CN110661057A - 用于车辆的电池模块 - Google Patents
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Abstract
本发明提供一种用于车辆的电池模块,包括:单元模块,电池单元在其中彼此重叠且具有预定的方向性;以及冷却通道模块,其直接接合到垂直于单元模块的电池单元的重叠方向的至少一个面上,冷却通道模块具有在其中循环的制冷剂,其中冷却通道模块的单元接合面具有沿着由重叠的电池单元的端部形成的曲面弯曲的波形截面。
Description
技术领域
本发明涉及一种用于车辆的电池模块(battery module),更具体地,涉及一种用于冷却混合动力车辆或电动车辆中使用的电池模块的配置。
背景技术
用于存储驱动车辆所需的电能的电池模块对于混合动力车辆或电动车辆而言是必不可少的,并且电池模块应具有高能量密度以便保持车辆的充电性能。
在如上所述电池模块的能量密度较高的情况下,为了确保稳定的操作,必须确保良好的冷却性能以有效地冷却电池模块中产生的热量。
提供相关技术描述仅仅是为了帮助理解本发明的背景,而不应认为是与本领域普通技术人员已知的相关技术相对应。
发明内容
本发明的目的在于提供一种用于车辆的电池模块,其能够通过简单的布局和少量的部件以将电池模块的尺寸最小化,同时通过将构成电池模块的电池单元(battery cell)中产生的热量的传热路径最小化并使传热面积最大化以确保良好的冷却性能。
根据本发明的实施例,一种用于车辆的电池模块,包括:单元模块,电池单元在其中彼此重叠且具有预定的方向性;以及冷却通道模块,其直接接合到垂直于单元模块的电池单元的重叠方向的至少一个表面上,冷却通道模块具有在其中循环的制冷剂,其中冷却通道模块的单元接合表面具有沿着由重叠的电池单元的端部形成的曲面(curvature)弯曲的波形截面。
单元模块和冷却通道模块可以在单元模块和冷却通道模块设置成使得从单元模块的电池单元到冷却通道模块中的制冷剂的最短距离保持一致的状态下,通过散热粘合剂彼此接合。
在垂直于单元模块的电池单元的重叠方向的表面中,可以将由沿着由重叠的电池单元的端部形成的曲面弯曲的波形截面的单个板形成的盖板接合到冷却通道模块未接合的至少另一表面上。
单元模块和盖板可以在单元模块和盖板设置成使得从单元模块的电池单元到盖板外的环境的最短距离保持一致的状态下,通过散热粘合剂彼此接合。
单元模块可以在水平方向上重叠;冷却通道模块可以接合到单元模块的下侧;盖板可以接合到单元模块的上侧;侧盖可以沿重叠方向分别设置在单元模块的两端;以及侧盖可以沿垂直方向连接至盖板和冷却通道模块,以围绕和保护单元模块并提供结构刚性。
冷却通道模块的端部可以一体地设置有入口和出口,用于使制冷剂在冷却通道模块中循环。
附图说明
图1是根据本发明的实施例的用于车辆的电池模块的立体图。
图2是图1的电池模块的分解立体图。
图3是图2的冷却通道模块的立体图。
图4是沿图1中的Ⅳ-Ⅳ线截取的剖视图。
具体实施方式
可以理解的是,本文使用的术语“车辆”或“车辆的”或其它相似的术语一般包括机动车辆,例如包括运动型多功能车辆(SUV)、公共汽车、卡车、各种商用车辆的客车;包括各种艇、船只、航空器等的船舶,并包括混合动力车辆、电动车辆、插电式混合动力电动车辆、氢动力车辆和其他替代燃料车辆(例如,来自非石油资源的燃料)。如本文所提及的,混合动力车辆是具有两个或更多动力源的车辆,例如汽油动力车辆和电动动力车辆二者。
本文所使用的术语仅用于说明特定实施例,而非旨在限制本发明。除非上下文明确指示,否则如在本文使用的单数形式“一”和“该”也旨在包括复数形式。要进一步理解的是,当在本说明书中使用“包括”和/或“包含”时,是意图说明存在该特征、整数、步骤、操作、元件和/或部件,但不排除一个或多个其它特征、整数、步骤、操作、元件、部件和/或其组合的存在或添加。如在本文使用的,术语“和/或”包括一个或多个相关所列项目的任何和所有组合。在整个说明书中,除非有明确相反地描述,否则“包括”一词及其变化诸如“包括”或“包含”都将被理解为暗示包含所述的元件但不排除任何其他元件。此外,在说明书中描述的术语“单元”、“-机”、“-器”以及“模块”是指处理至少一个功能和操作的单元,并且可以通过硬件或软件及其组合来实现。
此外,本发明的控制逻辑可以体现为包含由处理器、控制器等执行的可执行程序指令的计算机可读介质上的非暂时性计算机可读介质。计算机可读介质的示例包括但不限于ROM、RAM、光盘(CD)-ROM、磁带、软盘、闪存驱动器、智能卡以及光学数据存储设备。计算机可读介质还可以分布在网络连接的计算机系统中,使得计算机可读介质以分布式方式存储和执行,例如通过远程信息处理服务器或控制器局域网(CAN)。
参照图1至图4,根据本发明的实施例的用于车辆的电池模块M包括由多个电池单元重叠而成的单元模块1和冷却通道模块5。每个电池单元具有多边形板状形状,且具有两个主面和多个端部,其中多个端部中的两个端部上形成有电极而成为电极端。将多个电池单元以电极端朝向相同方向的方式,使电池单元的主面彼此重叠从而形成单元模块1,因此,单元模块1具有由电池单元主面形成的两个模块主面,形成有电极端子的端面,和多个侧面,其中每个侧面由多个电池单元的端部重叠形成。冷却通道模块5可以直接接合到单元模块1的一个或多个侧面,并且制冷剂3在其中循环,其中冷却通道模块5的与单元模块的接合面5-1具有沿着由重叠的电池单元的端部形成的曲面弯曲的波形截面。
在本发明的一个实施方式中,,电池单元具有方形板形状,在预定的方向,例如,水平方向上彼此重叠性,如图2所示,从而构成单元模块1,并且冷却通道模块5接合到单元模块1的下侧面,以垂直于单元模块1的模块主面,从而通过冷却通道模块5中的制冷剂3直接冷却电池单元中产生的热量。
冷却通道模块5的端部一体地设置有入口7和出口9,以使制冷剂3在冷却通道模块中循环。制冷剂3被供应到入口7并通过出口9回收以使得制冷剂3被冷却,随后制冷剂被供应到入口7,从而可以平稳地促进冷却作用。
作为参考,在冷却通道模块5中形成有冷却通道11,使得制冷剂3可以在冷却通道模块中循环,并且在冷却通道模块5中设置有用于确保刚性的隔板13。
如上所述,冷却通道模块5的与单元模块的接合面5-1形成为以与由重叠的电池单元的端部形成的曲面类似的形状弯曲。从图4的剖视图可以看出,单元模块1和冷却通道模块5在单元模块1和冷却通道模块5设置成使得从单元模块1的电池单元到冷却通道模块5中的制冷剂3的最短距离尽可能保持一致的状态下,通过散热粘合剂15彼此接合。优选地,单元模块1和冷却通道模块5以如下的状态通过散热粘合剂15彼此接合,即,在单元模块1和冷却通道模块5设置成使得单元模块1的待结合的侧面的由重叠的电池单元的端部形成的曲面与冷却通道模块5的接合面5-1的曲面相互贴合的状态。结果,在所有电池单元中,从电池单元到冷却通道模块5的热传递基本上是一致的,传热面积最大化,并且确保了通过传导而形成的最短的整体传热路径,从而使得可以将电池单元的冷却性能最大化。
特别地,由于冷却通道模块5通过散热粘合剂15直接接合到电池单元的端部,并且在电池单元的端部和冷却通道模块5之间没有插入其他元件,因此可以直接且有效地进行从电池单元到制冷剂3的热传递。
如上所述的冷却通道模块5还可以以相同的方式另外安装在实施例中的单元模块1的上侧面以及下侧面,以应对需要更平稳的冷却的情况。
此外,如在本实施例中,在单元模块1的侧面,或者说,在垂直于单元模块1的模块主面的侧面,可以将由沿着由重叠的电池单元的端部形成的曲面弯曲的波形截面的单个板形成的盖板17接合到冷却通道模块5未接合的至少一个面上。
换言之,冷却通道模块5也可以另外安装在单元模块1的上侧面以进一步改善冷却性能,但是根据本实施例,盖板17是依照如上所述安装的。
单元模块1和盖板17在它们设置为使得从单元模块1的电池单元到盖板17外的环境的最短距离大致保持一致的状态下通过散热粘合剂15接合。结果,从单元模块1的电池单元产生的热量通过安装在单元模块1的上侧的盖板17排出到盖板17外的环境中,从而冷却电池单元。
这里,单元模块1和盖板17可以通过如上所述的散热粘合剂15彼此接合,并且在必要的情况下,在单元模块1和盖板17之间插入单独的电池固定垫,从而相对于盖板17固定电池单元的位置。
在本实施例中,单元模块1在水平方向上重叠;冷却通道模块5接合到单元模块1的下侧面;盖板17接合到单元模块1的上侧面;侧盖19沿重叠方向设置在单元模块1的两个模块主面上,使得侧盖19沿竖直方向连接到盖板17和冷却通道模块5,从而围绕并保护单元模块1并提供结构刚性。
因此,根据本发明的用于车辆的电池模块M围绕并保护单元模块1的外部,自主地确保结构刚性,并且有效且一致地将电池单元中产生的热量冷却以及排放到外部,从而可以使电池模块的总体积最小化并使其冷却性能最大化。
如上所述,根据本发明的实施例,可以通过将构成电池模块的电池单元中产生的热量的传热路径最小化并且将传热面积最大化,以确保良好的冷却性能,同时通过采用简单的布局和少量的部件使电池模块的尺寸最小化。
尽管已经参照特定实施例示出和描述了本发明,但是对于本领域普通技术人员显而易见的是,在不脱离由所附权利要求限定的本发明的精神和范围的情况下,可以对本发明进行各种修改和改变。
Claims (7)
1.一种用于车辆的电池模块,包括:
单元模块,电池单元在所述单元模块中彼此重叠且具有预定的方向性;以及
冷却通道模块,所述冷却通道模块直接接合到垂直于所述单元模块的主面的至少一个面上,所述冷却通道模块具有在其中循环的制冷剂,
其中所述冷却通道模块的与单元模块接合的接合面具有沿着由重叠的电池单元的端部形成的曲面弯曲的波形截面。
2.如权利要求1所述的电池模块,其特征在于,所述单元模块和所述冷却通道模块在所述单元模块和所述冷却通道模块设置成使得从所述单元模块的电池单元到所述冷却通道模块中的制冷剂的最短距离保持一致的状态下,通过散热粘合剂彼此接合。
3.如权利要求2所述的电池模块,其特征在于,所述单元模块和所述冷却通道模块以如下的状态通过散热粘合剂彼此接合,即,在所述单元模块和所述冷却通道模块设置成使得所述单元模块的待接合的侧面的由重叠的电池单元的端部形成的曲面与所述冷却通道模块的接合面的曲面相互贴合的状态。
4.如权利要求1所述的电池模块,其特征在于,由沿着由重叠的电池单元的端部形成的曲面弯曲的波形截面的单个板形成的盖板接合到在垂直于所述单元模块的模块主面的侧面中的所述冷却通道模块未接合的至少另一侧面上。
5.如权利要求4所述的电池模块,其特征在于,所述单元模块和所述盖板在所述单元模块和所述盖板设置成使得从所述单元模块的所述电池单元到所述盖板外的环境的最短距离尽可能一致的状态下,通过所述散热粘合剂彼此接合。
6.如权利要求4所述的电池模块,其特征在于,所述单元模块在水平方向上重叠;
所述冷却通道模块接合到所述单元模块的下侧面;
所述盖板接合到所述单元模块的上侧面;
侧盖沿重叠方向分别设置所述单元模块的两个模块主面上;以及
所述侧盖沿竖直方向连接至所述盖板和所述冷却通道模块,以围绕和保护所述单元模块并提供结构刚性。
7.如权利要求1所述的电池模块,其特征在于,所述冷却通道模块的端部一体地设置有入口和出口,用于使所述制冷剂在所述冷却通道模块中循环。
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