CN113978270A - 车辆电池组及包括该车辆电池组的车辆 - Google Patents
车辆电池组及包括该车辆电池组的车辆 Download PDFInfo
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Abstract
本公开涉及一种车辆电池组以及包括该车辆电池组的车辆,该车辆电池组包括:外壳,具有内部空间以将电池单元容纳在内部空间中;入口,将空气引入到外壳的内部空间中;出口,将空气从外壳的内部空间排出;以及能膨胀泡沫构件,设置在入口和出口中的每个的至少一部分中。
Description
技术领域
本公开涉及一种车辆电池组以及一种包括该车辆电池组的车辆。
背景技术
本部分中的陈述仅提供与本公开相关的背景信息并且可能不构成现有技术。
诸如混合动力车辆和电动车辆的环保车辆配备有电池,该电池构造为存储电能以用于驱动产生动力的马达。
近些年来,随着各种类型的车辆(诸如一般汽车、SUV(运动型多用途车)、MPV(多用途车辆)和小型卡车)都已电气化,已开发出各种布局以提供用于将电池安装在电动车辆中的空间。
具体地,由于当设置在电池中的电池单元充电或放电时电池产生高温热量,因此需要形成一种这样的电池安装结构,该电池安装结构能够在使从电池产生的热量容易地消散的同时确保用于在车辆中容纳乘客或者装载行李的充足的空间。
作为一种示例性电池安装结构,已知一种气冷电池安装结构,其中,电池在车辆中设置在第二排座椅下方,并且用于冷却电池的冷却空气从车辆的内部供应并排出到车辆的外部。
这种传统的气冷电池安装结构主要被应用到座椅位置相对高的SUV,这是有利的,因为利用了第二排座椅下方的空间。然而,我们已发现由于冷却空气从具有传统电池安装结构的车辆的内部供应,所以冷却空气进气口暴露于车辆的内部。当由于各种原因而引起的电池内部的电池单元中的热失控导致发生火灾时,火焰或者有害气体可通过冷却空气进气口进入车辆的内部,这对乘客可能是有害的或者致命的。
在该背景部分中公开的信息仅用于加强对本公开的一般背景的理解,而不应被视为承认或者以任何形式建议这些信息形成本领域技术人员已知的相关技术。
发明内容
本公开提供了一种车辆电池组以及一种包括该电池组的车辆,该车辆电池组能够在电池组内部的电池单元中发生热失控时通过阻挡空气进入电池组来最小化或抑制火灾的发生并且延迟燃烧。
根据本公开的一方面,一种车辆电池组包括:外壳,具有内部空间以将电池单元容纳在该内部空间中;入口,构造为将空气引入到外壳的内部空间中;出口,构造为将空气从内部空间排出;以及能膨胀泡沫构件,设置在入口与出口中的每个的至少一部分中。当内部空间的温度变得等于或高于预设温度时,能膨胀泡沫构件膨胀并中断空气通过入口和出口中的每个的至少一部分的引入。
在本公开的一种形式中,入口可实施为管道的形式,该管道在用于引入空气的方向上敞开。
在本公开的另一种形式中,管道可设置成从车辆的内部引入空气。
在本公开的一些形式中,出口可实施为连接管的形式,该连接管将内部空间连接到设置在外壳外部的部件。
在本公开的一些形式中,车辆电池组还可包括连接到出口的风扇,以从出口抽吸空气。
在本公开的一些形式中,风扇可将抽吸的空气排出到与车辆的另一通风结构相连接的空气排出结构。
根据本公开的另一方面,一种车辆包括:电池组,安装在设置在车辆的内部中的座椅下方,该电池组包括:外壳,具有内部空间以将电池单元容纳在该内部空间中;入口,构造为将空气引入到外壳的内部空间中;出口,构造为将空气从外壳的内部空间排出;以及能膨胀泡沫构件,设置在入口和出口中的每个的至少一部分中。入口将空气从车辆的内部引入到外壳的内部空间,并且通过出口排出的空气通过车辆的另一个结构沿着车辆的侧表面流动并且排出到车辆的外部。
在本公开的一种形式中,入口可实施为管道的形式,该管道朝向车辆的内部敞开,以便将空气从车辆的内部引入到外壳的内部空间。
在本公开的另一种形式中,管道可在朝向坐在座椅上的乘客的腿定向的方向上敞开。
在本公开的一种形式中,电池组还可包括风扇,该风扇连接到出口并构造为从出口抽吸空气。
在本公开的一些形式中,该车辆还可包括:内部材料,设置在车辆的侧表面上;以及排气格栅,设置在车辆的车身的后侧向部分处,从出口排出的空气可通过内部材料与车辆的车身之间的空间传送到排气格栅并且可排出到车辆的外部。
通过本文提供的描述,其他应用领域将变得显而易见。应当理解,该描述和具体示例仅旨在用于说明的目的,而非旨在限制本公开的范围。
附图说明
为了可充分地理解本公开,现在将参考附图来描述本公开的通过示例给出的各种形式,在附图中:
图1是根据本公开的一种形式的车辆电池组的立体图;
图2是沿图1所示的电池组中的线A-A’截取的横截面图;
图3是图2所示的车辆电池组的入口的放大横截面图;
图4是图2所示的车辆电池组的出口的放大横截面图;以及
图5是其中本公开的一种形式的车辆电池组安装在车辆中的结构的立体图。
本文中描述的附图仅用于说明的目的,而非旨在以任何方式限制本公开的范围。
具体实施方式
以下描述本质上仅是示例性的,而非旨在限制本公开、应用或用途。应当理解,贯穿附图,相应的参考标号表示相同或相应的零件和特征。
下文中,将参考附图描述根据本公开的示例性形式的车辆电池组。
图1是根据本公开的一种形式的车辆电池组的立体图,以及图2是沿图1所示的电池组中的线A-A’截取的横截面图。
参考图1和图2,车辆电池组10可包括:外壳100,其中具有用于容纳电池单元111的空间;入口210,空气通过该入口引入到外壳100中以冷却电池单元111;出口220,用来冷却电池单元111的空气通过该出口排出到外壳100的外部;以及能膨胀泡沫构件21和22,设置在入口210和出口220中的每个的至少一部分中。
外壳100在其中可具有用于容纳电池单元111的内部空间,该电池单元是存储电能的单元结构。
在外壳100中不仅可容纳电池单元111,还可容纳诸如继电器和辅助电池的电气部件,该继电器构造为允许或中断包括电池单元111的电池模块110与外部装置之间的电连接,该辅助电池构造为向车辆的电气部件供应电力。电池模块110可安装在与外壳100内部的其他电气部件隔开的空间中。
电池单元111是一种存储电能的单元结构,该电池单元可设置为模块110的形式。
一个电池模块110可包括彼此电连接的多个电池单元111。包括在一个电池模块110中的多个电池单元111可布置成预设布置。具体地,在借助于空气来冷却的气冷电池的情况中,电池单元111可布置成使空气穿过电池单元111之间。
电池组10的外壳100中的容纳空间中可安装多个电池模块110。
入口210是用于将冷却空气从外壳100外部引入到外壳100中的零件,该入口可形成在外壳100中。如在图1和图2中所示的,入口210可实施为管道11的形式,该管道在用于引入空气的方向上敞开。引入到管道11中的外部空气可通过形成在外壳100中的通孔而进入外壳100中的设置有电池单元111的空间。
出口220是用于将外壳100中的空气排出到外壳100的外部的零件,该出口可形成为连接到形成在外壳100中的通孔。如图2所示,出口220可实施为连接管的形式,该连接管将形成在外壳100中的通孔连接到风扇13。
如在图2中的虚线箭头所示,通过入口210引入到外壳100中的设置有电池单元111的空间中的空气可穿过电池单元111之间的空间,并可通过出口220排出到外壳100的外部。出口220可连接到用于形成气流的风扇13。
可驱动风扇13以从电池组10的外壳100中的出口220抽吸空气,并将空气排出到与车辆的另一个通风结构相连接的空气排出结构12。
图3是图2所示的车辆电池组的入口的放大横截面图,以及图4是图2所示的车辆电池组的出口的放大横截面图。
如在图3和图4中更详细地示出的,能膨胀泡沫构件21和22可分别设置在根据本公开的一种形式的车辆电池组10的入口210和出口220中。
能膨胀泡沫构件21和22由这样的材料制成,该材料响应于环境温度的上升而膨胀(例如,包含能膨胀材料的聚氨酯材料)。在发生在外壳100内部的电池单元111中产生过量热量的热失控现象时,能膨胀泡沫构件21和22可膨胀成在物理上阻挡入口210和出口220,从而抑制或防止外部空气进入外壳100中的设置有电池单元111的空间。
如详细地描述的,当在电池单元111中发生热失控并且电池组10的内部温度变得等于或高于能膨胀泡沫构件21和22的膨胀起始温度时,能膨胀泡沫构件可在体积上增大并可在物理上阻挡入口210和出口220,如由参考标号21’和22’所指出的。一旦入口210和出口220被阻挡,发生热失控的电池组10中的内部空间变得封闭,并且阻挡了外部空气进入到内部空间中的引入。
由于能膨胀泡沫构件21’和22’已膨胀,所以几乎没有包含燃烧所需氧气的外部空气进入电池组10中的内部空间,由此可抑制电池组10内部的燃烧。即使发生燃烧,可通过中断氧气的供应来抑制继续燃烧并且可阻挡火焰或有害燃烧气体从入口210或出口220流出。
能膨胀泡沫构件21和22可制造成在电池单元111中将要发生热失控的温度下膨胀。另外,可考虑到能膨胀泡沫构件21和22的膨胀程度以及入口210和出口220中的每个的敞开尺寸来适当地设定在正常状态下(即,在非膨胀状态下)设置在入口210和出口220中的能膨胀泡沫构件21和22的尺寸,以保证在电池单元111的正常状态下冷却空气的平稳流动。
