CN208848946U - Battery case and its electric car - Google Patents
Battery case and its electric car Download PDFInfo
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- CN208848946U CN208848946U CN201820792131.1U CN201820792131U CN208848946U CN 208848946 U CN208848946 U CN 208848946U CN 201820792131 U CN201820792131 U CN 201820792131U CN 208848946 U CN208848946 U CN 208848946U
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- battery
- outer framework
- case
- cabinet outer
- seal case
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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 embodiment discloses a kind of battery case and its electric car, and wherein battery case includes: cabinet outer framework, seal case and battery modules fixing piece；The periphery of seal case is arranged in cabinet outer framework, coats the partial outer face of seal case, and battery modules fixing piece is arranged in seal case；Cabinet outer framework is connect with seal case；Battery modules fixing piece is connect with seal case, or is connect by seal case with cabinet outer framework.Different material and processing technology is respectively adopted in the battery case and its electric car of the utility model, the demand according to each component function, has the advantages that best performance and weight most gently organically combine；Battery case overall weight is light, good airproof performance, avoids design redundancy and cost caused by designing using homogenous material；And it is low to the requirement of the frame welding sealing performance of battery case, the production efficiency of battery pack cabinet can be significantly improved on the basis of promoting battery system energy density, and production cost can be reduced.
Description
Technical field
The utility model relates to automobile technical field more particularly to a kind of battery cases and its electric car.
Background technique
With the popularization of new-energy automobile, in occupation of its importance of the battery system of electric car nearly half price from not
It says and explains.Battery system structure design is complicated, should consider integrated testability intensity, considers that lightweight reduces battery system weight again
Amount, will also reduce large-scale production difficulty to reduce cost.Currently, battery system heavier-weight, Battery case accounts for battery system
15% or so of weight of uniting, studies its design structure and moulding process, to reduction system weight, improves in vehicle driving
Journey is of great significance.Currently, the reason of battery case heavier-weight, be greatly by body structure design and manufacture craft
It determines, current battery case is mostly to be made by a kind of material, for example uses carbon steel, stainless steel, cast aluminium, aluminium
Profile manufacture, inevitably causes surdimensionnement in certain structure contexts.For example, battery box material selects metal plate, aluminum profile,
Sheet metal component, aluminum profile are connected using welding, or selection cast aluminium, realizes that cabinet makes using casting technique, be easy to produce
Surdimensionnement, the problems such as there are complex structural designs, low efficiency, and also have that poor sealing performance, die cost be high, cost
High, the problems such as technology stability is poor.
Utility model content
In view of this, the utility model embodiment provides a kind of battery case and its electric car, by the difference of Battery case
Position carries out function division design.
According to the one aspect of the utility model embodiment, a kind of battery case is provided, comprising: cabinet outer framework, seal box
Body and battery modules fixing piece；The cabinet outer framework with vehicle body for connecting, and the battery modules fixing piece is used for and battery
The connection of mould group；The periphery of the seal case is arranged in the cabinet outer framework, coats the partial outer face of the seal case,
The battery modules fixing piece is arranged in the seal case；The cabinet outer framework is connect with the seal case；It is described
Battery modules fixing piece is connect with the seal case, or is connect by the seal case with the cabinet outer framework.
Optionally, further includes: foot guard plate；The bottom of the seal case is arranged in the foot guard plate；It is described
Foot guard plate is connect with the seal case or the cabinet outer framework, or simultaneously with the seal case and the cabinet
Outer framework connection.
Optionally, the material of the cabinet outer framework, the battery modules fixing piece and the foot guard plate is metal；
The material of the seal case is composite material.
Optionally, the cabinet outer framework and the battery modules fixing piece are integrated casting and forming or are integrally squeezed into
Type.
Optionally, the cabinet outer framework and the battery modules fixing piece are spliced by cast member or profile.
Optionally, the connection type of the cast member or the profile includes: threaded connection, welding.
Optionally, the material of the cabinet outer framework and the battery modules fixing piece includes: aluminium alloy, magnesium alloy；Institute
Stating composite material includes: SMC composite material, carbon fibre composite, graphene composite material.
Optionally, the seal case is made with the composite material integral formed.
Optionally, the mounting hole for connecting the battery modules is provided on the battery modules fixing piece.
Optionally, the material of the foot guard plate includes: steel.
Optionally, the connection type of the cabinet outer framework and the seal case include: be bolted, rivet, heat is melted
Connection.
Optionally, the connection type of the cabinet outer framework and the foot guard plate includes: to be bolted, rivet, is hot
Melt connection.
Optionally, the battery modules fixing piece connect with the seal case and by the seal case with it is described
Cabinet outer framework connection connection type include: be bolted, rivet, heat melts connection.
Optionally, further includes: installation part；The installation part is arranged in cabinet outer framework side, and with the cabinet
Outer framework connection.
Optionally, the material of the installation part is nonmetallic；The mode that the installation part is connect with the cabinet outer framework
Include: be bolted, rivet, heat melts connection.
Another aspect according to the present utility model provides a kind of electric car, including battery case as above.
The battery case and its electric car of the utility model, battery case include cabinet outer framework, seal case, battery modules
The components such as fixing piece and foot guard plate；Each building block of battery case is subjected to function distinguishing, according to each component function
Different material and processing technology is respectively adopted in demand, can have best performance on the basis of each component function is made
The advantages of most gently being organically combined with weight；Battery case overall weight is light, good airproof performance, avoids and is caused using homogenous material design
Design redundancy and cost；And low, structural strength height, bottom anti-impact are required the frame welding sealing performance of battery case
It is strong to hit ability, mold is simple, and die cost is low, is convenient for mass production, energy on the basis of promoting battery system energy density
The production efficiency of battery pack cabinet is significantly improved, and production cost can be reduced.
The additional aspect of the utility model embodiment and advantage will be set forth in part in the description, these will be from following
Description in become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments of the utility model, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it can also be obtained according to these attached drawings other attached drawings:
Fig. 1 is the structural schematic diagram according to one embodiment of the battery case of the utility model；
Fig. 2 is according to cabinet outer framework, the battery modules fixing piece in one embodiment of the battery case of the utility model
Illustrate figure structure schematic representation；
Fig. 3 is the axonometric schematic diagram according to the seal case in one embodiment of the battery case of the utility model；
Fig. 4 is the internal cross section schematic diagram according to the seal case in one embodiment of the battery case of the utility model；
Fig. 5 is the bottom schematic view according to the seal case in one embodiment of the battery case of the utility model；
Fig. 6 is to be illustrated according to the foot guard plate of the seal case in one embodiment of the battery case of the utility model
Figure；
Fig. 7 is to connect section according to frame, cabinet, the protective plate in one embodiment of the battery case of the utility model to show
It is intended to；
Fig. 8 be according in one embodiment of the battery case of the utility model frame, cabinet, battery modules fixing piece,
Protective plate connects diagrammatic cross-section；
Fig. 9 is the structural schematic diagram according to another embodiment of the battery case of the utility model.
Specific embodiment
The utility model is described more fully with reference to the accompanying drawings, wherein illustrating the exemplary reality of the utility model
Apply example.The following will be combined with the drawings in the embodiments of the present invention, carries out clearly the technical scheme in the embodiment of the utility model
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.It is practical new to this below with reference to figure and embodiment
The technical solution of type carries out various descriptions.
Hereafter in order to describe conveniently, hereinafter so-called "left", "right", "upper", "lower" and attached drawing itself it is left and right, upper,
Lower direction is consistent.
As shown in Figure 1, the utility model provides a kind of battery case, comprising: cabinet outer framework 1, seal case 2 and battery mould
Group fixing piece 3.Cabinet outer framework 1 with vehicle body for connecting, and battery modules fixing piece 3 with battery modules for connecting.Outside cabinet
The periphery of seal case 2 is arranged in frame 1, coats the partial outer face of seal case 2.Battery modules fixing piece 3 is arranged close
In joint sealing body 2.
Cabinet outer framework 1 is connect with seal case 2, can use a variety of connection types.Battery modules fixing piece 3 and sealing
The connection of cabinet 2 or battery modules fixing piece 3 are connect by seal case 2 with cabinet outer framework 1, can be there are many connection side
Formula.For example, being provided with tapped through hole on the side wall of seal case 2, battery modules fixing piece 3 passes through seal case using screw
The tapped through hole being arranged on 2 side wall is threadedly coupled with cabinet outer framework 1.
In one embodiment, foot guard plate 4 can be set for battery case.Foot guard plate 4 is arranged in seal box
The bottom of body 2, foot guard plate 4 are connect with seal case 2 or cabinet outer framework 1, or simultaneously and outside seal case 2 and cabinet
Frame 1 connects, and can use a variety of connection types.
The material of cabinet outer framework 1, battery modules fixing piece 3 and foot guard plate can be metal, seal case 2
Material can be composite material, and it is multiple that composite material can be SMC (Sheet molding compound), carbon fiber, graphene
Condensation material etc., and other composite materials for having the characteristics that intensity is high, density is small.
Battery case is subject to impact, main force part, the cabinet outer framework 1 contacted with vehicle body using aluminium alloy
Or the metal materials such as aluminum profile production.The seal case 2 for primarily serving sealing function is made of composite material, to main
The battery modules fixing piece 3 of fixed battery modules is played using the production of the metal materials such as aluminium alloy or aluminum profile.To main
It plays foot guard and saves the foot guard plate 4 of height space using the production of the metal materials such as high strength steel.Battery case can be with
It goes to realize each building block respectively using the different materials attribute of high strength steel, aluminium alloy, composite material, utilizes extrusion pressing type
Material, casting, welding, riveting, heat, which are melted, the Joining Technologies such as is fastenedly connected, and can be realized lightweight box system work.
As shown in Fig. 2, the material of cabinet outer framework 1 and battery modules fixing piece 3 is aluminium alloy etc., battery modules fixing piece
The mounting hole for connecting battery modules can be set on 3.Cabinet outer framework 1 and battery modules fixing piece 3 can be integrated
Casting and forming or integrated extrusion forming, cabinet outer framework 1 and battery modules fixing piece 3 can use cast aluminium alloy gold part or extruding
The techniques such as aluminum profile are integrally formed.
Cabinet outer framework 1 and battery modules fixing piece 3 can also be spliced by cast member or profile, cast member or profile
Connection type include be threadedly coupled, welding etc..For example, cabinet outer framework 1 is using cast member or profile and is connected by screw bolts
Or welding etc. forms general frame；It can be connected using bolt between cabinet outer framework 1 and seal case 2, foot guard plate 4
It connects, self-piercing riveting, heat are melted and is fastenedly connected；Battery modules fixing piece 3 and seal case 2 and cabinet outer framework 1 use bolt
Connection, riveting, heat, which are melted, the connection types such as is fastenedly connected.
As in Figure 3-5, seal case 2 can be made up of composite material integral formed.Seal case 2 can use
Mould pressing process or vacuum are closed film introducing technology etc. and are integrally formed.As shown in figure 4, the material of foot guard plate 4 uses steel
Equal technologic materials, for example, foot guard plate 4 can be made of high strength steel.
In one embodiment, battery case is by cabinet outer framework 1, integrally formed seal case 2, battery modules fixing piece
Several parts such as 3 and foot guard plate 4 composition, cabinet outer framework 1 made of metal play a protective role, can shock resistance, anti-squeeze
Pressure, anti-vibration etc., and be connected and fixed with vehicle body.Seal case 2 plays the effects of sealing, insulation, heat preservation.Battery modules are fixed
Part 3 plays the role of fixed battery modules.Foot guard plate 4 plays the role of protecting battery system bottom safety.
The cabinet outer framework 1 of metal can using light alloy casting or extrudate technique, not only structural strength it is good,
It is light-weight, and the sealing function due to not undertaking cabinet, therefore it is low to the requirement of profile welded seal technique, production can not only be reduced
Cost can also improve production efficiency.Seal case 2 is made of composite material integral formed technique, not only light-weight, Er Qiemi
Sealing property is good, convenient for producing in enormous quantities.Battery modules fixing piece 3 is cast using light alloy or the techniques systems such as extrudate
Make, structural strength is good, light-weight.Foot guard plate 4 can using high strength steel make, can effective protection battery bottom save again
The space in cell height direction is saved, and intensity is good.
As shown in Figure 7,8, the connection type of cabinet outer framework 1 and seal case 2 include be bolted, rivet, heat melts company
It connects.Cabinet outer framework 1 and the connection type of foot guard plate 4 include be bolted, rivet, heat is melted and is connect.Battery modules
Fixing piece 3 connect with cabinet outer framework 1 and includes: bolt by the connection type that seal case 2 is connect with cabinet outer framework 1
Connection, riveting, heat melt connection etc..
As shown in figure 9, installation part 5 can also be arranged in battery case.The side of the setting of installation part 5 frame 1 outside the enclosure, and with
Cabinet outer framework 1 connects.For example, an installation part 5 can be increased in 1 front end of frame or rear end outside the enclosure, for installing other portions
Part.The material of installation part 5 is nonmetallic, such as resin etc., and the mode that installation part 5 is connect with cabinet outer framework 4 includes that bolt connects
It connects, rivet, heat melts connection etc..
Connection between the building block of battery case is connected by screw bolts, rivets, heat melts and the connection types such as is fastenedly connected, both
It ensure that the reliability of connection in turn ensures the sealing performance of critical component；Connection between component, is not welded, and can significantly be mentioned
High efficiency reduces deflection.
In one embodiment, the utility model provides a kind of electric car, including the battery in any embodiment as above
Case.
Battery case and its electric car in above-described embodiment, battery case include cabinet outer framework, seal case, battery mould
The group components such as fixing piece and foot guard plate；Each building block of battery case is subjected to function distinguishing, according to each component function
Demand different material and processing technology is respectively adopted, can on the basis of each component function is made, have performance most
The advantages of excellent and weight most gently organically combines；Battery case overall weight is light, good airproof performance, avoids and is made using homogenous material design
At design redundancy and cost；And low, structural strength height is required the frame welding sealing performance of battery case, bottom is anti-
Impact capacity is strong, and mold is simple, and die cost is low, is convenient for mass production, on the basis of promoting battery system energy density
The production efficiency of battery pack cabinet can be significantly improved, and production cost can be reduced.
Above-mentioned any technical solution disclosed in the utility model unless otherwise stated, if it discloses numberical range,
So disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numerical value
Range is only the numerical value that technical effect is obvious or representative in many enforceable numerical value.Since numerical value is more,
It is impossible to exhaust, so the utility model discloses component values just to illustrate the technical solution of the utility model, also, above-mentioned
The numerical value enumerated should not constitute the limitation that protection scope is created to the utility model.
Meanwhile if above-mentioned the utility model discloses or relates to the components or structural member of connection fastened to each other,
Unless otherwise stated, it is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed,
It is to be understood that non-removable be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral type
Structure (such as manufacturing using casting technique is integrally formed) is replaced (obviously can not be using except integrally formed technique).
In addition, for indicating positional relationship or shape applied in above-mentioned any technical solution disclosed by the utility model
Term its meaning includes approximate with its, similar or close state or shape unless otherwise stated.It is provided by the utility model
Either component by multiple individual component parts either assembled, or the list that integrally formed technique manufactures
Only component.
Above embodiments are only to illustrate the technical solution of the utility model rather than its limitations；Although implementing referring to preferable
The utility model is described in detail in example, it should be understood by those ordinary skilled in the art that: still can be to this reality
It is modified with novel specific embodiment or some technical features can be equivalently replaced；Without departing from the utility model
The spirit of technical solution should all be covered within the scope of the technical scheme claimed by the utility model.
Description of the utility model is given for the purpose of illustration and description, and is not that exhaustively or incite somebody to action this
Utility model is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.
Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes the common skill of this field
Art personnel it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
The embodiments of the present invention provide A1, a kind of battery case, comprising: cabinet outer framework, seal case and battery
Mould group fixing piece；The cabinet outer framework with vehicle body for connecting, and the battery modules fixing piece with battery modules for connecting；
The periphery of the seal case is arranged in the cabinet outer framework, coats the partial outer face of the seal case, the battery
Mould group fixing piece is arranged in the seal case；The cabinet outer framework is connect with the seal case；The battery modules
Fixing piece is connect with the seal case, or is connect by the seal case with the cabinet outer framework.
A2, battery case as described in a1, wherein further include:
Foot guard plate；The bottom of the seal case is arranged in the foot guard plate；The foot guard plate and institute
Seal case or cabinet outer framework connection are stated, or is connect simultaneously with the seal case and the cabinet outer framework.
A3, as described in A2 battery case, wherein
The material of the cabinet outer framework, the battery modules fixing piece and the foot guard plate is metal；
The material of the seal case is composite material.
A4, the battery case as described in A3, wherein
The cabinet outer framework and the battery modules fixing piece are integrated casting and forming or integrated extrusion forming.
A5, the method as described in A3, wherein
The cabinet outer framework and the battery modules fixing piece are spliced by cast member or profile.
A6, method as described in a5, wherein
The connection type of the cast member or the profile includes: threaded connection, welding.
A7, the battery case as described in A3, wherein
The material of the cabinet outer framework and the battery modules fixing piece includes: aluminium alloy, magnesium alloy.
The composite material includes: SMC composite material, carbon fibre composite, graphene composite material.
A8, the method as described in A3, wherein
The seal case is made with the composite material integral formed.
A9, the battery case as described in A3, wherein
The mounting hole for connecting the battery modules is provided on the battery modules fixing piece.
A10, the battery case as described in A3, wherein
The material of the foot guard plate includes: steel.
A11, the battery case as described in A3, wherein
The cabinet outer framework with the connection type of the seal case include: be bolted, rivet, heat is melted and is connect.
A12, the battery case as described in A3, wherein
The cabinet outer framework with the connection type of the foot guard plate include: be bolted, rivet, heat is melted and is connect.
A13, the battery case as described in A3, wherein
The battery modules fixing piece connect with the seal case and passes through outside the seal case and the cabinet
Frame connection connection type include: be bolted, rivet, heat melts connection.
A14, battery case as described in a1, wherein further include:
Installation part；The installation part setting is connect in cabinet outer framework side, and with the cabinet outer framework.
A15, the battery case as described in A14, wherein
The material of the installation part is nonmetallic；
The mode that the installation part is connect with the cabinet outer framework include: be bolted, rivet, heat melts connection.
B16, a kind of electric car, wherein include:
Such as the described in any item battery cases of A1 to A15.
Claims (16)
1. a kind of battery case characterized by comprising
Cabinet outer framework, seal case and battery modules fixing piece；The cabinet outer framework with vehicle body for connecting, the battery
Mould group fixing piece with battery modules for connecting；The cabinet outer framework is arranged in the periphery of the seal case, described in cladding
The partial outer face of seal case, the battery modules fixing piece are arranged in the seal case；The cabinet outer framework with
The seal case connection；The battery modules fixing piece is connect with the seal case, or by the seal case with
The cabinet outer framework connection.
2. battery case as described in claim 1, which is characterized in that further include:
Foot guard plate；The bottom of the seal case is arranged in the foot guard plate；The foot guard plate with it is described close
Joint sealing body or cabinet outer framework connection, or connect simultaneously with the seal case and the cabinet outer framework.
3. battery case as claimed in claim 2, which is characterized in that
The material of the cabinet outer framework, the battery modules fixing piece and the foot guard plate is metal；
The material of the seal case is composite material.
4. battery case as claimed in claim 3, which is characterized in that
The cabinet outer framework and the battery modules fixing piece are integrated casting and forming or integrated extrusion forming.
5. battery case as claimed in claim 3, which is characterized in that
The cabinet outer framework and the battery modules fixing piece are spliced by cast member or profile.
6. battery case as claimed in claim 5, which is characterized in that
The connection type of the cast member or the profile includes: threaded connection, welding.
7. battery case as claimed in claim 3, which is characterized in that
The material of the cabinet outer framework and the battery modules fixing piece includes: aluminium alloy, magnesium alloy；
The composite material includes: SMC composite material, carbon fibre composite, graphene composite material.
8. battery case as claimed in claim 3, which is characterized in that
The seal case is made with the composite material integral formed.
9. battery case as claimed in claim 3, which is characterized in that
The mounting hole for connecting the battery modules is provided on the battery modules fixing piece.
10. battery case as claimed in claim 3, which is characterized in that
The material of the foot guard plate includes: steel.
11. battery case as claimed in claim 3, which is characterized in that
The cabinet outer framework with the connection type of the seal case include: be bolted, rivet, heat is melted and is connect.
12. battery case as claimed in claim 3, which is characterized in that
The cabinet outer framework with the connection type of the foot guard plate include: be bolted, rivet, heat is melted and is connect.
13. battery case as claimed in claim 3, which is characterized in that
The battery modules fixing piece connect with the seal case and by the seal case and the cabinet outer framework
The connection type of connection include: be bolted, rivet, heat melts connection.
14. battery case as described in claim 1, which is characterized in that further include:
Installation part；The installation part setting is connect in cabinet outer framework side, and with the cabinet outer framework.
15. battery case as claimed in claim 14, which is characterized in that
The material of the installation part is nonmetallic；
The mode that the installation part is connect with the cabinet outer framework include: be bolted, rivet, heat melts connection.
16. a kind of electric car characterized by comprising
Such as the described in any item battery cases of claim 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792131.1U CN208848946U (en) | 2018-05-25 | 2018-05-25 | Battery case and its electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792131.1U CN208848946U (en) | 2018-05-25 | 2018-05-25 | Battery case and its electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208848946U true CN208848946U (en) | 2019-05-10 |
Family
ID=66351600
Family Applications (1)
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| CN201820792131.1U Active CN208848946U (en) | 2018-05-25 | 2018-05-25 | Battery case and its electric car |
Country Status (1)
| Country | Link |
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| CN (1) | CN208848946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539078A (en) * | 2018-05-25 | 2018-09-14 | 铜陵市优车科技有限公司 | Battery case and its electric vehicle |
-
2018
- 2018-05-25 CN CN201820792131.1U patent/CN208848946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539078A (en) * | 2018-05-25 | 2018-09-14 | 铜陵市优车科技有限公司 | Battery case and its electric vehicle |
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