CN209561529U - A kind of assembling structure and power battery of power battery post - Google Patents
A kind of assembling structure and power battery of power battery post Download PDFInfo
- Publication number
- CN209561529U CN209561529U CN201920289029.4U CN201920289029U CN209561529U CN 209561529 U CN209561529 U CN 209561529U CN 201920289029 U CN201920289029 U CN 201920289029U CN 209561529 U CN209561529 U CN 209561529U
- Authority
- CN
- China
- Prior art keywords
- pole
- power battery
- ventilating
- conductive matrix
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011159 matrix material Substances 0.000 claims abstract description 56
- 238000003466 welding Methods 0.000 claims abstract description 26
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 230000010485 coping Effects 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation 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 pole assembling structures of power battery, belong to battery technology field, including pole and conductive matrix, through-hole is offered on conductive matrix, pole is arranged in through-hole, pole is by being welded to connect in through-hole wall, so that forming annular groove between pole and conductive matrix, the ventilating structure of connection annular groove and conductive matrix external environment is provided on conductive matrix.The utility model passes through setting ventilating structure, it enables to when the piece that will be flexible coupling is welded with pole and conductive matrix, the gas generated in welding process enters in annular groove, and it is discharged out of annular groove by ventilating groove, it avoids gas from causing welding position the defects of burst point, crackle, stomata occur by welding pool discharge, guarantees the security performance and service performance of power battery.The utility model additionally provides a kind of power battery, has above-mentioned pole assembling structure, can be improved the welding quality of soft even pole piece and pole and conductive matrix.
Description
Technical field
The utility model relates to the assembling structures and power electric of battery technology field more particularly to a kind of power battery post
Pond.
Background technique
With the development of modern society and the enhancing of people's environmental consciousness, more and more equipment select lithium battery as electricity
Source, such as mobile phone, laptop, electric tool and electric car, this is the wide using providing with development of lithium battery
Space.Wherein, lithium battery used in electric tool and electric car etc. is commonly referred to as power battery.
Important component of the top cover as power battery generally comprises coping plate, pole and conductive matrix etc..Wherein,
Pole is the inside and outside component be connected of power battery.Pole is installed on coping plate, and pole passes through conductive matrix, and pole passes through
It is welded to connect in conductive matrix, therefore an annular groove can be formed between pole and conductive matrix, in the subsequent piece that will be flexible coupling
When with positive and negative terminals and conductive base block welding, weld inside the gas and annular groove of generation that when gases are heated, they expand, Zhi Nengtong
Welding pool discharge is crossed, causes welding region the defects of burst point, crackle, stomata occur, influences the security performance and use of battery
Performance.
Utility model content
It is soft to realize the purpose of this utility model is to provide the pole assembling structure and power battery of a kind of power battery
The welding of connection sheet and pole and conductive matrix is good, and welding position is avoided the defects of stomata, crackle, burst point occur.
As above design, the technical scheme adopted by the utility model is
A kind of pole assembling structure of power battery, including pole and conductive matrix, which is characterized in that the conduction matrix
On offer through-hole, the pole is arranged in the through-hole, the pole by be welded to connect in the through-hole wall so that
Annular groove is formed between the pole and the conductive matrix, be provided on the conduction matrix connection annular groove and
The ventilating structure of the conduction matrix external environment.
Further, the ventilating structure includes the ventilating groove for being set to the conductive matrix surface, and the ventilating groove connects
Pass through the annular groove.
Further, the ventilating structure further includes gas-permeable nets, and the gas-permeable nets are set in the ventilating groove.
Further, the ventilating structure further includes air permeable plate, and the air permeable plate is set in the ventilating groove, and described
Multiple air holes are offered on air permeable plate.
Further, the width of the ventilating groove is 0.2mm-4mm, depth 0.1mm-2mm.
Further, the ventilating structure is the air hole being set to inside the conductive matrix, the air hole connection
In the annular groove.
Further, the pole includes the column structure of pedestal and setting on the base, and the column structure is worn
In the through-hole.
To achieve the above object, present invention also provides a kind of power batteries, including pole assembling structure described above.
Further, the power battery further includes coping plate and the piece that is flexible coupling, and the pole is installed on the coping plate
On, the piece that is flexible coupling is connect with the pole and the conductive base block welding respectively.
Further, the power battery further includes insulated plastic part, and the insulated plastic part is set to the conductive base
Between block and the coping plate.
The utility model has the following beneficial effects:
The utility model proposes pole assembling structure, by be arranged ventilating structure, enable to will be flexible coupling piece with
When pole and conductive matrix are welded, the gas generated in welding process is entered in annular groove, and passes through ventilating groove
It is discharged out of annular groove, avoids gas from causing welding position burst point, crackle, stomata etc. occur by welding pool discharge and lack
It falls into, guarantees the security performance and service performance of power battery.
Power battery provided by the utility model has above-mentioned pole assembling structure, can be improved soft even pole piece and pole
With the welding quality of conductive matrix, the tightness of connection structure is improved, reduces the risk for Joint failure occur.
Detailed description of the invention
Fig. 1 is the top view for the power battery that the utility model embodiment one provides；
Fig. 2 is the top view for the power battery that the utility model embodiment two provides.
In figure:
10, liquid injection hole；101, annular groove；11, positive terminal；12, negative terminal；21, positive conductive matrix；211, it breathes freely
Slot；22, negative conductive matrix；3, insulated plastic part.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Present embodiments provide a kind of power battery, including shell, coping plate, battery core, be flexible coupling piece and pole assembly knot
The primary structures such as structure, wherein pole is connected to the tab of battery core by the piece that is flexible coupling, and shell is the tubular that one end is provided with opening
Structure, battery core are located in shell, and coping plate lid is located at the open end of shell, and liquid injection hole 10 is offered on coping plate, passes through fluid injection
Electrolyte is injected in hole 10 into shell, and seals liquid injection hole 10 after pouring electrolyte.
Fig. 1 is the top view of power battery provided in this embodiment.As shown in Figure 1, present embodiments providing a kind of pole
Assembling structure, including pole and conductive matrix, pole includes positive terminal 11 and negative terminal 12, and positive terminal 11 and negative terminal 12 pass through
Same mode is mounted on the both ends of coping plate, and conductive matrix includes the identical positive conductive matrix 21 of structure and negative conductive base
Block 22, wherein positive terminal 11 corresponds to positive conductive matrix 21, and negative terminal 12 corresponds to negative conductive matrix 22.
It is illustrated by taking positive terminal 11 as an example, positive terminal 11 is installed on coping plate, and positive terminal 11 includes pedestal and setting
Column structure on pedestal is provided with the convex closure for protruding from upper surface on coping plate, and convex closure is formed in the lower surface of coping plate
Convex closure receiving portion is provided with pole mounting hole in convex closure, and the column structure of positive terminal 11 is installed on top cover by pole mounting hole
On piece, the pedestal of positive terminal 11 is located in convex closure receiving portion at this time, and the column structure of positive terminal 11 is arranged in pole mounting hole,
And the part-structure of column structure is pierced by out of pole mounting hole.
Positive conductive matrix 21 is set on coping plate, and insulation is provided between positive conductive matrix 21 and coping plate
Plastic parts 3.Through-hole is offered on positive conductive matrix 21, the column structure of positive terminal 11 is arranged in through-hole, and positive terminal 11
Column structure by being welded to connect in the inner wall of through-hole, therefore after the completion of welding, can positive terminal 11 column structure and
Annular groove 101 is formed between positive conductive matrix 21, and connection annular groove 101 and anode are provided on positive conductive matrix 21
The ventilating structure of conductive 21 external environment of matrix, in the present embodiment, ventilating structure include being set on positive conductive matrix 21
Ventilating groove 211, the width of ventilating groove 211 is 0.2mm-4mm, depth 0.1mm-2mm, and the depth of ventilating groove 211 is small
In the thickness of positive conductive matrix 21, ventilating groove 211 is provided with one, and ventilating groove 211 is along the length of positive conductive matrix 21
Or width direction extends, and ventilating groove 211 runs through 21 length or width direction both ends of positive conductive matrix, that is to say, that thoroughly
Air drain 211 divides for two parts, and is connected to annular groove 101, and certainly in other embodiments, ventilating structure can also be open
The air hole being located inside positive conductive matrix 21, air hole are connected to the outside of annular groove 101 and positive conductive matrix 21
Environment.
In addition, ventilating structure further includes air permeable plate, air permeable plate is set in ventilating groove 211, and is offered on air permeable plate more
A air hole.Certainly in other embodiments, ventilating structure can also include gas-permeable nets, and gas-permeable nets are set in ventilating groove 211,
By the way that air permeable plate is arranged, enables to the gas in annular groove 101 more equably to overflow out of air hole, avoid to soft company
The welding process of contact pin has an impact, but also can enhance the intensity of positive conductive matrix 22, improves the safety of power battery
Energy.
