CN216054321U - Aluminum electrolytic capacitor with waterproof function - Google Patents
Aluminum electrolytic capacitor with waterproof function Download PDFInfo
- Publication number
- CN216054321U CN216054321U CN202122645848.8U CN202122645848U CN216054321U CN 216054321 U CN216054321 U CN 216054321U CN 202122645848 U CN202122645848 U CN 202122645848U CN 216054321 U CN216054321 U CN 216054321U
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- CN
- China
- Prior art keywords
- wall
- outer cover
- capacitor body
- aluminum electrolytic
- electrolytic capacitor
- 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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- 239000003990 capacitor Substances 0.000 title claims abstract description 69
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003570 air Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
本实用新型公开了一种带防水功能的铝电解电容器，包括电容器本体，所述电容器本体外侧设有外罩；所述电容器本体圆周外壁顶部处固定连接有密封垫圈，所述外罩内壁位于所述密封垫圈处固定连接有密封板，所述电容器本体圆周外壁位于所述密封垫圈下方固定连接有连接套，所述连接套圆周外壁与所述外罩内壁紧密贴合，所述外罩与所述连接套螺纹连接；所述外罩顶部圆周外壁上一体成型有一个挡板，所述挡板下方一体成型有一个侧板，所述挡板和所述侧板与所述外罩的材质相同；本实用新型通过在电容器本体的外侧安装有外罩，安装在外罩上的挡板和侧板可以形成用于储存液态水的水槽，避免小液滴沿着电容器本体外壁流至接线柱处。
The utility model discloses an aluminum electrolytic capacitor with waterproof function, which comprises a capacitor body, an outer cover is arranged on the outer side of the capacitor body; a sealing gasket is fixedly connected to the top of the peripheral outer wall of the capacitor body, and the inner wall of the outer cover is located on the sealing surface. A sealing plate is fixedly connected to the gasket, a connecting sleeve is fixedly connected to the circumferential outer wall of the capacitor body under the sealing gasket, the circumferential outer wall of the connecting sleeve is tightly fitted with the inner wall of the outer cover, and the outer cover is threaded with the connecting sleeve connection; a baffle is integrally formed on the peripheral outer wall of the top of the cover, and a side plate is integrally formed under the baffle, and the baffle and the side plate are of the same material as the cover; An outer cover is installed on the outer side of the capacitor body, and the baffle plate and side plate installed on the outer cover can form a water tank for storing liquid water, so as to prevent small droplets from flowing along the outer wall of the capacitor body to the terminal.
Description
Technical Field
The utility model relates to the technical field of capacitors, in particular to an aluminum electrolytic capacitor with a waterproof function.
Background
The aluminum electrolytic capacitor is made up by using aluminium cylinder as negative electrode, in which the liquid electrolyte is filled, and inserting a bent aluminium strip as positive electrode. While the aluminum electrolytic capacitor is steadily increased in the field of traditional consumer electronics, the application field of the aluminum electrolytic capacitor is expanded in various emerging fields such as energy-saving lamps, frequency converters, new energy sources and the like along with structure transformation and technical progress; the aluminum electrolytic capacitor is connected to a circuit board for use, the ambient temperature of long-term work is higher, therefore, hot air around the aluminum electrolytic capacitor can be liquefied on the surface of the capacitor, liquid drops formed by liquefaction can influence or damage the capacitor, and the aluminum electrolytic capacitor in the prior art is not provided with a waterproof structure, so that the service life of the aluminum electrolytic capacitor can be reduced. In view of this, we propose an aluminum electrolytic capacitor with waterproof function.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects, the utility model provides an aluminum electrolytic capacitor with a waterproof function.
The technical scheme of the utility model is as follows:
an aluminum electrolytic capacitor with a waterproof function comprises a capacitor body, wherein an outer cover is arranged on the outer side of the capacitor body; a sealing gasket is fixedly connected to the top of the circumferential outer wall of the capacitor body, a sealing plate is fixedly connected to the position, located at the sealing gasket, of the inner wall of the outer cover, a connecting sleeve is fixedly connected to the position, located below the sealing gasket, of the circumferential outer wall of the capacitor body, the circumferential outer wall of the connecting sleeve is tightly attached to the inner wall of the outer cover, and the outer cover is in threaded connection with the connecting sleeve; a baffle is integrally formed on the outer wall of the circumference of the top of the outer cover, a side plate is integrally formed below the baffle, and the baffle and the side plate are made of the same material as the outer cover.
Preferably, two binding posts are mounted on the top of the capacitor body.
As a preferable technical scheme, the buffer layer, the heat conduction layer and the hydrophobic layer are respectively bonded and fixed on the circumferential outer wall of the outer cover from inside to outside.
Preferably, the housing is made of aluminum and has a thickness of between 2 and 4 mm.
As a preferable technical scheme, the buffer layer is made of stainless steel and has the thickness of 0.5-0.8 mm.
Preferably, the heat conducting layer is made of copper and has a thickness of 0.5-0.8 mm.
As a preferable technical scheme, the hydrophobic layer is sprayed fluorocarbon coating, and the thickness of the hydrophobic layer is 0.2-0.4 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the outer cover is arranged on the outer side of the capacitor body, and the baffle and the side plate arranged on the outer cover can form a water tank for storing liquid water, so that small liquid drops are prevented from flowing to the wiring terminal along the outer wall of the capacitor body.
2. The sealing gasket and the sealing plate are mutually extruded, so that the sealing performance is good, the hot air can be prevented from contacting with the outer wall of the capacitor body, and the hot air can not be directly liquefied on the outer wall of the capacitor body.
3. According to the utility model, the buffer layer and the heat conduction layer are arranged on the outer side of the outer cover, so that the hardness of the outer cover can be enhanced, and simultaneously, the heat generated by the capacitor body can be quickly led out, the temperature of the outer wall of the outer cover is close to that of the ambient air, the probability of liquefaction of hot air on the surface of the outer cover is further reduced, and meanwhile, the capacitor body can be prevented from being attached to the outer wall of the outer cover by spraying the hydrophobic layer on the outer wall of the hydrophobic layer, so that small liquid drops can quickly fall on the baffle.
Drawings
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is a bottom view of the overall structure of the present invention;
FIG. 5 is a schematic view of the structure of the sealing gasket and the sealing plate of the present invention;
fig. 6 is a schematic cross-sectional view of the housing according to the present invention.
The meaning of the individual reference symbols in the figures is:
a capacitor body 1; a terminal 10; a housing 2; a baffle 20; a side plate 21; a sealing gasket 3; a sealing plate 4; a connecting sleeve 5; a buffer layer 6; a heat conducting layer 7; a hydrophobic layer 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
an aluminum electrolytic capacitor with a waterproof function comprises a capacitor body 1, wherein an outer cover 2 is arranged on the outer side of the capacitor body 1; a sealing gasket 3 is fixedly connected to the top of the circumferential outer wall of the capacitor body 1, a sealing plate 4 is fixedly connected to the inner wall of the outer cover 2 at the sealing gasket 3, a connecting sleeve 5 is fixedly connected to the circumferential outer wall of the capacitor body 1 below the sealing gasket 3, the circumferential outer wall of the connecting sleeve 5 is tightly attached to the inner wall of the outer cover 2, and the outer cover 2 is in threaded connection with the connecting sleeve 5; a baffle 20 is integrally formed on the circumferential outer wall of the top of the outer cover 2, a side plate 21 is integrally formed below the baffle 20, and the baffle 20 and the side plate 21 are made of the same material as the outer cover 2.
It should be noted that, the aluminum electrolytic capacitor is mostly connected to a circuit board for use, and the ambient temperature of long-term operation is high, so the hot air around the aluminum electrolytic capacitor can be liquefied on the surface of the capacitor, and the small liquid drops formed by liquefaction can affect or damage the capacitor, in this embodiment, because the outer side of the capacitor body 1 is provided with the outer cover 2, and the baffle 20 and the side plate 21 are arranged on the outer cover 2, the baffle 20 and the side plate 21 can form a water tank for storing liquid water, so as to prevent the small liquid drops from flowing to the terminal 10 along the outer wall of the capacitor body 1; meanwhile, the sealing washer 3 and the sealing plate 4 are mutually extruded, so that the sealing performance is good, and the hot air can be prevented from contacting with the outer wall of the capacitor body 1; the setting of dustcoat 2 outside can strengthen its hardness and buffer layer 6 that can heat conduction and heat-conducting layer 7 that can quick heat conduction, can derive the heat that capacitor body 1 produced fast, can make the temperature of dustcoat 2 outer wall be close with the temperature of surrounding air like this, and then reduced the probability of hot-air at the liquefaction of dustcoat 2 surface, can avoid capacitor body 1 to adhere to on dustcoat 2 outer wall at 8 outer wall spraying hydrophobic layer 8 of hydrophobic layer simultaneously, make the droplet can be quick fall on baffle 20.
Preferably, two posts 10 are mounted on the top of the capacitor body 1.
Preferably, the buffer layer 6, the heat conducting layer 7 and the hydrophobic layer 8 are respectively bonded and fixed on the circumferential outer wall of the outer cover 2 from inside to outside.
Preferably, the housing 2 is made of aluminium and has a thickness of between 2 and 4 mm.
It should be noted that the outer cover 2 made of aluminum has good thermal conductivity, aluminum has good plasticity, and the processing is simple, and meanwhile, the surface of the simple aluminum is oxidized in the air to form an aluminum oxide protective film, so that the stability of the outer cover 2 is enhanced.
In the present embodiment, the buffer layer 6 is preferably made of stainless steel and has a thickness of 0.5-0.8 mm.
The buffer layer 6 made of stainless steel can increase the hardness of the cover 2, and further protect the capacitor body 1.
Preferably, the heat conducting layer 7 is made of copper and has a thickness of between 0.5 and 0.8 mm.
It should be noted that copper has good thermal conductivity and fast thermal conductivity.
Preferably, the hydrophobic layer 8 is a sprayed fluorocarbon coating with a thickness of 0.2-0.4 mm.
It is noted that fluorocarbon coatings are good hydrophobic coatings and are weatherable for long periods of time at elevated temperatures.
It is supplementary to need, the in-process that dustcoat 2 continuously twisted on adapter sleeve 5, closing plate 4 can contact with seal ring 3 to extrude seal ring 3, make its closing plate 4 inner wall and seal ring 3 in close contact with, provide good leakproofness, seal ring 3 in this embodiment closes closing plate 4 and is soft rubber material.
When the aluminum electrolytic capacitor with the waterproof function is used, firstly, the outer cover 2 is arranged on the outer side of the capacitor body 1, and the baffle 20 and the side plate 21 which are arranged on the outer cover 2 can form a water tank for storing liquid water, so that small liquid drops are prevented from flowing to the wiring terminal 10 along the outer wall of the capacitor body 1; seal ring 3 and closing plate 4 extrude each other simultaneously, the leakproofness is good, thereby can avoid hot-air and the contact of 1 outer wall of capacitor body, buffer layer 6 and heat-conducting layer 7 that the dustcoat 2 outside set up simultaneously, derive the heat that capacitor body 1 produced fast, make the temperature of 2 outer walls of dustcoat be close with the temperature of air on every side, and then reduced the probability of hot-air at 2 surface liquefaction of dustcoat, 8 outer wall spraying hydrophobic layer 8 in hydrophobic layer can avoid capacitor body 1 to adhere to on 2 outer walls of dustcoat simultaneously, make the droplet can be quick fall on baffle 20.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122645848.8U CN216054321U (en) | 2021-11-01 | 2021-11-01 | Aluminum electrolytic capacitor with waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122645848.8U CN216054321U (en) | 2021-11-01 | 2021-11-01 | Aluminum electrolytic capacitor with waterproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054321U true CN216054321U (en) | 2022-03-15 |
Family
ID=80550488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122645848.8U Active CN216054321U (en) | 2021-11-01 | 2021-11-01 | Aluminum electrolytic capacitor with waterproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054321U (en) |
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2021
- 2021-11-01 CN CN202122645848.8U patent/CN216054321U/en active Active
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