CN112952254A - 电池托盘 - Google Patents
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Abstract
用于至少一个电池模块的电池托盘,该电池模块用于机动载具,优选地用于电驱动的载具,其中该电池模块包括多个电池单元模块,包括前模块、后模块和至少一个中央模块,其中模块各自包括底座区段和至少一个壁区段,其中用于冷却介质的导管布置在底座区段上或底座区段中,其中模块实施为铸造部分并且借助于接合方法连接到彼此以形成闭合、压力密闭且介质密闭的电池托盘。
Description
技术领域
本发明涉及用于至少一个电池模块的电池托盘,该电池模块用于机动载具,优选地用于电驱动的载具,其中电池模块包括多个电池单元模块,该多个电池单元模块包括前模块、后模块和至少一个中央模块,其中模块各自包括底座区段和至少一个壁区段,其中用于冷却介质的导管布置在底座区段上或底座区段中。
背景技术
排他地配备有电驱动或至少另外配备有电驱动的机动载具必须对应地配备有大电池,在该大电池中可存储用于电驱动的能量。在这种情况下,电池自身容纳在电池托盘中,结果是:一方面保护它们免于受到外部天气影响,并且另一方面不管怎样防止包含在电池中的物质排出到环境中。
在这种情况下,电池托盘的尺寸根据将被容纳的电池单元的数量而支配并且也根据载具中可用的安装空间而支配。
从金属板突出的电池托盘和轮廓从现有技术已知。电池托盘的特征在于其中布置了多个电池单元的托盘形状的外壳。为了确保电池托盘足够刚性,还可同时作用为托盘的周向壁的周向轮廓主要布置在外部。关于密闭性和生产公差的要求很高。
另外,已知的是,当电池单元在高温下操作时,电池单元经历加速的老化过程并且因此缩短的可服务寿命。为了抵消该不利影响,已知的是,在托盘上提供呈流通冷却导管的形式的主动冷却系统。
出版物DE 10 2017 005 329 A1公开了一种用于从金属板生产可独立地适合于所要求的电池的尺寸的电池托盘的方法。
在这种情况下,不利的是,未在托盘上提供主动冷却系统。
出版物DE 10 2015 217 810 A1公开了一种用于电池的壳体,其中在铸造部分中提供了开口导管并且借助于附加的板覆盖了所述开口导管。在这种情况下,不利的是,电池托盘不能在尺寸上独立地增加或适合于电池的尺寸,因为导管管线在自身内闭合延伸并且其不可扩展。
发明内容
本发明的目的在于提出一种电池托盘,该电池托盘提供用于冷却电池的系统,并且该托盘可适合于不同电池尺寸,或者可生产更大或更小的电池托盘而无需附加的投资成本。
该目的根据本发明而实现,这是由于模块被实施为铸造部分并且通过接合到彼此以形成闭合、压力密闭和介质密闭的电池托盘来连接的事实。
根据本发明的用于至少一个电池模块用于机动载具,优选地用于电驱动的载具,其中电池模块包括多个电池单元,包括前模块、后模块和至少一个中央模块。模块在所有情况下包括底座区段和至少一个壁区段。
前模块以及后模块优选地包括壁,该壁围绕底座区段延伸直到实施为连接区域的端部面。在电池托盘的备选实施例中,前模块可表现为后模块或相反。中央模块在所有情况下在两个相对放置的外部面上包括壁区段并且在两个相对放置的端部面上设置有连接区域,该连接区域使得可能将模块连接到彼此。
在所有情况下,用于冷却介质的导管布置在底座区段中或底座区段上,所述冷却介质流过根据本发明的电池托盘或模块以用于冷却电池。
模块实施为铸造部分并且通过接合到彼此以形成电池托盘来连接,其中电池托盘为介质密闭和压力密闭的。
根据本发明的电池托盘表现为闭合托盘,该闭合托盘由多个模块形成,并且因此托盘的尺寸可根据电池的尺寸进行调整,其中例如电池托盘可借助于进一步的中央模块来扩展,因为所述进一步的中央模块由于模块上统一的连接区域而与彼此兼容。
由于独立模块接合到彼此,独立模块的导管以介质密闭和压力密闭的方式连接到彼此。电池托盘或模块也以介质密闭和压力密闭的方式在连接区域中连接到彼此,因此流体既不能流入也不能流出电池托盘。
