CN214254660U - 方壳长电芯组及电池模组和电动汽车 - Google Patents
方壳长电芯组及电池模组和电动汽车 Download PDFInfo
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Abstract
本实用新型提供了一种方壳长电芯组,包括叠置于一起的多个电芯,还包括多个汇流排;各电芯的极柱分置于两端,且各电芯的位于同一侧的极柱沿方壳长电芯组的叠置方向上下交错布置;汇流排包括与其一电芯相连的正极引出排,与另一电芯相连的负极引出排,以及分设于方壳长电芯组两侧的构成各电芯之间串接的若干串接排。本实用新型所述的方壳长电芯组,通过使电芯的极柱分置于两端,并使电芯的位于同一侧的极柱沿方壳长电芯组的叠置方向上下交错布置,操作方便,可增大汇流排布置空间,并便于汇流排造型。
Description
技术领域
本实用新型涉及动力电池技术领域,特别涉及一种方壳长电芯组。同时,本实用新型还涉及应用该方壳长电芯组的电池模组,以及安装该电池模组的电动汽车。
背景技术
近年来,随着汽车节能减排的意识深入人心,电动汽车的需求越来越多,因而电池包的需求也随之大量增加。目前的电池包,为了提高储能量,一般包括依次层叠排布的多个电芯,电芯之间采用汇流排串接或并接,以满足不同的功能需要。
然而,受现有结构以及连接方式的影响,由层叠排布的电芯构成的电芯组,电池包的正极极柱和负极极柱分置于电芯组的两端,电气连接不方便;除此以外,汇流排布置空间小,操作不便,导致汇流排造型困难。
实用新型内容
有鉴于此,本实用新型旨在提出一种方壳长电芯组,以便于汇流排布置。
为达到上述目的,本实用新型的技术方案是这样实现的:
一种方壳长电芯组,包括叠置于一起的多个电芯,以及多个汇流排;其中:
各所述电芯的极柱分置于两端,且各所述电芯的位于同一侧的极柱为沿所述方壳长电芯组的叠置方向上下交错布置;
所述汇流排包括与其一所述电芯相连的正极引出排,与另一所述电芯相连的负极引出排,以及分设于所述方壳长电芯组两侧的构成各所述电芯之间串接的若干串接排。
进一步的,各所述电芯两端的极柱均处于该电芯的顶部或底部。
进一步的,所述串接排中具有跨接排,且所述跨接排为横跨处于中间的所述电芯的端面,而形成对该中间的所述电芯两侧的所述电芯之间的串接。
进一步的,所述跨接排所串接的两个所述电芯的极柱均处于所述电芯的顶部或底部。
进一步的,所述电芯为叠置的单数个,所述正极引出排和所述负极引出排位于所述方壳长电芯组的同一端,并分置于所述方壳长电芯组的两侧;所述串接排还具有串接端部的两个相邻电芯的邻接排,且所述正极引出排及所述负极引出排与所述邻接排分别位于所述方壳长电芯组的两相对端。
进一步的,所述电芯为叠置的双数个,所述正极引出排和所述负极引出排位于所述方壳长电芯组的同一端,并设置于所述方壳长电芯组的同一侧;所述串接排还具有串接端部的两个相邻电芯的邻接排,且所述正极引出排及所述负极引出排与所述邻接排分别位于所述方壳长电芯组的两相对端。
进一步的,于至少部分所述串接排上构造有变形吸能结构。
进一步的,所述变形吸能结构为构造于所述串接排上的折弯部,且所述折弯部为构造于所述串接排上的至少两个。
相对于现有技术,本实用新型具有以下优势:
本实用新型所述的方壳长电芯组,通过使电芯的极柱分置于两端,并使电芯的位于同一侧的极柱沿方壳长电芯组的叠置方向上下交错布置,操作方便,且可增大汇流排布置空间,并便于汇流排造型,而有着较好的实用性。
此外,电芯两端的极柱均处于该电芯的顶部或底部,便于汇流排连接。而跨接排横跨中间的电芯的端面,可增大布置空间,而便于跨接排造型,如可设置变形吸能结构,而提高跨接排与极柱连接的可靠性。
另外,电芯为叠置的单数个,有利于使正极引出排和负极引出排靠近于方壳长电芯组的同一端布置,而有利于电气连接。
本实用新型的另一目的在于提出一种电池模组,所述电池模组包括如上所述的方壳长电芯组,且所述方壳长电芯组为一个,或者为串接相连的多个。
同时,本实用新型还提供了一种电动汽车,所述电动汽车的车身上安装有如上所述的电池模组。
本实用新型所述的电池模组和电动汽车与前述的方壳长电芯组相对于现有技术具有相同的有益效果,在此不再赘述。
附图说明
构成本实用新型的一部分的附图用来提供对本实用新型的进一步理解,本实用新型的示意性实施例及其说明用于解释本实用新型,并不构成对本实用新型的不当限定。在附图中:
图1为本实用新型实施例一所述的方壳长电芯组的结构示意图;
图2为图1的俯视图;
图3为图1的仰视图;
图4为本实用新型实施例一所述的方壳长电芯组的另一结构示意图;图5为本实用新型实施例一所述的汇流排的结构示意图;
图6为本实用新型实施例二所述的电池模组的结构示意图。
附图标记说明:
1、电芯;2、正极引出排;3、负极引出排;4、跨接排;5、邻接排;
101、正极极柱;102、负极极柱;
401、变形吸能结构。
具体实施方式
需要说明的是,在不冲突的情况下,本实用新型中的实施例及实施例中的特征可以相互组合。
在本实用新型的描述中,除非另有明确的限定,术语“安装”、“相连”、“连接”“连接件”应做广义理解。例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以结合具体情况理解上述术语在本实用新型中的具体含义。
此外,为了便于描述,以下的正极极柱和负极极柱统称为极柱;而为了便于理解,附图中采用实线表示正极极柱,采用虚线表示负极极柱。
下面将参考附图并结合实施例来详细说明本实用新型。
实施例一
本实施例涉及一种方壳长电芯组,其包括多个汇流排以及叠置于一起的多个电芯,各电芯的两端分别布置有正极极柱和负极极柱,经由汇流排连接不同电芯的正极极柱和负极极柱,而可将多个电芯串联连接于一起。
基于如上的整体结构描述,本实施例的方壳长电芯组的一种示例性结构如图1至图3所示,其包括层叠排布的多个电芯1,电芯1的长度优选为350mm-1500mm,宽度优选为140mm-250mm,厚度优选为17-75mm。
每个电芯1的正极极柱101和负极极柱102分置于自身的两端,并靠近自身的两相对侧布置,且各电芯1的位于同一侧的极柱沿方壳长电芯组的叠置方向上下交错布置。
在此还需说明的是,优选的布置方式中,各电芯1两端的极柱均处于该电芯1的顶部或底部,而便于电芯1之间串联连接。
为了便于将各电芯1串接于一起,本实施例中,汇流排按其功能分,主要包括正极引出排2、负极引出排3和多个串接排。
具体来讲,仍参照图1至图3所示的结构,正极引出排2和负极引出排3位于方壳长电芯组的同一端,并分置于方壳长电芯组的两侧;且正极引出排2和其一电芯1的正极极柱101连接,负极引出排3与另一电芯1的负极极柱102连接,以便于将各电芯1串联连接于一起。
串接排为多个,优选的具体实施方式中,串接排包括跨接排4和邻接排5,且多个串接排分设于方壳长电芯组的两侧,从而配合正极引出排2和负极引出排3,以将各电芯1串联连接于一起。
详细来讲,仍参照图1至图3所示的结构,跨接排4横跨处于中间的电芯1的端面设置,而形成对该中间的电芯1两侧的电芯1之间的串接。如本实施例中,中间的电芯1的数量为1个,且跨接排4所串接的两个电芯1的极柱均处于电芯1的顶部或底部。该结构中,中间的电芯1的数量为1个,便于串接各电芯1,除此以外,当然还可将中间的电芯1的数量设为其他数量,比如两个、三个或更多。
为了提高跨接排4与极柱连接的可靠性,参照图5所示的结构,于各跨接排4上均构造有变形吸能结构401,且变形吸能结构401具体为构造于串接排上的折弯部。优选的可行的具体实施方式中,折弯部为构造于跨接排4上的两个,便于布置并具有较好的变形吸能效果。除此以外,折弯部的数量当然还可为一个或更多个,只是折弯部数量为一个时,吸能效果相对较差,而折弯部数量为多个时,导致跨接排4加工成形相对困难。
在此应当理解的是,本实施例中的变形吸能结构401除了可设置于跨接排4上,当然还可设于其他的汇流排上,只是受空间因素影响,变形吸能结构401布置可能不方便,比如下述的邻接排5,由于需要串接相邻的两个电芯1的极柱,且两个电芯1之间的间距较小,便不适合设置变形吸能结构401。
除此以外,参照图2所示的结构,串接排还具有邻接排5,本实施中,邻接排5用于串接端部的两个相邻电芯1,且正极引出排2及负极引出排3与邻接排5分别位于方壳长电芯组的两相对端,便于实现各电芯1的串联连接。
本实施例的方壳长电芯组,电芯1的数量可为叠置的单数个,以便于布置汇流排,并有利于使正极引出排2和负极引出排3于方壳长电芯组的同一端的两侧布置,从而有利于电气连接。
更具体来讲,优选的具体实施方式中,参照图2所示的结构,按电芯1的排布方向,也即自左至右,除最右侧的电芯1外,四个电芯1为一个单元,如此循环排布。每个单元中,左侧两个电芯1的同一侧设置正极极柱101和负极极柱102,右侧两个电芯1也是同一侧设置正极极柱101和负极极柱102,左侧和右侧的两个电芯1的位于同一侧的正极极柱101和负极极柱102均是一上一下布置,并且各电芯1的位于同一侧的极柱沿方壳长电芯组的叠置方向上下交错布置,以便于设置汇流排和电气连接。
除此以外,电芯1的数量还可为双数个,如图4所示的结构,只是此时为了便于布置汇流排,正极引出排2和负极引出排3于方壳长电芯组的同一端的同一侧布置,从而有利于电气连接。
更具体来讲,作为一种优选的可实施方式,仍参照图4所示的结构,按电芯1的排布方向,也即从左至右,除最左侧和最右侧的电芯1外,两个电芯1为一个单元,同一单元的同一侧设置正极极柱101,另一侧设置负极极柱102,位于同一侧的正极极柱101和负极极柱102均是一上一下布置,且相邻的两个单元的正极极柱101和负极极柱102位于方壳长电芯组的两侧,各电芯1的位于同一侧的极柱沿方壳长电芯组的叠置方向上下交错布置,以便于设置汇流排和电气连接。此外,本实施例的方壳长电芯组,通过如上结构的设置,操作方便,可增大汇流排布置空间,且便于汇流排造型;另外,电芯1之间的排布方式,便于跨接排4上设置变形吸能结构401,而有利于提高跨接排4与极柱连接可靠性,还有利于电气连接,而有着较好的实用性。
实施例二
本实施例涉及一种电池模组,该电池模组的具体结构可参照图6所示的结构,其包括两个如实施例一的方壳长电芯组,两个方壳长电芯组的正极引出排2和负极引出排3位于电池模组的同一端,且两个方壳长电芯组串联连接。
在此应当理解的是,本实施例的电池模组,方壳长电芯组的数量并不限于图6所示的两个,除此以外,其还采用一个方壳长电芯组,或者串接相连的多个方壳长电芯组。
本实施例的电池模组,通过应用如实施例一的方壳长电芯组,便于布置汇流排,而便于提高电池模组的可靠性;此外,正极引出排2和负极引出排3布置于方壳长电芯组的同一端,便于电气连接,而具有较好的实用性。
实施例三
本实施例涉及一种电动汽车,该电动汽车的车身上安装有如实施例二的电池模组。本实施例的电动汽车,与实施例二的电池模组具有相同的有益效果,在此不再赘述。
以上所述仅为本实用新型的较佳实施例而已,并不用以限制本实用新型,凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。
Claims (10)
1.一种方壳长电芯组,其特征在于:包括叠置于一起的多个电芯(1),以及多个汇流排;其中:
各所述电芯(1)的极柱分置于两端,且各所述电芯(1)的位于同一侧的极柱为沿所述方壳长电芯组的叠置方向上下交错布置;
所述汇流排包括与其一所述电芯(1)相连的正极引出排(2),与另一所述电芯(1)相连的负极引出排(3),以及分设于所述方壳长电芯组两侧的构成各所述电芯(1)之间串接的若干串接排。
2.根据权利要求1所述的方壳长电芯组,其特征在于:各所述电芯(1)两端的极柱均处于该电芯(1)的顶部或底部。
3.根据权利要求1所述的方壳长电芯组,其特征在于:所述串接排中具有跨接排(4),且所述跨接排(4)为横跨处于中间的所述电芯(1)的端面,而形成对该中间的所述电芯(1)两侧的所述电芯(1)之间的串接。
4.根据权利要求3所述的方壳长电芯组,其特征在于:所述跨接排(4)所串接的两个所述电芯(1)的极柱均处于所述电芯(1)的顶部或底部。
5.根据权利要求4所述的方壳长电芯组,其特征在于:所述电芯(1)为叠置的单数个,所述正极引出排(2)和所述负极引出排(3)位于所述方壳长电芯组的同一端,并分置于所述方壳长电芯组的两侧;所述串接排还具有串接端部的两个相邻电芯(1)的邻接排(5),且所述正极引出排(2)及所述负极引出排(3)与所述邻接排(5)分别位于所述方壳长电芯组的两相对端。
6.根据权利要求4所述的方壳长电芯组,其特征在于:所述电芯(1)为叠置的双数个,所述正极引出排(2)和所述负极引出排(3)位于所述方壳长电芯组的同一端,并设置于所述方壳长电芯组的同一侧;所述串接排还具有串接端部的两个相邻电芯(1)的邻接排(5),且所述正极引出排(2)及所述负极引出排(3)与所述邻接排(5)分别位于所述方壳长电芯组的两相对端。
7.根据权利要求1至6中任一项所述的方壳长电芯组,其特征在于:于至少部分所述串接排上构造有变形吸能结构(401)。
8.根据权利要求7所述的方壳长电芯组,其特征在于:所述变形吸能结构(401)为构造于所述串接排上的折弯部,且所述折弯部为构造于所述串接排上的至少两个。
9.一种电池模组,其特征在于:所述电池模组包括有权利要求1至8中任一项所述的方壳长电芯组,且所述方壳长电芯组为一个,或者为串接相连的多个。
10.一种电动汽车,其特征在于:所述电动汽车的车身上安装有权利要求9所述的电池模组。
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