CN216720133U - Battery pack box frame with foamed aluminum structure - Google Patents
Battery pack box frame with foamed aluminum structure Download PDFInfo
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- CN216720133U CN216720133U CN202123286700.6U CN202123286700U CN216720133U CN 216720133 U CN216720133 U CN 216720133U CN 202123286700 U CN202123286700 U CN 202123286700U CN 216720133 U CN216720133 U CN 216720133U
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- foamed aluminum
- battery pack
- foamed
- frame
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Abstract
The utility model discloses a battery pack box body frame with a foamed aluminum structure, which comprises an edge beam and a foamed aluminum filling piece; the boundary beams are spliced with each other to form a frame shape; the boundary beam is a hollow section; the foamed aluminum filling piece is arranged inside the edge beam; the outer wall surface of the side beam is provided with a stabilizing groove in an inwards concave pressing manner; the length direction of the stabilizing groove is consistent with that of the side beam; the foamed aluminum plate replaces the rib position, is adhered and filled in the inner cavity of the section bar, can reduce the weight of the box body frame while increasing the strength of the section bar, meets the lightweight design requirement, ensures the overall stability of the frame structure, and has great market popularization value.
Description
Technical Field
The utility model relates to the technical field of battery packs, in particular to a battery pack box body frame with a foamed aluminum structure.
Background
The traditional battery pack box body adopts an aluminum profile frame, and is manufactured by welding, the aluminum profile frame needs to be additionally provided with a rib position in the middle of the section of the profile for ensuring the strength of the box body, and the weight of the box body is also increased. In order to further realize the light weight of the battery pack frame and simultaneously consider the structural strength and other design requirements, the utility model needs to provide a battery pack box body frame with a foamed aluminum structure, which has smaller internal filling quality and good structural reinforcement effect.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the battery pack box body frame with the foamed aluminum structure, which has smaller internal filling quality and good structure reinforcing effect.
The technical scheme is as follows: in order to achieve the purpose, the battery pack box body frame with the foamed aluminum structure comprises an edge beam and a foamed aluminum filling piece; the edge beams are spliced with each other to form a frame shape; the edge beam is a hollow section; the foamed aluminum filling piece is arranged inside the edge beam; the outer wall surface of the side beam is provided with a stabilizing groove in an inwards concave pressing manner; the length direction of the stabilizing groove is consistent with the length direction of the side beam.
Furthermore, the cross section of the side beam is of a square structure.
Further, the foamed aluminum filling piece is of a plate-shaped structure; the surface of the foamed aluminum filling part is wavy; the wave crest side and the wave trough side of the foamed aluminum filling piece are respectively attached to and connected with the inner side wall and the outer side wall of the boundary beam.
Further, the foamed aluminum filling part is coiled into a rod-shaped structure, and the outer side of the rod-shaped coil is attached to and connected with the inner wall of the edge beam.
Further, the foamed aluminum filler maintains a gap between adjacent layers when crimped.
Further, the boundary beam is made of aluminum profile.
Further, the stabilizing slot penetrates between two ends of the side beam; the stabilizing groove is formed by synchronous extrusion processing along with the side beam.
Has the advantages that: the utility model relates to a battery pack box body frame with a foamed aluminum structure, which comprises an edge beam and a foamed aluminum filling piece; the edge beams are spliced with each other to form a frame shape; the edge beam is a hollow section; the foamed aluminum filling piece is arranged inside the edge beam; the outer wall surface of the side beam is provided with a stabilizing groove in an inwards concave pressing manner; the length direction of the stabilizing groove is consistent with that of the side beam; the foamed aluminum plate replaces the rib position and is adhered and filled in the inner cavity of the section bar, so that the strength of the section bar is increased, the weight of the box body frame can be reduced, the lightweight design requirement is met, the integral stability of the frame structure is ensured, and the market popularization value is high; meanwhile, the arrangement form of the foamed aluminum filling pieces is designed, so that the bending resistance of the edge beam is enhanced, the remarkable impact energy absorption function is provided, and the protection effect on the electric core part in the frame is further improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a battery pack frame;
FIG. 2 is a schematic view of a side sill structure;
FIG. 3 is a schematic view of a wavy plate surface bending of a foamed aluminum filler;
figure 4 is a schematic view of the curling of an aluminum foam insert.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a frame of a battery pack case having a foamed aluminum structure comprises an edge beam 1 and a foamed aluminum filler 2; the boundary beams 1 are spliced with each other to form a frame shape; the side beam 1 is a hollow section; the foamed aluminum filling piece 2 is arranged inside the boundary beam 1; a stabilizing groove 11 is concavely pressed on the outer wall surface of the side beam 1; the length direction of the stabilizing groove 11 is the same as the length direction of the side sill 1.
After the frame-shaped structure is spliced into the boundary beam 1, the end parts of the boundary beam are connected firmly in a welding mode and the like, and the structural strength of the boundary beam is realized by filling a structure with a reinforcing effect into the boundary beam. The foamed aluminum material not only has certain structural strength, but also has a foaming structure so that the whole density meets the bottom, and the light-weight design requirement can be met. The stabilizing groove 11 serves to moderately improve the bending resistance of the battery pack by using the groove structure without increasing the material, so that the whole frame of the battery pack is more stable. The stabilizing slot 11 can be formed by a stamping process, or can be synchronously formed when the boundary beam 1 is formed by processes such as extrusion drawing, pouring and the like.
The cross section of the boundary beam 1 is of a square structure.
The regular cross section shape is beneficial to the stability of the whole stress, the foamed aluminum material is more convenient to check and arrange, and the local slight change brought by the stabilizing groove 11 does not influence the effect of the whole square cross section profile.
As shown in fig. 3, the foamed aluminum filler 2 has a plate-like structure; the surface of the foamed aluminum filling part 2 is wavy; the wave crest side and the wave trough side of the foamed aluminum filling part 2 are respectively attached to and connected with the inner side wall and the outer side wall of the boundary beam 1.
After foam aluminum filling member 2 adopted continuous folding condition, the both sides that will buckle the department and correspond with the inside and outside of boundary beam 1, can make the two whole cooperation, possess extremely strong anti bending performance, so can provide effective protection when the battery package meets with the impact, reduce electric core position and receive extrusion deformation and take place the probability of leaking, firing scheduling problem, effectively improved the security of battery package.
As shown in fig. 4, the aluminum foam filler 2 is rolled into a roll-shaped structure, and the outer side of the roll is in contact with the inner wall of the side sill 1.
When the foamed aluminum filling piece 2 is filled in a curled state, a multilayer arched stress structure of the foamed aluminum filling piece can be utilized to play an excellent supporting role, and the deformation of the boundary beam 1 during impact extrusion is reduced.
The foamed aluminum filler 2 maintains a gap between adjacent layers when crimped.
Gaps among the plurality of curling layers can enable the foamed aluminum to have a certain deformation space, so that part of impact energy is effectively absorbed, and the impact on the battery core of the internal battery pack is reduced.
As shown in fig. 2, the side sill 1 is made of aluminum.
The aluminum material has higher structural strength and lighter weight, and can be matched with an internal foamed aluminum filling part to realize extremely high light weight level; meanwhile, the formed aluminum can be directly formed by drawing, and is convenient to process, low in preparation cost and convenient to popularize.
The stabilizing groove 11 is arranged between two ends of the side beam 1 in a penetrating way; the stabilizing groove 11 is formed by synchronous extrusion processing along with the boundary beam 1.
The specific processing mode only needs to set the bulges and the depressions at the corresponding positions of the extrusion structure, the stable groove 11 can be obtained after the drawing forming, meanwhile, the design of the stable groove 11 can be further complicated, and if the stable groove is set to be wavy, the stable groove can be realized by matching a corresponding die with a local stamping process.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (7)
1. The utility model provides a battery package box frame with foamed aluminum structure which characterized in that: comprises an edge beam (1) and a foamed aluminum filling piece (2); the boundary beams (1) are spliced to form a frame shape; the edge beam (1) is a hollow section; the foamed aluminum filling piece (2) is arranged inside the edge beam (1); the outer wall surface of the side beam (1) is provided with a stabilizing groove (11) in an inwards concave pressing manner; the length direction of the stabilizing groove (11) is consistent with the length direction of the side beam (1).
2. The battery pack case frame having a foamed aluminum structure according to claim 1, wherein: the cross section of the boundary beam (1) is of a square structure.
3. The battery pack case frame having a foamed aluminum structure according to claim 1, wherein: the foamed aluminum filling part (2) is of a plate-shaped structure; the surface of the foamed aluminum filling part (2) is wavy; the wave crest side and the wave trough side of the foamed aluminum filling piece (2) are respectively attached to and connected with the inner side wall and the outer side wall of the boundary beam (1).
4. The battery pack case frame having a foamed aluminum structure according to claim 1, wherein: foamed aluminum filling member (2) are rolled into a rod-shaped structure, and the outside of the rod-shaped roll is attached to and connected with the inner wall of boundary beam (1).
5. The battery pack case frame with a foamed aluminum structure of claim 4, wherein: the foamed aluminium filler (2) maintains a gap between adjacent layers when crimped.
6. The battery pack case frame having a foamed aluminum structure according to claim 1, wherein: the edge beam (1) is made of shaped aluminum.
7. The battery pack case frame having a foamed aluminum structure according to claim 1, wherein: the stabilizing grooves (11) are correspondingly arranged between two ends of the side beam (1); the stabilizing groove (11) is formed by synchronous extrusion processing along with the boundary beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286700.6U CN216720133U (en) | 2021-12-24 | 2021-12-24 | Battery pack box frame with foamed aluminum structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286700.6U CN216720133U (en) | 2021-12-24 | 2021-12-24 | Battery pack box frame with foamed aluminum structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216720133U true CN216720133U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123286700.6U Active CN216720133U (en) | 2021-12-24 | 2021-12-24 | Battery pack box frame with foamed aluminum structure |
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| Country | Link |
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| CN (1) | CN216720133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275473A (en) * | 2022-08-16 | 2022-11-01 | 清华大学 | Lightweight solid-state battery box and system of electric automobile |
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2021
- 2021-12-24 CN CN202123286700.6U patent/CN216720133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275473A (en) * | 2022-08-16 | 2022-11-01 | 清华大学 | Lightweight solid-state battery box and system of electric automobile |
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