CN103931074A - 感应功率传送装置 - Google Patents

感应功率传送装置 Download PDF

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CN103931074A
CN103931074A CN201280055436.XA CN201280055436A CN103931074A CN 103931074 A CN103931074 A CN 103931074A CN 201280055436 A CN201280055436 A CN 201280055436A CN 103931074 A CN103931074 A CN 103931074A
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mobile device
power
coil
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A.奥布里
F.奥特兰
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Valeo Systemes Thermiques SAS
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • 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
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • 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
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

本发明涉及单个装置(500)，其组合了用于为移动装置再充电的感应功率发送器和与所述移动装置进行近场数据通信(NFC)的功能。所述装置包括至少以下元件：a)感应功率传送模块(500)，用于传送功率给移动装置(600)，包括：功率传送线圈(110)；第一装置(120)，用于在功率传送模块和移动装置之间通信；和装置(130)，用于监视移动装置的充电；b)第二近场通信装置，包括：数据传送线圈(310)；第二装置(320)，用于在数据传送模块和移动装置之间通信；和装置(330)，用于控制与移动装置的信息交换，和c)基部(502)，用于接收移动装置。

Description

感应功率传送装置
技术领域
本发明涉及与近场通信模块组合的功率传送模块。
背景技术
已知的实践是使用功率传送模块，以便为诸如便携式电话的移动装置的电池供电或充电。
考虑到移动型号的多样性，利用通过感应器件进行功率传递的无线充电装置的使用具有的优势是允许不用使用专用于每个移动型号的充电器的自由度。
这样的无线感应功率发送器已知在建筑内使用，诸如私人住房，和在机动车辆乘客舱中使用。
图1示出了这样的功率传送模块100的操作，功率传送模块100安装在基部102中且与移动装置200(在该情况下，为便携式电话)协作。功率传送模块100具有发送线圈110，移动装置200具有接收线圈210。为了将功率传送给移动装置200，交流电流经过发送线圈110，以便产生磁场101。该磁场101穿过移动装置的线圈210，且在所述线圈内产生电压。由此产生的电压则可用于为移动装置供电或为移动装置的电池充电。
为了节省能量，不能所有时间都发出磁场101，因为考虑到要发出的功率，对电流的需求非常高。为了这个原因，这样的功率发送器被构造为，仅在两个线圈110和210一个对着另一个布置时产生磁场。为此，功率传送模块和移动装置每个分别具有通信装置120和220，其允许两个装置彼此通信。这些通信装置120和220每个包括发送装置和接收装置。在该情况下，作为例子，这些发送和接收装置包括用于调制和去调制通信信号的频率或幅度的电路，该通信信号意图在由磁场101产生的载波上被传送。基本原理涉及，仅当已经在功率传送模块的基部102上检测到移动装置的存在时发出磁场101。为了实现该检测，功率传送模块的通信装置120根据预定的固定周期发射查询信号“ping”给用于移动装置的基部102上保留的位置。在基部上不存在移动装置时，功率发送器的接收器120不检测回复信号且不传送功率。在该情况下，承载调制通信信号的载波101为低功率，即远远低于为诸如便携式电话的移动装置的电池供电或充电所需的功率。一旦移动装置布置到基部102上，且两个线圈120、220布置为彼此相对，由磁场101传送的功率唤醒移动装置的充电控制装置230，其响应查询信号“ping”的接收，发送用于移动装置的存在信号给功率传送模块。作为例子，该存在信号可涉及识别符，其永久地存储在移动装置中且表示被检测的移动装置。一旦该存在信号被功率传送模块100检测到，功率传送模块100通过功率传送模块的充电控制装置130(其基于被接收的识别符使磁场的功率相适应)产生磁场101，其适于被检测的移动装置。当功率传送被执行时，功率传送模块和移动装置彼此通信，以便验证移动装置确实仍存在于功率发送器的基部102上。由此，通信装置120周期地发送查询信号“ping”，且移动装置通过发送回复消息(在该情况下作为例子是识别符)而响应为存在。一旦移动装置被取走，回复信号不再到达功率传送模块，磁场101的功率减小，从而其仅需用作用于调制通信信号的载波，特别是查询信号“ping”。移动装置可同样发送表示其电池的充电结束的信号给功率发送器，且在移动装置被取走的情况下，充电控制装置130减小磁场101的功率，以便将其限制到其作为用于调制信号的载波的角色。
如可见的，这样的功率传送模块完全自主且是自给自足的。不是必须进行外部动作来启动功率传送，且无论该功率传送模块所处的环境，通信对于用户易察觉地发生；无论是布置在屋子里还是机动车辆中，其操作保持相同。
此外，还已知的实践是使用近场通信读取器，用于与另外的装置交换信息，该另外的装置被不超过大约十厘米的距离分开。该类型的通信的例子通过术语NFC(近场通信)已知。该类型的近通信，限制到非常短的距离，例如在专用于运输的应用中使用。由此，运输卡或徽章装备有NFC装置，用户在专用读取器前方通过，以便能够访问平台。装备移动装置(诸如徽章、访问卡(access card)或移动电话)的这些装置称为“标签”。它们由发送/接收天线和用于控制标签的逻辑电路构成，该标签可同样为用于存储意图与标签读取器交换的信息的区域。
通信范围被限制到非常短的距离具有的优点是，NFC徽章读取器可仅识别主动布置在为该端提供的读取区域前方的徽章。由此那里不会存在徽章的不期望读取，所述徽章例如被位于距徽章读取器非常远距离的另外的人携带。其是基于非常短距离的通信的安全装置。
这样的近场通信装置(以下称为NFC)对于电话应用是已经已知的，其中，作为例子，NFC徽章布置在移动电话上，以便执行例如商业交易。
图2示出这样的NFC徽章读取器300的操作，读取器300具有基部302且与移动装置400协作，该移动装置装备有由例如NFC标签构成的NFC发送/接收模块。
标签读取器300具有发送/接收线圈310，且移动装置400具有发送/接收线圈410，例如布置在标签形式的移动装置内。标签通常具有签条的形状，其具有天线和逻辑电路。作为变体，标签可被用于移动装置的控制电路替换，其模拟标签的操作。在该情况下，以该方式模拟的标签可与移动装置(诸如便携式电话)的其他功能协作。
为了将消息传送给移动装置400，电流流过标签读取器300的发送/接收线圈310，以便产生磁场301。该磁场301穿过移动装置的标签的线圈410，且在所述线圈410内产生电压。该磁场需要足够强大，以为标签的电路供电。
标签读取器和移动装置每个分别具有通信装置320和420，其允许两个装置彼此通信。这些通信装置320和420每个包括发送装置和接收装置。在该情况下例如，这些发送和接收装置包括用于调制和去调制通信信号的频率或幅度的电路，所述通信信号意图在由磁场301产生的载波上被发送。
标签读取器300的通信装置320根据预定的固定周期在位于基部301周围的读取区域中发射查询信号“ping”。一旦在用于建立NFC通信的最小距离处没有移动装置，标签读取器300的通信电路320的接收器检测不到回复信号。
一旦移动装置布置在通信区域内，由磁场301传送的功率唤醒用于移动装置的标签430的控制装置，其响应查询信号“ping”的接收，发送用于移动装置的存在信号给标签读取器300。作为例子，该存在信号可涉及NVRAM(非易失随机存储器)中存储的识别器，例如整合在移动装置的NFC标签的电子部件中。
与发生在移动装置和读取器之间的较大距离处的通信不同，NFC通信发生在近距离处。为此，其可证明对于指示靠近标签读取器的区域中的标签存在是有用的。
但是，尽管具有不同目的——第一是功率传送、第二是次数据交换——这两个装置在操作中具有相当大的相似性。
特别是对于第一个，为了确保感应充电器的发送器模块100和接收移动装置200之间的良好效率水平的功率传送，必须使发送器110和接收器210的线圈之间有良好的物理耦合。也即是说，实际上，两个线圈之间的距离需要小于5mm。
这要求对用户约束，其需要确保移动装置200正确地定位在功率发送器100的基部102上。
等同地，对于第二个，为了确保近场通信装置(NFC)和移动设备之间的数据交换，再次必须确保NFC读取器的线圈(或天线)310和移动装置的线圈(或天线)410之间的良好水平的耦合。
这需要设备的移动部件被定位在感应充电装置的基部102上(图1)，或近场通信装置的基部302上(图2)，这对应于要执行的功能。
发明内容
本发明的目的是允许这两个装置与单个移动装置同时使用，因为用户需要改变移动装置的位置。
这通过在相同设备件中组合所有装置而实现，其允许功率传送和近场数据通信的功能被提供。也就是说，如图3所示，通过在同一个基部502下将以下元件并入到同一个设备件500中，其中，该基部意图接收移动设备件，以下元件是：
-功率传送线圈(110)，
-第一通信装置(120)，在功率传送模块和移动装置之间，
-控制装置(130)，用于移动装置的充电，
-数据传送线圈(310)，
-第二通信装置(320)，在数据传送模块和移动装置之间，
-控制装置(330)，用于与移动装置交换信息。
该特征在汽车领域特别有益，其中，用户的安全性使得必需在驾驶车辆时避免操纵移动装备。
该特征将还允许在车辆中获得空间，且有助于改善车辆的容量，而不牺牲为用户提供的功能。
最后，该特征使得可以减小重量且因此有助于减小燃料消耗。
以相同的方式，在家中将有益处，用于避免移动设备件在多个站点之间的进入和离开。此外，这将通过限制为感应充电器100和短程通信读取器300(NFC)设备件供电所需的电源插座的数量而允许布线需求的减小。
该组合的另一优势是通过备用设备件数量的减小而减小备用消耗，单个设备件而不是两个设备件需要永久电源(称为备用电源)。尽管总体上最小化，但如果在长期考虑(诸如一年)，该备用消耗可能不再不可忽略，因为其是永久的。不少见的是，该备用消耗，考虑一年的平均值，超过设备件的有用消耗。
本发明的主题是一种设备件，具有至少
a-感应功率传送模块，其意图传送所述功率给移动设备件，所述模块包括：
-功率传送线圈，
-第一通信装置，在功率传送模块和移动装置之间，
-控制装置，用于移动装置的充电，
b-第二近场通信器件，包括：
-数据传送线圈，
-第二通信装置，在数据传送模块和移动装置之间，
-控制装置，用于与移动装置交换信息，
c-基部，意图接收移动装置，
其中：
功率传送线圈和数据线圈设置在所述基部中，以便同时允许与布置到所述基部上的所述移动设备件的数据交换和功率的传送。
功率传送装置可还具有一个或多个以下特征，分别采用或结合采用：
用于移动装置的充电的控制装置和用于与移动装置进行信息交换的控制装置通过器件链接，该器件允许信息被交换，以便改善装备的操作。
功率传送线圈和数据传送线圈一个设置在另一个顶部上，以便最小化基部与移动装置的接触面积。
功率传送线圈和数据传送线圈组合为单个线圈，其可具有中间槽，以便最小化基部与移动装置的接触面积和设备件的尺寸。
该设备件并入到机动车辆中的设备件中，其与该设备件至少共享基部。
该设备件并入到机动车辆中的设备件中，其与该设备件共享至少一个电子功能，诸如连接器、调整的电源或微处理器。
车辆中并入的设备件是用于乘客舱的控制面板。
车辆中并入的设备件是用于乘客舱的覆盖元件。
可移除的设备件是可运输的，且被设置用于仅需要通过外部源的供电的自主使用。
可移除的设备件被机动车辆中的点烟器供电。
可移除的设备件被机动车辆中的电源线供电。
可移除的设备件被建筑的主电源供电。
-用于两个***-感应功率发送器和近场通信(NFC)徽章读取器-的控制***通过信息交换器件链接，该信息交换器件将允许这两个***的操作的协作被改善。
-被包括在设备件中的两个***-感应功率发送器和近场通信(NFC)徽章读取器-的传送线圈(或天线)可被叠加，以便减小其在移动装置的接收基部上的尺寸，并因此允许更紧凑的移动装置使用。
-被包括在设备件中的两个***-感应功率发送器和近场通信(NFC)徽章读取器-的传送线圈(或天线)可组合为单个线圈(或天线)，以便减小设备件的尺寸，和因此允许其重量和成本被减小。
-设备件可有利地用于机动车辆中，其中，其可与已经存在于车辆中的设备件组合，该已经存在的设备件诸如，作为例子，用于仪表板的控制面板，或仍作为例子，用于乘客舱的覆盖元件，例如手套箱、门或位于座位之间的中央控制台。
-设备件将有利地能够与机动车辆中的这些设备件共享机械功能，例如基部502，或电子功能，诸如连接器、电源调节电路或微控制器等。
-设备件将能够以可移除版本提出，其可在机动车辆中运输，或在家中，例如通过从机动车辆中的点烟器插座获得其电源，或从机动车辆中的电力线获得其电源，或从建筑的主源获得其电源等。
附图说明
本发明的其他特征和优势将在参考附图作为示例给出的无限制性的以下描述中而显现，在附图中：
图1示意性地示出根据现有技术的感应功率发送器，
图2示意性地示出根据现有技术的近场通信(NFC)徽章读取器，
图3示意性地示出根据本发明的设备件，其组合了感应功率发送器和近场通信(NFC)徽章读取器，
图3示意性地示出根据本发明的设备件，其组合了感应功率发送器和近场通信(NFC)徽章读取器，
图4示意性地示出根据本发明改进例的设备件，其组合了感应功率发送器和近场通信(NFC)徽章读取器，其控制***通过信息交换器件505链接，
图5示意性地示出根据本发明的设备件的另一实施例，其组合了感应功率发送器和近场通信(NFC)徽章读取器，其线圈(或天线)在设备件中一个设置在另一顶部，允许与移动装置接触的基部的表面面积的减小，
图6示意性地示出根据本发明的设备件的另一实施例，其组合了感应功率发送器和近场通信(NFC)徽章读取器，其线圈(或天线)已经在设备件中合并为单个线圈(或天线)，允许所述设备件的体积减小。
具体实施方式
各图中的相同标记表示相同的技术特征。
上述图1显示了感应功率发送器100，其具有第一通信器件，该第一通信器件允许它与外界通信，即与需要它传送功率的移动装置200通信。这些第一通信器件具有线圈110和调制器件120，所述线圈110提供用于被控制逻辑130调制的信号的载波，所述调制器件120能够调制和去调制与移动装置200交换的信号的。线圈110布置为靠近基部102，其允许移动装置被接收，以便确保与移动装置的线圈210的良好耦合水平，且限制磁场101的损失。要被传送至移动装置的功率在该例子中通过外部源经由链接件105提供。
上述图2显示了近场通信(NFC)徽章读取器300，其具有第一通信器件，所述第一通信器件允许它与外界通信，即与它交换信息的移动装置400通信。这些第一通信器件具有线圈310和调制器件320，所述线圈310提供用于被控制逻辑330调制的信号的载波，所述调制器件320能够调制和去调制与移动装置400交换的信号。线圈(或天线)310布置为靠近基部302，其允许移动装置被接收，以便确保与移动装置的线圈或天线410的良好耦合水平，且限制磁场301的损失。
根据图3显示的第一示例实施例，设备件500在意图接收移动设备件600的基部502以下包括：意图为所述设备600充电的功率传送线圈110，在用于与所述移动装置600数据通信的线圈(或天线)310旁边。
由功率传送线圈110产生的磁场101被通信模块120控制，通信模块120负责基于充电控制模块130调制所述磁场101。在该实施例中，功率源是，作为例子，由设备件500之外通过功率链接件105(诸如建筑物中的主电源供给线或机动车辆中的点烟线等)提供的。
由所述功率传送线圈110产生的磁场101穿过基部502，且在与之相对的移动装置600的线圈210中产生功率信号。该功率信号被使用，以便为移动装置600的通信电路220供电和为控制电路230充电。如前所述，控制模块230通过使用相同频道(220、210、101、110、120)响应，以发送信息给功率发送器的控制模块130，向其确认对功率的需要以为移动装置600的电池供电。
等同地，由数据通信线圈310产生的磁场301被通信模块320控制，通信模块320负责基于通信控制模块330调制所述磁场301。
由数据通信线圈(或天线)310产生的磁场301穿过基部502，且在移动装置600的线圈410中产生通信信号，该线圈与之相对地定位。该数据通信信号用于为移动装置600的通信电路420和通信控制电路430供电。如之前所述，控制模块430通过使用相同频道(420、410、301、310、320)响应，以发送信息给数据通信控制模块330，向其确认基于通信协议的通信的需要，该通信协议例如由NFC类型标准定义，以便与移动装置600交换信息。
对于该装置的优化操作，重要的是，各线圈彼此相对地设置，也就是说，110面向210，310面向410。
根据图4示出的第二示例性实施例，用于感应功率发送器(110、120、130)的控制模块130和用于近场通信(NFC)徽章读取器模块(310、320、330)的控制模块330通过信息交换器件505链接，该器件允许这两个***的操作的协作被改进。作为例子，该通信器件可以是通信总线(I2C、CAN、SPI等,除此之外还有别的)或直接线链接件。
根据图5所示的第三示例性实施例，近场通信(NFC)徽章读取器(310b、320、330)的线圈(或天线)310b已经放置在感应功率发送器(110b、120、130)的线圈110b上方，其允许移动装置600b的接收基部502上的尺寸减小。
应指出，移动装置的线圈将必须持久地布置，也就是说，如图5所示，用于功率的接收线圈210b在近场传送***的通信息线圈410b上方。
作为例子显示的该布置比通过将功率线圈(110b、210b)布置在通信线圈(310b、410b)之间的反向布置(但其仍是可考虑的)优选(执行地更好)。
该示例性实施例具有的优势是，允许更紧凑的移动装置的设置和使用，以及更紧凑的设备件500b的设置。
根据图6所示的第四示例性实施例，近场通信(NFC)徽章读取器(150、320c、330)的线圈(或天线)和感应功率发送器(150、120c、130)的线圈通过单个线圈或天线150设置，其提供所述两个功能，其此外还允许在设备件500c中的装置的体积的减小。
应指出，可以使用具有中间槽的单个线圈，以辅助对各频率的适应，所述频率涉及在两个传送***中(高频用于NFC，低频用于功率传送)。
该示例性实施例具有的优点是允许设备件500c的重量和成本的下降。

Claims (12)

1.一种设备件(500)，具有至少：
a-感应功率传送模块(500)，意图传送所述功率给移动设备件(600)，所述模块包括：
-功率传送线圈(110)，
-第一通信装置(120)，在功率传送模块和移动装置之间，
-控制装置(130)，用于移动装置的充电，
b-第二近场通信器件，包括：
-数据传送线圈(310)，
-第二通信装置(320)，在数据传送模块和移动装置之间，
-控制装置(330)，用于与移动装置交换信息，
c-基部(502)，意图接收移动装置，
其特征在于，
功率传送线圈110和数据线圈310设置在所述基部(502)中，以便同时允许与布置到所述基部上的所述移动设备件(600)的数据交换和功率的传送。
2.如权利要求1所述的设备件(500)，其特征在于，用于移动装置的充电的控制装置(130)和用于与移动装置进行信息交换的控制装置(330)通过器件(505)链接，该器件允许信息被交换，以便改善装备的操作。
3.如权利要求1或2所述的设备件(500)，其特征在于，功率传送线圈(110)和数据传送线圈(310)一个设置在另一个顶部上，以便最小化基部(502)与移动装置(606b)的接触面积。
4.如权利要求1或2所述的设备件(500)，其特征在于，功率传送线圈和数据传送线圈组合为单个线圈(150)，所述单个线圈可具有中间槽，以便最小化基部(502)与移动装置(600b)的接触面积和设备件(500)的尺寸。
5.一种用于机动车辆的乘客舱的控制面板，其特征在于，其并入了如权利要求1至4中的任一项所述的设备件，其与该设备件至少共享基部(502)。
6.如前一权利要求所述的控制面板，其特征在于，其与设备件(500)共享至少一个电子功能件，诸如连接器、调整的电源或微处理器。
7.一种用于机动车辆的乘客舱的覆盖元件，其特征在于，其并入了如权利要求1至4中的任一项所述的设备件，其与该设备件至少共享基部(502)。
8.如前一权利要求所述的用于机动车辆的覆盖元件，其特征在于，其与设备件(500)共享至少一个电子功能件，诸如连接器、调整的电源或微处理器。
9.如权利要求1至4中的任一项所述的设备件，其特征在于，其是可运输的、可移除的，且被设置用于仅需要通过外部源的供电的自主使用。
10.如权利要求9所述的设备件，其特征在于，其由机动车辆中的点烟器供电。
11.如权利要求9所述的设备件，其特征在于，其由机动车辆中的电源线供电。
12.如权利要求9所述的设备件，其特征在于，其由建筑物的主电源供电。
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US20140346860A1 (en) 2014-11-27

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