CN210926139U - Pole lug protection element - Google Patents
Pole lug protection element Download PDFInfo
- Publication number
- CN210926139U CN210926139U CN201921977903.XU CN201921977903U CN210926139U CN 210926139 U CN210926139 U CN 210926139U CN 201921977903 U CN201921977903 U CN 201921977903U CN 210926139 U CN210926139 U CN 210926139U
- Authority
- CN
- China
- Prior art keywords
- cambered surface
- utmost point
- point ear
- screening glass
- protection element
- 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.)
- Active
Links
- 238000012216 screening Methods 0.000 claims abstract description 34
- 239000011521 glass Substances 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000004049 embossing Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 2
- 230000014509 gene expression Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 13
- 238000001179 sorption measurement Methods 0.000 abstract description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 6
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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 belongs to the technical field of power battery, concretely relates to utmost point ear protection component, including the screening glass, the screening glass bending type is formed with first cambered surface and second cambered surface, and at least one of first cambered surface and second cambered surface is provided with the knurling. The utility model discloses not only prevented utmost point ear effectively and appeared cracked problem when the welding, still avoided a plurality of utmost point ear screening glass that lithium ion power battery appears in the production process simultaneously with utmost point ear welded condition, both avoided utmost point ear screening glass multilayer adsorption phenomenon to appear at the material loading in-process, also improved utmost point ear protection component's performance and quality.
Description
Technical Field
The utility model belongs to the technical field of power battery, concretely relates to utmost point ear protection component.
Background
The tab is a component of the lithium ion power battery, and in the process of manufacturing the battery, because the thickness of the tab is very thin, the broken condition of the tab is easy to occur, and moreover, the tab of the lithium ion power battery is easy to weld with a plurality of tab protection plates when being welded, so that the poor cold welding condition of the tab and the tab protection plates is caused.
The applicant finds that the phenomenon of mutual adsorption between the tab protection plates is easily caused in the feeding process of the conventional tab protection plates, and further the problem that the tabs are easily welded with a plurality of tab protection plates during welding is caused. Therefore, a new tab protection element is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the tab protection element is provided aiming at the defects of the prior art, so that the problem of breakage of tabs during welding is effectively prevented, the condition that a plurality of tab protection plates are welded with the tabs simultaneously in the production process of a lithium ion power battery is avoided, the condition of poor tab welding is effectively improved, the phenomenon of multi-layer adsorption of the tab protection plates in the feeding process is avoided, and the performance and the quality of the tab protection element are also improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a utmost point ear protection component, includes the screening glass, the screening glass bending type has first cambered surface and second cambered surface, first cambered surface with at least one of second cambered surface is provided with the knurling, the knurling is rolled or is rolled by the mould and form.
Further, the knurling set up in first cambered surface to cover the whole surface of first cambered surface, first cambered surface is in the in-process butt joint in battery tab's surface of welding battery tab with the screening glass, second cambered surface is smooth, the second cambered surface is in the material loading in-process and the sucking disc contact of screening glass.
Further, the radian of first cambered surface with the second cambered surface is the same or inequality, when the radian of first cambered surface and second cambered surface is inequality, can make the profile of tooth of first cambered surface and second cambered surface stagger to increase the space between first cambered surface and the second cambered surface, avoided forming vacuum, the negative pressure adsorption condition between first cambered surface and the second cambered surface, thereby improved the efficiency that the screening sheet was adsorbed the material loading by the sucking disc.
Further, the radian of the first cambered surface is greater than or equal to the radian of the second cambered surface.
Further, the radian of the first cambered surface is U, the radian of the second cambered surface is V, and the first cambered surface and the second cambered surface respectively satisfy the following relation: 90 ° < U <180 °, 90 ° < V <180 °.
Further, the embossments extend from the surface of the first arc surface toward the inside of the protective sheet.
