CN112335096A - 具有通过散热器结构的冷却片冷却的单体电池的电池组 - Google Patents
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Abstract
本发明涉及一种电池组(1),其包括冷却片(2)、产生电流的单体电池(3a、3b、3c、3d)、单体电池(3a、3b、3c、3d)的组装杆(4)、以及在冷却片(2)内流通的冷却液的进口总管(5)和出口总管(6)。冷却片(2)分布成多个平行的行,每行从进口总管(5)向出口总管(6)延伸,两个单体电池(3a、3b)在每对邻近的两个组装杆(4)之间与冷却片(2)相关联,这两个单体电池(3a、3b)平行于相关联的冷却片(2)延伸。
Description
技术领域
本发明涉及一种具有通过冷却片冷却的单体电池的电池组,电池组采用用于彼此相对地设置电池组的组成元件的散热器结构。
背景技术
当今,有三种单体电池,它们是棱柱单体电池、圆柱单体电池和所谓的推进单体电池。对于这三种电池来说,组装技术一直是类似的。组装少量聚集在模块中的电池,然后将这些模块与冷却系统一起组装,最后在形成电池组的组合件中组装全部模块。
该方法的第一个重大问题是体积,因为设置了围绕小组电池的庞大结构。该结构占用空间,并且由于与组装相关的限制规定了在模块间要有间隙,严重限制了可以装载在电池总成中的单体电池数量。
第二个问题在冷却方面,其中主要由于模块的结构而造成单体电池与通常为冷却片的冷却系统之间的接触很少。
这可以在图1中看出。图1示出了根据现有技术的电池组1a。该电池组1a包括冷却片2、产生电流的单体电池3a、3b、3c、3d、单体电池3a、3b、3c、3d的组装杆4、以及在冷却片2中流通的冷却液6的进口总管5和出口总管6。电池组1a具有围绕电池组1a的外部结构8以及电池组1a内部的增强元件9。
文献US-A-2011/162820描述了一种具有冷却片和多个单体电池的电池组。冷却片包括具有基本平坦的表面的冷却鳍片。冷却片包括邻接冷却鳍片并与冷却片周边邻近的冷却鳍片形成结点的框架。框架和冷却鳍片限定至少一个液体进口、至少一个液体出口和在它们之间的流道。
液体进口和液体出口以通过结点的方式设置并与流道流体连通。流道设置在周界附近并与冷却鳍片的基本平坦的表面进行热传递。
然而,该文献没有描述单体电池相对于冷却片如何定位,尤其是赋予每个冷却片的单体电池数量。
因此,本发明的根本问题是,对于包括单体电池、组装杆、进口总管和出口总管之间的冷却片的电池组,至少彼此相对地设置这些元件,以增加电池组中集成的单体电池的数量,同时确保单体电池的最佳冷却。
发明内容
为了达到该目的,根据本发明提供一种电池组,包括冷却片、产生电流的单体电池、单体电池的组装杆、以及在冷却片中流通的冷却液的进口总管和出口总管。本发明的独特之处在于,冷却片分布成多个平行的行,每一行从进口总管向出口总管延伸,两个单体电池在每对邻近的组装杆之间与冷却片相关联,这两个单体电池平行于相关联的冷却片延伸。
本发明的技术效果是删除了占据大量位置的电池组的外部结构和内部增强元件。电池组的组装与散热器的组装类似。散热器的鳍片由单体电池形成,冷却片变为散热片的结构而总管变为电池组的横梁和纵梁。
本发明提出的解决方案允许额外集成20%到30%的电池,因此允许增加电池组的容量。冷却直接在单体电池上进行并且在更大的接触面上进行,这允许承受小于20分钟的电池组快速充电周期,并且消散更多的热能。
这种电池组坚实且耐冲撞和振动,这使它特别适合在机动车辆上装载。这种电池组能够有助于加强车辆的底盘。
本发明适用于各种单体电池,并且还可以结合诸如在单体电池和冷却片之间增加如导热胶的热导体的修改。
有利地,单体电池以与冷却片所形成的行平行的行分布,两个单体电池插设在邻近的两行冷却片之间。
有利地,每行冷却片的端部与进口总管和出口总管焊接或钎焊、或者优选地压接。
事实上,压接不加热单体电池并允许保护电池。
有利地,组装杆平行于进口总管和出口总管延伸,并垂直于冷却片和单体电池。
有利地,针对每对邻近的两个组装杆,该邻近的两个组装杆被调整位置,以对插设在邻近的两个组装杆之间的由两个单体电池组成的单体电池对以及冷却片的部分施压。
有利地,单体电池各自具有排气孔,并且组装杆被钻出与排气孔对应的通风口。
有利地,组装杆的每个通风口与一行单体电池齐平。
有利地,冷却片包括多个具有平坦表面的冷却液通道。
有利地,单体电池是电化学单体电池。
本发明涉及一种包括至少一个这种电池组的机动车辆。
附图说明
通过阅读以下详细描述并参照作为非限制性示例给出的附图,本发明的其他特征、目的和优点将显现,在附图中:
图1是根据现有技术的电池组的示意图,
图2是根据本发明的电池组的示意图。
应当理解附图作为示例给出而非限定本发明。附图构成用于促进理解本发明的原则性示图,而不一定按照实际应用的比例尺。特别地,示出的不同元件的尺寸不能反映事实。
具体实施方式
在图1和图2中,为了简化,仅示出了单个组装杆4、单个通风口7、单个冷却板2、以及关联到所有两个相关单体电池的两个单体电池3a、3b,但是针对这些元件中的一个的描述也针对所有相当的元件。
参照图2,本发明涉及包括冷却片2、产生电流的单体电池3a、3b、3c、3d、组装杆4、以及冷却液的进口总管5和出口总管6的电池组1,有利地但非唯一地,冷却液的主要成分是在冷却片2内流通的水,如箭头所示。
根据本发明,冷却片2分布成多个平行的行。每一行从进口总管5向出口总管6延伸,以确保冷却液在电池组1中的流通。
