CN216054917U - Outer tab structure of chemical power supply - Google Patents
Outer tab structure of chemical power supply Download PDFInfo
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- CN216054917U CN216054917U CN202121101388.6U CN202121101388U CN216054917U CN 216054917 U CN216054917 U CN 216054917U CN 202121101388 U CN202121101388 U CN 202121101388U CN 216054917 U CN216054917 U CN 216054917U
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- connecting part
- chemical power
- power supply
- tab
- positioning pin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an outer tab structure of a chemical power supply, which comprises a chemical power supply cover substrate main body and outer tabs; the chemical power supply cover substrate main body is connected with the outer lug; the outer tab comprises a V-shaped main body and a mountain-shaped pin; a V-shaped body including a first tab connection part and a second tab connection part; the rear ends of the first lug connecting part and the second lug connecting part are respectively connected with the left side and the right side of the lower part of the chevron pin; the surface of the chevron pin is covered with a metal coating, and the front end and the rear end of the top of the first lug connecting part and the top of the second lug connecting part are respectively provided with a soldering assembly support column; the front ends of the bottoms of the first lug connecting part and the second lug connecting part are respectively provided with a first positioning pin; the rear ends of the first tab connecting part and the second tab connecting part are respectively provided with an arc-shaped bending part. The utility model can ensure that a larger contact area exists between the main body of the chemical power supply cover substrate and the outer electrode lug, effectively avoids poor contact and ensures convenient and reliable connection.
Description
Technical Field
The utility model relates to the technical field of chemical power supplies, in particular to an outer tab structure of a chemical power supply.
Background
At present, with the obvious energy consumption problem and environmental pollution, chemical power supplies such as super capacitors, lithium ion batteries and the like are widely applied to the fields of mobile equipment, portable communication equipment, automobiles, rail transit, electric bicycles and the like due to the characteristics of environmental protection and reutilization.
The internal resistance has a great significance in the main performance indexes of the chemical power source, and determines the power performance and the self-discharge capacity of the chemical power source.
The internal resistance composition of the chemical power supply specifically comprises: the electrode has internal resistance and contact resistance of structural member, wherein, the outer utmost point ear is as the indispensable a part that chemical power source has, mainly plays conduction electric current and with external circuit connection etc. effect, must fix on chemical power source through modes such as welding.
Therefore, in the production process of the chemical power supply, the connection of the external tab and the chemical power supply main body is of great importance, the connection directly influences the conductivity of the product, if the connection area of the external tab and the chemical power supply main body is too small, poor contact is easily caused, the problem of too large internal resistance of the tab is easily caused, and the problems of wave soldering and the like of a PCB (printed circuit board) are further caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an outer tab structure of a chemical power supply, aiming at the technical defects in the prior art.
Therefore, the utility model provides an outer tab structure of a chemical power supply, which comprises a chemical power supply cover substrate main body and an outer tab;
the cross section of the chemical power supply cover substrate main body is circular;
the chemical power supply cover substrate main body is connected with the outer lug;
the outer tab comprises a V-shaped main body and a mountain-shaped pin;
the V-shaped main body comprises a first lug connecting part and a second lug connecting part which are distributed in a bilateral symmetry manner;
the rear ends of the first lug connecting part and the second lug connecting part are respectively connected with the left side and the right side of the lower part of the chevron pin;
wherein, the outer pole ear is of an integrally formed structure;
the surface of the mountain-shaped pin is covered with a metal coating, and the metal coating is an electroplated coating formed by electroplating tin and/or nickel;
the front end and the rear end of the top of the first lug connecting part and the top of the second lug connecting part are respectively provided with a soldering assembly supporting column;
the top planes of the tin soldering assembly support columns on the first lug connecting part and the second lug connecting part are positioned on the same plane and are horizontal planes;
the front ends of the bottoms of the first lug connecting part and the second lug connecting part are respectively provided with a first positioning pin;
the bottom planes of the first positioning pin and the second positioning pin on the first lug connecting part and the second lug connecting part are on the same plane and are horizontal planes;
the top of the chemical power supply cover substrate main body is provided with a first slot corresponding to the first positioning pin;
the first slot is used for inserting the first positioning pin;
the shape and size of the first slot are correspondingly matched with those of the first positioning pin
The rear ends of the first lug connecting part and the second lug connecting part are respectively provided with an arc-shaped bent part;
the arc-shaped bent parts of the first lug connecting part and the second lug connecting part are respectively connected with the left side and the right side of the lower part of the chevron-shaped pin.
Preferably, the outer tab is of a punched structure.
Preferably, the chemical power source cover substrate body is mounted on the top of the cylindrical chemical power source;
the chemical power supply cover substrate main body comprises a lug mounting table surface and a chamfer;
and the chamfer is positioned at the peripheral edge of the bottom of the lug mounting table surface and is used for being embedded into the top circular opening of the cylindrical chemical power supply and is welded with the top circular opening of the chemical power supply by laser.
Preferably, the top planes of the first lug connecting part and the second lug connecting part and the lower parts of the front side and the rear side of the soldering assembly supporting column are respectively provided with an arc-shaped transition chamfer groove.
Preferably, the transverse width of the first positioning pin is equal to that of the soldering assembly supporting column;
the length of the first positioning pin is greater than that of the soldering assembly support column;
the central point of first location is participated in, and the central point of soldering assembly support column is located same vertical line.
Preferably, the lower part of the chevron pin is provided with a second positioning pin;
the top of the chemical power supply cover substrate main body is provided with a second slot corresponding to the first positioning pin;
the second slot is used for inserting a second positioning pin at the lower part of the chevron pin;
the shape and size of the second slot are correspondingly matched with those of the second positioning pin.
Preferably, when the second positioning pin at the lower part of the chevron-shaped pin is inserted into the second slot and the first positioning pin is inserted into the first slot, the bottom surfaces of the parts of the bottoms of the first lug connecting part and the second lug connecting part except the first positioning pin are in close contact with the top plane of the chemical power supply cover substrate main body.
Preferably, the top of the mountain-shaped pin is provided with three pins arranged at equal intervals;
a soldering assembly positioning groove is formed between any two adjacent pins.
Preferably, the height of the bottom surface of the soldering assembly positioning groove is higher than that of the top surface of the soldering assembly supporting column.
Compared with the prior art, the technical scheme provided by the utility model has the advantages that the external lug structure of the chemical power supply is scientific in structural design, larger contact area between the main body of the cover substrate of the chemical power supply and the external lug can be ensured, poor contact is effectively avoided, convenience and reliability in connection are ensured, and the practical significance is great.
Drawings
Fig. 1 is a schematic view of an external tab structure of a chemical power source provided by the present invention;
fig. 2 is a schematic structural view of an outer tab portion in an outer tab structure of a chemical power source provided by the utility model.
Detailed Description
In order to make the technical means for realizing the utility model easier to understand, the following detailed description of the present application is made in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In addition, it should be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the term "mounted" and the like should be interpreted broadly, and may be, for example, either fixedly mounted or detachably mounted.
The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
Referring to fig. 1 and fig. 2, the utility model provides an external tab structure of a chemical power supply, comprising a chemical power supply cover substrate body 1 and an external tab 2;
the cross section of the chemical power supply cover substrate body 1 is circular;
a chemical power source cover substrate body 1 connected (e.g., welded) to the outer tab 2;
the outer tab 2 comprises a V-shaped main body 21 and a chevron-shaped pin 22;
the V-shaped main body 21 includes a first tab connecting portion 211 and a second tab connecting portion 212 which are symmetrically distributed;
the rear ends of the first tab connecting part 211 and the second tab connecting part 212 are connected to the left and right sides of the lower part of the chevron pin 22, respectively;
wherein, the outer tab 2 is an integrally formed structure (i.e. the first tab connecting portion 211, the second tab connecting portion 212 and the chevron-shaped pin 22 are integrally formed); therefore, the outer pole lug is formed at one time, so that the production efficiency is improved conveniently.
The surface of the chevron pin 22 is covered with a metal plating layer, and the metal plating layer is formed by electroplating tin and/or nickel.
In the present invention, the outer tab 2 mainly functions to conduct current and connect to an external circuit, and is fixed to the chemical power supply lid substrate body 1 of the chemical power supply by welding or the like.
In the present invention, the outer tab 2 is preferably formed by punching.
It should be noted that, the outer tab 2 is punched and cut into the V-shaped main body and the mountain-shaped pins through the punching die, so that the production efficiency is improved, the flatness of the outer tab can be ensured, the product quality is improved, meanwhile, the cut corners can be recycled, and certain cost is reduced.
In the present invention, in a specific implementation, the V-shaped body 21 and the chevron pins 22 are made of metal, including but not limited to aluminum and aluminum alloy.
In the present invention, the metal plating of the chevron-shaped pin 22 of the outer tab 2 is realized. The metal plating layer includes, but is not limited to, metals such as nickel, tin, etc.
In particular implementations of the present invention, chemical sources of electrical energy include, but are not limited to, supercapacitors and lithium ion batteries.
In the present invention, in a specific implementation, the chemical power source cover substrate body 1 is installed on top of a cylindrical chemical power source (such as a super capacitor or a lithium ion battery);
the chemical power supply cover substrate body 1 comprises a lug mounting table surface 101 and a chamfer 102;
a chamfer 102 at the bottom peripheral edge of the tab mounting land 101 for insertion into and laser welding with the cylindrical top circular opening of the chemical power supply.
In the present invention, in a specific implementation, front and rear ends of the top of the first tab connecting portion 211 and the top of the second tab connecting portion 212 are respectively provided with a soldering assembly support column 2131;
the top planes of the soldering assembly support columns 2131 on the first tab connecting part 211 and the second tab connecting part 212 are in the same plane and are horizontal planes.
In particular, the shape of the soldering fitting support column 2131 may be a rectangular parallelepiped or a cylindrical shape.
The upper ends of the chevron-shaped pins 22 are inserted into a printed circuit board PCB to be mounted, and then the support posts 2131 are soldered and assembled as support points between the chemical power source and the PCB.
In the present invention, in a specific implementation, the top planes of the first tab connecting portion 211 and the second tab connecting portion 212 and the lower portions of the front and rear sides of the soldering assembly support column 2131 are respectively provided with an arc-shaped transition chamfer groove 2133.
In the present invention, in a specific implementation, the front ends of the bottoms of the first tab connecting portion 211 and the second tab connecting portion 212 are respectively provided with a first positioning pin 2132;
the bottom planes of the first positioning pin 2132 on the first tab connecting part 211 and the second tab connecting part 212 are on the same plane and are horizontal planes;
the top of the chemical power supply cover substrate body 1 is provided with a first slot corresponding to the first positioning pin 2132;
the first slot is used for inserting the first positioning pin 2132;
the shape and size of the first slot are matched with those of the first positioning pin 2132 correspondingly.
In specific implementation, the first positioning pin 2132 may be rectangular or cylindrical, and the size of the first positioning pin matches with the first slot on the chemical power supply cover substrate body 1, and is mainly used for connecting with the chemical power supply cover substrate 1.
In a specific implementation, the first positioning pin 2132 and the chemical power supply cover substrate body 1 are fixed by laser welding.
In particular, the transverse width of the first positioning pin 2132 is equal to the transverse width of the soldering assembly support column 2131;
the length of the first positioning pin 2132 is greater than that of the soldering assembly support column 2131;
the center point of the first positioning pin 2132 and the center point of the soldering assembly support column 2131 are located on the same vertical line.
In the present invention, in a specific implementation, the rear ends of the first tab connecting portion 211 and the second tab connecting portion 212 are respectively provided with an arc-shaped bending portion 2134;
the arc-shaped bent portions 2134 of the first tab connecting portion 211 and the second tab connecting portion 212 are connected to the left and right sides of the lower portion of the chevron pin 22, respectively.
In the present invention, in a specific implementation, the lower portion of the chevron pin 22 has a second positioning pin 220;
the top of the chemical power supply cover substrate body 1 is provided with a second slot corresponding to the first positioning pin 2132;
the second slot is used for inserting a second positioning pin 220 at the lower part of the chevron pin 22;
the shape and size of the second slot are matched with those of the second positioning pin 220 correspondingly.
In specific implementation, the shape of the second positioning pin 220 may be a rectangular parallelepiped or a cylinder, and the size of the second positioning pin matches with the second slot on the chemical power supply cover substrate body 1, and is mainly used for connecting with the chemical power supply cover substrate 1.
In a specific implementation, the second positioning pin 220 and the lid substrate body 1 of the chemical power supply are fixed by laser welding.
In a specific implementation, when the second positioning pin 220 at the lower part of the chevron pin 22 is inserted into the second slot and the first positioning pin 2132 is inserted into the first slot, the bottom surfaces of the first tab connecting portion 211 and the bottom surface of the second tab connecting portion 212 except the first positioning pin 2132 are in close contact with the top plane of the chemical power supply cover substrate body 1.
In the present invention, in a specific implementation, the top of the chevron-shaped pin 22 has three pins 221 arranged at equal intervals;
between any two adjacent pins 221, there is a solder-fit positioning slot 222.
In the present invention, the soldering attachment positioning groove 222 is used to limit the depth of insertion of the chevron-shaped lead pin 22 into the printed circuit board PCB to be soldered at the time of soldering.
In a specific implementation, the height of the bottom surface of the soldering assembly positioning groove 222 is higher than the height of the top surfaces of the first tab connecting portion 211 and the second tab connecting portion 212.
In particular, the height of the bottom surface of the positioning groove 222 for soldering assembly is higher than the height of the top surface of the supporting column 2131 for soldering assembly.
Compared with the prior art, the external tab structure of the chemical power supply provided by the utility model has the following beneficial effects:
the outer lug structure of the chemical power supply provided by the utility model has the advantages of low production cost, high production efficiency, good product quality and convenience in connection, and is beneficial to being widely applied in production.
In summary, compared with the prior art, the external tab structure of the chemical power supply provided by the utility model has a scientific structural design, can ensure that a larger contact area exists between the main body of the chemical power supply cover substrate and the external tab, effectively avoids poor contact, ensures convenient and reliable connection, and has great practical significance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The outer tab structure of the chemical power supply is characterized by comprising a chemical power supply cover substrate main body (1) and an outer tab (2);
the cross section of the chemical power supply cover substrate body (1) is circular;
the chemical power supply cover substrate main body (1) is connected with the outer tab (2);
the outer tab (2) comprises a V-shaped main body (21) and a mountain-shaped pin (22);
the V-shaped main body (21) comprises a first lug connecting part (211) and a second lug connecting part (212) which are distributed in a bilateral symmetry manner;
the rear ends of the first lug connecting part (211) and the second lug connecting part (212) are respectively connected with the left side and the right side of the lower part of the chevron pin (22);
wherein, the outer pole ear (2) is of an integrally formed structure;
the surface of the mountain-shaped pin (22) is covered with a metal plating layer, and the metal plating layer is an electroplating layer formed by electroplating tin and/or nickel;
the front end and the rear end of the top of the first lug connecting part (211) and the top of the second lug connecting part (212) are respectively provided with a soldering assembly supporting column (2131);
the top planes of the tin soldering assembly support columns (2131) on the first lug connecting part (211) and the second lug connecting part (212) are in the same plane and are horizontal planes;
wherein, the front ends of the bottoms of the first lug connecting part (211) and the second lug connecting part (212) are respectively provided with a first positioning pin (2132);
the bottom planes of the first positioning pin (2132) on the first lug connecting part (211) and the second lug connecting part (212) are in the same plane and are horizontal planes;
the top of the chemical power supply cover substrate main body (1) is provided with a first slot corresponding to the first positioning pin (2132);
the first slot is used for inserting a first positioning pin (2132);
the shape and size of the first slot are correspondingly matched with those of the first positioning pin (2132)
Wherein, the rear ends of the first tab connecting part (211) and the second tab connecting part (212) are respectively provided with an arc-shaped bending part (2134);
the arc-shaped bent parts (2134) of the first lug connecting part (211) and the second lug connecting part (212) are respectively connected with the left side and the right side of the lower part of the chevron-shaped pin (22).
2. The external tab structure of a chemical power source according to claim 1, wherein the external tab (2) is a die-cut structure.
3. The external tab structure of chemical power supply according to claim 1, wherein the chemical power supply cover substrate body (1) is installed on top of the cylindrical chemical power supply;
the chemical power supply cover substrate main body (1) comprises a lug mounting table surface (101) and a chamfer (102);
and a chamfer (102) located at the bottom peripheral edge of the tab mounting table surface (101) for being inserted into and laser welded with the top circular opening of the cylindrical chemical power source.
4. The external tab structure of a chemical power source according to claim 1, wherein the top planes of the first tab connecting part (211) and the second tab connecting part (212) and the lower parts of the front and rear sides of the soldering assembly supporting post (2131) have arc-shaped transition chamfer grooves (2133), respectively.
5. The external tab structure of chemical power supply according to claim 1, wherein the first positioning pin (2132) has a lateral width equal to that of the soldering assembly support post (2131);
the length of the first positioning pin (2132) is greater than that of the soldering assembly support column (2131);
the center point of the first positioning pin (2132) and the center point of the soldering assembly support column (2131) are positioned on the same vertical line.
6. The external tab structure of chemical power supply according to any one of claims 1 to 5, wherein the lower portion of the chevron-shaped pin (22) has a second positioning pin (220);
the top of the chemical power supply cover substrate main body (1) is provided with a second slot corresponding to the first positioning pin (2132);
the second slot is used for inserting a second positioning pin (220) at the lower part of the chevron pin (22);
the shape and the size of the second slot are correspondingly matched with those of the second positioning pin (220).
7. The external tab structure of chemical power supply according to claim 6, wherein when the second positioning pin (220) at the lower part of the chevron-shaped pin (22) is inserted into the second slot and the first positioning pin (2132) is inserted into the first slot, the bottom surfaces of the first tab connecting part (211) and the second tab connecting part (212), except the first positioning pin (2132), are in close contact with the top plane of the chemical power supply cover substrate body (1).
8. An external tab structure of a chemical power source according to any one of claims 1 to 5, wherein the top of the chevron-shaped pin (22) has three pins (221) arranged at equal intervals;
a soldering assembly positioning groove (222) is formed between any two adjacent pins (221).
9. The external tab structure of a chemical power source according to claim 8, wherein the height of the bottom surface of the solder mounting positioning groove (222) is higher than the height of the top surface of the solder mounting support post (2131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101388.6U CN216054917U (en) | 2021-05-21 | 2021-05-21 | Outer tab structure of chemical power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101388.6U CN216054917U (en) | 2021-05-21 | 2021-05-21 | Outer tab structure of chemical power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054917U true CN216054917U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121101388.6U Active CN216054917U (en) | 2021-05-21 | 2021-05-21 | Outer tab structure of chemical power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054917U (en) |
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2021
- 2021-05-21 CN CN202121101388.6U patent/CN216054917U/en active Active
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| GR01 | Patent grant | ||
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Effective date of registration: 20221223 Address after: No. 13, Haitai Development Fourth Road, Huayuan Industrial Zone (outside the ring), Binhai New Area, Tianjin, 300000 Patentee after: Tianjin Lishen Chaodian Technology Co.,Ltd. Address before: 266500 Minshan Road, Huangdao District, Qingdao, Shandong Patentee before: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. |