公开(公告)号：US11211832B2

公开(公告)日：2021-12-28

申请号：US16294734

申请日：2019-03-06

Applicant: LG ELECTRONICS INC.

Inventor： Byunghyuk Lee ,  Jongseok Baek ,  Yongnam Cho ,  Bohwan Choi

IPC: H02J50/60 ,  G01V3/08 ,  H02J50/10 ,  H02J7/02

Abstract: A foreign object detector for detecting a foreign object between a transmission pad and a reception pad of a wireless charging system can include a plurality of object detectors; and a detection circuit configured to detect an object based on data received from the plurality of object detectors, in which each of the plurality of object detectors includes a first coil part including a coil wound in a first rotation direction; and a second coil part stacked on the first coil part and including a coil wound in a second rotation direction different from the first rotational direction, and in which each of the plurality of object detectors is connected in series or in parallel with one another.

公开(公告)号：US10923963B2

公开(公告)日：2021-02-16

申请号：US16038625

申请日：2018-07-18

Applicant: LG ELECTRONICS INC.

Inventor： Jongseok Baek ,  Byunghyuk Lee ,  Yongnam Cho ,  Bohwan Choi

IPC: H02J50/60 ,  B60L53/122 ,  B60L53/124 ,  B60L53/126 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02

Abstract: A foreign object detection apparatus including a plurality of object sensing devices positioned between a transmission pad and a reception pad of a wireless charging system; and a detection circuit configured to determine whether a foreign object is present between the transmission pad and the reception pad based on data received from the plurality of object sensing devices. Further, each of the plurality of object sensing devices includes a first coil unit wound with a first coil in a first direction, and a second coil unit wound with a second coil in a second direction different from the first direction; and the first coil unit and the second coil unit overlap each other.

公开(公告)号：US11577618B2

公开(公告)日：2023-02-14

申请号：US17266468

申请日：2019-08-06

Applicant: LG Electronics Inc.

Inventor： Yongnam Cho ,  Byunghyuk Lee ,  Jongseok Baek ,  Bohwan Choi

IPC: B60L53/12 ,  B60L50/60 ,  B60L53/14

Abstract: The present disclosure relates to a wired/wireless integrated power reception system provided in a vehicle, the wireless/wireless integrated power reception system including: a wired power reception apparatus configured to receive power from a transformer in a wired power receiving mode; a relay unit, which upon detecting reception of wireless power from a wireless power transmission pad, is configured to switch to a wireless power receiving mode; and a wireless power reception pad configured to receive power by magnetic coupling in the wireless power receiving mode.

公开(公告)号：US11303153B2

公开(公告)日：2022-04-12

申请号：US16361865

申请日：2019-03-22

Applicant: LG ELECTRONICS INC.

Inventor： Jongseok Baek ,  Byunghyuk Lee ,  Yongnam Cho ,  Yonghwan Shin ,  Bohwan Choi

IPC: H02J50/05 ,  B60L53/122 ,  H02J7/02

Abstract: A wireless charging pad includes a ferrite plate, a coil disposed at the ferrite plate, and a resonance tank that includes a flat type capacitor. The flat type capacitor is configured to reduce an impedance of the coil.