Wireless Charging Method and Apparatus and System therefor

A technology of wireless charging and wireless power, which is applied in the direction of battery circuit devices, circuit devices, output power conversion devices, etc., can solve problems such as increased noise current, achieve the effects of widening the charging area, preventing charging suspension, and reducing production costs

Inactive Publication Date: 2018-05-29
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in typical high-speed wireless charging technology, noise current increases with charging power
As a result, a phenomenon in which charging is suspended during high-speed wireless charging occurs

Method used

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  • Wireless Charging Method and Apparatus and System therefor
  • Wireless Charging Method and Apparatus and System therefor
  • Wireless Charging Method and Apparatus and System therefor

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Embodiment Construction

[0107] Hereinafter, devices and various methods according to embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. The suffixes 'module' and 'unit' used in the following description for components are provided only for the convenience of preparing this specification, and thus they are not assigned specific meanings or functions.

[0108] Meanwhile, all components constituting the exemplary embodiment of the present disclosure are described as being coupled as one body or operated coupled to each other, but the present disclosure is not necessarily limited to the exemplary embodiment. That is, all components may optionally be coupled with one or more components within the scope of the present disclosure to operate. In addition, all components may be realized in one independent hardware, but a part or all of each component may be selectively combined to be realized as a program module having some functions or all func...

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Abstract

A wireless charging method capable of realizing high-speed wireless charging and a device and system for the wireless charging method are provided. A wireless power transmitter includes: a power transmission unit including one or more transmission coils; a power conversion unit configured to convert the intensity of DC power applied from the outside; and a driving unit configured to use one or more inverters to convert DC power applied by the power conversion unit to AC power, and provide the AC power to the one or more transmission coils; and a communication unit configured to exchange information with an external device; and a controller configured to control the charging mode based on the charging mode group received through the communication unit, wherein if the charging mode is the high speed charging mode, the inverter is a full bridge type inverter.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority from Korean Patent Application No. 10-2016-0155224 filed on November 21, 2016, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates to wireless power transmission technology, and more particularly, to a wireless charging method capable of realizing high-speed wireless charging, and an apparatus and system for the wireless charging method. Background technique [0004] A portable terminal such as a mobile phone or a notebook computer includes a battery for storing electric power and a circuit for charging and discharging the battery. [0005] In general, an example of an electrical connection method between a charging device and a battery for charging electric power in a battery may be a terminal supply method for receiving supplied commercial power and converting the commercial power into a battery corr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/80H02J50/40H02J7/00
CPCH02J7/025H02J50/40H02J50/80H02J50/10H02M7/521
Inventor 蔡瑢锡
Owner LG INNOTEK CO LTD
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