CN110233229A - A kind of connection structure and battery modules of soft package battery module and busbar connector assembly - Google Patents
A kind of connection structure and battery modules of soft package battery module and busbar connector assembly Download PDFInfo
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- CN110233229A CN110233229A CN201910491029.7A CN201910491029A CN110233229A CN 110233229 A CN110233229 A CN 110233229A CN 201910491029 A CN201910491029 A CN 201910491029A CN 110233229 A CN110233229 A CN 110233229A
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- Prior art keywords
- busbar connector
- soft
- battery module
- package battery
- connector assembly
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- 238000005452 bending Methods 0.000 claims description 28
- 239000004020 conductor Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 210000004027 cell Anatomy 0.000 description 89
- 238000010586 diagram Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 9
- 239000006260 foam Substances 0.000 description 8
- 238000004026 adhesive bonding Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012546 transfer 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
- 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
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 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
- 238000003466 welding 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
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Present invention discloses the connection structures of a kind of soft package battery module and busbar connector assembly, structure includes soft package battery module, front and back busbar connector assembly, each soft package battery module stacks connection and forms a soft package battery module entirety, front and back busbar connector assembly is connected to the rear and front end of soft package battery module entirety, and the busbar connector on the busbar connector assembly of front and back is in contact with the tab of corresponding soft pack cell.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；Burying forming technique is used between soft package battery 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 modules and busbar connector
The connection structure and battery modules of assembly.
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 easily there is situations such as scratch, pit, crease, and due to soft pack cell and traditional column battery architectural difference
It is very big, therefore how to be a problem anxious to be resolved by each battery module and the connection of the busbar connector of battery modules.
Summary of the invention
The purpose of the embodiment of the present invention is, provides the connection structure and electricity of a kind of soft package battery module and busbar connector assembly
Chi Mo group solves the problems, such as that soft-package battery module group assembling is difficult, is difficult to for soft package battery module connecting with busbar connector.
The embodiment of the invention provides the connection structures of a kind of soft package battery module and busbar connector assembly, including soft-package battery
Module, preceding busbar connector assembly and rear busbar connector assembly, the soft package battery module are equipped with multiple, packet in the soft package battery module
Soft pack cell is included, each soft package battery module stacks connection and forms a soft package battery module entirety, each Soft Roll
Former and later two tabs of soft pack cell in battery module are arranged in the front and rear sides of soft package battery module entirety in lattice-shaped respectively
Cloth, the preceding busbar connector assembly and rear busbar connector assembly are connected to the rear and front end of soft package battery module entirety, and described
Preceding busbar connector assembly and rear busbar connector assembly are respectively formed on the busbar connector of lattice-shaped arrangement, the busbar connector and each Soft Roll electricity
Soft pack cell tab is corresponding in the module of pond, and the busbar connector is in contact with the tab of corresponding soft pack cell.
Further, the connection structure of above-mentioned soft package battery module and busbar connector assembly, in which: the soft package battery module
Including soft pack cell carrier and soft pack cell, the soft pack cell carrier includes thermally conductive frame and plastic part, and the plastic part is equipped with
Two, two plastic parts are connected to the front and back edge of thermally conductive frame, and the soft pack cell is placed in the soft pack cell carrier
It is interior, and opening is formed on the plastic part, two tabs of soft pack cell aperture position with two plastic parts respectively
It is corresponding.
Further, the connection structure of above-mentioned soft package battery module and busbar connector assembly, in which: the top of the plastic part
It is respectively equipped with shank and pin hole with bottom, and the shank and pin hole size match；Each soft package battery module is edge-on and heap
Folded connection forms soft package battery module entirety, and adjacent soft package battery module is connected by shank with pin hole, so that each Soft Roll
Battery module is located by connecting.
Further, the connection structure of above-mentioned soft package battery module and busbar connector assembly, in which: the soft pack cell is set
There is muti-piece, each soft pack cell is successively placed in the soft pack cell carrier, one of between two pieces of adjacent soft pack cells
Two tabs of soft pack cell are corresponding with two tab positions of another piece of soft pack cell respectively, and the soft pack cell
Tab is in bending, and the bending part of corresponding tab forms a cavity, each confluence between each soft pack cell
Row is interspersed in tab in corresponding soft package battery module and is formed by cavity, and the bending part of the busbar connector and tab
It is in contact.
Further, the connection structure of above-mentioned soft package battery module and busbar connector assembly, in which: the preceding busbar connector is total
At including bracket and busbar connector with rear busbar connector assembly, busbar connector supporting element, the busbar connector branch are formed on the bracket
Support member structure in a strip shape and on bracket in lattice-shaped arrange, the upper and lower ends of busbar connector supporting element be formed with busbar connector insertion
Slot, the busbar connector are supported on two busbar connector supporting elements, and the lower edges burying forming of busbar connector is embedded in busbar connector
In slot.
Still further, the connection structure of above-mentioned soft package battery module and busbar connector assembly, in which: the preceding busbar connector is total
It is in rectangular frame structure at upper busbar connector, two vertical edge of left and right of busbar connector is respectively supported on two busbar connector supporting elements, is converged
The horizontal edge up and down of row and the edge portions burying forming of vertical edge are in busbar connector embedded groove.
The invention also discloses a kind of soft-package battery mould groups, the connection including above-mentioned soft package battery module Yu busbar connector assembly
Structure.
The invention also discloses the manufacturing methods of a kind of soft package battery module and the connection structure of busbar connector assembly, including with
Each soft package battery module: (1) being connected by lower step, and it is whole to form soft package battery module；(2) manufacture before busbar connector assembly and
Busbar connector assembly mold afterwards, it is right in preceding busbar connector assembly mold and rear busbar connector assembly mold that busbar connector is respectively placed in by (3)
Answer position；(4) conductor rail support being formed in mold by injection molding process, conductor rail support and busbar connector are integrally formed,
So that forming preceding busbar connector assembly and rear busbar connector assembly in busbar connector burying forming conductor rail support；(5) preceding busbar connector is total
It is respectively fixedly connected at rear busbar connector assembly in the rear and front end of soft package battery module entirety, (6) are by each soft-package battery mould
The lug bending of the soft pack cell of block is simultaneously coated on busbar connector periphery；(7) by the bending part of the tab of each soft pack cell with
Corresponding busbar connector mutually welds.
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) preceding remittance in the present invention
Stream row's assembly and rear busbar connector assembly also use burying forming technique, are embedded to conductive busbar connector by burying forming technique
In plastic parts conductor rail support, the surface of welding, the whole intensity of raising are only reserved；(3) 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.
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-holes for hoist, 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 battery module, the outermost soft pack cell positioned at the soft pack cell module of the rightmost side will be exposed to the external world,
Certainly according to the difference of the edge-on direction of each soft package battery module it could also be possible that being located at the leftmost side in soft package battery module entirety
The outermost soft pack cell 3 of soft pack cell module be exposed to the external world.Have preferably to guarantee soft package battery module integrally
Thermal diffusivity and stable connection, soft package battery module integrally further includes a capping, capping include conductive cover 6 and two conductive covers
Plastic part 61, conductive cover plastic part 61 is connected to the front and rear side edge of conductive cover 6, described to cover in 6 and each soft package battery module
Outermost layer soft pack cell 3 is exposed to that extraneous soft package battery module and is connected, the soft pack cell of the soft package battery module
The plastic part 5 of carrier is connect with thermally conductive 61 pin shaft of plastic part of capping 6, so that conductive cover 6 is covered in the Soft Roll being attached thereto
11 outside of soft pack cell of battery module, and conductive cover 6 and the outermost soft pack cell 11 of the soft package battery module pass through gluing
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 soft package battery module entirety.Soft Roll
In battery module the tab 111 of each soft pack cell 11 be in bending, and in soft package battery module each soft pack cell 11 pole
111 bending part of ear is in contact, and forms a cavity, and each busbar connector 72 is interspersed in corresponding each soft-package battery mould
11 tab 111 of soft pack cell in block is formed by cavity, and each busbar connector 72 and corresponding each soft-package battery
The bending part split-phase of 11 tab 111 of soft pack cell in module is welded.The busbar connector 72 and pcb board 73 are fixedly connected in branch
On frame 71, specifically, busbar connector supporting element 712, the busbar connector supporting element 712 structure in a strip shape, institute are formed on bracket 71
Busbar connector supporting element 712 is stated to be equipped with multiple and arrange on bracket 71 in lattice-shaped.The upper and lower ends shape of busbar connector supporting element 712
At there is 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 remittances
On stream row's 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
It is interior.Busbar connector fixation hole 713 is formed between adjacent busbar connector supporting element 712, horizontal edge is formed with busbar connector on busbar connector 72
Fixed part, 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 soft package battery module entirety bottom, there is good heating conduction, thermally conductive frame
The technique that burying forming is used between 4 and plastic part 5 improves thermally conductive frame 4 and plastic part 5 compared to more traditional hot riveting technique
It is formed by sub-assembly intensity, there is better homogeneity of product；Also, it is equipped with foam between adjacent soft pack cell 11, is used for
Buffer battery core expansion in battery core thickness accumulated tolerance itself and practical charge and discharge process；Also, preceding busbar connector is total in the present invention
Burying forming technique is also used at rear busbar connector assembly, conductive busbar connector is embedded to by plastic cement by the technique of burying forming
In part conductor rail support, busbar connector face of weld is only reserved, the whole intensity of raising, each Soft Roll electricity in soft package battery module
Core tab is in bending and forms a cavity, and busbar connector is interspersed in cavity and welds with bending part, ensure that Soft Roll electricity
Pond module integrally connect with busbar connector assembly and is not readily separated；In addition, invention further reduces the sampling of traditional harness, preceding busbar connector
The signal of sampling is uniformly pooled to signal output by winding displacement 15 and drawn by assembly 7, rear busbar connector assembly 8, so that product is pacified
Full property further enhances.
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 (8)
1. the connection structure of a kind of soft package battery module and busbar connector assembly, it is characterised in that: including soft package battery module, preceding remittance
Stream row's assembly and rear busbar connector assembly, the soft package battery module are equipped with multiple, include Soft Roll electricity in the soft package battery module
Core, each soft package battery module stack connection and form a soft package battery module entirety, each soft package battery module
Former and later two tabs of interior soft pack cell are arranged in the front and rear sides of soft package battery module entirety in lattice-shaped respectively, before described
Busbar connector assembly and rear busbar connector assembly are connected to the rear and front end of soft package battery module entirety, and the preceding busbar connector is total
At with rear busbar connector assembly be respectively formed on lattice-shaped arrangement busbar connector, the busbar connector with it is soft in each soft package battery module
Packet cell polar ear is corresponding, and the busbar connector is in contact with the tab of corresponding soft pack cell.
2. the connection structure of soft package battery module according to claim 1 and busbar connector assembly, it is characterised in that: described soft
Packet battery module includes soft pack cell carrier and soft pack cell, and the soft pack cell carrier includes thermally conductive frame and plastic part, described
There are two plastic part is set, two plastic parts are connected to the front and back edge of thermally conductive frame, and the soft pack cell is placed in described soft
In packet battery core carrier, and opening is formed on the plastic part, two tabs of soft pack cell respectively with two plastic parts
Aperture position it is corresponding.
3. the connection structure of soft package battery module according to claim 2 and busbar connector assembly, it is characterised in that: the modeling
Shank and pin hole are respectively equipped at the top and bottom of materials and parts, and the shank and pin hole size match；Each soft-package battery mould
Block is edge-on and stacks connection and forms soft package battery module entirety, and adjacent soft package battery module is connected with pin hole by shank, made
Each soft package battery module is obtained to be located by connecting.
4. the connection structure of soft package battery module according to claim 2 and busbar connector assembly, it is characterised in that: described soft
Packet battery core is equipped with muti-piece, and each soft pack cell is successively placed in the soft pack cell carrier, between two pieces of adjacent soft pack cells,
Two tabs of one of soft pack cell are corresponding and described soft with two tab positions of another piece of soft pack cell respectively
The tab of packet battery core is in bending, and the bending part of corresponding tab forms a cavity between each soft pack cell, each
The busbar connector is interspersed in tab in corresponding soft package battery module and is formed by cavity, and the busbar connector and tab
Bending part is in contact.
5. the connection structure of soft package battery module according to claim 1 and busbar connector assembly, it is characterised in that: before described
Busbar connector assembly and rear busbar connector assembly include bracket and busbar connector, and busbar connector supporting element is formed on the bracket, described
It busbar connector supporting element structure in a strip shape and arranges on bracket in lattice-shaped, the upper and lower ends of busbar connector supporting element are formed with confluence
Embedded groove is arranged, the busbar connector is supported on two busbar connector supporting elements, and the lower edges burying forming of busbar connector is in confluence
It arranges in embedded groove.
6. the connection structure of soft package battery module according to claim 5 and busbar connector assembly, it is characterised in that: before described
Busbar connector on busbar connector assembly is in rectangular frame structure, and two vertical edge of left and right of busbar connector is respectively supported at two busbar connector supporting elements
On, the horizontal edge up and down of busbar connector and the edge portions burying forming of vertical edge are in busbar connector embedded groove.
7. a kind of soft-package battery mould group, it is characterised in that: including soft package battery module described in any one of claim 1-6
With the connection structure of busbar connector assembly.
8. a kind of manufacturing method of the connection structure of soft package battery module and busbar connector assembly, it is characterised in that including following step
It is rapid: (1) each soft package battery module to be connected, it is whole to form soft package battery module；(2) busbar connector assembly and rear remittance before manufacturing
Stream row's assembly mold, busbar connector is respectively placed in preceding busbar connector assembly mold and rear busbar connector assembly mold and corresponds to position by (3)
It sets；(4) conductor rail support being formed in mold by injection molding process, conductor rail support and busbar connector are integrally formed, so that
In busbar connector burying forming conductor rail support, preceding busbar connector assembly and rear busbar connector assembly are formed；(5) by preceding busbar connector assembly and
Busbar connector assembly is respectively fixedly connected in the rear and front end of soft package battery module entirety afterwards, and (6) are by each soft package battery module
The lug bending of soft pack cell is simultaneously coated on busbar connector periphery；(7) by the bending part of the tab of each soft pack cell with it is corresponding
Busbar connector mutually weld.
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| CN112582719A (en) * | 2019-09-29 | 2021-03-30 | 东莞新能源科技有限公司 | Battery module unit, battery module, energy storage system and electric vehicle |
| US20230216149A1 (en) * | 2020-04-09 | 2023-07-06 | Lg Energy Solution, Ltd. | Battery Module and Manufacturing Method Thereof |
| CN117254213A (en) * | 2023-11-17 | 2023-12-19 | 上海聚信海聚新能源科技有限公司 | Cell structure, busbar and liquid cooling battery package |
| EP4040580A4 (en) * | 2019-09-29 | 2024-10-23 | Dongguan Amperex Technology Limited | BATTERY CELL HOLDER GROUP AND ENERGY STORAGE DEVICE PACKAGING |
| US12224448B2 (en) | 2019-09-29 | 2025-02-11 | Ningde Amperex Technology Limited | Cell frame set and energy storage device package including cell frame set |
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Application publication date: 20190913 |