CN207938469U - A kind of lead aluminum capacitor reducing ESR - Google Patents
A kind of lead aluminum capacitor reducing ESR Download PDFInfo
- Publication number
- CN207938469U CN207938469U CN201721907095.0U CN201721907095U CN207938469U CN 207938469 U CN207938469 U CN 207938469U CN 201721907095 U CN201721907095 U CN 201721907095U CN 207938469 U CN207938469 U CN 207938469U
- Authority
- CN
- China
- Prior art keywords
- aluminium foil
- cathode
- cathode aluminium
- positive pole
- negative electrode
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 43
- 239000003990 capacitor Substances 0.000 title claims abstract description 18
- 239000005030 aluminium foil Substances 0.000 claims abstract description 124
- 238000002955 isolation Methods 0.000 abstract description 5
- 239000004411 aluminium Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model provides a kind of lead aluminum capacitor reducing ESR, including aluminum shell, fuse, sealing-plug, fuse is sequentially stacked and is wound by an electrolytic paper A, a cathode aluminium foil, an electrolytic paper B, an electrolytic paper C, a positive pole aluminium foil, cathode aluminium foil and positive pole aluminium foil side are respectively arranged with negative electrode guide needle and positive guide pin, and 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 stacked with cathode aluminium foil close to positive pole aluminium foil on one side, and cathode aluminium foil is covered on negative electrode guide needle, and cathode aluminium foil side is riveted on cathode aluminium foil.Cathode aluminium foil increases the path of electronics flowing, reduces capacitance ESR, promotes ripple current resistivity.It is stacked two electrolytic papers between cathode aluminium foil and positive pole aluminium foil, promotes the isolation intensity between cathode aluminium foil and positive pole aluminium foil, pressure resistance is promoted, and capacitance service life is long, effectively prevent short circuit.
Description
Technical field
The utility model is related to capacitance technology fields, specifically disclose a kind of lead aluminum capacitor reducing ESR.
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.Lead aluminum capacitor is a kind of form of aluminum capacitor encapsulation, has two lead-out wires, and lead-out wire is inserted into wiring board when use
It is welded in hole.Existing lead aluminum capacitor ESR is big, ripple current resistivity and pressure resistance are insufficient, largely restricts
The performance boost of electronic product.
Utility model content
Based on this, it is necessary to be directed to prior art problem, provide a kind of lead aluminum capacitor reducing ESR, setting is unique
Structure can increase electronics flow path, and reaching reduces ESR, promotes the mesh that ripple current resists intensity, promotes capacitance pressure voltage
's.
For solve prior art problem, the utility model disclose it is a kind of reduce ESR lead 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, one
Cathode aluminium foil, an electrolytic paper B, an electrolytic paper C, a positive pole aluminium foil are sequentially stacked and wind, cathode aluminium foil and positive pole aluminium foil one
Side is respectively arranged with negative electrode guide needle and positive guide pin, and negative electrode guide needle and positive guide pin are electrically connected with cathode aluminium foil and positive pole aluminium foil respectively
It connects；Cathode aluminium foil is stacked with cathode aluminium foil close to positive pole aluminium foil on one side, and cathode aluminium foil is covered on negative electrode guide needle, cathode aluminium
Paillon side is provided with several riveted joints being set up in parallel being fixedly connected between cathode aluminium foil and cathode aluminium foil；Cathode is led
Needle and positive guide pin run through and stretch out outside sealing-plug.
Preferably, negative electrode guide needle is located at cathode aluminium foil medium position side.
Preferably, cathode aluminium foil width is smaller than cathode aluminium foil width.
Preferably, the blocker ring being provided in aluminum shell at the top of sealing-plug, blocker ring are abutted with sealing-plug.
Preferably, several annular grooves being set up in parallel are provided on aluminum shell outer wall.
