Title:
WIRELESS POWER TRANSMISSION DEVICE COMPRISING RECEPTION UNIT-ORIENTED COUPLER STRUCTURE, AND CONTROL METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/020693
Kind Code:
A1
Abstract:
A wireless power transmission device according to the present invention comprises a reception unit-oriented coupler structure. That is, a wireless power transmission device according to the present invention comprises a coupler structure configured to orient magnetic flux generated by a coil toward a reception unit. According to one embodiment of the present invention, a reception unit-oriented coupler structure may comprise: a coil wound to have a predetermined diameter; and a core orthogonal to a plane on which the coil is formed and overlapping an axis extending through the center of the coil. A reception unit-oriented coupler structure according to embodiments of the present invention and a wireless power transmission device comprising the coupler structure can reduce leakage magnetic flux and concentrate the magnetic flux toward a reception unit, and thus can enhance efficiency of wireless power transmission.
Inventors:
KIM RAEYOUNG (KR)
CHA HWARANG (KR)
PARK KWANGROCK (KR)
WOO DONGHUN (KR)
CHA HWARANG (KR)
PARK KWANGROCK (KR)
WOO DONGHUN (KR)
Application Number:
PCT/KR2020/005037
Publication Date:
February 04, 2021
Filing Date:
April 14, 2020
Export Citation:
Assignee:
IUCF HYU (KR)
International Classes:
H02J50/90; H01F27/24; H01F38/14; H02J50/10; H02J50/50
Foreign References:
| KR20170119731A | 2017-10-27 | |||
| KR20050099612A | 2005-10-14 | |||
| KR20140111881A | 2014-09-22 | |||
| KR20120058839A | 2012-06-08 |
Other References:
YE, ZHAOHONG, SUN YUE, LIU XIUFANG, WANG PEIYUE, TANG CHUNSEN, TIAN HAILIN: "Power Transfer Efficiency Analysis for Omnidirectional Wireless Power Transfer System Using Three-Phase-Shifted Drive", ENERGIES, vol. 11, no. 2159, 2018, pages 1 - 19, XP055793082, DOI: 10.3390/en11082159
Attorney, Agent or Firm:
CHUNG, Sungjoon (KR)
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