CN219873175U - Aluminum electrolytic capacitor with novel packaging structure - Google Patents
Aluminum electrolytic capacitor with novel packaging structure Download PDFInfo
- Publication number
- CN219873175U CN219873175U CN202321248768.1U CN202321248768U CN219873175U CN 219873175 U CN219873175 U CN 219873175U CN 202321248768 U CN202321248768 U CN 202321248768U CN 219873175 U CN219873175 U CN 219873175U
- Authority
- CN
- China
- Prior art keywords
- aluminum
- sealing
- sealing cover
- shell
- annular
- 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.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 86
- 239000003990 capacitor Substances 0.000 title claims abstract description 23
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 16
- 239000011888 foil Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 5
- 210000004907 gland Anatomy 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses an aluminum electrolytic capacitor with a novel packaging structure, which comprises an aluminum shell, wherein the top of the aluminum shell is in unsealed arrangement, foil guiding paper is arranged in an inner cavity of the aluminum shell, two pins are fixedly connected to the top end of the foil guiding paper, a sealing cover is arranged at the top of the aluminum shell, two through holes are symmetrically formed in the top surface of the sealing cover, the pins penetrate through the through holes, connecting components are arranged on the pins, sealing components are arranged on the side walls of the sealing cover, the connecting components comprise gaskets, the gaskets are sleeved on the pins, compression nuts are connected to the side walls of the pins on the upper sides of the gaskets in a threaded manner, and locking nuts are connected to the side walls of the pins close to the top end in a threaded manner.
Description
Technical Field
The utility model relates to the field of aluminum electrolytic containers, in particular to an aluminum electrolytic capacitor with a novel packaging structure.
Background
The aluminum electrolytic capacitor has the function that a layer of oxide film is formed on the positive plate as a medium. The aluminum electrolytic capacitor is made of an aluminum cylinder as a negative electrode, a liquid electrolyte is filled in the aluminum cylinder, and a bent aluminum belt is inserted into the aluminum cylinder as a positive electrode. The DC voltage processing is also needed, and the DC voltage processing is characterized by large capacity, large leakage current, large error and poor stability, is commonly used as an AC bypass and filtering, and is also used for signal coupling when the requirement is not high.
The traditional peripheral packaging mode of the aluminum electrolytic capacitor is generally welding, impregnation, assembly and the like, and the effect of high-efficiency production can be achieved, but the sealing performance of the aluminum electrolytic capacitor is generally poor, when high current or high temperature passes through the inside of the aluminum electrolytic capacitor, part of the high temperature inside the capacitor does not reach a specified peak value, electrolyte inside the capacitor can be sprayed out from an aluminum shell and a rubber layer, and the circuit system can be affected seriously.
Disclosure of Invention
The utility model aims to provide an aluminum electrolytic capacitor with a novel packaging structure, so that the problem that electrolyte is easily sprayed out can be solved by arranging a multi-layer sealing structure between an aluminum shell and a sealing cover in the scheme provided by the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an aluminium electrolytic capacitor with novel packaging structure, includes the aluminum hull, aluminum hull top is for unsealing the setting, the aluminum hull inner chamber is provided with leads paper, lead paper top fixedly connected with two pins, the aluminum hull top is provided with sealed lid, two through-holes have been seted up to sealed lid top surface symmetry, the pin runs through the through-hole, all be provided with coupling assembling on the pin, sealed lid lateral wall is provided with seal assembly.
Preferably, the connecting assembly comprises a gasket, the gasket is sleeved on the pin, the side wall of the pin is positioned on the upper side of the gasket and is in threaded connection with a compression nut, and the side wall of the pin is close to the top end and is in threaded connection with a locking nut.
Preferably, the sealing assembly comprises an annular plate, the annular plate is in threaded connection with a sealing cover, a plurality of aluminum sheets are fixedly connected to the top end face of the aluminum shell, the aluminum sheets are distributed in an annular array, annular grooves matched with the aluminum sheets are formed in the side walls of the sealing cover, an annular sealing block is fixedly connected to the bottom face of the annular plate, an annular sealing groove is formed in the top end face of the aluminum shell, and the annular sealing block abuts against the annular sealing groove.
Preferably, the bottom surface of the aluminum shell is provided with a cross groove.
Preferably, the top surface of the sealing cover is provided with a circular groove at the through hole, and the end surface of the compression nut is flush with the sealing cover.
Preferably, the side wall of the sealing cover is fixedly connected with a sealing ring, and the side wall of one side of the sealing ring, which is close to the aluminum shell, is obliquely arranged.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the technical scheme, through mutual matching among the aluminum shell, the sealing cover, the sealing assembly and the like, a multi-layer sealing structure is arranged between the aluminum shell and the sealing cover, and sealing is carried out in different forms, so that the phenomenon that electrolyte in the aluminum shell cannot be easily sprayed out is effectively ensured, the sealing effect of the capacitor is improved, and the service life of the capacitor is prolonged;
(2) This technical scheme can be convenient for with the pin direct fixation at sealed covering through the cooperation between sealed lid and the coupling assembling etc. utilize gasket and gland nut can play fixed effect, can also reach sealed effect, can also carry out spacing fixed to outside wire simultaneously.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view showing the distribution structure of aluminum sheets in the present utility model;
FIG. 4 is a schematic view of the bottom structure of the present utility model;
FIG. 5 is an enlarged view of the utility model at A in FIG. 2;
fig. 6 is an enlarged view of the utility model at B in fig. 2.
In the figure: 1. an aluminum shell; 2. foil guiding paper; 3. sealing cover; 4. pins; 5. a through hole; 6. a gasket; 7. a compression nut; 8. a lock nut; 9. an annular plate; 10. an aluminum sheet; 11. an annular groove; 12. an annular sealing block; 13. an annular seal groove; 14. a seal ring; 15. a circular groove; 16. cross grooves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, the present utility model provides a technical solution: the utility model provides an aluminium electrolytic capacitor with novel packaging structure, including aluminium shell 1, aluminium shell 1 top is unsealed and sets up, aluminium shell 1 inner chamber is provided with leads paper tinsel 2, lead paper tinsel 2 top fixedly connected with two pins 4, aluminium shell 1 top is provided with sealed lid 3, sealed lid 3 lateral wall fixedly connected with sealing washer 14, sealing washer 14 is close to aluminium shell 1 one side lateral wall and sets up for the slope, sealing washer 14 adopts the rubber material, certain toughness has, when sealed lid 3 drives sealing washer 14 extrusion entering aluminium shell 1 in, sealing washer 14 utilizes the tensile force of rubber can hug closely aluminium shell 1 inner wall, two through-holes 5 have been seted up to sealed lid 3 top surface symmetry, pin 4 runs through-hole 5, all be provided with coupling assembling on the pin 4, sealed lid 3 lateral wall is provided with seal assembly, cross groove 16 has been seted up to aluminium shell 1 bottom surface, the position of cross groove 16 is the comparatively weak place of aluminium shell 1, when the condenser temperature reaches the peak value, internal pressure can prop open aluminium shell 1 from cross groove 16, the top blowout reduces the influence to the circuit board.
Referring to fig. 2 and 5, the coupling assembling includes gasket 6, and gasket 6 cover is established on pin 4, and pin 4 lateral wall is located gasket 6 upside threaded connection and has gland nut 7, and pin 4 lateral wall is close to equal threaded connection in top department and has lock nut 8, and sealed lid 3 top surface is located 5 departments of through-hole and has seted up circular slot 15, gland nut 7 terminal surface and sealed lid 3 parallel and level, makes things convenient for outside wire winding to be connected on pin 4, rotates lock nut 8 simultaneously and can compress tightly the wire on pin 4.
Through mutually supporting between sealed lid 3 and the coupling assembling etc. can be convenient for directly fix pin 4 on sealed lid 3, utilize gasket 6 and gland nut 7 can play fixed effect, can also reach sealed effect, can also carry out spacing fixed to outside wire simultaneously.
Referring to fig. 2 and 6, the sealing component comprises an annular plate 9, the annular plate 9 is in threaded connection with a sealing cover 3, a plurality of aluminum sheets 10 are fixedly connected to the top end face of an aluminum shell 1, the aluminum sheets 10 are distributed in an annular array, the inner wall of the annular plate 9 is close to the lower side and is obliquely arranged, the inclination angle is consistent with the angle of the aluminum sheets 10, the aluminum sheets 10 are conveniently and tightly pressed in annular grooves 11, annular grooves 11 matched with the aluminum sheets 10 are formed in the side walls of the sealing cover 3, annular sealing blocks 12 are fixedly connected to the bottom face of the annular plate 9, annular sealing grooves 13 are formed in the top end face of the aluminum shell 1, and the annular sealing blocks 12 are propped against the annular sealing grooves 13.
Through mutually supporting between aluminum hull 1, sealed lid 3 and seal assembly etc. set up multilayer seal structure between aluminum hull 1 and sealed lid 3, and seal with different forms, effectively ensure that aluminum hull 1 inside electrolyte can not the phenomenon of blowout easily, and then promote the sealed effect of condenser, prolong its life.
Working principle: when the foil guiding paper 2 and the pins 4 are packaged in the aluminum shell 1, the foil guiding paper 2 is firstly placed in the aluminum shell 1, then the sealing cover 3 is covered on the top of the aluminum shell 1, meanwhile, the pins 4 penetrate through the through holes 5, the gaskets 6 are sleeved on the pins 4, the gaskets 6 are fixed by screwing the compression nuts 7, meanwhile, the through holes 5 are sealed, then the annular plate 9 is rotated, the annular plate 9 moves downwards, the aluminum sheet 10 is pressed into the annular groove 11 by utilizing the inclined surface of the inner wall of the annular plate 9 to press the aluminum sheet 10 downwards, when the aluminum sheet 10 is tightly attached to the side wall of the annular groove 11, the annular sealing block 12 is tightly abutted to the bottom of the annular sealing groove 13, and the sealing ring 14 is tightly attached to the inner wall of the aluminum shell 1, so that the phenomenon that electrolyte in the aluminum shell 1 cannot be easily sprayed out is effectively ensured, and the sealing effect of the capacitor is further improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 an aluminium electrolytic capacitor with novel packaging structure, includes aluminium shell (1), aluminium shell (1) top is for not sealing the setting, aluminium shell (1) inner chamber is provided with leads paper (2), lead two pins (4) of paper (2) top fixedly connected with, its characterized in that: the aluminum shell is characterized in that a sealing cover (3) is arranged at the top of the aluminum shell (1), two through holes (5) are symmetrically formed in the top surface of the sealing cover (3), pins (4) penetrate through the through holes (5), connecting components are arranged on the pins (4), and sealing components are arranged on the side walls of the sealing cover (3).
2. The aluminum electrolytic capacitor with novel package structure according to claim 1, wherein: the connecting assembly comprises a gasket (6), the gasket (6) is sleeved on the pin (4), the side wall of the pin (4) is located on the upper side of the gasket (6) and is in threaded connection with a compression nut (7), and the side wall of the pin (4) is close to the top end and is in threaded connection with a locking nut (8).
3. The aluminum electrolytic capacitor with novel package structure according to claim 1, wherein: the sealing assembly comprises an annular plate (9), the annular plate (9) is in threaded connection with a sealing cover (3), a plurality of aluminum sheets (10) are fixedly connected to the top end face of an aluminum shell (1), the aluminum sheets (10) are distributed in an annular array, annular grooves (11) matched with the aluminum sheets (10) are formed in the side walls of the sealing cover (3), annular sealing blocks (12) are fixedly connected to the bottom surface of the annular plate (9), annular sealing grooves (13) are formed in the top end face of the aluminum shell (1), and the annular sealing blocks (12) are propped against the annular sealing grooves (13).
4. The aluminum electrolytic capacitor with novel package structure according to claim 1, wherein: the bottom surface of the aluminum shell (1) is provided with a cross groove (16).
5. An aluminum electrolytic capacitor having a novel package structure as claimed in claim 2, wherein: the top surface of the sealing cover (3) is provided with a circular groove (15) at the through hole (5), and the end surface of the compression nut (7) is flush with the sealing cover (3).
6. The aluminum electrolytic capacitor with novel package structure according to claim 1, wherein: the side wall of the sealing cover (3) is fixedly connected with a sealing ring (14), and the side wall of the sealing ring (14) close to one side of the aluminum shell (1) is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321248768.1U CN219873175U (en) | 2023-05-23 | 2023-05-23 | Aluminum electrolytic capacitor with novel packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321248768.1U CN219873175U (en) | 2023-05-23 | 2023-05-23 | Aluminum electrolytic capacitor with novel packaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873175U true CN219873175U (en) | 2023-10-20 |
Family
ID=88346766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321248768.1U Active CN219873175U (en) | 2023-05-23 | 2023-05-23 | Aluminum electrolytic capacitor with novel packaging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873175U (en) |
-
2023
- 2023-05-23 CN CN202321248768.1U patent/CN219873175U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |