CN206282739U - A kind of ultracapacitor - Google Patents
A kind of ultracapacitor Download PDFInfo
- Publication number
- CN206282739U CN206282739U CN201621212694.6U CN201621212694U CN206282739U CN 206282739 U CN206282739 U CN 206282739U CN 201621212694 U CN201621212694 U CN 201621212694U CN 206282739 U CN206282739 U CN 206282739U
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- China
- Prior art keywords
- end cap
- pole piece
- negative
- pole
- additionally provided
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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 utility model proposes a kind of ultracapacitor, including housing, the pole piece by winding is provided with the housing, the pole piece is respectively arranged at two ends with anode end cap and negative pole end cap, the telescopic positive strap for connecting anode end cap and pole piece is additionally provided between the anode end cap and pole piece, the telescopic negative straps for connecting negative pole end cap and pole piece are additionally provided between the negative pole end cap and pole piece.The ultracapacitor of this structure, due to setting telescopic positive strap and negative straps at the two ends of pole piece, conventional Super condenser plate is changed with positive and negative end cap by rigidly connected connected mode, so that the anti seismic efficiency and total quality of ultracapacitor are more preferably, volume is also smaller, production efficiency and cost performance can be effectively improved.
Description
Technical field
The utility model is related to capacitor area, more particularly to a kind of ultracapacitor.
Background technology
Ultracapacitor is a kind of novel energy-storing dress between traditional capacitor and secondary cell for occurring in recent years
Put, while it is the characteristics of reservation traditional capacitor power density is big, with up to farad level or even up to ten thousand farads of electrostatic
Capacity, thus with energy density it is higher the characteristics of.Also having simultaneously can fast charging and discharging, energy conversion efficiency be high, temperature is special
The advantages of property good (- 40 DEG C of 70 DEG C of ∽), service life cycle long and environmental protection, thus its technology has been subject to the general of countries in the world
All over reappearing, wind-power electricity generation, solar power generation, number, automobile, medical treatment, health, power electronics, communication, energy are can be widely applied to
The field such as source, military.
Along with the popularization of national new energy, the development of ultracapacitor is very fast.But with the development of technology, its
When content volume ratio is increasingly taken seriously sexual valence.Current conventional Super capacitor price is higher, and volume is larger, production technology
It is complex, in addition it is also necessary to which that special various nonstandard elements, fabrication cycle is long, and production efficiency is slower, and these unfavorable factors govern super
The development process of level capacitor.
The connector of conventional Super electric capacity both positive and negative polarity end cap and pole piece is made up of nonstandard homemade special-shaped component, by laser
Welding, makes capacitance body be rigidly connected.Special nonstandard connector certainly will increase the complexity of its production technology in production process, increase
Substantial amounts of production cost and production cycle, and be rigidly attached in assembling process, because dress is pressed, withhold etc. process pressure it is not in place or
Person excessively compresses, and causes loose contact to increase ultracapacitor internal resistance, or even has and cause product that open circuit or short circuit occur
Phenomenon.Its vibration resistance performance of rigid solder body is weak, in the environment with vibrations, easily makes solder side fatigue damage, causes to take off
Even there is open circuit so that ultracapacitor internal resistance increases in weldering.
In sum, how to provide that a kind of good quality, small volume, cost performance be high, content volume is than big, production technology letter
Single, production efficiency ultracapacitor high, into the technical problem of those skilled in the art's urgent need to resolve.
Utility model content
The technical problems to be solved in the utility model is：There is provided that a kind of good quality, small volume, cost performance be high, content volume
The ultracapacitor higher than big, simple production process, production efficiency.
What solution of the present utility model was realized in：The utility model proposes a kind of ultracapacitor, including shell
Body, is provided with the pole piece by winding in the housing, the pole piece is respectively arranged at two ends with anode end cap and negative pole end cap,
The telescopic positive strap for connecting anode end cap and pole piece, the negative pole end are additionally provided between the anode end cap and pole piece
Cover and the telescopic negative straps that connect negative pole end cap and pole piece are additionally provided between pole piece.The ultracapacitor of this structure,
Due to setting telescopic positive strap and negative straps at the two ends of pole piece, change conventional Super condenser plate with
Positive and negative end cap is by rigidly connected connected mode so that the anti seismic efficiency and total quality of ultracapacitor are more preferable, volume
Smaller, production efficiency and cost performance can be effectively improved.
