CN216450521U - Miniaturized high-voltage high-capacity aluminum electrolytic capacitor - Google Patents
Miniaturized high-voltage high-capacity aluminum electrolytic capacitor Download PDFInfo
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- CN216450521U CN216450521U CN202122783642.1U CN202122783642U CN216450521U CN 216450521 U CN216450521 U CN 216450521U CN 202122783642 U CN202122783642 U CN 202122783642U CN 216450521 U CN216450521 U CN 216450521U
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Abstract
The utility model discloses a miniaturized high-voltage large-capacity aluminum electrolytic capacitor which comprises an aluminum shell, wherein the upper end of the aluminum shell is provided with a top opening, the upper part of an inner cavity of the aluminum shell is fixedly provided with an insulating rubber cover, the inner cavity of the insulating rubber cover is provided with a capacitor core device, a waterproof sealing device is arranged inside the insulating rubber cover and comprises a sealing layer, a waterproof layer is fixedly arranged inside the sealing layer, a water absorbing layer is fixedly arranged inside the waterproof layer, and the waterproof sealing device is fixedly connected with the aluminum shell through the sealing layer. Through at positive pole paper tinsel surface coating aluminium silver composite oxide film layer, this aluminium silver composite oxide film layer has very big dielectric constant, can show the specific volume that improves positive pole paper tinsel, improves its compressive property, improves the compressive capacity to voltage and electric current, plays sealed effect through being provided with the sealing layer, prevents that outside steam from entering into in the aluminum hull, and the waterproof layer cooperation absorbs water the layer and has further improved water-proof effects.
Description
Technical Field
The utility model relates to the technical field of aluminum electrolytic capacitors, in particular to a miniaturized high-voltage large-capacity aluminum electrolytic capacitor.
Background
With the increasing demand of industrial equipment, high-end power supplies and LED lighting products on aluminum electrolytic capacitors, higher requirements are also put forward on the performance of the aluminum electrolytic capacitors, and the main technical requirements are as follows: the device has the advantages of large ripple current resistance, small size, high voltage, large capacity, high reliability, long service life, safety, wide temperature range and the like. The manufacturers of the BITCP aluminum electrolytic capacitors make corresponding research strategies aiming at the requirements, and the existing aluminum electrolytic capacitors have large volume, weak capability of bearing larger voltage and current, incapability of bearing larger ripple current, and poor waterproof effect, thereby influencing the normal use of the capacitors.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a miniaturized high-voltage large-capacity aluminum electrolytic capacitor, which solves the problems that the aluminum electrolytic capacitor has larger volume, higher voltage and current bearing capability, weaker capability of bearing larger ripple current, poorer waterproof effect and influence on the normal use of the capacitor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a miniaturized high-pressure large capacity aluminum electrolytic capacitor, includes the aluminum hull, open-top has been seted up to the upper end of aluminum hull, the inner chamber upper portion fixed mounting of aluminum hull has the insulating cement lid, the inner chamber of insulating cement lid is provided with electric capacity core device, the inside of insulating cement lid is provided with waterproof sealing device.
Preferably, electric capacity core device includes the positive pole paper tinsel, the positive pole paper tinsel is provided with a plurality of groups, a plurality of groups the equal fixed mounting in inside of positive pole paper tinsel has a negative pole paper tinsel, a plurality of groups the equal fixed mounting in surface of positive pole paper tinsel has an aluminium-silver composite oxide film layer, the common fixed mounting of opposite face of positive pole paper tinsel and negative pole paper tinsel has electrolytic paper, the upper end middle part fixed mounting of positive pole paper tinsel has the positive pole pin, the upper end middle part fixed mounting of negative pole paper tinsel has the negative pole pin, the equal fixed mounting in surface lower part left and right sides of positive pole pin and negative pole pin has a fixed block, two the equal activity interlude in upper end middle part of fixed block is connected with a rivet, electric capacity core device passes through positive pole paper tinsel and aluminum hull swing joint.
Preferably, the waterproof sealing device includes the sealing layer, the inside fixed mounting of sealing layer has the waterproof layer, the inside fixed mounting of waterproof layer has the layer that absorbs water, the waterproof sealing device passes through sealing layer and aluminum hull fixed connection.
Preferably, the capacitor core means is located inside the waterproof sealing means.
Preferably, the anode pin and the cathode pin penetrate through the lower end of the insulating rubber cover and extend out of the insulating rubber cover.
Preferably, the outer surface of the sealing layer is in contact with the inner wall of the aluminum shell.
Compared with the prior art, the utility model has the beneficial effects that: this miniaturized high pressure large capacity aluminum electrolytic capacitor, through at the compound oxide film layer of positive pole paper tinsel surface coating aluminium silver, this compound oxide film layer of aluminium silver has very big dielectric constant, can show the specific volume that improves positive pole paper tinsel, improve its compressive property, improve the compressive capacity to voltage and electric current, play sealed effect through being provided with the sealing layer, prevent that outside steam from entering into in the aluminum hull, waterproof layer cooperation absorbs water the layer and has further improved water-proof effects, the normal use of guarantee condenser.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a capacitor core assembly according to the present invention;
fig. 3 is a schematic structural view of the waterproof sealing device of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and examples.
Referring to fig. 1-3, a miniaturized high-voltage large-capacity aluminum electrolytic capacitor comprises an aluminum shell 1, wherein the upper end of the aluminum shell 1 is provided with a top opening 2, the upper part of the inner cavity of the aluminum shell 1 is fixedly provided with an insulating rubber cover 3, the inner cavity of the insulating rubber cover 3 is provided with a capacitor core device 4, and the insulating rubber cover 3 is internally provided with a waterproof sealing device 5.
In the utility model, the capacitor core device 4 comprises an anode foil 41, the anode foil 41 is provided with a plurality of groups, a cathode foil 42 is fixedly arranged in each of the anode foil 41 groups, an aluminum-silver composite oxide film layer 43 is fixedly arranged on the outer surface of each of the anode foil 41 groups, electrolytic paper 44 is fixedly arranged on the opposite surfaces of the anode foil 41 and the cathode foil 42 together, an anode pin 45 is fixedly arranged in the middle of the upper end of the anode foil 41, a cathode pin 46 is fixedly arranged in the middle of the upper end of the cathode foil 42, fixed blocks 47 are fixedly arranged on the left side and the right side of the lower parts of the outer surfaces of the anode pin 45 and the cathode pin 46 respectively, rivets 48 are movably inserted and connected in the middle of the upper ends of the two fixed blocks 47, the rivet 48 plays a fixing role, the capacitor core device 4 is movably connected with the aluminum shell 1 through the anode foil 41, and the aluminum-silver composite oxide film layer 43 has a very large dielectric constant, the specific volume of the anode foil 41 can be obviously improved, the voltage resistance characteristic is improved, and the voltage resistance capability to voltage and current is improved.
According to the utility model, the waterproof sealing device 5 comprises the sealing layer 51, the waterproof layer 52 is fixedly arranged inside the sealing layer 51, the water absorbing layer 53 is fixedly arranged inside the waterproof layer 52, the waterproof sealing device 5 is fixedly connected with the aluminum shell 1 through the sealing layer 51, the sealing layer 51 plays a role in sealing and prevents external water vapor from entering the aluminum shell 1, and the waterproof layer 52 is matched with the water absorbing layer 53 to further improve the waterproof effect and ensure the normal use of the capacitor.
In the utility model, the capacitor core device 4 is positioned inside the waterproof sealing device 5, and the capacitor core device 4 is protected and protected by the waterproof sealing device 5.
In the present invention, the anode pin 45 and the cathode pin 46 penetrate the lower end of the insulating rubber cover 3 and extend out of the insulating rubber cover 3, and the outer surface of the sealing layer 51 is in contact with the inner wall of the aluminum case 1.
