CN219717013U - Can reduce battery module of top utmost point ear end calorific capacity - Google Patents
Can reduce battery module of top utmost point ear end calorific capacity Download PDFInfo
- Publication number
- CN219717013U CN219717013U CN202320216047.6U CN202320216047U CN219717013U CN 219717013 U CN219717013 U CN 219717013U CN 202320216047 U CN202320216047 U CN 202320216047U CN 219717013 U CN219717013 U CN 219717013U
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- CN
- China
- Prior art keywords
- module
- battery module
- battery
- insulating plate
- top tab
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 14
- 230000020169 heat generation Effects 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000005422 blasting Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a battery module capable of reducing the heating value of a top tab end, which comprises an air channel insulating plate, a plurality of electric cores arranged together, module end plates positioned at two ends of the electric cores arranged together in the length direction, and a steel belt binding the electric cores and the module end plates together. The utility model can effectively improve the heat dissipation efficiency of the battery module and greatly improve the charge and discharge multiplying power of the battery module.
Description
Technical field:
the utility model relates to a battery module capable of reducing heat productivity of a top tab end, and belongs to the technical field of square battery modules.
The background technology is as follows:
in the battery system, the battery system cannot perform high-rate playback due to the problem of heat generation of the battery cells, and battery performance is limited. The cooling of the battery cells is not performed on the bottom or the side surface of the battery cells in the market. Simulation shows that the relationship between the heat generated by the three large surfaces of the battery cell is as follows: the heating value of the top lug end is larger than the heating value of the side surface is larger than the heating value of the bottom surface.
Therefore, if the heat productivity of the top tab of the battery module is effectively reduced, the technical problem that needs to be solved by those skilled in the art is always needed.
The utility model comprises the following steps:
the utility model aims to solve the problems in the prior art and provide a battery module capable of reducing the heating value of the top tab end, which can improve the heat dissipation efficiency of the battery module and greatly improve the charge and discharge multiplying power of the battery module.
The utility model adopts the technical scheme that: the utility model provides a can reduce battery module of top tab end calorific capacity, includes wind channel insulation board, a plurality of electric core that arrange together, be located the module end plate of above-mentioned electric core length direction both ends that arrange together and tie up the steel band that is in the same place above-mentioned electric core and module end plate, has placed the module insulation board on the above-mentioned electric core upper surface that arranges place aluminium bar on the module insulation board, aluminium bar is fixed with the module insulation board after welding mutually with the electric core, it has a plurality of spaced apart heat conduction structural adhesive to bond on the aluminium bar, all bonds at every heat conduction structural adhesive and has radiating fin, the length direction of wind channel insulation board inboard surface is sunken to be formed with the wind channel, the wind channel is divided into first region and second region with the inboard surface of wind channel insulation board, radiating fin buckle installs in first region and second region, integrated into one piece has the intermediate separator that divides into two in the wind channel.
Further, a plurality of buckling parts are formed in the first area and the second area of the air duct insulating plate in a protruding mode, the inner side surface of the air duct insulating plate is divided into a plurality of installation areas by the buckling parts, and the radiating fins are installed in the installation areas in a buckling mode.
Further, two ends of each battery cell in the length direction are respectively protruded to form battery cell lugs, and a position, opposite to the battery cell lugs, on the module insulating plate is formed with a position avoiding hole for the battery cell lugs to pass through.
Further, a welding process hole for the battery cell tab to pass through is formed in the position, opposite to the battery cell tab, on the aluminum bar.
Further, an electric gap isolation plate capable of isolating the radiating fins on two sides of the air channel insulating plate is integrally formed on the inner side surface of the air channel insulating plate.
Further, an insulating seat is embedded and connected on the module end plate.
Furthermore, fences are respectively arranged on two side walls of the air channel insulating plate in the length direction, so that heat dissipation of the whole air channel insulating plate is facilitated.
Further, grooves are formed in the bottoms of the radiating fins in a recessed mode at positions, where the bottoms of the radiating fins are in contact with the heat conducting structural adhesive.
Further, spaced through holes are formed in the electric gap isolation plate, nut columns embedded with nuts are formed in positions, opposite to the through holes, of the module insulating plate, bolts penetrate through the through holes, and the bolts penetrate through the through holes and are screwed into the nut columns.
Further, a blasting port is formed between two battery cell lugs of each battery cell, and a blasting channel is formed at a position, opposite to the blasting port, on the module insulating plate.
The utility model has the following beneficial effects:
(1) The heat dissipation efficiency of the battery module can be effectively improved, and the charge and discharge multiplying power of the battery module is greatly improved.
(2) The uniformity of the temperature of the battery cells of the battery module is ensured, and the service life of the battery module is prolonged.
Description of the drawings:
fig. 1 is an exploded view of a battery module capable of reducing the heat generation amount of a top tab end according to the present utility model.
FIG. 2 is a schematic diagram of a modular insulation board.
Fig. 3 is a schematic diagram of a heat conduction path.
Fig. 4 is an assembled schematic view of a battery module capable of reducing the heat generation amount of the top tab end according to the present utility model.
The specific embodiment is as follows:
the utility model is further described below with reference to the accompanying drawings.
The utility model relates to a battery module capable of reducing the heating value of a top tab end, which comprises a plurality of battery cells 10 which are arranged together, module end plates 9 which are positioned at two ends of the battery cells 10 which are arranged together in the length direction, and a steel belt 11 which ties the battery cells 10 and the module end plates 9 together. The module end plate 9 is embedded and connected with an insulating seat 7, the upper surface of the arranged battery cells 10 is provided with module insulating plates 6, two ends of each battery cell 10 in the length direction are respectively protruded to form battery cell lugs 12, and the positions of the module insulating plates 6 opposite to the battery cell lugs 12 are provided with avoiding holes 13 for the battery cell lugs 12 to pass through. An aluminum bar 5 is placed on the module insulating plate 6, a welding process hole 14 for allowing the battery core tab 12 to pass through is formed in the position, opposite to the battery core tab 12, of the aluminum bar 5, and the module insulating plate 6 can be fixed after the welding process hole 14 on the aluminum bar 5 is welded with the battery core tab 12.
A plurality of spaced heat conducting structural adhesives 4 are adhered to the aluminum bar 5, and each heat conducting structural adhesive 4 is adhered with a radiating fin 3. The number of the heat-conducting structural adhesive 4 is the same as the number of the radiating fins 3.
The radiating fins 3 are buckled in the air channel insulating plate 2, an air channel 21 is formed in a recessed mode in the length direction of the inner side surface of the air channel insulating plate 2, and the inner side surface of the air channel insulating plate 2 is divided into a first area and a second area through the air channel 21. A plurality of fastening parts 20 are formed in a protruding manner in both the first region and the second region of the duct insulating plate 2, and the inner side surface of the duct insulating plate 2 is partitioned into a plurality of mounting regions 22 by the fastening parts 20, and the heat radiating fins 3 are fastened and mounted in the mounting regions 22. The electric gap isolation plates 23 are integrally formed on the inner side surfaces of the air duct insulating plates 2, and the electric gap isolation plates 23 can isolate the radiating fins 3 positioned on two sides of the electric gap isolation plates, so that the creepage distance is increased. The electrical gap spacer 23 is formed with spaced apart through holes 25.
An intermediate partition plate 24 for dividing the air duct into two is integrally formed in the air duct 21, and fence bars are respectively arranged on two side walls of the air duct insulating plate 2 in the length direction so as to facilitate heat dissipation of the whole air duct insulating plate 2.
The bottom of the radiating fin 3 is concavely provided with a groove at the position contacted with the heat conduction structural adhesive 4, the groove at the bottom can ensure the bonding thickness of the heat conduction structural adhesive, the bonding thickness of the heat conduction structural adhesive has a direct relation with the connection strength, and the product safety is improved. The heat conduction structure adhesive 4 can fully ensure the effective heat conduction area of the aluminum bar 5 and the radiating fins 3, improves the heat conduction efficiency, ensures the bonding strength of the aluminum bar 5 and the radiating fins 3, and improves the safety of products.
A nut post 60 with a nut embedded therein is formed on the module insulating plate 6 at a position opposite to the through hole 25 of the electric gap isolation plate 23, and the bolt 1 is screwed into the nut post 60 after passing through the through hole 25 to connect the air duct insulating plate 2 and the module insulating plate 6 together.
A blasting hole 16 is formed between two battery cell lugs 12 of each battery cell 10, a blasting channel 61 is formed at a position opposite to the blasting hole 16 on the module insulating plate 6, and the battery cells 10 are blasted and then emitted out through the blasting hole 16 and then the blasting channel 61, so that the safety of the battery module is improved.
According to the battery module capable of reducing the heating value of the top tab end, the two ends of the battery module are used for air inlet, the middle of the battery module is separated by the middle partition board 24, so that the heat dissipation efficiency is improved, the uniformity of the temperature of the battery cell of the module is ensured, and the specific heat conduction paths are as follows: the heat on the radiating fins 3 is finally dissipated through cold air through the air charging pipeline, the battery cell 10, the aluminum bar 5, the heat conduction structural adhesive 4, the radiating fins 3 and the air outlet. The heat dissipation efficiency of the battery module can be effectively improved, and the charge and discharge multiplying power of the battery module is greatly improved.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (10)
1. Can reduce battery module of top utmost point ear end calorific capacity, its characterized in that: including wind channel insulation board (2), a plurality of electric core (10) that arrange together, be located the module end plate (9) of above-mentioned electric core (10) length direction both ends that arrange together and tie up steel band (11) that are in the same place electric core (10) and module end plate (9) above-mentioned electric core (10) upper surface that arrange together module insulation board (6) place aluminium bar (5) on module insulation board (6), aluminium bar (5) are welded with electric core (10) after in order to fix module insulation board (6), it has a plurality of spaced apart heat conduction structural adhesive (4) to bond on aluminium bar (5), all bonds in every heat conduction structural adhesive (4) radiating fin (3), the length direction recess of wind channel insulation board (2) medial surface is formed with wind channel (21), wind channel (21) divide into first region and second region with the medial surface of wind channel insulation board (2), buckle fin (3) are installed in first region and second region, one in wind channel (21) is with the middle of two division shaping baffles (24).
2. The battery module capable of reducing the heat productivity of the top tab end according to claim 1, wherein: a plurality of buckling parts (20) are formed in the first area and the second area of the air duct insulating plate (2) in a protruding mode, the buckling parts (20) divide the inner side surface of the air duct insulating plate (2) into a plurality of mounting areas (22), and the radiating fins (3) are installed in the mounting areas (22) in a buckling mode.
3. The battery module capable of reducing the heat productivity of the top tab end according to claim 2, wherein: and two ends of each battery cell (10) in the length direction are respectively protruded to form battery cell lugs (12), and a position, opposite to the battery cell lugs (12), on the module insulating plate (6) is formed with a position avoiding hole (13) for the battery cell lugs (12) to pass through.
4. The battery module capable of reducing the heat generation amount of the top tab end according to claim 3, wherein: and a welding process hole (14) for allowing the battery core lug (12) to pass through is formed in the position, opposite to the battery core lug (12), of the aluminum bar (5).
5. The battery module capable of reducing the heat generation amount of the top tab end according to claim 4, wherein: and the inner side surface of the air duct insulating plate (2) is integrally formed with an electric gap isolation plate (23) which can isolate the radiating fins (3) positioned at the two sides of the air duct insulating plate.
6. The battery module capable of reducing the heat generation amount of the top tab end according to claim 5, wherein: an insulating seat (7) is embedded and connected on the module end plate (9).
7. The battery module of claim 6, wherein the top tab terminal provides reduced heat generation, and further comprising: and the two side walls of the air duct insulating plate (2) in the length direction are respectively provided with a fence so as to facilitate heat dissipation of the whole air duct insulating plate (2).
8. The battery module of claim 7, wherein the top tab terminal provides reduced heat generation, and further comprising: and grooves are formed in the bottoms of the radiating fins (3) in a recessed mode at positions where the bottoms of the radiating fins are contacted with the heat conducting structural adhesive (4).
9. The battery module of claim 8, wherein the top tab terminal provides reduced heat generation, and further comprising: the electric gap isolation plate (23) is provided with spaced through holes (25), nut columns (60) embedded with nuts are formed at positions, opposite to the through holes (25), of the module insulation plate (6), bolts (1) are arranged in the through holes (25) in a penetrating mode, and the bolts (1) are screwed into the nut columns (60) after penetrating through the through holes (25).
10. The battery module of claim 9, wherein the top tab terminal provides reduced heat generation, and further comprising: explosion vents (16) are formed between two battery cell lugs (12) of each battery cell (10), and explosion channels (61) are formed at positions, opposite to the explosion vents (16), on the module insulating plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216047.6U CN219717013U (en) | 2023-02-15 | 2023-02-15 | Can reduce battery module of top utmost point ear end calorific capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216047.6U CN219717013U (en) | 2023-02-15 | 2023-02-15 | Can reduce battery module of top utmost point ear end calorific capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219717013U true CN219717013U (en) | 2023-09-19 |
Family
ID=87984483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320216047.6U Active CN219717013U (en) | 2023-02-15 | 2023-02-15 | Can reduce battery module of top utmost point ear end calorific capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219717013U (en) |
-
2023
- 2023-02-15 CN CN202320216047.6U patent/CN219717013U/en active Active
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