CN216015565U - A lithium cell protection architecture for new forms of energy motorcycle type - Google Patents
A lithium cell protection architecture for new forms of energy motorcycle type Download PDFInfo
- Publication number
- CN216015565U CN216015565U CN202121845101.0U CN202121845101U CN216015565U CN 216015565 U CN216015565 U CN 216015565U CN 202121845101 U CN202121845101 U CN 202121845101U CN 216015565 U CN216015565 U CN 216015565U
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- Prior art keywords
- frame
- lithium battery
- side plate
- baffle
- bottom plate
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 53
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 210000003205 muscle Anatomy 0.000 claims description 9
- 238000010009 beating Methods 0.000 claims description 8
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 17
- 238000012795 verification Methods 0.000 abstract description 7
- 238000012986 modification Methods 0.000 abstract description 6
- 230000004048 modification Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a lithium battery protection structure for a new energy vehicle type, which comprises a frame, wherein a lithium battery is placed in the frame, the frame is installed on a vehicle body metal plate, a gap is formed between the lithium battery and the inner wall of the frame, the bottom of the lithium battery is fixedly connected to a bottom plate of the frame, and the lithium battery can be fixed in the protection frame in a pressing plate mode. The battery is contained in the frame, so that the battery is prevented from being extruded, meanwhile, the lithium battery is fastened in the frame, the battery is guaranteed not to be thrown out, the scheme can be flexibly applied to platform truck type development, the number of related parts is small, the installation is convenient, the modification is easy, the quick verification can be realized, and the development period is shortened. Meanwhile, as the number of development parts is small, the cost is less, and the overall adaptability is strong.
Description
Technical Field
The utility model belongs to the technical field of new energy automobiles, and particularly relates to a lithium battery protection structure for a new energy automobile type.
Background
New energy motorcycle type is strict to whole car collision safety requirement of lithium cell power pack, and GBT31498-2015 regulation that carries out at present requires to the lithium cell after the collision: the original position is kept after collision, no leakage, no fire and explosion occur. The battery needs to be protected, and the battery cannot be extruded or punctured by metal plates and the like in collision. However, for the existing platform modified hybrid vehicle type, the battery cannot be protected due to the influence of the arrangement space, so that it is very necessary to protect the battery.
Arrange the lithium cell in the trunk, because the vehicle is not done the structure and is reserved, bump process vehicle rear end extrusion behind the result in, the lithium cell receives back panel, back and joins in marriage seat dual extrusion easily, and the battery breaks away from the original position, and inside module receives the extrusion, appears the short circuit risk. Particularly, the currently popular 48V lithium battery has a compact structure because the lithium battery is formed by a lithium battery module. Once the battery is crushed, there is a high probability of internal module shorting. And the impact strength is high after the collision, which can cause the deformation of the lithium battery and distort the internal module.
The mode that each big host computer factory adopted at present does: a protective frame structure is considered to be made on a vehicle body, the structure is similar to a protective area structure of a fuel tank, the whole structure is in a shape like a Chinese character 'kou', and the rigidity of the rear end is weakened by improving the strength of peripheral parts, so that the battery is protected. However, the scheme has a large modification range, is increased in cost and long in period, and is not suitable for a new platform development project.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a lithium battery protection structure for a new energy vehicle type, which has a simple structure and is convenient to use, can be flexibly applied to platform vehicle type development, has few related parts, is convenient to install and easy to modify, can be quickly verified, and reduces the period.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a lithium cell protection architecture for new forms of energy motorcycle type, includes the frame, the lithium cell is placed in the frame, and the frame mounting is equipped with the clearance on the automobile body panel beating between the inner wall of lithium cell and frame, and the bottom fixed connection of lithium cell is on the bottom plate of frame.
Furthermore, the frame is L type structure, and the frame includes bottom plate and baffle, and the baffle is vertical to be connected in the one end of bottom plate, and the one end that the baffle was kept away from to the bottom plate is equipped with ascending turn-ups.
Furthermore, the frame still includes left side board and right side board, and left side board and right side board symmetric connection are on the both sides limit of bottom plate, and left side board and right side board are connected perpendicularly on the bottom plate.
Furthermore, one end of the baffle is connected with the left side plate, and the other end of the baffle is connected with the right side plate.
Furthermore, be equipped with concave muscle on the bottom plate, be equipped with in the concave muscle and be used for the mounting hole of being connected with automobile body panel beating, the bottom of concave muscle is laminated with the automobile body panel beating and is passed through fastener and mounting hole cooperation fixed connection on the automobile body panel beating.
Furthermore, the baffle is a stamping part, and the baffle is provided with concave-convex reinforcing ribs formed by stamping.
Furthermore, lightening holes are formed in the baffle, the left side plate and the right side plate.
The technical scheme adopted by the utility model has the advantages that:
1. the utility model contains the battery in the frame to avoid the battery from being extruded, and simultaneously the lithium battery is fastened in the frame to ensure that the battery cannot be thrown out. Meanwhile, as the number of development parts is small, the cost is less, and the overall adaptability is strong.
2. The lithium battery protection structure designed by the utility model has the following advantages: the method is suitable for short-period vehicle model development of the existing platform. The original vehicle body structure is not changed, and the frame structure is simple, so that the verification can be quickly realized; and the investment cost is reduced. Because newly developed parts are few, the fixed investment is small, the calibration is flexible, and the period can be ensured; thirdly, collision requirements can be quickly met; fourthly, the scheme has strong operability and the framework can be flexibly designed.
3. The lithium battery protection frame can solve the problem of battery collision and extrusion, and eliminates the risk of internal module short circuit possibly caused by extrusion of the battery. The utility model can quickly meet the safety requirement of the hybrid vehicle type collision, simultaneously reduces new development parts, shortens the verification period and reduces the development cost; the purposes of reducing the development period, not increasing the welding process and not extruding the battery in collision are achieved under the condition of less opening of the die.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic diagram of the framework of the present invention.
The labels in the above figures are respectively: 1. a frame; 11. a base plate; 111. concave ribs; 112. mounting holes; 12. a baffle plate; 13. flanging; 14. a left side plate; 15. a right side plate; 3. and (7) lightening holes.
Detailed Description
In the present invention, it is to be understood that the term "length"; "Width"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "vertical"; "horizontal"; "Top"; "bottom" "inner"; "outer"; "clockwise"; "counterclockwise"; "axial"; "planar direction"; "circumferential" and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a particular orientation; constructed and operative in a particular orientation and therefore should not be construed as limiting the utility model.
As shown in figure 1, a lithium battery protection architecture for new forms of energy motorcycle type, includes frame 1, the lithium cell is placed in frame 1, and frame 1 installs on the automobile body panel beating, is equipped with the clearance between the inner wall of lithium cell and frame 1, and the bottom fixed connection of lithium cell is on frame 1's bottom plate, and the lithium cell can adopt the mode of clamp plate to fix in the protective frame. The battery is contained in the frame, so that the battery is prevented from being extruded, meanwhile, the lithium battery is fastened in the frame, the battery is guaranteed not to be thrown out, the scheme can be flexibly applied to platform truck type development, the number of related parts is small, the installation is convenient, the modification is easy, the quick verification can be realized, and the development period is shortened. Meanwhile, as the number of development parts is small, the cost is less, and the overall adaptability is strong.
Frame 1 is L type structure, and frame 1 includes bottom plate 11 and baffle 12, and the vertical one end of connecting at bottom plate 11 of baffle 12, the one end that baffle 12 was kept away from to bottom plate 11 is equipped with ascending turn-ups 13. The bottom plate 11 and the baffle plate 12 are formed by a stamping forming process.
The frame 1 further comprises a left side plate 14 and a right side plate 15, the left side plate 14 and the right side plate 15 are symmetrically connected to two side edges of the bottom plate 11, and the left side plate 14 and the right side plate 15 are vertically connected to the bottom plate 11. One end of the baffle plate 12 is connected with the left side plate 14, and the other end of the baffle plate 12 is connected with the right side plate 15. The left side plate 14 and the right side plate 15 are connected to the baffle plate 12 by spot welding.
Be equipped with concave muscle 111 on the bottom plate 11 and be used for increasing the structural strength of bottom plate 11, be equipped with in the concave muscle 111 and be used for the mounting hole 112 with automobile body sheet metal connection, the bottom of concave muscle 111 and automobile body sheet metal laminating are through fastener and mounting hole 112 cooperation fixed connection on the automobile body sheet metal. The baffle 12 is a stamping part, and the baffle 12 is provided with a concave-convex reinforcing rib 121 formed by stamping and used for increasing the structural strength of the baffle 12.
The baffle plate 12, the left side plate 14 and the right side plate 15 are all provided with lightening holes 3. The lightening holes 3 are arranged to reduce the weight of the frame, so that the lightening design is facilitated, and the lightening holes 3 play a role in heat dissipation, so that the heat generated by the lithium battery is dissipated, and the service life of the lithium battery is prolonged.
In the early design, the structure, thickness, material and connection mode of the lithium battery protection frame can be determined through multi-round simulation analysis and optimization, and the frame structure comprises a protection range, an integral size and the like. Secondly, determining the material, thickness and connection mode of the frame; the material and thickness of the frame ensure that the frame does not generate large-range torsional deformation and contacts the lithium battery. Subsequently, determining the process feasibility according to process analysis; and comprehensively analyzing the conclusion and finally determining the technical scheme. The technical scheme can pass through vehicle verification in a short period by means of rapid modification and the like. The frame of the utility model adopts an L-shaped structure, the material of the frame can be HC340/590DP or the material with higher tensile strength and yield strength, and the thickness of the frame is between 1.0mm and 1.2 mm. The frame is connected by spot welding, and the frame is connected with the vehicle body by bolts.
The frame structure needs to meet the requirements of collision with the contact position of the lithium battery and the installation gap between the protective frame and the outer surface of the lithium battery. The protective frame is connected with the automobile body sheet metal part through bolts, and the connection strength is guaranteed. The thickness and the material can adopt the condition of a collision simulation result, and an optimal scheme is obtained by a DOE mode. Finally, the lithium battery can be fixed in the protective frame in a pressing plate mode.
The lithium battery protection structure designed by the utility model has the following advantages: the method is suitable for short-period vehicle model development of the existing platform. The original vehicle body structure is not changed, and the frame structure is simple, so that the verification can be quickly realized; and the investment cost is reduced. Because newly developed parts are few, the fixed investment is small, the calibration is flexible, and the period can be ensured; thirdly, collision requirements can be quickly met; fourthly, the scheme has strong operability and the framework can be flexibly designed.
The collision test proves that after the protective frame is adopted, the lithium battery can be better kept in the protective frame after collision is finished and cannot fly out; the frame has small deformation and does not impact the lithium battery; other structures are not contacted with the lithium battery, and the protection effect is obvious.
The lithium battery protection frame can solve the problem of battery collision and extrusion, and eliminates the risk of internal module short circuit possibly caused by extrusion of the battery. The utility model can quickly meet the safety requirement of the hybrid vehicle type collision, simultaneously reduces new development parts, shortens the verification period and reduces the development cost; the purposes of reducing the development period, not increasing the welding process and not extruding the battery in collision are achieved under the condition of less opening of the die.
The utility model is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the utility model is not limited by the above-mentioned manner, and it is within the scope of the utility model to adopt various insubstantial modifications of the technical solution of the utility model or to apply the concept and technical solution of the utility model directly to other occasions without modification.
Claims (7)
1. The utility model provides a lithium cell protection architecture for new forms of energy motorcycle type which characterized in that: including frame (1), the lithium cell is placed in frame (1), and frame (1) is installed on the automobile body panel beating, is equipped with the clearance between the inner wall of lithium cell and frame (1), and the bottom fixed connection of lithium cell is on the bottom plate of frame (1).
2. The lithium battery protection structure for the new energy vehicle type as claimed in claim 1, wherein: frame (1) is L type structure, and frame (1) includes bottom plate (11) and baffle (12), and the vertical one end of connecting at bottom plate (11) of baffle (12), and the one end that baffle (12) were kept away from in bottom plate (11) is equipped with ascending turn-ups (13).
3. The lithium battery protection structure for the new energy vehicle type as claimed in claim 2, wherein: the frame (1) further comprises a left side plate (14) and a right side plate (15), the left side plate (14) and the right side plate (15) are symmetrically connected to two side edges of the bottom plate (11), and the left side plate (14) and the right side plate (15) are vertically connected to the bottom plate (11).
4. The lithium battery protection structure for the new energy vehicle type as claimed in claim 3, wherein: one end of the baffle (12) is connected with the left side plate (14), and the other end of the baffle (12) is connected with the right side plate (15).
5. The lithium battery protection structure for the new energy vehicle type as claimed in claim 3 or 4, wherein: be equipped with concave muscle (111) on bottom plate (11), be equipped with in concave muscle (111) and be used for mounting hole (112) with automobile body sheet metal connection, the bottom of concave muscle (111) and automobile body panel beating laminating are through fastener and mounting hole (112) cooperation fixed connection on the automobile body panel beating.
6. The lithium battery protection structure for the new energy vehicle type as claimed in claim 5, wherein: baffle (12) are the stamping workpiece, are equipped with stamping forming's unsmooth strengthening rib (121) on baffle (12).
7. The lithium battery protection structure for the new energy vehicle type as claimed in claim 6, wherein: the baffle (12), the left side plate (14) and the right side plate (15) are all provided with lightening holes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121845101.0U CN216015565U (en) | 2021-08-09 | 2021-08-09 | A lithium cell protection architecture for new forms of energy motorcycle type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121845101.0U CN216015565U (en) | 2021-08-09 | 2021-08-09 | A lithium cell protection architecture for new forms of energy motorcycle type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216015565U true CN216015565U (en) | 2022-03-11 |
Family
ID=80588230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121845101.0U Active CN216015565U (en) | 2021-08-09 | 2021-08-09 | A lithium cell protection architecture for new forms of energy motorcycle type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216015565U (en) |
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2021
- 2021-08-09 CN CN202121845101.0U patent/CN216015565U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240426 Address after: 241000 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee after: CHERY AUTOMOBILE Co.,Ltd. Country or region after: China Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |