CN108832048A - A kind of 18650 battery core batteries in parallel connection module shells - Google Patents
A kind of 18650 battery core batteries in parallel connection module shells Download PDFInfo
- Publication number
- CN108832048A CN108832048A CN201810658440.4A CN201810658440A CN108832048A CN 108832048 A CN108832048 A CN 108832048A CN 201810658440 A CN201810658440 A CN 201810658440A CN 108832048 A CN108832048 A CN 108832048A
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- Prior art keywords
- battery core
- parallel connection
- positioning column
- connection module
- batteries
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 21
- 210000002421 cell wall Anatomy 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 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
- 230000005611 electricity Effects 0.000 description 2
- 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
- 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
- 238000009434 installation Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000002360 preparation method Methods 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
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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 mould technical group fields, more particularly to a kind of 18650 battery core batteries in parallel connection module shells；Including module casing, module casing two 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 two sides inner wall of the module casing, electrode is additionally provided on the two sidewalls of the module casing and installs through-hole, each electrode installs through-hole and each inserting groove location corresponds；Heat dissipation gap is equipped on the cell wall of each inserting groove.18650 battery core batteries in parallel connection module shell disclosed in this invention, by the way that multiple inserting grooves are arranged in module casing, 18650 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, and structure is simple, manufacturing cost is lower；Simultaneously by setting heat dissipation gap, heat dissipation area is increased, thermal diffusivity is met, improves the use reliability of battery modules.
Description
Technical field
The present invention relates to battery core batteries in parallel connection mould technical group fields, more particularly to a kind of 18650 battery core batteries in parallel connection mould groups
Shell.
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 18650 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 18650 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 18650 new battery core batteries in parallel connection module shells.
Summary of the invention
It is an object of the invention to：A kind of 18650 battery core batteries in parallel connection module shells are provided, it is in parallel to solve 18650 battery cores
While structure, it can satisfy mould group and need with higher-strength and good thermal diffusivity.
The present invention provides following proposals：
A kind of 18650 battery core batteries in parallel connection module shells, including the mould for installing 18650 single battery cores being arranged in parallel
Group shell, module casing two sides outer wall are equipped with the first mounting groove and the second mounting groove for installing cylinder manifold in parallel；
Multiple inserting grooves for 18650 single battery cores of corresponding inserting, the mould group are laid on the two sides inner wall of the module casing
It is additionally provided with the electrode for the electrode of 18650 single battery cores to be pierced by the two sidewalls of shell and installs through-hole, each electrode is worn
It fills through-hole and each inserting groove location corresponds；It is equipped on the cell wall of each inserting groove along the inserting slot length side
To the heat dissipation gap of perforation.
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 cell wall of the inserting groove includes multiple radiating blocks, is arranged between the heat dissipation between each radiating block
Gap, and each radiating block side opposite with 18650 single battery core is arranged in cambered surface, the thermal vias is arranged four
On the central axis of the public radiating block between a inserting groove.
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, multiple positioning for fasten for the half shell positioning are additionally provided on the inner sidewall of the half shell
Column is laid with multiple positioning column reinforcing ribs on the circumferencial direction of each positioning column, and each positioning column reinforcing rib is in length
On direction with the centerline axis parallel of the positioning column.
Preferably, the quantity of the positioning column is even number, and each positioning column is relative to the half shell in short transverse
On center line be symmetrical set, and in symmetrically arranged a pair positioning column, the top of one of them positioning column is set
There is inserting notch, the top of another positioning column is equipped with insertion head, for when two half shells are fastened
Inserting positioning.
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 half shell is in integrated injection molding.
Preferably, the half shell is made of phenoplasts.
The beneficial effect that the present invention generates：
1,18650 battery core batteries in parallel connection module shell disclosed in this invention, including for installing be arranged in parallel 18650
The module casing of single battery core, module casing two sides outer wall be equipped with for install cylinder manifold in parallel the first mounting groove and
Second mounting groove；Multiple insertings for 18650 single battery cores of corresponding inserting are laid on the two sides inner wall of the module casing
Slot, the electrode being additionally provided with for the electrode of 18650 single battery cores to be pierced by the two sidewalls of the module casing install through-hole, respectively
The electrode installs through-hole and each inserting groove location corresponds；It is equipped on the cell wall of each inserting groove and is inserted along described
The heat dissipation gap of tankage length direction perforation；It is multiple for inserting 18650 single battery core by being arranged in module casing
Inserting groove, 18650 single battery cores are fixed in the module casing in a manner of inserting clamping, it is big to can satisfy capacity
High-strength structure required for batteries in parallel connection mould group composed by 18650 single battery cores, and structure is simple, manufacturing cost is lower；
Meanwhile be equipped on the cell wall of each inserting groove along the heat dissipation gap of inserting groove length direction perforation, increase heat dissipation
Area meets thermal diffusivity required for batteries in parallel connection mould group composed by 18650 big single battery cores of capacity, improves battery mould
The use reliability of group；
2, 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；Institute
The cell wall for stating inserting groove includes multiple radiating blocks, and the heat dissipation gap, and each radiating block are arranged between each radiating block
The side opposite with 18650 single battery core is arranged in cambered surface, and the thermal vias is arranged between four inserting grooves
The public radiating block central axis on；The thermal diffusivity of mould group is improved, while promoting battery energy density, is convenient for
The heat dissipation on each 18650 battery core surface, improves the service life of battery modules；
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, multiple positioning columns for fasten for the half shell positioning are additionally provided on the inner sidewall of the half shell, respectively
Multiple positioning column reinforcing ribs are laid on the circumferencial direction of the positioning column, each positioning column reinforcing rib is in the longitudinal direction
With the centerline axis parallel of the positioning column；The quantity of the positioning column is even number, and each positioning column is relative to the half-shell
The center line of body in the height direction is symmetrical set, and in symmetrically arranged a pair positioning column, one of them is described fixed
The top of position column is equipped with inserting notch, and the top of another positioning column is equipped with insertion head, in two half shells
Inserting positioning when being fastened；The half shell includes sequentially connected left plate, epipleural, right side plate and lower side panel, institute
It states and is equipped on the edge of left plate, the epipleural, the right side plate and the lower side panel for by two half shells
The fastening structure fastened；The fastening structure on the left plate is clamp, the fastening knot on the right side plate
Structure is card slot, and the fastening structure on the epipleural is to fasten plate, and the fastening structure on the lower side panel is button
Close slot；The positioning of entire mould group and fastening structure ensure that the quick assembling and integral strength requirement of mould group, further be promoted
The energy of mould group, and structure is simple, it is easy to operate, it is easy to maintain, take 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 half shell of the invention；
Fig. 2 is the structural schematic diagram (main view) of half shell of the invention；
Fig. 3 is the structural schematic diagram (dorsal view) of half shell of the invention；
Fig. 4 is the structural schematic diagram (left view) of half shell of the invention；
Fig. 5 is the structural schematic diagram (right view) of half shell of the invention；
Fig. 6 is the structural schematic diagram (bottom view) of half shell of the invention；
Fig. 7 is the structural schematic diagram (top view) of half shell of the invention；
Fig. 8 is the structural schematic diagram (cross-sectional view, band inserting notch arrangement) of positioning column of the invention；
Fig. 9 is the structural schematic diagram (cross-sectional view, band inserting header structure) 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 Fig. 9, a kind of 18650 battery core batteries in parallel connection module shells, including being arranged in parallel for installing
The module casing 1 of 18650 single battery cores, module casing two sides outer wall are equipped with the first peace for installing cylinder manifold in parallel
Tankage 2 and the second mounting groove 3；It is laid on the two sides inner wall of the module casing multiple for corresponding inserting 18650 monomers electricity
The inserting groove 5 of core, the electrode being additionally provided with for the electrode of 18650 single battery cores to be pierced by the two sidewalls of the module casing are worn
Through-hole 6 is filled, each electrode installs through-hole and each inserting groove location corresponds；It is all provided on the cell wall of each inserting groove
Have along the heat dissipation gap 12 of inserting groove length direction perforation.Multiple thermal vias are additionally provided on the module casing two sidewalls
8, the centerline axis parallel of the central axis of each thermal vias and each inserting groove is arranged, and each thermal vias with
Each inserting groove is in be arranged uniformly at intervals.The cell wall of the inserting groove includes multiple radiating blocks 11, between each radiating block
The heat dissipation gap is set, and each radiating block side opposite with 18650 single battery core is arranged in cambered surface, it is described to dissipate
Heat through-hole is arranged on the central axis of the public radiating block between four inserting grooves.The module casing includes
Two completely identical in structure half shells 7, each half-shell body position is corresponding to fasten setting, and passes through locking connector locking,
The locking connector is card slot clamp locking connector；The inserting groove is equipped on the inner sidewall of each half shell, and
The notch position of each inserting groove is arranged in a one-to-one correspondence.It is additionally provided on the inner sidewall of the half shell multiple for the half-shell
Body fasten the positioning column 13 of positioning, is laid with multiple positioning column reinforcing ribs 14 on the circumferencial direction of each positioning column,
Each positioning column reinforcing rib centerline axis parallel with the positioning column in the longitudinal direction.
The quantity of positioning column described in the present embodiment is even number, and each positioning column is relative to the half shell 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 15, the top of another positioning column is equipped with insertion head 16, for being detained in two half shells
Inserting positioning when conjunction；The central axis of the positioning column is equipped with auxiliary heat dissipation through-hole 9, for by the heat in module casing
Export, the auxiliary heat dissipation through-hole are connected to the inserting notch and the insertion head respectively.The half shell includes successively connecting
Left plate 17, epipleural 18, right side plate 19 and the lower side panel 20 connect, the left plate, the epipleural, the right side plate and institute
State the fastening structure being equipped on the edge of lower side panel for fastening two half shells.Institute on the left plate
Stating fastening structure is clamp 21, and the fastening structure on the right side plate is card slot 22, the fastening on the epipleural
Structure is to fasten plate 23, and the fastening structure on the lower side panel is to fasten slot 24；Use is additionally provided on the epipleural
In the bolt hole 10 of the fixation cylinder manifold, the upper end of the module casing, which is equipped with, is attached positioning for multiple module casings
Connecting groove 4, the connecting groove is arranged on the epipleural, and the bolt hole is arranged in the connecting groove；Institute
Half shell is stated in integrated injection molding, the half shell is made of phenoplasts.
18650 battery core batteries in parallel connection module shell described in the present embodiment, including single for installing be arranged in parallel 18650
The module casing of body battery core, module casing two sides outer wall are equipped with the first mounting groove and for installing cylinder manifold in parallel
Two mounting grooves；Multiple inserting grooves for 18650 single battery cores of corresponding inserting are laid on the two sides inner wall of the module casing,
It is additionally provided with the electrode for the electrode of 18650 single battery cores to be pierced by the two sidewalls 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；It is equipped on the cell wall of each inserting groove along the inserting
The heat dissipation gap of slot length direction perforation；It is multiple for inserting 18650 single battery core by being arranged in module casing
18650 single battery cores are fixed in the module casing by inserting groove in a manner of inserting clamping, and it is big to can satisfy capacity
High-strength structure required for batteries in parallel connection mould group composed by 18650 single battery cores, and structure is simple, manufacturing cost is lower；
Meanwhile be equipped on the cell wall of each inserting groove along the heat dissipation gap of inserting groove length direction perforation, increase heat dissipation
Area meets thermal diffusivity required for batteries in parallel connection mould group composed by 18650 big single battery cores of capacity, improves battery mould
The use reliability of group.
18650 battery core batteries in parallel connection module shell described in the present embodiment is additionally provided on the module casing two sidewalls more
The centerline axis parallel of a thermal vias, the central axis of each thermal vias and each inserting groove is arranged, and each described
Thermal vias is in be arranged uniformly at intervals with each inserting groove；The cell wall of the inserting groove includes multiple radiating blocks, each described scattered
The heat dissipation gap is set between heat block, and each radiating block side opposite with 18650 single battery core is set in cambered surface
It sets, the thermal vias is arranged on the central axis of the public radiating block between four inserting grooves；It improves
The thermal diffusivity of mould group, convenient for the heat dissipation on each 18650 battery core surface, improves battery modules while promoting battery energy density
Service life.
18650 battery core batteries in parallel connection module shell described in the present embodiment passes through setting two completely identical in structure half
Shell forms module casing, and each half-shell body position is corresponding to fasten setting, and by locking connector locking, further mention
The high intensity of structure, and high reliablity.
18650 battery core batteries in parallel connection module shell described in the present embodiment is additionally provided on the inner sidewall of the half shell more
A positioning column for fasten for the half shell positioning, is laid with multiple positioning on the circumferencial direction of each positioning column
Column reinforcing rib, each positioning column reinforcing rib centerline axis parallel with the positioning column in the longitudinal direction；The positioning column
Quantity be even number, each positioning column is symmetrical set relative to the center line of the half shell in the height direction, and right
Claim in a pair positioning column of setting, the top of one of them positioning column is equipped with inserting notch, another described positioning
The top of column is equipped with insertion head, for the inserting positioning when two half shells are fastened；The half shell include according to
Left plate, epipleural, right side plate and the lower side panel of secondary connection, the left plate, the epipleural, the right side plate and it is described under
The fastening structure for fastening two half shells is equipped on the edge of side plate；The button on the left plate
Conjunction structure is clamp, and the fastening structure on the right side plate is card slot, and the fastening structure on the epipleural is button
Plate is closed, the fastening structure on the lower side panel is to fasten slot；The positioning of entire mould group and fastening structure ensure that mould
The quick assembling of group and integral strength requirement, the energy of further Lifting Modules group, and structure is simple, it is easy to operate, it is easy to maintain, it is simultaneous
The economical and reasonability of structure is cared for.
18650 battery core batteries in parallel connection module shell described in the present embodiment, the half shell is in integrated injection molding, described
Half shell is made of phenoplasts, and preferably acrylonitrile-butadiene-styrene copolymer (ABS) or polyphenylene oxide (PPO) is made,
To meet lightweight, and reduce the process costs of production and processing.
18650 battery core batteries in parallel connection module shell disclosed in this invention, with the battery modules of 18650 cylindrical electrical cores 44 simultaneously
For, including half shell 2, the half shell can fasten one complete, closed mould of composition by special designing two-by-two
Group shell.Inserting groove is designed in half shell, can be embedded in battery core, fixed supporting role is played to battery core.Cylinder manifold uses laser
Welding manner welds together confluence copper bar and contact nickel sheet.Its assembling process is：First by 18650 single battery cores according to phase
It is placed in the half shell of side with electrode direction, half shell described in the other side is then buckled in this according to 180 ° of overturning of form
It in the half shell of side, is combined together by the buckle in half shell, forms a complete module casing；Finally two are converged
Flowing plate is individually positioned in the groove of half shell two sides, makes to contact nickel sheet and battery core contact electrode, utilizes professional welding machine later,
By nickel sheet together with battery core electrode welding, the assembly of entire battery modules is completed.
18650 battery core batteries in parallel connection module shell disclosed in this invention, be equipped with inside the half shell inserting groove to
Fix 18650 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 column on the inside of the half shell, one of end is equipped with insertion head, other side
End is equipped with inserting notch, when assembling two-by-two, when one of half shell overturns 180 °, on the positioning column of two half shells
Insertion head and inserting notch can be fastened mutually.Four cycle side plate edges of half shell are designed using same thought, are adopted inside half
It is designed with convex, 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 the outer ring of body can be fastened mutually.In the outside of the half shell, using same design, guarantee forming
It after mould preparation group, can also cooperate between mould group and mould group, improve the convenience of assembly.18650 electricity disclosed in this invention
18650 cylindrical electrical cores can be connected in parallel by core batteries in parallel connection module shell by structure, the energy of Lifting Modules group, and
Structure is simple, easy to operate, 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 18650 battery core batteries in parallel connection module shells, it is characterised in that：Including single for installing be arranged in parallel 18650
The module casing of body battery core, module casing two sides outer wall are equipped with the first mounting groove and for installing cylinder manifold in parallel
Two mounting grooves；Multiple inserting grooves for 18650 single battery cores of corresponding inserting are laid on the two sides inner wall of the module casing,
It is additionally provided with the electrode for the electrode of 18650 single battery cores to be pierced by the two sidewalls 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；It is equipped on the cell wall of each inserting groove along the inserting
The heat dissipation gap of slot length direction perforation.
2. 18650 battery core batteries in parallel connection module shell according to claim 1, 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.
3. 18650 battery core batteries in parallel connection module shell according to claim 2, it is characterised in that：The slot of the inserting groove
Wall includes multiple radiating blocks, and the heat dissipation gap, and each radiating block and 18650 list are arranged between each radiating block
The opposite side of body battery core is arranged in cambered surface, and what the thermal vias was arranged between four inserting grooves public described dissipates
On the central axis of heat block.
4. 18650 battery core batteries in parallel connection module shell according to claim 3, it is characterised in that：The module casing packet
Two completely identical in structure half shells are included, each half-shell body position is corresponding to fasten setting, and passes through locking connector locking；
The inserting groove is equipped on the inner sidewall of each half shell, and the notch position of each inserting groove is arranged in a one-to-one correspondence.
5. 18650 battery core batteries in parallel connection module shell according to claim 4, it is characterised in that：The half shell it is interior
Multiple positioning columns for fasten for the half shell positioning are additionally provided on side wall, on the circumferencial direction of each positioning column
Multiple positioning column reinforcing ribs are laid with, each positioning column reinforcing rib is flat with the central axis of the positioning column in the longitudinal direction
Row.
6. 18650 battery core batteries in parallel connection module shell according to claim 5, 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 half shell in the height direction, and is symmetrically set
In a pair positioning column set, the top of one of them positioning column is equipped with inserting notch, another positioning column
Top is equipped with insertion head, for the inserting positioning when two half shells are fastened.
7. 18650 battery core batteries in parallel connection module shell according to claim 6, it is characterised in that：The half shell includes
Sequentially connected left plate, epipleural, right side plate and lower side panel, the left plate, the epipleural, the right side plate and described
The fastening structure for fastening two half shells is equipped on the edge of lower side panel.
8. 18650 battery core batteries in parallel connection module shell according to claim 7, it is characterised in that：On the left plate
The fastening structure is clamp, and the fastening structure on the right side 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.
9. 18650 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. 18650 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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| CN201810658440.4A CN108832048A (en) | 2018-06-25 | 2018-06-25 | A kind of 18650 battery core batteries in parallel connection module shells |
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| CN201810658440.4A CN108832048A (en) | 2018-06-25 | 2018-06-25 | A kind of 18650 battery core batteries in parallel connection module shells |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997099A (en) * | 2009-08-12 | 2011-03-30 | 三星Sdi株式会社 | Battery pack with improved heat dissipation efficiency |
| CN206471410U (en) * | 2017-01-13 | 2017-09-05 | 十堰市沃特玛电池有限公司 | A kind of battery modules |
| CN209434236U (en) * | 2018-06-25 | 2019-09-24 | 北斗航天汽车（北京）有限公司 | A kind of 18650 battery core batteries in parallel connection module shells |
-
2018
- 2018-06-25 CN CN201810658440.4A patent/CN108832048A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997099A (en) * | 2009-08-12 | 2011-03-30 | 三星Sdi株式会社 | Battery pack with improved heat dissipation efficiency |
| CN206471410U (en) * | 2017-01-13 | 2017-09-05 | 十堰市沃特玛电池有限公司 | A kind of battery modules |
| CN209434236U (en) * | 2018-06-25 | 2019-09-24 | 北斗航天汽车（北京）有限公司 | A kind of 18650 battery core batteries in parallel connection module shells |
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