Resonator module and wireless power transmission apparatus utilizing the same

A technology of wireless power and transmitting devices, which is applied in the direction of circuit devices, electrical components, impedance networks, etc., can solve the problems of high coil inductance requirements, coil size increase, cost increase, etc., to meet price competitiveness and miniaturization, Effect of Inductance Reduction

Inactive Publication Date: 2017-12-26
WITS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, for these prior art cases, multiple resonant circuits need to meet the inductance for wireless charging respectively, so the requirements for the inductance of the coils of each resonant circuit in the multiple resonant circuits are relatively high
Therefore, there is a limitation that the size of the coil needs to be increased and the cost increases

Method used

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  • Resonator module and wireless power transmission apparatus utilizing the same
  • Resonator module and wireless power transmission apparatus utilizing the same
  • Resonator module and wireless power transmission apparatus utilizing the same

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Embodiment Construction

[0024] Hereinafter, a preferred embodiment according to the present invention will be described with reference to the drawings.

[0025] However, the embodiment of the present invention can be modified into various other forms, and the scope of the present invention is not limited to the embodiment described below. In addition, the purpose of providing the embodiments of the present invention is to more completely explain the present invention to a person having an average level of knowledge in the technical field to which the present invention belongs.

[0026] In addition, the meaning of the terms described in the present invention needs to be understood in the following manner. When it is stated that a certain component is "connected" to another component, it should be understood that the component may be directly connected to another component, or there may be other components between the two. On the contrary, when it is described that a certain component is "directly connecte...

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Abstract

The present invention relates to a resonator module and a wireless power transmission apparatus using the same. The wireless power transmission apparatus may include: a switching unit for receiving the DC power supply and performing switching operation to generate an alternating current, a control unit for controlling switching of a plurality of switches in the switchng unit, and a resonator comprising a plurality of resonant circuits which receive the alternating current to work. The plurality of resonant circuits can take a grounding terminal as a neutral point to connect in parallel with each other.

Description

Technical field [0001] The invention relates to a resonator module and a wireless power transmitting device using the same. Background technique [0002] With the development of wireless technology, the diversified development of wireless technology not only involves the transmission of data, but also the transmission of electricity. In particular, a wireless charging technology that can charge electronic devices even in a non-contact state is being developed recently. [0003] In the case of a conventional wireless charging device, a wireless power receiving device and a plurality of resonance circuits for realizing the degree of freedom of the charging position are provided, and among the plurality of resonance circuits, the one closest to the wireless power receiving device The resonant circuit works to provide charging wirelessly. [0004] However, in the case of these prior art, the multiple resonant circuits respectively need to satisfy the inductance for wireless charging, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/00H02J50/12
CPCH03H5/02H03H7/0115H02J50/12H02J50/40H02J50/005
Inventor 许珉镐李泰远宋斗咏
Owner WITS CO LTD
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