CN112955988A - 用于对电能存储器进行无接触感应充电的装置 - Google Patents
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Abstract
本发明涉及一种用于无接触感应式能量传递的模块(100),其具有:线圈(110),该线圈具有磁芯(120),用于经由感应式耦接发出或接收电能;以及无线的通信装置(130),其中,所述磁芯(120)具有凹部(140),该凹部形成用于所述通信装置(130)的信号的通信通道。
Description
技术领域
本发明涉及交通工具技术领域。尤其地,本发明涉及用于对交通工具中的电能存储器进行无接触感应式充电的装置。
背景技术
用于传递电能的无接触能量传递系统可以原则上被用于对交通工具中的能量存储器进行感应式充电。在此,由第一模块(,英文:Ground Pad Module(地面垫模块),GPM)中的第一线圈(初级线圈)产生磁场,该磁场在相邻的第二模块(,英文:Car Pad Module(车辆垫模块),CPM)的第二线圈(次级线圈)中感应出电流,该电流可以被用于对电能存储器进行充电。第二模块在此被布置在交通工具中。
在感应式能量传递的情况下力求在两个线圈之间具有小杂散场的尽可能良好的磁性耦接,以便可以尽可能有效地传递能量。为了减少杂散场,两个线圈必须尽可能准确地上下叠置定位。因为第一模块GPM典型地被地点固定地布置在地面上,因此适用的是,交通工具被控制/转向为,使得针对感应式能量传递将次级线圈优化地布置在初级线圈之上。
为了将交通工具的第二模块定位在第一模块之上和/或为了实施感应式能量传递,在第一模块和第二模块之间交换信息/数据。为此,在两个模块中存在相应的通信装置,这些通信装置典型地能够在第一和第二模块之间实现双向通信连接。但是在此情况下得出技术上的困难,因为通信连接由于在初级线圈和次级线圈之间的感应式能量传递中出现的电磁场而可能被干扰。
发明内容
本发明的任务是提供一种用于利用线圈进行能量传递的模块,该模块能够实现与布置在模块中的通信装置的改善的通信。
本发明从独立权利要求的特征中获得。有利的改进方案和设计方案是从属权利要求的主题。本发明的其他特征、应用可能性和优点从下面的描述以及对本发明的在附图中示出的实施例的阐述中得出。
本发明的第一方面涉及一种用于无接触感应式能量传递的模块,尤其是能量传递到交通工具上用以对交通工具侧能量存储器进行充电。该模块根据本发明包括电性线圈,用于经由感应式耦接发出和/或接收电能。线圈具有磁芯。该模块此外包括无线通信装置。根据本发明,磁芯具有凹部,该凹部形成用于通信装置的通信通道。
通信装置优选是用于接收和用于发出信号的发送和接收单元。有利地,用于发送和接收信号的通信装置的至少一个天线这样地布置在磁芯的凹部的区域内,使得从天线或至天线的信号基本上仅通过通信通道运行。用于操控天线或者说用于评估由天线接收的信号的电子装置可以布置在凹部的区域内,但不是必须的。有利地,通信装置为了通信而使用WLAN协议。当然,另外的已知数据传输协议的使用被本发明构思所包括。
通信装置有利地被用于与另一模块通信,用以感应式能量传递,和/或用于与另一单元、尤其是交通工具通信。
磁芯尤其是由铁氧体材料制成。电性线圈有利地被构造为扁平线圈。
磁芯中的留空部当前被理解为材料剥离部,该材料剥离部通过周围环境空气或另外的非导磁材料被代替。在留空部中因此存在与磁芯材料中不同的磁导率。留空部可以以凹陷的形式来设计。凹陷在此情况下可以表示一闭合通道,通信可以通过该闭合通道发生。例如,闭合通道也可以通过贯通通道来提供,该贯通通道在一个或两个端部上被闭合,例如通过遮盖部,该遮盖部具有磁性材料或非磁性材料。
在一有利改进方案中,凹部被构造为穿过磁芯的贯通通道。贯通通道的通道轴线有利地平行于线圈的线圈轴线延展。有利地,贯通通道形成矩形或方形的或圆形或椭圆形的横截面。此外可以有利地设置,贯通通道具有恒定横截面。这点在制作模块时具有优点并在将高频通信信号导引穿过通道时具有优点。以这种方式例如可以避免通信连接的电磁波的反射。
有利地,凹部或者说贯通通道参照线圈的磁芯被居中地布置。这意味着,凹部在横截面视图中被布置在能量线圈的中部并由该能量线圈完全围住。有利地,这种对称布置方案有利地参照电磁场,该电磁场在磁芯的内部以电磁场线的形式被导引。由电磁场线在很大程度上避免了留空部,使得在那里存在由能量传递所引起的较小的场强。居中的留空部具有如下优点,即,磁芯在其内部具有不规则性,但是其在能量传递时不继续干扰。
此外,有利地可以在一实施例中设置成,天线具有屏蔽部。
贯通通道的横截面面积有利地为1cm2至大致500cm2、但尤其是1-100cm2、1-50cm2、5-25cm2、5-15cm2、50-10cm2。
一有利改进方案的特征在于,所述模块具有屏蔽部,所述屏蔽部针对所述信号的出来/进入具有信号可通过的区域/开口。
一有利改进方案的特征在于,通信装置具有用于发出/用于接收信号的一个或多个天线,其中,一个/多个天线被安装在留空部/贯通通道的区域中。尤其地,一个/多个天线被安装在贯通通道内部。特别有利地,一个/多个天线参照留空部/贯通通道被居中地安装。
有利地,留空部/贯通通道被尺寸设定为,天线基本上实现了360°的水平辐射角度。尤其地,留空部/贯通通道的直径大于天线直径,尤其地该直径为天线直径的1.5至5倍。
此外有利地,天线的反极被构造为屏蔽部。屏蔽部例如被构造为铜层,并尤其是用于在将能量感应式传递到模块线圈中或从模块线圈感应式传递能量时屏蔽强磁场。因此尤其可行的是,控制电子装置被布置在铜层的与天线相对置的侧上。换句话说,朝信号入射方向看,顺序如下:天线、屏蔽部例如铜层、和电子装置。
所提出的模块有利地被集成到壳体中。壳体例如可以是铝壳体,其具有一个或多个开口,例如以狭缝形式。这些开口可以以简单的方式作为用于HF信号(HF=高频)的天线被使用。
由于线圈的电磁耦接在运行中产生高场强,因此可以巨大地干扰到与通信装置的通信。本发明由此提出一种可能性,即,通信连接被设计为,通过有目的地几何尺寸上设计能量线圈的磁芯和通信装置的、尤其是通信装置的天线的相应布置方案可以在磁芯区域中仍然能够发生无干扰的通信或者说高传递品质的通信。
此外,利用本发明提出了例如形式为WLAN发送-接收装置的通信装置在能量传递模块的线圈的磁芯区域中的有利定位。所提出的模块能够实现在到模块线圈上或从该模块线圈的能量传递期间可识别的经改善的通信,尤其是在两个这种模块之间。
本发明的另一方面涉及一种用于感应式能量传递到交通工具上用以对交通工具侧能量存储器进行充电的系统,其具有:尤其是固定不动地布置在地面上的、具有初级线圈的第一模块GPM;以及布置在所述交通工具中的、具有次级线圈的第二模块CPM,其中,所述第一模块GPM和/或所述第二模块CPM是如前所述的模块。
交通工具例如是陆上交通工具、如轿车、载重车或类似的陆上交通工具,或空中交通工具、例如飞机、直升机或类似的空中交通工具。
有利地,不仅第一模块GPM,而且第二模块CPM如前所述地实施。第一模块GPM和第二模块CPM或者说交通工具之间的通信在此尤其用于转换交通工具的优化定位,即,使第二模块CPM优化地置于第一模块GPM之上,并由此实现了初级线圈(GPM)和次级线圈(CPM)之间的优化的感应式耦接。此外,第一模块GPM和第二模块CPM之间的通信被用于,优化地控制从第一模块GPM至交通工具侧第二模块CPM的能量传递的进程。尤其为此,本发明能够实现两个模块之间的更可靠的通信。
本发明的最后一方面涉及一种交通工具,其具有如前所述的模块。该模块相应于第二模块CPM并尤其用于感应式接收从第一模块GPM传递到交通工具上的能量,尤其是用于对交通工具侧能量存储器进行充电。
附图说明
其它的优点、特征和细节由以下的说明中得出,在其中-必要时参考附图-详细地描述至少一个实施例。相同的、类似的和/或功能相同的部件设有相同的附图标记。
其中:
图1在横截面视图中示出了根据本发明的模块的示意性示出的实施例;
图2在俯视图中示出了图1的实施例。
具体实施方式
图1在横截面视图中示出了用于无接触感应式能量传递的根据本发明的模块100的示意性示出的实施例。模块100具有扁平线圈110,经由该扁平线圈,电能可以经由感应式耦接被传递到另外的模块100(未示出)上。在扁平线圈110内部布置有铁磁性芯120,其用于磁场引导。铁磁性芯120居中/中央地具有凹部140,该凹部当前被构造为贯通通道150。又居中/中央地在贯通通道150的区域中当前布置通信装置130的天线160。通信装置130具有发送/接收电子装置,其操控天线160用以发出信号并评估由天线160接收的信号。与天线160连接的发送/接收电子装置当前通过布置在天线160下方的铜层190被屏蔽,该铜层尤其是用于在能量传递时屏蔽主磁场。在模块100的该区域中,布置有另外的电子部件(未示出)。该模块具有壳体180,其被布置在天线160上方的区域中,使得信号能够近乎不受阻地通过。
