CN102629518A - Aluminum electrolysis capacitor and manufacture method of aluminum electrolysis capacitor - Google Patents
Aluminum electrolysis capacitor and manufacture method of aluminum electrolysis capacitor Download PDFInfo
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- CN102629518A CN102629518A CN2012101357750A CN201210135775A CN102629518A CN 102629518 A CN102629518 A CN 102629518A CN 2012101357750 A CN2012101357750 A CN 2012101357750A CN 201210135775 A CN201210135775 A CN 201210135775A CN 102629518 A CN102629518 A CN 102629518A
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Abstract
The invention relates to an aluminum electrolysis capacitor, which comprises a casing and a case cover, wherein the casing is in a cylindrical shape, an anode binding post and a cathode binding post are arranged on the case cover, a coiled aluminum foil is arranged in the casing and consists of five paper layers, two cathode aluminum foil layers and two anode aluminum foil layers at intervals, two anode foil strips and two cathode foil strips are formed in the middle of the aluminum foil through cold riveting, the four foil strips are in adjacent arrangement, the two anode foil strips are communicated with the anode binding post, the two cathode foils trips are communicated with the cathode binding post, and the cold riveting part of each foils strip and the foil layer is respectively covered with a protection foil layer or a protection paper layer. A manufacture method of the aluminum electrolysis capacitor comprises the steps of split cutting, cold riveting and covering and coiling, immersing, assembling, aging and test, wherein the cold riveting and covering and coiling step mainly comprises the step of covering the protection foil layer or the protection paper layer on each cold riveting part. The aluminum electrolysis capacitor has the advantages that the impedance is small, the heat radiation effect is good, and the service life is long.
Description
Technical field
The present invention relates to a kind of aluminium electrolytic capacitor that is used for frequency converter, electric welding machine, particularly a kind of aluminium electrolytic capacitor and manufacturing approach thereof.
Background technology
At present; Aluminium foil in the present aluminium electrolytic capacitor is followed successively by ply of paper, cathode aluminum foil layer, ply of paper, anode aluminium foil layer, ply of paper from the bottom up; Anode chaff and negative electrode chaff are to communicate with anode and negative electrode respectively with the form of connecting, and the impedance meeting that produces like this is relatively large; Anode chaff and negative electrode chaff all are that the mode through cold riveting is riveted on anode aluminium foil and the cathode aluminum foil, have corner angle in riveted joint place, and the easy like this ply of paper that damages by pressure can cause capacitor short-circuit; Because the width of ply of paper and aluminium foil layer is consistent, radiating effect is bad, has influenced useful life.
Summary of the invention
The objective of the invention is in order to overcome above deficiency, provide that a kind of impedance is little, the aluminium electrolytic capacitor of good heat dissipation effect, long service life.
The object of the invention is realized through following technical scheme: a kind of aluminium electrolytic capacitor, comprise housing and cap, and housing is cylindrical; Cap is provided with anode terminal and cathode terminal; Be provided with the aluminium foil that rolls in the housing, aluminium foil is followed successively by first ply of paper, the first cathode aluminum foil layer, second ply of paper, first anode aluminium foil layer, the 3rd ply of paper, the second cathode aluminum foil layer, the 4th ply of paper, second plate aluminium foil layer, the 5th ply of paper from top to bottom, in the cold riveting of the middle part of aluminium foil two anode chafves and two negative electrode chafves is arranged; Four adjacent settings of chaff; Wherein the cold riveting of an anode chaff is on first anode aluminium foil layer, and another root anode chaff cold riveting is on the second plate aluminium foil layer, and two anode chafves communicate with anode terminal; Wherein the cold riveting of a negative electrode chaff is on the first cathode aluminum foil layer; Another root negative electrode chaff cold riveting is on the second cathode aluminum foil layer, and two negative electrode chafves communicate with cathode terminal, and cold riveting place of every chaff and paper tinsel layer all is coated with layer of protecting paper tinsel layer or protection ply of paper.
Further improvement of the present invention is: the width of every layer of ply of paper is all wide than the width of every layer of anode aluminium foil layer, and an end of every layer of cathode aluminum foil layer flushes with an end of anode aluminium foil layer, and the other end of every layer of cathode aluminum foil layer is longer than ply of paper.
Further improvement of the present invention is: the distance between every chaff is 20-30mm.
A kind of manufacturing approach of aluminium electrolytic capacitor, it comprises cuts-cold riveting and winding-oven dry-impregnation-assembling-aging-testing procedure.
Further improvement of the present invention is: this step of cold riveting and winding comprises: with the cold riveting of an anode chaff on first anode aluminium foil layer; With another root anode chaff cold riveting on the second plate aluminium foil layer; With the cold riveting of a negative electrode chaff on the first cathode aluminum foil layer; Another root negative electrode chaff cold riveting on the second cathode aluminum foil layer, after every chaff and the cold riveting of paper tinsel layer are good, is covered layer of protecting paper tinsel layer or protection ply of paper in each cold riveting place.
The present invention compared with prior art has the following advantages:
1, draw two anode chafves and two negative electrode chafves on the aluminium foil, anode chaff and a negative electrode chaff and another root anode chaff and another root negative electrode chaff are that the mode through parallel connection links to each other, and the impedance of capacitor is little like this;
2, draw chaff in the centre position of aluminium foil, capacitor ability high frequency like this, the ability of bearing ripple current has improved, and has also prolonged useful life simultaneously;
3, the other end of every layer of cathode aluminum foil layer is longer than ply of paper, is exposed, and helps heat radiation like this;
4, all be coated with layer of protecting paper tinsel layer in cold riveting place, on the protective foil layer, be coated with the protection ply of paper again, prevent that the corner angle of riveted joint place from piercing through the short circuit that ply of paper causes, prolonged useful life;
5, baking operation can reduce moisture content and other impurity of enclosure interior, helps prolonging the life-span of product.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 rolls the cutaway view that aluminium foil launches;
Label among the figure: 1-housing, 2-cap, 3-anode terminal, 4-cathode terminal, 5-first ply of paper, the 6-first cathode aluminum foil layer, 7-second ply of paper, 8-first anode aluminium foil layer, 9-the 3rd ply of paper, the 10-second cathode aluminum foil layer, 11-the 4th ply of paper, 12-second plate aluminium foil layer, 13-the 5th ply of paper, 14-anode chaff, 15-negative electrode chaff, 16-protective foil layer or protection ply of paper.
Embodiment:
In order to deepen to understanding of the present invention, will combine embodiment and accompanying drawing that the present invention is made further detailed description below, this embodiment only is used to explain the present invention, does not constitute the qualification to protection range of the present invention.
Show a kind of execution mode of aluminium electrolytic capacitor of the present invention like Fig. 1 and Fig. 2, comprise housing 1 and cap 2, housing 1 is cylindrical; Cap 2 is provided with anode terminal 3 and cathode terminal 4, is provided with the aluminium foil that rolls in the housing 1, and aluminium foil is followed successively by first ply of paper 5, the first cathode aluminum foil layer 6, second ply of paper 7, first anode aluminium foil layer 8, the 3rd ply of paper 9, the second cathode aluminum foil layer 10, the 4th ply of paper 11, second plate aluminium foil layer 12, the 5th ply of paper 13 from top to bottom; The width of every layer of ply of paper is all wide than the width of every layer of anode aluminium foil layer, and an end of every layer of cathode aluminum foil layer flushes with an end of anode aluminium foil layer, and the other end of every layer of cathode aluminum foil layer is longer than ply of paper; The other end of every layer of cathode aluminum foil layer places the bottom of housing, is beneficial to heat radiation like this, in the cold riveting of the middle part of aluminium foil two anode chafves 14 and two negative electrode chafves 15 is arranged; Four adjacent settings of chaff; Distance between every chaff is 20-30mm, capacitor ability high frequency like this, and the ability of bearing ripple current has improved; Simultaneously also prolonged useful life; Wherein anode chaff 14 cold rivetings are on first anode aluminium foil layer 8, and another root anode chaff 14 cold rivetings are on second plate aluminium foil layer 12, and two anode chafves 14 communicate with anode terminal 3; Wherein negative electrode chaff 15 cold rivetings are on the first cathode aluminum foil layer 6; Another root negative electrode chaff 15 cold rivetings are on the second cathode aluminum foil layer 10, and two negative electrode chafves 15 communicate with cathode terminal 4, and cold riveting place of every chaff and paper tinsel layer all is coated with layer of protecting paper tinsel layer or protection ply of paper 16.
A kind of manufacturing approach of aluminium electrolytic capacitor; It comprises cuts-cold riveting and winding-impregnation-assembling-aging-testing procedure; Wherein this step of cold riveting and winding comprises: with anode chaff 14 cold rivetings on first anode aluminium foil layer 8; With another root anode chaff 14 cold rivetings on second plate aluminium foil layer 12, with negative electrode chaff 15 cold rivetings on the first cathode aluminum foil layer 6, with another root negative electrode chaff 15 cold rivetings on the second cathode aluminum foil layer 10; After every chaff and the cold riveting of paper tinsel layer are good, cover layer of protecting paper tinsel layer or protection ply of paper 16 in each cold riveting place.
Draw two anode chafves and two negative electrode chafves on the aluminium foil, two capacitors of formation are continuous through the mode of parallel connection, and the impedance of capacitor is little like this; Chaff is drawn in centre position at aluminium foil, capacitor ability high frequency like this, and the ability of bearing ripple current has improved, and has also prolonged useful life simultaneously; The other end of every layer of cathode aluminum foil layer is longer than ply of paper, is exposed, and helps heat radiation like this; All be coated with layer of protecting paper tinsel layer or protection ply of paper in cold riveting place, prevent that the corner angle of riveted joint place from piercing through the short circuit that ply of paper causes, prolonged useful life.
Claims (5)
1. aluminium electrolytic capacitor; Comprise housing (1) and cap (2); Said housing (1) is cylindrical; Said cap (2) is provided with anode terminal (3) and cathode terminal (4); It is characterized in that: said housing is provided with the aluminium foil that rolls in (1); Said aluminium foil is followed successively by first ply of paper (5), the first cathode aluminum foil layer (6), second ply of paper (7), first anode aluminium foil layer (8), the 3rd ply of paper (9), the second cathode aluminum foil layer (10), the 4th ply of paper (11), second plate aluminium foil layer (12), the 5th ply of paper (13) from top to bottom; In the cold riveting of the middle part of said aluminium foil two anode chafves (14) and two negative electrode chafves (15) are arranged, four adjacent settings of said chaff, wherein a said anode chaff (14) cold riveting is on said first anode aluminium foil layer (8); The said anode chaff of another root (14) cold riveting is on said second plate aluminium foil layer (12); Two said anode chafves (14) communicate with said anode terminal (3), and wherein a said negative electrode chaff (15) cold riveting is on the said first cathode aluminum foil layer (6), and the said negative electrode chaff of another root (15) cold riveting is on the said second cathode aluminum foil layer (10); Two said negative electrode chafves (15) communicate with said cathode terminal (4), and cold riveting place of every said chaff and said paper tinsel layer all is coated with layer of protecting paper tinsel layer or protection ply of paper (16).
2. according to the said aluminium electrolytic capacitor of claim 1; It is characterized in that: the width of every layer of said ply of paper is all wide than the width of every layer of said anode aluminium foil layer; One end of every layer of said cathode aluminum foil layer flushes with an end of said anode aluminium foil layer, and the other end of every layer of said cathode aluminum foil layer is longer than said ply of paper.
3. according to the said aluminium electrolytic capacitor of claim 1, it is characterized in that: the distance between every said chaff is 20-30mm.
4. the manufacturing approach of an aluminium electrolytic capacitor is characterized in that: it comprises cuts-cold riveting and winding-oven dry-impregnation-assembling-aging-testing procedure.
5. according to the manufacturing approach of the said aluminium electrolytic capacitor of claim 4; It is characterized in that: this step of said cold riveting and winding comprises: with a said anode chaff (14) cold riveting on said first anode aluminium foil layer (8); With the said anode chaff of another root (14) cold riveting on said second plate aluminium foil layer (12); With a said negative electrode chaff (15) cold riveting on the said first cathode aluminum foil layer (6); The said negative electrode chaff of another root (15) cold riveting on the said second cathode aluminum foil layer (10), after every said chaff and the cold riveting of said paper tinsel layer are good, is covered layer of protecting paper tinsel layer or protection ply of paper (16) in each cold riveting place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101357750A CN102629518A (en) | 2012-05-04 | 2012-05-04 | Aluminum electrolysis capacitor and manufacture method of aluminum electrolysis capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101357750A CN102629518A (en) | 2012-05-04 | 2012-05-04 | Aluminum electrolysis capacitor and manufacture method of aluminum electrolysis capacitor |
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| CN102629518A true CN102629518A (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101357750A Pending CN102629518A (en) | 2012-05-04 | 2012-05-04 | Aluminum electrolysis capacitor and manufacture method of aluminum electrolysis capacitor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842429A (en) * | 2012-10-11 | 2012-12-26 | 南通星晨电子有限公司 | Aluminum electrolytic capacitor and manufacturing method thereof |
| CN103177877A (en) * | 2013-03-13 | 2013-06-26 | 何平洲 | High-temperature-resistant capacitor |
| CN105374557A (en) * | 2015-12-02 | 2016-03-02 | 益阳市格林电子元件有限公司 | Square laminated capacitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201036175Y (en) * | 2007-04-19 | 2008-03-12 | 朱健雄 | High-voltage aluminium electrolysis capacitance |
| CN101150014A (en) * | 2007-08-27 | 2008-03-26 | 上海永铭电子有限公司 | Aluminum electrolytic capacitor making process |
| CN201378520Y (en) * | 2009-03-26 | 2010-01-06 | 深圳江浩电子有限公司 | Aluminum electrolytic capacitor with high ripple current capability |
| CN201936751U (en) * | 2010-11-28 | 2011-08-17 | 珠海格力新元电子有限公司 | Novel aluminium electrolytic capacitor |
| CN102237201A (en) * | 2010-04-28 | 2011-11-09 | 王兴久 | Aluminum electrolytic capacitor applying high hydrous electrolyte and method for making aluminum electrolytic capacitor |
-
2012
- 2012-05-04 CN CN2012101357750A patent/CN102629518A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201036175Y (en) * | 2007-04-19 | 2008-03-12 | 朱健雄 | High-voltage aluminium electrolysis capacitance |
| CN101150014A (en) * | 2007-08-27 | 2008-03-26 | 上海永铭电子有限公司 | Aluminum electrolytic capacitor making process |
| CN201378520Y (en) * | 2009-03-26 | 2010-01-06 | 深圳江浩电子有限公司 | Aluminum electrolytic capacitor with high ripple current capability |
| CN102237201A (en) * | 2010-04-28 | 2011-11-09 | 王兴久 | Aluminum electrolytic capacitor applying high hydrous electrolyte and method for making aluminum electrolytic capacitor |
| CN201936751U (en) * | 2010-11-28 | 2011-08-17 | 珠海格力新元电子有限公司 | Novel aluminium electrolytic capacitor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842429A (en) * | 2012-10-11 | 2012-12-26 | 南通星晨电子有限公司 | Aluminum electrolytic capacitor and manufacturing method thereof |
| CN103177877A (en) * | 2013-03-13 | 2013-06-26 | 何平洲 | High-temperature-resistant capacitor |
| CN103177877B (en) * | 2013-03-13 | 2016-01-20 | 何平洲 | A kind of High-temperature-rescapacitor capacitor |
| CN105374557A (en) * | 2015-12-02 | 2016-03-02 | 益阳市格林电子元件有限公司 | Square laminated capacitor |
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Application publication date: 20120808 |