CN108832047A - A kind of 21700 battery core batteries in parallel connection mould groups - Google Patents
A kind of 21700 battery core batteries in parallel connection mould groups Download PDFInfo
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- CN108832047A CN108832047A CN201810658310.0A CN201810658310A CN108832047A CN 108832047 A CN108832047 A CN 108832047A CN 201810658310 A CN201810658310 A CN 201810658310A CN 108832047 A CN108832047 A CN 108832047A
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- battery core
- module casing
- parallel connection
- connection mould
- batteries
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- 238000001816 cooling Methods 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- -1 phenolic aldehyde Chemical class 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 5
- 229920001568 phenolic resin Polymers 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920006380 polyphenylene oxide Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
Classifications
-
- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to battery core batteries in parallel connection mould technical group fields, more particularly to a kind of 21700 battery core batteries in parallel connection mould groups;Including module casing and multiple 21700 single battery cores, cylinder manifold is mounted on the outer wall of the module casing two sides, multiple inserting grooves are laid on the two sides inner wall of the module casing, electrode, which is additionally provided with, on the two sidewalls of the module casing installs through-hole, each electrode installs through-hole and each inserting groove location corresponds, and the electrode of multiple confluence pieces and each 21700 single battery core both ends on each cylinder manifold connects one to one respectively.21700 battery core batteries in parallel connection mould group disclosed in this invention, it is multiple for inserting the inserting groove of 21700 single battery core by being arranged in module casing, 21700 single battery cores are fixed in the module casing in a manner of inserting clamping, it can satisfy high-strength structure required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity, and structure is simple, manufacturing cost is lower.
Description
Technical field
The present invention relates to battery core batteries in parallel connection mould technical group fields, more particularly to a kind of 21700 battery core batteries in parallel connection mould groups.
Background technique
Today's society, with the continuous improvement of people's living standards, the demand to automobile is more and more, meanwhile, the energy is asked
Topic is constantly deepened, and oil product is gradually in short supply, and also constantly deepens to the pollution of environment.How effective one kind is manufactured
The new-energy automobile for substituting orthodox car becomes the developing goal of current all Automobile Enterprises.Moreover, country is to new-energy automobile
Industry is vigorously supported, also exactly for this purpose.New-energy automobile is divided into pure electric automobile and hybrid power again
Automobile, however, be it is any, all be unable to do without power battery and for it provide power.And the power battery as the energy, due to it
The characteristic of itself needs to increase by way of serial or parallel connection in use the energy and voltage of battery pack, how will
Battery core meets its string by structure design and demand becomes the general orientation researched and developed for new-energy automobile.
Upper level assembly of the mould group as single battery core is the intermediate structure for connecting single battery core and battery pack, design
The performance that quality significantly affects battery pack plays.Single battery core capacity in lithium ion battery module group type lithium ion battery is big, institute
Structure larger with weight, that composition mould group needs to have higher-strength.Also due to 21700 single battery core capacity are big, it is easy to make
At specific surface area deficiency, better radiating condition is needed.Simultaneously in order to meet energy density demand, groups of fixed structure is lighter
Better.However 21700 current lithium ion battery mould groups are unable to satisfy above-mentioned requirements.
Therefore, to solve the above-mentioned problems, it is badly in need of inventing a kind of 21700 new battery core batteries in parallel connection mould groups.
Summary of the invention
It is an object of the invention to:A kind of 21700 battery core batteries in parallel connection mould groups are provided, 21700 battery core parallel-connection structures are solved
While, it can satisfy mould group and need with higher-strength and good thermal diffusivity.
The present invention provides following proposals:
A kind of 21700 battery core batteries in parallel connection mould groups, including module casing and multiple 21700 single battery cores, each described 21700
Single battery core is installed in the module casing, be mounted on the outer wall of the module casing two sides for will it is each described in
21700 single battery cores carry out cylinder manifold in parallel, are laid on the two sides inner wall of the module casing multiple for corresponding inserting
The inserting groove of each 21700 single battery core, be additionally provided on the two sidewalls of the module casing for will 21700 monomer it is electric
The electrode that the electrode of core is pierced by installs through-hole, and each electrode installs through-hole and each inserting groove location corresponds, each institute
The electrode for stating multiple confluence pieces and each 21700 single battery core both ends on cylinder manifold connects one to one respectively.
Preferably, it is additionally provided on the inner sidewall of the module casing and multiple carries out assembling positioning for the module casing
The central axis of positioning column, the central axis and each inserting groove of each positioning column is set in parallel;The center of the positioning column
Axis is equipped with for battery modules to be carried out with cooling cooling water conservancy diversion through-hole.
Preferably, the quantity of the positioning column is even number, and each positioning column is relative to the module casing in height side
Upward center line is symmetrical set, and in symmetrically arranged a pair positioning column, the top of one of them positioning column
Equipped with inserting notch, the top of another positioning column is equipped with insertion head.
Preferably, multiple thermal vias, the central axis of each thermal vias are additionally provided on the module casing two sidewalls
The centerline axis parallel of line and each inserting groove is arranged, and each thermal vias is in set uniformly at intervals with each inserting groove
It sets.
Preferably, the module casing includes two completely identical in structure half shells, and each half-shell body position is corresponding
Setting is fastened, and passes through locking connector locking;The inserting groove is equipped on the inner sidewall of each half shell, and each described
The notch position of inserting groove is arranged in a one-to-one correspondence.
Preferably, the half shell includes sequentially connected left plate, epipleural, right side plate and lower side panel, the left side
Plate, the epipleural, the right side plate and the lower side panel edge on be equipped with for detaining two half shells
The fastening structure of conjunction.
Preferably, the fastening structure on the left plate is clamp, and the fastening structure on the right side plate is
Card slot, the fastening structure on the epipleural are to fasten plate, and the fastening structure on the lower side panel is to fasten to insert
Slot.
Preferably, the locking connector is arranged on the fastening plate.
Preferably, the half shell is in integrated injection molding.
Preferably, the half shell is made of phenoplasts.
The beneficial effect that the present invention generates:
1,21700 battery core batteries in parallel connection mould group disclosed in this invention, each 21700 single battery core are installed in described
In module casing, it is mounted on the outer wall of the module casing two sides for each 21700 single battery core to be carried out parallel connection
Cylinder manifold is laid on the two sides inner wall of the module casing and multiple inserts inserting for each 21700 single battery core for corresponding
Tankage, the electrode being additionally provided with for the electrode of 21700 single battery core to be pierced by the two sidewalls of the module casing install
Through-hole, each electrode installs through-hole and each inserting groove location corresponds, multiple confluence pieces on each cylinder manifold
It connects one to one respectively with the electrode at each 21700 single battery core both ends;By the way that multiple be used for is arranged in module casing
21700 single battery cores are fixed on the mould group shell by the inserting groove for inserting 21700 single battery core in a manner of inserting clamping
In vivo, it can satisfy high-strength structure required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity, and tie
Structure is simple, manufacturing cost is lower;
2, multiple positioning that assembling positioning is carried out for the module casing are additionally provided on the inner sidewall of the module casing
The central axis of column, the central axis and each inserting groove of each positioning column is set in parallel;The central axis of the positioning column
It is equipped with for battery modules to be carried out with cooling cooling water conservancy diversion through-hole;It, can be cold with outside by the way that cooling water conservancy diversion through-hole is arranged
But system is connected to, and increases the refrigerating function of battery modules;And the cooling water conservancy diversion through-hole of multiple battery modules can assemble
At self-contained cooling system when battery pack, without cooling device is separately arranged, structure is simple, increases the heat dissipation redundancy of system,
Meet thermal diffusivity required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity, improves battery modules
Use reliability;
3, multiple thermal vias are additionally provided on the module casing two sidewalls, the central axis of each thermal vias and each
The centerline axis parallel of the inserting groove is arranged, and each thermal vias is in be arranged uniformly at intervals with each inserting groove;It mentions
The high thermal diffusivity of mould group, while promoting battery energy density, convenient for the heat dissipation on each 21700 battery core surface, improves battery mould
The service life of group;
3, module casing is made up of two completely identical in structure half shells of setting, each half-shell body position is corresponding
Setting is fastened, and by locking connector locking, further improves the intensity of structure, and high reliablity;
4, the quantity of the positioning column is even number, each positioning column relative to the module casing in the height direction
Center line is symmetrical set, and in symmetrically arranged a pair positioning column, and the top of one of them positioning column, which is equipped with, inserts
The top of tankage mouth, another positioning column is equipped with insertion head, for the inserting when two half shells are fastened
Positioning;The half shell includes sequentially connected left plate, epipleural, right side plate and lower side panel, the left plate, the upside
The fastening knot for fastening two half shells is equipped on the edge of plate, the right side plate and the lower side panel
Structure;The fastening structure on the left plate is clamp, and the fastening structure on the right side plate is card slot, the upside
The fastening structure on plate is to fasten plate, and the fastening structure on the lower side panel is to fasten slot;Entire mould group
Positioning and fastening structure ensure that quick assembling and integral strength requirement, the energy of further Lifting Modules group of mould group, and tie
Structure is simple, easy to operate, easy to maintain, has taken into account the economical and reasonability of structure;
5, the half shell is in integrated injection molding, and the half shell is made of phenoplasts, preferably acrylic nitrile-butadiene two
Alkene-styrol copolymer (ABS) or polyphenylene oxide (PPO) are made, and to meet lightweight, and reduce the process costs of production and processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (perspective view) of 21700 battery core batteries in parallel connection mould groups of the invention;
Fig. 2 is the structural schematic diagram (main view) of 21700 battery core batteries in parallel connection mould groups of the invention;
Fig. 3 is the structural schematic diagram (perspective view) of half shell of the invention;
Fig. 4 is the structural schematic diagram (main view) of half shell of the invention;
Fig. 5 is the structural schematic diagram (dorsal view) of half shell of the invention;
Fig. 6 is the structural schematic diagram (left view) of half shell of the invention;
Fig. 7 is the structural schematic diagram (right view) of half shell of the invention;
Fig. 8 is the structural schematic diagram (bottom view) of half shell of the invention;
Fig. 9 is the structural schematic diagram (top view) of half shell of the invention;
Figure 10 is the structural schematic diagram (cross-sectional view) of positioning column of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to shown in Fig. 1 to Figure 10, a kind of 21700 battery core batteries in parallel connection mould groups, including module casing 1 and multiple 21700
Single battery core 2, each 21700 single battery core are installed in the module casing, on the outer wall of the module casing two sides
It is equipped with for each 21700 single battery core to be carried out cylinder manifold 3 in parallel, is laid on the two sides inner wall of the module casing
There are multiple inserting grooves 5 for corresponding each 21700 single battery core of inserting, is additionally provided with use on the two sidewalls of the module casing
Through-hole 6 is installed in the electrode for being pierced by the electrode of 21700 single battery core, each electrode installs through-hole and each inserting
Groove location corresponds, and the electrode of multiple confluence pieces 4 and each 21700 single battery core both ends on each cylinder manifold is distinguished
It connects one to one.It is additionally provided on the inner sidewall of the module casing and multiple carries out determining for assembling positioning for the module casing
Position column 7, the central axis of the central axis and each inserting groove of each positioning column are set in parallel;The central axis of the positioning column
Line is equipped with for battery modules to be carried out with cooling cooling water conservancy diversion through-hole 8.The quantity of the positioning column is even number, each described fixed
Position column is symmetrical set relative to the center line of the module casing in the height direction, and symmetrically arranged a pair positioning
In column, the top of one of them positioning column is equipped with inserting notch 9, and the top of another positioning column is equipped with insertion head
10, for the inserting positioning when two half shells are fastened.
Multiple thermal vias 11 are additionally provided on module casing two sidewalls described in the present embodiment, in each thermal vias
The centerline axis parallel of mandrel line and each inserting groove is arranged, and each thermal vias and each inserting groove are equal in interval
Cloth setting.The module casing includes two completely identical in structure half shells 12, and corresponding fasten in each half-shell body position sets
It sets, and by locking connector locking, the locking connector is card slot clamp locking connector;The inside of each half shell
The inserting groove is equipped on wall, and the notch position of each inserting groove is arranged in a one-to-one correspondence.The half shell includes successively
Left plate 13, epipleural 14, right side plate 15 and the lower side panel 16 of connection, the left plate, the epipleural, the right side plate and
The fastening structure for fastening two half shells is equipped on the edge of the lower side panel.On the left plate
The fastening structure is clamp 17, and the fastening structure on the right side plate is card slot 18, the button on the epipleural
Closing structure is to fasten plate 19, and the fastening structure on the lower side panel is to fasten slot 20.The locking connector setting
On the fastening plate.The half shell is in integrated injection molding.The half shell is made of phenoplasts.The upside
The bolt hole 21 for fixing the cylinder manifold is additionally provided on plate, the upper end of the module casing, which is equipped with, is used for multiple module casings
It is attached the connecting groove 22 of positioning, the connecting groove is arranged on the epipleural, and the bolt hole is arranged described
In connecting groove;The half shell is in integrated injection molding, and the half shell is made of phenoplasts.
21700 battery core batteries in parallel connection mould group described in the present embodiment, each 21700 single battery core are installed in the mould
In group shell, it is mounted on the outer wall of the module casing two sides for each 21700 single battery core to be carried out remittance in parallel
Flowing plate is laid on the two sides inner wall of the module casing multiple for the corresponding insertings for inserting each 21700 single battery core
Slot, be additionally provided on the two sidewalls of the module casing electrode for the electrode of 21700 single battery core to be pierced by install it is logical
Hole, each electrode installs through-hole and each inserting groove location corresponds, multiple confluence pieces on each cylinder manifold and
The electrode at each 21700 single battery core both ends connects one to one respectively;It is multiple for inserting by being arranged in module casing
21700 single battery cores are fixed on the module casing by the inserting groove for filling 21700 single battery core in a manner of inserting clamping
It is interior, it can satisfy high-strength structure required for batteries in parallel connection mould group composed by 21700 big single battery cores of capacity, and structure
Simply, manufacturing cost is lower.
21700 battery core batteries in parallel connection mould group described in the present embodiment is additionally provided on the inner sidewall of the module casing multiple
The positioning column of assembling positioning, the central axis of each positioning column and the central axis of each inserting groove are carried out for the module casing
Line is set in parallel;The central axis of the positioning column is equipped with for battery modules to be carried out with cooling cooling water conservancy diversion through-hole;
By the way that cooling water conservancy diversion through-hole is arranged, it can be connected to external cooling system, increase the refrigerating function of battery modules;And it is multiple
The cooling water conservancy diversion through-hole of battery modules can when being assembled into battery pack self-contained cooling system, without cooling device is separately arranged,
Structure is simple, increases the heat dissipation redundancy of system, meets batteries in parallel connection mould group composed by 21700 big single battery cores of capacity
Required thermal diffusivity improves the use reliability of battery modules;
21700 battery core batteries in parallel connection mould group described in the present embodiment is additionally provided with multiple dissipate on the module casing two sidewalls
The centerline axis parallel of heat through-hole, the central axis of each thermal vias and each inserting groove is arranged, and each heat dissipation
Through-hole is in be arranged uniformly at intervals with each inserting groove;The thermal diffusivity of mould group is improved, while promoting battery energy density, just
Heat dissipation in each 21700 battery core surface improves the service life of battery modules.
21700 battery core batteries in parallel connection mould group described in the present embodiment, by the way that two completely identical in structure half shells are arranged
Form module casing, each half-shell body position is corresponding to fasten setting, and by locking connector locking, further improve
The intensity of structure, and high reliablity.
21700 battery core batteries in parallel connection mould group described in the present embodiment, the quantity of the positioning column are even number, each positioning
Column is symmetrical set relative to the center line of the module casing in the height direction, and symmetrically arranged a pair positioning column
In, the top of one of them positioning column is equipped with inserting notch, and the top of another positioning column is equipped with insertion head, is used for
Inserting positioning when two half shells are fastened;The half shell includes sequentially connected left plate, epipleural, the right side
Side plate and lower side panel, the left plate, the epipleural, the right side plate and the lower side panel edge on be equipped with for will
The fastening structure that two half shells are fastened;The fastening structure on the left plate is clamp, the right side plate
On the fastening structure be card slot, the fastening structure on the epipleural is to fasten plate, the institute on the lower side panel
Fastening structure is stated to fasten slot;The positioning of entire mould group and fastening structure ensure that the quick assembling of mould group and integral strength are wanted
It asks, the energy of further Lifting Modules group, and structure is simple, it is easy to operate, it is easy to maintain, take into account the economical and reasonable of structure
Property.
21700 battery core batteries in parallel connection mould group described in the present embodiment, the half shell are in integrated injection molding, the half-shell
Body is made of phenoplasts, and preferably acrylonitrile-butadiene-styrene copolymer (ABS) or polyphenylene oxide (PPO) is made, with full
Sufficient lightweight, and reduce the process costs of production and processing.
21700 battery core batteries in parallel connection mould group disclosed in this invention, with 21700 cylindrical electrical cores 33 and battery modules be
Example, including half shell 2, cylinder manifold (being made of cupro-nickel material) 2;The half shell, can be two-by-two by special designing
Fasten one complete, closed module casing of composition.Inserting groove is designed in half shell, can be embedded in battery core, battery core is played
Fixed supporting role.Cylinder manifold uses laser welding mode, and confluence copper bar and contact nickel sheet are welded together.Its assembling process
For:First 21700 single battery cores are placed in the half shell of side according to identical electrodes direction, then by half shell described in the other side
It is buckled in the half shell of this side according to 180 ° of form of overturning, is combined together by the buckle in half shell, form one
Complete module casing;Finally two cylinder manifolds are individually positioned in the groove of half shell two sides, make to contact nickel sheet and battery core
Contact electrode completes the dress of entire battery modules by nickel sheet together with battery core electrode welding using professional welding machine later
Match.
21700 battery core batteries in parallel connection mould group disclosed in this invention, the half shell inside are equipped with inserting groove to fixation
21700 single battery cores;The half shell front is provided with electrode and installs through-hole, battery core electrode to be exposed, convenient and remittance
Flow welding;There are two circular ring type positioning column on the inside of the half shell, one of end is equipped with insertion head, other side end
Inserting equipped with inserting notch, when assembling two-by-two, when one of half shell overturns 180 °, on the positioning column of two half shells
Head and inserting notch can be fastened mutually.Four cycle side plate edges of half shell are designed using same thought, using convex inside half
Type design, groove design is used inside half, when assembling two-by-two, when one of shell overturns 180 °, two half shells
The protrusion and groove of outer ring can be fastened mutually.In the outside of the half shell, using same design, guarantee forming complete mould
It after group, can also cooperate between mould group and mould group, improve the convenience of assembly.21700 battery core disclosed in this invention is simultaneously
Join battery modules, 21700 cylindrical electrical cores can be connected in parallel by structure, the energy of Lifting Modules group, and structure is simple,
It is easy to operate, it is easy to maintain.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that:Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of 21700 battery core batteries in parallel connection mould groups, it is characterised in that:Including module casing and multiple 21700 single battery cores, respectively
21700 single battery core is installed in the module casing, is mounted on the outer wall of the module casing two sides for inciting somebody to action
Each 21700 single battery core carries out cylinder manifold in parallel, be laid on the two sides inner wall of the module casing it is multiple for pair
The inserting groove of each 21700 single battery core should be inserted, is additionally provided with and is used for described 21700 on the two sidewalls of the module casing
The electrode that the electrode of single battery core is pierced by installs through-hole, and each electrode installs through-hole and each inserting groove location is right one by one
It answers, multiple confluence pieces on each cylinder manifold and the electrode at each 21700 single battery core both ends connect one to one respectively.
2. 21700 battery core batteries in parallel connection mould group according to claim 1, it is characterised in that:The inside of the module casing
Be additionally provided on wall it is multiple carry out the positioning columns of assembling positioning for the module casing, the central axis of each positioning column and each
The central axis of inserting groove is set in parallel;The central axis of the positioning column is equipped with for carrying out cooling to battery modules
Cooling water conservancy diversion through-hole.
3. 21700 battery core batteries in parallel connection mould group according to claim 2, it is characterised in that:The quantity of the positioning column is
Even number, each positioning column are symmetrical set relative to the center line of the module casing in the height direction, and are symmetrical arranged
A pair positioning column in, the top of one of them positioning column is equipped with inserting notch, the top of another positioning column
End is equipped with insertion head.
4. 21700 battery core batteries in parallel connection mould group according to claim 3, it is characterised in that:The module casing two sidewalls
On be additionally provided with multiple thermal vias, the central axis of each thermal vias and the centerline axis parallel of each inserting groove are set
It sets, and each thermal vias is in be arranged uniformly at intervals with each inserting groove.
5. 21700 battery core batteries in parallel connection mould group according to claim 4, it is characterised in that:The module casing includes two
A completely identical in structure half shell, each half-shell body position is corresponding to fasten setting, and passes through locking connector locking;Each institute
It states and is equipped with the inserting groove on the inner sidewall of half shell, and the notch position of each inserting groove is arranged in a one-to-one correspondence.
6. 21700 battery core batteries in parallel connection mould group according to claim 5, it is characterised in that:The half shell includes successively
Left plate, epipleural, right side plate and the lower side panel of connection, the left plate, the epipleural, the right side plate and the downside
The fastening structure for fastening two half shells is equipped on the edge of plate.
7. 21700 battery core batteries in parallel connection mould group according to claim 6, it is characterised in that:It is described on the left plate
Fastening structure is clamp, and the fastening structure on the right side plate is card slot, and the fastening structure on the epipleural is
Plate is fastened, the fastening structure on the lower side panel is to fasten slot.
8. 21700 battery core batteries in parallel connection mould group according to claim 7, it is characterised in that:The locking connector setting
On the fastening plate.
9. 21700 battery core batteries in parallel connection mould group according to claim 8, it is characterised in that:The half shell is in one note
It is moulded into type.
10. 21700 battery core batteries in parallel connection mould group according to claim 9, it is characterised in that:The half shell uses phenolic aldehyde
Plastics are made.
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CN201810658310.0A CN108832047A (en) | 2018-06-25 | 2018-06-25 | A kind of 21700 battery core batteries in parallel connection mould groups |
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CN201810658310.0A CN108832047A (en) | 2018-06-25 | 2018-06-25 | A kind of 21700 battery core batteries in parallel connection mould groups |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN205609613U (en) * | 2016-03-25 | 2016-09-28 | 深圳市沃特玛电池有限公司 | Power battery module |
CN205790127U (en) * | 2016-05-31 | 2016-12-07 | 德龙伟创科技(深圳)有限公司 | A kind of integrated type battery module |
CN205882020U (en) * | 2016-07-28 | 2017-01-11 | 深圳市沃特玛电池有限公司 | Power battery module block structure |
CN206742309U (en) * | 2017-04-21 | 2017-12-12 | 安徽欧鹏巴赫新能源科技有限公司 | Lithium ion battery module group unit |
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2018
- 2018-06-25 CN CN201810658310.0A patent/CN108832047A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205609613U (en) * | 2016-03-25 | 2016-09-28 | 深圳市沃特玛电池有限公司 | Power battery module |
CN205790127U (en) * | 2016-05-31 | 2016-12-07 | 德龙伟创科技(深圳)有限公司 | A kind of integrated type battery module |
CN205882020U (en) * | 2016-07-28 | 2017-01-11 | 深圳市沃特玛电池有限公司 | Power battery module block structure |
CN206742309U (en) * | 2017-04-21 | 2017-12-12 | 安徽欧鹏巴赫新能源科技有限公司 | Lithium ion battery module group unit |
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Application publication date: 20181116 |