CN102057523B - 具有冷却歧管的电池模块和用于冷却电池模块的方法 - Google Patents
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Abstract
提供了一种具有冷却歧管的电池模块。所述电池模块包括具有多个热交换器的多个电池单元组件,电池模块进一步包括冷却歧管,所述冷却歧管操作地耦合到多个电池单元组件。所述冷却歧管具有歧管部分和盖板。歧管部分具有外壁、耦合到所述外壁的后壁和分流器。外壁具有顶部部分,并且入口孔贯穿顶部部分。后壁具有贯穿它的多个出口孔。盖板与后壁相对地耦合到所述外壁。分流器从后壁延伸并且被布置在入口孔之下。所述分流器被配置来从入口孔接收流体并且分流流体,从而通过多个出口孔的每一个出口孔,使用于冷却多个电池单元组件的多个热交换器的相应的热交换器获得基本上相等的流体流量。
Description
技术领域
本申请总体上涉及具有冷却歧管的电池模块和用于冷却电池模块的方法。
背景技术
电池组在使用期间产生热量。为了防止电池组劣化,应当冷却电池组。然而,现有的冷却系统可能不能均匀冷却电池组中的各电池单元。在此,本发明人已经认识到,如果在电池组中的电池单元未被均匀冷却,则电池单元会不合需要地具有不同的操作特性,包括不同的输出电压。
因此,在此,本发明人已经认识到对于能够消除和/或减少上述的不足的具有冷却歧管的电池模块的需求。
发明内容
提供了根据示例性实施例的一种电池模块。所述电池模块包括具有多个热交换器的多个电池单元组件,所述电池模块进一步包括第一冷却歧管,所述第一冷却歧管操作地耦合到所述多个电池单元组件。所述第一冷却歧管具有歧管部分和盖板。所述歧管部分具有外壁、耦合到所述外壁的后壁以及分流器。所述外壁具有顶部部分,并且入口孔贯穿顶部部分。所述后壁具有从其贯穿的多个出口孔。所述盖板与所述后壁相对地耦合到所述外壁。所述分流器从所述后壁延伸并且被布置在所述入口孔之下。所述分流器被配置来从所述入口孔接收流体并且分流所述流体,从而通过所述多个出口孔的每一个出口孔,使用来冷却所述多个电池单元组件的所述多个热交换器的相应的热交换器获得基本上相等的流体流量。
提供了根据另一个示例性实施例的一种用于冷却电池模块的方法。所述电池模块具有多个电池单元组件和第一冷却歧管。所述多个电池单元组件具有多个热交换器。所述方法包括:将流体运送到所述第一冷却歧管内。所述方法进一步包括:使用分流器来分流在所述第一冷却歧管内的所述流体,使得通过贯穿述第一冷却歧管的多个出口孔的每一个出口孔来获得基本上相等的流体流量。所述方法进一步包括:将所述流体从每一个出口孔运送到用于冷却所述多个电池单元组件的所述多个热交换器的相应的热交换器中。
提供了根据另一个示例性实施例的一种用于电池模块的冷却歧管。所述电池模块具有多个电池单元组件。所述冷却歧管包括歧管部分,所述歧管部分具有外壁、耦合到所述外壁的后壁以及分流器。所述外壁具有顶部部分,并且有入口孔贯穿顶部部分。所述后壁具有从其贯穿的多个出口孔。所述分流器从所述后壁延伸并且被布置在所述入口孔之下。所述分流器被配置来从所述入口孔接收流体并且分流所述流体,使得通过所述多个出口孔的每一个出口孔,所述多个电池单元组件的相应的电池单元组件获得基本上相等的流体流量。所述冷却歧管进一步包括盖板,所述盖板与所述后壁相对地耦合到所述歧管部分的所述外壁。
附图说明
图1是根据示例性实施例的用于冷却电池模块的系统的示意图;
图2是根据另一个示例性实施例的电池模块的示意图;
图3是在图2的电池模块中使用的电池单元组件的分解示意图;
图4是图2的电池模块的截面示意图;
图5是在图2的电池模块中使用的冷却歧管的分解示意图;
图6是图5的冷却歧管的歧管部分的示意图;以及
图7是图5的冷却歧管的歧管部分的另一个示意图。
具体实施方式
参见图1,示出了用于冷却电池模块16的系统10。系统10包括储存部12、泵14、和管道17、18和19。储存部12中盛放流体。泵14经由管道17来从储存部12抽吸流体。其后,泵14经由管道18将流体注入到电池模块16内。电池模块16包括将在下面更详细地描述的冷却歧管40、热交换器、和冷却歧管42。冷却歧管40被配置来提供通过电池模块16中的相应的热交换器的每一个的基本上相等的流体流量,使得其中的电池单元从电池单元散出基本上相等数量的热能。因此,在电池模块16中的所有电池单元被保持在基本上类似的温度,导致电池单元具有包括输出电压的均匀的操作特性。冷却歧管42从在电池模块16中的热交换器接收加热的流体,并且将加热的流体运送通过管道19而返回到储存部12。电池模块被定义为物理地或电子地耦合在一起的至少两个电池单元组件。
参见图2,电池模块16包括电池单元组件20、22、24、26、28、30、32、34和36、以及冷却歧管40和42。因为电池单元组件20、22、24、26、28、30、32、34和36具有基本上类似的配置,所以在下面仅更详细地描述电池单元组件20。参见图3,电池单元组件20包括框构件60、电池单元62、紧固构件64、电池单元66、框构件68、紧固构件70、热交换器72、电池单元74和框构件76。框构件60和68被提供来支承在其间的电池单元62、紧固构件64和电池单元66。框构件68和76被提供来支承在其间的紧固构件70、热交换器72和电池单元74。在一个示例性实施例中,电池单元62、66、74是锂离子电池单元。在运行期间,冷却歧管提供通过热交换器72的预定的流体流量,使得从热耦合到热交换器72的电池单元62、66和74散出热能,从而电池单元62、66和74被保持在基本上类似的温度。
参见图4和5,现在描述冷却歧管40的结构。冷却歧管40包括歧管部分80、诸如排气螺钉82、84的多个排气螺钉、盖板86、垫圈88和诸如O形环89的多个O形环。
歧管80包括外壁90、耦合到外壁90的后壁92、和耦合到后壁92的分流器94。在一个示例性实施例中,由塑料来构造歧管部分80。当然,在替代实施例中,可以从诸如钢、陶瓷、或金属合金的其他材料来构造歧管部分80。外壁90包括前端110和后端112。而且,外壁90具有顶部部分,孔114贯穿该顶部部分。孔114从泵14(在图1中所示)接收流体。而且,外壁90包括多个螺纹孔150、152、154、156、158、160、162、164,延伸到外壁90的前端110,以在其中容纳安装螺钉,使得将盖板86耦合到歧管部分80。
参见图6和7,后壁92包括贯穿它的出口孔180、182、184、186、188、190、192、194和196,以容纳通过其中的排气螺钉。排气螺钉将流体从冷却歧管40的内部区域分别运送到电池单元组件20、22、24、26、28、30、32、34和36。应当注意,虽然仅示出排气螺钉82、84,但是孔180、182、184、186、188、190、192、194和196的每一个具有从其贯穿的对应的排气螺钉。参见图2、6和7,贯穿孔180、182、184、186、188、190、192、194和196的排气螺钉被分别容纳分别位于电池单元组件20、22、24、26、28、30、32、34和36中的孔280、282、284、286、288、290、292、294、296中。孔280、282、284、286、288、290、292、294、296与在电池模块16中的相应热交换器形成流体联通。因为所述排气螺钉具有基本上类似的结构,所以仅描述排气螺钉82的结构。具体地说,参见图5,排气螺钉82包括头部部分230、螺纹部分232、和贯穿头部部分230和螺纹部分232的孔234。因此,排气螺钉允许在冷却歧管40的内部区域和在电池模块16中的热交换器之间的流体联通。
参见图6,分流器94耦合到后壁92,并且从后壁92向外壁90的前端110延伸。分流器94被布置在入口孔114之下。分流器94被配置用来从入口孔114接收流体,并且分流该流体,使得通过出口孔180、182、184、186、188、190、192、194和196,分别在电池单元组件20、22、24、26、28、30、32、34和36中的相应热交换器获得基本上相等的流体流量,从而均匀地冷却电池单元组件。在一个示例性实施例中,分流器94包括板210,在板210的上表面上具有相互隔开的凹槽212、214、216。凹槽212、214、216从板210的接近后壁92的一端向盖板86延伸。而且,在一个示例性实施例中,分流器94被配置使得通过每一个出口孔获得的流体的流量在第一流量的±5%内。
参见图5,盖板86耦合到外壁90的前端110。在一个示例性实施例中,用塑料来构造盖板86。当然,在替代实施例中,可以用诸如钢、陶瓷、或金属合金的其他材料来构造盖板86。在一个示例性实施例中,盖板86包括从其贯穿的孔250、252、254、256、258、260、262、264。螺栓300、302、304、306、308、310、312和314分别贯穿盖板88的孔250、252、254、256、258、260、262、264并分别贯穿歧管部分80的孔150、152、154、156、158、160、162和164,以将盖板88耦合到歧管部分80。
参见图1和2,冷却歧管42具有与冷却歧管40基本上类似的结构。冷却歧管42从在电池模块16的电池单元组件中的热交换器接收加热的流体,并且经由管道19将加热的流体返回到储存部12。
电池模块10具有冷却歧管,该冷却歧管相对于其他电池模块提供了实质的优点。具体地说,该电池模块具有冷却歧管,该冷却歧管提供了下述技术效果:分流流体,使得通过在电池模块中的热交换器获得基本上相等的流体流量,以将在电池模块中的电池单元保持在基本上均匀的温度。
虽然已经参考示例性实施例描述了本发明,但是本领域内的技术人员应当明白,在不偏离本发明的范围的情况下,可以进行各种改变,并且可以用等同物替代其中的元件。另外,在不偏离本发明的必要范围的情况下,可以进行许多修改以将特定情况或材料适应于本发明的教导。因此,本发明不限于被公开来用于执行本发明的特定实施例,而是本发明将包括落在权利要求范围内的所有实施例。而且,术语第一、第二等的使用用于将一个元件与另一个相区别。而且,术语一个等的使用不表示数量的限制,而是表示至少一个所提及项目的存在。
Claims (10)
1.一种电池模块,包括:
具有多个热交换器的多个电池单元组件;
第一冷却歧管,所述第一冷却歧管操作地耦合到所述多个电池单元组件,
其中,所述第一冷却歧管具有歧管部分和盖板,
所述歧管部分具有外壁、耦合到所述外壁的后壁以及分流器,所述外壁具有顶部部分,并且入口孔贯穿所述顶部部分,所述后壁具有从其贯穿的多个出口孔,
所述盖板与所述后壁相对地耦合到所述外壁,
所述分流器具有从所述后壁延伸并且被布置在所述入口孔之下的第一板,在所述第一板上具有多个凹槽,所述多个凹槽彼此隔开并且从所述第一板接近所述后壁的一端向所述盖板延伸,使得所述分流器从所述入口孔接收流体并且分流所述流体,从而通过所述多个出口孔的每一个出口孔,使用于冷却所述多个电池单元组件的所述多个热交换器的相应的热交换器获得基本上相等的流体流量。
2.根据权利要求1所述的电池模块,其中,所述歧管部分和所述盖板由塑料构成。
3.根据权利要求1所述的电池模块,进一步包括第二冷却歧管,所述第二冷却歧管被配置用来从所述多个热交换器接收所述流体。
4.根据权利要求1所述的电池模块,其中,通过每一个出口孔的所述流体的流量在第一流量的±5%内。
5.根据权利要求1所述的电池模块,其中,每一个电池单元组件具有电池单元。
6.一种用于冷却电池模块的方法,所述电池模块具有多个电池单元组件和第一冷却歧管,所述多个电池单元组件具有多个热交换器,所述方法包括:
经所述第一冷却歧管的入口孔把流体运送到所述第一冷却歧管内;
使用分流器来分流在所述第一冷却歧管内的所述流体,所述分流器包括被布置在所述入口孔之下的第一板,在所述第一板上具有多个凹槽,所述多个凹槽彼此隔开且沿第一方向延伸并且从所述第一板接近后壁的一端向盖板延伸,所述盖板与所述后壁相对地耦合到歧管部分的外壁,所述外壁具有顶部部分并且入口孔贯穿所述顶部部分,所述多个凹槽从所述第一板的顶部表面延伸至该第一板内,所述多个凹槽的每个凹槽具有相同的拱形截面轮廓,使得通过贯穿所述第一冷却歧管的多个出口孔的每一个出口孔来获得基本上相等的流体流量;以及
把所述流体从所述每一个出口孔运送到用来冷却所述多个电池单元组件的所述多个热交换器的相应的热交换器中,所述分流器被布置在所述入口孔之下并且在所述多个出口孔之上,所述分流器还被布置成垂直于所述流体经所述入口孔流动的方向。
7.根据权利要求6所述的方法,其中,通过每一个出口孔的所述流体的流量在第一流量的±5%内。
8.一种用于电池模块的冷却歧管,所述电池模块具有多个电池单元组件,所述冷却歧管包括:
歧管部分,所述歧管部分具有外壁、耦合到所述外壁的后壁以及分流器,所述外壁具有顶部部分,并且有入口孔贯穿所述顶部部分,所述后壁具有从其贯穿的多个出口孔,所述分流器被布置在所述入口孔之下,所述分流器被配置用来从所述入口孔接收流体并且分流所述流体,从而通过所述多个出口孔的每一个出口孔,使所述多个电池单元组件的相应的电池单元组件获得基本上相等的流量,所述分流器被布置在所述入口孔之下并且在所述多个出口孔之上,所述分流器还被布置成垂直于所述流体经所述入口孔流动的方向;以及
盖板,所述盖板与所述后壁相对地耦合到所述歧管部分的所述外壁,所述分流器包括从所述后壁延伸并且被布置在所述入口孔之下的第一板,在所述第一板上具有多个凹槽,所述多个凹槽彼此隔开并且从所述第一板接近所述后壁的一端向所述盖板延伸,所述多个凹槽从所述第一板的顶部表面延伸至该第一板内,所述多个凹槽的每个凹槽具有相同的拱形截面轮廓。
9.根据权利要求8所述的冷却歧管,其中,所述歧管部分和所述盖板由塑料构成。
10.根据权利要求8所述的冷却歧管,其中,通过所述每一个出口孔的所述流体的流量在第一流量的±5%内。
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KR101069161B1 (ko) | 2011-09-30 |
EP2293368A4 (en) | 2013-11-06 |
JP2011525690A (ja) | 2011-09-22 |
KR20100003135A (ko) | 2010-01-07 |
EP2293368B1 (en) | 2017-03-15 |
WO2010002137A2 (ko) | 2010-01-07 |
JP5456773B2 (ja) | 2014-04-02 |
EP2293368A2 (en) | 2011-03-09 |
WO2010002137A3 (ko) | 2010-03-18 |
US20090325052A1 (en) | 2009-12-31 |
US8426050B2 (en) | 2013-04-23 |
CN102057523A (zh) | 2011-05-11 |
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