CN217740732U - A battery pack and electrical equipment - Google Patents
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- CN217740732U CN217740732U CN202220220865.9U CN202220220865U CN217740732U CN 217740732 U CN217740732 U CN 217740732U CN 202220220865 U CN202220220865 U CN 202220220865U CN 217740732 U CN217740732 U CN 217740732U
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- 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
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Abstract
本申请实施例涉及电池装置技术领域,特别公开了一种电池组和用电设备,包括:电芯组件、连接组件和壳体。电芯组件至少部分设于壳体内,电芯组件包括多个电芯,多个电芯之间电连接,电芯包括电芯壳体、电极组件和电极,电极连接于电极组件,电极包括极性相反的第一电极和第二电极,连接组件与电芯组件电连接,采用组件包括第一绝缘件、第二绝缘件和导电件,沿第一方向,导电件至少部分位于第一绝缘件和第二绝缘件之间,第一绝缘件设有第一开口,壳体包括第一壁和第一通孔,第一通孔贯穿第一壁,沿第一方向,第一开口的投影、导电件的投影、第一通孔的投影以及第二电极的投影有重叠。通过上述方式,本申请实施例有利于对电芯采样,节省空间。
The embodiments of the present application relate to the technical field of battery devices, and particularly disclose a battery pack and electrical equipment, including: a battery cell assembly, a connecting assembly, and a housing. The cell assembly is at least partially arranged in the housing, the cell assembly includes a plurality of cells, and the plurality of cells are electrically connected, the cell includes a cell shell, an electrode assembly and an electrode, the electrode is connected to the electrode assembly, and the electrode includes an electrode assembly. The first electrode and the second electrode are opposite in nature, and the connection assembly is electrically connected to the cell assembly. The adopted assembly includes a first insulating member, a second insulating member and a conductive member. Along the first direction, the conductive member is at least partially located on the first insulating member. and the second insulating member, the first insulating member is provided with a first opening, the housing includes a first wall and a first through hole, the first through hole penetrates through the first wall, along the first direction, the projection of the first opening, The projection of the conductive member, the projection of the first through hole and the projection of the second electrode overlap. In the above manner, the embodiment of the present application is conducive to sampling the battery cells and saves space.
Description
技术领域technical field
本申请实施例涉及电池装置技术领域,特别是涉及一种电池组和用电设备。The embodiments of the present application relate to the technical field of battery devices, and in particular, to a battery pack and electrical equipment.
背景技术Background technique
目前动力锂电池行业发展非常迅速,其应用已经扩展到了电动大巴、电动小汽车、微公交和储能等用电设备领域。其中,为保证电池组正常安全使用,常需要设置连接组件对电池组的电芯电压进行收集、采样和传导,现有技术常用数量较多的采样线进行采样,占据较多电池组内部空间。At present, the power lithium battery industry is developing very rapidly, and its application has been extended to electric buses, electric cars, micro-buses and energy storage and other electrical equipment fields. Among them, in order to ensure the normal and safe use of the battery pack, it is often necessary to set up connecting components to collect, sample and conduct the cell voltage of the battery pack. In the prior art, a large number of sampling lines are commonly used for sampling, which occupies more internal space of the battery pack.
实用新型内容Utility model content
鉴于上述问题,本申请实施例提供了一种电池组和用电设备,改善了因采样线数量较多而占据电池组内部空间等问题。In view of the above problems, the embodiments of the present application provide a battery pack and an electrical device, which solve the problem of occupying the internal space of the battery pack due to a large number of sampling lines.
根据本申请实施例的一个方面,提供了一种电池组,该电池组包括壳体、电芯组件和连接组件。其中,所述电芯组件包括多个电芯,所述多个电芯之间电连接,所述电芯包括电芯壳体、电极组件和电极,所述电极连接于所述电极组件,所述电极包括极性相反的第一电极和第二电极,所述连接组件与所述电芯组件电连接,所述连接组件包括第一绝缘件、第二绝缘件和导电件,沿第一方向,所述导电件至少部分位于所述第一绝缘件和所述第二绝缘件之间,所述第一绝缘件设有第一开口,壳体设有第一空间,所述电芯组件至少部分位于所述第一空间,所述壳体包括第一壁和第一通孔,所述第一通孔贯穿所述第一壁,沿所述第一方向观察,所述第二电极至少部分位于所述第一通孔内,沿第一方向,所述导电件位于所述连接部和所述第一绝缘件之间,且沿第一方向,所述第一开口的投影、所述导电件的投影、所述第一通孔的投影以及所述第二电极的投影有重叠。可利用所述导电件对对应位置的电芯进行采样,减少对电池组内部空间的占据。According to an aspect of the embodiments of the present application, a battery pack is provided, and the battery pack includes a case, a cell assembly, and a connection assembly. Wherein, the battery cell assembly includes a plurality of battery cells, and the multiple battery cells are electrically connected, and the battery cell includes a battery cell housing, an electrode assembly, and an electrode, and the electrode is connected to the electrode assembly, so The electrodes include a first electrode and a second electrode with opposite polarities, the connection assembly is electrically connected to the cell assembly, and the connection assembly includes a first insulating member, a second insulating member and a conductive member, along the first direction , the conductive member is at least partially located between the first insulating member and the second insulating member, the first insulating member is provided with a first opening, the housing is provided with a first space, and the cell assembly is at least Partially located in the first space, the housing includes a first wall and a first through hole, the first through hole passes through the first wall, viewed along the first direction, the second electrode is at least partially Located in the first through hole, along the first direction, the conductive member is located between the connecting portion and the first insulating member, and along the first direction, the projection of the first opening, the conductive The projection of the component, the projection of the first through hole and the projection of the second electrode overlap. The electric cells at the corresponding positions can be sampled by using the conductive member, so as to reduce the occupation of the internal space of the battery pack.