The beneficial effects of the utility model are：The utility model discloses a kind of lead aluminum capacitor reducing ESR, and setting is unique
Structure, be sequentially stacked by an electrolytic paper A, a cathode aluminium foil, an electrolytic paper B, an electrolytic paper C, a positive pole aluminium foil and be wound into core
Son is stacked a cathode aluminium foil in cathode aluminium foil close to positive pole aluminium foil one side, and cathode aluminium foil is covered on negative electrode guide needle, cathode
Cathode aluminium foils and the fixation of cathode aluminium foil are realized by several riveted joints for being set up in parallel and is electrically connected in aluminium foil side.Cathode
Electronics on aluminium foil can directly flow on negative electrode guide needle or flow through cathode aluminium foil and reboot on negative electrode guide needle, cathode aluminium foil
Piece increases the path of electronics flowing, reduces capacitance ESR, promotes ripple current resistivity.Since lead type aluminum capacitor is negative
Pole aluminum foil thickness is thin, realizes the fixation of cathode aluminium foil by riveted joint between cathode aluminium foil and cathode aluminium foil, avoids
Repetition riveting on negative electrode guide needle causes aluminium foil damaged or generates burr and lead to short-circuit generation.In cathode aluminium foil and anode
Two electrolytic papers are stacked between aluminium foil, capacitance pressure resistance is promoted, and improves the isolation intensity between cathode aluminium foil and positive pole aluminium foil, is prevented
Only negative electrode guide needle and cathode aluminium foil folded position protrusion cause electrolytic paper to stretch to extend and rupture, two electrolytic papers detached it
Between there are gap, overlap intensity higher, effectively promote the isolation intensity between cathode aluminium foil and positive pole aluminium foil, service life
Length effectively prevent short circuit.Negative electrode guide needle is set to cathode aluminium foil medium position side, shortens electronics from cathode aluminium foil both sides
The distance flowing on negative electrode guide needle reduces capacitance ESR.Cathode aluminium foil width is arranged to, cathode aluminium smaller than cathode aluminium foil
Paillon will be buried between cathode aluminium foil and electrolytic paper, cathode aluminium foil engaged with cathode aluminium foil it is closer, electronics flow more
It is stable, more efficient.Annular groove on aluminum shell outer wall is set, the heat dissipation area of aluminum shell is increased, capacitance radiating efficiency carries
It rises.
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 A4, cathode aluminium foil 5, positive pole aluminium foil 6, cathode are led
Needle 7, positive guide pin 8, cathode aluminium foil 9, riveted joint 10, electrolytic paper B11, electrolytic paper C12, blocker ring 13, annular groove 14.
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 lead aluminum capacitor reducing ESR, including aluminum shell 1, fuse 2, sealing-plug
3, fuse 2 is set in aluminum shell 1, and sealing-plug 3 is fixedly connected on 1 top of aluminum shell, and fuse 2 is by an electrolytic paper A4, a cathode
Aluminium foil 5, an electrolytic paper B11, an electrolytic paper C12, a positive pole aluminium foil 6 are sequentially stacked and wind, cathode aluminium foil 5 and positive pole aluminium foil
6 sides are respectively arranged with negative electrode guide needle 7 and positive guide pin 8, negative electrode guide needle 7 and anode guide pin 8 respectively with cathode aluminium foil 5 and anode
Aluminium foil 6 is electrically connected；Cathode aluminium foil 5 is stacked with cathode aluminium foil 9 on one side close to positive pole aluminium foil 6, and cathode aluminium foil 9 is covered in cathode
On guide pin 7,9 side of cathode aluminium foil is provided be fixedly connected between cathode aluminium foil 9 and cathode aluminium foil 5 several and sets side by side
The riveted joint 10 set；Negative electrode guide needle 7 and positive guide pin 8 run through and stretch out outside sealing-plug 3.
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,
One cathode aluminium foil 9 is stacked on cathode aluminium foil 5, cathode aluminium foil 9 can be covered on negative electrode guide needle 7, by cathode aluminium foil 9
Side, which is riveted on, forms several riveted joints 10 arranged side by side on cathode aluminium foil 5.By an electrolytic paper A4, a cathode aluminium foil 5, an electrolytic paper
B11, an electrolytic paper C12, a positive pole aluminium foil 6 are sequentially stacked and are wound into fuse 2, and fuse is entered in aluminum shell 1 and with sealing-plug for 2 groups
3 are closed, that is, complete the assembly of capacitance.When specifically used, the electronics on cathode aluminium foil 5 can directly flow to negative electrode guide needle 7
It goes up or flows through cathode aluminium foil 9 and reboot on negative electrode guide needle 7, cathode aluminium foil 9 increases the path of electronics flowing, reduces
Capacitance ESR promotes ripple current resistivity.It is stacked two electrolytic papers 4 between cathode aluminium foil 5 and positive pole aluminium foil 6, is promoted negative
Isolation intensity between pole aluminium foil 5 and positive pole aluminium foil 6 prevents negative electrode guide needle 7 and 9 folded position protrusion of cathode aluminium foil from leading to electricity
Solution paper 4, which stretches, to extend and ruptures, and there are gaps between the electrolytic paper 4 of two separation, overlap intensity higher, are effectively promoted to cathode
Isolation intensity between aluminium foil 5 and positive pole aluminium foil 6, service life is long, effectively prevent short circuit.
