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公开(公告)号：US20170104373A1
公开(公告)日：2017-04-13
申请号：US15387228
申请日：2016-12-21
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
CPC classification number: H02J50/12 , H01F38/14 , H02J7/025 , H02J50/80 , H02M1/14 , H02M7/06 , H02M7/46 , H04B5/00 , H04B5/0037 , H04B5/0087 , H04B5/0093
Abstract: A wireless power system including a power supply device configured to generate AC power; a transmitter configured to transmit the AC power generated by the power supply device; and a receiver configured to receive the AC power. The receiver includes a receiving unit to receive AC power through a resonance frequency band from the transmitter; a rectifying unit to rectify the received AC power to DC power; a DC-DC converter to convert the rectified DC power into a specific DC power required by a load; a voltage restricting unit disposed before the load; and a controller to detect a first rectified DC power, which is rectified from the received AC power, that is less than a predetermined threshold to prevent an instant overvoltage from being transferred to the load, to transmit, via a modulation unit through out-of-band communication at a specific frequency band other than the resonant frequency band, a signal to increase the AC power to be received from the transmitter and control the voltage restricting unit to allow the detected first rectified DC power to be transferred to the load in response to the detected first rectified DC power also being less than a charge quantity of the load, to detect a second rectified DC power, which is rectified from the received AC power, that is equal to or greater than the predetermined threshold to prevent the instant overvoltage from being transferred to the load, and to transmit, via the modulation unit, a signal to decrease the AC power to be received from the transmitter and control the voltage restricting unit to prevent the detected second rectified DC power from being transferred to the load in response to the detected second rectified DC power being equal to or greater than the predetermined threshold. Further, the predetermined threshold is different than the charge quantity of the load, and the transmitter includes a transmission resonant coil configured to transmit the AC power through the resonance frequency band to the receiver; and an out-of-band communication module configured to receive the signal from the receiver through the out-of-band communication.
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22.发明申请公开(公告)号：US20160241087A1
公开(公告)日：2016-08-18
申请号：US15044996
申请日：2016-02-16
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
Abstract: The embodiment relates to a wireless power transmission apparatus and a wireless power transmission method. The wireless power transmission apparatus includes a first power converting unit to generate high-frequency AC signals; a second power converting unit to generate low-frequency AC signals; a first coil receiving the high-frequency AC signals and transmitting a wireless power through a first power transmission scheme; a second coil receiving the low-frequency AC signals and transmitting the wireless power through a second power transmission scheme; and a control unit to control the first and second coils, wherein the control unit is configured to transmit a detection signal for the first power transmission scheme to a wireless power reception apparatus through the first coil, detect a reception of a first response signal corresponding to the first detection signal during a first predetermined time, determine a power transmission scheme of the wireless power reception apparatus as the first power transmission scheme in response to a detection of the first response signal, and deactivate the first power converting unit in response to no detection of the first response signal.
Abstract translation: 本实施例涉及无线电力传输装置和无线电力传输方法。 无线电力传输装置包括：产生高频AC信号的第一电力转换单元; 第二功率转换单元，用于产生低频AC信号; 接收高频AC信号的第一线圈和通过第一功率传输方案发送无线电力; 接收低频AC信号的第二线圈和通过第二功率传输方案发送无线电力; 以及控制单元，用于控制第一和第二线圈，其中，所述控制单元被配置为通过所述第一线圈向无线电力接收装置发送用于所述第一功率传输方案的检测信号，检测对应于所述第一线圈的第一响应信号的接收 在第一预定时间期间的第一检测信号，响应于第一响应信号的检测，确定作为第一电力传输方案的无线电力接收装置的电力传输方案，并且响应于没有检测而停用第一电力转换单元 的第一响应信号。
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23.发明申请CHARGING CONTROL DEVICE, CHARGING CONTROL METHOD AND WIRELESS POWER RECEIVING DEVICE EQUIPPED WITH SAME 审中-公开充电控制装置，充电控制方法和无缝电源接收装置公开(公告)号：US20160226296A1
公开(公告)日：2016-08-04
申请号：US15021593
申请日：2014-09-12
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE , Dong Ho YONG , Do Hyun WON , Jong Heon LEE
CPC classification number: H02J50/12 , H02J5/00 , H02J7/0068 , H02J7/025 , H02J7/045 , H02J7/345 , H02J50/80
Abstract: A charging control device includes a capacitor, a comparison unit and a switching unit. The capacitor is charged with a voltage converted from power received from a wireless power sending device. The comparison unit compares the voltage of the capacitor with a reference voltage, and generates an output signal according to the result of the comparison. The switching unit is connected to the front end of the capacitor and is switched by the output signal from the comparison unit so as to control whether to supply the converted voltage to a load terminal.
Abstract translation: 充电控制装置包括电容器，比较单元和开关单元。 电容器由从无线发射装置接收的功率转换的电压充电。 比较单元将电容器的电压与参考电压进行比较，并根据比较结果生成输出信号。 开关单元连接到电容器的前端，并通过比较单元的输出信号切换，以便控制是否将转换的电压提供给负载端子。
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公开(公告)号：US20160126780A1
公开(公告)日：2016-05-05
申请号：US14963993
申请日：2015-12-09
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
CPC classification number: H02J50/12 , H02J5/005 , H02J7/025 , H02J7/04 , H02J17/00 , H02J50/10 , H02J50/40 , H02M7/02
Abstract: Disclosed is a wireless power receiver to transfer power wirelessly received from a wireless power transmitter to a load. The wireless power receiver includes a first reception induction coil coupled with a reception resonant coil to receive AC power; a first rectifying diode to rectify the AC power received through the first reception induction coil; a second reception induction coil connected to the first reception induction coil and coupled with the reception resonant coil to receive the AC power; and a second rectifying diode to rectify the AC power received through the second reception induction coil, wherein the wireless power receiver changes a transferring path of the power provided to the load according to a polarity variation of the AC power received through the first and second reception induction coils.
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公开(公告)号：US20150008760A1
公开(公告)日：2015-01-08
申请号：US14495727
申请日：2014-09-24
Applicant: LG Innotek Co., Ltd.
Inventor： Su Ho BAE
IPC: H02J5/00
CPC classification number: H02J50/12 , H01F38/14 , H02J1/02 , H02J7/025 , H02J17/00 , H02J50/00 , H02J50/80 , H02M1/14 , H02M7/06 , H02M7/46 , H04B5/00 , H04B5/0037 , H04B5/0087 , H04B5/0093
Abstract: A method for managing power in a receiver to wirelessly receive the power from a transmitter, the method includes receiving AC power from the transmitter, rectifying the received AC power to DC power, managing power to be transferred to a load based on the rectified DC power, wherein the receiver generates a control signal in order to adjust the power transferred to the load based on the rectified DC power and transmits the control signal to the transmitter.
Abstract translation: 一种用于管理接收机中的电力以无线地从发射机接收电力的方法，所述方法包括从发射机接收AC电力，将接收到的AC电力整流到DC电力，基于经整流的DC电力管理要传送到负载的功率 其中，所述接收器产生控制信号，以便根据经整流的直流电力来调整传输到负载的功率，并将控制信号发送到发射机。
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Patent Agency Ranking
公开(公告)号：US20130214611A1
公开(公告)日：2013-08-22
申请号：US13767549
申请日：2013-02-14
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
CPC classification number: H02J50/12 , H01F38/14 , H02J1/02 , H02J7/025 , H02J17/00 , H02J50/00 , H02J50/80 , H02M1/14 , H02M7/06 , H02M7/46 , H04B5/00 , H04B5/0037 , H04B5/0087 , H04B5/0093
Abstract: Disclosed are a wireless power receiver and a method of managing the same. The wireless power receiver to wirelessly receive power from a wireless power transmitter and transmit the power to a load includes a receiving unit to receive AC power from the wireless power transmitter that receives power from a power supply device, a rectifying unit to rectify the received AC power to DC power, and a power managing unit to manage the power transmitted to the load based on the rectified DC power.
Abstract translation: 公开了一种无线电力接收器及其管理方法。 从无线电力发射机无线接收电力并将电力传送到负载的无线电力接收器包括：接收单元，从接收来自电源装置的电力的无线电力发射器接收AC电力;整流单元，对所接收的AC进行整流; 功率管理单元，用于基于整流的直流电力来管理传输到负载的功率。
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公开(公告)号：US20220006328A1
公开(公告)日：2022-01-06
申请号：US17285726
申请日：2019-08-21
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
Abstract: The present invention relates to a wireless power transmission method and apparatus therefor. A wireless power transmitter according to an embodiment may comprise: a plurality of transmission coils; an alternating current power generator for generating a plurality of alternating current power signals applied to the plurality of transmission coils; a power source for supplying direct current power to the alternating current power generator; and a controller for controlling the phases of the plurality of alternating current power signals, wherein the controller changes the phase of at least one of the plurality of alternating current power signals to control transmission power output through the plurality of transmission coils. Therefore, the present invention provides an advantage in that a wireless power transmitter including a plurality of transmission coils can more precisely control wireless power.
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28.发明申请公开(公告)号：US20190288561A1
公开(公告)日：2019-09-19
申请号：US16429943
申请日：2019-06-03
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE , Dong Ho YONG , Do Hyun WON , Jong Heon LEE
Abstract: A wireless power receiver for transferring a power received from a wireless power transmitter to a load, the wireless power receiver including a receiving coil configured to receive an AC power from the wireless power transmitter, a rectifier configured to rectify the AC power into a DC power and a controller configured to monitor a DC voltage at an output of the rectifier, in which the wireless power receiver transceives information with the wireless power transmitter through an in-band communication, and the controller creates a control signal to adjust the AC power received from the wireless power transmitter and continuously is configured to charge the load when a charging state is changed.
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公开(公告)号：US20190148967A1
公开(公告)日：2019-05-16
申请号：US16096426
申请日：2017-03-17
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
Abstract: The present invention relates to a method for identifying a wireless power receiver and devices therefor. According to an embodiment of the present invention, a wireless power transmission device for transmitting power wirelessly to a wireless power reception device may comprise: a power conversion unit for converting, to a specific direct current power, a direct current power received from a power supply unit; and a feedback circuit for controlling an output voltage of the power conversion unit so that intensity of current that is input to the power conversion unit is maintained constant. Therefore, the present invention is advantageous in that the present invention enables transmission of appropriate power to a wireless power receiver even in a situation where a coupling coefficient between transmission/reception coils changes abruptly.
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公开(公告)号：US20190140485A1
公开(公告)日：2019-05-09
申请号：US16236007
申请日：2018-12-28
Applicant: LG Innotek Co., Ltd.
Inventor： Su Ho BAE
Abstract: A wireless power transmission apparatus can include a first coil transmitting a wireless power through a first power transmission scheme; a second coil transmitting a wireless power through a second power transmission scheme; and a control unit configured to transmit a detection signal for detecting a power transmission scheme, and receive a response signal corresponding to the detection signal during a predetermined time period, and determine a power transmission scheme according to the received the response signal, and transmit a power to the wireless power reception apparatus through the detected the power transmission scheme.
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