CN207690895U - A kind of list series lithium battery lug cascaded structure - Google Patents
A kind of list series lithium battery lug cascaded structure Download PDFInfo
- Publication number
- CN207690895U CN207690895U CN201721628138.1U CN201721628138U CN207690895U CN 207690895 U CN207690895 U CN 207690895U CN 201721628138 U CN201721628138 U CN 201721628138U CN 207690895 U CN207690895 U CN 207690895U
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- China
- Prior art keywords
- deck
- fastener
- lug
- mutual
- cutting ferrule
- Prior art date
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 42
- 238000005520 cutting process Methods 0.000 claims abstract description 45
- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003825 pressing 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of single series lithium battery lug cascaded structures, including lithium battery group, and the lug in the lithium battery group is arranged, and the lug is equipped with hole；Electroconductive elastic sheet, described electroconductive elastic sheet one end, which has, to be open and is used to clamp the lug, and the electroconductive elastic sheet is equipped with hole；The upper end of fastener, the fastener is extended with the mutual card convex platform of fastener and the mutual cutting ferrule mouth of fastener, and the middle part of the mutual cutting ferrule mouth of fastener is equipped with the first receiving hole, and the inner surface of the fastener is extended with lug locking buckle, and the fastener is insulating materials；The upper end of deck, the deck is extended with the mutual card convex platform of deck and the mutual cutting ferrule mouth of deck, and the second receiving hole is provided in the middle part of the mutual cutting ferrule mouth of deck, and the inner surface of the deck is provided with lug locking card hole, and the deck is insulating materials.
Description
Technical field
The utility model is related to technical field of new energy, and in particular to a kind of list series lithium battery lug cascaded structure.
Background technology
Lithium-ion-power cell has been widely used in new energy pure electric automobile and hybrid power new-energy automobile field.Mesh
Before, it is producing in manufacturing process, lithium battery burst mode is always major battery production quotient topic of concern, especially singly
Series lithium battery burst mode is always a difficult point.Traditionally in single series lithium battery module grouping procedure, lithium battery pole ear series connection
Generally connected by bolt or laser welding.Since single series lithium battery module spacing is small, bolt connecting mode is be easy to cause short
Security risks are brought on road, while bolt quantity is more, so cause lithium battery module in groups after energy density than low, Wu Fafang
The shortcomings of loose；Welding then in the presence of that can not repair, dismantles the shortcomings of inconvenient, while there is also certain security risks.So
Single series lithium battery module finds one kind efficiently, the connection type of high reliability is original to substitute in actual production manufacturing process
The fixed mode of bolt is always the critical issue of our technical research.
Utility model content
The utility model proposes a kind of single series lithium battery lug cascaded structure, technical solution is：A kind of list series lithium battery
Lug cascaded structure, including lithium battery group, are arranged the lug in the lithium battery group, and the lug is equipped with hole；Conductive bullet
Piece, described electroconductive elastic sheet one end, which has, to be open and is used to clamp the lug, and the electroconductive elastic sheet is equipped with hole；Fastener, it is described
The upper end of fastener is extended with the mutual card convex platform of fastener and the mutual cutting ferrule mouth of fastener, and the middle part of the mutual cutting ferrule mouth of fastener is equipped with first and accommodates
The inner surface in hole, the fastener is extended with lug locking buckle, and the fastener is insulating materials；Deck, the upper end of the deck
It is extended with the mutual card convex platform of deck and the mutual cutting ferrule mouth of deck, the second receiving hole is provided in the middle part of the mutual cutting ferrule mouth of deck, it is described
The inner surface of deck is provided with lug locking card hole, and the deck is insulating materials；The lug locking buckle passes through the pole
Lug locking card hole clamping described in Kong Bingyu on ear and the electroconductive elastic sheet, the mutual card convex platform of fastener pass through described second to hold
Receive the second receiving hole snapping described in Kong Bingyu, the mutual card convex platform of deck passes through first receiving hole and accommodated with described first
Hole snapping.
Further, the mutual card convex platform of the fastener, the mutual cutting ferrule mouth of the fastener, the mutual card convex platform of the deck and the deck
Mutual cutting ferrule mouth is ladder-like, and the mutual card convex platform of fastener is including the first angled step portion and in first angled step portion one
The first longitudinal direction ladder extended is held, the mutual cutting ferrule mouth of fastener is including the second angled step portion and in second angled step portion
The second longitudinal direction ladder that one end extends, the mutual card convex platform of deck include third angled step portion and in the third angled step
The third longitudinal direction ladder that portion one end extends, the mutual cutting ferrule mouth of deck include the 4th angled step portion and tilt rank the described 4th
The 4th longitudinal ladder that terraced portion one end extends.
Further, the end of the lug locking buckle is triangle pawl structure.
Further, the electroconductive elastic sheet material is ∩ shape structures, and the inner surfaces of the electroconductive elastic sheet both sides is provided with more
The end of circular arc protrusion of the group for compressing the lug, the electroconductive elastic sheet both sides is extended with guiding chamfering, the conduction bullet
Piece material is metal material.
Further, the mutual cutting ferrule mouth of the fastener, which extends internally, fastener connection buckle, and the mutual cutting ferrule mouth of fastener is upper
Fastener is offered in the lower end of the fastener connection buckle and connects card hole, and the mutual cutting ferrule mouth of deck extends internally and has deck connection
It buckles, the lower end that the deck connection buckle is located on the mutual cutting ferrule mouth of deck is provided with deck connection card hole.
Further, the fastener connection buckle be it is ladder-like, the fastener connection buckle include the first lateral extensions,
The the first laterally-graded portion extended with the first lateral extensions end and the second transverse direction extended with the first laterally-graded portion end
The end of extension, second lateral extensions is triangle pawl structure, is prolonged along longitudinal direction on second lateral extensions
Stretching has first longitudinal direction extension.
Further, the deck connection buckle be it is ladder-like, the deck connection buckle include third lateral extensions,
The the second laterally-graded portion extended with third lateral extensions end and the 4th transverse direction extended with the second laterally-graded portion end
The end of extension, the 4th lateral extensions is triangle pawl structure, is prolonged along longitudinal direction on the 4th lateral extensions
Stretching has second longitudinal direction extension.
A kind of advantage of single series lithium battery lug cascaded structure provided by the utility model is：
(1) welding is connected instead of traditional bolt to snap connection, overcome present in being bolted and welding
Disadvantage keeps single series lithium battery module technique during connection in groups simpler, more efficient；
(2) buckle uses insulating materials, avoids single series lithium battery monomer in groups with the short-circuit risks during use, pacifies
Full property higher, while also substantially increasing the maintenanceability of single series lithium battery module, replaceability.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model list series lithium battery lug cascaded structure；
Fig. 2 is the structural schematic diagram of the utility model fastener；
Fig. 3 is the structural schematic diagram of the utility model deck；
Fig. 4 is the structural schematic diagram of the utility model electroconductive elastic sheet；
Fig. 5 is that the utility model connects groups of structural schematic diagram；
Reference sign：
| 1, lithium battery monomer | 2, fastener |
| 3, electroconductive elastic sheet | 4, deck |
| 5, lug | 6, lug locking buckle |
| 7, the mutual card convex platform of fastener | 8, the mutual cutting ferrule mouth of fastener |
| 9, fastener connection buckle | 10, fastener connects card hole |
| 11, lug locks card hole | 12, the mutual card convex platform of deck |
| 13, the mutual cutting ferrule mouth of deck | 14, deck connection buckle |
| 15, deck connects card hole | 16, circular arc protrusion |
| 17, openings lead chamfering | 18, electroconductive elastic sheet rectangular opening |
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figs. 1-5, a kind of single series lithium battery lug cascaded structure, including lithium battery group, lithium battery group is by two lithiums
Battery cell 1 forms, and two lithium battery monomer positive and negative anodes lugs 5 are bonded successively, are provided with hole on lug 5, which is preferably square
Shape hole.One end of electroconductive elastic sheet 3, which has, to be open and clamps lug 5, and specifically, electroconductive elastic sheet 3 is ∩ shape structures, both-side ends
Inner surface for openings lead chamfering 17, electroconductive elastic sheet 3 is provided with multigroup circular arc protrusion 16, and the circular arc protrusion 16 is by two lug pressures
It is close to be combined, two lugs is made to come into full contact with.Further, electroconductive elastic sheet 3 is metal material.In addition, in electroconductive elastic sheet 3
Portion is provided with hole 18, which is aligned with the hole on lug 5, the preferably rectangular hole in the hole.
Further, single series lithium battery lug cascaded structure further includes fastener 2 and deck 4, and the upper end of fastener 2 is extended with card
The middle part of the mutual card convex platform 7 of part and the mutual cutting ferrule mouth 8 of fastener, the mutual cutting ferrule mouth of fastener 8 is provided with the first receiving hole, and the first receiving hole is preferred
Inner surface for rectangular opening, fastener is extended with fastener locking buckle 6.Further, fastener 2 is insulating materials.Further,
The upper end of deck 4 is extended with the mutual card convex platform 13 of deck and the mutual cutting ferrule mouth 14 of deck, and the middle part of the mutual cutting ferrule mouth of deck 14 is provided with
The inner surface of two receiving holes, the preferably rectangular hole of the second receiving hole, deck 4 is provided with lug locking card hole 11, and the deck is
Insulating materials.Specifically, lug locking buckle 6 passes through the hole on lug 5 and electroconductive elastic sheet 3 to be clamped with lug locking card hole 11,
Wherein, the end of lug locking buckle 6 is triangle pawl structure, and lug locks 11 preferably rectangular hole of card hole.Further
Ground, the mutual card convex platform 7 of fastener pass through the second receiving hole and with the second receiving hole snapping, the mutual card convex platform 13 of deck pass through the first receiving hole
And with the first receiving hole snapping.
Specifically, the mutual card convex platform 7 of fastener, the mutual cutting ferrule mouth 8 of fastener, the mutual card convex platform 12 of deck and the mutual cutting ferrule mouth of deck 13 are
It is ladder-like.More specifically, the mutual card convex platform 7 of fastener include the first angled step portion and extend in first angled step portion one end the
One longitudinal stepped part, the mutual cutting ferrule mouth 8 of fastener is including the second angled step portion and the second of the extension of second angled step portion one end
Longitudinal stepped part, the mutual card convex platform 12 of deck include that third angled step portion and the third extended in third angled step portion one end are vertical
To stepped part, the mutual cutting ferrule mouth 13 of deck includes the 4th angled step portion and the 4th longitudinal direction in the extension of the 4th angled step portion one end
Stepped part.When the mutual 7 and second receiving hole snapping of card convex platform of fastener, the first longitudinal direction stepped part of the mutual card convex platform of fastener 7 passes through the
Two receiving holes, and first longitudinal direction stepped part is made to be close to be pressed against with the 4th longitudinal stepped part；When the mutual card convex platform 12 and first of deck holds
Receive hole snapping when, third longitudinal direction stepped part passes through the first receiving hole and to be close to be pressed against with second longitudinal direction stepped part.
Further, the mutual cutting ferrule mouth of fastener 8, which extends internally, fastener connection buckle 9, is located at fastener on the mutual cutting ferrule mouth of fastener 8
The lower end of connection buckle 9 offers fastener connection card hole 10, and the mutual cutting ferrule mouth of deck 13 extends internally and has deck connection buckle 14, blocks
The lower end that seat is mutually located at deck connection buckle 14 on cutting ferrule mouth 13 is provided with deck connection card hole 15.When multigroup lithium battery group connects
When, the connection buckle of fastener and deck is fastened into clamping with the connection card hole of adjacent fastener and deck respectively, is sequentially connected, that is, blocks
Part connection buckle 9 is inserted into the fastener connection card hole 10 of adjacent fastener 2, and the deck that deck connection buckle 14 is inserted into adjacent deck 4 connects
Card hole 15 is connect, entire module is made to be connected as one, enhances overall construction intensity.
Fastener connection buckle 9 and deck connection buckle 14 are ladder-like.Specifically, fastener connection buckle 9 includes first
Lateral extensions extend with the first laterally-graded portion of the first lateral extensions end extension and with the first laterally-graded portion end
The second lateral extensions, the ends of the second lateral extensions is triangle pawl structure, on the second lateral extensions along longitudinal direction
It is extended with first longitudinal direction extension.More specifically, deck connection buckle 14 includes third lateral extensions, is laterally extended with third
The the second laterally-graded portion and the 4th lateral extensions extended with the second laterally-graded portion end that portion end extends, the 4th laterally
The end of extension is triangle pawl structure, and second longitudinal direction extension has been extended longitudinally on the 4th lateral extensions.Work as card
Part connection buckle 9 connect the connection of card hole 10 with the fastener of adjacent fastener 2, and end is laterally extended for the second of triangle pawl structure
Portion is inserted into fastener and connects card hole 10, and the mutual cutting ferrule mouth of the fastener of first longitudinal direction extension and fastener 28 is made to abut against；When deck connects
When connecing the deck connection card hole 15 of the 14 adjacent deck 4 of insertion of buckle, the mutual cutting ferrule mouth of deck of second longitudinal direction extension and deck 4
13 abut against.
The assembling process of lithium battery monomer group is as follows：Lithium battery monomer 1 assembles in groups, and positive and negative lug 5 is bonded successively, will be led
Electric shrapnel 3 is oriented to chamfering opening alignment lithium battery pole ear 5, and is installed from top to bottom along battery pole ear 5, until electroconductive elastic sheet 3
Rectangular opening and lithium battery pole ear 5 on rectangular opening alignment, electroconductive elastic sheet 3 circular arc protrusion 16 can by two lugs compression be fitted in
Together, two lugs 5 is made to come into full contact with.Circular arc protrusion 16 of electroconductive elastic sheet 3 and two lugs 5 come into full contact with during this.Then, block
The lug locking buckle 6 of part 2 passes through the rectangular opening on electroconductive elastic sheet 3 and battery pole ear 5, and fastener 2 and deck 4 are passed through mutual card convex
Platform and the mutual fitting clamping of mutual cutting ferrule mouth, lug locking card hole 11 and the fastener lug locking buckle on deck is to just at this time, together
When pressing fastener and deck, so that lug locking buckle 6 is fastened clamping with deck 4, the circular arc protrusion 16 of electroconductive elastic sheet 3 during this
Gradually becoming more flat, screen resilience makes it constantly compress two positive and negative lugs, and electroconductive elastic sheet 3 and battery pole ear 5 is made fully to compress,
It is sufficiently conducting, avoid the occurrence of virtual connection.By the connection buckle of fastener 2 and deck 4 respectively at the connection card with adjacent fastener and deck
Hole fastens clamping, is sequentially connected, entire module is made to be connected as one, and enhances overall construction intensity.
It has been provided above to the specific descriptions of the utility model for being illustrated and illustrate.But do not really want it is exhaustive or
The utility model is limited to disclosed precise forms by person.According to teachings above, it can be achieved that many modifications and variations.Above-mentioned implementation
Example is selected for most preferably explaining the principles of the present invention and its practical application, so that those skilled in the art can
The utility model is most preferably utilized with different embodiments and using the different modifications suitable for specific desired use.This practicality is new
The range of type will be defined by the appended claims.
Claims (7)
1. a kind of list series lithium battery lug cascaded structure, which is characterized in that including
Lithium battery group, is arranged the lug in the lithium battery group, and the lug is equipped with hole；
Electroconductive elastic sheet, described electroconductive elastic sheet one end, which has, to be open and is used to clamp the lug, and the electroconductive elastic sheet is equipped with hole；
Fastener, the upper end of the fastener are extended with the mutual card convex platform of fastener and the mutual cutting ferrule mouth of fastener, in the mutual cutting ferrule mouth of fastener
Portion is equipped with the first receiving hole, and the inner surface of the fastener is extended with lug locking buckle, and the fastener is insulating materials；
Deck, the upper end of the deck are extended with the mutual card convex platform of deck and the mutual cutting ferrule mouth of deck, in the mutual cutting ferrule mouth of deck
Portion is provided with the second receiving hole, and the inner surface of the deck is provided with lug locking card hole, and the deck is insulating materials；
The lug locking buckle passes through lug locking card hole clamping described in the Kong Bingyu on the lug and the electroconductive elastic sheet,
The mutual card convex platform of fastener pass through second receiving hole and with the second receiving hole snapping, the mutual card convex platform of deck passes through
First receiving hole and with the first receiving hole snapping.
