CN108598626A - 一种方形锂电池串并联模组结构 - Google Patents

一种方形锂电池串并联模组结构 Download PDF

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CN108598626A
CN108598626A CN201810183241.2A CN201810183241A CN108598626A CN 108598626 A CN108598626 A CN 108598626A CN 201810183241 A CN201810183241 A CN 201810183241A CN 108598626 A CN108598626 A CN 108598626A
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battery core
plate
circuit board
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王玉
宋孝炳
韩宁
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Hefei Gotion High Tech Power Energy Co Ltd
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Hefei Guoxuan High Tech Power Energy Co Ltd
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Abstract

本发明公开了一种方形锂电池串并联模组结构,包括:电芯模组、极片、集成板、上盖板、以及左侧板和右侧板,其中:电芯模组包括N个电芯排,每个电芯排包括M个电芯组,每个电芯组包括K个单体电芯,每相邻的两个电芯排之间均设有加热膜,每相邻的两个电芯组之间均设有绝缘板;极片通过集成板铺设在电芯模组的上方,集成板上设有与其固定装配的FPC线路板,FPC线路板与极片焊接;极片与电芯模组中各单体电芯焊接,以使每个电芯组中的各单体电芯之间相互并联,使各电芯组之间相互串联;上盖板与集成板固定;左侧板、右侧板相对布置在电芯模组的两侧并与电芯模组固定。本发明电芯受热更为均匀;且质量轻、装配简单、结构牢固。

Description

一种方形锂电池串并联模组结构
技术领域
本发明涉及电子技术领域,尤其涉及一种方形锂电池串并联模组结构。
背景技术
随着市场对电池的能量密度和功率密度的要求越来越高,传统的电池模组受其结构限制,其单体电芯受热的均匀性差,且整体重量大,不利于安装。
发明内容
基于上述背景技术存在的技术问题,本发明提出一种方形锂电池串并联模组结构。
本发明提出了一种方形锂电池串并联模组结构,包括:电芯模组、极片、集成板、上盖板、以及左侧板和右侧板,其中:
电芯模组包括N个电芯排,每个电芯排包括M个电芯组,每个电芯组包括K个单体电芯,所述N、M、K均为大于1的整数;每相邻的两个电芯排之间均设有与二者贴靠的加热膜,每相邻的两个电芯组之间均设有与二者贴靠的绝缘板;
极片通过集成板铺设在电芯模组的上方,集成板上设有与其固定装配的FPC线路板,FPC线路板与极片焊接;
极片与电芯模组中各单体电芯焊接,以使每个电芯组中的各单体电芯之间相互并联,使各电芯组之间相互串联;
上盖板位于极片和集成板的上方与并集成板固定;
左侧板、右侧板相对布置在电芯模组的两侧并与电芯模组固定。
优选地,加热膜的外周设有绝缘包边,加热膜包括加热片和位于加热片两侧并与加热片贴合固定的正面导热硅胶垫、反面导热硅胶垫,且加热片与正面导热硅胶垫和反面导热硅胶垫的厚度比为1:0.3:0.3。
优选地,加热片包括发热芯和位于发热芯两侧侧面并与其贴合固定的正面环氧板、反面环氧板,且发热芯与正面环氧板和反面环氧板的厚度比为0.5:0.25:0.25。
优选地,集成板上设有定位柱。
优选地,FPC线路板上设有可供定位柱穿过的定位孔。
优选地,FPC线路板靠近集成板的一侧设有背胶。
优选地,FPC线路板上设有温感器。
优选地,集成板上预留有与FPC线路板形状匹配的置物槽;所述FPC线路板位于置物槽内并与集成板固定。
优选地,上盖板与集成板通过卡扣的方式相互固定。
优选地,上盖板上设有卡钩,集成板上设有供卡钩卡入的卡槽。
优选地,左侧板、右侧板相对布置在电芯模组的两侧并通过打包带以困扎的方式与电芯模组固定。
本发明中,加热膜设置在相邻的两个电芯排之间,使得电芯模组中的各单体电芯的受热更为均匀;且利用FPC线路板替代传统的线束,使得整个模组结构更为简洁、紧凑,且质量更轻。此外,该模组结构的设置与传统模组结构相比,减少模组结构中的侧板数量以及固定模组螺栓数量,不仅在轻量化上具有明显的优势,且提升了工艺组装的效率和稳定度,而且装配简单、结构十分牢固。
附图说明
图1为本发明提出的一种方形锂电池串并联模组结构的分解图;
图2为本发明提出的一种方形锂电池串并联模组结构的外观图;
图3为本发明提出的一种方形锂电池串并联模组结构中所述加热膜的结构示意图。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
如图1-3所示,图1为本发明提出的一种方形锂电池串并联模组结构的分解图;图2为本发明提出的一种方形锂电池串并联模组结构的外观图;图3为本发明提出的一种方形锂电池串并联模组结构中所述加热膜的结构示意图。
参照图1-2,本发明实施例提出的一种方形锂电池串并联模组结构,包括:电芯模组、极片2、集成板3、上盖板4、以及左侧板5和右侧板6,其中:电芯模组包括N个电芯排,每个电芯排包括M个电芯组,每个电芯组包括K个单体电芯1,所述N、M、K均为大于1的整数;每相邻的两个电芯排之间均设有与二者贴靠的加热膜7,每相邻的两个电芯组之间均设有与二者贴靠的绝缘板8。
极片2通过集成板3铺设在电芯模组的上方,集成板3上设有与其固定装配的FPC线路板10,FPC线路板10与极片2焊接;极片2与电芯模组中各单体电芯1焊接,以使每个电芯组中的各单体电芯1之间相互并联,使各电芯组之间相互串联。上盖板4位于极片2和集成板3的上方并与集成板3固定。左侧板5、右侧板6相对布置在电芯模组的两侧并与电芯模组固定。
本发明是这样工作的,通过将加热膜7设置在相邻的两个电芯排之间,使得电芯模组中的各单体电芯1的受热更为均匀;且利用FPC线路板10替代传统的线束,使得整个模组结构更为简洁、紧凑,且质量更轻。此外,该模组结构的设置与传统模组结构相比,减少模组结构中的侧板数量以及固定模组螺栓数量,不仅在轻量化上具有明显的优势,且提升了工艺组装的效率和稳定度,而且装配简单、结构十分牢固。
参照图3,加热膜7的外周设有绝缘包边,加热膜7包括加热片71和位于加热片71两侧并与加热片71贴合固定的正面导热硅胶垫72、反面导热硅胶垫73,且加热片71与正面导热硅胶垫72和反面导热硅胶垫73的厚度比为1:0.3:0.3。加热片71包括发热芯和位于发热芯两侧侧面并与其贴合固定的正面环氧板、反面环氧板,且发热芯与正面环氧板和反面环氧板的厚度比为0.5:0.25:0.25。以使该加热膜7具有良好的加热性能,且避免对单体电芯1造成损坏。
此外,本实施例中,集成板3上设有定位柱和与FPC线路板10形状匹配的置物槽;FPC线路板10靠近集成板3的一侧设有背胶,FPC线路板10上设有可供定位柱穿过的定位孔;FPC线路板10位于置物槽内并通过定位柱与定位孔配合进行定位,通过背胶与集成板3固定,以进一步减少装配用的螺栓数量,减小该模组结构的重量。
本实施例中,FPC线路板10上设有温感器。
本实施例中,上盖板4上设有卡钩,集成板3上设有供卡钩卡入的卡槽,所述上盖板4与集成板3之间通过卡钩与卡槽卡扣的方式相互固定,以进一步降低该模组结构的重量,并方便装配。
本实施例中,左侧板5、右侧板6相对布置在电芯模组的两侧并通过打包带9以困扎的方式与电芯模组固定,以进一步降低该模组结构的重量,并方便装配。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (10)