The assembly knot of the assembling structure of negative conductive matrix 22 and negative terminal 12 and positive conductive matrix 21 and positive terminal 11
Structure is identical, and details are not described herein.
By above-mentioned ventilating groove 211, enable to be carried out with positive terminal 11 and positive conductive matrix 21 piece will be flexible coupling
When welding, the gas generated in welding process is entered in annular groove 101, and passes through ventilating groove 211 from annular groove 101
Interior discharge avoids gas from causing welding position the defects of burst point, crackle, stomata occur by welding pool discharge, and then improves
The conveyance capacity of welding position improves the service performance and security performance of power battery.
Power battery provided in this embodiment has above-mentioned pole assembling structure, can be improved soft even pole piece and pole and
The welding quality of conductive matrix can be improved the tightness of connection structure, reduce the risk for Joint failure occur, and can mention
The conveyance capacity of high welding position improves the service performance and security performance of power battery.
Embodiment two
Fig. 2 is the top view of power battery provided in this embodiment.As shown in Fig. 2, pole assembly provided in this embodiment
Structure and the pole assembling structure in embodiment one are essentially identical, the difference is that: the ventilating groove 211 in the present embodiment is arranged
There are two, two ventilating grooves 211 extend along the length or width direction of positive conductive matrix 21, and ventilating groove 211 runs through
Both ends on 21 length or width direction of positive conductive matrix.Certainly in other embodiments, two ventilating grooves 211 can also be opposite
It is obliquely installed, angle between the two is 0 ° -90 °.
A kind of power battery is present embodiments provided, there is above-mentioned pole assembling structure, can be improved soft even pole piece and pole
The welding quality of column and conductive matrix, can be improved the tightness of connection structure, reduce the risk for Joint failure occur, Er Qieneng
The conveyance capacity for enough improving welding position, improves the service performance and security performance of power battery.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of pole assembling structure of power battery, including pole and conductive matrix, which is characterized in that on the conduction matrix
Through-hole is offered, the pole is arranged in the through-hole, and the pole is by being welded to connect in the through-hole wall, so that institute
It states and forms annular groove (101) between pole and the conductive matrix, it is recessed to be provided with the connection annular on the conduction matrix
The ventilating structure of slot (101) and the conductive matrix external environment.
2. pole assembling structure according to claim 1, which is characterized in that the ventilating structure includes being set to described lead
The ventilating groove (211) of electric matrix surface, the ventilating groove (211) are connected to the annular groove (101).
3. pole assembling structure according to claim 2, which is characterized in that the ventilating structure further includes gas-permeable nets, institute
Gas-permeable nets are stated to be set in the ventilating groove (211).
4. pole assembling structure according to claim 2, which is characterized in that the ventilating structure further includes air permeable plate, institute
It states air permeable plate to be set in the ventilating groove (211), and offers multiple air holes on the air permeable plate.
5. pole assembling structure according to claim 2, which is characterized in that the width of the ventilating groove (211) is
0.2mm-4mm, depth 0.1mm-2mm.
6. pole assembling structure according to claim 1, which is characterized in that the ventilating structure is to be set to the conduction
Air hole inside matrix, the air hole are connected to the annular groove (101).
7. pole assembling structure according to claim 1, which is characterized in that the pole includes pedestal and is arranged described
Column structure on pedestal, the column structure are arranged in the through-hole.
8. a kind of power battery, which is characterized in that including the described in any item pole assembling structures of such as claim 1-7.
9. power battery according to claim 8, which is characterized in that the power battery further includes coping plate and is flexible coupling
Piece, the pole are installed on the coping plate, and the piece that is flexible coupling connects with the pole and the conductive base block welding respectively
It connects.
10. power battery according to claim 9, which is characterized in that the power battery further includes insulated plastic part
(3), the insulated plastic part (3) is set between the conductive matrix and the coping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289029.4U CN209561529U (en) | 2019-03-07 | 2019-03-07 | A kind of assembling structure and power battery of power battery post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289029.4U CN209561529U (en) | 2019-03-07 | 2019-03-07 | A kind of assembling structure and power battery of power battery post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209561529U true CN209561529U (en) | 2019-10-29 |
Family
ID=68312568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920289029.4U Active CN209561529U (en) | 2019-03-07 | 2019-03-07 | A kind of assembling structure and power battery of power battery post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209561529U (en) |
-
2019
- 2019-03-07 CN CN201920289029.4U patent/CN209561529U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220125 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 210000 249 Lantian Road, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |