CN218996973U - Aluminum alloy lightweight battery tray for electric automobile - Google Patents
Aluminum alloy lightweight battery tray for electric automobile Download PDFInfo
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- CN218996973U CN218996973U CN202223386037.1U CN202223386037U CN218996973U CN 218996973 U CN218996973 U CN 218996973U CN 202223386037 U CN202223386037 U CN 202223386037U CN 218996973 U CN218996973 U CN 218996973U
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- lightweight battery
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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 aluminum alloy lightweight battery tray for an electric automobile, which comprises a main shell, wherein the main shell is integrally processed by a metal plate, and two inclined planes are symmetrically arranged at one end of the main shell; a side impact buffer area fixed on the main shell; the inner reinforcing structure is arranged in the main shell and is provided with a plurality of reinforcing ends which are formed by processing metal extrusion sectional materials. The aluminum alloy lightweight battery tray for the electric automobile has a simple structure, the main shell is formed by integrally stamping aluminum alloy sheets, and compared with the existing tray main body with the same size, the aluminum alloy lightweight battery tray for the electric automobile has the advantages that the weight is greatly reduced, the tightness is effectively improved, the production efficiency is obviously improved, and the production cost is reduced; the side reinforcing beam can effectively improve the performance of the whole vehicle side collision to protect the battery, and the internal reinforcing beam not only improves the side collision force transmission performance, but also improves the rigidity, strength, mode and other performances of the whole battery pack.
Description
Technical Field
The utility model relates to the technical field of battery trays of electric automobiles, in particular to an aluminum alloy lightweight battery tray of an electric automobile.
Background
Different from the traditional automobile, the new energy automobile uses a battery as a power to drive the automobile to run, the battery tray is a battery monomer, and the module is fixed on the metal shell in a mode which is most favorable for heat management, so that the key effect of protecting the normal and safe operation of the battery is exerted, and the weight of the battery tray also directly influences the whole automobile load distribution and the endurance of the electric automobile.
At present, the steel battery tray is mainly made of high-strength steel, has excellent processing and welding functions, is favored by a plurality of companies, and has good stone impact resistance because the battery tray is affected by different working conditions, such as easy broken stone impact and the like, in actual road conditions. But the electric vehicle battery shell of the traditional steel structure is heavy, the welding of the corners of the battery box body leads to complex process, poor shock resistance, high cost, low production efficiency and poor sealing property.
Based on the above technical problems, a person skilled in the art needs to develop an aluminum alloy lightweight battery tray for an electric automobile, which has a simple structure, can effectively reduce weight, is formed by one-step stamping, and has high production efficiency and good sealing performance.
Disclosure of Invention
The utility model aims to provide the aluminum alloy lightweight battery tray for the electric automobile, which has the advantages of simple structure, capability of effectively reducing weight, one-step stamping forming, high production efficiency and good sealing property.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model relates to an aluminum alloy lightweight battery tray for an electric automobile, which comprises:
the main shell is integrally processed by a metal plate, and two inclined planes are symmetrically arranged at one end of the main shell; and
the side collision buffer area is fixed on the main shell and is provided with a plurality of buffer ends, and the buffer ends are distributed at two ends of the main shell;
the battery tray further includes:
the inner reinforcing structure is arranged in the main shell and is provided with a plurality of reinforcing ends which are processed by metal extrusion profiles, and the reinforcing ends are transversely arranged in the main shell.
Preferably, the main shell is formed by integrally stamping a whole aluminum alloy sheet.
Further, the side impact buffer zone comprises side reinforcing beams arranged at two ends of the main shell, and the side reinforcing beams can be used for installing a battery cover and are connected to a vehicle body.
Further, the side reinforcing beam is provided with a mounting surface and a connecting surface, the battery cover is mounted on the mounting surface and is coated with glue, and the connecting surface can be connected with the vehicle body.
Preferably, the side reinforcing beam is a 6-series aluminum alloy or magnesium alloy extrusion profile, and the side reinforcing beam is welded or riveted to the main shell.
Further, the inner reinforcing structure includes a plurality of inner reinforcing beams disposed laterally in the main housing; and
a support beam is longitudinally disposed in the main housing.
Preferably, the inner reinforcing beam is a 6-series aluminum alloy or magnesium alloy extrusion profile, and the inner reinforcing beam is welded or riveted to the main shell.
In the technical scheme, the aluminum alloy lightweight battery tray for the electric automobile has the following beneficial effects:
the aluminum alloy lightweight battery tray for the electric automobile has a simple structure, the main shell is formed by integrally stamping aluminum alloy sheets, and compared with the existing tray main body with the same size, the aluminum alloy lightweight battery tray for the electric automobile has the advantages that the weight is greatly reduced, the tightness is effectively improved, the production efficiency is obviously improved, and the production cost is reduced;
the side reinforcing beam can effectively improve the performance of the whole vehicle side collision to protect the battery, and the internal reinforcing beam not only improves the performance of the side collision force transmission, but also improves the performance of the whole battery pack such as rigidity, strength, mode and the like.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, 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 described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a perspective view of the overall structure of an aluminum alloy lightweight battery tray for an electric vehicle according to an embodiment of the present utility model;
fig. 2 is a top view of the overall structure of an aluminum alloy lightweight battery tray for an electric vehicle according to an embodiment of the present utility model;
fig. 3 is a side view of an aluminum alloy lightweight battery tray for an electric vehicle according to an embodiment of the present utility model;
fig. 4 is a structural diagram of a side reinforcing beam in an aluminum alloy lightweight battery tray for an electric vehicle according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a main housing; 2. a side impact buffer area; 3. an internal reinforcing structure;
101. an inclined plane;
201. a side reinforcing beam;
301. an inner stiffening beam; 302. a support beam;
A. a mounting surface; B. and a connecting surface.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
See fig. 1-4;
the utility model relates to an aluminum alloy lightweight battery tray for an electric automobile, which comprises:
the main shell 1 is integrally processed by a metal plate, two inclined planes 101 are symmetrically arranged at one end of the main shell 1, the battery cell structures are arranged at the left side and the right side of the main shell 1, the cooling system is arranged according to the battery cell cooling requirement, the vertical water cooling plate can be arranged between the battery cells, and the flat water cooling plate can be arranged at the bottom of the tray or the upper part of the battery cells; and
the side impact buffer zone 2 is fixed on the main shell 1, the side impact buffer zone 2 is provided with a plurality of buffer ends, and the buffer ends are distributed at two ends of the main shell 1; the side collision buffer zone 2 adopts a section welding filling structure: the energy absorption performance is good, the weight reduction effect is good, and the quick-change structure is supported;
the battery tray further includes:
the inner reinforcing structure 3 is arranged in the main casing 1, the inner reinforcing structure 3 is provided with a plurality of reinforcing ends which are processed by metal extrusion profiles, and a plurality of reinforcing ends are transversely arranged in the main casing 1.
As a preferred technical scheme of the embodiment, the main shell 1 is integrally formed by stamping a whole aluminum alloy sheet, so that the weight reduction is more than 30% compared with the existing shell with the same size, and the advantages of light weight, sealing performance, production efficiency and the like are obvious. The specific process is divided into three process schemes of direct thermoforming, indirect thermoforming and cold stamping. The direct thermoforming process comprises the following steps: 2d, material sheet, solid solution treatment, hot stamping, in-mold quenching and artificial aging;
an indirect thermoforming process: 2d material sheet, cold stamping, solid solution treatment, hot stamping, in-mold quenching and artificial aging;
cold stamping process: 2d sheet-cold stamping (3 times) -shaping. The CAE rebound result is < + > -0.4mm by aluminium thermoforming technology to the difficulties of shell rebound and sealing surface flatness, and the shell rebound and sealing surface flatness are mainly divided into a main body stamping shell part and a profile structural part.
As a further description of the present embodiment, the side impact buffer 2 includes side reinforcing beams 201 provided at both ends of the main housing 1, and the side reinforcing beams 201 are capable of mounting a battery cover and being connected to a vehicle body.
As a further introduction of this embodiment, the side reinforcing beam 201 is provided with a mounting surface a and a connecting surface B, the battery cover is mounted on the mounting surface a, and the battery cover is glued to realize sealing, the whole battery pack connecting surface B is connected with the vehicle body, and the CTC or CTB type battery pack can omit the upper cover and be directly connected with the vehicle body. The side reinforcing beam 201 section bar is mainly used for improving the side collision performance of the whole car and protecting the battery, and a quick-change structure connected with the whole car can be designed.
As a preferable solution of the present embodiment, the side reinforcing beam 201 is a 6-series aluminum alloy or magnesium alloy extruded section, and the side reinforcing beam 201 is welded or riveted to the main housing 1. The main process comprises the following steps: bar preparation-extrusion of profile-machining-welding & riveting.
As a further introduction to the present embodiment, the inner reinforcing structure 3 includes a plurality of inner reinforcing beams 301 arranged laterally in the main casing 1; and
a support beam 302 is longitudinally arranged in the main housing 1.
As a preferable solution of this embodiment, the inner reinforcing beam 301 is a 6-series aluminum alloy or magnesium alloy extruded section, and the inner reinforcing beam 301 is welded or riveted to the main housing 1. The internal reinforcing beam 301 not only improves the side impact force transmission performance, but also improves the rigidity, strength, mode and other performances of the whole battery pack. The main process comprises the following steps: bar preparation-extrusion of profile-machining-welding & riveting.
The CAE analysis simulation work in the early stage of the development process is a key technology for guiding development, the material card adopts an aluminum alloy material card independently compiled by Jiwen for simulation analysis, and through the development verification of hundreds of products, the CAE simulation technology is stable and reliable.
In the technical scheme, the aluminum alloy lightweight battery tray for the electric automobile has the following beneficial effects:
the aluminum alloy lightweight battery tray for the electric automobile has a simple structure, the main shell is formed by integrally stamping aluminum alloy sheets, and compared with the existing tray main body with the same size, the aluminum alloy lightweight battery tray for the electric automobile has the advantages that the weight is greatly reduced, the tightness is effectively improved, the production efficiency is obviously improved, and the production cost is reduced;
the side reinforcing beam can effectively improve the performance of the whole vehicle side collision to protect the battery, and the internal reinforcing beam not only improves the performance of the side collision force transmission, but also improves the performance of the whole battery pack such as rigidity, strength, mode and the like.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. Electric automobile aluminum alloy lightweight battery tray, its characterized in that, this battery tray includes:
the main shell (1) is integrally processed by a metal plate, and two inclined planes (101) are symmetrically arranged at one end of the main shell (1); and
the side collision buffer area (2) is fixed on the main shell (1), the side collision buffer area (2) is provided with a plurality of buffer ends, and the buffer ends are distributed at two ends of the main shell (1);
the battery tray further includes:
an inner reinforcing structure (3) arranged in the main housing (1), wherein the inner reinforcing structure (3) is provided with a plurality of reinforcing ends which are processed by metal extrusion profiles, and a plurality of reinforcing ends are transversely arranged in the main housing (1).
2. The aluminum alloy lightweight battery tray for electric vehicles according to claim 1, wherein the main housing (1) is integrally formed by stamping a whole aluminum alloy sheet.
3. The aluminum alloy lightweight battery tray for electric vehicles according to claim 1, wherein the side impact buffer (2) comprises side reinforcing beams (201) arranged at two ends of the main housing (1), and the side reinforcing beams (201) can be provided with battery covers and are connected to a vehicle body.
4. The aluminum alloy lightweight battery tray for electric vehicles according to claim 3, wherein the side reinforcing beam (201) is provided with a mounting surface (a) and a connecting surface (B), the battery cover is mounted on the mounting surface (a) and is glued, and the connecting surface (B) can be connected with a vehicle body.
5. The aluminum alloy lightweight battery tray for electric vehicles according to claim 3, characterized in that the side reinforcing beam (201) is a 6-series aluminum alloy or magnesium alloy extrusion, and the side reinforcing beam (201) is welded or riveted to the main casing (1).
6. The electric car aluminum alloy lightweight battery tray as claimed in claim 1, wherein the inner reinforcement structure (3) includes a plurality of inner reinforcement beams (301) arranged laterally in the main casing (1); and
a support beam (302) is arranged longitudinally in the main housing (1).
7. The aluminum alloy lightweight battery tray for electric vehicles according to claim 6, characterized in that the inner reinforcement beam (301) is a 6-series aluminum alloy or magnesium alloy extrusion, and the inner reinforcement beam (301) is welded or riveted to the main casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223386037.1U CN218996973U (en) | 2022-12-16 | 2022-12-16 | Aluminum alloy lightweight battery tray for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223386037.1U CN218996973U (en) | 2022-12-16 | 2022-12-16 | Aluminum alloy lightweight battery tray for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218996973U true CN218996973U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223386037.1U Active CN218996973U (en) | 2022-12-16 | 2022-12-16 | Aluminum alloy lightweight battery tray for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218996973U (en) |
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2022
- 2022-12-16 CN CN202223386037.1U patent/CN218996973U/en active Active
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