Another technical scheme of the present utility model is that the positive strap is with bending part on above-mentioned basis
The first flexible connection piece, the two ends of positive strap are fixedly connected with anode end cap and pole piece respectively；The negative straps
It is that, with least one second flexible connection piece of bending part, the two ends of negative straps are fixed with anode end cap and pole piece respectively
Connection.Above-mentioned set-up mode, makes connection sheet have certain elasticity and amount of deflection, end cover of ultracapacitor and pole piece is connected firmly,
And anti-vibration, increase its stability.And ensure its contact surface on the basis of cheap, reduce the incrementss of internal resistance.
Another technical scheme of the present utility model is that on above-mentioned basis, the pole piece with anode end cap by connecting respectively
The positive plate for connecing, and the negative plate winding being connected with negative pole end cap is formed, and the positive plate and negative plate are separated by barrier film.
Another technical scheme of the present utility model be on above-mentioned basis, the positive strap and anode end cap and
Connection between pole piece is laser welding, and the connection between the negative straps and negative pole end cap and pole piece is Laser Welding
Connect.
Another technical scheme of the present utility model is that the housing cavity is additionally provided with least one on above-mentioned basis
Seal groove, is additionally provided with one or more sealing rings between the negative pole end cap and the pole piece, the sealing ring is placed in described close
In sealing groove.
Another technical scheme of the present utility model is outer rim and the shell of the negative pole end cap on above-mentioned basis
The insulated ring for preventing the negative pole end cap from being contacted with housing is additionally provided between intracoelomic cavity.This set-up mode, by negative pole
Insulated ring is set between end cap and housing, positive pole and the negative pole short circuit of ultracapacitor can be prevented, so as to avoid potential safety hazard.
Another technical scheme of the present utility model is on above-mentioned basis, fluid injection to be additionally provided with the anode end cap
Hole, electrolyte can be injected into the housing from liquid injection hole.
Another technical scheme of the present utility model is on above-mentioned basis, aluminium plug, institute to be additionally provided with the liquid injection hole
Aluminium plug is stated to be welded with the liquid injection hole inwall.This set-up mode, by setting aluminium plug in liquid injection hole, can effectively prevent electrolyte
Leakage.
Another technical scheme of the present utility model is on above-mentioned basis, rubber stopper to be additionally provided with the liquid injection hole,
The rubbery plug lid on the liquid injection hole, and with the liquid injection hole inwall interference fit.This set-up mode, in liquid injection hole
Aluminium plug and rubber stopper are set, the dual-seal to liquid injection hole are realized, with the more preferable advantage of sealing effectiveness.
Another technical scheme of the present utility model is the company of the anode end cap and the housing on above-mentioned basis
Welding is connected in, the negative pole end cap is clamping with the connection of the housing；Anti-explosion groove is additionally provided with the anode end cap.This is set
Mode, when housing internal pressure reaches certain value, pressure is acted on the inwall of anode end cap, and anti-explosion groove is received as stress concentration point
Power face is preferential to be converted into plastic deformation from elastic deformation, and cell body produces irreversible upstream displacement, when more than elastic modelling quantity and Poisson's ratio institute
During the destruction extension rate of determination, ductile fracture, that is, anti-explosion groove will be produced to pop, effectively prevented around ultracapacitor
Related component damage, reduce maintenance cost, economize on resources.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is a kind of schematic cross-sectional view of ultracapacitor of the utility model；
Fig. 2 is the structural representation of pole piece in Fig. 1；
Fig. 3 is the schematic cross-sectional view that Fig. 3 is anode end cap in Fig. 1.
Reference corresponding relation is：
The positive strap of 1 rubber stopper, 2 anode end cap 3
The negative straps of 4 housing, 5 pole piece 6
The negative pole end cap of 7 sealing ring, 8 insulated ring 9
10 aluminium plugs
The liquid injection hole of 21 anti-explosion groove 22
The negative plate of 51 positive plate, 52 barrier film 53
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to protection domain of the present utility model.Additionally, those skilled in the art's retouching according to presents
State, respective combination can be carried out to the feature in embodiment in presents and in different embodiments.
The utility model embodiment is as follows, refers to ultracapacitor and its part shown in Fig. 1 to Fig. 3, super capacitor
Implement body includes being provided with pole piece 5 in housing 4, housing 4, and pole piece 5 is formed by winding, and the left and right of pole piece 5 is respectively arranged at two ends with just
Extreme lid 2 and negative pole end cap 9, are additionally provided between anode end cap 2 and pole piece 5 and connect with the positive pole of pole piece 5 for connecting anode end cap 2
Contact pin 3, similarly, is provided with the negative straps 6 for connecting negative pole end cap 9 and pole piece 5 between negative pole end cap 9 and pole piece 5, and
And, positive strap 3 and negative straps 6 are telescopic connection sheet, can be compressed and stretched within a predetermined range.This
The ultracapacitor of structure, due to setting telescopic positive strap 3 and negative straps 6 at the two ends of pole piece 5, changes
Conventional Super condenser plate 5 is with positive and negative end cap by rigidly connected connected mode so that the anti seismic efficiency of ultracapacitor
And total quality is more preferably, volume is also smaller, production efficiency and cost performance can be effectively improved.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, positive strap 3 is the
One flexible connection piece, the first flexible connection piece is the bending with bending part, the two ends of the first flexible connection piece respectively with just
Extreme lid 2 is fixedly connected with pole piece 5, and is preferably welding.Negative straps 6 are the second flexible connection piece, the second elastic connection
Piece is the bending with one or multi-channel bending part, and the two ends of the second flexible connection piece are solid with negative pole end cap 9 and pole piece 5 respectively
Fixed connection, and it is preferably welding.It should be noted that above-mentioned bending part is without given shape, can be formed by direct bending by hand,
Need to only have certain elasticity and amount of deflection, effectively increase the fastness of end cover of ultracapacitor and pole piece connection, and support
Anti-vibration, increases its stability, and its contact surface is ensured on the basis of cheap, reduces the increase of ultracapacitor internal resistance
Amount.The two ends of positive strap 3 and pole piece 5 and anode end cap 2, the two ends of negative straps 6 and pole piece 5 and negative pole end cap 9
Connection is flexible connection, by brake techniques, the two ends of positive and negative electrode connection sheet 6 is fixed on end cap and pole piece 5 with fixture,
And firm welding, test resistance, after confirming its internal resistance and weld strength, carries out just bending afterwards, after bending extent control is good, with
Housing 4 is assembled.During the clinching of housing 4, the elastic deformation of positive and negative electrode connection sheet 6 can be increased, elastic deformation can make just,
The restoring force certain to two ends generation of negative straps 6, restoring force can make the two ends of the positive and negative electrode connection sheet 6 tightly company of being fitted in
On two faces for connecing, so as to reduce the stress suffered by solder side.And in the environment of vibrations, restoring force can be produced according to vibrations face
The size of raw power strengthens or slows down its intensity, has decomposed the power repeatedly that solder side is subject to, and increases the antifatigue strong of solder side
Degree.Above-mentioned set-up mode, makes connection sheet have certain elasticity and amount of deflection, end cover of ultracapacitor and pole piece 5 is connected firmly, and
Anti-vibration, increases its stability.And ensure its contact surface on the basis of cheap, reduce the incrementss of internal resistance.
On the basis of above-described embodiment, in another embodiment of the utility model, pole piece 5 is by positive plate 51 and negative plate 53
Winding is formed, and positive plate 51 and negative plate 53 are separated by barrier film 52, and positive plate 51 is electrically connected with anode end cap 2, negative plate 53
Then electrically connected with negative pole end cap 9.
On the basis of above-described embodiment, in another embodiment of the utility model, for the two ends of positive strap 3 and positive pole
Connection between end cap 2 and pole piece 5, preferably laser welding, equally, two ends and negative pole end cap 9 and the pole piece of negative straps 6
Connection between 5, preferably also laser welding.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, negative pole end cap 9 and pole piece
Sealing ring 7 is additionally provided between 5, specifically, the quantity of sealing ring 7 can be one or more, and sealing ring 7 is O-ring seal, its
The interior side contacts of outer rim and housing 4, and in the presence of negative pole end cap 9, its both sides is held in pole piece 5 and negative pole end cap 9 respectively
Between, play sealing and anti-leakage effect.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, negative pole end cap 9 and housing
The insulated ring 8 for preventing the negative pole end cap 9 from being contacted with housing 4 is additionally provided between 4, specifically, insulated ring 8 is arranged at negative
Between the outer rim of extreme lid 9 and the inner chamber of housing 4.This set-up mode, insulated ring is set by between negative pole end cap 9 and housing 4
8, positive pole and the negative pole short circuit of ultracapacitor can be prevented, so as to avoid potential safety hazard.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, also being set on anode end cap 2
There is liquid injection hole 22, liquid injection hole 22 is located at the center of anode end cap 2, and protrudes laterally, and electrolyte can be injected into from liquid injection hole 22
In housing 4.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, when electrolyte has injected
Cheng Hou, to prevent electrolyte from leaking, can set aluminium plug 10 in liquid injection hole 22, and aluminium plug 10 is completely disposed in liquid injection hole 22, and is made
Its bottom surface is concordant with the bottom surface of liquid injection hole 22, aluminium plug 10 is welded in by welding manner afterwards the inwall of liquid injection hole 22
Above, it is necessary to explanation, welding preferably electron beam welding.This set-up mode, by setting aluminium plug 10 in liquid injection hole 22, can
Effectively prevent electrolyte from leaking.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, in addition to aluminium plug 10, fluid injection
Rubber stopper 1 is additionally provided with hole 22, rubber stopper 1 is covered on liquid injection hole 22, and its part and liquid injection hole 22 inwall interference fit,
Realize the sealing to liquid injection hole 22.This set-up mode, sets aluminium plug 10 and rubber stopper 1 in liquid injection hole 22, realizes to liquid injection hole
22 dual-seal, with the more preferable advantage of sealing effectiveness.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, anode end cap 2 and housing
Connection between 4 is welding, after anode end cap 2 rotates to precalculated position, is directly welded.Between negative pole end cap 9 and housing 4
Connection be clamping, snap fit can be varied, is not especially limited herein.Additionally, being additionally provided with anode end cap 2 explosion-proof
The anti-explosion groove 21 of effect, anti-explosion groove 21 is placed in the side of rubber stopper 1, and structure type is interior flat outer recessed, and interior flat outer recessed structure makes
Its stress concentration at the most sake of concave surface on the inside of, when the internal pressure of housing 4 reaches certain value, pressure acts on the interior of anode end cap 2
On wall, used as stress concentration point, stress surface is preferentially converted into plastic deformation to anti-explosion groove 21 from elastic deformation, and anti-explosion groove 21 is produced not
Reversible displacement, when more than extension rate is destroyed determined by elastic modelling quantity and Poisson's ratio, will produce ductile fracture, that is, prevent
Quick-fried groove 21 pops, and effectively prevents the damage of the related component around ultracapacitor, reduces the cost of maintenance, saves money
Source.
For housing 4, can be made by the standardization tubing of in the market, it is solid by fixture after loading pole piece 5 and connection sheet
It is fixed, and the seal groove for placing sealing ring 7 and clinching the negative pole end cap 9 with insulated ring 8 well are processed, with existing ultracapacitor
Housing 4 used is compared, and it is more easy to process, and can effectively reduce the producing cost of housing 4, effectively shortens its fabrication cycle.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. the pole by winding is provided with a kind of ultracapacitor, it is characterised in that including housing (4), the housing (4)
Piece (5), the pole piece (5) is respectively arranged at two ends with anode end cap (2) and negative pole end cap (9), the anode end cap (2) and pole piece
(5) the telescopic positive strap (3) of connection anode end cap (2) and pole piece (5), the negative pole end cap (9) are additionally provided between
The telescopic negative straps (6) for connecting negative pole end cap (9) and pole piece (5) are additionally provided between pole piece (5).
2. ultracapacitor according to claim 1, it is characterised in that the positive strap (3) is with bending part
The first flexible connection piece, the two ends of positive strap (3) are fixedly connected with anode end cap (2) and pole piece (5) respectively；It is described negative
Pole connection sheet (6) be with least one second flexible connection piece of bending part, the two ends of negative straps (6) respectively with positive pole
End cap (2) is fixedly connected with pole piece (5).
3. ultracapacitor according to claim 2, it is characterised in that the pole piece (5) by respectively with anode end cap (2)
The positive plate (51) of connection, and be connected with negative pole end cap (9) negative plate (53) winding form, the positive plate (51) and bear
Pole piece (53) is separated by barrier film (52).
4. ultracapacitor according to claim 3, it is characterised in that the positive strap (3) and anode end cap (2)
And the connection between pole piece (5) is laser welding, between the negative straps (6) and negative pole end cap (9) and pole piece (5)
Connection is laser welding.
5. ultracapacitor according to claim 4, it is characterised in that housing (4) inner chamber is additionally provided with least one
Seal groove, is additionally provided with one or more sealing rings (7) between the negative pole end cap (9) and the pole piece (5), the sealing ring is put
In in the seal groove.
6. ultracapacitor according to claim 5, it is characterised in that the outer rim and the shell of the negative pole end cap (9)
The insulated ring (8) for preventing the negative pole end cap (9) from being contacted with housing (4) is additionally provided between body (4) inner chamber.
7. ultracapacitor according to claim 6, it is characterised in that be additionally provided with liquid injection hole on the anode end cap (2)
(22), electrolyte can be injected into the housing (4) from liquid injection hole (22).
8. ultracapacitor according to claim 7, it is characterised in that is additionally provided with aluminium plug in the liquid injection hole (22)
(10), the aluminium plug (10) is welded with the liquid injection hole (22) inwall.
9. ultracapacitor according to claim 8, it is characterised in that be additionally provided with rubber stopper on the liquid injection hole (22)
(1), the rubber stopper (1) is covered on the liquid injection hole (22), and with the liquid injection hole (22) inwall interference fit.
10. ultracapacitor according to any one of claim 1 to 9, it is characterised in that the anode end cap (2) with
The connection of the housing (4) is welding, and the negative pole end cap (9) is clamping with the connection of the housing (4)；The anode end cap
(2) anti-explosion groove (21) is additionally provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212694.6U CN206282739U (en) | 2016-11-10 | 2016-11-10 | A kind of ultracapacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212694.6U CN206282739U (en) | 2016-11-10 | 2016-11-10 | A kind of ultracapacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282739U true CN206282739U (en) | 2017-06-27 |
Family
ID=59082888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621212694.6U Active CN206282739U (en) | 2016-11-10 | 2016-11-10 | A kind of ultracapacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653395A (en) * | 2016-11-10 | 2017-05-10 | 湖南耐普恩科技有限公司 | Super capacitor |
-
2016
- 2016-11-10 CN CN201621212694.6U patent/CN206282739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653395A (en) * | 2016-11-10 | 2017-05-10 | 湖南耐普恩科技有限公司 | Super capacitor |
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| GR01 | Patent grant | ||
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Effective date of registration: 20230824 Address after: 410199 No. 29 Bancang South Road and No. 10 Xiangyang Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province, China C727, Building 802 and 803, New Changhai Center 3-C Patentee after: Hunan Neptune Energy Saving Technology Co.,Ltd. Address before: Room 102, building 4, central Zhigu Industrial Park, No.189, East Section 2, Renmin East Road, Changsha Economic and Technological Development Zone, Hunan 410100 Patentee before: HUNAN NEPUENERGY SCIENCE & TECHNOLOGY Co.,Ltd. |