CN107431145A - 用于蓄电池模块的汇流条桥的卡扣式延伸部和引导壁 - Google Patents
用于蓄电池模块的汇流条桥的卡扣式延伸部和引导壁 Download PDFInfo
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- CN107431145A CN107431145A CN201580064898.1A CN201580064898A CN107431145A CN 107431145 A CN107431145 A CN 107431145A CN 201580064898 A CN201580064898 A CN 201580064898A CN 107431145 A CN107431145 A CN 107431145A
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- battery module
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Abstract
本公开包括蓄电池模块,所述蓄电池模块具有一组电气互连的电化学电池单元、配置成联接到负载以为所述负载供电的蓄电池模块端子,以及延伸在所述一组电气互连的电化学电池单元与所述蓄电池模块端子之间的电通路,其中所述电通路包括汇流条桥。所述蓄电池模块还包括外壳,其中所述一组电气互连的电化学电池单元设置在所述外壳内,并且所述外壳包括一对延伸部,所述一对延伸部沿所述汇流条桥的侧面定位,并且配置成保持所述汇流条桥并且阻挡所述汇流条桥沿至少一个方向移动。
Description
相关申请的交叉引用
本申请主张于2015年1月5日提交的、标题为“具有垂直和水平构造的锂离子蓄电池模块的机械和电气方面(MECHANICAL AND ELECTRICAL ASPECTS OF LITHIUM IONBATTERY MODULE WITH VERTICAL AND HORIZONTAL CONFIGURATIONS)”的、申请序列号为62/100,001的美国临时申请的优先权和权益,兹为了所有目的以参见方式引入其全部内容。
背景技术
本公开总体涉及蓄电池和蓄电池模块领域。更具体地,本公开涉及定位和保持蓄电池模块的汇流条桥。
该部分旨在向读者介绍本领域的各个方面,这些方面可涉及本公开的各个方面,这些方面在下文中进行描述。该讨论据信有助于向读者提供背景信息,以有利于更好地理解本公开的各个方面。因此,应当理解,这些陈述以该角度来阅读,而不应视为对现有技术的承认。
使用一个或多个蓄电池系统以为车辆提供所有或部分动力的车辆可称为xEV,其中术语“xEV”在本文中定义为包括所有下述车辆(其将电力用于其所有或部分车辆动力)或其任何变型或组合。例如,xEV包括将电力用于所有动力的电动车辆(EV)。如本领域的技术人员将理解的,同样被视为xEV的混合动力电动车辆(HEV)将内燃机推进系统和蓄电池供电的电动推进系统(诸如48伏特(V)或130V系统)相结合。术语HEV可包括混合动力电动车辆的任何变型。例如,全混合动力系统(FHEV)可利用一个或多个电动机、仅利用内燃机或利用两者将动力和其它电力提供至车辆。相比之下,轻度混合动力系统(MHEV)在车辆怠速时停用内燃机,并利用蓄电池系统来继续对空调单元、收音机或其它电子装置提供电能以及当需要推进时重新启动发动机。轻度混合动力系统还可(例如,在加速期间)施加一定程度的功率辅助,以对内燃机进行补充。轻度混合动力通常为96V至130V,并且通过带式或曲柄集成式起动发电机回收制动能量。另外,微混合动力电动车辆(mHEV)也使用类似于轻度混合动力的“启-停系统,但是mHEV的微混合动力系统可以或可以不向内燃机提供功率辅助,并且以低于60V的电压操作。出于当前讨论的目的,应当指出的是,mHEV通常在技术上不将直接提供至曲轴或传动装置的电力用于车辆的任何部分的动力,但是mHEV仍可被视为xEV,因为其在车辆怠速(伴随内燃机停用)以及通过集成式起动发电机回收制动能量时也使用电力来补充车辆的功率需求。此外,插入式电动车辆(PEV)为可从外部电源(诸如墙壁插座)进行充电的任何车辆,并且存储于可充电蓄电池组中的能量可驱动或有助于驱动车轮。PEV为EV的子类,包括全电动或蓄电池电动车辆(BEV)、插入式混合动力电动车辆(PHEV),以及混合动力电动车辆和传统内燃机车辆的转换型电动车辆。
相对于仅使用内燃机和传统电气系统的更传统的燃油动力车辆而言,上述xEV可提供若干优势,其中所述传统电气系统通常是由铅酸蓄电池供电的12V系统。例如,xEV可以产生较少的不期望的排放产物,并且相对于传统内燃机车辆可以呈现出较高的燃料效率,并且在一些情况下,此类xEV可以完全消除汽油的使用,如同某些类型的EV或PEV一样。
随着技术的持续演进,需要为此类车辆提供改进的电源,尤其是蓄电池模块。例如,在传统配置中,蓄电池模块可以包括配置成提供蓄电池模块的一个或多个端子与蓄电池模块的一组电气互连的电化学电池单元之间的电气连通的部件。遗憾的是,传统配置可能包括昂贵的部件,用于在该组电气互连的电化学电池单元与蓄电池模块的该一个或多个端子之间提供电气连通(例如,电通路)。此外,定位所述部件并且使得能够进行电气连通的制造工艺可能较为昂贵并且效率较低。因此,现在认识到,需要用于电联接蓄电池模块的电化学电池单元和端子的改进的部件和制造工艺。
发明内容
下文概述了本文中所公开的某些实施例。应了解,这些方面仅向读者提供关于某些实施例的概述,并且这些方面并不意图限制本公开的范围。实际上,本公开可以包括下文未描述的多个方面。
本公开涉及一种蓄电池模块,所述蓄电池模块具有一组电气互连的电化学电池单元、配置成联接到负载以为所述负载供电的蓄电池模块端子,以及在所述一组电气互连的电化学电池单元与所述蓄电池模块端子之间延伸的电通路,其中所述电通路包括汇流条桥。所述蓄电池模块还包括外壳,其中所述一组电气互连的电化学电池单元设置在所述外壳内,并且所述外壳包括一对延伸部,所述延伸部沿着所述汇流条桥的侧面定位,并且配置成保持所述汇流条桥并且阻挡所述汇流条桥沿着至少一个方向移动。
本公开还涉及一种蓄电池模块,所述蓄电池模块具有外壳、设置在所述外壳内的电化学电池单元、主要端子以及在所述电化学电池单元与所述主要端子之间延伸的电通路。所述电通路包括S形汇流条桥,所述S形汇流条桥具有第一基部、第二基部以及在所述第一基部与所述第二基部之间延伸的S形弯曲部。所述外壳包括:第一延伸部,所述第一延伸部向上延伸并且在所述S形汇流条桥的第一侧附近;第二延伸部,所述第二延伸部向上延伸并且在所述S形汇流条桥的与所述第一侧相对的第二侧附近。所述第一延伸部和所述第二延伸部配置成阻挡所述S形汇流条桥沿着所述S形汇流条桥的至少一个轴线移动。
本公开还涉及一种蓄电池模块,所述蓄电池模块具有电通路,所述电通路在所述蓄电池模块的一组电气互连的电化学电池单元与端子之间延伸,其中所述端子配置成联接到负载以为所述负载供电。所述蓄电池模块还包括所述电通路的汇流条桥。此外,所述蓄电池模块包括至少一个卡扣式延伸部,所述至少一个卡扣式延伸部与所述蓄电池模块的外壳一体形成并且设置成紧邻所述汇流条桥,其中所述至少一个卡扣式延伸部包括钩,所述钩在所述汇流条桥上方延伸,并且所述至少一个卡扣式延伸部配置成至少临时阻挡所述汇流条桥沿着至少一个方向移动。
附图说明
本公开的各个方面在阅读下述具体实施方式以及在参考附图时可更好地理解,其中:
图1是车辆的透视图,所述车辆具有根据本公开实施例配置的用于向车辆的多个部件提供电力的蓄电池系统;
图2是图1中的车辆和蓄电池系统的一个实施例的剖面示意图;
图3是根据本公开一个方面的用在图1中的车辆中的蓄电池模块的一个实施例的俯视分解透视图;
图4是根据本公开一个方面的图3中的蓄电池模块的一个实施例的透视图;
图5是根据本公开一个方面的图3中的蓄电池模块的一个实施例的前视图;
图6是根据本公开的一个方面的沿着图5中的线6-6截取的、用在图3中的蓄电池模块的卡扣式延伸部和汇流条桥的一个实施例的前视示意图;
图7是根据本公开一个方面的用在图3中的蓄电池模块中的卡扣式延伸部、汇流条桥和其他部件的一个实施例的侧视示意图;
图8是根据本公开一个方面的用在图3中的蓄电池模块中的引导壁和汇流条桥的一个实施例的前视示意图;
图9是根据本公开一个方面的用在图3中的蓄电池模块中的引导壁、汇流条桥和其他部件的一个实施例的侧视示意图;
图10是根据本公开一个方面的汇流条桥的一个实施例的顶部示意图;以及
图11是根据本公开一个方面的用在图3中的蓄电池模块中的电通路的一个实施例的示意图;以及
图12是根据本公开一个方面的用于固定图3中的蓄电池模块的汇流条桥的方法的一个实施例的工艺流程图。
具体实施方式
下文将描述一个或多个具体实施例。为简要描述这些实施例,本说明书中并未描述实际实施方式的所有特征。应认识到,在开发任何此类实际实施方式时,如同在进行任何工程或设计项目一样,必须做出众多特定于具体实施方式的决定,以实现开发人员的具体目标,例如是否符合系统相关和业务相关约束,这些约束可能会随着实施方式的不同而有所不同。此外,应认识到,此类开发工作可能较为复杂并且耗时,但是尽管如此,这也应当是受益于本公开的本领域技术人员在设计、生产和制造中的常规任务。
本文所描述的蓄电池系统可用于为各种类型的电动车辆(xEV)和其它高电压储能器/消耗应用(例如,电网储电系统)提供电力。此类蓄电池系统可包括一个或多个蓄电池模块,每个蓄电池模块均具有多个蓄电池单元(例如,锂离子(Li离子)电化学电池单元),所述多个蓄电池单元被布置和电气互连成提供可用于为例如xEV的一个或多个部件供电的特定电压和/或电流。作为另一个实例,根据这些实施例的蓄电池模块可并入固定电力系统(例如,非机动车系统)或为所述固定电力系统供电。