When in use: through at positive pole paper tinsel 41 surface coating aluminium silver composite oxide film layer 43, this aluminium silver composite oxide film layer 43 has very big dielectric constant, can show the specific volume that improves positive pole paper tinsel, improve its withstand voltage characteristic, improve the withstand voltage to voltage and electric current, play sealed effect through being provided with sealing layer 51, prevent that outside steam from entering into in the aluminum hull 1, waterproof layer 52 cooperation absorbs water layer 53 and has further improved water-proof effects, the normal use of guarantee condenser.
In conclusion, the aluminum-silver composite oxide film layer 43 of the miniaturized high-voltage large-capacity aluminum electrolytic capacitor can significantly improve the specific volume of the anode foil 41 and improve the voltage withstanding property, and the waterproof sealing device 5 is arranged to improve the waterproof effect, so that the problems that the aluminum electrolytic capacitor has a large volume, is weak in capability of bearing large voltage and current, cannot bear large ripple current, and is poor in waterproof effect and influences the normal use of the capacitor are solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a miniaturized high-pressure large capacity aluminum electrolytic capacitor, includes the aluminum hull, its characterized in that, open-top has been seted up to the upper end of aluminum hull, the inner chamber upper portion fixed mounting of aluminum hull has the insulating cement lid, the inner chamber of insulating cement lid is provided with electric capacity core device, the inside of insulating cement lid is provided with waterproof sealing device.
2. The miniaturized high-voltage large-capacity aluminum electrolytic capacitor as recited in claim 1, the capacitor core device comprises a plurality of groups of anode foils, a cathode foil is fixedly arranged in each group of anode foils, an aluminum-silver composite oxide film layer is fixedly arranged on the outer surface of each group of anode foils, the opposite surfaces of the anode foil and the cathode foil are fixedly provided with electrolytic paper together, the middle part of the upper end of the anode foil is fixedly provided with an anode pin, the capacitor core device is characterized in that a cathode pin is fixedly mounted in the middle of the upper end of the cathode foil, fixed blocks are fixedly mounted on the left side and the right side of the lower portion of the outer surface of the anode pin and the lower portion of the outer surface of the cathode pin, a rivet is movably connected in the middle of the upper end of each fixed block in an inserting mode, and the capacitor core device is movably connected with the aluminum shell through the anode foil.
3. The miniaturized high-voltage large-capacity aluminum electrolytic capacitor as claimed in claim 1, wherein the waterproof sealing device comprises a sealing layer, a waterproof layer is fixedly arranged inside the sealing layer, a water absorbing layer is fixedly arranged inside the waterproof layer, and the waterproof sealing device is fixedly connected with the aluminum shell through the sealing layer.
4. The miniaturized high-voltage large-capacity aluminum electrolytic capacitor as claimed in claim 1, wherein the capacitor core means is located inside a waterproof sealing means.
5. The aluminum electrolytic capacitor of claim 2, wherein the anode pin and the cathode pin penetrate through the lower end of the insulating rubber cover and extend out of the insulating rubber cover.
6. A miniaturized high-voltage large-capacity aluminum electrolytic capacitor as claimed in claim 3, wherein the outer surface of said sealing layer is in contact with the inner wall of the aluminum case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122783642.1U CN216450521U (en) | 2021-11-14 | 2021-11-14 | Miniaturized high-voltage high-capacity aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122783642.1U CN216450521U (en) | 2021-11-14 | 2021-11-14 | Miniaturized high-voltage high-capacity aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216450521U true CN216450521U (en) | 2022-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122783642.1U Active CN216450521U (en) | 2021-11-14 | 2021-11-14 | Miniaturized high-voltage high-capacity aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216450521U (en) |
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2021
- 2021-11-14 CN CN202122783642.1U patent/CN216450521U/en active Active
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