CN218548634U - Battery module - Google Patents
Battery module Download PDFInfo
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- CN218548634U CN218548634U CN202221835866.0U CN202221835866U CN218548634U CN 218548634 U CN218548634 U CN 218548634U CN 202221835866 U CN202221835866 U CN 202221835866U CN 218548634 U CN218548634 U CN 218548634U
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- battery box
- battery
- plate
- bottom shell
- bottom plate
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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, which comprises a battery box, a battery core and an installation crossbeam; the battery box comprises a U-shaped battery box bottom shell, battery box end plates arranged at two ends of the battery box bottom shell and a battery box upper cover arranged on the battery box bottom shell; a runner plate is integrated on a bottom shell bottom plate of the battery box bottom shell, the battery cell is positioned in the battery box bottom shell, and a flexible heat-conducting adhesive layer is arranged between the bottom surface of the battery cell and the bottom shell bottom plate; the battery box end plate is connected with the mounting cross beam. The utility model discloses a battery module, simple structure, firm in connection, drain pan bottom plate and runner plate constitute the liquid cooling bottom plate, have arranged flexible heat-conducting glue layer between the bottom surface of electric core and drain pan bottom plate, and the heat-conducting glue layer can fill the clearance between the bottom surface of full electric core and the drain pan bottom plate, has increased the heat transfer area between the bottom surface of electric core and the drain pan bottom plate, can give the liquid cooling bottom plate with electric core heat fast transfer and carry out the heat transfer, has improved the heat conduction effect.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a battery module.
Background
The battery module comprises a box body and a battery cell installed in the box body. The box body comprises a bottom plate, two side plates, two end plates and a top cover. The bottom plate is the rectangle, and the curb plate is connected on two long edges of bottom plate, and the end plate is connected on two short edges of bottom plate, and the top cap lid is on the open-top of two blocks of curb plates and two tip. Current battery module can be provided with the runner plate on the bottom plate to electric core cooling. The bottom of the battery cell is in contact with the bottom plate to conduct heat. However, the bottom of the battery cell is not necessarily flat and cannot be completely attached to the bottom plate, so that the effective area of heat conduction is reduced, and the heat conduction effect of the battery cell is still to be improved.
In view of this, it is necessary to provide a battery module with good heat conduction effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a battery module that heat conduction effect is good.
The technical scheme of the utility model provides a battery module, which comprises a battery box, an electric core arranged in the battery box and mounting beams connected with the two ends of the battery box;
the battery box comprises a U-shaped battery box bottom shell, battery box end plates arranged at two ends of the battery box bottom shell and a battery box upper cover arranged on the battery box bottom shell;
a runner plate is integrated on a bottom shell bottom plate of the battery box bottom shell, the battery cell is positioned in the battery box bottom shell, and a flexible heat-conducting adhesive layer is arranged between the bottom surface of the battery cell and the bottom shell bottom plate;
the battery box end plate is connected with the mounting cross beam.
The utility model provides a battery module, drain pan bottom plate and runner plate constitute the liquid cooling bottom plate, have arranged flexible heat-conducting glue layer between the bottom surface of electric core and the drain pan bottom plate, and the heat-conducting glue layer can fill the clearance between the bottom surface of full electric core and the drain pan bottom plate, has increased the heat transfer area between the bottom surface of electric core and the drain pan bottom plate, can give the liquid cooling bottom plate with electric core heat fast transfer and carry out the heat transfer, has improved the heat conduction effect.
In one optional technical scheme, the heat-conducting adhesive layer is bonded on the bottom shell bottom plate, so that the stability between the heat-conducting adhesive layer and the bottom shell bottom plate is improved, and stable heat transfer is facilitated.
In one optional technical scheme, two ends of the bottom plate of the bottom shell are provided with extension plates, and the extension plates are provided with water nozzles communicated with flow channels on the flow channel plates; the water injection well choke is in the outside of battery box end plate is convenient for with cooling water path connection.
In one of the optional technical scheme, the extension plate is provided with an extension plate through hole for the water nozzle to pass through, the water nozzle passes through the extension plate through hole, the water nozzle is welded with the extension plate, the water nozzle is conveniently connected with the extension plate, and the connection structure is firm.
In one optional technical scheme, the battery box end plate is welded with the battery box bottom shell, the battery box upper cover is welded with the battery box bottom shell, a battery box is conveniently formed, and the connecting structure is stable.
In one optional technical scheme, the runner plate is welded below the bottom shell bottom plate, so that the runner plate is connected with the bottom shell bottom plate conveniently, and the connecting structure is stable.
In one optional technical scheme, the battery box end plates are lapped on the mounting cross beams, and the battery box end plates are connected with the mounting cross beams through two bolts arranged at intervals, so that the battery box end plates and the mounting cross beams are convenient to disassemble and assemble.
In an alternative solution, two vertically extending column portions are arranged at intervals outside the battery box end plate, column portion through holes for the bolts to pass through are formed in the column portions, the bolts pass through the column portion through holes and are connected with the mounting cross beam, and the stability of bolt connection is improved by the arrangement of the column portions.
In an alternative technical scheme, a reinforcing frame is arranged on the outer side of the battery box end plate and connected between the two column portions, and the structural strength between the two column portions is improved.
In one optional technical scheme, the column part, the reinforcing frame and the battery box end plate are integrally formed, so that the processing and forming are convenient, and the structural strength is high.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a battery module, simple structure, firm in connection, drain pan bottom plate and runner plate constitute the liquid cooling bottom plate, have arranged flexible heat-conducting glue layer between the bottom surface of electric core and drain pan bottom plate, and the heat-conducting glue layer can fill the clearance between the bottom surface of full electric core and the drain pan bottom plate, has increased the heat transfer area between the bottom surface of electric core and the drain pan bottom plate, can give the liquid cooling bottom plate with electric core heat fast transfer and carry out the heat transfer, has improved the heat conduction effect.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a cross-sectional view of a battery module according to an embodiment of the present invention;
fig. 2 is an exploded view of a cell and a battery box;
FIG. 3 is an exploded view of the bottom shell of the battery box;
fig. 4 is a perspective view of an end plate of the battery case.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-3, an embodiment of the present invention provides a battery module, which includes a battery box 1, a battery cell 2 installed in the battery box 1, and an installation beam 3 connected to two ends of the battery box 1.
The battery box 1 includes a U-shaped bottom case 11, battery box end plates 12 mounted at both ends of the bottom case 11, and a battery box upper cover 13 mounted on the bottom case 11.
A runner plate 113 is integrated on a bottom case bottom plate 111 of the battery case bottom case 11, the battery cell 2 is located in the battery case bottom case 11, and a flexible heat-conducting adhesive layer 14 is arranged between the bottom surface of the battery cell 2 and the bottom case bottom plate 111.
The battery box end plate 12 is connected to the mounting cross member 3.
The utility model provides a battery module is new energy automobile's power battery. The utility model provides a battery module includes battery box 1, electric core 2 and two installation crossbeams 3. The battery box 1 is hexahedron, and the battery core 2 is installed in the battery box 1. The two mounting beams 3 are arranged at intervals along the length direction of the battery box 1, and the battery box 1 is positioned between the two mounting beams 3. Two mounting cross beams 3 are connected with the battery box 1, and the mounting cross beams 3 are used for being connected with a vehicle body so as to fix the battery box 1.
The battery box 1 comprises a battery box bottom shell 11, two battery box end plates 12 and a battery box upper cover 13. The battery box bottom 11 is U-shaped, and includes a bottom base plate 111 and bottom side plates 112 connected to two long sides of the bottom base plate 111, a flow channel plate 113 is integrated on the bottom base plate 111, and a flow channel 1131 is provided on the flow channel plate 113 for circulating a cooling liquid. Therefore, the bottom chassis 111 and the runner plate 113 are liquid-cooled bottom plates. The two bottom shell side plates 112 and the bottom shell bottom plate 111 are integrally formed.
Two battery box end plates 12 are connected to two ends of the U-shaped battery box bottom shell 11, and the battery box end plates 12 are connected to the end portions of the bottom shell side plate 112 and the bottom shell bottom plate 111.
The cells 2 are in a U-shaped battery compartment bottom shell 11. In order to improve the heat transfer performance between the battery cell 2 and the bottom plate 111, a flexible heat conductive adhesive layer 14 is disposed between the bottom surface of the battery cell 2 and the bottom plate 111. The thermal conductive adhesive layer 14 may be a silicone layer.
The upper battery box cover 13 is connected to the top of the U-shaped bottom shell 11 of the battery box, and the upper battery box cover 13 is simultaneously connected with the upper ends of the two end plates 12 of the battery box and the side plates 112 of the bottom shell.
The battery box end plates 12 at the two ends are respectively connected with the two mounting cross beams 3 through connecting pieces.
The utility model provides a battery module, drain pan bottom plate 111 constitutes the liquid cooling bottom plate with runner plate 113, has arranged flexible heat-conducting glue layer 14 between the bottom surface of electric core 2 and drain pan bottom plate 111, and heat-conducting glue layer 14 can fill the clearance between the bottom surface of full electric core 2 and drain pan bottom plate 111, has increased the heat transfer area between the bottom surface of electric core 2 and drain pan bottom plate 111, can give the liquid cooling bottom plate with 2 heat fast transfer of electric core and carry out the heat transfer, has improved the heat conduction effect.
In one embodiment, the thermal adhesive layer 14 is adhered to the bottom chassis 111.
In this embodiment, the thermal adhesive layer 14 is bonded on the top surface of the bottom chassis 111 in advance through glue, so as to improve the stability between the thermal adhesive layer 14 and the bottom chassis 111. After the battery cell 2 is installed, the battery cell 2 is pressed on the heat conducting adhesive layer 14, the bottom surface of the battery cell 2 is in contact with the heat conducting adhesive layer 14 for heat transfer,
in one embodiment, as shown in fig. 2-3, the bottom plate 111 has extension plates 1111 at two ends, and the extension plates 1111 have water nozzles 114 communicating with the flow channel 1131 on the flow channel plate 113. The water nozzle 114 is located on the outer side of the battery box end plate 12.
In this embodiment, the bottom chassis 111 has extension plates 1111 at both ends in the longitudinal direction, and accordingly, the flow channel plate 113 also has flow channel plate extensions, which are located below the extension plates 1111. The battery case end plate 12 rests on the extension plate 1111, and the extension plate 1111 extends outward to the outside of the battery case end plate 12. And the extension plate 1111 is provided with a water nozzle 114, the water nozzle 114 is communicated with the flow channel 1131, and the water nozzle 114 is positioned on the outer side of the battery box end plate 12 and is conveniently connected with an external cooling water path.
In one embodiment, as shown in fig. 3, an extension plate through hole 1112 for the water nozzle 114 to pass through is formed in the extension plate 1111, the water nozzle 114 passes through the extension plate through hole 1112, and the water nozzle 114 is welded to the extension plate 1111.
In this embodiment, the extension plate 1111 has an extension plate through hole 1112, and the water nozzle 114 passes through the extension plate through hole 1112 downwards, and then welds the water nozzle 114 and the extension plate 1111 through brazing, so that the water nozzle 114 and the extension plate 1111 are connected conveniently, and the connection structure is firm.
In one embodiment, the battery box end plate 12 is welded to the battery box bottom shell 11, and the battery box upper cover 13 is welded to the battery box bottom shell 11.
In this embodiment, two battery box end plates 12 are welded with the ends of the bottom case bottom plate 111 and the bottom case side plate 112 by brazing at the same time, and the battery box upper cover 13 is welded with the tops of the battery box end plates 12 and the bottom case side plate 112 by brazing at the same time, so that the battery box 1 is conveniently formed, and the connection structure is stable.
In one embodiment, the runner plate 113 is welded to the bottom of the bottom housing 111.
In this embodiment, the flow channel plate 113 is located below the bottom base plate 111, and the flow channel plate 113 and the bottom base plate 111 are welded by brazing, so that the flow channel plate 113 is connected to the bottom base plate 111 conveniently, and the connection structure is stable.
In one embodiment, as shown in fig. 1-2, the battery box end plate 12 is lapped on the mounting cross beam 3, and the battery box end plate 12 is connected with the mounting cross beam 3 through two spaced bolts 4.
In this embodiment, the battery box end plate 12 is connected to the mounting cross member 3 by two bolts 4, and the battery box end plate 12 is lapped on the step surface of the mounting cross member 3. The two bolts 4 are arranged at intervals in the width direction of the battery case 1. The mounting cross beam 3 is internally provided with a threaded hole, and the lower end of the bolt 4 is connected into the mounting cross beam 3, so that the battery box end plate 12 and the mounting cross beam 3 can be conveniently dismounted.
In one embodiment, as shown in fig. 2 and 4, two vertically extending column portions 121 are arranged at intervals on the outer side of the battery box end plate 12, the column portions 121 have column portion through holes 1211 for passing bolts 4, and the bolts 4 pass through the column portion through holes 1211 and are connected with the mounting cross member 3.
In this embodiment, two column portions 121 are disposed on the outer side of the battery box end plate 12, and the column portions 121 may be square columns or circular columns. The column portions 121 extend vertically, and two column portions 121 are arranged at intervals in the width direction of the battery case 1. Each of the column portions 121 has a column portion through hole 1211 extending vertically therethrough. When connected, the bolt 4 passes through the column through hole 1211 and is connected to the lower mounting beam 3. By providing the cylindrical portion 121, a mounting portion is provided for the bolt 4, and the stability of the connection of the bolt 4 is improved. By providing the column portion 121, the overall thickness of the battery box end plate 12 does not need to be increased, which contributes to weight reduction of the structure.
In one embodiment, as shown in fig. 2 and 4, the outer side of the battery box end plate 12 has a reinforcing frame 122, and the reinforcing frame 122 is connected between the two column portions 121.
In this embodiment, a reinforcing frame 122 is further disposed on the outer side of the battery box end plate 12, and the reinforcing frame 122 is connected between the two column portions 121, so that the structural strength between the two column portions 121 is improved.
In one embodiment, the column portion 121 and the reinforcing frame 122 are integrally formed with the battery box end plate 12. The column part 121, the reinforcing frame 122 and the battery box end plate 12 are all metal parts, can be integrally cast and formed, are convenient to machine and form, and have high structural strength.
According to the requirements, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A battery module is characterized by comprising a battery box, a battery core installed in the battery box and installation beams connected to two ends of the battery box;
the battery box comprises a U-shaped battery box bottom shell, battery box end plates arranged at two ends of the battery box bottom shell and a battery box upper cover arranged on the battery box bottom shell;
a runner plate is integrated on a bottom shell bottom plate of the battery box bottom shell, the battery cell is positioned in the battery box bottom shell, and a flexible heat-conducting adhesive layer is arranged between the bottom surface of the battery cell and the bottom shell bottom plate;
the battery box end plate is connected with the mounting cross beam.
2. The battery module according to claim 1, wherein the thermal conductive adhesive layer is adhered to the bottom chassis base.
3. The battery module according to claim 1, wherein the bottom shell bottom plate has extension plates at both ends thereof, and the extension plates have water nozzles communicated with the flow channels on the flow channel plate;
the water nozzle is positioned on the outer side of the battery box end plate.
4. The battery module according to claim 3, wherein the extension plate is provided with an extension plate through hole for the water nozzle to pass through, the water nozzle passes through the extension plate through hole, and the water nozzle is welded with the extension plate.
5. The battery module according to claim 1, wherein the battery box end plate is welded to the battery box bottom shell, and the battery box upper cover is welded to the battery box bottom shell.
6. The battery module according to claim 1, wherein the flow channel plate is welded under the bottom chassis base.
7. The battery module according to any one of claims 1-6, wherein the cell box end plates are lapped on the mounting cross beam, and the cell box end plates are connected with the mounting cross beam through two spaced bolts.
8. The battery module according to claim 7, wherein two vertically extending column parts are arranged at intervals on the outer side of the battery box end plate, and the column parts are provided with column part through holes for the bolts to pass through;
the bolt penetrates through the through hole of the column part and is connected with the mounting cross beam.
9. The battery module according to claim 8, wherein the outer side of the battery box end plate has a reinforcing frame connected between the two column portions.
10. The battery module according to claim 9, wherein the column portions, the reinforcing frame, and the cell box end plates are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835866.0U CN218548634U (en) | 2022-07-14 | 2022-07-14 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835866.0U CN218548634U (en) | 2022-07-14 | 2022-07-14 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218548634U true CN218548634U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221835866.0U Active CN218548634U (en) | 2022-07-14 | 2022-07-14 | Battery module |
Country Status (1)
| Country | Link |
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| CN (1) | CN218548634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024187320A1 (en) * | 2023-03-10 | 2024-09-19 | 厦门新能达科技有限公司 | Battery pack, electric device and manufacturing method for battery pack |
-
2022
- 2022-07-14 CN CN202221835866.0U patent/CN218548634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024187320A1 (en) * | 2023-03-10 | 2024-09-19 | 厦门新能达科技有限公司 | Battery pack, electric device and manufacturing method for battery pack |
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Effective date of registration: 20230815 Granted publication date: 20230228 |