CN109473581A - A kind of vehicle battery case and vehicle - Google Patents
A kind of vehicle battery case and vehicle Download PDFInfo
- Publication number
- CN109473581A CN109473581A CN201811274021.7A CN201811274021A CN109473581A CN 109473581 A CN109473581 A CN 109473581A CN 201811274021 A CN201811274021 A CN 201811274021A CN 109473581 A CN109473581 A CN 109473581A
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- CN
- China
- Prior art keywords
- circumferential
- air duct
- battery case
- layer structure
- endothecium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention discloses a kind of vehicle battery case and vehicle.Vehicle battery case includes ontology and the lid that is connected with the ontology, the ontology includes endothecium structure and the layer structure that is arranged on the outside of the endothecium structure, the endothecium structure and the layer structure are all in barrel-shaped, air duct is formed between the endothecium structure and the layer structure, air inlet and air outlet are provided on the layer structure, air is discharged through the air duct from the air outlet from the air inlet.Vehicle battery case of the invention, endothecium structure and layer structure are arranged to barrel-shaped, air duct is formed between endothecium structure and the layer structure, the air duct is formed in entire circumferential direction and the bottom of the endothecium structure, contact area between the air duct and the endothecium structure, layer structure is significantly increased, so that the distinguished and admirable heat that can be taken away rapidly inside the battery case of pressure formed in the air duct by fan, radiating efficiency and heat dissipation effect are significantly improved.
Description
Technical field
The present invention relates to technical field of vehicle more particularly to a kind of vehicle battery casees and vehicle.
Background technique
The problems such as petroleum resources are increasingly depleted, air pollution caused by exhaust emissions is faced now, has all expedited the emergence of new energy
The development of automobile, electric car and hybrid vehicle are got more and more attention, especially electric car, it belongs to " zero-emission " vehicle
, and noise is small, comfortable clean, manipulation and convenience easy to maintenance.
The electric energy storage device of electric car is vehicle-mounted chargeable storage, and the performance of vehicle-mounted rechargeable battery directly determines
The performance of electric car, vehicle-mounted rechargeable battery can cause leakage, combustion explosion etc. because heating up in charge and discharge process
The vehicle-mounted rechargeable battery of safety problem, the prior art is dissipated by the way that refrigerating plant and radiator fan are arranged on its battery case
Heat, but dissipate right effect and efficiency is poor, battery case internal temperature can not be reduced in time.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of better vehicle battery case of heat dissipation and vehicles.
In order to achieve the above objectives, on the one hand, the invention adopts the following technical scheme:
A kind of vehicle battery case, including ontology and the lid being connected with the ontology, the ontology includes endothecium structure
With the layer structure being arranged on the outside of the endothecium structure, the endothecium structure and the layer structure be all in it is barrel-shaped, it is described in
Air duct is formed between layer structure and the layer structure, is provided with air inlet and air outlet on the layer structure, air is from institute
It states air inlet and is discharged through the air duct from the air outlet.
Preferably, first partition knot is provided between the endothecium structure lateral wall and the inner sidewall of the layer structure
Structure, the first partition structure are laterally arranged, and the air duct is separated into superposed Zhou Xiangfeng by the first partition structure
Road and bottom air duct positioned at lower part；
The air inlet includes positioned at the bottom air inlet mouth of the layer structure lower part and positioned at the layer structure top
Circumferential air inlet；
The air outlet includes positioned at the bottom air outlet of the layer structure lower part and positioned at the layer structure top
Circumferential air outlet.
Preferably, the first radiation rib is provided on the lateral wall of the endothecium structure, first radiation rib is along institute
State the circumferentially extending of endothecium structure.
Preferably, the second radiation rib is provided in the exterior bottom wall of the endothecium structure, second radiation rib is in institute
It states and extends between bottom air inlet mouth and the bottom air outlet.
Preferably, second partition knot is provided between the lateral wall of the endothecium structure and the inner sidewall of the layer structure
Structure, face where face where the second partition structure and the first partition structure is perpendicular, and the second partition structure is by institute
It states circumferential air duct and is separated into the circumferential air duct of first be oppositely arranged and second week to air duct；
The circumferential direction air inlet includes the first circumferential air inlet and the second circumferential air inlet positioned at the second partition two sides
Mouthful；
The circumferential direction air outlet includes the first circumferential air outlet and the second circumferential outlet air positioned at the second partition two sides
Mouthful.
Preferably, the described first circumferential air inlet includes two that the described first circumferential air duct end is arranged in, and described the
One circumferential air outlet includes one be arranged among the described first circumferential air duct；And/or
Described second circumferential air inlet includes being arranged in the second week two to air duct end, and described second circumferentially goes out
Air port includes that the second week is arranged in one among air duct.
Preferably, the sidewall sections of the layer structure are wave-shaped or zigzag.
Preferably, the lid includes upper cover and lower cover, and the upper cover and the layer structure are tightly connected, the lower cover
It is tightly connected with the endothecium structure.
Preferably, the lid includes top plate and the outer layer coaming plate and internal layer coaming plate that are connected on top plate, the internal layer
Coaming plate is located at the inside of the outer layer coaming plate, and the internal layer coaming plate and the endothecium structure are tightly connected, the outer layer coaming plate and
The layer structure is tightly connected.
In order to achieve the above objectives, another aspect, the invention adopts the following technical scheme:
A kind of vehicle, including above-mentioned vehicle battery case.
Vehicle battery case of the invention and vehicle, the endothecium structure and the layer structure be arranged to it is barrel-shaped, it is described
Air duct is formed between endothecium structure and the layer structure, the air duct is formed in entire circumferential direction and the bottom of the endothecium structure
Portion, the contact area between the air duct and the endothecium structure, layer structure are significantly increased, so that by fan in institute
The distinguished and admirable heat that can be taken away rapidly inside the battery case of pressure formed in air duct is stated, radiating efficiency and heat dissipation effect are significant
It improves.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from.
Fig. 1 is the first sectional view when the ontology of battery case in present invention specific implementation part is overlooked；
Sectional view when Fig. 2 is the ontology main view of battery case in present invention specific implementation part；
Fig. 3 is the second sectional view when the ontology of battery case in present invention specific implementation part is overlooked；
Fig. 4 is the sectional view when lower cover of the lid of battery case in present invention specific implementation part is overlooked；
Sectional view when Fig. 5 is the lower cover main view of the lid of battery case in present invention specific implementation part；
Fig. 6 is the sectional view when upper cover of the lid of battery case in present invention specific implementation part is overlooked；
Sectional view when Fig. 7 is the upper cover main view of the lid of battery case in present invention specific implementation part；
Sectional view when Fig. 8 is the lid main view of battery case in present invention specific implementation part；
Fig. 9 is the sectional view when lid of battery case in present invention specific implementation part is overlooked.
In figure:
1, lid；11, upper cover；12, lower cover；121, pillar；13, top plate；14, outer layer coaming plate；15, internal layer coaming plate；
2, ontology；21, endothecium structure；211, the first radiation rib；212, the second radiation rib；213, stand bar structure；22,
Layer structure；23, first partition structure；24, second partition structure；
3, air duct；31, circumferential air duct；311, the first circumferential air duct；312, second week is to air duct；32, bottom air duct；
4, air outlet；41, bottom air outlet；42, circumferential air outlet；421, the first circumferential air outlet；422, second is circumferential
Air outlet；
5, air inlet；51, bottom air inlet mouth；52, circumferential air inlet；521, the first circumferential air inlet；522, second is circumferential
Air inlet.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in datail description of the invention.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Embodiment one
Referring to Fig.1 shown in-Fig. 9, a kind of vehicle battery case of the invention is connected including ontology 2 and with the ontology 2
Lid 1, the ontology 2 include endothecium structure 21 and the layer structure 22 that 21 outside of endothecium structure is arranged in, the internal layer
Structure 21 and the layer structure 22 are all in barrel-shaped, the inside setting battery core of the endothecium structure 21,21 He of endothecium structure
Air duct 3 is formed between the layer structure 22, the air duct 3 is formed in entire circumferential direction and the bottom of the endothecium structure 21, institute
The contact area stated between air duct 3 and the endothecium structure 21, layer structure 22 is significantly increased, and is arranged on the layer structure 22
There are air inlet 5 and air outlet 4, fan is set at the air outlet 4 or air inlet 5.Air is from the air inlet 5 through the air duct
3 are discharged from the air outlet 4, install fan on the battery case, the pressure formed in the air duct 3 by fan is distinguished and admirable can
To take away the heat inside the battery case rapidly, the radiating efficiency and heat dissipation effect of the battery case are significantly improved.
It is appreciated that stand bar structure 213 is provided on the bottom of the endothecium structure 21, as shown in Fig. 2, the internal layer
Structure 21 is mounted on the inside of the layer structure 22 by the stand bar structure 213, and keeps the outer of the endothecium structure 21
There are gap between bottom wall and the inner bottom wall of the layer structure 22, the gap is a part in air duct 3.
It is provided with first partition structure 23 between 21 lateral wall of endothecium structure and the inner sidewall of the layer structure 22,
As shown in Figures 2 and 3, the place face of the first partition structure 23 is laterally arranged, that is, the place of the first partition structure 23
Face and the bottom of the endothecium structure 21 or the layer structure 22 are arranged substantially in parallel, and the first partition structure 23 is along described
The entire circumferential setting of endothecium structure 21, the first partition structure 23 and the endothecium structure 21, the layer structure 22 it
Between be tightly connected, the air duct 3 is separated into superposed circumferential air duct 31 and is located at lower part by the first partition structure 23
Bottom air duct 32, the circumferential direction air duct 31 and is located at the first partition along the entire circumferential setting of the endothecium structure 21
The top of structure 23, the bottom of the endothecium structure 21 is arranged in the bottom air duct 32, and is located at the first partition structure
23 lower section.
As shown in Fig. 2 and Fig. 1, the air inlet 5 includes 51 He of bottom air inlet mouth positioned at 22 lower part of layer structure
Circumferential air inlet 52 positioned at 22 top of layer structure, the air outlet 4 include being located at 22 lower part of layer structure
Bottom air outlet 41 and circumferential air outlet 42 positioned at 22 top of layer structure, the bottom air inlet mouth 51 and bottom outlet air
Mouthfuls 41 are located at the lower section of the first partition structure 23, and the circumferential direction air inlet 52 and the circumferential air outlet 42 are located at described the
The top of one diaphragm structure 23, the bottom air inlet mouth 51 and the bottom air outlet 41 are oppositely arranged on the layer structure 22
Two sides, the circumferential direction air inlet 52 and the circumferential air outlet 42 are oppositely arranged on the two sides of the layer structure 22.
Under the action of a fan, one air stream from the circumferential air inlet 52 enter through the circumferential air duct 31 from
The circumferential direction air outlet 42 is discharged, and under the action of another fan, another burst of air stream enters from the bottom air inlet mouth 41 to be passed through
The bottom air duct 32 is discharged from the bottom air outlet 41.
The first radiation rib 211 is provided on the lateral wall of the endothecium structure 21, as shown in Figure 1, first heat dissipation
Circumferentially extending of the rib 211 along the endothecium structure 21, it is preferable that first radiation rib 211 is snakelike, the internal layer knot
The second radiation rib 212 is provided in the exterior bottom wall of structure 21, as shown in Fig. 2, second radiation rib 212 the bottom into
Extend between air port 51 and the bottom air outlet 41, second radiation rib 212 the two sides of the layer structure 22 it
Between extend, first radiation rib 211 and second radiation rib 212 can increase the endothecium structure 21 and air stream
Between heat exchange area, and then increase the radiating rate of the endothecium structure 21, the heat dissipation effect and heat dissipation effect of the battery case
Rate increases.
As shown in Figure 4-Figure 7, the lid 1 includes upper cover 11 and lower cover 12, the upper cover 11 and the layer structure 22
It is tightly connected, the lower cover 12 and the endothecium structure 21 are tightly connected, and the top of the lower cover 12 is provided with pillar 121, institute
It states and is resisted against on the pillar 121 on the downside of the bottom wall of upper cover 11, the upper cover 11 and the lower cover 12 are separate structure, fission knot
The upper cover 11 and lower cover 12 of structure enable to connection, the lower cover 12 and the internal layer knot of the upper cover 11 and layer structure 22
It is mutually non-interference between the connection of structure 21.
Vehicle of the invention includes above-mentioned vehicle battery case, and the battery case heat dissipation effect and radiating efficiency in vehicle are more
Good, the overall performance of vehicle is improved.
Embodiment two
The difference of embodiment two and embodiment one is that the structure of lid 1 is different.
In the present embodiment, the lid 1 as shown in Figure 8 and Figure 9 includes top plate 13 and the outer layer being connected on top plate 13
Coaming plate 14 and internal layer coaming plate 15, the internal layer coaming plate 15 are located at the inside of the outer layer coaming plate 14, the internal layer coaming plate 15 and institute
The sealed connection of endothecium structure 21 is stated, the outer layer coaming plate 14 and the layer structure 22 are tightly connected, the top plate 13 and described
Outer layer coaming plate 14 and the internal layer coaming plate 15 are structure as a whole, and 1 structure of the lid of integral structure can reduce the number of part
Amount.
Embodiment three
Embodiment third is that embodiment one further preferred embodiments, embodiment three thes improvement is that circumferential air duct
31, circumferential air inlet 52 and circumferential air outlet 42.
As shown in Figure 1-Figure 3, it is arranged between the lateral wall of the endothecium structure 21 and the inner sidewall of the layer structure 22
There is second partition structure 24, the 24 place face of second partition structure and 23 place face of the first partition structure are perpendicular, institute
The a part for stating the side wall of second partition structure 24 and the endothecium structure 21 or the layer structure 22 is arranged substantially in parallel, institute
It states second partition structure 24 and the circumferential air duct 31 is separated into the first circumferential air duct 311 being oppositely arranged and second week to air duct
312, in this way, the windage of air stream in 21 pairs of endothecium structure circumferential air ducts can be reduced, and increase air stream in circumferential air duct 31
Flow velocity.
The circumferential direction air inlet 52 includes the first circumferential air inlet 521 and the positioned at 24 two sides of second partition structure
Two circumferential air inlets 522, the circumferential direction air outlet 42 include the first circumferential outlet air positioned at 24 two sides of second partition structure
Mouth 421 and the second circumferential air outlet 422, the described first circumferential air inlet 521 include setting at the first circumferential direction air duct, 311 end
Two of portion, the first circumferential air outlet 421 include one be arranged among the described first circumferential air duct 311, and described the
Fan is set at one circumferential air outlet 421, and the described second circumferential air inlet 522 includes setting in the second week to air duct 312
Two of end, the described second circumferential air outlet 422 includes that the second week is arranged in one among air duct 312, described
Fan is set at second circumferential air outlet 422, in this way, the described first circumferential air duct 311 and the second week can be increased aweather
The intake in road 312 is replenished in time the lower surrounding air of temperature and the air after heat absorption is discharged in time, to reach better
Heat dissipation effect and radiating efficiency.
Example IV
The difference of example IV and embodiment one is that the structure of layer structure 22 is different.
In the present embodiment, the sidewall sections of the layer structure 22 are wave-shaped or zigzag (not shown), described
Wavy includes a trough and wave crest, and the trough and the peak separation are arranged, and the shape of the trough and wave crest is arc
Shape, the zigzag include a recess portion and protrusion, and the recess portion and protrusion interval are arranged, and the shape of the recess portion and protrusion is
Rectangle.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For, the invention can have various changes and changes.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of vehicle battery case, which is characterized in that including ontology and the lid being connected with the ontology, the ontology includes
Endothecium structure and the layer structure being arranged on the outside of the endothecium structure, the endothecium structure and the layer structure are all in bucket
Shape forms air duct, is provided with air inlet and air outlet on the layer structure between the endothecium structure and the layer structure,
Air is discharged through the air duct from the air outlet from the air inlet.
2. vehicle battery case according to claim 1, which is characterized in that the lateral wall of the endothecium structure and described outer
First partition structure is provided between the inner sidewall of layer structure, the first partition structure is laterally arranged, the first partition knot
The air duct is separated into superposed circumferential air duct and positioned at the bottom air duct of lower part by structure；
The air inlet includes the week positioned at the bottom air inlet mouth of the layer structure lower part and positioned at the layer structure top
To air inlet；
The air outlet includes the week positioned at the bottom air outlet of the layer structure lower part and positioned at the layer structure top
To air outlet.
3. vehicle battery case according to claim 2, which is characterized in that be provided on the lateral wall of the endothecium structure
First radiation rib, circumferentially extending of first radiation rib along the endothecium structure.
4. vehicle battery case according to claim 2, which is characterized in that be provided in the exterior bottom wall of the endothecium structure
Second radiation rib, second radiation rib extend between the bottom air inlet mouth and the bottom air outlet.
5. vehicle battery case according to claim 2, which is characterized in that the lateral wall of the endothecium structure and described outer
Second partition structure is provided between the inner sidewall of layer structure, face and the first partition structure where the second partition structure
Place face is perpendicular, and the circumferential air duct is separated into the first circumferential air duct and second being oppositely arranged by the second partition structure
Circumferential air duct；
The circumferential direction air inlet includes the first circumferential air inlet and the second circumferential air inlet positioned at the second partition two sides；
The circumferential direction air outlet includes the first circumferential air outlet and the second circumferential air outlet positioned at the second partition two sides.
6. vehicle battery case according to claim 5, which is characterized in that the described first circumferential air inlet includes that setting exists
Two of described first circumferential air duct end, the described first circumferential air outlet include being arranged among the described first circumferential air duct
One；And/or
Described second circumferential air inlet includes being arranged in the second week two to air duct end, the described second circumferential air outlet
Including the second week is arranged in one among air duct.
7. vehicle battery case according to claim 1, which is characterized in that the sidewall sections of the layer structure are in wave
Shape or zigzag.
8. vehicle battery case according to claim 1, which is characterized in that the lid includes upper cover and lower cover, described
Upper cover and the layer structure are tightly connected, and the lower cover and the endothecium structure are tightly connected.
9. vehicle battery case according to claim 1, which is characterized in that the lid includes top plate and is connected to top
Outer layer coaming plate and internal layer coaming plate on plate, the internal layer coaming plate are located at the inside of the outer layer coaming plate, the internal layer coaming plate and institute
Endothecium structure sealed connection is stated, the outer layer coaming plate and the layer structure are tightly connected.
10. a kind of vehicle, which is characterized in that including vehicle battery case described in one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274021.7A CN109473581B (en) | 2018-10-30 | 2018-10-30 | Battery box for vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274021.7A CN109473581B (en) | 2018-10-30 | 2018-10-30 | Battery box for vehicle and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109473581A true CN109473581A (en) | 2019-03-15 |
| CN109473581B CN109473581B (en) | 2022-07-15 |
Family
ID=65666326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811274021.7A Active CN109473581B (en) | 2018-10-30 | 2018-10-30 | Battery box for vehicle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109473581B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202183427U (en) * | 2011-07-29 | 2012-04-04 | 深圳市沃特玛电池有限公司 | Battery box with good ventilating and radiating performances |
| US20150357614A1 (en) * | 2013-01-16 | 2015-12-10 | Evtec Co., Ltd. | Battery case |
| CN108091798A (en) * | 2017-12-07 | 2018-05-29 | 珠海格力精密模具有限公司 | A kind of battery case |
-
2018
- 2018-10-30 CN CN201811274021.7A patent/CN109473581B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202183427U (en) * | 2011-07-29 | 2012-04-04 | 深圳市沃特玛电池有限公司 | Battery box with good ventilating and radiating performances |
| US20150357614A1 (en) * | 2013-01-16 | 2015-12-10 | Evtec Co., Ltd. | Battery case |
| CN108091798A (en) * | 2017-12-07 | 2018-05-29 | 珠海格力精密模具有限公司 | A kind of battery case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109473581B (en) | 2022-07-15 |
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