CN102646519A - Low-carbon environment-friendly long-service-life aluminium electrolytic capacitor - Google Patents
Low-carbon environment-friendly long-service-life aluminium electrolytic capacitor Download PDFInfo
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- CN102646519A CN102646519A CN201210086658XA CN201210086658A CN102646519A CN 102646519 A CN102646519 A CN 102646519A CN 201210086658X A CN201210086658X A CN 201210086658XA CN 201210086658 A CN201210086658 A CN 201210086658A CN 102646519 A CN102646519 A CN 102646519A
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Abstract
The invention discloses a low-carbon environment-friendly long-service-life aluminium electrolytic capacitor. The aluminium electrolytic capacitor is provided with an aluminium shell and wraps a capacitor element which is wound iteratively by an anode aluminium foil, electrolytic paper, a cathode aluminium foil and electrolytic paper and is impregnated in electrolyte; the aluminium shell is sealed by using sealing rubber; a positive wire is riveted on the anode aluminium foil; a negative wire is riveted on the cathode aluminium foil, wherein a layer of cathode foil is added at the negative wire as an attached foil in a covering manner; and the thickness of the attached foil is 40+/-4mum, the thickness of the cathode aluminium foil is 30+/-3mum, and the width of the attached foil is narrower than that of the cathode aluminium foil by 0.5mm-1mm. The positions of cutting openings of the anode aluminium foil, the cathode aluminium foil and the attached foil are prevented from being coincided with aluminium tongue parts of the positive wire and the negative wire when a core bag is wound. The aluminium electrolytic capacitor disclosed by the invention has the advantages that the capability of the electrolysis for bearing ripple current under the high-frequency state can be improved, simultaneously, the impedance of electrolysis under the high-frequency state is further reduced, and the service life of a product is prolonged.
Description
Technical field
The present invention relates to a kind of electrolytic capacitor, particularly a kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor.
Background technology
The inner universal design of its fuse of aluminium electrolytic capacitor is configured to: positive wire is riveted on the anode aluminium foil; Negative wire is riveted on the cathode aluminum foil; Through the inside fuse of winding process with anode aluminium foil, electrolytic paper, the overlapping coiling formation of cathode aluminum foil aluminium electrolytic capacitor, this structure is fit to the aluminium electrolytic capacitor of common energy-saving lamp and other field needs then, but the scope of application of electricity-saving lamp is more and more wider at present; Environment for use is more and more abominable; Life requirements is increasingly high, and therefore also increasingly high to the performance requirement of the main components and parts aluminium electrolytic capacitor of electricity-saving lamp, the internal structure of above-mentioned electrolysis can not adapt to the long-life energy-saving lamp and use needs; Particularly in high-frequency circuit, can not bear bigger ripple current; Be prone to cause early stage electrolysis aluminium foil burn into heating to strengthen, the pucking that finally produces electrolysis is bad, causes product early failure.
Summary of the invention
The object of the present invention is to provide a kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor, overcome above-mentioned shortcoming, improve reliability of products and useful life.
The objective of the invention is to realize: a kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor through following technical measures; Has an aluminum hull; Parcel is by the capacitor element of anode aluminium foil, electrolytic paper, cathode aluminum foil, electrolytic paper overlapping coiling impregnation electrolyte, and the aluminum hull openend seals with seal, and riveted joint has positive wire on the anode aluminium foil; Riveted joint has negative wire on the cathode aluminum foil; Wherein: said negative wire place adds the lid layer Cathode Foil as foliation, and the foliation width is than cathode aluminum foil narrow width 0.5mm ~ 1mm, and its effect is to improve ripple current is born in electrolysis under the high frequency state ability; Further reduce the impedance of electrolysis under the high frequency state simultaneously, increase the useful life of product; Said positive wire is riveted on the centre position of anode aluminium foil, and negative wire is riveted on the centre position of cathode aluminum foil.
The thickness of said foliation is 40 ± 4 μ m, and the thickness of said cathode aluminum foil is 30 ± 3 μ m.
The otch of said anode aluminium foil does not overlap with positive wire aluminium tongue position; The otch of cathode aluminum foil and foliation does not overlap with negative wire aluminium tongue position; This structure Design avoids effectively that otch overlaps with electrolytic paper in aluminium tongue position; Cause electrolytic paper injured, punch-through appears in product when normal temperature, high temperature ageing.
Said positive wire is riveted on the anode aluminium foil; As anode aluminium foil length of a film≤80mm; Positive wire is riveted on the centre position of anode aluminium foil, if anode aluminium foil length of a film>=80mm, then the riveted joint position of lead-in wire is set by 40 ± 2mm and (promptly riveted the position and be involved in end 40 ± 2mm) apart from fuse; Negative wire is riveted on the position of cathode aluminum foil, needs to guarantee that the center distance of positive and negative lead-out wire is consistent with the rubber stopper center distance.Riveted joint petal size evenly, it is total 3/4 that the outward appearance shape that assumes diamond in shape, the petal number on the lead-in wire aluminium tongue should surpass, and each riveting point has a petal at least.During riveted joint according to the gauge size of used lead-in wire; Select the suitable riveted joint pin of size; Control the position of petal on lead-in wire aluminium tongue through the position, the left and right sides of riveting pin on the adjustment riveted joint needle mould; Upper-lower position through adjustment riveting pin is controlled the grip of petal, and then reaches the purpose of control petal shape size and product loss; Through the riveting pin on the adjustment riveted joint needle mould, make four petals of riveted joint petal assume diamond in shape, the petal size is evenly; Do not have obvious petal and lack, guarantee that wherein the size of at least three petals is consistent, after aluminium foil is peeled off; Petal number on the lead-in wire aluminium tongue should surpass total 3/4; And each riveting point has a petal at least, makes electrolysis loss control in aging and use in minimum zone, guarantee the useful life of product.
Beneficial effect of the present invention:
(1), the negative wire place adds the lid layer Cathode Foil as foliation, can improve ripple current is born in electrolysis under the high frequency state ability, further reduces the impedance of electrolysis under the high frequency state, the useful life of increase product simultaneously.
(2), anode aluminium foil otch, cathode aluminum foil otch, foliation incision site the core winding around the time avoid overlapping with positive wire and negative wire aluminium tongue position; This structure Design avoids effectively that otch overlaps with electrolytic paper in aluminium tongue position; Cause electrolytic paper injured, punch-through appears in product when normal temperature, high temperature ageing.
(3), positive wire is riveted on the centre position of anode aluminium foil; Negative wire is riveted on the centre position of cathode aluminum foil; Parameter such as spacing between the petal of the riveted joint upper-lower position of control lead-in wire, riveted joint size, riveted joint petal simultaneously; Make electrolysis loss control in aging and use in minimum zone, guarantee the useful life of product.
Description of drawings
Fig. 1: aluminium electrolytic capacitor structural representation;
Fig. 2: aluminium electrolytic capacitor lead-in wire riveted joint sketch map;
Fig. 3: aluminium electrolytic capacitor cathode aluminum foil foliation sketch map;
The aluminium electrolytic capacitor lead-in wire riveted joint location drawing among Fig. 4: the embodiment 1, the concrete data of A, C, D are seen table 3;
Wherein: 1-lead-out wire, 2-seal, 3-aluminum hull, 4-anode aluminium foil, 5-cathode aluminum foil, 6-electrolytic paper, 7-foliation.
Embodiment
Below in conjunction with accompanying drawing the present invention is done explanation further.
A kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor aluminium electrolytic capacitor has an aluminum hull 3, and parcel is by the capacitor element of anode aluminium foil 4, electrolytic paper 6, cathode aluminum foil 5, electrolytic paper 6 overlapping coiling impregnation electrolyte; Aluminum hull 3 openends are with seal 2 sealings; Riveted joint has positive wire on the anode aluminium foil 4, and riveted joint has negative wire, negative wire place to add the lid layer Cathode Foil as foliation 7 on the cathode aluminum foil 5; The thickness of foliation 7 is 40 μ m; The thickness of cathode aluminum foil 5 is 30 μ m, and foliation 7 width are than cathode aluminum foil 5 narrow width 0.5mm ~ 1mm, with the aluminium electrolytic capacitor of band foliation structure with not doing experiment of high-temperature load and storage test respectively with the foliation structure; The result is shown in table 1 and table 2; Can find out that from table 1 and table 2 increasing the foliation structure can improve ripple current is born in electrolysis under the high frequency state ability, further reduce the impedance of electrolysis under the high frequency state simultaneously, increase the useful life of product; The otch of anode aluminium foil 4 does not overlap with positive wire aluminium tongue position, and the otch of cathode aluminum foil 5 and foliation 7 does not overlap with negative wire aluminium tongue position.This structure Design avoids effectively that otch overlaps with electrolytic paper in aluminium tongue position, causes electrolytic paper injured, and punch-through appears in product when normal temperature, high temperature ageing.
The setting of riveted joint position: anode length of a film≤80mm; Lead-in wire is riveted on the centre position of anode aluminium foil 4; If product anode length of a film>=80mm, then the riveted joint position of lead-in wire is set by 40 ± 2mm and (is promptly riveted the position and be involved in the position that end 40 ± 2mm) negative wires are riveted on cathode aluminum foil 5 apart from fuse, need to guarantee that the center distance of positive and negative lead-out wire is consistent with leather point hole center distance; Petal size evenly, the outward appearance shape that assumes diamond in shape; After aluminium foil was peeled off, it is total 3/4 that the petal number on the lead-in wire aluminium tongue should surpass, and each riveting point has a petal at least; During riveted joint according to the gauge size of used lead-in wire; Select the suitable riveted joint pin of size, control the position of petal on lead-in wire aluminium tongue, control the grip of petal through the upper-lower position of adjustment riveting pin through the position, the left and right sides of riveting pin on the adjustment riveted joint needle mould; Concrete riveted joint location parameter is seen table 3, and then reaches the purpose of control petal shape size and product loss; Through the riveting pin on the adjustment riveted joint needle mould; Make four petals of riveted joint petal assume diamond in shape, the petal size does not evenly have obvious petal and lacks; Guarantee that wherein the size of at least three petals is consistent; Make electrolysis loss control in aging and use in minimum zone, guarantee the useful life of product, the aluminium electrolytic capacitor of material of the same race, same process, model of the same race, specification of the same race is riveted petal in emphasis contrast with the lossy data of not paying attention to riveting under the petal state; Data are seen table; 4 with table 5, from table 4 and table 5, can find out the aluminium electrolytic capacitor of paying attention to riveted joint petal state can make electrolysis in aging and use loss control in minimum zone, the useful life of prolongation product.
Table 1: band foliation structure with not with the experiment of high-temperature load result of the aluminium electrolytic capacitor of foliation structure
Table 2: band foliation structure with not with the storage result of the test of the aluminium electrolytic capacitor of foliation structure
Table 3: riveted joint location parameter
Table 4: aluminium electrolytic capacitor contrasts with the lossy data of not paying attention to riveting the petal state under paying attention to the riveted joint petal, wherein: test products model: CD264E-A, specification: 400V5.6, shell number: 12*20, test environment: 85 ℃
Table 5: aluminium electrolytic capacitor contrasts with the lossy data of not paying attention to riveting the petal state under paying attention to the riveted joint petal, wherein: test products model: CD264E-A, specification: 200V10, shell number: 10*16, test environment: 85 ℃
Claims (5)
1. low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor; Have an aluminum hull (3), parcel is by the capacitor element of anode aluminium foil (4), electrolytic paper (6), cathode aluminum foil (5), electrolytic paper (6) overlapping coiling impregnation electrolyte, and aluminum hull (3) openend seals with seal (2); Anode aluminium foil (4) is gone up riveted joint has positive wire; Cathode aluminum foil (5) is gone up riveted joint has negative wire, and it is characterized in that: said negative wire place adds the lid layer Cathode Foil as foliation (7), and foliation (7) width is than cathode aluminum foil (5) narrow width 0.5mm ~ 1mm; Said positive wire is riveted on the centre position of anode aluminium foil (4), and negative wire is riveted on the centre position of cathode aluminum foil (5).
2. a kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor according to claim 1 is characterized in that: the thickness of said foliation (7) is 40 ± 4 μ m, and the thickness of said cathode aluminum foil (5) is 30 ± 3 μ m.
3. a kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor according to claim 1; It is characterized in that: the otch of said anode aluminium foil (4) does not overlap with positive wire aluminium tongue position, and the otch of cathode aluminum foil (5) and foliation (7) does not overlap with negative wire aluminium tongue position.
