CN102693846A - Super capacitor module - Google Patents
Super capacitor module Download PDFInfo
- Publication number
- CN102693846A CN102693846A CN2012101201210A CN201210120121A CN102693846A CN 102693846 A CN102693846 A CN 102693846A CN 2012101201210 A CN2012101201210 A CN 2012101201210A CN 201210120121 A CN201210120121 A CN 201210120121A CN 102693846 A CN102693846 A CN 102693846A
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- China
- Prior art keywords
- brace
- ultracapacitor
- pole
- monomer
- module
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- 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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- 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
Abstract
The invention relates to a super capacitor module. The super capacitor module comprises a plurality of connecting pieces and a plurality of super capacitor monomers which realize connection with the connecting pieces. The super capacitor monomer is provided with a pole rod. The connecting piece is connected with the pole rod located on the super capacitor monomer. The connecting piece is provided with a connecting hole. The shape of the pole rod is matched with the shape of the connecting hole. The diameter of the pole rod is slightly larger than the diameter of the connecting hole of the connecting piece. At first the connecting piece is mounted on the pole rod located on each super capacitor in the way of hot riveting connection, and then the connecting position between the connecting piece and the pole rod is subjected to laser welding. The connection between various monomers of the super capacitor module is reliable, and the contact internal resistance is low.
Description
Technical field
The present invention relates to a kind of energy storage device, especially a kind of ultracapacitor module that forms by a plurality of ultracapacitors connections in order to storage power.
Background technology
The ultracapacitor monomer is a kind of based on electrochemical principle, realize self high-effect novel energy-storing components and parts that discharge and recharge by the regular transfer of electronics; It causes the favor of OEM producer day by day owing to have good characteristic such as environmental protection, safe and reliable, charge-discharge magnification high and low temperature performance is good, long service life, and application also is able to constantly widen.
Because the self-characteristic of ultracapacitor; Its heavy-current discharge performance, power-performance are lower; So when practical application; Often need a plurality of ultracapacitor monomers be coupled together the ultracapacitor module of capacity height of formation, good heavy current to a plurality of ultracapacitor monomers through parallel connection, series connection or string and the mode of series-parallel connection, to satisfy big electric current, high-tension customer demand.
The ultracapacitor modular structure generally includes a plurality of ultracapacitor monomers and brace in order to realize that each ultracapacitor monomer links to each other in twos; In actual production, in order to enhance productivity, when each ultracapacitor monomer links to each other; Usually through screwed hole is set on brace; On the pole of each ultracapacitor monomer, screw thread is set, through the mode that is threaded each ultracapacitor monomer is coupled together then, though this connected mode production efficiency is higher; But not very tight owing to be threaded; Cause brace to contact internal resistance with pole and become big, bigger internal resistance not only can reduce the utilization ratio of energy, reduces the overall performance of ultracapacitor and proposes higher requirement also can for simultaneously the cooling measure of module and safety guarantee.
In order to reduce the internal resistance between above-mentioned brace and the ultracapacitor monomer, part manufacturer is arranged through connecting hole is set on brace, corresponding ultracapacitor monomer pole is set to the unthreaded hole shape adapting with brace; Mode through welding makes brace link to each other with the pole of ultracapacitor monomer then; This connected mode, though can reduce the internal resistance that contacts of ultracapacitor monomer and brace to a certain extent, this kind ultracapacitor module is in welding process; Too small if be heated; The depth of weld and welding scope do not reach requirement, and the welding contact area is little or produce rosin joint and connect, and produce to connect insecure problem; If excessive is heated, can aggravate the degree of oxidation of junction metal again, make to melt too much between brace and the ultracapacitor monomer to produce weldering, make yield of products very low.Therefore, comprehensive above each factor is necessary above-mentioned ultracapacitor module is improved.
Summary of the invention
The technical problem that the present invention will solve provides a kind of ultracapacitor module, and switching performance is reliable between this each monomer of ultracapacitor module, and the contact internal resistance is little.
For solving the problems of the technologies described above; Ultracapacitor module of the present invention adopts following technical proposals: this ultracapacitor module comprises a plurality of braces and a plurality of ultracapacitor monomers of realizing through brace being connected; Said ultracapacitor monomer is provided with pole, and said brace connection is positioned on the pole of ultracapacitor monomer, and said brace is provided with connecting hole; Said pole shape and connecting hole shape are suitable; The diameter of said pole is a bit larger tham the connecting hole diameter of brace, and said brace at first is positioned on the pole of each ultracapacitor through the rivet hot ways of connecting, and the connecting portion at brace and pole carries out laser welding then.
According to design concept of the present invention, the degree of depth of said laser welding is more than or equal to 0.7mm, and the welding scope is more than or equal to 80% of the connecting portion of brace and pole.
According to design concept of the present invention, said depth of weld scope is 0.7mm-0.8mm, the welding scope be brace and pole connecting portion 100%.
According to design concept of the present invention; Step was following when said brace was connected with the pole of ultracapacitor monomer: at first put into Gao Wen oven to brace; Take out then and on the pole that brace is positioned in order the ultracapacitor monomer of arranging each ultracapacitor monomer is connected as one and form the ultracapacitor module; Then, be put into the ultracapacitor module that the connecting portion to brace and pole carries out laser welding on the laser-beam welding machine.
According to design concept of the present invention, the controlled condition when said brace is placed on Gao Wen oven is: 350 ℃ ± 10 ℃ of temperature, 4-7 minute heating time; Said brace and pole are when carrying out laser welding, and the controlled condition of laser-beam welding machine is: electric current 200A-230A, pulsewidth 5-6ms, frequency 8Hz, cooling water temperature are 20 ℃ ± 2 ℃, weld diameter 14mm.
According to design concept of the present invention, said brace is positioned at Gao Wen oven controlled condition and is: temperature is 355 degree, and be 5 minutes heating time, and the controlled condition of laser-beam welding machine is: electric current is 220A, and pulsewidth is 5.5ms, and frequency 8Hz, cooling water temperature are 20 ℃.
Compared with prior art; Ultracapacitor of the present invention has following beneficial effect: (1) because the pole diameter of ultracapacitor monomer of the present invention is a bit larger tham the connecting hole diameter of brace, and at first through the rivet hot ways of connecting brace is linked to each other with the ultracapacitor monomer, therefore; The ultracapacitor monomer is when linking to each other with brace; The pole of ultracapacitor contacts closely with brace, and then has reduced the contact internal resistance, then; Ultracapacitor pole and brace weld together through laser welding; And then improved the reliability of the connection between it, can avoid the ultracapacitor module violent in vibrations, jolt and wave when working under the frequent operating mode, because have rosin joint between between ultracapacitor monomer and the brace or be connected defective tightness and cause the appearance of the failure conditions of module; (2) owing to ultracapacitor monomer of the present invention and brace are after rivet hot is connected, to pass through laser welding to link to each other; And then can effectively avoid rosin joint or cross weldering and cause damaging the appearance of ultracapacitor module situation; And then improved yields; And the present invention passes through the control to the conditions such as condition, the laser welding degree of depth and laser welding of rivet hot connection; Make the welding quality and the switching performance of ultracapacitor monomer further obtain optimization, significantly reduced the contact internal resistance of ultracapacitor module, improved the reliability of the connection of ultracapacitor module.
Description of drawings
Plan structure sketch map when Fig. 1 links to each other for two ultracapacitor monomers of the present invention, shown in the figure is that the laser welding scope is 100% o'clock a structural representation;
Fig. 2 is the A-A sectional structure sketch map of Fig. 1.
Embodiment
The present invention relates to a kind of ultracapacitor module, this ultracapacitor module has multiple advantages such as connection is reliable, and the contact internal resistance is low.
Referring to Fig. 1; Ultracapacitor module of the present invention comprises brace 11 and ultracapacitor monomer 12; Wherein, It is a plurality of that brace 11 and ultracapacitor monomer 12 all have, and said brace 11 connects as one each ultracapacitor monomer in order to connect each ultracapacitor monomer, and said ultracapacitor monomer 12 is in order to storage power.
Brace 11 of the present invention is provided with connecting hole, and ultracapacitor monomer 12 is provided with pole 121, and said pole shape and connecting hole shape are suitable; In order to reduce the internal resistance that contacts between brace and the ultracapacitor monomer 12; The pole diameter of ultracapacitor monomer of the present invention is a bit larger tham the diameter of the connecting hole of brace; Said brace 11 at first is positioned on the pole of each ultracapacitor through the rivet hot ways of connecting, and the connecting portion at brace 11 and pole carries out laser welding then.
Concrete steps were following when above-mentioned brace was connected with the pole of ultracapacitor monomer: at first put into Gao Wen oven to brace 11; Take out then and on the pole 121 that brace is positioned in order the ultracapacitor monomer of arranging 12 each ultracapacitor monomer is connected as one and form the ultracapacitor module; Then, be put into the ultracapacitor module that the connecting portion to brace and pole carries out laser welding on the laser-beam welding machine.When the connecting portion to brace 11 and pole 121 welds; For guaranteeing welding quality, the depth H of laser welding is more than or equal to 0.7mm, and the depth of weld is preferably 0.7mm-0.8mm; The welding scope is more than or equal to 80% of the connecting portion of brace and pole, welding scope preferred 100%.
As embodiments of the invention, ultracapacitor module of the present invention can adopt following processing technology when connecting:
At first put into Gao Wen oven to brace; Temperature in the control preparing high-temp oven is positioned between 350 ℃ ± 10 ℃; Preferably be controlled at 355 degree; Brace is kept 4-7 minute heating time, preferably be controlled at heating 5 minutes, take out brace to install to then and arrange in order on the good ultracapacitor monomer and couple together each ultracapacitor monomer; Each ultracapacitor monomer that will couple together again is put on the laser-beam welding machine; Connecting portion to brace 11 and pole carries out laser welding; After laser welding is accomplished, can adopt cooling water that it is cooled, also can adopt the nature cooling certainly; Form like this, finally that switching performance is reliable, the less ultracapacitor module of contact internal resistance.When carrying out laser welding,, in welding process, can adopt nitrogen or argon gas as protective gas for reducing the oxidation of weld.
For the power parameter of guaranteeing laser-beam welding machine, spot size etc. are adjusted to the depth of weld that is enough to obtain being not less than 0.7mm, when the connecting portion to brace 11 and pole carries out laser welding, each process conditions control of laser-beam welding machine as follows: Current Control is at 200A～230A; Preferably be controlled at 220A; Pulse width control preferably is controlled at 5.5ms at 5～6ms, and FREQUENCY CONTROL is at 7～9Hz; Preferably be controlled at 8Hz; Cooling water temperature is controlled at 20 ℃ ± 2 ℃, preferably is controlled at 20 ℃, weld diameter 14mm.
Ultracapacitor of the present invention is touched group and is connected because of before laser welding, adopting rivet hot; And when big, the firm welding of when welding contact area, welding, be heated evenly; So it is little that it has the contact internal resistance; Advantages such as switching performance is reliable, and effectively avoided because of misoperation, the rosin joint of generation or mistake are welded the appearance of phenomenon.
Claims (6)
1. ultracapacitor module; Said ultracapacitor module comprises a plurality of braces and a plurality of ultracapacitor monomers that are connected through the brace realization, and said ultracapacitor monomer is provided with pole, and said brace connection is positioned on the pole of ultracapacitor monomer; Said brace is provided with connecting hole; Said pole shape and connecting hole shape are suitable, it is characterized in that, the diameter of said pole is a bit larger tham the connecting hole diameter of brace; Said brace at first is positioned on the pole of each ultracapacitor through the rivet hot ways of connecting, and the connecting portion at brace and pole carries out laser welding then.
2. ultracapacitor module as claimed in claim 1 is characterized in that, the degree of depth of said laser welding is more than or equal to 0.7mm, and the welding scope is more than or equal to 80% of the connecting portion of brace and pole.
3. ultracapacitor module as claimed in claim 2 is characterized in that, said depth of weld scope is 0.7mm-0.8mm, the welding scope be brace and pole connecting portion 100%.
4. like each described ultracapacitor module of claim 1 to 3; It is characterized in that; Step was following when said brace was connected with the pole of ultracapacitor monomer: at first put into Gao Wen oven to brace; Take out then and on the pole that brace is positioned in order the ultracapacitor monomer of arranging each ultracapacitor monomer is connected as one and form the ultracapacitor module; Then, be put into the ultracapacitor module that the connecting portion to brace and pole carries out laser welding on the laser-beam welding machine.
5. ultracapacitor module as claimed in claim 4 is characterized in that, the controlled condition when said brace is placed on Gao Wen oven is: 350 ℃ ± 10 ℃ of temperature, 4-7 minute heating time; Said brace and pole are when carrying out laser welding, and the controlled condition of laser-beam welding machine is: electric current 200A-230A, pulsewidth 5-6ms, frequency 8Hz, cooling water temperature are 20 ℃ ± 2 ℃, weld diameter 14mm.
6. ultracapacitor module as claimed in claim 5; It is characterized in that said brace is positioned at Gao Wen oven controlled condition and is: temperature is 355 degree, and be 5 minutes heating time; The controlled condition of laser-beam welding machine is: electric current is 220A; Pulsewidth is 5.5ms, and frequency 8Hz, cooling water temperature are 20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101201210A CN102693846A (en) | 2012-04-20 | 2012-04-20 | Super capacitor module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101201210A CN102693846A (en) | 2012-04-20 | 2012-04-20 | Super capacitor module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102693846A true CN102693846A (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101201210A Pending CN102693846A (en) | 2012-04-20 | 2012-04-20 | Super capacitor module |
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| Country | Link |
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| CN (1) | CN102693846A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845505A (en) * | 2017-12-06 | 2018-03-27 | 上海奥威科技开发有限公司 | A kind of ultracapacitor and its assembly method |
| CN110581421A (en) * | 2018-06-08 | 2019-12-17 | 罗伯特·博世有限公司 | Method and device for producing a material-fit laser joining connection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2957593B2 (en) * | 1989-04-28 | 1999-10-04 | 日本ケミコン株式会社 | Manufacturing method of capacitor |
| US20040130343A1 (en) * | 1996-03-12 | 2004-07-08 | Beaman Brian Samuel | High density cantilevered probe for electronic devices |
| CN101042960A (en) * | 2006-03-13 | 2007-09-26 | Avx公司 | Capacitor assembly |
| CN101383230A (en) * | 2007-09-04 | 2009-03-11 | Avx公司 | Laser-geschweisster kondensator mit festem elektrolyten |
-
2012
- 2012-04-20 CN CN2012101201210A patent/CN102693846A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2957593B2 (en) * | 1989-04-28 | 1999-10-04 | 日本ケミコン株式会社 | Manufacturing method of capacitor |
| US20040130343A1 (en) * | 1996-03-12 | 2004-07-08 | Beaman Brian Samuel | High density cantilevered probe for electronic devices |
| CN101042960A (en) * | 2006-03-13 | 2007-09-26 | Avx公司 | Capacitor assembly |
| CN101383230A (en) * | 2007-09-04 | 2009-03-11 | Avx公司 | Laser-geschweisster kondensator mit festem elektrolyten |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845505A (en) * | 2017-12-06 | 2018-03-27 | 上海奥威科技开发有限公司 | A kind of ultracapacitor and its assembly method |
| CN110581421A (en) * | 2018-06-08 | 2019-12-17 | 罗伯特·博世有限公司 | Method and device for producing a material-fit laser joining connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN VIKGY NEW POWER ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHI YUWEN Effective date: 20130806 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 416000 XIANGXI TUJIA AND MIAO AUTONOMOUS PREFECTURE, HUNAN PROVINCE TO: 430206 WUHAN, HUBEI PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130806 Address after: 430206 No. 888, hi tech Avenue, East Lake hi tech Development Zone, Hubei, Wuhan Applicant after: Wuhan Vikgy New Power Energy Sci-Tech Co., Ltd. Address before: 416000 No. 25 West Wuling Road, Hunan, Jishou Applicant before: Shi Yuwen |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120926 |