CN210467908U - Battery module, battery package and vehicle - Google Patents
Battery module, battery package and vehicle Download PDFInfo
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- CN210467908U CN210467908U CN201921111835.9U CN201921111835U CN210467908U CN 210467908 U CN210467908 U CN 210467908U CN 201921111835 U CN201921111835 U CN 201921111835U CN 210467908 U CN210467908 U CN 210467908U
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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
The utility model discloses a battery module, a battery pack and a vehicle, wherein the battery module comprises a first end plate, a second end plate, a first side plate, a second side plate and a battery core; the utility model discloses a set up the end plate and can realize that the bearing piles up, does not have extra space demand, has improved volume energy density, need not to set up extra support and guarantees its rigidity, alleviates material cost and assembly cost, has improved battery package weight energy density through simple structural design, realizes piling up the bearing of pressure through the end plate, transmits dispersion weight, realizes that the multilayer module piles up.
Description
Technical Field
The utility model relates to a battery package structure field, in particular to battery module, battery package and vehicle.
Background
The battery pack is used as a part for providing energy for the new energy automobile, and the development of the battery pack technology is an important assistance for the development of the new energy automobile. The battery pack comprises a battery pack shell, a battery module, a battery management system and the like. The battery module is used as a main component of the battery pack. Typically, battery packs are stacked in groups using "bench" type racks or a plurality of overlapping legs.
As shown in fig. 1, the "stool" type support requires an additional rigid structure with a size equal to that of the battery pack, and requires space and strength; as shown in fig. 2, a plurality of overlapping legs are provided, and the solution is overlapped by a plurality of brackets, and the cost is slightly smaller in the plane direction compared with that of fig. 1. But the number or the variety of the brackets is large; the two schemes in fig. 1 and 2 have rigidity requirements in terms of space, and particularly have high overhead in the height direction, so that the application requirements in a narrow space are not met; the solution of fig. 1 and 2 increases the height dimension, resulting in a higher center and reduced stability; the schemes in fig. 1 and 2 are generally used for stacking two layers of modules, and the implementation of a stacking structure of more than two layers of modules cannot be realized. Meanwhile, the bracket assembly increases the cost and the weight, and reduces the volume and the weight energy density.
Therefore, a new module stacking structure is urgently needed to solve the existing problems.
Disclosure of Invention
To the above-mentioned problem of prior art, the utility model aims to provide a battery module, battery package and vehicle.
In order to solve the technical problem, the utility model discloses a concrete technical scheme as follows:
in one aspect, the present invention provides a battery module, which includes a first end plate, a second end plate, a first side plate, a second side plate and a battery cell; the first end plate is arranged at one end of the battery cell, the second end plate is arranged at the other end of the battery cell, the battery cell is fixed through the first end plate and the second end plate, meanwhile, the rigidity of the battery cell can also be increased, the first side plate is arranged at one side of the battery cell, the second side plate is arranged at the other side of the battery cell, the first end plate, the first side plate, the second end plate and the second side plate are sequentially connected to form a square frame, and the battery cell is arranged in the square frame.
Further, the battery core comprises a plurality of battery unit cells, and the plurality of battery unit cells are stacked in sequence.
Specifically, the battery cell units are connected in parallel or in series with each other.
Optionally, the battery module further comprises a separator plate, and the separator plate is arranged between the battery unit cells.
Alternatively, the number of the separators is set according to the number of the battery cell units.
Optionally, the number of the isolation plates is one.
Furthermore, the first side plate comprises a first flanging and a second flanging, the first flanging is fixed at one end of the first end plate, and the second flanging is fixed at one end of the second end plate; the second side plate comprises a third flanging and a fourth flanging, the third flanging is fixed to the other end of the first end plate, and the fourth flanging is fixed to the other end of the second end plate.
Optionally, the first flange is fixed to one end of the first end plate by welding, and the second flange is fixed to one end of the second end plate by welding; the third flanging is fixed to the other end of the first end plate in a welded mode, the fourth flanging is fixed to the other end of the second end plate in a welded mode, and stability and strength of the connecting structure are improved through welding.
Optionally, a clamping groove is formed in the first end plate and the second end plate, a buckle corresponding to the clamping groove is arranged on the first side plate and the second side plate, and the connection structure is more stable and convenient to detach and replace due to the cooperation of the buckle and the clamping groove.
Optionally, the first end plate, the second end plate and the isolation plate are all made of aluminum alloy, so that the weight of the battery module is reduced.
Optionally, the first side plate and the second side plate are of sheet metal structures, so that the manufacturing cost is low.
On the other hand, the utility model provides a battery package, battery package includes at least one the aforesaid battery module, the battery module piles up each other.
Optionally, the number of the battery modules is three, and the battery modules are respectively an upper module, a middle module and a lower module, wherein the second end plate of the upper module is in contact with the first end plate of the middle module, and the second end plate of the middle module is in contact with the second end plate of the lower module.
A third aspect, the utility model provides a vehicle, the vehicle is pure electric vehicles or hybrid electric vehicle, the vehicle sets up the aforesaid a battery package.
Adopt above-mentioned technical scheme, a battery module, battery package and vehicle have following beneficial effect:
1. a battery module, battery package and vehicle, only can realize through setting up the end plate that the bearing piles up, no extra space demand has improved volume energy density.
2. A battery module, battery package and vehicle, need not to set up extra support and guarantee its rigidity, alleviate material cost and assembly cost.
3. A battery module, battery package and vehicle, improved battery package weight energy density through simple structural design.
4. A battery module, battery package and vehicle, realize piling up the bearing of pressure through the end plate, transmission dispersion weight realizes that the multilayer module piles up.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic illustration of a "bench" type support in a prior art arrangement;
FIG. 2 is a schematic view of the structure of the overlapping legs of the prior art;
fig. 3 is a schematic structural view of a battery module according to the present invention;
fig. 4 is a schematic diagram of a three-layer film assembly according to an embodiment of the present disclosure.
In the figure: 1-a first end plate, 2-a second end plate, 3-a first side plate, 4-a second side plate, 5-an electric core, 6-a separation plate and 51-a battery monomer unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
Example 1
Since the conventional scheme has great problems in terms of structure, cost, and the like when the battery modules are stacked, one embodiment of the present specification provides a battery module having a simple structure while having great pressure resistance.
Specifically, as shown in fig. 3, a structural schematic diagram of a battery module provided in an embodiment of the specification is provided, where the battery module includes a first end plate 1, a second end plate 2, a first side plate 3, a second side plate 4, and a battery cell 5; the first end plate 1, the first side plate 3, the second end plate 2 and the second side plate 4 are sequentially connected to form a square frame, the battery cell 5 is arranged in the square frame, the first end plate 1 is arranged at one end of the battery cell 5, the second end plate 2 is arranged at the other end of the battery cell 5, the battery cell 5 is fixed through the first end plate 1 and the second end plate 2, meanwhile, the rigidity of the battery cell 5 can also be increased, the first side plate 3 is arranged on one side of the battery cell 5, and the second side plates 4 are respectively arranged on the other side of the battery cell 5.
In order to increase the battery density of the battery module, the battery core 5 includes a plurality of battery cell units 51, and the plurality of battery cell units 51 are stacked in sequence, and optionally, the battery cell units 51 are connected in parallel or in series with each other.
Of course, when the number of the battery unit cells 51 in the battery module is relatively large, a separation plate 6 may be disposed in the middle of the battery unit cells 51, and the separation plate 6 is also used to improve the pressure resistance of the battery unit cells 51.
Specifically, the position of the separator 6 is determined according to the number of the battery cell units 51, i.e., the pressure resistance of the battery cell units 51 at both ends of the separator 6 can be ensured.
In this embodiment, the first side plate 3 includes a first flange 31 and a second flange 32, the first flange 31 is fixed at one end of the first end plate 1, and the second flange 32 is fixed at one end of the second end plate 2; the second side plate 4 includes third turn-ups 41 and fourth turn-ups 42, third turn-ups 41 is fixed the other end of first end plate 1, fourth turn-ups 42 is fixed the other end of second end plate 2, it is required to explain first turn-ups 31 with third turn-ups 41 sets up the outside of first end plate 1, second turn-ups 32 with fourth turn-ups 42 sets up the outside of second end plate 2, just first side plate 3 with the length of second side plate 4 slightly is less than first end plate 1 with distance before the second end plate 2, can pass through the turn-ups like this will first end plate 1 with the fine fixed of second end plate 2.
In the present embodiment, optionally, the first flange 31 is fixed to one end of the first end plate 1 by welding, and the second flange 32 is fixed to one end of the second end plate 2 by welding; the third flange 41 is fixed at the other end of the first end plate 1 by welding, and the fourth flange 42 is fixed at the other end of the second end plate 2 by welding, so that the stability and strength of the connecting structure are improved by welding.
In order to improve battery module's intensity, first end plate 1 second end plate 2 with division board 5 is the aluminum alloy, and the material of aluminum alloy also can reduce simultaneously battery module's weight, as optionally, first curb plate 3 and second curb plate 4 are the sheet metal construction, and the low in manufacturing cost of being convenient for.
An embodiment of the present specification also provides a battery pack, as shown in fig. 4, including at least one of the above-described battery modules, which are stacked one on another.
