CN203466081U - High-voltage large-capacity aluminum electrolytic capacitor - Google Patents
High-voltage large-capacity aluminum electrolytic capacitor Download PDFInfo
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- CN203466081U CN203466081U CN201320196189.7U CN201320196189U CN203466081U CN 203466081 U CN203466081 U CN 203466081U CN 201320196189 U CN201320196189 U CN 201320196189U CN 203466081 U CN203466081 U CN 203466081U
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- aluminum hull
- electrolytic capacitor
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Abstract
A high-voltage large-capacity aluminum electrolytic capacitor includes an aluminum shell, a capacitor core and an insulation rubber cover; an opening is formed at the top of the aluminum shell; the insulation rubber cover is arranged at the top of the aluminum shell; the capacitor core is arranged in the inner cavity of the aluminum shell; an anode foil, electrolytic paper and a cathode foil are wound so as to form the capacitor core; the anode foil of the capacitor core is riveted with an anode pin; the anode pin passes through the insulation rubber cover and extends outwards; the cathode foil of the capacitor core is riveted with a cathode pin; and the cathode pin passes through the insulation rubber cover and extends outwards. The high-voltage large-capacity aluminum electrolytic capacitor of the utility model has the advantages of high voltage resistance and high safety. The surface of the anode foil is coated with an aluminum silver composite oxide film layer; the aluminum silver composite oxide film layer has a huge dielectric constant, and therefore, the specific capacitance of the anode foil can be greatly improved, and the voltage withstanding characteristic of the high-voltage large-capacity aluminum electrolytic capacitor can be improved.
Description
Technical field
The utility model relates to capacitor technology field, especially relates to a kind of high-voltage large-capacity aluminium electrolytic capacitor.
Background technology
Electronic message unit moves towards digitlization gradually, wherein the electric power of electronic unit consumption increases day by day, require electrolytic capacitor to there is higher voltage endurance and large capacity, electrolytic capacitor is all indispensable in a lot of circuit, general electrolytic capacitor comprises aluminum hull and is arranged in aluminum hull by electrolytic paper and anode foils, negative foil roll is around the capacitor core forming, the tongue of its Anodic pin and negative electrode pin is riveted on anode foils, in Cathode Foil, due to anode foils, the riveted joint of Cathode Foil goes out to adopt conventional aluminium material, the defect of forcing down in existence, thereby make easily to occur anode pin in the aging and application process of aluminium electrolytic capacitor, negative electrode pin and anode foils, riveted joint place of Cathode Foil is breakdown, and electrolytic capacitor was lost efficacy.
Summary of the invention
The utility model object is to provide a kind of high-voltage large-capacity aluminium electrolytic capacitor.To solve the technical problems such as the existing resistance to pressure of prior art is poor, fail safe is low, useful life is short.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of high-voltage large-capacity aluminium electrolytic capacitor, comprises aluminum hull, capacitor core, insulating cement lid; Described aluminum hull open top, wherein insulating cement lid is arranged on aluminum hull top; Described capacitor core is arranged on aluminum hull inner chamber, this capacitor core by anode foils, electrolytic paper, negative foil roll around forming; In the anode foils of described capacitor core, riveted joint has anode pin, and this anode pin is protruding through insulating cement lid, and in Cathode Foil, riveted joint has negative electrode pin, and this negative electrode pin is protruding through insulating cement lid.
As preferably, described anode foils surface-coated has aluminium silver combined oxidation rete.
As preferably, described anode pin comprises upper and lower two parts, and wherein the latter half is laminar silver-plated or zinc-plated copper chip, this copper chip and anode foils riveted joint; Described anode pin the first half is columned iron core lead-in wire, and this part is extended outside aluminum hull housing and extraneous contact.
As preferably, described negative electrode pin comprises upper and lower two parts, and wherein the latter half is laminar silver-plated or zinc-plated copper chip, this copper chip and Cathode Foil riveted joint; Described negative electrode pin the first half is columned iron core lead-in wire, and this part is extended outside aluminum hull housing and extraneous contact.
The utlity model has the advantages such as high resistance to pressure, safe, long service life.Anode paillon foil, negative electrode paillon foil are riveted respectively anode pin, the negative electrode pin through changing into, its Anodic pin, negative electrode pin all change into through high voltage, avoided in use anode pin and anode paillon foil, negative electrode pin and riveted joint place of negative electrode paillon foil of the utility model product to occur the phenomenon puncturing, thereby extended the useful life of electric capacity, simultaneously, by at anode paillon foil surface-coated aluminium silver combined oxidation rete, this aluminium silver combined oxidation rete has great dielectric constant, can significantly improve the specific volume of anode paillon foil, improve its voltage endurance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model capacitor core structural representation.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described in detail.
Fig. 1 is structure schematic diagram of the present utility model; Fig. 2 is the utility model capacitor core structural representation.From Fig. 1, in conjunction with Fig. 2, a kind of high-voltage large-capacity aluminium electrolytic capacitor, mainly by aluminum hull 1, capacitor core 5, insulating cement lid 3; Described aluminum hull 1 open top, wherein insulating cement lid 3 is arranged on aluminum hull 1 top; Described capacitor core 5 is arranged on aluminum hull 1 inner chamber, and this capacitor core 5 is reeled and formed by anode foils 8, electrolytic paper 6, Cathode Foil 7.
In the anode foils 8 of capacitor core 5, riveted joint has anode pin 4, wherein anode foils 8 surface-coated have aluminium silver combined oxidation rete 9, anode pin 4 comprises upper and lower two parts, and wherein the latter half is laminar silver-plated or zinc-plated copper chip 42, this copper chip 42 and anode foils 8 riveted joints; Described anode pin 4 the first half are columned iron core lead-in wire 41, and this iron core lead-in wire 41 extends outside aluminum hull 1 housing and extraneous contact.
In capacitor core 5 Cathode Foil, 7 riveted joints have negative electrode pin 2, and this negative electrode pin 2 comprises upper and lower two parts, and wherein the latter half is laminar silver-plated or zinc-plated copper chip 22, this copper chip 22 and Cathode Foil 7 riveted joints; Described negative electrode pin 2 the first half are columned iron core lead-in wire 21, and this columned iron core lead-in wire 21 extends outside aluminum hull 1 housing and extraneous contact.Anode pin 4, negative electrode pin 2 are changed into after aluminium foil is energized in the corrosion of 50-160V by the employing voltage of energizing.
Anode foils 8, Cathode Foil 7 is riveted respectively the anode pin 4 through changing into, negative electrode pin 2, its Anodic pin 4, negative electrode pin 2 all changes into after aluminium foil is energized in the corrosion of 50-160V through the voltage of energizing, the utility model product in use anode pin 4 and anode foils 8 have been avoided, there is with Cathode Foil 7 riveted joints place the phenomenon puncturing in negative electrode pin 2, thereby extended the useful life of electric capacity, simultaneously, by at anode foils 8 surface-coated aluminium silver combined oxidation retes 9, wherein aluminium silver combined oxidation rete 9 has great dielectric constant, can significantly improve the specific volume of anode foils 8, improve its voltage endurance.
The foregoing is only preferred embodiment of the present utility model; be not sufficient to limit the technical solution of the utility model; to one skilled in the art; increased and decreased according to the above description, replacement, conversion or improved technical scheme, should all belong to the protection range of the utility model claims.
Claims (4)
1. a high-voltage large-capacity aluminium electrolytic capacitor, comprises aluminum hull, capacitor core, insulating cement lid; It is characterized in that, described aluminum hull open top, wherein insulating cement lid is arranged on aluminum hull top; Described capacitor core is arranged on aluminum hull inner chamber, this capacitor core by anode foils, electrolytic paper, negative foil roll around forming; In the anode foils of described capacitor core, riveted joint has anode pin, and this anode pin is protruding through insulating cement lid, and in Cathode Foil, riveted joint has negative electrode pin, and this negative electrode pin is protruding through insulating cement lid.
2. a kind of high-voltage large-capacity aluminium electrolytic capacitor according to claim 1, is characterized in that, described anode foils surface-coated has aluminium silver combined oxidation rete.
3. a kind of high-voltage large-capacity aluminium electrolytic capacitor according to claim 1, is characterized in that, described anode pin comprises upper and lower two parts, and wherein the latter half is laminar silver-plated or zinc-plated copper chip, this copper chip and anode foils riveted joint; Described anode pin the first half is columned iron core lead-in wire, and this part is extended outside aluminum hull housing and extraneous contact.
4. a kind of high-voltage large-capacity aluminium electrolytic capacitor according to claim 1, is characterized in that, described negative electrode pin comprises upper and lower two parts, and wherein the latter half is laminar silver-plated or zinc-plated copper chip, this copper chip and Cathode Foil riveted joint; Described negative electrode pin the first half is columned iron core lead-in wire, and this part is extended outside aluminum hull housing and extraneous contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320196189.7U CN203466081U (en) | 2013-04-18 | 2013-04-18 | High-voltage large-capacity aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320196189.7U CN203466081U (en) | 2013-04-18 | 2013-04-18 | High-voltage large-capacity aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466081U true CN203466081U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320196189.7U Expired - Fee Related CN203466081U (en) | 2013-04-18 | 2013-04-18 | High-voltage large-capacity aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203466081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496575A (en) * | 2022-02-25 | 2022-05-13 | 广东省华钏电子有限公司 | Composite medium aluminium electrolytic capacitor |
-
2013
- 2013-04-18 CN CN201320196189.7U patent/CN203466081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496575A (en) * | 2022-02-25 | 2022-05-13 | 广东省华钏电子有限公司 | Composite medium aluminium electrolytic capacitor |
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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: 20140305 Termination date: 20150418 |
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| EXPY | Termination of patent right or utility model |