CN209947669U - High-frequency low-resistance aluminum electrolytic capacitor - Google Patents
High-frequency low-resistance aluminum electrolytic capacitor Download PDFInfo
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- CN209947669U CN209947669U CN201920980453.3U CN201920980453U CN209947669U CN 209947669 U CN209947669 U CN 209947669U CN 201920980453 U CN201920980453 U CN 201920980453U CN 209947669 U CN209947669 U CN 209947669U
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- Prior art keywords
- pin
- electrolytic capacitor
- frequency low
- aluminum electrolytic
- resistance aluminum
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 38
- 239000003990 capacitor Substances 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 239000007779 soft material Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 9
- 230000005684 electric field Effects 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 19
- 239000012790 adhesive layer Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 239000011499 joint compound Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- -1 chlorine ions Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-frequency low-resistance aluminum electrolytic capacitor, which comprises an aluminum shell, the bottom of the inner cavity of the aluminum shell is provided with a core cladding, one end of the upper surface of the core cladding is provided with an anode conducting strip, the other end of the core cladding is provided with a cathode conducting strip, an insulating baffle is arranged above the anode conducting strip, through holes are arranged at the two ends of the inside of the insulating baffle, a soft cushion body is arranged on the outer side wall of the through holes, an anti-friction layer is arranged on the outer side wall of the soft cushion body, protective sleeves are arranged above the through holes, an anode pin is arranged inside the protective sleeve at the left side, and a protective; the utility model discloses add anticorrosive structure on original high frequency low resistance aluminum electrolytic capacitor's anodal pin, when the protective sheath causes ageing because of the heat that core package work produced, when not in time changing the protective sheath, can prevent to lead to the fact the corruption to anodal pin because of the chloride ion that electric field reason gathered to anodal pin.
Description
Technical Field
The utility model belongs to the technical field of electronic components, concretely relates to high frequency low resistance aluminum electrolytic capacitor.
Background
An aluminum electrolytic capacitor is a capacitor made by using an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder and inserting a bent aluminum strip as a positive electrode, and is called as an aluminum electrolytic capacitor. It is a general electrolytic capacitor made of aluminium material with good electric property, wide application range and high reliability.
The prior art has the following problems: 1. the existing high-frequency low-resistance aluminum electrolytic capacitor has the advantages that the protective sleeve is arranged in the cavity inside the sealing rubber cover, so that the phenomenon that in the working process of the capacitor, due to an electric field, chlorine ions in the sealing rubber cover and air are gathered to the positive electrode pin to cause the corrosion of the positive electrode pin is avoided, and when the protective sleeve is aged and not replaced in time, the positive electrode pin loses protection and is corroded; 2. the conventional high-frequency low-resistance aluminum electrolytic capacitor is provided with a through hole on an insulating baffle, and an anode pin and a cathode pin pass through the through hole.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a high-frequency low-resistance aluminum electrolytic capacitor, which has the characteristics of corrosion resistance and collision resistance.
In order to achieve the above object, the utility model provides a following technical scheme: a high-frequency low-resistance aluminum electrolytic capacitor comprises an aluminum shell, wherein a core cladding is arranged at the bottom of an inner cavity of the aluminum shell, one end of the upper surface of the core cladding is provided with an anode conducting strip, the other end of the core cladding is provided with a cathode conducting strip, an insulating baffle is arranged above the anode conducting strip, through holes are formed in two ends of the inside of the insulating baffle, a soft pad body is arranged on the outer side wall of each through hole, an anti-friction layer is arranged on the outer side wall of the soft pad body, protective sleeves are arranged above the through holes, an anode pin is arranged inside the protective sleeve on the left side, a protective film is arranged on the periphery of the anode pin, an anticorrosive layer is arranged on the periphery of the protective film, the protective film is fixedly connected with the anticorrosive layer through a first adhesive layer, a chloride ion isolation layer is arranged on the periphery of the, the inside of right side protective sheath is provided with the negative pole pin, the top of insulating baffle is provided with the joint compound lid.
Preferably, the soft pad body is filled with soft polyurethane foam.
Preferably, the soft cushion body is bonded with the insulating baffle plate and the anti-friction layer with the soft cushion body through glue.
Preferably, a sealing strip is arranged between the insulating baffle and the protective sleeve.
Preferably, the positive conducting plate is fixedly connected with the positive pin and the negative conducting plate is fixedly connected with the negative pin through connecting blocks.
Preferably, a cavity is formed in the sealing rubber cover, and the positive pin and the negative pin extend out of the aluminum shell through the cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses add anticorrosive structure on original high frequency low resistance aluminum electrolytic capacitor's anodal pin, when the protective sheath causes ageing because of the heat that core package work produced, when not in time changing the protective sheath, can prevent to lead to the fact the corruption to anodal pin because of the chloride ion that electric field reason gathered to anodal pin.
2. The utility model discloses add antifriction layer and soft bed course on original high frequency low resistance aluminum electrolytic capacitor's through-hole, can avoid anodal pin and negative pole pin and through-hole to take place the friction and collide when the condenser uses under the vibration environment, damage anodal pin and negative pole pin.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of fig. 1A according to the present invention.
Fig. 3 is a cross-sectional view of the positive electrode pin of the present invention.
In the figure: 1. a positive electrode conductive sheet; 2. an insulating baffle; 3. sealing the rubber cover; 4. a positive electrode pin; 5. a protective sleeve; 6. a negative electrode pin; 7. a negative electrode conductive sheet; 8. a core package; 9. an aluminum shell; 10. an anti-friction layer; 11. a soft cushion body; 12. a through hole; 13. an anticorrosive layer; 14. a first adhesive layer; 15. a protective film; 16. a chloride ion isolation layer; 17. a second adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: a high-frequency low-resistance aluminum electrolytic capacitor comprises an aluminum shell 9, wherein a core cladding 8 is arranged at the bottom of an inner cavity of the aluminum shell 9, one end of the upper surface of the core cladding 8 is provided with an anode conducting strip 1, the other end of the core cladding is provided with a cathode conducting strip 7, an insulating baffle 2 is arranged above the anode conducting strip 1, through holes 12 are respectively arranged at two ends inside the insulating baffle 2, a soft cushion body 11 is arranged on the outer side wall of each through hole 12, an anti-friction layer 10 is arranged on the outer side wall of each soft cushion body 11, a protective sleeve 5 is respectively arranged above each through hole 12, an anode pin 4 is arranged inside the protective sleeve 5 at the left side, a protective film 15 is arranged at the periphery of each anode pin 4, an anti-corrosion layer 13 is arranged at the periphery of each protective film 15, the protective film 15 is fixedly connected with the anti-corrosion layer 13 through a first adhesive layer 14, the inside of right side protective sheath 5 is provided with negative pole pin 6, and the top of insulating barrier 2 is provided with joint compound lid 3.
In order to allow the soft cushion body 11 to deform when it is collided and to recover to its original shape when the collision disappears, in the present embodiment, it is preferable that the soft cushion body 11 is filled with a soft material polyurethane foam.
In order to fix the anti-friction structure on the sidewall of the through hole 12, in this embodiment, the soft cushion body 11 and the insulating baffle 2, and the anti-friction layer 10 and the soft cushion body 11 are preferably bonded together by glue.
In order to avoid the contact of the chloride ions with the positive electrode pin 4 through the gap between the insulating baffle 2 and the protective sleeve 5, in the embodiment, a sealing strip is preferably disposed between the insulating baffle 2 and the protective sleeve 5.
In order to fixedly connect the positive conductive plate 1 and the positive pin 4 and the negative conductive plate 7 and the negative pin 6, in the embodiment, it is preferable that the positive conductive plate 1 and the positive pin 4 and the negative pin 6 and the negative conductive plate 7 are fixedly connected through a connecting block.
In order to electrically connect the positive pin 4 and the negative pin 6 to the circuit board, in this embodiment, it is preferable that a cavity is disposed inside the sealant cover 3, and the positive pin 4 and the negative pin 6 extend out of the aluminum case 9 through the cavity.
The utility model discloses a theory of operation and use flow: the core bag 8 is placed at the bottom side of the interior of the aluminum shell 9, the positive electrode conducting strip 1 and the negative electrode conducting strip 7 are respectively arranged at two ends of the upper surface of the core bag 8, the protective film 15 is arranged on the positive electrode pin 4, the chloride ion isolating layer 16 is fixed on the anticorrosive layer 13 through the second adhesive layer 17, the anticorrosive layer 13 is fixed on the protective film 15 through the first adhesive layer 14, the corrosion of the positive electrode pin 4 can be avoided through the chloride ion isolating layer 16, the anticorrosive layer 13 and the protective film 15, the positive electrode pin 4 and the negative electrode pin 6 are respectively fixed on the positive electrode conducting strip 1 and the negative electrode conducting strip 7, the positive electrode pin 4 and the negative electrode pin 6 extend out of the aluminum shell 9 through the through hole 12 and the protective sleeve 5 on the insulating baffle 2, the anti-friction layer 10 on the outer side wall of the through hole 12 can avoid the friction between the positive electrode pin 4 and the negative electrode pin 6 and the through hole 12, the soft cushion body 11 can generate deformation buffering impact force when the positive electrode pin 4 and, the positive electrode pin 4 and the negative electrode pin 6 are prevented from being damaged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-frequency low-resistance aluminum electrolytic capacitor comprises an aluminum shell (9), and is characterized in that: the aluminum-clad aluminum, the periphery of anticorrosive coating (13) is provided with chloride ion isolation layer (16), glue layer (17) fixed connection through the second between chloride ion isolation layer (16) and anticorrosive coating (13), the inside of right side protective sheath (5) is provided with negative pole pin (6), the top of insulating barrier (2) is provided with sealed closing cap (3).
2. The high-frequency low-resistance aluminum electrolytic capacitor according to claim 1, characterized in that: the soft cushion body (11) is filled with soft material polyurethane foam plastics.
3. The high-frequency low-resistance aluminum electrolytic capacitor according to claim 1, characterized in that: the soft cushion body (11) is bonded with the insulating baffle (2) and the anti-friction layer (10) is bonded with the soft cushion body (11) through glue.
4. The high-frequency low-resistance aluminum electrolytic capacitor according to claim 1, characterized in that: and a sealing strip is arranged between the insulating baffle (2) and the protective sleeve (5).
5. The high-frequency low-resistance aluminum electrolytic capacitor according to claim 1, characterized in that: the positive conducting plate (1) is fixedly connected with the positive pin (4) and the negative pin (6) is fixedly connected with the negative conducting plate (7) through connecting blocks.
6. The high-frequency low-resistance aluminum electrolytic capacitor according to claim 1, characterized in that: the sealing rubber cover (3) is internally provided with a cavity, and the positive pin (4) and the negative pin (6) extend out of the aluminum shell (9) through the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920980453.3U CN209947669U (en) | 2019-06-26 | 2019-06-26 | High-frequency low-resistance aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920980453.3U CN209947669U (en) | 2019-06-26 | 2019-06-26 | High-frequency low-resistance aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209947669U true CN209947669U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920980453.3U Expired - Fee Related CN209947669U (en) | 2019-06-26 | 2019-06-26 | High-frequency low-resistance aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209947669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115527778A (en) * | 2022-10-08 | 2022-12-27 | 肇庆市锐奇电子有限公司 | Laminated solid-state aluminum electrolytic capacitor |
-
2019
- 2019-06-26 CN CN201920980453.3U patent/CN209947669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115527778A (en) * | 2022-10-08 | 2022-12-27 | 肇庆市锐奇电子有限公司 | Laminated solid-state aluminum electrolytic capacitor |
| CN115527778B (en) * | 2022-10-08 | 2023-09-05 | 深圳市壳子塑胶制品有限公司 | Laminated solid aluminum electrolytic capacitor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |