CN209071408U - A kind of soft package lithium battery module for electric vehicle - Google Patents
A kind of soft package lithium battery module for electric vehicle Download PDFInfo
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- CN209071408U CN209071408U CN201821601275.0U CN201821601275U CN209071408U CN 209071408 U CN209071408 U CN 209071408U CN 201821601275 U CN201821601275 U CN 201821601275U CN 209071408 U CN209071408 U CN 209071408U
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- lithium battery
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- heat sink
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- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a kind of soft package lithium battery module for electric vehicle, the module includes soft package lithium battery, side plate, foam, heat sink, battery bracket, connection sheet, the confluence structures such as piece and secure component, electrical connection safety is improved by using unique safety-type connection sheet and reduces battery location required precision, using flexible bus piece can free bend expand the use condition of connection sheet, realization module that can be relatively easy using modular rack extends, modular structure etc. is simplified using composite heating panel, there is soft package lithium battery module compact-sized, safety and stability, it easily extends and has the advantages that higher energy density.
Description
Technical field
The utility model relates to a kind of soft package lithium battery modules, are particularly applied to the Soft Roll lithium ion of electric car industry
Battery module.
Background technique
Currently, electric powered motor derives from lithium battery power battery pack, since electric car is quicker to space, continuation of the journey
Sense, therefore it is required that the volume of power battery pack, quality, energy have higher requirement, that is, requires power battery to be surrounded by higher energy
Metric density, and soft package lithium battery is widely used in electric car industry as the type with higher energy density.Power electric
Packet internal passed through by multiple mould groups in pond forms in series and parallel, and module internal is equally passed through by battery core to be formed in series and parallel.Connect between mould group
It connects and is generally connected by private cable or busbar connector.Narrow space in mould group, and for soft pack cell, due to itself dimensional tolerance
It is larger, it position and is not fixed, can not directly be connected using confluence piece, common practice is using plastic frame at present in mould group
Soft package lithium battery is fixed from side wrap, while to take into account heat dissipation needs, it usually needs increase heat sink.What the structure used
Plastic frame, volume and quality are larger, influence the raising of module energy density；Secondly plastic frame needs precision to be opened, material
Expect that usage amount is larger, causes cost larger；Last frame mostly uses the forms such as buckle, and installation is complicated, low efficiency, and scalability is poor.
It is mainly that bolt tightens connection and confluence (even that soft pack cell, which connects in series and parallel and converge connection, in realization mould group
Connect) plate welding.Being bolted is that will be rigidly connected after tab aperture shaping with bolt, and which requires strict control torque, and
More demanding to battery core position and position of opening, step is more, complicated for operation, and needs certain space.(connection) plate that converges welds
It connects using welding manner, confluence (connection) plate is generally rigid hardboard, and the cell polar ear after shaping is converged (connection) with rigidity
Plate contacts or passes through and weld, and which needs (connection) plate that converges according to the arrangement mode design specialized of soft package lithium battery, only
It can be directed to single type module, scalability is poor.Being bolted with the welding of cylinder manifold (connection) plate is rigid connection, it is desirable that battery
Position is relatively fixed, and intermodule connection need to increase flexible cable and be attached, and further increases structure.In addition, in secure context,
Connection inside existing module between lithium battery, security control mainly cooperates BMS from temperature, electric current, voltage detecting, from control
The processing of aspect angle, limited to the security control mode of module use process, rarely the connection sheet of product itself has safety
Structure.
To sum up, compact-sized, securely and reliably, the strong and soft package lithium battery module with higher energy density of scalability just at
For market in urgent need and the direction of primary study.
Utility model content
In order to overcome existing soft package lithium battery, structure is complicated, scalability is poor, security control and energy density are limited
Deficiency, the utility model provide a kind of soft package lithium battery module for electric vehicle, and the soft package lithium battery module is by using only
The components such as special safety-type connection sheet, flexible bus piece, modular rack, composite heating panel, have soft package lithium battery module
Compact-sized, safety and stability easily extends and has the advantages that higher energy density.
The utility model discloses a kind of soft package lithium battery module for electric vehicle, including soft package lithium battery, side plate, bubble
The structures such as cotton, upper bracket, lower bracket, heat sink, connection sheet, confluence piece, fastening bolt nut, fastening band；The Soft Roll lithium
Serial or parallel connection is connected by connection sheet between battery, and realizes confluence by confluence piece, on the upside of soft package lithium battery tab end with it is upper
Bracket docking, downside are docked with lower bracket, and soft package lithium battery front is contacted with heat sink with the back side；The side plate is installed on mould
Block outermost, side plate interior sides post foam, and the foam other side is contacted with outside heat sink, upper bracket, lower bracket；The side plate,
Foam, upper bracket, lower bracket, heat sink have corresponding hole location, are compressed by bolt and nut and band ties up fixation.
In above scheme, the connection sheet is metal aluminium flake, including tab linkage section, elastic stretch section, wiring point, insurance
Section.Insurance section is located at the middle part of connection sheet, and two sides are disposed with elastic stretch section and tab linkage section, and wiring point setting is being protected
Between dangerous section and elastic stretch section；The tab linkage section is connected and fixed with connected lithium battery pole ear, the elastic stretch section
For arc-shaped bend structure, there is good elasticity, the not high use condition of lithium battery position precision can be met.Wiring point is connection
The protrusion of piece, for being electrically connected, insurance section is the most narrow place of connection sheet, has lesser section, is more than that current limit fuses.
In above scheme, the confluence piece be multiple layer metal compliant conductive piece constitute, including tab connecting pin, compliant section,
Confluence end, installation hole location.Every layer of metal flexible conductive sheet can flexible bending, there is satisfactory electrical conductivity, and can be as needed by phase
Adjacent multiple layer metal compliant conductive piece is integrated into single layer structure, and has certain rigidity.The tab connecting pin is the adjacent gold in part
Belong to compliant conductive piece and is integrated into single layer entirety, compliant section same metal compliant conductive piece corresponding with tab connecting pin, metal
Compliant conductive piece is that multilayered structure is not integrated, and the confluence end is that the single layer of all metal flexible conductive sheets integration is whole, described
Hole location is installed and is located at confluence end.
In above scheme, the heat sink constitutes compound entirety by aluminum substrate, plastic cement blend stop.Aluminium base board ends bending, modeling
Glue blend stop length and soft package lithium battery main part length are almost the same, and plastic cement blend stop height ratio (cell thickness-bound edge thickness)/
2 small 0.25~2mm.The heat sink is divided into unilateral heat sink A, unilateral heat sink B, Dual-side radiating plate, unilateral heat sink A and list
Only there is soft package lithium battery contact in side to side heat sink B, and there are soft package lithium battery contact in Dual-side radiating plate two sides.Wherein plastic cement blend stop
It being contacted with the bending of aluminium base board ends with the narrow side of the non-tab of soft package lithium battery, aluminum substrate is contacted with soft package lithium battery broad side surface,
Two adjacent heat sink plastic cement rib faces and the gap-ratio lithium battery big 0.5~4mm of bound edge thickness, keep away the bound edge of a soft package lithium battery
Soft package lithium battery main body is limited simultaneously.The soft package lithium battery of same layer is spaced from each other by the heat sink by plastic cement blend stop,
There are certain gaps, for divulging information or placing the devices such as cooling tube.
In above scheme, the upper bracket is fluted, keeps away the bound edge of a soft package lithium battery simultaneously to soft package lithium battery main body
Limit, depth of groove are greater than soft package lithium battery bound edge width, and recess width is 0.5~4mm bigger than soft package lithium battery bound edge thickness.On
Bracket is modular construction and substantially symmetrical about its central axis, is provided with rack mounting apertures, positioning pin, location hole, each upper bracket corresponds to n (n
>=1) a soft package lithium battery, can according to soft package lithium battery quantity and arrangement laterally or longitudinally be spliced, and pass through positioning pin,
Location hole is accurately positioned.
In above scheme, the lower bracket is fluted, keeps away the bound edge of a soft package lithium battery simultaneously to soft package lithium battery main body
Limit, depth of groove are greater than soft package lithium battery bound edge width, and recess width is 0.5~4mm bigger than soft package lithium battery bound edge thickness.Under
Bracket is modular construction, there is an end lower bracket and two kinds of middle part lower bracket, symmetrical centered on the lower bracket of middle part.Same layer two-phase
Adjacent bracket is chimeric to share same mounting hole, and lower bracket is provided with rack mounting apertures, positioning pin, location hole, each lower bracket
Corresponding m (m >=1) a soft package lithium battery can be spliced according to soft package lithium battery quantity and arrangement and laterally or longitudinally be spliced, and be led to
Cross positioning pin, location hole is accurately positioned.
In above scheme, side plate is structure as a whole, and two sides arrangement rectangle is protruded and is centrosymmetrically arranged, and is disposed with module peace
Fill hole.
The utility model using the above structure, compared with existing soft package lithium battery module, has the advantage that
1, compact-sized, effectively promote energy density.Conventional frame is cancelled, split type upper and lower bracket is changed to；Heat sink
Increase plastic cement blend stop, shelves compact dimensions are small and exquisite, and cooperation upper and lower bracket frame fixes soft package lithium battery, reached former frame
Function, but complicated installation is not needed, and quality is lighter.For the module using identical lithium battery and phase homogenous quantities, lithium electricity
Mass ratio shared by pond is higher, has higher energy density.
2, installation convenience, shock resistance is good, highly-safe.The elastic stretch section of the connection sheet is arc-shaped bend structure, tool
There is good elasticity, can meet single caused by the not high use condition of lithium battery position precision and the vibration of buffer battery module
Displacement between body battery, the connection sheet that connection sheet soft package lithium battery module uses has overload fusing mechanism, not against battery
The control system of packet can interrupt overload circuit, increase the safety guarantee of module.
3, modularization easily extends.The knot that used flexible bus piece is combined using single layer and nonconformity multi-layer phase is integrated
Structure, relative stiffness cylinder manifold, guarantee be electrically connected small resistance while, can flexible bending, be suitable for more JA(junction ambient)s, be applicable in
Property it is stronger, and modularization can be equally done, according to the assembly of busway quantity.Main body frame knot used in soft package lithium battery module
Structure, upper and lower bracket are modularized design, and the bracket of module entirety is spliced by multiple brackets, and bracket itself pin hole is realized
It is mutually located, and is bolted as entirety.The battery (such as 2,3 two kind of specification bracket) of the corresponding a small number of quantity of each bracket,
The bracket of a few specification is formed, the battery module of different size passes through several bracket arrangements and builds completion.Soft Roll lithium electricity
Pond module itself is module design, can be chimeric with other modules by side plate.
4, thermal diffusivity is good, and heat sink is contacted with soft package lithium battery.Wherein plastic cement blend stop and the bending of aluminium base board ends and Soft Roll
The narrow side of the non-tab of lithium battery contacts, and aluminum substrate is contacted with soft package lithium battery broad side surface, and two adjacent heat sink plastic cement ribs are kept away
The bound edge of position soft package lithium battery simultaneously limits soft package lithium battery main body, by plastic cement blend stop by the soft package lithium battery phase of same layer
It mutually separates, there are certain gaps to simplify structure, improve cooling efficiency for divulging information or placing the devices such as cooling tube.
5, at low cost.By cancel conventional frame, using modular rack realize produce in batches, directly reduce mold,
Master Cost.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the exploded view of this module.
Fig. 2 is the overall diagram of this module.
Fig. 3 is module single layer battery unit schematic diagram.
Fig. 4 is that module single layer splits schematic diagram.
Fig. 5 is battery and heat sink installation limit schematic diagram.
Fig. 6 is cell stacks schematic diagram.
Fig. 7 is battery and upper bracket installation limit schematic diagram.
Fig. 8 is battery and lower bracket installation limit schematic diagram.
Fig. 9 is lower bracket splicing schematic diagram.
Figure 10 is connection sheet structure chart.
Figure 11 is confluence slice mounting structure figure.
Figure 12 is module combo connection schematic diagram.
In figure, 010- soft package lithium battery module, 020- single layer battery unit, 030- module fixation hole, 100- Soft Roll lithium electricity
Pond, 101- battery pole ear, 105- battery bound edge, 200- side plate, 300- foam, 410- upper bracket, 450- lower bracket, the end 451-
Subordinate's bracket, the middle part 452- lower bracket, 461- bracket fixation hole, 470- bracket dowel pin and socket, 471- positioning pin, 472- positioning
Hole, 500- heat sink, 501- aluminum substrate, 502- plastic cement blend stop, the unilateral side 510- heat sink A, the unilateral side 520- heat sink B, 530-
Dual-side radiating plate, 600- connection sheet, 601- tab linkage section, 602- elastic stretch section, 603- wiring point, 604- insure section,
650- confluence piece, 651- tab linkage section, 652- compliant section, 653- confluence section, 654- install hole location, and 660- metal flexible is conductive
Piece, 911- fastening bolt, 912- nut, 920- fasten band.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and implement to having gone out detailed embodiment and specific operating process, but the protection scope of the utility model is unlimited
In following embodiments.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom" "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Soft package lithium battery module embodiments
This soft package lithium battery module embodiments as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, the embodiment soft package lithium battery module
(010) type be 4 strings 6 simultaneously, every layer of 4 soft package lithium battery (100) are composed in series a battery unit (020), totally 6 layers.Implement
Example soft package lithium battery module (010) includes soft package lithium battery (100), side plate (200), foam (300), upper bracket (410), lower branch
Frame (450), heat sink (500), connection sheet (600), confluence piece (650), fastening bolt (911) nut (912), fastening band
(920) structures such as；In every layer of battery unit (020), soft package lithium battery (100) tab (101) side and upper bracket (410) are right
It connects, the other side is docked with lower bracket (450), soft package lithium battery (100) front and the back side (i.e. two of soft package lithium battery (100)
Big face) contacted with heat sink (500), two sides are soft by the both ends bending of heat sink (500) and plastic cement blend stop (502) limit
Tab (101) connection is carried out by connection sheet (600) between packet lithium battery (100), passes through confluence between each layer battery unit (020)
Piece (650) realizes confluence.Side plate (200) is installed on module outermost and plays a supportive role, and posts foam on the inside of side plate (200)
(300), foam (300) thickness about 1~3mm is compressible, the foam other side and outside single side heat sink (510,520), upper bracket
(410), lower bracket (450) contacts；Side plate (200), foam (300), upper bracket (410), lower bracket (450), heat sink (500)
There is corresponding hole location, entire soft package lithium battery module (010) compresses by bolt (911) nut (912) and band (920) bundle
It pricks and fixes.
This soft package lithium battery module embodiments such as Fig. 4, Figure 10, soft package lithium battery (100) connection connection sheet (600) used
It is made of metal aluminium flake, thickness 0.2mm, 5~20mm of width, including tab linkage section (601), elastic stretch section (602), wiring
Point (603), insurance section (604).Insurance section (604) is located at the middle part of connection sheet (600), and two sides are disposed with elastic stretch
Section (602) and tab linkage section (601), wiring point (603) setting is between insurance section (604) and elastic stretch section (602).Pole
Ear linkage section (601) is connected and fixed with connected lithium battery pole ear (101)；The elastic stretch section (602) is arc-shaped bend knot
Structure has good elasticity, can meet the not high use condition of lithium battery position precision；Wiring point (603) is connection sheet (600)
Protrusion, for being electrically connected position, mountable voltage detecting line also can be used as parallel wire wiring point；Insuring section (604) is connection sheet
(600) most narrow place has lesser section, overload is caused to fuse more than design current, cuts off access.
This soft package lithium battery module embodiments as shown in Figure 1, Figure 2, Figure 11, the confluence piece (650) of soft package lithium battery module (010)
It is constituted for i layers of metal flexible conductive sheet (660), the multiple that the i is 6, every layer of metal flexible conductive sheet (660) can flexible bending
Song, conductive, each confluence piece (650) includes 6 tab connecting pins (651), 6 corresponding compliant sections (652), 1 remittance
End (653), 2 installation hole locations (654) are flowed, above-mentioned quantity can adjust according to demand.Tab connecting pin (651) is i/6 layers adjacent
Metal flexible conductive sheet (660) is compressed to single layer entirety；Compliant section (652) is corresponding with tab connecting pin (651), metal flexible
Property conductive sheet (660) be multilayered structure, do not integrate, can flexible bending；Converge end (653) for all metal flexible conductive sheets
(660) it is integrated into single layer entirety, the installation hole location (654) is located at confluence end (653).
This soft package lithium battery module embodiments such as Fig. 4, Fig. 5, Fig. 6, heat sink (500) include aluminum substrate (501), plastic cement gear
Item (502) composition, aluminium base board ends bending, plastic cement blend stop (502) length and soft package lithium battery (100) main part length are basic
Unanimously, plastic cement blend stop (502) is highly than (cell thickness-bound edge thickness)/2 small 0.25~2mm, plastic cement blend stop (502) and aluminium base
Plate (501) constitutes compound entirety.Heat sink (500) includes unilateral side heat sink A (510), unilateral side heat sink B (520), Dual-side radiating
(530) three kinds of plate, unilateral heat sink A (510) and unilateral side heat sink B (520) are only contacted side with soft package lithium battery (100), double
Side heat sink (530) two sides are contacted with soft package lithium battery (100).Wherein plastic cement blend stop (502) and aluminum substrate (501) both ends folding
Curved to contact limit with soft package lithium battery (100) narrow side of non-tab, aluminum substrate (501) connects with soft package lithium battery (100) broad side surface
Touching, two adjacent heat sink (500) plastic cement blend stops (502) are just opposite and gap-ratio lithium battery bound edge (105) thickness it is big by 0.5~
4mm, the bound edge (105) for keeping away a soft package lithium battery simultaneously limit soft package lithium battery main body.Heat sink (500) passes through plastic cement blend stop
(502) soft package lithium battery of same layer (100) are spaced apart, there are certain gaps, for divulging information or placing the dress such as cooling tube
It sets.
This soft package lithium battery module embodiments such as Fig. 2, Fig. 3, Fig. 4, Fig. 7, upper bracket (410) is fluted, keeps away a Soft Roll lithium
The bound edge (105) of battery (100) simultaneously limits soft package lithium battery (100) main body, and depth of groove is greater than soft package lithium battery bound edge
(105) width, recess width are 0.5~4mm bigger than soft package lithium battery bound edge (105) thickness.Be provided with rack mounting apertures (461),
Positioning pin (471), location hole (472).Upper bracket (410) is modular construction and structure centre is symmetrical, each upper bracket (410)
Corresponding n (n >=1) a soft package lithium battery (100) can laterally or longitudinally be spelled according to soft package lithium battery (100) quantity and arrangement
It connects, and is accurately positioned by positioning pin (471), location hole (472).
This soft package lithium battery module embodiments such as Fig. 2, Fig. 3, Fig. 4, Fig. 8, Fig. 9, lower bracket (450) is fluted, and it is soft to keep away position
The bound edge (105) of packet lithium battery (100) simultaneously limits soft package lithium battery (100) main body, and depth of groove is greater than soft package lithium battery
Bound edge (105) width, recess width are 0.5~4mm bigger than soft package lithium battery bound edge (105) thickness.It is provided with rack mounting apertures
(461), positioning pin (471), location hole (472).Lower bracket (450) is modular construction, there is end lower bracket (451) and middle part
(452) two kinds of lower bracket, symmetrical centered on middle part lower bracket (452), two adjacent stent of same layer is chimeric to share same mounting hole,
Nested position is with a thickness of backing thickness half.Corresponding m (m >=1) a soft package lithium battery (100) of each lower bracket (450), can root
Spliced according to soft package lithium battery (100) quantity and arrangement and laterally or longitudinally spliced, and passes through positioning pin (471), location hole
(472) it is accurately positioned.
This soft package lithium battery module embodiments as shown in Figure 1, Figure 2, Figure 12, side plate (200) is structure as a whole, and two sides are arranged rectangle
Protrusion, rectangle protrusion are centrosymmetrically arranged, and are disposed with module mounting hole (030).Intermodule can be protruded in groups by side plate rectangle
It requires mutually to be fitted into according to series-parallel, and is fixed module by module mounting hole (030).
The embodiment is the preferred embodiment of the utility model, but the utility model is not limited to above-mentioned embodiment party
Formula, without departing substantially from the substantive content of the utility model, those skilled in the art can be made any apparent
Improvement, replacement or modification belong to the protection scope of the utility model.
Claims (8)
1. a kind of soft package lithium battery module (010) for electric vehicle, which is characterized in that including soft package lithium battery (100), side plate
(200), foam (300), upper bracket (410), lower bracket (450), heat sink (500), connection sheet (600), confluence piece (650),
Fastening bolt (911) nut (912) and fastening band (920)；
The side of the tab (101) of the soft package lithium battery (100) is docked with upper bracket (410), the other side and lower bracket (450)
Docking, soft package lithium battery (100) front are contacted with heat sink (500) with the back side, pass through company between every layer of soft package lithium battery (100)
Contact pin (600) carries out tab (101) connection one battery unit (020) of composition, passes through confluence between each layer battery unit (020)
Piece (650) realizes confluence composition soft package lithium battery module (010)；
The side plate (200) is installed on soft package lithium battery module (010) outermost；The side plate (200), foam (300), upper branch
Frame (410), lower bracket (450), heat sink (500) have corresponding hole location, pass through bolt (911) nut (912) compression and band
(920) fixation is tied up.
2. soft package lithium battery module (010) according to claim 1, it is characterized in that being, the connection sheet (600) includes
Tab linkage section (601), elastic stretch section (602), wiring point (603) and insurance section (604)；The insurance section (604) is located at
The middle part of connection sheet (600), two sides are disposed with elastic stretch section (602) and tab linkage section (601), the wiring point
(603) setting is between insurance section (604) and elastic stretch section (602)；The tab linkage section (601) and connected lithium battery
Tab (101) is connected and fixed；The elastic stretch section (602) is arc-shaped bend structure, has good elasticity；Wiring point
It (603) is the protrusion of connection sheet (600), for being electrically connected；Insuring section (604) is connection sheet (600) most narrow place, is had the smallest
Section is more than that current limit fuses.
3. soft package lithium battery module (010) according to claim 1, it is characterized in that being, the confluence piece (650) is more
Layer metal flexible conductive sheet (660) be laminated constitute, including tab connecting pin (651), compliant section (652), confluence end (653) and
It installs hole location (654)；Every layer of metal flexible conductive sheet (660) can flexible bending；The tab connecting pin (651) is that part is adjacent
Single layer made of metal flexible conductive sheet (660) integration is whole；The compliant section (652) is corresponding with tab connecting pin (651)
Compliant conductive piece (660) constitute, wherein metal flexible conductive sheet (660) is the multilayered structure that do not integrate；The confluence end
(653) single layer for the integration of all metal flexible conductive sheets (660) is whole, and the installation hole location (654) is located at confluence end
(653)。
4. soft package lithium battery module (010) according to claim 1, it is characterized in that being, the heat sink (500) is by aluminium
Substrate (501), plastic cement blend stop (502) constitute compound entirety；Aluminum substrate (501) both ends bending, plastic cement blend stop (502) length with it is soft
Packet lithium battery (100) main part length is almost the same, and plastic cement blend stop (502) is highly smaller than (cell thickness-bound edge thickness)/2.
5. soft package lithium battery module (010) according to claim 1, it is characterized in that being, the heat sink (500) includes
Unilateral heat sink A (510), unilateral side heat sink B (520), Dual-side radiating plate (530), unilateral heat sink A (510) and unilateral heat dissipation
Only there is soft package lithium battery (100) contact in side to plate B (520), and Dual-side radiating plate (530) two sides have soft package lithium battery (100) to connect
Touching；Wherein plastic cement blend stop (502) and aluminum substrate (501) both ends bending are contacted with the narrow side of soft package lithium battery (100) non-tab,
Aluminum substrate (501) is contacted with soft package lithium battery (100) broad side surface, two adjacent heat sink (500) plastic cement blend stop (502) faces and
Gap is bigger than lithium battery bound edge (105) thickness, and the bound edge (105) for keeping away a soft package lithium battery simultaneously limits soft package lithium battery main body；
The soft package lithium battery (100) of same layer is spaced from each other by the heat sink (500) by plastic cement blend stop (502), and there are certain
Gap, for divulging information or placing cooling tube.
6. module (010) according to claim 1, it is characterized in that being, the upper bracket (410) is fluted, it is soft to keep away position
The bound edge (105) of packet lithium battery (100) simultaneously limits soft package lithium battery (100) main body, and depth of groove is greater than soft package lithium battery
Bound edge (105) width, recess width are bigger than soft package lithium battery bound edge (105) thickness；The upper bracket (410) is modular construction
And it is substantially symmetrical about its central axis, it is provided with rack mounting apertures (461), positioning pin (471), location hole (472), each upper bracket (410) is right
It answers n soft package lithium battery (100), n >=1, can laterally or longitudinally be spliced according to soft package lithium battery (100) quantity and arrangement,
And it is accurately positioned by positioning pin (471), location hole (472).
7. module (010) according to claim 1, it is characterized in that being, the lower bracket (450) is fluted, it is soft to keep away position
The bound edge (105) of packet lithium battery (100) simultaneously limits soft package lithium battery (100) main body, and depth of groove is greater than soft package lithium battery
Bound edge (105) width, recess width are bigger than soft package lithium battery bound edge (105) thickness；The lower bracket (450) is modularization knot
Structure, including end lower bracket (451) and middle part lower bracket (452), symmetrical centered on middle part lower bracket (452), same layer two-phase
Adjacent bracket is chimeric to share same mounting hole, and lower bracket (450) has setting rack mounting apertures (461), positioning pin (471), positioning
Hole (472), the corresponding m soft package lithium battery (100) of each lower bracket (450), m >=1, according to soft package lithium battery (100) quantity and
Arrangement, which is spliced, laterally or longitudinally splices, and is accurately positioned by positioning pin (471), location hole (472).
8. module (010) according to claim 1, it is characterized in that being, side plate (200) is structure as a whole, two sides arrangement
Rectangle is protruded and is centrosymmetrically arranged, and is posted foam (300) on the inside of the side plate (200), foam (300) other side and heat sink
(500), upper bracket (410), lower bracket (450) contact.
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| CN201821601275.0U CN209071408U (en) | 2018-09-29 | 2018-09-29 | A kind of soft package lithium battery module for electric vehicle |
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| CN201821601275.0U CN209071408U (en) | 2018-09-29 | 2018-09-29 | A kind of soft package lithium battery module for electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192913A (en) * | 2018-09-29 | 2019-01-11 | 湖南隆玛科技有限公司 | A kind of soft package lithium battery module for electric vehicle |
| WO2022065700A1 (en) * | 2020-09-22 | 2022-03-31 | 주식회사 엘지에너지솔루션 | Battery pack having battery cell with enhanced lifespan, and device including same |
-
2018
- 2018-09-29 CN CN201821601275.0U patent/CN209071408U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192913A (en) * | 2018-09-29 | 2019-01-11 | 湖南隆玛科技有限公司 | A kind of soft package lithium battery module for electric vehicle |
| CN109192913B (en) * | 2018-09-29 | 2021-06-22 | 湖南隆玛科技有限公司 | Soft package lithium battery module for electric automobile |
| WO2022065700A1 (en) * | 2020-09-22 | 2022-03-31 | 주식회사 엘지에너지솔루션 | Battery pack having battery cell with enhanced lifespan, and device including same |
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