CN110235279B - 电池模块 - Google Patents
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Abstract
公开了一种电池模块,所述电池模块包括:电路板,稳定地安置于多个电池单体的上部上;汇流条,将所述多个电池单体电连接,并且电连接到所述电路板;以及一对端板,分别定位在沿一个方向布置的所述多个电池单体中的相对端部的电池单体处,其中,所述电路板包括连接器,所述连接器形成在所述电路板的一端部处并暴露到所述电池模块的外部以与外部装置电连接,并且所述一对端板中的至少一个利用金属材料制成并包括连接器接地部和连接部,所述连接器接地部包围所述连接器,所述连接部连接到所述连接器接地部。
Description
技术领域
本发明涉及一种电池模块。
背景技术
通常,电池单体用作用于移动装置、电动车辆、混合动力车辆或电动自行车的能量源,并且可根据可用的外部装置的种类而以各种类型被使用。
诸如移动电话的小型移动装置能够使用单个电池的输出和容量来操作预定时间。然而,当例如在消耗大量电力的电动车辆或混合动力车辆中需要高功率和长时间的操作时,通过电连接多个电池单体来构建大容量的电池模块,以增大输出和容量。电池模块能够根据包括在电池模块中的电池单体的数量来增大输出电压或输出电流。可通过电连接多个电池模块来提供电池组。
此外,电池模块会由于感应到电路板的电磁兼容性(EMC)或静电放电(ESD)而劣化,这是要解决的问题。具体地,需要处理感应到低电压(LV)连接器的ESD能量。
发明内容
技术问题
本发明提供一种电池模块,所述电池模块被构造为处理感应到电池模块的低电压连接器的ESD。
技术方案
根据本发明的一方面,通过提供一种如下的电池模块能够实现以上和其他目的,所述电池模块包括:电路板,稳定地安置于多个电池单体的上部上;汇流条,将所述多个电池单体电连接,并且电连接到所述电路板;以及一对端板,分别定位在沿一个方向布置的所述多个电池单体中的相对端部的电池单体处,其中,所述电路板包括连接器,所述连接器位于所述电路板的一端处并暴露到所述电池模块的外部以与外部装置电连接,并且所述一对端板中的至少一个利用金属材料制成并包括连接器接地部和连接部,所述连接器接地部定位为包围所述连接器,所述连接部连接到所述连接器接地部。
在示例中,所述连接器接地部和所述连接部利用与利用金属材料制成的所述端板相同的材料制成,并且接地连接到所述端板。
在示例中,所述电池模块还可包括:一对侧板,结合到所述一对端板,以覆盖所述多个电池单体的短侧表面;以及上覆盖件,结合到所述端板和所述侧板,以保护所述汇流条和所述电路板,其中,所述连接器暴露到所述上覆盖件的外部。
在示例中,连接器接地部可位于所述连接器的外端部的入口部分处,以具有与所述入口部分的边缘一致的预定厚度。
在示例中,所述一对端板和所述一对侧板可利用金属材料制成,并且接地。
在示例中,所述上覆盖件可利用绝缘材料制成。
根据本发明的另一方面,通过提供一种如下的电池模块能够实现以上和其他目的,所述电池模块包括:电路板,稳定地安置于多个电池单体的上部上;汇流条,将所述多个电池单体电连接,并且电连接到所述电路板;一对端板,分别定位在沿一个方向布置的所述多个电池单体中的相对端部的电池单体处,一对侧板,结合到所述一对端板,以覆盖所述多个电池单体的短侧表面;上覆盖件,结合到所述端板和所述侧板,以保护所述汇流条和所述电路板;以及连接器,位于所述电路板的一端处并暴露到所述电池模块的外部,以与外部装置电连接,其中,所述连接器包括位于所述连接器的入口部分的外侧的金属的连接器壳体,并且所述连接器壳体包括电连接到所述连接器的连接插脚中的接地插脚的接地插脚连接部。
在此,所述连接器的连接到所述连接器壳体的接地插脚连接部的所述接地插脚通过所述电路板的图案可连接到所述电池模块的所述金属材料。
根据本发明的另一方面,通过提供一种如下的电池模块的端板能够实现以上和其他目的,所述端板位于沿一个方向布置的多个电池单体中的相对端部的电池单体处,所述端板包括:主板,利用金属材料制成,并且具有与所述电池模块的一个侧表面的尺寸对应的面积;连接器接地部,利用金属材料制成,并且位于所述电池模块的连接器周围;以及连接部,利用金属材料制成,并且将所述连接器接地部和所述主板连接。
