WO2019134699A1 - Battery module and automobile - Google Patents

Battery module and automobile Download PDF

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Publication number
WO2019134699A1
WO2019134699A1 PCT/CN2019/070632 CN2019070632W WO2019134699A1 WO 2019134699 A1 WO2019134699 A1 WO 2019134699A1 CN 2019070632 W CN2019070632 W CN 2019070632W WO 2019134699 A1 WO2019134699 A1 WO 2019134699A1
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WO
WIPO (PCT)
Prior art keywords
battery module
pole
expansion
area
pole mounting
Prior art date
Application number
PCT/CN2019/070632
Other languages
French (fr)
Chinese (zh)
Inventor
蒋露霞
程晗
颜海鹏
潘仪
何科峰
袁万颂
Original Assignee
比亚迪股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810474865.XA external-priority patent/CN110021721B/en
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019134699A1 publication Critical patent/WO2019134699A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present application relates to the field of batteries, and relates to a battery module and an automobile.
  • the performance of the battery has an important impact on the overall performance and experience; for example, the capacity of the battery determines the overall battery life and is one of the main concerns of the user.
  • a plurality of battery cells may be combined in series or in parallel to form a battery module.
  • the overall volume of the battery module roughly determines the battery capacity.
  • the installation environment of the battery module in the electronic device or the power tool basically determines the space occupied by the whole, and the volume of the battery module is difficult to increase, and the volume of the corresponding single battery unit is also There is no limit to the increase, and the capacity of the battery is limited.
  • the present application provides a battery module, wherein the battery module includes a module body, a pole and a sampling unit, and the module body includes a first expansion end, and the first expansion end Providing a pole mounting area and a first expansion area protruding relative to the pole mounting area, the pole mounting area being recessed relative to the first expansion area to form a pole mounting space, the pole being at least partially located In the pole installation space, the sampling unit is connected to the pole.
  • the sampling unit includes a flexible circuit board, a sampling terminal, and the sampling terminal connects the flexible circuit board and the pole.
  • the battery module includes a connecting plate, each of the connecting plates connecting two adjacent poles, and the sampling terminal is connected to the connecting plate.
  • the first expansion end is provided with two pole mounting regions parallel to each other, and the first expansion region is disposed between the two pole mounting regions.
  • the battery module includes a plurality of poles arranged along a length direction of the pole mounting region.
  • the flexible circuit board is disposed in the expansion area and extends along a length direction of the pole mounting area.
  • the module body includes a second expansion end, and the second expansion end is provided with a cooling structure mounting area and a second expansion area protruding relative to the cooling structure mounting area,
  • the cooling structure mounting area is recessed relative to the second expansion area to form a cooling structure installation space.
  • the battery module includes a case for accommodating the module body, and the case includes an upper cover and a lower cover, wherein two poles pass through the upper cover.
  • the top surface of the upper cover is provided with a recessed area, and the pole is disposed through the recessed area.
  • the battery module includes a plurality of battery cells of identical construction, each of the battery cells being provided with a portion of the pole mounting region and a portion of the first expansion region.
  • the present application also provides an automobile, wherein the automobile includes at least one battery module described in the above aspect.
  • corresponding pole mounting regions and relatively protruding expansion regions are respectively disposed, thereby increasing the volume of the module body in a limited space defined by the external structure, allowing the battery unit It has a larger volume, which increases battery capacity.
  • FIG. 1 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 2 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 3 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 4 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 5 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 6 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 7 is a perspective view of a battery module according to an embodiment of the present application.
  • FIG. 8 is a perspective view of a battery unit according to an embodiment of the present application.
  • FIG. 9 is a schematic view of an automobile according to an embodiment of the present application.
  • the present invention provides a battery module 100, wherein the battery module 100 includes a module body 1, a pole 3 and a sampling unit, the module body 1 includes a first expansion end 11, and the first expansion
  • the end 11 is provided with a pole mounting area 112 and a first expansion area 111 protruding relative to the pole mounting area 112.
  • the pole mounting area 112 is recessed relative to the first expansion area 111 to form a pole mounting space.
  • the pole 3 is at least partially located in the pole mounting space, and the sampling unit is connected to the pole 3.
  • the battery module 100 is composed of a plurality of battery cells 2, and the structure of the battery module 100 will now be described from an overall angle.
  • the module body of the battery module 100 is provided with a pole mounting area 112 for mounting the pole 3, and the pole mounting area 112 is recessed relative to the first expanding area 111 to form a pole mounting space, and at least a part of the pole 3 is disposed.
  • the sampling unit is connected to the pole 3 for sampling.
  • the pole mounting area 112 of the first expansion end 11 is an area corresponding to the pole 3, and the size and shape of the area are limited for mounting the pole 3, and outside the pole mounting area 112. Since the region does not have the limitation of the pole 3, especially after the pole 3 is installed, an unoccupied space is formed, so that the portion (corresponding to the first expansion region 111) can be disposed to protrude outward to increase the volume of the module body 1. To achieve expansion.
  • the sampling unit includes a flexible circuit board 7, a sampling terminal 6, and the sampling terminal 6 connects the flexible circuit board 7 and the pole 3.
  • the flexible circuit board 7 is electrically connected to the pole 3 through the sampling terminal 6, so that the battery module 100 (specifically, the battery unit 2) is sampled, and the flexible circuit board 7 is connected with an external control component. In order to monitor the working state of the battery module 100.
  • the battery module 100 includes a connecting plate 5, each of which connects two adjacent poles 3, and the sampling terminal 6 is connected to the connecting plate 5. As shown in FIG. 1 to FIG. 6 , two adjacent poles 3 can be electrically connected through the connecting plate 5, and only one sampling terminal 6 is needed to be electrically connected to the two poles 3, which can reduce the number of sampling terminals 6. . Both the connecting plate 5 and the sampling terminal 6 are electrically conductive.
  • the first expansion end 11 is provided with two pole mounting regions 112 that are parallel to each other, and the first expansion region 111 is disposed between the two pole mounting regions 112. As shown in FIG. 1, FIG. 2 and FIG. 3, in the first expansion end 11, two parallel pole mounting regions 112 are provided, and a first expansion region 111 is disposed between the two pole mounting regions 112.
  • the battery module 100 includes a plurality of poles 3 arranged along the length of the pole mounting region 112.
  • the poles 3 are regularly arranged along the length of the pole mounting area 112, making the setting of the sampling unit more convenient.
  • the poles 3 in each pole mounting area 112 may correspond to different battery cells 2 as the positive and negative poles of the battery unit 2.
  • the flexible circuit board 7 is disposed to be disposed in the pole mounting region 112 and extends along the length direction of the pole mounting region 112. As shown in FIGS. 2-6, the flexible circuit board 7 is disposed in the pole mounting area 112, and the flexible circuit board 7 is formed substantially in an elongated shape and extends along the length of the pole mounting area 112, or along the pole 3. The arrangement direction extends so that it can be connected to each pole 3 in the pole mounting region 112 through the sampling terminal 6.
  • the flexible circuit board 7 is disposed in the first expansion area 111 and extends along the length direction of the first expansion area 111 (not shown).
  • the flexible circuit board 7 is disposed in the first expansion area 111, and the flexible circuit board 7 is formed substantially in an elongated shape and extends along the length direction of the first expansion area 111, or extends along the arrangement direction of the poles 3, so that sampling can be performed.
  • the terminal 6 is connected to each of the poles 3 in the pole mounting region 112.
  • a pole mounting area 112 is disposed in a first expansion end 11, wherein in the embodiment of FIGS. 4 and 6, the pole mounting area 112 is disposed in the first
  • a first expansion area 111 is disposed at an edge of the expansion end 11
  • the module body 1 is provided with two first expansion ends 11 opposite to each other, and two poles respectively disposed on the two first expansion ends 11
  • the column mounting regions 112 may be aligned or offset from each other; in the embodiment shown in FIG. 5, the pole mounting region 112 is disposed at a substantially intermediate position of the first expansion end 11, and a pole is disposed on each side of the pole mounting region 112.
  • a expansion area 111 is provided, and the module body 1 is provided with two first expansion ends 11 opposed to each other, and the two pole mounting areas 112 respectively disposed on the two first expansion ends 11 are aligned with each other.
  • the module body 1 includes a second expansion end 12, and the second expansion end 12 is provided with a cooling structure mounting area 121 and a second expansion area 122 protruding relative to the cooling structure mounting area 121.
  • the cooling structure mounting area 121 is recessed relative to the second expansion area 122 to form a cooling structure mounting space.
  • the bottom end of the module body 1 is a second expansion end 12, and the second expansion end 12 is similar in structure to the first expansion end 11, wherein, as shown in FIG.
  • the cooling structure installation space formed by recessing the second expansion area 122 may be used to install a cooling structure such as the cooling tube 4 to achieve cooling of the battery module 100, and the area where the cooling tube 4 is not installed is outwardly convex to form a first
  • the second expansion area 122 realizes an increase in the overall volume and achieves expansion.
  • the battery module 100 includes a case for accommodating the module body 1, and the case includes an upper cover 82 and a lower cover 81, and two poles 3 are passed out from the upper cover 82.
  • the box body includes an upper cover 82 and a lower cover 81 that can be engaged with each other.
  • the upper cover 82 and the lower cover 81 constitute a space for accommodating the module body 1.
  • the upper cover 82 can cover the first expansion end. 11 , wherein two poles 3 are disposed through the upper cover 82 and can be electrically connected to an external electrical device, and the other poles 3 can be connected in series or in parallel through the connecting plate 5 to form a unified power supply body of the plurality of battery cells 2 . .
  • the top surface of the upper cover 82 is provided with a recessed area, and the pole 3 is disposed through the recessed area. As shown in FIG. 1, the height of the pole 3 is substantially the same as the height of the first expansion zone 111. Therefore, it is necessary to provide a recessed area on the upper cover 82 so that the pole 3 can pass through the upper cover 82.
  • the battery module 100 includes a plurality of identically configured battery cells 2, each of which is provided with a portion of the pole mounting region 112 and a portion of the first expansion region 111.
  • the module body 1 is composed of a plurality of battery cells 2.
  • the pole mounting region 112 and the first expansion region 111 are each formed by splicing the battery cells 2, and each of the battery cells 2 includes a setting. There is a portion of the first expansion end 11 and a portion of the pole mounting area 112 and the first expansion area 111.
  • Each battery unit 2 is expanded by designing a region other than the pole mounting area 112.
  • the present application further provides an automobile 200, wherein the automobile 200 includes at least one battery module 100 according to the above aspect.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • installation can be understood on a case-by-case basis.
  • the first feature "on” or “below” the second feature may be the direct contact of the first and second features, or the first and second features are indirectly through the intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

A battery module (100) comprises a module body (1), a terminal post (3) and a sampling unit. The module body (1) comprises a first expansion end (11) provided with a terminal post installation region (112) and a first expansion region (111) protruding with respect to the terminal post installation region (112). The terminal post installation region (112) is recessed with respect to the first expansion region (111) to form a terminal post installation space. The terminal post (3) is at least partially located in the terminal post installation space. The sampling unit is connected to the terminal post (3).

Description

电池模组及汽车Battery module and car
相关申请的交叉引用Cross-reference to related applications
本申请要求2018年1月8日递交的、申请号为201810015504.9、201810016060.0、201810015506.8、201810016052.6、201810015502.X、201810016520.X、201810015503.4、201810016056.4的中国专利申请的优先权；本申请要求2018年5月17日递交的、申请号为201810474865.X的中国专利申请的优先权。Priority is claimed on Chinese Patent Application No. 201810015504.9, No. 201810016060.0, No. 201810015506.8, 201810016052.6, 201810015502.X, 201810016520.X, 201810015503.4, 201810016056.4, filed on January 8, 2018; this application claims May 17, 2018 The priority of the Chinese patent application filed on the Japanese Patent Application No. 201101474.
技术领域Technical field
本申请涉及电池领域，涉及一种电池模组及汽车。The present application relates to the field of batteries, and relates to a battery module and an automobile.
背景技术Background technique
随着科技的发展，各种电子设备、电动工具等得到广泛应用，例如手机、电动车辆等。作为核心部件，电池的性能对整体的性能及使用体验具有重要影响；比如，电池的容量决定了整体的续航，也是使用者的主要关注点之一。With the development of technology, various electronic devices and power tools have been widely used, such as mobile phones and electric vehicles. As a core component, the performance of the battery has an important impact on the overall performance and experience; for example, the capacity of the battery determines the overall battery life and is one of the main concerns of the user.
为了提供足够的功率，可以将多个电池单元串联或并联组成电池模组。电池模组的整体体积大致决定了电池容量，电池模组在电子设备或电动工具中的安装环境基本决定了整体所占用的空间，电池模组的体积难以增加，相应的单个电池单元的体积也不能无限制的增加，电池的容量受到限制。In order to provide sufficient power, a plurality of battery cells may be combined in series or in parallel to form a battery module. The overall volume of the battery module roughly determines the battery capacity. The installation environment of the battery module in the electronic device or the power tool basically determines the space occupied by the whole, and the volume of the battery module is difficult to increase, and the volume of the corresponding single battery unit is also There is no limit to the increase, and the capacity of the battery is limited.
申请内容Application content
本申请的目的是提供一种电池模组，以在存在空间限制的情况下扩大电池容量。It is an object of the present application to provide a battery module that expands battery capacity in the presence of space constraints.
为了实现上述目的，本申请提供了一种电池模组，其中，所述电池模组包括模组主体、极柱和采样单元，所述模组主体包括第一扩容端，所述第一扩容端设置有极柱安装区和相对于极柱安装区凸出的第一扩容区，所述极柱安装区相对于所述第一扩容区凹陷而形成极柱安装空间，所述极柱至少部分位于所述极柱安装空间中，所述采样单元连接于所述极柱。In order to achieve the above object, the present application provides a battery module, wherein the battery module includes a module body, a pole and a sampling unit, and the module body includes a first expansion end, and the first expansion end Providing a pole mounting area and a first expansion area protruding relative to the pole mounting area, the pole mounting area being recessed relative to the first expansion area to form a pole mounting space, the pole being at least partially located In the pole installation space, the sampling unit is connected to the pole.
根据本申请的一些实施例，所述采样单元包括柔性电路板、采样端子，所述采样端子连接所述柔性电路板和所述极柱。According to some embodiments of the present application, the sampling unit includes a flexible circuit board, a sampling terminal, and the sampling terminal connects the flexible circuit board and the pole.
根据本申请的一些实施例，所述电池模组包括连接板，每个所述连接板连接相邻的两个所述极柱，所述采样端子连接于所述连接板。According to some embodiments of the present application, the battery module includes a connecting plate, each of the connecting plates connecting two adjacent poles, and the sampling terminal is connected to the connecting plate.
根据本申请的一些实施例，所述第一扩容端设置有两个彼此平行的所述极柱安装区，所 述第一扩容区设置在两个所述极柱安装区之间。According to some embodiments of the present application, the first expansion end is provided with two pole mounting regions parallel to each other, and the first expansion region is disposed between the two pole mounting regions.
根据本申请的一些实施例，所述电池模组包括沿所述极柱安装区的长度方向排列的多个极柱。According to some embodiments of the present application, the battery module includes a plurality of poles arranged along a length direction of the pole mounting region.
根据本申请的一些实施例，所述柔性电路板贴合设置在所述扩容区并且沿所述极柱安装区的长度方向延伸。According to some embodiments of the present application, the flexible circuit board is disposed in the expansion area and extends along a length direction of the pole mounting area.
根据本申请的一些实施例，所述模组主体包括第二扩容端，所述第二扩容端设置有冷却结构安装区和相对于所述冷却结构安装区凸出的第二扩容区，所述冷却结构安装区相对于所述第二扩容区凹陷而形成冷却结构安装空间。According to some embodiments of the present application, the module body includes a second expansion end, and the second expansion end is provided with a cooling structure mounting area and a second expansion area protruding relative to the cooling structure mounting area, The cooling structure mounting area is recessed relative to the second expansion area to form a cooling structure installation space.
根据本申请的一些实施例，所述电池模组包括用于容纳所述模组主体的箱体，所述箱体包括上盖和下盖，其中两个极柱从所述上盖穿出。According to some embodiments of the present application, the battery module includes a case for accommodating the module body, and the case includes an upper cover and a lower cover, wherein two poles pass through the upper cover.
根据本申请的一些实施例，所述上盖的顶面设置有凹陷区，所述极柱穿出所述凹陷区设置。According to some embodiments of the present application, the top surface of the upper cover is provided with a recessed area, and the pole is disposed through the recessed area.
根据本申请的一些实施例，所述电池模组包括多个结构相同的电池单元，每个所述电池单元设置有所述极柱安装区的一部分以及所述第一扩容区的一部分。According to some embodiments of the present application, the battery module includes a plurality of battery cells of identical construction, each of the battery cells being provided with a portion of the pole mounting region and a portion of the first expansion region.
另外，本申请还提供了一种汽车，其中，所述汽车包括至少一个以上方案所述的电池模组。In addition, the present application also provides an automobile, wherein the automobile includes at least one battery module described in the above aspect.
通过上述技术方案，在电池模组的一些表面中，分别设置对应的极柱安装区以及和相对凸出的扩容区，从而在外部结构限定的有限空间内增加模组主体的体积，允许电池单元具有更大的体积，从而增加了电池容量。Through the above technical solution, in some surfaces of the battery module, corresponding pole mounting regions and relatively protruding expansion regions are respectively disposed, thereby increasing the volume of the module body in a limited space defined by the external structure, allowing the battery unit It has a larger volume, which increases battery capacity.
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。Additional aspects and advantages of the present invention will be set forth in part in the description which follows.
附图说明DRAWINGS
图1是本申请的一种实施方式所述的电池模组的立体图；1 is a perspective view of a battery module according to an embodiment of the present application;
图2是本申请的一种实施方式所述的电池模组的立体图；2 is a perspective view of a battery module according to an embodiment of the present application;
图3是本申请的一种实施方式所述的电池模组的立体图；3 is a perspective view of a battery module according to an embodiment of the present application;
图4是本申请的一种实施方式所述的电池模组的立体图；4 is a perspective view of a battery module according to an embodiment of the present application;
图5是本申请的一种实施方式所述的电池模组的立体图；5 is a perspective view of a battery module according to an embodiment of the present application;
图6是本申请的一种实施方式所述的电池模组的立体图；6 is a perspective view of a battery module according to an embodiment of the present application;
图7是本申请的一种实施方式所述的电池模组的立体图；7 is a perspective view of a battery module according to an embodiment of the present application;
图8是本申请的一种实施方式所述的电池单元的立体图；8 is a perspective view of a battery unit according to an embodiment of the present application;
图9是本申请的实施方式所述的汽车的示意图。9 is a schematic view of an automobile according to an embodiment of the present application.
附图标记说明Description of the reference numerals
100   电池模组              200  汽车100 battery module 200 car
1     模组主体               2     电池单元1 module body 2 battery unit
3     极柱                   4     冷却管3-pole column 4 cooling tube
5     连接板                 6     采样端子5 connection plate 6 sampling terminal
7     柔性电路板7 flexible circuit board
11    第一扩容端             12 第二扩容端11 First expansion end 12 Second expansion end
111 第一扩容区             112  极柱安装区111 First expansion area 112 pole installation area
121 冷却结构安装区          122  第二扩容区121 Cooling structure installation area 122 Second expansion area
81 下盖                   82 上盖81 lower cover 82 upper cover
具体实施方式Detailed ways
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。The embodiments of the present application are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative, and are not to be construed as limiting.
本申请提供了一种电池模组100，其中，所述电池模组100包括模组主体1、极柱3和采样单元，所述模组主体1包括第一扩容端11，所述第一扩容端11设置有极柱安装区112和相对于极柱安装区112凸出的第一扩容区111，所述极柱安装区112相对于所述第一扩容区111凹陷而形成极柱安装空间，所述极柱3至少部分位于所述极柱安装空间中，所述采样单元连接于所述极柱3。The present invention provides a battery module 100, wherein the battery module 100 includes a module body 1, a pole 3 and a sampling unit, the module body 1 includes a first expansion end 11, and the first expansion The end 11 is provided with a pole mounting area 112 and a first expansion area 111 protruding relative to the pole mounting area 112. The pole mounting area 112 is recessed relative to the first expansion area 111 to form a pole mounting space. The pole 3 is at least partially located in the pole mounting space, and the sampling unit is connected to the pole 3.
所述电池模组100由多个电池单元2组成，现从整体角度对电池模组100的结构进行说明。其中，电池模组100的模组主体设置有用于安装极柱3的极柱安装区112，极柱安装区112相对于第一扩容区111凹陷形成极柱安装空间，极柱3的至少一部分设置在该极柱安装空间中，采样单元与极柱3连接实现采样。The battery module 100 is composed of a plurality of battery cells 2, and the structure of the battery module 100 will now be described from an overall angle. The module body of the battery module 100 is provided with a pole mounting area 112 for mounting the pole 3, and the pole mounting area 112 is recessed relative to the first expanding area 111 to form a pole mounting space, and at least a part of the pole 3 is disposed. In the pole mounting space, the sampling unit is connected to the pole 3 for sampling.
在本方案中，第一扩容端11的极柱安装区112为对应于极柱3的区域，为了安装极柱3，该区域的尺寸、形状受到限制，而在极柱安装区112之外的区域由于没有极柱3的限制，特别是安装极柱3后形成未占用空间，从而可以将这部分区域(对应于第一扩容区111)设置为向外凸出以增加模组主体1的体积，实现扩容。In the present embodiment, the pole mounting area 112 of the first expansion end 11 is an area corresponding to the pole 3, and the size and shape of the area are limited for mounting the pole 3, and outside the pole mounting area 112. Since the region does not have the limitation of the pole 3, especially after the pole 3 is installed, an unoccupied space is formed, so that the portion (corresponding to the first expansion region 111) can be disposed to protrude outward to increase the volume of the module body 1. To achieve expansion.
一些实施例中，所述采样单元包括柔性电路板7、采样端子6，所述采样端子6连接所述柔性电路板7和所述极柱3。如图2-图6所示，柔性电路板7通过采样端子6电连接于极柱3，实现对电池模组100(具体为电池单元2)采样，柔性电路板7与外 部的控制元件等连接，以对电池模组100的工作状态进行监控。In some embodiments, the sampling unit includes a flexible circuit board 7, a sampling terminal 6, and the sampling terminal 6 connects the flexible circuit board 7 and the pole 3. As shown in FIG. 2-6, the flexible circuit board 7 is electrically connected to the pole 3 through the sampling terminal 6, so that the battery module 100 (specifically, the battery unit 2) is sampled, and the flexible circuit board 7 is connected with an external control component. In order to monitor the working state of the battery module 100.
另外，所述电池模组100包括连接板5，每个所述连接板5连接相邻的两个所述极柱3，所述采样端子6连接于所述连接板5。如图1-图6所示，通过连接板5可以将两个相邻的极柱3电连接，只需要一个采样端子6就可以与两个极柱3电连接，可以减少采样端子6的数量。连接板5、采样端子6均为可以导电的结构。In addition, the battery module 100 includes a connecting plate 5, each of which connects two adjacent poles 3, and the sampling terminal 6 is connected to the connecting plate 5. As shown in FIG. 1 to FIG. 6 , two adjacent poles 3 can be electrically connected through the connecting plate 5, and only one sampling terminal 6 is needed to be electrically connected to the two poles 3, which can reduce the number of sampling terminals 6. . Both the connecting plate 5 and the sampling terminal 6 are electrically conductive.
一些实施例中，所述第一扩容端11设置有两个彼此平行的所述极柱安装区112，所述第一扩容区111设置在两个所述极柱安装区112之间。如图1、图2、图3所示，在第一扩容端11中，设置有两个平行的极柱安装区112，并且在两个极柱安装区112之间设置第一扩容区111。In some embodiments, the first expansion end 11 is provided with two pole mounting regions 112 that are parallel to each other, and the first expansion region 111 is disposed between the two pole mounting regions 112. As shown in FIG. 1, FIG. 2 and FIG. 3, in the first expansion end 11, two parallel pole mounting regions 112 are provided, and a first expansion region 111 is disposed between the two pole mounting regions 112.
一些实施例中，所述电池模组100包括沿所述极柱安装区112的长度方向排列的多个极柱3。极柱3沿极柱安装区112的长度方向规则地排列，使得采样单元的设置更方便。每个极柱安装区112中的极柱3可以对应于不同的电池单元2，作为电池单元2的正负极。In some embodiments, the battery module 100 includes a plurality of poles 3 arranged along the length of the pole mounting region 112. The poles 3 are regularly arranged along the length of the pole mounting area 112, making the setting of the sampling unit more convenient. The poles 3 in each pole mounting area 112 may correspond to different battery cells 2 as the positive and negative poles of the battery unit 2.
另外，所述柔性电路板7贴合设置在所述极柱安装区112并且沿所述极柱安装区112的长度方向延伸。如图2-图6所示，柔性电路板7设置在极柱安装区112，并且柔性电路板7大致形成为长条状且沿极柱安装区112的长度方向延伸，或者说沿极柱3的排列方向延伸，从而可以通过采样端子6连接于极柱安装区112中的每个极柱3。In addition, the flexible circuit board 7 is disposed to be disposed in the pole mounting region 112 and extends along the length direction of the pole mounting region 112. As shown in FIGS. 2-6, the flexible circuit board 7 is disposed in the pole mounting area 112, and the flexible circuit board 7 is formed substantially in an elongated shape and extends along the length of the pole mounting area 112, or along the pole 3. The arrangement direction extends so that it can be connected to each pole 3 in the pole mounting region 112 through the sampling terminal 6.
一些实施例中，(图中未示出)所述柔性电路板7贴合设置在所述第一扩容区111并且沿所述第一扩容区111的长度方向延伸。柔性电路板7设置在第一扩容区111，并且柔性电路板7大致形成为长条状且沿第一扩容区111的长度方向延伸，或者说沿极柱3的排列方向延伸，从而可以通过采样端子6连接于极柱安装区112中的每个极柱3。In some embodiments, the flexible circuit board 7 is disposed in the first expansion area 111 and extends along the length direction of the first expansion area 111 (not shown). The flexible circuit board 7 is disposed in the first expansion area 111, and the flexible circuit board 7 is formed substantially in an elongated shape and extends along the length direction of the first expansion area 111, or extends along the arrangement direction of the poles 3, so that sampling can be performed. The terminal 6 is connected to each of the poles 3 in the pole mounting region 112.
此外，如图4、图5、图6所示，一个第一扩容端11中设置有一个极柱安装区112，其中，图4和图6的实施方式中，极柱安装区112设置在第一扩容端11的边缘处，并且设置有一个第一扩容区111，模组主体1设置有两个彼此相对的第一扩容端11，分别设置在两个第一扩容端11上的两个极柱安装区112可以彼此对齐或错开；在图5所示的实施方式中，极柱安装区112设置在第一扩容端11的大致中间位置，极柱安装区112的两侧分别设置有一个第一扩容区111，并且模组主体1设置有两个彼此相对的第一扩容端11，分别设置在两个第一扩容端11上的两个极柱安装区112彼此对齐。In addition, as shown in FIG. 4, FIG. 5 and FIG. 6, a pole mounting area 112 is disposed in a first expansion end 11, wherein in the embodiment of FIGS. 4 and 6, the pole mounting area 112 is disposed in the first A first expansion area 111 is disposed at an edge of the expansion end 11 , and the module body 1 is provided with two first expansion ends 11 opposite to each other, and two poles respectively disposed on the two first expansion ends 11 The column mounting regions 112 may be aligned or offset from each other; in the embodiment shown in FIG. 5, the pole mounting region 112 is disposed at a substantially intermediate position of the first expansion end 11, and a pole is disposed on each side of the pole mounting region 112. A expansion area 111 is provided, and the module body 1 is provided with two first expansion ends 11 opposed to each other, and the two pole mounting areas 112 respectively disposed on the two first expansion ends 11 are aligned with each other.
另外，所述模组主体1包括第二扩容端12，所述第二扩容端12设置有冷却结构安装区121和相对于所述冷却结构安装区121凸出的第二扩容区122，所述冷却结构安装区121相对于所述第二扩容区122凹陷而形成冷却结构安装空间。如图1和图2所示，模组主体1的底端为第二扩容端12，第二扩容端12与第一扩容端11的结构相似，其 中，如图1所示，冷却结构安装区121相对于第二扩容区122凹陷形成的冷却结构安装空间可以用于安装冷却管4等冷却结构，实现对电池模组100的冷却，而未安装冷却管4的区域向外凸出形成为第二扩容区122，实现整体体积的增加，实现扩容。In addition, the module body 1 includes a second expansion end 12, and the second expansion end 12 is provided with a cooling structure mounting area 121 and a second expansion area 122 protruding relative to the cooling structure mounting area 121. The cooling structure mounting area 121 is recessed relative to the second expansion area 122 to form a cooling structure mounting space. As shown in FIG. 1 and FIG. 2, the bottom end of the module body 1 is a second expansion end 12, and the second expansion end 12 is similar in structure to the first expansion end 11, wherein, as shown in FIG. The cooling structure installation space formed by recessing the second expansion area 122 may be used to install a cooling structure such as the cooling tube 4 to achieve cooling of the battery module 100, and the area where the cooling tube 4 is not installed is outwardly convex to form a first The second expansion area 122 realizes an increase in the overall volume and achieves expansion.
另外，所述电池模组100包括用于容纳所述模组主体1的箱体，所述箱体包括上盖82和下盖81，其中两个极柱3从所述上盖82穿出。如图7所示，所述箱体包括可以彼此扣合的上盖82和下盖81，上盖82和下盖81组成容纳模组主体1的空间，上盖82可以覆盖在第一扩容端11上，其中两个极柱3穿过上盖82设置，可以与外部用电设备电连接，其他的极柱3可以通过连接板5串联或并联，将多个电池单元2形成统一的供电体。In addition, the battery module 100 includes a case for accommodating the module body 1, and the case includes an upper cover 82 and a lower cover 81, and two poles 3 are passed out from the upper cover 82. As shown in FIG. 7, the box body includes an upper cover 82 and a lower cover 81 that can be engaged with each other. The upper cover 82 and the lower cover 81 constitute a space for accommodating the module body 1. The upper cover 82 can cover the first expansion end. 11 , wherein two poles 3 are disposed through the upper cover 82 and can be electrically connected to an external electrical device, and the other poles 3 can be connected in series or in parallel through the connecting plate 5 to form a unified power supply body of the plurality of battery cells 2 . .
一些实施例中，所述上盖82的顶面设置有凹陷区，所述极柱3穿出所述凹陷区设置。如图1所示，极柱3的高度大致与第一扩容区111的高度相同，因此，需要在上盖82上设置凹陷区，才能使得极柱3能够从上盖82上穿过。In some embodiments, the top surface of the upper cover 82 is provided with a recessed area, and the pole 3 is disposed through the recessed area. As shown in FIG. 1, the height of the pole 3 is substantially the same as the height of the first expansion zone 111. Therefore, it is necessary to provide a recessed area on the upper cover 82 so that the pole 3 can pass through the upper cover 82.
一些实施例中，所述电池模组100包括多个结构相同的电池单元2，每个所述电池单元2设置有所述极柱安装区112的一部分以及所述第一扩容区111的一部分。如图1和图8所示，模组主体1由多个电池单元2组成，相应地，极柱安装区112和第一扩容区111均由电池单元2拼接形成，每个电池单元2包括设置有部分的第一扩容端11，并设置有部分的极柱安装区112和第一扩容区111，每个电池单元2通过对极柱安装区112之外的区域进行扩容设计，实现扩容。In some embodiments, the battery module 100 includes a plurality of identically configured battery cells 2, each of which is provided with a portion of the pole mounting region 112 and a portion of the first expansion region 111. As shown in FIG. 1 and FIG. 8, the module body 1 is composed of a plurality of battery cells 2. Correspondingly, the pole mounting region 112 and the first expansion region 111 are each formed by splicing the battery cells 2, and each of the battery cells 2 includes a setting. There is a portion of the first expansion end 11 and a portion of the pole mounting area 112 and the first expansion area 111. Each battery unit 2 is expanded by designing a region other than the pole mounting area 112.
另外，如图9所示，本申请还提供了一种汽车200，其中，所述汽车200包括至少一个以上方案所述的电池模组100。In addition, as shown in FIG. 9, the present application further provides an automobile 200, wherein the automobile 200 includes at least one battery module 100 according to the above aspect.
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the indications of "radial", "circumferential", etc., is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present application and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is therefore not to be construed as limiting.
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is two or more unless specifically and specifically defined.
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机 械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。In the present application, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless otherwise explicitly stated and defined. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood on a case-by-case basis.
在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。In the present application, the first feature "on" or "below" the second feature may be the direct contact of the first and second features, or the first and second features are indirectly through the intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the application. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.
尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。While the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the present application. The embodiments are subject to variations, modifications, substitutions and variations.

Claims (11)

  1. 一种电池模组(100)，其特征在于，所述电池模组(100)包括模组主体(1)、极柱(3)和采样单元，所述模组主体(1)包括第一扩容端(11)，所述第一扩容端(11)设置有极柱安装区(112)和相对于极柱安装区(112)凸出的第一扩容区(111)，所述极柱安装区(112)相对于所述第一扩容区(111)凹陷而形成极柱安装空间，所述极柱(3)至少部分位于所述极柱安装空间中，所述采样单元连接于所述极柱(3)。A battery module (100), characterized in that the battery module (100) comprises a module body (1), a pole (3) and a sampling unit, and the module body (1) comprises a first expansion The first expansion end (11) is provided with a pole mounting area (112) and a first expansion area (111) protruding relative to the pole mounting area (112), the pole mounting area (112) forming a pole mounting space with respect to the first expansion area (111), the pole (3) is at least partially located in the pole mounting space, and the sampling unit is connected to the pole (3).
  2. 根据权利要求1所述的电池模组(100)，其特征在于，所述采样单元包括柔性电路板(7)、采样端子(6)，所述采样端子(6)连接所述柔性电路板(7)和所述极柱(3)。The battery module (100) according to claim 1, wherein the sampling unit comprises a flexible circuit board (7), a sampling terminal (6), and the sampling terminal (6) is connected to the flexible circuit board ( 7) and the pole (3).
  3. 根据权利要求2所述的电池模组(100)，其特征在于，所述电池模组(100)包括连接板(5)，每个所述连接板(5)连接相邻的两个所述极柱(3)，所述采样端子(6)连接于所述连接板(5)。The battery module (100) according to claim 2, wherein the battery module (100) comprises a connecting plate (5), each of the connecting plates (5) connecting two adjacent ones The pole (3), the sampling terminal (6) is connected to the connecting plate (5).
  4. 根据权利要求3所述的电池模组(100)，其特征在于，所述第一扩容端(11)设置有两个彼此平行的所述极柱安装区(112)，所述第一扩容区(111)设置在两个所述极柱安装区(112)之间。The battery module (100) according to claim 3, wherein the first expansion end (11) is provided with two pole mounting regions (112) parallel to each other, the first expansion region (111) is disposed between the two pole mounting regions (112).
  5. 根据权利要求4所述的电池模组(100)，其特征在于，所述电池模组(100)包括沿所述极柱安装区(112)的长度方向排列的多个极柱(3)。The battery module (100) according to claim 4, wherein the battery module (100) comprises a plurality of poles (3) arranged along a length direction of the pole mounting region (112).
  6. 根据权利要求5所述的电池模组(100)，其特征在于，所述柔性电路板(7)贴合设置在所述扩容区(111)并且沿所述极柱安装区(112)的长度方向延伸。The battery module (100) according to claim 5, wherein the flexible circuit board (7) is fitted to the expansion area (111) and along the length of the pole mounting area (112) The direction extends.
  7. 根据权利要求1-6中任意一项所述的电池模组(100)，其特征在于，所述模组主体(1)包括第二扩容端(12)，所述第二扩容端(12)设置有冷却结构安装区(121)和相对于所述冷却结构安装区(121)凸出的第二扩容区(122)，所述冷却结构安装区(121)相对于所述第二扩容区(122)凹陷而形成冷却结构安装空间。The battery module (100) according to any one of claims 1 to 6, wherein the module body (1) comprises a second expansion end (12), and the second expansion end (12) Provided with a cooling structure mounting area (121) and a second expansion area (122) protruding relative to the cooling structure mounting area (121), the cooling structure mounting area (121) being opposite to the second expansion area ( 122) recessed to form a cooling structure installation space.
  8. 根据权利要求7所述的电池模组(100)，其特征在于，所述电池模组(100)包括用于容纳所述模组主体(1)的箱体，所述箱体包括上盖(82)和下盖(81)，其中两个极柱(3)从所述上盖(82)穿出。The battery module (100) according to claim 7, wherein the battery module (100) comprises a case for accommodating the module body (1), and the case comprises an upper cover ( 82) and a lower cover (81), wherein the two poles (3) pass through the upper cover (82).
  9. 根据权利要求8所述的电池模组(100)，其特征在于，所述上盖(82)的顶面设置有凹陷区，所述极柱(3)穿出所述凹陷区设置。The battery module (100) according to claim 8, characterized in that the top surface of the upper cover (82) is provided with a recessed area, and the pole (3) is disposed through the recessed area.
  10. 根据权利要求1-9中任意一项所述的电池模组(100)，其特征在于，所述电池模组(100)包括多个结构相同的电池单元(2)，每个所述电池单元(2)设置有所述极柱安装区(112)的一部分以及所述第一扩容区(111)的一部分。The battery module (100) according to any one of claims 1 to 9, wherein the battery module (100) comprises a plurality of identically configured battery cells (2), each of the battery cells (2) A portion of the pole mounting area (112) and a portion of the first expansion area (111) are provided.
  11. 一种汽车(200)，其特征在于，所述汽车(200)包括至少一个权利要求1-10中任意一项所述的电池模组(100)。A vehicle (200), characterized in that the vehicle (200) comprises at least one battery module (100) according to any one of claims 1-10.
PCT/CN2019/070632 2018-01-08 2019-01-07 Battery module and automobile WO2019134699A1 (en)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
CN201810016520.X 2018-01-08
CN201810015506.8 2018-01-08
CN201810016052 2018-01-08
CN201810015506 2018-01-08
CN201810016056.4 2018-01-08
CN201810015504.9 2018-01-08
CN201810016056 2018-01-08
CN201810016052.6 2018-01-08
CN201810016520 2018-01-08
CN201810015502.X 2018-01-08
CN201810015503.4 2018-01-08
CN201810016060 2018-01-08
CN201810015502 2018-01-08
CN201810015503 2018-01-08
CN201810016060.0 2018-01-08
CN201810015504 2018-01-08
CN201810474865.X 2018-05-17
CN201810474865.XA CN110021721B (en) 2018-01-08 2018-05-17 Battery module and car

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