CN110289379A - A kind of soft-package battery mould group and its manufacturing method - Google Patents
A kind of soft-package battery mould group and its manufacturing method Download PDFInfo
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- CN110289379A CN110289379A CN201910491003.2A CN201910491003A CN110289379A CN 110289379 A CN110289379 A CN 110289379A CN 201910491003 A CN201910491003 A CN 201910491003A CN 110289379 A CN110289379 A CN 110289379A
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- busbar connector
- package battery
- battery module
- pack cell
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 63
- 239000004033 plastic Substances 0.000 claims abstract description 63
- 238000005452 bending Methods 0.000 claims description 30
- 238000006073 displacement reaction Methods 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 20
- 239000006260 foam Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 98
- 238000010586 diagram Methods 0.000 description 9
- 238000004026 adhesive bonding Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
- 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
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
Present invention discloses a kind of soft-package battery mould group and its manufacturing methods, battery modules include soft package battery module, thermally conductive sheet and forward and backward busbar connector assembly, each soft package battery module stacks connection and forms a soft package battery module entirety, forward and backward busbar connector assembly is connected to the rear and front end of soft package battery module entirety, and the busbar connector on forward and backward busbar connector assembly is in contact with the tab of corresponding soft pack cell, soft package battery module entirety bottom surface forms a radiating surface, and radiating surface is in contact with thermally conductive sheet.It is convenient for forming each battery module into a soft package battery module entirety series-parallel, the strong applicability, it can be achieved that different demands using the present invention；It is equipped with thermally conductive sheet in battery module entirety bottom, there is good heating conduction；Burying forming technique is used between thermally conductive frame and plastic part and between soft pack cell module entirety and busbar connector assembly, improves thermally conductive frame and plastic part is formed by sub-assembly intensity, there is better homogeneity of product.
Description
Technical field
The present embodiments relate to electric car accessory technical field more particularly to a kind of soft-package battery mould group and its manufactures
Method.
Background technique
Soft pack cell refers to that shell is the lithium battery of flexible packing material (being often aluminum-plastic composite membrane), has small in size, weight
Gently, a variety of advantages such as high, highly-safe, flexible design of specific energy.Soft pack cell uses laminated aluminum film in structure, and battery is just
Cathode also uses battery tab structure, different from usual plastic housing and metal housing battery.Since soft pack cell body is soft, it is not easy solid
It is fixed, and situations such as scratch, pit, crease easily occur, thus multiple soft pack cells are fixed to each other and by multiple Soft Rolls
It is more intractable problem that power battery, which connects form soft-package battery mould group in series and parallel, and soft pack cell due to shape issue simultaneously
It is easy unlike column battery and busbar connector welding, how soft pack cell and busbar connector to be welded and anxious to be resolved be asked
Topic.
Summary of the invention
The purpose of the embodiment of the present invention is, provides a kind of soft-package battery mould group and its manufacturing method, solves Soft Roll electricity
The problem that core module group assembling is difficult, bindiny mechanism is not sufficiently stable and thermal diffusivity is bad.
The embodiment of the invention provides a kind of soft-package battery mould group, including soft package battery module, thermally conductive sheet, preceding busbar connector are total
At with rear busbar connector assembly, it includes soft pack cell in the soft package battery module that the soft package battery module, which is equipped with multiple, described
Each soft package battery module stacks connection and forms a soft package battery module entirety, the Soft Roll in each soft package battery module
Former and later two tabs of battery core are arranged in the front and rear sides of soft package battery module entirety in lattice-shaped respectively, and the preceding busbar connector is total
At the rear and front end for being connected to soft package battery module entirety with rear busbar connector assembly, and the preceding busbar connector assembly converges with rear
Stream row's assembly is respectively formed on the busbar connector of lattice-shaped arrangement, soft pack cell pole in the busbar connector and each soft package battery module
Ear is corresponding, and the busbar connector is in contact with the tab of corresponding soft pack cell, soft package battery module entirety bottom surface shape
At a radiating surface, the thermally conductive sheet is fixedly connected on the bottom of soft package battery module entirety, and thermally conductive sheet and the radiating surface phase
Contact.
Further, above-mentioned soft-package battery mould group, in which: the soft package battery module further includes soft pack cell carrier, institute
Stating soft pack cell carrier includes thermally conductive frame and plastic part, and there are two the plastic part is set, two plastic parts are connected to thermally conductive
The front and back edge of frame, the soft pack cell is placed in the soft pack cell carrier, and opening is formed on the plastic part, soft
Two tabs of packet battery core are corresponding with the aperture position of two plastic parts respectively, are formed on the plastic part equipped with pin
Body and pin hole, and the shank and pin hole size match；Each edge-on stacking connection of soft package battery module forms the battery
Module is whole, is connected by shank with pin hole between adjacent soft package battery module, so that each soft package battery module is mutually fixed
Position connection, and the left side wall of the thermally conductive frame of soft package battery module or the wherein side side wall in right side wall is made to be in bottom, it is described
The side wall that each soft package battery module is in bottom is mutually spliced to form the radiating surface.
Further, above-mentioned soft-package battery mould group, in which: the soft pack cell be equipped with it is multiple, each soft pack cell is layer-by-layer
It is placed in the soft pack cell carrier, the immediate soft pack cell position innermost layer Soft Roll of thermally conductive frame with the soft pack cell carrier
Battery core, with the thermally conductive frame of soft pack cell carrier farthest away from soft pack cell be outermost layer soft pack cell, the innermost layer Soft Roll electricity
Core and the thermally conductive frame are bonding, between two pieces of adjacent soft pack cells, two tabs of one of soft pack cell respectively with
Between the corresponding and adjacent soft pack cell in two tab positions of another soft pack cell be equipped with foam, the foam with
Two neighboring soft pack cell is bonding.
Further, above-mentioned soft-package battery mould group, in which: the tab of the soft pack cell is in bending, and the confluence
The bending part of row and tab forms a cavity, and the busbar connector on the preceding busbar connector assembly and rear busbar connector assembly is interspersed in
In the cavity, the bending part split-phase of the busbar connector and tab is welded.
Further, above-mentioned soft-package battery mould group, in which: the thermally conductive frame front and rear side is along burying forming in two plastics
In part.
Further, above-mentioned soft-package battery mould group, in which: the preceding busbar connector assembly and rear busbar connector assembly include
Bracket and busbar connector, are formed with busbar connector supporting element on the bracket, busbar connector supporting element structure in a strip shape and in bracket
Upper to arrange in lattice-shaped, the upper and lower ends of the busbar connector supporting element are formed with busbar connector embedded groove, and the busbar connector is supported in
On two busbar connector supporting elements, and the lower edges burying forming of busbar connector is in busbar connector embedded groove.
Further, above-mentioned soft-package battery mould group, in which: the busbar connector on the preceding busbar connector assembly is in rectangle frame knot
Two vertical edge of left and right of structure, busbar connector is respectively supported on two busbar connector supporting elements, the horizontal edge up and down of busbar connector and vertical edge
Edge portions burying forming is in busbar connector embedded groove.
Still further, above-mentioned soft-package battery mould group, in which: on the preceding busbar connector assembly and rear busbar connector assembly
Equipped with pcb board, the busbar connector is connected by conducting connecting part with pcb board, and wire plug connection mouth is equipped on pcb board, separately
Equipped with a winding displacement, winding displacement both ends are separately connected the winding displacement on the wire plug connection mouth and rear busbar connector assembly of preceding busbar connector assembly and insert
Interface, and signal output is additionally provided on the pcb board of the preceding busbar connector assembly or rear busbar connector assembly, each Soft Roll electricity
Pond module, winding displacement, busbar connector and signal output are connected in the detection circuit on pcb board.
Still further, above-mentioned soft-package battery mould group, in which: be additionally provided with insulating part and upper cover, the insulating part and upper cover
It include top surface and left and right side, the insulating part is socketed on the periphery of soft package battery module entirety, and the upper cover is socketed on absolutely
Edge part periphery, the winding displacement is between upper cover top surface and insulating part top surface.
The invention also discloses a kind of manufacturing methods of soft-package battery mould group, comprising the following steps: (1) manufactures soft-package battery
Module die；(2) corresponding position being placed in thermally conductive frame in soft package battery module mold；(3) by injection molding process in mould
Plastic part is manufactured in having, plastic part and thermally conductive frame are integrally formed, so that it is electric to form Soft Roll in plastic part for thermally conductive frame burying forming
Core carrier；(4) soft pack cell is successively placed in soft pack cell carrier, forms soft package battery module；(5) by each soft-package battery mould
Block is connected, and it is whole to form soft package battery module；(6) preceding busbar connector assembly and rear busbar connector assembly mold are manufactured, (7) will converge
Row is respectively placed in corresponding position in preceding busbar connector assembly mold and rear busbar connector assembly mold；(8) pass through injection molding process
Conductor rail support is formed in mold, conductor rail support and busbar connector are integrally formed, so that busbar connector burying forming is in busbar connector
In bracket, preceding busbar connector assembly and rear busbar connector assembly are formed；(9) preceding busbar connector assembly and rear busbar connector assembly are fixed respectively
It is connected to the rear and front end of soft package battery module entirety, (10) make the lug bending of the soft pack cell of each soft package battery module
Lug bending part is coated on busbar connector periphery, and by the bending part of the tab of each soft pack cell and corresponding busbar connector
Mutually weld；(11) thermally conductive sheet is installed in soft package battery module entirety bottom surface, alternatively, the step (11) can also be in step (5)
Implement between step (6).
Substantive distinguishing features of the invention and significant technological progress are embodied in: (1) can be by each Soft Roll electricity using the present invention
Connection is plugged and fixed by shank and pin hole between the module of pond, it is easy to operate, convenient for one soft package battery module entirety of composition, lead to
It crosses and increases the modes of several soft package battery modules and can realize the series-parallel of different demands, strong applicability；(2) present invention will be thermally conductive
Major part of the frame as soft pack cell carrier, and it is equipped with thermally conductive sheet in battery module entirety bottom, have thermally conductive well
Performance；(3) thermally conductive frame is improved compared to more traditional hot riveting technique using burying forming technique between thermally conductive frame and plastic part
It is formed by sub-assembly intensity with plastic part, there is better homogeneity of product；(4) foam is equipped between adjacent soft pack cell,
It is expanded for buffering battery core in battery core thickness accumulated tolerance itself and practical charge and discharge process；(5) preceding busbar connector in the present invention
Assembly and rear busbar connector assembly also use burying forming technique, and conductive busbar connector is embedded to plastic cement by burying forming technique
In part conductor rail support, busbar connector face of weld, the whole intensity of raising are only reserved；(6) each soft in soft package battery module
Packet cell polar ear is in bending and forms a cavity, and busbar connector is interspersed in cavity and welds with bending part, ensure that soft
Packet battery module integrally connect with busbar connector assembly and is not readily separated；(7) invention further reduces the sampling of traditional harness, preceding confluences
The signal of sampling is uniformly pooled to signal output by winding displacement and drawn by row's assembly, rear busbar connector assembly, so that product safety
Property further enhances.
Detailed description of the invention
Fig. 1 is soft-package battery modular structure schematic diagram；
Fig. 2 is preceding busbar connector assembly structure schematic diagram；
Fig. 3 is preceding busbar connector assembly assembling schematic diagram；
Fig. 4 is soft package battery module structural schematic diagram；
Fig. 5 is soft package battery module overall structure diagram；
Fig. 6 is soft package battery module entirety another embodiment overall structure diagram；
Fig. 7 is soft package battery module carrier structure schematic diagram；
Fig. 8 is thermally conductive mount structure schematic diagram；
Fig. 9 is plastic piece structure schematic diagram.
Description of symbols: 1-upper cover, 2-front end-plates, 3-end plates, 4-thermally conductive frames, 41-joint faces, 42-modelings
Materials and parts fixation hole, 43-location holes, 5-plastic parts, 51-shanks, 52-pin holes, 53-bending parts, 54-plastic part bottoms,
541-buckles, 542-through-holes, 55-openings, 6-conductive covers, 61-conductive cover plastic parts, 7-preceding busbar connector assemblies, 71-
Bracket, 711-PCB fixing grooves, 712-busbar connector supporting elements, 713-busbar connector fixation holes, 714-busbar connector embedded grooves,
72-busbar connectors, 721-busbar connector fixed parts, 73-pcb boards, 74-wire plug connection mouths, 75-signal outputs, 76-is conductive
Connector, 8-rear busbar connector assemblies, 9-preceding protecting covers, 10-rear protecting covers, 11-soft pack cells, 111-tabs, 12-foams,
13-insulating trips, 14-thermally conductive sheets, 15-FFC winding displacements.
Specific embodiment
The exemplary embodiment of the present invention is described in detail embodiment with reference to the accompanying drawing.In the description of the present application, need
Illustrate, the orientation of the instructions such as term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" or
Positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put or
Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, art
Language " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
As shown in Figure 1, soft-package battery mould group of the present invention includes soft package battery module, thermally conductive sheet 14, preceding 7 and of busbar connector assembly
Busbar connector assembly 8 afterwards, soft package battery module be equipped with it is multiple, the soft package battery module is built-in with soft pack cell 11, described each
Soft package battery module is edge-on and stacks connection one soft package battery module entirety of formation, soft in each soft package battery module
Former and later two tabs 111 of packet battery core 11 are arranged in the front and rear sides of soft package battery module entirety in lattice-shaped respectively, before described
Busbar connector assembly 7 and rear busbar connector assembly 8 are connected to the rear and front end of soft package battery module entirety, and the preceding busbar connector
Assembly 7 and rear busbar connector assembly 8 are respectively formed on the busbar connector of lattice-shaped arrangement, the busbar connector and each soft package battery module
Interior 11 tab of soft pack cell is corresponding, and the busbar connector 72 is in contact with the tab 111 of corresponding soft pack cell 11, described soft
Packet battery module entirety bottom surface forms a radiating surface, and the thermally conductive sheet 14 is fixedly connected on the bottom of soft package battery module entirety,
And thermally conductive sheet 14 is in contact with the radiating surface.
As shown in Fig. 4, Fig. 5, Fig. 7, Fig. 8 and Fig. 9, soft package battery module includes soft pack cell carrier, 11 and of soft pack cell
Foam 12, the soft pack cell carrier include thermally conductive frame 4 and plastic part 5, it is preferable that thermally conductive frame 1 is made of aluminum material.It leads
Hot frame 4 includes bottom surface and left and right sidewall, and along being folded upward to form the left and right sidewall, the plastic part 5 is set the left and right side of bottom surface
There are two, two plastic parts 5 are connected to the front and back edge of thermally conductive frame 4, and the plastic part 5 and the connection of thermally conductive frame 4 are formed
The soft pack cell carrier, the soft pack cell 11 are placed in the soft pack cell carrier, and are formed with out on the plastic part 5
Mouth 57, two tabs 111 of soft pack cell 11 are corresponding with 57 position of opening of two plastic parts 5 respectively.Plastic part 5
Top and bottom are respectively equipped with shank 51 and pin hole 52, and the shank 51 and 52 size of pin hole match.
Preferably, as shown in Figure 4 and Figure 5, plastic part 5 and the connection of thermally conductive frame 4 are formed by soft pack cell carrier and are built-in with
Two pieces of soft pack cells 11, two pieces of soft pack cells 11, which successively stack, to be placed in soft pack cell carrier, with the immediate Soft Roll of thermally conductive frame 4
The wherein one side of battery core 11 is bonding with thermally conductive frame underrun gluing mode, the another side of the soft pack cell 11 and foam 12 its
Middle one side is bonding by gluing mode, and the wherein one side of the another side of foam 12 and another soft pack cell 11 passes through gluing side
Formula is bonding, and between two pieces of soft pack cells 11, two tabs 111 of one of soft pack cell 11 are electric with another Soft Roll respectively
Two 111 positions of tab of core 11 are corresponding.12 main function of foam be for buffer battery core thickness accumulated tolerance itself and
Soft pack cell 11 expands in practical charge and discharge process.
What needs to be explained here is that it is only preferred embodiment that two pieces of soft pack cells 11 are put in accommodating in above scheme, it can root
One or more soft pack cells 11 are placed according to actual needs, if a soft pack cell 11 is only placed, directly by the soft pack cell 11
It is directly bonded with thermally conductive frame 4, if placing multiple soft pack cells 11, each piece of soft pack cell 11 is successively stacked in soft pack cell
In carrier, definition with the immediate soft pack cell 11 of thermally conductive frame 4 be innermost layer soft pack cell 11, with thermally conductive frame 4 farthest away from it is soft
Packet battery core 11 be outermost layer soft pack cell 11, innermost layer soft pack cell 11 wherein one side and thermally conductive frame underrun gluing mode phase
It bonds, foam 12 is equipped between adjacent soft pack cell 11, and foam 12 and two pieces of adjacent soft pack cells 11 pass through gluing side
Formula is bonding.
Due in actual use, having different requirements to soft package battery module output voltage and electric current, can according to the actual situation,
The soft pack cell 11 of different numbers is set in soft pack cell carrier, corresponding ground voltage can then be formed by serial or parallel connection combination
With the soft package battery module of electric current output, adjacent soft pack cell 11 is arranged in the same direction according to electrode, so that 11 homopolarity of soft pack cell
Tab 111 is connected with each other, then two soft pack cells 11 are in parallel；Adjacent soft pack cell 11 is oppositely arranged according to electrode, so that two
The tab 111 of the not homopolarity of block soft pack cell 11 is connected with each other, then two pieces of soft pack cells 11 are connected.Adjust each soft package battery module
Direction and soft package battery module is connected with corresponding busbar connector, string between each soft package battery module can be realized simultaneously
Connection.
In the soft package battery module entirety, each soft package battery module is edge-on, between adjacent soft package battery module,
In the shank 51 of a soft package battery module be inserted into the pin hole 52 of another soft package battery module, one of soft package battery module
The surface of interior outermost layer soft pack cell 3 and the 4 underrun gluing mode of thermally conductive frame of another soft package battery module are bonding,
So that two soft package battery modules are fixedly connected, and make the left side wall of the thermally conductive frame 4 of soft package battery module or its in right side wall
Middle side side wall is in bottom, and the side wall that each soft package battery module is in bottom is mutually spliced to form the radiating surface.
As shown in Fig. 1, Fig. 4 and Fig. 6, by each soft package battery module it is edge-on and connect formed soft package battery module entirety,
In each connected soft package battery module, it will be exposed to positioned at the outermost soft pack cell of the soft pack cell module of the rightmost side outer
Boundary, certainly according to the difference of the edge-on direction of each soft package battery module it could also be possible that being located in soft package battery module entirety most left
The outermost soft pack cell 3 of the soft pack cell module of side is exposed to the external world.Have to guarantee soft package battery module integrally compared with
Good thermal diffusivity and stable connection, soft package battery module integrally further includes a capping, and capping includes that conductive cover 6 and two are thermally conductive
Lid plastic part 61, conductive cover plastic part 61 are connected to the front and rear side edge of conductive cover 6, the capping 6 and each soft package battery module
Middle outermost layer soft pack cell 3 is exposed to that extraneous soft package battery module and is connected, the Soft Roll electricity of the soft package battery module
The plastic part 5 of core carrier with capping 6 thermally conductive 61 pin shaft of plastic part connect so that conductive cover 6 be covered in be attached thereto it is soft
11 outside of soft pack cell of packet battery module, and conductive cover 6 and the outermost soft pack cell 11 of the soft package battery module are by beating
Glue mode is bonding.
The thermally conductive sheet 14 includes bottom surface and left and right sidewall, and the left and right side edge of the bottom surface of thermally conductive sheet 14 is folded upward to form institute
Left and right sidewall is stated, the bottom surface of the thermally conductive sheet 14 is in contact with radiating surface, and the left and right sidewall of thermally conductive sheet 14 is connected in soft-package battery
The left and right sides of module entirety.Self heat is transferred to the soft pack cell module where itself by soft pack cell 11 in above structure
The bottom surface of the thermally conductive frame 4 of the bottom surface of thermally conductive frame 4 and adjacent soft pack cell module, each thermally conductive frame bottom surface heat transfer is to thermally conductive
The side wall of frame 4 is formed by radiating surface, is formed by radiating surface and is in contact with 14 bottom surface of thermally conductive sheet, and the left and right sides of thermally conductive sheet 14
Wall is in contact with thermally conductive frame bottom surface and conductive cover 6 respectively, so that the heat transfer of soft pack cell 11 is to thermally conductive sheet 14.On
It states battery modules to be put into new energy car battery packet, corresponding heat dissipation can be equipped with corresponding to the position of thermally conductive sheet 14 in battery pack
Piece, the purpose of this thermally conductive sheet 14 are gap of the fill mould group between cooling fin, air thermal resistance are reduced, convenient for dissipating heat
Out.
As shown in Figure 7 to 9, thermally conductive frame 1 includes bottom surface and left and right sidewall, and the left and right side edge of bottom surface is folded upward to form institute
Left and right sidewall is stated, plastic part 5 includes plastic part bottom 54 and two bending members 53, and two bending members 53 are located at plastic part bottom
The left and right ends in portion 54, shank 21 are located at the top of bending member 53, and pin hole 22 is located at the bottom surface of plastic part bottom 54 and is located at pin
Immediately below body 21.Left and right bending member 53, which is oppositely arranged at the outer edge of plastic part bottom 54, forms opening 57, the thermally conductive frame 4
Front and rear side along burying forming in plastic part 5, specifically, in thermally conductive 4 bottom surface edge burying forming plastic part bottom 54 of frame, lead
Hot 4 left and right sidewall burying forming of frame is in bending member 53.In order to guarantee that thermally conductive frame 4 and plastic part 5 connect more firm, thermally conductive frame
The front and rear side of 4 bottom surfaces is in the joint face 41 of bending, plastic part fixation hole 42 is formed on the joint face 41, and thermally conductive frame 4 is left
The edge of right side wall also is provided with plastic part fixation hole 42, is formed with and is interspersed in inside the plastic part bottom 54 and bending member 53
42 interconnecting piece in plastic part fixation hole.In addition, 41 edge of joint face is equipped with location hole 43, and the corresponding positioning of the plastic part 5
The position in hole 43 is equipped with through-hole 542.
As shown in Fig. 2, Fig. 3 and Fig. 9, preceding busbar connector assembly 7 and rear busbar connector assembly 8 include bracket 71, busbar connector 72
Buckle 541, the left and right sides edge of bracket 71 and 541 phase cards of the buckle are equipped with the bottom surface of pcb board 73, plastic part bottom 54
It connects, so that preceding busbar connector assembly 7 and rear busbar connector assembly 8 are fixedly connected on the rear and front end of battery module entirety.Soft-package battery
In module the tab 111 of each soft pack cell 11 be in bending, and in soft package battery module each soft pack cell 11 tab 111
Bending part is in contact, and forms a cavity, and each busbar connector 72 is interspersed in corresponding each soft package battery module
11 tab 111 of soft pack cell be formed by cavity, and each busbar connector 72 and corresponding each soft package battery module
In 11 tab 111 of soft pack cell bending part split-phase welding.The busbar connector 72 and pcb board 73 are fixedly connected in bracket 71
On, specifically, busbar connector supporting element 712, the busbar connector supporting element 712 structure in a strip shape, the remittance are formed on bracket 71
Stream row's supporting element 712 is equipped with multiple and arranges on bracket 71 in lattice-shaped.The upper and lower ends of busbar connector supporting element 712 are formed with
Busbar connector embedded groove 714.Busbar connector 72 is in rectangular frame structure, and two vertical edge of left and right of busbar connector 72 is respectively supported at two busbar connectors
On supporting element 712, the horizontal edge up and down of busbar connector 72 and the edge portions burying forming of vertical edge are in busbar connector embedded groove 714.
Busbar connector fixation hole 713 is formed between adjacent busbar connector supporting element 712, horizontal edge is formed with busbar connector and fixes on busbar connector 72
Portion, the busbar connector fixation hole 713 are fixedly connected with busbar connector fixed part.
71 upper edge of bracket is equipped with pcb board fixing groove 711, and the pcb board 73 is connected in pcb board fixing groove 711, converges
Row 72 is connected by conducting connecting part 76 with pcb board 73, and wire plug connection mouth 74 is equipped on pcb board 73, is additionally provided with a row
Line 15, the winding displacement that 15 both ends of winding displacement are separately connected on the wire plug connection mouth 74 and rear busbar connector assembly 8 of preceding busbar connector assembly 7 are inserted
Interface, and signal output 75 is additionally provided on the pcb board of preceding busbar connector assembly 7, signal output 75 is used to export the inspection of winding displacement
Survey signal.Certainly signal output can also be set on the pcb board of rear busbar connector assembly 8.Each soft package battery module,
Winding displacement 15, busbar connector 72 and signal output are connected in the detection circuit on pcb board, for detecting each busbar connector 72
Output voltage and electric current are monitored convenient for the working condition to entire battery modules.Voltage and current used is detected as often
Circuit is advised, belongs to the prior art, circuit connection is not done excessively repeat here.Reduced using above-mentioned detection method traditional
Harness sampling, preceding busbar connector is total 7, the signal of sampling by 8 winding displacements 15 is uniformly pooled to signal output by rear busbar connector assembly 8
75 draw, so that Product Safety further enhances.
It is additionally provided with an insulating part 13 and upper cover 1 as shown in Figure 1, insulating part 13 and upper cover 1 include top surface and left and right side.
Insulating part 13 is socketed on the periphery of soft package battery module entirety, and the top surface of insulating part 13 is placed on the top of soft package battery module entirety
Face, the left and right side of insulating part 13 is placed on the left and right side of soft package battery module entirety, and winding displacement 15 is located at 13 top surface of insulating part,
The upper cover 1 is socketed on 13 periphery of insulating part, and the top surface of upper cover 1 is placed on the top surface of insulating part 13, and the left and right side of upper cover 1 is placed on
The left and right side of insulating part 13, and winding displacement 15 is located between 13 top surface of 1 top surface of upper cover and insulating part, setting upper cover 1 also has one
Fixed heat-conducting effect.Preferably, the present invention is additionally provided with front end-plate 2, end plate 3, preceding protecting cover 9 and rear protecting cover 10, and preceding protecting cover 9 is with after
Protecting cover 10 is respectively fixedly connected in the outside of preceding busbar connector assembly 7 and rear busbar connector assembly 8, and the front end-plate 2 and end plate 3 divide
It is not connected to 10 outside of preceding protecting cover 9 and rear protecting cover.
The manufacturing method of battery modules of the invention is as follows: (1) manufacturing soft package battery module mold；(2) thermally conductive frame 4 is set
Corresponding position in soft package battery module mold；(3) plastic part 5, plastic part 5 are manufactured in mold by injection molding process
It is integrally formed with thermally conductive frame 4, so that forming soft pack cell carrier in 4 burying forming plastic part 5 of thermally conductive frame；(4) by soft pack cell
11 are placed in soft pack cell carrier, form soft package battery module；(5) each soft package battery module is connected, forms soft-package battery
Module is whole；(6) preceding busbar connector assembly and rear busbar connector assembly mold are manufactured, busbar connector is total before busbar connector is respectively placed in by (7)
At corresponding position in mold and rear busbar connector assembly mold；(8) busbar connector branch is formed in mold by injection molding process
Frame 71, conductor rail support 71 and busbar connector 72 are integrally formed, so that in 72 burying forming conductor rail support 71 of busbar connector, before formation
Busbar connector assembly 7 and rear busbar connector assembly 8；(9) preceding busbar connector assembly 7 and rear busbar connector assembly 8 are respectively fixedly connected in soft
The rear and front end of packet battery module entirety, (10) by the lug bending of the soft pack cell of each soft package battery module so that tab
111 bending parts are coated on 72 periphery of busbar connector, and by the bending part of the tab 111 of each soft pack cell 11 and corresponding remittance
Stream row mutually welds；(11) thermally conductive sheet 14 is installed in soft package battery module entirety bottom surface.Above-mentioned steps (11) can also be in step (5)
Implement between step (6).
By above description as can be seen that shank 21 and pin can will be passed through between each soft package battery module using the present invention
Connection is plugged and fixed in hole 22, easy to operate, convenient for one soft package battery module entirety of composition, by increasing several soft-package batteries
The mode of module can realize the series-parallel of different demands, strong applicability；Also, the present invention carries thermally conductive frame 4 as soft pack cell
The major part of body, and it is equipped with thermally conductive sheet 14 in battery module entirety bottom, there is good heating conduction, thermally conductive 4 He of frame
The technique that burying forming is used between plastic part 5 improves thermally conductive frame 4 and 5 shapes of plastic part compared to more traditional hot riveting technique
At sub-assembly intensity, have better homogeneity of product；Also, foam is equipped between adjacent soft pack cell 11, for buffering
Battery core expands in battery core thickness accumulated tolerance itself and practical charge and discharge process；Also, in the present invention preceding busbar connector assembly and
Busbar connector assembly also uses burying forming technique afterwards, and conductive busbar connector is embedded to plastic parts by the technique of burying forming and is converged
In stream row's bracket, busbar connector face of weld is only reserved, the whole intensity of raising, each soft pack cell pole in soft package battery module
Ear is in bending and forms a cavity, and busbar connector is interspersed in cavity and welds with bending part, ensure that soft-package battery mould
Block integrally connect with busbar connector assembly and is not readily separated；In addition, invention further reduces the sampling of traditional harness, preceding busbar connector assembly
7, the signal of sampling is uniformly pooled to signal output by winding displacement 15 and drawn by rear busbar connector assembly 8, so that Product Safety
Further enhancing.
Certainly, above is representative instance of the invention, and in addition to this, the present invention can also have other a variety of specific implementations
Mode, all technical solutions formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.
Claims (10)
1. a kind of soft-package battery mould group, it is characterised in that: including soft package battery module, thermally conductive sheet, preceding busbar connector assembly and rear remittance
Stream row's assembly, the soft package battery module are equipped with multiple, include soft pack cell, each Soft Roll in the soft package battery module
Battery module, which stacks to connect, forms a soft package battery module entirety, before the soft pack cell in each soft package battery module
Latter two tab is arranged in the front and rear sides of soft package battery module entirety in lattice-shaped respectively, the preceding busbar connector assembly and rear remittance
Stream row's assembly is connected to the rear and front end of soft package battery module entirety, and the preceding busbar connector assembly and rear busbar connector assembly
It is respectively formed on the busbar connector of lattice-shaped arrangement, the busbar connector is opposite with soft pack cell tab in each soft package battery module
It answers, and the busbar connector is in contact with the tab of corresponding soft pack cell, soft package battery module entirety bottom surface forms one and dissipates
Hot face, the thermally conductive sheet is fixedly connected on the bottom of soft package battery module entirety, and thermally conductive sheet is in contact with the radiating surface.
2. soft-package battery mould group according to claim 1, it is characterised in that: the soft package battery module further includes Soft Roll electricity
Core carrier, the soft pack cell carrier include thermally conductive frame and plastic part, and there are two the plastic part is set, two plastic parts connect respectively
It is connected to the front and back edge of thermally conductive frame, the soft pack cell is placed in the soft pack cell carrier, and is formed on the plastic part
There is opening, two tabs of soft pack cell are corresponding with the aperture position of two plastic parts respectively, shape on the plastic part
It is equipped with shank and pin hole at having, and the shank and pin hole size match；Each edge-on stacking connection group of soft package battery module
It is whole at the battery module, it is connected by shank with pin hole between adjacent soft package battery module, so that each soft-package battery
Module is mutually located connection, and the left side wall of the thermally conductive frame of soft package battery module or the wherein side side wall in right side wall are in
Bottom, the side wall that each soft package battery module is in bottom are mutually spliced to form the radiating surface.
3. soft-package battery mould group according to claim 2, it is characterised in that: the soft pack cell be equipped with it is multiple, it is each soft
Packet battery core is successively placed in the soft pack cell carrier, the immediate soft pack cell position of thermally conductive frame with the soft pack cell carrier
Innermost layer soft pack cell, with the thermally conductive frame of soft pack cell carrier farthest away from soft pack cell be outermost layer soft pack cell, it is described most
Internal layer soft pack cell and the thermally conductive frame are bonding, between two pieces of adjacent soft pack cells, two of one of soft pack cell
Tab is equipped with foam between the soft pack cell corresponding and adjacent with two tab positions of another soft pack cell respectively,
The foam and two neighboring soft pack cell are bonding.
4. soft-package battery mould group according to claim 3, it is characterised in that: the tab of the soft pack cell is in bending,
And the bending part of the busbar connector and tab forms a cavity, the remittance on the preceding busbar connector assembly and rear busbar connector assembly
Stream row is interspersed in the cavity, and the bending part split-phase of the busbar connector and tab is welded.
5. soft-package battery mould group according to claim 1, it is characterised in that: the thermally conductive frame front and rear side along burying forming in
In two plastic parts.
6. soft-package battery mould group according to claim 1, it is characterised in that: the preceding busbar connector assembly and rear busbar connector are total
Cheng Jun includes bracket and busbar connector, and busbar connector supporting element, the busbar connector supporting element structure in a strip shape are formed on the bracket
And arrange on bracket in lattice-shaped, the upper and lower ends of the busbar connector supporting element are formed with busbar connector embedded groove, the confluence
Row is supported on two busbar connector supporting elements, and the lower edges burying forming of busbar connector is in busbar connector embedded groove.
7. soft-package battery mould group according to claim 6, it is characterised in that: the busbar connector on the preceding busbar connector assembly is in
Two vertical edge of left and right of rectangular frame structure, busbar connector is respectively supported on two busbar connector supporting elements, the horizontal edge up and down of busbar connector with
And the edge portions burying forming of vertical edge is in busbar connector embedded groove.
8. soft-package battery mould group according to claim 6, it is characterised in that: the preceding busbar connector assembly and rear busbar connector
Pcb board is equipped on assembly, the busbar connector is connected by conducting connecting part with pcb board, and is equipped with winding displacement on pcb board and is inserted
Interface, is additionally provided with a winding displacement, and winding displacement both ends are separately connected on the wire plug connection mouth and rear busbar connector assembly of preceding busbar connector assembly
Wire plug connection mouth, and signal output is additionally provided on the pcb board of the preceding busbar connector assembly or rear busbar connector assembly, it is described each
A soft package battery module, winding displacement, busbar connector and signal output are connected in the detection circuit on pcb board.
9. soft-package battery mould group according to claim 8, it is characterised in that: be additionally provided with insulating part and upper cover, the insulation
Part and upper cover include top surface and left and right side, and the insulating part is socketed on the periphery of soft package battery module entirety, the upper cover
It is socketed on insulating part periphery, the winding displacement is between upper cover top surface and insulating part top surface.
10. a kind of manufacturing method of soft-package battery mould group, it is characterised in that the following steps are included: (1) manufactures soft package battery module
Mold；(2) corresponding position being placed in thermally conductive frame in soft package battery module mold；(3) through injection molding process in mold
Plastic part is manufactured, plastic part and thermally conductive frame are integrally formed, so that thermally conductive frame burying forming is in plastic part, formation soft pack cell is carried
Body；(4) soft pack cell is successively placed in soft pack cell carrier, forms soft package battery module；(5) by each soft package battery module phase
It is whole to form soft package battery module for connection；(6) preceding busbar connector assembly and rear busbar connector assembly mold are manufactured, (7) divide busbar connector
It is not placed in corresponding position in preceding busbar connector assembly mold and rear busbar connector assembly mold；(8) by injection molding process in mould
Conductor rail support is formed in tool, conductor rail support and busbar connector are integrally formed, so that busbar connector burying forming is in conductor rail support
It is interior, form preceding busbar connector assembly and rear busbar connector assembly；(9) preceding busbar connector assembly and rear busbar connector assembly are respectively fixedly connected with
In the rear and front end of soft package battery module entirety, the lug bending of the soft pack cell of each soft package battery module is made pole by (10)
Ear bending part is coated on busbar connector periphery, and the bending part of the tab of each soft pack cell is mutually welded with corresponding busbar connector
It connects；(11) thermally conductive sheet is installed in soft package battery module entirety bottom surface, alternatively, the step (11) can also be in step (5) and step
Suddenly implement between (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491003.2A CN110289379A (en) | 2019-06-06 | 2019-06-06 | A kind of soft-package battery mould group and its manufacturing method |
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| CN201910491003.2A CN110289379A (en) | 2019-06-06 | 2019-06-06 | A kind of soft-package battery mould group and its manufacturing method |
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| CN110783510A (en) * | 2019-12-11 | 2020-02-11 | 多氟多新能源科技有限公司 | Novel soft package lithium battery module scheme |
| CN111326692A (en) * | 2019-12-26 | 2020-06-23 | 湖北锂诺新能源科技有限公司 | Soft package battery module structure and assembly method thereof |
| CN111710814A (en) * | 2020-07-06 | 2020-09-25 | 荣盛盟固利新能源科技有限公司 | Soft packet of battery module of no module and module group |
| CN112259868A (en) * | 2020-10-13 | 2021-01-22 | 湖北亿纬动力有限公司 | Battery core stacking module and soft package battery module |
| CN112421144A (en) * | 2020-11-11 | 2021-02-26 | 湖北亿纬动力有限公司 | Battery module |
| CN112864491A (en) * | 2021-01-27 | 2021-05-28 | 福建易动力电子科技股份有限公司 | Soft-packaged battery cell module |
| EP4246669A3 (en) * | 2022-03-14 | 2023-11-29 | SK On Co., Ltd. | Battery module |
| WO2024106709A1 (en) * | 2022-11-17 | 2024-05-23 | 주식회사 엘지에너지솔루션 | Battery module comprising upper/lower-separable bus bar frame, and method for assembling same |
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Application publication date: 20190927 |