CN207199707U - A kind of Battery case - Google Patents
A kind of Battery case Download PDFInfo
- Publication number
- CN207199707U CN207199707U CN201721078391.4U CN201721078391U CN207199707U CN 207199707 U CN207199707 U CN 207199707U CN 201721078391 U CN201721078391 U CN 201721078391U CN 207199707 U CN207199707 U CN 207199707U
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- CN
- China
- Prior art keywords
- reinforcing plate
- battery case
- side wall
- buttress brace
- buttress
- Prior art date
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application is related to cell art, more particularly to a kind of Battery case.The Battery case that the application is proposed includes base assemblies, the base assemblies include under(-)chassis and reinforcing plate, the under(-)chassis is connected with the reinforcing plate, the reinforcing plate includes the first reinforcing plate and the second reinforcing plate being stacked, first reinforcing plate is connected with second reinforcing plate, first reinforcing plate includes multiple first connecting plates and multiple first buttress braces, and first buttress brace is connected with first connecting plate.The Battery case that the application is proposed can effectively improve the bearing capacity, anti-extrusion ability and impact resistance of Battery case.
Description
Technical field
The application is related to cell art, more particularly to a kind of Battery case.
Background technology
At present, with the fast development of new-energy automobile, requirement more and more higher of the consumer to the energy density of battery bag,
And the weight of Battery case will have a direct impact to the energy density of battery bag.Specifically, the weight of Battery case is smaller, electricity
Chi Bao energy density is bigger.
Therefore, in order to improve the energy density of battery bag, the Battery case in conventional art is using lightweights such as composites
Material manufacture.But the fragility due to such light material in itself is larger, existing Battery case is caused bearing capacity to be present, resist
The defects of extrusion capability and impact resistance difference.
Utility model content
This application provides a kind of Battery case, to solve existing Battery case bearing capacity, anti-extrusion ability and resist
The problem of hitting ability.
The embodiment of the present application provides a kind of Battery case, including base assemblies, and the base assemblies include under(-)chassis
And reinforcing plate, the under(-)chassis are connected with the reinforcing plate, the reinforcing plate include the first reinforcing plate for being stacked and
Second reinforcing plate, first reinforcing plate are connected with second reinforcing plate, and first reinforcing plate includes multiple first and connected
Fishplate bar and multiple first buttress braces, first buttress brace are connected with first connecting plate.
First buttress brace includes the first side wall that is oppositely arranged and second sidewall, and the connection the first side wall and
First roof of the second sidewall, first connecting plate connect the first side wall and the second side of adjacent first buttress brace
Wall.
The first side wall, the second sidewall, first roof and second reinforcing plate surround to form cavity.
Further, second reinforcing plate is flat board, and filler is provided with the cavity.
Further, second reinforcing plate includes multiple second connecting plates and multiple second buttress braces, and described second adds
Brutal is connected with second connecting plate.
Second buttress brace includes the 3rd side wall and the 4th side wall that are oppositely arranged, and connection the 3rd side wall and
Second roof of the 4th side wall, second connecting plate connect the 3rd side wall and the 4th side of adjacent second buttress brace
Wall.
Further, first buttress brace extends in a first direction, and second buttress brace extends in a second direction, institute
State and form non-zero included angle between first direction and the second direction.
Further, the first direction and the second direction are mutually perpendicular to.
Further, first reinforcing plate passes through structure glue sticking with second reinforcing plate.
The under(-)chassis passes through structure glue sticking with the reinforcing plate.
The technical scheme that the application provides can reach following beneficial effect：
A kind of Battery case provided herein, including base assemblies, base assemblies include under(-)chassis and reinforcing plate,
Reinforcing plate includes the first reinforcing plate and the second reinforcing plate being stacked, and the first reinforcing plate is connected with the second reinforcing plate, and first
Reinforcing plate includes multiple first connecting plates and multiple first buttress braces, the first buttress brace are connected with the first connecting plate.With existing skill
Art is compared, and Battery case provided herein includes reinforcing plate, and reinforcing plate improves the bearing capacity of Battery case, wherein
First reinforcing plate includes multiple first buttress braces, which further increases the strength and stiffness of the first reinforcing plate, so as to more have
The bearing capacity for improving Battery case of effect, impact of the Battery case resistance from lateral load is also effectively raised, is carried
The high impact resistance of Battery case and anti-extrusion ability.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited
Application.
Brief description of the drawings
The explosive view of the part-structure for the Battery case that Fig. 1 is provided by the embodiment of the present application；
The explosive view of the part-structure for the Battery case that Fig. 2 is provided by another embodiment of the application；
The explosive view of the part-structure for the Battery case that Fig. 3 is provided by the another embodiment of the application；
Fig. 4 is the Section A-A sectional view of the first reinforcing plate in Fig. 3；
The part-structure schematic diagram for the Battery case that Fig. 5 is provided by the embodiment of the present application.
Reference：
2- under(-)chassis；
22- third through-holes；
4- reinforcing plates；
The reinforcing plates of 42- first；
The buttress braces of 422- first；
4222- the first side walls；
4224- second sidewalls；
The roofs of 4226- first；
The connecting plates of 424- first；
426- first through hole；
The reinforcing plates of 44- second；
The buttress braces of 442- second；
The connecting plates of 444- second；
The through holes of 446- second；
6- fillers；
8- centers；
82- fourth holes.
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in figure 1, the embodiment of the present application provides a kind of Battery case, including base assemblies, base assemblies include bottom
Portion's framework 2 and reinforcing plate 4, under(-)chassis 2 are connected with reinforcing plate 4, and reinforcing plate 4 includes the He of the first reinforcing plate 42 being stacked
Second reinforcing plate 44, the first reinforcing plate 42 are connected with the second reinforcing plate 44, and the first reinforcing plate 42 includes multiple first connecting plates
424 and multiple first buttress braces 422, the first buttress brace 422 be connected with the first connecting plate 424.
Reinforcing plate 4 can be located at the top of under(-)chassis 2, and under(-)chassis 2 is tightly connected with reinforcing plate 4, can play electricity
The effect of pond bottom half sealing.Under(-)chassis 2 can be by structure glue sticking with reinforcing plate 4, can also be by welding, riveting
It is attached with bolted mode；First reinforcing plate 42 and the second reinforcing plate 44 can be by structure glue stickings, equally
It can be attached by way of welding, riveting and bolting.
Under(-)chassis 2 can use any one material in the lightweight metal materials such as aluminium alloy, magnesium alloy, high strength steel
Be made, using under(-)chassis 2 made of this lightweight metal material can by mould extrusion forming by the way of obtain.Reinforcing plate
4 can use one or more kinds of materials in the fibrous materials such as carbon fiber, glass fibre and basalt fibre to be made, specifically
, the first reinforcing plate 42 and the second reinforcing plate 44 can be made of same fiber material, and material not of the same race can also be respectively adopted
Material is made；Or first reinforcing plate 42 or the second reinforcing plate 44 can include multilayer, every layer can use carbon fiber, glass fibers
Any one material in peacekeeping basalt fibre is made.This material has high intensity, low-density, lightweight, high temperature resistant, tension
The advantages that intensity is larger, corrosion-resistant, resistance to get rusty, strong shock resistance, reinforcing plate 4 can further subtract made of this material
The weight of light Battery case, and effectively improve the bearing capacity of Battery case, anti-extrusion ability, impact resistance and it is corrosion-resistant,
It is resistance to get rusty, resistant to elevated temperatures ability.
Compared with prior art, Battery case provided herein includes reinforcing plate 4, and reinforcing plate 4 strengthens battery
The bearing capacity of casing, wherein the first reinforcing plate 42 includes multiple first buttress braces 422, which further increases the first reinforcement
The strength and stiffness of plate 42, so as to more effectively improve the bearing capacity of Battery case, also effectively raise Battery case
The impact from lateral load is resisted, improves the impact resistance of Battery case and anti-extrusion ability.
As shown in figure 1, the second reinforcing plate 44 can be flat board, flat board and the effect that under(-)chassis 2 seals are more preferable；Such as Fig. 2
Shown, the second reinforcing plate 44 can also be the structure same or similar with the first reinforcing plate 42, specifically, the second reinforcing plate 44
Multiple second connecting plates 444 and multiple second buttress braces 442 can be included, the second buttress brace 442 connects with the second connecting plate 444
Connect.Second reinforcing plate 44 includes multiple second buttress braces 442, can so improve the strength and stiffness of the second reinforcing plate 44, the
One reinforcing plate 42 is superimposed setting with the second reinforcing plate 44, can further improve bearing capacity, the impact resistance of Battery case with
And anti-extrusion ability.
A kind of embodiment that first reinforcing plate 42 is stacked with the second reinforcing plate 44 is each He of first buttress brace 422
Second buttress brace 442 is all solid girder construction, and this solid girder construction can largely bear longitudinal load, and then improve
The bearing capacity of Battery case, it is possibility to have the resistance lateral pressure and pulling force of effect, and then improve the impact resistance of Battery case
And anti-extrusion ability.
As shown in Figure 3 and Figure 4, the first buttress brace 422 can also include the side of the first side wall 4222 and second being oppositely arranged
Wall 4224, and connection the first side wall 4222 and the first roof 4226 of second sidewall 4224, the first connecting plate 424 connects adjacent
The first side wall 4222 and second sidewall 4224 of first buttress brace 422.Specifically, the first buttress brace 422 and the first connecting plate 424
Can with one, company, alternately connection is set, and multiple first buttress braces 422 relative to multiple first connecting plates 424 towards same side
Set to protrusion, wherein, the first side wall 4222, the first roof 4226 and second sidewall 4224 can be sequentially connected, and be formed " several "
Font structure.On the one hand this structure can strengthen the elasticity of the first buttress brace 422, improve its deformability；On the other hand also
The weight of Battery case can further be mitigated, further realize battery light-weight design.
Further, the first side wall 4222, second sidewall 4224, the first roof 4226 and the second reinforcing plate 44 surround shape
Into cavity.This structure with cavity can effectively absorb the energy of extraneous application, have simultaneously when by external impacts
Effect ground relaxes the impact of external force, and then improves anti-collision, the shock resistance of Battery case, and can also mitigate Battery case
Weight.In addition, the inside of the first buttress brace 422 is also convenient for being directly connected to miscellaneous part, or directly add it inside it
His part.For example, the inside of the first buttress brace 422 can be connected with the sheet metal with nut by way of splicing, then
Nut on sheet metal can be connected by bolt with miscellaneous part.
As shown in figure 3, filler 6 is also provided with cavity.Filler 6 can be by material systems such as foam, cotton fibers
Into.Specifically, the filler 6 of suitable aforementioned cavity inner space size can be carried out first in advance, then filler 6 is filled into
In aforementioned cavity.When Battery case is extruded by external force, due to being filled with filler 6 in aforementioned cavity, can effectively reduce
The speed of external force extruding, and then the external force extruding of larger intensity can be resisted, so as to improve the anti-extrusion ability of Battery case.
It is understood that aforementioned cavity can be multiple, filler 6 can be each added in cavity, can also it
Addition filler 6 in middle portion cavity.
Likewise, the second reinforcing plate 44 can also be the structure same or similar with the first reinforcing plate 42, specifically, the
Two buttress braces 442 include the 3rd side wall and the 4th side wall being oppositely arranged, and connect the second of the 3rd side wall and the 4th side wall
Roof, the second connecting plate 444 connect the 3rd side wall and the 4th side wall of adjacent second buttress brace 442.In specific implementation, second
The connecting plate 444 of buttress brace 442 and second alternately can be set in connection, and multiple second buttress braces 442 connect relative to multiple second
Fishplate bar 444 protrudes setting in the same direction, wherein, the 3rd side wall, the second roof and the 4th side wall can be sequentially connected, and be formed
"Ji" type structure.On the one hand this structure can strengthen the elasticity of the first buttress brace 422, improve its deformability；The opposing party
Face can also further mitigate the weight of Battery case, further realize battery light-weight design.The second of above-mentioned this structure
Reinforcing plate 44 is stacked with the first reinforcing plate 42, can greatly reinforce the bearing capacity and resistance external loads of Battery case
Ability.
