CN204577254U - A kind of solid electrolytic capacitor - Google Patents
A kind of solid electrolytic capacitor Download PDFInfo
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- CN204577254U CN204577254U CN201520348447.8U CN201520348447U CN204577254U CN 204577254 U CN204577254 U CN 204577254U CN 201520348447 U CN201520348447 U CN 201520348447U CN 204577254 U CN204577254 U CN 204577254U
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- pole lead
- cover plate
- solid electrolytic
- out tablet
- electrolytic capacitor
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Abstract
The utility model relates to a kind of solid electrolytic capacitor, it comprises aluminum hull, core bag, cover plate, anode and cathode terminals, cathode foil drawn together by core handbag, anode foil, electrolytic paper and polymer dielectric, cover plate comprises phenolic resins flaggy and is fixed at the rubber layer of phenolic resins flaggy upper surface, solid electrolytic capacitor is just also comprising, negative pole lead-out tablet, the lower end of positive pole lead-out tablet is connected with cathode foil, upper end is connected with cover plate, the lower end of negative pole lead-out tablet is connected with anode foil, upper end is connected with cover plate, positive terminal and negative terminal are connected at cover plate place with negative pole lead-out tablet with positive pole lead-out tablet respectively, solid electrolytic capacitor also comprises and to be fixed on cover plate upper surface for the connector that capacitor and wiring board welded mutually and to be filled in the obturator being used between aluminum hull madial wall and core bag outer wall making not have space therebetween completely.The utility model capacitor insulation and good sealing effect, make and use more for convenience, and being suitable for the capacitor making larger capacity.
Description
Technical field
The utility model relates to a kind of solid electrolytic capacitor.
Background technology
Solid electrolytic capacitor is compared common wet electrolytic capacitors, and its electrical property is very outstanding, has that low, the resistance to ripple current of equivalent series resistance (ESR) is high, long service life, steady performance.Along with the continuous upgrading of electronic product, improving constantly of its function and performance, require also more and more higher to the high frequency characteristics of capacitor, people make different mounting meanss to realize different installation requirements, simultaneously also by also reducing the equivalent series resistance of solid electrolytic capacitor by all means, to meet the high frequency characteristics of capacitor.
In prior art, solid electrolytic capacitor all takes positive pole guide pin to be connected cathode foil and anode foil with positive pole guide pin, and the cover plate for sealed core bag and aluminum hull adopts Jiao Gai.Jiao Gai is directly pressed on core and wraps end face, there is space in addition between aluminium shell-and-core bag.Existing this version is single, and insulation and sealing effectiveness are not good especially, makes and uses comparatively inconvenience, and being unsuitable for the capacitor making larger capacity.
Summary of the invention
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of solid electrolytic capacitor of improvement
.
For solving above technical problem, the utility model takes following technical scheme:
A kind of solid electrolytic capacitor, it comprises aluminum hull, be arranged at the core bag in aluminum hull, be arranged on core bag top and the cover plate be tightly connected with aluminum hull, positive terminal, negative terminal, cathode foil drawn together by core handbag, anode foil, be arranged on the electrolytic paper between cathode foil and anode foil and polymer dielectric, cover plate comprises phenolic resins flaggy and is fixed at the rubber layer of phenolic resins flaggy upper surface, solid electrolytic capacitor also comprises positive pole lead-out tablet and negative pole lead-out tablet, the lower end of positive pole lead-out tablet is connected with cathode foil, upper end is connected with cover plate, the lower end of negative pole lead-out tablet is connected with anode foil, upper end is connected with cover plate, positive terminal and negative terminal are connected at cover plate place with negative pole lead-out tablet with positive pole lead-out tablet respectively, solid electrolytic capacitor also comprises and to be fixed on cover plate upper surface for the connector that capacitor and wiring board welded mutually and to be filled in the obturator being used between aluminum hull madial wall and core bag outer wall making not have space therebetween completely.
Preferably, cover plate has extended to form projection downwards from the lower surface of phenolic resins flaggy, the top of core bag is formed porose, and projection inserts in the hole cover plate and the stressed joint of core bag pressure.
Preferably, the upper end of positive pole lead-out tablet and negative pole lead-out tablet respectively by rivet on the cover board.
Preferably.The shape of connector is ox horn capillary, weld tabs or bolt.
Specifically implement and preferred aspect according to one of the present utility model, positive pole lead-out tablet and negative pole lead-out tablet have many groups respectively, many groups positive pole lead-out tablet and the negative level lead-out tablet of many groups are respectively along the radial distribution of core bag, and the upper end of many group positive pole lead-out tablets is all connected with positive terminal, the upper end of many group negative pole lead-out tablets is all connected with negative terminal.
Preferably, the bottom face of aluminum hull is provided with insulated plastic flitch.
Preferably, the periphery of aluminum hull is coated with insulation rubber tube.
Preferably, sebific duct is made up of heat-shrinkage material.
Preferably, obturator is epoxy resin or silicon rubber.
Due to the employing of technique scheme, the utility model compared with prior art has the following advantages:
The capacitor insulation that the utility model adopts and good sealing effect, make and use more for convenience, and being suitable for the capacitor making larger capacity, and meanwhile, structure of the present utility model is simple, and cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic according to solid electrolytic capacitor of the present utility model;
Fig. 2 is the structural representation of Fig. 1 SMIS bag;
Fig. 3 is Fig. 1 SMIS bag and cover plate deployed condition schematic diagram (installation);
Fig. 4 is the schematic top plan view of Fig. 1 cover plate;
Wherein: 1, aluminum hull; 2, core bag; 20, cathode foil; 21, anode foil; 22, electrolytic paper; 3, cover plate; 30, phenolic resins flaggy; 31, rubber layer; 32, projection; 4, positive terminal; 5, negative terminal; 6, positive pole lead-out tablet; 7, negative pole lead-out tablet; 8, connector (ox horn capillary or bolt); 9, obturator; 10, insulated plastic flitch; 11, sebific duct.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Consult Fig. 1 to Fig. 4, the present embodiment provides a kind of solid electrolytic capacitor, it comprises aluminum hull 1, the core bag 2 be arranged in aluminum hull 1, be arranged on core bag 2 top and the cover plate 3, positive terminal 4, the negative terminal 5 that are tightly connected with aluminum hull 1, and core bag 2 comprises cathode foil 20, anode foil 21, is arranged on electrolytic paper 22 between cathode foil 20 and anode foil 21 and polymer dielectric (not shown).
Concrete, cover plate 3 comprises phenolic resins flaggy 30 and is fixed at the rubber layer 31 of phenolic resins flaggy 30 upper surface.
Further, cover plate 3 has extended to form projection 32 downwards from the lower surface of phenolic resins flaggy 30, the top of core bag 2 forms porose (not shown), and projection 32 inserts in the hole cover plate 3 to compress with core bag 2 and is connected.
In this example, above-mentioned solid electrolytic capacitor also comprises positive pole lead-out tablet 6 and negative pole lead-out tablet 7, and the lower end of positive pole lead-out tablet 6 is connected with cathode foil 20, upper end is connected with cover plate 3, and the lower end of negative pole lead-out tablet 7 is connected with anode foil 21, upper end is connected with cover plate 3.Positive terminal 4 and negative terminal 5 are connected at cover plate 3 place with negative pole lead-out tablet 7 with positive pole lead-out tablet 6 respectively.
Further, the upper end of positive pole lead-out tablet 6 and negative pole lead-out tablet 7 respectively by rivet at cover plate 3(phenolic resins flaggy 30) on.
Further, positive pole lead-out tablet 6 and negative pole lead-out tablet 7 have many groups respectively, many groups positive pole lead-out tablet 6 and the negative level lead-out tablet 7 of many groups are respectively along the radial distribution of core bag 2, and the upper end of many group positive pole lead-out tablets 6 is all connected with positive terminal 4, the upper end of many group negative pole lead-out tablets 7 is all connected with negative terminal 5.Be very suitable for the capacitor making larger capacity.
Meanwhile, in this example, solid electrolytic capacitor also comprises and to be fixed on cover plate 3 upper surface for the connector 8 that capacitor and wiring board welded mutually and to be filled in the obturator 7 being used between aluminum hull 1 madial wall and core bag 2 outer wall making not have space therebetween completely.This obturator 7 be provided with two effects, one is the location (stability) being convenient to core bag 2; Two is improve insulation and sealing effectiveness.
Concrete, the shape of connector 8 is ox horn capillary, weld tabs or bolt.In this example, have employed ox horn capillary.Obturator 7 is epoxy resin or silicon rubber.
In addition, the bottom face of aluminum hull 1 is provided with insulated plastic flitch 10.The periphery of aluminum hull 1 is coated with insulation rubber tube 11, and this sebific duct 11 is made up of heat-shrinkage material.
Last it is noted that these are only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; in every case within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. a solid electrolytic capacitor, it comprises aluminum hull, be arranged at the core bag in described aluminum hull, be arranged on described core bag top and the cover plate be tightly connected with described aluminum hull, positive terminal, negative terminal, cathode foil drawn together by described core handbag, anode foil, be arranged on the electrolytic paper between described cathode foil and described anode foil and polymer dielectric, it is characterized in that: described cover plate comprises phenolic resins flaggy and is fixed at the rubber layer of described phenolic resins flaggy upper surface, described solid electrolytic capacitor also comprises positive pole lead-out tablet and negative pole lead-out tablet, the lower end of described positive pole lead-out tablet is connected with described cathode foil, upper end is connected with described cover plate, the lower end of described negative pole lead-out tablet is connected with described anode foil, upper end is connected with described cover plate, described positive terminal and negative terminal are connected at described cover plate place with negative pole lead-out tablet with described positive pole lead-out tablet respectively, described solid electrolytic capacitor also comprises and to be fixed on described cover plate upper surface for the connector that capacitor and wiring board welded mutually and to be filled in the obturator being used between described aluminum hull madial wall and described core bag outer wall making not have space therebetween completely.
2. solid electrolytic capacitor according to claim 1, it is characterized in that: described cover plate has extended to form projection downwards from the lower surface of described phenolic resins flaggy, the top of described core bag is formed porose, and described projection inserts described cover plate and the stressed joint of described core bag pressure in described hole.
3. solid electrolytic capacitor according to claim 1, is characterized in that: the upper end of described positive pole lead-out tablet and negative pole lead-out tablet respectively by rivet on the cover board.
4. solid electrolytic capacitor according to claim 1, is characterized in that: the shape of described connector is ox horn capillary, weld tabs or bolt.
5. solid electrolytic capacitor according to claim 1, it is characterized in that: described positive pole lead-out tablet and negative pole lead-out tablet have many groups respectively, described many group positive pole lead-out tablets and the negative level lead-out tablet of described many groups are respectively along the radial distribution of described core bag, and the upper end of described many group positive pole lead-out tablets is all connected with described positive terminal, the upper end of described many group negative pole lead-out tablets is all connected with described negative terminal.
6. solid electrolytic capacitor according to claim 1, is characterized in that: the bottom face of described aluminum hull is provided with insulated plastic flitch.
7. solid electrolytic capacitor according to claim 1, is characterized in that: the periphery of described aluminum hull is coated with insulation rubber tube.
8. solid electrolytic capacitor according to claim 7, is characterized in that: described sebific duct is made up of heat-shrinkage material.
9. solid electrolytic capacitor according to claim 1, is characterized in that: described obturator is epoxy resin or silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348447.8U CN204577254U (en) | 2015-05-26 | 2015-05-26 | A kind of solid electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348447.8U CN204577254U (en) | 2015-05-26 | 2015-05-26 | A kind of solid electrolytic capacitor |
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| Publication Number | Publication Date |
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| CN204577254U true CN204577254U (en) | 2015-08-19 |
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| CN201520348447.8U Active CN204577254U (en) | 2015-05-26 | 2015-05-26 | A kind of solid electrolytic capacitor |
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| CN (1) | CN204577254U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331519A (en) * | 2017-08-11 | 2017-11-07 | 佛山市三水日明电子有限公司 | A kind of manufacture method of solid-state capacitor |
| CN107393732A (en) * | 2017-08-11 | 2017-11-24 | 佛山市三水日明电子有限公司 | A kind of formation device of solid-state capacitor |
| CN108538601A (en) * | 2017-10-25 | 2018-09-14 | 湖南艾华集团股份有限公司 | A kind of square electric container and production method |
| CN108550467A (en) * | 2018-05-04 | 2018-09-18 | 南通江海电容器股份有限公司 | A kind of electrolytic capacitor and its manufacturing method |
-
2015
- 2015-05-26 CN CN201520348447.8U patent/CN204577254U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331519A (en) * | 2017-08-11 | 2017-11-07 | 佛山市三水日明电子有限公司 | A kind of manufacture method of solid-state capacitor |
| CN107393732A (en) * | 2017-08-11 | 2017-11-24 | 佛山市三水日明电子有限公司 | A kind of formation device of solid-state capacitor |
| CN107331519B (en) * | 2017-08-11 | 2019-11-12 | 佛山市三水日明电子有限公司 | A kind of manufacturing method of solid-state capacitor |
| CN108538601A (en) * | 2017-10-25 | 2018-09-14 | 湖南艾华集团股份有限公司 | A kind of square electric container and production method |
| CN108550467A (en) * | 2018-05-04 | 2018-09-18 | 南通江海电容器股份有限公司 | A kind of electrolytic capacitor and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Solid electrolytic capacitor and method of processing the same Effective date of registration: 20170412 Granted publication date: 20150819 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd Pledgor: Foshan Sanshui Riming Electroncs Co., Ltd. Registration number: 2017990000303 |