CN112909400A - 具有多个电池单元的电池组 - Google Patents
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Abstract
本发明涉及一种电池组,包括多个电池单元;多个电池支架,每个电池支架容纳至少两个电池单元;电池盒,围设在多个电池支架外;电池管理电路板,设置在电池盒的顶部;散热器,其安装在电池管理电路板的顶部;外壳,套设在电池盒外;顶壳,匹配设置在外壳的顶部,用于配合外壳密封电池盒;和热交换板,其与散热器传热连接连通,设于顶壳的顶部,其中每个电池支架包括具有两个相对的框架壁的底盘,框架壁的至少一部分位于底盘的下方。
Description
技术领域
本发明涉及电池技术领域,具体涉及一种具有多个电池单元的电池组。
背景技术
现有技术中需要使用具有多个电池单元的电池组时,各电池单元无法有效的进行叠放固定,并且各电池单元之间采用导线连接,电连接结构复杂。
发明内容
本发明所要解决的技术问题是针对上述现有技术提供一种具有多个电池单元的电池组固定方便,能够固定成一个整体进行使用,并且其中的电连接结构简单。
本发明解决上述问题所采用的技术方案为:一种电池组,其特征在于:包括
多个电池单元;
多个电池支架,每个电池支架容纳至少两个电池单元;
电池盒,围设在多个电池支架外;
电池管理电路板,设置在电池盒的顶部;
散热器,其安装在电池管理电路板的顶部;
外壳,套设在电池盒外;
顶壳,匹配设置在外壳的顶部,用于配合外壳密封电池盒;和
热交换板,其与散热器传热连接连通,设于顶壳的顶部,
其中每个电池支架包括具有两个相对的框架壁的底盘,框架壁的至少一部分位于底盘的下方。
为了方便实现电池和中多个电池单元的电连接,还包括集电器,所述集电器设于所述电池盒上方并与所述多个电池单元电连接。
优选地,还包括两个极性相反且用于实现相邻电池单元之间电连接的连接件,并且所述多个电池单元通过这两个连接件连接到所述集电器。
为两份昂便安装上部电池管理电路板,还包括用于支撑所述电池管理电路板的上部电池托架,所述上部电池托架设于所述电池盒的顶部上。
优选地,所述上部电池托架还包括基座,所述基座具有用于支撑所述电池管理电路板的多个顶部支撑件和用于附接到所述外壳的多个下部支撑件。
优选地,还包括设置在所述电池管理电路板的顶部上的散热器。
结构简单且方便连接地,所述电池盒还包括:盒顶部、盒底座以及用于将所述盒顶部连接至所述盒底座的多个支撑件。
安全地,还包括用于释放所述外壳内部压力泄压阀,所述泄压阀设置在所述顶壳的顶部上。
方便进行开关操作地,还包括设置在所述顶壳的顶部上的开/关按键。
为了有效保障电池组内部的密封性,还包括设置在所述外壳和所述顶壳之间的密封环。
优选地,所述热交换板上具有用以防止短路的隔离涂层。
与现有技术相比,本发明的优点在于:本发明中具有多个电池单元的电池组固定方便,通过电池支架能够将电池单元方便的进行堆叠放置,并且利用电池盒、外壳、顶壳等结构能够将多个电池单元固定为一个整体进行使用。并且其中的电连接结构简单。另外还采用散热器、热交换板有效能够实现多个电池单元工作过程中的散热,保证电池组工作时的能效和安全性。
附图说明
图1为本发明实施例中图1是用于组装电池的基本元件的示图100。
图2是组装的电池组的示图200。
图3示出了电池盒300。
图4是组装的电池盒400的示图。
图5是具有串联连接的电池单元的核心电池的示图500。
图6是集电器汇流条600的示图。
图7示出了具有连接器条的组装的电池组700。
图8是上部电池托架(bracket)800的示图。
图9是具有上部电池托架800的组装电池组的示图900。
图10示出了外壳1002内部的组装的电池组。
图11是具有散热器1102的组装的电池组的示图1100。
图12示出了成品电池1200。
图13是组装的电池的透视图1300。
图14示出了密封环1400。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
如图1所示,本实施例中提出了一种具有多个电池单元的电池组。图1是用于组装电池组的基本元件的示图100。基本元件包括电池支架104以及放置在电池支架104上的至少两个电池单元102。每个电池单元102具有一个正极连接器112和一个负极连接器110。电池支架104具有两个相对设置的框架壁106以及设置在两个框架壁106之间的底盘108框架壁106,本实施例中底盘108具体连接在每个框架壁106的中部,使得框架壁106的上半部位于底盘108上方,而框架壁106的下半部位于底盘108下方,每个框架壁106的两端同时还延伸至底盘108的前部和后部。当将电池单元102放置在电池支架104上时,电池单元102能够被框架壁106围住。电池支架104优选地由非金属材料制成,例如电池支架104可以采用丙烯腈丁二烯苯乙烯(ABS)材料制成。
图2是多个电池单元102和电池支架104组装的电池组的示图200。具有电池单元102的电池支架104彼此堆叠在一起,堆叠在一起的电池支架104的层数是可调的。在进行电池单元102的堆叠过程中,电池支架104中的框架壁106有助于各层电池单元102保持对齐。各层电池单元102外部相同极性的连接器无需垂直对齐,如相邻上下两层电池单元中的负极连接器110与正极连接器112垂直对齐,这种对齐方式可以方便电池单元之间进行串联连接。如果需要将堆叠放置的各电池单元并联连接,则可以在堆叠电池单元时将具有相同极性的连接器垂直对齐,进而方便各电池电源之间进行串联连接。
如图3所示,堆叠的电池支架104可以进一步被电池盒300围住。电池盒300具有盒底座302、盒顶部304和支撑设置在盒底座302、盒顶部304之间的多个盒支撑件306,这些盒支撑件306用于固定盒底座302和盒顶部304,其中盒支撑件306可以采用支撑杆。本实施例中的电池盒300由金属材料制成。
图4是组装了电池盒300的示图400。被围住在电池盒300中的电池支架104的层数可以调节。图5是将电池单元进行串联连接的电池组的示图500。相邻的电池单元102通过连接件502连接。对于需要串联连接的电池单元102,则使用连接件502将相邻的电池单元102中具有不同极性且相邻的连接器连接在一起,并且将串联连接两个末端的外部连接件504外露。
图6是集电器600的示图,集电器600具有两个用于连接不同极性的连接器的电连接器602、604。图7示出了具有集电器600组装的电池组700。如图7所示,两个外部连接件504连接到两个不同的电连接器602、604。
图8是上部电池托架800的示图。上部电池托架800包括基座802、设置在基座802顶部的多个顶部支撑件806以及自基座802两端向下延伸的多个下部支撑件804。基座802该上部电池托架800安装在组装的电池组700的顶部上,其中基座802上的多个顶部支撑件806用于支撑电池管理电路板1104,而多个下部支撑件804用于附接到外壳1002上。
图9是组装了上部电池托架800的电池组的示图900。电池管理电路板(图中未示出)被放置在上部电池托架800的顶部。电池管理电路板具有能够直接连接每个电池单元102的连接端子(未示出),并且电池管理电路板通过这些连接端子接收每个电池单元102的状态信息。然后图9所示的组装的电池组被放置在如图10所示的外壳1002中。为了能够更清楚的展示具体结构,外壳1002通过“透视”的方式进行展示,并且为了简化说明,电池组中的许多结构特征被省略了。该外壳1002由ABS材料制成。
图11是组装了散热器1102的电池组的示图1100,其中,散热器1102安装在电池管理电路板1104的顶部。优选地,散热器1102由铝制成,该散热器1102安装在电池管理电路板1104上能够实现电池管理电路板1104的快速散热,保证电池管理电路板1104正常工作,该电池管理电路板1104安装在上部电池托架800上。散热器1102将热量从电池管理电路板1104传导走,从而防止电池管理电路板1104过热。
图12示出的成品电池组1200,是在图11所示的组装的电池组上覆盖设置了顶壳顶壳1202而形成的电池组。成品电池组12001200还具有两个外部连接器1204和一个热交换板1210。热交换板1210与散热器1102传热连接,本实施例中热交换板1210覆盖在散热器1102的上方,该热交换板1210与散热器1102能够在电池管理电路板1104和外部环境之间进行热交换。热交换板1210的上表面上具有提供电绝缘的涂层。电池组1200中顶壳1202紧固到底盒1002之间通过使用图14所示的密封环1400而被气密密封。密封环1400防止水和灰尘进入电池内部。在电池组1200的顶部上具有按钮1208和阀1206。按钮1208是电池组1200的开/关按键,并且阀1206是用于释放电池组1200的内部压力的可重置的泄压阀。如果电池单元102过热,则外壳1002内部会积聚压力,当压力达到预定点时,阀1206弹出,内部压力释放。
图13是组装的电池组的透视图1300,在电池组封闭之后,用螺丝将顶壳1202紧固到底盒1002。螺丝沿着顶壳1202的边缘均匀分布。由于密封环1400位于顶壳1202和底壳1002之间并且由橡胶制成,该密封环1400可进行压缩并且压缩比可以控制。顶壳1202相对于底盒1002的压缩力均匀地施加到密封环1400上,该压缩力对于密封很重要,压缩力的作用点之间的距离不是随机选择的,密封环的压缩比根据压缩力的需要具体进行选择。组装后,电池组是密闭系统,因此从内部到外部散热的辐射和对流是最小的。嵌入的热交换板1210是增强导热的有效介质。
以上描述了示例性的实施方案。应理解的是,本发明包括许多其他实施方案,其可以被认为是上述实施方案的合理等效方案,并且仅由所附权利要求书来限制。
Claims (11)
1.一种电池组,其特征在于:包括
多个电池单元;
多个电池支架,每个电池支架容纳至少两个电池单元;
电池盒,围设在多个电池支架外;
电池管理电路板,设置在电池盒的顶部;
散热器,其安装在电池管理电路板的顶部;
外壳,套设在电池盒外;
顶壳,匹配设置在外壳的顶部,用于配合外壳密封电池盒;和
热交换板,其与散热器传热连接连通,设于顶壳的顶部;
其中每个电池支架包括具有两个相对的框架壁的底盘,框架壁的至少一部分位于底盘的下方。
2.根据权利要求1所述的电池组,其特征在于:还包括集电器,所述集电器设于所述电池盒上方并与所述多个电池单元电连接。
3.根据权利要求2所述的电池组,其特征在于:还包括两个极性相反且用于实现相邻电池单元之间电连接的连接件,并且所述多个电池单元通过这两个连接件连接到所述集电器。
4.根据权利要求1所述的电池,其特征在于:还包括用于支撑所述电池管理电路板的上部电池托架,所述上部电池托架设于所述电池盒的顶部上。
5.根据权利要求1所述的电池组,其特征在于:所述上部电池托架还包括基座,所述基座具有用于支撑所述电池管理电路板的多个顶部支撑件和用于附接到所述外壳的多个下部支撑件。
6.根据权利要求5所述的电池组,其特征在于:还包括设置在所述电池管理电路板的顶部上的散热器。
7.根据权利要求1所述的电池组,其特征在于:所述电池盒还包括:盒顶部、盒底座以及用于将所述盒顶部连接至所述盒底座的多个支撑件。
8.根据权利要求1所述的电池组,其特征在于:还包括用于释放所述外壳内部压力泄压阀,所述泄压阀设置在所述顶壳的顶部上。
9.根据权利要求1所述的电池组,其特征在于:还包括设置在所述顶壳的顶部上的开/关按键。
10.根据权利要求1所述的电池组,其特征在于:还包括设置在所述外壳和所述顶壳之间的密封环。
11.根据权利要求1所述的电池组,其特征在于:所述热交换板上具有用以防止短路的隔离涂层。
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