CN208014836U - A kind of soft package lithium battery group package assembly - Google Patents
A kind of soft package lithium battery group package assembly Download PDFInfo
- Publication number
- CN208014836U CN208014836U CN201820587249.0U CN201820587249U CN208014836U CN 208014836 U CN208014836 U CN 208014836U CN 201820587249 U CN201820587249 U CN 201820587249U CN 208014836 U CN208014836 U CN 208014836U
- Authority
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- China
- Prior art keywords
- battery
- partition board
- modules
- soft package
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 29
- 238000005452 bending Methods 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007789 sealing Methods 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
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model is related to a kind of soft package lithium battery group package assemblies, including battery cell, partition board, connecting plate, fixed plate, multiple battery pack connection units stack setting, each battery pack connection unit includes two battery assembly modules and a connecting plate, is fixed by connecting plate between two battery assembly modules;Each battery assembly module is made of two rows of battery modules, the partition board being set between two rows of battery modules and the fixed plate for being set to battery module another side, often row's battery module is composed in series by the tiling of several battery cells, the pole piece to tile in soft package lithium battery group on concatenated battery cell is not required to bending, using copper bar laser welding, the adjacent two rows concatenated pole piece of battery module is connected by screw bolts.The utility model reduces the workload of pole piece trepanning and bending, improves work efficiency;The problem of each tiling battery module individually welds, laser breakdown battery is not present, improves the safety of cell assembling processes, ensure that the quality of battery pack.
Description
Technical field
The utility model is related to batteries to assemble technical field, specifically a kind of soft package lithium battery group package assembly.
Background technology
Soft package lithium battery uses laminated aluminum film usually in structure, is in rectangular shape, and positive and negative anodes are drawn in sealing part
Piece or polar curve.In production process, the common assembling form of soft package lithium battery has the mixing of superposition, tiling or both.Superposition group
In dress form, polylith battery linearly stacks, and needs to fully consider the heat dissipation between battery, generally folded up between battery cooling pad or
Person's heat conduction baffle.It is superimposed in assembling form, generally use laser welding or is bolted, laser welding between battery series connection pole piece
See Fig. 6, is bolted and sees Fig. 7.Using laser welding, pole piece needs bending, if misoperation, laser is easy breakdown battery pack
Dress causes battery leakage accident;When being bolted, pole piece needs trepanning and bending, and in stack assembly form, number of batteries is more,
For both welding manners since operating process is more complicated, one side operation difficulty is big, and another aspect additional process steps are more,
For example, folding up cooling pad or heat-conducting plate, pole piece trepanning or bending etc. between battery, this affects battery pack to a certain extent
The production efficiency of dress.
Invention content
To overcome the problems, such as in the assembling of existing soft package lithium battery group that safety is high, low production efficiency, the utility model carries
Go out a kind of soft package lithium battery group package assembly, using tiling battery assembling form, polylith battery cell shares one piece of partition board, reduces
The quantity of partition board, concatenated battery pole piece use copper bar laser welding, are not required to bending, reduce assembly manipulation and raw material add
Number amount and operating procedure, improve work efficiency;Since each tiling battery module individually welds, there is no laser breakdown electricity
The problem of pond, the safety of cell assembling processes is improved, and ensure that the quality of battery pack.
The purpose of this utility model and its technical problem is solved using following technical scheme to realize.According to this practicality
A kind of soft package lithium battery group package assembly of novel proposition, including battery cell, partition board, connecting plate, fixed plate, it is characterised in that
The soft package lithium battery group stacks setting by multiple battery pack connection units and is formed, and each battery pack connection unit includes two electricity
Pond group unit and a connecting plate are fixed by connecting plate between two battery assembly modules;
Each battery assembly module is made of two rows of battery modules, a partition board and two fixed plates, and it is equal often to arrange battery module
It is composed in series by the tiling of several battery cells, wherein two rows of battery modules stack setting, and partition board is set to two rows of battery modules
Between, two fixed plates are respectively arranged at the other side face of two rows of battery modules, between battery module and partition board or fixed plate
It is adhesively fixed;
Specifically, it is provided with the first screw hole on the partition board, the second screw hole and third screw hole are provided on connecting plate, it is fixed
It is provided with unthreaded hole on plate, and first screw hole, the second screw hole, unthreaded hole are correspondingly arranged, passes through spiral shell between two battery assembly modules
It tethers the first screw hole, the second screw hole, unthreaded hole for connecing and being correspondingly arranged to be fixed, forms a battery pack connection unit;
Pole piece in the soft package lithium battery group in same row's battery module on the concatenated battery cell of tiling is not required to bending,
Directly use copper bar laser welding, it is adjacent two rows battery modules between concatenated pole piece be connected by screw bolts.
It the purpose of this utility model and solves its technical problem following technical scheme also can be used to further realize.
A kind of soft package lithium battery group package assembly above-mentioned, wherein the partition board is rectangle, and the first screw hole is set to partition board
Four angles at.
A kind of soft package lithium battery group package assembly above-mentioned, wherein the cross section of the connecting plate is in " Contraband " type.
A kind of soft package lithium battery group package assembly above-mentioned, wherein offered in the fixed plate and place the battery mould
The groove and support plate of block.
A kind of soft package lithium battery group package assembly above-mentioned, wherein the third screw hole being inserted on connecting plate by bolt makes
The soft package lithium battery group is fixed in battery outer box body.
The utility model has the beneficial effects that:
(1) in the package assembly of the utility model, polylith battery cell shares one piece of partition board, relative to traditional superposition group
Assembling structure, the utility model reduce partition board quantity, reduce assembly manipulation and raw material processing quantity and operation, but do not drop
Its low heat-sinking capability.
(2) copper bar laser welding, battery pole piece is used to be not required to bending operation between the concatenated battery pole piece of tiling, and due to only
Concatenated pole piece is connected by screw bolts between having adjacent battery modules, is greatly reduced the workload of pole piece trepanning and bending, is carried
High working efficiency.
(3) the problem of each tiling battery module individually welds, laser breakdown battery is not present, improves battery and assembled
The safety of journey ensure that the quality of battery pack.It was verified that the battery working performance table assembled using the utility model structure
It is now good.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be clearer and more comprehensible with advantage, special below to lift preferred embodiment, detailed description are as follows.
Description of the drawings
Fig. 1 is the structural schematic diagram of single battery group connection unit;
Fig. 2 is the structural schematic diagram that the soft package lithium battery group that setting is formed is stacked by three battery pack connection units;
Fig. 3 is the structural schematic diagram of the soft package lithium battery group formed by two rows of battery modules;
Fig. 4 is the structure chart of connecting plate;
Fig. 5 is the structure chart of fixed plate;
Fig. 6 is the package assembly of existing soft package lithium battery superposing type pole piece bending laser welding;
Fig. 7 is that bolted package assembly is punched in existing soft package lithium battery superposing type pole piece bending.
【Element and symbol description】
1:Battery cell 2:Partition board 3:Connecting plate 4:Fixed plate 5:Groove
6:Support plate 7:Copper bar
21:First screw hole 31:Second screw hole 32:Third screw hole 41:Unthreaded hole
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined goal of the invention is taken, below
In conjunction with preferred embodiment, to according to the utility model proposes, specific implementation mode, feature and its effect are described in detail such as
Afterwards.
The soft package lithium battery group that original linear stacking form assembles is designed to tiling spread pattern by the utility model,
The tiling arranged in series shape battery module in a row of polylith battery cell 1, two rows of battery modules stack setting, and centre is provided with partition board
2, another side for often arranging battery module is provided with fixed plate 4, forms a battery assembly module, often arranges battery module and is wrapped
It is wrapped between partition board and fixed plate.Two identical battery assembly module levels are superposed, and centre is fixed by connecting plate 3, shape
At a battery pack connection unit.Specifically connection type is:It is provided with the first screw hole 21 on partition board 2, is provided on connecting plate 3
Two screw holes 31 and third screw hole 32 are provided with unthreaded hole 41 in fixed plate 4, and the first screw hole 21, the second screw hole 31, unthreaded hole 41 correspond to
It is arranged, the first screw hole 21, the second screw hole 31, unthreaded hole being correspondingly arranged is bolted between two identical battery assembly modules
41 are fixed, and form a battery pack connection unit, as shown in Figure 1, the battery pack connection unit that fixes of assembling passes through the
Three screw holes 32 are fixed with battery outer box body.
According to actual conditions, if only needing a battery pack connection unit, directly single battery group connection unit is led to
Third screw hole 32 is crossed to fix with battery outer box body.When the battery capacity of needs is larger, using multiple battery pack connection unit heaps
Folded setting, as shown in Fig. 2, stacking setting shape by three battery pack connection units (i.e. 6 battery assembly modules, 12 row's battery modules)
At, be not required to fix between adjacent battery pack connection unit, only need to each battery pack connection unit individually be passed through into third screw hole
32 are fixed on battery outer box body.
Preferably, partition board 2 can be round rectangle, the first screw hole 21 is set at four angles of partition board, as shown in Figure 3;
The cross section of connecting plate 3 is in " Contraband " type, and there are four the second screw hole 31 and two third screw holes 32, position such as Fig. 4 on connecting plate
It is shown;The groove 5 and support plate 6 for placing the battery module are offered in fixed plate 4, as shown in figure 5, unthreaded hole 41 is set to admittedly
At four angles of fixed board.
When soft package lithium battery group only needs two rows of battery module formation, connection structure is as shown in figure 3, often arrange battery mould
The both sides of block are respectively arranged with partition board and fixed plate, and two rows of battery modules stack setting, and respective fixed plate is made to be located at two rows of electricity
Between the module of pond, respective partition board is located at the outside of battery module, is connected two fixed plates with two partition boards by connecting plate 3
Together, the third screw hole 32 on connecting plate 3 makes assembled soft package lithium battery group be fixed with battery outer box body.
In the package assembly of the utility model, the pole piece of the battery cell of series connection tiling does not have to folding in same row's battery module
It is curved, directly use copper bar laser welding, only between the battery module for stacking setting concatenated pole piece by bolt welding, this
Sample greatly reduces the workload of pole piece bending and trepanning, greatly improves packaging efficiency;Due to each tiling battery module
The problem of individually welding, there is no laser breakdown batteries, the safety of cell assembling processes is improved, ensure that the matter of battery pack
Amount.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not limited to the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (5)
1. a kind of soft package lithium battery group package assembly, including battery cell (1), partition board (2), connecting plate (3), fixed plate (4),
It is characterized in that the soft package lithium battery group stacks setting by multiple battery pack connection units and formed, each battery pack connection unit packet
Two battery assembly modules and a connecting plate (3) are included, are fixed by connecting plate (3) between two battery assembly modules;
Each battery assembly module is made of two rows of battery modules, a partition board (2) and two fixed plates (4), often arranges battery module
It is composed in series by the tiling of several battery cells (1), wherein two rows of battery modules stack setting, and partition board (2) is set to two rows
Between battery module, two fixed plates (4) are respectively arranged at the other side face of two rows of battery modules, battery module and partition board or
It is adhesively fixed between fixed plate;
Specifically, it is provided with the first screw hole (21) on the partition board (2), the second screw hole (31) and is provided on connecting plate (3)
Three screw holes (32) are provided with unthreaded hole (41), and first screw hole (21), the second screw hole (31), unthreaded hole (41) in fixed plate (4)
It is correspondingly arranged, the first screw hole (21), the second screw hole (31), light being correspondingly arranged is bolted between two battery assembly modules
Hole (41) is fixed, and forms a battery pack connection unit;
Pole piece in the soft package lithium battery group in same row's battery module on the concatenated battery cell (1) of tiling is not required to bending,
Directly use copper bar laser welding, it is adjacent two rows battery modules between concatenated pole piece be connected by screw bolts.
2. a kind of soft package lithium battery group package assembly as described in claim 1, it is characterised in that the partition board (2) is rectangle,
First screw hole (21) is set at four angles of partition board (2).
3. a kind of soft package lithium battery group package assembly as described in claim 1, it is characterised in that the connecting plate (3) it is transversal
Face is in " Contraband " type.
4. a kind of soft package lithium battery group package assembly as described in claim 1, it is characterised in that opened up on the fixed plate (4)
There are the groove (5) and support plate (6) for placing the battery module.
5. a kind of soft package lithium battery group package assembly as described in claim 1, it is characterised in that be inserted into connecting plate by bolt
On third screw hole (32) so that the soft package lithium battery group is fixed in battery outer box body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820587249.0U CN208014836U (en) | 2018-04-23 | 2018-04-23 | A kind of soft package lithium battery group package assembly |
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CN201820587249.0U CN208014836U (en) | 2018-04-23 | 2018-04-23 | A kind of soft package lithium battery group package assembly |
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CN208014836U true CN208014836U (en) | 2018-10-26 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111468827A (en) * | 2020-03-31 | 2020-07-31 | 天津荣盛盟固利新能源科技有限公司 | Soft-package battery module tab welding method and welding structure |
WO2021098440A1 (en) * | 2019-11-18 | 2021-05-27 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
KR20230015253A (en) * | 2021-07-21 | 2023-01-31 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Battery, power consumption device, battery manufacturing method and device |
-
2018
- 2018-04-23 CN CN201820587249.0U patent/CN208014836U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021098440A1 (en) * | 2019-11-18 | 2021-05-27 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
CN111468827A (en) * | 2020-03-31 | 2020-07-31 | 天津荣盛盟固利新能源科技有限公司 | Soft-package battery module tab welding method and welding structure |
KR20230015253A (en) * | 2021-07-21 | 2023-01-31 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Battery, power consumption device, battery manufacturing method and device |
KR102613200B1 (en) * | 2021-07-21 | 2023-12-12 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Battery, power consumption device, battery manufacturing method and device |
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TR01 | Transfer of patent right |
Effective date of registration: 20231221 Address after: Workshop 3, Medical Device Industrial Park, Chenwang Street Office, Juancheng County, Heze City, Shandong Province, 274600 Patentee after: Shandong Xinguang New Energy Development Co.,Ltd. Address before: 471003 room 602, block D, torch Park, Yanguang Road, high tech Zone, Luoyang area, China (Henan) pilot Free Trade Zone, Luoyang City, Henan Province Patentee before: LUOYANG XINGUANG LITHIUM TECHNOLOGY Co.,Ltd. |