CN110137398A - A kind of battery for electric automobile case - Google Patents
A kind of battery for electric automobile case Download PDFInfo
- Publication number
- CN110137398A CN110137398A CN201910290813.1A CN201910290813A CN110137398A CN 110137398 A CN110137398 A CN 110137398A CN 201910290813 A CN201910290813 A CN 201910290813A CN 110137398 A CN110137398 A CN 110137398A
- Authority
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- China
- Prior art keywords
- reinforcing rib
- battery
- base plate
- sheet metal
- metal base
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of battery for electric automobile casees, including aluminium sheet metal base plate；The top surface edge of aluminium sheet metal base plate is fixedly installed an aluminum frame around distribution；The top surface front and rear sides of aluminium sheet metal base plate are fixedly installed a first lateral word reinforcing rib respectively；In the middle part of the top surface of aluminium sheet metal base plate, it is arranged at intervals with a second lateral word reinforcing rib of two cross direction profiles；The top surface left and right ends of a first lateral word reinforcing rib and a second lateral word reinforcing rib, are fixedly installed a second longitudinal direction T-type reinforcing rib respectively；In the middle part of the top surface of a first lateral word reinforcing rib and a second lateral word reinforcing rib, it is arranged at intervals with two first longitudinal direction T-type reinforcing ribs；The most bottom surface of aluminum frame, height in vertical direction, preset distance lower than aluminium sheet metal base plate.Battery for electric automobile case disclosed by the invention, scientific structure design is reasonable, compact-sized, and intensity is high, can have good crash worthiness energy.
Description
Technical field
The present invention relates to electric vehicle engineering fields, more particularly to a kind of battery for electric automobile case.
Background technique
Since New-energy electric vehicle will be travelled under limited electricity, so having for the weight of vehicle stringent
It is required that and vehicle run at high speed as a kind of vehicles, the structural strength of battery case is clearly required, it is desirable that
When there are stone or other hard physical impacts below vehicle, there is good crash worthiness energy.
But the battery case of existing electric car, it not can guarantee in the case where light weight, there is stone below vehicle
When head or other hard physical impacts, there is good crash worthiness energy.
So urgent need is a compact-sized for battery case, intensity is high, light weight, battery case at low cost, and mesh
Before the design of battery case that has be still not perfect.
Summary of the invention
In view of this, scientific structure design is reasonable the object of the present invention is to provide a kind of battery for electric automobile case, knot
Structure is compact, and intensity is high, can guarantee in the case where light weight, below vehicle there is stone or other hard physics to touch
When hitting, there is good crash worthiness energy, be conducive to widely apply, be of great practical significance.
For this purpose, the present invention provides a kind of battery for electric automobile casees, the aluminium sheet metal base plate including cross direction profiles；
The top surface edge of the aluminium sheet metal base plate is fixedly installed an aluminum frame around distribution；
The top surface front and rear sides of the aluminium sheet metal base plate are fixedly installed a first lateral word an of cross direction profiles respectively
Reinforcing rib；
In the middle part of the top surface of the aluminium sheet metal base plate, it is arranged at intervals with a second lateral word reinforcing rib of two cross direction profiles；
The top surface left and right ends of a first lateral word reinforcing rib and a second lateral word reinforcing rib, are fixedly installed one respectively
The second longitudinal direction T-type reinforcing rib of a genesis analysis；
In the middle part of the top surface of a first lateral word reinforcing rib and a second lateral word reinforcing rib, it is arranged at intervals with two longitudinal directions point
The first longitudinal direction T-type reinforcing rib of cloth；
A first lateral word reinforcing rib, a second lateral word reinforcing rib and first longitudinal direction T-type reinforcing rib and second longitudinal direction T
Type reinforcing rib, positioned at the inside of aluminum frame；
The most bottom surface of aluminum frame, height in vertical direction, preset distance lower than aluminium sheet metal base plate.
Wherein, the surrounding outer edge of aluminum frame is equidistantly provided with multiple cabinet entrucking fixes sleeves.
Wherein, the bottom inside of aluminum frame is equipped with the first ladder-like concave station and the second ladder-like concave station；
First ladder-like concave station is located at the inside of the second ladder-like concave station；
Wherein, the first ladder-like concave station is used for and aluminium sheet metal base plate is welded, the concave surface of the second ladder-like concave station and aluminium metal plate
The bottom flush of bottom plate；
Multiple second circular holes are equidistantly provided on the outside of aluminum frame, for carrying out installation casing by interference fit
Entrucking fixes sleeve.
Wherein, aluminum frame is formed by multistage aluminum profile welding.
Wherein, at the top of first longitudinal direction T-type reinforcing rib, also longitudinal direction is equidistantly provided with multiple Battery cases and fixes through support
Column；
Each Battery case is connected with a upper box fixing bolt through support fixed column screw top.
Wherein, the centre of aluminium sheet metal base plate, which is provided with, ranked first circle through the two of support fixed column for fixing Battery case
Hole.
Wherein, Battery case has step among support fixed column, for welding with first longitudinal direction T-type reinforcing rib；
Each Battery case is embedded with steel-wire screw-socket above support fixed column, is used for and upper box fixing bolt phase
Bolt.
Wherein, the middle part of upper box fixing bolt has flange；
The top of upper box fixing bolt has hollow hole；
The lower external face of upper box fixing bolt has external screw thread.
Wherein, a first lateral word reinforcing rib, a second lateral word reinforcing rib and first longitudinal direction T-type reinforcing rib and second
On longitudinal T-type reinforcing rib, it is respectively provided with self-clinching nut mounting hole.
By the above technical solution provided by the invention as it can be seen that compared with prior art, one kind provided by the invention is electronic
Automotive battery case, scientific structure design is reasonable, compact-sized, and intensity is high, can guarantee in the case where light weight, work as vehicle
When there are stone or other hard physical impacts below, there is good crash worthiness energy, be conducive to widely apply,
It is of great practical significance.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of battery for electric automobile case provided by the invention；
Fig. 2 is the structural schematic diagram for the aluminium sheet metal base plate having in a kind of battery for electric automobile case provided by the invention；
Fig. 3 is the first the one word reinforcing rib of inner transverse having in a kind of battery for electric automobile case provided by the invention
Structural schematic diagram；
Fig. 4 is second of inner transverse, the one word reinforcing rib having in a kind of battery for electric automobile case provided by the invention
Structural schematic diagram；
Fig. 5 is the first the internal longitudinal T-type reinforcing rib having in a kind of battery for electric automobile case provided by the invention
Structural schematic diagram；
Fig. 6 is the longitudinal T-type reinforcing rib in second of inside having in a kind of battery for electric automobile case provided by the invention
Structural schematic diagram；
Fig. 7 is the overall structure signal for the aluminum frame having in a kind of battery for electric automobile case provided by the invention
Figure；
Fig. 8 is the front-end architecture amplification for the aluminum frame having in a kind of battery for electric automobile case provided by the invention
Schematic diagram；
Fig. 9 is that the Battery case having in a kind of battery for electric automobile case provided by the invention runs through support fixed column
Structural schematic diagram；
Figure 10 is that the structure for the upper box fixing bolt having in a kind of battery for electric automobile case provided by the invention is shown
It is intended to；
Figure 11 is the T-shaped fixes sleeve of cabinet entrucking having in a kind of battery for electric automobile case provided by the invention
Structural schematic diagram；
In figure: 1, aluminium sheet metal base plate；11, the first circular hole；2, a first lateral word reinforcing rib；
3, a second lateral word reinforcing rib；31, self-clinching nut mounting hole；4, first longitudinal direction T-type reinforcing rib；5, second longitudinal direction
T-type reinforcing rib；
6, water-cooled plate positioning column；7, aluminum frame；71, the first ladder-like concave station；72, the second ladder-like concave station；73,
Two circular holes；
8；, Battery case through support fixed column；81, step；82, steel-wire screw-socket；
9, upper box fixing bolt；91, hollow hole；92, flange；93, external screw thread
10, cabinet entrucking fixes sleeve.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawing with embodiment to this
Invention is described in further detail.
Referring to Fig. 1 to Figure 11, the present invention provides a kind of battery for electric automobile casees, the aluminium metal plate bottom including cross direction profiles
Plate 1；
The top surface edge of the aluminium sheet metal base plate 1, fixed setting (such as riveting or threaded connections) have a ring
Around the aluminum frame 7 of distribution；
The top surface front and rear sides of the aluminium sheet metal base plate 1 are fixedly installed the first lateral one of a cross direction profiles respectively
Word reinforcing rib 2；
In the middle part of the top surface of the aluminium sheet metal base plate 1, it is arranged at intervals with a second lateral word reinforcing rib of two cross direction profiles
3；
The top surface left and right ends of first lateral a word reinforcing rib 2 and a second lateral word reinforcing rib 3, are fixedly installed respectively
The second longitudinal direction T-type reinforcing rib 5 of one genesis analysis；
In the middle part of the top surface of a first lateral word reinforcing rib 2 and a second lateral word reinforcing rib 3, it is arranged at intervals with two longitudinal directions
The first longitudinal direction T-type reinforcing rib 4 of distribution；
A first lateral word reinforcing rib 2, second laterally indulge by a word reinforcing rib 3 and first longitudinal direction T-type reinforcing rib 4 and second
To T-type reinforcing rib 5, positioned at the inside of aluminum frame 7.
In the present invention, in specific implementation, the surrounding outer edge of aluminum frame 7 is equidistantly provided with multiple cabinet dresses
Vehicle fixes sleeve 10 (concrete shape be T-shaped), for by the fixation between Battery case and electric automobile whole of the invention
(by connecting screw, realizing the connection that is screwed).
In specific implementation, the bottom inside of aluminum frame 7 is equipped with the first ladder-like concave station 71 and the second ladder-like concave station
72；
First ladder-like concave station 71 is located at the inside of the second ladder-like concave station 72；
Wherein, the first ladder-like concave station 71 be used for and 1 Friction Stir Welding of aluminium sheet metal base plate, the second ladder-like concave station 72
The bottom flush of concave surface and aluminium sheet metal base plate 1；
The outside of aluminum frame 7 is equidistantly provided with multiple second circular holes 73, for carrying out installs case by interference fit
Body entrucking fixes sleeve 10.
In the present invention, in specific implementation, aluminum frame 7 is formed by multistage aluminum profile welding.
In the present invention, in specific implementation, 4 top of first longitudinal direction T-type reinforcing rib is also longitudinal to be equidistantly provided with multiple electricity
Pond cabinet is through support fixed column 8；
Each Battery case is connected with a upper box fixing bolt 9 through support 8 screw top of fixed column.
In specific implementation, the centre of aluminium sheet metal base plate 1 is provided with for fixing Battery case through the two of support fixed column 8
It ranked first circular hole 11, the welding with Battery case before support fixed column 8 completed by argon arc welding.
In specific implementation, Battery case has step 81 among support fixed column 8, for reinforcing with first longitudinal direction T-type
Muscle 4 welds；
Each Battery case is embedded with steel-wire screw-socket 82 through the top of support fixed column 8, for fixing spiral shell with upper box
9 phase of bolt bolt, the fixation and sealing of the upper cover (figure omits, and shape size is with aluminium sheet metal base plate 1) for battery case.
In specific implementation, the middle part of upper box fixing bolt 9 has flange 92；
The top of upper box fixing bolt 9 has hollow hole 91；
The lower external face of upper box fixing bolt 9 has external screw thread 93.
In the present invention, in specific implementation, the first lateral word reinforcing rib 3 and first of a lateral word reinforcing rib 2, second
On longitudinal T-type reinforcing rib 4 and second longitudinal direction T-type reinforcing rib 5, it is respectively provided with self-clinching nut mounting hole 31, and pass through self-clinching nut,
Realize the fixation of position,.
In the present invention, in specific implementation, the first lateral word reinforcing rib 3 and first of a lateral word reinforcing rib 2, second
Longitudinal T-type reinforcing rib 4 and second longitudinal direction T-type reinforcing rib 5 will be with 7 phases of aluminium sheet metal base plate 1 or aluminum frame by argon arc welding
It is welded the position of contact.
In the present invention, in specific implementation, the most bottom surface of aluminum frame 7, height in vertical direction, than aluminium metal plate
The low preset distance of bottom plate 1.It may therefore be assured that there is stone or hard below the electric car that battery case of the present invention is installed
When other objects collide, it is merely able to the aluminum frame of damage battery case, and the aluminium sheet metal base plate of cabinet is not destroyed.
In the present invention, in specific implementation, aluminium sheet metal base plate 1, Battery case are fixed through support fixed column 8, upper box
After the completion of bolt 9 combines, there are through-holes, for being mounted on electric car.Specifically for across entrucking bolt, the present invention is mentioned
The battery case (built with battery system) and electric car body of confession are fixed up, and avoid battery system because overweight, cause
In long-play or vibration processes, there is the problem of intermediate sinking.
In the present invention, in specific implementation, the top surface of a second lateral word reinforcing rib 3 acts on two sides, is also respectively set more
A water-cooled plate positioning column 6, for need water-cooled plate to be mounted to be fixed on the positioning.
It should be noted that the working principle of the invention is: aluminum frame 7 and aluminium sheet metal base plate 1, using agitating friction
Welding, aluminum frame 7 carry out Segmented butt-welding using aluminum extruded profile, and there are two types of T-shaped beam and two kinds of linear types for inside tool
Reinforcing rib combination, is connect by welding with aluminum frame 7, is welded by discontinuous welding and bottom plate, to increase whole structure
Intensity, and make overall weight too heavy.
Multiple reinforcing ribs (including a first lateral word reinforcing rib 2, second laterally a word reinforcing rib 3 and first longitudinal direction T-type
Reinforcing rib 4 and second longitudinal direction T-type reinforcing rib 5) it is connect by the way of welding with aluminum frame 7, using the side of segmented welding
Formula and aluminium sheet metal base plate 1 are welded.
Have hollow Battery case through support fixed column 8 among first longitudinal direction T-type reinforcing rib 4, to run through battery case
Body allows entrucking bolt to pass through Battery case and external electric automobile whole and directly fixes, avoids battery system because of mistake
Weight leads to occur the problem of intermediate sinking in long-play or vibration processes.Battery case bottom plate is higher than Battery case frame
Several distances out guarantee the side that damage Battery case is merely able to when having stone or hard object collision battery system below vehicle
Frame, and box baseplate is not destroyed.
It should also be noted that, aluminum frame 7 squeezes out the profile with structural strength using aluminium ingot for the present invention,
It is installed together in the form of welding, multiple reinforcing ribs (including first laterally a word reinforcing rib 2, second laterally reinforce by a word
Muscle 3 and first longitudinal direction T-type reinforcing rib 4 and second longitudinal direction T-type reinforcing rib 5) it is fixed equipped with self-clinching nut mounting hole 31, water-cooled plate
Position column 6 is installed by pressing or rivet nut at self-clinching nut for battery case.
In specific implementation, also there is the lifting lug bolted with electric automobile whole on aluminum frame 7, by battery case spiral shell
Bolt is fixed on carriage frame.For the intensity for increasing lifting lug, on lifting lug, interference fit is stood upside down, and to be mounted on T-shaped cabinet entrucking solid
Determine on sleeve 10, so that fixing bolt is waited during installation, flange face is pressed on the flange of cabinet entrucking fixes sleeve 10, when installation
Bolt pretightening is absorbed by cabinet entrucking fixes sleeve 10, and aluminum Battery case of the invention is avoided to be damaged.
Therefore, the intensity of battery case can be significantly improved it is found that for the present invention based on above technical scheme, and subtracted
The light weight of cabinet, makes contributions to increase the energy density of battery system of entire electric car.Compared with prior art
Compared with, battery case of the invention is compact-sized, it occupies little space, structural strength height, highly-safe, light-weight, the bottom of battery case
Portion prevents stone from hitting among when ability is strong, and collision resistance is strong and battery system operates for a long time the advantages that being not easy.
Therefore, in conclusion compared with prior art, the present invention provides a kind of battery for electric automobile case, knots
Design is scientific and reasonable for structure, compact-sized, and intensity is high, can guarantee in the case where light weight, have below vehicle stone or
When other hard physical impacts of person, there is good crash worthiness energy, be conducive to widely apply, it is real with great production
Trample meaning.
The working principle of the invention, essential characteristic and advantage is explained above, the purpose is to allow those skilled in the art to understand this
The principle of invention and implementation, can not limit the scope of the invention.All essence transformation according to the present invention improve, all
It should fall under the scope of the present invention.
Claims (9)
1. a kind of battery for electric automobile case, which is characterized in that the aluminium sheet metal base plate (1) including cross direction profiles；
The top surface edge of the aluminium sheet metal base plate (1) is fixedly installed an aluminum frame (7) around distribution；
The top surface front and rear sides of the aluminium sheet metal base plate (1) are fixedly installed a first lateral word an of cross direction profiles respectively
Reinforcing rib (2)；
In the middle part of the top surface of the aluminium sheet metal base plate (1), it is arranged at intervals with a second lateral word reinforcing rib of two cross direction profiles
(3)；
The top surface left and right ends of a first lateral word reinforcing rib (2) and a second lateral word reinforcing rib (3), are fixedly installed respectively
The second longitudinal direction T-type reinforcing rib (5) of one genesis analysis；
In the middle part of the top surface of a first lateral word reinforcing rib (2) and a second lateral word reinforcing rib (3), it is arranged at intervals with two longitudinal directions
The first longitudinal direction T-type reinforcing rib (4) of distribution；
A first lateral word reinforcing rib (2), a second lateral word reinforcing rib (3) and first longitudinal direction T-type reinforcing rib (4) and second
Longitudinal T-type reinforcing rib (5) is located at the inside of aluminum frame (7)；
The most bottom surface of aluminum frame (7), height in vertical direction, preset distance lower than aluminium sheet metal base plate (1).
2. battery for electric automobile case as described in claim 1, which is characterized in that the surrounding outer edge of aluminum frame (7),
It is equidistantly provided with multiple cabinet entrucking fixes sleeves (10).
3. battery for electric automobile case as claimed in claim 2, which is characterized in that the bottom inside of aluminum frame (7) is set
There are the first ladder-like concave station (71) and the second ladder-like concave station (72)；
First ladder-like concave station (71) is located at the inside of the second ladder-like concave station (72)；
Wherein, the first ladder-like concave station (71) be used for and aluminium sheet metal base plate (1) welding, the concave surface of the second ladder-like concave station (72) and
The bottom flush of aluminium sheet metal base plate (1)；
Multiple second circular holes (73) are equidistantly provided on the outside of aluminum frame (7), for carrying out installs case by interference fit
Body entrucking fixes sleeve (10).
4. battery for electric automobile case as described in claim 1, which is characterized in that aluminum frame (7) is by multistage aluminum profile
Welding forms.
5. battery for electric automobile case according to any one of claims 1 to 4, which is characterized in that first longitudinal direction T-type is reinforced
It is also longitudinal to be equidistantly provided with multiple Battery cases through support fixed column (8) at the top of muscle (4)；
Each Battery case is connected with a upper box fixing bolt (9) through support fixed column (8) screw top.
6. battery for electric automobile case as claimed in claim 5, which is characterized in that the centre of aluminium sheet metal base plate (1) is provided with
It ranked first circular hole (11) through the two of support fixed column (8) for fixing Battery case.
7. battery for electric automobile case as claimed in claim 5, which is characterized in that Battery case is through support fixed column (8)
Centre has step (81), for welding with first longitudinal direction T-type reinforcing rib (4).
Each Battery case is embedded with steel-wire screw-socket (82) above support fixed column (8), for fixing spiral shell with upper box
Bolt (9) mutually bolts.
8. battery for electric automobile case as claimed in claim 4, which is characterized in that the middle part of upper box fixing bolt (9) has
There are flange (92)；
The top of upper box fixing bolt (9) has hollow hole (91)；
The lower external face of upper box fixing bolt (9) has external screw thread (93).
9. battery for electric automobile case as claimed in claim 7, which is characterized in that the first lateral word reinforcing rib (2), second
On a lateral word reinforcing rib (3) and first longitudinal direction T-type reinforcing rib (4) and second longitudinal direction T-type reinforcing rib (5), it is respectively provided with pressure
Riveting nut mounting hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290813.1A CN110137398A (en) | 2019-04-11 | 2019-04-11 | A kind of battery for electric automobile case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290813.1A CN110137398A (en) | 2019-04-11 | 2019-04-11 | A kind of battery for electric automobile case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110137398A true CN110137398A (en) | 2019-08-16 |
Family
ID=67569873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910290813.1A Pending CN110137398A (en) | 2019-04-11 | 2019-04-11 | A kind of battery for electric automobile case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110137398A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611064A (en) * | 2019-09-29 | 2019-12-24 | 江苏大学 | Aluminum alloy battery pack lower shell |
| CN112271369A (en) * | 2020-10-15 | 2021-01-26 | 中国第一汽车股份有限公司 | Box, battery assembly and electric vehicle under bearing |
| CN112582743A (en) * | 2019-09-27 | 2021-03-30 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
| CN113410573A (en) * | 2021-05-24 | 2021-09-17 | 东风柳州汽车有限公司 | Power battery tray |
| CN113629333A (en) * | 2021-06-25 | 2021-11-09 | 东风汽车集团股份有限公司 | Box, power battery and vehicle |
| CN113839132A (en) * | 2020-06-05 | 2021-12-24 | 奥动新能源汽车科技有限公司 | Battery box and preparation method thereof |
| CN114194015A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN115312952A (en) * | 2022-09-16 | 2022-11-08 | 江苏奥特帕斯新能源科技有限公司 | Composite frame type battery box body of electric automobile, assembly tool and assembly method thereof |
-
2019
- 2019-04-11 CN CN201910290813.1A patent/CN110137398A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582743A (en) * | 2019-09-27 | 2021-03-30 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
| CN110611064A (en) * | 2019-09-29 | 2019-12-24 | 江苏大学 | Aluminum alloy battery pack lower shell |
| CN110611064B (en) * | 2019-09-29 | 2024-09-03 | 江苏大学 | Lower shell of aluminum alloy battery pack |
| CN113839132A (en) * | 2020-06-05 | 2021-12-24 | 奥动新能源汽车科技有限公司 | Battery box and preparation method thereof |
| CN114194015B (en) * | 2020-09-17 | 2024-05-31 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN114194015A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN114194014A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN114194017A (en) * | 2020-09-17 | 2022-03-18 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part |
| CN114194017B (en) * | 2020-09-17 | 2024-05-31 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for horizontally mounting battery pack and electric automobile with battery pack mounting part |
| CN114194014B (en) * | 2020-09-17 | 2024-05-31 | 奥动新能源汽车科技有限公司 | Battery pack mounting part for mounting battery pack and electric automobile with battery pack mounting part |
| CN112271369A (en) * | 2020-10-15 | 2021-01-26 | 中国第一汽车股份有限公司 | Box, battery assembly and electric vehicle under bearing |
| CN113410573A (en) * | 2021-05-24 | 2021-09-17 | 东风柳州汽车有限公司 | Power battery tray |
| CN113629333A (en) * | 2021-06-25 | 2021-11-09 | 东风汽车集团股份有限公司 | Box, power battery and vehicle |
| CN115312952B (en) * | 2022-09-16 | 2023-09-22 | 江苏奥特帕斯新能源科技有限公司 | Composite frame type battery box body of electric automobile, assembly tool and assembly method of assembly tool |
| CN115312952A (en) * | 2022-09-16 | 2022-11-08 | 江苏奥特帕斯新能源科技有限公司 | Composite frame type battery box body of electric automobile, assembly tool and assembly method thereof |
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