4. a kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor according to claim 1; It is characterized in that: said positive wire is riveted on the anode aluminium foil (4); Riveted joint petal size evenly; It is total 3/4 that the outward appearance shape that assumes diamond in shape, the petal number on the lead-in wire aluminium tongue should surpass, and each riveting point has a petal at least.
5. a kind of low-carbon environment-friendly superhigh temperature long life aluminum electrolytic capacitor according to claim 1; It is characterized in that: said negative wire is riveted on the cathode aluminum foil (5); Riveted joint petal size evenly; It is total 3/4 that the outward appearance shape that assumes diamond in shape, the petal number on the lead-in wire aluminium tongue should surpass, and each riveting point has a petal at least.
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| CN201210086658XA CN102646519A (en) | 2012-03-29 | 2012-03-29 | Low-carbon environment-friendly long-service-life aluminium electrolytic capacitor |
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| CN201210086658XA CN102646519A (en) | 2012-03-29 | 2012-03-29 | Low-carbon environment-friendly long-service-life aluminium electrolytic capacitor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680980A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 400 V electrolytic capacitor and production technology thereof |
| CN103680985A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 200V electrolytic capacitor and production process thereof |
| CN107680812A (en) * | 2017-11-09 | 2018-02-09 | 益阳市万京源电子有限公司 | A kind of small size solid-state aluminum electrolytic capacitor nail volume structure |
| CN108899208A (en) * | 2018-06-28 | 2018-11-27 | 常州华威电子有限公司 | A kind of contracting body paster electrolytic capacitor of super-low impedance and preparation method thereof |
| CN110189923A (en) * | 2019-06-27 | 2019-08-30 | 肇庆绿宝石电子科技股份有限公司 | A kind of double electric layers supercapacitor core and supercapacitor |
| CN112927936A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | High-voltage large-capacity aluminum electrolytic capacitor and nailing device for producing same |
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| CN201233811Y (en) * | 2008-05-09 | 2009-05-06 | 黄海荣 | Aluminum electrolysis capacitor |
| CN101604579A (en) * | 2008-06-13 | 2009-12-16 | 万裕三信电子(东莞)有限公司 | Lead wire type aluminum electrolytic capacitor |
| CN102222569A (en) * | 2011-03-31 | 2011-10-19 | 肇庆绿宝石电子有限公司 | Long-life aluminum electrolytic capacitor and manufacturing method thereof |
| CN202167359U (en) * | 2011-06-24 | 2012-03-14 | 南通海立电子有限公司 | Novel aluminum electrolysis capacitor |
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2012
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| CN101604579A (en) * | 2008-06-13 | 2009-12-16 | 万裕三信电子(东莞)有限公司 | Lead wire type aluminum electrolytic capacitor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680980A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 400 V electrolytic capacitor and production technology thereof |
| CN103680985A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 200V electrolytic capacitor and production process thereof |
| CN103680980B (en) * | 2013-12-25 | 2016-07-06 | 佛山市高明区利明电子有限公司 | A kind of 400V electrolysis condenser and production technology thereof |
| CN103680985B (en) * | 2013-12-25 | 2016-12-07 | 佛山市高明区利明电子有限公司 | A kind of 200V electrolysis condenser and production technology thereof |
| CN107680812A (en) * | 2017-11-09 | 2018-02-09 | 益阳市万京源电子有限公司 | A kind of small size solid-state aluminum electrolytic capacitor nail volume structure |
| CN108899208A (en) * | 2018-06-28 | 2018-11-27 | 常州华威电子有限公司 | A kind of contracting body paster electrolytic capacitor of super-low impedance and preparation method thereof |
| CN108899208B (en) * | 2018-06-28 | 2023-10-31 | 常州华威电子有限公司 | Ultra-low-impedance compact patch electrolytic capacitor and preparation method thereof |
| CN110189923A (en) * | 2019-06-27 | 2019-08-30 | 肇庆绿宝石电子科技股份有限公司 | A kind of double electric layers supercapacitor core and supercapacitor |
| CN112927936A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | High-voltage large-capacity aluminum electrolytic capacitor and nailing device for producing same |
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Application publication date: 20120822 |