CN213636168U - Square electric core integrated module, battery pack and vehicle - Google Patents
Square electric core integrated module, battery pack and vehicle Download PDFInfo
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- CN213636168U CN213636168U CN202022664622.8U CN202022664622U CN213636168U CN 213636168 U CN213636168 U CN 213636168U CN 202022664622 U CN202022664622 U CN 202022664622U CN 213636168 U CN213636168 U CN 213636168U
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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 embodiment of the utility model provides a square electric core integrated form module, battery package and vehicle relates to new forms of energy technical field. The square electric core integrated module, the battery pack and the vehicle comprise an anti-electric core expansion device, a fixed main beam, a plurality of square electric core groups, at least two side plates and at least two end plates. The at least two side plates are arranged oppositely, the at least two end plates are connected to the end fixing main beams of the at least two side plates and arranged between the at least two side plates, and two ends of the fixing main beams are respectively connected with the at least two end plates. At least two curb plates, two at least end plates and fixed girder form the accommodation space jointly, and a plurality of square electric core group settle in the accommodation space. Prevent that electric core expansion device sets up in the accommodation space, and with the contact of a plurality of square electric core group for take place deformation when preventing the inflation of square electric core group, improved and led to other structures to take place the problem of deformation because of the inflation of square electric core group, thereby improved the security.
Description
Technical Field
The utility model relates to a new forms of energy technical field particularly, relates to a square electric core integrated form module, battery package and vehicle.
Background
As the core of three key technologies of new energy automobiles, power batteries have gained more and more attention, and the power batteries can generate gas inside the power batteries to cause the expansion of electric cores under the normal charging and discharging condition or when thermal runaway occurs or after aging, so that other structures inside the power batteries are deformed. Such deformation may cause breakage of the fine structure inside the power battery, so that the safety of the power battery is low.
How to improve the problem that other structures deform due to battery expansion is worth discussing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a square electric core integrated form module, battery package and vehicle to improve above-mentioned problem.
The embodiment of the utility model is realized like this:
in a first aspect, the utility model provides a square cell integrated module, which comprises a cell expansion prevention device, a fixed girder, a plurality of square cell groups, at least two side plates and at least two end plates;
the at least two side plates are oppositely arranged, and the at least two end plates are connected to the end parts of the at least two side plates;
the fixed main beam is arranged between the at least two side plates, and two ends of the fixed main beam are respectively connected with the at least two end plates;
the at least two side plates, the at least two end plates and the fixed main beam form an accommodating space together, and the plurality of square electric core groups are arranged in the accommodating space;
prevent electric core expansion device set up in the accommodation space, and with a plurality of square electric core group contact is used for preventing take place deformation when square electric core group expands.
In an alternative embodiment, the square cell pack comprises a plurality of overlapping square individual cells, and the cell expansion prevention device further comprises at least one spacer plate;
each partition plate is arranged between every two overlapped square monomer battery cores.
In an alternative embodiment, the core expansion prevention device further comprises at least one cover plate;
every the apron lid closes in at least one square electric core group, and every the apron all with fixed girder passes through bolted connection.
In an alternative embodiment, the core expansion prevention device further comprises at least one strapping band;
each packing belt is arranged at one end, close to the side plate, of each square electric core group;
each packing belt is wound on each square electric core group.
In an alternative embodiment, each of the square unit cells includes a positive electrode and a negative electrode, the positive electrode and the negative electrode are disposed at the same end of the square unit cell, and each of the side plates is disposed near one end of each of the square unit cells including the positive electrode and the negative electrode;
the square battery cell integrated module further comprises at least one current collecting plate, each current collecting plate is connected with the positive electrode of at least one square monomer battery cell, and/or each current collecting plate is connected with the negative electrode of at least one square monomer battery cell.
In an optional embodiment, the fixed main beam comprises a liquid cooling plate and a placement plate, the liquid cooling plate is fixedly connected with the placement plate, and the liquid cooling plate and the placement plate are in a T-shaped structure;
the liquid cooling plate is used for dissipating heat of each square electric core group, and the mounting plate is used for mounting each square electric core group.
In an optional embodiment, the square cell integrated module further comprises a heat dissipation member, and the heat dissipation member is disposed on one side of each square cell group close to the liquid cooling plate;
the heat dissipation member includes one or more of a heat conductive structural adhesive or a heat conductive pad.
In an optional embodiment, the square cell integrated module further includes at least one piece of insulation paper, and each piece of insulation paper is disposed between two adjacent square cell groups.
In a second aspect, the present invention provides a battery pack, including a housing and any one of the above-mentioned embodiments, the square battery cell integrated module is accommodated in the housing.
In a third aspect, the present invention provides a vehicle, comprising a driving device and a battery pack according to the foregoing embodiments, wherein the battery pack is connected to the driving device, and the battery pack is used for providing power for the driving device.
The embodiment of the utility model provides a square electric core integrated form module, battery package and vehicle, this square electric core integrated form module, battery package and vehicle prevent electric core expansion device through setting up, retrain it when square electric core group inflation, have improved because of the expansion problem that leads to other structures to take place deformation of square electric core group to the security has been improved.
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 diagram of a structure of a square battery cell integrated module according to an embodiment of the present invention.
Fig. 2 is an explosion diagram of the square battery cell integrated module according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a device for preventing expansion of an electric core according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a square single cell provided in the embodiment of the present invention.
Fig. 5 is a schematic structural view of a fixed main beam provided in the embodiment of the present invention.
Icon: 1-a square cell integrated module; 10-prevent core expansion device; 11-a spacer plate; 12-a cover plate; 13-packing belt; 20-fixing the main beam; 21-liquid cooling plate; 22-a setting plate; 30-square electric core group; 31-square single cell; 311-positive electrode; 312-a negative electrode; 40-side plates; 50-an end plate; 60-a collector plate; 70-insulating paper.
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.
As introduced in the background art, as the core of three key technologies of new energy vehicles, power batteries have gained more and more attention, and under the normal charging and discharging condition, when thermal runaway occurs or after aging, the power batteries all generate gas inside to cause the battery core to expand, so that other structures inside the power batteries deform. Such deformation may cause breakage of the fine structure inside the power battery, so that the safety of the power battery is low.
How to improve the problem that other structures deform due to battery expansion is worth discussing.
In view of this, the embodiment of the utility model provides a square electric core integrated form module, battery package and vehicle is provided, this square electric core integrated form module, battery package and vehicle are through preventing electric core expansion device in inside setting up of battery module, retrain it when electric core inflation, improve because of the battery inflation leads to other structures to take place the problem of deformation. The above scheme is explained in detail below.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of a square cell integrated module according to an embodiment of the present invention. Fig. 2 is an explosion diagram of the square battery cell integrated module according to an embodiment of the present invention. Fig. 3 is a schematic structural diagram of a device for preventing expansion of an electric core according to an embodiment of the present invention.
Comprises an anti-core expansion device 10, a fixed main beam 20, a plurality of square electric core groups 30, at least two side plates 40 and at least two end plates 50.
At least two side plates 40 are oppositely disposed, and at least two end plates 50 are attached to ends of the at least two side plates 40.
The fixed main beam 20 is disposed between the at least two side plates 40, and two ends of the fixed main beam 20 are respectively connected with the at least two end plates 50.
The at least two side plates 40, the at least two end plates 50 and the fixed main beam 20 together form an accommodating space, and the plurality of square electric core groups 30 are arranged in the accommodating space.
Prevent that electric core expansion device 10 sets up in the accommodation space, and with a plurality of square electric core group 30 contacts for take place deformation when preventing square electric core group 30 inflation.
This embodiment is through setting up and preventing electric core expansion device 10, retrains it when square electric core group 30 inflation, has improved because of square electric core group 30 inflation leads to other structures to take place the problem of deformation to power battery's security has been improved.
As an alternative embodiment, the square battery cell group 30 includes a plurality of overlapped square single battery cells 31, and the cell expansion preventing device 10 further includes at least one partition plate 11.
Each partition plate 11 is disposed between two of the overlapped square unit cells 31.
Wherein, the shape size of every square monomer electricity core 31 is all unanimous, and a plurality of square monomer electricity cores 31 overlap into a set of square electric core group 30, and wherein, a set of square electric core group 30 can include 2, 3, 4 or more square monomer electricity cores 31, and its number does not do the restriction here, according to actual demand selection can.
Meanwhile, it is understood that the length and width of the spacer plate 11 may be the same as those of the square unit cells 31, or slightly larger than those of the square unit cells 31.
The gap between each spacer plate 11 may be the same as the width of the square individual cell 31 or slightly larger than the directional elevator cell. So, reserve out the inflation space through space bar 11 to other structure atress take place deformation when preventing the electric core inflation.
As yet another alternative embodiment, the core expansion prevention device 10 further comprises at least one cover plate 12 on the basis of the above.
Each cover plate 12 covers at least one square electric core group 30, and each cover plate 12 is connected with the fixed main beam 20 through bolts.
As shown in fig. 1, as an alternative, one cover plate 12 can be covered on two square electric core sets 30, and the middle of the cover plate 12 is connected with the fixing main beam 20 through a bolt to cover on the square electric core set 30.
Alternatively, a single lid 12 may also be provided with more or fewer groups of square electric cores 30, for example, one group of square electric cores 30 per lid 12, or three groups of square electric cores 30 per lid 12, or four groups of square electric cores 30 per lid 12.
So, accessible at least one apron 12 lid closes all square electric core group 30, reserves out the inflation space to can also play fixed spacing effect to square electric core group 30 when preventing that other structure atress from taking place deformation when electric core inflation.
