CN207800374U - A kind of aluminum capacitor of cathode outsourcing - Google Patents
A kind of aluminum capacitor of cathode outsourcing Download PDFInfo
- Publication number
- CN207800374U CN207800374U CN201721907100.8U CN201721907100U CN207800374U CN 207800374 U CN207800374 U CN 207800374U CN 201721907100 U CN201721907100 U CN 201721907100U CN 207800374 U CN207800374 U CN 207800374U
- Authority
- CN
- China
- Prior art keywords
- aluminium foil
- cathode
- fuse
- aluminum
- aluminum shell
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 66
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000003990 capacitor Substances 0.000 title claims abstract description 23
- 238000012946 outsourcing Methods 0.000 title claims abstract description 14
- 239000005030 aluminium foil Substances 0.000 claims abstract description 72
- 239000004519 grease Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 239000011888 foil Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The utility model provides a kind of aluminum capacitor of cathode outsourcing, including aluminum shell, fuse, fuse is set in aluminum shell, fuse includes cathode aluminium foil, positive pole aluminium foil, electrolytic paper, fuse is by cathode aluminium foil, electrolytic paper, positive pole aluminium foil, which is sequentially stacked, to wind, fuse outmost turns are cathode aluminium foil, cathode aluminium foil side is fixedly connected with the cathode being electrically connected with cathode aluminium foil and draws item, positive pole aluminium foil side is fixedly connected with the anode being electrically connected with positive pole aluminium foil and draws item, aluminum shell side is fixedly connected with the sealing-plug of closing aluminum shell, anode draws item and cathode draws item and runs through and stretch out on the outside of sealing-plug.Fuse is sequentially stacked by cathode aluminium foil, electrolytic paper, positive pole aluminium foil and is wound, then fuse group is entered into aluminum shell, and aluminum shell can be effectively protected fuse.Without stacked extra electrolytic paper on the outside of cathode aluminium foil, reduces the dosage of electrolytic paper, reduce cost, it is simple in structure, aluminum capacitor production process is simplified, yield is promoted.
Description
Technical field
The utility model is related to capacitance technology fields, specifically disclose a kind of aluminum capacitor of cathode outsourcing.
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, typical aluminum capacitor is mainly made of metal shell and the fuse in metal shell, wherein fuse is by just
Pole aluminium foil, cathode aluminium foil and electrolytic paper are wound.General winding method is that an electrolysis is padded between positive and negative electrode aluminium foil
In addition paper pads an electrolytic paper again on the outside of outer foil.Electrolytic paper between positive and negative electrode aluminium foil play isolation positive pole aluminium foil and
The effect of cathode aluminium foil, the electrolytic paper on the outside of outer foil play the role of protection, that is, prevent it is external pierce through aluminium foil cause it is positive and negative
It is short-circuit between the aluminium foil of pole.Actually there is high-strength metal shell to protect on aluminum capacitor composition, seldom there is fuse and pierced by outside
The phenomenon that wearing.Electrolytic paper is padded on the outside of outer foil and is wound into fuse, undoubtedly wastes extra electrolytic paper, while causing capacitance
Volume increases, and limits the design of capacitor size, reduces capacitance.
Utility model content
Based on this, it is necessary to be directed to prior art problem, provide a kind of aluminum capacitor of cathode outsourcing, unique knot is arranged
Structure reduces the electrolytic paper on the outside of outer foil, achievees the purpose that reduce material consumption and reduces the cathode outsourcing of capacitance volume
Aluminum capacitor.
To solve prior art problem, the utility model discloses a kind of aluminum capacitor of cathode outsourcing, including aluminum shell, core
Son, fuse are set in aluminum shell, and fuse includes cathode aluminium foil, positive pole aluminium foil, electrolytic paper, fuse by cathode aluminium foil, electrolytic paper,
Positive pole aluminium foil, which is sequentially stacked, to wind, and fuse outmost turns are cathode aluminium foil, and cathode aluminium foil side is fixedly connected with and cathode aluminium
The negative electrode guide needle of foil electrical connection, positive pole aluminium foil side is fixedly connected with the positive guide pin being electrically connected with positive pole aluminium foil, aluminum shell one
Side is fixedly connected with the sealing-plug of closing aluminum shell, and positive guide pin runs through with negative electrode guide needle and stretches out on the outside of sealing-plug.
Preferably, sealing-plug side is provided with annular groove, and aluminum shell side is provided with and the matched groove of annular groove shape,
Groove is set on annular groove, and annular baffle, annular baffle and sealing-plug top are provided in aluminum shell and at the top of sealing-plug
Portion abuts.
Preferably, fuse bottom and aluminum shell bottom contiguous.
Preferably, electrolytic paper width is bigger than the width of positive pole aluminium foil and cathode aluminium foil.
Preferably, heat-conducting silicone grease is coated between fuse outer wall and aluminum shell.
The beneficial effects of the utility model are：The utility model discloses a kind of aluminum capacitor of cathode outsourcing, and setting is unique
Structure, fuse by cathode aluminium foil, electrolytic paper, positive pole aluminium foil be sequentially stacked winding form and fuse outmost turns be cathode aluminium foil,
Fuse group is entered into aluminum shell again, aluminum shell can be effectively protected fuse.Without stacked extra electrolysis on the outside of cathode aluminium foil
Paper reduces the dosage of electrolytic paper, reduces cost, simple in structure, simplifies aluminum capacitor production process, promotes yield.Cooperation
The groove and annular groove of setting, can effectively realize the fixation of sealing-plug, and annular baffle plays the movement of baffle seal plug simultaneously
With the effect for reinforcing aluminum capacitor structural stability.Fuse bottom and aluminum shell bottom contiguous, the heat that fuse work generates can be fast
Fast ground is transmitted outward by aluminum shell, and radiating efficiency is high.Electrolytic paper width is arranged to it is bigger than positive pole aluminium foil and cathode aluminium foil,
It prevents positive pole aluminium foil and cathode aluminium foil from exposing electrolytic paper edge and contacts with each other and cause short circuit, promote capacitance safety in utilization.
Coated with thermally conductive silicone grease between fuse outer wall and aluminum shell reinforces the heat-conducting effect between fuse and aluminum shell, reinforces heat dissipation.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of the utility model capacitance.
Fig. 2 is the structural schematic diagram of the fuse of the utility model.
Reference numeral is：Aluminum shell 1, groove 11, annular baffle 12, fuse 2, cathode aluminium foil 3, positive pole aluminium foil 4, electrolytic paper
5, negative electrode guide needle 6, positive guide pin 7, sealing-plug 8, annular groove 81.
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 aluminum capacitor of cathode outsourcing, including aluminum shell 1, fuse 2, and fuse 2 is arranged
In in aluminum shell 1, fuse 2 includes cathode aluminium foil 3, positive pole aluminium foil 4, electrolytic paper 5, and fuse 2 is by cathode aluminium foil 3, electrolytic paper 5, just
Pole aluminium foil 4, which is sequentially stacked, to wind, and 2 outmost turns of fuse are cathode aluminium foil 3, and 3 side of cathode aluminium foil is fixedly connected with and cathode
The negative electrode guide needle 6 that aluminium foil 3 is electrically connected, 4 side of positive pole aluminium foil is fixedly connected with the positive guide pin 7 being electrically connected with positive pole aluminium foil 4, aluminium
1 side of shell is fixedly connected with the sealing-plug 8 of closing aluminum shell 1, and positive guide pin 7 runs through with negative electrode guide needle 6 and stretches out sealing
8 outside of plug.
When specific assembly, the negative electrode guide needle 6 that riveting one is connected electrically in 3 side of cathode aluminium foil, in 4 side of positive pole aluminium foil
Cathode aluminium foil 3, electrolytic paper 5, positive pole aluminium foil 4 are sequentially stacked simultaneously wound into rolls by the positive guide pin 7 that riveting one is connected electrically
Fuse 2, fuse 2 wind after the completion of outmost turns be cathode aluminium foil 3, fuse 2 be placed in aluminum shell 1 in and encrypt blocking 8 carry out it is close
Envelope, positive guide pin 7 stretch out 8 outside of sealing-plug to realize that the connection with external circuit uses with negative electrode guide needle 6.Aluminum shell 1 plays
The effect of protection fuse 2,3 outside of cathode aluminium foil reduce the dosage of electrolytic paper, reduce cost without stacked electrolytic paper, letter
Aluminum capacitor production process is changed.
Based on above-described embodiment, 8 side of sealing-plug is provided with annular groove 81, and 1 side of aluminum shell is provided with and annular groove 81
The matched groove 11 of shape, groove 11 are set on annular groove 81, and annular is provided in aluminum shell 1 and positioned at 8 top of sealing-plug
Catch 12, annular baffle 12 are abutted with 8 top of sealing-plug.Groove 11 is set on annular groove 81, it is right that aluminum shell 1 may be implemented
The latching function of sealing-plug 8, effectively realizes the fixation to sealing-plug 8, and annular baffle 12 plays the movement of baffle seal plug 8 simultaneously
And reinforce the effect of aluminum capacitor structural stability.
Based on above-described embodiment, 2 bottom of fuse and 1 bottom contiguous of aluminum shell.2 bottom of fuse and 1 bottom contiguous of aluminum shell,
The heat that the work of fuse 2 generates can outward be transmitted readily through aluminum shell 1, promote capacitance radiating efficiency.
Based on above-described embodiment, 5 width of electrolytic paper is bigger than the width of positive pole aluminium foil 4 and cathode aluminium foil 3.By electrolytic paper 5
Width is arranged to bigger than positive pole aluminium foil 4 and cathode aluminium foil 3, prevents positive pole aluminium foil 4 and cathode aluminium foil 3 from exposing 5 edge of electrolytic paper
And contact with each other and cause short circuit, promote capacitance safety in utilization.
Based on above-described embodiment, heat-conducting silicone grease is coated between 2 outer wall of fuse and aluminum shell 1.Heat-conducting silicone grease is in fat shape
State reinforces the heat-conducting effect between fuse 2 and aluminum shell 1 using its high-termal conductivity, reinforces capacitance heat dissipation.
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 aluminum capacitor of cathode outsourcing, including aluminum shell (1), fuse (2), the fuse (2) are set to the aluminum shell
(1) in, which is characterized in that the fuse (2) includes cathode aluminium foil (3), positive pole aluminium foil (4), electrolytic paper (5), the fuse (2)
It is sequentially stacked and is wound by the cathode aluminium foil (3), electrolytic paper (5), positive pole aluminium foil (4), fuse (2) outmost turns are institute
Cathode aluminium foil (3) is stated, cathode aluminium foil (3) side is fixedly connected with the negative electrode guide needle being electrically connected with the cathode aluminium foil (3)
(6), positive pole aluminium foil (4) side is fixedly connected with the positive guide pin (7) being electrically connected with the positive pole aluminium foil (4), the aluminium
Shell (1) side is fixedly connected with the sealing-plug (8) for closing the aluminum shell (1), and the anode guide pin (7) is led with the cathode
Needle (6) runs through and stretches out on the outside of the sealing-plug (8).
2. a kind of aluminum capacitor of cathode outsourcing according to claim 1, which is characterized in that sealing-plug (8) side is set
Be equipped with annular groove (81), aluminum shell (1) side be provided with the matched groove of the annular groove (81) shape (11), it is described
Groove (11) is set on the annular groove (81), and ring is provided on the aluminum shell (1) and at the top of the sealing-plug (8)
It is abutted at the top of shape catch (12), the annular baffle (12) and the sealing-plug (8).
3. a kind of aluminum capacitor of cathode outsourcing according to claim 1, which is characterized in that fuse (2) bottom and institute
State aluminum shell (1) bottom contiguous.
4. a kind of aluminum capacitor of cathode outsourcing according to claim 1, which is characterized in that electrolytic paper (5) the width ratio
The width of the positive pole aluminium foil (4) and the cathode aluminium foil (3) is big.
5. a kind of aluminum capacitor of cathode outsourcing according to claim 1, which is characterized in that fuse (2) outer wall and institute
It states and is coated with heat-conducting silicone grease between aluminum shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907100.8U CN207800374U (en) | 2017-12-30 | 2017-12-30 | A kind of aluminum capacitor of cathode outsourcing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721907100.8U CN207800374U (en) | 2017-12-30 | 2017-12-30 | A kind of aluminum capacitor of cathode outsourcing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800374U true CN207800374U (en) | 2018-08-31 |
Family
ID=63276922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721907100.8U Expired - Fee Related CN207800374U (en) | 2017-12-30 | 2017-12-30 | A kind of aluminum capacitor of cathode outsourcing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800374U (en) |
-
2017
- 2017-12-30 CN CN201721907100.8U patent/CN207800374U/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: 20180831 |