CN209592139U - Soft package lithium battery mould group - Google Patents
Soft package lithium battery mould group Download PDFInfo
- Publication number
- CN209592139U CN209592139U CN201920504564.7U CN201920504564U CN209592139U CN 209592139 U CN209592139 U CN 209592139U CN 201920504564 U CN201920504564 U CN 201920504564U CN 209592139 U CN209592139 U CN 209592139U
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- Prior art keywords
- bottom plate
- center
- mould group
- module
- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 37
- 238000005452 bending Methods 0.000 claims abstract description 55
- 239000004411 aluminium Substances 0.000 claims description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 35
- 229910052782 aluminium Inorganic materials 0.000 claims description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of soft package lithium battery mould group, including module box body and module group, and the upper and lower part of the front and back side of the center is equipped with the first positioning protrusion；The module box body includes top plate and bottom plate and the end board assembly along center stacking direction both ends set on the module group, four sides of the top plate, which are bent downward, is formed with top plate bending edge, the top plate bending edge encloses mounting of roof plate slot, four sides of the bottom plate, which are folded upward at, is formed with bottom plate bending edge, and the bottom plate bending edge encloses bottom plate mounting groove；The upper and lower end of the module group and end board assembly is embedded in the mounting of roof plate slot, in bottom plate mounting groove respectively, the top plate bending edge positioned at front and back side is equipped with several top plate bayonets, the bottom plate bending edge positioned at front and back side is equipped with several bottom plate bayonets, the top plate bayonet, bottom plate bayonet are corresponded and are clamped with first positioning protrusion, are welded to connect positioned at the top plate bending edge and bottom plate bending edge of left and right sides and the end board assembly.
Description
Technical field
The utility model belongs to automobile power cell technical field, and in particular to a kind of soft package lithium battery mould group.
Background technique
With the development of new energy industry, the application of electric car is increasingly extensive.Since to possess energy close for lithium ion battery
High, small in size and high power density feature is spent, the battery system being made of lithium ion battery is more and more widely used in electricity
In electrical automobile, meanwhile, the course continuation mileage of electric car, the security performance of power battery and service life etc. are referred to as electric car
The emphasis of development.
Lithium ion battery mould group is divided by the planform of battery core, is broadly divided into cylindrical electrical core, square electric cell and Soft Roll
These three, the wherein energy density highest of the battery of soft roll structure, therefore, as new-energy automobile industry is to battery pack system energy
The raising that metric density requires, soft pack cell become industry gradually and promote mainly battery core.
The structure design of existing soft-package battery mould group has the disadvantages that
One, structure member design is complicated, occupies more space and weight, reduces the mass energy density and volume of mould group
Energy density；
Two, positive and negative tab connection is usually to be connected by screw bolts mode, and reliability is general, and is unfavorable for the hair of intelligence manufacture
Exhibition, also takes up many spaces；
Three, acquisition strand design is complicated, and occupied space is unfavorable for automated production；
Four, heat management design space is limited, is difficult to efficiently control and regulating cell internal system temperature rise.
Application No. is 201721042766.1 patent documents to disclose a kind of method for soft package lithium ion power mould group, including
One group of heteropleural goes out the single battery of tab, the Insulating frame for accommodating this group of single battery, one group of metal connecting sheet and plastic insulation
Lid.Insulating frame is made of side end frame and central frame；Central frame is inlaid with two blocks of gold between adjacent two single battery
The square hole-shaped of category plate, its spacing and frame two sides is at air duct；Central frame is equipped with buckle card slot and through-hole；On the inside of side end frame
Face is fluted and buckles card slot and through-hole；Side end frame medial surface is fluted and buckles card slot and through-hole, and both ends embedding nut can
For connection sheet between fixed module；Metal connecting sheet is made of gasket, transition plate, busbar connector and end connection.The battery modules knot
Structure has following deficiency: 1, the battery modules are that the through-hole for passing through each plastic frame by long bolt connects each frame, are installed
Inconvenience, and mould group overall structure is built on the sand；2, the end connection sheet of the battery modules, i.e., it is total just total negative, it is using bending metal
Piece, end connection sheet are fixed on side end frame, and for battery modules when being shaken, end connection sheet will receive stress first, are easy
It is unreliable to damage.
Utility model content
The main purpose of the utility model is to provide a kind of soft package lithium battery mould group, it is intended to solve existing soft-package battery mould
The problem that structure is complicated for group, components are more and not firm enough.
To achieve the above object, the utility model proposes a kind of soft package lithium battery mould groups, comprising: module box body and be set to mould
Group the intracorporal module group of case, the module group is stacked gradually by multiple modular units to be constituted, the modular unit include: center and
It is installed on the battery core of center two sides, the upper and lower part of the front and back side of the center is equipped with the first positioning protrusion；The module box body
Include: top plate and bottom plate and the end board assembly along center stacking direction both ends set on the module group, four sides of the top plate to
Under be bent to form top plate bending edge, the top plate bending edge encloses mounting of roof plate slot, and four sides of the bottom plate are folded upward at
It is formed with bottom plate bending edge, the bottom plate bending edge encloses bottom plate mounting groove；The upper and lower end of the module group and end board assembly
It is embedded in the mounting of roof plate slot respectively, in bottom plate mounting groove, the top plate bending edge positioned at front and back side is equipped with several tops
Board mouth, the bottom plate bending edge positioned at front and back side are equipped with several bottom plate bayonets, the top plate bayonet, bottom plate bayonet and institute
It states the first positioning protrusion to correspond and be clamped, positioned at the top plate bending edge and bottom plate bending edge and the end board assembly of left and right sides
It is welded to connect.
Preferably, the soft package lithium battery mould group further include: busbar connector and positive and negative terminals, the tab of the battery core is before
Rear side, the busbar connector are electrically connected to each other with each battery core；The end board assembly includes: end plate and the end on the inside of end plate
Plate thermal insulation board, the front end of the end plate thermal insulation board are equipped with welding aluminium block, the welding aluminium block and the confluence for being located at positive and negative anodes end
Row is welded to connect；The positive and negative terminals are set to the front end of the end plate, and connect with the welding aluminium block.
Preferably, the positive and negative terminals include: pole main body, embedding nut and copper bar, and the pole main body uses plastics
It is made, the copper bar and embedding nut are made up of injection molding and pole main body integrated molding；The copper bar is set to the pole
The side of column main body, the copper bar are equipped with copper bar through-hole, and the pole main body is equipped with pole through-hole, on the welding aluminium block
Equipped with aluminium block through-hole, the copper bar through-hole, pole through-hole, aluminium block lead to the hole site is corresponding and is attached fixation by bolt；Institute
The top that embedding nut is set to the pole main body is stated, has been bent to form bending part at the top of the copper bar, on the bending part
Equipped with nut connecting hole, the nut connecting hole is corresponding with the embedding nut position.
Preferably, the pole main body is equipped with the pole grafting item extended downwardly, is formed with pole on the outside of the end plate
Column interface, the pole main body are plugged on the end plate.
Preferably, the positive and negative terminals further include: forceful electric power protection cap and positive and negative protection cap, the forceful electric power protection cap are set to institute
The side away from the copper bar of pole main body is stated, the positive and negative protection cap is set to the top of the pole main body.
Preferably, the soft package lithium battery mould group further include: flexible circuit board, the flexible circuit board connect the confluence
There is low pressure to acquire terminal for row, the flexible circuit board；The end board assembly further include: plug connector bracket, the plug connector branch
Frame is equipped with connector, and the low pressure acquisition terminal is docked with the connector.
Preferably, the outside of the end plate is equipped with bracket interface, and the plug connector branch is provided with the bracket extended downwardly
Grafting item, the plug connector bracket are plugged on the end plate.
Preferably, the soft package lithium battery mould group further include: module bracket, the module bracket are set to the module group
Front and back side；The side close to the module group of the module bracket is equipped with inside buckle, during the front and back side of the center is equipped with
Frame bayonet, the module bracket are connected on the center；The side away from the module group of the module bracket is equipped with outer
Side buckle, for the busbar connector to be fixed.
Preferably, the module box body further include: the lower edges of protection cap, the protection cap are equipped with protection cap bayonet；
The top and bottom end of the module bracket are buckled equipped with end side, and the protection cap is connected in the module bracket.
Preferably, it is formed with outside pillar on the outside of the end plate thermal insulation board, is provided with end plate through-hole on the end plate, it is described
End plate through-hole is stuck on the outside pillar；The corner location of the inside of the end plate thermal insulation board be equipped with the second positioning protrusion and every
The corner location of hot plate positioning port, the two sides of the center is equipped with third positioning protrusion and center positioning port；Second positioning
The raised center positioning port with the neighbouring center is cooperatively connected, and the of the thermal insulation board positioning port and the neighbouring center
Three positioning protrusion are cooperatively connected, and the third positioning protrusion between adjacent two center is connected with center positioning port corresponding matching.
Compared with prior art, technical solutions of the utility model the utility model has the advantages that
One, module box body is attached fixation to entire module group using top plate and bottom plate, and top plate and bottom plate use aluminium
Integrated molding is made, and aluminium intensity is high, density is high, when providing the guarantee of effective mechanical strength, moreover it is possible to meet battery lightweight
Requirement, four sides of top plate have been bent to form top plate bending edge, and four sides of bottom plate have been bent to form bottom plate bending edge, have thus made to push up
Plate and bottom plate are formed like cuboid slot cover, and modular unit is arranged successively by each modular unit when in groups, on the folder of both ends
End board assembly is inlaid in its upper and lower ends respectively in mounting of roof plate slot and bottom plate mounting groove, opposite two top plate of front and back bending
Bian Shang, top plate bayonet are fastened on first positioning protrusion on center top, on opposite two bottom plate bending edge of front and back, bottom plate bayonet
It is fastened on the first positioning protrusion of frame bottom, and is located at the top plate bending edge of front and back side and the inside of bottom plate bending edge in
The front and back side of frame is bonded, and top plate bending edge and bottom plate bending edge positioned at left and right sides are bonded with the outside of end board assembly, then are passed through
End board assembly and top plate and bottom plate are welded as a whole by Laser Welding, the module box body being consequently formed, each all around up and down
A direction is fixedly connected with module group, and without extra components, structure is simple, easy for installation, and firm jail
It leans on；It is few using top plate made of aluminium and bottom plate occupied space and weight, effectively improve mould group mass energy density and
Volume energy density.
Two, the utility model realizes voltage output using individual positive and negative terminals, the setting welding aluminium on end board assembly
Block realizes being electrically connected between busbar connector and positive and negative terminals, and the front end face for welding aluminium block is bonded with busbar connector, weld aluminium block
Be bonded with the copper bar in positive and negative terminals close to one side end face of positive and negative terminals, by screw bolt passes pole through-hole, copper bar through-hole,
After aluminium block through-hole, positive and negative terminals have obtained installation and have fixed, and the voltage that mould group generates can be carried out defeated by the embedding nut at top
Out, also, embedding nut is located at entire die set top, when using electric wire for voltage output by installation bolt, facilitates work
Make personnel and carries out assembly manipulation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the three-dimensional structure diagram for the soft package lithium battery mould group that an embodiment of the present invention proposes；
Fig. 2 is the soft package lithium battery mould group explosive view one that Fig. 1 is proposed；
Fig. 3 is the explosive view two in the soft package lithium battery mould group that Fig. 1 is proposed；
Fig. 4 be Fig. 1 propose to save in soft package lithium battery mould group left side it is total just with the structure chart after the protection cap of front side；
Fig. 5 is enlarged drawing at the A in Fig. 4；
Fig. 6 is the total positive figure in left side in the soft package lithium battery mould group of Fig. 1 proposition；
Fig. 7 is the explosive view of Fig. 6；
Fig. 8 is the structure chart of left side end board assembly in the soft package lithium battery mould group of Fig. 1 proposition；
Fig. 9 is the structure chart of front side frame in the soft package lithium battery mould group of Fig. 1 proposition；
Figure 10 is enlarged drawing at the B in Fig. 9；
Figure 11 is the structure chart of thermal insulation board and end plate in the soft package lithium battery mould group of Fig. 1 proposition；
Figure 12 is the detonation configuration figure of modular unit in the soft package lithium battery mould group of Fig. 1 proposition.
The drawing reference numeral of the utility model illustrates:
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of soft package lithium battery mould groups.
Please refer to Fig. 1 to Figure 12, soft package lithium battery mould group, comprising: module box body and be set to the intracorporal module group of module box,
The module group is stacked gradually by multiple modular units 1 and is constituted, and the modular unit includes: center 11 and is installed on 11 liang of center
The battery core 12 of side, the upper and lower part of the front and back side of the center 11 are equipped with the first positioning protrusion 111；The module box body includes:
Top plate 3, bottom plate 4 and the end board assembly 2 along center stacking direction both ends set on the module group, four sides of the top plate 3 to
Under be bent to form top plate bending edge 31, the top plate bending edge 31 encloses mounting of roof plate slot, and four sides of the bottom plate 4 are upward
It is bent to form bottom plate bending edge 41, the bottom plate bending edge 41 encloses bottom plate mounting groove 42；The module group and end plate group
The upper and lower end of part 2 is embedded in the mounting of roof plate slot, in bottom plate mounting groove 42 respectively, and the top plate positioned at front and back side is bent
Side 31 is equipped with several top plate bayonets 311, and the bottom plate bending edge 41 positioned at front and back side is equipped with several bottom plate bayonets 411,
The top plate bayonet 311, bottom plate bayonet 411 are corresponded and are clamped with first positioning protrusion 111, positioned at the top of left and right sides
Plate bending edge 31 and bottom plate bending edge 41 and the end board assembly 2 are welded to connect.
In conventional embodiment, the connection type between each modular unit is usually: through-hole being arranged on center, leads to
It crosses long bolt to sequentially pass through the through-hole of each center and be secured with nuts, not only structure is complicated for this connection type in groups, uses zero
Component is more, assembly trouble, and bolt and nut is easy to happen when battery is shaken and loosens, and the assembly intensity of mould group is inadequate,
Influence the trouble free service of entire mould group.
And in the utility model embodiment, module box body is attached entire module group using top plate 3 and bottom plate 4
Fixed, top plate 3 and bottom plate 4 are made of aluminium integrated molding, and aluminium intensity is high, density is high, are providing effective mechanical strength
When guarantee, moreover it is possible to meet the light-weighted requirement of battery, four sides of top plate 3 have been bent to form top plate bending edge 31, four sides of bottom plate 4
Be bent to form bottom plate bending edge 41, top plate 3 and bottom plate 4 thus made to be formed like cuboid slot cover, each modular unit 1 at
When group, modular unit is arranged successively, both ends press from both sides upper head plate component 2, its upper and lower ends is made to be inlaid in mounting of roof plate slot respectively
In bottom plate mounting groove 42, on opposite two top plate bending edge 31 of front and back, top plate bayonet 311 is fastened on the first of 11 top of center
On positioning protrusion 111, on opposite two bottom plate bending edge 41 of front and back, it is first fixed to be fastened on 11 lower part of center for bottom plate bayonet 411
In position protrusion 111, and it is located at the top plate bending edge 31 of front and back side and the inside of bottom plate bending edge 41 and the front and back side of center 11 patch
It closes, top plate bending edge 31 and bottom plate bending edge 41 positioned at left and right sides are bonded with the outside of end board assembly 2, then will by Laser Welding
End board assembly 2 and top plate 3, bottom plate 4 are welded as a whole, the module box body being consequently formed, in all around each side up and down
Be fixedly connected to module group, without extra components, structure is simple, easy for installation, and consolidate it is firm；It adopts
The top plate 3 made of aluminium and 4 occupied space of bottom plate and weight are few, effectively improve the mass energy density and volume of mould group
Energy density.
Further, the soft package lithium battery mould group further include: busbar connector 5 and positive and negative terminals 7, the tab of the battery core 12
Towards front and back side, the busbar connector 5 is electrically connected to each other with each battery core 12；The end board assembly 2 includes: end plate 21 and is set to
End plate thermal insulation board 22 on the inside of end plate, the front end of the end plate thermal insulation board 22 are equipped with welding aluminium block 221, the welding aluminium block 221
It is welded to connect with the busbar connector 5 for being located at positive and negative anodes end；The positive and negative terminals 7 be set to the end plate 11 front end, and with it is described
Aluminium block 221 is welded to connect.
The end plate 21 is made of aluminium integrated molding, and end plate 21 is fitted in the outside of end plate thermal insulation board 22, and end plate
21 shorter than end plate thermal insulation board 22, i.e., one space of formation between the front end of end plate 21 and end plate thermal insulation board 22 are used to install just
Negative terminal 7.Busbar connector 5 is installed and when positive and negative terminals 7, according to the series-parallel relationship of each battery core 12 by the busbar connector 5 of corresponding specification
It is welded on the tab of battery core 12, the amount busbar connector 5 positioned at positive and negative anodes end is also welded with welding aluminium block 221, then by positive and negative anodes
Column 7 is mounted on end plate 21, and positive and negative terminals 7 are connect with welding aluminium block 221, and the voltage that each battery core generates in series and parallel can be by just
Negative terminal 7 is exported.
Further, referring to Figure 7 together, Fig. 8, the positive and negative terminals include: pole main body 71, embedding nut 72 and copper
Row 73, the pole main body 71 are adopted made of plastic, and the copper bar 73 and embedding nut 72 pass through injection molding and the pole main body
71 integrated moldings are made；The copper bar 73 is set to the side of the pole main body 71, and the copper bar 73 is equipped with copper bar through-hole
731, the pole main body 71 is equipped with pole through-hole 711, and the welding aluminium block 221 is equipped with aluminium block through-hole 222, the copper bar
Through-hole 731, pole through-hole 711,222 position of aluminium block through-hole is corresponding and is attached fixation by bolt；The embedding nut 72
Set on the top of the pole main body 71, the top of the copper bar 73 has been bent to form bending part 732, on the bending part 732
Equipped with nut connecting hole 733, the nut connecting hole 733 is corresponding with 72 position of embedding nut.
In conventional embodiment, two busbar connectors positioned at positive and negative anodes end are usually directly connected to mould after bending
Group side, by connection bolt by voltage output, or using the connection row of other bending, busbar connector or connection row are
Be it is Metal Flake, be generally all located at the side of battery modules, reliability is general, by installation power supply line by voltage output when not
Only installation is inconvenient, and occupies side spaces.
In the present embodiment, first is that realizing voltage output using individual positive and negative terminals 7, second is that in end board assembly 2
Upper setting welds aluminium block 221 to realize being electrically connected between busbar connector 5 and positive and negative terminals 7, welds front end face and the remittance of aluminium block 221
5 fitting of stream row, 7 one side end face of close positive and negative terminals of welding aluminium block 221 are bonded with the copper bar 73 in positive and negative terminals 7, pass through spiral shell
After bolt sequentially passes through pole through-hole 711, copper bar through-hole 731, aluminium block through-hole 222, positive and negative terminals 7 have obtained installation and have fixed, mould group
The voltage of generation can be exported by the embedding nut 72 at top.
Also, embedding nut 72 is located at entire die set top, when using electric wire for voltage output by installation bolt, side
Staff carry out assembly manipulation.
Further, the pole main body 71 is equipped with the pole grafting item 712 extended downwardly, the outside of the end plate 21
It is formed with pole interface 211, the pole main body 71 is plugged on the end plate 21.
Further, the positive and negative terminals 7 further include: forceful electric power protection cap 74 and positive and negative protection cap 75, the forceful electric power protection
Lid 74 is set to the side away from the copper bar 73 of the pole main body 71, and the positive and negative protection cap 75 is set to the pole main body
71 top.
After positive and negative terminals 7 are plugged on end plate 21, the top surface of positive and negative protection cap 75 and the either flush of top plate 3 are positive and negative
The front end face of protection cap 75 is concordant with the front end face of mould group, and the lateral surface towards left and right directions and end plate 21 of positive and negative terminals 7 are flat
Together, so that entire battery modules are similar rectangular-shape, convenient for when the conjunction of multiple battery modules links together, saving is occupied
Space.
Further, the soft package lithium battery mould group further include: flexible circuit board 6, the flexible circuit board 6 connect described
There is low pressure to acquire terminal 61 for busbar connector 5, the flexible circuit board 6；The end board assembly 2 further include: plug connector bracket 23, institute
Plug connector bracket 23 is stated equipped with connector 232, the low pressure acquisition terminal 61 is docked with the connector 232.
Further, the outside of the end plate 21 is equipped with bracket interface 212, and the plug connector bracket 23 is equipped with to downward
The bracket grafting item 231 stretched, the plug connector bracket 23 are plugged on the end plate 21.
The flexible circuit board 6 is connect with busbar connector 5, for collected voltage signal etc. to be transmitted to mould group management system
System, after the low pressure of flexible circuit board 6 acquires terminal 61 and 232 grafting of connector, for being electrically connected and leading to module management system
Letter connection.Plug connector bracket 23 uses inserting mode in present embodiment, and flexible circuit board 6 carries out port using connector 232
Output, it is easy for installation.
Further, the soft package lithium battery mould group further include: module bracket 8, the module bracket 8 are set to the module
The front and back side of group；The side close to the module group of the module bracket 8 is equipped with inside buckle 81, the front and back of the center 11
Side is equipped with center bayonet 112, and the module bracket 8 is connected on the center 11；The module bracket 8 deviates from the module
The side of group is equipped with outside buckle 82, for the busbar connector 5 to be fixed.
The module bracket 8 that the soft package lithium battery mould group insulate in the corresponding front and back side setting of cell polar ear, by mould group branch
Frame 8, which is connected by a snap mode and connect with each center 11 and then each busbar connector 5 is connected by a snap mode, is stuck in mould group branch
It is positioned on frame 8, facilitates and subsequent busbar connector 5 is subjected to.
Further, the module box body further include: the lower edges of protection cap 9, the protection cap 9 are equipped with protection cap card
Mouth 91；The top and bottom end of the module bracket 8 are equipped with end side buckle 83, and the protection cap 9 is connected to the module bracket 8
On.
Further, the outside of the end plate thermal insulation board 22 is formed with outside pillar 223, is provided with end plate on the end plate 21
Through-hole 213, the end plate through-hole 213 are stuck on the outside pillar 223；The corner location of the inside of the end plate thermal insulation board 22
Equipped with the second positioning protrusion 224 and thermal insulation board positioning port 225, the corner location of the two sides of the center 11 is equipped with third convex
Play 113 and center positioning port 114；The center positioning port 114 of second positioning protrusion 224 and the neighbouring center 11 cooperates
The third positioning protrusion 113 of connection, the thermal insulation board positioning port 225 and the neighbouring center 11 is cooperatively connected, in adjacent amount
Third positioning protrusion 113 between frame 11 is connected with 114 corresponding matching of center positioning port.
Further, heat-conducting glue is equipped between adjacent two modular unit, between the modular unit and the bottom plate.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of soft package lithium battery mould group, comprising: module box body and be set to the intracorporal module group of module box, the module group is by more
A modular unit stacks gradually composition,
It is characterized in that,
The modular unit includes: center and the battery core for being installed on center two sides, and the upper and lower part of the front and back side of the center is all provided with
There is the first positioning protrusion；
The module box body includes: top plate and bottom plate and the end board assembly along center stacking direction both ends set on the module group,
Four sides of the top plate, which are bent downward, is formed with top plate bending edge, and the top plate bending edge encloses mounting of roof plate slot, the bottom
Four sides of plate, which are folded upward at, is formed with bottom plate bending edge, and the bottom plate bending edge encloses bottom plate mounting groove；
The upper and lower end of the module group and end board assembly is embedded in the mounting of roof plate slot, in bottom plate mounting groove respectively, before being located at
The top plate bending edge of rear side is equipped with several top plate bayonets, if the bottom plate bending edge positioned at front and back side is equipped with dry bottom
Board mouth, the top plate bayonet, bottom plate bayonet are corresponded and are clamped with first positioning protrusion, positioned at the top plate of left and right sides
Bending edge and bottom plate bending edge and the end board assembly are welded to connect.
2. soft package lithium battery mould group as described in claim 1, which is characterized in that the soft package lithium battery mould group further include: converge
Stream row and positive and negative terminals, towards front and back side, the busbar connector is electrically connected to each other the tab of the battery core with each battery core；
The end board assembly includes: end plate and the end plate thermal insulation board on the inside of end plate, and the front end of the end plate thermal insulation board is equipped with
Aluminium block is welded, the welding aluminium block is welded to connect with the busbar connector for being located at positive and negative anodes end；
The positive and negative terminals are set to the front end of the end plate, and connect with the welding aluminium block.
3. soft package lithium battery mould group as claimed in claim 2, which is characterized in that the positive and negative terminals include: pole main body, edge
Embedding nut and copper bar, the pole main body are adopted made of plastic, and the copper bar and embedding nut pass through injection molding and the pole master
Body by integral forming is made；
The copper bar is set to the side of the pole main body, and the copper bar is equipped with copper bar through-hole, and the pole main body is equipped with
Pole through-hole, the welding aluminium block are equipped with aluminium block through-hole, and the copper bar through-hole, pole through-hole, aluminium block lead to the hole site are corresponding simultaneously
Fixation is attached by bolt；
The embedding nut is set to the top of the pole main body, has been bent to form bending part at the top of the copper bar, described curved
Folding part is equipped with nut connecting hole, and the nut connecting hole is corresponding with the embedding nut position.
4. soft package lithium battery mould group as claimed in claim 3, which is characterized in that the pole main body is equipped with and extends downwardly
Pole grafting item is formed with pole interface on the outside of the end plate, and the pole main body is plugged on the end plate.
5. soft package lithium battery mould group as claimed in claim 3, which is characterized in that the positive and negative terminals further include: forceful electric power protection
Lid and positive and negative protection cap, the forceful electric power protection cap are set to the side away from the copper bar of the pole main body, the positive and negative guarantor
Protecting cover is set to the top of the pole main body.
6. soft package lithium battery mould group as claimed in claim 2, which is characterized in that the soft package lithium battery mould group further include: soft
Property wiring board, the flexible circuit board connects the busbar connector, and there is the flexible circuit board low pressure to acquire terminal；
The end board assembly further include: plug connector bracket, the plug connector bracket are equipped with connector, and the low pressure acquires terminal
It is docked with the connector.
7. soft package lithium battery mould group as claimed in claim 6, which is characterized in that the outside of the end plate is equipped with bracket grafting
Mouthful, the plug connector branch is provided with the bracket grafting item extended downwardly, and the plug connector bracket is plugged on the end plate.
8. soft package lithium battery mould group as claimed in claim 2, which is characterized in that the soft package lithium battery mould group further include: mould
Pack support, the module bracket are set to the front and back side of the module group；
The side close to the module group of the module bracket is buckled equipped with inside, and the front and back side of the center is equipped with center card
Mouthful, the module bracket is connected on the center；
The side away from the module group of the module bracket is buckled equipped with outside, for the busbar connector to be fixed.
9. soft package lithium battery mould group as claimed in claim 8, which is characterized in that the module box body further include: protection cap, institute
The lower edges for stating protection cap are equipped with protection cap bayonet；The top and bottom end of the module bracket are buckled equipped with end side, the guarantor
Protecting cover is connected in the module bracket.
10. soft package lithium battery mould group as claimed in claim 2, which is characterized in that be formed on the outside of the end plate thermal insulation board
Outside pillar is provided with end plate through-hole on the end plate, and the end plate through-hole is stuck on the outside pillar；
The corner location of the inside of the end plate thermal insulation board be equipped with the second positioning protrusion and thermal insulation board positioning port, the two of the center
The corner location of side is equipped with third positioning protrusion and center positioning port；
The center positioning port of second positioning protrusion and the neighbouring center is cooperatively connected, the thermal insulation board positioning port and neighbour
The third positioning protrusion of the close center is cooperatively connected, the third positioning protrusion and center positioning port pair between adjacent two center
It should be cooperatively connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920504564.7U CN209592139U (en) | 2019-04-15 | 2019-04-15 | Soft package lithium battery mould group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920504564.7U CN209592139U (en) | 2019-04-15 | 2019-04-15 | Soft package lithium battery mould group |
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| Publication Number | Publication Date |
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| CN209592139U true CN209592139U (en) | 2019-11-05 |
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| CN201920504564.7U Active CN209592139U (en) | 2019-04-15 | 2019-04-15 | Soft package lithium battery mould group |
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| CN (1) | CN209592139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950448A (en) * | 2019-04-15 | 2019-06-28 | 桑顿新能源科技有限公司 | Soft package lithium battery mould group |
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2019
- 2019-04-15 CN CN201920504564.7U patent/CN209592139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950448A (en) * | 2019-04-15 | 2019-06-28 | 桑顿新能源科技有限公司 | Soft package lithium battery mould group |
| CN109950448B (en) * | 2019-04-15 | 2023-08-22 | 桑顿新能源科技(长沙)有限公司 | Soft package lithium battery module |
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Effective date of registration: 20230426 Granted publication date: 20191105 |