CN103370813A - 机动车辆电能存储器 - Google Patents

机动车辆电能存储器 Download PDF

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CN103370813A
CN103370813A CN2012800085672A CN201280008567A CN103370813A CN 103370813 A CN103370813 A CN 103370813A CN 2012800085672 A CN2012800085672 A CN 2012800085672A CN 201280008567 A CN201280008567 A CN 201280008567A CN 103370813 A CN103370813 A CN 103370813A
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C·奥斯
K·罗沃尔德
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Dr Ing HCF Porsche AG
Volkswagen AG
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Abstract

本发明涉及一种机动车辆电能存储器,该电能存储器具有多个电联接的存储器单元(11),其中每个存储器单元(11)具有电连接极(13,14),这些电连接极(13,14)与相邻存储器单元的电连接极(13,14)电联接,其中,这些存储器单元(11)的至少那些与相邻存储器单元(11)的连接极(13,14)电联接的电连接极(13,14)形成为夹钳状,并且其中,为了形成与相邻存储器单元(11)的电联接,将形成为导轨状或片状的导电联接件(15)插入该夹钳状的连接极(13,14)中。

Description

机动车辆电能存储器
技术领域
本发明涉及一种根据权利要求1的前序部分的机动车辆电能存储器,以及一种根据权利要求11的前序部分的、这种电能存储器的存储器单元。本发明进一步涉及一种根据权利要求12的前序部分的机动车辆电能存储器,以及一种根据权利要求16的前序部分的这种电能连存储器的联接件。 
背景技术
一种具有权利要求1的前序部分的特征的机动车辆用电能存储器在US 7,604,896 B2中是公知的。该文中公开的电能存储器包括多个电联接的存储器单元,其中每个存储器单元都具有电连接极,即一个正连接极和一个负连接极。为构成多个存储器单元的串联,将相邻的存储器单元的电连接极进行电联接。 
现有技术中所公知的机动车辆电能存储器都具有的缺点为,这些能量存储器的存储器单元的电联接是昂贵或麻烦的。因此需要一种以存储器单元的简单电联接为特征的机动车辆电能存储器。 
发明内容
在此基础上,本发明的目的是提供一种新型的机动车辆电能存储器。 
这个目的是通过一种根据权利要求1所述的电能存储器和一种根据权利要求11所述的存储器单元实现的。 
据此,至少通过电连接极与相邻电能存储器的存储器单元电联接的那些存储器单元的那些连接极形成为夹钳状结构。为实现与相邻存储器单元的电联接,在这些形成为夹钳状的连接极中插入导轨状或片状结构的导电联接件。 
通过仅仅将联接件插入形成为夹钳状的连接极中,就能够如此将多个存储器单元电联接。通过仅仅将联接件从该形成为夹钳状的连接极移除,就能够解除这些存储器单元的电联接。因此,对于电联接,不需要螺纹连接或其类似物。所有的存储器单元都能够以最小花销被连接或分离。 
根据本发明的一个优选的改进方案,至少那些通过电连接极与相邻存储器单元电联接的存储器单元的电连接极,分别构成为由相应地多个弹簧弹性的金属夹钳制成的薄片组。 
只有当这些夹钳状的电连接极构成为由相应地多个弹簧弹性的金属夹钳制成的薄片组,才能确保存储器单元始终可靠的电联接,即使当存储器单元或连接极因温度循环而发生机械膨胀或机械收缩。因此,这些薄片组确保与联接区段的始终可靠的电接触,并从而确保存储器单元之间的电联接。不要求单个的存储器单元之间的公差补偿。插入这些薄片组的联接件不具有与这些薄片组的固定连接点,因此能够在相对运动的情况下维持电接触。 
优选地,导轨状或片状结构的导电的联接件构成为由相应地多个导电导轨或导电片制成的薄片组。 
于是,当插入到构成为薄片组的连接极的电联接件也实施为薄片组时,能够进一步改善联接件和存储器单元的连接极之间的电联接。 
根据本发明的一个优选的改进方案,该导轨状或片状结构的导电的联接件具有一个由冷却剂流通的冷却通道。于是,当该导电的联接件具有由冷却剂流通的冷却通道时,能够以尤其有效的方式避免电能存储器的过热。 
在本发明的第二个方面中,这个目的是通过一种根据权利要求12所述的电能存储器和一种根据权利要求16所述的联接件实现的。 
据此,该存储器单元的至少那些与相邻的存储器单元的电连接极电联接的电连接极通过形成为导轨状或片状的导电的联接件进行联接,其中,该联接件具有形成为夹钳状的联接区段,该联接件通过这些联接区段插到该连接极上。 
根据本发明的第二个方面,相应地对比本发明的第一个方面,存储器单元和联接件之间的接触原理是相反的,因此在这种情况下,该联接件具有形成为夹钳状的联接区段,用于将这些联接区段插到该存储器单元的连接极上。 
附图说明
本发明的优选的改进方案体现在各从属权利要求以及下面的说明中。本发明的实施例将借助附图进行详细说明,但这些实施例并不局限于此。在此示出了: 
图1为第一个本发明机动车辆电能存储器的示意性俯视图,该能量存储器具有一个由相应地多个电串联连接的存储器单元构成的存储器单元组; 
图2为第二个本发明机动车辆电能存储器的示意性俯视图,该能量存储器具有两个由相应地多个电串联的存储器单元构成的、电并联的存储器单元组; 
图3为图1和图2的能量存储器在通过一个联接件电联接的两个存储器单元的两个连接极的区域中的一个细节图;以及 
图4为一个连接极的一个细节图。 
具体实施方案
本发明涉及一种机动车辆电能存储器,例如混合动力车辆或电动车辆的起动器电池或牵引电池。 
图1中示出了第一个电能存储器10的实施例,该电能存储器10包括多个存储器单元11。在图1的实施例中,该能量存储器10一共包括数目N=十二个方形的存储器单元11。在图1的实施例中,所有十二个存储器单元11在几何上并排或依次排列,并构成一个唯一的存储器单元组12以电串联的方式电联接。也能够采用圆形的存储器单元或薄膜存储器单元替代方形存储器单元。每个存储器单元11在其一个侧面或表面上具有电连接极13,14,即一个正连接极13和一个负连接极 14。 
为构成图1所示的串联,这些N=十二的存储器单元11在数目N-2=10的存储器单元11中,即在中间的10个并排或依次设置的存储器单元11中,分别地,一个存储器单元11的一个正连接极13与一个第一相邻存储器单元11的一个负连接极14、并且相应的存储器单元11的一个负连接极14与一个第二相邻的存储器单元11的一个正连接极13电联接。 
在剩下的数目为二的存储器单元11中,即在两个外面的存储器单元11中,分别有一个连接极(即在左边存储器单元11中为正连接极13并且在右边存储器单元11中为负连接极14)与相应的相邻存储器单元11的一个极性相反的连接极联接,而该存储器单元组12的相应的外面的存储器单元11的相应地另一个连接极(即左边存储器单元11的负连接极14和右边存储器单元11的正连接极13)分别与该存储器单元组12的主连接极20,21联接,从而构成该能量存储器10。该存储器单元组12的主连接极20为一个正主连接极,以及该存储器单元组12的主连接极21为一个负主连接极。 
这些存储器单元11的至少那些与相邻存储器单元11的电连接极14,13电联接的电联接极13,14形成为夹钳状,其中为了实现相邻存储器单元11的相应连接极的电联接,导轨状或片状结构的导电联接件15结合到形成为夹钳状的连接极13,14中。 
正如在图3和图4中能够最好看出的,那些形成为夹钳状的电连 接极13和14优选地构成为由相应地多个弹簧弹性的金属夹钳16制成的薄片组。根据图3和图4,在所示的实施例中,每个薄片组包括四个弹簧弹性的金属夹钳16,这些金属夹钳通过构成相应的、构成为薄片组的连接极13或14而并排或依次设置。每个薄片组中夹钳的数目可不同。 
该薄片组的夹钳16在此形成具有多个脚的U型结构,即具有彼此相对设置的弹簧弹性的接触脚17用于一个插入于相应薄片组的导轨状或片状的联接件15的电连接,并且具有一个连接该弹簧弹性的接触脚17的连接脚18,相应的薄片组的夹钳16通过该连接脚固定连接于相应的存储器单元11。 
根据图4,所有夹钳16的所有接触脚17通过一个共同的连接脚18联接,并固定连接于相应的存储器单元11上。与此不同地,对于这些接触脚17也能够存在独立的连接脚18。 
在一个薄片组内,该夹钳16的弹簧弹性的接触脚17能够彼此独立地弹性变形。该薄片组以及因此这些连接极13和14能够补偿该存储器单元11的机械和/或热膨胀,并确保插入该薄片组或连接极13,14中的联接件15始终可靠的接触。插入该薄片组或连接极13,14的联接件15不具有与该薄片组或连接极13,14的固定连接点。 
插入一个薄片组或一个连接极13,14的联接件15的电接触是通过斜坡状的突起19实现的,这些突起19形成于这些接触脚17上。 
根据本发明的一个优选的改进方案,薄片组的这些形成为导轨或片状的导电的联接件15也能够由相应地多个导电导轨或导电片构成。 
在这种情况下,也能够通过联接件15补偿该存储器单元11在该电能存储器10内的膨胀。 
如所述,该电能存储器10的单个存储器单元11仅通过将该联接件15插入连接极13,14实现电接触。在这些连接极13,14与该导轨状的联接件15之间不存在固定的连接点,因此不要求该存储器单元11与该电能存储器10之间的公差补偿。 
图2示出了具有数目为2×N=八的存储器单元11的一个电能存储器10,其中数目N=4的存储器单元11相应地通过构成存储器单元组12a和12b电串联,且其中该电能存储器10的这两个存储器单元组12a和12b连接成电并联。 
在每个存储器单元组12a和12b内,相邻存储器单元11的连接极13,14通过将联接件15插入到构成为薄片组的连接极13和14中而实现电联接,其中每个存储器单元组12a和12b,对于数目为N-2的存储器单元,即对于相应的存储器单元组12a和12b的中间存储器单元11,一个存储器单元11的一个正连接极13与一个第一相邻存储器单元11的负连接极14联接、且相应的存储器单元11的一个负连接极14与相应的存储器单元组12a,12b的一个第二相邻的存储器单元11的一个相邻的正连接极13联接,即分别通过一个联接件15。至少这些连接极13,14形成为夹钳状,优选地构成为由相应地多个弹簧弹性的金属夹 钳16制成的薄片组。 
每个存储器单元组12a和12b的两个外面的存储器单元11以其他方式电联接,即其形式为,在该存储器单元组12a和12b的这些存储器单元11的第一个中,即图2中分别在上面的存储器单元11中,相应的存储器单元11的负连接极14与相应的存储器单元组12a或12b的一个相邻存储器单元11的一个正连接极13通过一个插入的联接件15联接,而这两个存储器单元组12a和12b的这些存储器单元11的正连接极13彼此联接,即通过构成该电能存储器10的正主连接极20。 
在每个存储器单元组12a和12b的另两个外面的存储器单元11上,即图2中在两个存储器单元组12a和12b的两个下面的存储器单元11上,相应地一个正连接极13与在相应的存储器单元组12a或12b内的一个相邻的存储器单元11的一个负连接极14电联接,而这两个存储器单元组12a和12b的这些外面的存储器单元11的负连接极14彼此电联接,即通过构成该电能存储器10的负主连接极21。 