In this embodiment, the battery module is three, is upper module, middle level module and lower floor's module respectively, wherein the second end plate of upper module with the first end plate contact of middle module, the second end plate of middle module with the second end plate contact of lower floor's module.
The third embodiment of this specification still provides a vehicle, the vehicle is pure electric vehicles or hybrid electric vehicle, the vehicle sets up above-mentioned a battery package.
The battery module, the battery pack and the vehicle provided by the embodiment have the following beneficial effects:
1) a battery module, battery package and vehicle, only can realize through setting up the end plate that the bearing piles up, no extra space demand has improved volume energy density.
2) A battery module, battery package and vehicle, need not to set up extra support and guarantee its rigidity, alleviate material cost and assembly cost.
3) A battery module, battery package and vehicle, improved battery package weight energy density through simple structural design.
4) A battery module, battery package and vehicle, realize piling up the bearing of pressure through the end plate, transmission dispersion weight realizes that the multilayer module piles up.
Example 2, an alternative to example 1
According to the embodiment, the first flanging 31 and the second flanging 32 are arranged on the first side plate 3, the third flanging 41 and the fourth flanging 42 are arranged on the second side plate 4, the side plates and the end plates are fixedly connected, optionally, in the embodiment, the first end plate and the second end plate are provided with the clamping grooves, the first side plate and the second side plate are provided with the buckles corresponding to the clamping grooves, and through the cooperation of the buckles and the clamping grooves, the connection structure is more stable, and meanwhile, the disassembly and the replacement are convenient.
Meanwhile, the vehicle is a pure electric vehicle or a hybrid electric vehicle, and the vehicle is provided with the battery pack.
The beneficial effects of the battery module, the battery pack and the vehicle provided by the embodiment are basically the same as those of the above embodiments, and are not repeated here.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention, as will be apparent to those skilled in the art, the invention is not limited to the details of the foregoing exemplary embodiment, but rather is embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A battery module is characterized by comprising a first end plate (1), a second end plate (2), a first side plate (3), a second side plate (4) and a battery core (5); the battery pack is characterized in that the first end plate (1) is arranged at one end of the battery cell (5), the second end plate (2) is arranged at the other end of the battery cell (5), the first side plate (3) is arranged at one side of the battery cell (5), the second side plate (4) is respectively arranged at the other side of the battery cell (5), and the first end plate (1), the first side plate (3), the second end plate (2) and the second side plate (4) are sequentially connected.
2. The battery module according to claim 1, wherein the battery core (5) comprises a plurality of battery unit cells (51), and the plurality of battery unit cells (51) are stacked in sequence.
3. A battery module according to claim 2, characterized in that the battery cell units (51) are connected in parallel or in series with each other.
4. A battery module according to claim 2, characterized in that the battery module further comprises separators (6), the separators (6) being disposed between the battery cell units (51).
5. A battery module according to claim 4, characterized in that the separator (6) is one.
6. The battery module according to claim 1, wherein the first side plate (3) comprises a first flange (31) and a second flange (32), the first flange (31) is fixed at one end of the first end plate (1), and the second flange (32) is fixed at one end of the second end plate (2); the second side plate (4) comprises a third flanging (41) and a fourth flanging (42), the third flanging (41) is fixed to the other end of the first end plate (1), and the fourth flanging (42) is fixed to the other end of the second end plate (2).
7. A battery module according to claim 4, characterized in that the first end plate (1), the second end plate (2) and the separator plate (6) are all of aluminum alloy.
8. The battery module according to claim 1, wherein the first side plate (3) and the second side plate (4) are of sheet metal construction.
9. A battery pack comprising at least one battery module according to any one of claims 1 to 8, the battery modules being stacked one on another.
10. A vehicle, which is a pure electric vehicle or a hybrid electric vehicle, characterized in that the vehicle is provided with a battery pack according to claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921111835.9U CN210467908U (en) | 2019-07-16 | 2019-07-16 | Battery module, battery package and vehicle |
| PCT/CN2020/101710 WO2021008498A1 (en) | 2019-07-16 | 2020-07-13 | Battery module, battery pack, and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921111835.9U CN210467908U (en) | 2019-07-16 | 2019-07-16 | Battery module, battery package and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210467908U true CN210467908U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921111835.9U Active CN210467908U (en) | 2019-07-16 | 2019-07-16 | Battery module, battery package and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008498A1 (en) * | 2019-07-16 | 2021-01-21 | 威睿电动汽车技术(宁波)有限公司 | Battery module, battery pack, and vehicle |
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2019
- 2019-07-16 CN CN201921111835.9U patent/CN210467908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008498A1 (en) * | 2019-07-16 | 2021-01-21 | 威睿电动汽车技术(宁波)有限公司 | Battery module, battery pack, and vehicle |
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