根据本公开的实施例,所述蓄电池模块可以包括设置在蓄电池模块的外壳中的一组电气互连的电化学电池单元。所述蓄电池模块还可以包括两个端子(例如,模块端子或主要端子),这两个端子从所述外壳向外延伸并且配置成联接到负载以为负载供电。两个对应的电通路可以限定在所述蓄电池模块的所述一组电气互连的电化学电池单元与所述两个对应端子之间。例如,第一电通路可以在所述蓄电池模块的所述一组电气互连的电化学电池单元与第一端子(例如,第一主要端子)之间建立。第二电通路可以在所述蓄电池模块的所述一组电气互连的电化学电池单元与第二端子(例如,第二主要端子)之间建立。
在某些实施例中,所述蓄电池模块的所述一组电气互连的电化学电池单元与两个端子之间的电通路可以包括第一材料与第二材料之间的对应过渡。例如,电化学电池单元可以经由包括第一材料(例如,铝)的汇流条电气互连。配置成联接到负载的所述两个主要端子(和/或蓄电池模块的其他部件,例如分流器)可以包括第二材料(例如,铜),所述第二材料的成本可小于第一材料,但是可能与电化学电池单元不相容,因此无法用于汇流条。因此,使得第一材料与第二材料(例如,其分别是汇流条和主要端子的材料)之间过渡的部件可以包括在第一电通路和第二电通路中。例如,双金属汇流条可以设置在第一电通路和第二电通路中,以使得每个通路中能够实现从(汇流条的)第一材料向(主要端子的)第二材料过渡。双金属汇流条可以是双金属材质的,并且可以各自包括第一端和第二端,所述第一端具有第一材料并且联接到电通路的具有第一材料的第一部件(例如,一个电化学电池单元的端子或从一个电化学电池单元的一个端子延伸的汇流条),以及所述第二端具有第二材料并且联接到电通路的具有第二材料的第二部件(例如,汇流条桥)。每个电通路的所述汇流条桥可以在对应双金属汇流条与蓄电池模块的另一个对应部件(例如,具有第二材料的分流器或者继电器)之间延伸。具有第二材料的额外汇流条桥也可以包括在每个电通路中,如下文参见附图所述的,以将电通路与具有第二材料的主要端子联接。
为将汇流条桥联接到电通路的适当部件,汇流条桥可以在任一端被焊接(例如,焊接到第一端上的双金属汇流条以及第二端上的分流器或者继电器,如上所述)。但是,为能够高效生产根据本公开实施例的蓄电池模块,蓄电池模块的外壳可以包括卡扣式延伸部或者引导壁,以便临时保持汇流条桥或者沿一个或多个方向支撑汇流条桥。例如,所述卡扣式延伸部或者引导壁可以与蓄电池模块的外壳一体形成,并且可以配置成接纳汇流条桥并且能够实现保持汇流条桥(例如,通过阻挡汇流条桥沿着一个或多个方向移动),同时便于将汇流条桥的焊接点暴露于焊接工具。换而言之,在某些实施例中,所述卡扣式延伸部或引导壁使得能够在蓄电池模块沿着一个或多个方向定向时,保持汇流条桥。因此,归因于卡扣式延伸部或引导柱的保持能力互补,以及归因于焊接工具沿汇流条桥的焊接点的定位以将汇流条桥焊接到电通路的适当部件,可以在蓄电池模块被定向时将汇流条桥保持在适当的位置。此外,保持机构(例如,卡扣式特征)可以是最小侵入性的(例如,通过保持机构的大小设置和/或定位),以使焊接工具可以接近汇流条桥的焊接点,从而更永久地将汇流条桥固定在电通路中。
为帮助说明,图1是可以利用再生制动系统的车辆10的一个实施例的透视图。尽管以下说明是相对于具有再生制动系统的车辆进行的,但是本文中所述的技术可适应使用电池捕集/储存电能的其他车辆,所述其它车辆可包括电动和燃油动力车辆。
如上所述,期望蓄电池系统12在很大程度上与传统车辆设计相兼容。因此,蓄电池系统12可以设置在车辆10中本应容纳传统蓄电池系统的位置处。例如,如图所示,车辆10可以包括蓄电池系统12,所述蓄电池系统类似设置在与传统内燃机车辆的铅酸电池类似的位置处(例如,车辆10的发动机罩下方)。此外,如下文详述的,蓄电池系统12可以定位成便于管理蓄电池系统12的温度。例如,在一些实施例中,将蓄电池系统12定位在车辆10的发动机罩下方则可使空气通道能够将气流输送到蓄电池系统12上方并且冷却蓄电池系统12。
图2中示出了蓄电池系统12的更详细的视图。如图所示,蓄电池系统12包括联接到点火系统14、交流发电机15、车辆控制台16并且可选地联接到电动机17的储能部件13。通常,储能部件13可以捕集/储存车辆10中产生的电能,并且输出电能以为车辆10中的电气装置供电。
换而言之,蓄电池系统12可以向车辆电气系统的部件提供电力,这些车辆电气系统部件可以包括散热器冷却风扇、气候控制系统、电动转向系统、主动悬架系统、自动泊车系统、电动油泵、电动机械增压器/涡轮增压器、电动水泵、加热挡风玻璃/除雾器、窗玻璃升降电动机、阅读灯、胎压监测系统、天窗电动机控制器、电动座椅、警报系统、信息娱乐系统、导航功能部件、车道偏离警告系统、电动停车制动器、外部灯或者它们的任意组合。说明性地,在图示的实施例中,储能部件13向车辆控制台16和点火系统14提供电力,所述车辆控制台和点火系统可用于启动(例如,使用曲柄启动)内燃机18。
此外,储能部件13可以捕集交流发电机15和/或电动机17产生的电能。在一些实施例中,交流发电机15可以在内燃机18运行时产生电能。具体来说,交流发电机15可以将内燃机18旋转所产生的机械能转换成电能。附加地或替代地,当车辆10包括电动机17时,电动机17可以通过将车辆10移动(例如,车轮旋转)所产生的机械能转换成电能来产生电能。因此,在一些实施例中,在再生制动期间,储能部件13可以捕集交流发电机15和/或电动机17产生的电能。因此,交流发电机15和/或电动机17在本文中通常称为再生制动系统。
为便于捕集和供应电能,储能部件13可以经由总线19电联接到车辆的电气系统。例如,总线19可以使储能部件13能够接收交流发电机15和/或电动机17产生的电能。此外,总线19可以使储能部件13能够将电能输出到点火系统14和/或车辆控制台16。因此,当使用12伏蓄电池系统12时,总线19可以输送通常在8-18伏之间的电力。
此外,如图所示,储能部件13可以包括多个蓄电池模块。例如,在图示的实施例中,储能部件13包括锂离子(例如,第一)蓄电池模块20和铅酸(例如,第二)蓄电池模块22,所述蓄电池模块各自包括一个或多个蓄电池单元。在其他实施例中,储能部件13可以包括任意数量的蓄电池模块。此外,尽管锂离子蓄电池模块20和铅酸蓄电池模块22图示成彼此相邻,但是它们可以位于车辆的不同区域中。例如,铅酸蓄电池模块22可以定位在车辆10的内部中或者周围,而锂离子蓄电池模块20可以位于车辆10的发动机罩下方。
在一些实施例中,储能部件13可以包括利用多种不同蓄电池化学性质的多个蓄电池模块。例如,当使用锂离子蓄电池模块20时,蓄电池系统12的性能可以得到改进,因为锂离子蓄电池化学性质通常具有相对于铅酸蓄电池化学性质而言较高的库伦效率和/或较高的充电接收率(例如,较高的最大充电电流或充电电压)。因此,可以提高蓄电池系统12的捕集、储存和/或分配效率。
为便于控制电能的捕集和储存,蓄电池系统12还可以包括控制模块24。更具体地说,控制模块24可以控制蓄电池系统12中的部件的操作,例如,储能部件13内的继电器(例如,开关)、交流发电机15和/或电动机17。例如,控制模块24可以调节每个蓄电池模块20或22所捕集/供应的电能的量(例如,降低或重新设定蓄电池系统12的电气性能)、执行蓄电池模块20和22之间的负载平衡、确定每个蓄电池模块20或22的充电状态、确定每个蓄电池模块20或22的温度、控制交流发电机15和/或电动机17所输出的电压等等。
因此,控制单元24可以包括一个或多个处理器26以及一个或多个存储器28。更具体地说,所述一个或多个处理器26可以包括一个或多个专用集成电路(ASIC)、一个或多个现场可编程门阵列(FPGA)、一个或多个通用处理器或者它们的任意组合。此外,所述一个或多个存储器28可以包括易失性存储器(例如,随机存取存储器(RAM))和/或非易失性存储器,例如,只读存储器(ROM)、光盘驱动器、硬盘驱动器或者固态驱动器。在一些实施例中,控制单元24可以包括车辆控制单元(VCU)的多个部分和/或单独的电池控制模块。
图3中示出了用在图2中的车辆10中的蓄电池模块20的一个实施例的俯视分解透视图。在图示的实施例中,蓄电池模块20(例如,锂离子(Li-ion)蓄电池模块)包括外壳30以及设置在外壳30内的电化学电池单元32(例如,棱柱形锂离子(Li-ion)电化学电池单元)。在图示的实施例中,六个棱柱形锂离子电化学电池单元32以两个电池组34、每个电池组34中具有三个电化学电池单元32的形式设置在外壳30内。但是,在其他实施例中,蓄电池模块20可以包括任意数量的电化学电池单元32(例如,2、3、4、5、6、7、8、9、10个或者更多个电化学电池单元),包括任意类型的电化学电池单元32(例如,锂离子、锂聚合物、铅酸、镍镉或者镍金属氢化物、棱柱形和/或圆柱形电化学电池单元),以及包括电化学电池单元32的任意布置(例如,堆叠、单独或者区块化的电池)。
如图所示,电化学电池单元32可以包括向上延伸(例如,沿方向37)的端子36(例如,电池单元端子、次要端子)。此外,端子36可以延伸到设置在外壳30的上侧40中或者外壳30的表面中的开口38中。例如,电化学电池单元32可以从上侧40中的开口38插入外壳30中,并且定位在外壳30内,以使电化学电池单元32的端子36设置在开口38中。汇流条载体42可以设置在开口38中,并且可以保持设在其上的并且配置成与电化学电池单元32的端子36相互作用的汇流条44,。例如,汇流条44可以与端子36相互作用,以将相邻的电化学电池单元32电联接在一起(例如,以形成一组电气互连的电化学电池单元32)。汇流条44可以安装或者设置在汇流条载体42的上表面或下表面或者表面上,或安装或设置为邻近汇流条载体42的上表面或下表面或者表面(例如,其背对电化学电池单元32或面对电化学电池单元32)。但是,在其他实施例中,蓄电池模块20可以不包括汇流条载体42并且汇流条44可以直接设置在端子36上。
根据该实施例,汇流条44可以将电化学电池单元32串联、并联,或者将一些电化学电池单元32串联,或者将一些电化学电池单元32并联。通常,汇流条44实现一组电气互连的电化学电池单元32。此外,某些汇流条44可以配置成使该组电气互连的电化学电池单元32与蓄电池模块20的主要端子46(例如,模块端子)电联接,其中主要端子46配置成联接到负载(例如,车辆10的部件),以为负载供电。盖54可以设置在汇流条载体42上方,以密封蓄电池模块20的外壳30中的开口38,并且/或者保护汇流条44、设置在汇流条载体42上的其他部件和/或蓄电池模块20的其他部件。
根据本公开的实施例,汇流条44(例如,设置在汇流条载体42上)可以包括两个主要汇流条56,所述两个主要汇流条56配置成使该组电气互连的电化学电池单元32与主要端子46之间能够电气连通。例如,所述两个主要汇流条56可以延伸到汇流条载体42的周界58以外(例如,沿方向61),并且可以各自限定该组电气互连的电化学电池单元32与主要端子46之间的对应电通路的至少一部分。主要汇流条56可以包括与电化学电池单元32的端子36的材料对应、并且与汇流条44(例如,次要汇流条或电池单元汇流条)对应的第一材料(例如,铝)。根据本公开的实施例,每个主要汇流条56可以从该组电气互连的电化学电池单元32向在该组电气互连的电化学电池单元32与对应主要端子46之间延伸的对应电通路的另一个部件延伸。
例如,主要端子56可以各自向对应的双金属汇流条59延伸,从而有助于电通路从第一材料(例如,铝)向第二材料(例如,铜)过渡,这点将在下文参照后续附图详述。在图示的实施例中,仅示出了位于一个电通路中的一个双金属汇流条59,但是应注意,其他电通路也可以包括双金属汇流条59。如图所示,双金属汇流条59可以在第一端上联接至主要汇流条56,并且在第二端上联接至电通路的另一个部件。例如,在图示的实施例中,其中一个电通路(例如,具有图示的双金属汇流条59)包括分流器60,所述分流器联接到蓄电池模块20的印刷电路板(PCB)62,其中分流器60包括第二材料(例如,铜),并且PCB 62通常在分流器60中检测电通路和蓄电池模块20的电压、温度和/或其他重要参数。根据本公开的实施例,具有第二材料(例如,铜)的汇流条桥64可以在分流器60的任一端上包括在电通路中。例如,一个汇流条桥64在双金属汇流条59的第二端(例如,铜端)与分流器60之间延伸,并且与它们联接。应注意,在图示的实施例中,由于外壳30的阻挡而看不到汇流条桥64与双金属汇流条59的联接。另一个汇流条桥64在分流器60与电通路的另一个部件(例如,主要端子46或者汇流条桥64与主要端子46之间的连接零件)之间延伸,并且与它们联接。应注意,在图示的实施例中,由于外壳30的阻挡而看不见汇流条桥64与电通路的所述另一个部件(例如,主要端子46或者主要端子46与汇流条桥64之间的连接零件)的联接。
根据本公开,汇流条桥64可以通过从外壳30延伸(例如,与外壳30一体形成)的卡扣式延伸部或者引导壁而至少临时被保持(例如,在焊接到上述电通路的部件之前),其中卡扣式延伸部或引导壁阻挡汇流条桥64沿至少一个方向或者沿一个轴线(例如,沿轴线37[相对于汇流条桥64的纵向轴线]、轴线61[沿汇流条桥64的厚度的轴线]或者轴线66[沿汇流条桥64的宽度的轴线])移动。应注意,汇流条桥64可以联接到蓄电池模块20中除了PCB62以外的部件(例如,联接到继电器或者开关)。例如,在图示的实施例中,汇流条桥64仅图示成用于一个电通路,但是其他电通路也可以包括联接到继电器或开关的汇流条桥64。还应注意,在其他实施例中,电通路可以包括便于在第一材料与第二材料之间过渡的其他部件,并且汇流条桥64可以联接到此类其他部件。
现在参见图4和图5,其分别示出了图3中的蓄电池模块20的一个实施例的透视图和前视图。在图示的实施例中,如上所述,一个电通路的分流器60可以联接到PCB 62,其中PCB 62(或者PCB 62或蓄电池模块20的信号)检测和/或分析蓄电池模块20的操作参数或状况(例如,具有分流器60的电通路)。电通路还包括汇流条桥64,所述汇流条桥64将分流器60电联接到蓄电池模块20的外壳30内的电气互连的电化学电池单元32,并且电联接到蓄电池模块20的主要端子46(例如,主要端子46配置成联接到负载)。此外,如上所述,外壳30可以包括卡扣式延伸部70(或者引导壁),汇流条桥64延伸穿过所述卡扣式延伸部70(或者引导壁),其中卡扣式延伸部70沿一个或多个方向(例如,沿轴线37、轴线61、轴线66或者它们的组合)保持汇流条桥64(例如,阻挡汇流条桥64移动)。
如图示的实施例中所示,蓄电池模块20可以包括用于每个主要端子46的一个电通路。例如,如图所示,一个电通路延伸通过联接到PCB 62的分流器60,而另一个电通路延伸通过蓄电池模块20的继电器71。继电器71可以是使得能够将电通路联接或断开联接的开关(或者包括开关机构)。例如,继电器71的开关机构可以断开,以断开蓄电池模块20的两个主要端子46之间的电路(该电路具有该组电气互连的电化学电池单元32和两个电通路)。继电器71的开关机构可以闭合,以连接蓄电池模块20的两个主要端子46之间的电路。具有继电器71(或者联接到继电器71)的电通路还可以包括汇流条桥64,其中汇流条桥64从继电器71的一端或者继电器71的部件延伸。因此,电通路从电化学电池单元32通过双金属汇流条59、通过其中一个汇流条桥64、通过继电器71(或者其部件)、通过另一个汇流条桥64,并且延伸到主要端子46。
应注意,卡扣式延伸部70可以包括钩72,所述钩在母线桥64上方向内延伸。例如,图6中示出了沿图5中的线6-6截取、并且用于图3中的蓄电池模块20中的一对卡扣式延伸部70的一个实施例的横截面示意图。在图示的实施例中,每个卡扣式延伸部70均包括向该对中的另一个延伸部70延伸的钩72(例如,三角形、直角三角形、三棱柱、尖形、尖钩)。例如,每个钩72可以包括指向另一个延伸部70的尖73。换而言之,每个钩72均可以是具有向尖73倾斜的向下且向内倾斜表面74的三角形(例如,直角三角形)。表面74可以使得能够推动汇流条桥64穿过表面74进入每个钩72的平坦下表面77下方的位置中,其中每个钩72的平坦下表面77可以大体上平行于汇流条桥64的上表面79。此外,钩72可以便于至少临时地沿方向61保持汇流条桥64(例如,通过阻挡汇流条桥64沿方向61移动)。卡扣式延伸部70的壁柱75可以便于至少临时地沿方向66保持汇流条桥64(例如,通过阻挡汇流条桥64沿方向66移动)。
图7中示出了卡扣式延伸部70、汇流条桥64、分流器60和PCB 62的一个实施例的侧视示意图。在图示的实施例中,汇流条桥64是S形的,并且包括第一基部80、第二基部82以及在第一基部80与第二基部82之间延伸的S形弯曲部84。第一基部80配置成联接(例如,焊接)到电通路的部件(未图示)(例如,如参考图3-图5所述)。如上所述,第二基部82可以配置成联接(例如,焊接)到分流器60。在图示的实施例中,卡扣式延伸部70通常沿方向37设置在第一基部80附近(例如,与其成直线)。但是,在其他实施例中,卡扣式延伸部70可以设置在汇流条桥64的S形弯曲部84、汇流条桥64的第二基部82、第一基部80(如上所述)或者它们的组合附近(例如,与其成直线)。通常,卡扣式延伸部70沿着至少一个方向(例如,方向66、方向37、方向61或者它们的组合)保持汇流条桥64(例如,阻挡它的至少一部分移动)。例如,卡扣式延伸部70可以经由(例如,沿方向61)接触汇流条桥64的上表面79(如图7中所示)的钩72(例如,图6中所示),经由(例如,沿方向37)接触汇流条桥64的S形弯曲部84(如图7中所示)的钩72(如图6中所示),并且经由(例如,沿方向66)接触汇流条桥64的侧面的卡扣式延伸部70来阻挡汇流条桥64的至少一些移动。但是,在一些实施例中,如箭头99(如图7中所示)所示,卡扣式延伸部70可以在汇流条桥64的上表面79的上方以及在S形弯曲部84的上方延伸,以使在沿方向37滑动时,S形弯曲部84不与钩72接触(如图6中所示)。在此类实施例中,卡扣式延伸部70仅可以阻挡汇流条桥64在方向66和61上的移动。
应注意,在一些实施例中,可以设置引导壁90(例如,延伸部)以作为卡扣式延伸部70的替代或补充。例如,图8中示出了引导壁90和汇流条桥64的一部分的横截面示意图。在图示的实施例中,引导壁90仅包括壁柱75(例如,无钩)。因此,引导壁90仅可以阻挡汇流条桥64在方向66上的移动(至少临时地)。然而,在另一个实施例中,引导壁90可以包括钩(例如,图3-7中所示的钩72),并且因此,在具有钩的实施例中可以称为卡扣式延伸部。此外,应注意,“延伸部”同时包括卡扣式延伸部70和引导壁90。
图9中示出了引导壁90的侧视示意图。在图示的实施例中,引导壁90设置在S形弯曲部84附近(例如,与其成直线)。但是,引导壁90可以设置在汇流条桥64的任何部分附近(例如,与其成直线),包括S形弯曲部84、第一基部80、第二基部82,或者它们的组合。
还应注意,在某些实施例中,引导壁90(或者卡扣式延伸部70)可以不成对设置并且/或者可以沿汇流条桥64的其他表面设置。例如,图10中示出了汇流条桥64的俯视示意图。在该图示的实施例中,汇流条桥64包括沿汇流条桥64的第一基部80、S形弯曲部84和第二基部82延伸的两个纵向侧面100、102。汇流条桥还包括在纵向侧面100、102之间延伸的两个横向侧面104、106,其中第一横向侧面104沿汇流条桥64的第一基部80延伸,而第二横向侧面106沿汇流条桥64的第二基部82延伸。一个或多个引导壁90或卡扣式延伸部70可以沿任一个纵向侧面100、102和/或横向侧面104、106设置。
