CN109390154A - A kind of core arrangement of aluminium electrolutic capacitor and preparation method thereof - Google Patents
A kind of core arrangement of aluminium electrolutic capacitor and preparation method thereof Download PDFInfo
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- CN109390154A CN109390154A CN201811358332.1A CN201811358332A CN109390154A CN 109390154 A CN109390154 A CN 109390154A CN 201811358332 A CN201811358332 A CN 201811358332A CN 109390154 A CN109390154 A CN 109390154A
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- aluminium foil
- foil layer
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 22
- 239000004411 aluminium Substances 0.000 title claims abstract description 19
- 239000003990 capacitor Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000005030 aluminium foil Substances 0.000 claims abstract description 69
- 238000005304 joining Methods 0.000 claims abstract description 41
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 30
- 238000003466 welding Methods 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 239000002360 explosive Substances 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 59
- 239000000047 product Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000011888 foil Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 241001484259 Lacuna Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/006—Apparatus or processes for applying terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/02—Machines for winding capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/145—Liquid electrolytic capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of core arrangements of aluminium electrolutic capacitor, including positive pole aluminium foil layer, cathode aluminium foil layer, first electrolysis paper layer, positive guide-joining plate and cathode guide-joining plate, it is described first electrolysis paper layer be located at it is described just, between cathode aluminium foil layer, the anode guide-joining plate is connect with the positive pole aluminium foil layer, the cathode guide-joining plate is connect with the cathode aluminium foil layer, it further include electrolytic paper liner, electrolytic paper liner be located at it is described just, between cathode aluminium foil layer, and described in corresponding to just, cathode guide-joining plate and it is described just, the junction of cathode aluminium foil layer, also disclose the preparation method of above-mentioned core arrangement.This invention removes security risks, conducive to the diffusion of guide-joining plate and aluminium foil layer junction heat, and caused adverse effect of generating heat at this can be diluted, performance stabilization high by aluminium electrolutic capacitor yields produced by the present invention, anti-short-circuit explosive effect are more excellent, and the service life is longer.
Description
Technical field
The present invention relates to aluminium electrolutic capacitor fields, and in particular to a kind of core arrangement and its preparation of aluminium electrolutic capacitor
Method.
Background technique
Aluminium electrolutic capacitor includes aluminum hull, sub-prime and pin, and sub-prime is encapsulated in the cavity of aluminum hull, and pin and sub-prime connect
It connects, leads to outside.Sub-prime includes positive pole aluminium foil, cathode aluminium foil, and the electrolytic paper between positive and negative anodes aluminium foil, the electrolytic paper
Traditional universal thinner thickness and be single layer, crosses guide-joining plate due to pin multi-pass and connect respectively with positive and negative anodes aluminium foil, traditional element
In sub- production technology, guide-joining plate multi-pass is crossed cold welding and is connect with aluminium foil, and the protrusion or burr at guide-joining plate are possible to pierce through electrolysis
Paper causes short circuit breakdown even to pop, and there is only security risks for this, also reduce the production qualification rate of product, can also make product
Performance becomes unstable.
In addition, since positive guide-joining plate is connect by cold welding with positive pole aluminium foil, when energization, electrification can occur for above-mentioned junction
It learns and reacts and generate a large amount of heat, these heat are difficult to quickly disperse, and the temperature of product different parts can be made inconsistent, this will affect
The stability of product, further shortens life of product.Therefore, it is necessary to be improved above-mentioned deficiency.
Summary of the invention
To overcome deficiencies of the prior art, the present invention provides a kind of core arrangement of aluminium electrolutic capacitor,
Can be avoided protrusion or burr at guide-joining plate and pierce through electrolytic paper leads to short circuit, and takes into account dissipating for guide-joining plate and aluminium foil junction
Heat, and can be achieved through the following technical solutions: a kind of core arrangement of aluminium electrolutic capacitor, including positive pole aluminium foil layer, cathode aluminium
Layers of foil, the first electrolysis paper layer, positive guide-joining plate and cathode guide-joining plate, the first electrolysis paper layer are located at the positive and negative electrode aluminium
Between layers of foil, the anode guide-joining plate is connect with the positive pole aluminium foil layer, and the cathode guide-joining plate and the cathode aluminium foil layer connect
Connect, further include electrolytic paper liner, electrolytic paper liner positioned at the positive and negative electrode aluminium foil layer between, and it is corresponding described in just,
The junction of cathode guide-joining plate and the positive and negative electrode aluminium foil layer.
It preferably, further include the second electrolysis paper layer, the positive pole aluminium foil layer, the first electrolysis paper layer, the cathode aluminium
Layers of foil and the second electrolysis paper layer are set gradually, and the first, second electrolysis paper layer includes at least two layers of electrolytic paper.
Preferably, the positive pole aluminium foil layer, the first electrolysis paper layer, the cathode aluminium foil layer and second electrolytic paper
Layer has takeup type structure, and multiple corresponding positive and negative electrode guide-joining plates of electrolytic paper liner and the positive and negative electrode aluminium
The junction of layers of foil is arranged.
Preferably, the density of two layers of electrolytic paper is different.
The present invention also provides a kind of preparation methods of above-mentioned core arrangement, are achieved through the following technical solutions: a kind of
The preparation method of above-mentioned core arrangement, comprising the following steps:
1) by cold welding, positive guide-joining plate is connect with positive pole aluminium foil layer, cathode guide-joining plate is connect with cathode aluminium foil layer；
2) the positive pole aluminium foil layer, the first electrolysis paper layer, the cathode aluminium foil layer and the second electrolysis paper layer are successively set
It sets；
3) one end of semi-finished product obtained by step 3) is placed at shaft, and is wound by the shaft；
4) during step 3) is wound, electrolytic paper liner is added between the positive and negative electrode aluminium foil layer, and right
Answer the junction of the positive and negative electrode guide-joining plate and the positive and negative electrode aluminium foil layer；
5) after the completion of winding, bundled fixed is carried out by only pine band.
Preferably, the first, second electrolysis paper layer includes at least two layers of electrolytic paper, and two layers of electrolytic paper is close
Degree is different.
Core arrangement of the invention eliminates security risk, conducive to the diffusion of guide-joining plate and aluminium foil layer junction heat, and
Adverse effect caused by generating heat at this can be diluted, preparation method is simple and easy to do, strong operability, by aluminium electricity produced by the present invention
Electrolysis condenser yields is high, performance is stable, anti-short-circuit explosive effect is more excellent, and the service life is longer.
Detailed description of the invention
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Corresponding as follows, the positive guide-joining plate 1 of each label, cathode guide-joining plate 2, positive pole aluminium foil layer 3, cathode aluminium foil layer 4, electricity in figure
Solve paper gasket pad 5, the first electrolytic paper 61, the second electrolytic paper 62, third electrolytic paper 63, the 4th electrolytic paper 64, only loose band 7
Specific embodiment
The present invention is further described With reference to embodiment:
As an example, the core arrangement of the present embodiment aluminium electrolutic capacitor, as shown in Figure 1, including positive pole aluminium foil layer 3
With cathode aluminium foil layer 4, positive guide-joining plate 1 is connect by cold welding with positive pole aluminium foil layer 3, and cathode guide-joining plate 2 passes through cold welding and cathode
Aluminium foil layer 4 connects, and the first electrolytic paper 61 and the second electrolytic paper 62 form the first electrolysis paper layer, third electrolytic paper 63 and the 4th electrolysis
Paper 64 forms the second electrolysis paper layer, and positive pole aluminium foil layer 3, first is electrolysed paper layer, cathode aluminium foil layer 4 and the second electrolysis paper layer and successively sets
It sets, and there is takeup type structure, which is located at positive pole aluminium foil layer by only 7 bundled fixed of loose band, electrolytic paper liner 5
Between 3 and cathode aluminium foil layer 4, and the junction of corresponding positive and negative electrode guide-joining plate 1,2 and positive and negative electrode aluminium foil layer 3,4.
On the one hand the setting of electrolytic paper liner 5 increases and is easy to pierce through the spacing at short circuit between positive and negative electrode aluminium foil layer,
Puncture difficulty is increased, makes the protrusion of guide-joining plate and aluminium foil layer junction or burr be more difficult to pierce through electrolytic paper and lead to short circuit, disappears
In addition to security risk, heat dissipation lacuna can be also on the other hand formed, conducive to the diffusion of guide-joining plate and aluminium foil layer junction heat, and can
Adverse effect caused by generating heat at this is diluted, and then can promote the stabilization of properties of product, is prolonged the service life.
When it is implemented, electrolytic paper liner 5 be preferably provided with it is multiple.First electrolytic paper 61 and the second electrolytic paper 62, third electricity
Solution paper 63 and the density of the 4th electrolytic paper 64 are preferably implemented in a manner of just matching, and the pressure-resistant performance of product can be improved in this,
Impedance is more preferable, and comprehensive performance is also more superior.
The present invention also provides a kind of preparation methods of aluminium electrolutic capacitor containing above-mentioned core arrangement, including following step
It is rapid:
Positive guide-joining plate 1, cathode guide-joining plate 2 are connected with corresponding positive pole aluminium foil layer 3, cathode aluminium foil layer 4 by cold welding；
Positive pole aluminium foil layer 3, the first electrolytic paper 61, the second electrolytic paper 62, cathode aluminium foil layer 4, the second electrolytic paper 62 and third are electrolysed again
Paper 63 is set gradually, wherein the density of the first electrolytic paper 61 and the second electrolytic paper 62, third electrolytic paper 63 and the 4th electrolytic paper 64
Implemented in a manner of just matching；Then one end of the semi-finished product is placed at cylindrical shaft, after ready, starting turns
Axis switch, is wound above-mentioned semi-finished product by shaft, and in winding process, one section of electrolytic paper liner 5 can be covered on to the
Mode on two electrolytic papers 62 is added between positive pole aluminium foil layer 3 and cathode aluminium foil layer 4, and corresponding positive and negative electrode guide-joining plate 1,2 with
The junction of positive and negative electrode aluminium foil layer 3,4, electrolytic paper liner 5 can be added multiple in the above described manner；After the completion of winding, pass through only pine
Above-mentioned core arrangement is obtained with 7 progress bundled fixeds, electrolyte is then impregnated with, aluminum hull is packaged in by bakelite lid
Interior, it is aluminium electrolutic capacitor that pin, which is led to external, and routinely technique carries out for casing and aging technique.
The test result of aluminium electrolutic capacitor obtained above is shown, short circuit breakdown rate is by traditional as caused by burr
0.15% is reduced to 10ppm, and service life extends 30%-45%.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Illustrative description is carried out to the invention patent above, it is clear that the realization of the invention patent is not by aforesaid way
Limitation, as long as use the invention patent method concept and technical solution carry out various improvement, or it is not improved will this
The conception and technical scheme of patent of invention directly apply to other occasions, are within the scope of the invention.
Claims (6)
1. a kind of core arrangement of aluminium electrolutic capacitor, including positive pole aluminium foil layer, cathode aluminium foil layer, the first electrolysis paper layer, anode
Guide-joining plate and cathode guide-joining plate, the first electrolysis paper layer is between the positive and negative electrode aluminium foil layer, the anode guide-joining plate
It is connect with the positive pole aluminium foil layer, the cathode guide-joining plate is connect with the cathode aluminium foil layer, which is characterized in that further include electrolysis
Paper gasket pad, electrolytic paper liner positioned at the positive and negative electrode aluminium foil layer between, and the corresponding positive and negative electrode guide-joining plate and
The junction of the positive and negative electrode aluminium foil layer.
2. core arrangement according to claim 1, which is characterized in that further include the second electrolysis paper layer, the positive pole aluminium foil
Layer, the first electrolysis paper layer, the cathode aluminium foil layer and the second electrolysis paper layer are set gradually, and described first, the
Two electrolysis paper layers include at least two layers of electrolytic paper.
3. core arrangement according to claim 2, which is characterized in that the positive pole aluminium foil layer, it is described first electrolysis paper layer,
The cathode aluminium foil layer and the second electrolysis paper layer have a takeup type structure, and multiple electrolytic papers liner is corresponding described
The junction of positive and negative electrode guide-joining plate and the positive and negative electrode aluminium foil layer is arranged.
4. core arrangement according to claim 2, which is characterized in that the density of two layers of electrolytic paper is different.
5. a kind of preparation method of core arrangement described in claim 1, which comprises the following steps:
1) by cold welding, positive guide-joining plate is connect with positive pole aluminium foil layer, cathode guide-joining plate is connect with cathode aluminium foil layer；
2) the positive pole aluminium foil layer, the first electrolysis paper layer, the cathode aluminium foil layer and the second electrolysis paper layer are set gradually；
3) one end of semi-finished product obtained by step 3) is placed at shaft, and is wound by the shaft；
4) during step 3) is wound, electrolytic paper liner is added between the positive and negative electrode aluminium foil layer, and corresponding institute
The junction of the positive and negative electrode guide-joining plate and the positive and negative electrode aluminium foil layer stated；
5) after the completion of winding, bundled fixed is carried out by only pine band.
6. preparation method according to claim 5, which is characterized in that the first, second electrolysis paper layer at least wraps
Two layers of electrolytic paper is included, and the density of two layers of electrolytic paper is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358332.1A CN109390154A (en) | 2018-11-15 | 2018-11-15 | A kind of core arrangement of aluminium electrolutic capacitor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358332.1A CN109390154A (en) | 2018-11-15 | 2018-11-15 | A kind of core arrangement of aluminium electrolutic capacitor and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109390154A true CN109390154A (en) | 2019-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811358332.1A Pending CN109390154A (en) | 2018-11-15 | 2018-11-15 | A kind of core arrangement of aluminium electrolutic capacitor and preparation method thereof |
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| CN (1) | CN109390154A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202662460U (en) * | 2012-05-10 | 2013-01-09 | 四川欧润特软件科技有限公司 | Aluminium electrolytic capacitor |
| CN203085371U (en) * | 2012-12-14 | 2013-07-24 | 简兴 | Aluminium electrolytic capacitor |
| CN204130351U (en) * | 2014-08-26 | 2015-01-28 | 肇庆绿宝石电子科技股份有限公司 | A kind of new-energy automobile quick charging system electrolytic capacitor |
| CN208954813U (en) * | 2018-11-15 | 2019-06-07 | 丰宾电子（深圳）有限公司 | A kind of core arrangement of aluminium electrolutic capacitor |
-
2018
- 2018-11-15 CN CN201811358332.1A patent/CN109390154A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202662460U (en) * | 2012-05-10 | 2013-01-09 | 四川欧润特软件科技有限公司 | Aluminium electrolytic capacitor |
| CN203085371U (en) * | 2012-12-14 | 2013-07-24 | 简兴 | Aluminium electrolytic capacitor |
| CN204130351U (en) * | 2014-08-26 | 2015-01-28 | 肇庆绿宝石电子科技股份有限公司 | A kind of new-energy automobile quick charging system electrolytic capacitor |
| CN208954813U (en) * | 2018-11-15 | 2019-06-07 | 丰宾电子（深圳）有限公司 | A kind of core arrangement of aluminium electrolutic capacitor |
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Application publication date: 20190226 |
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