and measurement methods of power- suppling devices and systems. 6 IEC TR 63071:2016 IEC 2016 POWER SUPPLYING SCHEME FOR WEARABLE SYSTEMS AND EQUIPMENT 1 Scope This document provides models and fr

33、ameworks for the power-supplying scheme for wearable systems and equipment. This document does not specify power generating or energy harvesting methods and the devices themselves. 2 Normative references There are no normative references in this document. 3 Terms and definitions For the purposes of

34、this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp 3.1 energy harves

35、t technique to obtain energy from surroundings such as electric power from the activity of organisms 3.2 kinetic generator generator that utilizes kinetic energy to generate electric power 4 System model 4.1 General The power-supplying system for audio, video and multimedia systems and equipment can

36、 be applicable to wearable systems and equipment. Among them, the power supplying systems of energy harvesting devices or systems are suitable for the wearable devices because they generate energy. Energy-harvesting devices or systems have already been used in various pieces of equipment such as ele

37、ctronic wrist watches. The existing model is described in 4.2. 4.2 Existing model A major existing model of wearable equipment and power supply is the electronic wristwatch. Power supply methods for electronic wristwatches include: primary batteries, secondary batteries, solar cells with secondary b

38、atteries, IEC TR 63071:2016 IEC 2016 7 a generator with a secondary battery. To charge the secondary battery, wired power transfer is a common method. Its connector is for example a USB connector specified in the IEC 62680 series or other type of dedicated connector. Wireless power transfer is not a

39、 common method for wristwatches, but it is applied for health band type wearable equipment that has also a watch function. However, wireless power transfer is not applied when a wristwatch is worn but applied when it is taken off and when it is charging. Figure 1 shows the example of a solar cell wi

40、th a secondary battery. Figure 1 Solar cell with a secondary battery wristwatch Figure 2 shows the example of a kinetic generator with a secondary battery. The source of this generator is the arm movement. A variation of this type of generator is a stem winding method. It powers a spring that rotate

41、s a rotor. Figure 2 Generator with secondary battery 4.3 System models of wearable devices 4.3.1 Wearable devices Typical wearable devices are: wristwatches, eyeglasses, headsets, IEC Rotating weight Rotor Coil Secondary battery Wristwatch body IEC Light Cover glass Clock face Solar cell Secondary b

42、attery Wristwatch body 8 IEC TR 63071:2016 IEC 2016 earphones, garments and textiles, shoes and gloves. These wearable devices are powered by primary or secondary batteries. If the battery is a secondary battery, it needs to be recharged by electric power. 4.3.2 Charging and connections When chargin

43、g is necessary, it is carried out either while a wearable device is worn or when it is taken off. In case of a legacy wearable wristwatch, major charging shall be carried out when it is removed. In this case, charging is the same as the electronic wristwatch described in 4.2. The potential new appli

44、cation is charging when it is worn. Charging when the wearable device is worn requires the live generation of electric power and a method for supplying the electric power to the clients wearable device. In the case of the wearable device incorporating the generator, the supplying of power and the co

45、ntrol are executed with an internal connection, and no specific standard is needed. When a wearable device and the power-supplying device are located in different parts of the users body, the existing technologies and standards can be considered to provide power and control. In the case where the po

46、wer source and device are connected by wire, existing technologies and USB standards such as USB Type-C 1specified in IEC 62680-1-3 can be suitable. In the case where a wireless connection is desired, industry technologies can be suitable for specific product designs. However, further study would be

47、 needed to determine feasibility of wireless charging standardization for on-body charging applications to study potential interoperability limitations between different physical product designs, locations of the wearable device and the power-supplying device, efficiency, stringent regulatory requir

48、ements for health and safety. The content of this document includes: physical connection: wired connector, cable or wireless connection; logical connection: protocols for power supply and control, and information. 4.3.3 Generator utilizing physical activity of organism There are various types of ene

49、rgy sources from the physical activity of an organism. Movement and other activities of an organism generate electric power called energy harvest. The activities of the body are: natural action or movement, intentional action or movement, pressure, thermal gradient, perspiration, any physiological phenomenon. The energy-harvesting device or system converts these activities into electric power or any other kind of energy. These energy-harvesting devices or