CN219203285U - LFP cylinder electricity mandrel group structure with heat conduction function - Google Patents
LFP cylinder electricity mandrel group structure with heat conduction function Download PDFInfo
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- CN219203285U CN219203285U CN202320115617.2U CN202320115617U CN219203285U CN 219203285 U CN219203285 U CN 219203285U CN 202320115617 U CN202320115617 U CN 202320115617U CN 219203285 U CN219203285 U CN 219203285U
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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 discloses an LFP cylindrical cell module structure with a heat conduction function, which comprises a cylindrical cell, a cylindrical cell module protection upper cover, a cylindrical cell support and a module heat conduction bottom plate, wherein the module heat conduction bottom plate is made of an aluminum material; the cylindrical battery cell module protection upper cover is detachably connected to the upper end of the cylindrical battery cell support, a plurality of battery cell mounting grooves are formed in the upper end of the module heat conduction bottom plate, accommodating cavities are formed in the cylindrical battery cell support corresponding to the battery cell mounting grooves, and the aperture of each accommodating cavity is larger than the inner diameter of each battery cell mounting groove; a guide post positioned at the upper end of the cylindrical battery cell bracket is arranged on the side wall of each accommodating cavity, and the side wall of the guide post extends into the corresponding accommodating cavity; limiting ribs are arranged in each accommodating cavity. The utility model is beneficial to transmitting the heat at the bottom of the battery cell to the outside, is convenient for subsequent maintenance, has enough strength to bear the self gravity of the battery cell, can not damage the cylindrical battery cell and prevents the cylindrical battery cell from shaking.
Description
Technical Field
The utility model belongs to the technical field of battery packs, and particularly relates to an LFP cylindrical battery cell module structure with a heat conduction function.
Background
The battery pack is an important component of the new energy technology and provides energy and power for the storage of the new energy automobile; the current battery cells in the battery pack are mainly divided into three types: square shell battery cell, soft package battery cell and cylinder battery cell. At present, square shells and soft packages are widely applied, and due to the fact that the assembly process of a cylindrical battery cell is complex, the cylindrical battery cell is less in utilization, particularly the volume of the cylindrical battery cell is small, wrong assembly can occur due to excessive quantity in the assembly process, and risks such as shaking of the battery cell caused by unreasonable design and the like when the battery cell is assembled into a plastic frame are caused; secondly, because the number of the cylindrical battery cells often assembled in the module is relatively large, the problem of heavy weight of the module is caused, the module itself has a certain bearing capacity in the design process needs to be considered, in addition, the battery cells can better realize heat transfer, which is an important factor to be considered by the current designer, and how to realize heat transfer generated by the cylindrical battery cells to the outside is a considerable problem. Finally, the number of the cylindrical battery cells is numerous, so that a designer is required to consider how to quickly detach the upper cover after one of the battery cells fails, and the problem of convenient maintenance and troubleshooting is also a factor to be paid attention to.
In view of the foregoing, there is a need for a new cylindrical cell module structure that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide an LFP cylindrical cell module structure with a heat conduction function, which is used for solving at least one of the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the LFP cylindrical battery cell module structure with the heat conduction function comprises a cylindrical battery cell, a cylindrical battery cell module protection upper cover, a cylindrical battery cell support and a module heat conduction bottom plate, wherein the cylindrical battery cell module protection upper cover, the cylindrical battery cell support and the module heat conduction bottom plate are sequentially arranged from top to bottom; the cylindrical battery cell module protection upper cover is detachably connected to the upper end of the cylindrical battery cell support, a plurality of battery cell mounting grooves are formed in the upper end of the module heat conduction bottom plate, a containing cavity for conveniently mounting the cylindrical battery cells is formed in the cylindrical battery cell support corresponding to each battery cell mounting groove, and the aperture of the containing cavity is larger than the inner diameter of the battery cell mounting groove; a guide post positioned at the upper end of the cylindrical battery cell bracket is arranged on the side wall of each accommodating cavity, and the side wall of the guide post extends into the corresponding accommodating cavity; limiting ribs are arranged in each accommodating cavity.
As an optimal technical scheme in the utility model, the cylindrical battery cell support is connected with the module heat conduction bottom plate through a first bolt, a first bottom plate bolt hole which is connected with the first bolt in a matching way is formed in the module heat conduction bottom plate, and a first support bolt hole which is connected with the first bolt in a matching way is formed in the cylindrical battery cell support.
As a preferable technical scheme in the utility model, the cylindrical cell module protection upper cover is provided with reinforcing ribs.
As an optimized technical scheme in the utility model, the cylindrical cell module protection upper cover is connected with the cylindrical cell support through a second bolt, a first upper cover bolt hole which is connected with the second bolt in a matching way is arranged on the cylindrical cell module protection upper cover, and a second support bolt hole which is connected with the second bolt in a matching way is arranged on the cylindrical cell support.
As a preferable technical scheme in the utility model, the second bracket bolt hole is a threaded hole of a threaded sleeve embedded in the cylindrical battery cell bracket, and the threaded sleeve and the cylindrical battery cell bracket are integrally formed.
As a preferable technical scheme in the utility model, the edge of the bolt hole of the first upper cover is provided with a reinforcing boss positioned at the lower end of the protective upper cover of the cylindrical cell module.
As a preferable technical scheme in the utility model, the second bolt penetrates through the module heat conduction bottom plate, and the module heat conduction bottom plate is provided with an avoidance hole which is convenient for the second bolt to penetrate through the module heat conduction bottom plate.
As a preferable technical scheme in the utility model, the lower end of the upper protection cover of the cylindrical battery cell module is provided with at least two first clamping parts, the upper end of the cylindrical battery cell bracket is provided with at least two second clamping parts, and each first clamping part is matched and clamped with one second clamping part.
As a preferable technical scheme in the utility model, the first clamping part comprises two wedge-shaped blocks, the middle of each wedge-shaped block is provided with a first clamping groove, the second clamping part comprises two wedge-shaped grooves, the middle of each wedge-shaped block is provided with a limiting plate, the limiting plates are matched and clamped in the first clamping grooves, and the two wedge-shaped blocks are matched and clamped in the two wedge-shaped grooves.
The beneficial effects are that:
1. the module heat conduction bottom plate is made of aluminum materials, the aluminum plates are good in heat conduction efficiency, and the design is also beneficial to transferring heat at the bottom of the battery cell to the outside.
2. The cylindrical battery cell module protection upper cover is detachably connected to the upper end of the cylindrical battery cell support, so that the problem that the structure is not damaged due to random disassembly can be solved, and further the subsequent investigation of the failure and maintenance of the cylindrical battery cell is facilitated.
3. The upper end of the die set heat conduction bottom plate is provided with the plurality of stamping forming battery cell mounting grooves, so that each cylindrical battery cell is conveniently arranged in the battery cell mounting groove, and the stamping forming can enable the battery cell mounting groove to have certain strength so as to bear the gravity of the battery cell.
4. The aperture of the accommodating cavity is larger than the inner diameter of the battery cell mounting groove, so that the cylindrical battery cell can be properly prevented from touching the accommodating cavity in the mounting process, and the accommodating cavity with high hardness can be prevented from damaging the cylindrical battery cell to a certain extent; and all be provided with the guide post that is located the cylinder electric core support upper end on every lateral wall that holds the cavity, the lateral wall of guide post extends to corresponding holding in the cavity, let the root of cylinder electric core contact with the guide post earlier in the assembly process, spacing through the guide post, guarantee to pack into the support smoothly at the assembly in-process cylinder electric core, avoid cylinder electric core simultaneously and hold the cavity touching, and the guide post is only a little cylinder, its surface hardness is weaker for holding the cavity some, even though the maloperation contacts with the guide post, can not produce how big the destruction to the cylinder electric core.
5. According to the utility model, each accommodating cavity is internally provided with the limiting ribs, so that the problem of shaking caused by tolerance after the cylindrical battery cell is arranged in the bracket can be prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic rear view of a cylindrical cell module protective cover according to the present utility model;
FIG. 3 is a schematic diagram of the assembly of a cylindrical cell holder and a module heat conducting base plate according to the present utility model;
FIG. 4 is a schematic front view of a cylindrical cell holder according to the present utility model;
FIG. 5 is a schematic view of the back of a cylindrical cell holder of the present utility model;
fig. 6 is a schematic structural diagram of a module heat conducting base plate in the present utility model.
In the figure: 1-a cylindrical cell support; 101-a guide column; 102-limiting ribs; 103-second bracket bolt holes; 104-limiting plates; 105-wedge grooves; 106-a first bracket bolt hole; 107-a receiving cavity; 2-a cylindrical cell; 3-a second bolt; 4-a module heat conduction bottom plate; 401-cell mounting slots; 402-first floor bolt holes; 403-avoiding holes; 5-a first bolt; 6-protecting an upper cover of the cylindrical cell module; 601-reinforcing ribs; 602-first upper cover bolt holes; 632-first card slot; 631-wedge blocks; 641-reinforcing bosses.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
Examples:
as shown in fig. 1-6, the embodiment provides an LFP cylindrical cell module structure with a heat conducting function, which comprises a cylindrical cell 2, a cylindrical cell module protection upper cover 6, a cylindrical cell support 1 and a module heat conducting bottom plate 4, wherein the cylindrical cell module protection upper cover, the cylindrical cell support 1 and the module heat conducting bottom plate 4 are sequentially installed from top to bottom, the module heat conducting bottom plate 4 is made of an aluminum material, the aluminum plate has good heat conducting efficiency, and the design is also beneficial to transmitting heat at the bottom of the cell to the outside.
Because the number Pang Duo of the cylindrical battery cells in the module is convenient for subsequent troubleshooting and maintenance of the cylindrical battery cells, the embodiment can realize random disassembly without damaging the structure by detachably connecting the cylindrical battery cell module protection upper cover 6 to the upper end of the cylindrical battery cell bracket 1; the upper end of module heat conduction bottom plate 4 is provided with a plurality of stamping forming's electric core mounting groove 401, conveniently lets every cylinder electric core 2 follow-up all pack into own electric core mounting groove 401 in, and stamping forming can make electric core mounting groove 401 have certain intensity, is enough to bear the gravity of electric core self.
The cylindrical battery cell bracket 1 corresponding to each battery cell mounting groove 401 is provided with the accommodating cavity 107 which is convenient for mounting the cylindrical battery cell 2, so that the cylindrical battery cell 2 can be conveniently installed into the battery cell mounting groove 401 after passing through the accommodating cavity 107, the aperture of the accommodating cavity 107 is larger than the inner diameter of the battery cell mounting groove 401, the cylindrical battery cell 2 can be properly prevented from touching the accommodating cavity 107 in the mounting process, and the accommodating cavity 107 with stronger hardness can be prevented from damaging the cylindrical battery cell 2 to a certain extent; the side wall of each accommodating cavity 107 is provided with the guide post 101 positioned at the upper end of the cylindrical battery cell bracket 1, the side wall of the guide post 101 extends into the corresponding accommodating cavity 107, the root of the cylindrical battery cell 2 is contacted with the guide post 101 in the assembly process, the guide post 101 is used for limiting, the cylindrical battery cell 2 can be smoothly arranged in the bracket in the assembly process, meanwhile, the cylindrical battery cell 2 is prevented from touching the accommodating cavity 107, the guide post 101 is only a small cylinder, the surface hardness of the guide post 101 is weaker than that of the accommodating cavity 107, and even if the guide post 101 is contacted by misoperation, the cylindrical battery cell 2 cannot be damaged; each accommodating cavity 107 is provided with a limiting rib 102, which can prevent the cylindrical battery cell 2 from shaking due to tolerance after being installed in the bracket.
As a preferred implementation manner in this embodiment, it needs to be further explained that the cylindrical battery cell support 1 is connected with the module heat conduction bottom plate 4 through the first bolt 5, the module heat conduction bottom plate 4 is provided with the first bottom plate bolt hole 402 that is connected with the first bolt 5 in a matching manner, and the cylindrical battery cell support 1 is provided with the first support bolt hole 106 that is connected with the first bolt 5 in a matching manner, so that the assembly and disassembly are convenient, the stability is good, and the later investigation of the failure and maintenance of the cylindrical battery cell are more convenient.
As a preferred embodiment of this embodiment, it should be further described that the reinforcing ribs 601 are provided on the upper protection cover 6 of the cylindrical cell module, so as to strengthen the strength of the upper protection cover 6 of the cylindrical cell module, and further strengthen the overall strength.
As a preferred implementation manner in this embodiment, it needs to be further explained that the cylindrical battery cell module protection upper cover 6 is connected with the cylindrical battery cell support 1 through the second bolt 3, the cylindrical battery cell module protection upper cover 6 is provided with a first upper cover bolt hole 602 in matching connection with the second bolt 3, the cylindrical battery cell support 1 is provided with a second support bolt hole 103 in matching connection with the second bolt 3, the assembly and the disassembly are convenient, the stability is good, and the later investigation of the failure and maintenance of the cylindrical battery cell are convenient.
As a preferred implementation manner in this embodiment, it should be further explained that the second bracket bolt hole 103 is a threaded hole of a threaded sleeve embedded in the cylindrical battery cell bracket 1, and the threaded sleeve is integrally formed with the cylindrical battery cell bracket 1, so as to improve the rigidity at the connection position of the second bolt 3 and the cylindrical battery cell bracket 1.
As a preferred implementation manner in this embodiment, it should be further explained that the edge of the first upper cover bolt hole 602 is provided with a reinforcing boss 641 located at the lower end of the upper protective cover 6 of the cylindrical cell module, so as to improve the strength of the connection portion of the upper protective cover 6 of the cylindrical cell module, and further enhance the structural stability of the upper protective cover 6 of the cylindrical cell module.
As a preferred implementation manner in this embodiment, it needs to be further described that the second bolt 3 penetrates through the module heat conducting bottom plate 4, and the module heat conducting bottom plate 4 is provided with a avoiding hole 403 that facilitates the second bolt 3 penetrating through the module heat conducting bottom plate 4, so that the cylindrical cell module protection upper cover 6, the cylindrical cell support 1 and the module heat conducting bottom plate 4 are connected into a whole, and also facilitates connection between the second bolt 3 and an external structure.
As a preferred implementation manner in this embodiment, it should be further explained that at least two first clamping portions are provided at the lower end of the upper protection cover 6 of the cylindrical battery cell module, at least two second clamping portions are provided at the upper end of the cylindrical battery cell support 1, each first clamping portion is engaged with one second clamping portion in a matching manner, and the first clamping portion and the second clamping portion are engaged to achieve a limiting effect.
As a preferred embodiment in this embodiment, it should be further explained that the first clamping portion includes two wedge-shaped blocks 631 with a first clamping groove 632 in the middle, so that the first clamping portion forms a similar crab-shaped clip structure, the second clamping portion includes two wedge-shaped grooves 105 with a limiting plate 104 in the middle, the limiting plate 104 is matched and clamped in the first clamping groove 632, and the two wedge-shaped blocks 631 are matched and clamped in the two wedge-shaped grooves 105, so as to realize a limiting effect in two directions, so that the stability of the structure is better.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The LFP cylindrical battery cell module structure with the heat conduction function is characterized by comprising a cylindrical battery cell (2), a cylindrical battery cell module protection upper cover (6), a cylindrical battery cell bracket (1) and a module heat conduction bottom plate (4), wherein the cylindrical battery cell module protection upper cover, the cylindrical battery cell bracket (1) and the module heat conduction bottom plate (4) are sequentially arranged from top to bottom, and the module heat conduction bottom plate (4) is made of an aluminum material; the cylindrical battery cell module protection upper cover (6) is detachably connected to the upper end of the cylindrical battery cell support (1), a plurality of battery cell mounting grooves (401) are formed in the upper end of the module heat conduction bottom plate (4), a containing cavity (107) which is convenient for installing the cylindrical battery cell (2) is formed in the cylindrical battery cell support (1) corresponding to each battery cell mounting groove (401), and the aperture of the containing cavity (107) is larger than the inner diameter of the battery cell mounting groove (401); a guide post (101) positioned at the upper end of the cylindrical cell bracket (1) is arranged on the side wall of each accommodating cavity (107), and the side wall of the guide post (101) extends into the corresponding accommodating cavity (107); limiting ribs (102) are arranged in each accommodating cavity (107).
2. The LFP cylindrical cell module structure with the heat conducting function according to claim 1, wherein the cylindrical cell support (1) is connected with the module heat conducting base plate (4) through a first bolt (5), a first base plate bolt hole (402) which is in matched connection with the first bolt (5) is formed in the module heat conducting base plate (4), and a first support bolt hole (106) which is in matched connection with the first bolt (5) is formed in the cylindrical cell support (1).
3. The LFP cylindrical cell module structure with the heat conducting function according to claim 1, wherein the cylindrical cell module protection upper cover (6) is provided with a reinforcing rib (601).
4. The LFP cylindrical cell module structure with the heat conducting function according to claim 1, wherein the cylindrical cell module protection upper cover (6) is connected with the cylindrical cell support (1) through a second bolt (3), a first upper cover bolt hole (602) which is in matched connection with the second bolt (3) is arranged on the cylindrical cell module protection upper cover (6), and a second support bolt hole (103) which is in matched connection with the second bolt (3) is arranged on the cylindrical cell support (1).
5. The LFP cylindrical cell module structure with the heat conducting function according to claim 4, wherein the second bracket bolt hole (103) is a threaded hole of a threaded sleeve embedded in the cylindrical cell bracket (1), and the threaded sleeve and the cylindrical cell bracket (1) are integrally formed.
6. The LFP cylindrical cell module structure with the heat conducting function according to claim 4 or 5, wherein the edge of the first upper cover bolt hole (602) is provided with a reinforcing boss (641) positioned at the lower end of the cylindrical cell module protection upper cover (6).
7. The LFP cylindrical cell module structure with the heat conducting function according to claim 4, wherein the second bolt (3) penetrates through the module heat conducting base plate (4), and the module heat conducting base plate (4) is provided with a avoiding hole (403) which facilitates the second bolt (3) to penetrate through the module heat conducting base plate (4).
8. The LFP cylindrical cell module structure with the heat conducting function according to claim 1, wherein at least two first clamping parts are arranged at the lower end of the cylindrical cell module protection upper cover (6), at least two second clamping parts are arranged at the upper end of the cylindrical cell support (1), and each first clamping part is matched and clamped with one second clamping part.
9. The LFP cylindrical cell module structure with the heat conducting function according to claim 8, wherein the first clamping portion comprises two wedge-shaped blocks (631) with first clamping grooves (632) in the middle, the second clamping portion comprises two wedge-shaped grooves (105) with limiting plates (104) in the middle, the limiting plates (104) are clamped in the first clamping grooves (632) in a matching mode, and the two wedge-shaped blocks (631) are clamped in the two wedge-shaped grooves (105) in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115617.2U CN219203285U (en) | 2023-01-12 | 2023-01-12 | LFP cylinder electricity mandrel group structure with heat conduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115617.2U CN219203285U (en) | 2023-01-12 | 2023-01-12 | LFP cylinder electricity mandrel group structure with heat conduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219203285U true CN219203285U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320115617.2U Active CN219203285U (en) | 2023-01-12 | 2023-01-12 | LFP cylinder electricity mandrel group structure with heat conduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219203285U (en) |
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2023
- 2023-01-12 CN CN202320115617.2U patent/CN219203285U/en active Active
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