CN206711773U - A kind of button-shaped ultracapacitor is connected in series structure - Google Patents
A kind of button-shaped ultracapacitor is connected in series structure Download PDFInfo
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- CN206711773U CN206711773U CN201720284986.9U CN201720284986U CN206711773U CN 206711773 U CN206711773 U CN 206711773U CN 201720284986 U CN201720284986 U CN 201720284986U CN 206711773 U CN206711773 U CN 206711773U
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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
- Y02E60/13—Energy storage using capacitors
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Abstract
The utility model provides a kind of button-shaped ultracapacitor and is connected in series structure, including the two panels super button capacitor mutually concatenated and connector, connector includes the annulus side of circular bottom plate and bottom plate outer rim, the bottom plate of connector is provided with annular groove, the bottom surface at the negative pole face of one of super button capacitor and the groove position of bottom plate is affixed, and the bottom surface in described negative pole face and the groove position of the bottom plate is welded by Laser Welding；Another super button capacitor is located in annulus side, and its positive pole-face is attached to above the bottom plate, and annulus side is attached to its super button capacitor outer wall, and the upper end-face edge on annulus side is welded with its super button capacitor outer wall by Laser Welding.The utility model reduces the contact ESR values between capacitor, and marshalling between two capacitor monomers, the bottom plate of connector is provided with annular groove, ensure that series connection properties of product are stable, simplifies manufacturing process, there are higher promotion and application to be worth.
Description
Technical field
Supercapacitor technologies field is the utility model is related to, is a kind of button-shaped ultracapacitor, especially a kind of button
Formula ultracapacitor cascaded structure.
Background technology
Ultracapacitor is a kind of novel energy storage apparatus, with charge/discharge rates are fast, specific power is high, have extended cycle life, make
With many advantages, such as temperature range is wide, energy-conserving and environment-protective, be widely used at present automobile, wind-power electricity generation, urban light rail, subway,
The fields such as solar energy, three tables of intelligence, tax-control cash register, electric tool, UPS and heavy industry equipment.
Conventional button-shaped ultracapacitor series system is as shown in Figure 1：Using electric resistance welding two monolithic capacitors it
Between welding one piece of 0.2-0.5mm thickness nickel strap 1 connected.The basic nothing of this series system due to structure and welding manner
Method reduces contact ESR values, is easily influenceed, makes by external force between upper super button capacitor 2 and lower super button capacitor 3
Into dislocation, two monolithic capacitor decentractions are caused.The other structure welding intensity can not be protected, and welding efficiency is extremely low,
Product quality is difficult to ensure, and is difficult to form batch production.
Utility model content
The purpose of this utility model is to provide a kind of button-shaped ultracapacitor and is connected in series structure, reduce capacitor it
Between contact ESR values, ensure two monolithic capacitors concentricity, improve product quality.
Technical scheme is used by the technical problem that the utility model solves：
A kind of button-shaped ultracapacitor is connected in series structure, including the two panels super button capacitor mutually concatenated and company
Fitting, it is characterized in that connector is dome shape, connector includes the annulus side of circular bottom plate and bottom plate outer rim, connector
Bottom plate is provided with annular groove, and the circular bottom plate of connector is adapted with the joint face of super button capacitor, one of button
The bottom surface in the negative pole face of ultracapacitor and the groove position of the bottom plate is affixed, and by Laser Welding to described negative pole face with
Welded the bottom surface at the groove position of the bottom plate；Another super button capacitor is located in annulus side, its positive pole-face
It is attached to above the bottom plate, annulus side is attached to its super button capacitor outer wall, the upper end edge by Laser Welding to annulus side
Edge is welded with its super button capacitor outer wall.
Preferably, the bottom surface in the negative pole face of above-mentioned one of super button capacitor and the groove position of the bottom plate
It is uniformly provided with 2-4 pad；Another above-mentioned super button capacitor and the upper end-face edge on annulus side are uniformly provided with 2-4
Pad.
Technical solutions of the utility model using dome-shaped connector to two panels super button capacitor due to being concatenated, circle
The bottom plate of shape contacts with two panels super button capacitor respectively, and its contact surface is big, reduces the contact ESR values between capacitor,
And after welding, inconsistent phenomenon will not be caused, marshalling between two capacitor monomers, concentricity is high, in addition, the bottom plate of connector
Provided with annular groove, it has cushioning effect, ensure that series connection properties of product are stable.Given birth in the product of button-shaped ultracapacitor
During production, using multiple monomer electric capacity carry out series connection be carry it is high-tension.In the assembled in series production technology of ultracapacitor
In, not only need to consider contact internal resistance value between monomer electric capacity, weld strength, and need high efficiency, stable producer
Formula.Therefore very high requirement is proposed to stability, the automaticity of equipment.Using structure of the present utility model, due to taking
The nickel strap series connection for the prior art that disappeared, first the negative pole face of one of super button capacitor and the groove position of bottom plate
Bottom surface is overlapping to be affixed, and welds 2-4 point by Laser Welding, and another super button capacitor is inserted in annulus side, and
2-4 point is welded at its edge by Laser Welding, simplifies production equipment, while be also very easy to realize automatic production line
Production, can farthest reduce production cost and product quality stablize it is secure.
The beneficial effects of the utility model are：The technical solution of the utility model reduces the contact ESR between capacitor
It is worth, marshalling between two capacitor monomers, the bottom plate of connector is provided with annular groove, ensure that series connection properties of product are stable,
Simplify manufacturing process, there are higher promotion and application to be worth.
Brief description of the drawings
Utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the button-shaped ultracapacitor series system of prior art.
Fig. 2 is the structural representation of the utility model embodiment.
Fig. 3 is the overlooking the structure diagram of the utility model embodiment connector.
Fig. 4 is the cross section structure diagram of the utility model embodiment connector.
In figure：1st, nickel strap 2, upper super button capacitor 3, lower super button capacitor 4, connector 41, annulus side
42nd, groove 43, bottom plate.
Embodiment
Refer to shown in Fig. 2, Fig. 3 and Fig. 4, a kind of button-shaped ultracapacitor is connected in series structure, including upper button surpasses
Level capacitor 2, lower super button capacitor 3 and connector 4, connector 4 are dome shape, and connector 7 includes circular bottom plate
43 and the annulus side 41 of the outer rim of bottom plate 43, the bottom plate 43 of connector 4 is provided with annular groove 42, the circular bottom plate 43 of connector 4 with
Upper super button capacitor 2, the joint face of lower super button capacitor 3 are adapted, the negative pole face of lower super button capacitor 3 with
The bottom surface at the position of groove 42 of bottom plate 4 is affixed, and passes through negative pole face of the Laser Welding to lower super button capacitor 3 and bottom plate 4
Welded the bottom surface at the position of groove 42；Super button capacitor 2 is located in annulus side 41, the upper positive pole of super button capacitor 2
Face is attached to above bottom plate 4, and annulus side 41 is attached to the outer wall of super button capacitor 2, by Laser Welding to annulus side 41
Upper end-face edge is welded with the upper outer wall of super button capacitor 2.
In the present embodiment, the bottom surface in the negative pole face of super button capacitor 3 and the position of groove 42 of bottom plate 4 is welded,
It is uniformly provided with 2-4 pad；The upper end-face edge on annulus side 41 is entered with the upper outer wall of super button capacitor 2 by Laser Welding
Row welding, upper super button capacitor 2 and the upper end-face edge on annulus side 41 are uniformly provided with 2-4 pad.
Finally it is pointed out that above example is only the more representational example of the utility model.Obviously, this practicality is new
Type is not limited to above-described embodiment, can also there is many deformations.Every foundation the technical essence of the utility model is to above example
Any simple modification, equivalent change and modification made, it is considered as belonging to the scope of protection of the utility model.
Claims (2)
1. a kind of button-shaped ultracapacitor is connected in series structure, including the two panels super button capacitor mutually concatenated and connection
Part, it is characterized in that connector is dome shape, connector includes the annulus side of circular bottom plate and bottom plate outer rim, the bottom of connector
Plate is provided with annular groove, and the circular bottom plate of connector is adapted with the joint face of super button capacitor, and one of button surpasses
The bottom surface in the negative pole face and the groove position of the bottom plate of level capacitor is affixed, and by Laser Welding to described negative pole face and institute
Welded the bottom surface for stating the groove position of bottom plate；Another super button capacitor is located in annulus side, its positive pole-face patch
Above the bottom plate, annulus side is attached to its super button capacitor outer wall, the upper end-face edge by Laser Welding to annulus side
Welded with its super button capacitor outer wall.
2. a kind of button-shaped ultracapacitor according to claim 1 is connected in series structure, it is characterized in that above-mentioned wherein one
The bottom surface in the negative pole face of individual super button capacitor and the groove position of the bottom plate is uniformly provided with 2-4 pad；It is above-mentioned another
An outer super button capacitor and the upper end-face edge on annulus side are uniformly provided with 2-4 pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720284986.9U CN206711773U (en) | 2017-03-22 | 2017-03-22 | A kind of button-shaped ultracapacitor is connected in series structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720284986.9U CN206711773U (en) | 2017-03-22 | 2017-03-22 | A kind of button-shaped ultracapacitor is connected in series structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206711773U true CN206711773U (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720284986.9U Active CN206711773U (en) | 2017-03-22 | 2017-03-22 | A kind of button-shaped ultracapacitor is connected in series structure |
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| CN (1) | CN206711773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470992A (en) * | 2021-08-20 | 2021-10-01 | 山东精工能源科技有限公司 | Connecting piece of button capacitor, series welding method and welding device |
-
2017
- 2017-03-22 CN CN201720284986.9U patent/CN206711773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113470992A (en) * | 2021-08-20 | 2021-10-01 | 山东精工能源科技有限公司 | Connecting piece of button capacitor, series welding method and welding device |
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