CN101369491B - Manufacturing process of aluminum electrolytic capacitor for reducing point discharge phenomenon - Google Patents
Manufacturing process of aluminum electrolytic capacitor for reducing point discharge phenomenon Download PDFInfo
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- CN101369491B CN101369491B CN2008102010515A CN200810201051A CN101369491B CN 101369491 B CN101369491 B CN 101369491B CN 2008102010515 A CN2008102010515 A CN 2008102010515A CN 200810201051 A CN200810201051 A CN 200810201051A CN 101369491 B CN101369491 B CN 101369491B
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Abstract
The invention relates to a process for manufacturing an aluminum electrolytic capacitor to reduce point discharge phenomenon, which is characterized in that, firstly a positive guide needle and a negative needle select surfaces, a tongue part of a positive guide needle is provided on the positive electrode aluminum foil, one surface with burr is contacted with a foil surface of the positive electrode aluminum foil, a tongue part of a negative guide needle is provided under the negative electrode aluminum foil, one surface with burr is contacted with a foil surface of the negative electrode aluminum foil, a layer of electrolytic papers are respectively arranged between the positive electrode aluminum foil and the negative electrode aluminum foil and under the positive electrode aluminum foil, a surface without burr of the positive guide needle is contacted with the electrolytic papers, the positive guide needle and the negative guide needle are back to back, burrs of the two guide needles are face to face, the aluminum electrolytic capacitor is prepared according to the common process. The invention has advantages that the guide pin aluminum tongue burr can not transpierce the electrolytic papers and can reduce the burr point discharge phenomenon, thereby extending life of the product and greatly reducing the product middle-period invalidation phenomenon.
Description
Technical field
The present invention relates to a kind of manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon, belong to the manufacturing process of aluminum electrolytic capacitor technical field.
Background technology
At present, in existing aluminium electrolytic capacitor production technology, as shown in Figure 1, the tongue that the tongue of its positive guide pin 6 is located at top, the negative guide pin 5 of anodal aluminium foil 1 be located at negative pole aluminium foil 2 below, between anodal aluminium foil 1, the negative pole aluminium foil 2 and be respectively equipped with one deck electrolytic paper 3 below the anodal aluminium foil 1, the big burr of marginal existence of one side is arranged and another side does not almost have burr at the aluminium tongue of positive guide pin 6, negative guide pin 5, when the guide pin burr touched electrolytic paper, burr may pierce through electrolytic paper and cause short circuit to puncture; And the point discharge effect will take place in guide pin burr place under the "on" position, and partial breakdown perhaps appears in product or early failure occurs when using mid-term, cause life of product can't reach re-set target.
Summary of the invention
The purpose of this invention is to provide a kind of manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon.
For realizing above purpose, technical scheme of the present invention provides a kind of manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon, it is characterized in that,
The first step, at first positive guide pin and negative guide pin are selected face, with the tongue of positive guide pin be located at anodal aluminium foil below, jagged one side contacts with the paper tinsel face of anodal aluminium foil, with the tongue of negative guide pin be located at the negative pole aluminium foil above, jagged one side contacts with the paper tinsel face of negative pole aluminium foil, be respectively equipped with one deck electrolytic paper between anodal aluminium foil, the negative pole aluminium foil and below the positive guide pin, the positive carrot-free one side of guide pin contacts with electrolytic paper, positive guide pin and negative guide pin back-to-back, the burr of two guide pins is face-to-face;
In second step, technology is reeled anodal aluminium foil, negative pole aluminium foil and electrolytic paper routinely, and impregnation is placed in the band bottom tube shape aluminum hull, with rubber plug sealed aluminum shell opener, makes aluminium electrolytic capacitor.
Earlier guide pin is selected face before being put into guide pin on the aluminium foil paper tinsel face, the one side that guide pin aluminium tongue is jagged contacts with positive and negative aluminium foil paper tinsel face and carrot-free one side contacts with electrolytic paper, thereby stopped the possibility that the guide pin burr pierces through electrolytic paper, reduced point discharge phenomenon simultaneously.
Advantage of the present invention is that guide pin aluminium tongue burr can not pierce through electrolytic paper and reduce the burr point discharge phenomenon, thereby has prolonged life of product and significantly reduced product failure phenomenon in mid-term.Through test, the short circuit puncture rate that is caused by positive and negative guide pin burr is reduced to 0ppm by original 0.2%, and product prolongs 10% useful life, and product failure rate in mid-term drops to 1pp by 20ppm.
Description of drawings
Fig. 1 is the aluminium electrolytic capacitor structural representation;
Fig. 2 is embodiment 1 schematic diagram of fabrication technology of the present invention;
Fig. 3 is embodiment 2 schematic diagram of fabrication technology of the present invention;
Fig. 4 is embodiment 3 schematic diagram of fabrication technology of the present invention;
Fig. 5 is embodiment 4 schematic diagram of fabrication technology of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, be the aluminium electrolytic capacitor structural representation, a kind of manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon is:
The first step, as shown in Figure 2, at first positive guide pin 6 and negative guide pin 5 are selected face, with the tongue of positive guide pin 6 be located at anodal aluminium foil 1 below, jagged 4 one side contacts with the paper tinsel face of anodal aluminium foil 1, with the tongue of negative guide pin 5 be located at negative pole aluminium foil 2 above, jagged 4 one side contacts with the paper tinsel face of negative pole aluminium foil 2, be respectively equipped with one deck electrolytic paper 3 between anodal aluminium foil 1, the negative pole aluminium foil 2 and below the positive guide pin 6, positive guide pin 6 carrot-free one sides contact with electrolytic paper 3, positive guide pin 6 and negative guide pin 5 back-to-back, the burr 4 of two guide pins is face-to-face;
In second step, technology is reeled anodal aluminium foil 1, negative pole aluminium foil 2 and electrolytic paper 3 routinely, and impregnation is placed in the band bottom tube shape aluminum hull, with rubber plug sealed aluminum shell opener, makes aluminium electrolytic capacitor.
As shown in Figure 3, be embodiment 2 schematic diagram of fabrication technology of the present invention, a kind of manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon is:
The first step, at first positive guide pin 6 and negative guide pin 5 are selected face, with the tongue of positive guide pin 6 be located at anodal aluminium foil 1 below, jagged one side contacts with the paper tinsel face of anodal aluminium foil 1, with the tongue of negative guide pin 5 be located at negative pole aluminium foil 2 above, jagged one side contacts with the paper tinsel face of negative pole aluminium foil 2, between anodal aluminium foil 1, the negative pole aluminium foil 2 and positive guide pin 6 below be respectively equipped with one deck electrolytic paper 3, positive guide pin 6 contacts with electrolytic paper 3 respectively with negative guide pin 5 carrot-free one sides, positive guide pin 6 and negative guide pin 5 are up equidirectional, and the burr 4 of two guide pins is face-to-face.
Second step is the same with embodiment 1.
As shown in Figure 4, be embodiment 3 schematic diagram of fabrication technology of the present invention, a kind of manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon is:
The first step, at first positive guide pin 6 and negative guide pin 5 are selected face, with the tongue of positive guide pin 6 be located at anodal aluminium foil 1 below, jagged one side contacts with the paper tinsel face of anodal aluminium foil 1, with the tongue of negative guide pin 5 be located at negative pole aluminium foil 2 above, jagged one side contact with the paper tinsel face of negative pole aluminium foil 2, between anodal aluminium foil 1, the negative pole aluminium foil 2 and just guide pin 6 below be respectively equipped with one deck electrolytic paper 3, positive guide pin 6 and negative guide pin 5 are face-to-face, and the burr 4 of two guide pins is face-to-face.
Second step is the same with embodiment 1.
As shown in Figure 5, be embodiment 4 schematic diagram of fabrication technology of the present invention, a kind of manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon is:
The first step, at first positive guide pin 6 and negative guide pin 5 are selected face, with the tongue of positive guide pin 6 be located at anodal aluminium foil 1 below, jagged one side contacts with the paper tinsel face of anodal aluminium foil 1, with the tongue of negative guide pin 5 be located at negative pole aluminium foil 2 above, jagged one side contacts with the paper tinsel face of negative pole aluminium foil 2, between anodal aluminium foil 1, the negative pole aluminium foil 2 and positive guide pin 6 below be respectively equipped with one deck electrolytic paper 3, negative guide pin 5 carrot-free one sides contact with electrolytic paper 3 respectively, positive guide pin 6 and negative guide pin 5 are down equidirectional, and the burr 4 of two guide pins is face-to-face.
Second step is the same with embodiment 1.
Claims (1)
1. a manufacturing process of aluminum electrolytic capacitor that reduces point discharge phenomenon is characterized in that,
The first step, at first positive guide pin (6) and negative guide pin (5) are selected face, with the tongue of positive guide pin (6) be located at anodal aluminium foil (1) below, the one side of jagged (4) contacts with the paper tinsel face of anodal aluminium foil (1), the tongue that to bear guide pin (5) be located at negative pole aluminium foil (2) above, the one side of jagged (4) contacts with the paper tinsel face of negative pole aluminium foil (2), anodal aluminium foil (1), be respectively equipped with one deck electrolytic paper (3) between the negative pole aluminium foil (2) and below the positive guide pin (6), the positive carrot-free one side of guide pin (6) contacts with electrolytic paper (3), positive guide pin (6) and negative guide pin (5) back-to-back, the burr of two guide pins (4) is face-to-face;
In second step, technology is reeled anodal aluminium foil (1), negative pole aluminium foil (2) and electrolytic paper (3) routinely, and impregnation is placed in the band bottom tube shape aluminum hull, with rubber plug sealed aluminum shell opener, makes aluminium electrolytic capacitor;
In the perhaps described first step, positive guide pin (6) contacts with electrolytic paper (3) respectively with the carrot-free one side of negative guide pin (5), and positive guide pin (6) and negative guide pin (5) are up equidirectional, and the burr of two guide pins (4) is face-to-face;
In the perhaps described first step, positive guide pin (6) and negative guide pin (5) are face-to-face, and the burr of two guide pins (4) is face-to-face;
In the perhaps described first step, positive guide pin (6) contacts with electrolytic paper (3) respectively with the carrot-free one side of negative guide pin (5), and positive guide pin (6) and negative guide pin (5) are down equidirectional, and the burr of two guide pins (4) is face-to-face.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102010515A CN101369491B (en) | 2008-10-10 | 2008-10-10 | Manufacturing process of aluminum electrolytic capacitor for reducing point discharge phenomenon |
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| CN2008102010515A CN101369491B (en) | 2008-10-10 | 2008-10-10 | Manufacturing process of aluminum electrolytic capacitor for reducing point discharge phenomenon |
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| CN101369491A CN101369491A (en) | 2009-02-18 |
| CN101369491B true CN101369491B (en) | 2011-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108183030A (en) * | 2017-12-25 | 2018-06-19 | 谢小坚 | A kind of high-precision capacitor structure and its manufacturing method |
| CN110853926B (en) * | 2019-11-15 | 2022-08-19 | 益阳市宜兴电子有限公司 | Aluminum electrolytic capacitor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308981C (en) * | 2004-06-04 | 2007-04-04 | 王安安 | An aluminum electrolytic capacitor and method for manufacturing same |
| CN200986861Y (en) * | 2006-12-19 | 2007-12-05 | 东莞市东阳光电容器有限公司 | Aluminium electrolysis capacitor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308981C (en) * | 2004-06-04 | 2007-04-04 | 王安安 | An aluminum electrolytic capacitor and method for manufacturing same |
| CN200986861Y (en) * | 2006-12-19 | 2007-12-05 | 东莞市东阳光电容器有限公司 | Aluminium electrolysis capacitor |
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Address after: 201406, No. 258, light Village Road, Yang Gong Industrial Zone, South Bridge Town, Shanghai, Fengxian District Patentee after: Shanghai Yongming electronic Limited by Share Ltd Address before: 201406, No. 258, light Village Road, Yang Gong Industrial Zone, South Bridge Town, Shanghai, Fengxian District Patentee before: Shanghai Yongming Electronic Co., Ltd. |
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