公开(公告)号：US09397505B2

公开(公告)日：2016-07-19

申请号：US14293832

申请日：2014-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Jaesung Lee ,  Jinmoo Park ,  Jeongkyo Seo ,  Jihyun Lee ,  Homan Park

IPC: H02J7/02 ,  H02J5/00 ,  H04B7/24 ,  H04B5/00 ,  H02J7/04 ,  H01F38/14

CPC classification number: H02J50/12 ,  H01F38/14 ,  H01F2038/146 ,  H02J5/005 ,  H02J7/025 ,  H02J7/04 ,  H02J50/40 ,  H02J50/60 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037 ,  H04B7/24

Abstract: The present disclosure relates to a wireless power transfer method, a wireless power transmitter and a wireless charging system in a wireless power transfer field. That is, a wireless power transmitter configured to transfer power to a wireless power receiver in a wireless manner includes a power transfer unit configured to transmit power to the wireless power receiver in the wireless manner, a circuit unit having a plurality of capacitors electrically connected to the power transfer unit, and configured to support each of a plurality of frequencies by changing the electric connection of the capacitors, and a controller configured to detect a communication standard that the wireless power receiver supports, and control the electric connection of the capacitors such that the circuit unit operates at a frequency corresponding to the detected communication standard.

Abstract translation: 本公开涉及无线电力传输方法，无线电力发射机和无线电力传输领域中的无线充电系统。 也就是说，被配置为以无线方式向无线电力接收器传送电力的无线电力发送器包括被配置为以无线方式向无线电力接收器发送电力的电力传送单元，电路单元，其具有电连接到 功率传递单元，并且被配置为通过改变电容器的电连接来支持多个频率中的每一个;以及控制器，被配置为检测无线电力接收器支持的通信标准，并且控制电容器的电连接，使得 电路单元以对应于检测到的通信标准的频率运行。

公开(公告)号：US11936204B2

公开(公告)日：2024-03-19

申请号：US18186627

申请日：2023-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Jinmoo Park ,  Jeongkyo Seo ,  Beomseok Chae ,  Jaesung Lee ,  Jihyun Lee

IPC: H02J50/12 ,  B60L53/122 ,  B60L53/124 ,  B60L53/126 ,  B60L53/38 ,  H01F38/14 ,  H02J7/00 ,  H02J50/90

CPC classification number: H02J50/12 ,  B60L53/122 ,  B60L53/124 ,  B60L53/126 ,  B60L53/38 ,  H01F38/14 ,  H02J7/00304 ,  H02J7/00308 ,  H02J50/90 ,  H02J7/00309

Abstract: A wireless power transmitter configured to transfer power to a wireless power receiver including primary coils comprising 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 shielding; and a full-bridge inverter, wherein the first and second bottom coils and the top coil have a substantially rectangular frame structure with a through hole in the center, wherein the top coil lies on a plane surface in the middle between the first and second bottom coils, wherein a distance from the center of the first and second bottom coils to the center of the top coil is set to a range of 21 mm to 25 mm, wherein the first and second bottom coils have a height of 48 mm to 50 mm and a width of 43 mm to 45 mm, and the through hole in the first and second bottom coils has a height of 25 mm to 27 mm and a width of 21 mm to 23 mm, wherein the top coil has a height of 45 mm to 47 mm and a width of 48.5 mm to 50.5 mm, and the through hole in the top coil has a height of 20 mm to 22 mm and a width of 24.5 mm to 26.5 mm, wherein the first and second bottom coils and the top coil have a thickness of 0.9 mm to 1.3 mm, wherein an amount of power which is transferred is controlled based on an input voltage of the full-bridge inverter, wherein the input voltage has a range of 1 V to 18 V, wherein an operating frequency to control the amount of the power is within a range of 140 kHz to 150 kHz, wherein an assembly of the primary coils and the shielding has a self-inductance value of 11.3 μH, wherein the full-bridge invertor drives a series capacitance, and wherein a value of the series capacitance is 139 nF.

公开(公告)号：US20230015788A1

公开(公告)日：2023-01-19

申请号：US17847382

申请日：2022-06-23

Applicant: LG ELECTRONICS INC.

Inventor： Sooyong PARK ,  Jinmoo Park ,  Seonghun Lee ,  Junchan Kwon ,  Minsoo Kim

IPC: A61B5/00 ,  A62B18/02

Abstract: Provided is a method for controlling a mask apparatus. The method for controlling the mask apparatus includes measuring a current pressure value with respect to a mask by using a pressure sensor, comparing each of a preset atmospheric pressure maximum estimation and a preset and a preset atmospheric pressure minimum estimation to the current pressure value; updating the atmospheric pressure maximum estimation and the atmospheric pressure minimum estimation according to the comparison result, and controlling a voice output of a speaker based on a difference between the updated atmospheric pressure maximum estimation and the updated atmospheric pressure minimum estimation.

公开(公告)号：US11005299B2

公开(公告)日：2021-05-11

申请号：US16450263

申请日：2019-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Jinmoo Park ,  Jeongkyo Seo ,  Beomseok Chae ,  Jaesung Lee ,  Jihyun Lee

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/12 ,  H02J5/00 ,  H01F38/14 ,  B60L53/38 ,  B60L53/122 ,  B60L53/124 ,  B60L53/126 ,  H02J7/02 ,  H02J50/90

Abstract: A wireless power transmitter that transfers power to a wireless power receiver includes a coil assembly comprising 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 series capacitance; a shielding extending to at least 2 mm beyond an outer boundary of the coil assembly, has a thickness of at least 1.5 mm and being composed of Mn—Zn; and a full-bridge inverter driving each of coils included in the coil assembly individually.

公开(公告)号：US10193387B2

公开(公告)日：2019-01-29

申请号：US15123836

申请日：2015-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jaesung Lee ,  Jinmoo Park ,  Jihyun Lee

IPC: H02J50/10 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90 ,  H02J50/12 ,  H02J50/60 ,  H02J7/02

Abstract: A wireless power transmission device is disclosed. The wireless power transmission device, which is a medium-power wireless power transmission device that transmits power to a low-power wireless power reception device or a medium-power wireless power reception device, includes: a power conversion unit that converts electrical energy to a power signal; and a communications and control unit that communicates with the wireless power reception device and controls power transfer, the power conversion unit including: an inverter that converts DC input to an AC waveform that drives a resonant circuit; a primary coil that creates a magnetic field; and a current sensor that monitors the current in the primary coil, wherein the inverter operates in a full-bridge mode that drives a plurality of bridges or in a half-bridge mode that drives a single bridge.

公开(公告)号：US10177592B2

公开(公告)日：2019-01-08

申请号：US15303413

申请日：2015-04-10

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol Park ,  Hyunbeom Lee ,  Jaesung Lee ,  Byungsang Jung ,  Jinmoo Park ,  Seonghun Lee ,  Jihyun Lee ,  Jeongkyo Seo

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J7/02 ,  H02J17/00 ,  H02J50/80 ,  H02J50/90 ,  H02J50/12 ,  H02J50/60 ,  H02J50/10 ,  H02J50/40

Abstract: A wireless power transmitter is disclosed. The wireless power transmitter, which is capable of charging a plurality of wireless power receivers, includes: a plurality of coil cells; a main half-bridge inverter to which a main pulse signal is applied; a plurality of sub half-bridge inverters to which a first sub pulse signal or second sub pulse signal is applied; a current sensor that monitors the current through the coil cells; and a communications and control unit that controls the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and that communicates with the wireless power receivers, wherein the sub half-bridge inverters may be respectively connected to the coil cells.

公开(公告)号：US09413175B2

公开(公告)日：2016-08-09

申请号：US14293797

申请日：2014-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinmoo Park ,  Jaesung Lee ,  Jihyun Lee ,  Jeongkyo Seo ,  Homan Park

IPC: H02J7/00 ,  H02J5/00 ,  H02J7/02 ,  H04B7/24 ,  H04B5/00 ,  H02J7/04 ,  H01F38/14

CPC classification number: H02J50/12 ,  H01F38/14 ,  H01F2038/146 ,  H02J5/005 ,  H02J7/025 ,  H02J7/04 ,  H02J50/40 ,  H02J50/60 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037 ,  H04B7/24

Abstract: The present disclosure relates to a wireless power transfer method, a wireless power transmitter and a wireless charging system in a wireless power transfer field. That is, a wireless power transmitter configured transfer power to a wireless power receiver in a wireless manner, the transmitter configured to a first coil configured to convert a current into a magnetic flux, a second coil configured to be adjacent to the first coil on a plane, a third coil configured to have a different shape from the first and second coils and have at least part thereof which overlaps the first and second coils, respectively, and a controller configured to determine a coil to be activated among the first, second and third coils.

Abstract translation: 本公开涉及无线电力传输方法，无线电力发射机和无线电力传输领域中的无线充电系统。 也就是说，无线电力发射机被配置为以无线方式向无线电力接收机传送电力，发射机被配置成被配置为将电流转换成磁通量的第一线圈，被配置为与第一线圈相邻的第二线圈 平面，第三线圈，其被配置为具有与所述第一和第二线圈不同的形状，并且其至少部分分别与所述第一和第二线圈重叠，以及控制器，被配置为确定在所述第一和第二线圈之间被激活的线圈， 第三圈。