CN206076350U - A kind of battery case and its lithium battery module and single module - Google Patents
A kind of battery case and its lithium battery module and single module Download PDFInfo
- Publication number
- CN206076350U CN206076350U CN201620965953.6U CN201620965953U CN206076350U CN 206076350 U CN206076350 U CN 206076350U CN 201620965953 U CN201620965953 U CN 201620965953U CN 206076350 U CN206076350 U CN 206076350U
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- out piece
- lithium battery
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- leading
- single module
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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 discloses a kind of battery case and its lithium battery module and single module, wherein lithium battery single module includes multiple battery units being stacked together and positive pole leading-out piece, negative pole leading-out piece, each battery unit includes snap gauge and the battery core on snap gauge, the anode ear of each battery core, negative electrode lug are fixed together by described positive pole leading-out piece, negative pole leading-out piece respectively, and lithium battery single module also includes the both positive and negative polarity fixture being fixed to the position of positive pole leading-out piece, negative pole leading-out piece.This utility model is welded on multiple cell polar ears on corresponding positive and negative electrode leading-out piece, and positive and negative electrode leading-out piece is fixed on single module by both positive and negative polarity fixture, it is ensured that stability of the cell polar ear in vibration processes.
Description
Technical field
This utility model is related to technical field of lithium batteries, more particularly to a kind of battery case and its lithium battery module and single mode
Block.
Background technology
Lithium ion battery has that lightweight, energy storage is big, power is big, pollution-free, life-span length, self discharge coefficient are little, temperature is fitted
The advantages of answering scope wide, therefore gradually favored by people, also gradually instead of in energy storage and electrokinetic cell field other
Conventional batteries.
For soft package lithium battery, in order to meet the need of electrokinetic cell and energy-storage system battery high voltage and high-energy
Will, it usually needs some lithium ion batteries are carried out into serial or parallel connection.So needing a kind of safely and efficiently lithium battery module knot
Structure, the connection in series-parallel and module for lithium battery are fixed.
Lithium battery can produce certain heat in use, and particularly in the case where bearing power is larger, this is just
Need in time the heat that lithium battery is produced to be conducted and come out；In addition, in the case that winter temperature is relatively low, needing to battery
Can just use when carrying out being heated to suitable temperature, this is accomplished by heating energy conduction to lithium battery as early as possible, reduces lithium battery
Heat time heating time, so the radiating and heat conduction of lithium battery modular structure are most important.
At present lithium battery module signal collection is most using wire harness connection collection, but in battery case often by tens even
Up to a hundred single module connection in series-parallel compositions, so needing to connect the collection that many wire harness realize voltage temperature, trivial operations are easy
Error, production efficiency are low, and reliability is not high, so being badly in need of a kind of safe and efficient signals collecting scheme solves this problem.In
State's patent（Authorization Notice No. is CN202385398U）A kind of lithium battery series connection pcb board circuit is disclosed, is set using single-point pad
Meter replaces conventional wires connection, is not only convenient for connection, and contact resistance is also little.But this pcb board circuit is directed to electricity
The less situation of core, is less suitable for the series-parallel battery modules of multiple single modules.
In electric automobile running, vibration can be produced unavoidably, for soft-package battery, cell polar ear is in Long-term Vibration mistake
Easily there is fracture in journey, so as to cause electrokinetic cell to fail, so, how battery core is fixed in modular structure, it is ensured that electricity
Core lug is not vibrated to be pullled, significant for lithium battery module reliability.
The content of the invention
The purpose of this utility model is to provide a kind of lithium battery module, to solve lithium battery pole ear present in prior art
The technical problem being easily broken off when using under vibration.This utility model also provides a kind of lithium battery module and uses simultaneously
Lithium battery single module.This utility model also provides a kind of battery case using the lithium battery module simultaneously.
In order to realize object above, in this utility model, the technical scheme of lithium battery single module is as follows：Lithium battery single module,
Including multiple battery units being stacked together and positive pole leading-out piece, negative pole leading-out piece, each battery unit include snap gauge and
Battery core on snap gauge, the anode ear of each battery core, negative electrode lug are solid by described positive pole leading-out piece, negative pole leading-out piece respectively
Surely link together, the lithium battery single module also includes just being fixed the position of positive pole leading-out piece, negative pole leading-out piece
Negative pole fixture.
The both positive and negative polarity fixture includes the first fixed plate, the second fixed plate, when in use, first fixed plate,
The relative fastening of two fixed plates arranges and clamps positive pole leading-out piece, negative pole leading-out piece.
The snap gauge is provided with for both positive and negative polarity fixture along inserting that the direction consistent with the stacked direction of battery unit is inserted
Groove, is provided with the guide frame that the insertion to both positive and negative polarity fixture is oriented in the slot.
The slot includes positive pole slot, negative pole slot, and the positive pole leading-out piece, negative pole leading-out piece are inserted positioned at positive pole respectively
In groove, negative pole slot, by dovetail type bulge clearance between the positive pole slot, negative pole slot, first fixed plate, second
The dovetail groove for being oriented to and coordinating raised with described dovetail type is equipped with fixed plate.
The positive pole leading-out piece, negative pole leading-out piece include being inserted into linkage section between corresponding lug and for it is positive and negative
The U-shaped positioning section that pole fixture coordinates, towards the first described fixed plate, described first is solid for the U-shaped opening of the U-shaped positioning section
Fixed board is provided with positive pole inserted block, the negative pole inserted block being respectively for insertion into into positive pole leading-out piece, the U-shaped opening of negative pole leading-out piece,
Second fixed plate is provided with and aligns pole leading-out piece, negative pole respectively when the first fixed plate, the second fixed plate are mutually fastened and draw
Go out positive pole slot to make way, negative pole slot to make way that part is stepped down.
The positive pole slot, the side relative with dovetail type projection of negative pole slot are provided with rectangle gathering sill or three
Angular gathering sill, first fixed plate, the both sides of the second fixed plate are equipped with and the corresponding rectangle gathering sill or triangle
Gathering sill is oriented to the guide protrusions for coordinating.
The snap gauge be rectangular frame structure, the snap gauge be provided with adjacent snap gauge position grafting coordinate alignment pin and
Location hole.
The snap gauge is rectangular frame structure, is provided with attachment structure, institute on the snap gauge at its circumferential corner location
State the perforation that attachment structure includes that the concatenation part for multiple lithium battery single modules are superimposed is passed through.
In this utility model, the technical scheme of lithium battery module is as follows：Lithium battery module, including multiple be superimposed
Lithium battery single module, lithium battery single module is as described in above-mentioned any one.
In this utility model, the technical scheme of battery case is as follows：Battery case, including lithium battery module, lithium battery module include
Multiple lithium battery single modules as described in above-mentioned any one being superimposed.
The beneficial effects of the utility model：Multiple cell polar ears are welded on corresponding positive and negative electrode and are drawn by this utility model
On part, positive and negative electrode leading-out piece is fixed on single module by both positive and negative polarity fixture, enables positive and negative electrode leading-out piece to be maintained at solid
Fixed position, it is ensured that stability of the cell polar ear in vibration processes, it is ensured that the reliability of lithium battery module.
Description of the drawings
Fig. 1 is the single module decomposing schematic representation in this utility model lithium battery module；
Fig. 2 is the fixed schematic diagram of the lug of the single module in Fig. 1；
Fig. 3 is the schematic diagram after the single module assembling in this utility model lithium battery module；
Fig. 4 is the structural representation of the snap gauge in Fig. 1；
Fig. 5 is the structural representation of battery core in Fig. 1；
Fig. 6 is the decomposing schematic representation of this utility model lithium battery module；
Fig. 7 is the structural representation of the pressing plate in Fig. 6；
Fig. 8 is the structural representation of the PCB signal acquiring boards in Fig. 6；
Fig. 9 is the structural representation of this utility model lithium battery module.
Specific embodiment
The embodiment of this utility model lithium battery module：As shown in figs 1-9, including multiple lithium battery lists being superimposed
Module, lithium battery single module include multiple battery units 1 being stacked together and positive pole leading-out piece 2, negative pole leading-out piece 3,
Each battery unit includes snap gauge 10 and the battery core 12 on snap gauge 10.Snap gauge 10 is rectangular frame structure, and snap gauge includes card
Mould body and the attachment structure located at its circumferential corner.Snap gauge body is provided with four pieces of spaced heat conduction aluminums in left-right direction
Plate 13, the length direction for defining aluminum heat conducting plate 13 are above-below direction.Double faced adhesive tape is sticked on aluminum heat conducting plate 13, by 12 correspondence of battery core
It is placed in snap gauge, among 12 flange of battery core snaps into snap gauge respective slot.The anode ear of each battery core, negative electrode lug pass through positive pole respectively
Leading-out piece 2, negative pole leading-out piece 3 are fixed together, when anode ear 121, negative electrode lug 122 are connected with corresponding leading-out piece,
Then lug is connected with positive and negative electrode leading-out piece by lug shaping using ultrasonic bonding.Battery unit passes through supersonic welding
Connect and lug is fixed on positive and negative electrode leading-out piece, realize the parallel connection of battery core inside single module.Positive pole leading-out piece, negative pole leading-out piece
Include being inserted into the linkage section between corresponding lug and the U-shaped positioning section for coordinating with both positive and negative polarity fixture, the present embodiment
In U-shaped positioning section U-shaped opening towards rear side.Snap gauge is provided with and positions alignment pin 17 and the positioning that grafting coordinates with adjacent snap gauge
Hole 16, specifically, two angles on diagonal are provided with alignment pin 17, and two on another diagonal angle is provided with location hole
16, the alignment pin on snap gauge and the location hole location fit on another adjacent snap gauge.
Lithium battery single module also includes that the both positive and negative polarity being fixed to the position of positive pole leading-out piece 2, negative pole leading-out piece 3 is fixed
Part.Both positive and negative polarity fixture includes the first fixed plate 4, the second fixed plate 5, when in use, the first fixed plate 4,5 phase of the second fixed plate
Arrange and clamp positive pole leading-out piece, 2 negative pole leading-out pieces 3 to fastening.Snap gauge is provided with for both positive and negative polarity fixture edge and battery unit
Stacked direction it is consistent direction insertion slot, in the present embodiment the direction of insertion of both positive and negative polarity fixture be fore-and-aft direction, insert
The guide frame that the insertion to both positive and negative polarity fixture is oriented to is provided with groove.Slot includes positive pole slot 18, negative pole slot 19, positive pole
Leading-out piece, negative pole leading-out piece are located in positive pole slot, negative pole slot respectively, pass through dovetail type between positive pole slot, negative pole slot
Raised 11 are spaced, and be equipped with and the dovetail groove for coordinating is oriented to dovetail type raised 11, respectively in the first fixed plate 4, the second fixed plate 5
It is designated as the first dovetail groove 44, the second dovetail groove 53.U-shaped opening first fixed plate 4 of direction of U-shaped positioning section, in the first fixed plate 4
Positive pole inserted block 43, the negative pole inserted block 48 being respectively for insertion into into positive pole leading-out piece, the U-shaped opening of negative pole leading-out piece is provided with, the
Two fixed plates are provided with when the first fixed plate, the second fixed plate are mutually fastened and align pole leading-out piece, negative pole leading-out piece respectively and enter
The positive pole slot to make way 51 of row resigning, negative pole slot to make way 54.On positive pole slot, the side relative with dovetail type projection of negative pole slot
It is provided with rectangle gathering sill.First fixed plate 4, the both sides of the second fixed plate 5 are equipped with and are oriented to what is coordinated with corresponding rectangle gathering sill
Guide protrusions, are designated as the first left guide protrusions 41, the first right guide protrusions 45, the second left guide protrusions, the second right guiding respectively
Raised 52.First fixed plate 4 is provided with one group of four buckle 42, and the second fixed plate 5 is provided with and is adapted to what is fastened with during buckle 42
Catching groove.First left guide protrusions, the first right guide protrusions, the second left guide protrusions, the second right guide protrusions respective end it is equal
Position limiting structure is provided with, the rear end of the such as first right guide protrusions 45 is provided with the first position limiting structure 46.Positive and negative electrode fixture is built-in with
Nut, for the connection in series-parallel between single module.
It is provided with attachment structure 14 on snap gauge at its circumferential corner location, attachment structure is included for by multiple lithium battery lists
The perforation 15 that the concatenation part that module is superimposed is passed through.Attachment structure 14 is stationary steel bushing, steel bushing and above-mentioned aluminum heat conducting plate
13 are placed on snap gauge body by way of injection.Specifically, after be superimposed multiple lithium battery single modules, in front and back
Two ends use protective plate 100, also be provided with and the corresponding fixing hole of perforation, worn using four screw rods 9 respectively on the corner of protective plate
Corresponding perforation, fixing hole are crossed, is made multiple lithium battery single modules, protective plate be serially connected, then is fixed with flange nut 91, make
Lithium battery single module is locked inside protective plate 100.
Pressing plate 6 is provided with above lithium battery single module, pressing plate 6 is built-in with connecting copper bar, and the first fixed plate 4, second is fixed
Pressing plate alignment pin 47 is equipped with plate 5, pressing plate 6 is provided with pressing plate location hole 65, when pressing plate is installed, by pressing plate alignment pin 47
The positioning to pressing plate is realized in cooperation with pressing plate location hole 65.Row's bolt hole is additionally provided with pressing plate 6.PCB is provided with above pressing plate
Signal acquiring board 7, PCB signal acquiring boards 7 are snapped on pressing plate on corresponding collection plate alignment pin 63 by collection plate location hole 71,
Elevator bolt sequentially passes through PCB signal acquiring boards, pressing plate, is locked on single module.PCB signals are adopted by elevator bolt
Collection plate, pressing plate are pressed on each lithium battery single module, and then realize the connection in series-parallel of single module and the collection of signal.Finally by upper
Buckle on lid 8 and pressing plate 6, upper lid 8 is fixed on pressing plate 6, while PCB signal acquiring boards 7 are encapsulated in module internal, is led to
Lid perforate is crossed, die set top has positive pole end tab 62, signals collecting connector 72, negative pole end tab 64.
This utility model lithium battery module is used for electrokinetic cell or during energy storage, by the aluminum heat conducting plate inside snap gauge, favorably
In the heat conduction and radiating of lithium battery, battery performance can be greatly promoted；Tab welding on both positive and negative polarity leading-out piece, draw by both positive and negative polarity
Part is fixed in snap gauge frame structure by both positive and negative polarity fixture, it is ensured that stability of the cell polar ear in vibration processes, is protected
The reliability of card lithium battery module；While serial lithium battery single module, module voltage, temperature signal, letter are gathered by pcb board
Number collection is safe and efficient, operation facility.
In other embodiments, positive and negative electrode leading-out piece can not also adopt the structure in above-described embodiment, for example with T words
The plate of type, which is made up of two sections of vertical section and horizontal segment, and, used as the linkage section being connected with lug, horizontal segment is used as positioning for vertical section
Section also serves as the contact-segment contacted with the copper bar of pressing plate, or the upper portion of vertical section simultaneously as position portion, using just
Negative pole fixture clamps the position portion.In other embodiments, positive and negative electrode leading-out piece is may also be employed in above preferred embodiment
On the basis of, then a U-shaped positioning section is set, two U-shaped positioning section openings are disposed opposite to each other, now the first of both positive and negative polarity fixture
The inserted block for being inserted in U-shaped opening can be respectively provided with fixed plate, the second fixed plate, the second fixed plate is no longer to arrange to allow
The structure of position groove.In other embodiments, both positive and negative polarity fixture may also be employed the structure of integral type, can save the second fixation
Plate, only needs a fixed plate, and carries out adaptive change to fixed plate, it is not necessary to arrange buckle, screw is arranged in fixed plate
Hole, is also provided with corresponding screw hole on positive and negative electrode leading-out piece, after fixed plate insertion slot, the mode being connected by screw
Realize the fixation of positive and negative electrode leading-out piece and fixed plate.
The embodiment of this utility model lithium battery single module, the concrete structure of lithium battery single module and above-mentioned lithium battery module
The structure of the lithium battery single module in embodiment is identical, and specific embodiment is no longer described in detail.
The embodiment of this utility model battery case, the concrete structure of battery case lithium battery single module and above-mentioned lithium battery module
The structure of the lithium battery single module in embodiment is identical, and specific embodiment is no longer described in detail.
Claims (10)
1. lithium battery single module, it is characterised in that：Including multiple battery units being stacked together and positive pole leading-out piece, bear
Pole leading-out piece, each battery unit include snap gauge and the battery core on snap gauge, and the anode ear of each battery core, negative electrode lug pass through respectively
Described positive pole leading-out piece, negative pole leading-out piece are fixed together, the lithium battery single module also include to positive pole leading-out piece,
The both positive and negative polarity fixture that the position of negative pole leading-out piece is fixed.
2. lithium battery single module according to claim 1, it is characterised in that：The both positive and negative polarity fixture includes the first fixation
Plate, the second fixed plate, when in use, first fixed plate, the second fixed plate be relative fasten arrange and clamp positive pole leading-out piece,
Negative pole leading-out piece.
3. lithium battery single module according to claim 2, it is characterised in that：The snap gauge is provided with for both positive and negative polarity fixture
Along the slot that the direction consistent with the stacked direction of battery unit is inserted, the insertion to both positive and negative polarity fixture in the slot, is provided with
The guide frame of guiding.
4. lithium battery single module according to claim 3, it is characterised in that：The slot includes that positive pole slot, negative pole are inserted
Groove, the positive pole leading-out piece, negative pole leading-out piece are located in positive pole slot, negative pole slot respectively, the positive pole slot, negative pole slot
Between by dovetail type bulge clearance, be equipped with first fixed plate, the second fixed plate and lead with described dovetail type projection
To the dovetail groove for coordinating.
5. lithium battery single module according to claim 4, it is characterised in that：The positive pole leading-out piece, negative pole leading-out piece are equal
Including the linkage section being inserted between corresponding lug and the U-shaped positioning section for coordinating with both positive and negative polarity fixture, the U-shaped positioning
Section U-shaped opening towards the first described fixed plate, first fixed plate be provided be respectively for insertion into positive pole leading-out piece,
Positive pole inserted block, negative pole inserted block in the U-shaped opening of negative pole leading-out piece, second fixed plate be provided with the first fixed plate,
Align pole leading-out piece, the positive pole slot to make way stepped down by negative pole leading-out piece, negative pole slot to make way when two fixed plates are mutually fastened respectively.
6. lithium battery single module according to claim 5, it is characterised in that：The positive pole slot, negative pole slot with institute
State the raised relative side of dovetail type and be provided with rectangle gathering sill or triangle gathering sill, first fixed plate, second are fixed
The both sides of plate are equipped with and the guide protrusions for coordinating are oriented to the corresponding rectangle gathering sill or triangle gathering sill.
7. the lithium battery single module according to any one of claim 1 to 6, it is characterised in that：The snap gauge is rectangular frame
Structure, the snap gauge are provided with and position alignment pin and the location hole that grafting coordinates with adjacent snap gauge.
8. the lithium battery single module according to any one of claim 1 to 6, it is characterised in that：The snap gauge is rectangular frame
Structure, is provided with attachment structure at its circumferential corner location on the snap gauge, the attachment structure is included for by multiple lithiums electricity
The perforation that the concatenation part that pond single module is superimposed is passed through.
9. lithium battery module, it is characterised in that：Including multiple lithium battery single modules being superimposed, lithium battery single module is as weighed
Profit is required described in 1 to 8 any one.
10. battery case, it is characterised in that：Including lithium battery module, lithium battery module include it is multiple be superimposed such as right
Require the lithium battery single module described in 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965953.6U CN206076350U (en) | 2016-08-29 | 2016-08-29 | A kind of battery case and its lithium battery module and single module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965953.6U CN206076350U (en) | 2016-08-29 | 2016-08-29 | A kind of battery case and its lithium battery module and single module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076350U true CN206076350U (en) | 2017-04-05 |
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ID=58433388
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620965953.6U Active CN206076350U (en) | 2016-08-29 | 2016-08-29 | A kind of battery case and its lithium battery module and single module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206076350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547184A (en) * | 2018-05-31 | 2019-12-10 | 四维生态科技（杭州）有限公司 | Plant planter |
-
2016
- 2016-08-29 CN CN201620965953.6U patent/CN206076350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110547184A (en) * | 2018-05-31 | 2019-12-10 | 四维生态科技（杭州）有限公司 | Plant planter |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 454191 Industrial Cluster Area, Jiaozuo City, Henan Province, Standardized Workshop Area on the North Side of Xinyuan Road, West Park Patentee after: Multi-fluorine New Energy Technology Co., Ltd. Address before: 454191 Henan Jiaozuo industrial agglomeration area, West Park, Xinyuan Road, north side of the standardization workshop. Patentee before: Duofuduo (Jiaozuo) Amperex Technology Limited |
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| CP03 | Change of name, title or address |