CN210778276U - Ultra-thin aluminum electrolytic capacitor - Google Patents
Ultra-thin aluminum electrolytic capacitor Download PDFInfo
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- CN210778276U CN210778276U CN201920243867.8U CN201920243867U CN210778276U CN 210778276 U CN210778276 U CN 210778276U CN 201920243867 U CN201920243867 U CN 201920243867U CN 210778276 U CN210778276 U CN 210778276U
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Abstract
The utility model provides an ultra-thin aluminum electrolytic capacitor, which comprises a capacitor body, wherein a core cladding containing electrolyte or conductive high polymer is arranged in the capacitor body, and a sealing rubber cover is arranged above the capacitor body and is connected with the capacitor body in a sealing way; the sealing rubber cover is composed of a plate and a rubber body, the plate is arranged in the middle of the bottom of the rubber body, and the periphery of the plate is completely coated by the rubber body. The aluminum electrolytic capacitor provided by the utility model overcomes the defects of the prior art, and obtains the thinner characteristic when realizing larger diameter. The ultrathin aluminum electrolytic capacitor has simple structure and reliable performance and is suitable for wide popularization and use.
Description
Technical Field
The utility model relates to an ultra-thin type aluminum electrolytic capacitor belongs to aluminum electrolytic capacitor technical field.
Background
As shown in fig. 1, a conventional aluminum electrolytic capacitor includes a capacitor body 1, a core package 2 containing electrolyte or conductive polymer is disposed in the capacitor body 1, and a sealing rubber plug is used to encapsulate the capacitor body 1. The sealing rubber plug is a cylinder and consists of a rubber body 3 and a round plate 4 arranged on the upper surface of the rubber body 3. Two round through holes are formed in the upper round surface and the lower round surface of the sealing rubber plug, when the sealing rubber plug is actually used for an aluminum electrolytic capacitor, the lead wires of the anode guide pin 5 and the cathode guide pin 6 of the aluminum electrolytic capacitor penetrate through the two round through holes, and then the sealing rubber plug, the aluminum stems of the anode guide pin and the cathode guide pin and the aluminum shell of the capacitor body 1 are closely attached and fastened in a sealing waist restraining mode, so that the sealing effect is realized.
The traditional rubber stopper has a problem that the rubber stopper cannot realize the sealing effect when the thickness of the rubber stopper is smaller and the round area of the rubber stopper is larger, and the rubber stopper bulges and deforms easily in the actual production. Therefore, the diameter and height of the aluminum electrolytic capacitor are limited, and accordingly, the electrostatic capacity and the operating voltage which can be realized by the aluminum electrolytic capacitor are also limited.
The upper and lower terminals of the cover plate used by the traditional ox horn type aluminum electrolytic capacitor and the bolt type aluminum electrolytic capacitor are both at a height of more than 3mm, so that huge waste of space exists. The diameter and height of the aluminum electrolytic capacitor are also limited, and accordingly, the electrostatic capacity and the working voltage which can be realized by the aluminum electrolytic capacitor are also limited.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to obtain a thinner aluminum electrolytic capacitor while obtaining a larger diameter.
In order to solve the technical problem, the technical scheme of the utility model is to provide an ultra-thin type aluminum electrolytic capacitor, its characterized in that: the capacitor comprises a capacitor body, wherein a core cladding containing electrolyte or conductive high polymer is arranged in the capacitor body, and a sealing rubber cover is arranged above the capacitor body and is in sealing connection with the capacitor body;
the sealing rubber cover is composed of a plate and a rubber body, the plate is arranged in the middle of the top and/or the bottom of the rubber body, and the side face of the plate is completely coated by the rubber body.
Preferably, the rubber body is cylindrical, the plate is circular, square, cross-shaped, X-shaped, # -shaped or m-shaped, and the size of the plate is smaller than that of the rubber body.
Preferably, the board is a composite of one or more of phenolic resin, metal and bakelite board.
Preferably, the plate is hollowed into a shape similar to a Chinese character jing, an X shape, a cross shape and the like.
Preferably, the rubber body is a mixture of rubber and its filler.
Preferably, the sealing rubber cover is axially provided with two through holes for the positive guide pin and the negative guide pin of the aluminum electrolytic capacitor to pass through.
More preferably, the through-hole is circular.
Preferably, the diameter of the ultra-thin aluminum electrolytic capacitor is 16 mm-50 mm.
Preferably, the height of the ultra-thin aluminum electrolytic capacitor is 8.5 mm-9.5 mm.
The middle part of the rubber body is provided with a beam waist which enables the sealing rubber cover, the aluminum stems of the anode and cathode guide pins and the capacitor body to be closely attached and fastened.
The aluminum electrolytic capacitor provided by the utility model overcomes the defects of the prior art, and obtains the thinner characteristic when realizing larger diameter. The ultrathin aluminum electrolytic capacitor has simple structure and reliable performance and is suitable for wide popularization and use.
Drawings
FIG. 1 is a schematic diagram of a conventional aluminum electrolytic capacitor;
FIG. 2 is a schematic structural diagram of the ultra-thin aluminum electrolytic capacitor provided in embodiment 1;
fig. 3 is a schematic structural diagram of the ultra-thin aluminum electrolytic capacitor provided in embodiment 2.
Detailed Description
Example 1
Fig. 2 is a schematic structural diagram of the ultra-thin aluminum electrolytic capacitor provided in this embodiment, and the ultra-thin aluminum electrolytic capacitor is composed of a sealing rubber cover, a core package 2 containing an electrolyte or a conductive high polymer, and a capacitor body 1. The capacitor body 1 is internally provided with a core cladding 2 containing electrolyte or conductive high polymer, and the sealing rubber cover is positioned above the capacitor body 1 and is hermetically connected with the capacitor body 1.
The sealing rubber cover belongs to a high-strength thin rubber cover and is of a cylindrical structure as a whole. The sealing rubber cover is composed of two parts, wherein one part is a high-hardness circular plate 4, the other part is a rubber body 3, the circular plate 4 is located in the middle of the circular surface at the bottom of the rubber body 3, and the side surface of the circular plate 4 is completely coated by rubber to realize the tight connection of the two parts.
The diameter of the high-hardness round plate 4 is slightly smaller than that of the round surface of the rubber body 3, and the high-hardness round plate can be made of one or a plurality of phenolic resin, various metals and bakelite plates.
The rubber body 3 may be a mixture of rubber and its filler.
The sealing rubber cover is axially provided with two circular through holes which penetrate through the sealing rubber cover, when the sealing rubber cover is actually used for an aluminum electrolytic capacitor, the anode guide pin 5 and the cathode guide pin 6 of the aluminum electrolytic capacitor penetrate through the two circular through holes, and then the sealing rubber cover, the aluminum stems of the anode guide pin and the cathode guide pin and the aluminum shell are tightly attached and fastened in a sealing waist restraining mode, so that the sealing effect is realized.
The distance between the two circular through holes is different according to different requirements of the pin distance of the capacitor, and the diameter of the two circular through holes is different according to different requirements of the capacitor.
The ultra-thin aluminum electrolytic capacitor provided by the embodiment uses the ultra-thin sealing rubber cover, so that the ultra-thin aluminum electrolytic capacitor realizes the thinning with larger diameter, and the size ranges of the ultra-thin liquid electrolytic capacitor and the ultra-thin solid polymer electrolytic capacitor which can be realized at present are as follows: phi 16 mm-50 mm, the height of the capacitor is about 9mm, and no liquid or solid high-molecular aluminum electrolytic capacitor product with the same level exists in the current market.
Example 2
Fig. 3 is a schematic structural diagram of an ultra-thin aluminum electrolytic capacitor provided in this embodiment, the ultra-thin aluminum electrolytic capacitor is basically the same as that in embodiment 1, and the difference is only that: the round plate 4 is arranged in the middle of the top round surface of the rubber body 3, and the side surface of the round plate 4 is completely covered by rubber, so that the two parts are tightly connected.
The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the method of the present invention, and such modifications and additions are also considered to be within the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.
Claims (7)
1. An ultra-thin aluminum electrolytic capacitor is characterized in that: the capacitor comprises a capacitor body (1), wherein a core cladding (2) containing electrolyte or conductive high polymer is arranged in the capacitor body (1), and a sealing rubber cover is arranged above the capacitor body (1) and is in sealing connection with the capacitor body (1);
the sealing rubber cover is composed of a plate (4) and a rubber body (3), the plate (4) is arranged in the middle of the top and/or the bottom of the rubber body (3), and the side face of the plate (4) is completely coated by the rubber body (3).
2. The ultra-thin type aluminum electrolytic capacitor of claim 1, wherein: rubber body (3) are cylindrical, panel (4) are including circular, square, cross, X font, groined type, rice font, just the size of panel (4) is less than the size of rubber body (3).
3. The ultra-thin type aluminum electrolytic capacitor of claim 1, wherein: the sealing rubber cover is axially provided with two through holes for the positive guide pin (5) and the negative guide pin (6) of the aluminum electrolytic capacitor to pass through.
4. The ultra-thin type aluminum electrolytic capacitor of claim 3, wherein: the through hole is circular.
5. The ultra-thin type aluminum electrolytic capacitor of claim 1, wherein: the diameter of the ultra-thin aluminum electrolytic capacitor is 16 mm-50 mm.
6. The ultra-thin type aluminum electrolytic capacitor of claim 1, wherein: the height of the ultra-thin aluminum electrolytic capacitor is 8.5 mm-9.5 mm.
7. The ultra-thin type aluminum electrolytic capacitor of claim 1, wherein: the middle part of the rubber body (3) is provided with a beam waist which enables the sealing rubber cover, the aluminum stems of the anode and cathode guide pins and the capacitor body (1) to be closely attached and fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243867.8U CN210778276U (en) | 2019-02-26 | 2019-02-26 | Ultra-thin aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243867.8U CN210778276U (en) | 2019-02-26 | 2019-02-26 | Ultra-thin aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210778276U true CN210778276U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920243867.8U Active CN210778276U (en) | 2019-02-26 | 2019-02-26 | Ultra-thin aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210778276U (en) |
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2019
- 2019-02-26 CN CN201920243867.8U patent/CN210778276U/en active Active
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