CN114497849B - 一种锂离子电池组防水阻潮湿结构 - Google Patents

一种锂离子电池组防水阻潮湿结构 Download PDF

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CN114497849B
CN114497849B CN202210331871.6A CN202210331871A CN114497849B CN 114497849 B CN114497849 B CN 114497849B CN 202210331871 A CN202210331871 A CN 202210331871A CN 114497849 B CN114497849 B CN 114497849B
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韦俊红
冯振
刘潇
王国祥
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Henan Institute of Technology
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Abstract

一种锂离子电池组防水阻潮湿结构，包括箱槽和箱盖，在箱槽内分布有电池模组，在每个电池模组的周围均绕设有隔板，在隔板的内部、箱盖的内部、箱槽的底面壁内部和箱槽的侧壁内部均填充有吸水导热物质并填充密实，在隔板上、箱盖的内侧面上、箱槽的底面上和箱槽的侧壁面上均分布有与其内部相连通的透气微孔。将电池模组固定在箱槽和箱盖形成的密封腔内，电池模组通过导热的形式将热量传导至箱盖、箱槽的侧壁和底面壁上进行散热，同时通过箱盖、箱槽的侧壁和底面壁内的吸水导热物质吸收密封腔内空气中的水分，避免空气中的水分在箱盖和箱槽的内壁上形成水珠，起到防潮作用，进而解决了阻水隔湿技术难题，同时对电池模组的保温与散热起到好的作用。

