CN109742304A - A kind of power battery module and electric vehicle - Google Patents
A kind of power battery module and electric vehicle Download PDFInfo
- Publication number
- CN109742304A CN109742304A CN201811638040.3A CN201811638040A CN109742304A CN 109742304 A CN109742304 A CN 109742304A CN 201811638040 A CN201811638040 A CN 201811638040A CN 109742304 A CN109742304 A CN 109742304A
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- Prior art keywords
- power battery
- battery module
- soft pack
- pack cell
- several
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- 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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Links
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 22
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 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
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of power battery module and electric vehicle, power battery module includes: several soft pack cell groups, and each soft pack cell group includes several soft pack cells;Several substrates, each soft pack cell correspondence are positioned into a substrate;Several positioning mountings, each positioning mounting and a soft pack cell are cooperatively connected, and the tab on soft pack cell can be fixed;Several confluence pieces, each confluence piece and a positioning mounting are cooperatively connected, the linear arrangement respectively of the anode ear and negative electrode lug of each soft pack cell, and it is connected in parallel to form soft pack cell group by the piece that converges respectively, respectively by confluence piece series connection between each soft pack cell group, electric vehicle is interior to be equipped with above-mentioned power battery module.Present invention positioning is easy, easy to operate, it is easy to accomplish automation;Better adaptability is welded, the yields of product is higher;The welding of multiple tabs and busbar connector can be achieved, it is high-efficient;It is suitable for high current charge-discharge requirement.
Description
Technical field
The present invention relates to technical field of lithium batteries, and in particular to a kind of power battery module and electric vehicle.
Background technique
New-energy automobile is the center and direction of automobile industry future development.Lithium-ion-power cell is in the form of battery pack
It is widely deployed new-energy automobile, provides power for new-energy automobile.Soft-package battery have it is small in size, light-weight, than energy
A variety of advantages such as high, highly-safe, flexible design are measured, more and more new-energy automobile manufacturers start using soft-package battery.By
It is limited in the general monomer capacity of soft-package battery, it needs by multiple battery cores in series and parallel at being used after mould group, to reach new-energy automobile
Job requirement.
Soft-package battery mould group is general there are two types of mode in groups, and one kind is wave, and another burst mode is day word formula.
Wave busbar connector burst mode there are the shortcomings that have:
(1) in the groove for needing for tab to be inserted into waveform busbar connector in actual production process one by one, employee's operation
Difficulty, production efficiency is low, is unfavorable for realizing automated production;
(2) existing scheme is very high to the coherence request of tab length, and welding quality is difficult to be effectively ensured and control, and holds
It is low easily to there is problems of welded quality, the yields such as rosin joint, not connected.
Day word formula busbar connector burst mode there are the shortcomings that have:
(1) it needs to increase fixture when welding and successively carries out compression positioning, to ensure the lug and strap closely company of patch, simultaneously
Series-parallel flexibility is poor;
(2) effectively area of passage is limited, and as high current charge-discharge requires higher and higher, the applicability of which will be by
To limitation.
Summary of the invention
The present invention to solve the above-mentioned problems, to provide a kind of power battery module and electric vehicle.
In order to achieve the above objectives, technical scheme is as follows:
A kind of power battery module, the power battery module include:
Several soft pack cell groups, each soft pack cell group include several soft pack cells;
Several substrates, each soft pack cell correspondence are positioned into a substrate;
Several positioning mountings, each positioning mounting and a soft pack cell are cooperatively connected, and can be to soft pack cell
On tab be fixed;
Several confluence pieces, each confluence piece and a positioning mounting are cooperatively connected, the anode ear of each soft pack cell
It is linearly arranged respectively with negative electrode lug, and is connected in parallel to form soft pack cell group by the piece that converges respectively, each soft pack cell
Power battery module is formed by confluence piece series connection respectively between group.
In a preferred embodiment of the invention, the substrate is an aluminium sheet, and the soft pack cell is removably assigned
In aluminium sheet.
In a preferred embodiment of the invention, the power battery module further includes several bottom brackets, each
A bottom bracket is arranged in soft pack cell bottom.
In a preferred embodiment of the invention, the positioning mounting is equipped with boss and inserts, on the boss
Equipped with groove, the confluence piece can be assigned into groove.
In a preferred embodiment of the invention, the power battery module further includes several insulation fasteners, every phase
An insulation fastener is set between adjacent two confluence pieces, the insulation fastener can be assigned into groove.
In a preferred embodiment of the invention, the power battery module further includes anode outlet confluence piece and cathode
Outlet confluence piece, anode outlet confluence piece and cathode outlet confluence piece respectively constitute the positive terminal and cathode of power battery module
Terminal, anode outlet confluence piece and cathode outlet confluence on piece are respectively equipped with connecting hole.
In a preferred embodiment of the invention, the confluence on piece is equipped with several welding grooves and angle.
In a preferred embodiment of the invention, power battery module further includes two side fixed baffles, the two sides
Fixed baffle is located at power battery module two sides.
In a preferred embodiment of the invention, the power battery module further includes protective cover, and the protection is provide with
It sets in the top of power battery module.
A kind of electric vehicle, the electric vehicle are interior equipped with power battery module described in any one of claim 1-9.
The beneficial effects of the present invention are:
(1) different from waveform busbar connector mounting means, the present invention in confluence piece installed after mould composing type, do not need by
Tab is inserted into busbar connector groove, and positioning is easy, easy to operate in actual production process, it is easy to accomplish automation;
(2) compared with waveform busbar connector welding manner, tab fitted position essence before the welding manner butt welding in the present invention
Degree requires to reduce, and the tab installation dimension margin of tolerance expands, and welds better adaptability, and the yields of product is higher;
(3) fixture, which once compresses, compared with stud busbar connector welding manner, when welding in the present invention can be achieved multiple poles
The welding of ear and busbar connector, it is high-efficient;
(4) compared with stud busbar connector welding manner, the effective area of passage of busbar connector is big in the present invention, is suitable for high current
Charge-discharge power demand.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the tab of soft pack cell and the welding schematic diagram of confluence piece.
Fig. 3 is the structural schematic diagram of the tab of soft pack cell.
Fig. 4 is the structural schematic diagram of confluence piece.
Fig. 5 is the structural schematic diagram of positioning mounting.
Fig. 6 is the structural schematic diagram of anode outlet confluence piece.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1 to Fig. 6, power battery module provided by the invention comprising several soft pack cell groups 100, several
A substrate 200, several positioning mountings 300 and several confluence pieces 400.
Each soft pack cell group 100 includes several soft pack cells 110, the arrangement of these 110 through-thickness of soft pack cell
Arrangement.
Substrate 200 is specially an aluminium sheet, is equipped with resettlement groove above it, and soft pack cell 110 can be assigned into resettlement groove,
It is to be protected for the side to soft pack cell 110.
It is for the bottom to soft pack cell 110 in addition, being equipped with bottom bracket 120 in the bottom of each soft pack cell 110
It is protected and is supported in portion.
Furthermore foam 130 is equipped on the side of each soft pack cell 110, foam 130 is for guaranteeing soft pack cell
There is cushion performance between 110, prevent soft pack cell 110 from damaging by pressure.
Tab on soft pack cell 110 is bending-like, and wherein anode ear 111 is made of aluminum material, and negative electrode lug 112 by
Copper turns aluminum material and is made.
The top of soft pack cell 110 is arranged in positioning mounting 300, is for positioning to soft pack cell 110
It is fixed with to the tab on soft pack cell 110.
Boss 310,111 linear array of anode ear on each soft pack cell 110 are equipped on each positioning mounting 300
Afterwards, it can be limited by boss 310, prevent contact short circuit.
Groove 311 is equipped on boss 310, groove 311 is for installing and fixing confluence piece 400.
Several confluence pieces 400, each confluence piece 400 can correspond to the groove 311 assigned on a positioning mounting 300
It is interior, the linear arrangement respectively of the anode ear 111 and negative electrode lug 112 of each soft pack cell 110, and respectively by converging piece 400 simultaneously
It is linked togather to form soft pack cell group 100, can be connected, be formed by confluence piece 400 respectively again between each soft pack cell group 100
Power battery module.
Two or more Material claddings in the confluence specific aluminium of piece 400 and aluminium alloy, nickel and nickel alloy are prepared, in this way
When convenient for welding, confluence piece 400 is bonded closely with tab, it is ensured that welding quality.
Several welding grooves 410 and angle 420 are equipped on confluence piece 400.
Welding groove 410 is for positioning welding position, consequently facilitating the welding between confluence piece 400 and tab.
Angle 420 is the installation positioning for the piece 400 that converges, consequently facilitating the Fast Installation of confluence piece 400.
It is additionally provided with inserts 320 on each positioning mounting 300, is easy for the welding of tab on soft pack cell 110, it is soft
Tab in packet battery core 110 can be directly born against above the inserts 320 of positioning mounting 300 after folding by confluence piece 400, then directly
Tap into capable welding, so that confluence piece 400, tab, 320 three of inserts are linked together, be greatly improved in this way welding efficiency and
Welding precision.
In addition, the tab of more than one soft pack cell 110 can also be folded in the inserts of a positioning mounting 300
It above 320, is then directly welded, so that confluence piece 400, tab, 320 three of inserts are linked together, is welded so non-
It is often convenient.
The application further includes several insulation fasteners 500, and an insulation fastener is arranged between each adjacent two confluence piece 400
500, and the fastener 500 that insulate can directly be assigned into groove 311, and be located at 400 top of confluence piece.
Insulation fastener 500 is to separate to insulate for the piece 400 that will converge, while can also compress confluence piece 400,
Improve the stability of confluence piece 400.
The application further includes two side fixed baffles 600, the two side fixed baffles 600 are located at power battery module two
Side is protected for the both ends to the power battery module after assembling.
In addition, the application further includes several protective covers 700, the power after assembling is arranged in these protective covers 700
The top of battery modules, for being protected to positioning mounting 300 and confluence piece 400, it may also be used for dust-proof.
Furthermore the application further includes anode outlet confluence piece 810 and cathode outlet confluence piece 820, anode outlet confluence piece
810 and cathode outlet confluence piece 820 respectively constitute the positive terminal and negative terminal of power battery module.
It is exported in anode and is respectively equipped with connecting hole 830 on confluence piece 810 and cathode outlet confluence piece 820, for realizing this
Application is electrically connected with other anode and cathode terminals.
Implementation based on above scheme, disclosed herein as well is a kind of electric vehicles, are equipped in electric vehicle disclosed above
Power battery module.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of power battery module, which is characterized in that the power battery module includes:
Several soft pack cell groups, each soft pack cell group include several soft pack cells;
Several substrates, each soft pack cell correspondence are positioned into a substrate;
Several positioning mountings, each positioning mounting and a soft pack cell are cooperatively connected, and can be on soft pack cell
Tab is fixed;
Several confluence pieces, each confluence piece are cooperatively connected with positioning mounting, the anode ear of each soft pack cell with bear
Tab linear arrangement respectively, and be connected in parallel to form soft pack cell group by confluence piece respectively, each soft pack cell group it
Between respectively by confluence piece series connection, formed power battery module.
2. a kind of power battery module according to claim 1, which is characterized in that the substrate is an aluminium sheet, described soft
Packet battery core removably assigns into aluminium sheet.
3. a kind of power battery module according to claim 1, which is characterized in that if the power battery module further includes
Dry bottom bracket, a bottom bracket is arranged in each soft pack cell bottom.
4. a kind of power battery module according to claim 1, which is characterized in that the positioning mounting is equipped with boss
And inserts, the boss are equipped with groove, the confluence piece can be assigned into groove.
5. a kind of power battery module according to claim 4, which is characterized in that if the power battery module further includes
An insulation fastener is done, an insulation fastener is set between each adjacent two confluence piece, the insulation fastener can be assigned into groove.
6. a kind of power battery module according to claim 1, which is characterized in that the power battery module further includes just
Pole outlet confluence piece and cathode outlet confluence piece, anode outlet confluence piece and cathode outlet confluence piece respectively constitute power battery mould
The positive terminal and negative terminal of group, anode outlet confluence piece and cathode outlet confluence on piece are respectively equipped with connecting hole.
7. a kind of power battery module according to claim 1, which is characterized in that the confluence on piece is equipped with several welderings
Connect groove and angle.
8. a kind of power battery module according to claim 1, which is characterized in that power battery module further includes two sides
Fixed baffle, the two side fixed baffles are located at power battery module two sides.
9. a kind of power battery module according to claim 1, which is characterized in that the power battery module further includes protecting
The top of power battery module is arranged in shield, the protective cover.
10. a kind of electric vehicle, which is characterized in that equipped with power described in any one of claim 1-9 in the electric vehicle
Battery modules.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811638040.3A CN109742304A (en) | 2018-12-29 | 2018-12-29 | A kind of power battery module and electric vehicle |
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CN201811638040.3A CN109742304A (en) | 2018-12-29 | 2018-12-29 | A kind of power battery module and electric vehicle |
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Family
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CN201811638040.3A Pending CN109742304A (en) | 2018-12-29 | 2018-12-29 | A kind of power battery module and electric vehicle |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110993873A (en) * | 2019-12-28 | 2020-04-10 | 广州宝狮新能源有限公司 | Soft-package battery cell assembling device, soft-package battery cell module and method for assembling soft-package battery cell module |
CN113385884A (en) * | 2021-05-28 | 2021-09-14 | 浙江天能电池(江苏)有限公司 | Method for repairing storage battery busbar with direct-connected structure |
WO2021217968A1 (en) * | 2020-04-30 | 2021-11-04 | 昆山宝创新能源科技有限公司 | Folding battery pack and vehicle |
CN114335913A (en) * | 2021-12-29 | 2022-04-12 | 贵州梅岭电源有限公司 | Parallel and series connection structure of high-power soft package battery |
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CN113385884A (en) * | 2021-05-28 | 2021-09-14 | 浙江天能电池(江苏)有限公司 | Method for repairing storage battery busbar with direct-connected structure |
CN114335913A (en) * | 2021-12-29 | 2022-04-12 | 贵州梅岭电源有限公司 | Parallel and series connection structure of high-power soft package battery |
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