CN102394176A - Production process of metallized polyester film dielectric capacitor - Google Patents
Production process of metallized polyester film dielectric capacitor Download PDFInfo
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- CN102394176A CN102394176A CN2011102960261A CN201110296026A CN102394176A CN 102394176 A CN102394176 A CN 102394176A CN 2011102960261 A CN2011102960261 A CN 2011102960261A CN 201110296026 A CN201110296026 A CN 201110296026A CN 102394176 A CN102394176 A CN 102394176A
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- polyester film
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- metallized polyester
- temperature
- film dielectric
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Abstract
The invention discloses a production process of a metallized polyester film dielectric capacitor. In the production process, two layers of paired metallized polyester films can be wound to form a core, the core can be subjected to hot-pressing treatment at the temperature of 128-130 DEG C for burning in and exhausting the air in the core, and then gradient warming type high-temperature treatment can be carried out; after being wrapped, the core can be subjected to metal spraying treatment on an exposed end of a metallization layer to form a metal spraying layer; two pins can be welded on the metal spraying layer of the core subjected to energization, then the core can be arranged and encapsulated by use of epoxy resin, a logo can be printed on the surface of the encapsulated product, and then test is carried out; and finally the metallized polyester film dielectric capacitor can be obtained when the product is qualified on the test. By virtue of the gradient warming type high-temperature treatment adopted in the invention, stress can be gradually changed along with the temperature change, thus the stability and consistency of the product performances can be improved, the capacitor can continuously work in a high-temperature environment of 105 DEG C, the product can work in the high-temperature environments, such as an energy saving lamp, an LED (light emitting diode) lamp and the like. Therefore, not only can the product performance be improved, but also the application range of the product can be expanded.
Description
[technical field]
The present invention relates to capacitor, relate in particular to the improvement of the production technology of metallized polyester film dielectric capacitor.
[background technology]
Polyester film condenser belongs to the organic film condenser class, claims dacron terylene condenser again.It is to be electrode with metal forming or metal layer, is medium with PETG (abbreviation polyester) film, and the winding shaping and the plastic housing of packing into are sealed to form.The capacitor that has is with being with the epoxy resin enclosed of look with the fuse of spooling shaping.The capacitor made from metallization laminar electrode is called MMB or metallized polyester film dielectric capacitor.
Directly heat after reeling in the production technology of existing metallized polyester film dielectric capacitor, variations in temperature is inhomogeneous, and properties of product are unstable, and capacitor continuous operation property in the hot environment more than 100 ℃ is poor.
[summary of the invention]
The object of the invention solves the problems of the prior art exactly; A kind of production technology of metallized polyester film dielectric capacitor is proposed; Can when variations in temperature, gradually change by stress, thereby the stability of enhancing product performance makes the capacitor can continuous operation in hot environment.
For realizing above-mentioned purpose; The present invention proposes a kind of production technology of metallized polyester film dielectric capacitor, earlier two layer medium layer and double-layer metallization layer coiling are formed fuse, adopt 128～130 ℃ temperature to carry out hot pressing to fuse again; Make fuse aging and discharge the inner air of fuse; Carry out the high-temperature process of gradient heating type then, metal spraying processing formation gilding layer is carried out at the bared end of metal layer in fuse parcel back, after energizing again two pins is welded on the gilding layer of fuse; Then a plurality of fuses are evenly arranged on the lath; Adopt epoxy resin that fuse is sealed, after product surface stamps sign, carry out test verification, through the qualified metallized polyester film dielectric capacitor that obtains of test verification.
As preferably, the high-temperature process of said gradient heating type is to adopt the gradient mode that improved 9～11 ℃ in per 10 minutes to be warmed to 118～122 ℃ earlier always, under 118～122 ℃ of temperature, is incubated 1.9～2.1 hours then, the stability of further enhancing product performance.
As preferably, the production technology of described metallized polyester film dielectric capacitor is characterized in that: the arrangement of staggering of said double-layer metallization film, and respectively expose an end after not having screen tape error position about two dielectric layers.
As preferably, adopt pure Zinc material bottoming during said metal spraying, spray Zinc-tin alloy again, zinc with the zinc contact has better reduced contact resistance like this.
As preferably, nozzle and fuse end face distance 170mm during said metal spraying, air pressure is not less than 5.6Kg/cm
2, the thickness of gilding layer is 0.45～0.55mm, has guaranteed the even of metal spraying particle like this, has improved the metal spraying effect, has guaranteed that gilding layer contacts with the good of electrode.
Beneficial effect of the present invention: the present invention adopts the high-temperature process of gradient heating type; Stress gradually changes when variations in temperature; Thereby improved the stability and the consistency of properties of product, made the capacitor can continuous operation in 105 ℃ hot environment, this product can be worked in hot environments such as electricity-saving lamp, LED lamp; Not only promote properties of product, and expanded the range of application of product.
Characteristic of the present invention and advantage will combine accompanying drawing to be elaborated through embodiment.
[description of drawings]
Fig. 1 is the process chart of the production technology of metallized polyester film dielectric capacitor of the present invention;
Fig. 2 is the schematic cross-section of fuse in the production technology of metallized polyester film dielectric capacitor of the present invention.
[embodiment]
As shown in Figure 1; The production technology of metallized polyester film dielectric capacitor forms fuse with two layer medium layer and double-layer metallization layer coiling earlier, adopts 128～130 ℃ temperature to carry out hot pressing to fuse again; Make fuse aging and discharge the inner air of fuse; Carry out the high-temperature process of gradient heating type then, metal spraying processing formation gilding layer is carried out at the bared end of metal layer in fuse parcel back, after energizing again two pins is welded on the gilding layer of fuse; Then a plurality of fuses are evenly arranged on the lath; Adopt epoxy resin that fuse is sealed, after product surface stamps sign, carry out test verification, through the qualified metallized polyester film dielectric capacitor that obtains of test verification.
The high-temperature process of said gradient heating type generally is to adopt the gradient mode that improved 9～11 ℃ in per 10 minutes to be warmed to 118～122 ℃ earlier always, under 118～122 ℃ of temperature, is incubated 1.9～2.1 hours then.The optimal parameter of the high-temperature process of gradient heating type is to adopt the gradient mode that improved 10 ℃ in per 10 minutes to be warmed to 120 ℃ earlier always, under 120 ℃ of temperature, is incubated 2 hours then.
The arrangement of staggering of double-layer metallization film, and respectively expose an end after not having screen tape error position about two dielectric layers, guarantee well contact.Adopt pure Zinc material bottoming during metal spraying, spray Zinc-tin alloy again, zinc is better with the zinc contact like this, has reduced contact resistance.Nozzle and fuse end face distance 170mm during metal spraying, air pressure is not less than 5.6Kg/cm
2, the thickness of gilding layer is 0.45～0.55mm, has guaranteed the even of metal spraying particle like this, has improved the metal spraying effect, has guaranteed that gilding layer contacts with the good of electrode.Dielectric layer is the polyester film medium, and metal layer can adopt aluminium foil.
As shown in Figure 2; Fuse 1 comprises first dielectric layer 10 and second dielectric layer 11; From left to right be provided with first metal layer 12 on first dielectric layer 10 successively, first screen is with 13, second metal layer 14 and second screen to be with 15; From left to right be provided with the 3rd screen on second dielectric layer 11 successively and be with the 16, the 3rd metal layer 17, the 4th screen to be with the 18 and the 4th metal layer 19, be wound into fuse 1 after said first dielectric layer 10 and second dielectric layer 11 stack.Stack and be wound into fuse 1 behind said first dielectric layer 10 and second dielectric layer, the 11 lateral alternate 0.5mm, and the width of said first dielectric layer 10 and second dielectric layer 11 is 4.5mm, makes two pin between the pin 2 apart from being reduced into 5mm.The width of first dielectric layer 10 is 4.5mm, and the width of first metal layer 12 is 1.7mm, and first screen is 0.4mm with 13 width, and the width of second metal layer 14 is 2.0mm, and second screen is 0.4mm with 15 width; The width of second dielectric layer 11 is 4.5mm, and the 3rd screen is 0.4mm with 16 width, and the width of the 3rd metal layer 17 is 2.0mm, and the 4th screen is 0.4mm with 18 width, and the width of the 4th metal layer 19 is 1.7mm.