应注意,在图示的实施例中,汇流条桥64的尺寸和形状被设置为,使得如果围绕轴线66旋转180度,汇流条桥64大体定位在相同的位置,并且能够实现与汇流条桥64围绕轴线66旋转180度之前相同的目标功能和连接。换而言之,由于汇流条桥64的S形性质,汇流条桥64可以围绕轴线66翻转180度,并且仍然在电通路中装配到位。此特征可提高零件的生产简易性和可互换性。还应注意,根据本公开实施例,一个电通路的所有汇流条桥64的形状和尺寸可以大体相同。此特征还能够提高零件的生产简易性和可互换性。在一些实施例中,整个蓄电池模块20的所有汇流条桥64可以是可互换的。
图11中示出了蓄电池模块20的电通路120的一个实施例的示意图。电通路120在蓄电池模块20的一个电化学电池单元32或者两个或更多个电气互连的电化学电池单元32(例如,可任选地图示成虚线)与一个主要端子76(例如,模块端子)之间延伸。在图示的实施例中,电通路120包括汇流条桥64,并且可以包括任意数量的其他部件。图示的实施例还包括一个或多个卡扣式延伸部70和/或引导壁90。如图所示,卡扣式延伸部70和/或引导壁90可以沿汇流条桥64的任意侧面或表面设置。还应注意,如前所述,可以设置多个汇流条桥64和对应的卡扣式延伸部70和/或引导壁90。卡扣式延伸部70和/或引导壁90在将汇流条桥焊接到电通路120中的适当位置之前、之间和/或之后提供汇流条桥64的至少临时的保持。
图12中示出了用于固定图3中的蓄电池模块20的汇流条桥64的方法150的一个实施例的工艺流程图。方法150包括将汇流条桥64定位在一个或多个延伸部(例如,卡扣式延伸部70或引导壁90)附近(框152)。例如,汇流条桥64可以定位在一对延伸部之间,其中延伸部阻挡汇流条桥64在至少一个方向上的移动。
方法150还包括将汇流条桥64定位在电通路120内(框154)。例如,汇流条桥64可以定位在电通路120内,以使得汇流条桥64处于适当位置以被焊接到一个或多个部件(例如,双金属汇流条59、分流器60、继电器71或者电通路120的一些其他部件)。实际上,汇流条桥64可以定位成与电通路120的一个或多个部件接触。
此外,方法150包括定向蓄电池模块20,以使得焊接工具能够接触汇流条桥64的焊接点(框156)。例如,如上所述,可以定位延伸部(例如,卡扣式延伸部70和/或引导壁90),以使得焊接工具能够接触汇流条桥64的焊接点,并且使得汇流条桥64在焊接过程中保持在适当位置。因此,蓄电池模块20可以移动,以使焊接工具能够接触焊接点,同时延伸部能够将汇流条桥64保持到位。
进一步地,方法150包括将汇流条桥64焊接到电通路120的适当部件(框158)。例如,焊接工具可以加热汇流条桥64的焊接点,并且/或者压靠汇流条桥64,以将汇流条桥64焊接到电通路120的适当部件。附加地或替代地,其他焊接工艺可以用于将汇流条桥64焊接到位。适用于将汇流条桥64焊接到电通路120的适当部件的任何焊接工艺(例如,超声焊接、激光焊接、扩散焊接)均在本公开实施例的范围内。
所公开的实施例中的一个或多个单独地或者组合地可提供有益于制造蓄电池模块以及蓄电池模块的多个部分的一个或多个技术效果。通常,本公开实施例包括蓄电池模块,所述蓄电池模块具有在蓄电池模块的一组电气互连的电化学电池单元与主要端子(例如,模块端子)之间延伸的电通路。电通路可以各自包括一个或多个汇流条桥。外壳的卡扣式延伸部或引导壁可以使得能够在汇流条桥焊接到电通路的适当位置中之前、之间和/或之后,至少临时地保持汇流条桥。说明书中的技术效果和技术问题仅为示例性地,但是并非限定性的。应注意,本说明书中所述的实施例可以具有其他技术效果,并且可以解决其他技术问题。
上文已经以示例方式描述了上述具体实施例,但是应了解,这些实施例可以受到各种修改以及具有替代形式。应进一步了解,权利要求书并非旨在被限于所公开的特定形式,而是旨在涵盖落入本公开的精神实质和范围内的所有修改、等效方案和替代方案。
Claims (24)
1.一种锂离子(Li-ion)蓄电池模块,包括:
一组电气互连的电化学电池单元;
蓄电池模块端子,所述蓄电池模块端子配置成联接到负载以为所述负载供电;
电通路,所述电通路在所述一组电气互连的电化学电池单元与所述蓄电池模块端子之间延伸,其中所述电通路包括汇流条桥;以及
外壳,其中所述一组电气互连的电化学电池单元设置在所述外壳内,并且所述外壳包括一对延伸部,所述一对延伸部沿所述汇流条桥的侧面定位,并且配置成保持所述汇流条桥并且阻挡所述汇流条桥在至少一个方向上的移动。
2.根据权利要求1所述的锂离子蓄电池模块,其中所述一对延伸部配置成仅阻挡所述汇流条桥沿所述汇流条桥的横向轴线的移动。
3.根据权利要求1所述的锂离子蓄电池模块,其中所述一对延伸部配置成仅阻挡所述汇流条桥沿所述汇流条桥的横向轴线以及所述汇流条桥的与所述横向轴线垂直的纵向轴线的移动。
4.根据权利要求1所述的锂离子蓄电池模块,其中所述一对延伸部配置成仅阻挡所述汇流条桥沿所述汇流条桥的横向轴线、所述汇流条桥的与所述横向轴线垂直的纵向轴线,以及垂直于所述横向轴线和纵向轴线两者的沿所述汇流条桥的厚度的轴线的移动。
5.根据权利要求1所述的锂离子蓄电池模块,其中所述汇流条桥包括S形形状,其具有第一基部、第二基部以及在所述第一基部与所述第二基部之间延伸的S形弯曲部。
6.根据权利要求5所述的锂离子蓄电池模块,其中所述汇流条桥的所述第一基部在所述一对延伸部中的延伸部之间延伸。
7.根据权利要求5所述的锂离子蓄电池模块,其中S形弯曲部在所述一对延伸部中的延伸部之间延伸。
8.根据权利要求5所述的锂离子蓄电池模块,其中所述外壳包括一对额外的延伸部,所述一对额外的延伸部沿所述汇流条桥的侧面定位,并且配置成保持所述汇流条桥并且阻挡所述汇流条桥沿至少一个方向的移动,其中所述汇流条桥的所述第一基部在所述一对延伸部中的延伸部之间延伸,其中所述汇流条桥的所述第二基部在所述一对额外的延伸部中的额外延伸部之间延伸,并且其中所述一对延伸部以及所述一对额外的延伸部沿大体平行于所述汇流条桥的S形弯曲部的至少一部分的第一垂直方向延伸。
9.根据权利要求1所述的锂离子蓄电池模块,其中所述一对延伸部中的每个延伸部均包括钩,所述钩朝向所述一对延伸部中的另一延伸部延伸并且在所述汇流条桥的至少一部分的上方延伸。
10.根据权利要求9所述的锂离子蓄电池模块,其中每个延伸部的所述钩包括对应的直角三角形,其具有面对所述汇流条桥的第一部分的并且平行于所述汇流条桥的所述第一部分的基底。
11.根据权利要求1所述的锂离子蓄电池模块,其中所述一组的电气互连的电化学电池单元包括一组电气互连的棱柱形锂离子(Li-ion)电化学电池单元。
12.根据权利要求1所述的锂离子蓄电池模块,其中所述汇流条桥定位在所述一对延伸部附近,以使得所述汇流条桥的第一焊接点露出足够的间隙,以经由所述一对延伸部的第一侧上的焊接工具接触,并且使得所述汇流条桥的第二焊接点露出足够的间隙,以经由所述一对延伸部的与所述第一侧相对的第二侧上的焊接工具接触。
13.根据权利要求1所述的锂离子蓄电池模块,其中所述蓄电池模块包括分流器,并且所述汇流条桥焊接到所述分流器。
14.根据权利要求1所述的锂离子蓄电池模块,其中所述一对延伸部在所述汇流条桥的第一基部的第一表面上方延伸。
15.根据权利要求1所述的锂离子蓄电池模块,其中所述蓄电池模块包括继电器开关机构,并且所述汇流条桥联接到所述继电器开关机构的部件。
16.根据权利要求1所述的锂离子蓄电池模块,其中所述外壳和所述一对延伸部是塑料的,并且所述一对延伸部与所述外壳一体形成。
17.一种锂离子(Li-ion)蓄电池模块,包括:
外壳;
设置在所述外壳中的多个电化学电池单元;
所述蓄电池模块的主要端子;以及
在所述蓄电池模块的所述多个电化学电池单元与所述主要端子之间延伸的电通路,其中所述电通路包括S形汇流条桥,所述S形汇流条桥具有第一基部、第二基部以及在所述第一基部与所述第二基部之间延伸的S形弯曲部,其中所述外壳包括向上延伸并且在所述S形汇流条桥的第一侧附近的第一延伸部,以及向上延伸并且在所述S形汇流条桥的与所述第一侧相对的第二侧附近的第二延伸部,并且其中所述第一延伸部和第二延伸部配置成阻挡所述S形汇流条桥沿所述S形汇流条桥的至少一个轴线的移动。
18.根据权利要求17所述的锂离子蓄电池模块,其中第一和第二延伸部共同配置成至少阻挡所述S形汇流条桥沿所述S形汇流条桥的第一轴线以及所述S形汇流条桥的垂直于所述第一轴线的第二轴线的移动。
19.根据权利要求17所述的锂离子蓄电池模块,其中第一和第二延伸部共同配置成至少阻挡所述S形汇流条桥沿所述S形汇流条桥的第一轴线、所述S形汇流条桥的垂直于所述第一轴线的第二轴线,以及所述S形汇流条桥的垂直于所述第一轴线和第二轴线的第三轴线的移动。
20.根据权利要求17所述的锂离子蓄电池模块,其中所述第一延伸部包括朝向所述第二延伸部延伸的第一尖边缘,并且所述第二延伸部包括朝向所述第一延伸部延伸的第二尖边缘。
21.一种锂离子(Li-ion)蓄电池模块,包括:
电通路,所述电通路在所述蓄电池模块的一组电气互连的电化学电池单元与端子之间延伸,其中所述端子配置成联接到负载以为所述负载供电;
所述电通路的汇流条桥;以及
至少一个卡扣式延伸部,所述至少一个卡扣式延伸部与所述蓄电池模块的外壳一体形成,并且设置成紧邻所述汇流条桥,其中所述至少一个卡扣式延伸部包括钩,所述钩在所述汇流条桥上方延伸,并且所述至少一个卡扣式延伸部配置成至少临时地阻挡所述汇流条桥沿着至少一个方向的移动。
22.根据权利要求21所述的锂离子蓄电池模块,其中所述钩包括第一直角三角形,所述第一直角三角形具有面对所述汇流条桥的基部的并且平行于所述基部的平坦的下表面。
23.根据权利要求21所述的锂离子蓄电池模块,其中所述汇流条桥是S形汇流条桥,其具有第一基部、第二基部以及在所述第一基部与所述第二基部之间延伸的S形弯曲部。
24.根据权利要求21所述的锂离子蓄电池模块,其中所述至少一个卡扣式延伸部设置成紧邻所述汇流条桥的所述基部,以使得所述钩在所述汇流条桥的所述基部的上方延伸。
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