2. list series lithium battery lug cascaded structure as described in claim 1, which is characterized in that the mutual card convex platform of the fastener, institute
It is ladder-like, the mutual card convex platform of fastener to state the mutual cutting ferrule mouth of fastener, the mutual card convex platform of the deck and the mutual cutting ferrule mouth of the deck
Including the first angled step portion and in the first longitudinal direction ladder that first angled step portion one end extends, the mutual cutting ferrule of fastener
Mouth includes that the second angled step portion and the second longitudinal direction ladder in the extension of second angled step portion one end, the deck mutually block
Boss includes third angled step portion and the third longitudinal direction ladder that extends in third angled step portion one end, and the deck is mutual
Cutting ferrule mouth includes the 4th angled step portion and the 4th longitudinal ladder for extending in the 4th angled step portion one end.
3. list series lithium battery lug cascaded structure as described in claim 1, which is characterized in that the end of the lug locking buckle
End is triangle pawl structure.
4. list series lithium battery lug cascaded structure as described in claim 1, which is characterized in that the electroconductive elastic sheet material is ∩
The inner surface of shape structure, the electroconductive elastic sheet both sides is provided with multigroup circular arc protrusion for compressing the lug, the conduction
The end of shrapnel both sides is extended with guiding chamfering, and the electroconductive elastic sheet material is metal material.
5. list series lithium battery lug cascaded structure as described in claim 1, which is characterized in that the mutual cutting ferrule mouth of fastener is inside
It is extended with fastener connection buckle, the lower end that the fastener connection buckle is located on the mutual cutting ferrule mouth of fastener offers fastener connection
Card hole, the mutual cutting ferrule mouth of deck extend internally and have deck connection buckle, and the deck is located on the mutual cutting ferrule mouth of deck and is connected
The lower end for connecing buckle is provided with deck connection card hole.
6. list series lithium battery lug cascaded structure as claimed in claim 5, which is characterized in that the fastener connection buckle is rank
Scalariform, the fastener connection buckle include the first lateral extensions, the first lateral rank extended with the first lateral extensions end
The end of terraced portion and the second lateral extensions extended with the first laterally-graded portion end, second lateral extensions is triangle
Shape pawl structure has extended longitudinally first longitudinal direction extension on second lateral extensions.
7. list series lithium battery lug cascaded structure as claimed in claim 5, which is characterized in that the deck connection buckle is rank
Scalariform, the deck connection buckle include third lateral extensions, the second lateral rank extended with third lateral extensions end
The end of terraced portion and the 4th lateral extensions extended with the second laterally-graded portion end, the 4th lateral extensions is triangle
Shape pawl structure has extended longitudinally second longitudinal direction extension on the 4th lateral extensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628138.1U CN207690895U (en) | 2017-11-29 | 2017-11-29 | A kind of list series lithium battery lug cascaded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628138.1U CN207690895U (en) | 2017-11-29 | 2017-11-29 | A kind of list series lithium battery lug cascaded structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207690895U true CN207690895U (en) | 2018-08-03 |
Family
ID=62999640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721628138.1U Active CN207690895U (en) | 2017-11-29 | 2017-11-29 | A kind of list series lithium battery lug cascaded structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207690895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129416A (en) * | 2019-12-30 | 2020-05-08 | 东莞市沃泰通新能源有限公司 | Battery multi-tab fixing device and battery |
| CN115548595A (en) * | 2021-06-29 | 2022-12-30 | 比亚迪股份有限公司 | Soft pack battery components and electrical equipment |
-
2017
- 2017-11-29 CN CN201721628138.1U patent/CN207690895U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129416A (en) * | 2019-12-30 | 2020-05-08 | 东莞市沃泰通新能源有限公司 | Battery multi-tab fixing device and battery |
| CN115548595A (en) * | 2021-06-29 | 2022-12-30 | 比亚迪股份有限公司 | Soft pack battery components and electrical equipment |
| CN115548595B (en) * | 2021-06-29 | 2025-02-11 | 比亚迪股份有限公司 | Soft pack battery components and electrical equipment |
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