Description

一种锂离子电池组防水阻潮湿结构
技术领域
本发明涉及锂离子电池，具体涉及一种锂离子电池组防水阻潮湿结构。
背景技术
轨道牵引车、砂浆车、叉车、挖掘机等在寒冷、潮湿等恶劣环境中运行时，这些车辆或设备上用于启动或者驱动的电池组易受潮损坏，但是为了给电池组散热，则需要给电池组内部通风，给电池组通风则会导致潮湿空气进入电池组内部，这就使得电池组阻水隔湿成为技术难题。
发明内容
针对现有技术中的问题，本发明提供一种锂离子电池组防水阻潮湿结构，保证电池组散热的情况下，避免电池组受潮损坏。
一种锂离子电池组防水阻潮湿结构，包括导热材料制成的箱槽和箱盖，所述箱盖密封且固定连接在所述箱槽的槽口上，在所述箱槽和箱盖之间形成密封腔，在所述箱槽内分布有电池模组，在每个电池模组的周围均绕设有导热材料制成的隔板，所述隔板与所述电池模组贴合，所述隔板均为中空结构且相互之间连通设置，所述箱槽的底面壁和侧壁及所述箱盖均为中空结构，所述箱槽的底面壁内部和其侧壁内部均与所述隔板的内部相连通，所述箱盖与所述隔板贴合，在所述隔板的内部、箱盖的内部、箱槽的底面壁内部和箱槽的侧壁内部均填充有木炭灰、石灰、石墨、凝固胶其中的一种或多种的吸水导热物质并填充密实，在所述隔板上、箱盖的内侧面上、箱槽的底面上和箱槽的侧壁面上均分布有与其内部相连通的透气微孔；为保证隔板、箱槽和箱盖三者内填充物质的均匀性和透气性，在所述隔板的内部、箱盖的内部、箱槽的侧壁内部和箱槽的底面壁内部均分布有透气板和分层板，所述透气板和分层板间隔设置，在所述透气板和分层板之间形成填充通道，所述吸水导热物质位于所述填充通道内。
本发明的工作原理：电池模组发热后将热量传递至隔板、箱槽和箱盖上，隔板、箱槽和箱盖内的填充物质即具有导热功能又具有吸水性，从而将热量传递至箱槽和箱盖的外表面进行散热，同时将密封腔内的湿气吸纳到隔板、箱槽和箱盖三者内填充物质中，从而避免湿气在箱槽和箱盖的内壁面上降温而凝结成水滴。
工作一段时间需要对吸水导热物质进行维护，进一步：在所述箱槽相对的两个外壁上开设有通气口，在所述通气口上可拆卸密封设置有密封盖。将密封盖打开，从箱槽的一侧外壁上的通气口通入干燥气体，干燥气体进入密封腔并将箱槽和箱盖内的湿气从箱槽的另外一侧外壁上的通气口排出，从而对箱槽和箱盖内的吸水导热物质进行烘干维护。
为便于维护对箱槽和箱盖内的吸水导热物质进行烘干维护，进一步：在所述通气口上固定安装有风机，所述箱槽相对的两个外壁上的风机的风向相反设置。将本发明放置在干燥的环境内，打开风向相反的风机，即可完成对箱槽和箱盖内的吸水导热物质进行烘干维护。
为便于散热，进一步：所述电池模组为方体型，所述电池模组包括一列电池，在所述电池模组的电池之间均夹持有导热板，相邻所述导热板之间均一体化连接有连接板，所述连接板为导热材料且位于所述电池模组和隔板之间并与两者贴合。
进一步：所述导热板和连接板均为铝板。
引方体型，为提高箱槽内空间的利用率，进一步：所述电池模组为矩形阵列分布。
本发明的有益效果：将电池模组固定在箱槽和箱盖形成的密封腔内，电池模组通过导热的形式将热量传导至箱盖、箱槽的侧壁和底面壁上进行散热，同时通过箱盖、箱槽的侧壁和底面壁内的吸水导热物质吸收密封腔内空气中的水分，避免空气中的水分在箱盖和箱槽的内壁上形成水珠，达到防潮作用，进而解决了阻水隔湿技术难题，同时对电池模组的保温与散热起到好的作用和效果。
附图说明
图1为本发明的结构示意图；
图2为本发明的内部结构示意图；
图3为本发明中箱体侧壁的剖视结构示意图；
图4为图3中A区域的结构放大图；
图5为本发明中密封盖和通气口的装配结构示意图；
图6为本发明中电池模组的结构示意图；
图7为本发明中电池模组的剖视结构示意图。
图中，11、箱槽；111、通气口；112、密封盖；12、箱盖；2、隔板；3、电池模组；31、电池；32、连接板；33、导热板；4、分层板；5、透气板。
具体实施方式
下面结合附图对本发明做详细说明。下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能解释为对本发明的限制。本发明实例中的左、中、右、上、下等方位用语，仅是互为相对概念或是以产品的正常使用状态为参考的，而不应该认为是具有限制性的。
一种锂离子电池组防水阻潮湿结构，结合图1至图3，包括导热材料制成的箱槽11和箱盖12，所述箱盖12密封且固定连接在所述箱槽11的槽口上，在所述箱槽11和箱盖12之间形成密封腔，在所述箱槽11内分布有电池模组3，在每个电池模组3的周围均绕设有导热材料制成的隔板2，所述隔板2与所述电池模组3贴合，所述隔板2均为中空结构且相互之间连通设置，所述箱槽11的底面壁和侧壁及所述箱盖12均为中空结构，所述箱槽11的底面壁内部和其侧壁内部均与所述隔板2的内部相连通，所述箱盖12与所述隔板2贴合，在所述隔板2的内部、箱盖12的内部、箱槽11的底面壁内部和箱槽11的侧壁内部均填充有木炭灰、石灰、石墨、凝固胶其中的一种或多种的吸水导热物质并填充密实，在所述隔板2上、箱盖12的内侧面上、箱槽11的底面上和箱槽11的侧壁面上均分布有与其内部相连通的透气微孔，透气微孔的孔径小于2纳米。
其中，结合图4所示，在所述隔板2的内部、箱盖12的内部、箱槽11的侧壁内部和箱槽11的底面壁内部均分布有透气板5和分层板4，所述透气板5和分层板4间隔设置，在所述透气板5和分层板4之间形成填充通道，所述吸水导热物质位于所述填充通道内。在所述箱槽11相对的两个外壁上开设有通气口111，结合图5所示，在所述通气口111上可拆卸密封设置有密封盖112，所述密封盖112为聚四氟乙烯、硅胶、三元乙丙橡胶其中的一种或者两种或两种以上材料制成，所述密封盖112固套在所述通气口111上。将密封盖112打开，从箱槽11的一侧外壁上的通气口111通入干燥气体，干燥气体进入密封腔并将箱槽11和箱盖12内的湿气从箱槽11的另外一侧外壁上的通气口111排出，从而对箱槽11和箱盖12内的吸水导热物质进行烘干维护。在所述通气口111上固定安装有风机，所述箱槽11相对的两个外壁上的风机的风向相反设置。将本发明放置在干燥的环境内，打开风向相反的风机，即可完成对箱槽11和箱盖12内的吸水导热物质进行烘干维护。
另外，结合图6和图7所示，所述电池模组为方体型，所述电池模组包括一列电池31，在所述电池模组的电池31之间均夹持有导热板33，相邻所述导热板33之间均一体化连接有连接板32，所述连接板32为导热材料且位于所述电池模组3和隔板2之间并与两者贴合，所述电池31的底面与所述箱槽11的底面相互贴合。所述导热板33和连接板32均为铝板。
本发明的工作原理：电池模组3发热后将热量传递至隔板2、箱槽11和箱盖12上，隔板2、箱槽11和箱盖12内的填充物质即具有导热功能又具有吸水性，从而将热量传递至箱槽11和箱盖12的外表面进行散热，同时将密封腔内的湿气吸纳到隔板2、箱槽11和箱盖12三者内填充物质中，从而避免湿气在箱槽11和箱盖12的内壁面上降温而凝结成水滴。
以上显示和描述了本发明的基本原理、主要特征和优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (6)

