CN223651567U - Battery modules and energy storage systems - Google Patents
Battery modules and energy storage systemsInfo
- Publication number
- CN223651567U CN223651567U CN202422695608.2U CN202422695608U CN223651567U CN 223651567 U CN223651567 U CN 223651567U CN 202422695608 U CN202422695608 U CN 202422695608U CN 223651567 U CN223651567 U CN 223651567U
- Authority
- CN
- China
- Prior art keywords
- battery
- plug
- connector
- elastic part
- battery module
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
本申请公开一种电池模组和储能系统，电池模组包括电池箱、电芯组和导电组件，电芯组安装于电池箱内；导电组件，包括插接件和插接配合件，插接件安装于电池箱上，插接件具有第一连接部和第二连接部，第一连接部位于电池箱内，第二连接部延伸至电池箱外，插接配合件安装于电芯组上，插接配合件与电芯组的汇流排电连接，插接件与插接配合件对位设置，第一连接部与插接配合件插接，第二连接部用于与输出端子电连接。本申请中在电池箱与电芯组组装时即完了插接件与插接配合的插接装配，插接连接稳固性好，可靠性高，方便安装操作，且插接件延伸至电池箱外，方便与输出端子连接操作。
This application discloses a battery module and an energy storage system. The battery module includes a battery box, a cell assembly, and a conductive component. The cell assembly is installed inside the battery box. The conductive component includes a connector and a mating connector. The connector is installed on the battery box and has a first connecting portion and a second connecting portion. The first connecting portion is located inside the battery box, and the second connecting portion extends outside the battery box. The mating connector is installed on the cell assembly and is electrically connected to the busbar of the cell assembly. The connector and the mating connector are aligned and aligned. The first connecting portion is inserted into the mating connector, and the second connecting portion is used for electrical connection with the output terminal. In this application, the connector and mating connector are connected during the assembly of the battery box and the cell assembly, resulting in a stable and reliable connection, convenient installation and operation, and the connector extending outside the battery box facilitates connection to the output terminal.
Description
Technical Field
The application belongs to the technical field of batteries, and particularly relates to a battery module and an energy storage system.
Background
The battery module is formed by connecting a plurality of single batteries, namely electric cores in series and parallel, and finally forms an integral energy storage system by combining devices such as a battery management system and the like in series and parallel. The battery box body is provided with a positive electrode output terminal and a negative electrode output terminal for leading out current, the positive electrode output terminal is connected with a positive electrode bus bar of the battery module, and the negative electrode output terminal is connected with a negative electrode bus bar of the battery module. In the related art, after the connecting sheet passes through the battery box, the connecting sheet is fixedly connected with the positive bus bar and the negative bus bar through screw locking, the connecting sheet is difficult to pass through the box, the screw is easy to loose and fall off, and the connection reliability is poor.
Disclosure of utility model
The embodiment of the application provides a battery module and an energy storage system, which are used for solving the problems of high operation difficulty and poor connection reliability of the traditional output terminal which is locked and fixed with a bus bar screw of a battery pack through a connecting sheet.
In a first aspect, an embodiment of the present application provides a battery module, including:
A battery box;
The battery cell group is arranged in the battery box;
The conductive assembly comprises a plug connector and a plug connector matching piece, wherein the plug connector is installed on the battery box, the plug connector is provided with a first connecting part and a second connecting part, the first connecting part is positioned in the battery box, the second connecting part extends to the outside of the battery box, the plug connector matching piece is installed on the battery cell group, the plug connector matching piece is electrically connected with a busbar of the battery cell group, the plug connector matching piece is arranged in an alignment manner, the first connecting part is plugged with the plug connector matching piece, and the second connecting part is used for being electrically connected with an output terminal.
Optionally, the plug connector includes a first elastic portion and a second elastic portion, the first elastic portion is connected with the second elastic portion, a plug gap is formed between the first elastic portion and the second elastic portion, the first connecting portion is located in the plug gap, and the first connecting portion is connected with the first elastic portion and the second elastic portion.
Optionally, the first elastic part and the second elastic part each include a vertical section and a horizontal section that are connected, the horizontal section of the first elastic part and the horizontal section of the second elastic part are connected in a fitting manner, and are connected with the busbar, and the vertical sections of the first elastic part and the vertical sections of the second elastic part are arranged at intervals relatively to form the plugging gap.
Optionally, the horizontal segment is provided with a through hole.
Optionally, the plug connector has magnetism.
Optionally, the battery box includes bottom plate and last case portion, the bottom plate with last case portion sealing connection, the plug connector install in on last case portion with on the curb plate that the bottom plate is relative, the plug connector set up in the electricity core group deviates from one side of bottom plate.
Optionally, the bottom plate is in sealing connection with the upper box part through a sealing piece.
Optionally, a side surface of the bottom plate, which is away from the upper box part, is provided with a radiating fin;
and/or a heat conducting piece is arranged between the bottom plate and the battery cell group.
In a second aspect, an embodiment of the present application further provides an energy storage system, including a battery module set as described in any one of the above;
The battery module is installed in the casing, the casing is equipped with output terminal, output terminal with the second connecting portion is connected.
Optionally, an opening is formed in the bottom of the shell, and the bottom of the battery box is in sealing connection with the shell around the opening.
The battery module comprises a battery box, a battery cell group and a conductive assembly, wherein the battery cell group is arranged in the battery box, the conductive assembly comprises a plug connector and a plug connector matching piece, the plug connector is arranged on the battery box, a first connecting part of the plug connector is plugged with the plug connector matching piece, a second connecting part of the plug connector extends out of the battery box and is electrically connected with an output terminal, and when the battery box and the battery cell group are assembled, the plug connector is assembled in a plug-in matching way, the plug connector is good in stability and high in reliability, is convenient to install and operate, and is convenient to operate in a connecting mode with the output terminal when the plug connector extends out of the battery box.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the figures in the following description are only some embodiments of the application, from which other figures can be obtained without inventive effort for a person skilled in the art.
For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.
Fig. 1 is a schematic perspective view of a battery module according to an embodiment of the present application.
Fig. 2 is a schematic view illustrating a partial explosion of a battery module according to an embodiment of the present application.
Fig. 3 is a schematic diagram of a partial explosion of a battery cell assembly and a bottom plate in the battery module according to the embodiment of the application.
Fig. 4 is a partial enlarged view at a in fig. 3.
Fig. 5 is a schematic top view of a battery module according to an embodiment of the application.
Fig. 6 is a sectional view of B-B in fig. 5.
Fig. 7 is a partial enlarged view at C in fig. 6.
Fig. 8 is a schematic three-dimensional structure of an energy storage system according to an embodiment of the present application.
Fig. 9 is an exploded schematic view of an energy storage system according to an embodiment of the present application.
The reference numerals in the figures are:
10. a battery module;
100. The battery box, 110, a bottom plate, 111, radiating fins, 120, an upper box part, 130, a sealing element, 140 and a heat conducting element;
200. The battery cell group 210, the bus bar 220, the battery cell;
300. conductive component, 310, plug connector, 310a, positive plug connector, 310b, negative plug connector, 311, first connecting part, 312, second connecting part, 313, stop part, 314, clamping protrusion, 315, protective cover, 320, plug connector, 320a, positive plug connector, 320b, negative plug connector, 321, first elastic part, 322, second elastic part, 323, plug gap, 324, vertical section, 325, horizontal section, 326, bending part, 327 and through hole;
400. the fixing assembly comprises 410, an end plate, 420, a first fixing block, 430, a second fixing block and 440, a pin shaft;
20. The portable electronic device comprises a shell, 21, an output terminal, 22, an opening, 23, a lower box body, 24, a cover plate, 25, a connecting sheet, 26 and a handle.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
Referring to fig. 1 and 2, an embodiment of the present application provides a battery module 10 including a battery case 100, a battery cell stack 200, and a conductive member 300.
Referring to fig. 1 and 2, a battery case 100 has a hollow cubic structure, and a closed receiving space is formed in the battery case 100. The battery cell 200 is mounted in the battery case 100. The battery cell group 200 includes a bus bar 210 and a plurality of battery cells 220 sequentially arranged along a first direction. The first direction may be a length direction of the battery case 100. The positive terminals at the top of the plurality of cells 220 are connected by positive bus bars, and the negative terminals at the top of the plurality of cells 220 are connected by negative bus bars. End plates 410 are arranged at two ends of the battery cell group 200, the end plates 410 are fixedly connected with the bottom of the battery box 100, and a plurality of battery cells 220 are fixed through the end plates 410.
Referring to fig. 1, 2,3 and 4, the conductive assembly 300 includes a plug 310 and a plug mating member 320. The connector 310 is mounted on the battery case 100, the connector 310 has a first connection portion 311 and a second connection portion 312, the first connection portion 311 is located in the battery case 100, and the second connection portion 312 extends out of the battery case 100. The plug-in connector 320 is mounted on the battery cell set 200, and the plug-in connector 320 is electrically connected with the busbar 210 of the battery cell set 200. The plug 310 and the plug mating member 320 are aligned, the first connection portion 311 is plugged with the plug mating member 320, and the second connection portion 312 is electrically connected to the output terminal. The second connecting portion 312 is bent, a through hole is formed in the horizontal portion of the second connecting portion 312, the output terminal can be connected through a connecting sheet, and the connecting sheet is fixedly connected with the second connecting portion 312 through pin disassembly.
For example, referring to fig. 2, 3 and 4, the plug 310 is a positive plug 310a and a negative plug 310b, respectively. Correspondingly, the plug connectors 320 are divided into a positive plug connector 320a and a negative plug connector 320b. The plug-in fitting 320 is provided at an end of the bus bar 210. The positive electrode plug-in connector 320a is connected to the positive electrode bus bar, and the positive electrode plug-in connector 310a is plugged into the positive electrode plug-in connector 320 a. The negative electrode plug-in connector 320b is connected to the negative electrode bus bar, and the negative electrode plug-in connector 310b is plugged into the negative electrode plug-in connector 320b.
In the embodiment of the application, the battery module 10 includes a battery case 100, a battery cell group 200 and a conductive component 300, the conductive component 300 includes a plug 310 and a plug mating member 320, a first connection portion 311 of the plug 310 is plugged with the plug mating member 320, and a second connection portion 312 of the plug 310 extends out of the battery case 100 and is electrically connected with an output terminal. The plug assembly of the plug connector 310 and the plug fit 320 is completed when the battery box 100 and the battery cell group 200 are assembled, the plug connection stability is good, the reliability is high, and the installation and the operation are convenient. And the plug 310 is not separately located outside the battery case 100, thereby facilitating the connection operation with the output terminal.
In some embodiments, referring to fig. 6 and 7, the connector 310 further includes a stopper 313, the stopper 313 is located between the first connection portion 311 and the second connection portion 312, and the stopper 313 connects the first connection portion 311 and the second connection portion 312. The stopper 313 is located outside the battery case 100, and one end of the stopper 313 near the first connection part 311 abuts against the battery case 100. The movement of the socket 310 is restricted by the stopper 313.
In some embodiments, referring to fig. 6, 7 and 9, the plug 310 further includes a protective cover 315, the protective cover 315 being disposed over the second connection portion 312. The stop portion 313 is provided with a clamping protrusion 314, the protective cover 315 is provided with a clamping groove, and the protective cover 315 is clamped with the stop portion 313. Both ends of the shield 315 are led out by the connecting pieces 25. The second connection portion 312 is protected by a protective cover 315.
In some embodiments, referring to fig. 4, the socket fitting 320 includes a first elastic portion 321 and a second elastic portion 322. A plugging gap 323 is formed between the first elastic portion 321 and the second elastic portion 322. The first elastic portion 321 and the second elastic portion 322 may be elastic sheets made of an elastic material. The two elastic sheets are arranged at intervals and opposite to form a plug-in gap 323. The first connection portion 311 is located in the insertion gap 323, and the first connection portion 311 is connected to the first elastic portion 321 and the second elastic portion 322. The first connecting portion 311 may be a connecting piece, where the connecting piece is located in the inserting gap 323, and the thickness of the connecting piece is slightly greater than the gap of the inserting gap 323, so that the connecting piece can be attached to the first elastic portion 321 and the second elastic portion 322 on two sides.
In the embodiment of the application, the first elastic portion 321 and the second elastic portion 322 form the plugging gap 323, so that the plugging fitting 320 has a certain elastic deformation capability, and the elastic restoring force of the plugging fitting 320 clamps and fixes the first connecting portion 311, so that the plugging operation is simple and the connection is stable.
In some embodiments, referring to fig. 4, 5, 6 and 7, the first elastic portion 321 and the second elastic portion 322 each include a vertical section 324 and a horizontal section 325 connected, and the first elastic portion 321 and the second elastic portion 322 are disposed in a bent manner. The horizontal segment 325 of the first elastic portion 321 and the horizontal segment 325 of the second elastic portion 322 are bonded and connected to the bus bar 210. The vertical section 324 extends in the height direction of the battery case 100. The vertical section 324 of the first elastic portion 321 and the vertical section 324 of the second elastic portion 322 are disposed at opposite intervals to form a plugging gap 323.
In the embodiment of the application, the first elastic portion 321 and the second elastic portion 322 are provided with the vertical section 324 and the horizontal section 325, so that the horizontal section 325 of the plugging fitting 320 is conveniently connected with the busbar 210, and the vertical section 324 is conveniently plugged with the plugging fitting 310.
In some embodiments, referring to fig. 7, an end of the vertical section 324 facing away from the horizontal section 325 is bent 180 ° to form a bent portion 326, the bent portion 326 being spaced a distance from the vertical section 324. An insertion gap 323 is formed between the bent portion 326 of the first elastic portion 321 and the bent portion 326 of the second elastic portion 322. The plug 310 is inserted into the plug gap 323, the bending part 326 of the first elastic part 321 and the bending part 326 of the second elastic part 322 are connected with the plug 310 in a fitting way, and the elastic restoring force of the bending part 326 clamps and fixes the plug 310.
In the embodiment of the application, the end of the vertical section 324 is formed with the bending portion 326, and the bending portion 326 is spaced from the vertical section 324 by a certain distance, so that enough space is provided for the bending portion 326 to deform, and the overall structural strength of the plug-in mating connector 320 is further increased.
In some embodiments, the standoff distance of one end of the plug gap 323 facing away from the bus bar 210 is greater than the standoff distance of the other end. The insertion end of the insertion gap 323 is provided with a horn-shaped opening, so that the plug 310 is conveniently inserted into the insertion gap 323.
In some embodiments, referring to fig. 4 and 7, the first elastic portion 321 and the second elastic portion 322 are integrally formed by bending an elastic sheet, and the processing process is simple.
In some embodiments, referring to fig. 4 and 7, the horizontal segment 325 is provided with a through hole 327. The through hole 327 of the first elastic portion 321 is aligned with the through hole 327 of the second elastic portion 322, and the pin penetrates through the through hole 327 to be detachably and fixedly connected with the busbar 210.
In some embodiments, the plug-in mating piece 320 has magnetic properties.
It can be appreciated that the plug connector 320 has magnetism, when the battery is started, the plug connector 320 is connected with the plug connector 310 through magnetism generated by current to form a current bus, the plug connector 320 is closely attached to the plug connector 310, when the battery is closed, the magnetism generated by the current is small, the magnetic force between the plug connector 320 and the plug connector 310 disappears, and the plug connector 320 is disconnected from the plug connector 310, so that the phenomenon of overcharge or overdischarge caused by BMS failure is avoided.
In some embodiments, referring to fig. 2, the battery case 100 includes a bottom plate 110 and an upper case portion 120, and the bottom plate 110 is hermetically connected with the upper case portion 120. The plug 310 is mounted on a side plate of the upper case 120 opposite to the bottom plate 110, and the plug mating member 320 is disposed on a side of the battery cell 200 facing away from the bottom plate 110. The battery cell 200 is fixed on the base plate 110. The sealability of the battery case 100 is improved, the air in the battery module 10 is reduced, the oxygen in the battery module 10 is less, and the risk of thermal runaway is reduced.
In some embodiments, referring to fig. 2 and 3, the battery cell stack 200 is mounted to the base plate 110 by a fixture assembly 400. The fixing assembly 400 includes an end plate 410, a first fixing block 420, a second fixing block 430, and a pin 440, and the end plate 410 is disposed at both ends of the battery cell 200 to limit movement of the battery cell 200 in the first direction. The first fixing block 420 is fixed on the bottom plate 110 and located on the side of the end plate 410 away from the cell set 200, and the second fixing block 430 is fixed on the side of the end plate 410 away from the cell set 200. The first fixing block 420 and the second fixing block 430 are aligned along the width direction of the battery case 100, and the pin shaft 440 passes through the second fixing block 430 to be fixedly connected with the first fixing block 420, so that the end plate 410 is fixedly connected with the bottom plate 110 to fix the battery module 10.
In some embodiments, referring to fig. 2 and 3, the floor 110 is sealingly coupled to the upper tank section 120 by a seal 130. Illustratively, the sealing member 130 is a sealing strip, which is disposed along the circumferential direction of the base plate 110, and the lower end of the upper case portion 120 is sealingly connected to the base plate 110 through the sealing strip. The sealing structure is simple, and the assembly operation of the bottom plate 110 and the upper box part 120 is convenient.
In some embodiments, referring to fig. 2, a side of the base plate 110 facing away from the upper box portion 120 is provided with heat dissipating fins 111. The heat dissipation fins 111 conduct the heat generated by the battery cell assembly 200 out of the battery module 10, thereby improving the heat dissipation effect of the battery module 10.
In some embodiments, referring to fig. 3, a heat conducting member 140 is disposed between the base plate 110 and the cell stack 200. The heat conducting member 140 is a heat conducting sheet, one side of which is attached to the bottom of the battery cell group 200, and the other side of which is attached to the bottom plate 110. The thermally conductive sheet is tiled at the bottom of the cell stack 200. Avoid the heat too concentrated through setting up heat conduction spare 140, carry out the samming to battery module 10 inside to improve battery module 10's temperature uniformity, promote the life of product.
Referring to fig. 8 and 9, an embodiment of the present application further provides an energy storage system including the battery module 10 and the case 20 of any one of the above. The battery module 10 is mounted in the case 20, the case 20 is provided with the output terminal 21, and the output terminal 21 is connected to the second connection part 312. The energy storage system of the embodiment of the present application has the same technical effects as the above-mentioned battery module 10, and the embodiment of the present application is not repeated.
In some embodiments, referring to fig. 8, the bottom of the housing 20 is provided with an opening 22, and the bottom of the battery case 100 is sealingly connected to the housing 20 around the opening 22. Such as the bottom of the battery box 100 is fixedly connected to the housing 20 around the opening 22 by friction welding. The heat dissipation fins 111 extend out of the housing 20 to enhance the heat dissipation effect. The battery module 10 realizes double sealing through the sealing structure of the shell 20, improves the sealing performance of the battery module 10, and improves the reliability of the battery module 10.
In some embodiments, referring to fig. 9, the housing 20 includes a lower case 23 and a cover plate 24, and the lower case 23 and the cover plate 24 are hermetically connected by a sealing strip. The bottom of the lower case 23 opposite to the cover plate 24 is provided with an opening 22. The battery module 10 is welded and fixed in the lower case 23. The second connection portion 312 is connected to the output terminal 21 through the connection piece 25. And then the cover plate 24 is covered to facilitate the assembly operation of the case 20 and the battery module 10.
In some embodiments, referring to fig. 8 and 9, a handle 26 is also provided on the housing 20 to facilitate the transfer of the energy storage system by the user.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.
While the battery module and the energy storage system provided by the embodiments of the present application have been described in detail, specific examples are used herein to illustrate the principles and embodiments of the present application, the above examples are only for aiding in understanding the method and core concept of the present application, and meanwhile, the present disclosure should not be construed as limiting the application to those skilled in the art, based on the concept of the present application, having variations in the specific embodiments and application ranges.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422695608.2U CN223651567U (en) | 2024-11-05 | 2024-11-05 | Battery modules and energy storage systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422695608.2U CN223651567U (en) | 2024-11-05 | 2024-11-05 | Battery modules and energy storage systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223651567U true CN223651567U (en) | 2025-12-09 |
Family
ID=97906867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422695608.2U Active CN223651567U (en) | 2024-11-05 | 2024-11-05 | Battery modules and energy storage systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223651567U (en) |
-
2024
- 2024-11-05 CN CN202422695608.2U patent/CN223651567U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5723991B2 (en) | Battery pack with compact structure | |
| CN216389618U (en) | Battery pack and vehicle | |
| CN109844990B (en) | Battery module, battery pack including battery module, and vehicle including battery pack | |
| CN111653708A (en) | A busbar and battery module | |
| CN206349433U (en) | A kind of cell connector and battery modules | |
| CN116093528B (en) | Battery pack | |
| CN206758568U (en) | A kind of battery modules | |
| CN115498374B (en) | Battery compartment, battery package and electric device | |
| CN116826268A (en) | battery module | |
| CN218569143U (en) | a power storage system | |
| CN209496933U (en) | battery pack | |
| CN223651567U (en) | Battery modules and energy storage systems | |
| CN108232079B (en) | A soft-pack lithium-ion start-stop battery system | |
| CN222735066U (en) | Battery collection components, battery modules and power-consuming equipment | |
| CN219123314U (en) | Battery sampling assembly, battery and electrical device | |
| CN218996881U (en) | Soft pack battery and battery pack | |
| CN219643047U (en) | Battery cell and battery | |
| CN218242031U (en) | Battery pack and electric vehicle | |
| CN206976424U (en) | A kind of battery modules | |
| CN216850221U (en) | Sampling components, batteries and electrical devices | |
| CN116864891A (en) | Battery pack, energy storage device and electric equipment | |
| CN211265583U (en) | A soft pack battery module and electrical equipment | |
| CN218677485U (en) | Battery core connecting piece, battery core module, battery pack and vehicle | |
| CN107017367A (en) | A kind of battery bag | |
| CN114530662A (en) | Heating film, battery module and battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |