CN105144465A - 电池系统和用于冷却电池单体组件的方法 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
提供了一种电池系统,其包括第一电池单体和第二电池单体以及被置于第一电池单体和第二电池单体之间的散热片。散热片从第一电池单体和第二电池单体接收热能,并且在散热片的内部流动通道中将热能转换到两相制冷剂中。压缩机将气态制冷剂泵送到冷凝器。冷凝器从气态制冷剂提取热能,因此将气态制冷剂转变成液态制冷剂。
Description
技术领域
本发明涉及一种电池系统和一种用于冷却电池单体的方法。
背景技术
构成电池系统的电池通常在充电和放电过程中产生热量,如果该热量未除去且积聚,则电池将劣化且它们的性能将变差,这能导致安全方面的严重问题。
因此,对于电池系统而言冷却是必不可少的,但是常规电池系统没有以理想水平实现冷却。
发明内容
本发明人在此已经认识到对于一种改进的电池系统和用于冷却电池单体组件的方法的需要,该方法利用在电池单体之间的散热片并且将两相制冷剂转变成气态制冷剂以冷却电池单体。
因此,本发明人在此已经认识到对于改进的电池系统和用于冷却电池单体组件的方法的需要。
提供了根据示例性实施例的一种电池系统。该电池系统包括电池单体组件,该电池单体组件具有第一电池单体和第二电池单体以及被布置在第一电池单体和第二电池单体之间的散热片。散热片具有进口端口、出口端口和被布置在进口端口和出口端口之间的内部流动路径。散热片构造成在进口端口中接收两相制冷剂。散热片进一步构造成从第一电池单体和第二电池单体接收热能并且利用热能在内部流动路径内将两相制冷剂转变成气态制冷剂。该电池系统进一步包括压缩机,压缩机流体联接到出口端口并且构造成将气态制冷剂泵送到冷凝器中。冷凝器流体联接到压缩机并且构造成从压缩机接收气态制冷剂。冷凝器进一步构造成通过从气态制冷剂提取热能而将气态制冷剂转变成液态制冷剂。该电池系统进一步包括膨胀阀,膨胀阀流体联接在冷凝器和散热片的进口端口之间。膨胀阀被构造成从冷凝器接收液态制冷剂并且降低液态制冷剂的压力水平以获得两相制冷剂。两相制冷剂被从膨胀阀输送到散热片的进口端口。
提供了根据另一个示例性实施例的一种用于冷却电池单体组件的方法。该电池单体组件具有第一电池单体和第二电池单体以及被布置在第一电池单体和第二电池单体之间的散热片。散热片具有进口端口、出口端口和被布置在进口端口和出口端口之间的内部流动路径。该方法包括在散热片的进口端口中接收两相制冷剂。该方法进一步包括:在散热片中从被布置在散热片的相反两侧上的第一电池单体和第二电池单体接收热能;并且利用该热能在散热片的内部流动路径内将两相制冷剂转变成气态制冷剂。该方法进一步包括将气态制冷剂从出口端口输送到压缩机。该方法进一步包括利用压缩机将气态制冷剂从压缩机泵送到冷凝器。该方法进一步包括通过利用冷凝器从气态制冷剂提取热能而将由冷凝器接收的气态制冷剂转变成液态制冷剂。该方法进一步包括:将液态制冷剂从冷凝器泵送到膨胀阀;并且利用膨胀阀降低液态制冷剂的压力水平以获得两相制冷剂。该方法进一步包括将两相制冷剂从膨胀阀输送到散热片的进口端口。
附图说明
图1是根据示例性实施例的电池系统的示意图;
图2是在图1的电池系统中利用的电池单体组件的示意图;
图3是图2的电池单体组件的分解视图;
图4是图3的电池单体组件的一部分的分解视图;
图5是在图4的电池单体组件中利用的散热片的分解视图;
图6是图4的散热片的一部分的横截面视图;
图7是图4的散热片的另一部分的横截面视图;并且
图8是根据另一个示例性实施例的用于冷却图2的电池单体组件的方法的流程图。
具体实施方式
参考图1-7,示意了根据示例性实施例的用于产生电力的电池系统10。电池系统10包括压缩机22、冷凝器23、膨胀阀24、电池单体组件26、导管50、51、52、53、温度传感器60、冷凝器风扇70,和微处理器80。电池系统10的优点在于,系统10利用被布置在相邻的电池单体之间的散热片140,如将在下面更加详细解释地,散热片140将两相制冷剂转变成气态制冷剂以冷却电池单体。
为了理解的目的,术语“制冷剂”对应于能够在热循环中可逆地在液态和气态之间转变的物质。示例性制冷剂包括R-11、R-12、R-122、R-134A、R-1407C和R-410A。而且,术语"气态制冷剂"对应于主要地具有气态的制冷剂。此外,术语“液态制冷剂”对应于主要地具有液态的制冷剂。而且,术语“两相制冷剂”对应于如下制冷剂,即其一部分处于液态中且其剩余部分处于气态中。
压缩机22被构造成响应于来自微处理器80的控制信号而将气态制冷剂91泵送并且压缩通过导管51到冷凝器23中。如所示那样,导管51以流体方式联接在压缩机22和冷凝器23之间。
冷凝器23设置成经由导管51从压缩机22接收气态制冷剂91并且通过从气态制冷剂91提取热能而将气态制冷剂91转变成液态制冷剂92。如所示那样,导管52以流体方式联接在冷凝器23和膨胀阀24之间。在离开冷凝器23之后,液态制冷剂92进一步被泵送通过导管52而到达膨胀阀24。
膨胀阀24经由导管52、53以流体方式联接在冷凝器23和电池单体组件26之间。膨胀阀24被构造成从冷凝器23接收液态制冷剂92并且降低液态制冷剂92的压力水平以获得两相制冷剂93。经由导管53将两相制冷剂93从膨胀阀24输送到电池单体组件26的导管182。
参考图2-7,提供了根据示例性实施例的电池单体组件26。电池单体组件26包括:矩形环状框架构件120、122;电池单体130、132;和散热片140。电池单体组件26的优点在于,组件26利用被布置在相邻电池单体130、132之间的散热片140,如将在下面更加详细解释地,散热片140将液态制冷剂92转变成气态制冷剂93以冷却电池单体130、132。
矩形环状框架构件120、122被构造成联接到一起以在其间保持电池单体130、132和散热片140。在一个示例性实施例中,矩形环状框架构件120、122由塑料构造。然而,在可替代实施例中,矩形环状框架构件120、122能够由本领域技术人员已知的其它材料构造。
电池单体130、132每一个构造成产生操作电压。在一个示例性实施例中,电池单体130、132中的每一个是袋型锂离子电池单体。当然,能够利用本领域技术人员已知的其它类型的电池单体。而且,在示例性实施例中,电池单体130、132彼此串联地电联接。
电池单体130包括矩形袋150和从袋150延伸的电极152、154。电池单体130布置在矩形环状框架构件120和散热片140之间。
电池单体132包括矩形袋160、电极162和另一个电极(未示出)。电池单体132布置在矩形环状框架构件122和散热片140之间。
参考图2-7,散热片140设置成将热能从电池单体130、132传递到流经散热片140的两相制冷剂93以在散热片140内将两相制冷剂93转变成气态制冷剂91从而冷却电池单体130、132。散热片140包括大体矩形的铝板180和管112。
矩形铝板180具有第一侧190和第二侧192。板180进一步包括第一、第二、第三和第四周边边缘部分200、202、204、206(如图5中所示),这些周边边缘部分中的每一个成形为拱形以在其上保持管182的一部分。换言之,第一、第二、第三和第四周边边缘部分200、202、204、206限定拱形沟槽209(如图6中示出),拱形沟槽209被构造成在其上接收管182。第一侧190的尺寸被确定为大体上覆盖电池单体130的大体矩形的侧表面的全部。第二侧192的尺寸被确定为大体上覆盖电池单体132的大体矩形的侧表面的全部。
管182被联接到大体矩形的铝板180的第一侧190,并且被联接到板180的第一、第二、第三和第四周边边缘部分200、202、204、206且在板180的第一、第二、第三和第四周边边缘部分200、202、204、206上延伸。在一个示例性实施例中,管182由铝构造。然而,管182能够由本领域技术人员已知的其它材料构造。参考图5,管182包括进口端口220、管部222、224、226、228、230和出口端口232。进口端口220联接到管部222,并且进一步联接到导管53。管部222联接在进口端口220和管部224之间。管部226联接在管部224和管部228之间。管部230联接在管部228和出口端口232之间。出口端口232进一步联接到导管50。
而且,参考图5,经由钎焊,管部222联接到第四周边边缘部分206,并且管部224联接到第一周边边缘部分200。经由钎焊,管部226联接到第二周边边缘部分202,并且管部228联接到第三周边边缘部分204。而且,管部230经由钎焊联接到第四周边边缘部分206。
参考图3-5,在操作期间,两相制冷剂93从导管53进入进口端口220。在流经管部212、224、226、228、213中的至少某些管部时,两相制冷剂93转变成气态制冷剂91并且离开出口端口232。出口端口232联接到导管50。特别地,由电池单体130产生的热能通过矩形铝板180传导到管182。此外,由电池单体132产生的热能通过矩形铝板180传导到管182。此外,管182中的热能传导到流经管182内的内部流动路径的两相制冷剂93中,并且将两相制冷剂93转变成气态制冷剂91以降低电池单体130、132的温度。
参考图1,温度传感器60设置成产生指示电池单体130、132的温度水平的信号,该信号由微处理器80接收。
冷凝器风扇70设置成响应于来自微处理器80的控制信号而将空气吹过冷凝器23以冷却冷凝器23。如所示那样,冷凝器风扇70布置成邻近于冷凝器23。
微处理器80设置成控制电池系统10的操作。特别地,微处理器80被构造成响应于来自温度传感器60的信号而产生用于控制压缩机22和冷凝器风扇70的操作的控制信号。特别地,微处理器80被构造成如果电池单体130、132的温度水平大于阈值温度水平则产生控制信号以激活压缩机22和冷凝器风扇70。微处理器80利用存储器装置81,该存储器装置81存储用于控制压缩机22和冷凝器风扇70的软件指令和关联数据。因此,微处理器80被编程为如本文描述地控制压缩机22和冷凝器风扇70。
参考图1、3、5和8,现在将解释根据另一个示例性实施例的用于冷却电池单体组件26的方法的流程图。
在步骤300中,使用者提供具有电池单体130、132和被布置在电池单体130、132之间的散热片140的电池单体组件26。散热片140具有进口端口220、出口端口232以及被布置在进口端口220和出口端口232之间的内部流动路径。
在步骤302中,使用者提供压缩机22、冷凝器23和膨胀阀24。
在步骤304中,散热片140的进口端口220从膨胀阀24接收两相制冷剂93。
在步骤306中,散热片140从被布置在散热片140的相反两侧上的电池单体130、132接收热能并且利用该热能在散热片140的内部流动路径内将两相制冷剂93转变成气态制冷剂91。
在步骤308中,压缩机22从散热片140的出口端口232接收气态制冷剂91并且将气态制冷剂91从压缩机22泵送到冷凝器23。
在步骤310中,冷凝器23从压缩机22接收气态制冷剂91并且通过从气态制冷剂91提取热能而将气态制冷剂91转变成液态制冷剂92。
在步骤312中,膨胀阀24从冷凝器23接收液态制冷剂92并且降低液态制冷剂92的压力水平以将液态制冷剂92转变成两相制冷剂93。
在步骤314中,散热片140的进口端口220从膨胀阀24接收两相制冷剂93。
电池单体组件26和用于冷却电池单体的方法提供优于其它电池单体组件和方法的实质性优点。特别地,电池单体组件26和该方法提供如下技术效果:利用被布置在相邻电池单体之间且将两相制冷剂转变成气态制冷剂的散热片,以有效地冷却电池单体。
虽然已经结合仅仅有限数目的实施例详细描述了要求保护的发明,但是应该容易理解,本发明不限于这种公开的实施例。实际上,要求保护的发明能够修改成将至此未予描述但是与本发明的精神和范围相称的任何数目的变型、更改、替代或者等同布置并入。另外地,虽然已经描述了要求保护的发明的各种实施例,但是应该理解本发明的这些方面可以包括所描述的实施例中的仅仅某些实施例。相应地,要求保护的发明不被视为被前面的说明限制。
工业实用性
由上可知,相对于其他电池单体组件和方法,本发明的电池单体组件和用于冷却电池单体的方法提供了显著的优点。特别地,所述电池单体组件和方法提供了如下技术效果,即:利用被布置在相邻电池单体之间且将两相制冷剂转变成气态制冷剂的散热片,以有效地冷却电池单体。
Claims (8)
1.一种电池系统,包括:
电池单体组件,所述电池单体组件具有第一电池单体和第二电池单体以及被布置在所述第一电池单体和所述第二电池单体之间的散热片;
所述散热片具有进口端口、出口端口以及被布置在所述进口端口和所述出口端口之间的内部流动路径,所述散热片被构造成在所述进口端口中接收两相制冷剂,所述散热片进一步被构造成从所述第一电池单体和所述第二电池单体接收热能并且利用所述热能在所述内部流动路径内将所述两相制冷剂转变成气态制冷剂;
压缩机,所述压缩机被流体联接到所述出口端口,并且被构造成将所述气态制冷剂泵送到冷凝器;
所述冷凝器,所述冷凝器被流体联接到所述压缩机并且被构造成从所述压缩机接收所述气态制冷剂,所述冷凝器进一步被构造成通过从所述气态制冷剂提取热能而将所述气态制冷剂转变成液态制冷剂;和
膨胀阀,所述膨胀阀被流体联接在所述冷凝器和所述散热片的所述进口端口之间,所述膨胀阀被构造成从所述冷凝器接收所述液态制冷剂并且降低所述液态制冷剂的压力水平以获得所述两相制冷剂,所述两相制冷剂被从所述膨胀阀输送到所述散热片的所述进口端口。
2.根据权利要求1所述的电池系统,其中,所述散热片具有管和大体矩形板;所述大体矩形板具有第一侧和第二侧;所述管被联接到所述大体矩形板的所述第一侧并且在所述大体矩形板的至少第一、第二和第三周边边缘部分上延伸,在所述管中限定了所述内部流动路径。
3.根据权利要求2所述的电池系统,其中,所述大体矩形板由铝构成,并且所述管由铝构成。
4.根据权利要求2所述的电池系统,其中,所述大体矩形板的尺寸被确定成大体覆盖所述第一电池单体的大体矩形侧表面的全部。
5.根据权利要求2所述的电池系统,其中,所述大体矩形铝板的所述第一、第二和第三周边边缘部分限定有拱形沟槽,所述拱形沟槽被构造成在其上接收所述管。
6.根据权利要求1所述的电池系统,其中,所述管被构造成将所述热能的至少一部分传递到在所述管中流动的所述两相制冷剂。
7.根据权利要求1所述的电池系统,进一步包括第一矩形环状框架构件和第二矩形环状框架构件,所述散热片以及所述第一电池单体和所述第二电池单体被布置在所述第一矩形环状框架构件和所述第二矩形环状框架构件之间。
8.一种用于冷却电池单体组件的方法,所述电池单体组件具有第一电池单体和第二电池单体以及被布置在所述第一电池单体和所述第二电池单体之间的散热片,所述散热片具有进口端口、出口端口和被布置在所述进口端口和所述出口端口之间的内部流动路径,所述方法包括:
在所述散热片的所述进口端口中接收两相制冷剂;
从被布置在所述散热片的相反两侧上的所述第一电池单体和所述第二电池单体将热能接收在所述散热片中,并且利用所述热能在所述散热片的所述内部流动路径内将所述两相制冷剂转变成气态制冷剂;
将所述气态制冷剂从所述出口端口输送到压缩机;
利用所述压缩机将所述气态制冷剂从所述压缩机泵送到冷凝器;
通过利用所述冷凝器从所述气态制冷剂提取热能而将由所述冷凝器接收的所述气态制冷剂转变成液态制冷剂;
将所述液态制冷剂从所述冷凝器泵送到膨胀阀,并且利用所述膨胀阀降低所述液态制冷剂的压力水平以获得所述两相制冷剂;以及
将所述两相制冷剂从所述膨胀阀输送到所述散热片的所述进口端口。
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EP2928008B1 (en) | 2017-01-11 |
US20140147709A1 (en) | 2014-05-29 |
EP2928008A1 (en) | 2015-10-07 |
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EP2928008A4 (en) | 2015-11-18 |
US9083066B2 (en) | 2015-07-14 |
JP6249495B2 (ja) | 2017-12-20 |
CN105144465B (zh) | 2017-10-20 |
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JP2016502234A (ja) | 2016-01-21 |
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