CN109037500A - A kind of aluminium alloy power battery cabinet lower case and processing method - Google Patents
A kind of aluminium alloy power battery cabinet lower case and processing method Download PDFInfo
- Publication number
- CN109037500A CN109037500A CN201810932052.0A CN201810932052A CN109037500A CN 109037500 A CN109037500 A CN 109037500A CN 201810932052 A CN201810932052 A CN 201810932052A CN 109037500 A CN109037500 A CN 109037500A
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- China
- Prior art keywords
- frame
- welded
- lower case
- power battery
- aluminium alloy
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Classifications
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- 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
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- 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)
- Arc Welding In General (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of aluminium alloy power battery cabinet lower case and processing methods, lower case includes in the frame of end to end frame-shaped construction, the bottom plate of bottom for being fixed at the frame-shaped construction that the frame is surrounded, the crossbeam being fixed on the bottom plate, the lifting lug being fixed on the frame and the intake-outlet being fixed on the frame, and the intake-outlet is connected with the inner cavity for the closing frame-shaped construction that the frame is surrounded.The lower case structure is simple, and overall weight is lighter, meets lightweight development trend；And processing capacity is few, and cost is relatively low, high-efficient, is suitable for being produced in enormous quantities.
Description
Technical field
The present invention relates to power battery equipment technology fields, and in particular to a kind of aluminium alloy power battery cabinet lower case and
Processing method.
Background technique
As the environmental consciousness of the increasingly depleted and people of fossil energy increasingly improves, the development of new-energy automobile is increasingly
It is valued by people, and new energy pure electric automobile has become the main flow direction of the development of automobile.And the light weight for passing through automobile
Change can effectively reduce electric car energy consumption, increase course continuation mileage, and improve security performance to a certain extent, so lightweight pair
It is of great significance in the development of new energy pure electric automobile.
In relevant technology, traditional Battery case mostly uses metal plate steel plate machine-shaping, but sheet metal box body is heavier, no
Meet the trend of automotive light weight technology development.Existing aluminum profile cabinet mostly uses aluminum profile welding, and weld seam quantity is more, welding
Amount is big, causes workpiece deformation big, and sealing performance realizes that difficulty is big, high production cost.
Summary of the invention
The purpose of the present invention is being directed to the problems of the prior art, provide under a kind of improved aluminium alloy power battery cabinet
Shell.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of aluminium alloy power battery cabinet lower case, including being in the frame of end to end frame-shaped construction, being fixed at institute
State the bottom plate of the bottom for the frame-shaped construction that frame is surrounded, the crossbeam being fixed on the bottom plate, be fixed at it is described
What lifting lug on frame and the intake-outlet being fixed on the frame, the intake-outlet and the frame were surrounded
The inner cavity of closing frame-shaped construction is connected.
Preferably, the frame is formed by an aluminum profile Integral bending, and the head and the tail interface position of the frame uses TIG
Welding manner is fixed together.
Preferably, the bottom plate is whole aluminum alloy rolled plate.
Preferably, in the junction of the bottom plate and the frame, the back side is welded by the way of whole circle is fully welded using agitating friction
Welding, front are welded by the way of MIG sections of welderings.
Preferably, the crossbeam is provided with multiple, and multiple crossbeams are alternate along the length extending direction of the lower case
Every being arranged in parallel.
Preferably, the crossbeam is located in the inner cavity for the frame-shaped construction that the frame is surrounded, the both ends of the crossbeam
It is welded in such a way that MIG is fully welded with the frame.
Preferably, the crossbeam is welded on the bottom plate by the way of MIG sections of welderings.
Preferably, multiple lifting lugs are respectively set on each side bar of the frame, positioned at opposite the two of the frame
The symmetrical setting of the lifting lug on side bar, the lifting lug are welded on the frame in such a way that MIG is fully welded.
Preferably, the intake-outlet is welded on the frame in such a way that TIG is fully welded.
The present invention also provides a kind of aluminium alloy power battery cabinet lower case processing method, the processing methods are as follows:
It (1) is in end to end frame-shaped construction by an aluminum profile Integral bending, it then will be at the head and the tail interface position of aluminum profile
Welded connecting forms frame；
(2) bottom plate for forming the aluminum alloy rolled plate of monolith is welded to connect in the bottom of the frame；
(3) by beam welding on the bottom plate；
(4) lifting lug and intake-outlet are respectively welded on the frame.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: aluminium of the invention closes
Golden power battery cabinet lower case structure is simple, and overall weight is lighter, meets lightweight development trend；And processing capacity is few, at
This is lower, high-efficient, is suitable for being produced in enormous quantities.
Detailed description of the invention
Attached drawing 1 is the perspective view of aluminium alloy power battery cabinet lower case of the invention；
Attached drawing 2 is the main view of aluminium alloy power battery cabinet lower case of the invention；
Attached drawing 3 is the exploded view of aluminium alloy power battery cabinet lower case of the invention.
Specific embodiment
The technical solution of the present invention will be further described below with reference to the accompanying drawings.
As shown in Fig. 1 ~ Fig. 3, aluminium alloy power battery cabinet lower case of the invention include frame 1, bottom plate 2, crossbeam 3,
Lifting lug 4 and intake-outlet 5.
Frame 1 forms end to end frame-shaped construction by whole aluminum profile bending, and the end to end position of frame 1 uses
The mode of TIG weld is welded and connected, the frame 1 being arranged in this way, compared to the frame that traditional welding is formed, reduces weld seam number
Amount, improves the integral strength and rigidity of frame 1, and improve the air-tightness of frame 1.
Bottom plate 2 is whole aluminum alloy rolled plate, and in the present embodiment, bottom plate is the Rolling Aluminium Plate of 4mm thickness, bottom plate 2
The frame-shaped construction that is surrounded with frame 1 of outer profile match, compared to the prior art in bottom plate 2 welding structure, this Shen
Bottom plate 2 please can preferably control the deformation of bottom plate 2, while reduce processing capacity, and reduce costs.
Bottom plate 2 is connected with frame 1 using welding manner, specifically, the back side is using whole in the weld of bottom plate 2 and frame 1
The mode of circle Friction Stir Welding is welded to connect, and can guarantee weld strength and air-tightness in this way.Front is by the way of MIG sections of welderings
It is welded to connect, welding deformation can be reduced in this way, and reduce cost.
Crossbeam 3 is provided with multiple, length extending direction spaced and parallel setting of multiple crossbeams 3 along frame 1.Multiple crossbeams 3
Be fixedly installed on a base plate 2, and be respectively positioned in the inner cavity for the frame-shaped construction that frame 1 is surrounded, the both ends of crossbeam 3 respectively with
1 phase of frame is fixedly connected.It can reinforce the integral strength and rigidity of cabinet by the way that crossbeam 3 is arranged on a base plate 2.The present embodiment, it is horizontal
Beam 3 uses aluminum profile.
Crossbeam 3 is welded to connect using MIG sections of weldering modes and bottom plate 2, to reduce welding deformation and reduce cost.Crossbeam 3
Both ends are welded to connect in such a way that MIG is fully welded with frame 1.
Lifting lug 4 also uses aluminum profile, is provided on lifting lug 4 for providing the hole for hoist of hoisting box body, lifting lug 4 is fixedly installed
In the outside of frame 1, it is provided with multiple lifting lugs 4 on each side bar of frame 1, and is located at opposite two side bars of frame 1
On the symmetrical setting of lifting lug 4.Specifically, lifting lug 4 is welded on frame 1 in such a way that MIG is fully welded, to guarantee lifting lug 4
Intensity.
Intake-outlet 5 can be used machining and be made, and casting can also be used, before intake-outlet 5 is fixed at frame 1
On the side bar in portion, intake-outlet 5 with the heat management system of cabinet for connecting, while the frame that intake-outlet 5 and frame 1 are surrounded
The inner cavity of shape structure is connected to, and intake-outlet 5 is welded to connect in such a way that TIG is fully welded with frame 1, and air-tightness can be improved in this way.
Rivet nut mounting hole is provided on frame 1, for installing rivet nut, to fix the upper of power battery cabinet
Lid.Steel-wire screw-socket mounting hole is provided on crossbeam 3, for installing steel-wire screw-socket, to fix battery modules and other component.
The processing method of aluminium alloy power battery cabinet lower case is introduced in detail below:
It (1) is in end to end frame-shaped construction by an aluminum profile Integral bending, it then will be at the head and the tail interface position of aluminum profile
Welded connecting forms frame 1, and the end to end position of frame 1 is welded by the way of TIG weld；
(2) bottom plate 2 that the aluminum alloy rolled plate of monolith is formed is welded on to the bottom of frame 1, in the company of bottom plate 2 and frame 1
Place is met, the back side is welded to connect by the way of whole circle Friction Stir Welding, and front is welded to connect by the way of MIG sections of welderings；
(3) on a base plate 2 by the welding of crossbeam 3, crossbeam 3 is using MIG section weldering modes and the welded connecting of bottom plate 2, and by the two of crossbeam 3
End is welded to connect in such a way that MIG is fully welded with frame 1；
(4) lifting lug 4 is welded on frame 1, lifting lug 4 is welded to connect in such a way that MIG is fully welded with frame 1；
(5) intake-outlet 5 is welded on frame 1, intake-outlet 5 is welded to connect in such a way that TIG is fully welded with frame 1.
So just complete the processing and manufacturing of aluminium alloy power battery cabinet lower case, above-mentioned steps (4) and step (5) regardless of
Sequencing can carry out before step (2).
To sum up, lower case of the invention is process using aluminum profile and aluminium sheet, and overall weight is lighter, meets lightweight hair
Exhibition trend；Using the frame of Integral bending, weld seam quantity is reduced and frame strength and stiffness improve；The structure letter of cabinet lower case
Single, processing capacity is few, and cost is relatively low, high-efficient, is suitable for being produced in enormous quantities.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of aluminium alloy power battery cabinet lower case, it is characterised in that: including in end to end frame-shaped construction frame,
It is fixed at the bottom plate of the bottom for the frame-shaped construction that the frame is surrounded, the crossbeam being fixed on the bottom plate, consolidates
The fixed lifting lug being arranged on the frame and the intake-outlet being fixed on the frame, the intake-outlet with it is described
The inner cavity for the closing frame-shaped construction that frame is surrounded is connected.
2. aluminium alloy power battery cabinet lower case according to claim 1, it is characterised in that: the frame is by an aluminium
Profile Integral bending forms, and the head and the tail interface position of the frame is fixed together using TIG weld mode.
3. aluminium alloy power battery cabinet lower case according to claim 1, it is characterised in that: the bottom plate is whole
Aluminum alloy rolled plate.
4. aluminium alloy power battery cabinet lower case according to claim 1, it is characterised in that: the bottom plate with it is described
The junction of frame, the back side are welded by the way of whole circle is fully welded using agitating friction and are welded, and front is welded by the way of MIG sections of welderings.
5. aluminium alloy power battery cabinet lower case according to claim 1, it is characterised in that: the crossbeam is provided with more
A, multiple crossbeams are separately arranged in parallel along the length extending direction of the lower case.
6. aluminium alloy power battery cabinet lower case according to claim 1 or 5, it is characterised in that: the crossbeam is located at
In the inner cavity for the frame-shaped construction that the frame is surrounded, the both ends of the crossbeam and the frame are in such a way that MIG is fully welded
Welding.
7. aluminium alloy power battery cabinet lower case according to claim 1 or 5, it is characterised in that: the crossbeam uses
The mode of MIG sections of welderings is welded on the bottom plate.
8. aluminium alloy power battery cabinet lower case according to claim 1, it is characterised in that: on each side of the frame
Multiple lifting lugs are respectively set on beam, the symmetrical setting of the lifting lug on opposite two side bars of the frame, institute
Lifting lug is stated to be welded in such a way that MIG is fully welded on the frame.
9. aluminium alloy power battery cabinet lower case according to claim 1, it is characterised in that: the intake-outlet uses
The mode that TIG is fully welded is welded on the frame.
10. a kind of aluminium alloy power battery cabinet lower case processing method, it is characterised in that: the processing method are as follows:
It (1) is in end to end frame-shaped construction by an aluminum profile Integral bending, it then will be at the head and the tail interface position of aluminum profile
Welded connecting forms frame；
(2) bottom plate for forming the aluminum alloy rolled plate of monolith is welded to connect in the bottom of the frame；
(3) by beam welding on the bottom plate；
(4) lifting lug and intake-outlet are respectively welded on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932052.0A CN109037500B (en) | 2018-08-16 | 2018-08-16 | Lower shell of aluminum alloy power battery box body and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932052.0A CN109037500B (en) | 2018-08-16 | 2018-08-16 | Lower shell of aluminum alloy power battery box body and processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109037500A true CN109037500A (en) | 2018-12-18 |
| CN109037500B CN109037500B (en) | 2024-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810932052.0A Active CN109037500B (en) | 2018-08-16 | 2018-08-16 | Lower shell of aluminum alloy power battery box body and processing method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509853A (en) * | 2018-12-19 | 2019-03-22 | 江阴东华铝材科技有限公司 | A kind of production technology of High-strength light-weight new energy car battery cladding aluminum profile |
| CN109590690A (en) * | 2018-12-25 | 2019-04-09 | 东风时代(武汉)电池系统有限公司 | The manufacturing method of Integral bending bridging type frame |
| CN109638195A (en) * | 2018-12-25 | 2019-04-16 | 东风时代(武汉)电池系统有限公司 | Shell with Integral bending bridging type frame |
| CN110867545A (en) * | 2019-11-07 | 2020-03-06 | 北京海纳川汽车部件股份有限公司 | Battery box of vehicle, boundary beam of battery box, manufacturing method of boundary beam and vehicle |
| CN111430617A (en) * | 2020-04-07 | 2020-07-17 | 昆山特朗普新能源汽车零部件有限公司 | Lower tray structure of aluminum alloy box |
| CN111922503A (en) * | 2020-07-03 | 2020-11-13 | 广东和胜新能源汽车配件有限公司 | Processing technology of battery shell |
| US20220149453A1 (en) * | 2018-12-21 | 2022-05-12 | Webasto SE | Cooling device for power battery system, power battery system and vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509853A (en) * | 2018-12-19 | 2019-03-22 | 江阴东华铝材科技有限公司 | A kind of production technology of High-strength light-weight new energy car battery cladding aluminum profile |
| US20220149453A1 (en) * | 2018-12-21 | 2022-05-12 | Webasto SE | Cooling device for power battery system, power battery system and vehicle |
| US12166190B2 (en) * | 2018-12-21 | 2024-12-10 | Webasto SE | Cooling device for power battery system, power battery system and vehicle |
| CN109590690A (en) * | 2018-12-25 | 2019-04-09 | 东风时代(武汉)电池系统有限公司 | The manufacturing method of Integral bending bridging type frame |
| CN109638195A (en) * | 2018-12-25 | 2019-04-16 | 东风时代(武汉)电池系统有限公司 | Shell with Integral bending bridging type frame |
| CN109590690B (en) * | 2018-12-25 | 2020-05-15 | 东风时代(武汉)电池系统有限公司 | Method for manufacturing integral bending lap joint type frame |
| CN110867545A (en) * | 2019-11-07 | 2020-03-06 | 北京海纳川汽车部件股份有限公司 | Battery box of vehicle, boundary beam of battery box, manufacturing method of boundary beam and vehicle |
| CN111430617A (en) * | 2020-04-07 | 2020-07-17 | 昆山特朗普新能源汽车零部件有限公司 | Lower tray structure of aluminum alloy box |
| CN111922503A (en) * | 2020-07-03 | 2020-11-13 | 广东和胜新能源汽车配件有限公司 | Processing technology of battery shell |
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|---|---|
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