CN102403469B - 可互换电池组设备及方法 - Google Patents

可互换电池组设备及方法 Download PDF

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CN102403469B
CN102403469B CN201110241280.1A CN201110241280A CN102403469B CN 102403469 B CN102403469 B CN 102403469B CN 201110241280 A CN201110241280 A CN 201110241280A CN 102403469 B CN102403469 B CN 102403469B
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connector
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L.海恩
G.普尼斯
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Honeywell International Inc
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514Methods for interconnecting adjacent batteries or cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/528Fixed electrical connections, i.e. not intended for disconnection
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    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/571Methods or arrangements for affording protection against corrosion; Selection of materials therefor
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    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M50/50Current conducting connections for cells or batteries
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    • H01M50/574Devices or arrangements for the interruption of current
    • H01M50/583Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

公开了一种可互换电池组设备及方法,其包括顶部壳体,所述顶部壳体具有印刷电路板和连接器,用于电连接一对电池以便关于外部装置提供电能。底部壳体具有多个电池部件用于连接所述电池并且可经由紧固件联接到所述顶部壳体以形成电池组,以便保护所述电池免于潮湿和腐蚀性环境的影响。所述电池组能够被可互换地用作可更换电池组和/或坚固化的灌注电池组。

Description

可互换电池组设备及方法
技术领域
多个实施例一般地涉及电池封装方法及系统。多个实施例还涉及固有安全的锂电池组。多个实施例还涉及用于提供固有安全的电池组的可互换封装方法。
背景技术
电池组一般包括一组(优选地)相同的电池或多个单独的电池单元(batterycell)。电池组可通常以可拆卸的方式附接到外部应用装置(例如发射器)以向该装置供应电能,或者其可附接到电池充电器以便充电。位于电池组上的电池通常布置在基础支撑件上,借助于覆盖在电池上的盖子而被压在支撑件上,并且固定到基础支撑件。电池的端子可借助于将电池保持于电池组中的弹簧和多个电池间连接器彼此电连接(例如,串联、并联或二者的混合),并且输送期望的电压、容量和功率密度。
固有安全电池组可定义为一种单元组,其能量被限制到一点,从而在各种环境中适当地应用时不会导致点燃。最近的现有技术电池组设计在危险环境中不是固有安全的。这种现有技术电池组设计不能提供对于潮湿和腐蚀性环境中的电池的坚固化防护。另外,这种电池组不提供用于在危险环境中更换附接到应用装置的电池的经保护的手段。
基于前面所述,相信需要一种改进的可互换电池组设备和方法。如本文中更详细描述的,还需要用于提供固有安全电池组的可互换封装方法。
发明内容
以下提供的发明内容有助于理解所公开实施例的独特的一些创造性特征,并且不意图成为完整的描述。总的说来,可通过全部说明书、权利要求书、附图以及摘要来获得对本文公开的多个实施例的各种方面的完整了解。
因此,所公开实施例的一个方面是提供一种改进的可互换电池组设备和方法。
所公开实施例的另一个方面是提供一种改进的用于提供固有安全电池组的可互换封装方法。
现在可如本文所述地实现前述方面以及其他目标和优点。本文公开了可互换电池组设备和方法。顶部壳体具有印刷电路板和连接器,用于电连接一对电池以便经由位于所述顶部壳体上的一对端板关于外部装置提供电能。底部壳体具有多个电池部件用于连接所述电池并且可经由紧固件联接到所述顶部壳体以形成电池组,以便保护所述电池免于潮湿和腐蚀性环境的影响。所述电池组能够被可互换地用作可更换电池组和/或坚固化的灌注电池组。
可更换电池组包括用于将印刷电路板和连接器连接到电池的弹簧以及用于将电池部件连接到电池的电池连接器。PCB和连接器经由弹簧从电池接收运行电力并向外部装置(例如发射器)提供运行电力。弹簧和电池接触件操作地保持住电池,并且可用下架电池来更换失效电池。坚固化的灌注电池组包括:引线,其用于将印刷电路板和电池部件连接到电池;以及一对灌注孔,其位于顶部壳体上,用于倾注灌注混合物。通过消除弹簧和电池接触件,引线将电池与PCB和电池部件直接连接。这种可互换电池封装方式提供了固有安全电池组并且保护电池免于潮湿和腐蚀性环境的影响。
附图说明
在附图中遍及所有单独的视图,相同的附图标记表示相同或功能相似的元件。附图并入说明书中并形成说明书的一部分,并且进一步示出了本发明。附图与本发明的详细描述一起用于解释本发明的原理。
图1示出了根据所公开实施例的固有安全电池组的透视图;
图2示出了根据所公开实施例的可更换固有安全电池组的示意图;
图3示出了根据所公开实施例的可更换固有安全电池组的底部壳体的透视图;
图4示出了根据所公开实施例的可更换固有安全电池组的顶部壳体的透视图;
图5示出了根据所公开实施例的坚固化的灌注固有安全电池组的示意图;
图6示出了根据所公开实施例的坚固化的灌注固有安全电池组的底部壳体的透视图;
图7示出了根据所公开实施例的坚固化的灌注固有安全电池组的顶部壳体的透视图;并且
图8示出了根据所公开实施例的高水平的操作流程图,表示一种用于将可更换电池组转换成坚固化的灌注电池组的方法的逻辑操作步骤。
具体实施方式
在这些非限制性示例中讨论的具体值和结构可发生变化,并且仅被引用以表示至少一个实施例而不意图限制其范围。
图1示出了根据所公开实施例的固有安全电池组100的透视图。固有安全电池组100可通常用于保护危险环境中的一个或多个电池105和110而同时给外部应用装置(未示出)提供运行电力。请注意,电池组100可容纳例如D尺寸锂电池之类的电池。当然可意识到,也可采用其他类型的电池来实施电池组100。电池组100通常包括底部壳体125和顶部壳体150,其可采用紧固件124连接。紧固件124可包括例如螺钉、铆钉、螺栓等的紧固件。请注意,螺钉122可将电池组100固定到发射器或其他装置。
底部壳体125和顶部壳体150可固定到一起以形成围绕电池105和110的外壳。电池105和110可经由连接器185彼此连接并连接到一对端板142和144。每个端板142和144基于它们各自到电池105和110的连接而或者是阳极的(-)或者是阴极的(+)。电池组100容纳电池105和110以及用于控制电池功能的固有安全性的电池电路180。电池电路180如图2所示包括相关联的电部件并且可通常实施在载有电路的衬底上,例如印刷电路板(PCB)或柔性膜衬底。电池组100可被容纳在由刚性材料形成的箱体中,所述刚性材料根据设计考虑而例如为塑料。壳体125和150密封并且保护电池105和110、内部电池电路130、180以及相关联的电部件。请注意,端板142和144通常提供用于检查电池充电状态的手段,而无需使用连接器185或拆开电池组。
电池组100的充电状态可经由端板142和144以及连接器185确定。电池组100可被连接到多种便携外部装置,例如发射器、接收器、传感器等。这种固有安全电池组100可用作例如图2中所示的可更换固有安全电池组200和/或本文中参照图3所示的坚固化固有安全电池组300的基础。
图2示出了根据所公开实施例的可更换固有安全电池组200的示意图。请注意,在图1-8中,相同的部分或元件通常由相同的附图标记表示。具有一个或多个固有安全电池部件175的底部壳体125可经由一对电池接触件160和165与电池105和110相连。图3示出了根据所公开实施例的底部壳体125的透视图。固有安全部件175提供关于电池105和110的安全且无危险的操作。固有安全部件175通常包括保险丝、电压限制,等等。底部壳体125进一步包括一个或多个紧固件124,该一个或多个紧固件124可关于如图4所示位于顶部壳体150上的一个或多个螺纹孔126定位。
图4示出了根据所公开实施例的顶部壳体150的透视图。具有印刷电路板(PCB)130和连接器143的顶部壳体150可经由一对弹簧140和145以及引线148被电联接到电池105和110,如图2所示。电池105和110可被保持成与PCB130隔开,以便提供PCB130与电池105和110之间的充足空间,用于安装弹簧140和145。位于顶部壳体150以及底部壳体125上的弹簧140和145以及电池接触件160和165将电池105和110保持成与电池组200相关联。
PCB130和连接器143从电池105和110经由弹簧140和145向外部应用装置提供运行电力。PCB130机械地支撑电部件并且使用从层压到非导电衬底上的铜片蚀刻的信号迹线、印制线或导电路径电连接电部件。连接器143将电池组200连接到外部装置。这种可更换固有安全电池组200允许使用经核准的下架电池来更换安装在电池组200上的失效电池。
图5示出了根据所公开实施例的坚固化的灌注固有安全电池组300的示意图。再次提醒,在图1-8中,相同的部分或元件通常由相同的附图标记表示。坚固化的灌注电池组300包括底部壳体125和顶部壳体150,用于关于外部应用装置容纳电池105和110。可通过经由一对灌注孔132和134用灌注混合物315填充电池组300来形成坚固化的灌注电池组300,以便保护电池105和110免于潮湿和腐蚀性环境的影响。
灌注混合物315可被布置在电池组300中,其完全封住相关联的部件的所有表面并且提供关于所述部件的灌注混合物315的均匀厚度。灌注混合物315可构造成消散由部件之一的内部短路产生的热量和/或由多个部件之一的过度充电或过度放电产生的热量,使得电池组组件300的任何外部表面的温度不超过预定温度并且防止部件之一在灌注混合物315中排去(venting)。
请注意,与固有安全电池组200相关联的部件可采用注射模制技术来模制。总体而言,可通过将材料供应到被加热的管筒(例如电池组)混合,并被推送到模具腔体中,在那里,其冷却并硬化到模具腔体的结构,从而构造出电池组部件。这种技术促使固有安全电池组200转换成坚固化灌注固有安全电池组300,用于保护电池105和110免于潮湿和腐蚀性环境的影响。
图6示出了根据所公开实施例的坚固化的灌注电池组300的底部壳体125的透视图。底部壳体125包括固有安全部件175,其经由引线148直接连接到电池端子,用于保护电池组300中的电池105和110。图7示出了根据所公开实施例的坚固化的灌注电池组300的顶部壳体150的透视图。顶部壳体150包括灌注孔132和134,用于将灌注混合物315灌注到电池组300中。顶部壳体150还包括印刷电路板130,其具有电联接到电池105和110的连接器143。
图8示出了根据所公开实施例的高水平的操作流程图,表示一种用于从固有安全电池组100形成可更换固有安全电池组200的方法300的逻辑操作步骤。本文的封装方法400采用相同的封装以制造两种不同类型的电池组(例如可更换电池组200和坚固化的灌注电池组300)。灌注孔132和134可构造在固有安全电池组100的顶部壳体150中,如方框410所示。可消除固有安全电池组100中的弹簧140和145以及电池接触件160和165,如方框420所示。电池105和110可经由引线148与印刷电路板130直接连接,如方框430所示。灌注混合物315可经由灌注孔132和134填充,以便形成坚固化的灌注电池组300,如方框440所示。这种可互换电池封装方式提供了一种电池组,其能高效地被用作可更换电池组200以及坚固化的灌注电池组300。
应当意识到,上面公开的以及其他特征和功能的变形或者其替代物可如期望地组合到许多其他不同系统或应用中。而且,它们之中的各种当前未预见或未预期的替代物、修改、变形或改进可由本领域技术人员后续地实现,这些也意图被所附权利要求涵盖。

Claims (4)

1.一种电池组设备,包括:
顶部壳体,所述顶部壳体具有印刷电路板和连接器,至少两个电池经由所述连接器彼此连接并连接到至少一个阳极端板和至少一个阴极端板,以经由位于所述顶部壳体上的连接器关于外部装置提供电能,并且其中所述至少一个阳极端板和阴极端板被构造成提供用于检查所述电池的充电状态的手段;和
底部壳体,所述底部壳体具有多个电池部件,用于电连接所述至少两个电池,其中,所述底部壳体经由紧固件操作联接到所述顶部壳体以形成电池组,以便保护所述至少两个电池免于潮湿和腐蚀性环境的影响。
2.如权利要求1所述的设备,其中,所述电池组进一步构造成允许更换所述电池组内的所述至少两个电池。
3.一种电池组设备,包括:
顶部壳体,所述顶部壳体具有连接器,至少两个电池经由所述连接器彼此连接并连接到至少一个阳极端板和至少一个阴极端板,以经由位于所述顶部壳体上的连接器关于外部装置提供电能,并且其中所述至少一个阳极端板和阴极端板被构造成提供用于检查所述电池的充电状态的手段;和
底部壳体,所述底部壳体具有多个电池部件,用于电连接所述至少两个电池,其中,所述底部壳体经由紧固件操作联接到所述顶部壳体以形成电池组,以便保护所述至少两个电池免于潮湿和腐蚀性环境的影响。
4.一种电池封装方法,包括:
将位于顶部壳体上的连接器和印刷电路板与至少两个电池电连接,所述至少两个电池经由所述连接器彼此连接并连接到至少一个阳极端板和至少一个阴极端板,以便经由安装在所述顶部壳体上的连接器关于外部装置提供电能,并且其中所述至少一个阳极端板和阴极端板被构造成提供用于检查所述电池的充电状态的手段;并且
将位于底部壳体上的多个电池部件与所述至少两个电池联接,以便之后将所述底部壳体连接到所述顶部壳体,以便形成电池组,以保护所述至少两个电池免于潮湿和腐蚀性环境的影响。
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