CN204905042U - Novel anti -explosion capacitor - Google Patents
Novel anti -explosion capacitor Download PDFInfo
- Publication number
- CN204905042U CN204905042U CN201520707703.8U CN201520707703U CN204905042U CN 204905042 U CN204905042 U CN 204905042U CN 201520707703 U CN201520707703 U CN 201520707703U CN 204905042 U CN204905042 U CN 204905042U
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- Prior art keywords
- explosion
- fixed cover
- proof
- shell
- becket
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Abstract
The utility model relates to a novel anti -explosion capacitor belongs to the condenser field, including the shell, roll up core, apron and binding post, be equipped with step, first protruding muscle and the protruding muscle of second on the inner wall of shell, be equipped with between apron and the shell and have elastic fixed cover, the inboard of fixed cover is equipped with and laps the first recess of marginal matched with annular, the side of fixed cover be equipped with with first protruding muscle matched with second recess, the lower surface middle position of fixed cover is equipped with the mar, the top of fixed cover is equipped with explosion -proof becket, and the edge of explosion -proof becket is equipped with a plurality of convex parts, and the contained angle between convex part and the explosion -proof becket is the obtuse angle, forms the third recess between the adjacent convex part, and the top of convex part is equipped with arc fourth recess, and the central authorities of apron are provided with explosion proof hole. This capacitor structure is simple, and simple to operate is explosion -proof with low costs, and long service life is explosion -proof effectual.
Description
Technical field
The utility model relates to a kind of capacitor, particularly relates to New non-explosive capacitor.
Background technology
Along with making rapid progress of electronic information technology, the update speed goes of digital electronic goods is fast, based on the consumer electronics product volume of production and marketing sustainable growth of the products such as panel TV (LCD and PDP), notebook computer, digital camera, capacitor industry has been driven to increase.
Capacitor, in running, affects by ambient temperature and behaviour in service etc., and the overvoltage of capacitor, overcurrent or excess temperature all can cause between capacity cell partial breakdown occurs, and the heat produced instantaneously makes gas expansion, can cause capacitor bulge, even explode.Existing capacitor, in order to meet requirement of explosion proof, installs explosion-proof block additional bottom cover plate, prevents the gases at high pressure produced when capacity cell partial breakdown from breaking through cover plate, and then causes other circuit components of cover plate outside to break down even damaging, bring loss.But the Main Function of explosion-proof block is one " boss " in fact, although protect cover plate, ensure that the intact of other circuit components of cover plate place, but when the pressure of capacitor internal reaches the limit of shell, can from other position explosions shell, capacitor is scrapped, and explosion-proof block structure is comparatively complicated, cost is high.
Utility model content
The deficiency that the utility model exists for prior art, provides New non-explosive capacitor, and concrete technical scheme is as follows:
New non-explosive capacitor, comprises shell, core, cover plate and binding post, and the inwall of described shell is provided with step, the first convex tendon and the second convex tendon, the first convex tendon is arranged on the top of step, and the second convex tendon is arranged on the top of the first convex tendon; Be provided with between described cover plate and shell and have flexible fixed cover, the inner side of fixed cover is provided with annular first groove matched with side edge thereof, is interference fit and contacts compression between cover plate with fixed cover; The side of fixed cover is provided with the second groove matched with the first convex tendon, is matched in clearance and contacts compression between fixed cover with shell; Fixed cover is provided with the first fixing hole, the lower surface middle position of fixed cover is provided with cut; The top of fixed cover is provided with explosion-proof becket, the edge of explosion-proof becket is provided with multiple protuberance, angle between protuberance and explosion-proof becket is obtuse angle, the 3rd groove is formed between adjacent projection, the top of protuberance is provided with arc the 4th groove, protuberance contacts with the second convex tendon, and explosion-proof becket contacts with fixed cover; Cover plate is provided with second fixing hole corresponding with the first fixing hole position, the central authorities of cover plate are provided with explosionproof hole.
As the improvement of technique scheme, described first convex tendon and shell are integral type structure, and the second convex tendon and shell are integral type structure.
As the improvement of technique scheme, the shape of described cut is the one in in-line, cross, M shape.
As the improvement of technique scheme, described protuberance and explosion-proof becket are integral type structure.
As the improvement of technique scheme, the angle between described protuberance and explosion-proof becket is less than 175 ° and is greater than 135 °.
As the improvement of technique scheme, be provided with epoxy resin between described shell and core, core is wrapped up completely by epoxy resin.
New non-explosive capacitor structure described in the utility model is simple, easy for installation, explosion-proof cost is low, utilize fixed cover and explosionproof hole to ensure that capacitor internal pressure is under explosion limit all the time, explosion-proof becket not only promotes the explosion-proof performance of capacitor further, also has the effect of securing cover plate and fixed cover, fixed form is simple and convenient, implementation result is good, and explosionproof hole and explosion-proof becket double action, extend the useful life of capacitor.
Accompanying drawing explanation
Fig. 1 is New non-explosive capacitor structural representation described in the utility model;
Fig. 2 is shell mechanism schematic diagram described in the utility model;
Fig. 3 is fixed cover structural representation described in the utility model;
Fig. 4 is fixed cover structural representation (looking up state) described in the utility model;
Fig. 5 is covering plate structure schematic diagram described in the utility model;
Fig. 6 is explosion-proof becket structural representation described in the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As depicted in figs. 1 and 2, Fig. 1 is New non-explosive capacitor structural representation described in the utility model, and Fig. 2 is shell mechanism schematic diagram described in the utility model.Described New non-explosive capacitor, comprise shell 10, core 30, cover plate 50 and binding post 60, the inwall of described shell 10 is provided with the top that step 11, first convex tendon 12 and the second convex tendon 13, first convex tendon 12 are arranged on step 11, the second convex tendon 13 is arranged on the top of the first convex tendon 12.Install for convenience and to add man-hour one-body molded, described first convex tendon 12 be integral type structure with shell 10, and the second convex tendon 13 and shell 10 are integral type structure.
As shown in Figure 3 and Figure 4, Fig. 3 is fixed cover structural representation described in the utility model, and Fig. 4 is fixed cover structural representation (looking up state) described in the utility model.Be provided with between described cover plate 50 and shell 10 and have flexible fixed cover 40, the inner side of fixed cover 40 is provided with annular first groove 43 with cover plate 50 edges co-operate, is interference fit and contacts compression between cover plate 50 with fixed cover 40; The effect of the first groove 43 conveniently cover plate 50 engaging is wrapped, and because fixed cover 40 has elasticity, facilitates fixed cover 40 to be wrapped by cover plate 50.The side of fixed cover 40 is provided with the second groove 42 matched with the first convex tendon 12, is matched in clearance and contacts compression between fixed cover 40 with shell 10; Fixed cover 40 closely cooperates with shell 10 under the location of step 11, support, forms enclosed construction; The effect of the first convex tendon 12 ensures that fixed cover 40 coordinates closely with shell 10, prevents fixed cover 40 when being subject to internal pressure by impact loosening; Effect fixed cover 40 being provided with the first fixing hole 41, first fixing hole 41 is the bolt or rivet or cable turnover conveniently fixed when installing binding post 60; Fixed cover 40 has the effect of sealing, buffering, insulation.
As shown in Figure 5, Fig. 5 is covering plate structure schematic diagram described in the utility model.Effect cover plate 50 being provided with second fixing hole 52, second fixing hole 52 corresponding with the first fixing hole 41 position facilitates fixing bolt or rivet or cable to pass in and out; The central authorities of cover plate 50 are provided with explosionproof hole 51.Core 30 when shell 10 inside produces a large amount of gas because of partial breakdown, shell 10 internal gas pressure raises, middle position due to cover plate 50 is provided with explosionproof hole 51, the central authorities of fixed cover 40 are by the high pressure pneumatic component in shell 10, gases at high pressure rush at the external world from explosionproof hole 51, lead the high pressure in shell 10 off, prevented from causing explosion accident to produce because shell 10 air pressure inside is too high, cause damage.And for making the easier centre explosion from fixed cover 40 of gases at high pressure, preventing from causing because fixed cover 40 mechanical strength intensity is high cannot explosion, the lower surface middle position of fixed cover 40 is provided with cut 44, and the shape of described cut 44 is the one in in-line, cross, M shape; Under the effect of cut 44, according to notch effect principle, when the gases at high pressure in shell 10 reach capacity, gases at high pressure are easy in cut 44 place's explosion, and gases at high pressure are outwardly led off from explosionproof hole 51, reduce the pressure in shell 10; And because fixed cover 40 has elasticity, the explosion mouth at cut 44 place easily shrinks after leading pressure off, fixed cover 40 still can be kept " comparatively complete state ", prevent introduced contaminants from entering shell 10 internal contamination core 30, avoid capacitor to scrap immediately.
As shown in Figure 6, Fig. 6 is explosion-proof becket structural representation described in the utility model.The top of fixed cover 40 is provided with explosion-proof becket 70, the edge of explosion-proof becket 70 is provided with multiple protuberance 71, angle between protuberance 71 and explosion-proof becket 70 is obtuse angle, the 3rd groove 73 is formed between adjacent projection 71, the top of protuberance 71 is provided with arc the 4th groove 72, protuberance 71 contacts with the second convex tendon 13, and explosion-proof becket 70 contacts with fixed cover 40; Because explosion-proof becket 70 is fixed under the engaging of the second convex tendon 13 and fixed cover 40, when the pressure in shell 10 raises, under the effect of explosion-proof becket 70, avoid fixed cover 40 to be rushed out shell 10, improve the fixed effect between fixed cover 40 and shell 10.Angle between protuberance 71 and explosion-proof becket 70 is designed to obtuse angle, is conveniently will be engaged between the second convex tendon 13 and fixed cover 40.For preventing protuberance 71 from easily bending inwards when being subject to thrust upwards, cause occurring between explosion-proof becket 70 and fixed cover 40 to loosen, the angle between described protuberance 71 and explosion-proof becket 70 is less than 175 ° and is greater than 135 °.Due to the effect of the 4th groove 72, the top of protuberance 71 is formed two sharp-pointed " projections ", " projection " should be easy to the below being stuck in the second convex tendon 13, and avoids because the second convex tendon 13 is too little and cause occurring between protuberance 71 and the second convex tendon 13 slippage; 4th groove 72 increases the gap between protuberance 71 and shell 10 inwall, 3rd groove 73 increases the gap between explosion-proof becket 70 and shell 10 inwall, guarantee fixed cover 40 and shell 10 between fixed structure complete while, improve the explosion-proof effect of capacitor.Install for convenience and to add man-hour one-body molded, described protuberance 71 is integral type structure with explosion-proof becket 70.Be provided with epoxy resin 20 between described shell 10 and core 30, core 30 is wrapped up completely by epoxy resin 20.Epoxy resin 20 has the effect of insulation, fixing core 30.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. New non-explosive capacitor, comprise shell (10), core (30), cover plate (50) and binding post (60), it is characterized in that: the inwall of described shell (10) is provided with step (11), the first convex tendon (12) and the second convex tendon (13), first convex tendon (12) is arranged on the top of step (11), and the second convex tendon (13) is arranged on the top of the first convex tendon (12); Be provided with between described cover plate (50) and shell (10) and there is flexible fixed cover (40), the inner side of fixed cover (40) is provided with annular first groove (43) with cover plate (50) edges co-operate, is interference fit and contacts compression between cover plate (50) with fixed cover (40); The side of fixed cover (40) is provided with the second groove (42) matched with the first convex tendon (12), is matched in clearance and contacts compression between fixed cover (40) with shell (10); Fixed cover (40) is provided with the first fixing hole (41), the lower surface middle position of fixed cover (40) is provided with cut (44); The top of fixed cover (40) is provided with explosion-proof becket (70), the edge of explosion-proof becket (70) is provided with multiple protuberance (71), angle between protuberance (71) and explosion-proof becket (70) is obtuse angle, the 3rd groove (73) is formed between adjacent projection (71), the top of protuberance (71) is provided with arc the 4th groove (72), protuberance (71) contacts with the second convex tendon (13), and explosion-proof becket (70) contacts with fixed cover (40); Cover plate (50) is provided with second fixing hole (52) corresponding with the first fixing hole (41) position, the central authorities of cover plate (50) are provided with explosionproof hole (51).
2. New non-explosive capacitor according to claim 1, is characterized in that: described first convex tendon (12) and shell (10) are integral type structure, and the second convex tendon (13) and shell (10) are integral type structure.
3. New non-explosive capacitor according to claim 1, is characterized in that: the shape of described cut (44) is the one in in-line, cross, M shape.
4. New non-explosive capacitor according to claim 1, is characterized in that: described protuberance (71) and explosion-proof becket (70) are integral type structure.
5. New non-explosive capacitor according to claim 1, is characterized in that: the angle between described protuberance (71) and explosion-proof becket (70) is less than 175 ° and is greater than 135 °.
6. New non-explosive capacitor according to claim 1, is characterized in that: be provided with epoxy resin (20) between described shell (10) and core (30), and core (30) is wrapped up completely by epoxy resin (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707703.8U CN204905042U (en) | 2015-09-14 | 2015-09-14 | Novel anti -explosion capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707703.8U CN204905042U (en) | 2015-09-14 | 2015-09-14 | Novel anti -explosion capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905042U true CN204905042U (en) | 2015-12-23 |
Family
ID=54927201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520707703.8U Expired - Fee Related CN204905042U (en) | 2015-09-14 | 2015-09-14 | Novel anti -explosion capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273265A (en) * | 2018-10-22 | 2019-01-25 | 铜陵源丰电子有限责任公司 | A kind of reversible noinductive capacitor |
| US10637108B1 (en) | 2016-12-09 | 2020-04-28 | Cornell Dubilier Marketing, Inc. | Apparatus for detecting expansion of an energy storage device case |
-
2015
- 2015-09-14 CN CN201520707703.8U patent/CN204905042U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10637108B1 (en) | 2016-12-09 | 2020-04-28 | Cornell Dubilier Marketing, Inc. | Apparatus for detecting expansion of an energy storage device case |
| CN109273265A (en) * | 2018-10-22 | 2019-01-25 | 铜陵源丰电子有限责任公司 | A kind of reversible noinductive capacitor |
| CN109273265B (en) * | 2018-10-22 | 2023-11-10 | 安徽西帝电子股份有限公司 | Reversible explosion-proof capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |