CN1341974A - 电池组件 - Google Patents
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Abstract
本发明涉及电池组件。本发明的目的在于提供能够在多个二次电池之间设置间隔,以提高散热性能,在间隔内设置承受施加于二次电池的压力的支持物体的电池组件。该电池组件利用金属板将多个二次电池(2)串联连接或并联连接,利用连接板(5)平行配置的二次电池(2)之间设置间隔W并连结成一整体。又,在将奇数个二次电池(2)加以配置时,可以连接于端部的连接板,配置成变形形状。可以利用间隔W提高二次电池(2)的散热性能,在间隔W内形成支持柱(22)可以防止二次电池(2)受到所加的压力。
Description
技术领域
本发明涉及作为笔记本电脑或便携式信息终端等便携式设备的电源使用的电池组件,特别是涉及考虑到二次电池的放热性能和耐压性能的电池组件。
背景技术
在作为便携式设备的电池电源要求高输出电压和大电池容量的情况下,电池组件是多个二次电池串联和/或并联连接构成的。电池组件系将多个二次电池与构成电源电路的电路基板收容于电池组件盒中形成一整体的形态或是用热收缩管或粘接胶带将其形成一整体的电池组的形态。
随着便携式设备的小型化,也要求电池组件小型化,往往是多个二次电池紧密相靠形成一整体。但是,二次电池充放电时伴随有发热,即使发热很少,也由于多个二次电池紧靠着配置,热量不能得到充分散发。结果,在电池盒封闭的空间内,二次电池温度上升,对与电池温度有关的充放电特性造成不良影响。
消除这样的由于二次电池紧靠配置而产生的弊端的在先专利申请例已知有日本特开2000-100401号公报所述的电池组件。在这里公开的电池组件中,在将多个圆柱形的二次电池圆柱侧面相靠地并列配置时,如图10、图11所示将隔板43配置于圆形二次电池之间。隔板43上,在圆柱侧面的切线方向上和与其垂直的方向上分别形成开口48、49,以改善二次电池的散热状况。
一旦电池组件内部的二次电池数目增加将其排列在平面上,电池组件的平面面积就增加,电池组件盒和设备容纳电池组件的空间就需要有较大的容积。又,在受到外部压力时,压力施加于二次电池,电池内压增加对安全有不良影响,为了加以防止,有必要在电池组件盒和设备容纳电池组件的空间中设置防止外部压力引起的变形用的支柱等支持结构。特别是图12所示的扁平的方形二次电池,平面面积更大,支持结构成为其必要条件。
上述已有的电池组件的隔板43,是与圆柱形二次电池12对应的隔板,如图12所示,应用于扁平的二次电池2,则可以利用开口48作为支持柱通过的孔。但是,这种隔板43不是连结构件,因此不具有不管多少扁平二次电池都能够连结的连结强度。又,设备容纳电池组件的空间也不限于矩形,也有其他形状,因此所述隔板43不能与其对应。又,为了在并列配置的各二次电池2之间设置更大的开放空间,谋求提高散热性能,希望能有可以自由设置支持结构的电池组件。
本发明的目的在于,提供在多个电池之间形成用于散热且增大其刚性的空间,容纳电池组件的空间为其他形状时也能够适应的电池组件。
发明内容
为了实现本发明的目的,本发明的电池组件的特征是,将多个二次电池电气连接同时相隔规定间隔将其平行配置,用绝缘板连结设置二次电池的电极的面。借助于此,二次电池之间用绝缘性构件连结,同时保持规定的间隔平行配置,因此在平行线方向上将其反复进行任意次数,就能够将多个二次电池以一定的间隔平行配置形成一体,保持良好的放热性地,在间隔内设置支柱等支持物,防止二次电池受到压缩方向的压力。
上述结构中,二次电池的设置电极的面上粘贴绝缘板,能够可靠地将二次电池相互连结。
又,可以用金属板分别连接二次电池的电极,同时在金属板上粘贴绝缘板,在同一位置进行电气连接与机械连接,可以用绝缘板保护薄的低强度的金属板。
又,绝缘板在树脂板两面上施加粘贴处理,利用粘贴方法将二次电池相互连结,这是一种合适的构成手段。
又,在二次电池数目为单数的情况下,以绝缘板连结以规定间隔平行配置的偶数个二次电池,余下的二次电池以任意方向连结于位于端部的绝缘板上,这样构成可以使其适应其他形状的容纳电池的空间,能够把难于配置的奇数个二次电池连结成一整体。
又,多个二次电池可以与容纳二次电池的空间的形状对应地将排列方向加以组合,有可能使在平行配置方向及平行线方向上配置的数目与容纳电池的空间的形状相适应地、有选择地组合,高自由度地适应容纳二次电池的空间的形状。
又,二次电池是偏平长方体,适于使用。
又,连结或连接的各二次电池在平行配置方向上用粘接胶带束缚,能够加强连结或连接的多个二次电池的一体化结构。
附图说明
图1是表示使用于笔记本电脑的电池组件的实施形态的概要侧面图。
图2是表示电池组件在附加盒内的配置状态的平面图。
图3是表示对二次电池的前处理的立体图。
图4是表示组装电池组件的导电板连接工序的说明图。
图5是表示组装电池组件的连接板粘贴工序的说明图。
图6是表示组装电池组件的二次电池配置工序的立体图。
图7是表示电池组件的完工状态的平面图。
图8是表示二次电池的配置的另一状态的平面图。
图9是表示使用圆柱形二次电池的状态的立体图。
图10是形成已有的结构的隔板的结构的立体图。
图11是采用图10所示隔板的二次电池的配置状态的立体图。
图12是图10所示隔板使用于扁平形状的二次电池的例子的立体图。
具体实施例
下面参照附图对本发明的实施形态加以说明,以供加深对本发明的理解。但是下面所述的实施形态是将本发明具体化的一个例子,而不是对本发明的技术范围的限定。
本实施形态所示是作为笔记本电脑的电源的电池组件,如图1所示,形成能够容纳于可脱卸的装在笔记本电脑A的底面的附加盒20内的电池收容空间里的形状。
图2是表示本实施形态的电池组件1被收容在上述附加盒20内的状态的平面图,表示附加盒20取下固定在图示平面上的盖的状态。盖呈板状,由螺丝钉固定于将阴螺丝嵌入的多个轮毂(boss)24上。电池组件1具备容纳于形成在附加盒20中的电池框21中的9个二次电池2,以及构成电池保护电路和与笔记本电脑A通信的通信电路等的电路基板3。所述二次电池是形成偏平长方体的锂离子二次电池,8个二次电池2用连接板5以规定的间隔W平行配置,余下的一个二次电池2连接于端部的连接板5。
笔记本电脑A的重量加在附加盒20上。而且为了使来自人体的、加在笔记本电脑A上的、特别是电池组收容位置正上方的压力不压到二次电池2上,在附加盒20中形成支持柱22,使其位于平行配置的二次电池2之间的间隔W内,防止未图示出的盖受压力而挠曲。上述支持柱22的高度做成与上述电池框21的高度相同,由于支持柱22及电池框21支持住压力引起的盖的挠曲,防止发生压力施加于二次电池2的情况。又设置与平行配置的二次电池2之间的间隔W对应的定位棱23,可以给二次电池2定位,维持间隔W。
下面对如上所述设置间隔W将多个二次电池一起形成一整体,构成各种形状的电池组件1的详细结构加以说明。
如图3所示,在二次电池2的正极端子4的形成面上贴着绝缘纸13。如图4所示,该二次电池2在装配架上8个并排,利用导电板6连接。又如图5所示,在两面上经过粘接处理的连接板5被粘贴在要处。连接板5是电绝缘性的、形成与二次电池2的剖面形状对应的形状的、很有刚性的树脂板。这样,导电板6及连接板5将粘贴着的8个二次电池2从图5所示的展开位置Q将相互抵住的二次电池2拉开???,则得到如图6所示的,8个电池隔开间隔W平行配置的状态。将该8个连结的状态下的端部的连接板5上,如图6所示粘贴着一个二次电池的侧面,如图7所示,在各二次电池2的平板面的两个面上,跨过各二次电池2贴上胶带7,于是,9个二次电池就牢固地形成一整体。
图7表示电池组件1的完成状态,二次电池2之间以及二次电池2与电路基板3之间有连接用的导线9,为了该导线9的处理和电路基板3的固定等,在要处粘贴小面积的胶带7a。又,从电路基板3接线端子11,形成能够与笔记本电脑连接的结构。该电池组件1由于各构件形成一整体,能够以该状态提供给笔记本电脑的厂家,在厂家,只要如图2所示放入附加盒20,可以很容易地制造附加于笔记本电脑的电池电源。而且只要做成所需要的形状,也能够放入笔记本电脑内部。
多个二次电池2的排列如图8所示,可以将2个以上的二次电池2以规定的间隔W平行配置。绝缘板16的长度根据二次电池2的个数决定。这样,能够对应于容纳电池的空间形状自由地设计二次电池的配置。
又,如图9所示,也以一定的间隔配置圆柱形的二次电池12,以绝缘板15加以连结。
采用本发明的电池组件,在二次电池之间形成空间,提高散热性能,同时可以在空间内设置支持物,承受对二次电池的压力,可以防止二次电池受压。又,能够将多个二次电池自由配置,因此能够对应容纳电池的空间的形状。
Claims (7)
1.一种电池组件,其特征在于,具备相隔规定间隔平行配置的多个二次电池以及连结设置各二次电池的电极的面的绝缘板,所述二次电池的连接可以是串联,也可以是并联。
2.如权利要求1所述的电池组件,其特征在于,用金属板分别连接二次电池的电极,同时在金属板上粘贴绝缘板形成。
3.如权利要求1所述的电池组件,其特征在于,绝缘板在树脂板两面上施加粘贴处理,利用粘贴方法将二次电池相互连结。
4.如权利要求1所述的电池组件,其特征在于,在二次电池数目为单数的情况下,使余下的二次电池朝任意方向连接于以规定间隔平行配置的偶数个二次电池的端部的绝缘板上。
5.如权利要求1所述的电池组件,其特征在于,多个二次电池与容纳二次电池的空间的形状对应地将排列方向加以组合。
6.如权利要求1所述的电池组件,其特征在于,二次电池是偏平长方体。
7.如权利要求1所述的电池组件,其特征在于,用粘接胶带束缚配置得适合规定的形状的各二次电池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000262154A JP3662485B2 (ja) | 2000-08-31 | 2000-08-31 | 電池パック |
JP262154/00 | 2000-08-31 | ||
JP262154/2000 | 2000-08-31 |
Publications (2)
Publication Number | Publication Date |
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CN1341974A true CN1341974A (zh) | 2002-03-27 |
CN1198345C CN1198345C (zh) | 2005-04-20 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CNB011252618A Expired - Fee Related CN1198345C (zh) | 2000-08-31 | 2001-08-29 | 电池组件 |
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Country | Link |
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US (1) | US6884540B2 (zh) |
JP (1) | JP3662485B2 (zh) |
CN (1) | CN1198345C (zh) |
TW (1) | TW511308B (zh) |
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CN102201557A (zh) * | 2010-03-24 | 2011-09-28 | 株式会社电装 | 电池组 |
CN101095259B (zh) * | 2004-12-29 | 2012-07-04 | 英特尔公司 | 电池组冷却机构 |
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JP4799017B2 (ja) * | 2005-03-17 | 2011-10-19 | 株式会社東芝 | 電子機器 |
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- 2000-08-31 JP JP2000262154A patent/JP3662485B2/ja not_active Expired - Fee Related
-
2001
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- 2001-08-29 CN CNB011252618A patent/CN1198345C/zh not_active Expired - Fee Related
- 2001-08-29 US US09/940,460 patent/US6884540B2/en not_active Expired - Fee Related
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CN101095259B (zh) * | 2004-12-29 | 2012-07-04 | 英特尔公司 | 电池组冷却机构 |
CN102201557A (zh) * | 2010-03-24 | 2011-09-28 | 株式会社电装 | 电池组 |
Also Published As
Publication number | Publication date |
---|---|
TW511308B (en) | 2002-11-21 |
US6884540B2 (en) | 2005-04-26 |
US20020025474A1 (en) | 2002-02-28 |
JP2002075304A (ja) | 2002-03-15 |
CN1198345C (zh) | 2005-04-20 |
JP3662485B2 (ja) | 2005-06-22 |
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