CN212783096U - Anti-seismic shell of aluminum electrolytic capacitor - Google Patents
Anti-seismic shell of aluminum electrolytic capacitor Download PDFInfo
- Publication number
- CN212783096U CN212783096U CN202021260245.5U CN202021260245U CN212783096U CN 212783096 U CN212783096 U CN 212783096U CN 202021260245 U CN202021260245 U CN 202021260245U CN 212783096 U CN212783096 U CN 212783096U
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- Prior art keywords
- sealing
- cover
- electrolytic capacitor
- cover plate
- aluminum electrolytic
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- 239000003990 capacitor Substances 0.000 title claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 98
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000004411 aluminium Substances 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 abstract description 17
- 230000006378 damage Effects 0.000 abstract description 7
- 238000005868 electrolysis reaction Methods 0.000 abstract description 7
- 230000035939 shock Effects 0.000 abstract description 7
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 208000028173 post-traumatic stress disease Diseases 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 150000001398 aluminium Chemical class 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides an aluminium electrolytic capacitor's antidetonation shell belongs to aluminium electrolytic capacitor technical field, and this aluminium electrolytic capacitor's antidetonation shell includes the shell main part. The shell main body comprises a first cover plate, a first sleeve, an expansion joint, a second cover plate, a first sealing cover, a first sealing plug, a second sealing plug and a buffer sleeve. Injecting into electrolyte from annotating the liquid mouth, make electrolyte abundant and electric capacity components and parts soak, gaseous through the gas vent discharge in the electrolysis cavity, it remains to reduce the air in the encapsulation, reduce the corruption of cavitation erosion to the shell, increase electric capacity shell shock resistance, reduce the damage and the leakage in the use, the second apron is bent and is formed the circular arc transition, further extrude first closing cap upper end, reduce the first closing cap removal that vibrations caused, reduce the leakage of electrolyte, the buffer tube laminating is on the shell surface, reduce the destruction of collision to electric capacity, want than traditional aluminum electrolytic capacitor, the electrolysis is more abundant, the shock resistance is stronger.
Description
Technical Field
The utility model relates to an aluminum electrolytic capacitor technical field particularly, relates to an aluminum electrolytic capacitor's antidetonation shell.
Background
The aluminum electrolytic capacitor is made by using an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder and inserting a bent aluminum strip as a positive electrode. And a layer of oxide film is formed on the anode plate as a medium through direct current voltage treatment. Its advantages are high capacity, high leakage, poor stability, and positive and negative polarities.
However, the above scheme still has certain defects, and the inventor finds that, when the aluminum electrolytic capacitor electrolyte is packaged, in order to ensure the sealing property, the rubber packaging cover is directly clamped into the telescopic sleeve, air is not discharged in time, and cavitation corrosion is easily generated in the use process of the aluminum electrolytic capacitor, so that the phenomenon of cave-shaped corrosion damage is generated on the surface of the metal shell in contact with the electrolyte, and the capacitor shell has weakened shock resistance and is easy to damage and leak.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects, the utility model provides an anti-seismic shell of an aluminum electrolytic capacitor, aiming at improving the problem of weak anti-seismic capability of the shell of the aluminum electrolytic capacitor.
The utility model discloses a realize like this:
the utility model provides an anti-seismic shell of an aluminum electrolytic capacitor, which comprises a shell main body.
The shell main body comprises a first cover plate, a first sleeve, an expansion joint, a second cover plate, a first sealing cover, a first sealing plug, a second sealing plug and a buffer sleeve, the first sleeve is vertically fixed on the upper surface of the first cover plate, the expansion joint is vertically fixed on the top of the first sleeve, the second cover plate is fixed on the top of the expansion joint, the circumferential sides of the first sealing cover are clamped on the inner wall surface of the expansion joint, a liquid injection port and an exhaust port are formed in the surface of the first sealing cover, the lower end of the first sealing plug is fixed in the liquid injection port, the upper end of the first sealing plug is attached to one side of the upper surface of the first sealing cover, the lower end of the second sealing plug is fixed in the exhaust port, the upper end of the second sealing plug is attached to the other side of the upper surface of the first sealing cover plate, and the buffer sleeve is fixedly sleeved on the outer surface of the first cover, The expansion joint outer surface and the second cover plate outer surface.
In an embodiment of the present invention, a first pin hole is opened on one side of the first cover surface, and a positive pin is disposed in the first pin hole.
In an embodiment of the present invention, a second pin hole is opened on the other side of the first cover surface, and a negative electrode pin is disposed in the second pin hole.
In an embodiment of the present invention, the inner wall of the expansion joint is provided with a first protrusion, the surface of the first cover is provided with a first groove, and the first protrusion is connected to the first groove.
In an embodiment of the present invention, a first through hole is formed in the center of the second cover plate, and the positive pin and the negative pin are connected to the first through hole.
In an embodiment of the present invention, the first sealing plug includes a first sealing rod and a first sealing cap, the first sealing rod is disposed in the liquid injection port, and a lower surface of the first sealing cap is attached to one side of an upper surface of the first sealing cap.
In an embodiment of the present invention, the second sealing plug includes a second sealing rod and a second sealing cap, the second sealing rod is disposed in the air outlet, and the upper end of the second sealing cap is attached to the other side of the upper surface of the first sealing cap.
In an embodiment of the present invention, the second cover plate and the expansion joint are provided with a limiting arc groove therebetween, and the first sealing cover top is attached to the limiting arc groove.
In an embodiment of the present invention, the outer surface of the buffer sleeve is provided with a wear-resistant layer.
In an embodiment of the present invention, the surface of the buffer sleeve is provided with a character mark.
The utility model has the advantages that: the utility model discloses an antidetonation shell of aluminium electrolytic capacitor who obtains through above-mentioned design, during the use, keep flat first apron bottom, electric capacity components and parts are put into the shell, through expansion joint inner wall arch and first closing cap outer wall recess joint with the electrolysis cavity is sealed, pour into electrolyte into from annotating the liquid mouth, make electrolyte fully soak with electric capacity components and parts, gas passes through the gas vent and discharges in the electrolysis cavity, until electrolyte will leach the gas vent, will annotate liquid mouth and gas vent through first sealing plug and second sealing plug and plug up, reduce the air residue in the encapsulation, reduce the corruption of cavitation erosion to the shell, increase electric capacity shell shock resistance, reduce the damage and the leakage in the use, the second apron is bent and is formed the circular arc transition, further extrude first closing cap upper end, reduce the first closing cap removal that vibrations caused, reduce the leakage of electrolyte, buffer sleeve laminates in the shell surface, the damage of collision to the capacitor is reduced, and compared with the traditional aluminum electrolytic capacitor, the electrolytic capacitor has more sufficient electrolysis and stronger shock resistance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a first perspective three-dimensional structure of an anti-seismic housing of an aluminum electrolytic capacitor according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first sealing cover according to an embodiment of the present invention;
fig. 3 is a schematic view of a second perspective three-dimensional structure of an anti-seismic housing of an aluminum electrolytic capacitor according to an embodiment of the present invention;
fig. 4 is a third perspective three-dimensional structural diagram of the anti-seismic casing of the aluminum electrolytic capacitor according to the embodiment of the present invention.
In the figure: 100-a housing body; 110-a first cover plate; 120-a first sleeve; 130-an expansion joint; 131-a first protrusion; 140-a second cover plate; 141-a first via; 142-a limiting arc groove; 150-a first closure; 151-liquid injection port; 152-an exhaust port; 153-first pin port; 1531 — a positive pin; 154-second pin port; 1541-negative electrode pin; 155-a first groove; 160-first sealing plug; 161-a first sealing rod; 162-a first sealing cap; 170-a second sealing plug; 171-a second sealing rod; 172-a second sealing cap; 180-buffer sleeve.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, 2, 3 and 4, the present invention provides a technical solution: an anti-vibration housing of an aluminum electrolytic capacitor comprises a housing main body 100, wherein the housing main body 100 improves the anti-corrosion and anti-vibration capability of the capacitor by reducing packaging gas, limiting the movement of capacitor components and arranging a buffer layer.
Referring to fig. 1, 2, 3 and 4, the case main body 100 includes a first cover plate 110, a first sleeve 120, an expansion joint 130, a second cover plate 140, a first sealing cover 150, a first sealing plug 160, a second sealing plug 170 and a buffer sleeve 180, the first sleeve 120 is vertically fixed on the upper surface of the first cover plate 110, the first sleeve 120 and the first cover plate 110 are integrally stamped, the expansion joint 130 is vertically fixed on the top of the first sleeve 120, the expansion joint 130 and the first sleeve 120 are integrally stamped, the second cover plate 140 is fixed on the top of the expansion joint 130, a limit arc groove 142 is arranged between the second cover plate 140 and the expansion joint 130, the top of the first cover 150 is attached to the limit arc groove 142, after the electrolytic solution is filled in the capacitor case, the aluminum electrolytic capacitor case is stamped and flanged again to limit the first cover 150 to move by the flanging arc groove 142, thereby preventing the first cover 150 from moving and falling off to cause leakage of the electrolytic solution, in addition, the expansion joint 130 can reduce the capacitor shell cracking caused by thermal expansion and cold contraction, and the shock resistance of the capacitor shell is increased virtually.
Wherein, the inner wall of the expansion joint 130 is provided with a first protrusion 131, the surface of the first sealing cap 150 is provided with a first groove 155, the first protrusion 131 is clamped in the first groove 155, the peripheral side of the first sealing cap 150 is clamped in the inner wall surface of the expansion joint 130, in this embodiment, the first sealing cap 150 is a rubber sealing cap, the sealing to the electrolyte is maintained by the extrusion of the expansion joint 130 to the peripheral side of the first sealing cap 150, the first sealing plug 160 comprises a first sealing rod 161 and a first sealing cap 162, the first sealing rod 161 is arranged in the injection port 151, the lower surface of the first sealing cap 162 is adhered to one side of the upper surface of the first sealing cap 150, the surface of the first sealing cap 150 is provided with an injection port 151 and an exhaust port 152, in this embodiment, the surface of the first sealing cap 150 is provided with a groove, the first sealing cap 162 is installed in the groove, the first sealing rod 161 and the first sealing cap 162 are fixed with the first sealing cap 150 by hot melting, the lower end of the first sealing plug, the upper end of the first sealing plug 160 is attached to one side of the upper surface of the first cover 150.
Wherein, the second sealing plug 170 includes a second sealing rod 171 and a second sealing cap 172, the second sealing rod 171 is disposed in the exhaust port 152, the upper end of the second sealing cap 172 is attached to the other side of the upper surface of the first sealing cap 150, in this embodiment, the surface of the first sealing cap 150 is provided with a groove, the second sealing cap 172 is installed in the groove, the second sealing rod 171 and the second sealing cap 172 are fixed with the first sealing cap 150 through hot melting, the lower end of the second sealing plug 170 is fixed in the exhaust port 152, the upper end of the second sealing plug 170 is attached to the other side of the upper surface of the first sealing cap 150, through the liquid injection port 151 and the exhaust port 152, the electrolyte can be conveniently and fully soaked with the capacitor element, the gas in the electrolyte cavity is reduced, the corrosion of the housing caused by cavitation corrosion is reduced, the shock resistance of the capacitor housing is increased, the buffer sleeve 180 is fixedly sleeved on the outer surface of the first cover plate 110, the outer surface of the first sleeve, the buffer sleeve 180 is an antistatic rubber skin, and has good acid-proof, alkali-proof and chemical flux-proof properties while absorbing shock.
The first lead opening 153 is formed in one side of the surface of the first sealing cover 150, the positive electrode pin 1531 is arranged in the first lead opening 153, the positive electrode pin 1531 is connected with the positive electrode plate through the first lead opening 153, the second lead opening 154 is formed in the other side of the surface of the first sealing cover 150, the negative electrode pin 1541 is arranged in the second lead opening 154, the negative electrode pin 1541 is connected with the negative electrode plate through the second lead opening 154, the first through hole 141 is formed in the center of the second cover plate 140, the positive electrode pin 1531 and the negative electrode pin 1541 penetrate through the first through hole 141, interference on a capacitor pin is reduced, the wear-resistant layer is arranged on the outer surface of the buffer sleeve 180, the wear-resistant layer is made of wear-resistant coating glue prepared from various resins, elastomers and the like and is obtained by natural or heating and curing after being coated on the metal surface, oxidation wear of the buffer sleeve 180 from the outside is reduced, and character marks.
Specifically, the working principle of the anti-seismic shell of the aluminum electrolytic capacitor is as follows: during the use, keep flat first apron 110 bottom, the electric capacity components and parts are put into the shell, it is sealed with the electrolyte cavity through first arch 131 and first recess 155 joint, pour into electrolyte into from annotating liquid mouth 151, make electrolyte fully soak with the electric capacity components and parts, gas discharges through gas vent 152 in the electrolysis cavity, gas vent 152 will leach until electrolyte, will annotate liquid mouth 151 and gas vent 152 and block up through first sealing plug 160 and second sealing plug 170, reduce the cavitation that residual gas produced and to the corruption of shockproof shell, the removal of first closing cap 150 is restricted through spacing arc groove 142, reduce the leakage of electrolyte, reduce the harm of external collision to the electric capacity through buffer sleeve 180, the electrolysis is more abundant, the shock resistance is stronger.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anti-seismic shell of an aluminum electrolytic capacitor is characterized by comprising
The casing main body (100), the casing main body (100) includes a first cover plate (110), a first sleeve (120), an expansion joint (130), a second cover plate (140), a first sealing cover (150), a first sealing plug (160), a second sealing plug (170) and a buffer sleeve (180), the first sleeve (120) is vertically fixed on the upper surface of the first cover plate (110), the expansion joint (130) is vertically fixed on the top of the first sleeve (120), the second cover plate (140) is fixed on the top of the expansion joint (130), the circumferential side of the first sealing cover (150) is clamped on the inner wall surface of the expansion joint (130), a liquid injection port (151) and an air exhaust port (152) are formed in the surface of the first sealing cover (150), the lower end of the first liquid injection port (160) is fixed in the sealing plug (151), the upper end of the first sealing plug (160) is jointed on one side of the upper surface of the first sealing cover plate (150), the lower end of the second sealing plug (170) is fixed in the exhaust port (152), the upper end of the second sealing plug (170) is attached to the other side of the upper surface of the first cover (150), and the buffer sleeve (180) is fixedly sleeved on the outer surface of the first cover plate (110), the outer surface of the first sleeve (120), the outer surface of the expansion joint (130) and the outer surface of the second cover plate (140).
2. The anti-seismic casing of the aluminum electrolytic capacitor as recited in claim 1, wherein a first pin opening (153) is opened on one side of the surface of the first cover (150), and a positive pin (1531) is disposed in the first pin opening (153).
3. The anti-seismic casing of the aluminum electrolytic capacitor according to claim 2, wherein a second pin opening (154) is formed in the other side of the surface of the first cover (150), and a negative pin (1541) is disposed in the second pin opening (154).
4. The anti-seismic casing of the aluminum electrolytic capacitor as recited in claim 1, wherein the inner wall of the expansion joint (130) is provided with a first protrusion (131), the surface of the first cover (150) is provided with a first groove (155), and the first protrusion (131) is clamped in the first groove (155).
5. The anti-seismic casing of the aluminum electrolytic capacitor according to claim 3, wherein the second cover plate (140) has a first through hole (141) formed at the center thereof, and the positive pin (1531) and the negative pin (1541) pass through the first through hole (141).
6. An anti-seismic casing for aluminum electrolytic capacitors as claimed in claim 1, wherein said first sealing plug (160) comprises a first sealing rod (161) and a first sealing cap (162), said first sealing rod (161) is disposed in said injection port (151), and a lower surface of said first sealing cap (162) is attached to one side of an upper surface of said first cover (150).
7. An anti-seismic casing for aluminum electrolytic capacitors as claimed in claim 1, wherein said second sealing plug (170) comprises a second sealing rod (171) and a second sealing cap (172), said second sealing rod (171) is disposed in said exhaust port (152), and the upper end of said second sealing cap (172) is attached to the other side of the upper surface of said first cover (150).
8. An anti-seismic casing for aluminum electrolytic capacitors as claimed in claim 1, wherein a limiting arc groove (142) is disposed between the second cover plate (140) and the expansion joint (130), and the top of the first cover (150) is attached to the limiting arc groove (142).
9. An anti-seismic casing for aluminium electrolytic capacitors according to claim 1 characterized in that the buffer tube (180) is provided with a wear resistant layer on its outer surface.
10. An anti-seismic casing for aluminum electrolytic capacitors as claimed in claim 9 wherein said buffer tubes (180) are provided with lettering on their surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260245.5U CN212783096U (en) | 2020-07-01 | 2020-07-01 | Anti-seismic shell of aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021260245.5U CN212783096U (en) | 2020-07-01 | 2020-07-01 | Anti-seismic shell of aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212783096U true CN212783096U (en) | 2021-03-23 |
Family
ID=75086761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021260245.5U Expired - Fee Related CN212783096U (en) | 2020-07-01 | 2020-07-01 | Anti-seismic shell of aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212783096U (en) |
-
2020
- 2020-07-01 CN CN202021260245.5U patent/CN212783096U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210323 |