CN115149189A - 一种轻量化风冷电池插箱 - Google Patents
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Abstract
本发明公开了一种轻量化风冷电池插箱,包括两个侧板,所述侧板包括侧板外壳,所述侧板外壳开设有大面积竖向筋条,所述侧板外壳内部连接有散热层,所述散热层包括若干方形散热片,所述散热层内部设有接触板,所述接触板初始状态与电芯贴合。本发明采用了风冷结构,既满足了制造工艺可行性和轻量化要求,利用较少材料达到了箱体所具备的功能条件,又提高了可靠性和热管理性能。
Description
技术领域
本发明涉及锂电池领域,特别是涉及一种轻量化风冷电池插箱。
背景技术
随着新能源产品在中国市场的大量普及和推广之下,低成本、轻量化、成为各大新能源产品厂商竞争的关键因素。由于受到电池能量密度的制约,通信储能插箱一般需要用到十几甚至数十个电芯,这就导致上盖和下壳体结构尺寸比较大,所占重量比重约为整个产品的20%~30%。有鉴于此,确实有必要对通信储能插箱的箱体进行轻量化设计来减轻产品的重量。另外可靠性越高,电池储能插箱安全性能越高,在实现轻量化的同时增加电池储能插箱的可靠性。
公开号CN112164841A提到了“一种锂电池高效局部冷却装置及冷却方法”,该发明采用水冷机构对锂电池局部进行高效的冷却,对于紧急情况能够起到很好的效果,但锂电池需要长期工作,且通常需要大量锂电池进行工作,仅仅采用局部高效降温无法长期满足锂电池正常运转,且水冷设备占据重量也十分庞大,无法满足批量生产,所以急需一种能够满足锂电池长期降温且不需要增大设备重量的冷却设备。
发明内容
本发明提供一种轻量化风冷电池插箱,采用了风冷结构,既满足了制造工艺可行性和轻量化要求,利用较少材料达到了箱体所具备的功能条件,又提高了可靠性和热管理性能。
为了实现上述目的,本发明提供一种轻量化风冷电池插箱,其特征是,包括两个侧板,所述侧板包括侧板外壳,所述侧板外壳开设有若干竖向筋条,所述侧板外壳内部连接有散热层,所述散热层包括若干方形散热片,所述散热层内部设有接触板,所述接触板初始状态与电芯贴合,本发明采用多层侧板结构,导热与风冷散热分开工作,使得风冷效果更加好,采用铜铝结合金属片作为散热层,既降低了成本也提高了散热效率,大面积竖向筋条可以更好的接触环境风,降低了散热所需时间。
作为优选,所述侧板螺丝连接有两个端板,所述端板采用双层加固结构,所述加固结构包含两个端板外壳,所述端板外壳内设有若干与双层板垂直且相互平行的加固板,本发明通过空心结构降低了重量与成本,通过多层加固板保证结构稳定,用于限制电芯,抵抗电芯膨胀力,保证设备的力学性能高,既降低了设备成本,又保护了箱体内部部件。
作为优选,所述侧板螺丝连接有盖板,所述盖板包括上盖和下盖,所述盖板表面设有三排通风结构,所述通风结构由若干条形平行通风口组成,本发明通过多条通风口保证内部空气流通,提高风冷效率。
作为优选,所述端板之间螺丝连接有内部侧板,所述内部侧板包括减震结构,所述减震结构外部设有两个接触板,所述接触板夹住减震结构,所述内部侧板与端板连接位置为所述端板中间位置,保护箱体内部部件不受碰撞,提高设备安全性加长设备使用时间。
作为优选,所述端板下方螺丝连接有绝缘片,以防出现电芯漏电的情况,保证设备的安全性。
作为优选,所述端板螺丝连接部分为与端板外壳连接一体的连接片,所述连接片垂直于所述加固板与所述端板外壳,既能起到连接作用,又减少了使用器材重量,保证了设备的轻量。
作为优选,所述盖板厚度为1~2mm,所述侧板厚度为1~3mm,所述端板厚度为18~22mm,保证设备厚度既能正常使用又可以维持轻量。
作为优选,所述接触板与电芯之间涂有导热凝胶,提高了散热效率。
本发明的有益效果是:
1.采用多层侧板结构,导热与风冷散热分开工作,使得风冷效果更加好,采用铜铝结合金属片作为散热层,既降低了成本也提高了散热效率,大面积竖向筋条可以更好的接触环境风,降低了散热所需时间。
2.端板通过空心结构降低了重量与成本,采用多层加固板保证结构稳定,用于限制电芯,抵抗电芯膨胀力,保证设备的力学性能高,既降低了设备成本,又保护了箱体内部部件。
3.设有内部侧板,保护箱体内部部件不受碰撞,提高设备安全性加长设备使用时间。
附图说明
图1为插箱箱体主视图;
图2为箱体内部结构示意图;
图3为侧板与内部侧板结构示意图;
图4为端板结构示意图;
图5为盖板结构示意图;
其中,侧板1,侧板外壳11,散热层12,接触板13,端板2,端板外壳21,加固板22,连接片23,盖板3,内部侧板4,减震结构41,绝缘片5。
具体实施方式
为了详细说明本发明的技术内容、构造特征,结合以下实施方式并配合附图作进一步说明。
请参阅图1,本发明箱体外部由端板2、侧板1和盖板3组成,箱体整体采用铝合金材料,密度低,并且箱体整体用料较少,很大程度上减轻了产品的重量,极大地满足了轻量化的要求。
请参阅图2、图3、图4和图5,侧板一共包括两个侧板1,侧板1包括侧板外壳11,侧板外壳11开设有若干竖向筋条,侧板外壳11内部连接有散热层12,散热层12包括若干方形铜铝结合金属片,散热层12内部设有接触板13,接触板13初始状态与电芯贴合,接触板与电芯之间涂有导热凝胶,本发明采用多层侧板1结构,导热与风冷散热分开工作,使得风冷效果更加好,采用铜铝结合金属片作为散热层12,既降低了成本也提高了散热效率,大面积竖向筋条可以更好的接触环境风,采用导热凝胶,降低了散热所需时间提高了散热效率。侧板1螺丝连接有两个端板2,端板2采用双层加固结构,加固结构包含两个端板外壳21,端板外壳21内设有若干与双层板垂直且相互平行的加固板22,通过空心结构降低了重量与成本,通过多层加固板22保证结构稳定,用于限制电芯,抵抗电芯膨胀力,保证设备的力学性能高,既降低了设备成本,又保护了箱体内部部件。侧板1螺丝连接有盖板3,盖板3包括上盖和下盖,盖板3表面设有三排通风结构,通风结构由若干条形平行通风口组成,通过多条通风口保证内部空气流通,提高风冷效率。端板2之间螺丝连接有内部侧板4,内部侧板4包括减震结构41,减震结构41外部设有两个接触板13,接触板13夹住减震结构,内部侧板4与端板2连接位置为所述端板中间位置,保护箱体内部部件不受碰撞,提高设备安全性加长设备使用时间。端板2下方螺丝连接有绝缘片5,以防出现电芯漏电的情况,保证设备的安全性。端板2螺丝连接部分为与端板外壳21连接一体的连接片23,连接片23垂直于加固板22与端板外壳21,既能起到连接作用,又减少了使用器材重量,保证了设备的轻量。盖板3厚度为1.5mm,所述侧板1厚度为2mm,所述端板2厚度为20mm,保证设备厚度既能正常使用又可以维持轻量化。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何不经过创造性劳动想到的变化或替换,都应涵盖在本发明保护范围之内。
Claims (8)
1.一种轻量化风冷电池插箱,其特征是,包括两个侧板,所述侧板包括侧板外壳,所述侧板外壳开设有若干竖向筋条,所述侧板外壳内部连接有散热层,所述散热层包括若干方形散热片,所述散热层内部设有接触板,所述接触板初始状态与电芯贴合。
2.根据权利要求1所述的一种轻量化风冷电池插箱,其特征是,所述侧板螺丝连接有两个端板,所述端板采用双层加固结构,所述加固结构包含两个端板外壳,所述端板外壳内设有若干与双层板垂直且相互平行的加固板。
3.根据权利要求1所述的一种轻量化风冷电池插箱,其特征是,所述侧板螺丝连接有盖板,所述盖板包括上盖和下盖,所述盖板表面设有三排通风结构,所述通风结构由若干条形平行通风口组成。
4.根据权利要求1所述的一种轻量化风冷电池插箱,其特征是,所述端板之间螺丝连接有内部侧板,所述内部侧板包括减震结构,所述减震结构外部设有两个接触板,所述接触板夹住减震结构,所述内部侧板与端板连接位置为所述端板中间位置。
5.根据权利要求1所述的一种轻量化风冷电池插箱,其特征是,所述端板下方螺丝连接有绝缘片。
6.根据权利要求1所述的一种轻量化风冷电池插箱,其特征是,所述端板螺丝连接部分为与端板外壳连接一体的连接片,所述连接片垂直于所述加固板与所述端板外壳。
7.根据权利要求1所述的一种轻量化风冷电池插箱,其特征是,所述盖板厚度为1~2mm,所述侧板厚度为1~3mm,所述端板厚度为18~22mm。
8.根据权利要求1所述的一种轻量化风冷电池插箱,其特征是,所述接触板与电芯之间涂有导热凝胶。
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