CN108879016B - 双面推进蓄电池冷却*** - Google Patents

双面推进蓄电池冷却*** Download PDF

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CN108879016B
CN108879016B CN201810418984.3A CN201810418984A CN108879016B CN 108879016 B CN108879016 B CN 108879016B CN 201810418984 A CN201810418984 A CN 201810418984A CN 108879016 B CN108879016 B CN 108879016B
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battery
coolant
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R·S·尚帕涅
S·L·格罗斯
L·F·施瓦布
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • H01M10/00Secondary cells; Manufacture thereof
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    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00Control parameters of input or output; Target parameters
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    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
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    • 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
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Abstract

一种车辆蓄电池冷却剂***,包括第一蓄电池模块和第二蓄电池模块,第一蓄电池模块包括第一多个电芯,第二蓄电池模块包括第二多个电芯。冷却剂板设置在第一蓄电池模块和第二蓄电池模块之间并且与第一蓄电池模块和第二蓄电池模块成热传递关系,其中冷却剂板在其中具有流体通道。

Description

双面推进蓄电池冷却***
技术领域
本公开涉及蓄电池冷却剂***,并且更具体地,涉及双面推进蓄电池冷却剂***。
背景技术
本节提供了与本公开有关的背景信息,其未必是现有技术。
已有提议将蓄电池电芯作为用于电动车辆和各种其他应用的清洁、有效且对环境负责的电力来源。蓄电池可再充电并且可以成形为各种形状和尺寸以便有效地填充电动车辆中的可用空间。例如,蓄电池电芯形状可以是棱柱形以利于电池电芯的堆叠。蓄电池组中可以设置多个单独的蓄电池电芯以提供足够运转电动车辆的电量。
已知电池电芯会在运行期间以及当再充电时由于充电周期产生热量。当过热或者以其他方式暴露于高温环境时,不良效应可能会影响蓄电池的运行。通常采用冷却***来针对不良的过热状况起作用。冷却***可以包括冷却板或散热片,它们可以具有通道,冷却剂与蓄电池电芯成热传递关系地流动通过该通道。
常规的冷却***包括设置在具有多个电芯或电芯模块的蓄电池组一侧上的液体冷却板,以用于冷却该单个蓄电池组。
对于能够利用最小的温度增量来最大化对蓄电池电芯有效冷却的蓄电池冷却***有着持续的需求。理想化的情形是:蓄电池冷却***和方法在蓄电池电芯上维持均匀的表面温度并利用液体冷却有效地将热量从电芯传递走。
发明内容
本节提供了本公开的大体概述,而并非是其完全范围或其所有特征的全面公开。
车辆蓄电池冷却剂***包括第一蓄电池模块和第二蓄电池模块,第一蓄电池模块包括第一多个电芯,第二蓄电池模块包括第二多个电芯。冷却剂板设置在第一蓄电池模块和第二蓄电池模块之间并且与该第一蓄电池模块和第二蓄电池模块成热传递关系,其中冷却剂板在其中具有流体通道。
通过本文所提供的描述其他应用领域将变得显而易见。在本发明内容中的描述和具体实例仅旨在用于说明的目的,而并不旨在限制本公开的范围。
附图说明
本文所述的附图仅用于说明选定实施例而并非全部可能实施方式的目的,并且并不旨在限制公开的范围。
图1是根据本公开原理的具有冷却***的一对堆叠的蓄电池模块的示意性侧视图;以及
图2是根据本公开原理的具有冷却***的一对堆叠的蓄电池模块的横截面视图。
贯穿附图的若干视图,对应的附图标记指示对应的部件。
具体实施方式
现在将参考附图更充分地描述示例性实施例。
提供示例性实施例以使得本公开将更详尽,并且将充分向本领域技术人员传达发明范围。阐述了许多具体细节,比如具体部件、装置及方法的示例,以提供对本公开的实施例的透彻理解。对本领域技术人员而言将显而易见的是,并不需要采用具体细节,示例性实施例可以以许多不同的形式体现并且任何一种不应被解释为限制本公开的范围。在一些示例性实施例中,公知的处理、公知的装置结构以及公知的技术不再进行详细描述。
本文中所使用的术语仅是为了描述特定示例性实施例的目的,而并不旨在进行限制。如本文所使用的,单数形式“一”、“一个”以及“该”可以旨在也包括复数形式,除非上下文以其他方式明确指出。术语“包括(comprises)”、“包括(comprising)”、“包含”以及“具有”是包含性的并且因此指明了所述特征、整体、步骤、操作、元件和/或部件的存在,而并不排除另外的一个或多个其他特征、整体、步骤、操作、元件、部件和/或其组合的存在。本文所述的方法步骤、处理以及操作不应被解释为必须需要它们按照所讨论或示出的特定顺序执行,除非被具体指明执行顺序。还应当理解的是,可以采用另外的或替代的步骤。
当将元件或层引用为“在另一元件或层上”、“接合至”、“连接至”或“耦合至”另一元件或层时,其可以直接在其上、直接接合、连接或耦合至另一元件或层,或者可以存在中间元件或层。相比而言,当将元件引用为“直接在另一元件或层上”、“直接接合至”、“直接连接至”或“直接耦合至”另一元件或层时,没有中间元件或层存在。用来描述元件之间关系的其他词语也应当按照类似的方式进行解释(例如,“在……之间”与“直接在……之间”,“邻近”与“直接邻近”等)。如本文所使用的,术语“和/或”包括一个或多个相关所列项目的任何或全部组合。
尽管术语第一、第二、第三等在本文中可以用来描述各种元件、部件、区域、层和/或部分,这些元件、部件、区域、层和/或部分不应该受这些术语的限制。这些术语可以仅用来将一个元件、部件、区域、层或部分与另一区域、层或部分进行区分。诸如“第一”、“第二”的术语以及其他数字术语,当在本文中使用时,并不暗示序列或顺序,除非上下文明确指出。因此,以下所讨论的第一元件、部件、区域、层或部分可以被叫做第二元件、部件、区域、层或部分而并不脱离示例性实施例的教导。
空间相对术语,比如“内”、“外”“下面”“下方”“下”、“上方”“上”等,在本文中是为了方便描述而使用,以用来描述如图所示的一个元件或特征关于其他元件或特征的关系。空间相对术语可以旨在涵盖除了图中描绘的方向之外的使用或操作中的装置的不同方向。例如,如果将图中的装置翻转,则被描述为在其他元件或特征下方或下面的元件之后将被定向为在其他元件或特征上方。因此,术语“在……下方”可以同时涵盖上方和下方两个方向。装置可以以其他方式定向(旋转90°或以其他方向)并且相应地对本文所使用的空间相对描述进行解释。
参考图1和图2,示出了车辆蓄电池***12的一对蓄电池模块10。蓄电池模块10各自包括壳体14和设置在壳体14内的多个电芯16。外壳18可以包括间隔块20以用于在电池蓄电池模块10之间保持一定间隔。冷却剂板22设置在该对蓄电池模块10的多个电芯16之间。热界面材料层24设置在冷却剂板22的每一侧上并且与多个电芯16成热传递关系。盖子28设置在外壳18上。
通过将冷却剂板22支承在一对电芯16之间,上蓄电池模块10在冷却剂板22上提供压力并提供热界面材料24以抵靠下蓄电池模块10的上表面提供适当的压力。这样在冷却剂板22上提供了相等的压力,因为通过压缩热界面材料24,冷却剂板22在其顶部和底部表面被相等地压缩。外壳18在上、下蓄电池模块10之间提供了适当的间隔以用于冷却剂板压缩。在冷却剂板22上的均匀压力对于热量从蓄电池模块10传递而言示重要的。
本公开的冷却剂***利用了单个冷却剂板22以及在一对蓄电池模块10之间的相对的热界面材料层。使用单个冷却剂板22来冷却一对蓄电池模块10将蓄电池***12的总高度减少了大约25mm。该构思可以应用于两个或更多个堆叠的蓄电池模块10。本公开的冷却剂***减少了所需的冷却剂板的数量并且进一步所需的冷却剂的量,这分别导致车辆重量的减少。此外,由于共享冷却剂板关系而引起的冷却剂板消除,减少了所需的冷却剂连接件的数量并且由于冷却剂板数目的减少导致了更低的冷却剂压力。此外,由于相对于有2个单独的冷却剂板的情况使用单个冷却剂板,在一对蓄电池模块之间使用单个冷却剂板提供了电芯温度均匀性。本公开通过利用板22的两个侧面增加了对冷却剂板的有效利用。
热界面材料24可以是以衬垫形式的公知热界面材料。如本领所公知的,本公开的蓄电池模块10可以储存在车辆的底板下方。
已经对实施例提供了以上描述,用于说明和描述的目的。其并不旨在是穷尽性的或者限制本公开。特定实施例的各个元件或特征通常并不限于该特定实施例,而是,在可应用的情况下,可以互相交换并且可以在选定实施例中使用,即使并未具体示出或描述。特定实施例的各个元件或特征也可以采用许多方式变化。此类变化不应认为脱离了本公开,并且所有此类修改旨在包含在本公开的范围内。

Claims (3)

1.一种车辆蓄电池冷却剂***,其包括:
第一蓄电池模块,其包括第一多个电芯,其中所述第一蓄电池模块包括围绕所述第一多个电芯的第一壳体;
第二蓄电池模块,其包括第二多个电芯,其中所述第二蓄电池模块包括围绕所述第二多个电芯的第二壳体;
冷却剂板,所述冷却剂板设置在所述第一蓄电池模块和所述第二蓄电池模块之间并且与所述第一蓄电池模块和所述第二蓄电池模块成热传递关系,其中所述冷却剂板在其中具有流体通道;
第一热界面衬垫和第二热界面衬垫,所述第一热界面衬垫直接设置在所述第一蓄电池模块和所述冷却剂板的第一侧面之间且与二者中的每一者接触,所述第二热界面衬垫直接设置在所述第二蓄电池模块和所述冷却剂板的第二侧面之间且与二者中的每一者接触;以及
容纳所述第一蓄电池模块的第一外壳以及垂直地堆叠在所述第一外壳的顶部上并容纳所述第二蓄电池模块的第二外壳,
其中所述第二外壳包括间隔块,所述间隔块从所述第二外壳的侧壁向内径向延伸并且在所述第一蓄电池模块和所述第二蓄电池模块之间支承所述冷却剂板。
2.根据权利要求1所述的车辆蓄电池冷却剂***,其中,所述冷却剂板和所述第二蓄电池模块的重量由所述第一蓄电池模块支承,使得在所述第一热界面衬垫和所述第二热界面衬垫上实现均匀的压力。
3.根据权利要求1所述的车辆蓄电池冷却剂***,其中所述第一蓄电池模块和所述第二蓄电池模块仅由设置在所述第一蓄电池模块和所述第二蓄电池模块之间的所述冷却剂板冷却。
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JP6683779B2 (ja) 2018-08-31 2020-04-22 本田技研工業株式会社 バッテリパックの冷却構造
KR20220163923A (ko) * 2020-04-02 2022-12-12 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 배터리 모듈 어셈블리, 배터리 팩, 및 배터리를 전원으로 사용하는 장치
US11728496B2 (en) 2021-03-09 2023-08-15 GM Global Technology Operations LLC Propulsion battery packs with integrated fuel tank mounting systems
DE102021124066B3 (de) 2021-09-17 2022-11-17 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Batterieanordnung
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DE102022127777A1 (de) 2022-10-20 2024-04-25 Friedrich Boysen GmbH & Co KG. Batteriegehäuse

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