Based on above-described embodiment, negative electrode guide needle 7 is located at 9 medium position side of cathode aluminium foil.Negative electrode guide needle 7 is set to negative
Aluminium foil 9 medium position side in pole shortens electronics and flow to the distance on negative electrode guide needle 7 from 9 both sides of cathode aluminium foil, reduces electricity
Hold ESR.
Based on above-described embodiment, 9 width of cathode aluminium foil is smaller than 5 width of cathode aluminium foil.9 width of cathode aluminium foil is arranged
At smaller than 5 width of cathode aluminium foil, cathode aluminium foil 9 will be buried between cathode aluminium foil 5 and electrolytic paper 4, cathode aluminium foil 9 with
Cathode aluminium foil 5 engage it is closer, electronics flowing it is more stable, more efficient.
Based on above-described embodiment, be provided with the blocker ring 13 positioned at the top of sealing-plug 3 in aluminum shell 1, blocker ring 13 with it is close
Blocking 3 abuts.The blocker ring 13 of setting realizes the reinforcing to sealing-plug 3, promotes capacitance stability.
Based on above-described embodiment, several annular grooves 14 being set up in parallel are provided on 1 outer wall of aluminum shell.It is arranged in aluminum shell
Annular groove 14 on 1 outer wall, increases the heat dissipation area of aluminum shell 1, and capacitance radiating efficiency is promoted.
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 (5)
1. a kind of lead aluminum capacitor reducing ESR, including aluminum shell (1), fuse (2), sealing-plug (3), fuse (2) setting
In the aluminum shell (1), the sealing-plug (3) is fixedly connected at the top of the aluminum shell (1), which is characterized in that the core
Sub (2) by an electrolytic paper A (4), a cathode aluminium foil (5), an electrolytic paper B (11), an electrolytic paper C (12), a positive pole aluminium foil (6) according to
It is secondary it is stacked wind, the cathode aluminium foil (5) and the positive pole aluminium foil (6) side are respectively arranged with negative electrode guide needle (7) and just
Pole guide pin (8), the negative electrode guide needle (7) and the positive guide pin (8) respectively with the cathode aluminium foil (5) and the positive pole aluminium foil
(6) it is electrically connected；The cathode aluminium foil (5) is stacked with cathode aluminium foil (9), the cathode on one side close to the positive pole aluminium foil (6)
Aluminium foil (9) is covered on the negative electrode guide needle (7), and cathode aluminium foil (9) side, which is provided with, is fixedly connected on described bear
Several riveted joints (10) being set up in parallel between pole aluminium foil (9) and the cathode aluminium foil (5)；The negative electrode guide needle (7) and
The anode guide pin (8) runs through and stretches out the sealing-plug (3) outside.
2. a kind of lead aluminum capacitor reducing ESR according to claim 1, which is characterized in that negative electrode guide needle (7) position
In cathode aluminium foil (9) the medium position side.
3. a kind of lead aluminum capacitor reducing ESR according to claim 1, which is characterized in that the cathode aluminium foil (9)
Width is smaller than cathode aluminium foil (5) width.
4. a kind of lead aluminum capacitor reducing ESR according to claim 1, which is characterized in that set on the aluminum shell (1)
The blocker ring (13) being equipped at the top of the sealing-plug (3), the blocker ring (13) abut with the sealing-plug (3).
5. a kind of lead aluminum capacitor reducing ESR according to claim 1, which is characterized in that aluminum shell (1) outer wall
On be provided with several annular grooves (14) being set up in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907095.0U CN207938469U (en) | 2017-12-30 | 2017-12-30 | A kind of lead aluminum capacitor reducing ESR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907095.0U CN207938469U (en) | 2017-12-30 | 2017-12-30 | A kind of lead aluminum capacitor reducing ESR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207938469U true CN207938469U (en) | 2018-10-02 |
Family
ID=63647535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721907095.0U Expired - Fee Related CN207938469U (en) | 2017-12-30 | 2017-12-30 | A kind of lead aluminum capacitor reducing ESR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207938469U (en) |
-
2017
- 2017-12-30 CN CN201721907095.0U patent/CN207938469U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |