CN211670267U - Electricity core unit, battery module and car - Google Patents
Electricity core unit, battery module and car Download PDFInfo
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- CN211670267U CN211670267U CN202020832021.0U CN202020832021U CN211670267U CN 211670267 U CN211670267 U CN 211670267U CN 202020832021 U CN202020832021 U CN 202020832021U CN 211670267 U CN211670267 U CN 211670267U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
An embodiment of the utility model provides an electricity core unit, battery module and car relates to the battery field. This battery module includes a plurality of electric core units, and electric core unit includes switching output structure and two at least electric cores, and every electric core all is provided with utmost point ear, and switching output structure includes interconnect's switching body and spacing portion, is provided with the utmost point ear wearing groove that supplies utmost point ear to pass on the switching body, and spacing portion stretches into between two adjacent electric cores to with two adjacent electric core laminating, the switching body is connected with utmost point ear electricity, so that two at least electric cores are parallelly connected. Foretell electric core unit, battery module and car can improve the structural stability of electric core, have the characteristics of convenient manufacturing, are favorable to promoting the manufacturing of electric core unit.
Description
Technical Field
The utility model relates to a field particularly, relates to an electricity core unit, battery module and car.
Background
The electric core unit of battery module connects in parallel the electric core inside the electric core unit through the switching output pole or the busbar to different electric core units are established ties. When the existing switching output electrode or bus bar is connected with the electrode lug of the electric core, the stable structure of the connection cannot be ensured, and the problem of low reliability can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electricity core unit, battery module and car, its structural stability that can improve electric core promotes the use reliability of battery, has the characteristics of convenient manufacturing, is favorable to promoting the manufacturing of electricity core unit.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides an electric core unit for a battery module, the battery module includes a plurality of the electric core unit, the electric core unit includes switching output structure and at least two electric cores, every the electric core all is provided with utmost point ear, switching output structure includes interconnect's switching body and spacing portion, be provided with the confession on the switching body the utmost point ear wearing groove that utmost point ear passed, spacing portion stretches into adjacent two between the electric core, and with adjacent two the electric core laminating, the switching body with utmost point ear electricity is connected, so that at least two electric cores are parallelly connected.
The embodiment of the utility model provides an electricity core unit: the switching body is used for being connected with the electrode lug of the battery cell. The electrode lugs of the battery cells are electrically connected with the switching body, so that the parallel connection of the battery cells is realized through the switching body. And in the embodiment of the utility model provides an in, spacing portion stretches into between two adjacent electric cores to can laminate with these two adjacent electric cores, realize being connected of spacing portion and electric core. This spacing portion stretches into and can improve the stability of switching body between two adjacent electric cores to guarantee that the connection of switching body and utmost point ear is stable, guarantee the structural stability that switching output structure and utmost point ear are connected, also improved the service reliability of battery module.
In an optional embodiment, the number of the tab through grooves is two or more, the number of the limiting parts is one or more, and the limiting parts are located between two adjacent tab through grooves.
In an optional embodiment, the limiting portion includes a connecting portion and a limiting end, the connecting portion is connected to the adapter body, and the limiting end is used for extending between two adjacent battery cells.
In an alternative embodiment, the connecting portion is provided with a riveting portion, and the adapter body is hot-riveted to the riveting portion.
In an optional embodiment, the adapter body is further provided with a series connection portion, and the series connection portion and the limiting portion are located on two opposite side surfaces of the adapter body and are used for connecting two adjacent battery cell units in series.
In a second aspect, an embodiment of the present invention provides a battery module, the battery module includes an electric core unit and any one of the foregoing embodiments, the switching output structure, the battery module includes a plurality of electric core units, the electric core unit includes at least two electric cores, every the electric core all is provided with a tab, a tab through slot is used for supplying the tab to pass through, spacing portion stretches into adjacent two between the electric cores, and with adjacent two the electric core laminating, the switching body with the tab is electrically connected, for making at least two electric cores are connected in parallel.
The embodiment of the utility model provides a battery module, it includes foretell electric core unit, has good structural stability and use reliability. The switching body is used for being connected with the lug of the battery cell. The electrode lugs of the battery cells are electrically connected with the switching body, so that the parallel connection of the battery cells is realized through the switching body. And in the embodiment of the utility model provides an in, spacing portion stretches into between two adjacent electric cores to can laminate with these two adjacent electric cores, realize being connected of spacing portion and electric core. This spacing portion stretches into and can improve the stability of switching body between two adjacent electric cores to guarantee that the connection of switching body and utmost point ear is stable, guarantee the structural stability that switching output structure and utmost point ear are connected, also improved the service reliability of battery module.
In an optional embodiment, the battery module further includes a series connection member, and the series connection member is electrically connected to the switching bodies of two adjacent switching output structures, and is used for connecting two adjacent battery cell units in series.
In an optional embodiment, the series connection element includes a first connection portion and a second connection portion connected to each other, the first connection portion and the second connection portion are disposed in a staggered manner, the first connection portion is electrically connected to one of the two adapter bodies, and the second connection portion is electrically connected to the other of the two adapter bodies.
In an alternative embodiment, the adapter body is provided with a series connection, and the first connection or the second connection is welded or bolted to the series connection.
In an alternative embodiment, the cells are stacked laterally within a housing of the battery module.
In a third aspect, an embodiment of the present invention provides an automobile, including the battery module as set forth in any one of the foregoing embodiments.
The embodiment of the utility model provides a car, it includes foretell battery module, has good structural stability and use reliability. The switching body is used for being connected with the lug of the battery cell. The electrode lugs of the battery cells are electrically connected with the switching body, so that the parallel connection of the battery cells is realized through the switching body. And in the embodiment of the utility model provides an in, spacing portion stretches into between two adjacent electric cores to can laminate with these two adjacent electric cores, realize being connected of spacing portion and electric core. This spacing portion stretches into and can improve the stability of switching body between two adjacent electric cores to guarantee that the connection of switching body and utmost point ear is stable, guarantee the structural stability that switching output structure and utmost point ear are connected, also improved the use reliability of battery module and the car that has this battery module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram of an adapter output structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the embodiment of the present invention at B in fig. 3;
fig. 5 is a schematic structural diagram of a series connection element connecting two adjacent switching output structures according to an embodiment of the present invention;
fig. 6 is a schematic view of the series connection of fig. 5.
Icon: 100-a battery module; 110-cell unit; 112-a switched output structure; 1121-adapting body; 1122-a limiting part; 1123-penetrating a tab into a groove; 1124-a connecting part; 1125-a limiting tip; 1126-riveting part; 1127-a series connection; 114-a battery cell; 120-series connection; 121-a first connection; 122-second connection.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and fig. 2, a battery module 100 according to an embodiment of the present invention is shown, where the battery module 100 includes a casing and a plurality of sets of cell units 110 disposed in the casing.
It should be noted that the embodiment of the present invention provides a battery module 100, which can be applied to a new energy vehicle, such as an electric vehicle, for providing power for the new energy vehicle. Meanwhile, it should also be understood that the battery module 100 may be a pouch module for a power battery, but the embodiment of the present invention is not limited to a pouch battery.
Please refer to fig. 1 to fig. 3 in combination, in an embodiment of the present invention, the battery module 100 includes a plurality of battery cell units 110, each battery cell unit 110 includes a switching output structure 112 and at least two battery cells 114, each battery cell 114 is provided with a tab, the switching output structure 112 includes a switching body 1121 and a limiting portion 1122 that are connected to each other, a tab penetrating slot 1123 for the tab to pass is provided on the switching body 1121, the limiting portion 1122 extends into between two adjacent battery cells 114 and is attached to two adjacent battery cells 114, the switching body 1121 is electrically connected to the tab, so that at least two battery cells 114 are connected in parallel.
It should be noted that a plurality of battery cell units 110 are sequentially connected in series, and the battery cells 114 in the battery cell units 110 are connected in parallel. The embodiment of the utility model provides an in, switching output structure 112 is arranged in connecting electric core 114 in electric core unit 110, makes it parallelly connected each other, establishes ties each switching output structure 112 in proper order again, realizes each electric core unit 110's series connection.
It should be understood that, for the cell unit 110, the switching output structure 112 can connect the cells 114 in the cell unit 110 in parallel. The adapting body 1121 is used to be connected to tabs of the battery cells 114. The tabs of the battery cells 114 are electrically connected to the adaptor body 1121, so that the battery cells 114 are connected in parallel through the adaptor body 1121. And in the embodiment of the present invention, the limiting portion 1122 extends between two adjacent battery cells 114, and can be attached to the two adjacent battery cells 114, so as to connect the limiting portion 1122 to the battery cells 114. The limiting portion 1122 extends into the space between two adjacent electric cores 114 to improve the stability of the adapting body 1121, so as to ensure that the adapting body 1121 is stably connected to the tab, ensure the structural stability of the adapting output structure 112 connected to the tab, and improve the use reliability of the battery module 100.
Meanwhile, it should also be noted that, when the electrical core unit 110 provided by the embodiment of the present invention is assembled, the following steps may be referred to.
First, the limiting portion 1122 is extended between two adjacent electric cells 114, the tab of the electric cell 114 is inserted through the tab through slot 1123, and then the tab is electrically connected to the adapting body 1121. And buffer cotton can be arranged between the limiting part 1122 and two adjacent battery cells 114 or assembled and matched in other possible manners.
It should be understood that the assembling steps of the battery cell unit 110 described above are only one possible assembling manner of the battery cell unit 110 provided by the embodiment of the present invention, and should not be considered as limiting the battery cell unit 110. That is to say, the battery cell unit 110 may also be assembled by using other assembling steps, where possible, and the embodiment of the present invention is not particularly limited to the assembling steps of the battery cell unit 110.
Optionally, the adapting body 1121 is a conductor, and the stopper 1122 is an insulator. The adapter body 1121 may connect tabs of the battery cells 114 in parallel, and at this time, the tabs of each battery cell 114 may be connected to the adapter body 1121, so as to implement the parallel connection of the battery cells 114.
In an alternative embodiment, the number of the tab through grooves 1123 is two or more, the number of the limit portions 1122 is one or more, and the limit portions 1122 are located between two adjacent tab through grooves 1123.
As shown in the drawings, the number of the tab through grooves 1123 is three, the number of the limit portions 1122 is two, the two limit portions 1122 are spaced apart from each other, and the tab through groove 1123 located in the middle is also located between the two limit portions 1122. One battery cell 114 can be accommodated between the two limiting portions 1122, and for this embodiment, the battery cell unit 110 includes three battery cells 114, where the central battery cell 114 is located between the two limiting portions 1122. This spacing portion 1122 can be spacing to electric core 114, is favorable to promoting electric core 114's structural stability.
Referring to fig. 4, in an alternative embodiment, the limiting portion 1122 may include a connecting portion 1124 and a limiting end 1125 connected to each other, where the connecting portion 1124 is connected to the adapting body 1121, and the limiting end 1125 is used to extend between two adjacent battery cells 114.
Optionally, the connecting portion 1124 and the limiting end 1125 are both made of an insulating material, such as plastic. Plastics non-deformable can further guarantee structural stability.
Further, the connecting portion 1124 is provided with a caulking portion 1126, and the adaptor body 1121 is heat-caulked to the caulking portion 1126. Of course, without limitation, in other embodiments of the present invention, the connecting portion 1124 may be connected to the adapting body 1121 in other connecting manners, including but not limited to: clamping, bolting, bonding, etc.
In an optional embodiment, the adapter body 1121 may further include a series connection portion 1127, where the series connection portion 1127 and the limiting portion 1122 are located on two opposite side surfaces of the adapter body 1121, and are used for connecting two adjacent battery cell units 110 in series.
Referring to fig. 1 to fig. 3, an embodiment of the present invention further provides a battery module 100, where the battery module 100 includes a battery cell unit 110 and a switching output structure 112 as in any one of the foregoing embodiments, the battery module 100 includes a plurality of battery cell units 110, the battery cell unit 110 includes at least two battery cells 114, each battery cell 114 is provided with a tab, a tab penetrating groove 1123 is used for the tab to pass through, a limiting portion 1122 extends between two adjacent battery cells 114 and is attached to two adjacent battery cells 114, and a switching body 1121 is electrically connected to the tab, so as to connect at least two battery cells 114 in parallel.
It should be understood that the battery module 100 includes the above-described cell unit 110, and has good structural stability and operational reliability. The adapting body 1121 is used to be connected to tabs of the battery cells 114. The tabs of the battery cells 114 are electrically connected to the adaptor body 1121, so that the battery cells 114 are connected in parallel through the adaptor body 1121. And in the embodiment of the present invention, the limiting portion 1122 extends between two adjacent battery cells 114, and can be attached to the two adjacent battery cells 114, so as to connect the limiting portion 1122 to the battery cells 114. The limiting portion 1122 extends into the space between two adjacent electric cores 114 to improve the stability of the adapting body 1121, so as to ensure that the adapting body 1121 is stably connected to the tab, ensure the structural stability of the adapting output structure 112 connected to the tab, and improve the use reliability of the battery module 100.
Referring to fig. 2 and fig. 5, in an alternative embodiment, the battery module 100 may further include a series connection member 120, where the series connection member 120 is electrically connected to the adaptor bodies 1121 of two adjacent adaptor output structures 112, and is used to connect two adjacent battery cell units 110 in series.
Referring to fig. 6, the series connection element 120 may further include a first connection portion 121 and a second connection portion 122 connected to each other, and the first connection portion 121 and the second connection portion 122 are disposed in a staggered manner, the first connection portion 121 is electrically connected to one of the two through connection bodies 1121, and the second connection portion 122 is electrically connected to the other of the two through connection bodies 1121.
Optionally, the adapting body 1121 is provided with a serial connection 1127, and the first connection portion 121 or the second connection portion 122 is welded or bolted to the serial connection 1127.
In an alternative embodiment, the cells 114 in the cell unit 110 are stacked laterally within the housing of the battery module 100.
It should be noted that, battery cell 114 transversely piles up in battery module 100's casing for the expansion direction of battery cell 114 is unanimous with the length direction of module, makes the stress in the module expansion direction parallel with the tensile direction of structure, eliminates or reduces the shearing force that structure and welding seam lead to because of battery cell 114 inflation, improves the reliability of module.
Further, the through output structure 112 may be disposed on the upper portion of the module, so that when the module is impacted, the occurrence of short circuit caused by the contact between the metal end plate, the side plate and the through output structure 112 is reduced.
The embodiment of the utility model provides a still provide an automobile including as battery module 100 of any one of the aforesaid embodiment, this battery module 100 can provide power to the automobile. The automobile comprises but is not limited to a new energy automobile and the like.
The embodiment of the utility model provides a cell unit 110, electric core 114 module and car: for cell unit 110, adaptor body 1121 is used to connect with tabs of cell 114. The tabs of the battery cells 114 are electrically connected to the adaptor body 1121, so that the battery cells 114 are connected in parallel through the adaptor body 1121. And in the embodiment of the present invention, the limiting portion 1122 extends between two adjacent battery cells 114, and can be attached to the two adjacent battery cells 114, so as to connect the limiting portion 1122 to the battery cells 114. The limiting portion 1122 extends into a space between two adjacent electric cores 114 to improve the stability of the adapting body 1121, so as to ensure stable connection between the adapting body 1121 and the tab and ensure the structural stability of the adapting output structure 112 connected to the tab. For the battery module 100, the structure of the battery cell unit 110 is stable, so that the reliability of the battery module 100 is improved, and the automobile including the battery module 100 has better reliability.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. The utility model provides an electricity core unit for the battery module, the battery module includes a plurality ofly electricity core unit, a serial communication port, electricity core unit includes switching output structure and two at least electric cores, every electricity core all is provided with utmost point ear, switching output structure includes interconnect's switching body and spacing portion, be provided with the confession on the switching body utmost point ear wearing groove that utmost point ear passed, spacing portion stretches into adjacent two between the electricity core, and with adjacent two the electricity core laminating, the switching body with utmost point ear electricity is connected, so that two at least electric cores are parallelly connected.
2. The battery cell unit of claim 1, wherein the number of the tab penetrating grooves is two or more, the number of the limiting portions is one or more, and the limiting portions are located between two adjacent tab penetrating grooves.
3. The battery cell unit of claim 1 or 2, wherein the limiting portion comprises a connecting portion and a limiting end, the connecting portion is connected with the adapter body, and the limiting end is used for extending between two adjacent battery cells.
4. The cell unit of claim 3, wherein the connection portion is provided with a riveting portion, and the adaptor body is hot-riveted to the riveting portion.
5. The battery cell unit of claim 1 or 2, wherein the adapter body is further provided with a series connection portion, and the series connection portion and the limiting portion are located on two opposite side surfaces of the adapter body and are used for connecting two adjacent battery cell units in series.
6. A battery module, which is characterized in that the battery module comprises a cell unit and a switching output structure as claimed in any one of claims 1 to 5, the battery module comprises a plurality of cell units, each cell unit comprises at least two cells, each cell is provided with a tab, the tab penetrating groove is used for the tab to pass through, the limiting part extends into between two adjacent cells and is attached to the two adjacent cells, and the switching body is electrically connected with the tabs and is used for connecting the at least two cells in parallel.
7. The battery module according to claim 6, further comprising a series connection member electrically connected to the through bodies of two adjacent through output structures for connecting two adjacent cell units in series.
8. The battery module according to claim 7, wherein the series connection member comprises a first connection part and a second connection part which are connected with each other, the first connection part and the second connection part are arranged in a staggered manner, the first connection part is electrically connected with one of the two adapter bodies, and the second connection part is electrically connected with the other of the two adapter bodies.
9. The battery module according to claim 8, wherein the adaptor body is provided with a series connection part, and the first connection part or the second connection part is welded or bolted to the series connection part.
10. The battery module of any of claims 7-9, wherein the cells are stacked laterally within a housing of the battery module.
11. An automobile characterized by comprising the battery module according to any one of claims 7 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020832021.0U CN211670267U (en) | 2020-05-18 | 2020-05-18 | Electricity core unit, battery module and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020832021.0U CN211670267U (en) | 2020-05-18 | 2020-05-18 | Electricity core unit, battery module and car |
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| Publication Number | Publication Date |
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| CN211670267U true CN211670267U (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020832021.0U Active CN211670267U (en) | 2020-05-18 | 2020-05-18 | Electricity core unit, battery module and car |
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| CN (1) | CN211670267U (en) |
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