在图2中,这些存储器单元组12a,12b的所有存储器单元11的全部连接极13,14实施为夹钳状,即构成为由相应地多个弹簧弹性的金属夹钳16制成的薄片组。 
就这点而言,在图2的实施例中,全部存储器单元11的接触以在这两个存储器单元组12a和12b内的串联形式、并且以这两个存储器单元组12a和12b之间的、通过插入连接极13,14的导轨状联接件15的并联形式来实现。 
与此相反,在图1的实施例中,构成图1的电能存储器10的正主连接极和负主连接极的外面的存储器单元11的连接极没有以薄片组形式实施为夹钳状连接极,而是在这个连接极区域中实现一个用于该电能存储器10的电接触的螺纹连接。然而与此不同地也可以将这些连接极通过薄片组实施为夹钳状。 
根据一个优选的改进方案能够提出,该导轨状或片状的导电联接件15具有由冷却剂流通的冷却通道,以通过联接件15导出在存储器单元11的区域内生成的热。因此,该联接件15不仅承担存储器单元11的电联接的功能,而是也承担冷却该存储器单元的功能。 
在该存储器单元和该联接件之间的接触原理相反的情况下,在一个未示出的本发明变体中也可能的是,该联接件具有形成为夹钳状的联接区段,用于将其插到优选常规式形成的存储器单元的连接极上。 
在该变体中,这些存储器单元的至少那些与相邻的存储器单元的电连接极电联接的电连接极通过形成为导轨状或片状的导电联接件进行联接,其中该联接件具有形成为夹钳状的联接区段,这些联接件通过这些联接区段插到连接极上。 
在这种情况下,至少该联接件的联接区段构成为由相应地多个弹簧弹性的金属夹钳制成的薄片组,其中该薄片组的夹钳形成为具有多个脚的U型,即具有彼此相对设置的弹簧弹性的接触脚用于一个存储器单元的连接极的电接触的,以及一个连接这些接触脚的连接脚,该 薄片组的夹钳通过该接触脚连接于该联接件,其中在每个薄片组内,这些接触脚能够彼此独立地弹性变形。 
优选地,在这种情况下,该联接件完全构成为由相应地多个导电导轨或导电片制成的薄片组。 
关于该未示出的本发明变体的所有其他细节,为了避免重复,参照图1至4的说明。 
参考标记清单 
10  电能存储器 
11  存储器单元 
12  存储器单元组 
12a 存储器单元组 
12b 存储器单元组 
13  连接极/正连接极 
14  连接极/负连接极 
15  联接件 
16  夹钳 
17  接触脚 
18  连接脚 
19  突起 
20  主连接极/正主连接极 
21  主连接极/负主连接极 。

Claims (16)

1.一种机动车辆电能存储器,该电能存储器具有多个电联接的存储器单元(11),其中每个存储器单元(11)具有电连接极(13,14),这些电连接极与相邻存储器单元的电连接极(13,14)电联接;其特征在于,这些存储器单元(11)的至少那些与相邻存储器单元(11)的电连接极(13,14)电联接的电连接极(13,14)形成为夹钳状,并且为了实现与相邻存储器单元(11)的电联接,将导轨状或片状的导电联接件(15)插入这些形成为夹钳状的连接极(13,14)中。
2.根据权利要求1所述的能量存储器,其特征在于,这些存储器单元(11)的至少那些与相邻存储器单元(11)的电连接极(13,14)电联接的电连接极(13,14),分别构成为由相应地多个弹簧弹性的金属夹钳(16)制成的薄片组。
3.根据权利要求2所述的能量存储器,其特征在于,该薄片组的这些夹钳(16)形成为具有多个脚(17,18)的U型,即具有彼此相对设置的弹簧弹性的接触脚(17)用于一个插入到相应的薄片组中的形成为导轨状或片状的联接件(15)的电接触,并且具有一个与这些弹簧弹性的接触脚(17)连接的连接脚(18),相应的薄片组的夹钳(16)通过该连接脚连接于相应的存储器单元(11)。
4.根据权利要求3所述的能量存储器,其特征在于,在每个薄片组内,这些夹钳(16)的弹簧弹性的接触脚(17)能够彼此独立地弹簧弹性地变形。
5.根据权利要求1至4所述的能量存储器,其特征在于,该联接件(15)构成为由相应地多个导电导轨或导电片制成的薄片组。
6.根据权利要求1至5所述的能量存储器,其特征在于,该形成为导轨状或片状的导电的联接件(15)具有至少一个由冷却剂流通的冷却通道。
7.根据权利要求1至6所述的能量存储器,其特征在于,这些存储器单元(11)构成至少一个具有多个电串联的存储器单元(11)的存储器单元组(12;12a,12b)。
8.根据权利要求7所述的能量存储器,其特征在于,这些存储器单元(11)构成具有相应地多个电串联的存储器单元(11)的多个存储器单元组(12a,12b),其中这些存储器单元组(12a,12b)为电并联的。
9.根据权利要求7或8所述的能量存储器,其特征在于,相应的存储器单元组(12;12a,12b)分别包括数目为N的并排设置的存储器单元,其中,在数目为N-2的存储器单元(11)中,一个正连接极(13)通过一个第一导电联接件(15)与一个第一相邻存储器单元(11)的一个负连接极(14)电联接,且一个负连接极(14)通过一个第二导电联接件(15)与一个第二相邻存储器单元(11)的一个正连接极(13)电联接,并且其中,在数目为2的存储器单元(11)中,一个连接极(13,14),即在一个存储器单元中为正连接极(13)并且在另一个存储器单元中为负连接极(14),通过一个导电联接件(15)与一个相邻存储器单元(11)的一个极性相反的连接极(14,13)联接,与此相反,相应的存储器单元(11)的相应地另一个连接极(13,14)构成该存储器单元组(12;12a,12b)和/或该能量存储器的一个主连接极(20,21)。
10.根据权利要求9所述的能量存储器,其特征在于,多个存储器单元组(12a,12b)的相同极性的连接极(13,14)相应地通过导电的联接件(15)电联接。
11.用于一种机动车辆电能存储器的、尤其用于一种根据权利要求1至10所述的能量存储器的、具有电连接极的存储器单元,其特征在于,该存储器单元(11)的至少那些能够与相邻存储器单元的电连接极电联接的电连接极(13,14)形成为夹钳状,其中,为了与相邻存储器单元电联接,能够在形成为夹钳状的连接极中插入形成为导轨状或片状的导电联接件(15)。
12.具有多个电联接的存储器单元的机动车辆电能存储器,其中每个存储器单元都具有电连接极,这些电连接极与相邻存储器单元的电连接极电联接,其特征在于,这些存储器单元的至少那些与相邻的存储器单元的电连接极电联接的电连接极是通过形成为导轨状或片状的导电联接件联接,其中这些联接件具有形成为夹钳状的联接区段,这些联接件通过这些联接区段插到这些连接极上。
13.根据权利要求13所述的能量存储器,其特征在于,至少这些联接件的联接区段构成为由相应地多个弹簧弹性的金属夹钳制成的薄片组,其中该薄片组的这些金属夹钳形成为具有多个脚的U型,即具有彼此相对设置的弹簧弹性的接触脚用于一个存储器单元的连接极的电接触,并且具有一个与这些接触脚相连的连接脚,这些薄片组的夹钳通过该连接脚与这些联接件连接,其中在每一个薄片组内,这些接触脚能够彼此独立地弹性变形。
14.根据权利要求14所述的电能存储器,其特征在于,该联接件完全构成为由相应地多个导电导轨或导电片制成的薄片组。
15.根据权利要求12至14之一所述的电能存储器,其特征在于根据权利要求6至10所述的特征。
16.用于联接一种机动车辆电能存储器、尤其一种根据权利要求12至15所述的能量存储器的联接件,其特征在于,该联接件具有同样的形成为夹钳状的联接区段,该联接件能够通过这些联接区段插到这些储存单元的连接极上。
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