公开(公告)号：US20170297438A1

公开(公告)日：2017-10-19

申请号：US15639665

申请日：2017-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Jinmoo PARK ,  Jeongkyo SEO ,  Beomseok CHAE ,  Jaesung LEE ,  Jihyun LEE ,  Dohyeon SON

IPC: B60L11/18 ,  H02J50/12 ,  H01F38/14 ,  H02J7/02

CPC classification number: H02J50/12 ,  B60L53/12 ,  B60L53/38 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J50/90 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/12 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/14

Abstract: According to an embodiment of present invention, a wireless power transmitter for a vehicle that transfers power to a wireless power comprising: a resonance circuit comprising a coil assembly and/or a capacitor, wherein the coil assembly comprises first and second bottom coils placed adjacent to each other in a line and each consisting of a single layer of 11 turns and a top coil stacked on the first and second bottom coils and consisting of a single layer of 12 turns; a frequency full bridge driver driving each of coils included in the coil assembly individually, and a placement detection unit detecting a placement of the wireless power receiver.

公开(公告)号：US20160241086A1

公开(公告)日：2016-08-18

申请号：US15029741

申请日：2014-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Byungsang JUNG ,  Beomseok CHAE ,  Yongcheol PARK ,  Kyunghwan KIM

IPC: H02J50/12 ,  H02J50/80

CPC classification number: H02J50/12 ,  H02J50/80

Abstract: The present specification which relates to a wireless power transmission device and a control method, capable of transmitting and receiving power wirelessly comprises a power supply unit for supplying power to a receiving device to transmit power wirelessly; and a power transmission control unit for, periodically generating a waveform with a particular frequency, measuring an attenuation coefficient of the waveform at each cycle, measuring a variation in the attenuation coefficient at each cycle, and determining the type of an external material. The present invention has a technical feature wherein the power transmission control unit determines whether to transmit power wirelessly to the receiving device on the basis of the type of the external material.

Abstract translation: 能够无线发送和接收电力的无线电力传输装置和控制方法的本说明书包括用于向接收装置供电以供无线发射功率的电源单元; 以及功率传输控制单元，用于周期性地产生具有特定频率的波形，测量每个周期上的波形的衰减系数，测量每个周期的衰减系数的变化，以及确定外部材料的类型。 本发明具有技术特征，其中电力传输控制单元基于外部材料的类型确定是否向接收装置无线发送电力。

公开(公告)号：US20160001663A1

公开(公告)日：2016-01-07

申请号：US14770041

申请日：2014-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Beomseok CHAE ,  Jeongeon PARK ,  Kihyun JUNG ,  Jeongkyo SEO ,  Byungsang JUNG

IPC: B60L11/18 ,  H02J5/00

CPC classification number: B60L11/182 ,  B60L1/006 ,  H01F27/24 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/122 ,  Y02T90/14

Abstract: An electronic device according to an embodiment of the present invention is configured to wirelessly receive electric power from a wireless electric power transfer device. A power reception unit of the electronic device comprises: a core having a predetermined length and having magnetic flux concentration portions formed at lengthwise side portions thereof; and a coil wound along an outer periphery of the core to form magnetic flux density in the magnetic flux concentration portions, the magnetic flux density having a magnitude equal to or larger than a predetermined value.

Abstract translation: 根据本发明实施例的电子设备被配置为从无线电力传送装置无线地接收电力。 电子设备的受电单元包括：具有预定长度并具有形成在其纵向侧部的磁通量集中部分的芯; 以及沿着芯的外周缠绕的线圈，以在磁通量集中部分中形成磁通密度，磁通密度具有等于或大于预定值的量值。

公开(公告)号：US20140347008A1

公开(公告)日：2014-11-27

申请号：US14286672

申请日：2014-05-23

Applicant: LG ELECTRONICS INC.

Inventor： Beomseok CHAE ,  Byungsang JUNG ,  Jeongkyo SEO ,  Kwangmin YOO ,  Junyoung Lee

IPC: H02J5/00 ,  H02J7/00 ,  H01F38/14 ,  H02J7/02

CPC classification number: H02J50/12 ,  H02J7/0081 ,  H02J7/0093 ,  H02J7/025 ,  H02J17/00 ,  H02J50/80 ,  H02J2007/0096

Abstract: A wireless power transmitter including a power supply unit configured to supply an input voltage; a power conversion unit configured to generate wireless power based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfer the wireless power to a wireless power receiver; and a power transmission control unit configured to receive a voltage value of a battery charged with the wireless power through a wireless network, and generate the first PWM signal based on the voltage value of the battery.

Abstract translation: 一种无线电力发射器，包括被配置为提供输入电压的电源单元; 功率转换单元，被配置为基于由所提供的输入电压和第一脉冲宽度调制（PWM）信号产生的驱动信号产生无线电力，并将无线电力传送到无线电力接收器; 以及电力传输控制单元，被配置为通过无线网络接收充电无线电力的电池的电压值，并且基于电池的电压值生成第一PWM信号。