CN110614900A - 机动车的蓄电池的冷却 - Google Patents

机动车的蓄电池的冷却 Download PDF

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CN110614900A
CN110614900A CN201910532225.4A CN201910532225A CN110614900A CN 110614900 A CN110614900 A CN 110614900A CN 201910532225 A CN201910532225 A CN 201910532225A CN 110614900 A CN110614900 A CN 110614900A
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air flow
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motor vehicle
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O.布拉斯
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Robert Bosch GmbH
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Abstract

本发明涉及一种具有电驱动马达(2)的机动车(1),该机动车具有蓄电池(5)、乘客内部空间(10)和内部空间风扇(20),该内部空间风扇构造用于形成空气流。建议设置通风通道(30),该通风通道这样引导空气流,使得空气流能吸收来自蓄电池(5)的热能,并且这样来构造通风通道(30),使得该通风通道将空气流输送给乘客内部空间(10)。

Description

机动车的蓄电池的冷却
技术领域
本发明涉及一种具有蓄电池的机动车和一种用于冷却机动车的蓄电池的方法。
背景技术
已知具有电驱动马达和蓄电池的机动车。在蓄电池充电时产生热能,必须将所述热能从蓄电池排出。已知的是,借助特别是在具有燃烧马达的车辆中处在车辆的前部区域中的马达冷却风扇来排出所产生的热能。所述马达冷却风扇在具有燃烧马达的车辆中用于冷却燃烧马达。在此的缺点是,相应的马达冷却风扇尤其基于布置而导致了噪声辐射。这种噪声辐射特别是在蓄电池的夜间充电时会令人感到不适。此外,马达冷却风扇针对极大的体积流量所设计。
发明内容
本发明的任务是,提供一种机动车或一种方法,其在减少噪声排放和/或噪声辐射时实现了电存储器的类似的充电。
该任务用一种根据独立权利要求所述的机动车和一种根据独立的方法权利要求所述的方法解决。
有利的是,根据本发明的机动车设计用于利用电驱动马达来前进。机动车具有蓄电池、特别是用于给电驱动马达供电的蓄电池。机动车还具有乘客内部空间和内部空间风扇(Innenraumgebläse),所述内部空间风扇构造用于形成空气流,所述空气流尤其将空气输送到乘客内部空间中。
特别有利的是,设有通风通道。这样构造所述通风通道,使得空气流能吸收蓄电池的热能。这样构造所述通风通道,使得该通风通道将空气流输送给乘客内部空间。由内部空间风扇产生的噪声辐射优选通过包围乘客内部空间的机动车被缓冲或最小化或阻止。在机动车外部感知到的噪声被缓冲或最小化或阻止。
通过在从属权利要求中列举的措施获得了在独立权利要求中说明的特征的有利的扩展设计方案和改进方案。
此外还有利的是,机动车具有蓄电池、特别是用于给电驱动马达供电的蓄电池。机动车还具有乘客内部空间和内部空间风扇,该内部空间风扇构造用于形成空气流,所述空气流尤其将空气输送到乘客内部空间中。空气尤其至少部分抽吸自机动车的周围环境。有利的是,通风通道将空气流散热地导引经过蓄电池和/或导引穿过蓄电池进入乘客内部空间。
有利的是,内部空间风扇具有叶轮。旋转的叶轮产生了空气流。叶轮优选构造在通风通道内。实现了空气流的简单的产生。
被视为有利的是,这样来构造所述通风通道,使得空气流至少在表面的一部分上形成和/或通过蓄电池形成。通过空气流实现了对热能的更好的吸收。
特别有利的是,蓄电池具有导热元件,该导热元件至少部分这样伸入到所述通风通道中,使得空气流可以环流该导热元件。热量可以更好地排出给空气流并且因此从蓄电池排出。
有利的是,内部空间风扇从车辆的周围环境抽吸空气并且作为空气流吹入到乘客内部空间中。空气尤其至少部分抽吸自机动车的周围环境。
本发明有利地涉及一种特别是在蓄电池充电和/或放电时用于冷却蓄电池的方法,该方法具有下列步骤:
- 用内部空间风扇产生空气流;
- 由所述空气流吸收在电存储器充电时产生的热能;以及
- 将空气流导入到乘客内部空间中。
有利的是,根据由电存储器排出的热能和/或充电功率来调节空气流。有利地可以再次降低噪声形成。通过根据所产生的热能和/或充电功率调节空气流的产生达到这一点。
被视为有利的是,这样来调节电存储器的充电,使得借助空气流能执行乘客内部空间的预热。尤其在使用前不久执行充电。
附图说明
实施例在附图中示出并且在接下来的说明中加以详细阐释。附图中:
图1示出了根据本发明的机动车;并且
图2示出了根据本发明的方法。
具体实施方式
在图1中示意性示出了根据本发明的机动车1。该机动车1具有电驱动马达2。该电驱动马达2例如构造成轮毂马达。该电驱动马达2借助马达控制器3与蓄电池5电连接。
蓄电池5是能重复充电的电能存储器,特别是基于电化学、优选基于锂离子的电能存储器。蓄电池5优选具有大量单个的能重复充电的存储元件,所述存储元件称为次级元件或次级单池。存储元件串联和/或并联地联接。单个存储元件是电能量源,它们经联接后形成了蓄电池并且因此形成了用于电驱动器的能量源。蓄电池5优选还形成了机动车1的其它用电器的能量源。
蓄电池5在充电时产生了热能。所述热能必须被排出,以便例如防止过热并且因此防止受损。
这样来构造马达控制器3,使得该马达控制器能从蓄电池5获取电能并且将电能输送给电驱动马达2。
机动车1还具有乘客内部空间10。驾驶员以及其他同车人员在行驶期间停留在该乘客内部空间10中。为了让驾驶员和其同车人员在乘客内部空间10中感到舒适,可以加热或冷却这个乘客内部空间。采暖装置尤其允许了加热所述乘客内部空间并且空调设备尤其允许了冷却所述乘客内部空间。
机动车1具有内部空间风扇20。内部空间风扇20优选是机动车1的HVAC系统、即供热通风与空气调节系统的一部分。内部空间风扇20是从外部驱动的流体动力机。内部空间风扇20尤其借助旋转的叶轮输送气态的扩散介质、特别是空气。内部空间风扇20在抽吸侧和压力侧之间产生了在1和1.3之间的压力比。内部空间风扇20尤其属于通风器组。根据安装空间将内部空间风扇20构造成轴向通风器、对角通风器、径向离心通风器、切向流动通风器或横向流动通风器。有利地这样来构造内部空间风扇20,使得该内部空间风扇产生了尽可能小的噪声水平。
机动车1具有通风通道30。这样来构造该通风通道30,使得该通风通道能将空气从机动车1的周围环境导入到机动车1的乘客内部空间10中。通风通道30导引由内部空间风扇20产生的空气流。通风通道30这样来引导空气流,使得空气流在输送给乘客内部空间10之前能够吸收热能。通风通道30尤其构造成闭合的并且具有第一开口32,该第一开口形成了来自周围环境的空气的入口。第二开口34则形成了一个出口,空气可以通过该出口流入乘客内部空间10中。
内部空间风扇20这样布置在通风通道30内和/或通风通道上,使得内部空间风扇20能形成空气流,该空气流由通风通道30导引。
通风通道30将空气流这样引导穿过和/或经过蓄电池5,使得空气流可以排出蓄电池5在运行时、特别是在充电或放电时产生的热能、特别是热量。乘客内部空间尤其能通过在放电时产生的热量、特别是在行驶时的热量被加热。
内部空间风扇20布置在通风通道30内。内部空间风扇20的叶轮优选布置在通风通道30内。
根据本发明的一种扩展设计方案,通风通道30具有阀门,该阀门能在第一切换位置和第二切换位置之间转换。所述阀门尤其也能占据在第一切换位置和第二切换位置之间的中间切换位置。在第一切换位置中,空气流完全被引导经过蓄电池5和/或引导穿过蓄电池。在第二切换位置中,空气流对应旁路被这样引导经过蓄电池5,使得空气流不能吸收任何热能。阀门在第一和第二切换位置之间的比例决定了环流和/或穿流蓄电池5的空气流的份额有多大。
根据本发明的一种扩展设计方案,这样来构造通风通道30,使得空气被从乘客内部空间10取出。
根据本发明的一种扩展设计方案,这样构造温度传感器,使得该温度传感器能检测蓄电池5的温度。能根据所检测到的蓄电池5的温度来调节内部空间风扇20。特别是控制空气内部空间风扇20的控制单元可以根据所检测到的蓄电池5的温度来这样操控内部空间风扇20,使得该内部空间风扇产生足够大的空气流,以便将由蓄电池5产生的多余的热量排出。
根据本发明的一种扩展设计方案,蓄电池具有至少一个导热元件。该导热元件这样将由蓄电池5或由蓄电池5的存储单池产生的热量从蓄电池5导出,使得空气流尽量能环流或穿流该导热元件。所述导热元件优选伸入通风通道。空气流尤其流经该导热元件。
在图2中示出了用于冷却蓄电池5的根据本发明的方法100。所述方法100包括多个步骤,所述步骤的顺序能任意交换。
在方法步骤110中产生或形成了空气流。空气流尤其涉及强烈的并且能感觉到的处于流动中的空气量。空气流由通过内部空间风扇20形成。以如下方式产生空气流,即,内部空间风扇20在抽吸侧上抽吸空气并且在压力侧上用特别是在1和1.3之间的压力比吹出空气。空气流尤其通过旋转的叶轮产生。
在方法步骤120中,空气被这样引导经过蓄电池5和/或引导穿过蓄电池,使得空气流能吸收来自蓄电池5的热能。所吸收的热能导致借助空气流运输的空气变热。
根据本发明的一种扩展设计方案,仅当蓄电池5充电或放电时,才产生或形成空气流。空气流根据热量或热能产生,热量或热能由蓄电池5排出或生成。备选或附加地根据充电功率产生空气流。高的充电功率尤其意味着通过蓄电池5产生了更多的热能。相应地在高充电功率下,相比低充电功率有所提高的空气流必然被输送经过蓄电池。
在方法步骤130中,由于吸收了蓄电池5的热能而变热的空气流被输送到乘客内部空间10中。用变热的空气流输送到乘客内部空间10中的变热的空气导致在乘客内部空间10内的空气变热。
此外,布置在乘客内部空间10内的或限定了这个乘客内部空间的部件,例如方向盘、座椅和仪表板和玻璃均变热。
此外,热量又能借助乘客内部空间10的玻璃排出到周边环境。乘客内部空间10的玻璃通过在乘客内部空间10中的变热的空气而变热并且将热量导送给进一步包围机动车1的空气。由内部空间风扇20的运行引起的噪声辐射例如通过乘客内部空间的玻璃被缓冲、特别是被最小化、优选被阻止。
根据本发明的一种扩展设计方案,这样来接通蓄电池的充电,使得废热能用于预热乘客内部空间10。

Claims (8)

1.具有电驱动马达(2)的机动车(1),该机动车具有蓄电池(5)、乘客内部空间(10)和内部空间风扇(20),该内部空间风扇构造用于形成空气流,其特征在于,设有通风通道(30),该通风通道这样引导空气流,使得空气流能吸收来自蓄电池(5)的热能,并且这样来构造通风通道(30),使得该通风通道将空气流输送给乘客内部空间(10)。
2.根据前一项权利要求所述的机动车(1),其特征在于,所述内部空间风扇(20)具有叶轮,该叶轮借助旋转产生了空气流,其中,叶轮尤其构造在所述通风通道(30)内。
3.根据前述权利要求任一项所述的机动车(1),其特征在于,这样来构造所述通风通道(30),使得空气流至少在表面的一部分上形成和/或通过所述蓄电池(5)形成。
4.根据前述权利要求任一项所述的机动车(1),其特征在于,所述蓄电池(5)具有导热元件,该导热元件至少部分这样伸入所述通风通道(30),使得空气流能环流所述导热元件。
5.根据前述权利要求任一项所述的机动车(1),其特征在于,所述内部空间风扇(20)从机动车(1)的周围环境抽吸空气并且作为空气流吹入所述乘客内部空间(10)。
6.用于特别是在充电时冷却蓄电池的方法(100),其特征在于下列步骤:
- 用内部空间风扇(20)产生(110)空气流;
- 由空气流吸收(120)在蓄电池(5)充电时产生的热能;以及
- 将空气流导入(130)到乘客内部空间(10)中。
7.根据前一项权利要求所述的方法(100),其特征在于,根据由所述蓄电池(5)排出的热能和/或充电功率来调节空气流。
8.根据前一项权利要求所述的方法(100),其特征在于,这样来调节蓄电池的充电,使得借助空气流能执行乘客内部空间(10)的预热。
CN201910532225.4A 2018-06-20 2019-06-19 机动车的蓄电池的冷却 Pending CN110614900A (zh)

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