优选的是,模块各自实施为一件或一个部分,换句话说,前模块、后模块以及中央模块各自实施为带有底座区段和至少一个壁区段的一件式铸造部分,其中用于冷却介质的导管布置在底座区段中或底座区段上。
显示为有利的是,将模块生产为压力铸造部分。该生产方法带来关于部分的高精度,以便确保模块在连接区域处兼容。
根据优选实施例,用于冷却介质的导管布置在底座区段的下部面上。导管各自布置在模块中或模块上或者集成在一件式铸造部分中。
优选的是,导管具有闭合截面。导管优选地由铸造材料形成,或者中空腔(冷却介质流过其)直接由铸造材料包围。
有利的是,相互连接的模块中的至少一个模块在至少一个端部面上具有连接区域,借助于该连接区域,模块可连接到彼此。连接区域因此是模块相对于彼此的兼容接口。
有利的是,连接区域具有梯级布置或偏移布置或沿连接区域纵向地延伸的突出部分并且相互连接的模块在连接区域中重叠。
优选实施例自身显示:相互连接的模块借助于焊接方法、铆钉、螺钉和/或粘合剂在重叠的连接区域中接合。这些类型的接合方法确保所要求的介质密闭性和压力密闭性。自然地,如果进一步的接合技术确保连接是介质密闭的和压力密闭的,那么它们也是可行的。
有利的是,壁区段具有肋,其加强壁并且增加电池托盘的强度。
优选的是,电池托盘包括连接导管,其中连接导管各自实施为单独的部分。将模块的导管连接到彼此的连接导管不集成在模块中,而是实施为单独的部分并且布置在电池托盘上。优选的是,连接导管分别布置在导管的端部面上以便将它们连接到彼此。导管借助于串联或并联的连接导管连接到彼此。
优选的是,用于冷却介质的导管并行地延伸,并且分别借助于在导管的两端处的一个连接导管连接到彼此。
显示为有利的是,连接导管从合成材料或金属板实施。然后,可将这些连接导管接合到模块。
另外,本发明的特征在于根据本发明的模块从铝合金或镁合金生产。这确保了尽可能低的重量和高的刚度与强度以及有效的热传导性,以便有效地冷却电池。
所有的实施例可能性可与彼此自由地组合。
附图说明
借助于附图描述了本发明的一个示例性实施例,其中本发明不仅限于示例性实施例。在附图中:
图1示出了根据本发明的电池托盘的三维视图。
图2从下面示出了根据本发明的电池托盘的三维视图,其中导管串联连接到彼此。
图3从下面示出了根据本发明的电池托盘的三维视图,其中导管并联连接到彼此。
图4示出了穿过两个模块的连接区域的截面视图。
具体实施方式
图1中所示的图示出了根据本发明的用于机动载具的电池托盘1,该电池托盘优选地用于电驱动的机动载具。根据本发明的电池托盘1用来接纳电池模块(未示出),其中电池模块包括多个电池单元模块。根据本发明的电池托盘1包括前模块2、后模块3以及至少一个中央模块4。模块2,3,4在所有情况下包括底座区段5和至少一个壁区段6。模块2,3,4各自实施为一件式的铸造部分,优选地实施为压力铸造件。用于冷却介质(该冷却介质用于冷却电池模块)的导管7布置在模块2,3,4的底座区段5中或底座区段5上。另外,模块2,3,4优选地包括电池单元模块附接点12,以便将电池单元固定在电池托盘1中。模块2,3,4在连接区域8处接合到彼此。可能借助于与另一个连接区域兼容的连接区域8来订制根据将要安装的电池模块的电池托盘1。换句话说,可能根据需要安装进一步的中央模块4,以便相应地增加电池托盘1的尺寸。图1到图3中示出的电池托盘1的实施例包括两个中央模块4,但是也可能安装仅一个中央模块或更进一步的中央模块4。模块2,3,4包括壁区段6,其中前模块2和后模块3包括延伸直到连接区段8的壁区段6,并且中央模块4包括两个相对放置的壁区段6。壁区段6的肋9也是清楚明显的,其确保托盘1的刚度和强度。
用于冷却介质的导管7在图2中是清楚明显的,其中所述导管布置在模块2,3,4的底座区段5的下部面上。导管7集成在模块2,3,4中或集成在一件式铸造部分中。导管7具有闭合截面,形成的中空腔14因此由铸造材料包围。导管7并行地延伸并且借助于连接区域8以介质密闭和压力密闭的方式连接到附接的模块2,3,4的导管7。
为了将导管7并联或串联连接到彼此,连接导管11布置在导管7(该导管分别布置在后模块和前模块上)的端部10上。连接导管11实施为单独的部分,并且同样地以介质密闭和压力密闭的方式附接到组装的模块2,3或前模块2和后模块3或导管7的端部10。图2示出了导管7到连接导管11的连接,其使得可能将导管7串联连接,其中在示出的实施例中,连接导管实施为单独的弯管并且布置在模块2,3上。自然地,分开的弯管也可实施为一个部分,以便减少在组装过程期间的费用,其中弯管的流动导管彼此不连接,以便产生串联通流。图3示出了连接导管11的一个实施例,其中导管7并联连接到连接导管11。
图4示出了穿过两个模块2,3,4之间的连接区域8的截面视图。清楚明显的是,偏移布置13布置在一个模块2,3,4中,并且所述偏移布置至少在模块的一个端部面的长度上延伸。因此,两个模块在连接区域中彼此重叠。优选的是,模块2,3,4还沿连接区域8借助于焊接方法、铆钉、螺钉、粘合剂和/或使得可能提供介质密闭和压力密闭的连接的进一步的接合手段接合到彼此。
参考标号列表
1 电池托盘
2 前模块
3 后模块
4 中央模块
5 底座区段
6 壁区段
7 导管
8 连接区域
9 肋
10 导管端部
11 连接导管
12 电池单元模块附接点
13 偏移布置
14 中空腔导管。
Claims (14)
1.用于至少一个电池模块的电池托盘(1),所述电池模块用于机动载具,优选地用于电驱动的载具,其中所述电池模块包括多个电池单元模块,包括前模块(2)、后模块(3)和至少一个中央模块(4),其中所述模块(2,3,4)各自包括底座区段(5)和至少一个壁区段(6),其中用于冷却介质的导管(7)布置在所述底座区段(5)上或所述底座区段中,其特征在于,所述模块(2,3,4)实施为铸造部分并且借助于接合方法连接到彼此以形成闭合、压力密闭且介质密闭的电池托盘(1)。
2.根据权利要求1所述的电池托盘(1),其特征在于,所述模块(2,3,4)各自实施为一件或一个部分。
3.根据权利要求1或权利要求2中的一项所述的电池托盘(1),其特征在于,所述模块(2,3,4)实施为压力铸造部分。
4.根据权利要求1到权利要求3中的一项所述的电池托盘(1),其特征在于,用于所述冷却介质的所述导管(7)布置在所述底座区段(5)的下部面上。
5.根据权利要求1到权利要求4中的一项所述的电池托盘(1),其特征在于,所述导管(7)具有闭合截面。
6.根据权利要求1到权利要求5中的一项所述的电池托盘(1),其特征在于,相互连接的模块(2,3,4)中的至少一个在至少一个端部面上包括连接区域(8),借助于所述连接区域,所述模块(2,3,4)连接到彼此。
7.根据权利要求6所述的电池托盘(1),其特征在于,所述连接区域(8)包括偏移布置(13),并且所述相互连接的模块(2,3,4)在所述连接区域(8)中重叠。
8.根据权利要求6或权利要求7中的一项所述的电池托盘(1),其特征在于,所述相互连接的模块(2,3,4)优选地借助于焊接方法、铆钉、螺钉和/或粘合剂在所述重叠的连接区域(8)中接合。
9.根据权利要求1到权利要求8中的任一项所述的电池托盘(1),其特征在于,所述壁区段(6)具有肋(9)。
10.根据权利要求1到权利要求9中的一项所述的电池托盘(1),其特征在于,用于所述冷却介质的所述导管(7)并行地延伸并且借助于连接导管(11)分别在所述导管(7)的两端(10)处连接到彼此。
11.根据权利要求10所述的电池托盘(1),其特征在于,所述连接导管(11)将所述导管(7)并联或串联连接到彼此。
12.根据权利要求10或权利要求11所述的电池托盘(1),其特征在于,所述连接导管(11)各自实施为单独的部分。
13.根据权利要求10到权利要求12中的任一项所述的电池托盘(1),其特征在于,所述连接导管(11)从合成材料或金属板实施。
14.根据权利要求1到权利要求13中的一项所述的电池托盘(1),其特征在于,所述模块(2,3,4)从铝合金或镁合金生产。
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