CN209401720U - A kind of battery and its battery modules - Google Patents
A kind of battery and its battery modules Download PDFInfo
- Publication number
- CN209401720U CN209401720U CN201920055081.3U CN201920055081U CN209401720U CN 209401720 U CN209401720 U CN 209401720U CN 201920055081 U CN201920055081 U CN 201920055081U CN 209401720 U CN209401720 U CN 209401720U
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- Prior art keywords
- battery
- cushion block
- tab
- battery core
- tab cushion
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of battery and its battery modules, including the first battery core, the second battery core, cell polar ear and tab cushion block；First battery core is connect side by side with the second battery core；Tab cushion block cross section is boss structure, is set between the first battery core and the second battery core；The cell polar ear extends out from the first battery core and the second battery core respectively, and the cell polar ear is fixedly connected with the tab cushion block of boss structure.This battery is by setting boss structure for tab cushion block, i.e. tab is fixedly connected with tab cushion block lower end, when needing to connect with external busbar connector, the tab cushion block upper surface of boss structure is connect with busbar connector, significantly increase the contact surface of busbar connector Yu tab cushion block, resistance is reduced, and reduces the material and physical space of tab cushion block.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of battery and its battery modules.
Background technique
Just in high speed development, the especially development of pure electric vehicle new energy vehicle has reached red-hot new energy industry at present
Change state.
In existing power battery, generally can all use tab cushion block, tab cushion block one end connect with tab, the other end and
Extraneous busbar connector connection.
The tab cushion block that existing battery uses is generally rectangular cross-section, after tab is connect with tab cushion block, the tab of battery
When cushion block is connect with external busbar connector, the position of tab, which can connect tab cushion block with external busbar connector, causes space to hinder
Hinder, cause busbar connector and tab cushion block connection area not big enough, contact resistance is excessive, and in welding, it is also possible to rosin joint is caused,
Structural stability is poor.
Utility model content
In view of this, a kind of battery and its battery modules of the utility model, this battery is by setting tab cushion block to
Boss structure, i.e. tab are fixedly connected with tab cushion block lower end, when needing to connect with external busbar connector, the pole of boss structure
Ear pad block upper surface is connect with busbar connector, is significantly increased the contact surface of busbar connector Yu tab cushion block, is reduced resistance.
A kind of battery, including the first battery core, the second battery core, cell polar ear and tab cushion block；
First battery core is connect side by side with the second battery core；
Tab cushion block cross section is boss structure, is set between the first battery core and the second battery core；
The cell polar ear extends out from the first battery core and the second battery core respectively, the cell polar ear and boss structure
Tab cushion block be fixedly connected.
Preferably, the tab cushion block is embedded between the first battery core and the second battery core.
Preferably, the tab cushion block of the cell polar ear and boss structure welds.
It preferably, further include for the positioning column to the positioning of tab cushion block, the positioning column is set to tab cushion block two sides.
Preferably, the tab cushion block cross section of the boss structure is isosceles trapezoid boss structure.
Preferably, the tab cushion block of the boss structure is " king " font.
A kind of battery and its battery modules mould group pass through remittance including several above-mentioned batteries between the battery and battery
Stream row's connection, described busbar connector one end are connect with the tab cushion block upper surface of a battery, the other end of busbar connector and another battery
Tab cushion block upper surface connection.
Preferably, the tab cushion block of the busbar connector and battery welds.
Preferably, the battery is 6 pieces, and 6 pieces of batteries are sequentially connected two-by-two by busbar connector.
Preferably, lock and salient point are additionally provided on the battery, when the battery connects side by side, adjacent two battery is logical
Lock is crossed to engage with salient point.
The utility model has the beneficial effects that: this battery is by setting boss structure for tab cushion block, i.e., tab with
Tab cushion block lower end is fixedly connected, when needing to connect with external busbar connector, the tab cushion block upper surface of boss structure and remittance
Stream row's connection, significantly increases the contact surface of busbar connector Yu tab cushion block, reduces resistance, and reduce the material of tab cushion block
And physical space.It using the battery modules of this battery, is connected between the battery and battery of battery modules by busbar connector, confluence
Row connect with the tab cushion block of the boss structure of battery, significantly increases the contact surface of busbar connector Yu battery pole ear cushion block, reduces
The resistance of battery modules, and busbar connector and battery pole firm welding, are not likely to produce rosin joint.
Detailed description of the invention
In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of battery diagrammatic cross-section；
Fig. 2 is a kind of battery stereoscopic schematic diagram；
Fig. 3 is a kind of battery modules stereoscopic schematic diagram；
Fig. 4 is a kind of battery pole ear cushion block diagrammatic cross-section.
Appended drawing reference
1 cell polar ear, 2 tab cushion block
3 positioning column, 4 battery core
41 first battery core, 42 second battery core
5 busbar connector, 6 salient point
7 21 boss upper surfaces of lock
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.
It will be further appreciated that the term used in the utility model specification and appended book " and/
Or " refer to any combination and all possible combinations of one or more of associated item listed, and including these groups
It closes.
Please refer to Fig. 1, Fig. 2 and Fig. 4, a kind of battery, including the first battery core 41, the second battery core 42, cell polar ear 1 and
Tab cushion block 2；First battery core 41 is connect side by side with the second battery core 42；The cross section of tab cushion block 2 is boss structure, is set to the
Between one battery core 41 and the second battery core 42；Cell polar ear 1 extends out from the first battery core 41 and the second battery core 42 respectively, battery core
Tab 1 is fixedly connected with the tab cushion block 2 of boss structure.From the battery core pole that the first battery core 41 and the second battery core 42 extend out
Ear 1 can envelope the lower part of tab cushion block 2 of boss structure, can also by welding, by cell polar ear 1 and boss
It is partially welded under the tab cushion block 2 of structure, when battery needs to connect with external busbar connector 5, battery boss structure
2 boss upper surface 21 of tab cushion block is welded with busbar connector 5, generally, by laser respectively by cell polar ear 1 and boss structure
The lower part of tab cushion block 2 is welded, and 2 upper surface of tab cushion block of boss structure is welded with busbar connector 5, welded two-by-two in this way by laser
It connects, does not interfere with each other, contact surface is big when welding, and faulty soldered joint is few, greatly reduces its contact resistance.And in welding, tab cushion block 2
Cell polar ear 1 and busbar connector 5 is respectively welded in two planes of short transverse, substantially reduces cushion block height, keeps 4 length benefit of battery core logical
Rate increases, and improves battery volume energy density.
When tab cushion block 2 is arranged, generally tab cushion block 2 is embedded between the first battery core 41 and the second battery core 42, it can also
With using the technological forming tab cushion block 2 of in-mould injection, by tab cushion block 2 be fixed on the first battery core 41 and the second battery core 42 it
Between, it is also provided with glue groove on tab cushion block 2, increases tab while tab 2 material utilization amount of cushion block can be reduced in this way
With the contact area of tab cushion block 2, busbar connector 5 and tab cushion block 2.
In 2 two side ends of tab cushion block of battery, it is additionally provided with positioning column 3, in installation tab cushion block 2 or soldering polar ear
When cushion block 2, positioning column 3 can carry out positioning and fixing to tab cushion block 2；Meanwhile when battery needs are connect with busbar connector 5,
Positioning column 3 can also carry out positioning and fixing to busbar connector 5.
When tab cushion block 2 is arranged, tab cushion block 2 is the boss structure that cross section is isosceles trapezoid, cell polar ear 1 with etc.
2 lower surface of waist trapezoid boss tab cushion block is fixedly connected, and the tab cushion block 2 of boss structure is " king " font, is not configured to rectangle
Face, and it is set as " king " font, 2 material of tab cushion block can be reduced in this way.
Fig. 3 is please referred to, a kind of battery modules are connected between battery and battery by busbar connector 5 including several above-mentioned batteries
It connects, 5 one end of busbar connector is connect with 2 upper surface of tab cushion block of a battery, the tab pad of the other end of busbar connector 5 and another battery
The connection of 2 upper surface of block.In order to improve electric conductivity and stability, the tab cushion block 2 of busbar connector 5 and two batteries is all welding.One
As, multiple batteries can be combined according to actual needs, form big battery modules.It is 6 pieces of battery packs in figure
At battery modules, and welded between battery and adjacent battery by busbar connector 5, connection type is followed successively by 6 pieces of batteries two-by-two
Connection.Lock 7 and salient point 6 are additionally provided on battery, when forming battery modules, battery and battery cooperate, i.e., electric
The lock 7 in pond is engaged with the salient point 6 of adjacent cell, is fixedly connected.Since one piece of battery includes two battery cores 4, and this
Battery modules include 6 pieces of batteries, that is, form the battery modules of 2P6S.Pass through busbar connector 5 between the battery and battery of battery modules
Connection, busbar connector 5 are connect with the tab cushion block 2 of the boss structure of battery, significantly increase busbar connector 5 and battery pole ear cushion block 2
Contact surface, reduce the resistance of battery modules, and busbar connector 5 and battery pole firm welding, be not likely to produce rosin joint.
The utility model embodiment can be sequentially adjusted, merged and deleted according to actual needs.
This programme is described in detail in embodiment, structure of the specific case to the utility model used herein
Principle and embodiment is expounded, and above embodiments are merely used to help understand the method for the utility model and its core is thought
Think；At the same time, for those skilled in the art in specific embodiment and applies model based on the idea of the present invention
Place that there will be changes, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of battery, it is characterised in that: including the first battery core, the second battery core, cell polar ear and tab cushion block；
First battery core is connect side by side with the second battery core；
Tab cushion block cross section is boss structure, is set between the first battery core and the second battery core；
The cell polar ear extends out from the first battery core and the second battery core respectively, the pole of the cell polar ear and boss structure
Ear pad block is fixedly connected.
2. battery according to claim 1, it is characterised in that: the tab cushion block embedded in the first battery core and the second battery core it
Between.
3. battery according to claim 1, it is characterised in that: the weldering of the tab cushion block of the cell polar ear and boss structure
It connects.
4. battery according to claim 1, it is characterised in that: further include the positioning column for being positioned to tab cushion block, institute
It states positioning column and is set to tab cushion block two sides.
5. battery according to claim 1, it is characterised in that: the tab cushion block cross section of the boss structure is isosceles ladder
Shape boss structure.
6. battery according to claim 1, it is characterised in that: the tab cushion block of the boss structure is " king " font.
7. a kind of battery modules, it is characterised in that: including any battery of several claim 1-5, the battery and electricity
Connected between pond by busbar connector, described busbar connector one end connect with the tab cushion block upper surface of a battery, busbar connector it is another
End is connect with the tab cushion block upper surface of another battery.
8. battery modules according to claim 7, it is characterised in that: the welding of the tab cushion block of the busbar connector and battery.
9. battery modules according to claim 8, it is characterised in that: the battery is 6 pieces, and 6 pieces of batteries pass through busbar connector
It is sequentially connected two-by-two.
10. battery modules according to claim 7, it is characterised in that: lock and salient point are additionally provided on the battery,
When the battery connects side by side, adjacent two battery is engaged by lock with salient point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055081.3U CN209401720U (en) | 2019-01-14 | 2019-01-14 | A kind of battery and its battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920055081.3U CN209401720U (en) | 2019-01-14 | 2019-01-14 | A kind of battery and its battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401720U true CN209401720U (en) | 2019-09-17 |
Family
ID=67898226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920055081.3U Active CN209401720U (en) | 2019-01-14 | 2019-01-14 | A kind of battery and its battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401720U (en) |
-
2019
- 2019-01-14 CN CN201920055081.3U patent/CN209401720U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230426 Granted publication date: 20190917 |
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| PP01 | Preservation of patent right |