CN108550756A - A kind of 21700 battery core batteries in parallel connection module shells - Google Patents
A kind of 21700 battery core batteries in parallel connection module shells Download PDFInfo
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- CN108550756A CN108550756A CN201810658389.7A CN201810658389A CN108550756A CN 108550756 A CN108550756 A CN 108550756A CN 201810658389 A CN201810658389 A CN 201810658389A CN 108550756 A CN108550756 A CN 108550756A
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- battery core
- parallel connection
- module
- connection module
- module casing
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- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 229920006380 polyphenylene oxide Polymers 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
- 238000013461 design Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 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
- 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
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 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
- H01M10/65—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
- H01M10/6562—Gases with free flow by convection only
-
- 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
Landscapes
- 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 module technical fields, more particularly to a kind of 21700 battery core batteries in parallel connection module shells；Include the module casing for installing 21700 single battery cores being arranged in parallel, module casing both sides outer wall is equipped with the first mounting groove and the second mounting groove for installing cylinder manifold in parallel；It is laid with multiple inserting grooves on the both sides inner wall of the module casing, electrode is additionally provided on the two side of the module casing and installs through-hole, each electrode installs through-hole and corresponded with each inserting groove location.21700 battery core batteries in parallel connection module shell disclosed in this invention, by the way that multiple inserting grooves for inserting 21700 single battery core are arranged in module casing, 21700 single battery cores are fixed in a manner of inserting clamping in the module casing, disclosure satisfy that the required high-strength structure of batteries in parallel connection module that 21700 big single battery cores of capacity are formed, and it is simple in structure, manufacturing cost is relatively low.
Description
Technical field
The present invention relates to battery core batteries in parallel connection module technical fields, more particularly to a kind of 21700 battery core batteries in parallel connection modules
Shell.
Background technology
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 it is effective manufacture one
Kind substitutes the new-energy automobile of 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 mixing again
Power vehicle all be unable to do without power battery and provides power for it however, being any.And as the power battery of the energy,
Due to the characteristic of itself, the energy and voltage that increase battery pack by way of serial or parallel connection are needed in use,
How battery core is met into its string by structure design and demand becomes the general orientation researched and developed for new-energy automobile.
Upper level assembly of the module 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
Larger with weight, composition module needs the structure with 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 got over
It is light better.However 21700 current lithium ion battery modules cannot be satisfied above-mentioned requirements.
Therefore, to solve the above-mentioned problems, it is badly in need of a kind of 21700 new battery core batteries in parallel connection module shells of invention.
Invention content
It is an object of the invention to：A kind of 21700 battery core batteries in parallel connection module shells are provided, it is in parallel to solve 21700 battery cores
While structure, it disclosure satisfy that module is needed with higher-strength and good thermal diffusivity.
The present invention provides following proposals：
A kind of 21700 battery core batteries in parallel connection module shells, include for installing 21700 single battery cores being arranged in parallel
Module casing, module casing both sides outer wall are equipped with the first mounting groove and the second installation for installing cylinder manifold in parallel
Slot；Multiple inserting grooves for 21700 single battery cores of corresponding inserting are laid on the both sides inner wall of the module casing, it is described
It is additionally provided with the electrode for the electrode of 21700 single battery cores to be pierced by the two side of module casing and installs through-hole, each electricity
Pole installs through-hole and is corresponded with each inserting groove location.
Preferably, it is additionally provided on the madial wall of the module casing and multiple carries out assembling positioning for the module casing
Positioning column, the central axis of the central axis and each inserting groove of each positioning column is set in parallel；In the positioning column
Mandrel line 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 shaft of each thermal vias are additionally provided on the module casing two side
The centerline axis parallel of line and each inserting groove is arranged, and each thermal vias and each inserting groove are in uniformly at intervals
Setting.
Preferably, the module casing includes two completely identical in structure half shells, and each half-shell body position corresponds to
Setting is fastened, and passes through locking connector locking；The inserting groove, and each institute are equipped on the madial wall of each half shell
The notch position for stating inserting groove is arranged in a one-to-one correspondence.
Preferably, the half shell includes sequentially connected left plate, epipleural, right plate and lower side panel, the left side
Plate, the epipleural, the right 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 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 advantageous effect that the present invention generates：
1,21700 battery core batteries in parallel connection module shell disclosed in this invention, includes being arranged in parallel for installing
The module casing of 21700 single battery cores, module casing both sides outer wall are equipped with the first peace for installing cylinder manifold in parallel
Tankage and the second mounting groove；It is laid on the both sides inner wall of the module casing multiple for 21700 single battery cores of corresponding inserting
Inserting groove, the electrode being additionally provided with for the electrode of 21700 single battery cores to be pierced by the two side of the module casing installs
Through-hole, each electrode install through-hole and are corresponded with each inserting groove location；By the way that multiple use are arranged in module casing
In the inserting groove for inserting 21700 single battery core, 21700 single battery cores are fixed on the mould in a manner of inserting clamping
In group shell, the required high intensity knot of batteries in parallel connection module that 21700 big single battery cores of capacity are formed disclosure satisfy that
Structure, and it is simple in structure, manufacturing cost is relatively low；
2, multiple positioning that assembling positioning is carried out for the module casing are additionally provided on the madial wall 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 cooling water conservancy diversion through-hole of setting
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
It is simple in structure without cooling device is separately arranged at self-contained cooling system when battery pack, the heat dissipation redundancy of system is increased,
Meet the required thermal diffusivity of batteries in parallel connection module that 21700 big single battery cores of capacity are formed, improves battery modules
Use reliability；
3, be additionally provided with multiple thermal vias on the module casing two side, the central axis of each thermal vias with
The centerline axis parallel of each inserting groove is arranged, and each thermal vias is in be arranged uniformly at intervals with each inserting groove；
The thermal diffusivity of module is improved, while promoting battery energy density, is convenient for the heat dissipation on each 21700 battery core surface, improves battery
The service life of module；
3, module casing, each half-shell body position pair are formed by the way that two completely identical in structure half shells are arranged
Setting should be fastened, and by locking connector locking, further improves the intensity of structure, and reliability is high；
4, the quantity of the positioning column be even number, each positioning column relative to the module casing in the height direction
Center line be symmetrical set, and in symmetrically arranged a pair positioning column, the top of one of them positioning column is equipped with
Notch is inserted, the top of another positioning column is equipped with insertion head, for inserting when two half shells are fastened
Set position；The half shell includes sequentially connected left plate, epipleural, right plate and lower side panel, the left plate, described
The button for fastening two half shells is equipped on the edge of epipleural, the right plate and the lower side panel
Close structure；The fastening structure on the left plate is clamp, and the fastening structure on the right plate is card slot, institute
It is to fasten plate to state the fastening structure on epipleural, and the fastening structure on the lower side panel is to fasten slot；Entirely
The positioning of module and fastening structure ensure that quick assembling and the integral strength requirement of module, further promote the energy of module,
And simple in structure, easy to operate, easy care 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
Diene-styrene copolymer (ABS) or polyphenylene oxide (PPO) are made, to meet lightweight, and reduce the technique of production and processing at
This.
Description of the drawings
Fig. 1 is the structural schematic diagram (stereogram) of the 21700 battery core batteries in parallel connection module shells of the present invention；
Fig. 2 is the structural schematic diagram (front view) of the 21700 battery core batteries in parallel connection module shells of the present invention；
Fig. 3 is the structural schematic diagram (stereogram) of the half shell of the present invention；
Fig. 4 is the structural schematic diagram (front view) of the half shell of the present invention；
Fig. 5 is the structural schematic diagram (dorsal view) of the half shell of the present invention；
Fig. 6 is the structural schematic diagram (left view) of the half shell of the present invention；
Fig. 7 is the structural schematic diagram (right view) of the half shell of the present invention；
Fig. 8 is the structural schematic diagram (upward view) of the half shell of the present invention；
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described reality
It is a part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to what the present invention protected
Range.
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, be only for
Convenient for the description present invention and simplify description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Shown in Fig. 1 to Fig. 8, a kind of 21700 battery core batteries in parallel connection module shells, including be used to install and be arranged in parallel
21700 single battery cores module casing 1, module casing both sides outer wall is equipped with for installing cylinder manifold in parallel
One mounting groove 2 and the second mounting groove 3；It is laid on the both sides inner wall of the module casing multiple single for corresponding inserting 21700
The inserting groove 5 of body battery core is additionally provided on the two side of the module casing for the electrode of 21700 single battery cores to be pierced by
Electrode installs through-hole 6, and each electrode installs through-hole and corresponded with each inserting groove location.The module casing it is interior
Multiple positioning columns 7 that assembling positioning is carried out for the module casing, the central axis of each positioning column are additionally provided on side wall
It is set in parallel with the central axis of each inserting groove；The central axis of the positioning column is equipped with for being carried out to battery modules
Cooling cooling water conservancy diversion through-hole 8.The quantity of the positioning column is even number, and each positioning column exists relative to the module casing
Center line in short transverse is symmetrical set, and in symmetrically arranged a pair positioning column, one of them described positioning column
Top be equipped with inserting notch 9, the top of another positioning column is equipped with insertion head 10, in two half shells
Inserting positioning when being fastened.
Multiple thermal vias 11 are additionally provided on module casing two side described in the present embodiment, each thermal vias
Between the centerline axis parallel of central axis and each inserting groove is arranged, and each thermal vias and each inserting groove are in
Every being uniformly arranged.The module casing includes two completely identical in structure half shells 12, and each half-shell body position corresponds to button
Setting is closed, and by locking connector locking, the locking connector is card slot clamp locking connector；Each half shell
Madial wall on be equipped with the inserting groove, and the notch position of each inserting groove is arranged in a one-to-one correspondence.The half shell packet
Include sequentially connected left plate 13, epipleural 14, right plate 15 and lower side panel 16, it is the left plate, the epipleural, described
The fastening structure for fastening two half shells is equipped on the edge of right plate and the lower side panel.It is described
The fastening structure on left plate is clamp 17, and the fastening structure on the right plate is card slot 18, the epipleural
On the fastening structure be to fasten plate 19, the fastening structure on the lower side panel is to fasten slot 20.The locking
Connector is arranged on the fastening plate.The half shell is in integrated injection molding.The half shell uses phenoplasts
It is made.The bolt hole 21 for fixing the cylinder manifold is additionally provided on the epipleural, the upper end of the module casing, which is equipped with, to be used
It is attached the connecting groove 22 of positioning in multiple module casings, the connecting groove is arranged on the epipleural, the spiral shell
Keyhole is arranged in the connecting groove；The dismounting hole 4 that module casing is dismounted is additionally provided on the epipleural；Described half
Shell is in integrated injection molding, and the half shell is made of phenoplasts.
21700 battery core batteries in parallel connection module shell described in the present embodiment, includes for installing be arranged in parallel 21700
The module casing of single battery core, module casing both sides outer wall are equipped with the first mounting groove for installing cylinder manifold in parallel
With the second mounting groove；Multiple inserting for 21700 single battery cores of corresponding inserting are laid on the both sides inner wall of the module casing
Tankage, be additionally provided on the two side of the module casing electrode for the electrode of 21700 single battery cores to be pierced by install it is logical
Hole, each electrode install through-hole and are corresponded with each inserting groove location；By the way that multiple be used for is arranged in module casing
21700 single battery cores are fixed on the module by the inserting groove for inserting 21700 single battery core in a manner of inserting clamping
In shell, the required high-strength structure of batteries in parallel connection module that 21700 big single battery cores of capacity are formed disclosure satisfy that,
And it is simple in structure, manufacturing cost is relatively low.
21700 battery core batteries in parallel connection module shell described in the present embodiment is additionally provided on the madial wall of the module casing
Multiple positioning columns that assembling positioning is carried out for the module casing, central axis and each inserting groove of each positioning column
Central axis is set in parallel；The central axis of the positioning column is equipped with leads for carrying out cooling cooling to battery modules
Recirculation hole；By the cooling water conservancy diversion through-hole of setting, it can be connected to external cooling system, increase the cooling work(of battery modules
Energy；And the cooling water conservancy diversion through-hole of multiple battery modules can when being assembled into battery pack self-contained cooling system, without being separately arranged
Cooling device, it is simple in structure, the heat dissipation redundancy of system is increased, meets what 21700 big single battery cores of capacity were formed
The required thermal diffusivity of batteries in parallel connection module, improves the use reliability of battery modules；
21700 battery core batteries in parallel connection module shell described in the present embodiment is additionally provided on the module casing two side more
A thermal vias, the central axis of each thermal vias and the centerline axis parallel of each inserting groove are arranged, and each described
Thermal vias is in be arranged uniformly at intervals with each inserting groove；The thermal diffusivity for improving module promotes the same of battery energy density
When, it is convenient for the heat dissipation on each 21700 battery core surface, improves the service life of battery modules.
21700 battery core batteries in parallel connection module shell described in the present embodiment, by being arranged two completely identical in structure half
Shell forms module casing, and each half-shell body position, which corresponds to, fastens setting, and by locking connector locking, further
The intensity of structure is improved, and reliability is high.
The quantity of 21700 battery core batteries in parallel connection module shell described in the present embodiment, the positioning column is even number, each institute
It states positioning column to be symmetrical set relative to the center line of the module casing in the height direction, and symmetrically arranged a pair of of institute
It states in positioning column, the top of one of them positioning column is equipped with inserting notch, and the top of another positioning column, which is equipped with, inserts
Head is filled, for the inserting positioning when two half shells are fastened；The half shell includes sequentially connected left side
Plate, epipleural, right plate and lower side panel, the left plate, the epipleural, the right plate and the lower side panel edge
On be equipped with fastening structure for fastening two half shells；The fastening structure on the left plate is
Clamp, the fastening structure on the right plate are card slot, and the fastening structure on the epipleural is to fasten plate,
The fastening structure on the lower side panel is to fasten slot；The positioning of entire module and fastening structure ensure that the fast of module
Speed assembling and integral strength requirement, further promote the energy of module, and simple in structure, easy to operate, easy care is taken into account
The economical and reasonability of structure.
21700 battery core batteries in parallel connection module shell described in the present embodiment, the half shell are in integrated injection molding, institute
It states half shell to be made of phenoplasts, preferably acrylonitrile-butadiene-styrene copolymer (ABS) or polyphenylene oxide (PPO) system
At to meet lightweight, and reducing the process costs of production and processing.
21700 battery core batteries in parallel connection module shell disclosed in this invention, with the battery mould of 21700 cylindrical electrical cores 33 simultaneously
For group, including half shell 2, cylinder manifold (being made of cupro-nickel material) 2；The half shell, can be with by special designing
One complete, closed module casing of composition is fastened two-by-two.Inserting groove is designed in half shell, battery core can be embedded in, to battery core
Play fixed supporting role.Cylinder manifold uses laser welding mode, and confluence copper bar and contact nickel sheet are welded together.Its group
Dress process is：First 21700 single battery cores are placed on according to identical electrodes direction in the half shell of side, then by other side institute
It states half shell to be buckled in the half shell of this side according to the form for overturning 180 °, be combined together by the buckle in half shell,
Form a complete module casing；Finally two cylinder manifolds are individually positioned in the groove of half shell both sides, make contact nickel
Piece and battery core contact electrode utilize professional welding machine to complete entire battery by nickel sheet together with battery core electrode welding later
The assembly of module.
21700 battery core batteries in parallel connection module shell disclosed in this invention, the half shell be internally provided with inserting groove to
Fix 21700 single battery cores；The half shell front is provided with electrode and installs through-hole, convenient to expose battery core electrode
With confluence piece welding；There are two circular ring type positioning columns, one of end to be equipped with insertion head on the inside of the half shell, and in addition one
Side end is equipped with inserting notch, when assembling two-by-two, when one of half shell overturns 180 °, and the positioning column of two half shells
On insertion head and inserting notch can mutually fasten.Four cycle side plate edges of half shell are designed using same thought, half
Inside is designed using convex, is designed using groove inside half, when assembling two-by-two, when one of shell overturns 180 °, and two
The protrusion and groove of the outer ring of a half shell can be fastened mutually.Ensured using same design in the outside of the half shell
After forming complete module, it can also cooperate between module and module, improve the convenience of assembly.It is presently disclosed
21700 battery core batteries in parallel connection module shells, 21700 cylindrical electrical cores can be connected in parallel by structure, promoted module
Energy, and simple in structure, easy to operate, easy care.
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；
Although present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：Its
It still can be either special to which part or whole technologies with technical scheme described in the above embodiments is modified
Sign carries out equivalent replacement；And these modifications or replacements, various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (10)
1. a kind of 21700 battery core batteries in parallel connection module shells, it is characterised in that：Include single for installing be arranged in parallel 21700
The module casing of body battery core, module casing both sides outer wall are equipped with the first mounting groove for installing cylinder manifold in parallel and the
Two mounting grooves；Multiple inserting grooves for 21700 single battery cores of corresponding inserting are laid on the both sides inner wall of the module casing,
It is additionally provided with the electrode for the electrode of 21700 single battery cores to be pierced by the two side of the module casing and installs through-hole, each institute
It states electrode and installs through-hole and each inserting groove location one-to-one correspondence.
2. 21700 battery core batteries in parallel connection module shell according to claim 1, it is characterised in that：The module casing
Multiple positioning columns that assembling positioning is carried out for the module casing, the central axis of each positioning column are additionally provided on madial wall
It is set in parallel with the central axis of each inserting groove；The central axis of the positioning column is equipped with cold for being carried out to battery modules
But cooling water conservancy diversion through-hole.
3. 21700 battery core batteries in parallel connection module shell according to claim 2, it is characterised in that：The number of the positioning column
Amount is even number, and each positioning column is symmetrical set relative to the center line of the module casing in the height direction, and symmetrical
In a pair positioning column of setting, the top of one of them positioning column is equipped with inserting notch, another described positioning column
Top be equipped with insertion head.
4. 21700 battery core batteries in parallel connection module shell according to claim 3, it is characterised in that：The module casing two
Multiple thermal vias, the centerline axis parallel of the central axis of each thermal vias and each inserting groove are additionally provided on side wall
Setting, and each thermal vias is in be arranged uniformly at intervals with each inserting groove.
5. 21700 battery core batteries in parallel connection module shell according to claim 4, it is characterised in that：The module casing packet
Two completely identical in structure half shells are included, each half-shell body position, which corresponds to, fastens setting, and passes through locking connector locking；
The inserting groove is equipped on the madial wall of each 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 module shell according to claim 5, it is characterised in that：The half shell includes
Sequentially connected left plate, epipleural, right plate and lower side panel, the left plate, the epipleural, the right plate and described
The fastening structure for fastening two half shells is equipped on the edge of lower side panel.
7. 21700 battery core batteries in parallel connection module shell according to claim 6, it is characterised in that：On the left plate
The fastening structure is clamp, and the fastening structure on the right plate is card slot, the fastening knot on the epipleural
Structure is to fasten plate, and the fastening structure on the lower side panel is to fasten slot.
8. 21700 battery core batteries in parallel connection module shell according to claim 7, it is characterised in that：The locking connector
It is arranged on the fastening plate.
9. 21700 battery core batteries in parallel connection module shell according to claim 8, it is characterised in that：The half shell is in one
Body injection molding.
10. 21700 battery core batteries in parallel connection module shell according to claim 9, it is characterised in that：The half shell uses
Phenoplasts are made.
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Citations (4)
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|---|---|---|---|---|
| JP2012243514A (en) * | 2011-05-18 | 2012-12-10 | Hitachi Vehicle Energy Ltd | Power storage module and manufacturing method thereof |
| 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 |
| CN208835119U (en) * | 2018-06-25 | 2019-05-07 | 北斗航天汽车（北京）有限公司 | A kind of 21700 battery core batteries in parallel connection module shells |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012243514A (en) * | 2011-05-18 | 2012-12-10 | Hitachi Vehicle Energy Ltd | Power storage module and manufacturing method thereof |
| 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 |
| CN208835119U (en) * | 2018-06-25 | 2019-05-07 | 北斗航天汽车（北京）有限公司 | A kind of 21700 battery core batteries in parallel connection module shells |
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Application publication date: 20180918 |