CN213366408U - Aluminum electrolytic capacitor based on low impedance - Google Patents
Aluminum electrolytic capacitor based on low impedance Download PDFInfo
- Publication number
- CN213366408U CN213366408U CN202021636487.XU CN202021636487U CN213366408U CN 213366408 U CN213366408 U CN 213366408U CN 202021636487 U CN202021636487 U CN 202021636487U CN 213366408 U CN213366408 U CN 213366408U
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- Prior art keywords
- aluminum foil
- pin
- aluminum
- electrolytic capacitor
- low impedance
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 97
- 239000003990 capacitor Substances 0.000 title claims abstract description 41
- 239000011888 foil Substances 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 238000004806 packaging method and process Methods 0.000 claims abstract description 27
- 239000003792 electrolyte Substances 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 17
- 239000005030 aluminium foil Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- WABPQHHGFIMREM-NOHWODKXSA-N lead-200 Chemical compound [200Pb] WABPQHHGFIMREM-NOHWODKXSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model relates to the technical field of capacitors, in particular to an aluminum electrolytic capacitor based on low impedance, which comprises a packaging shell, a first pin and a second pin which are arranged in the packaging shell, and an electrolytic component which is wound in the packaging shell; the electrolytic assembly comprises a first aluminum foil connected with the first pins, a second aluminum foil connected with the second pins, and electrolytic paper arranged between the first aluminum foil and the second aluminum foil; the first aluminum foil, the electrolytic paper, the second aluminum foil and the electrolytic paper are sequentially stacked and wound and impregnated with electrolyte; the packaging shell is provided with a necking part, the necking part is packaged with a sealing element, and the sealing element is tightly pressed on the necking part by the packaging shell through riveting; the first pin and the second pin penetrate through the sealing element and extend to the outside; the utility model adopts the aluminum electrolytic capacitor structure, can reduce impedance in use, bear ripple current and improve, and can effectively prolong the service life of the capacitor.
Description
Technical Field
The utility model relates to the technical field of capacitors, in particular to an aluminum electrolytic capacitor based on low impedance.
Background
Capacitors, referred to as capacitors, are also the main components that make up electronic circuits. It can store electric energy and has the characteristics of charging, discharging, alternating current communication and direct current isolation. It is one of indispensable basic elements for mass use of various types of electronic devices. The aluminum shell inner element of the aluminum electrolytic capacitor generally consists of cathode aluminum foils, anode aluminum foils and electrolytic paper among the aluminum foils.
However, the existing aluminum electrolytic capacitor is easy to be damaged in use, for example, a pressing piece is arranged on an electric appliance or the capacitor is easy to be damaged when the aluminum electrolytic capacitor falls off, so that the internal structure is damaged, the service life of the capacitor is influenced, and the structure of the capacitor can be further improved to achieve the purpose of prolonging the service life.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an aluminum electrolytic capacitor based on low impedance which adopts the aluminum electrolytic capacitor structure, can reduce the impedance by in use, bears the ripple resistant current and obtains improving, can effectively promote the life of condenser.
The utility model adopts the technical proposal that: an aluminum electrolytic capacitor based on low impedance comprises a packaging shell, a first pin and a second pin which are arranged in the packaging shell, and an electrolytic component wound in the packaging shell;
the electrolytic component comprises a first aluminum foil connected with the first pins, a second aluminum foil connected with the second pins, and electrolytic paper arranged between the first aluminum foil and the second aluminum foil;
the scheme is further improved in that the first aluminum foil, the electrolytic paper, the second aluminum foil and the electrolytic paper are sequentially stacked and wound and impregnated with electrolyte;
the technical scheme is further improved in that the packaging shell is provided with a necking part, the necking part is packaged with a sealing element, and the sealing element is tightly pressed on the necking part by the packaging shell through riveting;
the scheme is further improved, the first pin and the second pin both penetrate through the sealing element and extend to the outside;
the further improvement of the scheme is that the necking part comprises a compression ring and a buckling ring which is formed on the compression ring in a riveting and pressing mode, the sealing element is annularly provided with a buckling groove, and the buckling ring is pressed into the buckling groove.
The further improvement of the scheme is that the packaging shell is formed by integrally punching and molding an aluminum shell.
The packaging shell is further improved in the mode that a gasket is punched and formed at one end, deviating from the necking part, of the packaging shell.
The further improvement of the scheme is that a plurality of pressing strips are uniformly distributed in the circumferential direction of the pressing ring in the pressing mode.
The further improvement of the scheme is that the sealing element is formed by integrally molding epoxy resin, and a sealing outer lip is arranged on the outer edge of the corresponding buckling ring.
The further improvement of the scheme is that the sealing element is provided with a pressing groove corresponding to the pressing ring and sealing inner lips positioned at two sides of the pressing groove.
The further improvement of the scheme is that the first pin is an anode pin, the first aluminum foil is an anode aluminum foil, and the first pin is connected with the first aluminum foil in a riveting manner.
The further improvement of the scheme is that the second pin is a negative electrode pin, the second aluminum foil is a negative electrode aluminum foil, and the second pin is connected with the second aluminum foil in a riveting manner.
The further improvement of the scheme is that the thickness of the first aluminum foil is 0.1-0.15 mm.
In a further improvement of the above solution, the thickness of the second aluminum foil is greater than or equal to the thickness of the first aluminum foil.
The utility model has the advantages that:
compared with the traditional capacitor, the utility model adopts the aluminum electrolytic capacitor structure, so that the impedance can be reduced in use, the ripple current resistance can be improved, and the service life of the capacitor can be effectively prolonged; meanwhile, the sealing element is arranged, the sealing effect of the whole structure can be enhanced, the dustproof and waterproof effects of the internal structure are improved under the sealing effect, and the abrasion resistance is improved. Specifically, a packaging shell, a first pin and a second pin which are arranged in the packaging shell, and an electrolytic component wound in the packaging shell are arranged; the electrolytic assembly comprises a first aluminum foil connected with the first pins, a second aluminum foil connected with the second pins, and electrolytic paper arranged between the first aluminum foil and the second aluminum foil; the first aluminum foil, the electrolytic paper, the second aluminum foil and the electrolytic paper are sequentially stacked and wound and impregnated with electrolyte; adopt the electrolysis subassembly of the alternating laminated structure in proper order, still be aluminium electrolysis structure, can reduce impedance in use, bear resistant ripple current and obtain improving, can effectively promote the life of condenser.
Wherein, the encapsulation casing is provided with the throat, the throat is packaged with the sealing member, the encapsulation casing compresses tightly the sealing member in the throat through the riveting, and first pin and second pin all pass the sealing member and extend to the outside, set up the sealed that throat cooperation sealing member is used for the encapsulation casing, play the guard action to inner structure, promote the dustproof and waterproof effect of structure, also preventable electrolyte simultaneously flows, promotes stability.
The necking part comprises a pressing ring and a riveting ring which are molded on the pressing ring, a pressing groove is formed in the sealing element in the circumferential direction, the pressing ring is pressed into the pressing groove, the pressing ring is matched with the pressing ring to play a role in pressing and sealing the sealing element, the pressing and sealing effect is further improved, the protection effect is good, and the structural strength is high.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the aluminum electrolytic capacitor of the present invention;
FIG. 2 is a schematic bottom view of the aluminum electrolytic capacitor of FIG. 1;
FIG. 3 is a schematic sectional view A-A of the aluminum electrolytic capacitor of FIG. 2;
fig. 4 is a schematic view showing the structure of a sealing member of the aluminum electrolytic capacitor of fig. 3.
Description of reference numerals: the electrolytic cell comprises a package shell 100, a necking part 110, a compression ring 111, a compression strip 111a, a buckling ring 112, a sealing element 120, a buckling groove 121, a sealing outer lip 122, a compression groove 123, a sealing inner lip 124, a gasket 130, a first pin 200, a second pin 300, an electrolytic component 400, a first aluminum foil 410, a second aluminum foil 420 and electrolytic paper 430.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, an aluminum electrolytic capacitor based on low impedance includes a package case 100, a first lead 200 and a second lead 300 disposed in the package case 100, and an electrolytic component 400 wound in the package case 100; the electrolytic assembly 400 comprises a first aluminum foil 410 connected with the first pin 200, a second aluminum foil 420 connected with the second pin 300, and electrolytic paper 430 arranged between the first aluminum foil 410 and the second aluminum foil 420; the first aluminum foil 410, the electrolytic paper 430, the second aluminum foil 420, and the electrolytic paper 430 are sequentially stacked and wound, and impregnated with an electrolyte.
The packaging shell 100 is formed by integrally punching the aluminum shell, and the packaging shell 100 formed by integrally punching improves the structural strength, and is good in integrally forming effect and high in abrasion resistance.
The gasket 130 is stamped and formed at one end of the package shell 100 away from the necking part 110, the gasket 130 structure is integrally formed, and the sealing strength and reliability of the structure are enhanced through the gasket 130.
The necking part 110 comprises a pressing ring 111 and a buckling ring 112 formed on the pressing ring 111 in a riveting mode, a buckling groove 121 is formed in the annular direction of the sealing element 120, the buckling ring 112 is pressed into the buckling groove 121, the pressing ring 112 is matched with the pressing ring 111 to play a role in compressing and sealing the sealing element 120, the compressing and sealing effect is further improved, the protection effect is good, and the structural strength is high.
The pressing ring 111 has a plurality of pressing strips 111a in the circumferential direction, pressing and sealing effects can be further improved under the action of the pressing strips 111a, the sealing element 120 is prevented from falling off, and the sealing effect is good.
Referring to fig. 4, the sealing element 120 is formed by integrally molding epoxy resin, and a sealing outer lip 122 is disposed at an outer edge of the snap ring 112, and is integrally molded by epoxy resin, so that the sealing element has high structural strength and high wear resistance, and the sealing outer lip 122 is disposed to ensure sealing strength and effect.
The sealing member 120 is provided with the pressing groove 123 corresponding to the pressing ring 111, is located the sealing inner lip 124 provided on both sides of the pressing groove 123, and the pressing groove 123 is provided to cooperate with the pressing ring 111 for sealing, and the sealing inner lip 124 is also provided at the same time, so that the good connection stability of the sealing effect is further ensured.
In this embodiment, the thickness of the first aluminum foil 410 is 0.1mm to 0.15mm, and the thickness of the second aluminum foil 420 is greater than or equal to the thickness of the first aluminum foil 410, and is preferably 0.12 in general, which has good structural stability and high resistance to wear. The electrolytic paper 430 and the electrolyte together form the cathode of the aluminum electrolytic capacitor and also serve as a separator for separating the two electrode foils, which is also called separator paper.
Compared with the traditional capacitor, the utility model adopts the aluminum electrolytic capacitor structure, so that the impedance can be reduced in use, the ripple current resistance can be improved, and the service life of the capacitor can be effectively prolonged; meanwhile, the sealing element 120 is arranged, so that the sealing effect of the whole structure can be enhanced, the dustproof and waterproof effects of the internal structure are improved under the sealing effect, and the abrasion resistance is improved. Specifically, a package case 100, a first lead 200 and a second lead 300 provided in the package case 100, and an electrolytic module 400 wound in the package case 100 are provided; the electrolytic assembly 400 comprises a first aluminum foil 410 connected with the first pin 200, a second aluminum foil 420 connected with the second pin 300, and electrolytic paper 430 arranged between the first aluminum foil 410 and the second aluminum foil 420; the first aluminum foil 410, the electrolytic paper 430, the second aluminum foil 420 and the electrolytic paper 430 are sequentially stacked and wound and impregnated with electrolyte; adopt the electrolytic component 400 of alternate laminated structure in proper order, still aluminium electrolytic structure, can reduce impedance in use, bear resistant ripple current and obtain improving, can effectively promote the life of condenser.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An aluminum electrolytic capacitor based on low impedance is characterized in that: the electrolytic component comprises a packaging shell, a first pin and a second pin which are arranged in the packaging shell, and an electrolytic component wound in the packaging shell;
the electrolytic assembly comprises a first aluminum foil connected with the first pins, a second aluminum foil connected with the second pins, and electrolytic paper arranged between the first aluminum foil and the second aluminum foil;
the first aluminum foil, the electrolytic paper, the second aluminum foil and the electrolytic paper are sequentially stacked and wound and impregnated with electrolyte;
the packaging shell is provided with a necking part, the necking part is packaged with a sealing element, and the sealing element is tightly pressed on the necking part by riveting;
the first pin and the second pin penetrate through the sealing element and extend to the outside;
the necking part comprises a compression ring and a buckling and pressing ring which is formed on the compression ring in a riveting and pressing mode, the sealing element is annularly provided with a buckling and pressing groove, and the buckling and pressing ring is pressed into the buckling and pressing groove.
2. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: the packaging shell is formed by integrally punching and molding an aluminum shell.
3. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: and a gasket is punched and formed at one end of the packaging shell, which is far away from the necking part.
4. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: and a plurality of pressing strips are uniformly distributed on the pressing ring in the circumferential direction in a pressing mode.
5. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: the sealing element is formed by epoxy resin in an integrated mode, and a sealing outer lip is arranged on the outer edge of the corresponding buckling ring.
6. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: the sealing element is provided with a pressing groove corresponding to the pressing ring, and sealing inner lips are arranged on two sides of the pressing groove.
7. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: the first pin is an anode pin, the first aluminum foil is an anode aluminum foil, and the first pin is connected with the first aluminum foil in a riveting and pressing mode.
8. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: the second pin is a negative electrode pin, the second aluminum foil is a negative electrode aluminum foil, and the second pin is connected with the second aluminum foil in a riveting and pressing mode.
9. The low impedance based aluminum electrolytic capacitor of claim 1 wherein: the thickness of the first aluminum foil is 0.1 mm-0.15 mm.
10. The low impedance based aluminum electrolytic capacitor of claim 9 wherein: the thickness of the second aluminum foil is larger than or equal to that of the first aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636487.XU CN213366408U (en) | 2020-08-07 | 2020-08-07 | Aluminum electrolytic capacitor based on low impedance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636487.XU CN213366408U (en) | 2020-08-07 | 2020-08-07 | Aluminum electrolytic capacitor based on low impedance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213366408U true CN213366408U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021636487.XU Expired - Fee Related CN213366408U (en) | 2020-08-07 | 2020-08-07 | Aluminum electrolytic capacitor based on low impedance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213366408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116168954A (en) * | 2021-11-25 | 2023-05-26 | 至美电器股份有限公司 | Electrolytic capacitor |
-
2020
- 2020-08-07 CN CN202021636487.XU patent/CN213366408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116168954A (en) * | 2021-11-25 | 2023-05-26 | 至美电器股份有限公司 | Electrolytic capacitor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |