CN202650848U - A polymer aluminum electrolytic capacitor and an anode guiding pin thereof - Google Patents
A polymer aluminum electrolytic capacitor and an anode guiding pin thereof Download PDFInfo
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- CN202650848U CN202650848U CN 201220266513 CN201220266513U CN202650848U CN 202650848 U CN202650848 U CN 202650848U CN 201220266513 CN201220266513 CN 201220266513 CN 201220266513 U CN201220266513 U CN 201220266513U CN 202650848 U CN202650848 U CN 202650848U
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- guide pin
- stalk section
- electrolytic capacitor
- tongue
- insulating barrier
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Abstract
The utility model discloses a polymer aluminum electrolytic capacitor and an anode guiding pin thereof. The polymer aluminum electrolytic capacitor comprises a housing, a core bag, a glue cover, an anode guiding pin, and a cathode guiding pin. The core bag comprises positive foil, negative foil, and electrolytic paper. The anode guiding pin and the cathode guiding pin are inserted into and riveted on the positive foil and the negative foil, respectively. The anode guiding pin comprises a cylindrical stalk portion, a sheet-shaped tongue portion, a leading-out wire, and an insulating layer. The sheet-shaped tongue portion is extended from one end of the stalk portion, while the leading-out wire is disposed on the other end of the stalk portion. The insulating layer is arranged at least on the sides around the juncture of the stalk portion and the tongue portion. The insulating layer arranged at least on the sides around the juncture of the stalk portion and the tongue portion of the anode guiding pin effectively prevents communication between the stalk portion and the tongue portion of the anode guiding pin, in order to reduce multiple generation of bad leakage current of the capacitor. In addition, the polymer aluminum electrolytic capacitor has simple structure.
Description
Technical field
The utility model relates to a kind of polymer aluminium electrolytic capacitor, particularly its anodal guide pin.
Background technology
The polymer aluminium electrolytic capacitor has with common liquid electrolytic capacitor compares outstanding electrical property, and it has low ESR (ESR), and high anti-ripple current is high temperature resistant, long service life, steady performance.Along with the continuous upgrading of electronic product, improving constantly of function and performance, also more and more higher to the high frequency characteristics requirement of capacitor, this requirement that solid electrolytic capacitor has possessed good characteristic adaptation.
Existing polymer aluminium electrolytic capacitor generally comprises shell, is arranged at the interior core bag of described shell, is arranged at Jiao Gai, anodal guide pin and negative electrode guide needle in the shell.The core bag generally comprises the electrolytic paper between positive paper tinsel, negative paper tinsel and the positive and negative paper tinsel.Anodal guide pin and negative electrode guide needle sting respectively riveting on positive paper tinsel and negative paper tinsel.Guide pin comprises the tongue of the sheet that a columned stalk section, extends to form from an end of this stalk section and the lead-out wire that is arranged at the other end of stalk section.Usually, stalk section and tongue adopt the higher aluminum preparation of purity, lead-out wire then for zinc-plated or silver-copper plated steel clad wire (CP line), zinc-plated or silver-plated pure copper wire, it is fixed in an end of stalk section by welding.In the manufacture process of polymer aluminium electrolytic capacitor, core is comprised soak the mixed liquor of polymerization single polymerization monomer and oxidant, or distinguish impregnation monomer and oxidant, process by certain polymerization again, in the core bag, generate the polymer with conductive capability.This polymer extracts the capacity of the positive paper tinsel of capacitor by negative paper tinsel, just consisted of electric capacity.In the manufacture process of capacitor, also generate inevitably conducting polymer at two end faces of core bag, the existence of this polymer, may be with tongue, all or part of connection of stalk section of positive and negative electrode guide pin, if the oxide-film defectiveness that tongue, stalk section surface change into, just between positive and negative electrode, form path, increased the leakage current of capacitor.Miniaturized capacitance device particularly, because the shortening of guide pin distance, the miniaturization guide pin changes into the increasing of difficulty in addition, it is very obvious that this leakage phenomenon just becomes.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of improved polymer aluminium electrolytic capacitor is provided.
The utility model also will provide a kind of anodal guide pin of improved polymer aluminium electrolytic capacitor simultaneously.
For solving above technical problem, a kind of technical scheme that the utility model is taked is as follows:
A kind of polymer aluminium electrolytic capacitor, it comprises shell, is arranged at core bag, Jiao Gai, anodal guide pin and negative electrode guide needle in the shell, described core bag comprises the interlayer electrolytic paper between positive paper tinsel, negative paper tinsel and positive paper tinsel, the negative paper tinsel, anodal guide pin and negative electrode guide needle sting respectively riveting on described positive paper tinsel and negative paper tinsel, described anodal guide pin comprises columned stalk section, the certainly tongue of the sheet that extends to form of an end of stalk section and the lead-out wire that is arranged at the other end of stalk section, particularly, described anodal guide pin also comprises the insulating barrier on the side all around that is covered at least stalk section and tongue intersection.
Further, the intersection of described stalk section and tongue comprises the zone of 1/3 length of stalk section.
According to a concrete aspect, described anodal guide pin is covered with insulating barrier in 2/5 the zone of being no more than of the zone of at least 1/3 length of stalk section and tongue.
According to another concrete aspect, described anodal guide pin is covered with insulating barrier in 1/5 the zone of being no more than of the zone of at least 1/2 length of stalk section and tongue.
Perhaps, described anodal guide pin can also be established insulating barrier in whole sides all around of stalk section and tongue.
The thickness of described insulating barrier is not particularly limited, as long as reach insulation effect.Usually, the thickness of insulating barrier is 0.5 ~ 30 micron, is preferably 5 ~ 20 microns.The material that is used to form insulating barrier also is not particularly limited, as long as insulation effect is arranged.Insulating material can be organic or inorganic.For example, insulating material can be mica, glass, pottery, shellac, resin, rubber, cotton yarn, paper, fiber crops or artificial silk etc.According to a preferred aspect, insulating material is polyimide resin.
The another technical scheme that the utility model is taked is: a kind of anodal guide pin of polymer aluminium electrolytic capacitor, it comprises columned stalk section, the certainly tongue of the sheet that extends to form of an end of stalk section and the lead-out wire that is arranged at the other end of stalk section, particularly, described anodal guide pin also comprises the insulating barrier on the side all around that is covered at least stalk section and tongue intersection.
Further, the intersection of described stalk section and tongue comprises the zone of 1/3 length of stalk section.According to a concrete aspect, described anodal guide pin is covered with insulating barrier in 2/5 the zone of being no more than of the zone of at least 1/3 length of stalk section and tongue.
According to another concrete aspect, described anodal guide pin is covered with insulating barrier in 1/5 the zone of being no more than of the zone of at least 1/2 length of stalk section and tongue.
Perhaps, described anodal guide pin can also be established insulating barrier in whole sides all around of stalk section and tongue.
The thickness of described insulating barrier is not particularly limited, as long as reach insulation effect.Usually, the thickness of insulating barrier is 0.5 ~ 30 micron, is preferably 5 ~ 20 microns.The material that is used to form insulating barrier also is not particularly limited, as long as insulation effect is arranged.Insulating material can be organic or inorganic.For example, insulating material can be mica, glass, pottery, shellac, resin, rubber, cotton yarn, paper, fiber crops or artificial silk etc.
According to the utility model, tongue and stalk section can be by high-purity aluminum steel (more than 99.9%) through the mould one-shot formings, and energising changes into the aluminium oxide in the Surface Creation densification again, and get final product.The voltage that changes into can be 5-600V, preferred 150V-400V, more preferably 200V-300V.Lead-out wire can be outer copper cash, steel wire or the copper covered steel wire that is coated with tin layer or silver coating.Preferably, lead-out wire is CP wire (CP line).
Because the enforcement of above technical scheme, the utility model compared with prior art has following advantage:
Anodal guide pin of the present utility model at least around the intersection of stalk section and tongue the side be covered with insulating barrier, so, can effectively avoid the tongue of capacitor both positive and negative polarity guide pin, the connection between the stalk section, thereby reduce the bad multiple problem of leakage current of electric leakage container.In addition, the utility model is simple in structure.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is the structural representation according to polymer aluminium electrolytic capacitor of the present utility model;
Fig. 2 is the structural representation according to the anodal guide pin of polymer aluminium electrolytic capacitor of the present utility model;
Wherein: 1, shell; 2, core bag; 3, Jiao Gai; 4, anodal guide pin; 40, stalk section; 41, tongue; 42, lead-out wire; 43, insulating barrier; 5, negative electrode guide needle.
Embodiment
Such as Fig. 1, the polymer aluminium electrolytic capacitor of present embodiment comprises shell 1, is arranged at core bag 2, glue lid 3, anodal guide pin 4 and negative electrode guide needle 5 in the shell 1.Core bag 2 comprises the interlayer electrolytic paper (not shown) between positive paper tinsel, negative paper tinsel and positive paper tinsel, the negative paper tinsel.Anodal guide pin 4 and negative electrode guide needle 5 sting respectively riveting on positive paper tinsel and negative paper tinsel.The utility model relates generally to the improvement to anodal guide pin 4.Therefore, below anodal guide pin 4 is elaborated.
As shown in Figure 2, anodal guide pin 4 comprises columned stalk section 40, the certainly tongue 41 of the sheet that extends to form of an end of stalk section 40 and the lead-out wire 42 that is arranged at the other end of stalk section 40, lead-out wire 42 is the CP line, and it is fixed in an end of stalk section 40 by the scolding tin welding.Different from prior art, anodal guide pin 4 of the present utility model also is covered with insulating barrier 43 outside the side around the intersection of stalk section 40 and tongue 41.This insulating barrier 43 is formed by insulating material.In this example, the zone that insulating barrier 43 covers comprises the zone of about 1/5 length of the zone of about 1/2 length of stalk section 40 and tongue.The tongue 40 of capacitor both positive and negative polarity guide pin, the connection between the stalk section 41 can be effectively avoided in the setting of insulating barrier 43, thereby solve the bad multiple problem of leakage current of capacitor.
More than the utility model has been done detailed description; its purpose is to allow the personage that is familiar with this art can understand content of the present utility model and is implemented; can not limit protection range of the present utility model with this; all equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed in the protection range of the present utility model
Claims (10)
1. polymer aluminium electrolytic capacitor, comprise shell (1), be arranged at the core bag (2) in the described shell (1), Jiao Gai (3), anodal guide pin (4) and negative electrode guide needle (5), described core bag (2) comprises positive paper tinsel, negative paper tinsel and described positive paper tinsel, interlayer electrolytic paper between the negative paper tinsel, described anodal guide pin (4) and negative electrode guide needle (5) sting respectively riveting on described positive paper tinsel and negative paper tinsel, described anodal guide pin (4) comprises columned stalk section (40), the tongue (41) of the sheet that extends to form from an end of described stalk section (40) and the lead-out wire (42) that is arranged at the other end of described stalk section (40) is characterized in that: described anodal guide pin (4) also comprises and is covered at least the insulating barrier (43) on the side around described stalk section (40) and described tongue (41) intersection.
2. polymer aluminium electrolytic capacitor according to claim 1 is characterized in that: described stalk section (40) and the intersection of described tongue (41) comprise the zone of 1/3 length of described stalk section (40).
3. polymer aluminium electrolytic capacitor according to claim 1 is characterized in that: described anodal guide pin (4) is covered with described insulating barrier (43) in 2/5 the zone of being no more than of the zone of at least 1/3 length of described stalk section (40) and described tongue (41).
4. polymer aluminium electrolytic capacitor according to claim 3 is characterized in that: described anodal guide pin (4) is covered with described insulating barrier (43) in 1/5 the zone of being no more than of the zone of at least 1/2 length of described stalk section (40) and described tongue (41).
5. polymer aluminium electrolytic capacitor according to claim 1 is characterized in that: described anodal guide pin (4) is provided with described insulating barrier (43) in sides around described stalk section (43) and tongue (41) whole.
6. polymer aluminium electrolytic capacitor according to claim 1, it is characterized in that: the thickness of described insulating barrier (43) is 0.5 ~ 30 micron.
7. polymer aluminium electrolytic capacitor according to claim 1 is characterized in that: the insulating material that described insulating barrier (43) adopts is mica, glass, pottery, shellac, resin, rubber, cotton yarn, paper, fiber crops or artificial silk.
8. the anodal guide pin (4) of a polymer aluminium electrolytic capacitor, the tongue (41) of the sheet that it comprises columned stalk section (40), extend to form from an end of described stalk section (40) and the lead-out wire (42) that is arranged at the other end of described stalk section (40) is characterized in that: described anodal guide pin (4) also comprises and is covered at least the insulating barrier (43) on the side around described stalk section (40) and described tongue (41) intersection.
9. the anodal guide pin of polymer aluminium electrolytic capacitor according to claim 8 is characterized in that: described anodal guide pin (4) is covered with described insulating barrier (43) in 1/5 the zone of being no more than of the zone of at least 1/2 length of described stalk section (40) and described tongue (41).
10. it is characterized in that according to claim 8 or the anodal guide pin of 9 described polymer aluminium electrolytic capacitors: the insulating material that described insulating barrier (43) adopts is mica, glass, pottery, shellac, resin, rubber, cotton yarn, paper, fiber crops or artificial silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266513 CN202650848U (en) | 2012-06-07 | 2012-06-07 | A polymer aluminum electrolytic capacitor and an anode guiding pin thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266513 CN202650848U (en) | 2012-06-07 | 2012-06-07 | A polymer aluminum electrolytic capacitor and an anode guiding pin thereof |
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| CN202650848U true CN202650848U (en) | 2013-01-02 |
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| CN 201220266513 Expired - Fee Related CN202650848U (en) | 2012-06-07 | 2012-06-07 | A polymer aluminum electrolytic capacitor and an anode guiding pin thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616893A (en) * | 2015-01-23 | 2015-05-13 | 重庆市图达电子科技有限公司 | Processing technology of aluminum electrolytic capacitor for solid electrolytes |
| CN104616894A (en) * | 2015-01-23 | 2015-05-13 | 重庆市图达电子科技有限公司 | Method for producing solid aluminum electrolytic capacitor in use of asymmetric electrolytic paper core cladding |
| CN105914040A (en) * | 2016-06-06 | 2016-08-31 | 南通南铭电子有限公司 | Formation outgoing line used for solid state capacitor and manufacturing method thereof |
| CN107644737A (en) * | 2016-07-20 | 2018-01-30 | 湖北工业株式会社 | Electrolytic capacitor lead terminal, the manufacture method of electrolytic capacitor lead terminal and electrolytic capacitor |
| CN108511194A (en) * | 2018-03-15 | 2018-09-07 | 南通南铭电子有限公司 | A kind of capacitor guide pin and manufacturing method |
| CN109390544A (en) * | 2017-08-09 | 2019-02-26 | 达州市金联富电子科技有限公司 | Nickel guide pin, battery and capacitor |
| WO2023147787A1 (en) * | 2022-02-07 | 2023-08-10 | 京瓷安施电子元件 （成都）有限公司 | Supercapacitor |
-
2012
- 2012-06-07 CN CN 201220266513 patent/CN202650848U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616893A (en) * | 2015-01-23 | 2015-05-13 | 重庆市图达电子科技有限公司 | Processing technology of aluminum electrolytic capacitor for solid electrolytes |
| CN104616894A (en) * | 2015-01-23 | 2015-05-13 | 重庆市图达电子科技有限公司 | Method for producing solid aluminum electrolytic capacitor in use of asymmetric electrolytic paper core cladding |
| CN105914040A (en) * | 2016-06-06 | 2016-08-31 | 南通南铭电子有限公司 | Formation outgoing line used for solid state capacitor and manufacturing method thereof |
| CN105914040B (en) * | 2016-06-06 | 2018-07-24 | 南通南铭电子有限公司 | A kind of chemical conversion lead-out wire and preparation method thereof for solid-state capacitor |
| CN107644737A (en) * | 2016-07-20 | 2018-01-30 | 湖北工业株式会社 | Electrolytic capacitor lead terminal, the manufacture method of electrolytic capacitor lead terminal and electrolytic capacitor |
| CN107644737B (en) * | 2016-07-20 | 2022-07-19 | 湖北工业株式会社 | Lead terminal for electrolytic capacitor, method for manufacturing same, and electrolytic capacitor |
| CN109390544A (en) * | 2017-08-09 | 2019-02-26 | 达州市金联富电子科技有限公司 | Nickel guide pin, battery and capacitor |
| CN108511194A (en) * | 2018-03-15 | 2018-09-07 | 南通南铭电子有限公司 | A kind of capacitor guide pin and manufacturing method |
| CN108511194B (en) * | 2018-03-15 | 2024-04-09 | 南通南铭电子有限公司 | Capacitor guide pin and manufacturing method thereof |
| WO2023147787A1 (en) * | 2022-02-07 | 2023-08-10 | 京瓷安施电子元件 （成都）有限公司 | Supercapacitor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |