CN114981585A - 具有改进的密封的特别是用于氢的罐 - Google Patents
具有改进的密封的特别是用于氢的罐 Download PDFInfo
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
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Abstract
罐(10)包括界定储存腔室(14)并具有至少一个开口(16)的壳体(12),以及与壳体(12)的开口(16)连接的连接构件(20)。连接构件(20)包括界定管道的管状元件(22),以及环形元件(26)。壳体(12)包括界定开口(16)的边沿(18),边沿(18)被径向夹紧在管状元件(22)与环形元件(26)之间。
Description
技术领域
本发明涉及一种特别是用于氢的流体储罐,其旨在给车辆配备,例如,更具体地给机动车辆配备。
背景技术
包括界定流体储存腔室的壳体的罐在本领域现状中已经是已知的,具有用于向腔室中填充和/或从腔室中排出流体的至少一个开口。流体可以是气体或液体。
罐还包括在开口处固定到壳体上的连接构件,从而使罐能够与流体输送管道连接。连接构件通常包括阀,从而可以封闭腔室。
应当注意的是,在一些情况下,难以实现壳体与连接构件之间的密封。特别地,壳体通常由塑料制成,而连接构件由金属制成,这使得它们的组装困难。这可能因此导致泄漏,和/或需要长和/或复杂和/或昂贵的制造方法。
本发明特别是旨在通过提供以简单、可靠且有效的方式确保其密封的罐来补救上述缺点。
发明内容
为此,本发明的目的特别是在于一种特别是用于氢的流体储罐,其包括壳体和连接构件,壳体界定储存腔室并具有至少一个开口,连接构件与壳体的开口连接,其特征在于:
连接构件包括管状元件和环形元件,管状元件界定管道,并且
壳体包括界定开口的边沿,该边被径向夹紧在管状元件与环形元件之间。
根据本发明的连接构件的特定结构使得可以在开口的边沿与管状元件之间进行磁脉冲焊接。这种磁脉冲焊接使得能够以简单、可靠且有效的方式进行密封。
根据本发明的罐还可以包括单独地或以任何技术上可行的组合采用的以下特征中的一个或多个。
边沿径向围绕管状元件。
环形元件由导电材料、特别是金属制成。
管状元件由导电材料、特别是金属制成。
边沿通过磁脉冲焊接固定到管状元件上。
连接构件包括围绕管状元件的连接元件。
壳体由塑料制成。
本发明还涉及一种用于如上定义的储罐的制造方法,其特征在于,该制造方法包括:
预先制造壳体,该壳体具有至少一个开口并且包括界定开口的边沿。
提供界定管道的管状元件,并且将管状元件插入到边沿中或将边沿插入到管状元件中,以及
提供环形元件;以及
径向夹紧,以便在管状元件与环形构件之间径向夹紧边沿。
根据本发明的制造方法还可以包括单独地或以任何技术上可行的组合采用的以下特征中的一个或多个。
径向夹紧通过将边沿与管状元件磁脉冲焊接来实现。
在磁脉冲焊接之后,制造方法包括放置连接元件,该连接元件围绕管状元件。
附图说明
本发明的各个方面和优点将在下面仅通过举例的方式给出并参照附图进行的描述中突出显示,在附图中:
[图1]图1以轴向剖面部分地表示根据本发明的一个示例实施方式的罐;
[图2][图3]图2和图3是与图1类似的视图,表示在用于制造图1的罐的方法的两个阶段期间的该罐。
具体实施方式
图1中示出的是根据本发明的一个示例实施方式的流体储罐10。在所描述的例子中,根据期望的应用,所储存的流体是液态或气态形式的氢。
储罐10包括壳体12,该壳体12界定流体储存腔室14。例如,壳体12具有围绕纵向轴线的大致旋转形状。例如,以常规方式,壳体12由塑料材料制成。
壳体12具有至少一个开口16,该开口形成用于将流体填充到腔室14中和/或用于将流体从腔室14中排出的通道。
在开口16处,壳体12具有围绕轴线X周向延伸的边沿18。轴线X例如与壳体12的纵向轴线重合。该边沿18径向界定所述开口16。
边沿18优选在腔室14外延伸。在一个变型中,边沿18可以在腔室14内延伸。
罐10还包括与壳体12连接的连接构件20,这将在下文中描述。
根据本发明的连接构件20以若干部分形成,特别是包括管状元件22和连接元件24。
如图1所示,管状元件22具有围绕X轴线的大致旋转形状。管状元件22部分地延伸到开口16中,其中边沿18径向围绕该管状元件22。边沿18通过磁脉冲焊接固定到管状元件22上,这将稍后描述。
连接元件24也具有围绕X轴线的大致旋转形状。连接元件24围绕管状元件22径向布置。连接元件24通过任何可想到的方式(例如通过互锁)固定到管状元件22上。
管状元件22在内部界定通过开口16与腔室14流体连通的管道。连接元件24具有可以通过本身已知的方式与为此目的设置的管道进行连接的传统的外部形状。
应当注意的是,连接元件24包括覆盖边沿18的基部25,特别地,基部25被插入由壳体12形成的互补凹部27中。
管状元件22由导电材料制成,优选由金属材料制成,例如铝或不锈钢。连接元件24还优选由金属材料(诸如铝或不锈钢)制成。
最后,罐10包括径向围绕边沿18的环形元件26。
环形元件26由导电材料制成,优选由金属材料制成,例如钢、不锈钢、铝或铜。
优选地,环形元件26由铝制成,以避免电化锈蚀问题。另外,铝比钢更容易形成。
还可以通过在环形元件26与连接元件24之间提供足够的绝缘和/或空间来避免电化锈蚀问题。
环形元件26用于进行边沿18与管状元件22的磁脉冲焊接,使得边沿18在现在将参照图2和图3描述的制造方法中被径向夹紧在管状元件22与环形元件26之间。
制造方法包括预先生产壳体12,壳体12至少具有开口16和界定开口16的边沿18。例如,壳体12通过模制制成。
该方法然后包括提供管状元件22,并将该管状元件22插入到开口16中,使得边沿18径向围绕管状元件22。应当注意的是,管状元件22优选在其外表面上包括肩部28,该肩部28旨在抵靠边沿18的端部30,以便限制管状元件22在开口16中的插入。
制造方法然后包括将环形元件26围绕边沿18插入,如图3所示。在所描述的实施方式中,由于该环形元件26的直径大于管状元件22的直径的事实,该插入是可行的。
该环形元件26使得能够进行管状元件22与边沿18的磁脉冲焊接。
通过使由管状元件22、边沿18和环形元件16形成的组件经受高振幅磁场来进行磁脉冲焊接。该磁场随着时间的推移是高度可变的,使得其在环形元件26中产生感应电流(涡电流)。
磁场与环形元件26中的感应电流之间的相互作用产生强的磁源力,其机械地作用在环形元件26上。这些磁力将磁能转换成机械能,非常突然地作用在环形元件26上。环形元件26然后急剧缩回,使得边沿18被夹紧在该环形元件26与管状元件22之间。
通过磁脉冲焊接的紧固是显著的,因为边沿18被非常紧密地夹紧在环形元件26与管状元件22之间,而无需熔化材料或无需存在任何粘结剂。因此,根据本发明容易确定这些元件实际上通过磁脉冲焊接被固定的时间。
在磁脉冲焊接之后,例如通过互锁将连接元件24放置在管状元件22周围,以获得图1所示的罐。
应当注意的是,本发明能够以足以提供最佳密封的稳固的方式连接由不同材料制成的两个元件,而不需要垫圈。
应当注意的是,本发明不限于先前描述的实施方式,而是可以具有不同的变型。
例如,管状元件22可径向围绕边沿18,在这种情况下,环形元件26将布置在边沿18内。
在另一个实施方式中,连接元件24可在磁脉冲焊接之后被包覆成型到管状构件上。
Claims (10)
1.一种特别是用于氢的流体储罐(10),其包括壳体(12)和连接构件(20),所述壳体(12)界定储存腔室(14)并具有至少一个开口(16),所述连接构件(20)与所述壳体(12)的所述开口(16)连接,其特征在于:
所述连接构件(20)包括管状元件(22)和环形元件(26),所述管状元件(22)界定管道,并且
所述壳体(12)包括界定所述开口(16)的边沿(18),所述边沿(18)被径向夹紧在所述管状元件(22)与所述环形元件(26)之间。
2.根据权利要求1所述的储罐(10),其特征在于,所述边沿(18)径向围绕所述管状元件(22)。
3.根据权利要求1或2所述的储罐(10),其特征在于,所述环形元件(26)由导电材料、特别是金属制成。
4.根据前述任一项权利要求所述的储罐(10),其特征在于,所述管状元件(22)由导电材料、特别是金属制成。
5.根据前述任一项权利要求所述的储罐(10),其特征在于,所述边沿(18)通过磁脉冲焊接固定到所述管状元件(22)上。
6.根据前述任一项权利要求所述的储罐(10),其特征在于,所述连接构件(20)包括围绕所述管状元件(22)的连接元件(24)。
7.根据前述任一项权利要求所述的储罐(10),其特征在于,所述壳体(12)由塑料制成。
8.一种根据前述任一项权利要求所述的储罐(10)的制造方法,其特征在于,所述制造方法包括:
预先制造壳体(12),所述壳体(12)具有至少一个开口(16)并且包括界定所述开口(16)的边沿(18),
提供界定管道的管状元件(22),并且将所述管状元件(22)插入到所述边沿(18)中或将所述边沿(18)插入到所述管状元件(22)中,
提供环形元件(26),以及
径向夹紧,以便在所述管状元件(22)与所述环形构件(26)之间径向夹紧所述边沿(18)。
9.根据权利要求8所述的制造方法,其特征在于,所述径向夹紧通过将所述边沿(18)磁脉冲焊接到所述管状元件(22)上来实现。
10.根据权利要求8或9所述的制造方法,其包括在所述磁脉冲焊接之后放置连接元件(24),所述连接元件(24)围绕所述管状元件(22)。
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PCT/EP2021/050546 WO2021144294A1 (fr) | 2020-01-15 | 2021-01-13 | Réservoir, notamment pour hydrogène, à étanchéité améliorée |
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US20230062808A1 (en) | 2023-03-02 |
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