CN218957906U - Energy storage battery pack and battery core partition board thereof - Google Patents
Energy storage battery pack and battery core partition board thereof Download PDFInfo
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- CN218957906U CN218957906U CN202222928356.4U CN202222928356U CN218957906U CN 218957906 U CN218957906 U CN 218957906U CN 202222928356 U CN202222928356 U CN 202222928356U CN 218957906 U CN218957906 U CN 218957906U
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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
Abstract
The utility model relates to the technical field of new energy batteries and discloses an energy storage battery pack and a battery core partition board thereof, wherein the energy storage battery pack comprises a top plate, a bottom plate and connecting ribs, the top plate, the bottom plate and the connecting ribs are made of plastic materials, connecting tables extending in the length direction are arranged on the top plate and the bottom plate, supporting edges are formed on the top plate and the bottom plate on two sides of the connecting tables in the width direction, the upper end and the lower end of the connecting ribs are respectively connected to the connecting tables, and the width of the connecting tables is larger than that of the connecting ribs so as to form an air channel between the connecting ribs and a battery core. The cost of the plastic is far lower than that of the aluminum profile, so that the cost of the whole battery cell separator is reduced; the supporting edges at two sides of the connecting table are of an open structure, so that the battery cells with different specifications can be compatible by controlling the interval between the battery cells and the connecting table, and the universal rate is improved; after the side edges of the battery cells are attached to the connecting table, an interval is formed between the battery cells and the connecting ribs, and an air duct is formed at the interval, so that the heat dissipation requirement of the battery cells in a high-rate charge-discharge application scene can be met.
Description
Technical Field
The utility model relates to the technical field of new energy batteries, in particular to an energy storage battery pack and a battery core partition board thereof.
Background
The energy storage battery pack is mainly used for storing electric energy, has wide application in the fields of solar power generation, wind power generation and renewable energy sources, and has the advantages of large battery capacity, stable running performance and long service life. The energy storage battery pack comprises a plurality of electric cores, and the tops of the electric cores can be connected together by adopting a wire row to form a whole. In order to ensure the safety of the battery cell during charging and discharging, the battery cell needs to obtain good heat dissipation so as to control the temperature of the battery cell.
The existing energy storage battery pack battery cells are fixed in a binding mode by adopting a binding belt, and the assembly mode between the battery cells comprises three modes of arranging aluminum profile partition plates between adjacent battery cells, surrounding the whole battery cells by adopting plastic partition plates or not assembling the partition plates. When the aluminum profile partition plate is used for assembling the electric core, the price of a single aluminum profile is usually more than 19 yuan, and the cost is high; when the whole battery cell is wrapped by the plastic partition board, the specifications of the battery cell are more, including 280AH, 202AH and the like, and the sizes of the single battery cells are inconsistent, so that the plastic partition board cannot be compatible with the battery cells with different sizes; when the partition plate is not used for assembly, under the application scene of high-rate charge and discharge of the battery cells, no air channel exists between the battery cells, and the battery cells cannot dissipate heat in high-rate charge and discharge, so that the temperature is high.
Disclosure of Invention
The purpose of the utility model is that: the battery core separator for the battery pack is provided to solve the problems of higher cost of the battery core aluminum profile separator and poor packaging compatibility of the plastic separator in the prior art; the utility model also provides an energy storage battery pack using the battery cell separator.
In order to achieve the above purpose, the utility model provides a battery cell separator for a battery pack, which comprises a top plate, a bottom plate and connecting ribs connected between the top plate and the bottom plate, wherein the top plate, the bottom plate and the connecting ribs are made of plastic materials, connecting tables extending along the length direction are arranged on the top plate and the bottom plate, supporting edges for supporting a battery cell are formed on two sides of the connecting tables in the width direction of the top plate and the bottom plate, the upper end and the lower end of the connecting ribs are respectively connected to the connecting tables, and the width of the connecting tables is larger than that of the connecting ribs so as to form an air duct between the connecting ribs and the battery cell.
Preferably, the difference between the width of the connecting table and the width of the connecting rib is in the range of 5-10mm.
Preferably, the width of the connecting table is 8mm, and the width of the connecting rib is 2mm.
Preferably, the connecting rib comprises a vertical edge and a horizontal edge, the vertical edge and the horizontal edge form a closed structure, the horizontal edge is arranged on the connecting table, and the vertical edge is vertically connected with the horizontal edge.
Preferably, the width of the vertical edge is greater than the height of the horizontal edge.
Preferably, the top plate and the bottom plate each comprise a plate body and L-shaped end plates arranged at two ends of the plate body, the L-shaped end plates are used for wrapping the battery cells, the width of each L-shaped end plate is larger than that of the plate body, and the height of each L-shaped end plate is equal to that of the connecting table.
Preferably, the connecting table is further provided with a plurality of grooves, and a plurality of grooves are arranged in an array.
The utility model also provides an energy storage battery pack, which comprises a plurality of electric cores and a partition board, wherein the electric cores are arranged in parallel, the partition board is arranged between two adjacent electric cores, and the partition board is the electric core partition board according to any technical scheme.
Compared with the prior art, the energy storage battery pack and the battery core partition board thereof have the beneficial effects that: the top plate, the bottom plate and the connecting ribs are all made of plastic, and the cost of the plastic is far lower than that of an aluminum profile, so that the cost of the whole battery cell separator is reduced; meanwhile, the plastic partition board adopts the supporting edges to support the battery cells, the supporting edges at two sides of the connecting table are of an open structure, and the battery cells with different specifications can be compatible by controlling the interval between the battery cells and the connecting table, so that the die opening cost is reduced, and the general rate is improved; because the width of connecting rib is less than the width of connecting bench, the side of electric core forms the interval behind the laminating connecting bench between electric core and the connecting rib, and this interval has formed the wind channel, can satisfy the heat dissipation demand of electric core under high multiplying power charge-discharge application scenario.
Drawings
Fig. 1 is a schematic structural view of a battery cell separator for a battery pack according to the present utility model;
fig. 2 is a front view of the battery separator for the battery pack of fig. 1;
FIG. 3 is a side view of the battery cell separator of FIG. 1 for a battery pack;
FIG. 4 is a schematic view of the assembly of a cell separator with a cell for a battery pack of the present utility model;
fig. 5 is a schematic structural view of the energy storage battery pack of the present utility model.
In the figure, 1, a top plate, 2, a bottom plate, 3, connecting ribs, 31, vertical edges, 32, horizontal edges, 4, connecting tables, 5, supporting edges, 6, a plate body, 7, an L-shaped end plate, 8, a groove, 9 and an electric core.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
A preferred embodiment of a battery cell separator for a battery pack of the present utility model, as shown in fig. 1 to 4, includes a top plate 1, a bottom plate 2, and connection ribs 3, the top plate 1 and the bottom plate 2 being arranged in parallel at intervals in a vertical direction, the connection ribs 3 being connected between the top plate 1 and the bottom plate 2, the top plate 1, the bottom plate 2, and the connection ribs 3 forming an integral frame structure.
The top plate 1, the bottom plate 2 and the connecting ribs 3 are made of plastic, and the cost of the plastic is far lower than that of an aluminum profile, so that the cost of the whole battery cell partition plate is reduced. In this embodiment, the top plate 1, the bottom plate 2 and the connecting ribs 3 are integrally formed, and can be formed by a set of dies, so that the manufacturing cost is reduced, and the manufacturing efficiency is improved.
The top plate 1 and the bottom plate 2 are respectively provided with a connecting table 4, the connecting tables 4 extend along the length directions of the top plate 1 and the bottom plate 2, and the length directions of the top plate 1 and the bottom plate 2 are perpendicular to the arrangement directions of the electric cores 9 as the electric core partition plates are arranged between two adjacent electric cores 9. In the present embodiment, the connection table 4 is arranged in the middle of the top plate 1 and the bottom plate 2 in the width direction, so that the top plate 1 and the bottom plate 2 have a symmetrical structure.
The roof 1, bottom plate 2 all have the support along 5 in the both sides of the width direction of connection platform 4, and the support along 5 is used for supporting electric core 9, and electric core 9 supports the both sides of arranging at connection platform 4 through the support along 5 promptly, and adjacent two electric cores 9 separate through connection platform 4. The support edge 5 is of an open structure, and the battery cells 9 with different specifications can be compatible by controlling the distance between the battery cells 9 and the connecting table 4, so that the die sinking cost is reduced, and the universal rate is improved.
The connecting rib 3 connects the top plate 1 and the bottom plate 2 into a whole, the upper end and the lower end of the connecting rib 3 are respectively connected on the connecting table 4, the width of the connecting table 4 is larger than that of the connecting rib 3, and the width directions of the connecting table 4 and the connecting rib 3 are the arrangement directions of the electric cores 9. Because the width of the connecting table 4 is greater than the width of the connecting rib 3, after the side edge of the battery cell 9 is attached to the connecting table 4, an interval is formed between the battery cell 9 and the connecting rib 3, and an air channel is formed at the interval, so that the heat dissipation requirement of the battery cell 9 in a high-rate charge-discharge application scene can be met.
Preferably, the difference between the width of the connecting table 4 and the width of the connecting rib 3 is in the range of 5-10mm.
The difference between the width of the connecting table 4 and the width of the connecting ribs 3 is 5-10mm, so that the interval between the connecting ribs 3 and the edge of one side of the connecting table 4 is 2.5-5mm, the range can ensure that the interval between the connecting ribs 3 and the battery cells 9 forms an air channel, and the situation that the energy density of the battery pack is reduced due to overlarge distance between the adjacent battery cells 9 can be avoided.
Preferably, the width of the connection table 4 is 8mm and the width of the connection rib 3 is 2mm.
The width of the connecting table 4 adopts 8mm, the width of the connecting rib 3 adopts 2mm, the size of the interval is 3mm at the moment, the interval can ensure that the air duct has good ventilation and heat dissipation effects, and the energy density of the battery pack can also be ensured.
Preferably, the connecting rib 3 comprises a vertical edge 31 and a horizontal edge 32, the vertical edge 31 and the horizontal edge 32 enclose a closed structure, the horizontal edge 32 is arranged on the connecting table 4, and the vertical edge 31 is vertically connected with the horizontal edge 32.
The vertical edge 31 and the horizontal edge 32 of the connecting rib 3 enclose a closed structure, so that the structural strength of the connecting rib 3 is increased, and meanwhile, the horizontal edge 32 is arranged on the connecting table 4, so that the horizontal edge 32 and the connecting table 4 are integrally formed, the contact area between the connecting rib 3 and the connecting table 4 is increased, and the structural strength of the whole battery cell separator is increased.
Preferably, the vertical edges 31 have a width that is greater than the height of the lateral edges 32.
The width direction of the vertical edge 31 is perpendicular to the arrangement direction of the battery cells 9, and the structural strength of the connecting rib 3 can be increased by increasing the width of the vertical edge 31 due to the large size of the battery cell separator in the direction.
Preferably, the top plate 1 and the bottom plate 2 each comprise a plate body 6 and L-shaped end plates 7 arranged at two ends of the plate body 6, the L-shaped end plates 7 are used for wrapping the battery cells 9, the width of the L-shaped end plates 7 is larger than that of the plate body 6, and the height of the L-shaped end plates 7 is equal to that of the connecting table 4.
The L-shaped end plate 7 can be wrapped with the battery cell 9 and forms a stop assembly, so that the battery cell 9 is limited, and the battery cell 9 is prevented from being separated from the battery cell partition plate. The width of the L-shaped end plate 7 is larger than that of the plate body 6, so that the wrapping area among the top plate 1, the bottom plate 2 and the battery cells 9 can be increased, and the stability of the battery cells 9 after arrangement can be improved. The L-shaped end plate 7 has the height equal to that of the connecting table 4, so that the die structure is simplified, and the cost of the die processing and injection molding process is reduced.
In the present embodiment, the connection table 4 is arranged on the plate body 6, and the portions of the plate body 6 on both sides in the width direction of the connection table 4 form the support edges 5.
Preferably, the connecting table 4 is further provided with a plurality of grooves 8, and the plurality of grooves 8 are arranged in an array.
The grooves 8 enable the connecting table 4 to be of a hollow structure, so that the local thickness of the battery cell partition plate can be prevented from being too thick, shrinkage is generated during injection molding, and the weight of the battery cell partition plate can be reduced.
The utility model also provides an energy storage battery pack, as shown in fig. 5, which comprises a plurality of electric cores and a baffle plate, wherein the electric cores are arranged in parallel, the baffle plate is arranged between two adjacent electric cores, and the specific structure of the baffle plate is the same as that of the electric core baffle plate in any embodiment, and the description is not repeated here.
In summary, the embodiment of the utility model provides an energy storage battery pack and a battery cell separator thereof, wherein a top plate, a bottom plate and connecting ribs are all made of plastic, and the cost of plastic is far lower than that of an aluminum profile, so that the cost of the whole battery cell separator is reduced; meanwhile, the plastic partition board adopts the supporting edges to support the battery cells, the supporting edges at two sides of the connecting table are of an open structure, and the battery cells with different specifications can be compatible by controlling the interval between the battery cells and the connecting table, so that the die opening cost is reduced, and the general rate is improved; because the width of connecting rib is less than the width of connecting bench, the side of electric core forms the interval behind the laminating connecting bench between electric core and the connecting rib, and this interval has formed the wind channel, can satisfy the heat dissipation demand of electric core under high multiplying power charge-discharge application scenario.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. The utility model provides a electric core baffle for battery package, its characterized in that, is in including roof, bottom plate and connection the roof with the joint bar between the bottom plate, the roof the bottom plate with the joint bar is the plastic material, the roof with all be provided with on the bottom plate along the connection platform that length direction extends, the roof the bottom plate in the both sides of the width direction of connection platform all shaping has the support edge that is used for supporting electric core, the upper and lower both ends of joint bar are connected respectively on the connection platform, the width of connection platform is greater than the width of joint bar is in order to form the wind channel between joint bar and the electric core.
2. The cell separator for a battery pack according to claim 1, wherein the difference between the width of the connection pad and the width of the connection rib ranges from 5 to 10mm.
3. The cell separator for a battery pack according to claim 2, wherein the width of the connection land is 8mm and the width of the connection rib is 2mm.
4. A cell separator for a battery pack according to any one of claims 1 to 3, wherein the connecting ribs comprise vertical edges and lateral edges, the vertical edges and the lateral edges enclosing a closed structure, the lateral edges being arranged on the connecting table, the vertical edges being connected perpendicularly to the lateral edges.
5. The cell separator for a battery pack of claim 4, wherein the width of the vertical sides is greater than the height of the lateral sides.
6. A cell separator for a battery pack according to any one of claims 1 to 3, wherein the top plate and the bottom plate each comprise a plate body and L-shaped end plates disposed at both ends of the plate body, the L-shaped end plates being for wrapping the cells, the L-shaped end plates having a width greater than that of the plate body, and the L-shaped end plates having a height equal to that of the connection stage.
7. A cell separator for a battery pack according to any one of claims 1 to 3, wherein the connection stage is further provided with a plurality of grooves, a plurality of the grooves being arranged in an array.
8. An energy storage battery pack comprising a plurality of electric cores and a partition board, wherein the electric cores are arranged in parallel, and the partition board is arranged between two adjacent electric cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222928356.4U CN218957906U (en) | 2022-11-01 | 2022-11-01 | Energy storage battery pack and battery core partition board thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222928356.4U CN218957906U (en) | 2022-11-01 | 2022-11-01 | Energy storage battery pack and battery core partition board thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218957906U true CN218957906U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222928356.4U Active CN218957906U (en) | 2022-11-01 | 2022-11-01 | Energy storage battery pack and battery core partition board thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218957906U (en) |
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2022
- 2022-11-01 CN CN202222928356.4U patent/CN218957906U/en active Active
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