CN209119197U - A kind of aluminum profile battery case for electric vehicle - Google Patents
A kind of aluminum profile battery case for electric vehicle Download PDFInfo
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- CN209119197U CN209119197U CN201822246986.7U CN201822246986U CN209119197U CN 209119197 U CN209119197 U CN 209119197U CN 201822246986 U CN201822246986 U CN 201822246986U CN 209119197 U CN209119197 U CN 209119197U
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- bottom plate
- battery case
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- electric vehicle
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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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Abstract
The utility model discloses a kind of aluminum profile battery cases for electric vehicle, belong to new energy battery component technical field, including battery case ontology, and battery case ontology is fixedly connected on automobile, and battery case ontology is made of aluminium；Battery case ontology includes bottom plate and the frame for being fixedly connected on floor peripheral；Bottom plate includes the first bottom plate successively welded, the second bottom plate, third bottom plate, the 4th bottom plate and the 5th bottom plate；Frame includes the first frame side that the first bottom end is arranged in, it is separately positioned on the second frame side of the first bottom plate two sides, it is separately positioned on the third frame side of the second bottom plate two sides, it is separately positioned on the 4th frame side of third bottom plate, the 4th bottom plate and the 5th bottom plate two sides, 5th frame side of the 5th bottom end is set, the first frame in, the second frame, third frame in, four frame be fixedly connected between the 5th frame side.A kind of aluminum profile battery case for electric vehicle disclosed by the utility model is structurally reasonable, and anti-corrosive properties are strong, processing easy to produce, reduces processing cost, improves cabinet intensity and energy density.
Description
Technical field
The utility model belongs to new energy battery component technical field more particularly to a kind of aluminum profile electricity for electric vehicle
Pond case.
Background technique
China is in the new-energy automobile high speed development stage, and new-energy automobile largely puts goods on the market, in policy and market
Under guidance, ordinary people starts gradually to receive new-energy automobile, electric car especially pure electric automobile widely into
Enter mass consumption field.
Power battery is the core component of electric car, since battery is all independent monomer, it is therefore desirable to by battery collection
At in battery case, battery case uses metal plate material mostly at present, and although sheet metal box body can satisfy design standard requirement, but again
It measures heavier, causes the energy density of battery pack not high, influence the mileage travelled of vehicle, and die cost is higher, antiseptic property
It is poor, and metal plate bending part is also easy to produce tearing；Existing battery case also uses cast aluminium material, due to manufacturing process problem, is easy to produce
Angry hole, pin hole etc. influence the waterproof ability of Battery case.Therefore, battery box structure has influenced the performance of electrokinetic cell system
It improves.
Summary of the invention
In view of the problems of the existing technology, the utility model provides a kind of structurally reasonable, and anti-corrosive properties are strong, easy to produce
Processing reduces processing cost, improves the aluminum profile battery case for electric vehicle of cabinet intensity and energy density.
The utility model is realized in this way a kind of aluminum profile battery case for electric vehicle, including battery case ontology, it is described
Battery case ontology is fixedly connected on automobile, and the battery case ontology is made of aluminium；The battery case ontology includes bottom plate
With the frame for being fixedly connected on the floor peripheral；
The bottom plate includes the first bottom plate successively welded, the second bottom plate, third bottom plate, the 4th bottom plate and the 5th bottom plate,
The third bottom plate, the 4th bottom plate and the 5th floor length is equal and length is greater than first floor length, second bottom
Plate length is from the first floor length to third floor length straight transitions；
The frame includes the first frame side that the first bottom end is arranged in, and is separately positioned on the second of the first bottom plate two sides
Frame side is separately positioned on the third frame side of the second bottom plate two sides, is separately positioned on third bottom plate, the 4th bottom plate and the 5th bottom plate two
4th frame side of side, is arranged in the 5th frame side of the 5th bottom end, and first frame is in, the second frame, third frame side, the 4th
Frame while with five frames between be fixedly connected.
In the technical solution, battery case ontology is made of aluminium, is alleviated this body weight of battery case, is not likely to produce stomata
And pin hole, the waterproof ability and anticorrosion, antioxidation ability of battery case ontology are improved, while ensure that the structural strength of cabinet；
Welding can be used in above-mentioned bottom plate connection, and agitating friction weldering can be used in welding manner, and which residual stress or deformation are small, maintain
The material property of bottom plate；Box frame is formed after squeezing out using welding, and TIG weldering can be used in welding manner, makes frame made of aluminium
It is not easy to be oxidized in frame welding process, weld is not likely to produce stomata, improves the waterproof ability of battery case ontology；Frame and bottom
Plate is welded to connect, and welding manner uses Friction Stir Welding.The design increases battery case bottom plate and frame strength, alleviates electricity
Pond case weight, improves system energy densities, to improve electric car course continuation mileage, and reduces the processing of battery case
Difficulty improves battery case service life.
In the above-mentioned technical solutions, it is preferred that first bottom plate, the second bottom plate, third bottom plate, the 4th bottom plate and the 5th
Bottom plate by Aluminum extrusion at cavity structure, including upper backup pad and lower supporting plate and connection upper backup pad and lower supporting plate
Supporting rib.
Using cavity structure.Support including upper backup pad and lower supporting plate and connection upper backup pad and lower supporting plate
Muscle.It is that cavity increases the intensity of bottom plate, alleviated the weight of bottom plate using the structure among upper backup pad and lower supporting plate,
Improve the energy density of battery case.
In the above-mentioned technical solutions, it is preferred that first bottom plate, the second bottom plate, third bottom plate, the 4th bottom plate and the 5th
Plate upper surface, which is integrally formed, is equipped with reinforcing beam, and the reinforcing beam is parallel to the first frame side.
Bottom plate extrusion forming together with reinforcing beam not only increases base plate strength, but also can mitigate weight.
In the above-mentioned technical solutions, it is preferred that the reinforcing beam is hollow type structure, and connection is integrally formed in reinforcing beam
The reinforcing rib of reinforcing beam inner sidewall, the interior thickness of the thickness of the reinforcing rib are less than the thickness with reinforcing beam inner sidewall junction
Degree.
The variable cross-section design that reinforcing beam is thicker using two sides, centre is relatively thin, two sides thicker part is suitable for stronger stress, full
Sufficient reinforcing beam actually uses duty requirements, while reducing production cost, alleviates the weight of bottom plate, improves the energy of battery case
Metric density.
In the above-mentioned technical solutions, it is preferred that static housing casting when the 5th frame five frame described in upper vertical,
The box casting is made of cast aluminium material, and the box casting is equipped with through-hole.
Box casting is solderable or is fixedly connected on the 5th frame side by fastener；Box casting is separately fabricated, can keep away
Exempt to squeeze production bring difficulty of processing together with frame, reduces processing cost；The through-hole that box casting is equipped with can be used for solid
Determine high-pressure insert, low pressure plug-in unit, water cooling pipe fitting etc., make compact neat inside battery case, improves radiating efficiency.
In the above-mentioned technical solutions, it is preferred that be integrally formed with collision prevention girders on the outside of the frame.
Frame extrusion forming together with collision prevention girders, increases frame strength；Collision prevention girders are fixedly connected with bottom plate by frame, prevent
It hits that beam can slow down bottom plate and frame is collided, extends the service life of bottom plate and frame.
In the above-mentioned technical solutions, it is preferred that the collision prevention girders outer portion on the outside of the second frame side of first bottom plate two sides
It is not fixedly connected with the first hoisting beam, first hoisting beam is arranged along the base plate plane direction；On the outside of the 5th frame side
It is fixedly connected with the second hoisting beam along the frame axisymmetrical outside collision prevention girders, second hoisting beam is along the base plate plane side
To setting.
The battery case is fixed on automobile by the first hoisting beam and the second hoisting beam, and fastener can be used in fixed form
Connection or welding etc. can be fixedly connected on the other modes on automobile.
In conclusion battery case ontology is made of aluminium, this body weight of battery case is alleviated, stomata and needle are not likely to produce
Hole, improves the waterproof ability and anticorrosion, antioxidation ability of battery case ontology, while ensure that the structural strength of cabinet；Bottom plate
Using cavity structure, increases the intensity of bottom plate, alleviate the weight of bottom plate, improve the energy density of battery case；In addition, bottom
Plate extrusion forming together with reinforcing beam, frame extrusion forming together with collision prevention girders further enhance battery case intensity.This is practical
It is novel to increase battery case bottom plate and frame strength, battery case weight is alleviated, so that electric car course continuation mileage is improved, and
And the difficulty of processing of battery case is reduced, improve battery case service life.
Detailed description of the invention
Fig. 1 is perspective view provided by the embodiment of the utility model；
Fig. 2 is top view provided by the embodiment of the utility model；
Fig. 3 is bottom view provided by the embodiment of the utility model；
Fig. 4 is side view provided by the embodiment of the utility model；
Fig. 5 is the sectional view of the utility model embodiment insole board；
Fig. 6 is squeeze test simulated effect figure.
In figure: 1, battery case ontology；2, bottom plate；21, the first bottom plate；22, the second bottom plate；23, third bottom plate；24, the 4th
Bottom plate；25, the 5th bottom plate；26, reinforcing beam；261, reinforcing rib；201, upper backup pad；202, lower supporting plate；203, supporting rib；
274, cavity；3, frame；31, the first frame side；32, the second frame side；33, third frame side；34, the 4th frame side；35, the 5th frame side；
36, box casting；361, through-hole；37, collision prevention girders；38, the first hoisting beam；39, the second hoisting beam.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.
A kind of aluminum profile battery case for electric vehicle disclosed by the utility model is structurally reasonable, and anti-corrosive properties are strong, easy to produce
Processing reduces processing cost, improves cabinet intensity and energy density, in order to further illustrate the utility model, in conjunction with attached drawing into
Row is elaborated as follows:
As shown in Figure 1 to Figure 3, a kind of aluminum profile battery case for electric vehicle, including battery case ontology 1, the battery case
Ontology 1 is fixedly connected on automobile, and the battery case ontology 1 is made of aluminium；The battery case ontology 1 includes 2 He of bottom plate
It is fixedly connected on the frame 3 on 2 periphery of bottom plate；
The bottom plate 2 includes the first bottom plate 21 successively welded, the second bottom plate 22, third bottom plate 23,24 He of the 4th bottom plate
5th bottom plate 25, the third bottom plate 23, the 4th bottom plate 24 and 25 equal length of the 5th bottom plate and length are greater than first bottom
21 length of plate, 22 length of the second bottom plate is from 21 length of the first bottom plate to 23 length straight transitions of third bottom plate；
The frame 3 includes the first frame side that 21 end of the first bottom plate is arranged in, and is separately positioned on 21 two sides of the first bottom plate
The second frame side 32, be separately positioned on the third frame side 33 of 22 two sides of the second bottom plate, be separately positioned on third bottom plate 23, the 4th bottom
The 5th frame side 35 of 25 end of the 5th bottom plate, first frame is arranged in 4th frame side 34 of 25 two sides of plate 24 and the 5th bottom plate
It is fixedly connected between 34 and the 5th frame side 35 when in, the second frame, 32, third frame is in 33, four frame.
In the technical solution, the bottom plate 2 and frame 3 of battery case ontology 1 are formed by Aluminum extrusion, alleviate battery case sheet
1 weight of body, is not likely to produce stomata and pin hole, improves the waterproof ability and anticorrosion, antioxidation ability of battery case ontology 1, simultaneously
It ensure that the structural strength of cabinet；Welding can be used in the above-mentioned connection of bottom plate 2, and agitating friction weldering can be used in welding manner, and remnants are answered
Power or deformation are small, maintain the material property of bottom plate 2；Box frame 3 is formed after squeezing out using welding, and welding manner can be used
TIG weldering, makes to be not easy to be oxidized in 3 welding process of frame made of aluminium, weld is not likely to produce stomata, improves battery case sheet
The waterproof ability of body 1；Frame 3 and bottom plate 2 are welded to connect, and welding manner uses Friction Stir Welding.The design increases battery
3 intensity of bottom plate 2 and frame, alleviates battery case weight, improves system energy densities, to improve electric car continuation of the journey
Mileage, and the difficulty of processing of battery case is reduced, improve battery case service life.In addition, battery case ontology 1 also can be used
The nonmetallic materials of carbon fiber have good anti-corrosive properties, make Battery case intensity with higher and energy density.
In the above-mentioned technical solutions, it is preferred that first bottom plate (21), the second bottom plate (22), third bottom plate (23), the
Four bottom plates (23) and the 5th bottom plate (23) are by Aluminum extrusion at cavity structure, including upper backup pad (201) and lower supporting plate (202)
And the supporting rib (203) of connection upper backup pad and lower supporting plate.As shown in figure 5, increasing the intensity of bottom plate 2 using the structure
Greatly, the weight for alleviating bottom plate 2 improves the energy density of battery case.
In the above-mentioned technical solutions, it is preferred that first bottom plate (21), the second bottom plate (22), third bottom plate (23), the
Four bottom plates (23) and the 5th bottom plate (23) upper surface, which are integrally formed, is equipped with reinforcing beam (26), and the reinforcing beam (26) is parallel to first
Frame side (31).As shown in Fig. 2, Fig. 5, reinforcing beam 26 may be configured as one or more, and bottom plate 2 is squeezed into together with reinforcing beam 26
Type further increases 2 intensity of bottom plate, and can mitigate weight.
In the above-mentioned technical solutions, it is preferred that the reinforcing beam 26 is hollow type structure, the company of being integrally formed in reinforcing beam
The reinforcing rib 261 of reinforcing beam inner sidewall is connect, the interior thickness of the thickness of the reinforcing rib is less than and reinforcing beam inner sidewall junction
Thickness.As shown in Figure 2, shown in Fig. 5, the variable cross-section design that reinforcing beam 26 is thicker using two sides, centre is relatively thin, two sides thicker part
It is suitable for stronger stress, meets reinforcing beam 26 and actually uses duty requirements, while reducing production cost, alleviate bottom plate 2
Weight, improve the energy density of battery case
In the above-mentioned technical solutions, it is preferred that 35 static housings when the 5th frame five frame described in 35 upper verticals
Casting 36, the box casting 36 are made of cast aluminium material, and the box casting 36 is equipped with through-hole 361.Such as Fig. 1, Fig. 4 institute
Show, box casting 36 is solderable or is fixedly connected on the 5th frame side 35 by fastener；Box casting 36 is separately fabricated, can keep away
Exempt to squeeze production bring difficulty of processing together with frame 3, reduces processing cost；The through-hole 361 that box casting 36 is equipped with can
For fixing high-pressure insert, low pressure plug-in unit, water cooling pipe fitting etc., makes compact neat inside battery case, improve radiating efficiency.
In the above-mentioned technical solutions, it is preferred that be integrally formed with collision prevention girders 37 on the outside of the frame 3.As shown in Figure 1, Figure 2, Fig. 4 institute
Show, frame 3 and collision prevention girders 37 extrusion forming together increase 3 intensity of frame；Collision prevention girders 37 are fixedly connected with bottom plate by frame 3
2, collision prevention girders 37 can slow down bottom plate 2 and frame 3 is collided, and extend the service life of bottom plate 2 and frame 3.
In the above-mentioned technical solutions, it is preferred that the collision prevention girders 37 in 32 outside of the second frame side of 21 two sides of the first bottom plate
Outside is respectively fixedly connected with the first hoisting beam 38, and first hoisting beam 38 is arranged along 2 in-plane of bottom plate；Described 5th
The second hoisting beam 39, second lifting are fixedly connected with along 3 axisymmetrical of frame outside the collision prevention girders 37 in 35 outside of frame side
Beam 39 is arranged along 2 in-plane of bottom plate.As shown in Figures 1 to 4, the battery case is hung by the first hoisting beam 38 and second
Dress beam 39 is fixed on automobile, its other party that fastener connection or welding etc. can be fixedly connected on automobile can be used in fixed form
Formula.
Table 1: certain new energy car battery case sheet metal box body and the comparison of aluminum profile cabinet:
It is close from cost, weight, system capacity through above-mentioned table as it can be seen that in the case where meeting requirement of mechanical strength
Degree aspect, aluminum profile scheme are better than metal plate scheme.
