CN108656892A - 通过冷却剂冷却车辆中的电池的冷却装置和方法以及具有这种冷却装置的车辆 - Google Patents
通过冷却剂冷却车辆中的电池的冷却装置和方法以及具有这种冷却装置的车辆 Download PDFInfo
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Abstract
限定了一种通过冷却剂2冷却车辆中的电池1的冷却装置,该冷却装置具有用于冷却剂2和电池1之间的热传递的第一热交换器3、泵送装置4和冷却剂2的收集容器5,它们通过冷却剂管线6相互连接形成第一冷却剂回路。为了对电池进行简单、节省成本和环境友好的冷却,收集容器5通过冷凝物管线7连接到车辆的空调系统8,用于将空调系统8的冷凝物引入收集容器5。另外,定义了具有这种冷却装置的车辆。在通过冷却剂2冷却车辆中的电池1的方法中,在第一冷却回路中,冷却剂2从收集容器5被引导到第一热交换器3中,在第一热交换器3中,热量从电池1传递到冷却剂2,将在第一热交换器3中加热的冷却剂2引回到收集容器5中,并且将车辆的空调系统8的冷凝物作为冷却剂2引入到收集容器5中。
Description
技术领域
本发明涉及一种通过冷却剂来冷却车辆中的电池的冷却装置和方法。另外,还定义了具有这种冷却装置的车辆。
背景技术
在车辆中,蓄电池(以下称为电池)被用作电能的可充电存储器。除了作为起动机电池使用之外,电动和混合动力电动车辆还具有用于车辆电力推进的牵引电池。
例如,在车辆的制动操作过程中回收的能量可以被转换并存储。电池通常对温度非常敏感,应该在加载和卸载时在较窄的温度范围内进行操作。尤其是,在电池运行期间产生和释放的热量可以被耗散,因为否则会导致电池单元的严重热负荷,这可能导致持续的损坏。因此通常需要冷却电池以避免其过热。
在高外部温度下,冷却尤其重要,因为在强太阳辐射下,例如车内和行李厢内的温度强烈地升高,并且电池经常设置在那里,例如在备胎盘中。
发明内容
因此,本发明的目的是定义一种用于冷却车辆中的电池的简单、节省成本的和环境友好的选择。
该目的通过一种具有权利要求1的特征的利用冷却剂来冷却车辆中的电池的冷却装置,一种具有权利要求6的特征的车辆以及一种具有权利要求9的特征的利用冷却剂来冷却车辆中的电池的方法来实现的。分别涉及的从属权利要求包含根据本发明的技术方案的设计变体。
本发明基于使用存在于车辆中的例如用于冷却车辆内部、用于电池冷却的空调系统的冷凝物的基本思想。这种冷凝物,例如以冷凝水的形式,迄今未被利用而是被释放到环境中。
该冷凝物被收集在收集容器中,并被用于单独的冷却电池的冷却回路中。此外,存在利用空调系统的热交换器提供另一冷却回路的可能性,以冷却用于电池冷却的冷却剂。
因此可以很好地利用原本未使用的冷凝物,即用于电池的冷却。可以避免通过空调系统或制冷系统对电池进行更深远的冷却以及可以避免为此所必需的线路。此外,冷凝物的使用不会损害空调系统的效率,并且不需要对组件进行实质性改变,从而可以以节省成本和简单的方式实现根据本发明的冷却装置。
根据本发明的通过冷却剂冷却车辆中的电池的装置具有用于在冷却剂和电池之间传递热量的第一热交换器(传热装置)。所述第一热交换器用于从电池到冷却剂的热传递,从而可以在电池处耗散多余的热量,即电池被冷却。为此,第一热交换器可以设置在电池下方(与在车辆的安装情况有关)或者可以构造成使得电池至少部分地被第一热交换器包围,以便实现尽可能有效的冷却。
此外,根据本发明的装置具有冷却剂的泵送装置和收集容器,所述泵送装置和收集容器借助于冷却剂管线(例如以软管的形式)彼此连接,并且形成第一冷却剂回路。
这里的泵送装置用于第一冷却剂回路中的冷却剂输送,即从收集容器到第一热交换器并再次返回。泵送装置可以具有吸入软管,利用该吸入软管将冷却剂从收集容器中吸出并供给到冷却剂管线。优选地,泵送装置可以被构造成使得冷却剂在收集容器的底部(与在车辆的安装情况有关)附近被吸上,以便在收集容器中的冷却剂温度波动的情况下最冷的冷却剂被供给到第一冷却剂回路。
例如,这可以是电驱动的泵送装置的情况,电驱动的泵送装置可以被配置为控制或调节冷却剂的流量,使得冷却剂可以根据需要在第一冷却剂回路中循环。例如,为此目的,可以使用通常用于操作挡风玻璃清洗器系统的泵。
收集容器经由冷凝物管线连接到车辆的空调系统,例如用于车辆内部的空气调节的空调系统,使得在空调系统的操作期间形成的冷凝物(冷凝水)可以导入收集容器。因此空调系统的原本未使用的冷凝物可以用作电池冷却的冷却剂。
根据各种设计变型,第一冷却剂回路可以被配置为开路,例如,收集容器的表面连接到大气压力。例如,收集容器可具有溢流部,该溢流部构造成例如在收集容器中的冷却剂液位超过一定填充高度的情况下从收集容器引出多余的冷却剂。例如,在冷凝物被连续引入收集容器的地方,会产生多余的冷却剂。因此,冷却剂的温度可以保持较低,因为新供应的冷凝物通常具有比已经存在于收集容器中的冷却剂更低的温度。这可以实现电池的特别有效的冷却。
收集容器的冷凝物流入部,即收集容器和冷凝物管线之间的连接,可以设置或布置在收集容器的下部区域(与在车辆的安装情况有关)。由此可以避免新引入的较冷的冷凝物与已经存在于收集容器中的较热的冷却剂的混合太强。这使得通过溢流部优选地排出较热的冷却剂。此外,冷却剂从第一热交换器回流到收集容器的上部区域可帮助避免混合。
如果没有新的冷凝物被引入到收集容器中,例如因为车辆的空调系统不再运行,则剩余的冷却剂可以在第一冷却剂回路中循环。为此,第一冷却剂回路可以关上或关闭。
根据进一步的设计变型,收集容器可以通过冷却剂管线伴随着第二冷却剂回路的形成,连接到用于冷却剂与制冷剂之间的热传递的第二热交换器上。制冷剂例如可以是车辆的空调系统的制冷剂。
例如,第二热交换器可以由车辆的空调系统的热交换器构成,除了车辆内部的空气调节之外,该情况下的热交换器还实现冷却剂的冷却,其中冷却剂以合适的方式,例如通过铝管沿着空调系统的热交换器引导。
这可以使冷却剂冷却,例如,如果通过使用冷凝物可以达到的冷却能力不足。
根据本发明的车辆具有根据上文所述的冷却装置。例如,这可以是电动或混合动力电动车辆的情况,其为了推进车辆而存储电能,具有需要冷却的牵引电池。相应地,空调系统的冷凝物在这种情况下可用于冷却电动或混合动力电动车辆中的牵引电池。
特别地,车辆可以构造或形成为轻度混合动力车辆。这是一种车辆的情况,其中电驱动部件支持内燃机以增加功率。电动功率可以位于例如6和14kW/t之间的范围内。此外,可能存在使用电动马达来恢复(回收)制动能量的可能性,使得恢复的制动能量可用于对电池进行再充电。
根据本发明的通过冷却剂来冷却车辆中的电池的方法,例如将冷却剂从收集容器引导(例如泵送)至第一热交换器。借助于第一热交换器,热量从电池传递到冷却剂。之后,通过第一热交换器加热的冷却剂被引回到收集容器中,从而形成第一冷却剂回路。
根据本发明,提供的是,车辆的空调系统的冷凝物被引入收集容器中,并且在此之后用作电池冷却的冷却剂。
根据本发明的方法可以例如通过上面解释的根据本发明的装置来执行。就这一点而言,上述说明用于解释根据本发明的装置并且还描述根据本发明的方法。
根据各种设计变型,多余的冷却剂可以从收集容器引出。为此,如上所述,例如可以利用收集容器的溢流部。
根据进一步的设计变型,冷却剂可以从收集容器被引导到第二热交换器。通过第二热交换器,热量可以从冷却剂传递到制冷剂,并且在此之后,通过第二热交换器冷却的冷却剂可以被引回到收集容器中,从而形成第二冷却剂回路。例如,制冷剂可以由车辆的空调系统的制冷剂构成。
附图说明
下面将参照说明性实施例更详细地解释本发明。相关的附图示出了:
图1是根据本发明的装置的示意图。
具体实施方式
在下面解释的示例中,参考了附图,该附图构成了该示例的一部分,并且其中作为说明,示出了可以使本发明工作的具体实施例。显然,在不偏离本发明的范围的情况下,可以使用其他实施例,并且可以进行结构或逻辑改变。因此,以下说明书不应被解释为限制性的意义,并且本发明的范围由所附权利要求限定。
根据图1的说明性实施例,示出了用于冷却牵引电池的冷却装置,其中牵引电池作为混合动力电动车辆中(特别是在轻度混合动力电动车辆中)的电池1。冷却装置具有设置在电池1下方的第一热交换器3,使得热量可以从电池1传递到流过第一热交换器3的冷却剂。此外,存在收集容器5,在收集容器5中收集冷却剂2。
泵送装置4布置成使得借助于属于泵送装置4的吸入软管10将冷却剂从收集容器5泵出并且可以供给到冷却剂管线6,冷却剂管线6将冷却剂引导至第一热交换器3。更进一步,冷却剂管线6将来自第一热交换器3的冷却剂再导回到收集容器5中,从而形成第一冷却剂回路。
此外,收集容器5通过冷凝物管线7连接到用于车辆内部空气调节的车辆的空调系统8,从而在空调系统8处产生的冷凝物可以引入收集容器5。该冷凝物用作用于电池1冷却的冷却剂2。
在说明性实施例中,第一冷却剂回路构造为开路。收集容器5在上部区域具有溢流部11。如果收集容器5中的冷却剂液位9超过一定的填充高度,则剩余的冷却剂2从收集容器5引出。
冷凝物流入部设置在收集容器5的下部区域中,使得引入的冷凝物尽可能少地与已经存在于收集容器5中的冷却剂2混合。吸入软管10的吸入口同样位于收集容器5的下部区域,使得优选最冷的可能的冷却剂2被吸出并引导到第一热交换器3。冷却剂2从第一热交换器3回到收集容器5中的回流优选地发生在收集容器5的上部区域中,同样主要避免与收集容器5中已经存在的冷却剂混合。
只要冷凝物(即冷水)由空调系统8提供并被引入收集容器8中,通常具有比供应的冷凝物温度更高的温度的剩余冷却剂2可以从收集容器8引出。如果不再有新的冷凝物被供应,则剩余的冷却剂2可以在第一冷却剂回路中循环。
可选地,收集容器5可以通过另外的冷却剂管线6连接到第二热交换器,形成第二冷却剂回路,以便热量可以从冷却剂2传递给制冷剂(未示出)。制冷剂可以由空调系统8的制冷剂构成。此外,作为第二热交换器,可以利用空调系统8的热交换器。
附图标记列表
1 电池
2 冷却剂
3 第一热交换器
4 泵送装置
5 收集容器
6 冷却剂管线
7 冷凝物管线
8 空调系统
9 冷却剂液位
10 吸入软管
11 溢流部
Claims (12)
1.一种通过冷却剂(2)冷却车辆中的电池(1)的冷却装置,所述冷却装置具有用于所述冷却剂(2)和所述电池(1)之间的热传递的第一热交换器(3)、泵送装置(4)和用于冷却剂(2)的收集容器(5),它们通过冷却剂管线(6)彼此连接,形成第一冷却剂回路,其中所述收集容器(5)通过冷凝物管线(7)连接到所述车辆的空调系统(8),用于将所述空调系统(8)的冷凝物引入到所述收集容器(5)中。
2.根据权利要求1所述的冷却装置,其特征在于,所述第一冷却剂回路是开路。
3.根据前述权利要求中任一项所述的冷却装置,其特征在于,所述收集容器(5)通过所述冷却剂管线(6)连接到用于所述冷却剂(2)与制冷剂之间的热传递的第二热交换器上,形成第二冷却剂回路。
4.根据权利要求3所述的冷却装置,其特征在于,所述制冷剂是所述车辆的所述空调系统(8)的制冷剂。
5.根据前述权利要求中任一项所述的冷却装置,其特征在于,所述第一热交换器(3)设置在所述电池(1)的下方或者布置成使得其至少部分地包围所述电池(1)。
6.一种具有如前述权利要求中任一项所述的冷却装置的车辆。
7.根据权利要求6所述的车辆,被配置为电动车辆或混合动力电动车辆。
8.根据权利要求7所述的车辆,被配置为轻度混合动力电动车辆。
9.一种通过冷却剂(2)冷却车辆中的电池(1)的方法,其中在第一冷却回路中,
-将所述冷却剂(2)从收集容器(5)引导至第一热交换器(3),
-通过所述第一热交换器(3),热量从所述电池(1)传递到所述冷却剂(2),并且
-通过所述第一热交换器(3)加热的所述冷却剂(2)被引回到所述收集容器(5)中,
其特征在于,
-所述车辆的空调系统(8)的冷凝物作为冷却剂(2)被引入到所述收集容器(5)中。
10.根据权利要求9所述的方法,其特征在于,从所述收集容器(5)引出多余的冷却剂(2)。
11.根据权利要求9或10所述的方法,其特征在于,在第二冷却剂回路中
-所述冷却剂(2)从所述收集容器(5)引导至第二热交换器,
-通过所述第二热交换器,热量从所述冷却剂(2)传递到制冷剂,并且
-通过所述第二热交换器冷却的所述冷却剂(2)被引回到所述收集容器(5)中。
12.根据权利要求11所述的方法,其特征在于,所述制冷剂是所述车辆的空调系统(8)的制冷剂。
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US8596556B2 (en) * | 2005-02-22 | 2013-12-03 | Vehicle Enhancement Labs | Radiator and air cooler mister |
US20140014421A1 (en) * | 2012-07-11 | 2014-01-16 | Neil Carpenter | Thermal management of electric vehicle battery pack in the event of failure of battery pack heater |
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DE102013210704A1 (de) | 2013-06-07 | 2014-12-11 | Bayerische Motoren Werke Aktiengesellschaft | Fluidzuführung für eine Brennstoffzelle |
DE102015003119A1 (de) | 2015-03-11 | 2016-09-15 | Man Truck & Bus Ag | Fahrzeug, insbesondere Hybridfahrzeug oder elektrisch angetriebenes Fahrzeug, mit einer Elektromaschine sowie Verfahren zum Betrieb einer zugeordneten Klimaanlage |
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- 2017-03-27 DE DE102017205081.0A patent/DE102017205081B4/de active Active
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- 2018-03-20 US US15/926,717 patent/US20180272834A1/en not_active Abandoned
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US5074121A (en) * | 1989-10-09 | 1991-12-24 | Valeo | Air conditioning installation for an automotive vehicle |
CN1278113A (zh) * | 1999-06-07 | 2000-12-27 | 三菱重工业株式会社 | 车辆电池的温度控制器 |
JP2003127652A (ja) * | 2001-10-19 | 2003-05-08 | Nissan Motor Co Ltd | 車両用冷却水貯留装置 |
US8596556B2 (en) * | 2005-02-22 | 2013-12-03 | Vehicle Enhancement Labs | Radiator and air cooler mister |
US20080179040A1 (en) * | 2007-01-26 | 2008-07-31 | Rosenbaum Richard W | Method to heat or cool vehicle battery and passenger compartments |
US20100025311A1 (en) * | 2008-08-01 | 2010-02-04 | Gm Global Technology Operations, Inc. | Vehicle-integrated water harvesting system |
CN102563943A (zh) * | 2010-10-07 | 2012-07-11 | 威斯通全球技术公司 | 汽车空调设备的制冷剂循环回路 |
US20140014421A1 (en) * | 2012-07-11 | 2014-01-16 | Neil Carpenter | Thermal management of electric vehicle battery pack in the event of failure of battery pack heater |
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