CN112351903A - 用于在车辆中固定诸如氢气的气体的存储装置的设备 - Google Patents
用于在车辆中固定诸如氢气的气体的存储装置的设备 Download PDFInfo
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Abstract
一种固定设备,确保将具有圆形端部的圆柱体类型的气体存储装置固定在底板下面。该设备包括第一和第二存储装置固定部件(CH1、CH2),每个存储装置固定部件包括固定盘(PF)和端部支撑装置(RE),固定盘集成有底板下机械固定接口,端部支撑装置与固定盘组装并具有适合接收和支撑存储装置的圆形端部的形状(VI)。根据本发明,端部支撑装置包括力分配径向隔板(LA)所形成的网,力分配径向隔板围绕与存储装置的安装轴线相对应的中轴线(AX)分布,并且具有适合圆形端部的表面形状的接触轮廓。
Description
技术领域
本发明总体涉及以诸如氢气的气体为燃料的车辆领域,尤其是具有燃料电池的电动车辆。更具体地,本发明涉及一种用于将诸如氢气的气体的存储装置固定在车辆、尤其是机动车辆中的设备。
背景技术
装载在车辆中的氢气存储装置通常是圆柱体形状的瓶。在瓶内,氢以通常700bar压强的高压气体的形式来储存。这种技术能够储存足够的氢,以为装备燃料电池的机动车辆提供500至600km的最大行程。
通常地,在车辆内部使用氢作为燃料存在与碰撞或火灾时可能出现的泄露和爆炸风险相关的安全问题。因此,装载在车辆中的氢气存储装置遵守涉及其使用期限、密封性、防碰撞保护和其他与安全相关方面的规范。
防碰撞、尤其是防侧面碰撞的保护需要特别注意考虑到可能的后果。将氢气存储装置安装在车辆的中心区域有利于能够吸收部分碰撞能量的变形区域介入。在车辆的车身下面安装氢气存储装置是有利的解决方案,并且允许在行李箱和驾驶室内保留舒适空间。在车身下面的安装提供了更大的空间利用率,其有利于针对不同的限制进一步优化安装。此外,在氢气存储装置超压的情况下,在车身下面的安装便于气体快速排放并扩散到外部环境,因此减小爆炸的风险。
另一方面,为了满足汽车工业的标准化要求,期望氢气存储装置的安装方案能够容易地集成到现有的车辆平台。
通过文献US20170334288A1已知一种通过支撑设备在车辆底盘悬挂压缩气体圆柱瓶的方法。支撑设备包括保护罩和多个环状固定带。瓶被安装在保护罩之间,保护罩罩住瓶的圆形端部。通过在两个圆形端部以及沿瓶长度的一个或多个中间点处的保护罩和环状固定带,确保瓶在车辆底盘上的机械固定。为了防碰撞保护,推荐使用弹性体装置或弹簧。
发明内容
需要一种用于固定诸如氢气的气体的存储装置的设备,其适于横向或纵向安装存储装置,从而允许易于集成在车辆平台中并有助于保护存储装置免受碰撞。
根据第一方面,本发明涉及一种用于将气体存储装置固定在车辆底板下面的设备,气体存储装置是圆柱体类型的并包括圆形端部,设备包括第一和第二存储装置固定部件,每个该存储装置固定部件包括固定盘和端部支撑装置,固定盘集成有底板下机械固定接口,端部支撑装置与固定盘组装并具有适合接收和支撑气体存储装置的圆形端部的形状。根据本发明,端部支撑装置包括力分配径向隔板网,力分配径向隔板围绕与气体存储装置的安装轴线相对应的中轴线分布,并且具有适合圆形端部的表面形状的接触轮廓。
根据特定特征,第一和第二存储装置固定部件各自由相同的标准部件形成。
根据另一特定特征,力分配径向隔板网是通过包括聚丙烯的材料、以及/或者BMC型和/或SMC型复合材料制成的,并且隔板具有包括在2.5毫米和3.5毫米之间的厚度。
根据另一特定特征,每个存储装置固定部件包括设置在固定盘和端部支撑装置之间的缓冲器。
根据另一特定特征,缓冲器包括由弹性体材料和/或复合材料形成且厚度包括在5毫米至20毫米之间的缓冲层。
根据另一特定特征,缓冲层包括气体管道通过槽。
根据另一特定特征,固定盘包括设置在气体管道通过孔周围的环状固定加强件,环状固定加强件包括至少一个固定螺钉通过孔并形成底板下机械固定接口。
根据另一特定特征,固定盘由钢或铝制成。
根据另一方面,本发明还涉及一种具有气体存储装置的车辆,该气体存储装置包括至少一个安装在底板下面的圆柱体类型的氢气瓶,并且包括如上简述的固定设备。
本发明还涉及一种在标准车辆平台的基础上生产的车辆,其中如上简述的固定设备的端部固定部件的固定盘固定在该车辆平台的标准固定件上。
附图说明
通过阅读以下本发明的参照附图的多个特定实施例的详细描述,本发明的其他优点和特征将更清楚地显现,在附图中:
图1A和图1B是示出氢气瓶在同一车辆平台的底板下面的不同安装配置的截断透视图;
图2是根据本发明的通过固定设备悬挂在底板下面的氢气瓶的纵向截面示意图;
图3和图4是示出根据本发明的包括在固定设备中的固定罩和固定罩在底板下面的固定的局部透视图;
图5是图3和图4的固定罩的分解透视图;
图6是示出根据本发明的包括在固定罩中的力分配径向隔板网的截取透视图;并且
图7是示出通过力分配径向隔板网实现对力的分配的纵向局部截面示意图
具体实施方式
图1A和图1B示出多个氢气瓶B1L、B2L和B1T至B3T形式的氢气存储装置在同一车辆平台PV的底板下面的两种不同安装。这里氢气瓶B1L、B2L和B1T至B3T是具有圆形端部的圆柱形状。
在图1A中,氢气瓶B1L、B2L纵向并排安装,即沿车辆的长度方向安装。在图1B中,氢气瓶B1T至B3T横向并排安装。
根据本发明,氢气瓶在其两个圆形端部处以悬挂的方式固定在底板下面。
在该车辆平台PV上,以防碰撞保护框架CP的形式存在于车辆平台中的结构被用于氢气瓶的安装。框架CP例如是机械加强框架,其在平台PV中还用于电力电池包的安装。这里的框架CP是总体矩形的形状并包括两个纵梁LG1、LG2和两个横梁TV1、TV2。然而应当注意到,防碰撞保护框架CP不是本发明所必须的。氢气瓶具有很高的机械刚度,以便承受压缩气体的内部压力。氢气瓶按照二级安全系数设计并且可以承受直至1500bar的压强。在一些车辆平台中,氢气瓶的机械刚度可能被证明是足够的,而不需要配置如图1A和图1B中示出的框架CP的刚性结构来保护氢气瓶免受碰撞。
参照图2至图4,借助于根据本发明的用于固定氢气瓶的设备,氢气瓶B通过在其两个圆形端部EA1和EA2被悬挂而固定在底板下面。
用于固定氢气瓶的设备由两个固定罩CH1和CH2形成。这里的固定罩CH1和CH2是相同的标准固定部件,这有利于通过量产效应降低成本。
氢气瓶B通过其两个端部EA1和EA2而被夹紧在固定罩CH1和CH2之间。固定罩CH1、CH2通过螺钉VS固定到固定件PT1、PT2,固定件PT1、PT2分别与车辆平台的结构元件ST1、ST2机械地连成一体。在该实施例中,结构元件ST1、ST2是图1A和图1B中可见的纵梁LG1、LG2或横梁TV1、TV2。
参考图5至图7,每个固定罩CH1、CH2主要包括力分配杯状体RE、缓冲器DP和形成固定接头的固定盘PF。
如图5所示,这里的力分配杯状体RE具有总体圆柱形的形状。力分配杯状体RE形成用于瓶B的圆形端部EA1和EA2的端部支撑装置。
根据本发明,力分配杯状体RE包括开放的内部容积VI,内部容积VI设置成接收和支撑瓶的圆形端部EA1、EA2。由多个径向内部隔板LA形成的网被设置在内部容积VI的内部。
在力分配杯状体RE的内部容积VI中,隔板LA从杯状体的圆形壁PC朝向中轴线AX径向延伸。中轴线AX对应杯状体的旋转轴线和氢气瓶B的安装轴线。
圆形壁PC确保对隔板LA的机械支撑。隔板LA规律地分布在杯状体RE的内圆周上。以轴线AX为中心的孔TR1设置在杯状体RE的后壁中。该中央孔TR1被设置用于气体管道的通过。
如在图6的截取图和图2和图7的示意图中可见,隔板LA具有适合瓶B的端部EA1、EA2的表面形状SR的接触轮廓PR。在该实施例中,接触轮廓PR基本符合端部EA1、EA2的表面形状SR。隔板LA的网确保对整个端部EA1、EA2的表面的分散支撑,并且因此履行重新分配和平衡在碰撞时作用在瓶B上的力的功能。
通过隔板LA的网确保的力的分配和平衡功能在图7中示意性示出。隔板LA将在瓶B的端部上的碰撞力FC的能量分配为以更均匀的方式施加在该瓶B的主体上的力EF。
在该实施例中,力分配杯状体RE是模塑而成的部件。聚丙烯或者诸如BMC(“BulkMolding Compound(团状模塑料)”)或SMC(“Sheet Molding Compound(片状模塑料)”)的复合材料可以被用作制造该部件的材料。根据使用的材料,隔板LA的厚度通常包括在2.5mm和3.5mm之间。
如图2和图5所示,这里的缓冲器DP以在中心有孔TR2的圆柱形盘的形状呈现,该圆柱形盘具有缓冲材料层。缓冲器DP被夹紧在力分配杯状体RE的后表面和固定盘PF之间。通常通过加工形成的槽RA可以设置在缓冲器DP中,用于气体管道的通过。
缓冲器DP通常由弹性体材料制成。然而,还可以使用复合材料。根据使用的材料和应用,缓冲器DP具有的厚度在5mm至20mm之间。缓冲器DP履行过滤机械力峰值的功能。
这里的固定盘PF以在中心有孔TR3的圆柱体盘的形式呈现。固定盘PF尤其包括环状固定加强件RF1和覆盖凸缘RC。根据应用,固定盘PF例如由钢或铝制成。
如图4和图5所示,环状固定加强件RF1围绕中央孔TR3,并且包括多个以圆形分布在中轴线AX周围的螺纹孔PA1。
如图3所示,固定件PT1、PT2还包括标记为RF2的环状固定加强件,该环状固定加强件围绕孔TR4并包括多个螺钉通过孔PA2。在安装瓶B时,环状固定加强件RF1和RF2形成用于将盘PF固定到固定件PT1、PT2的机械接口。在孔PA1和PA2中同时进行的螺丝VS的紧固确保将盘PF机械固定在固定件PT1和PT2上。
固定盘PF的覆盖凸缘RC的高度根据应用、尤其根据缓冲器DP的厚度来调节。如图2和图5的示意图所示,力分配杯状体RE的后部嵌入盘PF,该盘PF的凸缘RC围绕杯状体RE的圆形壁PC的后端部。缓冲器DP保持在杯状体RE和盘PF之间。
应注意到,固定件PT1、PT2可以是车辆平台中的标准元件,不仅可以用于固定氢气瓶,也可以用于固定电力电池包。对于电力电池包的固定,除了孔PA2之外,固定件PT1、PT2的孔TR4也可以用于螺钉通过。
如图2中通过虚线所示,根据本发明的用于固定氢气瓶的设备允许两个用于气体管道的通过配置P1和P2。
在第一通过配置P1中,通过经由罩的齐平的中央孔TR1、TR2和TR3、以及固定件PT1、PT2的孔TR4,气体管道离开固定罩CH1、CH2。
在第二通过配置P2中,气体管道通过经由为此目的设置的缓冲器DF的槽RA而离开固定罩CH1、CH2。
本发明不受在此作为示例描述的特定实施例的限制。根据本发明的应用,本领域的技术人员可以进行落入本发明的保护范围内的各种修改和变型。
Claims (10)
1.一种用于将气体存储装置(B)固定在车辆底板下面的设备,所述气体存储装置(B)是圆柱体类型的并包括圆形端部(EA1、EA2),所述设备包括第一和第二存储装置固定部件(CH1、CH2),每个所述存储装置固定部件(CH1、CH2)包括固定盘(PF)和端部支撑装置(RE),所述固定盘集成有底板下机械固定接口,所述端部支撑装置与所述固定盘(PF)组装并具有适合接收和支撑所述气体存储装置(B)的圆形端部(EA1、EA2)的形状(VI),其特征在于,所述端部支撑装置(RE)包括力分配径向隔板(LA)所形成的网,所述力分配径向隔板(LA)围绕与所述气体存储装置(B)的安装轴线相对应的中轴线(AX)分布,并且具有适合所述圆形端部(EA1、EA2)的表面形状(SR)的接触轮廓(PR)。
2.根据权利要求1所述的固定设备,其特征在于,所述第一和第二存储装置固定部件(CH1、CH2)各自由相同的标准部件形成。
3.根据权利要求1或2所述的设备,其特征在于,所述力分配径向隔板(LA)所形成的网是通过包括聚丙烯的材料、以及/或者BMC型和/或SMC型复合材料制成的,并且所述隔板(LA)具有的厚度包括在2.5毫米和3.5毫米之间。
4.根据权利要求1至3中任一项所述的设备,其特征在于,每个所述存储装置固定部件(CH1、CH2)包括设置在所述固定盘(PF)和所述端部支撑装置(RE)之间的缓冲器(DP)。
5.根据权利要求4所述的设备,其特征在于,所述缓冲器(DP)包括由弹性体材料和/或复合材料形成且厚度包括在5毫米至20毫米之间的缓冲层。
6.根据权利要求5所述的设备,其特征在于,所述缓冲层包括气体管道通过槽(RA)。
7.根据权利要求1至6中任一项所述的设备,其特征在于,所述固定盘(PF)包括设置在气体管道通过孔(TR3)周围的环状固定加强件(RF1),所述环状固定加强件(RF1)包括至少一个固定螺钉通过孔(PA1)并形成所述底板下机械固定接口。
8.根据权利要求1至7中任一项所述的设备,其特征在于,所述固定盘(PF)由钢或铝制成。
9.一种具有气体存储装置的车辆,所述气体存储装置包括至少一个安装在底板下面的圆柱体类型的氢气瓶(B),其特征在于,所述车辆包括根据权利要求1至8中任一项所述的固定设备。
10.根据权利要求9所述的车辆,所述车辆是在标准的车辆平台的基础上生产的,其特征在于,所述固定设备的端部固定部件(CH1、CH2)的固定盘(PF)固定在所述车辆平台的标准的固定件(PT1、PT2)上。
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PCT/FR2019/051331 WO2020012080A1 (fr) | 2018-07-09 | 2019-06-05 | Dispositif de fixation de réservoir de gaz, tel qu'hydrogène, dans un véhicule |
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CN112977054B (zh) * | 2021-04-08 | 2022-06-17 | 吉林大学 | 一种便于拆装的氢燃料电池汽车车载供氢装置 |
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