技术效果
如上所述,根据本发明的实施例的电池模块能够通过使用外部金属外壳经由位于连接器外部的金属边缘使ESD接地而使感应到低电压连接器的ESD流出。
此外,根据本发明的实施例的电池模块能够通过将位于连接器外部的外部金属外壳连接到连接器的各种内部线中的接地线来使感应到低电压连接器的ESD接地。
附图说明
图1是根据本发明的实施例的电池模块的上覆盖件的分解透视图。
图2是根据本发明的实施例的电池模块的端板的透视图。
图3是根据本发明的另一实施例的电池模块的透视图。
图4是根据本发明的另一实施例的电池模块的连接器的透视图。
图5是图4中示出的连接器的正视图。
具体实施方式
在下文中,将详细地描述本发明的优选实施例。
本发明的各种实施例可以以许多不同的形式实施,而不应该被解释为局限于在此阐述的示例实施例。更确切地,提供公开的这些示例实施例,使得本公开将是彻底的和完整的,并且将向本领域技术人员传达公开的发明构思。
在附图中,为了简要和清楚,夸大了各种组件的尺寸或厚度。同样的附图标记始终表示同样的元件。如在此使用的,术语“和/或”包括相关所列项中的一个或更多个的任一组合和所有组合。此外,将理解的是,当元件A被称作“连接到”元件B时,元件A可直接连接到元件B,或者可存在中间元件C且元件A和元件B彼此间接连接。
在此使用的术语仅是出于描述特定实施例的目的,而不意图限制公开。如在此使用的,除非上下文另有明确说明,否则单数形式也意图包括复数形式。还将理解的是,当在本说明书中使用术语“包含”或“包括”和/或它们的变型时,说明存在所陈述的特征、数量、步骤、操作、元件和/或组件,但是不排除存在或添加一个或更多个其他特征、数量、步骤、操作、元件、组件和/或它们的组。
将理解的是,虽然在此可使用术语“第一”、“第二”等来描述各种构件、元件、区域、层和/或部分,但是这些构件、元件、区域、层和/或部分不应受这些术语限制。这些术语仅用于将一个构件、元件、区域、层和/或部分与另一构件、元件、区域、层和/或部分区分开。因此,例如,在不脱离本公开的教导的情况下,以下讨论的第一构件、第一元件、第一区域、第一层和/或第一部分可被命名为第二构件、第二元件、第二区域、第二层和/或第二部分。
为了易于描述,可在此使用诸如“在……之下”、“在……下方”、“下”、“在……上方”、“上”等的空间相对术语,以描述如图中示出的一个元件或特征与另一(另一些)元件或特征的关系。将理解的是,空间相对术语意图除了包括图中描绘的方位之外还包括装置在使用中或操作中的不同方位。例如,如果图中的装置被翻转,则被描述为“在”其他元件或特征“下方”或“之下”的元件随后将被定位为“在”所述其他元件或特征“上”或“上方”。因此,示例性术语“在……下方”可以包括上方和下方两种方位。
图1是根据本发明的实施例的电池模块的上覆盖件的分解透视图。图2是根据本发明的实施例的电池模块的端板的透视图。
参照图1和图2,根据本发明的实施例的电池模块100包括多个电池单体、内覆盖件、电路板110、汇流条120、端板130、侧板140和上覆盖件150。
电池单体(未示出)是能量产生器件,并且尽管未示出,但是电池单体包括沿第一方向x布置的多个电池单体。电池单体可包括:壳体,具有位于壳体的顶表面处的开口;以及电极组件,与电解液一起被容纳在壳体中。壳体的开口可通过盖组件密封。此外,具有不同极性的电极端子(即,正电极端子和负电极端子)可设置在限定电池单体的顶表面的盖组件中。
内覆盖件(未示出)位于多个电池单体的上部上,用于电连接多个电池单体的多个汇流条120安置于内覆盖件上。内覆盖件可具有覆盖多个电池单体的整个上部的尺寸。此外,内覆盖件可包括用于使多个电池单体的电极端子暴露到多个电池单体的上部的多个孔。内覆盖件优选地利用绝缘材料制成。
电路板110结合到内覆盖件的上部,并且包括用于控制和监测多个电池单体的充电/放电状态的电子器件。电路板110可结合到内覆盖件的上部的中央,以与布置在电路板110的相对侧部的汇流条120间隔开。也就是说,电路板110沿着第一方向x安置于内覆盖件的上部的中央处,并且用于电连接多个单体的多个汇流条120沿着第一方向x安置于电路板110的相对侧部处。此外,电路板110可电连接汇流条120。汇流条120可电连接到位于电路板110的底表面上的输入/输出端子。也就是说,汇流条120的电路板连接部可连接到设置在电路板110的底表面上的输入/输出端子。此外,电路板110包括暴露到电池模块100的外部以电连接到外部装置的连接器110a。连接器110a可以是低电压(LV)连接器。
汇流条120通过连接电池单体中的相邻电池单体的电极端子来将电池单体彼此串联或并联连接。汇流条120与通过内覆盖件向上暴露的电极端子接触并连接,并且由内覆盖件支撑。汇流条120可电连接沿第一方向x布置的多个电池单体中的布置在同一列上的电极端子。也就是说,汇流条120可沿着第一方向x布置在内覆盖件的相对侧部处,以彼此间隔开。汇流条120可包括朝向电路板110突出的电路板连接部。电路板连接部可结合到电路板110,以随后电连接到电路板110。
端板130分别定位在沿一个方向布置的多个电池单体中的相对端部的电池单体处。定位在相对端部的电池单体处的端板130中的至少一个端板130利用金属材料制成,并且利用金属材料制成的端板130还包括连接器接地部130a和连接部130b。连接器接地部130a被构造为在电路板110的连接器110a的入口部分处包围连接器110a。也就是说,连接器接地部130a可位于连接器110a的外端部的入口部分处,以具有与入口部分的边缘一致的预定厚度,如图2中所示,连接器接地部130a可整体地呈矩形环形状。此外,连接器接地部130a可延伸为包围整个连接器110a,或者可延伸为仅包围连接器110a的顶表面和侧表面。连接部130b是从端板130的主板延伸到连接器接地部130a的金属连接线。连接部130b可根据电池模块100的外部形状来设置,以适应于电池模块100的弯曲的外表面形状。连接器接地部130a和连接部130b可利用与端板130相同的材料制成。此外,具有连接器接地部130a和连接部130b的端板130还可包括外部接地线以被接地。当端板130能够吸收ESD能量时,可不需要外部接地线。
如上所述,由于包围电路板110的连接器110a的连接器接地部130a利用金属材料制成,因此可使感应到连接器110a(具体地,低电压连接器)的ESD沿着暴露到电池模块100的外部的连接器接地部130a通过连接部130b流出到限定金属外壳的端板130,并最终流出到地。因此,能够解决发生在用于电动汽车的电池模块100中的ESD或EMC问题。
此外,一对端板130中的包括连接器接地部130a和连接部130b的一个端板130以及与所述一个端板130相对的另一端板130利用相同的金属制成,从而使用金属外壳保护电池模块100。
此外,侧板140可结合到一对端板130,以覆盖多个电池单体的短侧表面。也就是说,多个电池单体可沿第一方向x布置在由一对端板130和一对侧板140限定的空间中。
上覆盖件150可与端板130和侧板140结合,以保护汇流条120和电路板110免受外部环境影响。上覆盖件150可利用绝缘材料制成。
图3是根据本发明的另一实施例的电池模块的透视图。图4是根据本发明的另一实施例的电池模块的连接器的透视图。图5是图4中示出的连接器的正视图。
参照图3至图5,与图1中示出的电池模块100类似,根据本发明的另一实施例的电池模块200包括多个电池单体、内覆盖件、电路板110、汇流条120、端板130、侧板140和上覆盖件150。
除电池模块100的端板130之外,电池模块200的多个电池单体、内覆盖件、电路板110、汇流条120、侧板140和上覆盖件150包括与电池模块100的对应功能单元相同的组件。也就是说,与电池模块100的端板130不同,电池模块200的端板130未设置有连接器接地部和连接部。
此外,电池模块200的电路板110包括与图1中示出的电池模块100的连接器110a不同的连接器210。参照图4和图5,连接器210包括位于连接器210外侧的金属连接器壳体220。连接器壳体220可被制造为包围利用绝缘材料制成的内壳体(未示出)。可选地,连接器壳体220可被制造为在没有内壳体的情况下包围多个连接插脚。另外,连接器壳体220也可被制造为仅包围绝缘壳体的顶表面或仅包围绝缘壳体的顶表面和侧表面。或者,连接器壳体220可仅位于连接器210的入口部分的上部上。
连接器壳体220包括接地插脚连接部220a,接地插脚连接部220a电连接到连接器210的多个连接插脚中的引到接地线的接地插脚。接地插脚连接部220a可从连接器壳体220的内表面突出并延伸,以随后与接地插脚一体地形成。可选地,接地插脚连接部220a可被制造为包围接地插脚,使得接地插脚连接部220a从连接器壳体220的内表面延伸以电连接到接地插脚。图4示出了接地插脚连接部220a与连接器210的接地插脚一体地形成。图5示出了接地插脚连接部220a包围连接器210的接地插脚的边缘,以电连接到连接器210的接地插脚。
此外,连接器210的连接到连接器壳体220的接地插脚连接部220a的接地插脚通过电路板110的图案连接到电池模块200的金属材料。金属材料可对应于端板130或侧板140。可选地,金属材料可对应于外部接地线。
如上所述,在根据本发明的另一实施例的电池模块200中,在连接器210附近产生的ESD通过连接器壳体220流出到接地插脚连接部220a和接地插脚。已经流出到接地插脚的ESD将通过电路板的图案或外部接地线而接地连接到电池模块200的金属材料。因此,能够解决用于电动汽车的电池模块200的ESD或EMC问题。
尽管已经描述了前述实施例以实施本发明的电池模块,但是这些实施例是出于说明性目的而阐述的,而不用于限制发明。本领域技术人员将容易理解的是,在不脱离由所附权利要求中限定的发明的精神和范围的情况下可进行许多修改和变型,并且这些修改和变型被包括在本发明的范围和精神内。
Claims (7)
1.一种电池模块,所述电池模块包括:
电路板,稳定地安置于多个电池单体的上部上;
汇流条,将所述多个电池单体电连接,并且电连接到所述电路板;以及
一对端板,分别定位在沿一个方向布置的所述多个电池单体中的相对端部的电池单体处,
其中,所述电路板包括连接器,所述连接器位于所述电路板的一端处并暴露到所述电池模块的外部以与外部装置电连接,
其中,所述一对端板包括:主板,利用金属材料制成,并且具有与所述电池模块的一个侧表面的尺寸对应的面积;连接器接地部,利用金属材料制成,并且被构造为当所述主板定位在所述端部的电池单体中的一者处时位于所述电池模块的所述连接器周围;以及连接部,利用金属材料制成,并且将所述连接器接地部和所述主板连接。
2.根据权利要求1所述的电池模块,其中,所述连接器接地部和所述连接部利用与利用金属材料制成的所述端板相同的材料制成,并且接地连接到所述端板。
3.根据权利要求1所述的电池模块,所述的电池模块还包括:
一对侧板,结合到所述一对端板,以覆盖所述多个电池单体的短侧表面;以及
上覆盖件,结合到所述端板和所述侧板,以保护所述汇流条和所述电路板,
其中,所述连接器暴露到所述上覆盖件的外部。
4.根据权利要求1所述的电池模块,其中,所述连接器接地部位于所述连接器的外端部的入口处,以具有与所述入口的边缘一致的预定厚度。
5.根据权利要求3所述的电池模块,其中,所述一对端板和所述一对侧板利用金属材料制成,并且接地。
6.根据权利要求3所述的电池模块,其中,所述上覆盖件利用绝缘材料制成。
7.一种电池模块,所述电池模块包括:
电路板,稳定地安置于多个电池单体的上部上;
汇流条,将所述多个电池单体电连接,并且电连接到所述电路板;
一对端板,分别定位在沿一个方向布置的所述多个电池单体中的相对端部的电池单体处,
一对侧板,结合到所述一对端板,以覆盖所述多个电池单体的短侧表面;
上覆盖件,结合到所述端板和所述侧板,以保护所述汇流条和所述电路板;以及
连接器,位于所述电路板的一端处并暴露到所述电池模块的外部,以与外部装置电连接,
其中,所述连接器包括位于所述连接器的入口的外部的金属的连接器壳体,并且所述连接器壳体包括与所述连接器的连接插脚中的接地插脚电连接的接地插脚连接部,其中,所述连接器的与所述连接器壳体的接地插脚连接部连接的所述接地插脚通过所述电路板的图案连接到所述电池模块的所述金属材料。
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