CN107248557A - A kind of battery case - Google Patents
A kind of battery case Download PDFInfo
- Publication number
- CN107248557A CN107248557A CN201710533378.1A CN201710533378A CN107248557A CN 107248557 A CN107248557 A CN 107248557A CN 201710533378 A CN201710533378 A CN 201710533378A CN 107248557 A CN107248557 A CN 107248557A
- Authority
- CN
- China
- Prior art keywords
- plate
- battery modules
- cell
- battery
- battery case
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- 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
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
A kind of battery case, including casing, case lid and multiple battery modules；Each battery modules include multiple cells, bottom plate and two end plates；The cell include a pair of side, with the pair of side a pair of end faces connected vertically, a bottom surface and a top surface relative with the bottom surface；Multiple cells abut arrangement by the end face of two neighboring cell successively；The bottom plate is arranged at the lower section of multiple cells and including main part；The bottom surface of the main part and multiple cells leans, and the main part is additionally provided with heating plate in the one side away from the cell, and the side of the heating plate is provided with conductor wire；The end plate is arranged at the two ends of the battery modules, and every piece of end plate includes protective tip；The protective tip is additionally provided with multiple threading structures close to the side of the bottom plate to be used for through the conductor wire on one heating plate of correspondence.The battery case, at low temperatures, can provide heat to cell rapidly.
Description
【Technical field】
The present invention relates to power battery technology field, more particularly to a kind of battery case.
【Background technology】
At present, ev industry is quickly grown, and people are also increasing to the demand of electric automobile.Battery is used as new energy
One of core component of source automobile, its temperature controlled quality directly determines the service life and continual mileage of battery.New energy
Automobile power cell module is formed by a large amount of single battery core stack designs, and the charge-discharge performance of electrokinetic cell at low ambient temperatures
Poor compared with normal temperature, power can be reduced during electric discharge, and what's more below 0 DEG C when, the electrokinetic cell such as LiFePO4 can not be straight
Connect charging.The low-temperature characteristics of electrokinetic cell directly influences its market manifestation.Therefore, exploitation efficiently, is rapidly and uniformly realized dynamic
The heating arrangement of power battery modules heating is particularly important.
In consideration of it, real be necessary to provide a kind of new battery case to overcome drawbacks described above.
【The content of the invention】
It is an object of the invention to provide a kind of battery case, at low temperatures, heat can be provided to cell rapidly, protected
Demonstrate,prove the stability and uniformity of battery modules.
To achieve these goals, the present invention provides a kind of battery case, including casing, case lid and be contained in the casing with
Multiple battery modules in the case lid；Each battery modules include multiple cells, bottom plate and two end plates；The monomer
Battery include a pair of sides, with the pair of side a pair of end faces connected vertically, a bottom surface and relative with the bottom surface
One top surface；Multiple cells abut arrangement by the end face of two neighboring cell；The bottom plate is set
In the lower section of multiple cells and formed including main part and from the bending extension of the edges of the main part both sides two are solid
Determine portion；The bottom surface of the main part and multiple cells leans, in one side of the main part away from the cell
Heating plate is additionally provided with, the side of the heating plate is provided with conductor wire；The end plate is arranged at the two ends of the battery modules, every piece
End plate includes protective tip and the fixed charge method end plate corresponding with the protective tip；The protective tip close to the bottom plate one
Side, which is additionally provided with multiple threading structures, to be used for through the conductor wire on one heating plate of correspondence.
In a preferred embodiment, each protective tip is including rectangular-shaped matrix and is respectively arranged at described matrix
The protection base at four angles, described matrix is vertical with the protection base to be connected；One side of each matrix provided with the protection base against
On the end face of one cell of correspondence at the battery modules two ends, each protection base is resisted against the battery modules two ends
One cell of correspondence angle on.
In a preferred embodiment, one side of each matrix away from the protection base is fixed with the fixed charge method end plate and connected
Connect.
In a preferred embodiment, each battery modules also include side plate and cover plate, and the side plate quantity has two pieces
And respectively be located at the battery modules both sides, every block of side plate be resisted against in the plane of the side split of multiple cells and with
The fixed part of the bottom plate is fixedly connected；The cover plate is located at the top surface of multiple cells of the battery modules.
In a preferred embodiment, each threading structure includes support and multiple grabs, and multiple grabs are set respectively
It is in the both sides of the support and staggeredly relative.
In a preferred embodiment, the heating plate is fixedly connected with the main part.
In a preferred embodiment, the heating plate of multiple battery modules conductor wire series connection after with the casing
Connector is electrically connected with.
In a preferred embodiment, the material of the heating plate is graphene.
The battery case that the present invention is provided, at low temperatures, can provide heat, it is ensured that battery modules to cell rapidly
Stability and uniformity.
【Brief description of the drawings】
The exploded view for the battery case that Fig. 1 provides for the present invention.
Fig. 2 be Fig. 1 shown in battery case in battery modules exploded view.
Fig. 3 be Fig. 2 shown in battery modules in cell stereogram.
Fig. 4 is another angular views of the battery modules shown in Fig. 2.
Fig. 5 be Fig. 2 shown in battery modules in bottom plate stereogram.
Fig. 6 be Fig. 2 shown in battery modules in protective tip stereogram.
Fig. 7 is the partial enlarged drawing of region A shown in Fig. 1.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantageous effects become apparent from understanding, below in conjunction with accompanying drawing and
Embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Referring to Fig. 1, a kind of battery case 100 for providing of the present invention, including casing 10, case lid 20 and it is contained in the casing
10 with the case lid 20 in multiple battery modules 30.Multiple battery modules 30 are arranged adjacent in the casing 10 successively.
Referring to Fig. 2, in the present embodiment, the quantity of battery modules 30 has six.Each battery modules 30 include
Multiple cells 40, bottom plate 50, end plate 60, side plate 70 and cover plate 80.
Referring to Fig. 3, the cell 40 be cuboid and including a pair sideways 41, it is vertical with the pair of side 41
A pair of end faces 42, a bottom surface 43 and a top surface 44 relative with the bottom surface 43 for connection.The top surface 44 is provided with one
Individual positive pole 45 and a negative pole 46.Multiple cells 40 are abutted by the end face 42 of two neighboring cell 40 successively
Arrangement, and multiple cells 40 the positive pole 45 and the negative pole 46 at grade, the side of multiple cells 40
Face 41 is located in two opposite planes.It is electrically connected between multiple cells 40.
Fig. 4 and Fig. 5 is referred to, the bottom plate 50 is arranged at the lower section of multiple cells 40, and the bottom plate 50 is rectangular
Tabular and two fixed parts 52 formed including main part 51 and from the edge bending extension of the both sides of main part 51.The master
Body portion 51 and the bottom surface 43 of multiple cells 40 lean.In one side of the main part 51 away from the cell 40 also
Provided with heating plate 53.The heating plate 53 is fixedly connected with the main part 51.In the present embodiment, the heating plate 53
Material is graphene.The heating plate 53 is close to the side of the end plate 60 provided with two conductor wires 531.In present embodiment
In, the material of the bottom plate 50 is aluminium.
Also referring to Fig. 2 and Fig. 6, the quantity of end plate 60 has two pieces and is arranged at the two ends of the battery modules 30.
Every piece of end plate 60 includes protective tip 61 and the fixed charge method end plate 62 corresponding with the protective tip 61.In the present embodiment,
Each protective tip 61 includes rectangular-shaped matrix 611 and is respectively arranged at the protection base 612 at 611 4 angles of described matrix.Institute
State that matrix 611 is vertical with the protection base 612 to be connected.Each one side of the matrix 611 provided with the protection base 612 is resisted against described
On the end face 111 of one cell 11 of correspondence at the two ends of battery modules 30, each protection base 612 is resisted against the battery modules
On the angle of one cell 11 of correspondence at 30 two ends.Each one side of the matrix 611 away from the protection base 612 and the fixation
End plate 62 is fixedly connected.
In the present embodiment, the protective tip 61 is additionally provided with multiple threading structures close to the side of the bottom plate 50
613.In the present embodiment, the quantity of threading structure 613 has two and each threading structure 613 includes the support of " L " type
6131 and multiple grabs 6132, multiple grabs 6132 are respectively arranged at the both sides of the support 6131 and staggeredly relative, the branch
Frame 6131 is fixedly connected with the protective tip 61 close to the side of the bottom plate 50.Two threading structures 613 are in same level
On line and for through correspondence one heating plate 53 on conductor wire 531.Specifically, the material of protective tip 61 is plastics.
Referring to Fig. 7, the heating plate 53 of multiple bottoms of battery modules 30 conductor wire 531 connect after with the connector on the casing 10
11 are electrically connected with.
Each fixed charge method end plate 62 is resisted against in one side of one protective tip 61 of correspondence away from the cell 40.
The quantity of side plate 70 has two pieces and is located at the both sides of the battery modules 30 respectively, and every block of side plate 70 is substantially in square
Shape and be resisted against multiple cells 40 the split of side 41 plane on and be fixedly connected with the fixed part 52 of the bottom plate 50.
The cover plate 80 is the top surface 44 of rectangle and multiple cells 40 positioned at the battery modules 30.
During assembling, the end face 42 of the multiple cell 40 is fixedly connected integrally after successively first, now,
The top surface 44 provided with the positive pole 45 and the negative pole 46 of multiple cells 40 is in same plane.It is multiple by what is fixed
Cell 40 is arranged on the bottom plate 50, now, and the heating plate 53 is located at the main part 51 of the bottom plate 50 away from institute
In the one side for stating cell 40.Two protective tips 61 are resisted against to one monomer electricity of correspondence at the two ends of battery modules 30
Blend compounds hydropexis is connected on the end face 41 in pond 40.Then, two fixed charge method end plates 62 are resisted against one protective tip 61 of correspondence
In one side away from the cell 40.Two blocks of side plates 70 are fixedly connected with the bottom plate 50, by the cover plate 80 and institute
End plate 60 is stated to be fixedly connected.Finally, it is the conductor wire 531 of the heating plate 53 of multiple battery modules 30 is anti-through correspondence one one by one
Threading structure 613 and being connected in series on shield end plate 61 is electrically connected with the connector 11 on the casing 10 again.
The battery case that the present invention is provided, at low temperatures, heating plate can be brought rapidly up to the cell after being powered
There is provided heat, it is ensured that the stability and uniformity of battery modules.
The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
Additional advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of refreshing and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (8)
1. a kind of battery case, it is characterised in that：Including casing, case lid and the multiple electricity being contained in the casing and the case lid
Pond module；Each battery modules include multiple cells, bottom plate and two end plates；The cell include a pair of side,
With the pair of side a pair of end faces connected vertically, a bottom surface and a top surface relative with the bottom surface；Multiple monomers
Battery abuts arrangement by the end face of two neighboring cell；The bottom plate is arranged under multiple cells
Side and two fixed parts formed including main part and from the edge bending extension of the main part both sides；The main part with it is many
The bottom surface of individual cell leans, and the main part is additionally provided with heating plate in the one side away from the cell, described to add
The side of backing is provided with conductor wire；The end plate is arranged at the two ends of the battery modules, every piece of end plate include protective tip and
The fixed charge method end plate corresponding with the protective tip；The protective tip is additionally provided with multiple threading knots close to the side of the bottom plate
Structure is used for through the conductor wire on one heating plate of correspondence.
2. battery case as claimed in claim 1, it is characterised in that：Each protective tip is including rectangular-shaped matrix and sets respectively
The protection base at four angles of described matrix is placed in, described matrix is vertical with the protection base to be connected；Each matrix is provided with the protection
The one side of pin is resisted against on the end face of one cell of correspondence at the battery modules two ends, and each protection base is resisted against described
On the angle of one cell of correspondence at battery modules two ends.
3. battery case as claimed in claim 2, it is characterised in that：Each one side of the matrix away from the protection base with it is described solid
Fixed end plate is fixedly connected.
4. battery case as claimed in claim 1, it is characterised in that：Each battery modules also include side plate and cover plate, the side
Plate quantity has two pieces and is located at the both sides of the battery modules respectively, and every block of side plate is resisted against the side split of multiple cells
Plane on and be fixedly connected with the fixed part of the bottom plate；The cover plate is located at multiple cells of the battery modules
Top surface.
5. battery case as claimed in claim 1, it is characterised in that：Each threading structure includes support and multiple grabs, multiple
Grab is respectively arranged at the both sides of the support and staggeredly relative.
6. battery case as claimed in claim 1, it is characterised in that：The heating plate is fixedly connected with the main part.
7. battery case as claimed in claim 1, it is characterised in that：The heating plate of multiple battery modules conductor wire series connection after with
Connector on the casing is electrically connected with.
8. battery case as claimed in claim 1, it is characterised in that：The material of the heating plate is graphene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710533378.1A CN107248557A (en) | 2017-07-03 | 2017-07-03 | A kind of battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710533378.1A CN107248557A (en) | 2017-07-03 | 2017-07-03 | A kind of battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107248557A true CN107248557A (en) | 2017-10-13 |
Family
ID=60014393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710533378.1A Pending CN107248557A (en) | 2017-07-03 | 2017-07-03 | A kind of battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107248557A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018284A (en) * | 2019-05-31 | 2020-12-01 | 比亚迪股份有限公司 | Battery module, battery pack and vehicle |
| CN112271391A (en) * | 2019-01-09 | 2021-01-26 | 比亚迪股份有限公司 | Power battery pack, energy storage device and electric vehicle |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
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| CN204118216U (en) * | 2014-10-13 | 2015-01-21 | 智慧城市系统服务（中国）有限公司 | A kind of battery modules with heating function |
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| CN106601958A (en) * | 2017-02-13 | 2017-04-26 | 深圳市沃特玛电池有限公司 | Fixing structure of battery modules |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271391A (en) * | 2019-01-09 | 2021-01-26 | 比亚迪股份有限公司 | Power battery pack, energy storage device and electric vehicle |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
| CN112018284A (en) * | 2019-05-31 | 2020-12-01 | 比亚迪股份有限公司 | Battery module, battery pack and vehicle |
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