CN203674288U - 储能电池包组合的散热通风结构 - Google Patents

储能电池包组合的散热通风结构 Download PDF

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CN203674288U
CN203674288U CN201320672656.9U CN201320672656U CN203674288U CN 203674288 U CN203674288 U CN 203674288U CN 201320672656 U CN201320672656 U CN 201320672656U CN 203674288 U CN203674288 U CN 203674288U
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battery pack
length
air
single battery
air inlet
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李睿鑫
石建珍
吴纯华
唐明星
张洪涛
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Hunan Copower EV Battery Co Ltd
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NATIONAL ENGINEERING RESEARCH CENTER OF ADVANCE ENERGY STORAGE MATERIALS
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Abstract

本实用新型提供了一种储能电池包组合的散热通风结构,上下相邻独立电池组模块单元之间形成可使气流通过的空间,且在形成空间的一侧与气流送入装置连通,构成气流空间的电池组模块单元的壳体为进风壳体,电池包最外侧两个电池组模块单元的外侧壳体为出风壳体;进风壳体上与气流送入装置所在位置的一侧开有进风孔,出风壳体上与气流送入装置所在位置相对的一侧开有出风孔;进风壳体上设有挡风板且与单节电池的长度方向垂直,与进风孔中心的直线距离不小于0.8倍单节电池长度。采用本实用新型的散热通风结构制作的电池包,气流在电池包内的流动比较规律,与现有电池包相比,温差可降低35%~60%,延长电池包的使用寿命。

Description

储能电池包组合的散热通风结构
技术领域
本实用新型涉及一种散热通风结构,特别涉及一种储能电池包组合的散热通风结构。 
背景技术
传统的电池包体积大,电池组进风壳体整面都开有进风孔,电池组出风壳体整面都开有出风孔,但由于气流通过进风孔进入电池组后,气流在电池组内的流动没有规律,每个出风孔都有气流流出,而且流量比较乱,导致电池组内部的温差较大,造成个别电池温度过高,最终影响整个电池包的使用性能。 
实用新型内容
本实用新型旨在提供一种使电池包内部温差较低的储能电池包组合的散热通风结构。通过以下方案实现: 
一种储能电池包组合的散热通风结构,若干独立电池组模块单元呈上下布置构成电池包,相邻独立电池组模块单元之间形成可使气流通过的空间,在所述相邻独立电池组模块单元之间形成的空间的一侧与气流送入装置连通,构成该空间的两相邻位置的电池组模块单元的壳体为进风壳体,电池包最外侧两个独立电池组模块单元的外侧壳体为出风壳体;在进风壳体上,与气流送入装置所在位置的一侧开有进风孔,在出风壳体上,与所述气流送入装置所在位置相对的另一侧开有出风孔;在进风壳体上固定设置有挡风板,挡风板与单节电池单体的长度方向相垂直,且与所述进风孔中心的直线距离不小于0.8倍单节电池单体长度。 
为更好的起到通风散热效果,所述进风孔优选矩形孔,并且矩形孔的长度 为1.5~2.0倍单节电池单体的长度,宽度为单节电池单体直径的30~85%;矩形孔的布置方向为孔的长边与单节电池单体的长度方向平行。 
所述出风孔优选矩形孔,并且矩形孔的长度为1.5~2.0倍单节电池单体的长度,宽度为单节电池单体直径的30~85%;矩形孔的布置方向为孔的长边与单节电池单体的长度方向平行。 
采用本实用新型的储能电池包组合的散热通风结构制作的电池包,气流从电池组进风壳体一端的进风孔进入,从电池组出风壳体一端的出风孔流出,气流流动较规律;另外在电池组进风壳体上垂直于单节电池单体长度方向设置了挡风板,减少了气流损失,保证足够的气流流入电池包内,最终可使电池包内温差降低35%~60%,延长电池包的使用寿命。 
附图说明
图1:实施例1的储能电池包组合的散热通风结构示意图 
图2:实施例1的储能电池包组合的散热通风结构分解示意图 
图3(a):实施例1的进风壳体的局部结构正面示意图 
图3(b):实施例1的进风壳体的局部结构反面示意图 
图4:实施例1的出风壳体的局部结构示意图 
具体实施方式
实施例只是为了说明本实用新型的一种实现方式,不作为对本实用新型保护范围的限制性说明。 
实施例1
一种储能电池包组合的散热通风结构,如图1所示,由两个独立电池组模块单元9呈上下布置构成电池包10,电池组模块单元9之间形成可使气流通过的空间8,空间8的具体结构如图2中所示,在电池组模块单元9之间形成的空 间8的一侧与风扇4连通,风扇4送入对流气流;风扇4固定在外壳1上,构成上述空间8的电池组模块单元9的壳体为进风壳体3,电池包1两个独立电池组模块单元9的外侧壳体为出风壳体2;在进风壳体3上,与风扇4所在位置的一侧开有进风孔6,其局部结构示意图如图3(a)、图3(b)所示,图3(a)为正面示意图,图3(b)为反面示意图,进风孔6为矩形孔,孔的长边与单节电池单体的长度方向平行,孔的长度为1.5倍单节电池单体的长度,宽度为单节电池单体直径的30%;在进风壳体3上固定设置有挡风板7,挡风板7与单节电池单体的长度方向相垂直,且与进风孔6中心的直线距离为0.8倍单节电池单体长度。在出风壳体2上,与风扇4所在位置相对的另一侧开有出风孔5,其局部结构示意图如图4所示,出风孔5为矩形孔,孔的长边与单节电池单体的长度方向平行,孔的长度为1.5倍单节电池单体的长度,宽度为单节电池单体直径的30%。 
采用上述散热通风结构制作的电池包1,两个独立电池组模块单元9呈上下布置,风扇4吹出的气流被进风壳体3上的挡风板7挡住,从进风壳体3一端的进风孔6进入,通过电池组,从出风壳体2一端的出风孔5流出。使用2C电流对电池包进行充放电,测试得到电池包内的温差为5℃,与现有电池包相比,温差降低了38%。 
实施例2
一种储能电池包组合的散热通风结构,其结构与实施例1基本相同,出风壳体一端的出风孔的长度为1.8倍单节电池单体的长度,宽度为单节电池单体直径的55%;进风壳体一端的进风孔的长度为1.8倍单节电池单体的长度,宽度为单节电池单体直径的55%,挡风板与与进风孔中心的直线距离为1.2倍单节电池单体长度。 
采用上述散热通风结构制作的电池包,三个独立电池组模块单元呈上下布 置,使用2C电流对电池包进行充放电,测试得到电池包内的温差为4.2℃,与现有电池包相比,温差降低了47%。 
实施例3
一种储能电池包组合的散热通风结构,其结构与实施例1基本相同,出风壳体一端的出风孔的长度为2.0倍单节电池单体的长度,宽度为单节电池单体直径的85%;进风壳体一端的进风孔的长度为2.0倍单节电池单体的长度,宽度为单节电池单体直径的85%,挡风板与与进风孔中心的直线距离为0.9倍单节电池单体长度。 
采用上述散热通风结构制作的电池包,三个独立电池组模块单元呈上下布置,使用2C电流对电池包进行充放电,测试得到电池包内的温差为3.2℃,与现有电池包相比,温差降低了60%。 

Claims (5)

1.一种储能电池包组合的散热通风结构,若干独立电池组模块单元呈上下布置构成电池包,相邻独立电池组模块单元之间形成可使气流通过的空间,在所述相邻独立电池组模块单元之间形成的空间的一侧与气流送入装置连通;其特征在于:构成所述相邻独立电池组模块单元之间形成空间的电池组模块单元的壳体为进风壳体,电池包最外侧两个独立电池组模块单元的外侧壳体为出风壳体;在所述进风壳体上,与所述气流送入装置所在位置的一侧开有进风孔,在所述出风壳体上,与所述气流送入装置所在位置相对的另一侧开有出风孔;在所述进风壳体上固定设置有挡风板,所述挡风板与单节电池单体的长度方向相垂直,且与所述进风孔中心的直线距离不小于0.8倍单节电池单体长度。 
2.如权利要求1所述的储能电池包组合的散热通风结构,其特征在于:所述进风孔为矩形孔,并且矩形孔的长度为1.5~2.0倍单节电池单体的长度,宽度为单节电池单体直径的30~85%。 
3.如权利要求2所述储能电池包组合的散热通风结构,其特征在于:所述矩形孔的布置方向为孔的长边与单节电池单体的长度方向平行。 
4.如权利要求1~3之一所述的储能电池包组合的散热通风结构,其特征在于:所述出风孔为矩形孔,并且矩形孔的长度为1.5~2.0倍单节电池单体的长度,宽度为单节电池单体直径的30~85%。 
5.如权利要求4所述储能电池包组合的散热通风结构,其特征在于:所述矩形孔的布置方向为孔的长边与单节电池单体的长度方向平行。 
CN201320672656.9U 2013-10-28 2013-10-28 储能电池包组合的散热通风结构 Expired - Lifetime CN203674288U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104051685A (zh) * 2014-06-30 2014-09-17 先进储能材料国家工程研究中心有限责任公司 电池包壳体
WO2016074450A1 (zh) * 2014-11-14 2016-05-19 广东太阳库新能源科技有限公司 高散热性能太阳能移动电源

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104051685A (zh) * 2014-06-30 2014-09-17 先进储能材料国家工程研究中心有限责任公司 电池包壳体
WO2016074450A1 (zh) * 2014-11-14 2016-05-19 广东太阳库新能源科技有限公司 高散热性能太阳能移动电源

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