Further, the number of the embossments is set to be a plurality, and the embossments are uniformly or non-uniformly distributed along the first cambered surface.
Further, the cross-sectional shape of the embossments is circular, oval, polygonal or irregular, wherein the polygonal shape includes, but is not limited to, triangular, diamond, rectangular, pentagram, hexagonal.
Further, the diameter of the emboss having a circular cross-sectional shape is 0.01 to 0.1 mm.
Further, the thickness of the protection sheet is 0.15-0.3 mm, and the embossing depth is 0.01-0.1 mm.
Further, the number of the embossments is set to be a plurality, and the area of each embossment is 0.01-0.1 mm2。
Further, the one end of protection sheet is provided with prevents slow-witted angle, prevent slow-witted angle and be used for making a plurality ofly the protection sheet is followed prevent the edge separation at slow-witted angle, prevent slow-witted angle also can be used for making a plurality ofly the protection sheet is put according to same direction.
Further, a plurality of the embossments are provided at intervals from each other, and the shape of the embossments is concave or convex.
Further, utmost point ear protection component still includes the connection piece, the connection piece set up in the screening sheet first cambered surface, the tensile strength of connection piece is 500 ~ 700MPa, the connection piece is used for improving the tensile strength of screening sheet is right the screening sheet carries out the locking location.
The beneficial effects of the utility model reside in that: the utility model discloses a utmost point ear protection component, including the screening glass, the screening glass bending type has first cambered surface and second cambered surface, first cambered surface with at least one of second cambered surface is provided with the knurling, the screening glass is through buckling the back, can effectively avoid appearing the inseparable phenomenon of mutual stack-up between screening glass and the screening glass, and, carried out the knurling to the surface of screening glass and handled, can improve the roughness of screening glass to increased the frictional force between screening glass and the screening glass effectively, can not appear forming vacuum negative pressure and the phenomenon of mutual absorption between screening glass and the screening glass, thereby solved utmost point ear when the welding simultaneously with a plurality of utmost point ear screening glass welded problem, make utmost point ear can not appear welding simultaneously with a plurality of utmost point ear screening glass in the welding.
Drawings
Fig. 1 is a structural diagram of embodiment 1 of the present invention.
Fig. 2 is a side view of embodiment 1 of the present invention.
Fig. 3 is a side view of embodiment 2 of the present invention.
Fig. 4 is a structural diagram of embodiment 5 of the present invention.
Wherein: 1-a protective sheet; 2-embossing; 11-a first arc surface; 12-a second arc surface; 13-fool-proof corner.
Detailed Description
As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-2, a tab protection element comprises a protection sheet 1, wherein the protection sheet 1 is bent to form a first arc surface 11 and a second arc surface 12, at least one of the first arc surface 11 and the second arc surface 12 is provided with an embossment 2, and the embossment 2 is formed by rolling with a rolling die.
Preferably, the embossments 2 are arranged on the first arc surface 11 and cover the whole surface of the first arc surface 11, a transition fillet is arranged at the joint between the first arc surface 11 and the second arc surface 12, and the surface of the second arc surface 12 is smooth.
Preferably, the radian of the first cambered surface 11 and the second cambered surface 12 are both 160-179 degrees.
Preferably, the arc degree of the first arc surface 11 is U, the arc degree of the second arc surface 12 is V, the arc degrees of the first arc surface 11 and the second arc surface 12 are the same, and U is 170 °.
Preferably, the embossments 2 extend from the surface of the first arc surface 11 to the inside of the protection sheet 1, the number of the embossments 2 is set to be plural, the plural embossments 2 are unevenly distributed along the first arc surface 11, the cross-sectional shape of each embossment 2 is triangular, and the area of each embossment 2 is 0.05mm2。
Preferably, the embossing 2 has a depth of 0.02 to 0.05mm, the protective sheet 1 has a thickness of 0.2 to 0.25mm, and the embossing 2 is not too deep to prevent the embossing 2 from damaging the protective sheet 1.
Preferably, one end of the protection sheet 1 is provided with a fool-proof corner 13, and when several protection sheets 1 are stuck together, several protection sheets 1 can be separated from the fool-proof corner 13.
Example 2
As shown in fig. 3, the embodiment is different from embodiment 1 in that the radian of the first arc surface 11 is set to 176 °, the radian of the second arc surface 12 is set to 163 °, when the radians of the first arc surface 11 and the second arc surface 12 are made to be unequal, the cross-sectional structure of the protection sheet 1 can find that the tooth profiles of the inner surfaces of the protection sheet 1 in the forming process are staggered, and no adsorption phenomenon is generated between the first arc surface 11 and the second arc surface 12 of the protection sheet 1, so that the feeding efficiency of the protection sheet 1 is improved.
Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.
Example 3
The difference of this embodiment and embodiment 1 is that this utmost point ear protection component still includes the connection piece, and the connection piece sets up in the first cambered surface 11 of screening glass 1, and the connection piece welds in the first cambered surface 11 of screening glass 1, and the tensile strength of connection piece is 500 ~ 700MPa, can play the additional strengthening to screening glass 1, is favorable to improving utmost point ear protection component's high temperature resistant and wear resistant performance.
Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.
Example 4
The difference between this embodiment and embodiment 1 is that the embossments 2 are uniformly distributed along the first arc surface 11, the cross-sectional shape of each embossment 2 is circular, the diameter of each embossment 2 is 0.02mm, and the embossments 2 are arranged in an equally spaced matrix, so that one surface of the protection sheet 1 can have uniform roughness after being subjected to embossing treatment.
Other structures of this embodiment are the same as those of embodiment 1, and are not described herein again.
Example 5
As shown in fig. 4, when electric core ultrasonic welding, protect piece 1, connection piece and utmost point ear fixed connection weld together, protect piece 1 can prevent effectively that utmost point ear from breaking, protect piece 1 is provided with knurling 2 with the one side of utmost point ear contact, at the material loading in-process of protect piece 1, the adsorption phenomenon between piece and piece can not appear, thereby prevent effectively that the welding multi-disc can appear in utmost point ear welding process and make the ultrasonic welding rosin joint, or the aluminium protection piece falls on the copper utmost point ear in the adsorption process, the copper protection piece falls the emergence of leading to welding phenomenons such as bad on the aluminium utmost point ear, the condition that a plurality of protect pieces 1 appear simultaneously with utmost point ear welding in lithium ion battery automated production process has been avoidd, protect piece 1 has been avoided appearing multilayer adsorption phenomenon in material loading in-process.
According to the embodiment, the utility model discloses a screening glass 1 is after the knurling is handled, has avoidd lithium ion power battery effectively and has appeared a plurality of screening glass 1 simultaneously and utmost point ear welded condition in process of production, has improved the bad condition of utmost point ear welding effectively, has both avoided screening glass 1 to appear a plurality of screening glass 1 mutual adsorption phenomena at the material loading in-process, has also improved the physical strength of utmost point ear protection component to the quality of utmost point ear protection component has been promoted.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A tab protection element, characterized by: including screening glass (1), screening glass (1) bending type is formed with first cambered surface (11) and second cambered surface (12), first cambered surface (11) with at least one of second cambered surface (12) is provided with knurling (2).
2. The tab protection element as claimed in claim 1, wherein: the embossing (2) is arranged on the first cambered surface (11) and covers the whole surface of the first cambered surface (11).
3. The tab protection element as claimed in claim 1, wherein: the radian of the first cambered surface (11) and the radian of the second cambered surface (12) are the same or different.
4. The tab protection element as claimed in claim 3, wherein: the radian of the first cambered surface (11) is U, the radian of the second cambered surface (12) is V, and the first cambered surface and the second cambered surface respectively satisfy the following relational expressions: 90 ° < U <180 °, 90 ° < V <180 °.
5. The tab protection element as claimed in claim 1, wherein: the embossings (2) extend from the surface of the first arc surface (11) towards the inside of the protective sheet (1).
6. The tab protection element as claimed in claim 1, wherein: the number of the embossments (2) is set to be a plurality of, and the embossments (2) are uniformly or non-uniformly distributed along the first cambered surface (11).
7. The tab protection element as claimed in claim 1, wherein: the cross section of the embossing (2) is round, oval, polygonal or irregular.
8. The tab protection element as claimed in claim 1, wherein: the thickness of the protection sheet (1) is 0.15-0.3 mm, and the depth of the embossing (2) is 0.01-0.1 mm.
9. The tab protection element as claimed in claim 6, wherein: each embossing (2) has an area of 0.01-0.1 mm2。
10. The tab protection element as claimed in claim 1, wherein: one end of the protection sheet (1) is provided with a fool-proof angle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977903.XU CN210926139U (en) | 2019-11-15 | 2019-11-15 | Pole lug protection element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977903.XU CN210926139U (en) | 2019-11-15 | 2019-11-15 | Pole lug protection element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210926139U true CN210926139U (en) | 2020-07-03 |
Family
ID=71352477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921977903.XU Active CN210926139U (en) | 2019-11-15 | 2019-11-15 | Pole lug protection element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210926139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231239A (en) * | 2022-12-20 | 2023-06-06 | 厦门海辰储能科技股份有限公司 | Tab welding protection sheet, welding structure, energy storage device and electric equipment |
-
2019
- 2019-11-15 CN CN201921977903.XU patent/CN210926139U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231239A (en) * | 2022-12-20 | 2023-06-06 | 厦门海辰储能科技股份有限公司 | Tab welding protection sheet, welding structure, energy storage device and electric equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210926139U (en) | Pole lug protection element | |
| US20120058360A1 (en) | Clad plate | |
| CN201815794U (en) | Rolling welding mechanism for tabs | |
| CN1148814C (en) | Cladding material | |
| CN1160809C (en) | Safety valve element for battery and battery case cap with safety valve | |
| CN112821011A (en) | Production process of new energy battery lap welding soft connecting sheet and product thereof | |
| WO2023246075A1 (en) | Battery case and battery | |
| CN110534797B (en) | Special-shaped lithium battery and manufacturing method thereof | |
| CN114204224A (en) | Battery with a battery cell | |
| WO2023000644A1 (en) | Honeycomb core material | |
| WO2022206866A1 (en) | Battery | |
| CN215658402U (en) | Ultrasonic welding head and ultrasonic welding equipment with same | |
| US11145868B2 (en) | Electrode piece, cell and energy storage device | |
| CN213520231U (en) | Novel cylinder lithium cell cap and novel cylinder lithium cell | |
| CN215496986U (en) | New energy battery overlap welding soft connection piece | |
| CN113422169A (en) | Current collector assembly, battery monomer and battery pack | |
| JPWO2018079432A1 (en) | Hollow resin plate | |
| CN210744059U (en) | Tab and busbar connection structure and battery module | |
| CN218472198U (en) | Explosion-proof membrane mounting structure of lithium ion power battery | |
| KR101632954B1 (en) | Honeycomb-shaped border of a disc-type heat exchanger | |
| CN214671867U (en) | Three-layer stitch welding copper bar product structure | |
| WO2024087020A1 (en) | Ultrasonic welding head and welding apparatus | |
| CN109124292B (en) | Pot, manufacturing method thereof and cooking equipment | |
| CN114535298B (en) | Metal plate rolling compounding method, rolling forming composite plate and roller | |
| CN212888996U (en) | Mask welding mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220113 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: 211100 Lantian Road 249, 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. |
|
| TR01 | Transfer of patent right | ||
| 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 |
|
| CP03 | Change of name, title or address |