CN207664127U - Battery for electric automobile babinet and electric vehicle - Google Patents
Battery for electric automobile babinet and electric vehicle Download PDFInfo
- Publication number
- CN207664127U CN207664127U CN201721922732.1U CN201721922732U CN207664127U CN 207664127 U CN207664127 U CN 207664127U CN 201721922732 U CN201721922732 U CN 201721922732U CN 207664127 U CN207664127 U CN 207664127U
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- battery
- outer frame
- metal outer
- babinet
- electric automobile
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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 battery for electric automobile babinet and electric vehicles, are related to electric vehicle engineering field.Solve the prior art there is technical issues that structure design it is unreasonable,.The battery for electric automobile babinet, including metal outer frame and nonmetallic inner frame, the compression strength of metal outer frame are better than the compression strength of nonmetallic inner frame；Nonmetallic inner frame is mounted on metal outer frame and is fixedly connected with metal outer frame, and the female parts of nonmetallic inner frame form the battery modules accommodating cavity of insulation；The edge portions of metal outer frame are located at the surrounding of nonmetallic inner frame and metal outer frame is for being fixedly connected or being in contact with the vehicle body of electric vehicle.The electric vehicle includes the battery for electric automobile babinet.The utility model is used to simplify the structure of the Battery case of electric vehicle, improves its production efficiency.
Description
Technical field
The utility model is related to electric vehicle engineering field more particularly to a kind of battery for electric automobile babinet and applications
The electric vehicle of the battery for electric automobile babinet.
Background technology
Currently, the battery system heavier-weight of electric vehicle, Battery case accounts for 15% or so of battery system weight, institute
With to Battery case design structure and moulding process study, to reduce system weight, improve vehicle continual mileage have
Significance.The reason of Battery case heavier-weight, a part are determined by the structure design and manufacture craft of Battery case,
Current babinet is mostly to be made by a kind of material, and for example its material is carbon steel, stainless steel, cast aluminium, aluminium section bar
Manufacture uses a kind of material advantageous in terms of manufacture craft, but was inevitably caused in certain structure contexts merely
Degree design, the place of these surdimensionnements exactly needs improved place in cabinet design or manufacture craft.
Applicants have discovered that the existing technology has at least the following problems：
The first Battery case structure design as shown in Figure 1 for electric vehicle common in the art, material choosing
Metal plate is selected, is connected sheet metal component using welding.
As shown in Fig. 2, second of common Battery case structure design, material selection cast aluminium are realized using casting technique
Babinet makes.
As shown in figure 3, the third common Battery case structure design material selection aluminium section bar, is realized using welding procedure
Babinet makes.
As shown in figure 4, the 4th kind of Battery case structure design designs for composite material battery case.
As above it gives an account of and continues, existing four kinds of technical solutions have the problems such as unreasonable structure design, low production efficiency, especially
In the prior art there is poor sealing performance with the third scheme in the first for it, and second scheme is there are die cost height, the
There are the problems such as of high cost, technology stability is poor for four kinds of schemes.
Utility model content
One of the utility model purpose is a kind of battery for electric automobile babinet of proposition and electric vehicle, is solved
The prior art there is technical issues that structure design it is unreasonable,.Many technical sides provided by the utility model
Many technique effects (light-weight, good airproof performance, welding position, the structural strength that optimal technical scheme in case can be generated
Height, mold is simple, die cost is low, can significantly be carried convenient for mass production, on the basis of promoting battery system energy density
The production efficiency of high battery pack babinet, production cost are low etc.) elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme：
The utility model embodiment provide battery for electric automobile babinet, including metal outer frame and it is nonmetallic in
Portion's frame, wherein：
The compression strength of the metal outer frame is better than the compression strength of the nonmetallic inner frame；
The nonmetallic inner frame, which is assemblied on the metal outer frame and is fixed with the metal outer frame, to be connected
It connects, the female parts of the nonmetallic inner frame form the battery modules accommodating cavity of insulation；
The edge portions of the metal outer frame are located at the surrounding of the nonmetallic inner frame and the metal outer
Frame is for being fixedly connected or being in contact with the vehicle body of electric vehicle.
Preferably, the bottom of the battery modules accommodating cavity is further fixedly arranged on metal inside fixing piece, battery modules and/
Or cooling device can be fixed in the battery modules accommodating cavity by the metal fixing.
Preferably, the metal inside fixing piece is bonded in the bottom of the battery modules accommodating cavity.
Preferably, the nonmetallic inner frame be at least two box components be fixedly connected with (preferably adhered to one another) and
At the inner concave shape chamber of the box component forms the battery modules accommodating cavity.
Preferably, each box component includes tank wall and bottom plate, wherein：
The tank wall forms rectangular shaped rim structure；
The bottom plate is connect with the sealed bottom of the tank wall, and the subregion of the bottom plate is arched upward and on it upward
Surface forms protrusion, and truss slot is formed in its lower surface；
Rigid truss structure, at least portion of the rigid truss structure are fixedly installed on the inside of the metal outer frame
Sectional is in the truss slot.
Preferably, the tank wall includes siding and flange, wherein：
The siding is connected with the edge of the bottom plate, the flange ring around the outside of the siding and with the siding
Top be connected；
At least partly section of the flange is pressed in the top surface of the metal outer frame edge portions；
The siding of two adjacent box components is bonded to each other, the method for adjacent two box components
Orchid is also bonded to each other.
Preferably, the metal inside fixing piece is fixed at the institute in the region that the bottom plate is connected with the tank wall
It states in protrusion.
Preferably, the side of the nonmetallic inner frame is also fixedly connected with additional non-metallic component, described additional non-
Metal parts forms appurtenances mounting base.
Preferably, both the metal outer frame and the nonmetallic inner frame are bonding；
And/or the metal outer frame is that aluminium material is cast or aluminium section bar is welded；
And/or the composite material that the material of the nonmetallic inner frame is insulation.
The manufacturing method for the battery for electric automobile babinet that any of the above-described technical solution provided by the utility model provides, packet
Include following steps：
Casting welds to obtain the metal outer frame using proximate matter；
At least two box components are bonded to form the nonmetallic inner frame, the inner concave shape chamber of the box component
Form the battery modules accommodating cavity；
It by the nonmetallic inner frame installation, is bonded on the metal outer frame, makes the nonmetallic interior sash
Frame forms a fixed connection with the metal outer frame.
The electric vehicle that the utility model embodiment provides, including battery modules and any technical solution of the utility model
The battery for electric automobile babinet of offer, the battery modules that the battery modules are mounted on the battery for electric automobile babinet are held
Set intracavitary.
Based on the above-mentioned technical proposal, the utility model embodiment can at least have the following technical effects：
Since the female parts of nonmetallic inner frame in the utility model form the battery modules accommodating cavity of insulation, metal
The edge portions of external frame are located at the surrounding of nonmetallic inner frame and metal outer frame is for the vehicle body with electric vehicle
It is fixedly connected or is in contact, thus metal outer frame can play a protective role (shock resistance, anti-extrusion etc.) and and vehicle body
The effects that effect being connected and fixed, nonmetallic inner frame can play sealing, insulation, heat preservation, metal outer frame and non-gold
Belong to the division of labor of both inner frames to define, will not functionally contradict each other, not only ensuring Battery case has enough compression strength
And insulation performance, and nonmetallic inner frame is mounted on metal outer frame and is later again fixedly connected with the two, so it is golden
Belong to after external frame separately fabricated can come out with nonmetallic inner frame and assembled, connect, assembly, production efficiency higher,
So solve the prior art there is technical issues that structure design it is unreasonable,.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the schematic diagram for the first the Battery case structure for being used for electric vehicle in the prior art；
Fig. 2 is the schematic diagram for second of Battery case structure for being used for electric vehicle in the prior art；
Fig. 3 is the schematic diagram for the third Battery case structure for being used for electric vehicle in the prior art；
Fig. 4 is the schematic diagram for the 4th kind of Battery case structure for being used for electric vehicle in the prior art；
Fig. 5 is the schematic diagram for the battery for electric automobile babinet that the utility model embodiment provides；
Fig. 6 is the schematic diagram of the metal outer frame for the battery for electric automobile babinet that the utility model embodiment provides；
Fig. 7 is the signal of the nonmetallic inner frame for the battery for electric automobile babinet that the utility model embodiment provides
Figure；
Fig. 8 is showing for the nonmetallic inner frame bottom for the battery for electric automobile babinet that the utility model embodiment provides
It is intended to；
Fig. 9 is the case of the nonmetallic inner frame of composition for the battery for electric automobile babinet that the utility model embodiment provides
The schematic diagram of the internal structure of formula component；
Figure 10 is the nonmetallic inner frame of composition for the battery for electric automobile babinet that the utility model embodiment provides
The bottom schematic view of box component；
Figure 11 be the metal outer frame of battery for electric automobile babinet that provides of the utility model embodiment with it is nonmetallic
The partial cutaway schematic of inner frame junction；
Figure 12 is a kind of schematic diagram for battery for electric automobile babinet that the utility model embodiment preferred embodiment provides；
Figure 13 is the schematic diagram for another battery for electric automobile babinet that the utility model embodiment preferred embodiment provides；
Reference numeral：1, metal outer frame；11, rigid truss structure；2, nonmetallic inner frame；20, battery modules
Accommodating cavity；21, box component；210, truss slot；211, tank wall；212, siding；213, flange；214, bottom plate；215, raised；
216, projective structure；3, metal inside fixing piece；4, non-metallic component is added.
Specific implementation mode
It is referred to attached drawing Fig. 1~Figure 13 below and word content understands that the content of the utility model and this practicality are new
Distinctive points between type and the prior art.Hereafter pass through attached drawing and the side for some alternative embodiments for enumerating the utility model
Formula is described in further detail the technical solution of the utility model (including optimal technical scheme).It should be noted that：This
Any technical characteristic, any technical solution in embodiment be plurality of optional technical characteristic or optional technical solution in
One or more, in order to describe the succinct all alternative technical characteristics for needing the utility model impossible to exhaust in this document
And alternative technical solution, the embodiment for being also not easy to each technical characteristic emphasize that it is optional a variety of embodiment party
One of formula, so those skilled in the art should know：Any technological means provided by the utility model can be replaced
Or any two provided by the utility model or more technological means or technical characteristic are combined mutually obtain it is new
Technical solution.Any technical characteristic and any technical solution in the present embodiment do not limit the protection model of the utility model
It encloses, the scope of protection of the utility model should not make the creative labor that institute is thinkable any to be replaced including those skilled in the art
Generation technique scheme and those skilled in the art are by any two provided by the utility model or more technological means or technology
Feature technical solution new obtained from being combined mutually.
The utility model embodiment provides light-weight one kind, good airproof performance, welding position, structural strength height, mold
Simply, die cost is low, can significantly improve battery pack convenient for mass production, on the basis of promoting battery system energy density
The production efficiency of babinet, production cost low battery for electric automobile babinet and electric vehicle.The utility model combination metal
Material and the material properties of nonmetallic materials, making technology, cost advantage and disadvantage etc., using by metallic material parts and non-metallic material
The mode that material component combines makes Battery case.
Technical solution provided by the utility model is illustrated in more detail with reference to Fig. 1~Figure 13.
As shown in Fig. 5~Figure 13, the battery for electric automobile babinet that the utility model embodiment is provided, including outside metal
Portion's frame 1 and nonmetallic inner frame 2, wherein：
The compression strength of metal outer frame 1 is better than the compression strength of nonmetallic inner frame 2；
Nonmetallic inner frame 2 is mounted on metal outer frame 1 and is fixedly connected with metal outer frame 1, nonmetallic
The female parts of inner frame 2 form the battery modules accommodating cavity 20 as shown in Figure 9 of insulation；2 material of nonmetallic inner frame
Density is preferably less than the density of the material of metal outer frame 1；
The edge portions of metal outer frame 1 be located at the surrounding of nonmetallic inner frame 2 and metal outer frame 1 be used for
The vehicle body of electric vehicle is fixedly connected or is in contact.
Since the female parts of nonmetallic inner frame 2 in the utility model form the battery modules accommodating cavity 20 of insulation,
The edge portions of metal outer frame 1 are located at the surrounding of nonmetallic inner frame 2 and metal outer frame 1 is used for and electric vehicle
Vehicle body be fixedly connected or be in contact, thus metal outer frame 1 plays a protective role (shock resistance, anti-extrusion etc.) and and vehicle
The effects that effect that body is connected and fixed, nonmetallic inner frame 2 plays sealing, insulation, heat preservation, metal outer frame 1 and non-gold
Belong to the division of labor of both inner frames 2 to define, will not functionally contradict each other, not only ensuring Battery case has enough compression strength
And insulation performance, and nonmetallic inner frame 2 is mounted on metal outer frame 1 and is later just fixedly connected with the two, so
Metal outer frame 1 is assembled after separately fabricated being come out with nonmetallic inner frame 2, assembly, production efficiency higher.
The bottom of optionally embodiment, battery modules accommodating cavity 20 as shown in Figure 9 is further fixedly arranged in metal
Portion's fixing piece 3, battery modules and/or cooling device can be fixed in battery modules accommodating cavity 20 by metal fixing.Non- gold
Belong to and contain metal inside fixing piece 3 in babinet, metal inside fixing piece 3 primarily serves the work of fixed battery modules or cooling system
With.
Optionally embodiment, metal inside fixing piece 3 are bonded in the bottom of battery modules accommodating cavity 20.Bond tool
It occupies little space, the high advantage of installation effectiveness.
Optionally embodiment, nonmetallic inner frame 2 as shown in Figure 8 are that at least two box components 21 fix company
It connects (preferably adhered to one another) to form, the inner concave shape chamber of box component 21 forms battery modules accommodating cavity 20 as shown in Figure 9.It is logical
Nonmetallic inner frame 2 has volume scalability good made of crossing several assemblings of box components 21, fixation, and installation effectiveness is high,
The advantages of facilitating batch machining to manufacture.
Optionally embodiment, each box component 21 includes tank wall 211 and bottom plate 214 as shown in Figure 9,
In：Tank wall 211 forms rectangular shaped rim structure；Bottom plate 214 is connect with the sealed bottom of tank wall 211, and the subregion of bottom plate 214
It arches upward upward and surface forms protrusion 215 on it, truss slot 210 is formed in its lower surface；(side is formed between truss slot 210
Shape or rectangle) projective structure 216；
The inside of metal outer frame 1 is fixedly installed rigid truss structure 11 as shown in Figure 6, rigid truss structure 11
At least partly section is in truss slot 210.
Rigid truss structure 11 is embedded in after the truss slot 210 of 21 bottom of box component, it is ensured that nonmetallic inside
Frame 2 is highly resistant to deformation when being squeezed or impacting, to protect nonmetallic inner frame 2, meanwhile, rigid truss knot
The mating structure of structure 11 and truss slot 210 is conducive to improve the compactedness of the stability and structure of this product structure.
Optionally embodiment, tank wall 211 as shown in Figure 9 include siding 212 and flange 213, wherein：
Siding 212 is connected with the edge of bottom plate 214, flange 213 around the outside of siding 212 and with the top of siding 212
Portion is connected；At least partly section of flange 213 is pressed in the top surface of 1 edge portions of metal outer frame；
The siding 212 of two adjacent box components 21 is bonded to each other, the method for adjacent two box components 21
Orchid 213 is also bonded to each other.
21 ease of assembly of box component of above structure, and 2 structure of nonmetallic inner frame being assembled into is not only more
It is compact, and structural strength higher.
Optionally embodiment, metal inside fixing piece 3 are fixed at what bottom plate 214 was connected with tank wall 211
In the protrusion 215 in region.The structure is conducive to be attached battery modules or cooling device, fix.
The side of optionally embodiment, nonmetallic inner frame 2 is also fixedly connected with additional non-metallic component 4,
Additional non-metallic component 4 forms appurtenances mounting base.Appurtenances mounting base can install other portions of battery modules periphery
Part.It is possible thereby to expand the function of Battery case.
Optionally embodiment, both metal outer frame 1 and nonmetallic inner frame 2 are bonding；Adhesive technology
It occupies little space, feasibility is high, to effectively reducing battery system weight, promotes battery system energy density, increases vehicle continuation of the journey
Mileage is of great significance.
Optionally embodiment, metal outer frame 1 are that aluminium material is cast or aluminium section bar is welded；Casting has
It is easy to process, the high advantage of structural strength.Aluminium section bar welding has construction flexibility good, and technological design limits few advantage.
Optionally embodiment, the material of nonmetallic inner frame 2 are the composite material of insulation.Nonmetallic interior sash
Frame 2 is made by composite material, not only leakproofness, insulating properties, good heat preservation performance, but also implementation is facilitated to bond operation.
The manufacturing method for the battery for electric automobile babinet that any of the above-described technical solution provided by the utility model provides, packet
Include following steps：
Casting welds to obtain metal outer frame 1 using proximate matter；
At least two box components 21 bonding is formed into nonmetallic inner frame 2, the inner concave shape chamber of box component is formed
Battery modules accommodating cavity 20；
It by the installation of nonmetallic inner frame 2, is bonded on metal outer frame 1, makes outside nonmetallic inner frame 2 and metal
Portion's frame 1 forms a fixed connection.
The above manufacturing method has advantage simple for process, easy for installation.
Battery pack entirety babinet manufacture craft is specifically as follows：Metal outer frame 1 uses cast aluminium integrally casting or aluminium profiles
Material is welded；Metal inside fixing piece 3 is bonded on nonmetallic inner bin；It is adopted between nonmetallic babinet and nonmetallic babinet
It is connected together with an adhesive (between such as siding 212 and siding 212, between box flange 213 and box flange 213), whole shape
At nonmetallic inner frame 2；Nonmetallic inner frame 2 is embedded in by bonding on metal outer frame 1.Metal outer frame 1
Both sides frame section bar there is corresponding bulge-structure (or the convex wall being interpreted as on edge portions) and nonmetallic inner bin to carry out
Overlap joint, is then welded；Two side frames of metal outer frame 1, also by overlap joint, are then welded with front and back nonmetallic inner frame 2
Together.
The electric vehicle that the utility model embodiment provides, including battery modules and any technical solution of the utility model
The battery for electric automobile babinet of offer, battery modules are mounted on the battery modules accommodating cavity 20 of battery for electric automobile babinet
It is interior.
The utility model will be subject to impact, main force part, the Battery case outer framework that is contacted with vehicle body by gold
Belong to component to make, and the lower portion component for primarily serving sealing function is made of nonmetallic materials, not only ensures electricity
Pond babinet has enough compression strength and insulation performance, and the connection between metal outer frame 1 and nonmetallic inner frame 2
Relationship is simple, more simple compared with existing design in entire Battery case structure, production efficiency higher.
Light-weight using the Battery case of the utility model structure and technique, good airproof performance, welding position, structure is strong
Degree is high, and mold is simple, and die cost is low, is convenient for mass production, can be significantly on the basis of promoting battery system energy density
The production efficiency of battery pack babinet is improved, production cost is reduced, so being properly applied on electric vehicle.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (10)
1. a kind of battery for electric automobile babinet, which is characterized in that including metal outer frame and nonmetallic inner frame,
In：
The compression strength of the metal outer frame is better than the compression strength of the nonmetallic inner frame；
The nonmetallic inner frame is assemblied on the metal outer frame and is fixedly connected with the metal outer frame, institute
The female parts for stating nonmetallic inner frame form the battery modules accommodating cavity of insulation；
The edge portions of the metal outer frame are located at the surrounding of the nonmetallic inner frame and the metal outer frame
It is fixedly connected or is in contact for the vehicle body with electric vehicle.
2. battery for electric automobile babinet according to claim 1, which is characterized in that the bottom of the battery modules accommodating cavity
Portion is further fixedly arranged on metal inside fixing piece, and battery modules and/or cooling device can be fixed on by the metal fixing
In the battery modules accommodating cavity.
3. battery for electric automobile babinet according to claim 2, which is characterized in that the metal inside fixing piece bonds
In the bottom of the battery modules accommodating cavity.
4. battery for electric automobile babinet according to claim 1, which is characterized in that the nonmetallic inner frame is extremely
Few two box components are formed by fixedly connecting, and the inner concave shape chamber of the box component forms the battery modules accommodating cavity.
5. battery for electric automobile babinet according to claim 4, which is characterized in that each the box component includes
Tank wall and bottom plate, wherein：
The tank wall forms rectangular shaped rim structure；
The bottom plate is connect with the sealed bottom of the tank wall, and the subregion of the bottom plate is arched upward upward and surface on it
Protrusion is formed, truss slot is formed in its lower surface；
Rigid truss structure, at least partly area of the rigid truss structure are fixedly installed on the inside of the metal outer frame
Section is in the truss slot.
6. battery for electric automobile babinet according to claim 5, which is characterized in that the tank wall includes siding and method
Orchid, wherein：
The siding is connected with the edge of the bottom plate, the flange ring around the outside of the siding and with the top of the siding
Portion is connected；
At least partly section of the flange is pressed in the top surface of the metal outer frame edge portions；
The siding of two adjacent box components is bonded to each other, the flange of adjacent two box components
It is bonded to each other.
7. battery for electric automobile babinet according to claim 5, which is characterized in that the metal inside fixing piece is fixed
It is arranged in the protrusion in the region that the bottom plate is connected with the tank wall.
8. battery for electric automobile babinet according to claim 1, which is characterized in that the side of the nonmetallic inner frame
Portion is also fixedly connected with additional non-metallic component, and the additional non-metallic component forms appurtenances mounting base.
9. according to any battery for electric automobile babinets of claim 1-8, which is characterized in that the metal outer frame
It is bonding with both nonmetallic inner frames；
And/or the metal outer frame is that aluminium material is cast or aluminium section bar is welded；
And/or the composite material that the material of the nonmetallic inner frame is insulation.
10. a kind of electric vehicle, which is characterized in that including any electric vehicle of battery modules and claim 1-9
With Battery case, the battery modules are mounted in the battery modules accommodating cavity of the battery for electric automobile babinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922732.1U CN207664127U (en) | 2017-12-29 | 2017-12-29 | Battery for electric automobile babinet and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922732.1U CN207664127U (en) | 2017-12-29 | 2017-12-29 | Battery for electric automobile babinet and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207664127U true CN207664127U (en) | 2018-07-27 |
Family
ID=62944674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721922732.1U Active CN207664127U (en) | 2017-12-29 | 2017-12-29 | Battery for electric automobile babinet and electric vehicle |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232073A (en) * | 2017-12-29 | 2018-06-29 | 智车优行科技（上海）有限公司 | Battery for electric automobile babinet and its manufacturing method, electric vehicle |
| CN112018288A (en) * | 2020-08-21 | 2020-12-01 | 常州瑞德丰精密技术有限公司 | Battery pack box, battery pack, electric automobile and energy storage device |
| CN112740469A (en) * | 2018-09-20 | 2021-04-30 | 乐金华奥斯株式会社 | Battery case for electric automobile |
-
2017
- 2017-12-29 CN CN201721922732.1U patent/CN207664127U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232073A (en) * | 2017-12-29 | 2018-06-29 | 智车优行科技（上海）有限公司 | Battery for electric automobile babinet and its manufacturing method, electric vehicle |
| CN112740469A (en) * | 2018-09-20 | 2021-04-30 | 乐金华奥斯株式会社 | Battery case for electric automobile |
| CN112018288A (en) * | 2020-08-21 | 2020-12-01 | 常州瑞德丰精密技术有限公司 | Battery pack box, battery pack, electric automobile and energy storage device |
| CN112018288B (en) * | 2020-08-21 | 2023-04-07 | 常州瑞德丰精密技术有限公司 | Battery pack box, battery pack, electric automobile and energy storage device |
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Effective date of registration: 20181119 Address after: 244002 695 north section of Taishan Avenue, Tongling economic and Technological Development Zone, Anhui Patentee after: Anhui Singularity Intelligent New Energy Automobile Co.,Ltd. Address before: Room 3704, 868 Jinqi Road, Fengxian District, Shanghai, 201403 Patentee before: ZHICHE YOUXING TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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