在一种可选的方式中,所述第一电极包括第一连接部,所述第二电极包括第二连接部,所述第一连接部和第二连接部分别位于所述电芯的相对两端,所述第一连接部突出所述电芯壳体,或者,所述第一连接部和所述第二连接部位于所述电芯的同一端,沿与所述第一方向相反方向,所述第一连接部突出所述第二连接部。In an optional manner, the first electrode includes a first connection portion, the second electrode includes a second connection portion, and the first connection portion and the second connection portion are respectively located on opposite sides of the battery cell. At both ends, the first connecting portion protrudes from the cell casing, or the first connecting portion and the second connecting portion are located at the same end of the cell, in a direction opposite to the first direction , the first connecting portion protrudes from the second connecting portion.
在一种可选的方式中,沿第一方向,所述第二连接部的投影环绕设置于所述第一连接部的投影的外侧。In an optional manner, along the first direction, the projection of the second connection part is arranged around the outside of the projection of the first connection part.
在一种可选的方式中,所述导电件连接于所述第二连接部。In an optional manner, the conductive element is connected to the second connecting portion.
在一种可选的方式中,所述电池组包括多个汇流排,所述汇流排设于所述第一壁远离所述电芯组件的一侧,,一所述汇流排与所述相邻电芯的第一电极和/或第二电极连接。所述汇流排用于连接相邻两个电芯。In an optional manner, the battery pack includes a plurality of busbars, the busbars are arranged on the side of the first wall away from the battery cell assembly, and one of the busbars is connected to the corresponding The first electrode and/or the second electrode of the adjacent cell are connected. The bus bar is used to connect two adjacent battery cells.
在一种可选的方式中,至少一个所述汇流排与所述第一电极和第二电极的连接方式包括以下之一:a)一所述汇流排与一电芯的第一电极连接,并与相邻的另一电芯的第一电极连接,b)一所述汇流排与一电芯的第二电极连接,并与相邻的另一电芯的第二电极连接,c)一所述汇流排与一电芯的第一电极连接,并与相邻的另一电芯的第二电极连接,d)一所述汇流排与一电芯的第二电极连接,并与相邻的另一电芯的第一电极连接。In an optional manner, the manner of connecting at least one bus bar to the first electrode and the second electrode includes one of the following: a) the bus bar is connected to the first electrode of a cell, And be connected with the first electrode of another electric core adjacent, b) one said bus bar is connected with the second electrode of one electric core, and be connected with the second electrode of another electric core adjacent, c) one The bus bar is connected to the first electrode of one cell, and is connected to the second electrode of another adjacent cell, d) the bus bar is connected to the second electrode of one cell, and is connected to the adjacent connected to the first electrode of the other cell.
在一种可选的方式中,所述第一壁设有第二通孔,沿第一方向观察,所述第一连接部至少部分位于所述第二通孔内。所述第二通孔便于汇流排与电芯组件之间电连接。In an optional manner, the first wall is provided with a second through hole, and viewed along the first direction, the first connecting portion is at least partially located in the second through hole. The second through hole facilitates the electrical connection between the bus bar and the cell assembly.
在一种可选的方式中,所述第二连接部包括第一区域,所述第一壁设有第三通孔,沿第一方向观察,所述第一区域至少部分位于所述第三通孔内,相邻设置的两个电芯中,一所述汇流排的一端连接于其中一个电芯的第一连接部,另一端连接于另一个电芯的所述第一区域。In an optional manner, the second connecting portion includes a first region, the first wall is provided with a third through hole, and viewed along the first direction, the first region is at least partially located in the third through hole. In the through hole, among the two adjacent battery cells, one end of the bus bar is connected to the first connection portion of one of the battery cells, and the other end is connected to the first region of the other battery cell.
在一种可选的方式中,沿所述第一方向观察,所述第一区域位于所述第三通孔内。In an optional manner, viewed along the first direction, the first region is located in the third through hole.
在一种可选的方式中,所述第二连接部包括第二区域,相邻设置的两个电芯中,一所述电芯的第二区域位于该电芯的第一连接部和另一电芯的第一区域之间,沿所述第一方向观察,所述第一壁覆盖一所述电芯的第二区域。In an optional manner, the second connecting portion includes a second area, and among two adjacently arranged electric cores, the second area of one electric core is located between the first connecting portion of the electric core and the second area of the other electric core. Between the first regions of a cell, viewed along the first direction, the first wall covers a second region of the cell.
在一种可选的方式中,所述第一壁包括第一部分和第二部分,所述第一通孔位于所述第一部分,所述第二通孔和所述第三通孔位于所述第二部分,沿与所述第一方向相反方向,所述第二部分突出所述第一部分。In an optional manner, the first wall includes a first part and a second part, the first through hole is located in the first part, and the second through hole and the third through hole are located in the A second portion protruding from the first portion in a direction opposite to the first direction.
在一种可选的方式中,所述连接组件设于所述第一部分。In an optional manner, the connecting component is arranged on the first part.
在一种可选的方式中,所述连接组件设置有连接开口,所述第一部分设置有第一凸部,所述第一凸部位于所述连接开口内。所述连接开口与所述第一凸部连接,从而限制所述连接组件相对于壳体移动。In an optional manner, the connection assembly is provided with a connection opening, the first part is provided with a first protrusion, and the first protrusion is located in the connection opening. The connection opening is connected with the first protrusion, thereby restricting the movement of the connection assembly relative to the housing.
在一种可选的方式中,所述导电件包括多个导电金属件,所述多个导电金属件沿第二方向依次间隔设置,沿第三方向,所述导电金属件的长度依次减小,其中,所述第三方向垂直于所述第一方向和所述第二方向。In an optional manner, the conductive part includes a plurality of conductive metal parts, and the plurality of conductive metal parts are sequentially arranged at intervals along the second direction, and along the third direction, the lengths of the conductive metal parts decrease successively , wherein the third direction is perpendicular to the first direction and the second direction.
在一种可选的方式中,所述导电件包括多个导电金属件,所述多个导电金属件沿第二方向依次间隔设置,所述每个导电金属件包括相离的第一区段和第二区段,所述第一区段连接于所述连接部,所述第二区段与所述电芯组件未电连接。In an optional manner, the conductive member includes a plurality of conductive metal members, the plurality of conductive metal members are sequentially arranged at intervals along the second direction, and each of the conductive metal members includes a first segment that is separated from each other. and a second section, the first section is connected to the connecting portion, and the second section is not electrically connected to the cell assembly.
在一种可选的方式中,所述电池组包括电路板,所述电路板设置于所述第一空间内,所述导电件的一端连接于所述连接部,所述导电件的另一端连接于所述电路板。所述电路板可用于稳定电池组的电压,保护电池组正常工作。In an optional manner, the battery pack includes a circuit board, the circuit board is arranged in the first space, one end of the conductive member is connected to the connecting portion, and the other end of the conductive member connected to the circuit board. The circuit board can be used to stabilize the voltage of the battery pack and protect the normal operation of the battery pack.
在一种可选的方式中,所述电路板包括Battery Management System(BMS)板,所述BMS板可用于对电芯进行充电和放电控制。In an optional manner, the circuit board includes a Battery Management System (BMS) board, and the BMS board can be used to control charging and discharging of the battery cells.
在一种可选的方式中,所述壳体包括贯穿所述第一壁的第四通孔,所述导电件的另一端穿过所述第四通孔连接于所述电路板。所述第四通孔便于所述连接组件与所述电路板连接。In an optional manner, the housing includes a fourth through hole penetrating through the first wall, and the other end of the conductive member is connected to the circuit board through the fourth through hole. The fourth through hole facilitates the connection between the connecting component and the circuit board.
在一种可选的方式中,沿所述第一方向,所述电路板的投影和所述电芯的投影相离。In an optional manner, along the first direction, the projection of the circuit board is separated from the projection of the electric core.
在一种可选的方式中,所述多个电芯沿第三方向依次排列设置,沿所述第三方向,所述电路板的投影和所述电芯的投影有重叠。In an optional manner, the plurality of electric cells are arranged in sequence along a third direction, and along the third direction, projections of the circuit board and projections of the electric cores overlap.
在一种可选的方式中,沿所述第一方向,所述第一绝缘件较所述第二绝缘件靠近所述第一壁。In an optional manner, along the first direction, the first insulating member is closer to the first wall than the second insulating member.
在一种可选的方式中,所述第一壁包括设于相邻的所述第三通孔和所述第二通孔之间的分隔部,沿第三方向,所述第三通孔、所述分隔部和所述第二通孔依次设置,所述第三方向垂直于所述第一方向。In an optional manner, the first wall includes a partition provided between the adjacent third through hole and the second through hole, and along the third direction, the third through hole , the partition and the second through hole are arranged in sequence, and the third direction is perpendicular to the first direction.
在一种可选的方式中,所述电池组还包括第三绝缘件,所述第三绝缘件设于所述壳体的外表面,所述第三绝缘件覆盖所述汇流排和连接组件。In an optional manner, the battery pack further includes a third insulator, the third insulator is provided on the outer surface of the casing, and the third insulator covers the bus bar and the connection assembly .
在一种可选的方式中,所述第二绝缘件设有第二开口,沿所述第一方向,所述第一开口的投影、所述第二开口的投影、所述导电件的投影、所述第一通孔的投影、所述第一电极/第二电极的投影有重叠。In an optional manner, the second insulating member is provided with a second opening, and along the first direction, the projection of the first opening, the projection of the second opening, and the projection of the conductive member , the projection of the first through hole and the projection of the first electrode/the second electrode overlap.
在一种可选的方式中,所述连接组件用于采集所述电芯的电压、电流或温度中的至少一种。In an optional manner, the connecting component is used to collect at least one of voltage, current or temperature of the battery core.
根据本申请实施例的另一个方面,提供了一种用电设备,该用电设备包括如上所述的电池组。According to another aspect of the embodiments of the present application, an electric device is provided, the electric device includes the above-mentioned battery pack.
本申请实施例设置有电芯组件、连接组件和壳体。其中,所述电芯组件包括多个电芯,所述多个电芯之间电连接,所述电芯包括电芯壳体、电极组件和电极,所述电极连接于所述电极组件并延伸出所述电芯壳体,所述电极包括极性相反的第一电极和第二电极,所述连接组件与所述电芯组件电连接,所述连接组件包括第一绝缘件、第二绝缘件和导电件,沿第一方向,所述导电件至少部分位于所述第一绝缘件和第二绝缘件之间,所述第一绝缘件设有第一开口,所述壳体设有第一空间,所述电芯组件至少部分位于所述第一空间,所述壳体包括第一壁和第一通孔,所述第一通孔贯穿所述第一壁,沿所述第一方向观察,所述第二电极至少部分位于所述第一通孔内,此外,沿第一方向,所述导电件位于所述第二电极和所述第一绝缘件之间,且沿第一方向,所述第一开口的投影、所述导电件的投影、所述第一通孔的投影以及所述第二电极的投影有重叠,可利用所述导电件对电芯进行采样,减少对电池组内部空间的占据。The embodiment of the present application is provided with a cell assembly, a connection assembly and a casing. Wherein, the cell assembly includes a plurality of cells electrically connected to each other, and the cell includes a cell casing, an electrode assembly and an electrode, and the electrode is connected to the electrode assembly and extends out of the cell casing, the electrodes include a first electrode and a second electrode with opposite polarities, the connection assembly is electrically connected to the cell assembly, and the connection assembly includes a first insulator, a second insulator Along the first direction, the conductive part is at least partly located between the first insulating part and the second insulating part, the first insulating part is provided with a first opening, and the housing is provided with a first a space, the cell assembly is at least partly located in the first space, the housing includes a first wall and a first through hole, the first through hole passes through the first wall, along the first direction Observe that the second electrode is at least partially located in the first through hole, and in addition, along the first direction, the conductive member is located between the second electrode and the first insulating member, and along the first direction , the projection of the first opening, the projection of the conductive member, the projection of the first through hole and the projection of the second electrode overlap, and the conductive member can be used to sample the battery cell, reducing the need for battery The occupancy of the internal space of the group.
附图说明Description of drawings
为了更清楚地说明本申请具体实施例或现有技术中的技术方案,下面将对具体实施例或现有技术描述中所需要使用的附图作简单地介绍。在所有附图中,类似的元件或部分一般由类似的附图标记标识。附图中,各元件或部分并不一定按照实际的比例绘制。In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific embodiments or the prior art. Throughout the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, elements or parts are not necessarily drawn in actual scale.
图1是本申请实施例电池组的组装结构示意图;Fig. 1 is a schematic diagram of the assembly structure of the battery pack of the embodiment of the present application;
图2是本申请实施例电池组的部分结构爆炸示意图;Fig. 2 is an exploded schematic diagram of a part of the structure of the battery pack of the embodiment of the present application;
图3是本申请实施例电池组的部分结构爆炸示意图;Fig. 3 is an exploded schematic diagram of a part of the structure of the battery pack in the embodiment of the present application;
图4是本申请实施例电池组的壳体结构爆炸示意图;Fig. 4 is a schematic exploded view of the casing structure of the battery pack in the embodiment of the present application;
图5是本申请实施例电池组的部分结构组装示意图;Fig. 5 is a partial structural assembly schematic diagram of the battery pack of the embodiment of the present application;
图6是本申请实施例电池组的第一壳体的部分剖视图;Fig. 6 is a partial cross-sectional view of the first casing of the battery pack according to the embodiment of the present application;
图7是本申请实施例电池组的第一壳体的一角度示意图;Fig. 7 is a perspective view of the first casing of the battery pack according to the embodiment of the present application;
图8是本申请实施例电池组的部分结构组装示意图;Fig. 8 is a schematic diagram of a partial structural assembly of a battery pack according to an embodiment of the present application;
图9是本申请实施例电池组的部分结构组装示意图;Fig. 9 is a schematic diagram of the partial structure assembly of the battery pack of the embodiment of the present application;
图10是本申请实施例电池组的第二壳体的部分剖视图;Fig. 10 is a partial cross-sectional view of the second casing of the battery pack according to the embodiment of the present application;
图11是本申请实施例电池组的部分结构组装示意图;Fig. 11 is a schematic diagram of the partial structure assembly of the battery pack of the embodiment of the present application;
图12是本申请实施例电池组的电芯内部结构一角度示意图;Fig. 12 is a perspective view of the internal structure of the cell of the battery pack of the embodiment of the present application;
图13是本申请实施例电池组的又一部分结构组装示意图;Fig. 13 is a schematic assembly diagram of another part of the battery pack in the embodiment of the present application;
图14是本申请实施例电池组的单个电芯结构示意图;Fig. 14 is a schematic structural view of a single cell of the battery pack of the embodiment of the present application;
图15是本申请实施例电池组的又一部分结构组装示意图;Fig. 15 is a schematic diagram of another part of the structural assembly of the battery pack in the embodiment of the present application;
图16是本申请电池组的又一实施例电池组的连接组件爆炸示意图;Fig. 16 is an exploded schematic diagram of the connecting components of the battery pack in another embodiment of the battery pack of the present application;
图17是本申请电池组的另一实施例的连接组件的爆炸示意图;Fig. 17 is an exploded schematic diagram of the connection assembly of another embodiment of the battery pack of the present application;
图18是本申请实施例电池组的又一部分结构爆炸示意图;Fig. 18 is an exploded schematic diagram of another part of the structure of the battery pack in the embodiment of the present application;
图19是本申请实施例电池组的电路板和连接组件组装示意图;Fig. 19 is a schematic diagram of the assembly of the circuit board and connecting components of the battery pack according to the embodiment of the present application;
图20是本申请实施例电池组的组装工序流程图。Fig. 20 is a flow chart of the assembly process of the battery pack in the embodiment of the present application.
具体实施方式Detailed ways
为了便于理解本申请,下面结合附图和具体实施例,对本申请进行更详细的说明。需要说明的是,当元件被表述“固定于”另一个元件,它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件,它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is said to be "fixed" to another element, it may be directly on the other element, or there may be one or more intervening elements therebetween. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions are used in this specification for the purpose of description only.
除非另有定义,本说明书所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本说明书中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的,不是用于限制本申请。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the technical field of this application. The terms used in the description of the present application are only for the purpose of describing specific embodiments, and are not used to limit the present application. The term "and/or" used in this specification includes any and all combinations of one or more of the associated listed items.
下面所描述的本申请各个实施例中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。The technical features involved in the various embodiments of the present application described below may be combined as long as they do not constitute conflicts with each other.
为了更好的对电池组的结构进行说明,将结合X、Y、Z坐标轴对电池组的结构进行叙述,其中,X、Y、Z坐标轴两两垂直,第一方向为X轴的正方向,第二方向为Y轴的正方向,第三方向为Z轴的正方向。In order to better explain the structure of the battery pack, the structure of the battery pack will be described in conjunction with the X, Y, and Z coordinate axes, where the X, Y, and Z coordinate axes are perpendicular to each other, and the first direction is the positive direction of the X axis. direction, the second direction is the positive direction of the Y axis, and the third direction is the positive direction of the Z axis.
请参阅图1和图2,电池组01包括壳体10、电芯组件20和连接组件30。其中,所述电芯组件20至少部分设置于所述壳体10内,所述连接组件30与所述电芯组件20连接。所述连接组件30用于对电芯组件20中的电芯的电压、电流或温度中的至少一种进行收集、采样和传输。Referring to FIG. 1 and FIG. 2 , the
电池组还包括多个汇流排40、电路板50、第一导电片60、第二导电片70。所述汇流排40设置于所述壳体10的外侧壁,所述汇流排40与所述电芯组件20电连接,所述电路板50设置于所述壳体10内,所述电路板50可利用所述第一导电片60和第二导电片70与所述电芯组件20电连接。The battery pack also includes a plurality of bus bars 40 , a
电池组还包括第三绝缘件80,所述第三绝缘件80盖设于所述壳体10的外表面。所述第三绝缘件80可用于对所述壳体10起到密封作用,同时减少汇流排40和连接组件30与外界部件的接触。The battery pack further includes a third insulating
具体的,对于上述壳体10,如图3和图4所示,所述壳体10设置有第一空间(未标示),所述壳体10包括第一壳体11和第二壳体12,所述第一壳体11和第二壳体12固定,所述第一壳体11和所述第二壳体12围合形成所述第一空间。所述第一空间可用于收容上述电芯组件20。Specifically, for the
对于上述第一壳体11,如图4和图5所示,所述第一壳体11包括第一壁111,所述第一壁111设有第一通孔1111,所述第一通孔1111贯穿所述第一壁111,所述第一通孔1111便于上述电芯组件20与上述连接组件30连接。所述第一壳体11还包括相对设置的第三侧壁11b和第四侧壁11c、相对设置的第五侧壁11d和第六侧壁11e,其中,第二方向Y为第三侧壁11b和第四侧壁11c相对设置的方向,第三方向Z为第五侧壁11d和第六侧壁11e相对设置的方向。所述第三侧壁11b、第五侧壁11d、第四侧壁11c和第六侧壁11e依次连接且与所述第一壁111围合形成第一壳体空间11a。For the above-mentioned
在一些实施例中,所述第一壳体11设置有多个第一凹部113,所述多个第一凹部113连通于所述第一壳体空间11a,多个第一凹部113位于上述第一壁111靠近电芯组件20的一侧。每一所述第一凹部113用于放置电芯组件20的一电芯21的第一端,实现对一个电芯21的限位,降低电芯21在第一空间内与壳体10产生相对位移。In some embodiments, the
在一些实施例中,所述第一凹部113的形状不限于圆形状,也可以为其它形状,所述第一凹部113的形状可根据实际的电芯21的形状设定,例如:电芯21为长方体时,所述第一凹部113可设定为长方形。同时,所述第一凹部113不限定设于所述第一壳体空间11a内,所述第一凹部113可为一圆柱体或长方体的中空腔,所述圆柱体或长方体的一端固定于所述第一壳体空间11a的槽底,所述一圆柱体或长方体设于所述第一空间内,所述一圆柱体或长方体的中空腔可包裹或部分包裹一所述电芯21,可实现对所述电芯21的定位。In some embodiments, the shape of the first
在一些实施例中,所述电芯21包括圆柱电芯或方形电芯中的一种。In some embodiments, the
在一些实施例中,所述电芯21的第一端同时设置有正极和负极,即电芯21的正极和负极位于同一侧。In some embodiments, the first end of the
如图5和图6所示,在一些实施例中,第五侧壁11d的内侧设置有第一固定槽114以及连通所述第一固定槽114的第三开口114a,第三开口114a朝向第二壳体12设置,第三开口114a便于电路板50组装卡入第一固定槽114内。第一固定槽114用于将上述电路板50的一端限位于第一空间内。可选的,上述电路板50位于第一固定槽114内的部分可利用粘结剂固定,所述粘结剂可为胶水等。As shown in FIGS. 5 and 6 , in some embodiments, the inner side of the
在一些实施例中,所述第一壁111的内侧设置有第一卡槽115,所述第一卡槽115连通所述第一固定槽114,所述第一卡槽115用于更好的固定上述电路板50的一端。可以理解的是:所述第一卡槽115不限于与所述第一固定槽114连通,只要第一卡槽115能实现固定电路板50的一端即可。In some embodiments, the inner side of the
如图7-图9所示,在一些实施例中,所述第一壳体11设置有第二通孔1112,所述第二通孔1112贯穿所述第一壁111,所述第二通孔1112便于上述汇流排40与所述电芯组件20之间电连接。As shown in FIGS. 7-9 , in some embodiments, the
在一些实施例中,所述第一壳体11设置有第三通孔1113,所述第三通孔1113贯穿所述第一壁111,所述第三通孔1113便于上述汇流排40与所述电芯组件20之间电连接。In some embodiments, the
在一些实施例中,所述第一壁111包括第一部分111a和第二部分111b,所述第一通孔1111位于所述第一部分111a,所述第二通孔1112和所述第三通孔1113位于所述第二部分111b。可选的,沿与所述第一方向X相反方向,所述第二部分111b突出所述第一部分111a。In some embodiments, the
在一些实施例中,所述第一部分111a设置有第一凸部1114,所述第一凸部1114用于与所述连接组件30连接,限制所述连接组件30相对于所述第一壁111移动。In some embodiments, the
在一些实施例中,所述第一壳体11设置有第四通孔1115,所述第四通孔1115位于所述第一壁111,所述第四通孔1115贯穿所述第一壁111,所述第四通孔1115便于所述连接组件30与所述电路板50连接。In some embodiments, the
对于上述第二壳体12,如图3和图10所示,所述第二壳体12与所述第一壳体11固定。所述第二壳体12包括第二壁121和连接于所述第二壁121的多个第二侧壁122,所述第二壁121和所述第一壁111沿第一方向X相对设置。As for the above-mentioned
可以理解的是:所述第一壳体11与第二壳体12的固定方式可为利用胶层粘结固定,第一壳体11与第二壳体12的固定方式不限于利用胶层粘结固定,也可以为其他固定方式,例如:焊接、螺接等等。It can be understood that: the fixing method of the
在一些实施例中,如图10所示,所述第二壳体12设置有第二壳体空间12a,第二壳体空间12a用于收容所述多个电芯21,所述第二壳体空间12a与所述第一壳体空间11a共同形成所述第一空间。In some embodiments, as shown in FIG. 10, the
在一些实施例中,所述第二壳体12设置有多个第二凹部123,所述第二凹部123连通于所述第二壳体空间12a,一所述第二凹部123用于放置一所述电芯21的第二端,实现对一电芯21的限位设置,降低电芯21在第一空间内与壳体10产生相对位移。In some embodiments, the
在一些实施例中,其中一个所述第二侧壁122的内壁设置有第二固定槽124及连通所述第二固定槽124的第四开口124a。所述第四开口124a供电路板50的另一端卡入所述第二固定槽124内,第二固定槽124用于将电路板50的另一端限位于第一空间内。In some embodiments, the inner wall of one of the
在一些实施例中,所述第二壁121内侧设置有第二卡槽125,所述第二卡槽125连通所述第二固定槽124,所述第二卡槽125用于更好的固定电路板50的另一端。In some embodiments, a
在一些实施例中,如图3和图10所示,所述第二壳体12上设置有出线口126,所述出线口126便于电路板50上的导线伸出出线口126外接其它部件。可选的,第二壁上设有出线口126,所述出线口126邻近所述第二卡槽125和所述第二固定槽124,有利于线束从出线口126延伸出第二壳体12外。In some embodiments, as shown in FIG. 3 and FIG. 10 , the
对于上述电芯组件20,如图11和图12所示,所述电芯组件20至少部分位于所述第一空间,所述电芯组件20包括多个电芯21,多个电芯21之间电连接,所述电芯21包括电芯壳体211、电极组件212和电极213,所述电极213连接于所述电极组件212并延伸出所述电芯壳体211。所述电极213包括第一电极213a和第二电极213b。所述电极组件212包括第一极片2121、第二极片2122和设置于所述第一极片2121和第二极片2122之间的隔离膜2123,所述第一电极213a连接于所述第一极片2121,所述第二电极213b连接于所述第二电极213b。在一些实施例中,所述电芯壳体211可以作为两个电极中的一个,例如:所述电芯包括电芯壳体211和设于所述电芯壳体211外的正极电极,所述电芯壳体211包括导电材料,所述电芯壳体211可作为所述电芯21的负极电极。本实施例中,所述电芯壳体211作为两电极中的负极电极。可选的,所述多个电芯21沿所述第三方向Z排列设置。在一些实施例中,所述多个电芯21沿第三方向Z排列形成第一电芯组21a。For the above
在一些实施例中,请一并参阅图13和图14,沿所述第一方向X观察,所述第二电极213b至少部分位于所述第一通孔1111内,便于所述第二电极213b与所述连接组件30之间的连接。In some embodiments, please refer to FIG. 13 and FIG. 14 together. Viewed along the first direction X, the second electrode 213b is at least partially located in the first through
需要说明的是:所述第一电极213a和第二电极213b的正负极不作限定,第一电极213a可为正极或负极,所述第二电极213b可为负极或正极,只要满足第一电极213a和第二电极213b互为相反电极即可。It should be noted that: the positive and negative poles of the
在一些实施例中,所述第一电极213a包括第一连接部213aa,所述第二电极213b包括第二连接部213bb,所述第一连接部213aa和第二连接部213bb在所述电芯壳体211上的位置可不作具体限定,所述第一连接部213aa位于靠近所述连接组件30的一侧即可。例如:所述第一连接部213aa和第二连接部213bb可位于所述电芯壳体211上的相对端,或者,所述第一连接部213aa和第二连接部213bb可位于所述电芯壳体211的同一端。在本实施例中,所述第一连接部213aa和第二连接部213bb位于所述电芯的同一端。可选的,沿与所述第一方向X相反方向,所述第一连接部213aa突出所述第二连接部213bb。In some embodiments, the
在一些实施例中,沿所述第一方向X观察,所述第一连接部213aa至少部分位于所述第二通孔1112内,所述第二连接部213bb位于所述第一通孔1111内,便于与所述汇流排40电连接,相邻电芯21串联。In some embodiments, viewed along the first direction X, the first connecting portion 213aa is at least partially located in the second through
在一些实施例中,沿所述第一方向X观察,所述第一电极213a至少部分位于所述第一通孔1111内,所述第二电极213b至少部分位于所述第二通孔11112内,相邻电芯21通过汇流排40电连接。In some embodiments, viewed along the first direction X, the
在一些实施例中,沿所述第一方向X,所述第二连接部213bb的投影环绕设置于所述第一连接部213aa的投影的外侧。可选的,所述第一连接部213aa和所述第二连接部213bb之间设置有绝缘片214,所述绝缘片214呈环状。In some embodiments, along the first direction X, the projection of the second connecting portion 213bb is arranged around the outside of the projection of the first connecting portion 213aa. Optionally, an insulating
在一些实施例中,请一并参阅图15,所述第二连接部213bb包括第一区域213bb1和第二区域213bb2,沿所述第一方向X观察,所述第一区域213bb1位于所述第三通孔1113内。沿第三方向Z,所述第二区域213bb2位于所述第一区域213bb1和相邻电芯的第一连接部213aa之间,沿所述第一方向X观察,所述第一壁111覆盖所述第二区域213bb2,限制所述第二区域213bb2和相邻电芯的所述第一区域213bb1电连接,限制同一个电芯21的所述第二区域213bb2和第一连接部213aa电连接。相邻电芯在利用汇流排40进行电连接时,汇流排40的一端电连接于其中一个电芯的第一连接部213aa,汇流排的另一端电连接于其中另一个电芯的第一区域213bb1,从而实现相邻两个电芯之间的电连接。沿第一方向X观察,所述第一壁111包括设于相邻的所述第三通孔1113和所述第二通孔1112之间的分隔部1116,沿第三方向Z,所述第三通孔113、分隔部1116、所述第二通孔1112依次设置,所述分隔部1116可限制同一个电芯的第一连接部213aa和第二连接部213bb电连接,降低短路风险。In some embodiments, please refer to FIG. 15 , the second connecting portion 213bb includes a first region 213bb1 and a second region 213bb2, viewed along the first direction X, the first region 213bb1 is located at the second Inside the three through
对于上述连接组件30,如图8、图9和图16所示,所述连接组件30与所述电芯组件20电连接,所述连接组件30包括第一绝缘件301、第二绝缘件302和导电件303,沿第一方向X,所述导电件303至少部分位于所述第一绝缘件301和第二绝缘件302之间,所述第一绝缘件301较所述第二绝缘件302靠近第一壁111,可选的,所述第一绝缘件301较所述第二绝缘件302靠近第一壁111的第一部分111a。可选的,沿第一方向X,所述导电件303位于所述第二电极213b和所述第一绝缘件301之间。在一些实施例中,所述连接组件30设于所述第一壁111的第一部分111a。其他实施例中,所述第一绝缘件301和所述第二绝缘件302位置可以互换,比如,所述第二绝缘件302较所述第一绝缘件301靠近第一壁111。在一些实施例中,所述第一绝缘件301设有第一开口3011,且沿第一方向X,所述第一开口3011的投影、所述导电件303的投影、所述第一通孔1111的投影以及所述第二电极213b的投影有重叠,便于所述第二电极213b与所述导电件303之间的电连接,用户可通过所述第一开口3011的位置得知所进行采样的是具体哪一电芯21,从而降低错误判断。For the
在一些实施例中,所述第二绝缘件302设有第二开口3021,沿所述第一方向X,所述第一开口3011的投影、所述第二开口3021的投影、所述导电件303的投影、所述第一通孔1111的投影以及第二电极213b的投影有重叠,便于第二电极213b与所述导电件303之间的电连接,同时,降低利用连接组件30进行采样时出现错误判断,用户可通过所述第一开口3011以及所述第二开口3021的位置得知所进行采样的是具体哪一电芯,从而降低错误判断。In some embodiments, the second insulating
在一些实施例中,所述导电件303连接于所述第一连接部213aa或第二连接部213bb中的至少一个。可选的,所述导电件303与所述第一连接部213aa连接,可采集电芯21的信息,比如电压、电流等。可选的,可采集相邻两个电芯21的信息,比如电压、电流等。可选的,所述导电件303与所述第二连接部213bb连接,可采集电芯21的信息,比如电压、电流等。可选的,所述导电件303与所述第二连接部213bb连接,可采集相邻两个电芯21的信息,比如电压、电流等。本实施例中,所述导电件303与所述第二连接部213bb连接,所述导电件303可连接于所述第一区域213bb1和第二区域213bb2之外的其他区域,方便组装连接。In some embodiments, the
在一些实施例中,所述连接组件30设置有连接开口304,所述第一凸部1114位于所述连接开口304内,从而实现将连接组件30限定于所述第一壁111上,减少连接组件30的移动。可选的,上述连接开口304为一通孔或一盲孔或一凹部,其中,该通孔穿过该连接组件30,盲孔或凹部的开口方向均朝向上述第一凸部1114。In some embodiments, the
在一些实施例中,所述导电件303包括多个导电金属件3031,所述多个导电金属件3031沿所述第二方向Y依次间隔设置。可选的,沿所述第三方向Z,所述导电金属件3031的长度依次减小。In some embodiments, the
在一些实施例中,请一并参阅图17,所述每个导电金属件3031包括相离的第一区段3031a和第二区段3031b,所述第一区段3031a连接于所述第一电极213a/第二电极213b,所述第二区段3031b与所述电芯组件20未电连接。沿所述第三方向Z,所述导电金属件3031的长度基本相同,有利于组装制造。在一些实施例中,所述连接组件30包括柔性扁平线缆(FFC,Flexible Flat Cable),其中所述导电金属件3031可包括较薄的铜线,有利于降低所述导电金属件3031占用的空间。In some embodiments, please refer to FIG. 17 , each
在一些实施例中,所述多个导电金属件3031沿第二方向Y排列形成第一导电金属件组3031a,所述第一导电金属件组3031a连接于第一电芯组21a,请一并参阅图11,沿所述第二方向Y,所述第一导电金属件3031a设置有与上述电芯21电连接的第一连接点3031aa,且该第一连接点3031aa均位于靠近第一电极213a的同一侧,有利于组装制造。可选的,所述第一导电金属件3031a设置有与电芯21电连接的第一连接点3031aa均位于所述第一电极213a和所述汇流排40电连接区域的同一侧。沿所述第一方向X,部分所述导电金属件3031的投影和所述第一电极213a的投影有重叠,可通过第一绝缘件301、第二绝缘件302限制第一电极213a和所述导电金属件3031电连接。In some embodiments, the plurality of
本实施例中的连接组件30设置于所述第一壳体11上,可以理解的是,所述连接组件30的位置可不仅限设置于所述第一壳体11,且所述连接组件30的数量可根据实际情况进行选择,例如:所述连接组件30的数量可为2个,其中一个连接组件30设置于所述第一壳体11上,另一连接组件30设置于所述第二壳体12上,此时,第二壳体12的结构可根据所述第一壳体11的结构进行设置,此处不作一一赘述。The
对于上述多个汇流排40,如图13和图14所示,所述多个汇流排40设置于所述第一壁111,一所述汇流排40连接所述相邻电芯21的第一电极213a和/或第二电极213b。相邻电芯21之间可串联或并联,在相邻电芯21串联时,一所述汇流排40的一端与所述相邻电芯21中一电芯21的第一电极213a连接,一所述汇流排40的另一端与相邻电芯21中另一电芯21的第二电极213b连接。在相邻电芯21并联时,一所述汇流排40的一端与所述相邻电芯21中一电芯21的第一电极213a/第二电极213b连接,一所述汇流排40的另一端与相邻电芯21中另一电芯21第一电极213a/第二电极213b连接,可以理解的是,在相邻电芯21并联时,一所述汇流排40的两端连接的是相邻电芯21的同一电极,可同时为第一电极213a,或,同时为第二电极213b。可选的,所述汇流排40设于所述第一壁111远离所述电芯组件20的一侧。As for the plurality of bus bars 40 mentioned above, as shown in FIG. 13 and FIG.
在一些实施例中,相邻设置的两个电芯21中,一所述汇流排40的一端连接于其中一个电芯21的第一连接部213aa,一所述汇流排40的另一端连接于另一个电芯21所述第二连接部213bb。In some embodiments, among two
对于上述电路板50、第一导电片60和第二导电片70,如图18和图19所示,所述电路板50设置于所述第一空间内,所述第一导电片60的一端连接于所述电路板50,所述第一导电片60的另一端连接于所述电芯21的第一电极213a,所述第二导电片70的一端连接于所述电路板50,所述第二导电片70的另一端连接于所述电芯21的第二电极213b,从而实现所述电路板50与所述电芯组件20之间电连接。所述电路板50可用于稳定电池组的电压,保护电池组正常工作,同时,当所述电池组处于放电过程中时,所述连接组件30将检测到的电芯21电压等的信息传输给所述电路板50,当电池电量过低时,停止输出电量,对电池起到保护作用,当所述电池组处于充电过程中时,在电池充满电时,电路板50可自动断开充电电路避免电池过充而损坏。For the
在一些实施例中,所述电路板50包括Battery Management System(BMS)板,所述BMS板可用于对电芯21进行充电和放电控制。在一些实施例中,所述电路板50与所述连接组件30的一端连接,可选的,连接组件30的一端穿过所述第四通孔1115连接于所述电路板50。In some embodiments, the
在一些实施例中,沿所述第一方向X,所述电路板50的投影和所述电芯21的投影相离。可选的,沿所述第三方向Z,所述电路板50的投影和所述电芯21的投影有重叠。In some embodiments, along the first direction X, the projection of the
对于上述第三绝缘件80,如图18所示,所述第三绝缘件80盖设于所述第一壳体11背离所述电芯21的一表面,第三绝缘件80盖设于所述第一壳体11的第一壁111,所述第三绝缘件80覆盖所述汇流排40和连接组件30。所述第三绝缘件80可用于保护设于第一壁111的汇流排40和连接组件30,减少所述汇流排40和所述连接组件30与外界部件的接触,同时对电池组的第一壳体11一侧起到密封作用。As for the above-mentioned third insulating
可以理解的是:为减少汇流排40和连接组件30与外界部件的接触以及对电池组进行密封,不限于利用第三绝缘件80,也可以为其他方式,例如:往第一壁111增加树脂层,比如灌胶,利用凝固后的胶水对汇流排40和连接组件30进行保护,同时,电池组跌落至地面时,凝固后的胶水可起到缓冲作用,更有效的对汇流排40和连接组件30起到保护作用。It can be understood that: in order to reduce the contact between the
如图20所示,本实施例电池组的组装工序包括:As shown in Figure 20, the assembly process of the battery pack in this embodiment includes:
步骤S1:将所述电路板50和所述多个电芯21收容于第一壳体11和第二壳体12内;Step S1: accommodate the
步骤S2:将多个汇流排40和连接组件30安装于第一壳体11,将将多个汇流排40和连接组件30连接于电芯21;Step S2: Install
步骤S3:所述第一导电片60和第二导电片70从第一壳体11伸出,所述第一导电片60和第二导电片70连接于所述电芯21;Step S3: The first
步骤S4:将所述第三绝缘件80设于所述第一壳体11,以覆盖所述汇流排40和所述连接组件30。Step S4: disposing the
在一些实施例中,所述电池组组装工序还可以包括步骤S5:将流动树脂设于所述第一壳体11外后固定形成树脂层,所述树脂层用于将所述汇流排40、连接组件30和所述第一壳体11固定。In some embodiments, the battery pack assembly process may further include step S5: placing a flowing resin outside the
在一些实施例中,步骤S3中,第一导电片60和第二导电片70从第一壳体11伸出,伸出的第一导电片60方便后续工序中弯折处理,同时,可减少第一导电片60和第一壳体11的接触降低第一导电片60损坏。In some embodiments, in step S3, the first
以上所述仅为本申请的实施例,并非因此限制本申请的专利范围,凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本申请的专利保护范围内。The above is only an embodiment of the application, and does not limit the patent scope of the application. Any equivalent structure or equivalent process conversion made by using the specification and drawings of the application, or directly or indirectly used in other related technologies fields, are all included in the scope of patent protection of this application in the same way.
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CN116826292A (en) * | 2023-06-20 | 2023-09-29 | 深圳市华宝新能源股份有限公司 | Energy storage power supply |
WO2024260056A1 (en) * | 2023-06-20 | 2024-12-26 | 深圳市华宝新能源股份有限公司 | Energy storage power supply |
WO2025050875A1 (en) * | 2023-09-08 | 2025-03-13 | 蔚来汽车科技(安徽)有限公司 | Sampling device, battery management system and battery pack |
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CN116826292A (en) * | 2023-06-20 | 2023-09-29 | 深圳市华宝新能源股份有限公司 | Energy storage power supply |
WO2024260056A1 (en) * | 2023-06-20 | 2024-12-26 | 深圳市华宝新能源股份有限公司 | Energy storage power supply |
WO2025050875A1 (en) * | 2023-09-08 | 2025-03-13 | 蔚来汽车科技(安徽)有限公司 | Sampling device, battery management system and battery pack |
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