CN103456490B - A kind of molecular sieve capacitor - Google Patents
A kind of molecular sieve capacitor Download PDFInfo
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- CN103456490B CN103456490B CN201310438585.0A CN201310438585A CN103456490B CN 103456490 B CN103456490 B CN 103456490B CN 201310438585 A CN201310438585 A CN 201310438585A CN 103456490 B CN103456490 B CN 103456490B
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Abstract
The present invention relates to a kind of molecular sieve capacitor, comprise between aluminium shell and capacity cell and be provided with thin-film body, in the plug in the middle part of capacity cell, lead-in wire is set; Be provided with explosion-proof end cover in the upper end of described aluminium shell, feature is: the edge of explosion-proof end cover rolls tightly sealing along aluminium shell, has weld tabs, inside explosion-proof end cover, arrange burst disk in explosion-proof end cover arranged outside, arranges fixed bridge between described burst disk and explosion-proof end cover; Arrange Copper Foil in the downside of described burst disk, one end of solid rivet and the upper end spot welding of Copper Foil, the other end is connected with explosion-proof end cover through fixed bridge, and molecular sieve miscella is filled in aluminum hull inside.Described molecular sieve miscella is mixed by 5:3:2 mixing quality volume ratio by polyisobutylene oil, salad oil, molecular sieve.Moisture content in energy adsorbent thin film of the present invention and air, improve film withstand voltage; When local self-healing occurs film, the gas of generation can absorb by effective mixed oil, makes inner components stable performance; And the useful life of capacitor can be improved.
Description
Technical field
The present invention relates to a kind of molecular sieve capacitor, especially a kind of capacitor that can be used for high-tension apparatus.
Background technology
In order to the safe handling of household electrical appliance, air material and some high-tension apparatuses, as solar energy contravariant equipment, wind.The capacitor that the equipment such as the stabilized voltage power supply part of power generating equipment, water pump, constant voltage transformer, generator, electric tool, fractional horse power motor and ups system use.Existing capacitor has various structures, as patent application 201120483670 discloses a kind of metallic film capacitor, it comprises capacitor body, metal shell, leading-out terminal, upper insulating cover and lower insulating cover, wherein, described capacitor body is housed in described metal shell, in described metal shell is housed in by described upper insulating cover and described lower insulating cover combination, wherein, described metallized polypropylene film capacitor also comprise soak described capacitor body completely polyisobutene impregnating agent described in metallized polypropylene film capacitor, by polyisobutene impregnating agent being used for soak capacitor body in metallized polypropylene film capacitor, stable performance can be obtained, the capacitor that storage time is long.
Above-mentioned capacitor is on common electric equipment, can be good at playing the effect starting and operate, but at high operating temperatures, its inner components poor stability, easily cause components and parts loose contact, occur open circuit phenomenon, its same specification capacitor sizes is comparatively large, is not suitable on less electric equipment.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of molecular sieve capacitor is provided, solve the impact of high temperature, can be used on less equipment simultaneously, while reduction capacitor internal air and moisture content impact, improve the useful life of capacitor, make capacitor use safety and reliability.
According to technical scheme provided by the invention, a kind of molecular sieve capacitor, comprise aluminium shell and be encapsulated in the capacity cell in aluminium shell, thin-film body is provided with between aluminium shell and capacity cell, in plug in the middle part of capacity cell, lead-in wire is set, be provided with explosion-proof end cover in aluminium shell upper end, feature is: the edge of explosion-proof end cover rolls tightly sealing along aluminium shell, and capacity cell scribbles zinc layers; Plastic sheath is respectively equipped with at the two ends up and down of capacity cell; There is weld tabs in the upper end explosion-proof end cover arranged outside of described aluminium shell, described weld tabs is equipped with plastic sheath, burst disk is set inside explosion-proof end cover, between described burst disk and explosion-proof end cover, fixed bridge is set; Arrange Copper Foil in the downside of described burst disk, burst disk is provided with solid rivet, one end of solid rivet and the upper end spot welding of Copper Foil, the other end is connected with explosion-proof end cover through fixed bridge, and the lower end of Copper Foil is welded with the upper end of lead-in wire; Molecular sieve miscella is filled in aluminum hull inside.Described molecular sieve miscella 6 is mixed by polyisobutylene oil, salad oil, molecular sieve; Polyisobutylene oil, salad oil, molecular sieve mix by 5:3:2 mixing quality volume ratio.
As a further improvement on the present invention, the thickness of described Copper Foil is 0.8mm.
As a further improvement on the present invention, described thin-film body adopts polypropylene film.
As a further improvement on the present invention, sealed by sealing ring between described explosion-proof end cover and solid rivet.
The present invention compared with prior art has the following advantages:
Moisture content in energy adsorbent thin film of the present invention and air, can improve film withstand voltage; When local self-healing occurs film, the gas of generation can absorb by effective mixed oil, suppresses film further self-healing to occur, and can effectively reduce the pressure of capacitor internal, make inner components stable performance; Solve the impact of high temperature, can be used on less equipment simultaneously, while reduction capacitor internal air and moisture content impact, the useful life of capacitor can be improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1: described molecular sieve capacitor comprises weld tabs 1, plastic sheath 2, solid rivet 3, Copper Foil 4, zinc layers 5, molecular sieve miscella 6, capacity cell 7, lead-in wire 8, aluminium shell 9, plastic sheath 10, sealing ring 11, thin-film body 12, plug 13, explosion-proof end cover 14, burst disk 15 and fixed bridge 16 etc.
As shown in Figure 1, the capacity cell 7 that the present invention includes aluminium shell 9 and be encapsulated in aluminium shell 9, thin-film body 12 is provided with between aluminium shell 9 and capacity cell 7, described its center of capacity cell 7 is plug, external application polypropylene film round plug be rolled into cylindrical, form parts and be called element.Described thin-film body 12 adopts polypropylene film.Arrange lead-in wire 8 in plug 13 in the middle part of capacity cell 7, capacity cell 7 scribbles zinc layers 5, described zinc layers is made up of 100%Zn particle, and thickness is 0.35-0.5mm.Plastic sheath 10 is respectively equipped with at the two ends up and down of capacity cell 7; The upper end of described aluminium shell 9 is provided with explosion-proof end cover 14, the edge of explosion-proof end cover 14 rolls tightly sealing along aluminium shell 9, two weld tabs 1 are had in explosion-proof end cover 14 arranged outside, two weld tabs 1 are equipped with plastic sheath 2, for sealing, burst disk 15 is set inside explosion-proof end cover 14, fixed bridge 16 is set between burst disk 15 and explosion-proof end cover 14; In the downside of described burst disk 15, Copper Foil 4 is set, solid rivet 3 arranges solid rivet 3 through burst disk 15, one end of solid rivet 3 and the upper end spot welding of Copper Foil 4, the other end is connected with explosion-proof end cover 14 through fixed bridge 16, sealed by sealing ring 11 between explosion-proof end cover 14 and solid rivet 3, the lower end of Copper Foil 4 is welded with the upper end of lead-in wire 8; Molecular sieve miscella 6 is filled with in described aluminium shell 9 inside; Described molecular sieve miscella (6) is mixed by polyisobutylene oil, salad oil, molecular sieve; Polyisobutylene oil, salad oil, molecular sieve mix by 5:3:2 mixing quality volume ratio.Described salad oil is one-level soybean oil; Described molecular sieve is a kind of potassium type silicon aluminate crystal with A type crystal structure.Dissolution of crystals is in oil, and adsorbed water and diameter are less than the gas of 3A, forms a stable compound, becomes a part of oil.
Polyisobutylene oil described in the present invention, be called PB oil, model is 1300#, and producer is Daopu Chemical International Trade Co., Ltd., Shanghai; Salad oil, be called Salad oil, model is one-level soybean oil, and producer is Wuxi City Chuan Xian goods and materials Co., Ltds; Molecular sieve, is called the potassium type silicon aluminate crystal of A type crystal structure, molecular formula 0.4K
2o, 0.6Na
2o, Al
2o
3, 2SiO
2, producer is Shanghai Jiu Zhou Chemical Company.
The thickness of described Copper Foil 4 is 0.8mm, at the spot welding place not scolding tin of Copper Foil 4 with solid rivet 3;
Operation principle of the present invention: capacity is drawn by capacity cell 7 and zinc layers 5 capacity that realizes that contacts with each other; When self-healing occurs capacity cell 7, the gas of generation and moisture content can be absorbed by molecular sieve miscella 6, suppress further developing of self-healing, meanwhile, control the pressure of capacitor internal, make internal component safety and reliability.The heat distributed during operation, is easily absorbed by molecular sieve miscella 6 and transmits, improve the resistance to elevated temperatures of capacitor; After capacity cell 7 punctures, due to gas expansion effect, explosion-proof end cover 14 is out of shape, more center, climb is more, and solid rivet 3 place, displacement is larger, cause the stripping between solid rivet 3 and Copper Foil 4, thus capacitor internal is opened a way, reach explosion-proof effect.
In the production operation process of capacitor of the present invention, the absorbability of molecular sieve miscella 6 and high temperature resistant, the thickness of Copper Foil 4, the shape of solid rivet 3, the fastness of spot welding, the sealing of aluminium shell 9 determines the overall performance of product and explosion-proof reliability.
The present invention is when there is local self-healing in film, and the gas of generation can absorb by effective mixed oil, suppresses film further self-healing to occur, and can effectively reduce the pressure of capacitor internal, make inner components performance more stable; Molecular sieve miscella is filled in component terminations, improves the insulating properties at element two ends, makes capacitor safety and reliability; This molecular sieve miscella adopted, its molecule particles covers on film metal particle, suppresses metallic particles oxidation, capacitor is more easily dispelled the heat, high temperature resistant; Under identical rated voltage condition, effectively can reduce film thickness, reduce raw material and use, cost-saving, and make capacitor more miniaturized.
Claims (4)
1. a molecular sieve capacitor, comprise aluminium shell (9) and be encapsulated in the capacity cell (7) in aluminium shell (9), thin-film body (12) is provided with between aluminium shell (9) and capacity cell (7), in the plug (13) at capacity cell (7) middle part, lead-in wire (8) is set, capacity cell (7) scribbles zinc layers (5); The two ends up and down of described capacity cell (7) are respectively equipped with plastic sheath (10); The upper end of described aluminium shell (9) is provided with explosion-proof end cover (14), it is characterized in that: the edge of described explosion-proof end cover (14) rolls tightly sealing along aluminium shell (9), weld tabs (1) is had in explosion-proof end cover (14) arranged outside, plastic sheath (2) described weld tabs (1) is equipped with, explosion-proof end cover (14) inner side is provided with burst disk (15), between described burst disk (15) and explosion-proof end cover (14), is provided with fixed bridge (16); The downside of described burst disk (15) is provided with Copper Foil (4), solid rivet (3) arranges solid rivet (3) through burst disk (15), one end of solid rivet (3) and the upper end spot welding of Copper Foil (4), the other end is connected with explosion-proof end cover (14) through fixed bridge (16), and the lower end of Copper Foil (4) is welded with the upper end of lead-in wire (8); Molecular sieve miscella (6) is filled in aluminum hull (9) inside; Described molecular sieve miscella (6) is mixed by polyisobutylene oil, salad oil, molecular sieve; Described polyisobutylene oil, salad oil, molecular sieve mix by the mass ratio of 5:3:2.
2. a kind of molecular sieve capacitor as claimed in claim 1, is characterized in that: the thickness of described Copper Foil is 0.8mm.
3. a kind of molecular sieve capacitor as claimed in claim 1, is characterized in that: described thin-film body adopts polypropylene film.
4. a kind of molecular sieve capacitor as claimed in claim 1, is characterized in that: sealed by sealing ring (11) between described explosion-proof end cover (14) and solid rivet (3).
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| CN201310438585.0A CN103456490B (en) | 2013-09-24 | 2013-09-24 | A kind of molecular sieve capacitor |
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| CN201310438585.0A CN103456490B (en) | 2013-09-24 | 2013-09-24 | A kind of molecular sieve capacitor |
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| CN103456490B true CN103456490B (en) | 2015-12-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943359B (en) * | 2014-04-22 | 2017-04-05 | 无锡宏广电容器有限公司 | It is a kind of to improve the compound impregnating agent in metallic film capacitor life-span and preparation method thereof |
| CN104143436A (en) * | 2014-07-22 | 2014-11-12 | 安徽鑫阳电子有限公司 | Point-contact-typed explosion-proof capacitor for conductive column |
| CN107768138B (en) * | 2016-08-18 | 2024-01-23 | 宁波碧彩实业有限公司 | Double-end rivet pressure explosion-proof capacitor |
| CN108735504A (en) * | 2018-03-22 | 2018-11-02 | 安徽飞达电气科技有限公司 | The Insulation stopping and preparation method thereof of capacitor service life can be improved |
| CN108899204A (en) * | 2018-06-29 | 2018-11-27 | 无锡宏广电容器有限公司 | Polarity fills long-service-life metal polypropylene film capacitor |
| CN109903993A (en) * | 2019-04-23 | 2019-06-18 | 无锡宏广电容器有限公司 | The integrated end cap of polypropylene film capacitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102290234A (en) * | 2011-06-03 | 2011-12-21 | 安徽赛福电子有限公司 | Alternating current wet-type capacitor saturant |
| CN102496460A (en) * | 2011-11-29 | 2012-06-13 | 安徽赛福电子有限公司 | Metallized polypropylene film capacitor and injection method for injecting polyisobutene impregnant into metallized polypropylene film capacitor |
| CN202650853U (en) * | 2012-05-23 | 2013-01-02 | 铜陵市铜新电气有限责任公司 | Impregnant holding furnace for capacitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201222422Y (en) * | 2008-07-17 | 2009-04-15 | 宁国市大荣电器有限公司 | Built-in inductance explosion-proof capacitor for full automatic washing machine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290234A (en) * | 2011-06-03 | 2011-12-21 | 安徽赛福电子有限公司 | Alternating current wet-type capacitor saturant |
| CN102496460A (en) * | 2011-11-29 | 2012-06-13 | 安徽赛福电子有限公司 | Metallized polypropylene film capacitor and injection method for injecting polyisobutene impregnant into metallized polypropylene film capacitor |
| CN202650853U (en) * | 2012-05-23 | 2013-01-02 | 铜陵市铜新电气有限责任公司 | Impregnant holding furnace for capacitor |
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Denomination of invention: A molecular sieve capacitor Effective date of registration: 20210224 Granted publication date: 20151202 Pledgee: Bank of China Co.,Ltd. Wuxi High tech Industrial Development Zone Branch Pledgor: WUXI HONGGUANG CAPACITOR Co.,Ltd. Registration number: Y2021980001300 |
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Date of cancellation: 20220506 Granted publication date: 20151202 Pledgee: Bank of China Co.,Ltd. Wuxi High tech Industrial Development Zone Branch Pledgor: WUXI HONGGUANG CAPACITOR Co.,Ltd. Registration number: Y2021980001300 |
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