CN208111535U - Aluminum alloy box body for battery pack of pure electric passenger car - Google Patents
Aluminum alloy box body for battery pack of pure electric passenger car Download PDFInfo
- Publication number
- CN208111535U CN208111535U CN201820593925.5U CN201820593925U CN208111535U CN 208111535 U CN208111535 U CN 208111535U CN 201820593925 U CN201820593925 U CN 201820593925U CN 208111535 U CN208111535 U CN 208111535U
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- CN
- China
- Prior art keywords
- frame
- bottom plate
- battery pack
- passenger car
- pure electric
- 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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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 11
- 229910052786 argon Inorganic materials 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000004575 stone Substances 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 2
- 238000006748 scratching Methods 0.000 abstract 1
- 230000002393 scratching effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model relates to an aluminum alloy box for pure electric passenger car battery package. The aluminum alloy wire harness fixing device comprises a bottom plate and a frame, wherein the bottom plate is made of aluminum alloy materials, the bottom plate is provided with a vertical rib used for fixing a module, a rivet nut used for fixing an electric device and a U-shaped support used for fixing a high-voltage wire harness and a low-voltage wire harness. According to the technical scheme, the box body of the utility model adopts six series of aluminum alloys, through the design of a better section, the end face of the bottom plate lapped with the frame is filled with the solid aluminum block, the corner of the rear frame adopts the solid aluminum block for switching, and the scheme of friction stir welding, argon arc welding and the like is applied, so that the whole box body has light weight, higher structural strength and good corrosion resistance; the sections at the two ends of the frame are welded and sealed by sealing plates, so that the air tightness of the box body is ensured; the bottom plate adopts a double-layer design, so that the structural strength is increased, and the risks caused by scratching and stone hitting on the road surface are greatly reduced.
Description
Technical field
The utility model relates to a kind of aluminium alloy boxs for pure electric vehicle passenger car battery pack.
Background technique
In recent years, under national policy guiding, new-energy automobile obtains development at full speed, and electrokinetic cell system is as new energy
The core component of source automobile, battery system are mounted on body bottom more, and envelope can undergo the environment of various cruelty, cabinet
As a part of envelope, the battery pack in envelope is not only supported and protect, it will also be in face of extraneous impact and corrosion.
Existing Battery case is mostly used panel beating or cast aluminium processing, the former mostly uses punch process, and mold takes height, and
And weight is laid particular stress on, corrosion resistance and air-tightness are poor；The latter is also required to be opened, and mold is very big, and price is high, and casting fluidity is poor,
And the defects of thickness requirement can not be too thin, is also also easy to produce sand holes, stomata.The extrusion aluminum-type material cabinet that part company uses is more
Using tower structure, i.e. frame hollow profile, bottom plate single layer aluminium sheet, if such structural base is scratched by road surface or stone
When son impact, the airtight failure of cabinet may result in, even damage box house liquid cooling system, cause more serious safe thing
Therefore.
Utility model content
The purpose of this utility model is to provide a kind of aluminium alloy box for pure electric vehicle passenger car battery pack, the cabinets
Have many advantages, such as that light-weight, corrosion-resistant, intensity is high, air-tightness is good.
To achieve the above object, the utility model uses following technical scheme：Bottom plate and side including aluminum alloy material
Frame, the bottom plate include the noseplate set gradually, the first insole board, the second insole board and rear bottom plate, the sole shape
At front end be it is trapezoidal, rear end is rectangular cross sectional shape, the frame includes front bezel, left front frame, right front bezel, the left side
Frame, left frame and rear frame, wherein：Front bezel, left front frame, right front bezel are matched with noseplate, and front bezel is with before
Bottom plate is integrally formed；Left frame, left frame and rear frame are matched with the first insole board, the second insole board and rear bottom plate respectively,
And rear frame and rear bottom plate are integrally formed, the bottom plate is equipped with the stud for fixed module, for fixing electrical part
Rivet nut and u-bracket for fixing high-low pressure harness.
The front bezel, left front frame, right front bezel, left frame, left frame and rear frame section at be respectively equipped with
Chamfering, and sealing plate is welded at two end sections of above-mentioned each frame.
Mounting bar is respectively equipped on the left front frame, right front bezel, left frame and left frame, on the mounting bar
Equipped with the first mounting hole to match with vehicle position of mounting hole, the mounting bar respectively with left front frame, right front bezel, a left side
Frame and left frame are integrally formed, and the both ends of mounting bar are equipped with the wind deflector of sealing mounting bar.
Transfer block is respectively equipped between the rear frame and left frame, rear frame and left frame, the transfer block is
Solid aluminum block, the rear frame are equipped with the second mounting hole for installing battery pack after-poppet.
The stud and bottom plate are integrally formed, and the installation site for installing liquid cooling plate is milled on stud, described
It is additionally provided with the first threaded hole on stud, is equipped with steel-wire screw-socket in first threaded hole.
The frame end face mutually close with bottom plate is provided inwardly with the square-shaped recess for accommodating bottom end, the frame
It is step-lap between bottom plate, the bottom plate and frame mutually overlapped end are filled with solid aluminum block, and bottom plate and frame
Outside welded using agitating friction, the inside of bottom plate and frame uses argon arc welding.
The bottom plate is double-layer structure, including upper plate disposed in parallel and lower plate, between the upper plate and lower plate
It is furnished with the reinforcing rib of both connections.
The frame and bottom plate is made of six line aluminium alloys of the surface Jing Guo anodized.
Argon arc welding is used between the front bezel, left front frame, right front bezel, left frame, left frame and rear frame
Welding.
As shown from the above technical solution, the cabinet of the utility model uses six line aluminium alloys, passes through preferably profile section
Design fills solid aluminum block with frame overlapped bottom plate endface, and rear frame corner is rubbed using solid aluminum block switching with stirring
The schemes such as weldering and argon arc welding are wiped, make entire cabinet light weight, structural strength is higher, and corrosion resistance is good；It is used at two end section of frame
Sealing plate welded seal ensure that the air-tightness of cabinet；Bottom plate uses double layer design, helps to increase structural strength, subtract significantly
Light road surface, which is scratched, hits bring risk with stone.
Detailed description of the invention
Fig. 1 is the schematic perspective view one of the utility model；
Fig. 2 is the schematic perspective view two of the utility model；
Fig. 3 is the schematic cross-section of the utility model noseplate and front bezel；
Fig. 4 is the schematic cross-section of bottom plate and rear frame after the utility model；
Fig. 5 is the utility model bottom plate and frame mutually overlapped structural schematic diagram；
Fig. 6 is the portion the C enlarged drawing of Fig. 1.
Specific embodiment
The utility model is described further with reference to the accompanying drawing：
A kind of aluminium alloy box for pure electric vehicle passenger car battery pack as shown in Figure 1 and Figure 2, including aluminum alloy material
Bottom plate 1 and frame 2, bottom plate 1 includes the noseplate 11, the first insole board 12, the second insole board 13 and the rear bottom plate that set gradually
14, it be trapezoidal, rear end is rectangular cross sectional shape that bottom plate 1, which forms front end, frame include front bezel 21, left front frame 22, it is right before
Frame 23, left frame 24, left frame 25 and rear frame 26, wherein：Front bezel 21, left front frame 22, right front bezel 23 are with before
Bottom plate 11 matches, and front bezel 21 and noseplate 11 are integrally formed；Left frame 24, left frame 25 and rear frame 26 are respectively with
One insole board 12, the second insole board 13 and rear bottom plate 14 match, and rear frame 26 and rear bottom plate 14 are integrally formed, such as Fig. 3, figure
Shown in 4, that is, noseplate 11 and front bezel 21 are integrated the profile of extrusion, and rear frame 26 is integrated extrusion with rear bottom plate 14
Profile, shrinkage caused by can reducing welding capacity in this way and welding because of agitating friction, improves the precision of cabinet production, increases cabinet
Structural strength；Bottom plate is equipped with the stud 3 for fixed module, the rivet nut 4 for fixing electrical part and for fixing
The u-bracket 5 of high-low pressure harness.
Further, front bezel 21, left front frame 22, right front bezel 23, left frame 24, left frame 25 and rear frame 26
It is respectively equipped with chamfering at section, and is welded with sealing plate 6 at two end sections of above-mentioned each frame, sealing plate 6 can prevent battery pack
Interior gas enters in profile, to guarantee the intensity and air-tightness of cabinet.
Further, it is respectively equipped with mounting bar 7 on left front frame 22, right front bezel 23, left frame 24 and left frame 25, pacified
Dress item 7 is equipped with the first mounting hole 71 to match with vehicle position of mounting hole, and mounting bar 7 is respectively and before left front frame 22, the right side
Frame 23, left frame 24 and left frame 25 are integrally formed, and the both ends of mounting bar 7 are equipped with the wind deflector 72 of sealing mounting bar, gear
Aerofoil 72 can prevent battery pack from generating wind howl under high vehicle speeds.
Further, as shown in figure 5, being respectively equipped between rear frame 26 and left frame 24, rear frame 26 and left frame 25
Transfer block 8, transfer block 8 are solid aluminum block, that is, solid aluminium block is filled with after in the endface of left frame and left frame respectively
Frame overlap joint, overlapped, and outside A is welded using agitating friction weldering, and overlapped, and inside B uses argon arc welding welding；It is set on frame 26 afterwards
There is the second mounting hole 261 for installing battery pack after-poppet.
Further, it as shown in fig. 6, stud 3 and bottom plate are integrally formed, and is milled on stud 3 for installing liquid cooling plate
Installation site 31, that is, mill out on stud 3 space of installation liquid cooling plate, is additionally provided with the first threaded hole 32 on stud 3, and first
Steel-wire screw-socket is equipped in threaded hole 32.
Further, the end face mutually close with bottom plate 1 of frame 2 is provided inwardly with the square-shaped recess for accommodating 1 end of bottom plate, frame
It is step-lap between 2 and bottom plate 1, overlapped that end is filled with solid aluminum block 9, and bottom plate 1 and frame 2 for bottom plate 1 and 2 phase of frame
Outside welded using agitating friction, the inside of bottom plate 1 and frame 2 uses argon arc welding.
Further, bottom plate 1 is double-layer structure, including upper plate disposed in parallel and lower plate, is evenly distributed between upper plate and lower plate
There is the reinforcing rib 15 of both connections.Bottom plate 1 use double layer design, facilitate increase structural strength, significantly mitigation road surface scratch and
Stone hits bring risk；Impact can be absorbed when bottom is collided simultaneously, guarantee the intensity and air-tightness of cabinet.
Further, six line aluminium alloys of frame 2 and bottom plate 1 using surface Jing Guo anodized are made.
Further, front bezel 21, left front frame 22, right front bezel 23, left frame 24, left frame 25 and rear frame 26
Between use argon arc welding welding.
The beneficial effects of the utility model are：1）Noseplate and front bezel, rear frame and rear bottom plate are integrally formed, reduce
Shrinkage caused by welding because of welding capacity and agitating friction, improves the precision of cabinet production, increases the structural strength of cabinet；2）It is close
Sealing plate can prevent the gas in battery pack from entering in profile, to guarantee the intensity and air-tightness of cabinet；3）Wind deflector can be with
Prevent battery pack from generating wind howl under high vehicle speeds；4）Bottom plate uses double layer design, helps to increase structural strength, significantly
Mitigation road surface, which is scratched, hits bring risk with stone；Impact can be absorbed when bottom is collided simultaneously, guarantee that the intensity of cabinet is gentle
Close property；5）Entire cabinet light weight, structural strength is high, and corrosion resistance is good.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (9)
1. a kind of aluminium alloy box for pure electric vehicle passenger car battery pack, it is characterised in that：Bottom plate including aluminum alloy material
（1）And frame（2）, the bottom plate（1）Including the noseplate set gradually（11）, the first insole board（12）, the second insole board
（13）And rear bottom plate（14）, the bottom plate formed front end be it is trapezoidal, rear end is rectangular cross sectional shape, the frame includes
Front bezel（21）, left front frame（22）, right front bezel（23）, left frame（24）, left frame（25）And rear frame（26）,
In：Front bezel（21）, left front frame（22）, right front bezel（23）With noseplate（11）It matches, and front bezel（21）With preceding bottom
Plate（11）It is integrally formed；Left frame（24）, left frame（25）And rear frame（26）Respectively with the first insole board（12）, the second indsole
Plate（13）And rear bottom plate（14）It matches, and rear frame（26）With rear bottom plate（14）Integrally formed, the bottom plate, which is equipped with, to be used
In the stud of fixed module（3）, rivet nut for fixing electrical part（4）And the U-shaped branch for fixing high-low pressure harness
Frame（5）.
2. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Front bezel（21）, left front frame（22）, right front bezel（23）, left frame（24）, left frame（25）And rear frame（26）Section
Place is respectively equipped with chamfering, and is welded with sealing plate at two end sections of above-mentioned each frame（6）.
3. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Left front frame（22）, right front bezel（23）, left frame（24）And left frame（25）On be respectively equipped with mounting bar（7）, the peace
Fill item（7）It is equipped with the first mounting hole to match with vehicle position of mounting hole（71）, the mounting bar（7）Respectively with it is left front
Frame（22）, right front bezel（23）, left frame（24）And left frame（25）It is integrally formed, and mounting bar（7）Both ends be equipped with it is close
Seal the wind deflector of mounting bar（72）.
4. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Frame afterwards（26）With left frame（24）, rear frame（26）With left frame（25）Between be respectively equipped with transfer block（8）, the switching
Block（8）For solid aluminum block, the rear frame（26）It is equipped with the second mounting hole for installing battery pack after-poppet（261）.
5. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Stud（3）It is integrally formed with bottom plate, and stud（3）On be milled with installation site for installing liquid cooling plate（31）, the stud
（3）On be additionally provided with the first threaded hole（32）, first threaded hole（32）Inside it is equipped with steel-wire screw-socket.
6. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Frame（2）With bottom plate（1）Mutually close end face is provided inwardly with receiving bottom plate（1）The square-shaped recess of end, the frame（2）With
Bottom plate（1）Between be step-lap, the bottom plate（1）With frame（2）Mutually overlapped, and end is filled with solid aluminum block（9）, and
Bottom plate（1）With frame（2）Outside using agitating friction weld, bottom plate（1）With frame（2）Inside use argon arc welding.
7. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Bottom plate（1）For double-layer structure, including upper plate disposed in parallel and lower plate, both connections are evenly equipped between the upper plate and lower plate
Reinforcing rib（15）.
8. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Frame（2）And bottom plate（1）Six line aluminium alloys using surface Jing Guo anodized are made.
9. the aluminium alloy box according to claim 1 for pure electric vehicle passenger car battery pack, it is characterised in that：Described
Front bezel（21）, left front frame（22）, right front bezel（23）, left frame（24）, left frame（25）And rear frame（26）Between
Using argon arc welding welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820593925.5U CN208111535U (en) | 2018-04-24 | 2018-04-24 | Aluminum alloy box body for battery pack of pure electric passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820593925.5U CN208111535U (en) | 2018-04-24 | 2018-04-24 | Aluminum alloy box body for battery pack of pure electric passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111535U true CN208111535U (en) | 2018-11-16 |
Family
ID=64115832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820593925.5U Active CN208111535U (en) | 2018-04-24 | 2018-04-24 | Aluminum alloy box body for battery pack of pure electric passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768199A (en) * | 2019-01-16 | 2019-05-17 | 广汽新能源汽车有限公司 | The production method of battery involucrum lower case |
| CN112582743A (en) * | 2019-09-27 | 2021-03-30 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
-
2018
- 2018-04-24 CN CN201820593925.5U patent/CN208111535U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768199A (en) * | 2019-01-16 | 2019-05-17 | 广汽新能源汽车有限公司 | The production method of battery involucrum lower case |
| CN109768199B (en) * | 2019-01-16 | 2021-12-17 | 广汽埃安新能源汽车有限公司 | Method for manufacturing lower shell of battery cladding |
| CN112582743A (en) * | 2019-09-27 | 2021-03-30 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
| CN112582743B (en) * | 2019-09-27 | 2022-08-09 | 比亚迪股份有限公司 | Tray, battery pack and vehicle |
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