公开(公告)号：US20190238003A1

公开(公告)日：2019-08-01

申请号：US16381750

申请日：2019-04-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-Ram LEE ,  Yu-Su KIM ,  Se-Ho PARK ,  Seung-Woo HAN

IPC: H02J50/12 ,  H02J50/40 ,  H02J7/04 ,  H02J7/02 ,  H02J50/80 ,  H02J7/00 ,  H02J50/10

Abstract: An apparatus and a method for are provided for a wireless power receiver. The method includes receiving power from a wireless power transmitter; converting the power in an alternating current (AC) form into a direct current (DC) form and providing the converted power to a battery of the electronic device; measuring a temperature of a point in the wireless power receiver during reception of the wireless power; maintaining an amount of the converted power at a first level if the temperature is lower than a preset temperature; decreasing the amount of the converted power to a second level which is lower than the first level if the amount of the converted power is at the first level and the temperature is higher than or equal to the preset temperature; increasing the amount of the converted power to the first level if the amount of the converted power is at the second level and the temperature is lower than the preset temperature; and transmitting, to the wireless power transmitter, a signal including status information of the wireless power receiver device and control information to control the wireless power transmitter.

公开(公告)号：US20210006096A1

公开(公告)日：2021-01-07

申请号：US17026356

申请日：2020-09-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-Ram LEE ,  Yu-Su KIM ,  Se-Ho PARK ,  Seung-Woo HAN

IPC: H02J50/12 ,  H02J50/40 ,  H02J7/00 ,  H02J50/80 ,  H02J50/10

Abstract: An apparatus and a method for are provided for a wireless power receiver. The method includes receiving power from a wireless power transmitter; converting the power in an alternating current (AC) form into a direct current (DC) form and providing the converted power to a battery of the electronic device; measuring a temperature of a point in the wireless power receiver during reception of the wireless power; maintaining an amount of the converted power at a first level if the temperature is lower than a first temperature; decreasing the amount of the converted power to a second level which is lower than the first level if the amount of the converted power is at the first level and the temperature is higher than or equal to the first temperature; stopping providing the converted power to the battery if the temperature is higher than a second temperature; and transmitting, to the wireless power transmitter, a signal including status information of the wireless power receiver device and control information to control the wireless power transmitter.

公开(公告)号：US20180006486A1

公开(公告)日：2018-01-04

申请号：US15704885

申请日：2017-09-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Chong-Min Lee ,  Hee-Won Jung ,  Min-Cheol Ha ,  Seung-Woo HAN

IPC: H02J7/02 ,  H02J5/00 ,  H02J7/00

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/0047 ,  H02J7/025 ,  H02J50/40 ,  H02J50/80 ,  H02J2007/005

Abstract: A method of controlling a wireless power receiver. The method includes receiving, by a power receiver, power from a wireless power transmitter; receiving, from the wireless power transmitter, a time set value that is set for checking cross connection; in response to receiving the time set value, generating a power variation in the wireless power receiver by converting a load status from a first load status to a second load status; and maintaining the second load status for a time corresponding to the received time set value.

公开(公告)号：US20140159673A1

公开(公告)日：2014-06-12

申请号：US14100866

申请日：2013-12-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seung-Woo HAN ,  Yu-Su Kim ,  Woo-Ram Lee ,  Ho-Seong Lee

IPC: H02J7/02

CPC classification number: H02J50/40 ,  H02J7/025 ,  H02J50/12

Abstract: A wireless charging method includes receiving information on a required amount of power from a second wireless power receiver while supplying power to one or more first wireless power receivers; calculating required power for all wireless power receivers including the one or more first wireless power receivers and the second wireless power receiver; and when a maximum amount of providable power is not larger than the required amount of power for all wireless power receivers, transmitting insufficient power amount information to each of the wireless power receivers.

Abstract translation: 无线充电方法包括：在向一个或多个第一无线电力接收机供电的同时从第二无线电力接收器接收关于所需电力量的信息; 为包括所述一个或多个第一无线电力接收器和所述第二无线电力接收器的所有无线电力接收器计算所需电力; 并且当所提供的最大功率量不大于所有无线电力接收器的所需功率量时，向每个无线电力接收器发送不足的电量信息。

公开(公告)号：US20190238002A1

公开(公告)日：2019-08-01

申请号：US16381459

申请日：2019-04-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-Ram LEE ,  Yu-Su KIM ,  Se-Ho PARK ,  Seung-Woo HAN

IPC: H02J50/12 ,  H02J50/40 ,  H02J7/04 ,  H02J7/02 ,  H02J50/80 ,  H02J7/00 ,  H02J50/10

CPC classification number: H02J50/12 ,  H02J7/0003 ,  H02J7/0091 ,  H02J7/025 ,  H02J7/027 ,  H02J7/047 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80

Abstract: An apparatus and a method for are provided for a wireless power receiver. The method includes receiving power from a wireless power transmitter; converting the power in an alternating current (AC) form into a direct current (DC) form and providing the converted power to a battery of the electronic device; measuring a temperature of a point in the wireless power receiver during reception of the wireless power; maintaining an amount of the converted power at a first level if the temperature is lower than a first temperature; decreasing the amount of the converted power to a second level which is lower than the first level if the amount of the converted power is at the first level and the temperature is higher than or equal to the first temperature; stopping providing the converted power to the battery if the temperature is higher than a second temperature; and transmitting, to the wireless power transmitter, a signal including status information of the wireless power receiver device and control information to control the wireless power transmitter.

公开(公告)号：US20160365748A1

公开(公告)日：2016-12-15

申请号：US15250051

申请日：2016-08-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-Ram LEE ,  Yu-Su KIM ,  Se-Ho PARK ,  Seung-Woo HAN

IPC: H02J7/02 ,  H02J50/10 ,  H02J50/80 ,  H02J7/04

CPC classification number: H02J50/12 ,  H02J7/0003 ,  H02J7/0091 ,  H02J7/025 ,  H02J7/027 ,  H02J7/047 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80

Abstract: An apparatus and a method for protecting a wireless power receiver from excessive temperature caused by charging are provided. The apparatus includes a power receiver configured to receive wireless power in an alternate current (AC) form from a wireless power transmitter; a temperature measurement unit configured to measure a temperature of a point in the wireless power receiver during reception of the wireless power; and a controller configured to decrease a charging power corresponding to the wireless power, if a temperature measured by the temperature measurement unit exceeds a preset temperature, and to provide the charging power to a battery, if the temperature measured by the temperature measurement unit is lower than the preset temperature.

Abstract translation: 提供了一种用于保护无线电力接收器免受由充电引起的过度温度的装置和方法。 该装置包括：功率接收器，被配置为从无线电力发射器接收交流（AC）形式的无线电力; 温度测量单元，被配置为在接收无线电力期间测量无线电力接收器中的点的温度; 以及控制器，如果由所述温度测量单元测量的温度超过预设温度，则降低与所述无线功率相对应的充电功率，并且如果由所述温度测量单元测量的温度较低，则向所述电池提供充电功率 超过预设温度。

公开(公告)号：US20160043573A1

公开(公告)日：2016-02-11

申请号：US14886837

申请日：2015-10-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-Ram LEE ,  Joon-ll KIM ,  Sung-Bum PARK ,  Young-Min LEE ,  Hong-Kweun KIM ,  Se-Ho PARK ,  Seung-Woo HAN

IPC: H02J5/00

CPC classification number: H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/80 ,  H02J50/90

Abstract: A wireless power transmission controlling apparatus and method are provided. The apparatus includes a communication unit; and a controller configured to compute an amount of transmission power to be transmitted, based on information received from a wireless power receiving apparatus; output a wireless power transmission control signal corresponding to the computed amount of transmission power; filter the wireless power transmission control signal and pass a harmonic wave corresponding to a predetermined communication frequency band; and control the communication unit to transmit the wireless power transmission control signal based on the harmonic wave.

Abstract translation: 提供一种无线电力传输控制装置和方法。 该装置包括通信单元; 以及控制器，被配置为基于从无线电力接收设备接收的信息来计算要发送的发送功率的量; 输出与计算出的发送功率量对应的无线电力传输控制信号; 过滤无线电力传输控制信号并通过对应于预定通信频带的谐波; 并控制通信单元基于谐波发送无线电力传输控制信号。

公开(公告)号：US20140361738A1

公开(公告)日：2014-12-11

申请号：US14297251

申请日：2014-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo LEE ,  Kang-Ho BYUN ,  Chong-Min LEE ,  Hee-Won JUNG ,  Min-Cheol HA ,  Seung-Woo HAN

IPC: H02J7/02

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/0047 ,  H02J7/025 ,  H02J50/40 ,  H02J50/80 ,  H02J2007/005

Abstract: A method for generating a load variation for detecting a wireless power receiving unit in wireless charging is provided. The method includes maintaining a switch connected to a dummy load in an ON state by the wireless power receiving unit, receiving wireless power from a wireless power transmitting unit, and, upon receiving the wireless power, switching the switch connected to the dummy load to an OFF state.

Abstract translation: 提供了一种用于在无线充电中产生用于检测无线电力接收单元的负载变化的方法。 该方法包括：通过无线电力接收单元维持连接到处于导通状态的虚拟负载的开关，从无线电力发送单元接收无线电力，并且在接收到无线电力时，将连接到虚拟负载的开关切换到 OFF状态。

公开(公告)号：US20140015333A1

公开(公告)日：2014-01-16

申请号：US13938614

申请日：2013-07-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kang-Ho BYUN ,  Hong-Kweun KIM ,  Seung-Woo HAN

IPC: H01F38/14

CPC classification number: H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90

Abstract: A wireless power transmitter, which detects a load change in a wireless power transmission, includes a power supply unit, a power converter which converts the driving power supplied from the power supply unit into Alternating Current, a power transmitter which wirelessly transmits the converted driving power to the wireless power transmitter, a temperature measurement unit which measures a temperature of the wireless power transmitter; and a controller which detects a current and load value of the driving power output from the power supply unit, compensates for the load value based on the measured temperature value, and determines a load change of the power transmitter based on the compensated load value.

Abstract translation: 检测无线电力传输中的负载变化的无线电力发送器包括：电源单元，将从电源单元提供的驱动电力转换为交流电的电力转换器;无线发送转换后的驱动电力的电力变送器 所述无线电力发射机是测量所述无线电力发射机的温度的温度测量单元; 以及控制器，其检测从所述电源单元输出的驱动功率的电流和负载值，基于所述测量的温度值补偿所述负载值，并且基于所述补偿的负载值来确定所述电力变送器的负载变化。