储存并释放电化学能的两个单体电池3a、3b,有利地单体电池3a、3b、3c、3d与每对邻近的两个组装杆4之间的冷却片2相关联,词语“邻近”的意思是“相邻”。这两个单体电池3a、3b平行于相关联的冷却板2延伸。
在这个示例中,组装杆4定位在每个冷却片2的两个侧面中的一个上,但也可以考虑其他架构。
如在图2中所示,在最接近进口总管5的组装杆4与进口总管5之间,可以插入唯一的单个单体电池3d。同样可以适用于,在最接近出口总管6的组装杆4和出口总管6之间插入单体电池3c。
单体电池3a、3b、3c、3d可以以与冷却片2所形成的行平行的行分布,其中两个单体电池3a、3b插设在邻近或相邻的两行冷却片2之间。因此,冷却片2的一部分专用于两个电池3a、3b,对于由冷却片2形成的行也是同样的。
在图2中,有15个冷却片2、4个组装杆4,并且在邻近的两行冷却片2之间有8个单体电池3a、3b、3c、3d,也就是说,总计14乘以8个单体电池3a、3b、3c、3d,即112个单体电池3a、3b、3c、3d。单体电池3a、3b、3c、3d所形成的行和冷却片2所形成的行沿电池组1的长度延伸。所有这些都不是限制性的。
每行冷却片2的端部可以与进口总管5或出口总管6焊接、钎焊或压接,使得冷却液的流通是密闭的。
组装杆4可以平行于进口总管5和出口总管6延伸,并且垂直于冷却片2和单体电池3a、3b、3c、3d。因此,电池组1具有正方形或长方形的截面。在图2中,长方形截面的电池组1的宽度各自支承冷却液的进口总管5或出口总管。
针对每对邻近的两个组装杆4,邻近的这两个组装杆4可以调整位置,以对插设在邻近的两个组装杆4之间的由两个单体电池3a、3b组成的单体电池对以及冷却片2的部分施加压力。
在图2中,组装杆4在电池组1的宽度上延伸,同时对插设在两个组装杆4之间的单体电池3a、3b、3c、3d和冷却片2的部分产生约束,以增强这两个单体电池3a、3b和冷却片2的部分之间的接触。
在图2中可以看到,单体电池3a、3b、3c、3d各自具有排气孔,组装杆4可以被钻出通风口7,有利地,通风口7与排气孔对应地规律分布。例如,在图2中示出的实施例中,组装杆4的每个通风口7可以与一行单体电池3a、3b、3c、3d齐平。因此,在图2中示出每个组装杆4有14个通风口7,因此通风口7和两个单体电池3a、3b所组成的单体电池对的数量相同。因此,在单体电池3a、3b、3c、3d由于过热而超压时,通风口7允许气体逸出。
针对各自隔一定距离地面对进口总管5或出口总管6的两个最外端的组装杆,也可以配置面对唯一单个单体电池3c、3d的通风口7,在每行单体电池3a、3b、3c、3d中,单体电池3c、3d面对进口总管5或出口总管6。
冷却板2在其内部可以包括多个冷却液管道,有利地,冷却液管道具有平坦表面。
本发明涉及包括至少一个这样的电池组1的机动车辆,电池组1例如是车载网络的电池组1或为电机供电的牵引电池组1,单体电池3a、3b、3c、3d的尺寸和数量在这两种情况下是不同的。
本发明不受所描述并示出的仅作为示例给出的实施例限制。
Claims (10)
1.一种电池组(1),包括冷却片(2)、产生电流的单体电池(3a、3b、3c、3d)、所述单体电池(3a、3b、3c、3d)的组装杆(4)、以及在所述冷却片(2)内流通的冷却液的进口总管(5)和出口总管(6),其特点在于,所述冷却片(2)分布成多个平行的行,每一行从所述进口总管(5)向所述出口总管(6)延伸,两个单体电池(3a、3b)在每对邻近的两个组装杆(4)之间与冷却片(2)相关联,所述两个单体电池(3a、3b)平行于相关联的冷却片(2)延伸。
2.根据前项权利要求所述的电池组(1),其中所述单体电池(3a、3b、3c、3d)以与所述冷却片(2)所形成的行平行的行分布,两个单体电池(3a、3b)插设在邻近的两行冷却片(2)之间。
3.根据前项权利要求所述的电池组(1),其中每行冷却片(2)的端部与所述进口总管(5)或所述出口总管(6)焊接、钎焊或优选地压接。
4.根据前两项权利要求中任一项所述的电池组(1),其中所述组装杆(4)平行于所述进口总管(5)和所述出口总管(6)延伸,并且垂直于所述冷却片(2)和所述单体电池(3a、3b、3c、3d)。
5.根据前项权利要求所述的电池组(1),其中针对每对邻近的两个组装杆(4),所述邻近的两个组装杆(4)被调整位置,以对插设在所述邻近的两个组装杆(4)之间的由两个单体电池(3a、3b)组成的单体电池对以及所述冷却片(2)的部分施压。
6.根据前两项权利要求中任一项所述的电池组(1),所述单体电池(3a、3b、3c、3d)各自具有排气孔,其特点在于,所述组装杆(4)被钻出与所述排气孔对应的通风口(7)。
7.根据前项权利要求所述的电池组(1),其中组装杆(4)的每个通风口(7)与一行单体电池(3a、3b、3c、3d)齐平。
8.根据前述权利要求中任一项所述的电池组(1),其中所述冷却片(2)包括多个具有平坦表面的冷却液管道。
9.根据前述权利要求中任一项所述的电池组(1),其中所述单体电池(3a、3b、3c、3d)是电化学单体电池。
10.一种机动车辆,包括至少一个根据前述权利要求中任一项所述的电池组(1)。
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FR1855545 | 2018-06-22 | ||
FR1855545A FR3083008B1 (fr) | 2018-06-22 | 2018-06-22 | Batterie a cellules refroidies par des plaques de refroidissement en configuration de radiateur |
