CN104081616A - 用于使用射频(rf)能量来进行无线设备充电的装置以及待被无线地充电的设备 - Google Patents
用于使用射频(rf)能量来进行无线设备充电的装置以及待被无线地充电的设备 Download PDFInfo
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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Abstract
一种用于使用射频(RF)能量来进行无线充电的装置,包括具有第一充电区域和第二充电区域的第一充电器部分。第一充电区域和第二充电区域位于公共的平面内,均具有用于对被放置为接近其的充电接收设备进行无线充电的至少一个线圈。线圈包括相应的绕组,绕组在相反的方向上进行绕制,每一个线圈串联连接,每一个线圈被配置为对至少一个充电接收设备进行充电。第二充电器部分具有第三充电区域,第三充电区域具有包括绕组的、用于对被放置为接近所述第三充电区域的充电接收设备进行无线充电的至少一个线圈,第三充电区域中的线圈与第一充电区域和第二充电区域中的线圈串联连接,第三充电区域位于与第一充电区域和第二充电区域的平面正交的平面内。
Description
相关申请的交叉引用
本申请要求享有于2011年12月5日递交的、名称为“APPARATUSFOR WIRELESS DEVICE CHARGING USING RADIO FREQUENCY (RF)ENERGY AND DEVICE TO BE WIRELESSLY CHARGED”的美国临时专利申请No.61/566,894的优先权和权益,通过引用方式将该临时专利申请的全部公开内容并入本文。
背景技术
诸如蜂窝电话之类的便携式通信设备经常地与无线耳机和其它小外形规格设备一起使用。此外,可以预想,存在用于便携式通信设备的应用,该应用将使便携式蜂窝电话的功能分布到较小的设备上。一种这样的应用是小型腕戴式设备的使用,该小的腕戴式设备可以与无线耳机或听筒配对,以用作便携式蜂窝电话。诸如基于GPS的定位和导航之类的其它的设备功能以及其它功能也可以并入至腕戴式设备中。这些设备中的每一个设备的共同需求是:它们典型地由诸如可再充电电池之类的小型可再充电电源来供电。在正常的工作条件下,必须经常地对可再充电电池进行再充电。对电池进行再充电的一种方式是使用有线充电器,有线充电器需要用于向设备直接供应充电能量的家用交流(AC)源。有线充电布置的一个问题是待被充电的设备必须包括连接器端口,充电器上相对应的连接器连接至该连接器端口。这样的连接器需要物理空间,并且使得很难对设备的外壳进行密封以提供不漏水的或防水的封装。
在不需要有线连接的情况下发生充电将是期望的。此外,无线充电允许制造没有外部充电连接的设备,这有助于制造不漏水的或防水的封装。无线充电还提供了用户移动的自由,并且允许同时对多个设备进行充电。可以从无线充电连接获益的设备的例子包括但不限于:无线耳机、多功能腕表、腕戴式显示器或其它腕戴式设备、助听器、电子听筒或其它设备。
发明内容
描述了用于使用射频(RF)能量来进行无线设备充电的装置和待被无线充电的设备。在实施例中,一种用于使用射频(RF)能量来进行无线充电的装置包括:具有第一充电区域和第二充电区域的第一充电器部分。所述第一充电区域和所述第二充电区域位于公共的平面中,所述第一充电区域和所述第二充电区域均具有至少一个线圈,所述至少一个线圈用于对被放置为接近所述第一充电区域和所述第二充电区域中的任一个充电区域的充电接收设备进行充电。所述第一充电区域和所述第二充电区域中的每一个充电区域中的所述至少一个线圈包括相应的绕组,所述第一充电区域中的所述线圈的所述绕组在与所述第二充电区域中的所述线圈的所述绕组的方向相反的方向上进行绕制,每一个线圈串联连接,每一个线圈被配置为对至少一个充电接收设备进行充电。第二充电器部分具有第三充电区域,所述第三充电区域具有包括绕组的至少一个线圈,所述至少一个线圈用于对被放置为接近所述第三充电区域的充电接收设备进行无线充电,所述第三充电区域中的所述线圈与所述第一充电区域和所述第二充电区域中的所述线圈串联连接,所述第三充电区域位于与所述第一充电区域和所述第二充电区域的所述平面正交的平面中。
在实施例中,一种腕戴式充电接收设备包括:适用于接收射频(RF)充电能量的天线线圈以及耦合至所述天线线圈的可再充电电源,所述天线线圈适用于向所述可再充电电源提供所述RF充电能量。
在实施例中,一种耳戴式充电接收设备包括:适用于接收射频(RF)充电能量的天线线圈以及耦合至所述天线线圈的可再充电电源,所述天线线圈适用于向所述可再充电电源提供所述RF充电能量。
在实施例中,一种充电接收设备包括:适用于接收射频(RF)充电能量的天线线圈、耦合至所述天线线圈的可再充电电源以及铁氧体磁性材料,所述天线线圈适用于向所述可再充电电源提供所述RF充电能量,以及所述铁氧体磁性材料将所述天线线圈同与所述充电接收设备相关联的含有金属的装配件分开。
附图说明
在图中,除非另外指示,遍及各个视图,类似的附图标记是指类似的部分。对于具有诸如“102a”或“102b”之类的字母字符指定的附图标记,字母字符指定可以区分在相同的图中出现的两个类似的部分或元件。当意图是附图标记包括所有图中具有相同附图标记的所有部分时,可以忽略附图标记的字母字符指定。
图1A是示出了无线充电器的第一实施例的示意图。
图1B是图1A中的无线充电器的替代的视图。
图2A是示出了无线充电器的第二实施例的示意图。
图2B示出了图2A中的无线充电器的替代的视图。
图3是示出了图2A和图2B中的无线充电器的平面视图的示意图。
图4是示出了图3中的无线充电器的替代的实施例的示意图。
图5是示出了图3中的无线充电器的替代的实施例的示意图。
图6是示出了以上描述的线圈的布置的替代的实施例的示意图。
图7是示出了待被充电的设备的示意图。
图8是示出了待被充电的设备的替代的实施例的示意图。
图9是示出了待被充电的设备的示意图。
图10A至图10D是示出了图9中的腕戴式设备的不同示例性实施例的示意图。
图11是示出了图1A中的无线充电器的一部分的实施例的示意图。
图12是示出了图1A中的无线充电器的一部分的替代的实施例的示意图。
具体实施方式
本文使用“示例性”一词来意指“充当例子、实例、或说明”。本文所描述的“示例性”的任何方面不必被理解为比其它方面优选或有利。
在该描述中,术语“应用”也可以包括具有诸如以下各项之类的可执行内容的文件:目标代码、脚本、字节代码、标记语言文件、以及补丁。此外,本文提及的“应用”也可以包括本质上不可执行的文件,诸如可能需要打开的文档或需要存取的其它数据文件。
术语“内容”也可以包括具有诸如以下各项之类的可执行内容的文件:目标代码、脚本、字节代码、标记语言文件、以及补丁。此外,本文提及的“内容”也可以包括本质上不可执行的文件,诸如可能需要打开的文档或需要存取的其它数据文件。
如在该描述中所使用的,术语“组件”、“数据库”、“模块”、“系统”等旨在指的是计算机相关的实体,不是硬件、固件、硬件和软件的组合、软件就是执行中的软件。例如,组件可以是但不限于:在处理器上运行的过程、处理器、对象、可执行程序、执行线程、程序和/或计算机。通过说明的方式,在计算设备上运行的应用和计算设备两者可以是组件。一个或多个组件可以驻留在进程和/或执行线程内,并且组件可以集中在一台计算机上和/或分布在两台或多台计算机之间。此外,这些组件可以通过在其上存储有各种数据结构的各种计算机可读介质执行。组件可以通过本地的和/或远程的过程的方式,例如根据具有一个或多个数据分组的信号(例如,来自与本地系统、分布式系统中另一个组件进行交互的一个组件的数据,和/或通过信号的方式越过诸如互联网之类的网络与其它系统进行交互的一个组件的数据)来进行通信。
用于使用RF能量来进行无线设备充电的装置可以并入至被称为“个人通信集线器”的东西。个人通信集线器可以包括:通信设备、个人数字助理、或另外的个人电子通信设备连同无线耳机、听筒、或者其它设备。举个例子,个人通信集线器可以包括:用作通信设备和/或显示设备的腕戴式设备以及无线地耦合至腕戴式设备的无线听筒或耳机。无线听筒或耳机用于可听得见的通信。这些设备由可再充电电源来供电,可再充电电源由充电系统或充电站来充电。充电系统也被称为无线电力发射机。
图1A是示出了无线充电器100的第一实施例的示意图。无线充电器100包括第一充电器部分110和第二充电器部分120。在实施例中,第一充电器部分110包括第一单元110-1和第二单元110-2,第一单元110-1和第二单元110-2可以可移动地耦合在一起,例如,在枢纽轴处(未示出)可旋转地耦合在一起。在实施例中,单元110-1和单元110-2可以绕着枢纽点旋转,使得其可以折叠在一起或如图1A中示出的那样打开。
在实施例中,第一充电器部分110的单元110-2可以适用于对耳戴式设备进行充电,以及第二充电器部分120可以适用于对腕戴式设备进行充电。可以使用铰链122使第二充电器部分120位于与第一充电器110的单元110-1相邻。铰链122可以允许第二充电器部分120的主轴旋转至与第一充电器部分110的主轴基本正交的位置。
第一充电器部分110的单元110-2包括充电区域132和充电区域134。天线124位于接近于充电区域134。在实施例中,充电区域132和充电区域134包括凹处或凹陷(depression)。在图1A中示出的实施例中,天线124环绕充电区域132,并且天线126环绕充电区域134。
第二充电器部分120包括充电区域136。天线128位于接近于充电区域136。在实施例中,可以使用诸如铜线之类的导电材料来制造天线124、126以及128中的任一个天线,以便将多匝导电线圈形成为圆柱形形状或平面形状,或者天线124、126以及128中的任一个天线可以实现为印刷结构,诸如形成在柔性膜上的印刷线圈。待被充电的设备被放置为接近合适的天线124、126以及128,并且经由RF能量耦合发生充电。在实施例中,天线124、126可以分别形成为圆柱形线圈152和154(图1B),并且天线128可以形成为平面线圈156(图1B),使用连续长度的导线使得天线124、126以及128全部串联连接,以便为对设备进行充电提供较高的效率。此外,如果需要的话,天线124和126位于尽可能地彼此靠近,以降低无线充电器100的整体尺寸。此外,圆柱形线圈152的绕组可以在与圆柱形线圈154的绕组的方向相反的方向上进行绕制,以便降低线圈之间的干扰。
图1B是图1A中的无线充电器100的替代的视图。图1B中的图解说明示出了待被充电的设备,在该例子中待被充电的设备是分别位于充电区域132和134中的耳戴式设备142和144。
在实施例中,连接器和电路162(示出在图1A中)向天线124、126以及128供应射频(RF)充电能量。然而,在替代的实施例中,向天线124、126以及128传送充电能量的电路可以位于无线充电器100内,并且将不存在任何外部连接器。在实施例中,电路卡装配件164可以接收外部生成的RF信号并且生成充电能量。在另一个实施例中,可以通过例如壁装式AC至DC适配器向电路卡装配件传送DC电力,壁装式AC至DC适配器将DC电力从AC源供应至例如与无线充电器100相关联的电路卡装配件164。电路卡装配件可以接收DC电力并且生成例如6.78MHz的RF信号,并且向天线124、126以及128供应RF能量。在实施例中,用于对耳戴式设备进行充电的多匝圆柱形线圈152和154位于水平平面中(平行于地平面),并且用于对腕戴式设备进行充电的多匝平面线圈156位于垂直平面中(垂直于地平面)。在实施例中,由于第二充电器部分120相对于第一充电器部分110的正交定向,因此可以将电路卡装配件164安装至在第二充电器部分120对面的第一充电器部分110,并且没有因为其接近于第二充电器部分120而遭受RF干扰或者遭受场的降级。天线128的主表面相对于电路卡装配件164的主表面的正交定向降低了从天线128至电路卡装配件164的RF和感应耦合。
使用RF能量来提供充电能量允许将待被充电的设备放置在天线124、126以及128内或邻近之处,而不需要特定定向。例如,当例如耳戴式设备142、144分别位于接近于充电区域132、134时,每一个充电区域132和134中的每一个耳戴式设备142和144的特定定向对于在天线124和设备142之间发生充电并非是关键的。形成充电区域132的凹处有助于从天线124向耳戴式设备142传输充电能量,在接近于充电区域132处,天线124围绕着凹处的垂直壁绕制。类似地,形成充电区域134的凹处有助于从天线126向耳戴式设备144传输充电能量,在接近于充电区域134处,天线126围绕着凹处的垂直壁绕制。
图2A是示出了无线充电器的第二实施例的示意图。无线充电器200包括第一充电器部分210和第二充电器部分220。在实施例中,第一充电器部分210可以适用于对耳戴式设备进行充电,以及第二充电器部分220可以适用于对腕戴式设备进行充电。可以使用铰链222使第二充电器部分220位于与第一充电器部分210相邻。铰链222可以允许第二充电器部分220的主轴旋转至与第一充电器部分210的主轴基本正交的位置。
图2B示出了图2A中的无线充电器的替代的视图。无线充电器200示出了旋转至铰链222上的垂直位置的第二充电器部分220,使得第二充电器部分220的主轴与第一充电器部分210的主轴基本正交。
第一充电器部分210包括充电区域232和充电区域234。天线224位于接近于充电区域232,以及天线226位于接近于充电区域234。在实施例中,充电区域232和充电区域234包括凹处或凹陷。在图2B中示出的实施例中,天线224环绕充电区域232,以及天线226环绕充电区域234。
第二充电器部分220包括充电区域236。天线228位于接近于充电区域236。在实施例中,可以使用诸如铜线之类的导电材料来制造天线224、226以及228中的任一个天线,以便将多匝导电线圈形成为圆柱形形状或平面形状,或者天线124、126以及128中的任一个天线可以实现为印刷结构,诸如形成在柔性膜上的印刷线圈。待被充电的设备被放置为接近合适的天线224、226以及228,并且可以经由RF能量耦合以适当的频率(例如,大约6.78MHz)发生充电。在实施例中,天线224、226可以分别形成为圆柱形线圈252和254,并且天线228可以形成为平面线圈256,使用连续长度的导线使得天线224、226以及228全部串联连接,以便为对设备进行充电提供较高的效率。此外,圆柱形线圈252的绕组可以在与圆柱形线圈254的绕组的方向相反的方向上进行绕制,以便降低线圈之间的干扰。
连接器和电路(未示出在图2A和图2B中)向天线224、226以及228供应射频(RF)充电能量。在实施例中,用于对耳戴式设备进行充电的多匝圆柱形线圈252和254位于水平平面中(平行于地平面),并且用于对腕戴式设备进行充电的多匝平面线圈256位于垂直平面中(垂直于地平面)。在实施例中,由于第二充电器部分220相对于第一充电器部分210的正交定向,因此可以将电路卡装配件264安装至在第二充电器部分220对面的第一充电器部分210,并且没有因为其接近于第二充电器部分220而遭受RF干扰或者遭受场的降级。天线228的主表面相对于电路卡装配件264的主表面的正交定向降低了从天线228至电路卡装配件264的RF和感应耦合。
如上文针对图1A和图1B所描述的,使用RF能量来提供充电能量允许将待被充电的设备放置在天线224、226以及228内或邻近之处,而不需要特定定向。
图3是示出了图2A和图2B中的无线充电器的平面视图的示意图。在图3中示出的实施例中,天线224和226实现为圆柱形线圈252和254,以及天线228实现为平面线圈256。在实施例中,圆柱形线圈252和254可以用于对听筒142和144进行充电,以及平面线圈256可以用于对腕戴式设备进行充电(未示出)。每一个天线224、226以及228的设计包括多匝线圈,多匝线圈可以全部串联连接,以便为对设备进行充电提供较高的效率。在实施例中,圆柱形线圈252的绕组在与圆柱形线圈254的绕组的方向相反的方向上进行绕制,以便降低线圈之间的干扰。
在实施例中,圆柱形线圈252和254包括五匝26AWG线并且被分开大约5毫米(mm)。平面线圈256可以包括五匝26AWG线并且位于与其中圆柱形线圈252和254所位于的平面正交的平面中。在实施例中,每一个圆柱形线圈252和254的面积大约是50mm x 50mm,以及平面线圈256的面积大约是35mm x 40mm。
连接器和电路262向天线224、226以及228供应射频(RF)充电能量。在实施例中,用于对耳戴式设备进行充电的多匝线圈252和254位于水平平面中(平行于地平面),并且用于对腕戴式设备进行充电的多匝线圈256位于垂直平面中(垂直于地平面)。在实施例中,由于第二充电器部分220相对于第一充电器部分210的正交定向,可以将电路卡装配件264安装至在第二充电器部分220对面的第一充电器部分210,并且没有因为其接近于第二充电器部分220而遭受RF干扰或者遭受场的降级。天线228的主表面相对于电路卡装配件264的主表面的正交定向降低了从天线228至电路卡装配件264的RF和感应耦合。
使用RF能量来提供充电能量允许将待被充电的设备放置在天线224、226以及228内或邻近之处,而不需要特定定向。
图4是示出了图3中的无线充电器的替代的实施例的示意图400。无线充电器400包括被实现为平面线圈352和354的天线224和226以及被实现为平面线圈356的天线228。每一个天线224、226以及228的设计包括多匝线圈,多匝线圈全部串联连接,以便为对设备进行充电提供较高的效率。在实施例中,平面线圈352的绕组在与平面线圈354的绕组的方向相反的方向上进行绕制,以便降低线圈之间的干扰。
在实施例中,平面线圈352和354包括五匝26AWG线并且被分开大约12毫米(mm)。平面线圈356可以包括五匝26AWG线并且位于与其中圆柱形线圈352和354所位于的平面正交的平面中。在实施例中,每一个圆柱形线圈352和354的面积大约是49mm x 57mm,以及平面线圈356的面积大约是35mm x 40mm。
连接器和电路362向天线224、226以及228供应RF充电能量。在实施例中,平面线圈352和354可以用于对耳戴式设备142和144进行充电,以及平面线圈356可以用于对腕戴式设备进行充电(未示出)。
图5是示出了图3中的无线充电器的替代实施例的示意图500。无线充电器500包括被实现为圆柱形线圈452的天线226以及被实现为平面线圈456-1和456-2的天线228(228-1和228-2)。每一个天线226、228-1以及228-2的设计包括多匝线圈,多匝线圈全部串联连接,以便为对设备进行充电提供较高的效率。
在实施例中,圆柱形线圈456包括五匝26AWG线。平面线圈456-1和456-2可以包括五匝26AWG线并且位于与其中圆柱形线圈452所位于的平面正交的平面中。在实施例中,平面线圈452的面积大约是45mm x75mm,以及每一个平面线圈456-1和456-2的面积大约是35mm x 40mm。
连接器和电路462向天线226、228-1以及228-2供应RF充电能量。在实施例中,圆柱形线圈452可以用于对一个或多个耳戴式设备142和144进行充电,以及平面线圈456-1和456-2可以用于对腕戴式设备进行充电(未示出)。在这样的应用中,与腕戴式设备相关联的天线线圈可以位于腕戴式设备的带子上,取决于腕戴式设备相对于线圈456-1和456-2的定向,腕戴式设备允许线圈456-1或456-2对腕戴式设备的电源进行充电。
图6是示出了上文所描述的线圈的布置的替代的实施例的示意图。如上文所描述的,图6中示出的图示可以用圆柱形线圈和/或平面线圈的任意组合来实现。电路布置600包括:线圈602、612和622;电容器604、614和624;以及开关606、616和626。在实施例中,电容器604和开关606与线圈602相关联;电容器614和开关616与线圈612相关联;以及电容器624和开关626与线圈622相关联。为了简化示出了三个线圈602、612以及622。取决于充电器的设计,可以实现任何数量的线圈。在实施例中,线圈、电容器以及开关形成充电结构。线圈602、电容器604以及开关606形成充电结构610。线圈612、电容器614以及开关616形成充电结构620。线圈622、电容器624以及开关626形成充电结构630。
若干个这样的充电结构被配置为对若干个充电接收设备进行充电。在其中每一个充电结构被配置为对单个充电接收设备进行充电的实施例中,充电接收设备的数量可以是等于或小于充电结构的数量的任何数量。在其中每一个充电结构被配置为对一个以上的充电接收设备进行充电的实施例中,充电接收设备的数量可以是等于、大于、或小于充电结构的数量的任何数量。
在实施例中,电容器604电匹配至线圈602,电容器614电匹配至线圈612,以及电容器624电匹配至线圈622。将电容器电匹配至相应的线圈通过将电路/CCA(在图6中未示出)的阻抗和电感匹配至相应的线圈来使充电能量的传输最大化。
导体629耦合至电容器604和开关606;以及导电631耦合至线圈622和开关626。取决于特定的实现,导体629和631耦合至电路162、262、362或462中的任一个电路;和/或电路卡装配件164和/或电路卡装配件264。
在一些实现中,可能期望启用少于所有的可用充电结构。当使用少于所有的可用充电结构来对少于最大数量的充电接收设备进行充电时,具有多个独立切换的线圈提高了充电效率。
在图6中示出的实施例中,可以选择性地控制开关606、616以及626中的每一个开关,以便选择性地旁路(bypass)其相应的相关联的电容器和线圈。例如,当开关606闭合时,线圈602和电容器604被旁路。类似地,当开关616闭合时,线圈612和电容器614被旁路。类似地,当开关626闭合时,线圈622和电容器624被旁路。以这种方式,通过选择性地控制开关606、616以及626处于打开(非导通)状态或闭合(导通)状态,可以将线圈602、612以及622切换入电路600中或切换出电路600,从而允许最大的效率,无论是否启用充电结构610、620以及630中的任何一个或全部以便对一个、两个、还是三个充电接收设备进行充电。这种用于选择性地旁路任何数量的线圈602、612以及622的能力是期望的,因为当对少于最大数量的充电接收设备进行充电时,旁路不具有充电接收设备的任何线圈是期望的。
可以使用若干种方法来实现开关606、616以及626,诸如举例来说,仅仅诸如晶体管之类的基于半导体的开关。开关逻辑单元635可以包括硬件、软件、硬件和软件的组合、或用于对开关606、616以及626的操作和状态进行控制的任何其它逻辑单元。还可以例如通过连接637向开关逻辑单元635提供一个或多个传感器输入信息,所述一个或多个传感器输入信息是关于充电接收设备是否被放置为接近线圈602、612以及622,使得至少部分地通过充电接收设备是否位于线圈附近或位于接近于线圈来对开关606、616以及626的状态进行控制。这样的传感器或接近确定技术对于本领域技术人员是公知的。开关逻辑单元635还可以通过连接639从电路/CCA接收电力和/或逻辑信号,并且通过相应的连接641、642以及643向开关606、开关616以及开关626提供开关控制信号。
举个例子,如果期望启用三个充电结构610、620以及630来对至少三个充电接收设备进行充电,例如,一个充电接收设备位于接近于每一个线圈602、612以及622,则将对开关606、616以及626中的每一个开关进行控制以被放置处于打开(非导通)状态。使开关606、616以及626中的每一个开关处于打开状态允许由上文描述的电路或电路卡装配件提供的电流流动通过导体629和631,并且通过相应的电容器604、614以及624和相关联的线圈602、612以及622中的每一个。
然而,当期望启用少于最大数量的充电结构来对少于至少三个充电接收设备进行充电时,则可以选择性地启用开关606、616以及626中的每一个开关不是处于闭合(导通)状态就是处于打开(非导通)状态。使开关处于打开(非导通)状态允许充电能量流动通过相关联的线圈。使开关处于闭合(导通)状态阻止充电能量流动通过相关联的线圈。
例如,如果期望启用线圈602以对至少一个充电接收设备进行充电,则将设置开关606处于打开(非导通)状态,而对开关616和626进行控制以被放置处于闭合(导通)状态。以这一方式,充电电流将流动通过导体629,跨过电容器604,通过导体607,通过线圈602,通过导体608,和通过闭合的开关616和626,以及通过导体631,从而旁路了线圈612和622。
类似地,例如,如果期望启用线圈602和线圈612以对至少两个充电接收设备进行充电,则将对开关606和616进行控制以被放置处于打开(非导通)状态,而将对开关626进行控制以被放置处于闭合(导通)状态。以这一方式,充电电流将流动通过如上文所描述的线圈602,以及然后因为开关616是打开的(非导通),所以电流将流动通过电容器614,通过导体618,通过线圈612,通过导体617,以及随后通过闭合开关626至导体631,从而旁路了线圈622和电容器624。
以这一方式,可以选择性地打开或闭合开关606、616以及626中的任一个开关,以便控制流动通过充电结构610、620以及630的电流。当使用充电结构610、620以及630来对少于至少三个充电接收设备进行充电时,具有用于控制充电电流流动通过切换的线圈的能力提高了充电效率。
图7是示出了待被充电的设备的示意图700。在图7中示出的实施例中,设备是耳戴式设备,例如听筒701。在实施例中,听筒701包括磁性材料702,磁性材料702环绕诸如可再充电电池704之类的可再充电电源。天线706环绕磁性材料702和电池704。天线706和电池704电耦合至电路卡装配件708,使得由天线706接收的充电能量经由电路卡装配件708传输至电池704。磁性材料702可以是铁氧体,铁氧体具有高磁导率,并且在存在金属材料(例如电池704、电路卡装配件708以及听筒701上的其它金属材料)的情况下有助于减轻在充电器的线圈(图7中未示出)与耳戴式设备的线圈天线706之间的磁场耦合的任何降低。
在实施例中,天线706实现为包括五匝30AWG线的圆柱形线圈,该五匝30AWG线围绕电池704而缠绕并且直接依附到电池704。天线从电池704的上表面的边缘进行布线,以增大天线704和电路卡装配件708之间的分离。在实施例中,磁性材料702可以具有大约0.375mm的厚度,并且可以从使用部件号为KNZFACA37QLO的松下公司获得。
在实施例中,与上文所描述的第一充电区域、第二充电区域以及第三充电区域中的任一个充电区域相关联的天线同与充电接收设备相关联的天线的面积之比的范围从大约二比一至七比一。
图8是示出了待被充电的设备的替代的实施例的示意图800。在图8中示出的实施例中,设备是耳戴式设备,例如听筒801。在图8中,天线806实现为位于与磁性材料802相邻的平面线圈,磁性材料802位于邻近电路卡装配件808之处。电池804位于邻近电路卡装配件808之处,并且适用于从天线806接收RF充电能量。
在实施例中,天线806实现为包括五匝30AWG线的平面线圈,五匝30AWG线位于邻近磁性材料802之处,磁性材料802依附到电池804。天线806位于在电池804的对面的磁性材料802的表面上。在实施例中,磁性材料802可以具有大约0.375mm的厚度,并且可以从使用部件号为KNZFACA37QLO的松下公司获得。
在替代的实施例中,天线706(图7)和天线806(图8)可以实现为印刷结构,例如形成在柔性膜上的印刷线圈。
图9是示出了待被充电的设备的示意图900。在图9中示出的实施例中,设备是诸如腕表901之类的腕戴式设备。腕戴式设备的替代的实施例包括但不限于:用于个人集线器的显示器、诸如便携式蜂窝类型电话之类的腕戴式通信设备、或另外的设备。在图9中示出的实施例中,腕表901包括主体910、链子或带子912以及电池904。在该实施例中,电池904位于远离主体910之处以减少主体910的厚度。然而,在替代的实施例中,电池904可以位于邻近主体910之处,或者在链子912上的另一位置处。
图10A至图10D是示出了图9中的腕戴式设备的非限制性的实施例的示意图。图10A至图10D中示出的实施例说明了在待由上文所描述的无线充电器来进行充电的设备上的充电能量接收天线的不同可能的位置和配置。例如,如上文所描述的,可以使用诸如铜线之类的导电材料来制造天线,以便将多匝导电线圈形成为圆柱形形状或平面形状,或者可以实现为诸如形成在柔性膜上的印刷线圈之类的印刷结构。举些非限制性的例子,天线可以是位于腕戴式设备的背部上的平面线圈、位于腕戴式设备的链子的内部的平面线圈、位于邻近电池之处的平面线圈、位于腕戴式设备的前部上的平面线圈、位于腕戴式设备的外围周围的圆柱形线圈、以及围绕腕戴式设备的电池而缠绕的圆柱形线圈。或者,天线可以是使用导电柔性材料制造的平面的印刷线圈,该天线位于如上文所描述的以减少天线的厚度。
在图10A中示出的实施例中,天线1014实现为位于邻近腕戴式设备的主体1010的后部之处的平面线圈。磁性材料1002位于天线1014和主体1010的后部之间。磁性材料1002可以是铁氧体,该铁氧体具有高磁导率,并且在存在金属材料(例如电池904、电路卡装配件以及腕戴式设备上的其它金属材料)的情况下有助于减轻在充电器的线圈(在图10A中未示出)与耳戴式设备的天线1014之间的磁场耦合的任何降低。
在图10B中示出的实施例中,天线1034实现为位于邻近腕戴式设备1001的链子1012之处的平面线圈。
在图10C中示出的实施例中,天线1054实现为位于邻近腕戴式设备1001的电池1056之处的平面线圈。
在图10D中示出的实施例中,天线1064实现为位于腕戴式设备1001的主体1010周围的圆柱形线圈。
此外,天线可以位于腕戴式设备的前部上,如围绕电池而缠绕的圆柱形线圈,或任何其它配置。
图11是示出了图1A中的无线充电器的一部分的实施例的示意图1100。第一充电器部分110的一部分包括凹处1102,诸如为了参考而以虚线示出的耳戴式设备142之类的待被充电的设备可以位于凹处1102中。在实施例中,横截面中示出的圆柱形天线1124可以如上文所描述的来加以制造,并且位于围绕凹处1102的外围。这样的配置增大了可以从天线1124传输至设备至耳戴式设备142的充电能量的量。
图12是示出了图1A中的无线充电器的一部分的替代的实施例的示意图1200。第一充电器部分110的一部分包括被实现为印刷平面线圈的天线1224和1226。为了参考而以虚线示出了耳戴式设备142。可以使用导电柔性或非柔性材料来制造印刷平面线圈,印刷平面线圈位于如上文所描述的以减少天线的厚度。
例如,鉴于以上公开内容,编程领域的普通技术人员可以基于本说明书中的流程图和相关联的描述来编写计算机代码或识别适当的硬件和/或电路,以便毫无困难地来实现所公开的本发明。因此,程序代码指令的特定集合或详细的硬件设备的公开内容不被认为是充分理解如何制作和使用本发明所必要的。在上文描述中并且结合可以说明各种过程流程的图更详细地解释了所要求保护的计算机实现的过程的创造性的功能。
在一个或多个示例性方面,所描述的功能可以在硬件、软件、固件、或其任何组合中实现。如果在软件中实现,则这些功能可以作为一个或多个指令或代码存储在计算机可读介质上或者通过计算机可读介质进行传输。计算机可读介质包括计算机储存介质与通信介质两者,通信介质包括促进计算机程序从一处传送至另一处的任何介质。存储介质可以是可由计算机存取的任何可用介质。通过举例而非限制性的方式,这样的计算机可读介质可以包括RAM、ROM、EEPROM、CD-ROM或其它光盘存储、磁盘存储或其它磁存储设备,或者可以用于携带或存储具有指令或数据结构形式的所期望的程序代码并且可以由计算机进行存取的任何其它介质。
此外,任何连接被适当地称作计算机可读介质。例如,如果使用同轴电缆、光纤电缆、双绞线、数字用户线(“DSL”)、或者诸如红外线、无线电以及微波之类的无线技术从网站、服务器、或其它远程源发送软件,则同轴电缆、光纤电缆、双绞线、DSL、或者诸如红外线、无线电以及微波之类的无线技术包括在介质的定义中。
如本文所使用的,磁盘和光盘包括压缩光盘(CD)、激光光盘、光学光盘、数字多功能光盘(DVD)、软盘以及蓝光光盘,其中,磁盘通常磁性地复制数据,而光盘利用激光光学地复制数据。上述的组合也应当包括在计算机可读介质的范围内。
尽管已经详细地示出和描述了选定的方面,但是将理解,在不脱离如由下面的权利要求定义的本发明的精神和范围的情况下,可以在其中作出各种替换和变动。
Claims (35)
1.一种用于使用射频(RF)能量来进行无线充电的装置,包括:
第一充电器部分,所述第一充电器部分具有第一充电区域和第二充电区域,所述第一充电区域和所述第二充电区域位于公共的平面中,所述第一充电区域和所述第二充电区域均具有用于对被放置为接近所述第一充电区域和所述第二充电区域中的任一个充电区域的充电接收设备进行无线地充电的至少一个线圈,所述第一充电区域和所述第二充电区域中的每一个充电区域中的所述至少一个线圈包括相应的绕组,所述第一充电区域中的所述线圈的所述绕组在与所述第二充电区域中的所述线圈的所述绕组的方向相反的方向上进行绕制,每一个线圈串联连接,每一个线圈被配置为对至少一个充电接收设备进行充电;以及
第二充电器部分,所述第二充电器部分具有第三充电区域,所述第三充电区域具有包括绕组的、用于对被放置为接近所述第三充电区域的充电接收设备进行无线地充电的至少一个线圈,所述第三充电区域中的所述线圈与所述第一充电区域和所述第二充电区域中的所述线圈串联连接,所述第三充电区域位于与所述第一充电区域和所述第二充电区域的所述平面正交的平面中。
2.根据权利要求1所述的装置,其中,每一个线圈被配置为对多个充电接收设备进行充电。
3.根据权利要求1所述的装置,还包括:被放置为非特定对齐接近所述第一充电区域、所述第二充电区域以及所述第三充电区域中的任一个充电区域的充电接收设备,其中,所述第一充电区域和所述第二充电区域适用于接纳耳戴式充电接收设备,以及所述第三充电区域适用于接纳腕戴式充电接收设备。
4.根据权利要求1所述的装置,其中,以大约6.78MHz的频率传输充电能量。
5.根据权利要求1所述的装置,其中,与所述第一充电区域、所述第二充电区域以及所述第三充电区域中的任一个充电区域相关联的所述线圈同与所述充电接收设备相关联的天线线圈的面积之比的范围从大约二比一至大约七比一。
6.根据权利要求1所述的装置,其中,从圆柱形线圈、平面线圈以及印刷线圈中选择所述线圈。
7.根据权利要求6所述的装置,其中,所述印刷线圈形成在柔性膜上。
8.根据权利要求1所述的装置,还包括:在所述第一充电器部分和所述第二充电器部分中的任一个充电器部分中形成的凹处,并且其中,所述天线线圈被配置作为布置在所述凹处的外围周围的圆柱形线圈,所述凹处被配置为接纳充电接收设备。
9.根据权利要求1所述的装置,还包括:开关以及与每一个线圈相关联的电容器,所述开关是选择性地操作的,使得当处于导通状态时,所述开关阻止所述相关联的线圈接收用于生成充电能量的电流。
10.根据权利要求9所述的装置,其中,开关、电容器以及线圈形成充电结构,并且多个充电结构是选择性地操作的,使得当处于导通状态时,每一个相应的开关阻止所述相关联的线圈生成充电能量。
11.根据权利要求10所述的装置,其中,多个充电结构被配置为对数个充电接收设备进行充电,充电接收设备的数量是等于、大于或小于充电结构的数量的任意数量。
12.一种腕戴式充电接收设备,包括:
天线线圈,其适用于接收射频(RF)充电能量;以及
耦合至所述天线线圈的可再充电电源,所述天线线圈适用于向所述可再充电电源提供所述RF充电能量。
13.根据权利要求12所述的腕戴式充电接收设备,还包括:铁氧体磁性材料,其将所述天线线圈同与所述充电接收设备相关联的含有金属的装配件分开。
14.根据权利要求13所述的腕戴式充电接收设备,其中,所述含有金属的装配件包括电子电路装配件。
15.根据权利要求12所述的腕戴式充电接收设备,其中,从圆柱形线圈、平面线圈以及印刷线圈中选择所述天线线圈。
16.根据权利要求15所述的腕戴式充电接收设备,其中,所述印刷线圈形成在柔性膜上。
17.根据权利要求12所述的腕戴式充电接收设备,其中,以大约6.78MHz的频率传输充电能量。
18.根据权利要求12所述的腕戴式充电接收设备,其中,所述天线线圈位于所述腕戴式设备上,与所述腕戴式设备的主体的后表面相邻。
19.根据权利要求12所述的腕戴式充电接收设备,其中,所述天线线圈位于所述腕戴式设备上的带子上。
20.根据权利要求12所述的腕戴式充电接收设备,其中,所述天线线圈位于邻近所述可再充电电源之处。
21.根据权利要求12所述的腕戴式充电接收设备,其中,所述天线线圈围绕所述腕戴式设备的主体而绕制。
22.一种耳戴式充电接收设备,包括:
天线线圈,其适用于接收射频(RF)充电能量;以及
耦合至所述天线线圈的可再充电电源,所述天线线圈适用于向所述可再充电电源提供所述RF充电能量。
23.根据权利要求22所述的耳戴式充电接收设备,还包括:铁氧体磁性材料,其将所述天线线圈同与所述充电接收设备相关联的含有金属的装配件分开。
24.根据权利要求23所述的耳戴式充电接收设备,其中,所述含有金属的装配件包括电子电路装配件。
25.根据权利要求23所述的耳戴式充电接收设备,其中,所述含有金属的装配件包括所述可再充电电源。
26.根据权利要求22所述的耳戴式充电接收设备,其中,从圆柱形线圈、平面线圈以及印刷线圈中选择所述天线线圈。
27.根据权利要求26所述的耳戴式充电接收设备,其中,所述印刷线圈形成在柔性膜上。
28.根据权利要求26所述的耳戴式充电接收设备,其中,所述圆柱形线圈围绕所述可再充电电源而缠绕。
29.根据权利要求22所述的耳戴式充电接收设备,其中,以大约6.78MHz的频率传输充电能量。
30.一种充电接收设备,包括:
天线线圈,其适用于接收射频(RF)充电能量;
耦合至所述天线线圈的可再充电电源,所述天线线圈适用于向所述可再充电电源提供所述RF充电能量;以及
铁氧体磁性材料,其将所述天线线圈同与所述充电接收设备相关联的含有金属的装配件分开。
31.根据权利要求30所述的充电接收设备,其中,从腕戴式设备和耳戴式设备中选择所述充电接收设备。
32.根据权利要求30所述的充电接收设备,其中,所述含有金属的装配件包括电子电路装配件。
33.根据权利要求30所述的充电接收设备,其中,所述含有金属的装配件包括所述可再充电电源。
34.根据权利要求30所述的充电接收设备,其中,从圆柱形线圈、平面线圈以及印刷线圈中选择所述天线线圈。
35.根据权利要求34所述的充电接收设备,其中,所述印刷线圈形成在柔性膜上。
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Also Published As
Publication number | Publication date |
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US20130141037A1 (en) | 2013-06-06 |
JP2015501124A (ja) | 2015-01-08 |
KR20140098239A (ko) | 2014-08-07 |
WO2013085892A3 (en) | 2013-08-01 |
WO2013085892A2 (en) | 2013-06-13 |
US9236756B2 (en) | 2016-01-12 |
EP2789070A2 (en) | 2014-10-15 |
IN2014CN03960A (zh) | 2015-09-25 |
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