CN108068602B - 车身的电池支撑结构 - Google Patents
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Abstract
车身的电池支撑结构包括多个电池支撑构件,其安装在车身的后地板的底部表面以支撑电池单元。电池支撑构件包括沿车身的横向方向延伸的用于支撑电池的横向构件。在后地板的相对两侧安装有一对侧梁。在后地板的底部表面安装有后横向构件。用于支撑电池的多个横向构件中至少一个连接至后横向构件和侧梁。
Description
相关申请的交叉引用
本申请基于并要求2016年11月17日在韩国知识产权局提交的韩国专利申请No.10-2016-0153383的优先权,该申请的全部内容结合于此用于通过该引用的所有目的。
技术领域
本发明涉及一种车身的电池支撑结构。
背景技术
近年来,由于环境危机的认识和化石燃料的消耗在增加,对于作为环保车辆的电动车辆的研究已经受到重视。电动车辆包括插电式混合动力电动车辆(PHEV)、电池电动车(BEV)和燃料电池电动车辆(FCEV)。
高压电池安装在电动汽车的车身上,由于电池具有较大的体积和较重的重量(大约500kg),为了将电池安装到车身上,在车身上确保合适的安装空间是很重要的。此外,确保安装具有相当大的体积和较重重量的电池到车身上的操作也是很重要的,所以用于安装电池的车身设计的研究已经受到重视。
高压电池安装在车身的地板上。例如,电池可以通过安装结构安装在地板的上部或下部。
同时,多个用于支撑电池的支撑构件安装在车身的地板之下。
然而,根据传统的支撑构件,考虑到车身的强度,由于连接结构的脆弱强度使车身的强度较低,由于车身的强度的降低使车辆的行驶性能降低,并且车身的重量不能减少。
发明内容
本发明涉及一种车身的电池支撑结构。具体实施方案涉及一种车身的电池支撑结构,其通过将用于支撑电池的横向构件的端部连接至后横向构件和侧梁,可以有效地保证车身的强度并减少车身的重量。
本发明的实施方案可以解决现有技术中所存在的上述问题,同时保持现有技术所取得的优点。
本发明的实施方案提供一种车辆的电池支撑结构,其通过将用于支撑电池的横向构件的端部连接至后横向构件和侧梁,可以有效地保证车辆的强度并减少车辆的重量。
本发明所解决的技术问题并不限于上述问题,本发明所属的领域的技术人员能够从以下描述中清楚地理解本文中未提及的任何其他技术问题。
根据本发明的一个方面,车辆的电池支撑结构包括多个电池支撑构件,其安装于车身的后地板的底部表面以支撑电池单元。多个电池支撑构件可以包括沿车身的横向方向延伸的用于支撑电池的多个横向构件。在后地板的相对两侧可以安装有一对侧梁。在后地板的底部表面可以安装有后横向构件。用于支撑电池的多个横向构件的至少一个可以连接至后横向构件和侧梁。
与后横向构件的端部相邻的用于支撑电池的多个横向构件的一个可以通过连接构件连接至后横向构件的端部和侧梁。
连接构件可以包括第一连接部和第二连接部,第一连接部连接至后横向构件和相应的用于支撑电池的横向构件,第二连接部连接至侧梁的端部。
一对侧构件可以安装在后地板的相对两侧,侧梁可以分别地安装在一对侧构件中。
第一连接部可以包括顶部凸缘、底部凸缘和壁板,顶部凸缘接合至侧构件的上部,底部凸缘接合至侧构件的下部,壁板连接至侧构件以及后横向构件。
第一连接部的顶部凸缘可以通过焊接接合至侧构件的上部。
第一连接部的底部凸缘可以通过焊接接合至侧构件的下部,并且用于支撑电池的横向构件的端部可以通过接合构件接合至第一连接部的底部凸缘。
第一连接部的壁板可以通过接合构件连接至侧构件以及后横向构件的端部。
第二连接部可以包括顶部凸缘、底部凸缘和壁板,顶部凸缘通过接合构件接合至每个侧梁的上部,底部凸缘通过接合构件接合至每个侧梁的下部,壁板通过接合构件接合至每个侧梁的侧壁。
电池支撑结构可以进一步地包括沿车身的纵向方向延伸的多个电池支撑纵向构件。
附图说明
通过结合附图,从以下的具体描述中将更为清楚地理解本发明的以上和其它目的、特征以及优点:
图1是说明后地板的上表面的平面视图,根据本发明的实施方案的车身的电池支撑结构施加于该后地板;
图2是说明后地板的底部表面的平面视图,根据本发明的实施方案的车身的电池支撑结构施加于该后地板;
图3是说明后地板和根据本发明的实施方案的车身的电池支撑结构的侧梁的立体分解图;
图4是从图3的箭头A的方向观察的立体图;
图5是说明下述结构的立体图,在该结构中根据本发明的实施方案的车身的电池支撑结构的用于支撑电池的横向构件通过连接结构连接至侧梁和后横向构件;
图6是沿图5的B-B线获得的后地板和后横向构件的截面图;
图7是沿图5的C-C线获得的侧梁的截面图;
图8是沿着图5的箭头D方向的底部视图;
图9是沿图8的E-E线获得的截面图;
图10是图5的箭头F的部分的放大视图;
图11是沿图10的G-G线获得的截面图;
图12是沿图11的H-H线获得的截面图。
具体实施方式
下文将参考附图对本发明的示例性实施方案进行详细描述。作为参考,附图中部件的尺寸和线条的粗细可能会被夸大以便于理解。此外,根据使用者、操作者的意图或用户对公开中的功能的考虑,在本发明的说明书中所使用的术语可能有所不同。因此,应根据本文中整体的公开内容来定义术语。
参考图1和图2,根据本发明的实施方案的车身的电池支撑结构可以包括安装在后地板5的底部表面上的多个电池支撑构件11和12。
一对侧构件6可以沿车身的纵向方向安装在后地板5的相对的两侧上。侧梁7可以分别地安装在侧构件6中。因此,一对侧梁7可以布置在后地板5的相对的两侧上。
电池单元B可以包括一个或多个电池模块、支撑电池模块的框架构件以及包围电池模块的外壳和盖体。
如图2所示,电池单元B可以安装在后地板5的底部表面上,以通过后地板5的底部表面支撑。
多个电池支撑构件11和12可以包括:沿车身的横向方向延伸的用于支撑电池的多个横向构件11,以及沿车身的纵向方向延伸的多个电池支撑纵向构件12。
用于支撑电池的多个横向构件11可以在车身的纵向方向上彼此隔开,如图2所示,用于支撑电池的横向构件11可以沿车身的横向方向安装在后地板5下面。用于支撑电池的横向构件11的相对的两端可以分别地接合至侧构件6。
如图9所示,至少一个用于支撑电池的横向构件11附接于电池单元B的下侧,以形成封闭截面。
多个电池支撑纵向构件12可以在车身的横向方向上彼此隔开,并且电池支撑纵向构件12可以沿车身的纵向方向安装在后地板5下面。
如图6所示,后横向构件8可以沿车身的横向方向安装在后地板5的底部表面的一侧。这样,当后横向构件8通过焊接安装在后地板5的底部表面的一侧时,安装后横向构件8的部分可以形成封闭截面。
如图3所示,侧梁7可以通过支架7a分别地安装在侧构件6中,并且如图7所示,每个侧梁7可以形成封闭截面。
如图5和图10所示,与后横向构件8的端部相邻的用于支撑电池的多个横向构件11中至少一个可以通过连接构件20连接至后横向构件8的端部以及每个侧梁7。
连接构件20可以包括第一连接部21和第二连接部22,第一连接部21在每个侧构件6中连接至后横向构件8的端部和用于支撑电池的横向构件11,第二连接部22在每个侧构件6中连接至相应的侧梁7的端部。
如图10-图12所示,第一连接部21的顶部凸缘21a可以通过焊接(焊点)91接合至每个侧构件6的上部,第一连接部21的底部凸缘21b可以通过焊接(焊点)92接合至每个侧构件6的下部,用于支撑电池的横向构件11的端部可以通过接合构件95接合至第一连接部21的底部凸缘21b。第一连接部21的壁板21c可以通过接合构件96连接至每个侧构件6的侧壁和后横向构件8的端部。
盖形螺帽98可以安装在用于支撑电池的横向构件11的端部,并且通过将接合构件95接合至盖形螺帽98而使用于支撑电池的横向构件11可以接合至第一连接部21的底部凸缘21b。进一步地,盖形螺帽98可以穿过设置在侧梁7下方的加强构件25。
如图11所示,一个或多个隔舱9可以安装在后横向构件8的内部。隔舱9可以安装在后横向构件8的端部的内部,并且第一连接部21的壁板21c可以通过接合构件96接合至隔舱9,以使第一连接部21可以连接至后横向构件8的端部。
如图10-图12所示,第二连接部22的顶部凸缘22a可以通过接合构件97接合至每个侧梁7的上部,而第二连接部22的底部凸缘22b可以通过接合构件97接合至每个侧梁7的下部。第二连接部22壁板22c可以通过接合构件97接合至每个侧梁7的侧壁(参见图4)。
第一连接部21的高度大于第二连接部22的高度,因此,在第一连接部21与第二连接部22之间可以形成至少一个倾斜部23。
同时,根据传统技术,在侧梁的端部安装加强构件,相应地侧梁的尺寸增加。相反,根据本发明,由于连接构件20安装在侧梁7的端部,使得侧梁7的尺寸可以显著地减小,因此后地板5的侧面结构可以变得紧凑。
进一步地,根据本发明,由于后横向构件8、用于支撑电池的横向构件11和侧梁7可以通过安装在侧梁7端部的连接构件20而在三轴方向上彼此接合,因此可以使扭转强度增强。
进一步地,由于形成封闭截面的后横向构件8、侧梁7和用于支撑电池的横向构件11(参见图6、图7和图9)通过连接构件20在三轴方向上彼此连接,因此可以显著地增强电池单元B的支撑强度以及车身的强度。
根据本发明,通过将用于支撑电池的横向构件的端部连接至后横向构件和侧梁,可以有效地保证车辆的强度和有效地减少车辆的重量,相应地可以提高车辆的行驶性能。
虽然目前已经描述了本发明的具体实施方案,但本发明不局限于在说明书和附图中所述公开的实施方案,本领域技术人员可以对本发明进行各种修改而不脱离本发明的技术精神。
Claims (17)
1.车辆的电池支撑结构,所述电池支撑结构包括:
多个电池支撑构件,其设置为安装于车身的后地板的底部表面以支撑电池单元,其中,所述多个电池支撑构件包括沿车身的横向方向延伸的多个横向构件;
两个侧梁,所述两个侧梁设置为安装在后地板的相对两侧;以及
后横向构件,其安装在后地板的底部表面,其中,所述多个横向构件的至少一个连接至后横向构件和每个侧梁;
隔舱,其安装在后横向构件的端部的内部;其中,与后横向构件的端部相邻的用于支撑电池的多个横向构件的至少一个通过连接构件连接至后横向构件的端部和侧梁;
其中,所述连接构件包括:
第一连接部,其连接至后横向构件的端部和相应的用于支撑电池的横向构件;
其中,所述第一连接部通过接合构件接合至隔舱,以使第一连接部连接至后横向构件的端部。
2.根据权利要求1所述的车辆的电池支撑结构,其中,所述连接构件还包括:
第二连接部,其连接至每个侧梁的端部。
3.根据权利要求2所述的车辆的电池支撑结构,进一步包括两个侧构件,所述两个侧构件分别地安装在后地板的相对两侧,所述侧梁分别地安装在一对侧构件中。
4.根据权利要求3所述的车辆的电池支撑结构,其中,所述第一连接部包括:
顶部凸缘,其接合至每个侧构件的上部;
底部凸缘,其接合至每个侧构件的下部;以及
壁板,其连接至每个侧构件以及后横向构件的端部。
5.根据权利要求4所述的车辆的电池支撑结构,其中,所述第一连接部的顶部凸缘通过焊接接合至每个侧构件的上部。
6.根据权利要求4所述的车辆的电池支撑结构,其中,所述第一连接部的底部凸缘通过焊接接合至每个侧构件的下部,并且用于支撑电池的横向构件的端部通过接合构件接合至第一连接部的底部凸缘。
7.根据权利要求4所述的车辆的电池支撑结构,其中,所述第一连接部的壁板通过接合构件连接至每个侧构件以及后横向构件的端部。
8.根据权利要求3所述的车辆的电池支撑结构,其中,所述第二连接部包括:
顶部凸缘,其通过接合构件接合至每个侧梁的上部;
底部凸缘,其通过接合构件接合至每个侧梁的下部;以及
壁板,其通过接合构件接合至每个侧梁的侧壁。
9.根据权利要求1所述的车辆的电池支撑结构,进一步包括沿车身的纵向方向延伸的多个电池支撑纵向构件。
10.一种车辆,包括:
车身,其包括后地板;
多个电池支撑构件,其安装于后地板的底部表面以支撑电池单元,其中,所述多个电池支撑构件包括沿车身的横向方向延伸的用于支撑电池的多个横向构件;
两个侧梁,所述两个侧梁安装在后地板的相对两侧;以及
后横向构件,其安装在后地板的底部表面,其中,所述用于支撑电池的多个横向构件的至少一个连接至后横向构件和每个侧梁;
隔舱安装在后横向构件的端部的内部;
其中,与后横向构件的端部相邻的用于支撑电池的多个横向构件的至少一个通过连接构件连接至后横向构件的端部和侧梁;
其中,所述连接构件包括:
第一连接部,其连接至后横向构件的端部和相应的用于支撑电池的横向构件;
其中,所述第一连接部通过接合构件接合至隔舱,以使第一连接部连接至后横向构件的端部。
11.根据权利要求10所述的车辆,进一步包括沿车身的纵向方向延伸的多个电池支撑纵向构件。
12.根据权利要求10所述的车辆,进一步包括通过所述电池支撑构件支撑的电池。
13.根据权利要求10所述的车辆,其中,所述连接构件还包括:
第二连接部,其连接至每个侧梁的端部。
14.根据权利要求13所述的车辆,进一步包括两个侧构件,所述两个侧构件分别地安装在后地板的相对两侧,其中,所述侧梁分别地安装在一对侧构件中。
15.根据权利要求14所述的车辆,其中,所述第一连接部包括:
顶部凸缘,其接合至每个侧构件的上部;
底部凸缘,其接合至每个侧构件的下部;以及
壁板,其连接至每个侧构件以及后横向构件的端部。
16.根据权利要求15所述的车辆,其中,所述第一连接部的顶部凸缘通过焊接接合至每个侧构件的上部;
所述第一连接部的底部凸缘通过焊接接合至每个侧构件的下部,用于支撑电池的横向构件的端部通过接合构件接合至第一连接部的底部凸缘;
所述第一连接部的壁板通过接合构件连接至每个侧构件以及后横向构件的端部。
17.根据权利要求14所述的车辆,其中,所述第二连接部包括:
顶部凸缘,其通过接合构件接合至每个侧梁的上部;
底部凸缘,其通过接合构件接合至每个侧梁的下部;以及
壁板,其通过接合构件接合至每个侧梁的侧壁。
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