CN207967148U - A kind of chip architecture that is flexible coupling of battery - Google Patents
A kind of chip architecture that is flexible coupling of battery Download PDFInfo
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- CN207967148U CN207967148U CN201820329844.4U CN201820329844U CN207967148U CN 207967148 U CN207967148 U CN 207967148U CN 201820329844 U CN201820329844 U CN 201820329844U CN 207967148 U CN207967148 U CN 207967148U
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- welding piece
- welding
- bevel edge
- piece
- evacuation
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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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Abstract
The utility model provides a kind of chip architecture that is flexible coupling of battery, belongs to field of new energy technologies.It solves the problems, such as that weld width is relatively narrow when existing bilateral ultrasonic welding lug.The chip architecture that is flexible coupling of this battery, including welding piece one rectangular and for being welded with battery cover board, the both sides of welding piece one extend outward the welding piece two for being useful for welding with battery pole ear and welding piece three respectively, welding piece two and welding piece three respectively close to welding piece one both ends and welding piece two and welding piece three on be respectively provided with evacuation bevel edge one and evacuation bevel edge two, bevel edge one is avoided to be overlapped along the projection section of one centerline direction of welding piece along the projection of one centerline direction of welding piece and evacuation bevel edge two, after welding piece two and welding piece three are folded inward along the side of welding piece one, avoiding between bevel edge one and evacuation bevel edge two has gap.Originally the chip architecture that is flexible coupling makes ultrasonic welding be more easy to realize automation, ensure that the weld width of lug and welding piece, improves the effect of welding.
Description
Technical field
The utility model belongs to field of new energy technologies, is related to a kind of chip architecture that is flexible coupling of battery.
Background technology
Under energy crisis and the pressure of problem of environmental pollution, safe and environment-friendly, energy saving oneself becomes the master of current development of automobile
Topic, electric vehicle are paid much attention to because of the free of contamination advantage of its energy-saving and environmental protection by traffic, energy sector.Recent years, new energy
Source automobile industry has welcome explosive growth, and the main energy sources of electric vehicle are battery systems.
With the development of new-energy automobile, requirement of the market to automobile power cell is also higher and higher, and power battery city
Field competition is more and more fierce, and the body of battery all improves using different structure designs in each rectangular aluminum hull power battery manufacturing firm
Product energy density has different processing technologys during volume production and ensures that battery can be suitable again for different battery structures
Profit is automated.Such as battery cover board and the tab welding of core are to carry out ultrasonic welding using the piece that is flexible coupling mostly.
The existing piece that is flexible coupling is rectangular and welds on the cover board, the part of the both sides of the piece that is flexible coupling protrusion cover board be used for
Core tab welding, again by the partially folded inwardly of protrusion after welding, since the width of be flexible coupling piece and cover board welding portion is
It is fixed, thus in order to ensure both sides protrusion it is partially folded after will not overlap and be crowded together, therefore, the width of two bulges point
Degree is smaller, also smaller with the weld width of lug so as to cause it, especially the battery of model VDA26148, and welding is wide
Degree only has 6mm or so, and the weld width of 6mm wide belongs to perfect condition, and soldering tip needs certain operation in actual operation
Space prevents damage cover board or core, therefore actual weld width only has 3mm or so, therefore the width of ultrasonic horn is wanted
The soldering tip welding effect of≤3mm, the width are poor, and the internal resistance consistency of caused welding position cannot ensure.
Invention content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of piece that is flexible coupling of battery
Structure, technical problem to be solved in the utility model are：The weld width for how ensureing lug and welding piece, improves welding
Effect.
The purpose of this utility model can be realized by following technical proposal：A kind of chip architecture that is flexible coupling of battery, including
It is rectangular and for the welding piece one that weld with battery cover board, the both sides of the welding piece one extend outward respectively be useful for and
The welding piece two and welding piece three of battery pole ear welding, which is characterized in that the welding piece two and welding piece three are respectively close to weldering
Evacuation bevel edge one and evacuation bevel edge two, the evacuation bevel edge are respectively provided on the both ends of contact pin one and welding piece two and welding piece three
One projection and evacuation bevel edge two along one centerline direction of welding piece is overlapped along the projection section of one centerline direction of welding piece, when
After the welding piece two and welding piece three are folded inward along the side of welding piece one, the evacuation bevel edge one with evacuation bevel edge two it
Between have gap.
This battery is flexible coupling in chip architecture, the welding piece two and welding piece three extended outward by the both sides of welding piece one
Respectively close to the both ends design of welding piece one, and evacuation bevel edge one and evacuation are respectively provided on welding piece two and welding piece three tiltedly
Side two mutually staggers setting between the two, so as to vacate more spaces that the protrusion of welding piece two and welding piece three is wide
Degree extends, i.e., the weld width of welding piece two and welding piece three increases, when welding piece two and welding piece three are along the side of welding piece one
While after being folded inward, avoiding between bevel edge one and evacuation bevel edge two has gap, will not overlap and be crowded together.Avoid bevel edge simultaneously
One projection and evacuation bevel edge two along one centerline direction of welding piece is overlapped along the projection section of one centerline direction of welding piece,
It in turn ensures that enough welding spaces, ultrasonic welding are more easy to realize automation on length direction, improves the effect of welding, ensure
The stability of welding.
In being flexible coupling in chip architecture for above-mentioned battery, the welding piece two and welding piece three are about welding piece a pair of linea angulata
Intersection point is centrosymmetric setting.Welding piece two and welding piece three become present central symmetry from original axial symmetry design and set
It sets so that welding piece two and welding piece three can mutually stagger, so as to vacate more spaces by welding piece two and welding
The protrusion width extending of piece three, the i.e. weld width of welding piece two and welding piece three increase, while again be avoided that increase width after
Welding piece two and welding piece three are overlapped after folding and are crowded together, and ultrasonic welding is more easy to realize automation, improves the effect of welding,
It ensure that the stability of welding.
In being flexible coupling in chip architecture for above-mentioned battery, three equal parallelogram of the welding piece two and welding piece.Weldering
Contact pin two and welding piece three are designed as the structure of parallelogram, by welding piece two and can weld vacating space to the greatest extent
The protrusion width extending of piece three, while can ensure enough welding spaces, ultrasonic welding in the longitudinal direction to the greatest extent again
It is more easy to realize automation, improves the effect of welding, ensure that the stability of welding.
In being flexible coupling in chip architecture for above-mentioned battery, the evacuation bevel edge one and evacuation bevel edge two are corresponding with welding piece one
Angle between side is 140~160 °.Bevel edge one will be avoided and avoid the angle between bevel edge two and respective side and designed
In above range, can preferably to ensure that the weld width of lug and welding piece, improve the effect of welding.
In being flexible coupling in chip architecture for above-mentioned battery, it is connected with welding piece one on the welding piece two and welding piece three
The length of side be 20~24mm, the evacuation bevel edge one and to avoid the length of bevel edge two be 13~15mm.By upper
State design, can maximum vacating space by the protrusion width extending of welding piece two and welding piece three, can be by weld width by original
First 6mm is increased to 10mm or so, can preferably improve the effect of welding, ensures the stability of welding.
In being flexible coupling in chip architecture for above-mentioned battery, the welding piece one, welding piece two and welding piece three edge
It is in arc transition.By above-mentioned design, it can prevent corner from core being caused to scratch.
Compared with prior art, the chip architecture that is flexible coupling of this battery has the following advantages：Welding piece two and welding piece three by
Original axial symmetry design becomes present center symmetric setting, so as to vacate more spaces by welding piece two and welding
The protrusion width extending of piece three, the i.e. weld width of welding piece two and welding piece three increase, while by avoiding bevel edge one and keeping away
It allows bevel edge two to design, and can guarantee to overlap after welding piece one and welding piece two-fold and be crowded together, in the longitudinal direction again
It ensure that enough welding spaces, ultrasonic welding are more easy to realize automation, improve the effect of welding, ensure that the stabilization of welding
Property.
Description of the drawings
Fig. 1 is the schematic diagram of the chip architecture that is flexible coupling of this battery.
Fig. 2 is the welding structure figure of the be flexible coupling chip architecture and cover board of this battery.
Fig. 3 is the structure chart after the chip architecture that is flexible coupling of this battery folds.
In figure, 1, welding piece one；1a, welding piece two；1a1, evacuation bevel edge one；1b, welding piece three；1b1, evacuation bevel edge
Two；2, cover board.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figs. 1-3, the chip architecture that is flexible coupling of this battery, including weldering rectangular and for being welded with battery cover board 2
Contact pin 1, the both sides of welding piece 1 extend outward two 1a of welding piece and welding piece for being useful for welding with battery pole ear respectively
The edge of three 1b, three 1b of welding piece 1, two 1a of welding piece and welding piece are in arc transition.Two 1a of welding piece and welding piece
Three 1b respectively close to welding piece 1 both ends and three 1b of two 1a of welding piece and welding piece on be respectively provided with evacuation one 1a1 of bevel edge and
Avoid two 1b1 of bevel edge.One 1a1 of bevel edge is avoided along the projection of one 1 centerline direction of welding piece and evacuation two 1b1 of bevel edge along welding piece
The projection section of one 1 centerline directions is overlapped, when two 1a of the welding piece and three 1b of welding piece are inside along the side of welding piece 1
After folding, there is gap between two 1b1 of one 1a1 of evacuation bevel edge and evacuation bevel edge.In the present embodiment, two 1a of welding piece and weldering
The equal parallelograms of three 1b of contact pin, two 1a of welding piece and three 1b of welding piece are in center pair about one 1 diagonal line intersection point of welding piece
Claim setting.
This battery is flexible coupling in chip architecture, and two 1a of welding piece and three 1b of welding piece can be mutually staggered, so as to rise
Go out more spaces by the protrusion width extending of three 1b of two 1a of welding piece and welding piece, i.e. three 1b's of two 1a of welding piece and welding piece
Weld width increases, and in turn ensures enough welding spaces in the longitudinal direction, while being avoided that welding piece after increase width again
Two 1a and three 1b of welding piece are overlapped after folding and are crowded together, and ultrasonic welding is more easy to realize automation, improves the effect of welding, protects
The stability of welding is demonstrate,proved.
Furthermore, it avoids one 1a1 of bevel edge and avoids the folder between two 1b1 of bevel edge and one 1 respective side of welding piece
Angle is 140~160 °.The length for the side being connected with welding piece 1 on three 1b of two 1a of welding piece and welding piece is 20~
24mm, evacuation one 1a1 of bevel edge and the length for avoiding two 1b1 of bevel edge are 13~15mm.In the present embodiment, one 1a1 of bevel edge is avoided
Angle between evacuation two 1b1 of bevel edge and one 1 respective side of welding piece is 150 °, on three 1b of two 1a of welding piece and welding piece
The length for the side being connected with welding piece 1 is 22mm, and evacuation one 1a1 of bevel edge and the length for avoiding two 1b1 of bevel edge are
10mm or so can be improved in 14mm, weld width.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of chip architecture that is flexible coupling of battery, including welding piece one (1) rectangular and for being welded with battery cover board (2),
The both sides of the welding piece one (1) extend outward the welding piece two (1a) and welding piece for being useful for welding with battery pole ear respectively
Three (1b), which is characterized in that the both ends and weldering of the welding piece two (1a) and welding piece three (1b) respectively close to welding piece one (1)
Evacuation bevel edge one (1a1) and evacuation bevel edge two (1b1) are respectively provided in contact pin two (1a) and welding piece three (1b), the evacuation is oblique
Projection and evacuation bevel edge two (1b1) of the side one (1a1) along welding piece one (1) centerline direction are along welding piece one (1) center line side
To projection section overlapping, when the welding piece two (1a) and welding piece three (1b) are folded inward along the side of welding piece one (1)
Afterwards, there is gap between the evacuation bevel edge one (1a1) and evacuation bevel edge two (1b1).
2. the chip architecture that is flexible coupling of battery according to claim 1, which is characterized in that the welding piece two (1a) and welding
Piece three (1b) is centrosymmetric setting about welding piece one (1) diagonal line intersection point.
3. the chip architecture that is flexible coupling of battery according to claim 2, which is characterized in that the welding piece two (1a) and welding
Piece three (1b) equal parallelogram.
4. the chip architecture that is flexible coupling of battery according to claim 3, which is characterized in that the evacuation bevel edge one (1a1) and
The angle avoided between bevel edge two (1b1) and welding piece one (1) respective side is 140~160 °.
5. the chip architecture that is flexible coupling of battery according to claim 4, which is characterized in that the welding piece two (1a) and welding
The length for the side being connected with welding piece one (1) on piece three (1b) is 20~24mm, the evacuation bevel edge one (1a1) and is kept away
The length of bevel edge two (1b1) is allowed to be 13~15mm.
6. the chip architecture that is flexible coupling of the battery according to any one of claim 1-5, which is characterized in that the welding piece
The edge of one (1), welding piece two (1a) and welding piece three (1b) is in arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329844.4U CN207967148U (en) | 2018-03-10 | 2018-03-10 | A kind of chip architecture that is flexible coupling of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329844.4U CN207967148U (en) | 2018-03-10 | 2018-03-10 | A kind of chip architecture that is flexible coupling of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207967148U true CN207967148U (en) | 2018-10-12 |
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ID=63742018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329844.4U Expired - Fee Related CN207967148U (en) | 2018-03-10 | 2018-03-10 | A kind of chip architecture that is flexible coupling of battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN207967148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300055A (en) * | 2021-05-17 | 2021-08-24 | 合肥国轩高科动力能源有限公司 | Connecting assembly of battery cell, lithium battery and assembling method |
-
2018
- 2018-03-10 CN CN201820329844.4U patent/CN207967148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300055A (en) * | 2021-05-17 | 2021-08-24 | 合肥国轩高科动力能源有限公司 | Connecting assembly of battery cell, lithium battery and assembling method |
| CN113300055B (en) * | 2021-05-17 | 2022-03-18 | 合肥国轩高科动力能源有限公司 | Connecting assembly of battery cell, lithium battery and assembling method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210310 |