CN204029610U - There is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove - Google Patents
There is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove Download PDFInfo
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- CN204029610U CN204029610U CN201420375610.5U CN201420375610U CN204029610U CN 204029610 U CN204029610 U CN 204029610U CN 201420375610 U CN201420375610 U CN 201420375610U CN 204029610 U CN204029610 U CN 204029610U
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Abstract
The utility model relates to the Electrolytic capacitor explosion-proof aluminum shell with M shape anti-explosion groove.The explosion-proof aluminum shell that object is to provide should can not produce chip by aluminum hull when container quick-fried slurry, and structure is simple, easily easy to make.Technical scheme is: the Electrolytic capacitor explosion-proof aluminum shell with M shape anti-explosion groove, comprises the aluminum hull as capacitor casing; Described aluminum casing bottom is shaped with three and radially extends and the first anti-explosion groove of reducing gradually of the degree of depth from center to surrounding; It is characterized in that: between described every two the first anti-explosion grooves, also arrange second anti-explosion groove extended on aluminum casing bottom radial direction.
Description
Technical field
The utility model relates to a kind of electrolytic capacitor, specifically a kind of electrolytic capacitor shell with explosion prevention function.
Background technology
Electrolytic capacitor is the critical elements in electronic equipment, and electrolytic capacitor in the course of the work because inner member is breakdown, shell is damaged, quick-fried slurry can occur the reasons such as bad or overtension of dispelling the heat (electrolysis bath ebullition of capacitor internal and cause the damaged and electrolyte of the shell of capacitor to overflow).For this reason, existing capacitor case generally have employed explosion-proof aluminum shell (if application number is the utility model patent of 201320351451.0), is shaped with the anti-explosion groove of three Y-shaped layouts at aluminum casing bottom; But because aluminum casing bottom still exists certain stress, after causing the quick-fried slurry of capacitor, aluminum hull may produce a small amount of chip in addition, causes certain potential safety hazard, be further improved to circuit safety.
Utility model content
The purpose of this utility model overcomes the deficiency in above-mentioned background technology, provides a kind of Novel electrolytic capacitor explosion-proof aluminum shell, and this explosion-proof aluminum shell should can not produce chip by aluminum hull when container quick-fried slurry, and structure is simple, easily easy to make.
The technical solution of the utility model is: the Electrolytic capacitor explosion-proof aluminum shell with M shape anti-explosion groove, comprises the aluminum hull as capacitor casing; Described aluminum casing bottom is shaped with three and radially extends and the first anti-explosion groove of reducing gradually of the degree of depth from center to surrounding; It is characterized in that: between described every two the first anti-explosion grooves, also arrange second anti-explosion groove extended on aluminum casing bottom radial direction.
The length of described second anti-explosion groove is that the aluminum hull thickness at the 20% to 40%, the second anti-explosion groove position of the first anti-explosion groove length is greater than 0.05mm.
Described second anti-explosion groove and equidirectional outer wall or the inwall being arranged in aluminum casing bottom of the first anti-explosion groove.
The extended line that second anti-explosion groove is arranged in wherein first anti-explosion groove keeps at a certain distance away with the first anti-explosion groove, and this certain distance is 2/1 to three/3rds of aluminum casing bottom radius.
Described three Y-shaped layouts of the first anti-explosion groove.
The length of described first anti-explosion groove is 50% to 80% of aluminum hull radius and angle between the bottom surface of the first anti-explosion groove and aluminum casing bottom is 0.8 to 5 to spend.
The aluminum hull thickness of aluminum casing bottom center is greater than 0.05mm.
The beneficial effects of the utility model are:
Also be provided with the second anti-explosion groove outside the first anti-explosion groove that the utility model is arranged at Y shape, thus effectively eliminate the stress of aluminum casing bottom; When there is quick-fried slurry in capacitor, under the first anti-explosion groove of aluminum hull and the cooperatively interacting of the second anti-explosion groove, the convex shaped of aluminum casing bottom can be become extent control (the first anti-explosion groove and the second anti-explosion groove ftracture afterwards bottom of the present utility model bulge) within the specific limits, thus effective releasing capacitor internal pressure and eliminate aluminum hull chip splash phenomena, finally guarantee the safety of peripheral circuits.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment 1.
Fig. 2 be in Fig. 1 A-A to cross-sectional view.
Fig. 3 is the main TV structure schematic diagram of the utility model embodiment 2.
Fig. 4 be in Fig. 3 B-B to cross-sectional view.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model is not limited to following examples.
There is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove, comprise the aluminum hull 1 as capacitor casing; The bottom 1-1 of this aluminum hull is shaped with three the first anti-explosion groove 1-2; These first anti-explosion grooves radially extend from the center of aluminum casing bottom to surrounding (Y-shaped distribution or be symmetrical in aluminum casing bottom central distribution); Article three, one end of the first anti-explosion groove crosses in the center of aluminum casing bottom, and the aluminum hull thickness of the center of aluminum casing bottom is greater than 0.05mm; The degree of depth of every bar first anti-explosion groove reduces from the center of aluminum casing bottom gradually to surrounding, and shape between the bottom surface of the first anti-explosion groove and aluminum casing bottom is had a certain degree (in Fig. 2 and Fig. 4 shown in α), and this angle is generally between 0.8 to 5 degree.
As shown in FIG., the first anti-explosion groove can be arranged in the outer wall of aluminum casing bottom, also can be arranged in the inwall of aluminum casing bottom, and the length of every bar first anti-explosion groove is generally 50% to 80% of aluminum hull radius.
Said structure and existing capacitor from explosion aluminum hull are roughly the same.
The utility model also arranges a second anti-explosion groove 1-2 between described every two the first anti-explosion grooves; The quantity of described second anti-explosion groove is three and extends on aluminum casing bottom radial direction, and its length is 20% to 40% (being approximately point-like groove) of the first anti-explosion groove length; The center (the second anti-explosion groove position aluminum hull thickness is also greater than 0.05mm) of the degree of depth roughly the same aluminum casing bottom.Described second anti-explosion groove can be arranged in the outer wall (when the outer wall of the first anti-explosion groove at aluminum casing bottom) of aluminum casing bottom, also can be arranged in the inwall (when the inwall of the first anti-explosion groove at aluminum casing bottom) of aluminum casing bottom;
Distribute in " * " shape between described first anti-explosion groove and the second anti-explosion groove; As shown in Fig. 1 or Fig. 3, the extended line that every bar first anti-explosion groove is arranged in wherein first anti-explosion groove keeps at a certain distance away with the first anti-explosion groove, and this certain distance is 2/1 to three/3rds of aluminum casing bottom radius.
Claims (7)
1. there is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove, comprise the aluminum hull (1) as capacitor casing; Described aluminum casing bottom (1-1) is shaped with three and radially extends and the first anti-explosion groove (1-2) of reducing gradually of the degree of depth from center to surrounding; It is characterized in that: between described every two the first anti-explosion grooves, also arrange second anti-explosion groove (1-3) extended on aluminum casing bottom radial direction.
2. there is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove according to claim 1, it is characterized in that: the length of described second anti-explosion groove is that the aluminum hull thickness at the 20% to 40%, the second anti-explosion groove position of the first anti-explosion groove length is greater than 0.05mm.
3. there is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove according to claim 2, it is characterized in that: described second anti-explosion groove and equidirectional outer wall or the inwall being arranged in aluminum casing bottom of the first anti-explosion groove.
4. there is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove according to claim 3, it is characterized in that: the extended line that described second anti-explosion groove is arranged in wherein first anti-explosion groove keeps at a certain distance away with the first anti-explosion groove, and this certain distance is 2/1 to three/3rds of aluminum casing bottom radius.
5. there is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove according to claim 4, it is characterized in that: described three Y-shaped layouts of the first anti-explosion groove.
6. there is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove according to claim 5, it is characterized in that: the length of described first anti-explosion groove is 50% to 80% of aluminum hull radius and angle between the bottom surface of the first anti-explosion groove and aluminum casing bottom is 0.8 to 5 to spend.
7. there is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove according to claim 6, it is characterized in that: the aluminum hull thickness of aluminum casing bottom center is greater than 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375610.5U CN204029610U (en) | 2014-07-08 | 2014-07-08 | There is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375610.5U CN204029610U (en) | 2014-07-08 | 2014-07-08 | There is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove |
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| Publication Number | Publication Date |
|---|---|
| CN204029610U true CN204029610U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420375610.5U Active CN204029610U (en) | 2014-07-08 | 2014-07-08 | There is the Electrolytic capacitor explosion-proof aluminum shell of M shape anti-explosion groove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021118321A (en) * | 2020-01-29 | 2021-08-10 | 株式会社アプトデイト | Capacitor case and manufacturing method of the same |
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2014
- 2014-07-08 CN CN201420375610.5U patent/CN204029610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021118321A (en) * | 2020-01-29 | 2021-08-10 | 株式会社アプトデイト | Capacitor case and manufacturing method of the same |
| JP7043086B2 (en) | 2020-01-29 | 2022-03-29 | 株式会社アプトデイト | Capacitor case and capacitor case manufacturing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 311313 Ling'an City Sichuan Zhen Ma Huang Kou Patentee after: LINAN AO XING ELECTRONICS CO., LTD. Address before: Hangzhou City, Zhejiang province 311313 Ling'an City Sichuan Zhen Ma Huang Kou Patentee before: Linan Ao Xing Electronics Co., Ltd. |