CN103596800A - 具有电能存储器的机动车 - Google Patents
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Abstract
本发明涉及一种具有电能存储器(14)的机动车(10),该电能存储器与线圈相耦合,在充电过程中能从机动车外部向线圈中感应电能,该机动车包括壳体(20),线圈(22)布置在该壳体中。壳体朝向机动车的底侧包括塑料,并且特别在壳体的两壁(26、28)之间布置有光波导(30)。如果光由光源(36)射入光波导中并由检测器(38)检测到,就能检测到壳体的损坏并在必要时停止在充电站(16)处向线圈(22)中感应电能,从而避免人员发生危险。
Description
技术领域
本发明涉及一种具有——例如为电动车辆或混合动力车辆的电机供电的——电能存储器的机动车。
背景技术
电动车辆领域的专业人员特别也致力于研究电能存储器的充电方式。除了由充电线缆输送电能的传统方法外,也考虑感应地输送电能,即特别是通过磁场输送电能。感应式地从外部将电能耦合入机动车内有以下优点:由于放弃了充电线缆,从而可以省去与充电线缆相关的安全措施,特别是如何开始和结束充电过程的复杂控制以避免人接触高压电或者其他(危险情况)。
此前设想:需要向其中感应电能的机动车在其底侧具有接收线圈,在地面埋入发送线圈,从而机动车可容易地驶入地面上对应的位置,进而可将能量从发送线圈输送至接收线圈。
此前问题在于,机动车的底侧对损坏特别敏感。不考虑用于保护线圈的厚金属壁,这是因为这种金属壁会屏蔽掉用来输入电能的磁场。如果转而在机动车的底侧使用非金属材料,则对磁场的干扰会减小,但例如可在充电过程中危害到人。
DE4445999A1和DE10031406A1致力于研究对机动车事故(碰撞)的识别。提出:在机动车车身部件上预期会发生变形的区域布置光波导。光源将光射入到该光波导的一端,在光波导的另一端由光电转换器接收所射出的光并发出表示所接收到的光的强度大小的电测量值。如果所涉及的车身部件区域发生碰撞,则该光电转换器无法继续接收到由光源所发送出的光,从而识别到碰撞。在这种情况下,会例如触发安全气囊或实施其他安全措施。
发明内容
本发明的目的在于,提供一种具有电能存储器的机动车,该机动车应能够在不损害机动车安全的情况下特别容易地被从外部充电。
该目的通过具有根据权利要求1所述特征的机动车来实现。
在根据本发明的具有电能存储器的机动车中,该电能存储器与线圈相耦合,在充电过程中能从机动车外部向线圈中感应电能。该线圈自身又布置在壳体中,该壳体朝向机动车的底侧包括塑料材料。在塑料材料中或塑料材料上布置有至少一个光波导,能由光源向光波导中射入光,该光能由检测器接收到。此外,该机动车具有控制装置,该控制装置设计用于在机动车侧引起充电过程的实施,例如当存储器应该充电时操作相应的开关。该存储装置此外设计用于,当该检测器没有以预期的方式接收到光时——也就是说在完全接收不到光或者比预期或正常运行接收到的光量更少时——阻止充电过程。
本发明基于以下认知:和在机动车碰撞时可能发生变形的构件相关的现有技术已知理论——将光波导用于损伤检测——也可用在其他那些在受损时不必触发安全气囊但仍期望检测出损伤的构件中。应用该想法并结合用于可感应式输入电能的线圈的壳体,指明了一种在不丧失安全性的情况下无线地为电能存储器充电的方法,这是因为壳体的损伤至少会在其底侧被检测到并且此后使充电过程被阻止。特别是在充电过程中壳体损伤可能会带来危险。
在一个优选的实施方式中,在壳体的两个塑料壁/壁板之间布置有至少一个光波导。在此涉及一种“三明治结构类型”。该结构类型的优点在于:当两个塑料壁都受损时,该光波导一定会被破坏,并且只有在两个塑料壁都受损时才存在危险。
至少一个光波导优选设计为光导纤维,特别优选为玻璃纤维。因此能价廉地提供该光波导。
至少一个光波导在一个优选的实施方式中越过/超出该壳体的(基本整个的)底侧构成(特别为网眼细密的)网。在这种网的应用中,特别当网眼刚好足够细密的时候,可在更大程度上保证:当壳体底部受损时实际实现了对该损伤的检测。
在本发明的一个优选的实施方式中,该壳体仅在其底侧和侧壁上由塑料材料制成,而在朝向机动车顶侧的一侧由盖子封闭,该盖子包括金属和/或用于实施充电过程的电子元件。如果该盖子由金属制成,那么可防止超出线圈而在机动车的其他构件中也输入电能,即,该金属盖子将磁场屏蔽。该盖子可被同时作为用于电子元件——特别是在实施充电过程时所使用的电子元件——的载体来使用,以便节省空间。
附图说明
下面根据附图对本发明的优选实施方式作详细说明,其中:
图1:示出了一种根据本发明的机动车,
图2:示出了如在根据本发明的机动车中所应用的、当前打开的并显示为透明壳体的俯视图,
图3:示出了该壳体对应于图2中线III-III的剖视图,不含图1中所示的线圈,
图4:与图3所示的剖视图中附图标记IV所对应的放大视图,和
图5:与图2中线V-V对应的壳体底部的剖视图,只当其受损时才显示为这样。
具体实施方式
整体用10表示的机动车包括一由电池14供电的电机12。当前,要在充电站16处为该电池充电。该充电过程以感应的方式进行。出于该目的,该充电站包括铺设在地面中的发射线圈18。该机动车10包括一整体用20表示的壳体,该壳体中集成有通过连接线缆24与电池14相耦合的接收线圈22。
该接收线圈22布置在壳体20中。该壳体包括由两个塑料壁26、28组成的底部件24(见图4),在两个塑料壁之间设置有光波导30。如图2可见,该光波导30被这样缠绕,以使得弯曲半径不会太小并且光波导能被破坏。缠绕的光波导30构成一网眼细密的网,该网几乎可覆盖壳体20的整体底部区域而且伸到侧壁32中。
由光源36向光波导30中射入光,并在光波导的另一端由光电传感元件38接收该光。从而该接收器检测到,光波导30是否被破坏。该信号从光电传感元件38传输至控制装置40,该控制装置可通过无线电发送器42向充电站16中的接收器46发送信号44。
只要作为接收器的传感元件38接收到光源36的光,则表明具有壁26和28的壳体20的底部未受损。
如图5所示,在机动车10行驶时由于力(力F)的作用而造成损坏的情况下,光波导30断裂,而光电传感元件38不再接收到光强。
Claims (6)
1.一种具有电能存储器(14)的机动车(10),所述电能存储器与线圈(22)相耦合,在充电过程中能从机动车外部向线圈中感应电能,线圈(22)布置在壳体(20)中,壳体朝向机动车(10)的底侧包括塑料材料,在塑料材料中或塑料材料上布置有至少一个光波导(30),能由光源(36)向光波导中射入光,该光能由检测器(38)接收到,所述机动车(10)包括控制装置(40),所述控制装置设计用于在机动车侧引起充电过程的实施并且还设计用于当检测器(38)没有以预期的方式接收到光时禁止充电过程的实施。