图5是其中根据本公开的一种形式的车辆电池组安装在车辆中的结构的立体图。
参考图5,电池组10可设置于在此设置有车辆的第二排座椅的位置310下方。形成入口的管道11可从车辆的内部抽吸空气并可将这些空气供应到电池组10的内部。管道11可形成为朝向坐在第二排座椅上同时面向车辆的前侧的乘客的腿所放置的位置320定向。
通过风扇13的操作从电池组10的内部通过电池组10的出口排出的空气可穿过空气排出结构12,并可通过第二排座椅的侧座椅330与车身300的第二排侧表面之间的空间流到车辆的后侧。
已穿过第二排座椅的侧座椅330与车身300的第二排侧表面之间的空间的空气可通过双排车辆的车身300与设置在侧座椅330后方的车辆的内部材料(未示出)之间的空间传送到形成在车辆的后侧向部分处的排气格栅340。排气格栅340是设置在形成于车身300中的通孔中的结构,并且可用于将通过双排车辆的车身300与车辆的内部材料(未示出)之间的空间传送到排气格栅的空气排出到车辆的外部。
通过上文的描述显而易见的是,根据本公开的各种形式的车辆电池组以及包括该车辆电池组的车辆,在安装在电池组中的电池单元的温度异常升高时,安装在入口和/或出口(空气由此引入到电池组中)中的能膨胀泡沫构件可膨胀并可中断气流,由此减少或最小化引入到电池组中的氧气,从而最小化或防止电池组内部的燃烧。因此,可提高车辆的安全性并且在发生燃烧时提供充足的时间以供乘客逃离车辆。
另外,即使在电池组中发生燃烧,能膨胀泡沫构件可通过中断供应到发生燃烧的空间的氧气来抑制继续燃烧,并且可阻挡火焰或有害燃烧气体被引入到与车辆的内部联通的入口。
然而,可通过这些形式实现的效果不限于上述效果,通过上文的描述,本领域技术人员可清楚地理解本文中未提到的其他效果。
尽管出于说明性目的公开了本公开的示例性形式,但本领域技术人员应理解在不脱离本公开的范围和精神的情况下可进行各种修改、补充和替代。
Claims (11)
1.一种车辆电池组,包括:
外壳,形成内部空间以将电池单元容纳在所述内部空间中;
入口,构造为将空气引入到所述外壳的所述内部空间中;
出口,构造为将空气从所述外壳的所述内部空间排出;以及
能膨胀泡沫构件,设置在所述入口和所述出口中的每个的至少一部分中,
其中,当所述内部空间的温度变得等于或高于预设温度时,所述能膨胀泡沫构件构造为膨胀并中断空气通过所述入口和所述出口中的每个的至少一部分的引入。
2.根据权利要求1所述的车辆电池组,其中,所述入口实施为管道的形式,所述管道在用于引入空气的方向上敞开。
3.根据权利要求2所述的车辆电池组,其中,所述管道构造为将空气从车辆的内部引入到所述外壳的所述内部空间。
4.根据权利要求1所述的车辆电池组,其中,所述出口实施为连接管的形式,所述连接管将所述内部空间连接到设置在所述外壳的外部的部件。
5.根据权利要求1所述的车辆电池组,还包括:
风扇,连接到所述出口并且构造为从所述出口抽吸空气。
6.根据权利要求5所述的车辆电池组,其中,所述风扇构造为将抽吸的空气排出到与车辆的另一个通风结构相连接的空气排出结构。
7.一种车辆,包括:
电池组,安装在设置在所述车辆的内部中的座椅下方,
其中,所述电池组包括:
外壳,具有内部空间以在将电池单元容纳在所述内部空间中;
入口,构造为将空气引入到所述外壳的所述内部空间中;
出口,构造为将空气从所述外壳的所述内部空间排出;以及
能膨胀泡沫构件,设置在所述入口和所述出口中的每个的至少一部分中,并且
其中:
所述入口构造为将空气从所述车辆的内部引入到所述外壳的所述内部空间,并且
通过所述出口排出的空气通过所述车辆的另一个结构沿着所述车辆的侧表面流动并且排出到所述车辆的外部。
8.根据权利要求7所述的车辆,其中,所述入口实施为管道的形式,所述管道朝向所述车辆的内部敞开并且构造为将空气从所述车辆的内部引入到所述外壳的所述内部空间。
9.根据权利要求8所述的车辆,其中,所述管道在朝向坐在所述车辆的座椅上的乘客的腿定向的方向上敞开。
10.根据权利要求7所述的车辆,其中,所述电池组还包括风扇,该风扇连接到所述出口并且构造为从所述出口抽吸空气。
11.根据权利要求7所述的车辆,还包括:
内部材料,设置在所述车辆的侧表面上;以及
排气格栅,设置在所述车辆的车身的后侧向部分处,
其中,从所述出口排出的空气通过所述内部材料与所述车辆的所述车身之间的空间传送到所述排气格栅并且排出到所述车辆的外部。
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