CN207938470U - A kind of novel aluminum capacitor - Google Patents
A kind of novel aluminum capacitor Download PDFInfo
- Publication number
- CN207938470U CN207938470U CN201721907121.XU CN201721907121U CN207938470U CN 207938470 U CN207938470 U CN 207938470U CN 201721907121 U CN201721907121 U CN 201721907121U CN 207938470 U CN207938470 U CN 207938470U
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- aluminium foil
- cathode
- cathode aluminium
- negative electrode
- positive pole
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Abstract
The utility model provides a kind of novel aluminum capacitor, including aluminum shell, fuse, sealing-plug, fuse is sequentially stacked and is wound by an electrolytic paper, a cathode aluminium foil, an electrolytic paper, a positive pole aluminium foil, and cathode aluminium foil and positive pole aluminium foil side are respectively arranged with negative electrode guide needle and positive guide pin；Cathode aluminium foil is stacked with the cathode aluminium foil being covered on negative electrode guide needle close to positive pole aluminium foil on one side；Cathode aluminium foil stretch out electrolytic paper and positive pole aluminium foil bottom edge and with aluminum shell bottom contiguous.The setting of cathode aluminium foil increases electronics flow path, promotes ripple current resistivity, effectively reduces capacitance ESR.Cathode aluminium foil stretches out electrolytic paper and positive pole aluminium foil bottom edge and with aluminum shell bottom contiguous, and the heat that fuse work generates can be transmitted directly by cathode aluminium foil in aluminum shell, and the efficiency that capacitance heat distributes is improved.Conduction can directly be conducted between aluminum shell and cathode aluminium foil, and electronics flow path is shortened, and reduce capacitance ESR.
Description
Technical field
The utility model is related to capacitance technology fields, specifically disclose a kind of novel aluminum capacitor.
Background technology
Aluminum capacitor has the advantages that capacity is big as a kind of energy storage electronic component, is suitable for power filter or low-frequency channel
In.Currently, the development trend of aluminum capacitor is high power capacity, low ESR, small size, high-cooling property.Existing aluminum capacitor ESR generally compared with
Height causes capacitive property to decline, and restricts the performance boost of electronic product.In addition, existing aluminum capacitor goes out after prolonged use
The phenomenon that existing high temperature, capacitance is caused to reduce, the service life declines.
Utility model content
Based on this, it is necessary to be directed to prior art problem, provide a kind of novel aluminum capacitor, unique structure is arranged, can have
Effect reduces capacitance ESR, and promotes capacitance internal heat dissipating efficiency, avoids capacitance temperature excessively high.
To solve prior art problem, the utility model discloses a kind of novel aluminum capacitor, including aluminum shell, fuse, sealing
Plug, fuse are set in aluminum shell, and sealing-plug is fixedly connected at the top of aluminum shell, and fuse is by an electrolytic paper, a cathode aluminium foil, one
Electrolytic paper, a positive pole aluminium foil are sequentially stacked and wind, cathode aluminium foil and positive pole aluminium foil side be respectively arranged with negative electrode guide needle and
Positive guide pin, negative electrode guide needle and positive guide pin are electrically connected with cathode aluminium foil and positive pole aluminium foil respectively；Cathode aluminium foil is close to positive aluminium
Foil is stacked with cathode aluminium foil on one side, and cathode aluminium foil is covered on negative electrode guide needle and is electrically connected with negative electrode guide needle；Cathode aluminium foil
Stretch out electrolytic paper and positive pole aluminium foil bottom edge, cathode aluminium foil bottom and aluminum shell bottom contiguous.
Preferably, it is fixedly connected on negative electrode guide needle in the middle part of cathode aluminium foil.
Preferably, electrolytic paper bottom edge 0.5mm is stretched out in cathode aluminium foil bottom.
Preferably, cathode aluminium foil is fixedly connected by several riveted joints with negative electrode guide needle, and riveted joint is symmetrically disposed on negative
Pole guide pin both sides.
Preferably, cathode aluminium foil, negative electrode guide needle, cathode aluminium foil overlapping height are less than 0.5mm.
Preferably, several annular grooves are set side by side on aluminum shell outer wall.
Preferably, two electrolytic papers are stacked between cathode aluminium foil and positive pole aluminium foil.
The beneficial effects of the utility model are：The utility model discloses a kind of novel aluminum capacitor, and unique structure is arranged, by
One electrolytic paper, a cathode aluminium foil, an electrolytic paper, a positive pole aluminium foil are sequentially stacked and are wound into fuse, and one is overlapped on cathode aluminium foil
The cathode aluminium foil being covered on negative electrode guide needle increases electronics flow path, promotes ripple current resistivity.On cathode aluminium foil
Electronics can directly flow on negative electrode guide needle, or flow through cathode aluminium foil and reboot on negative electrode guide needle, electronics flows road
Journey shortens, and effectively reduces capacitance ESR.Cathode aluminium foil stretching electrolytic paper and positive pole aluminium foil bottom edge are simultaneously adjacent with aluminum shell bottom
It connects, the heat that fuse work generates can be transmitted directly by cathode aluminium foil in aluminum shell, and the effect that capacitance heat distributes is improved
Rate reduces capacitance Wen Sheng.Conduction can directly be conducted between aluminum shell and cathode aluminium foil, and electronics flow path is shortened,
Reduce capacitance ESR.It is fixedly connected on negative electrode guide needle in the middle part of cathode aluminium foil, shortens electronics flow path, cathode aluminium foil
The electronics of both sides can flow quickly on negative electrode guide needle, reduce capacitance ESR, promote capacitance working efficiency.The annular groove of setting
Aluminum shell and the contact area of air are increased, aluminum shell radiating efficiency is promoted, reduces capacitance temperature.In cathode aluminium foil and anode
Be stacked two electrolytic papers between aluminium foil, promote the isolation intensity between cathode aluminium foil and positive pole aluminium foil, prevent cathode aluminium foil with
Negative electrode guide needle folded position protrusion causes electrolytic paper to extend rupture and leads to short-circuit generation, promotes capacitance pressure voltage and using peace
Quan Xing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the fuse of the utility model.
Fig. 2 is the cross section structure schematic diagram of the utility model capacitance.
Reference numeral is：Aluminum shell 1, fuse 2, sealing-plug 3, electrolytic paper 4, cathode aluminium foil 5, positive pole aluminium foil 6, negative electrode guide needle
7, positive guide pin 8, cathode aluminium foil 11, riveted joint 12, annular groove 13.
Specific implementation mode
For that can further appreciate that the feature, technological means and the specific purposes reached, function of the utility model, below
The utility model is described in further detail with specific implementation mode in conjunction with attached drawing.
Referring to figs. 1 to Fig. 2.
The utility model embodiment discloses a kind of novel aluminum capacitor, including aluminum shell 1, fuse 2, sealing-plug 3, fuse 2 are set
It is placed in aluminum shell 1, sealing-plug 3 is fixedly connected on 1 top of aluminum shell, and fuse 2 is by an electrolytic paper 4,5, one electricity of a cathode aluminium foil
Solution paper 4, a positive pole aluminium foil 6 are sequentially stacked and wind, and cathode aluminium foil 5 and 6 side of positive pole aluminium foil are respectively arranged with negative electrode guide needle 7
With positive guide pin 8, negative electrode guide needle 7 and positive guide pin 8 are electrically connected with cathode aluminium foil 5 and positive pole aluminium foil 6 respectively；Cathode aluminium foil 5 leans on
Nearly positive pole aluminium foil 6 is stacked with cathode aluminium foil 11 on one side, cathode aluminium foil 11 be covered on negative electrode guide needle 7 and with negative electrode guide needle 7
Electrical connection；Cathode aluminium foil 5 stretches out electrolytic paper 4 and 6 bottom edge of positive pole aluminium foil, and 5 bottom of cathode aluminium foil is adjacent with 1 bottom of aluminum shell
It connects.
When specific assembling, negative electrode guide needle 7 and positive guide pin 8 are riveted on 6 side of cathode aluminium foil 5 and positive pole aluminium foil respectively,
A cathode aluminium foil 11 is stacked close to positive pole aluminium foil 6 on one side and cathode aluminium foil 11 can be covered in negative electrode guide needle 7 in cathode aluminium foil 5
On, cathode aluminium foil 11 is riveted on negative electrode guide needle 7.By an electrolytic paper 4, a cathode aluminium foil 5, the positive aluminium of an electrolytic paper 4, one
Foil 6, which is sequentially stacked, is wound into fuse 2, and finally fuse 2 is placed in aluminum shell 1 and is closed with sealing-plug 3, that is, completes capacitance
Assembly.When specifically used, the electronics on cathode aluminium foil 5 can directly be flow on negative electrode guide needle 7, or flow through cathode aluminium foil
11 reboot on negative electrode guide needle 7, and electronics flow path increases, and promote ripple current resistivity, and electronics flow path shortens,
Reduce capacitance ESR.Cathode aluminium foil 5 stretch out electrolytic paper 4 and 6 bottom edge of positive pole aluminium foil and with 1 bottom contiguous of aluminum shell, fuse 2
The heat that work generates can be transmitted directly by cathode aluminium foil 5 in aluminum shell 1, and the efficiency that capacitance heat distributes is improved, and be dropped
Low capacitance Wen Sheng.Conduction can directly be conducted between aluminum shell 1 and cathode aluminium foil 5, and electronics flow path is shortened, and be reduced
Capacitance ESR.
Based on above-described embodiment, 11 middle part of cathode aluminium foil is fixedly connected on negative electrode guide needle 7.11 middle part of cathode aluminium foil
It is fixedly connected on negative electrode guide needle 7, shortens electronics flow path, the electronics of 11 both sides of cathode aluminium foil can flow quickly
On negative electrode guide needle 7, capacitance ESR is reduced, promotes capacitance working efficiency.
Based on above-described embodiment, 4 bottom edge 0.5mm of electrolytic paper is stretched out in 5 bottom of cathode aluminium foil.
Based on above-described embodiment, cathode aluminium foil 11 is fixedly connected by several riveted joints 12 with negative electrode guide needle 7, riveted joint
12 are symmetrically disposed on 7 both sides of negative electrode guide needle.Cathode aluminium foil 11, which is riveted on negative electrode guide needle 7, can form riveted joint 12, riveting
Connector 12 realizes the fixation between negative electrode guide needle 7 and cathode aluminium foil 11, easy to operate, and production efficiency is high.Riveted joint 12 is right
Claim ground setting in 7 both sides of negative electrode guide needle, increase negative electrode guide needle 7 and 11 electrical pickoff of cathode aluminium foil, on cathode aluminium foil 11
Electronics can rapidly be flowed on negative electrode guide needle 7, form electronics flow network, reduce ESR, enhancing ripple current is resisted
Ability.
Based on above-described embodiment, cathode aluminium foil 5, negative electrode guide needle 7, the overlapping height of cathode aluminium foil 11 are less than 0.5mm.
Based on above-described embodiment, several annular grooves 13 are set side by side on 1 outer wall of aluminum shell.The annular groove 13 of setting increases
The contact area of aluminum shell 1 and air promotes aluminum shell 1 radiating efficiency, reduces capacitance temperature.
Based on above-described embodiment, two electrolytic papers 4 are stacked between cathode aluminium foil 5 and positive pole aluminium foil 6.In cathode aluminium foil 5
It is stacked two electrolytic papers 4 between positive pole aluminium foil 6, promotes the isolation intensity between cathode aluminium foil 5 and positive pole aluminium foil 6, prevents from bearing
Pole aluminium foil 11 causes electrolytic paper 4 to extend rupture and leads to short-circuit generation with 7 folded position protrusion of negative electrode guide needle, promotes capacitance
Pressure voltage and safety in utilization.
Above example only expresses a kind of embodiment of the utility model, the description thereof is more specific and detailed, but not
Can the limitation to the utility model patent range therefore be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection domain.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of novel aluminum capacitor, including aluminum shell (1), fuse (2), sealing-plug (3), the fuse (2) are set to the aluminium
In shell (1), the sealing-plug (3) is fixedly connected at the top of the aluminum shell (1), which is characterized in that the fuse (2) is by one
Electrolytic paper (4), a cathode aluminium foil (5), an electrolytic paper (4), a positive pole aluminium foil (6) are sequentially stacked and wind, the cathode aluminium
Foil (5) and the positive pole aluminium foil (6) side are respectively arranged with negative electrode guide needle (7) and positive guide pin (8), the negative electrode guide needle (7)
It is electrically connected respectively with the cathode aluminium foil (5) and the positive pole aluminium foil (6) with the positive guide pin (8)；The cathode aluminium foil (5)
It is stacked with cathode aluminium foil (11) on one side close to the positive pole aluminium foil (6), the cathode aluminium foil (11) is covered in the cathode
It is electrically connected on guide pin (7) and with the negative electrode guide needle (7)；The cathode aluminium foil (5) stretches out the electrolytic paper (4) and the anode
Aluminium foil (6) bottom edge, cathode aluminium foil (5) bottom and the aluminum shell (1) bottom contiguous.
2. a kind of novel aluminum capacitor according to claim 1, which is characterized in that fixed in the middle part of the cathode aluminium foil (11)
It is connected on the negative electrode guide needle (7).
3. a kind of novel aluminum capacitor according to claim 1, which is characterized in that institute is stretched out in cathode aluminium foil (5) bottom
State electrolytic paper (4) bottom edge 0.5mm.
4. a kind of novel aluminum capacitor according to claim 1, which is characterized in that the cathode aluminium foil (11) is by several
Riveted joint (12) is fixedly connected with the negative electrode guide needle (7), and the riveted joint (12) is symmetrically disposed on the negative electrode guide needle (7) two
Side.
5. a kind of novel aluminum capacitor according to claim 1, which is characterized in that the cathode aluminium foil (5), negative electrode guide needle
(7), cathode aluminium foil (11) overlapping height is less than 0.5mm.
6. a kind of novel aluminum capacitor according to claim 1, which is characterized in that set side by side on aluminum shell (1) outer wall
It is equipped with several annular grooves (13).
7. a kind of novel aluminum capacitor according to claim 1, which is characterized in that the cathode aluminium foil (5) and the anode
Two electrolytic papers (4) are stacked between aluminium foil (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907121.XU CN207938470U (en) | 2017-12-30 | 2017-12-30 | A kind of novel aluminum capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907121.XU CN207938470U (en) | 2017-12-30 | 2017-12-30 | A kind of novel aluminum capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207938470U true CN207938470U (en) | 2018-10-02 |
Family
ID=63647496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721907121.XU Active CN207938470U (en) | 2017-12-30 | 2017-12-30 | A kind of novel aluminum capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207938470U (en) |
-
2017
- 2017-12-30 CN CN201721907121.XU patent/CN207938470U/en active Active
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