DEVICE AND METHOD FOR PERFORMING AUTHENTICATION IN WIRELESS POWER TRANSMISSION SYSTEM

    公开(公告)号:US20220346032A1

    公开(公告)日:2022-10-27

    申请号:US17853137

    申请日:2022-06-29

    Abstract: A wireless power receiver includes a power pickup configured to receive a wireless power from a wireless power transmitter, and a communicator/controller configured to control the wireless power. The wireless power receiver transmits, to the wireless power transmitter during a configuration phase, a configuration packet including an AI flag related to whether the wireless power receiver supports an authentication function, receives, from the wireless power transmitter during a negotiation phase, a capability packet including an AR flag and a potential power value of the wireless power transmitter, wherein the AR flag is related to whether the wireless power transmitter supports the authentication function, and performs a power transfer phase with the wireless power transmitter. The wireless power receiver transmits, to the wireless power transmitter during the power transfer phase, an authentication request message, and receives, from the wireless power transmitter during the power transfer phase, an authentication response message.

    WIRELESS POWER TRANSMITTER AND WIRELESS POWER TRANSMISSION METHOD
    3.
    发明申请
    WIRELESS POWER TRANSMITTER AND WIRELESS POWER TRANSMISSION METHOD 审中-公开
    无线发射机和无线电力传输方法

    公开(公告)号:US20170047786A1

    公开(公告)日:2017-02-16

    申请号:US15303413

    申请日:2015-04-10

    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.

    Abstract translation: 公开了一种无线电力发射机。 能够对多个无线电力接收器充电的无线电力发送器包括:多个线圈单元; 施加主脉冲信号的主半桥逆变器; 多个子半桥逆变器,其中施加有第一子脉冲信号或第二子脉冲信号; 监测通过线圈单元的电流的电流传感器; 以及通信和控制单元,其控制施加到主半桥逆变器和子半桥逆变器并与无线功率接收器通信的脉冲信号,其中子半桥逆变器可以分别连接到线圈单元。

    WIRELESS POWER TRANSFER DEVICE AND WIRELESS CHARGING SYSTEM HAVING SAME
    4.
    发明申请
    WIRELESS POWER TRANSFER DEVICE AND WIRELESS CHARGING SYSTEM HAVING SAME 审中-公开
    无线电力传输装置和无线充电系统

    公开(公告)号:US20160118179A1

    公开(公告)日:2016-04-28

    申请号:US14764874

    申请日:2014-01-24

    CPC classification number: H01F38/14 H01F27/2871 H01F27/36 H02J7/025 H02J50/10

    Abstract: According to an embodiment of the present invention, a wireless power transmitter comprises a base station configured to supply power to a portable electronic device, a coil formed in a manner of winding a wire and configured to convert a current into a magnetic flux, and a shielding unit configured to shield the base station from a magnetic field generated in the coil, wherein the coil has a triangular shape and is formed into a single layer.

    Abstract translation: 根据本发明的实施例,一种无线电力发射机包括:基站,被配置为向便携式电子设备供电;线圈,其以缠绕线的方式形成并被配置为将电流转换成磁通;以及 屏蔽单元,被配置为屏蔽基站与线圈中产生的磁场,其中线圈具有三角形并且形成为单层。

    WIRELESS POWER TRANSFER METHOD, WIRELESS POWER TRANSMITTER AND WIRELESS CHARGING SYSTEM
    5.
    发明申请
    WIRELESS POWER TRANSFER METHOD, WIRELESS POWER TRANSMITTER AND WIRELESS CHARGING SYSTEM 有权
    无线电力传输方法,无线发射器和无线充电系统

    公开(公告)号:US20140354222A1

    公开(公告)日:2014-12-04

    申请号:US14293797

    申请日:2014-06-02

    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。

    WIRELESS POWER TRANSMITTER AND RECEIVER FOR VEHICLE

    公开(公告)号:US20230231419A1

    公开(公告)日:2023-07-20

    申请号:US18186627

    申请日:2023-03-20

    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.

    STRUCTURE OF TRANSMISSION AND RECEPTION UNIT IN WIRELESS CHARGING SYSTEM
    9.
    发明申请
    STRUCTURE OF TRANSMISSION AND RECEPTION UNIT IN WIRELESS CHARGING SYSTEM 有权
    无线充电系统中传输和接收单元的结构

    公开(公告)号:US20130307468A1

    公开(公告)日:2013-11-21

    申请号:US13651001

    申请日:2012-10-12

    Abstract: The present disclosure provides the structure of a transmission and reception unit in a wireless charging system. To this end, according to an embodiment, there is provided a wireless power receiver configured to receive a wireless power signal from a wireless power transmitter to receive wireless power, and the wireless power receiver may include a receiving coil unit comprising a primary coil and a secondary coil receiving the wireless power signal; and a charger configured to charge power which is a sum of wireless power received by the primary coil and the secondary coil, respectively, based on the wireless power signal.

    Abstract translation: 本公开提供了无线充电系统中的发送和接收单元的结构。 为此,根据实施例,提供了一种无线电力接收器,被配置为从无线电力发射器接收无线电力信号以接收无线电力,并且无线电力接收器可以包括接收线圈单元,其包括初级线圈和 次级线圈接收无线电力信号; 以及充电器,被配置为基于所述无线功率信号分别对作为所述初级线圈和所述次级线圈的次级线圈的无线功率的总和进行充电的功率。

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