As a further alternative, the anti-core expansion device 10 may further comprise at least one strapping band 13, based on the above. Each packing belt 13 is arranged at one end of each square electric core group 30 close to the side plate 40. Each packing belt 13 is wound around each square electric core group 30.
Alternatively, the material of the strapping band 13 may be a steel material, such as manganese steel. Meanwhile, one or more packing belts 13 can be wound around each square electric core group 30.
For example, in the case that there is one packing tape 13 wound around each square electric core pack 30, the packing tape 13 is disposed at one end of each square electric core pack 30 adjacent to the side plate 40. In the case that there are a plurality of packing belts 13 wound around each square electric core pack 30, each packing belt 13 is disposed side by side at one end of each square electric core pack 30 close to the side plate 40.
The width of the packing belt 13 may be the same as the length of the square single battery cells 31, i.e. completely wrapping each square battery cell group 30. The width of the packing belt 13 may be smaller than the length of the square single battery cells 31, i.e. each square battery cell group 30 is not completely wrapped.
So, bind the mode of apron 12 and square electric core group 30 through packing area 13, lead to other structural deformation when can effectively preventing electric core inflation on the one hand, on the other hand can also guarantee the reliability of module structure to power battery's security has been improved.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a square single cell 31 according to an embodiment of the present invention.
Each square unit cell 31 includes a positive electrode 311 and a negative electrode 312, and the positive electrode 311 and the negative electrode 312 are disposed at the same end of the square unit cell 31.
As an alternative embodiment, each side plate 40 is disposed near one end of each square unit cell 31, which includes the positive electrode 311 and the negative electrode 312. Thus, the square single battery cell 31 is horizontally placed, so that the stability of the square battery cell group 30 is better.
Further, the square cell integrated module 1 further includes at least one current collecting plate 60, each current collecting plate 60 is connected to the positive electrode 311 of at least one square cell 31, and/or each current collecting plate 60 is connected to the negative electrode 312 of at least one square cell 31. Therefore, the square single battery cells 31 form a battery string with stable power supply in a series-parallel connection mode, and supply power for an external load.
As an alternative embodiment, the square cell integrated module 1 further includes at least one piece of insulation paper 70, and each piece of insulation paper 70 is disposed between two adjacent square cell groups 30.
The insulating paper 70 may be an Epoxy insulating board (Epoxy insulation board), a glass fiber insulating sheet, Nomex insulating paper 70, TFT composite insulating paper 70, highland barley paper, dupont paper, 18650 battery insulating paper 70, or the like. They all have good insulating properties and mechanical strength, and isolate the stacked square electric core groups 30.
Therefore, the phenomenon that the square single battery included by any one square battery core group 30 is in contact with other square single battery cores 31 due to the damage of the shell to cause the short circuit inside the battery can be avoided, and the safety of the square battery core integrated module 1 is improved.
Further, please refer to fig. 5, fig. 5 is a schematic structural diagram of the fixed main beam 20 according to an embodiment of the present invention. The fixed main beam 20 comprises a liquid cooling plate 21 and a placing plate 22, the liquid cooling plate 21 is fixedly connected with the placing plate 22, and the liquid cooling plate 21 and the placing plate 22 are of a T-shaped structure.
The liquid cooling plate 21 and the placing plate 22 may be made of aluminum, and the liquid cooling plate 21 and the placing plate 22 may be integrally formed or may be connected together by welding.
So, on the one hand liquid cold plate 21 can dispel the heat to square electric core group 30, avoids square electric core group 30's high temperature, and on the other hand, liquid cold plate 21 combines with mounting plate 22, still can provide the accommodation space for square electric core group 30, restricts square electric core group 30's position, guarantees the structural reliability and the system security of square electric core integrated form module 1.
Further, the square battery cell integrated module 1 further includes a heat dissipation member disposed on one side of each square battery cell group 30 close to the liquid cooling plate 21. The heat dissipation member includes one or more of a heat conductive structural adhesive or a heat conductive pad. So, on using the radiating basis of liquid cooling board 21, still use the radiating piece further to regulate and control the temperature of square battery group, can further guarantee the system security of square electric core integrated form module 1. Meanwhile, the heat dissipation piece can also be used as a buffer structure, when the square battery cell integrated module 1 is shaken due to external force, the buffer of the square battery cell group 30 is used, and the structural reliability of the square battery cell integrated module 1 is ensured.
The embodiment of the utility model provides a still provide a battery package, this battery package includes casing and foretell square electric core integrated form module 1, and 1 holding of square electric core integrated form module is in the casing.
The specific structure and implementation principle of the battery pack can refer to the prior art, and the specific structure and implementation principle of the battery pack of the square-cell integrated module 1 used in the battery pack can refer to the above detailed explanation for the square-cell integrated module 1, which is not described herein again.
The embodiment of the utility model provides a vehicle is still provided, including drive arrangement and foretell battery package, the battery package is connected with drive arrangement, and the battery package is used for providing power for drive arrangement.
The specific structure and implementation principle of the vehicle can refer to the prior art, and the specific structure and implementation principle of the square-cell integrated module 1 used in the battery pack of the vehicle can refer to the above detailed explanation of the square-cell integrated module 1, which is not described herein again.
To sum up, the embodiment of the utility model provides a square electric core integrated form module 1, battery package and vehicle, this square electric core integrated form module 1 is including preventing electric core expansion device 10, fixed girder 20, a plurality of square electric core group 30, two at least curb plates 40 and two at least end plates 50. The at least two side plates 40 are oppositely arranged, the end fixing main beams 20, which are connected with the at least two side plates 40, of the at least two end plates 50 are arranged between the at least two side plates 40, and two ends of the fixing main beams 20 are respectively connected with the at least two end plates 50. The at least two side plates 40, the at least two end plates 50 and the fixed main beam 20 together form an accommodating space, and the plurality of square electric core groups 30 are arranged in the accommodating space. Prevent that electric core expansion device 10 sets up in the accommodation space, and with the contact of a plurality of square electric core group 30 for take place deformation when preventing square electric core group 30 inflation, improved and led to other structures to take place the problem of deformation because of square electric core group 30 inflation, thereby improved the security.
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 (10)
1. A square battery cell integrated module is characterized by comprising a battery cell expansion prevention device, a fixed main beam, a plurality of square battery cell groups, at least two side plates and at least two end plates;
the at least two side plates are oppositely arranged, and the at least two end plates are connected to the end parts of the at least two side plates;
the fixed main beam is arranged between the at least two side plates, and two ends of the fixed main beam are respectively connected with the at least two end plates;
the at least two side plates, the at least two end plates and the fixed main beam form an accommodating space together, and the plurality of square electric core groups are arranged in the accommodating space;
prevent electric core expansion device set up in the accommodation space, and with a plurality of square electric core group contact is used for preventing take place deformation when square electric core group expands.
2. The square cell integrated module of claim 1, wherein the square cell pack comprises a plurality of overlapping square individual cells, the cell expansion prevention device further comprising at least one spacer plate;
each partition plate is arranged between every two overlapped square monomer battery cores.
3. The square cell integrated module of claim 2, wherein the cell expansion prevention device further comprises at least one cover plate;
every the apron lid closes in at least one square electric core group, and every the apron all with fixed girder passes through bolted connection.
4. The square cell integrated module of claim 3, wherein the cell expansion prevention device further comprises at least one strapping band;
each packing belt is arranged at one end, close to the side plate, of each square electric core group;
each packing belt is wound on each square electric core group.
5. The square-cell integrated module of claim 2, wherein each square cell comprises a positive electrode and a negative electrode, the positive electrode and the negative electrode are disposed at a same end of the square cell, and each side plate is disposed near an end of each square cell comprising the positive electrode and the negative electrode;
the square battery cell integrated module further comprises at least one current collecting plate, each current collecting plate is connected with the positive electrode of at least one square monomer battery cell, and/or each current collecting plate is connected with the negative electrode of at least one square monomer battery cell.
6. The square-cell integrated module according to claim 1, wherein the fixed main beam comprises a liquid cooling plate and a mounting plate, the liquid cooling plate is fixedly connected with the mounting plate, and the liquid cooling plate and the mounting plate are in a T-shaped structure;
the liquid cooling plate is used for dissipating heat of each square electric core group, and the mounting plate is used for mounting each square electric core group.
7. The square cell integrated module of claim 6, further comprising a heat sink disposed on a side of each square cell group adjacent to the liquid cooling plate;
the heat dissipation member includes one or more of a heat conductive structural adhesive or a heat conductive pad.
8. The square cell integrated module of claim 1, further comprising at least one piece of insulation paper, wherein each piece of insulation paper is disposed between two adjacent square cell groups.
9. A battery pack comprising a housing and the square-cell integrated module of any of claims 1-8, the square-cell integrated module being received within the housing.
10. A vehicle comprising a drive unit and the battery pack of claim 9, the battery pack being connected to the drive unit, the battery pack being configured to power the drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022664622.8U CN213636168U (en) | 2020-11-17 | 2020-11-17 | Square electric core integrated module, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022664622.8U CN213636168U (en) | 2020-11-17 | 2020-11-17 | Square electric core integrated module, battery pack and vehicle |
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| Publication Number | Publication Date |
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| CN213636168U true CN213636168U (en) | 2021-07-06 |
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| CN202022664622.8U Active CN213636168U (en) | 2020-11-17 | 2020-11-17 | Square electric core integrated module, battery pack and vehicle |
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