CN211404602U - 软包电池模组 - Google Patents

软包电池模组 Download PDF

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CN211404602U
CN211404602U CN202020423795.8U CN202020423795U CN211404602U CN 211404602 U CN211404602 U CN 211404602U CN 202020423795 U CN202020423795 U CN 202020423795U CN 211404602 U CN211404602 U CN 211404602U
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battery module
plate
laminate polymer
polymer battery
laminate
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畅志远
杜肖源
张艳兵
万正坤
张永光
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China Aviation Lithium Battery Co Ltd
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Priority to US17/010,825 priority patent/US11502365B2/en
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Abstract

本实用新型涉及电池制造技术领域，尤其是涉及一种软包电池模组。包括：软包电池组件，所述软包电池组件包括多个沿第一方向排布的多个软包电池单元，刚性绝缘板，沿第一方向，所述软包电池组件的两侧均设有所述刚性绝缘板。本申请中的软包电池模组，采用刚性绝缘板将软包电池单元组装，可以降低软包电池模组的重量，提高软包电池模组的能量密度。

Description

软包电池模组
技术领域
本实用新型涉及电池制造技术领域，尤其是涉及一种软包电池模组。
背景技术
由于新能源动力电池技术的进步与各国政府机构的大力推广，新能源动力电池的应用越来越广泛，尤其在动力汽车领域。目前，软包的锂电池安装于框架结构内，但是，框架结构由塑料框架，嵌装在塑料框架内的散热板组成，这样多个电池包就需要用多个框架结构，从而导致软包电池模组的重量及成本增加。
实用新型内容
本申请提供了一种软包电池模组，采用刚性绝缘板将软包电池单元组装，可以降低软包电池模组的重量，提高软包电池模组的能量密度。
为了达到上述目的，本申请提供了一种软包电池模组，包括：
软包电池组件，所述软包电池组件包括多个沿第一方向排布的多个软包电池单元；
刚性绝缘板，沿第一方向，所述软包电池组件的两侧均设有所述刚性绝缘板。
本申请中的软包电池模组，多个软包电池单元沿第一方向排列，且在第一方向上，软包电池组件的两侧的刚性绝缘板可使软包电池组件的固定，且在将软包电池组件安装于金属外壳内时，避免软包电池组件被划伤；这种成组方式取消了固定软包电池组件的框架结构，大量减少模组零部件数量，提高模组能量密度，降低模组成本。
附图说明
图1为本申请实施例的一种软包电池模组的爆炸图；
图2为本申请实施例的一种软包电池模组的线束板、导电排及高压端子的结构示意图；
图3为本申请实施例的一种软包电池模组部分结构的爆炸图；
图4为本申请实施例的一种软包电池模组中信号采集组件的结构示意图；
图5为本申请实施例的一种软包电池模组中端板的结构示意图；
图6为本申请实施例的一种软包电池模组的又一爆炸图。
图标：1-软包电池组件；100-隔热缓冲垫；110-软包电池单元；2-刚性绝缘板；200-过孔；3-线束板；310-槽孔；320-卡槽；330-开槽；340-卡扣；4-导电排；5-高压端子；6-端板；610-安装槽；620-安装柱；7-引出支座；8-绝缘端板；800-开口；810-突出部；9-信号采集组件；900-柔性电路板；910-电压采集器；920-温度传感器；10-金属板；11-金属外壳；12-导热垫。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参考图1，本申请提供了一种软包电池模组，包括：
软包电池组件1，所述软包电池组件1包括多个沿第一方向排布的多个软包电池单元110；
刚性绝缘板2，沿第一方向，所述软包电池组件1的两侧均设有所述刚性绝缘板2。
本申请中的软包电池模组，多个软包电池单元110沿第一方向排列，且在第一方向上，软包电池组件1的两侧的刚性绝缘板2可使软包电池组件1的固定，且在将软包电池组件1安装于金属外壳11内时，避免软包电池组件1被划伤；这种成组方式取消了固定软包电池组件1的框架结构，大量减少模组零部件数量，提高模组能量密度，降低模组成本。
需要说明的是，刚性绝缘板2与软包电池组件1之间通过粘接的方式连接，相邻的两个软包电池单元110之间通过粘接的方式连接，且刚性绝缘板2的材质一般采用塑料，以起到绝缘隔离和机械防护，使得软包电池组件1装入金属外壳11变得容易。
另外，第一方向为软包电池单元110的厚度方向。
作为一种可选方式，还包括设置于相邻的两个所述软包电池单元110之间的隔热缓冲垫100。隔热缓冲垫100可以给软包电池单元110的循环鼓胀预留鼓胀间隙，同时隔热作用，防止热失控蔓延；且软包电池单元110与隔热缓冲垫100之间通过结构胶粘接。
作为一种可选方式，还包括设置于两个所述刚性绝缘板2之间、并与所述刚性绝缘板2端部卡接的线束板3。因线束板3与刚性绝缘板2连接，使线束板3不会相对于设置在两个刚性绝缘板2之间的软包电池组件1移动。
需要说明的是，刚性绝缘板2的每一端设有至少两个过孔200，所述线束板3与所述刚性绝缘板2的接触端设有用于与所述过孔200配合的卡扣340。这样，刚性绝缘板2与线束板3的连接时更变便捷，且稳定性较高。
作为一种可选方式，请继续参考图2，还包括导电排4和高压端子5，所述导电排4及高压端子5均安装于所述线束板3，所述导电排4用于将相邻所述软包电池单元110电连接，所述高压端子5所述软包电池组件1电连接。具体的，导电板排卡设在线束板3背离软包电池单元110的一侧，线束板3上设有用于软包电池单元110上极耳穿过的槽孔310，用于卡设导电排4和高压端子5的卡槽320，连接时，软包电池单元110上的极耳穿过槽孔310，并折弯在导电排4上，通过激光焊接实现软包电池单元110上极耳与导电排4的电连接。由于线束板3与刚性绝缘板2连接，在压紧极耳时将极耳焊接在线束板3上时，可以有效防止线束板3组件发生位移，降低安全故障发生的频率。
作为一种可选方式，请继续参考图5，还包括端板6和所述引出支座7，所述引出支座7上设置有用于高压端子5穿过的通孔；所述端板6位于所述线束板3背离所述软包电池单元110的一侧，且所述端板6上设有用于安装所述引出支座7的安装部。具体的，安装部包括设在端板6上的安装槽610，及位于安装槽610下方，固定于端板6靠近线束板3一侧的三个安装柱620，其中位于中间位置的安装柱620上设有安装孔，位于该安装柱620两侧的安装柱为定位柱，引出支座7上设有与三个安装柱620配合的连接孔，通过螺钉或柳钉将引出支座7安装于端板6上；另外引出支座7上还设有用于高压端子5穿过的通孔，高压端子5穿过该通孔后，通过螺钉将外部导电排与高压端子5电连接实现模组对外部的电能输出。相比固定在电池组、传感器基板、绝缘端板8等刚度较低的部件上，大幅提高了引出支座7的连接强度和可靠性。
作为一种可选方式，请继续参考图3，还包括绝缘端板8，所述绝缘端板8设置于所述端板6与所述线束板3之间；其中，所述绝缘端板8上设有用于高压端子5穿过的开口800。绝缘端板8卡设于线束板3上，将软包电池模组上导电的部件与端板6隔离，提高软包电池组件1的电气安全。
作为一种可选方式，请继续参考图4，所述信号采集组件9，所述信号采集组件9包括柔性电路板900及设置于所述柔性电路板900上的电压采集器910和温度传感器920，其中所述柔性电路板900卡设于两个所述线束板3上。软包电池组件1的电压温度采集由一条信号采集组件9实现，而信号采集组件9中的柔性电路板900具有很高的柔性和很小的体积和重量，从而可进一步提电池组价的空间利用率和组装的便捷。同时信号采集由一整条信号采集组件9实现，相比多段采集线路通过连接器或锡焊连接的方式，可靠性更高；而且由于采用一体式信号采集组件9进行模组电压、温度采集，可以避免信号采集组件9中连接失效，有效降低采集失效风险。
需要说明的是，线束板3靠近金属板的一端设置有用于容纳柔性电路板900的开槽330，所述绝缘端板8上设置有突出部810，所述突出部810与所述开槽330相配合，所述柔性电路板900的两端位于所述突出部810和所述开槽330之间,从可以使柔性电路板900与金属板10之间的间距增加，以保护柔性电路板900不被金属板10温度过高时(例如，在焊接金属板10和端板6时)将其损坏。
作为一种可选方式，还包括金属板10、金属外壳11及导热垫12，所述导热垫12设置于所述金属板10与所述软包电池组件1之间，或所述导热垫12设置于所述金属外壳11与所述软包电池组件1之间；所述金属板10与所述金属外壳11之间形成及用于安装所述软包电池组件1的安装腔。其中，金属板10与金属外壳11之间可通过铆接形成机械连接(如图6所示)，也可通过焊接的方式连接，且金属外壳11呈U型设置，而软包电池组件1上的刚性绝缘板2保护，金属外壳11为开放结构，软包电池组件1装入U形金属外壳11的工艺难度有较大降低；而且金属外壳11和金属板10采用钣金薄板制造，其重量、制造时间、成本相比挤压工艺更低。另外，导热垫12的设置可以使软包电池组件1上产生的热量经导热垫12传导至金属板10或金属外壳11上，又因金属材质的散热效果较好，进而提高软包电池组件1的散热速度。显然，本领域的技术人员可以对本实用新型实施例进行各种改动和变型而不脱离本实用新型的精神和范围。这样，倘若本实用新型的这些修改和变型属于本实用新型权利要求及其等同技术的范围之内，则本实用新型也意图包含这些改动和变型在内。

