CN114079128A - 用于高压电池的电池单元模块及其制造方法和用途 - Google Patents

用于高压电池的电池单元模块及其制造方法和用途 Download PDF

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CN114079128A
CN114079128A CN202110939049.3A CN202110939049A CN114079128A CN 114079128 A CN114079128 A CN 114079128A CN 202110939049 A CN202110939049 A CN 202110939049A CN 114079128 A CN114079128 A CN 114079128A
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F·伦兹
P·乌尔里奇
M·科赫尔
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Dr Ing HCF Porsche AG
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Abstract

本发明提供一种用于高压电池的电池单元模块(10)，该电池单元模块具有以下特征：该电池单元模块(10)包括单侧经极化的圆形电池单元(11)和具有电池单元连接器(15)的共用的电池单元框架(12)；该电池单元框架(12)将该电池单元连接器(15)以预先设定的排列连接；并且这些电池单元连接器(15)被配置成用于这些圆形电池单元(11)的低压接触件(13)。本发明还提供这种模块的对应的制造方法和用途，以及一种对应的高压电池。

Description

用于高压电池的电池单元模块及其制造方法和用途
技术领域
本发明涉及一种用于高压电池的电池单元模块。本发明还涉及这种模块的对应的制造方法和用途，以及一种对应的高压电池。
背景技术
EP 2 597 701 A1公开了一种两部分式的电池壳体，该电池壳体具有紧固在第一部分的内表面上的电路板和在其表面裸露的紧固机构。
WO 2020/041585 A1描述了一种用于对电动车辆的电池组的电池单元进行电连接的电路板装置。该装置包括两种电路板，这些电路板各自通过多个固定件与电池单元相连接。
发明内容
本发明提供一种如下文所述的用于高压电池的电池单元模块、这种模块的对应的制造方法和用途、以及一种具有这样的模块的高压电池。
该解决方案的优点在于灵活地连接电池单元以测量电流、测量电压以及测量温度。
本发明的其他有利的设计方案在下文中给出。因此，电池单元模块可以包括具有双冲压插座(doppelter Stanzrosette)的电池单元连接器，相应的连接器沿该冲压插座被移位至其所设的最终位置，以补偿制造误差。
此外，电池单元框架可以由带有经预压制的电池单元连接器座和用于双插座的包括熔融销的材料应用(Materialauftrag)通过注塑成型被制造。整个电池单元模块和电池的制造过程可以以这种方式大幅加速。
此外，电池单元框架和电池单元连接器可以彼此互补地成形，使得后者在电池单元连接器座中被放置在圆形电池单元上并且在这些电池单元连接器座之间被放置在电池单元框架上。通过柔性的电池单元框架的这种实施方式，提供用于进行电池单元互连的距离，这种实施方式有助于在没有额外的绝缘情况下避免短路。
这样的电池单元框架可以独立于电池单元进行组装，并且作为用于接合电池单元的完整组件被提供给流水线生产。通过在预装配范围内的这种组装，可以显著减小电池单元模块和高压电池的制造成本。
总体上，本发明在此公开下述1、7和9-10的技术方案，下述2-6和8为本发明的优选技术方案：
1.一种用于高压电池的电池单元模块(10)，
其特征在于：
-该电池单元模块(10)包括单侧经极化的圆形电池单元(11)和具有电池单元连接器(15)的共用的电池单元框架(12)，
-该电池单元框架(12)将该电池单元连接器(15)以预先设定的排列连接，并且
-所述电池单元连接器(15)被配置成用于所述圆形电池单元(11)的低压接触件(13)。
2.根据前述1所述的电池单元模块(10)，
其特征在于：
-该电池单元框架(12)被配置成用于所述电池单元连接器(15)的熔融销固定件(16)，并且
-该低压接触件(13)被设置成靠近该熔融销固定件(16)。
3.根据前述2所述的电池单元模块(10)，
其特征在于：
-该电池单元框架(12)具有经预压制的电池单元连接器座(17)，并且
-该熔融销固定件(16)将所述电池单元连接器(15)固定在所述电池单元连接器座(17)中。
4.根据前述3所述的电池单元模块(10)，
其特征在于：
-所述电池单元连接器(15)各自具有冲压插座(18)，并且
-该熔融销固定件(16)被设置在该冲压插座(18)上。
5.根据前述4所述的电池单元模块(10)，
其特征在于以下特征中的一个特征：
-所述电池单元连接器(15)由铜制成，或
-所述电池单元连接器(15)由铝制成。
6.根据前述4或5所述的电池单元模块(10)，
其特征在于：
-该电池单元框架(12)和所述电池单元连接器(15)彼此互补地成形，使得所述电池单元连接器(15)在所述电池单元连接器座(17)中被放置(3)在所述圆形电池单元(11)上，并且在所述电池单元连接器座(17)之间被放置在该电池单元框架(12)上。
7.一种用于制造根据前述4至6之一所述的电池单元模块(10)的方法，
其特征在于：
-压制电池单元连接器座(17)，并通过注塑成型来制造电池单元框架(12)，并且
-对电池单元连接器(15)进行冲压并且将其置入(1)电池单元连接器座(17)中。
8.根据前述7所述的方法，
其特征在于：
-在置入(1)之后，使所述电池单元连接器(15)按照需要沿冲压插座(18)移位至所设的最终位置，并且
-在该最终位置，通过熔融销固定件(16)将所述电池单元连接器(15)紧固(2)在该电池单元框架(12)上。
9.根据前述1至6之一所述的电池单元模块(10)的用途，其特征在于以下特征中的至少一个特征：
-借助于低压接触件(13)来测量电流，
-借助于低压接触件(13)来测量电压，或者
-借助于低压接触件(13)来测量温度。
10.一种具有根据前述1至6之一所述的电池单元模块(10)的高压电池。
附图说明
在附图中展示并且在下文中更详细地描述本发明的实施例。
图1示出单侧经极化的圆形电池单元。
图2示出具有突出的低压接触件的电池单元框架。
图3示出根据图2的电池单元框架的细节14。
图4示出将经冲压的电池单元连接器置入经预压制的电池单元连接器座。
图5示出电池单元连接器的冲压插座上的熔融销固定件。
图6示出电池单元连接器与处于电池单元连接器座间的电池单元之间的距离。
图7示出在组装时准备好接合电池单元的电池单元框架。
具体实施方式
图1展示用于没有以其整体展示的高压电池的单侧经极化的圆形电池单元(11)，该高压电池可以用作呈用于驱动电动车辆的牵引电池或驱动电池形式的移动电能储存器。
如图2所展示的，根据本发明的电池单元模块(10)包括多个这种单侧经极化的圆形电池单元(11)和共用的电池单元框架(12)，该电池单元框架具有由铜或铝制成的电池单元连接器(这些电池单元连接器由电池单元框架按预先设定的排列连接)，以便能够实现圆形电池单元(11)的根据图示的低压接触件(13)。
根据图3的细节图示更确切地展示这种连接构思：电池单元框架(12-图2)被配置成用于电池单元连接器(15)的槽孔型熔融销固定件(16)，在图2中标记的低压接触件(13)设置在该槽孔型熔融销固定件附近并且允许测量电流、电压和温度。
其他附图展示这样的电池单元模块(10)的制造和用途：
首先将经冲压并且设置有冲压插座(18)的电池单元连接器(15)置入由注塑成型所制造的电池单元框架(12)的经预压制的电池单元连接器座(17)(1-图4)。
在置入(1)之后，可以使电池单元连接器(15)在需要时沿冲压插座(18)移位至所设的最终位置，以限制可能的制造误差。在这个位置，电池单元连接器通过使伸出穿过冲压插座(18)的熔融销熔化被紧固在电池单元框架(12)上(2-图5)，使得熔融销固定件(16)可以将电池单元连接器(15)永久地固定在其电池单元连接器座(17)中。
电池单元框架(12)和电池单元连接器(15)的彼此互补的成形被选择成使得可以在此安装位置借助于低压接触件(13)来测量电流、电压和温度，同时电池单元连接器(15)在电池单元连接器座(17)中被放置在圆形电池单元(11)上，尽管如此电池单元框架(12)仍在电池单元连接器座(17)之间保证足够的间距(3-图6)。
图7示出所得到的组装，该组装例如可以作为用于接合电池单元的完整组件被提供给流水线生产。

Claims (10)

1.一种用于高压电池的电池单元模块(10)，
其特征在于：
-该电池单元模块(10)包括单侧经极化的圆形电池单元(11)和具有电池单元连接器(15)的共用的电池单元框架(12)，
-该电池单元框架(12)将该电池单元连接器(15)以预先设定的排列连接，并且
-所述电池单元连接器(15)被配置成用于所述圆形电池单元(11)的低压接触件(13)。
2.根据权利要求1所述的电池单元模块(10)，
其特征在于：
-该电池单元框架(12)被配置成用于所述电池单元连接器(15)的熔融销固定件(16)，并且
-该低压接触件(13)被设置成靠近该熔融销固定件(16)。
3.根据权利要求2所述的电池单元模块(10)，
其特征在于：
-该电池单元框架(12)具有经预压制的电池单元连接器座(17)，并且
-该熔融销固定件(16)将所述电池单元连接器(15)固定在所述电池单元连接器座(17)中。
4.根据权利要求3所述的电池单元模块(10)，
其特征在于：
-所述电池单元连接器(15)各自具有冲压插座(18)，并且
-该熔融销固定件(16)被设置在该冲压插座(18)上。
5.根据权利要求4所述的电池单元模块(10)，
其特征在于以下特征中的一个特征：
-所述电池单元连接器(15)由铜制成，或
-所述电池单元连接器(15)由铝制成。
6.根据权利要求4或5所述的电池单元模块(10)，
其特征在于：
-该电池单元框架(12)和所述电池单元连接器(15)彼此互补地成形，使得所述电池单元连接器(15)在所述电池单元连接器座(17)中被放置(3)在所述圆形电池单元(11)上，并且在所述电池单元连接器座(17)之间被放置在该电池单元框架(12)上。
7.一种用于制造根据权利要求4至6之一所述的电池单元模块(10)的方法，
其特征在于：
-压制电池单元连接器座(17)，并通过注塑成型来制造电池单元框架(12)，并且
-对电池单元连接器(15)进行冲压并且将其置入(1)电池单元连接器座(17)中。
8.根据权利要求7所述的方法，
其特征在于：
-在置入(1)之后，使所述电池单元连接器(15)按照需要沿冲压插座(18)移位至所设的最终位置，并且
-在该最终位置，通过熔融销固定件(16)将所述电池单元连接器(15)紧固(2)在该电池单元框架(12)上。
9.根据权利要求1至6之一所述的电池单元模块(10)的用途，
其特征在于以下特征中的至少一个特征：
-借助于低压接触件(13)来测量电流，
-借助于低压接触件(13)来测量电压，或者
-借助于低压接触件(13)来测量温度。
10.一种具有根据权利要求1至6之一所述的电池单元模块(10)的高压电池。
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