METHOD AND DEVICE FOR CONTROLLING AMOUNT OF POWER SUPPLIED TO LOAD IN DEVICE USING WIRELESS POWER TRANSMISSION

Title:

METHOD AND DEVICE FOR CONTROLLING AMOUNT OF POWER SUPPLIED TO LOAD IN DEVICE USING WIRELESS POWER TRANSMISSION

Document Type and Number:

WIPO Patent Application WO/2023/018291

Kind Code:

A1

Abstract:

A wireless power drive home appliance for controlling the amount of power supplied to a load comprises: a wireless power transmission unit for transmitting power wirelessly via a transmission coil; a reception coil unit for wirelessly receiving power from the transmission coil of the wireless power transmission unit; a rectifying unit for rectifying an alternating-current voltage of the received wireless power; a DC link for receiving a direct-current voltage which is output from the rectifying unit; a current sensor for sensing a current supplied to a load from the DC link; a switch disposed between the rectifying unit and the DC link, and for controlling the amount of power supplied to the load on the basis of the current being supplied to the load and sensed by the current sensor; and a control unit for controlling the opening and closing of the switch.

Inventors:

CHU JUNGSUK (KR)
LEE TAEHO (KR)
KANG DONGOH (KR)
KIM KANGHOON (KR)
KIM YONGWOOK (KR)
PARK NAMJU (KR)

Application Number:

PCT/KR2022/012109

Publication Date:

February 16, 2023

Filing Date:

August 12, 2022

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

H02J50/10; G01R19/00; H02M1/08; H02M7/217

Foreign References:

KR20130135260A	2013-12-10
KR20140130083A	2014-11-07
US20200287421A1	2020-09-10
KR20180104536A	2018-09-21
KR20200015007A	2020-02-12