通过线圈110的磁芯120中的实施为贯通通道150的凹部140产生针对通信装置的信号的通信通道,通过该通信通道,基本上所有由通信装置发出或者说接收的信号被贯穿引导。所示的模块100能够在线圈中或者说从线圈的感应式能量传递期间也实现安全稳固的通信。
图2在俯视图中示出了图1的实施例。能良好识别的是扁平线圈110的近乎矩形的引导部,布置在扁平线圈内部、由铁氧体材料制成的磁芯120和中央地布置在磁芯120内部的凹部140,其形成穿过磁芯的贯通通道150。又中央地在贯通通道150的区域中布置通信装置130的天线160。
这里提出的模块尤其是适用于使用在用于感应式能量传递到交通工具上用以对交通工具侧能量存储器进行充电的系统中。这类系统尤其具有:固定不动地布置在地面上的、具有初级线圈的第一模块GPM;以及布置在交通工具中的、具有次级线圈的第二模块CPM。有利地,不仅第一模块GPM,而且第二模块CPM被实施为根据本发明的模块100。
由此能够实现第一模块GPM和第二模块CPM之间的改善的、更可靠的且更稳固的通信。在此,通信在第一阶段中用于交通工具或者说第二模块CPM在第一模块GPM上的优化定位。在交通工具优化定位之后,通信用于优化控制从第一模块GPM至第二模块CPM的感应式能量传递。
尽管已经在细节上通过优选的实施例对本发明进行了更详细的图解和说明,但是本发明不受公开示例的限制,并且本领域技术人员可以从中导出其他变化,而不脱离本发明的保护范围。因此很明显,存在许多变化可能性。同样清楚的是,示例性提到的实施方式实际上仅表示示例,这些示例不应以任何方式解释为例如对本发明的保护范围、应用可能性或配置的限制。确切地说,前面的描述和附图描述使本领域技术人员能够具体地转换这些示例性实施方式,其中,本领域技术人员在了解所公开的发明构思的情况下可以做出各种改变,例如关于示例性实施方式中提到的各个元件的功能或布置,而不离开权利要求及其合法等同物、例如说明书中的进一步说明所限定的保护范围。
附图标记列表
100 用于无接触感应式能量传递的模块
110 线圈
120 磁芯
130 通信装置
140 凹部
150 穿通通道
160 天线
170 控制/评估电子装置
180 壳体
190 用于屏蔽的铜层
Claims (10)
1.一种用于无接触感应式能量传递的模块(100),其具有:
-线圈(110),所述线圈(110)具有磁芯(120),用于经由感应式耦接发出或接收电能;和
-无线的通信装置(130),
其特征在于,
所述磁芯(120)具有凹部(140),所述凹部(140)是用于所述通信装置(130)的信号的通信通道。
2.根据权利要求1所述的模块(100),其特征在于,所述磁芯(120)由铁磁性材料制成。
3.根据权利要求1或2所述的模块(100),其特征在于,所述凹部(140)被构造为贯通通道(150)。
4.根据权利要求3所述的模块(100),其特征在于,所述贯通通道(150)具有矩形或圆形或椭圆形的横截面。
5.根据权利要求1至4中至少一项所述的模块(100),其特征在于,所述凹部(140)相对于所述线圈(110)的磁芯(120)居中地布置。
6.根据权利要求1至5中至少一项所述的模块(100),其特征在于,所述模块(100)具有屏蔽部,所述屏蔽部针对所述信号的出来/进入具有信号可通过的区域。
7.根据权利要求1至6中至少一项所述的模块(100),其特征在于,所述通信装置(130)是用于发出/用于接收所述信号的天线,所述天线被安装在所述凹部(140)的区域中。
8.根据权利要求7所述的模块(100),其特征在于,所述天线(160)的反极被构造为屏蔽部。
9.一种用于感应式能量传递到交通工具上用以对交通工具侧能量存储器进行充电的系统,其具有:尤其是固定不动地布置在地面上的、具有初级线圈的第一模块GPM;和布置在所述交通工具中的、具有次级线圈的第二模块CPM,其中,所述第一模块GPM和/或所述第二模块是根据权利要求1至8中至少一项所述的模块(100)。
10.一种具有根据权利要求1至8中至少一项所述的模块(100)的交通工具。
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US12009672B2 (en) | 2024-06-11 |
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