PCT/FR2019/051334 WO2019243697A1 (fr) | 2018-06-22 | 2019-06-05 | Batterie a cellules refroidies par des plaques de refroidissement en configuration de radiateur |
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FR3125635B1 (fr) | 2021-07-20 | 2024-02-09 | Psa Automobiles Sa | Dispositif de stockage electrique a cellules partiellement immergees |
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DE102010032901A1 (de) * | 2010-07-30 | 2012-02-02 | Valeo Klimasysteme Gmbh | Kühlvorrichtung für eine Fahrzeugbatterie sowie Fahrzeugbatteriebaugruppe mit einer solchen Kühlvorrichtung |
US20120114992A1 (en) * | 2010-11-04 | 2012-05-10 | Myung-Chul Kim | Battery module |
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FR3034572B1 (fr) * | 2015-03-30 | 2021-07-09 | Valeo Systemes Thermiques | Module de batterie, notamment pour vehicule automobile, et echangeur thermique pour module de batterie correspondant |
US20170005303A1 (en) * | 2015-06-30 | 2017-01-05 | Faraday&Future Inc. | Vehicle Energy-Storage System |
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- 2018-06-22 FR FR1855545A patent/FR3083008B1/fr active Active
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2019
- 2019-06-05 EP EP19739331.7A patent/EP3811456A1/fr active Pending
- 2019-06-05 CN CN201980040832.7A patent/CN112335096A/zh active Pending
- 2019-06-05 WO PCT/FR2019/051334 patent/WO2019243697A1/fr active Application Filing
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US20080292948A1 (en) * | 2007-05-23 | 2008-11-27 | Ajith Kuttannair Kumar | Battery cooling system and methods of cooling |
US20110162820A1 (en) * | 2010-01-04 | 2011-07-07 | Weber Derek R | Cooling plate for lithium-ion battery pack |
DE102010032901A1 (de) * | 2010-07-30 | 2012-02-02 | Valeo Klimasysteme Gmbh | Kühlvorrichtung für eine Fahrzeugbatterie sowie Fahrzeugbatteriebaugruppe mit einer solchen Kühlvorrichtung |
US20120114992A1 (en) * | 2010-11-04 | 2012-05-10 | Myung-Chul Kim | Battery module |
BE1020091A3 (nl) * | 2012-03-07 | 2013-04-02 | Hool Nv | Gekoelde batterij en werkwijze voor het vervaardigen ervan. |
CN203859205U (zh) * | 2014-05-21 | 2014-10-01 | 北京市亿能通电子有限公司 | 一种具有调温装置的电池组件 |
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EP3811456A1 (fr) | 2021-04-28 |
FR3083008B1 (fr) | 2020-07-17 |
FR3083008A1 (fr) | 2019-12-27 |
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