1.一种锂离子电池组防水阻潮湿结构，其特征在于：包括导热材料制成的箱槽和箱盖，所述箱盖密封且固定连接在所述箱槽的槽口上，在所述箱槽和箱盖之间形成密封腔，在所述箱槽内分布有电池模组，在每个电池模组的周围均绕设有导热材料制成的隔板，所述隔板与所述电池模组贴合，所述隔板均为中空结构且相互之间连通设置，所述箱槽的底面壁和侧壁及所述箱盖均为中空结构，所述箱槽的底面壁内部和其侧壁内部均与所述隔板的内部相连通，所述箱盖与所述隔板贴合，在所述隔板的内部、箱盖的内部、箱槽的底面壁内部和箱槽的侧壁内部均填充有木炭灰、石灰、石墨、凝固胶其中的一种或多种的吸水导热物质并填充密实，在所述隔板上、箱盖的内侧面上、箱槽的底面上和箱槽的侧壁面上均分布有与其内部相连通的透气微孔；在所述隔板的内部、箱盖的内部、箱槽的侧壁内部和箱槽的底面壁内部均分布有透气板和分层板，所述透气板和分层板间隔设置，在所述透气板和分层板之间形成填充通道，所述吸水导热物质位于所述填充通道内。
2.根据权利要求1所述的一种锂离子电池组防水阻潮湿结构，其特征在于：在所述箱槽相对的两个外壁上开设有通气口，在所述通气口上可拆卸密封设置有密封盖。
3.根据权利要求2所述的一种锂离子电池组防水阻潮湿结构，其特征在于：在所述通气口上固定安装有风机，所述箱槽相对的两个外壁上的风机的风向相反设置。
4.根据权利要求1所述的一种锂离子电池组防水阻潮湿结构，其特征在于：所述电池模组为方体型，所述电池模组包括一列电池，在所述电池模组的电池之间均夹持有导热板，相邻所述导热板之间均一体化连接有连接板，所述连接板为导热材料且位于所述电池模组和隔板之间并与两者贴合。
5.根据权利要求4所述的一种锂离子电池组防水阻潮湿结构，其特征在于：所述导热板和连接板均为铝板。
6.根据权利要求4所述的一种锂离子电池组防水阻潮湿结构，其特征在于：所述电池模组为矩形阵列分布。
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