CN107275713A - 一种新型锂电池模块散热装置 - Google Patents

一种新型锂电池模块散热装置 Download PDF

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CN107275713A
CN107275713A CN201710526470.5A CN201710526470A CN107275713A CN 107275713 A CN107275713 A CN 107275713A CN 201710526470 A CN201710526470 A CN 201710526470A CN 107275713 A CN107275713 A CN 107275713A
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heat
battery
lithium battery
battery module
radiating device
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项罗毅
樊彦良
赵博
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China Aviation Lithium Battery Co Ltd
China Aviation Lithium Battery Jiangsu Co Ltd
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China Aviation Lithium Battery Jiangsu Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6552Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

本发明涉及锂电池散热技术领域,特别是一种新型锂电池模块散热装置,包括用来放置电池组件的电池型腔,所述电池型腔整体放置在T型散热器上,所述T型散热器旁设置有风扇,所述T型散热器上设置有贴片温度传感器,所述贴片温度传感器与控制器输入端相连接,所述控制器输出端通过开关装置与风扇相连接。采用上述结构后,本发明具有以下有点:1.结构简单,型腔式侧板重量轻,提高模组能量密度;2.型腔式新型导热油散热避免水冷带来的电池短路的风险;3.散热效果好。

Description

一种新型锂电池模块散热装置
技术领域
本发明涉及锂电池散热技术领域,特别是一种新型锂电池模块散热装置。
背景技术
随着新能源汽车的快速发展,动力锂电池的发展需求越发强烈,对锂电池模组提出更高的要求,正着模块化、集成化、智能化方向发展,而锂电池模组的有效散热是其可靠应用的重要保证。
锂电池模组的散热是非常重要的一个环节,因为锂离子电池超温限使用或一旦过充、过放时,容易发生爆炸、燃烧等安全事故。常规的锂电池工作温度:0~40℃。锂的化学性质非常活泼,很容易燃烧,当电池内部持续升温,活化过程中所产生的气体膨胀就会成危险,同时温度越高,锂离子电池的容量损失就越快,而这种损失是不可逆的,也就是说,电池的容量会永久变小。温度过高会对电池造成不可逆损耗。当电池温度过低时,其低温保护就会启动,会造成电池有电却无法释放出来。
目前行业中锂电池模组主要采用热传导的方式。单体电池之间采用结构胶填充,按一定的次序排列组合,四周采用铝合金板。电池产生的热烈主要通过侧壁和底部的铝合金板传递到空气中。这种热传导散热方式的如下缺点:
(1)散热效果差,且结构笨重,影响模组的能量密度;
(2)模组长时间运行温度高,会影响电池性能和电池寿命。
发明内容
本发明需要解决的技术问题是提供一种散热效果好的锂电池模块散热装置。
为解决上述技术问题,本发明的一种新型锂电池模块散热装置,包括用来放置电池组件的电池型腔,所述电池型腔整体放置在T型散热器上,所述T型散热器旁设置有风扇,所述T型散热器上设置有贴片温度传感器,所述贴片温度传感器与控制器输入端相连接,所述控制器输出端通过开关装置与风扇相连接。
进一步的,所述电池型腔内设置热交换组件,所述热交换组件包括相互接触的集热管和热交换管,所述热交换管和集热管的进、出液口伸出电池型腔的型腔侧板。
更进一步的,所述型腔侧板与集热管、热交换管对应位置设置有向外延展的增表凸起,所述增表凸起为梯形。
更进一步的,所述热交换管和集热管的截面形状为椭圆形。
采用上述结构后,本发明具有以下有点:
1.结构简单,型腔式侧板重量轻,提高模组能量密度;
2.型腔式新型导热油散热避免水冷带来的电池短路的风险;
3.散热效果好。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明。
图1为本发明一种新型锂电池模块散热装置的结构示意图。
图2为本发明一种新型锂电池模块散热装置热交换组件的结构示意图。
图3为本发明型腔式侧板的结构示意图。
图中:1为型腔侧板,2为增表凸起,3为T型散热器,4为热交换组件,5 为单体电池
401为集热管进液口,402为集热管出液口,403为热交换管进液口, 404为热交换管出液口,405为热交换管,406为集热管
具体实施方式
如图1所示,本发明一种新型锂电池模块散热装置,包括用来放置电池组件的电池型腔,所述电池组件由并排的单体电池5组合而成。所述电池型腔整体放置在T型散热器3上,所述T型散热器3旁设置有风扇,所述T型散热器3 上设置有贴片温度传感器,所述贴片温度传感器与控制器输入端相连接,所述控制器输出端通过开关装置与风扇相连接。当检测到温度较高时,通过控制器控制风扇启动进行散热,开关装置可以采用继电器。本实施方式中,设定温度为30℃,超过30℃风扇启动。
进一步的,如图2和图3所示,所述电池型腔内设置热交换组件4,所述热交换组件4包括相互接触的集热管406和热交换管405,所述热交换管进液口 403、热交换管出液口404、集液管进液口401和集热管出液口402伸出电池型腔的型腔侧板1。本实施方式中采用多组集热管406和热交换管405相接触,在集热管进液口401注入吸热液体,吸热液体进入多组集热管406,从而将电池型腔内电池组件的温度带走,从集热管出液口402排出。为了提升散热效果,在热交换管进液口403通入热交换液体,和集热管406中的吸热液体进行热交换,从而降低集热管406中的吸热液体的温度,增大了吸热液体与电池组件之间的温差,使得吸热液体能从电池组件中带走更多的热量,提升了散热效果。
如图1所示,为了进一步提升本发明装置的散热效果,所述型腔侧板1与集热管406、热交换管405对应位置设置有向外延展的增表凸起2,所述增表凸起 2为梯形。这样向外凸起的设计,增大了型腔侧板的散热面积,提升了散热效果。当然,本发明的增表凸起2也可以设计成与集热管406、热交换管405外部贴合的形状或其他适用的形状,这样的变换均落在本发明的保护范围之内。
更进一步的,所述热交换管405和集热管406的截面形状为椭圆形,提升了液体的流动效果,更好的提升了散热效果。
虽然以上描述了本发明的具体实施方式,但是本领域熟练技术人员应当理解,这些仅是举例说明,可以对本实施方式作出多种变更或修改,而不背离本发明的原理和实质,本发明的保护范围仅由所附权利要求书限定。

Claims (4)

1.一种新型锂电池模块散热装置,包括用来放置电池组件的电池型腔,其特征在于:所述电池型腔整体放置在T型散热器上,所述T型散热器旁设置有风扇,所述T型散热器上设置有贴片温度传感器,所述贴片温度传感器与控制器输入端相连接,所述控制器输出端通过开关装置与风扇相连接。
2.按照权利要求1所述的一种新型锂电池模块散热装置,其特征在于:所述电池型腔内设置热交换组件,所述热交换组件包括相互接触的集热管和热交换管,所述热交换管和集热管的进、出液口伸出电池型腔的型腔侧板。
3.按照权利要求2所述的一种新型锂电池模块散热装置,其特征在于:所述型腔侧板与集热管、热交换管对应位置设置有向外延展的增表凸起,所述增表凸起为梯形。
4.按照权利要求2所述一种新型锂电池模块散热装置,其特征在于:所述热交换管和集热管的截面形状为椭圆形。
CN201710526470.5A 2017-06-30 2017-06-30 一种新型锂电池模块散热装置 Pending CN107275713A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI708419B (zh) * 2019-01-11 2020-10-21 美商莫仕有限公司 電池連接模組

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5834132A (en) * 1994-11-14 1998-11-10 Honda Giken Kogyo Kabushiki Kaisha Battery temperature regulating apparatus
JP2011124056A (ja) * 2009-12-10 2011-06-23 Kawasaki Heavy Ind Ltd 液冷型二次電池の冷却システム
JP2014149929A (ja) * 2013-01-31 2014-08-21 Hitachi Vehicle Energy Ltd 蓄電モジュール
CN206961981U (zh) * 2017-06-30 2018-02-02 中航锂电(江苏)有限公司 一种新型锂电池模块散热装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5834132A (en) * 1994-11-14 1998-11-10 Honda Giken Kogyo Kabushiki Kaisha Battery temperature regulating apparatus
JP2011124056A (ja) * 2009-12-10 2011-06-23 Kawasaki Heavy Ind Ltd 液冷型二次電池の冷却システム
JP2014149929A (ja) * 2013-01-31 2014-08-21 Hitachi Vehicle Energy Ltd 蓄電モジュール
CN206961981U (zh) * 2017-06-30 2018-02-02 中航锂电(江苏)有限公司 一种新型锂电池模块散热装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI708419B (zh) * 2019-01-11 2020-10-21 美商莫仕有限公司 電池連接模組

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