In conclusion battery case ontology is made of aluminium, this body weight of battery case is alleviated, stomata and needle are not likely to produce
Hole, improves the waterproof ability and anticorrosion, antioxidation ability of battery case ontology, while ensure that the structural strength of cabinet；Bottom plate
Using cavity structure, increases the intensity of bottom plate, alleviate the weight of bottom plate, improve the energy density of battery case；In addition, bottom
Plate extrusion forming together with reinforcing beam, frame extrusion forming together with collision prevention girders further enhance battery case intensity.This is practical
It is novel to increase battery case bottom plate and frame strength, battery case weight is alleviated, so that electric car course continuation mileage is improved, and
And the difficulty of processing of battery case is reduced, improve battery case service life.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of aluminum profile battery case for electric vehicle, which is characterized in that including battery case ontology (1), the battery case ontology
(1) it is fixedly connected on automobile, the battery case ontology (1) is made of aluminium；The battery case ontology (1) includes bottom plate
(2) and it is fixedly connected on the frame (3) on the bottom plate (2) periphery；
The bottom plate (2) includes the first bottom plate (21) successively welded, the second bottom plate (22), third bottom plate (23), the 4th bottom plate
(24) and the 5th bottom plate (25), the third bottom plate (23), the 4th bottom plate (24) and the 5th bottom plate (25) equal length and length
Greater than the first bottom plate (21) length, the second bottom plate (22) length is from the first bottom plate (21) length to third bottom plate (23)
Length straight transitions；
The frame (3) includes being arranged on the first frame side (31) of the first bottom plate (21) end, is separately positioned on the first bottom plate
(21) the second frame side (32) of two sides, is separately positioned on the third frame side (33) of the second bottom plate (22) two sides, is separately positioned on
4th frame side (34) of three bottom plates (23), the 4th bottom plate (24) and the 5th bottom plate (25) two sides, setting are held in the 5th bottom plate (25)
The 5th frame side (35) in portion, first frame (32), third frame at (33), four frames (34) and at (31), the second frame
Connection is welded and fixed between five frame sides (35).
2. aluminum profile battery case for electric vehicle as described in claim 1, which is characterized in that first bottom plate (21), the
Two bottom plates (22), third bottom plate (23), the 4th bottom plate (24) and the 5th bottom plate (25) by Aluminum extrusion at cavity structure, including it is upper
Support plate (201) and lower supporting plate (202) and the supporting rib (203) for connecting upper backup pad and lower supporting plate.
3. aluminum profile battery case for electric vehicle as described in claim 1, which is characterized in that first bottom plate (21), the
Two bottom plates (22), third bottom plate (23), the 4th bottom plate (24) and the 5th bottom plate (25) upper surface, which are integrally formed, is equipped with reinforcing beam
(26), the reinforcing beam (26) is parallel to the first frame side (31).
4. aluminum profile battery case for electric vehicle as claimed in claim 3, which is characterized in that the reinforcing beam (26) is hollow
Formula structure is integrally formed with the reinforcing rib of connecting-reinforcing beams inner sidewall, the interior thickness of the thickness of the reinforcing rib in reinforcing beam
Less than the thickness with reinforcing beam inner sidewall junction.
5. aluminum profile battery case for electric vehicle as described in claim 1, which is characterized in that the 5th frame side (35) top
Equipped with vertical 5th frame side (35) the static housing casting (36), the box casting (36) is made of cast aluminium material, institute
Box casting (36) are stated equipped with through-hole (361).
6. aluminum profile battery case for electric vehicle as described in claim 1, which is characterized in that one on the outside of the frame (3)
Equipped with collision prevention girders (37).
7. aluminum profile battery case for electric vehicle as described in claim 1, which is characterized in that the first bottom plate (21) two sides
The second frame side (32) on the outside of collision prevention girders (37) outside be respectively fixedly connected with the first hoisting beam (38), first hoisting beam
(38) it is arranged along the bottom plate (2) in-plane；Collision prevention girders (37) on the outside of the 5th frame side (35) are external along the frame
(3) axisymmetrical is fixedly connected the second hoisting beam (39), and second hoisting beam (39) sets along the bottom plate (2) in-plane
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246986.7U CN209119197U (en) | 2018-12-29 | 2018-12-29 | A kind of aluminum profile battery case for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246986.7U CN209119197U (en) | 2018-12-29 | 2018-12-29 | A kind of aluminum profile battery case for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119197U true CN209119197U (en) | 2019-07-16 |
Family
ID=67208955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822246986.7U Active CN209119197U (en) | 2018-12-29 | 2018-12-29 | A kind of aluminum profile battery case for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209119197U (en) |
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2018
- 2018-12-29 CN CN201822246986.7U patent/CN209119197U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 300301 No. 200-1, Gaoxin 2nd Road, Binhai Science Park, Binhai high tech Zone, Binhai New Area, Tianjin Patentee after: Evergrande new energy vehicle (Tianjin) Co.,Ltd. Address before: 300301 No. 1047, building 1, No. 188, Rixin Road, Binhai Science Park, Binhai high tech Zone, Binhai New Area, Tianjin Patentee before: NATIONAL NEW ENERGY VEHICLE CO.,LTD. |
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Effective date of registration: 20230303 Granted publication date: 20190716 |