CN111670508A - 用于车辆电池组的固定元件和包括其的车辆电池组 - Google Patents

用于车辆电池组的固定元件和包括其的车辆电池组 Download PDF

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CN111670508A
CN111670508A CN201980010925.5A CN201980010925A CN111670508A CN 111670508 A CN111670508 A CN 111670508A CN 201980010925 A CN201980010925 A CN 201980010925A CN 111670508 A CN111670508 A CN 111670508A
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battery pack
insert
battery
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vehicle
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CN111670508B (zh
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C-M.马萨里克
M.普彻
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Samsung SDI Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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    • F16B4/00—Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings
    • F16B4/004—Press fits, force fits, interference fits, i.e. fits without heat or chemical treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
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    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/11—Electric energy storages
    • B60Y2400/112—Batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL 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

提供了一种用于车辆的电池组。该电池组包括：包括多个二次电池单元的至少一个电池模块；用于支撑所述至少一个电池模块的金属框架，该金属框架包括从电池组的底侧朝向与底侧相反的安装侧延伸的多个槽；以及插入件，其由与金属框架相同种类的材料制成、包括用于接收固定元件的通孔并且固定地装配在每个槽。

Description

用于车辆电池组的固定元件和包括其的车辆电池组
技术领域
本发明涉及用于车辆的电池组，更具体地，涉及用于将电池组安装到车辆的承载结构的固定元件。
背景技术
近年来，已经开发了使用电力作为运动源的用于货物和人员运输的车辆。这样的电动车辆是使用储存在可再充电电池中的能量由电动马达驱动的机动车。电动车辆可以仅由电池供电，或者可以是由例如汽油发电机供电的混合动力车辆的形式。此外，车辆可以包括电动马达和常规内燃机的组合。一般，电动车辆电池(EVB)或牵引电池是用于为电池电动车辆(BEV)的推进提供动力的电池。电动车辆电池与启动电池、照明电池和点火电池不同，因为它们被设计为在持续的时间内提供动力。可再充电电池或二次电池与一次电池不同在于，其可以被反复地充电和放电，而后者仅提供化学能到电能的不可逆转换。低容量可再充电电池用作诸如蜂窝电话、笔记本计算机和便携式摄像机的小型电子设备的电源，而高容量可再充电电池用作混合动力车辆等的电源。
一般，可再充电电池包括：电极组件，其包括正电极、负电极、以及插置在正电极与负电极之间的隔板；接收电极组件的壳体；以及电连接到电极组件的电极端子。为了使电池能够经由正电极、负电极和电解液的电化学反应进行充放电，电解液被注入到壳体中。壳体的形状(例如圆筒形或矩形)取决于电池的预期用途。因其在笔记本电脑和消费电子产品中的使用而广为人知的锂离子(和类似的锂聚合物)电池在开发中的最新批的电动车辆中占主导地位。
可再充电电池可以用作由串联和/或并联联接的多个单位电池单元形成的电池模块，从而提供高能量密度，特别是用于为混合动力车辆的马达驱动。即，电池模块通过取决于需要的电力的量并且为了实现高功率可再充电电池而将多个单位电池单元的电极端子互连来形成。
电池组是一组任意数量的(优先地，相同的)电池模块。它们可以串联、并联或两者混合配置，以提供期望的电压、容量或功率密度。电池组的组件包括各个电池模块、以及提供其间的导电性的互连。提供电池管理系统(BMS)用于诸如通过以下方式来管理电池组：保护电池使其不在其安全操作区域之外操作、监视其状态、计算辅助数据、报告该数据、控制其环境、对其进行认证和/或使其均衡。
为了提供电池组的热控制，需要热管理系统，以通过高效地散发、排出和/或消散从其可再充电电池产生的热来安全地使用至少一个电池模块。如果没有充分地执行热发散/热排出/热消散，则在各电池单元之间发生温度偏差，使得至少一个电池模块不能产生期望的电量。此外，内部温度的升高可导致在其中发生异常反应，因此可再充电的充电和放电性能劣化并且可再充电电池的寿命缩短。因此，需要用于有效地散发/排出/消散来自单元的热的单元冷却。
这样的电池组的机械集成要求在(例如电池模块的)各个组件之间以及在它们与车辆的支撑结构之间适当的机械连接。这些连接必须在电池系统的平均使用寿命期间保持起作用和安全。此外，必须满足安装空间和互换性要求，尤其是在移动应用中。
电池模块的机械集成可以通过提供载体框架并通过将电池模块放置在其上来实现。固定电池单元或子模块可以通过框架中的凹陷或通过诸如螺栓或螺钉的机械互连器来实现。备选地，通过将侧板紧固到载体框架的侧面来限制电池模块。此外，盖板可以固定在电池模块之上和之下。
电池组的承载框架被安装到车辆的承载结构。在电池组应固定在车辆底部的情况下，可以通过例如穿过电池组的载体框架的螺栓从底侧建立机械连接。框架通常由铝或铝合金制成，以降低结构的总重量。然而，用于车辆的电池组可能具有600kg或更大的重量，因此需要在几个位置与车辆的承载结构固定。这些固定中的每个必须仍然确保电池组的密封性和机械稳定性。在现有技术中，固定包括使用插入到框架的槽中并为螺钉提供通孔的专门设计的钢衬套。这些衬套需要涂有抗腐蚀层，以避免与框架的腐蚀性过程。此外，需要在钢衬套的下侧以及在其中螺钉通过螺母固定的上侧建立密封。最后，钢衬套包括扭曲保护元件，以避免钢衬套在框架的槽内扭曲。结果，将电池组安装到车辆的承载结构的制造工艺复杂并且阻碍了工艺的自动化。
发明内容
技术问题
因此，本发明的目的是为了克服或减少现有技术的至少一些缺点，并提供可更容易地安装到车辆的承载结构的电池组。特别地，该解决方案应允许制造工艺的自动化。
技术方案
通过本发明可以避免或至少减少现有技术的一个或更多个缺点。根据本发明的一实施方式的一种用于车辆的电池组包括：包括多个二次电池单元的至少一个电池模块；用于支撑所述至少一个电池模块的金属框架，该框架包括从电池组的底侧延伸到相反的安装侧的多个槽；以及牢固地定位在每个槽内的插入件，该插入件由与框架相似的材料制成，并且包括布置用于容纳固定元件的通孔。
换言之，本发明的电池组包括槽，其形成在支撑框架的一部分内，即在周向框架或横向构件内，横向框架细分框架的内部空间并支撑组装在其中的电池模块。槽从电池组的底侧朝向安装侧延伸，在该安装侧，电池组固定到车辆的承载结构。在这些槽内提供有包括中央通孔的特定插入件，当电池组安装到车辆时，固定元件特别是螺钉穿过该中央通孔。本发明的插入件的主要优点在于，插入件主体由与框架相似(特别是相同)的材料制成。因为材料相似，所以与例如在现有技术中使用钢衬套和铝框架相比，不需要插入件的单独的抗腐蚀涂层。此外，插入件和框架确实具有相等的热膨胀系数。优选地，框架和插入件由铝或铝合金制成。
可以以可自动完成的快速且简单的操作的方式将插入件按压到电池组的框架的槽中。此外，由于极大的密封表面，可以实现简单的密封。例如，简单的平垫圈可以用于插入件的两侧。此外，将包括插入件的电池组安装到车辆的承载结构由于这一事实而得到简化：仅固定元件必须穿过插入件的通孔，并且不需要诸如衬套或埋头螺母的附加元件。
根据本发明的另一优选实施方式，孔从框架的侧表面朝向槽延伸，并且插入件通过置于孔内的焊接接头固定在槽内。换言之，通过焊接实现将插入件固定在框架的槽内。原则上，也可以在框架的底侧或安装侧上执行这样的焊接，然而，可能导致不平坦的表面，这可能使电池组的密封性变差。因此，从插入件的侧面经由提供在框架的侧面处的孔执行焊接，以在槽中终止。与由不同材料制成的部件的焊接相比，在由相似材料(尤其是铝或铝合金)制成的部件之间建立焊接点更加容易。焊接可以自动完成。最后，不需要在焊接的插入件中建立任何附加的扭曲保护元件。
进一步优选地，插入件具有当牢固地定位在槽内时不能旋转的形状。这样的实施方式可以具有这样的优点：插入件在焊接期间的位置是固定的而不旋转。特别地，插入件可以是具有椭圆形基部的圆柱体，因为制造工艺简单、密封面不会被边缘打断、并且插入件的上表面和下表面可以容易地用于承载附加的功能元件，比如孔(见下文)。然而，可以实现不能在槽中旋转的其他插入件形状。
根据电池组的另一优选实施方式，插入件的上端的表面包括用于在安装侧安装板覆盖物的孔，或者插入件的下端的表面包括用于安装覆盖电池组的底侧的板的孔。即，可以通过例如自攻螺钉来简化顶部和底部电池盖的附接。
根据本发明的另一方面，提供了一种包括如上所限定的电池组的车辆。该电池组通过穿过插入件的通孔的诸如螺钉的固定元件而被(直接或间接地)安装到车辆的承载结构。
本发明的另外的方面可以从从属权利要求或以下描述获悉。
附图说明
通过参照附图详细描述示例性实施方式，特征对本领域普通技术人员将变得明显，附图中：
图1是包括电池组的车辆的示意图。
图2示出了包括常规通孔螺钉连接的根据常规技术的电池组的示意性剖视图。
图3是图2的电池组中使用的常规通孔螺钉连接的放大图。
图4示出了根据本发明的一个实施方式并包括用于建立到车辆部件的固定的插入件的电池组的局部透视图。
图5是图4所示的本发明的示例性实施方式中使用的插入件的视图。
具体实施方式
现在将详细参照实施方式，其示例在附图中示出。将参照附图描述示例性实施方式的效果和特征及其实施方法。在附图中，同样的附图标记表示同样的元件，并且省略多余的描述。如在此所使用地，术语“和/或”包括一个或更多个相关所列举项目的任何及所有组合。此外，当描述本发明的实施方式时使用“可以”是指“本发明的一个或更多个实施方式”。
这里，术语“上”和“下”根据z轴定义。例如，上盖位于z轴的上部，而下盖位于z轴的下部。在附图中，为了清楚起见，可以夸大元件的尺寸。例如，在附图中，出于说明的目的可以任意地示出每个元件的尺寸或厚度，因此本发明的实施方式不应被解释为限于此。
在电动车辆或混合动力车辆中，电池组通常在下部车身即底板内需要极大的空间。因此，电池组不得不提供几种固定措施来确保固定到车辆承载结构。图1以简单的方式示出了包括安装在车辆300的承载结构底部的电池组10的车辆300。
图2是现有技术的电池组10通过常规固定安装到车辆(比如图1中示意性地示出的车辆)的承载结构的示意性剖视图。电池组10包括多个电池模块12，每个电池模块包括多个二次电池单元(这里未详细示出)。电池模块12组装在金属框架14内，金属框架14包括总体的周向框架16和插置在每个电池模块12之间的几个横向构件18。用于支撑电池模块12的金属框架14包括多个通孔20，其从电池组10的底侧延伸到相反的安装侧。通孔20适于容纳作为固定构件的螺钉22。框架14可以由铝或铝合金制成。
这里，BIW(“白车身”)或车辆的固定点位于电池组10的后面，更具体地，示例性电池组10作为底板下应用被安装到符合图1实施方式的车辆底板。因此，安装方向是从电池组10的底侧朝向安装侧。为了确保牢固的连接，螺钉连接必须通过使用通孔20来结合电池组10的整个厚度。此外，在整个电池使用寿命期间，电池组10的密封性不应受到这些通孔20的任何影响。
图3中示出了建立图2的常规电池组10的通孔螺钉连接的方式。这里，使用了车铣钢部件或钢衬套24，其通过埋头螺母26附接到电池组10。钢衬套24的头部包括扭曲保护元件28。示出的方案的缺点如下：钢衬套24的制造是复杂的，并由成形、螺纹切削、涂覆(由于钢衬套和铝制框架的不同的材料而需要)、建立扭曲保护以及在钢衬套24的下侧建立密封的步骤构成。将钢衬套24组装到电池组通过装上埋头螺母26来完成，埋头螺母26也需要被相应地密封。因此，为了建立这样的常规螺钉连接，需要三个部件，即涂覆盖的钢衬套24、埋头螺母26和螺钉22。因此，该工艺的自动化是复杂的。
图4示出了根据本发明的一示例性实施方式的一实施方式的细节。更具体地，该图示出了包括发明的插入件200的电池组的一部分的透视图，该插入件200用于更容易地建立到车辆部件特别是其承载结构的固定。基本上，除了存在用于螺钉连接的常规通孔20以外，根据示出的实施方式的电池组可以与图2所示相同。电池组可以安装到车辆的底板，如图1示意性地所示。
图4的实施方式与图2所示的示例性常规形状不同在于，椭圆形基部的槽102通过切割框架100以在其中取得空间而形成。槽102从电池组的底侧延伸到电池组的安装侧。框架可以由铝或其合金制成。插入件200紧密地装配在所述槽102内，即，插入件200具有带有椭圆形基部的圆柱形形状，该椭圆形基部对应于槽102的形状。
框架100还包括在其侧面通向槽102的孔110，并且孔110垂直于框架的纵向方向向上朝向槽102延伸。在将插入件200定位在槽102内之后，执行焊接使得在孔110内建立焊接接头220，从而在框架与插入件200之间建立连接。可以在焊接接头220中建立附加物质。
插入件200在图5中单独示出，并且包括居中定位的通孔202。通孔202收容将电池附接到车辆的承载结构所必需的螺钉122(见图4)。插入件200可以由与框架相同的材料制成，特别是由挤制铝制成。
在插入件200的上表面204上，可以在安装侧(即，面对车辆的承载结构的一侧)上提供孔210，并且孔210被提供用于固定可覆盖插入件200的安装侧的板。还可以在插入件200的下表面上提供另外的孔，以将另一板覆盖物固定到电池组(未示出)的底侧。
尽管以上已经描述了本发明的实施方式，但是本发明不限于此，并且可以在权利要求、说明书和附图的范围内进行各种修改，它们也属于本发明的范围。

Claims (7)

1.一种用于车辆的电池组，包括：
包括多个二次电池单元的至少一个电池模块；
用于支撑所述至少一个电池模块的金属框架，所述框架包括从所述电池组的底侧延伸到相反的安装侧的多个槽；以及
牢固地定位在每个槽内的插入件，所述插入件由与所述框架相似的材料制成，并且包括适于容纳固定元件的通孔。
2.根据权利要求1所述的电池组，其中所述框架和所述插入件由铝或铝合金制成。
3.根据权利要求1或2所述的电池组，其中孔从所述框架的侧表面朝向所述槽延伸，并且所述插入件通过置于所述孔内的焊接接头固定在所述槽内。
4.根据权利要求1所述的电池组，其中所述插入件具有当牢固地定位在所述槽内时不能旋转的形状。
5.根据权利要求4所述的电池组，所述插入件是具有椭圆形基部的圆柱体。
6.根据权利要求1所述的电池组，其中所述插入件的上端的表面包括用于在所述安装侧上安装板覆盖物的孔，或者所述插入件的下端的表面包括用于安装覆盖所述电池组的所述底侧的板的孔。
7.一种包括电池组的车辆，包括：
包括多个二次电池单元的至少一个电池模块；
用于支撑所述至少一个电池模块的金属框架，所述框架包括从所述电池组的底侧延伸到相反的安装侧的多个槽；以及
牢固地定位在每个槽内的插入件，所述插入件由与所述框架相似的材料制成，并且包括布置用于容纳固定元件的通孔，
其中所述电池组通过穿过所述插入件的所述通孔的固定元件安装到所述车辆的承载结构。
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