1.一种方形锂电池串并联模组结构,其特征在于,包括:电芯模组、极片(2)、集成板(3)、上盖板(4)、以及左侧板(5)和右侧板(6),其中:
电芯模组包括N个电芯排,每个电芯排包括M个电芯组,每个电芯组包括K个单体电芯(1),所述N、M、K均为大于1的整数;每相邻的两个电芯排之间均设有与二者贴靠的加热膜(7),每相邻的两个电芯组之间均设有与二者贴靠的绝缘板(8);
极片(2)通过集成板(3)铺设在电芯模组的上方,集成板(3)上设有与其固定装配的FPC线路板(10),FPC线路板(10)与极片(2)焊接;
极片(2)与电芯模组中各单体电芯(1)焊接,以使每个电芯组中的各单体电芯(1)之间相互并联,使各电芯组之间相互串联;
上盖板(4)位于极片(2)和集成板(3)的上方并与集成板(3)固定;
左侧板(5)、右侧板(6)相对布置在电芯模组的两侧并与电芯模组固定。
2.根据权利要求1所述的方形锂电池串并联模组结构,其特征在于,加热膜(7)的外周设有绝缘包边,加热膜(7)包括加热片(71)和位于加热片(71)两侧并与加热片(71)贴合固定的正面导热硅胶垫(72)、反面导热硅胶垫(73),且加热片(71)与正面导热硅胶垫(72)和反面导热硅胶垫(73)的厚度比为1:0.3:0.3。
3.根据权利要求2所述的方形锂电池串并联模组结构,其特征在于,加热片(71)包括发热芯和位于发热芯两侧侧面并与其贴合固定的正面环氧板、反面环氧板,且发热芯与正面环氧板和反面环氧板的厚度比为0.5:0.25:0.25。
4.根据权利要求1所述的方形锂电池串并联模组结构,其特征在于,集成板(3)上设有定位柱;FPC线路板(10)上设有可供定位柱穿过的定位孔。
5.根据权利要求1所述的方形锂电池串并联模组结构,其特征在于,FPC线路板(10)靠近集成板(3)的一侧设有背胶。
6.根据权利要求1所述的方形锂电池串并联模组结构,其特征在于,FPC线路板(10)上设有温感器。
7.根据权利要求1所述的方形锂电池串并联模组结构,其特征在于,集成板(3)上预留有与FPC线路板(10)形状匹配的置物槽;所述FPC线路板(10)位于置物槽内并与集成板(3)固定。
8.根据权利要求1所述的方形锂电池串并联模组结构,其特征在于,上盖板(4)与集成板(3)通过卡扣的方式相互固定。
9.根据权利要求8所述的方形锂电池串并联模组结构,其特征在于,上盖板(4)上设有卡钩,集成板(3)上设有供卡钩卡入的卡槽。
10.根据权利要求1-9中任一项所述的方形锂电池串并联模组结构,其特征在于,左侧板(5)、右侧板(6)相对布置在电芯模组的两侧并通过打包带(9)以困扎的方式与电芯模组固定。
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