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Wireless power transfer method and apparatus and method of detecting resonant frequency used in wireless power transfer

A resonant frequency, wireless power technology, used in electric vehicle charging technology, spectrum analysis, electrical components, etc.

Inactive Publication Date: 2016-06-15
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing technologies aim to control the resonant frequency of multiple power transmitters in different ways and transmit power to different receiving devices, but do not aim at transmitting power to a single power receiving device

Method used

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  • Wireless power transfer method and apparatus and method of detecting resonant frequency used in wireless power transfer
  • Wireless power transfer method and apparatus and method of detecting resonant frequency used in wireless power transfer
  • Wireless power transfer method and apparatus and method of detecting resonant frequency used in wireless power transfer

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Embodiment Construction

[0031] The specific structural and functional descriptions of the embodiments of the present invention disclosed in this specification or this application have been described in order to describe only the embodiments of the present invention. Embodiments of the present invention may be embodied in various forms and should not be construed as limited to the embodiments described in this specification or application.

[0032] Specific embodiments of the invention will be illustrated in the drawings and described in detail in this specification or application, since the invention can be modified in different ways and can have multiple embodiments. However, the embodiments according to the concept of the present invention are not intended to be limited to the specific embodiments, and it should be understood that the present invention includes all changes, equivalents and substitutions within the spirit and technical scope of the present invention.

[0033] For example, terms of '...

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PUM

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Abstract

Disclosed herein are a wireless power transfer apparatus, a method for wireless power transfer and a method of detecting a resonant frequency used in a wireless power charging system or a wireless power transfer. The wireless power transfer apparatus includes a plurality of transmission coils, each of which transmits power to a receiver coil through magnetic resonance; a signal generator transmitting signals having different resonant frequencies to the plurality of transmission coils, the signal generator being connected to the plurality of transmission coils; and a feedback unit transferring information on amounts of powers which are respectively output by the plurality of transmission coils to the signal generator.

Description

technical field [0001] Exemplary embodiments of the present invention relate to a wireless power transmission system and a method of detecting a resonance frequency for wireless power transmission, and more particularly, to a wireless power transmission device having two or two More than one transmitting coil, a wireless power transfer method for the device, and a method of detecting a resonant frequency of wireless power transfer. Background technique [0002] In recent years, technologies related to plug-in hybrid and electric vehicles have developed rapidly. Some or all of the driving force for such vehicles is electrical energy. In addition to the method of connecting to a charger in a wired manner and putting a plug into the charger, a wireless charging method is developed as a method of charging energy. [0003] The wireless charging method is divided into an electromagnetic induction method and a resonance type method. In the case of the electromagnetic induction m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12H02J50/40
CPCH02J50/12H02J50/80G01R23/005H02J2310/48H02J7/00034H02J50/402Y02T90/14H02J50/40
Inventor 具贤澈成宰容姜远实林钟均
Owner HYUNDAI MOTOR CO LTD
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