Claims (10)

1.一种软包电池模组，其特征在于，包括：
软包电池组件，所述软包电池组件包括多个沿第一方向排布的多个软包电池单元；
刚性绝缘板，沿第一方向，所述软包电池组件的两侧均设有所述刚性绝缘板。
2.如权利要求1所述的软包电池模组，其特征在于，还包括设置于相邻的两个所述软包电池单元之间的隔热缓冲垫。
3.如权利要求1所述的软包电池模组，其特征在于，还包括设置于两个所述刚性绝缘板之间、并与所述刚性绝缘板端部卡接的线束板。
4.如权利要求3所述的软包电池模组，其特征在于，还包括导电排和高压端子；
所述导电排及高压端子均安装于所述线束板，所述导电排用于将相邻所述软包电池单元电连接，所述高压端子与所述软包电池组件电连接。
5.如权利要求4所述的软包电池模组，其特征在于，还包括端板和引出支座，所述引出支座上设置有用于高压端子穿过的通孔；
所述端板位于所述线束板背离所述软包电池单元的一侧，且所述端板上设有用于安装所述引出支座的安装部。
6.如权利要求5所述的软包电池模组，其特征在于，还包括绝缘端板，所述绝缘端板设置于所述端板与所述线束板之间；
其中，所述绝缘端板上设有用于高压端子穿过的开口。
7.如权利要求6所述的软包电池模组，其特征在于，所述软包电池模组还包括信号采集组件，所述信号采集组件包括柔性电路板及设置于所述柔性电路板上的电压采集器和温度传感器，其中所述柔性电路板卡设或粘接于两个所述线束板上。
8.如权利要求7所述的软包电池模组，其特征在于，所述线束板靠近金属板的一端设置有用于容纳柔性电路板的开槽，所述绝缘端板上设置有突出部，所述突出部与所述开槽相配合，所述柔性电路板的两端位于所述突出部和所述开槽之间。
9.如权利要求1-8任一项所述的软包电池模组，其特征在于，还包括金属板、金属外壳及导热垫，所述导热垫设置于所述金属板与所述软包电池组件之间，或所述导热垫设置于所述金属外壳与所述软包电池组件之间；
所述金属板与所述金属外壳之间形成及用于安装所述软包电池组件的安装腔。
10.如权利要求3所述的软包电池模组，其特征在于，所述刚性绝缘板的每一端设有至少两个过孔，所述线束板与所述刚性绝缘板的接触端设有用于与所述过孔配合的卡扣。
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