Further, reinforcing plate 4 can also include multiple first reinforcing plates 42 and multiple second reinforcing plates 44, and each first adds
Strong plate 42 and each second reinforcing plate 44 are stacked, and can preferably decompose side extruding suffered by Battery case, collision
Load, the load for making to share each reinforcing plate 44 of first reinforcing plate 42 or second greatly reduce, so that each first strengthens
The reinforcing plate 44 of plate 42 or second is all not readily reachable by its maximum load-carrying capacity, prevents because the maximum more than Battery case is held
Loading capability, and the situation that the structure occurred is destroyed；Can also further enhance the bearing capacity of Battery case, impact resistance and
Anti-extrusion ability.
Further, the number of the first buttress brace 422 and the second buttress brace 442 can also be different, each first buttress brace
422 and second buttress brace 442 can be set respectively along different directions.So, Battery case can be kept out from different directions
The external force bestowed, enhancing Battery case lateral collision resistance and anti-side pulling, lateral pressure resistant ability.
Further, as shown in Fig. 2 the first buttress brace 422 in the first direction (arrow meaning X-direction as shown in Figure 2)
Extension, (arrow meaning Y-direction as shown in Figure 2) extends the second buttress brace 442 in a second direction, first direction and second direction it
Between form non-zero included angle.Each first buttress brace 422 of first reinforcing plate 42 extends in the same direction, that is, each first buttress brace
422 are set parallel to each other；Each second buttress brace 442 of second reinforcing plate 44 extends in the same direction, that is, each second strengthens
Beam 442 is set parallel to each other.Such set-up mode, the first reinforcing plate 42 can be made to resist its prolonging in the first buttress brace 422
The ability for stretching the load on direction reaches higher, and the second reinforcing plate 44 can also be made to resist the extension side of its second buttress brace 442
The ability of upward load reaches higher, and this just further enhances Battery case resistance side collision, lateral compression
Ability.
Preferably, first direction and second direction are mutually perpendicular to (arrow meaning X-direction and arrow meaning Y-direction in such as Fig. 2
The angle of formation can be 90 degree).On the one hand, most of external force is from orthogonal both direction, so may be used
So that directly effectively resistance external impacts, raising Battery case resist the efficiency of external force, certainly, another part comes from other directions
On external force can also be broken down into foregoing orthogonal both direction, equally can effectively keep out external force punching of this part
Hit；On the other hand, the first buttress brace 422 and the second buttress brace 442 are arranged in a mutually vertical manner, and so more convenient staff is flowed
The construction and operation, job schedule, production time, output etc. of journey also allow for controlling, and improve production and processing efficiency.
Each first reinforcing plate 42 and each second reinforcing plate 44 resist respectively its first buttress brace 422 and its second
The ability of load on the bearing of trend of buttress brace 442 can reach higher；First reinforcing plate 42 and the second reinforcing plate 44 are handed over
For overlapping, the bearing of trend of the first adjacent buttress brace 422 and the second buttress brace 442 is mutually perpendicular to, so above-mentioned two
The ability can that external loads are kept out on individual direction reaches the high degree of comparison, and the load on other directions can also divide
Solution turns on orthogonal both of the aforesaid direction and divides load on both of the aforesaid direction.So, Battery case resistance is lateral
The ability can of load greatly improves, and then can also greatly improve the collision resistance of Battery case and anti-extrusion ability.
As shown in Figure 2 and Figure 5, base assemblies can also include center 8, center 8 can use carbon fiber, glass fibre and
One or more kinds of materials in the fibrous materials such as basalt fibre are made.Center 8 can be used for accommodate battery modules, and in
Frame 8 can be also used for being tightly connected with upper lid.
Under(-)chassis 2, reinforcing plate 4 and center 8 are not limited to be made up of all material mentioned in the embodiment of the present application, its
He does not influence under(-)chassis 2, reinforcing plate 4 and center 8 and plays the material of its function in this application can to use.
Further, first through hole 426, the surrounding of the second reinforcing plate 44 of the surrounding setting of the first reinforcing plate 42 are set
The second through hole 446, under(-)chassis 2 surrounding set third through-hole 22 and center 8 surrounding set fourth hole 82 it is equal
It can be used for being connected with car body, specific connected mode can be connected by screw bolts or rivet；In addition, above first through hole
426th, the second through hole 446, third through-hole 22 and fourth hole 82 can be used for being connected with adjacent structure, such as first strengthens
Plate 42 is connected with the second reinforcing plate 44, the second reinforcing plate 44 is connected with under(-)chassis 2 or center 8 is connected with the first reinforcing plate 42
Deng.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of Battery case, including base assemblies, it is characterised in that
The base assemblies include under(-)chassis and reinforcing plate, and the under(-)chassis is connected with the reinforcing plate, the reinforcement
Plate includes the first reinforcing plate and the second reinforcing plate being stacked, and first reinforcing plate is connected with second reinforcing plate,
First reinforcing plate includes multiple first connecting plates and multiple first buttress braces, and first buttress brace is connected with described first
Plate connects.
2. Battery case according to claim 1, it is characterised in that
First buttress brace includes the first side wall that is oppositely arranged and second sidewall, and the connection the first side wall and described
First roof of second sidewall, first connecting plate connect the first side wall and second sidewall of adjacent first buttress brace.
3. Battery case according to claim 2, it is characterised in that
The first side wall, the second sidewall, first roof and second reinforcing plate surround to form cavity.
4. Battery case according to claim 3, it is characterised in that
Second reinforcing plate is flat board, and filler is provided with the cavity.
5. Battery case according to claim 1, it is characterised in that
Second reinforcing plate includes multiple second connecting plates and multiple second buttress braces, second buttress brace and described second
Connecting plate connects.
6. Battery case according to claim 5, it is characterised in that
Second buttress brace includes the 3rd side wall and the 4th side wall that are oppositely arranged, and connection the 3rd side wall and described
Second roof of the 4th side wall, second connecting plate connect the 3rd side wall and the 4th side wall of adjacent second buttress brace.
7. Battery case according to claim 6, it is characterised in that
First buttress brace extends in a first direction, and second buttress brace extends in a second direction, the first direction and
Non-zero included angle is formed between the second direction.
8. Battery case according to claim 7, it is characterised in that
The first direction and the second direction are mutually perpendicular to.
9. Battery case according to claim 1, it is characterised in that
First reinforcing plate passes through structure glue sticking with second reinforcing plate.
10. Battery case according to claim 1, it is characterised in that
The under(-)chassis passes through structure glue sticking with the reinforcing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078391.4U CN207199707U (en) | 2017-08-25 | 2017-08-25 | A kind of Battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078391.4U CN207199707U (en) | 2017-08-25 | 2017-08-25 | A kind of Battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207199707U true CN207199707U (en) | 2018-04-06 |
Family
ID=61795437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721078391.4U Active CN207199707U (en) | 2017-08-25 | 2017-08-25 | A kind of Battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207199707U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493472A (en) * | 2018-04-12 | 2018-09-04 | 赵恒祥 | Accumulator pole group fastening support and accumulator |
| JPWO2020189590A1 (en) * | 2019-03-15 | 2021-12-02 | ビークルエナジージャパン株式会社 | Battery pack |
| CN116157952A (en) * | 2022-08-18 | 2023-05-23 | 宁德时代新能源科技股份有限公司 | Battery box, battery and vehicle |
| WO2024021054A1 (en) * | 2022-07-29 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | Battery case, battery and electric device |
-
2017
- 2017-08-25 CN CN201721078391.4U patent/CN207199707U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493472A (en) * | 2018-04-12 | 2018-09-04 | 赵恒祥 | Accumulator pole group fastening support and accumulator |
| JPWO2020189590A1 (en) * | 2019-03-15 | 2021-12-02 | ビークルエナジージャパン株式会社 | Battery pack |
| JP7304407B2 (en) | 2019-03-15 | 2023-07-06 | ビークルエナジージャパン株式会社 | battery pack |
| WO2024021054A1 (en) * | 2022-07-29 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | Battery case, battery and electric device |
| CN116157952A (en) * | 2022-08-18 | 2023-05-23 | 宁德时代新能源科技股份有限公司 | Battery box, battery and vehicle |
| WO2024036542A1 (en) * | 2022-08-18 | 2024-02-22 | 宁德时代新能源科技股份有限公司 | Battery box body, battery and vehicle |
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