The special construction of these three interior strings; The volume and the pin distance of product have been dwindled greatly; Make the new product volume have only 1/3rd of original product volume, pin has effectively improved the voltage endurance capability of capacitor apart from being reduced to 5mm; Be suitable for high-voltage pulse circuits such as high-voltage pulse microminiature circuit, especially electricity-saving lamp, LED lamp.
The foregoing description is to explanation of the present invention, is not to qualification of the present invention, any scheme after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (6)
1. the production technology of metallized polyester film dielectric capacitor is characterized in that: will match the double-layer metallization polyester film web earlier around forming fuse, and adopt 128～130 ℃ temperature to carry out hot pressing to fuse again; Make fuse aging and discharge the inner air of fuse; Carry out the high-temperature process of gradient heating type then, fuse parcel back is carried out metal spraying and handled and form gilding layer exposing end face, after energizing again two pins is welded on the gilding layer of fuse; Then a plurality of fuses are evenly arranged on the lath; Adopt epoxy resin that fuse is sealed, after product surface stamps sign, carry out test verification, through the qualified metallized polyester film dielectric capacitor that obtains of test verification.
2. the production technology of metallized polyester film dielectric capacitor as claimed in claim 1; It is characterized in that: the high-temperature process of said gradient heating type is to adopt the gradient mode that improved 9～11 ℃ in per 10 minutes to be warmed to 118～122 ℃ earlier always, under 118～122 ℃ of temperature, is incubated 1.9～2.1 hours then.
3. the production technology of metallized polyester film dielectric capacitor as claimed in claim 2; It is characterized in that: the high-temperature process of said gradient heating type is to adopt the gradient mode that improved 10 ℃ in per 10 minutes to be warmed to 120 ℃ earlier always, under 120 ℃ of temperature, is incubated 2 hours then.
4. the production technology of metallized polyester film dielectric capacitor as claimed in claim 1 is characterized in that: the arrangement of staggering of said double-layer metallization film, and respectively expose an end after not having screen tape error position about two dielectric layers.
5. the production technology of metallized polyester film dielectric capacitor as claimed in claim 1 is characterized in that: adopt pure Zinc material bottoming during said metal spraying, spray Zinc-tin alloy again.
6. the production technology of metallized polyester film dielectric capacitor as claimed in claim 5 is characterized in that: nozzle and fuse end face distance 170mm during said metal spraying, air pressure is not less than 5.6Kg/cm
2, the thickness of gilding layer is 0.45～0.55mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110296026 CN102394176B (en) | 2011-09-28 | 2011-09-28 | Production process of metallized polyester film dielectric capacitor |
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| CN 201110296026 CN102394176B (en) | 2011-09-28 | 2011-09-28 | Production process of metallized polyester film dielectric capacitor |
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| CN102394176A true CN102394176A (en) | 2012-03-28 |
| CN102394176B CN102394176B (en) | 2013-03-27 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124015A (en) * | 2013-04-27 | 2014-10-29 | 宁波市江北振华电子有限公司 | Production process of capacitor element of electricity meter |
| CN104319097A (en) * | 2014-04-01 | 2015-01-28 | 扬州日精电子有限公司 | Manufacturing method of metallized film capacitor |
| CN104934221A (en) * | 2015-06-25 | 2015-09-23 | 浙江七星电容器有限公司 | Wear-resistant double-sided metal electrical membrane of capacitor |
| CN106128759A (en) * | 2016-08-11 | 2016-11-16 | 苏州柯创电子材料有限公司 | The manufacture method of metallized film capacitor |
| CN106158374A (en) * | 2016-08-11 | 2016-11-23 | 苏州柯创电子材料有限公司 | metallized film capacitor |
| CN106252075A (en) * | 2016-08-11 | 2016-12-21 | 苏州柯创电子材料有限公司 | The manufacturing process of metallized film capacitor |
| CN106847557A (en) * | 2015-12-05 | 2017-06-13 | 佛山市欣源电子股份有限公司 | The metal grill hot pressing shaping process of capacitor core |
| CN108914040A (en) * | 2018-08-10 | 2018-11-30 | 安徽长容电子有限公司 | A kind of metal spraying method of thin film capacitor |
| CN109300687A (en) * | 2018-11-28 | 2019-02-01 | 上海春黎电子实业有限公司 | One kind can thin film capacitor resistant to high temperature and its production method |
| CN116661317A (en) * | 2023-06-01 | 2023-08-29 | 六和电子（江西）有限公司 | Stepped temperature, time and pressure hot-pressing method for thin film capacitor |
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| CN2724170Y (en) * | 2004-09-03 | 2005-09-07 | 何敬泉 | Metallized film capacitor |
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| CN102013323A (en) * | 2010-09-10 | 2011-04-13 | 黄山晶松薄膜电容器制造有限公司 | Foil noninductive capacitor and manufacturing process thereof |
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2011
- 2011-09-28 CN CN 201110296026 patent/CN102394176B/en active Active
Patent Citations (4)
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| CN2724170Y (en) * | 2004-09-03 | 2005-09-07 | 何敬泉 | Metallized film capacitor |
| CN101070806A (en) * | 2006-05-13 | 2007-11-14 | 刘小波 | Ignition capacitor |
| CN201773709U (en) * | 2010-09-10 | 2011-03-23 | 黄山晶松薄膜电容器制造有限公司 | Foil-type non-inductive capacitor |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124015A (en) * | 2013-04-27 | 2014-10-29 | 宁波市江北振华电子有限公司 | Production process of capacitor element of electricity meter |
| CN104124015B (en) * | 2013-04-27 | 2018-12-14 | 宁波市江北振华电子有限公司 | A kind of production technology of ammeter capacitor element |
| CN104319097A (en) * | 2014-04-01 | 2015-01-28 | 扬州日精电子有限公司 | Manufacturing method of metallized film capacitor |
| CN104934221A (en) * | 2015-06-25 | 2015-09-23 | 浙江七星电容器有限公司 | Wear-resistant double-sided metal electrical membrane of capacitor |
| CN106847557A (en) * | 2015-12-05 | 2017-06-13 | 佛山市欣源电子股份有限公司 | The metal grill hot pressing shaping process of capacitor core |
| CN106847557B (en) * | 2015-12-05 | 2023-11-07 | 佛山市欣源电子股份有限公司 | Metal grid hot-press shaping process of capacitor core |
| CN106128759A (en) * | 2016-08-11 | 2016-11-16 | 苏州柯创电子材料有限公司 | The manufacture method of metallized film capacitor |
| CN106252075A (en) * | 2016-08-11 | 2016-12-21 | 苏州柯创电子材料有限公司 | The manufacturing process of metallized film capacitor |
| CN106158374A (en) * | 2016-08-11 | 2016-11-23 | 苏州柯创电子材料有限公司 | metallized film capacitor |
| CN108914040A (en) * | 2018-08-10 | 2018-11-30 | 安徽长容电子有限公司 | A kind of metal spraying method of thin film capacitor |
| CN109300687A (en) * | 2018-11-28 | 2019-02-01 | 上海春黎电子实业有限公司 | One kind can thin film capacitor resistant to high temperature and its production method |
| CN116661317A (en) * | 2023-06-01 | 2023-08-29 | 六和电子（江西）有限公司 | Stepped temperature, time and pressure hot-pressing method for thin film capacitor |
| CN116661317B (en) * | 2023-06-01 | 2024-04-12 | 六和电子（江西）有限公司 | Stepped temperature, time and pressure hot-pressing method for thin film capacitor |
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| CN102394176B (en) | 2013-03-27 |
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Effective date of registration: 20201202 Address after: 226000 Gangzha City, Nantong Province, born in the town of Bayi Street Village Industrial Park Patentee after: NANTONG EIDSON MACHINERY ELECTRONICAL EQUIPMENT Co.,Ltd. Address before: 313119 Zhejiang city of Huzhou province Changxing County Development Zone Du Gang cast Patentee before: CHANGXING BOCHENG ELECTRONICS Co.,Ltd. |