Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Effect of 3D Printed Spiral Antenna Design on Inductive Coupling Wireless Power Transmission System

3차원 프린팅을 이용한 무선전력전송의 안테나 설계 특성 규명

  • Kim, Ji-Sung (Graduate School, Department of Mechanical Engineering, Kyungpook National Univ) ;
  • Park, Min-Kyu (Division of Mechanical Engineering, Yeungnam Univ. Col.) ;
  • Lee, Ho (School of Mechanical Engineering, Kyungpook National Univ.) ;
  • Kim, Chiyen (Department of Mechatronics, Korea Polytechnics)
  • 김지성 (경북대학교 기계공학과) ;
  • 박민규 (영남이공대학교 기계계열) ;
  • 이호 (경북대학교 기계공학부) ;
  • 김지언 (한국폴리텍대학 메카트로닉스과)
  • Received : 2020.04.20
  • Accepted : 2020.06.19
  • Published : 2020.08.31
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Abstract

The 3D printing of electronics has been a major application topics in additive manufacturing technology for a decade. In this paper, wireless power transfer (WPT) technology for 3D electronics is studied to supply electric power to its inner circuit. The principle of WPT is that electric power is induced at the recipient antenna coil under an alternating magnetic field. Importantly, the efficiency of WPT does rely on the design of the antenna coil shape. In 3D printed electronics, a flat antenna that can be placed on the printed plane within a layer of a 3D printed part is used, but provided a different antenna response compared to that of a conventional PCB antenna for NFC. This paper investigates the WPT response characteristics of a WPT antenna for 3D printed electronics associated with changes in its design elements. The effects of changing the antenna curvature and the gap between the wires were analyzed through experimental tests.

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