2.根据权利要求1所述的机动车,其特征在于,在所述壳体(20)的两个塑料壁(26、28)之间布置有至少一个光波导(30)。
3.根据权利要求1或2所述的机动车(10),其特征在于,所述光波导(30)具有玻璃纤维。
4.根据前述权利要求中任一项所述的机动车(10),其特征在于,至少一个光波导(30)越过壳体的底侧构成网。
5.根据前述权利要求中任一项所述的机动车(10),其特征在于,所述壳体(20)朝向机动车(10)的顶侧由盖子(34)封闭,该盖子包括金属和/或——优选在实施充电过程时使用的——电子元件。
6.一种壳体(20),具有两个由塑料制成的壁(26、28),在这两个壁之间布置有光波导(30),其特征在于,在所述壳体(20)中容纳有线圈(22)。
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DE102011103439A DE102011103439B3 (de) | 2011-06-07 | 2011-06-07 | Kraftfahrzeug mit einem Speicher für elektrische Energie, der induktiv über eine Spule geladen wird, dessen Gehäuse eine Vorrichtung zur Erkennung von Beschädigungen umfasst |
DE102011103439.4 | 2011-06-07 | ||
PCT/EP2012/000423 WO2012167851A2 (de) | 2011-06-07 | 2012-02-01 | Kraftfahrzeug mit einem speicher für elektrische energie |
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CN103596800A true CN103596800A (zh) | 2014-02-19 |
CN103596800B CN103596800B (zh) | 2016-05-18 |
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DE102011103439B3 (de) * | 2011-06-07 | 2012-08-30 | Audi Ag | Kraftfahrzeug mit einem Speicher für elektrische Energie, der induktiv über eine Spule geladen wird, dessen Gehäuse eine Vorrichtung zur Erkennung von Beschädigungen umfasst |
GB2506909A (en) * | 2012-10-12 | 2014-04-16 | Bombardier Transp Gmbh | Detecting an object having an elevated temperature in an inductive power transfer area |
DE102013001094A1 (de) | 2013-01-23 | 2014-07-24 | Audi Ag | Kraftfahrzeug mit elektrischem Energiespeicher und Ladekabel sowie Verfahren zum Betrieb eines Kraftfahrzeugs |
DE102013215034B4 (de) * | 2013-07-31 | 2022-03-24 | Siemens Aktiengesellschaft | Ladevorrichtung und Verfahren zum induktiven Laden insbesondere von Elektrofahrzeugen |
DE102015011710B4 (de) | 2015-09-08 | 2022-03-03 | Audi Ag | Verfahren zur Unterstützung eines Fahrers bei der Positionierung eines Kraftfahrzeugs |
US10131237B2 (en) * | 2016-06-22 | 2018-11-20 | Ford Global Technologies, Llc | Illuminated vehicle charging system |
JP6310963B2 (ja) * | 2016-06-27 | 2018-04-11 | 本田技研工業株式会社 | 受電装置、輸送機器及び検知方法 |
CN110077247A (zh) * | 2019-06-06 | 2019-08-02 | 北京有感科技有限责任公司 | 基于光纤传感网络的无线充电异物检测系统及检测方法 |
EP4023483A4 (en) * | 2019-08-26 | 2023-09-06 | IHI Corporation | COIL DEVICE, POWER SUPPLY DEVICE AND DETECTION DEVICE |
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- 2012-02-01 US US14/124,481 patent/US9517699B2/en active Active
- 2012-02-01 WO PCT/EP2012/000423 patent/WO2012167851A2/de active Application Filing
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CN103596800B (zh) | 2016-05-18 |
WO2012167851A2 (de) | 2012-12-13 |
US9517699B2 (en) | 2016-12-13 |
DE102011103439B3 (de) | 2012-08-30 |
WO2012167851A3 (de) | 2013-01-31 |
US20140097794A1 (en) | 2014-04-10 |
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