CN220341384U - Battery pack base and battery pack - Google Patents
Battery pack base and battery pack Download PDFInfo
- Publication number
- CN220341384U CN220341384U CN202321590165.XU CN202321590165U CN220341384U CN 220341384 U CN220341384 U CN 220341384U CN 202321590165 U CN202321590165 U CN 202321590165U CN 220341384 U CN220341384 U CN 220341384U
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- CN
- China
- Prior art keywords
- battery pack
- base body
- battery
- base
- battery module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005728 strengthening Methods 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims abstract 2
- 230000003014 reinforcing effect Effects 0.000 claims description 35
- 230000035939 shock Effects 0.000 claims description 11
- 210000000988 bone and bone Anatomy 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery pack base and a battery pack, wherein the battery pack base comprises: the base body, the base body is close to the inside lateral part of battery package casing and is equipped with the holding surface, and the holding surface is used for with battery module butt, and the base body deviates from the inside lateral part of battery package casing and is equipped with first additional strengthening. The side part of the base body, which is close to the inside of the battery pack shell, is provided with a supporting surface which is in butt joint with the battery module, so that the contact area of the base body and the battery module is increased, the pressure born by the battery module is reduced, and the possibility of thermal runaway of the battery module during use is reduced; in addition, the base body deviates from the inside lateral part of battery package casing and is formed with first additional strengthening, arranges first additional strengthening in the outside of base body like this, has reduced because first additional strengthening forms in the inboard of base body and causes the inboard of base body to have too much clearance to the needs are poured excessive heat conduction glue in the inboard of base body has been avoided.
Description
Technical Field
The utility model relates to the technical field of battery packs, in particular to a battery pack base and a battery pack.
Background
The existing battery pack comprises a battery pack shell and a battery module, wherein the battery module is accommodated in the battery pack shell to play a role in protection; the battery pack shell comprises a battery pack shell body and a battery pack base, in order to reduce the weight of the battery pack base and improve the mechanical strength of the battery pack base, a ossicle position structure is usually added on the inner wall of the battery pack base, namely a plurality of reinforcing ribs are formed on the inner wall of the battery pack base, and the pressure of a single reinforcing rib on a battery module is overlarge, so that the stress on a certain position of the battery module is overlarge and the risk of thermal runaway is increased easily; and meanwhile, gaps are formed between two adjacent reinforcing ribs, and the gaps are required to be filled when heat-conducting glue is poured, so that the glue consumption is large.
Disclosure of Invention
The utility model aims to provide a battery pack base and a battery pack, which are used for solving the technical problems that the small bone structure of the battery pack base for ensuring the light weight and the mechanical strength in the prior art is easy to cause the rise of the thermal runaway risk and the increase of the consumption of heat conducting glue.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, a battery pack base is provided for interfacing with a battery pack housing to form a battery pack housing, comprising:
the base body, the base body is close to the inside lateral part of battery package casing is equipped with the holding surface, the holding surface is used for with battery module butt, the base body deviates from the inside lateral part of battery package casing is equipped with a additional strengthening.
By adopting the technical scheme, the side part of the base body, which is close to the inside of the battery pack shell, is provided with the supporting surface, and the supporting surface is abutted with the battery module, so that the contact area of the base body and the battery module is increased, the pressure born by the battery module is reduced, and the possibility of thermal runaway of the battery module during use is reduced; in addition, the base body deviates from the inside lateral part of battery package casing and is formed with first additional strengthening, arranges first additional strengthening in the outside of base body like this, has reduced because first additional strengthening forms in the inboard of base body and causes the inboard of base body to have too much clearance to the needs are poured excessive heat conduction glue in the inboard of base body has been avoided.
In one embodiment, the support surface is formed with a limit groove for being matched with the framework of the battery module, and the end part of the framework of the battery module is used for being clamped into the limit groove.
Through adopting above-mentioned technical scheme, set up the removal that limiting groove can spacing battery module on the holding surface, make between battery module and the holding surface more paste simultaneously and take, avoid producing great gap between the two, avoid increasing the quantity of heat dissipation glue.
In one embodiment, an arc chamfer portion is formed between the bottom of the limit groove and the side groove wall, and the arc chamfer portion is used for guiding the framework of the battery module to enter the limit groove.
By adopting the technical scheme, the battery module is convenient to install on the supporting surface.
In one embodiment, a second reinforcing structure is further arranged on the side part, close to the inside of the battery pack shell, of the base body, and the second reinforcing structure is located on one side of the supporting surface.
By adopting the technical scheme, the side part of the base body, which is close to the inside of the battery pack shell, has light weight and mechanical strength.
In one embodiment, the first and second reinforcing structures are bone sites or honeycomb.
Through adopting above-mentioned technical scheme, realized the purpose that mechanical strength was strengthened to the base body, can also promote the heat dispersion of base body simultaneously.
In one embodiment, the side portion of the base body, which is close to the inside of the battery pack case, is further provided with a first fastening structure for fixedly connecting with the battery module.
Through adopting above-mentioned technical scheme, with base body and battery module fixed connection, reduced the possibility that battery module takes place the displacement during the use, promoted battery module's security performance.
In one embodiment, the side portion of the base body, which is close to the inside of the battery pack case, is further provided with a second fastening structure for fixedly connecting with the battery pack case.
By adopting the technical scheme, the base body is fixedly connected with the battery pack shell, so that the battery pack shell is assembled.
In one embodiment, a plugging ring table for being inserted into the battery pack shell is formed on the side part, close to the interior of the battery pack shell, of the base body, and the supporting surface is located on the inner side of the plugging ring table.
Through adopting above-mentioned technical scheme, realized the pre-positioning of base body, promoted base body equipment speed.
In one embodiment, a shock absorbing member is formed at a side of the base body facing away from the inside of the battery pack case, the shock absorbing member being located at one side of the first reinforcing structure.
By adopting the technical scheme, the damping performance of the battery pack base is improved.
In a second aspect, a battery pack is provided, including a battery pack housing, a battery module and the battery pack base, where the battery pack housing and the battery pack base are abutted to form a battery pack shell, and the battery module is fixed in the battery pack shell.
By adopting the technical scheme, on the basis of the advantages of the battery pack base of the embodiment, the battery pack of the embodiment also has the advantages of light weight and high mechanical strength.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a battery pack according to an embodiment of the present utility model;
fig. 2 is an exploded view of a battery pack according to an embodiment of the present utility model;
fig. 3 is an exploded view of another view of a battery pack according to an embodiment of the present utility model;
fig. 4 is a perspective view of a battery pack chassis according to an embodiment of the present utility model;
fig. 5 is a perspective view of another view of a battery pack chassis according to an embodiment of the present utility model.
The reference numerals in the drawings are as follows:
10. a battery pack base; 20. a battery pack case; 30. a battery module;
1. a base body;
11. a support surface; 12. a first reinforcing structure; 13. a limit groove; 14. a second reinforcing structure; 15. a first fastening structure; 16. a second fastening structure; 17. a plug ring table; 18. a shock absorbing member;
131. an arc-shaped chamfer portion; 301. and (3) a framework.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicating device or element must have a particular orientation, be constructed and operated in a particular orientation.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The following describes in more detail the specific implementation of the present utility model in connection with specific embodiments:
as shown in fig. 1 to 3, a battery pack base 10 is provided according to an embodiment of the present utility model, and is configured to dock with a battery pack housing 20 to form a battery pack case, and to accommodate a battery module 30 in the battery pack case to form a battery pack; the battery pack base 10 provided in this embodiment can ensure both light weight and mechanical strength, and will be described by the following specific embodiments:
the battery pack base 10 provided in this embodiment includes:
the base body 1, the base body 1 is close to the inside lateral part of battery package casing 20 and is equipped with holding surface 11, and holding surface 11 is used for with the butt of battery module 30, and the inside lateral part of base body 1 deviating from battery package casing 20 is equipped with first additional strengthening 12.
Here, it will be appreciated that the base body 1 is configured to interface with the battery pack case 20 to form the battery pack case, and the base body 1 may be an integral piece, that is, the support surface 11 and the first reinforcing structure 12 are directly formed on the base body 1;
specifically, the base body 1 is provided with a supporting surface 11 and a first reinforcing structure 12, wherein the supporting surface 11 is formed on the side part of the base body 1, which is close to the inside of the battery pack shell 20, and the supporting surface 11 is used for abutting against the battery module 30, namely, the supporting surface 11 provides supporting force for the battery module 30, and as the supporting surface 11 enlarges the contact area with the battery module 30, the pressure applied to the battery module 30 is reduced, namely, the possibility of thermal runaway of the battery module 30 in use is reduced; the first reinforcing structure 12 is used for improving the mechanical strength of the base body 1, the first reinforcing structure 12 is formed on the side portion of the base body 1 away from the interior of the battery pack shell 20, that is, the first reinforcing structure 12 and the supporting surface 11 are respectively located on two opposite sides of the base body 1, the first reinforcing structure 12 is located on the outer side of the battery pack shell, and the supporting surface 11 is located on the inner side of the battery pack shell.
The working principle of the battery pack base 10 provided in this embodiment is as follows:
the battery pack housing 20 and the battery pack base 10 are abutted to form a battery pack housing, and the battery module 30 is accommodated in the battery pack housing to form a battery pack, wherein the supporting surface 11 of the battery pack base 10 is abutted to the battery module 30, i.e. the supporting surface 11 is used for supporting the battery module 30.
It should be further explained that the shape and area of the support surface 11 matches the shape and area of the surface of the battery module 30 that meets the support surface 11, i.e., the size of the support surface 11 is approximately the same as the size of the surface of the battery module 30 that meets.
By adopting the technical scheme, the side part of the base body 1, which is close to the inside of the battery pack shell 20, is provided with the supporting surface 11, and the supporting surface 11 is abutted against the battery module 30, so that the contact area between the base body 1 and the battery module 30 is increased, the pressure born by the battery module 30 is reduced, and the possibility of thermal runaway of the battery module 30 during use is reduced; in addition, the side portion of the base body 1 facing away from the interior of the battery pack case 20 is formed with the first reinforcing structure 12, so that the first reinforcing structure 12 is arranged on the outer side of the base body 1, and excessive gaps are reduced on the inner side of the base body 1 due to the fact that the first reinforcing structure 12 is formed on the inner side of the base body 1, and therefore excessive heat conduction glue is prevented from being poured on the inner side of the base body 1.
Referring to fig. 4 and 5 together, in one embodiment, the supporting surface 11 is formed with a limiting groove 13 for matching with the frame of the battery module 30, and the end of the frame of the battery module 30 is used to be clamped into the limiting groove 13.
Here, it can be understood that the end of the frame of the battery module 30 abuts against the supporting surface 11, and the limiting groove 13 is formed on the supporting surface 11, when the battery module 30 is mounted on the battery pack housing, the end of the frame of the battery module 30 is just clamped into the limiting groove 13, so that the groove wall of the limiting groove 13 can limit the movement of the battery module 30, and the danger caused by the displacement of the battery module 30 when the battery pack is used is avoided.
Specifically, the shape and size of the limiting groove 13 are matched with those of the end of the frame of the battery module 30 such that the end of the frame of the battery module 30 can be just caught in the limiting groove 13.
Through adopting above-mentioned technical scheme, set up the removal that spacing groove 13 can spacing battery module 30 on holding surface 11, make between battery module 30 and the holding surface 11 more paste simultaneously and take, avoid producing great gap between the two, avoid increasing the quantity of heat dissipation glue.
In one embodiment, an arc-shaped chamfer 131 is formed between the bottom of the limiting groove 13 and the side groove wall, and the arc-shaped chamfer 131 is used for guiding the frame of the battery module 30 into the limiting groove 13.
Here, it is understood that the arc-shaped chamfer portion 131 serves to match the end of the backbone 301 of the battery module 30 so that the end of the backbone 301 of the battery module 30 can be exactly caught in the limit groove 13.
Specifically, the arc chamfer portion 131 is an arc surface smoothly connecting the bottom of the groove and the side groove wall of the limit groove 13, the shape and size of the arc chamfer portion 131 are matched with those of the end portion of the skeleton 301 of the battery module 30, so that the end portion of the skeleton 301 of the battery module 30 can be guided into the limit groove 13 by the arc chamfer portion 131, and the end portion of the skeleton 301 of the battery module 30 can be just in contact with the arc chamfer portion 131.
By adopting the above technical scheme, the battery module 30 is conveniently mounted on the supporting surface 11.
In one embodiment, the side of the base body 1 near the inside of the battery pack case 20 is further provided with a second reinforcing structure 14, and the second reinforcing structure 14 is located at one side of the supporting surface 11.
Here, it can be understood that the second reinforcing structure 14 serves to further enhance the mechanical strength of the base body 1.
Specifically, the second reinforcing structure 14 is located at one side of the supporting surface 11, that is, the side of the base body 1 near the inside of the battery pack case 20 is provided with the supporting surface 11 and the second reinforcing structure 14, preferably, at least two second reinforcing structures 14 are provided on the base body 1, and at least two second reinforcing structures 14 are respectively located at two sides of the supporting surface 11.
By adopting the above technical scheme, the side part of the base body 1, which is close to the inside of the battery pack shell 20, has both light weight and mechanical strength.
In one embodiment, the first reinforcing structure 12 and the second reinforcing structure 14 are bone pieces or honeycomb pieces.
Here, it can be understood that the bone site is a reinforcing rib formed on the base body 1, and the honeycomb member is a honeycomb structure formed on the base body 1, both of which can enhance the mechanical strength of the base body 1.
Specifically, the two structures also have good heat dissipation performance, and the heat dissipation area of the base body 1 can be increased by the reinforcing ribs and the honeycomb structure, so that the heat dissipation performance is improved.
Through adopting above-mentioned technical scheme, realized the purpose that base body 1 strengthened mechanical strength, can also promote the heat dispersion of base body 1 simultaneously.
In one embodiment, the side of the base body 1 adjacent to the inside of the battery pack case 20 is further provided with a first fastening structure 15 for fixedly connecting with the battery module 30.
Here, it is understood that the first fastening structure 15 includes, but is not limited to, a first screw through hole, i.e., a first screw through hole is provided in the base body 1, a first screw member is inserted into the first screw through hole, and the base body 1 is screw-fixedly coupled with the battery module 30 using the first screw member.
Through adopting above-mentioned technical scheme, with base body 1 and battery module 30 fixed connection, reduced battery module 30 and taken place the possibility of displacement during the use, promoted battery module 30's security performance.
In one embodiment, the side of the base body 1 adjacent to the interior of the battery pack case 20 is further provided with a second fastening structure 16 for fixedly connecting with the battery pack case 20.
Here, it is understood that the second fastening structure 16 includes, but is not limited to, a second screw through hole, i.e., a second screw through hole is provided on the base body 1, and a second screw member is inserted into the second screw through hole, and the base body 1 is fixedly connected with the battery pack case 20 by the second screw member.
By adopting the technical scheme, the base body 1 is fixedly connected with the battery pack shell 20, and the battery pack shell is assembled.
In one embodiment, a plugging ring table 17 for being inserted into the battery pack case 20 is formed on the side of the base body 1 near the inside of the battery pack case 20, and the supporting surface 11 is located inside the plugging ring table 17.
Here, it can be understood that the plugging ring platform 17 is plugged and matched with the opening of the battery pack housing 20, that is, the plugging ring platform 17 can be just inserted into the opening of the battery pack housing 20, so as to realize the initial positioning of the base body 1, and then the second screw member is used to realize the fixed connection between the base body 1 and the battery pack housing 20.
Through adopting above-mentioned technical scheme, realized the pre-positioning of base body 1, promoted base body 1 equipment speed.
In one embodiment, the side of the base body 1 facing away from the inside of the battery pack case 20 is formed with a shock absorbing member 18, and the shock absorbing member 18 is located at one side of the first reinforcing structure 12.
Here, it can be appreciated that the shock absorbing member 18 serves to reduce vibration of the battery pack base 10 in use; specifically, the shock absorbing member 18 includes, but is not limited to, a silicone member having a shock absorbing effect, when the battery pack base 10 is placed on the ground, the shock absorbing member 18 first contacts the ground and buffers the reaction force of the ground, thus reducing the influence of the ground force on the battery module 30.
By adopting the technical scheme, the shock absorption performance of the battery pack base 10 is improved.
In a second aspect, a battery pack is provided, including a battery pack housing 20, a battery module 30 and the battery pack base 10, where the battery pack housing 20 and the battery pack base 10 are abutted to form a battery pack shell, and the battery module 30 is fixed inside the battery pack shell.
Here, it is understood that the battery pack of the present embodiment may be applied to an electric bicycle or an electric motorcycle.
By adopting the above technical scheme, the battery pack of the present embodiment has the advantages of light weight and high mechanical strength in addition to the advantages of the battery pack base 10 of the above embodiment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A battery pack base for interfacing with a battery pack housing to form a battery pack housing, comprising:
the base body, the base body is close to the inside lateral part of battery package casing is equipped with the holding surface, the holding surface is used for with battery module butt, the base body deviates from the inside lateral part of battery package casing is equipped with a additional strengthening.
2. The battery pack base as claimed in claim 1, wherein the support surface is formed with a limit groove for being fitted with a frame of the battery module, and an end of the frame of the battery module is engaged in the limit groove.
3. The battery pack base as claimed in claim 2, wherein an arc-shaped chamfer portion is formed between a bottom of the limit groove and a side groove wall, and the arc-shaped chamfer portion is used for guiding the frame of the battery module into the limit groove.
4. The battery pack base as claimed in claim 1, wherein a second reinforcing structure is further provided on a side of the base body adjacent to the inside of the battery pack case, the second reinforcing structure being located on one side of the support surface.
5. The battery pack chassis of claim 4, wherein the first reinforcing structure and the second reinforcing structure are bone pieces or honeycomb pieces.
6. The battery pack base as claimed in any one of claims 1 to 5, wherein a side portion of the base body adjacent to the inside of the battery pack case is further provided with a first fastening structure for fixedly connecting with the battery module.
7. The battery pack base as claimed in any one of claims 1 to 5, wherein a side portion of the base body adjacent to the inside of the battery pack case is further provided with a second fastening structure for fixedly coupling with the battery pack case.
8. The battery pack base as claimed in any one of claims 1 to 5, wherein a side portion of the base body adjacent to the inside of the battery pack case is formed with a socket ring stage for insertion into the inside of the battery pack case, and the support surface is located inside the socket ring stage.
9. The battery pack base as claimed in any one of claims 1 to 5, wherein a side of the base body facing away from the inside of the battery pack case is formed with a shock absorbing member located at one side of the first reinforcing structure.
10. A battery pack, comprising a battery pack housing, a battery module and the battery pack base of any one of claims 1 to 9, wherein the battery pack housing and the battery pack base are in butt joint to form a battery pack shell, and the battery module is fixed in the battery pack shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321590165.XU CN220341384U (en) | 2023-06-19 | 2023-06-19 | Battery pack base and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321590165.XU CN220341384U (en) | 2023-06-19 | 2023-06-19 | Battery pack base and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220341384U true CN220341384U (en) | 2024-01-12 |
Family
ID=89444010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321590165.XU Active CN220341384U (en) | 2023-06-19 | 2023-06-19 | Battery pack base and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220341384U (en) |
-
2023
- 2023-06-19 CN CN202321590165.XU patent/CN220341384U/en active Active
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