CN217848164U - Battery pack shell and battery pack - Google Patents
Battery pack shell and battery pack Download PDFInfo
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- CN217848164U CN217848164U CN202221693061.7U CN202221693061U CN217848164U CN 217848164 U CN217848164 U CN 217848164U CN 202221693061 U CN202221693061 U CN 202221693061U CN 217848164 U CN217848164 U CN 217848164U
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- supporting
- battery pack
- shell
- battery
- 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 relates to a power battery technical field particularly, relates to a battery package casing and battery package. The battery shell comprises a first shell, a second shell, a supporting component and a plurality of radiating components; the first shell and the second shell are movably connected and form an accommodating cavity for accommodating a plurality of battery cells together; the supporting assembly comprises a bottom plate and a plurality of supporting tables; the bottom plate is connected with the bottom of the accommodating cavity; the supporting tables are sequentially connected to one side, away from the bottom of the accommodating cavity, of the bottom plate at intervals along a preset direction, radiating parts are formed in the area between any two adjacent supporting tables, and each radiating part correspondingly accommodates one radiating assembly; wherein, two arbitrary adjacent brace tables all are used for supporting the same electric core that is located the holding intracavity. The battery pack shell has high integral rigidity and strength and simple structure, thereby reducing the manufacturing and assembling cost; and the assembly is convenient, and the production efficiency can be improved.
Description
Technical Field
The utility model relates to a power battery technical field particularly, relates to a battery package casing and battery package.
Background
In the power battery industry, the new energy automobile battery pack shell is a main component of a rigid framework of a whole automobile besides meeting the requirement of structural strength rigidity of a battery system, and simultaneously meets the requirements of internal and external decoration of the whole automobile and corresponding hanging part mounting points;
the existing shell structure mainly aims at meeting the requirements of internal module installation, external automobile body matching, overall strength rigidity of a battery pack and overall air tightness of the battery pack, and has the problems of complex structure and poor rigidity in the interior.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery pack shell and a battery pack, which have high integral rigidity and strength and simple structure, thereby reducing the manufacturing and assembling cost; and the assembly is convenient, and the production efficiency can be improved.
The embodiment of the utility model is realized like this:
in a first aspect, the present invention provides a battery pack case, which includes a first case, a second case, a support assembly and a plurality of heat dissipation assemblies;
the first shell and the second shell are movably connected and form an accommodating cavity for accommodating a plurality of battery cells together;
the supporting assembly comprises a bottom plate and a plurality of supporting tables; the bottom plate is connected to the bottom of the accommodating cavity; the supporting tables are sequentially connected to one side, away from the bottom of the accommodating cavity, of the bottom plate at intervals along a preset direction, radiating parts are formed in the area between any two adjacent supporting tables, and each radiating part correspondingly accommodates one radiating assembly;
wherein, two arbitrary adjacent brace tables all are used for supporting same electric core that is located the holding intracavity.
In an optional embodiment, the heat dissipation assembly comprises a heat conduction silica gel pad, a water heat flat pipe and heat insulation foam which are sequentially stacked;
the heat-conducting silica gel pad is used for being attached to the battery cell and the heat-insulating foam is attached to the bottom plate.
In an alternative embodiment, the bottom plate comprises a plurality of sub-plate bodies, the sub-plate bodies are spliced to the inner bottom of the first housing, and at least one support platform is connected to each sub-plate body.
In an optional embodiment, the bottom plate is provided with a plurality of grooves, and the plurality of grooves are all positioned in the area of the bottom plate facing the heat dissipation part.
In an optional embodiment, the upper surface of each support table is provided with a limiting table in a protruding manner, and one side of each limiting table facing the heat dissipation part is used for abutting against the side surface of the battery cell.
In an optional embodiment, the support assembly further includes a plurality of support pieces, and a support piece is disposed between each support table and the contact surface of the battery cell.
In an alternative embodiment, each support comprises a first support part and a second support part, and the first support part is connected with the second support part;
the first supporting part is located between the contact surface of the supporting table and the battery cell, and the second supporting part is located between the battery cell and the supporting limiting table.
In an alternative embodiment, the first and second support portions are L-shaped.
In an alternative embodiment, two adjacent supports connected to the same support table are connected to each other.
In a second aspect, the present invention provides a battery pack, which includes the above battery pack case and a plurality of battery cells;
a plurality of electric cores are arranged along preset direction, and any one electric core is all with two adjacent brace table butts.
The utility model discloses beneficial effect includes:
the battery shell comprises a first shell, a second shell, a supporting component and a plurality of heat dissipation components; the first shell and the second shell are movably connected and form an accommodating cavity for accommodating a plurality of battery cells together; the supporting assembly comprises a bottom plate and a plurality of supporting tables; the bottom plate is connected to the bottom of the accommodating cavity; the supporting tables are sequentially connected to one side, away from the bottom of the containing cavity, of the bottom plate at intervals along a preset direction, heat dissipation parts are formed in the area between any two adjacent supporting tables, and each heat dissipation part correspondingly contains one heat dissipation assembly; wherein, two arbitrary adjacent brace tables all are used for supporting the same electric core that is located the holding intracavity. The battery pack shell has high integral rigidity and strength and simple structure, thereby reducing the manufacturing and assembling cost; and the assembly is convenient, and the production efficiency can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a battery pack according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery pack according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the first housing and the supporting component according to the embodiment of the present invention;
FIG. 4 is a partial schematic view of FIG. 3 at A;
fig. 5 is a cross-sectional view of a battery pack according to an embodiment of the present invention;
FIG. 6 is a partial schematic view of FIG. 5 at B;
FIG. 7 is a partial schematic view at C of FIG. 5;
fig. 8 is a schematic structural diagram of a supporting member according to an embodiment of the present invention.
200-battery pack; 210-a cell; 100-a battery pack housing; 110-a first housing; 120-a second housing; 130-a support assembly; 140-a heat sink assembly; 101-a containing cavity; 131-a bottom plate; 132-a support table; 102-a heat sink; 141-heat conductive silica gel pad; 142-water heat flat pipe; 143-heat insulation foam; 133-a sub-plate body; 134-grooves; 135-a limit station; 136-a support; 137-a first support part; 138-second support.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to fig. 1 to fig. 6, the present embodiment provides a battery pack 200, where the battery pack 200 includes a battery pack case 100 and a plurality of battery cells 210;
the battery pack case 100 includes a first case 110, a second case 120, a supporting member 130, and a plurality of heat dissipation members 140;
the first casing 110 and the second casing 120 are movably connected and together form an accommodating cavity 101 for accommodating a plurality of battery cells 210; the support assembly 130 includes a base plate 131 and a plurality of support tables 132; the bottom plate 131 is connected to the bottom of the accommodating chamber 101; the supporting platforms 132 are sequentially connected to one side, away from the bottom of the accommodating cavity 101, of the bottom plate 131 at intervals along a preset direction, heat dissipation parts 102 are formed in the area between any two adjacent supporting platforms 132, and each heat dissipation part 102 correspondingly accommodates one heat dissipation assembly 140; any two adjacent support tables 132 are used for supporting the same battery cell 210 in the accommodating cavity 101;
and a plurality of electric cores 210 are arranged along the preset direction, and any one electric core 210 all butts with two adjacent supporting tables 132.
Referring to fig. 1 to 6, the working principle of the battery pack 200 is as follows:
the battery pack 200 includes a battery pack case 100 and a plurality of battery cells 210; the battery pack case 100 includes a first case 110, a second case 120, a supporting member 130, and a plurality of heat dissipation members 140; the first casing 110 and the second casing 120 are movably connected and together form an accommodating cavity 101 for accommodating a plurality of battery cells 210; therefore, the accommodating cavity 101 can be opened or closed through the relative movement between the first casing 110 and the second casing 120, so that the installation and the disassembly of the battery cell 210 of the battery pack 200 can be facilitated;
the supporting assembly 130 includes a bottom plate 131 and a plurality of supporting platforms 132, the bottom plate 131 is connected to the bottom of the accommodating chamber 101; the plurality of supporting platforms 132 are sequentially connected to one side of the bottom plate 131 departing from the bottom of the accommodating cavity 101 at intervals along a preset direction, and any two adjacent supporting platforms 132 are used for supporting the same battery cell 210 located in the accommodating cavity 101. Therefore, when the plurality of battery cells 210 are arranged along the preset direction, the plurality of support tables 132 can support the battery cells 210 in the accommodating cavity 101, and the support tables 132 and the bottom plate 131 can improve the overall rigidity and strength of the battery pack 200;
in the process of arranging the plurality of supporting tables 132, the plurality of supporting tables 132 are arranged in sequence along the preset direction, so that the heat dissipation part 102 is formed in the area between any two adjacent supporting tables 132, and each heat dissipation part 102 correspondingly accommodates one heat dissipation assembly 140; therefore, through the arrangement mode, the support table 132 can support the battery cell 210 and can lift the battery cell 210 to enable the bottom of the battery cell 210 to be spaced from the bottom of the accommodating cavity 101, so that the heat dissipation part 102 for accommodating the heat dissipation assembly 140 is formed, through the arrangement mode, the installation steps of the heat dissipation assembly 140 can be simplified, the installation efficiency is improved, and due to the fact that an independent area for accommodating the heat dissipation assembly 140 can be formed, the heat dissipation assembly 140 can be protected.
In summary, the battery pack case 100 has high overall rigidity and strength and a simple structure, so that the manufacturing and assembly costs can be reduced; and the assembly is convenient, and the production efficiency can be improved.
Further, referring to fig. 1 to 7, in the present embodiment, the heat dissipation assembly 140 includes a heat conductive silica gel pad 141, a hydrothermal flat tube 142, and a heat insulation foam 143 stacked in sequence; the heat-conducting silica gel pad 141 is used for being attached to the battery cell 210, and the heat-insulating foam 143 is attached to the bottom plate 131. It should be noted that, the plurality of water heat flat pipes 142 are all communicated with the heat dissipation water pipe, so as to form a heat dissipation circulation loop.
In the present embodiment, in order to simplify the installation process of the bottom plate 131 when the bottom plate 131 is disposed, the bottom plate 131 may be manufactured separately, that is, the bottom plate 131 includes a plurality of sub-plate bodies 133, the sub-plate bodies 133 are spliced to the inner bottom of the first housing 110, and each sub-plate body 133 is connected to at least one support platform 132. In order to increase the strength of the base plate 131, the base plate 131 is provided with a plurality of grooves 134, and the plurality of grooves 134 are all located in a region of the base plate 131 facing the heat dissipation portion 102. In this way, while the strength of the bottom plate 131 is increased and the support performance of the support assembly 130 is improved, the grooves 134 are all located in the region where the bottom plate 131 faces the heat dissipation portion 102, so that the support effect on the heat dissipation assembly 140 can be improved, and deformation of the bottom plate 131 for supporting the heat dissipation assembly 140 in the use process is prevented, so that the heat conduction effect among the heat conduction silica gel pad 141, the hydrothermal flat pipe 142 and the heat insulation foam 143 of the heat dissipation assembly 140 is weakened, and the stability of the heat dissipation performance can be maintained.
Further, when the support table 132 is disposed, the support table 132 is used for supporting the battery cell 210, and the support table 132 is located on one side of the bottom plate 131 away from the bottom of the accommodating cavity 101, that is, the contact position between the support table 132 and the battery cell 210 is located on the bottom surface thereof, so that the support function for the battery cell 210 is improved, therefore, the upper surface of each support table 132 is convexly provided with the limit table 135, and one side of each limit table 135, which faces the heat dissipation portion 102, is used for abutting against the side surface of the battery cell 210. Therefore, in such a setting mode, the limiting table 135 can play a role in limiting the position of the battery cell 210, that is, when the battery cell 210 is displaced relative to the base plate 131, the limiting table 135 can support and limit the battery cell 210 in a manner of abutting against the side surface of the battery cell 210, so that the installation stability of the battery cell 210 is improved.
In the above description, when the support base 132 and the stopper base 135 are provided, the support base 132 and the stopper base 135 may be provided integrally with the corresponding bottom plate 131 or may be provided separately and connected by welding or the like.
Based on the above, referring to fig. 1 to fig. 8, in the present embodiment, in order to improve the stability of the support, the support assembly 130 further includes a plurality of support members 136, and the support member 136 is disposed between each support platform 132 and the contact surface of the battery cell 210. Specifically, when the supporting members 136 are provided, each supporting member 136 includes a first supporting portion 137 and a second supporting portion 138 (as shown by D in fig. 8), and the first supporting portion 137 is connected to the second supporting portion 138; the first supporting portion 137 is located between the contact surfaces of the supporting platform 132 and the battery cell 210, and the second supporting portion 138 is located between the battery cell 210 and the supporting limiting platform 135. The first and second support portions 137 and 138 are L-shaped.
When the support member 136 is provided, the support member 136 is provided in order to improve the supporting capability of the battery cell 210, and the height of the support can be adjusted by adjusting the thicknesses of the first support portion 137 and the second support portion 138 of the support member 136, and by such an arrangement, the maintenance cost of the battery pack 200 can be reduced by replacing the support member 136.
In addition, in the present embodiment, when the support members 136 are provided, two adjacent support members 136 connected to the same support table 132 are connected to each other. That is, in the predetermined direction, the supporting members 136 at both ends are L-shaped members, and the supporting members 136 at the middle position are connected to each other (as shown by E in fig. 8); specifically, in this embodiment, the supporting platform 132 located at the middle position is used for supporting two adjacent battery cells 210, and therefore, the supporting members 136 located at the middle position are connected to each other, so that the supporting platform 132 located at the middle position can be sleeved on the limiting platform 135, and therefore the position of the supporting platform can be limited by the matching between the supporting platform and the limiting platform 135, and the displacement of the supporting platform is prevented. Here, the middle support table 132 refers to the rest of the support tables 132 except the support tables 132 located at both ends in the preset direction, and the middle support 136 refers to the rest of the support tables 136 except the support tables 136 located at both ends in the preset direction.
To sum up, referring to fig. 1 to 8, the battery pack 200 in this embodiment can form a multi-stage support by disposing the support table 132, the limiting table 135 and the support member 136 therein, so as to be directly used as an installation base point of the battery cell 210 and a partition for arranging the battery modules, thereby meeting the assembly requirement of the whole pack integrated dieless pack; meanwhile, due to the arrangement, a partition can be formed between the two adjacent support tables 132, so that the heat dissipation part 102 for mounting the heat dissipation assembly 140 is formed, a mounting space is provided for the heat insulation foam 143, the water-cooling flat pipe and the heat conduction silica gel pad 141, and the requirement of heat management of the battery system is met; and the design of the supporting component 130 improves the integral rigidity and strength, simplifies the assembly process and improves the production efficiency.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery pack housing, comprising:
the battery shell comprises a first shell, a second shell, a supporting component and a plurality of heat dissipation components;
the first shell and the second shell are movably connected and form an accommodating cavity for accommodating a plurality of battery cells together;
the support assembly comprises a bottom plate and a plurality of support tables; the bottom plate is connected to the bottom of the accommodating cavity; the supporting tables are sequentially connected to one side, away from the bottom of the accommodating cavity, of the bottom plate at intervals along a preset direction, heat dissipation parts are formed in the area between any two adjacent supporting tables, and each heat dissipation part correspondingly accommodates one heat dissipation assembly;
and any two adjacent supporting platforms are used for supporting the same electric core in the containing cavity.
2. The battery pack housing of claim 1, wherein:
the heat dissipation assembly comprises a heat conduction silica gel pad, a hydrothermal flat tube and heat insulation foam which are sequentially stacked;
the heat-conducting silica gel pad is used for being attached to the battery cell, and the heat-insulating foam is attached to the bottom plate.
3. The battery pack housing of claim 1, wherein:
the bottom plate includes a plurality of subplate bodies, and is a plurality of subplate body concatenation in the inner bottom of first casing, and every all be connected with at least one on the subplate body the brace table.
4. The battery pack housing of claim 1, wherein:
the bottom plate is provided with a plurality of grooves, and the grooves are all located in the area, opposite to the heat dissipation part, of the bottom plate.
5. The battery pack housing of claim 1, wherein:
every the upper surface of brace table all convexly is equipped with spacing platform, every spacing platform towards one side of radiating part all be used for with the side butt of electricity core.
6. The battery pack housing of claim 5, wherein:
the supporting assembly further comprises a plurality of supporting pieces, and the supporting pieces are arranged between the supporting platforms and the contact surface of the battery cell.
7. The battery pack housing of claim 6, wherein:
each support piece comprises a first support part and a second support part, and the first support part is connected with the second support part;
the first supporting part is located between the supporting platform and the contact surface of the battery cell, and the second supporting part is located between the battery cell and the supporting limiting platform.
8. The battery pack housing of claim 7, wherein:
the first supporting part and the second supporting part are L-shaped.
9. The battery pack housing of claim 6, wherein:
two adjacent supporting pieces connected with the same supporting platform are connected with each other.
10. A battery pack, comprising:
the battery pack comprises a battery pack shell as claimed in any one of claims 1 to 9 and a plurality of battery cells;
a plurality of the electric core is arranged along the preset direction, and any one of the electric core is abutted against the two adjacent supporting tables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221693061.7U CN217848164U (en) | 2022-06-30 | 2022-06-30 | Battery pack shell and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221693061.7U CN217848164U (en) | 2022-06-30 | 2022-06-30 | Battery pack shell and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217848164U true CN217848164U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221693061.7U Active CN217848164U (en) | 2022-06-30 | 2022-06-30 | Battery pack shell and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217848164U (en) |
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- 2022-06-30 CN CN202221693061.7U patent/CN217848164U/en active Active
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