CN106158379A - The method for winding of aluminum electrolytic capacitor core bag and application and aluminium electrolutic capacitor - Google Patents
The method for winding of aluminum electrolytic capacitor core bag and application and aluminium electrolutic capacitor Download PDFInfo
- Publication number
- CN106158379A CN106158379A CN201610761088.8A CN201610761088A CN106158379A CN 106158379 A CN106158379 A CN 106158379A CN 201610761088 A CN201610761088 A CN 201610761088A CN 106158379 A CN106158379 A CN 106158379A
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- Prior art keywords
- winding
- anode foils
- core bag
- aluminium electrolutic
- aluminum electrolytic
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 89
- 239000003990 capacitor Substances 0.000 title claims abstract description 79
- 239000004411 aluminium Substances 0.000 title claims abstract description 61
- 238000004804 winding Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000011888 foil Substances 0.000 claims abstract description 108
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 10
- 239000005030 aluminium foil Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002994 raw material 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
- H01G9/0029—Processes of manufacture
-
- 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
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
- H01G9/045—Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of aluminium electrolutic capacitor when the rush of current of >=1.15 times of rated voltages and >=1A, occur without the sparking of aluminium electrolutic capacitor internal short-circuit, the method for winding of aluminum electrolytic capacitor core bag of blast and application and aluminium electrolutic capacitor, it includes that the anode foils that nail riveting has positive guide pin and nail riveting have the Cathode Foil of negative guide pin to clip electrolytic paper and be wound into core bag, it is characterized in that during winding, the width of the width ratio Cathode Foil of anode foils is the widest by 1.0, i.e. anode foils covered cathode paper tinsel, the difference between anode foils both sides adjacent with Cathode Foil is at least respectively 0.5；The inventive method is feasible, it is simple, convenient to implement, prepared aluminium electrolutic capacitor is when the rush of current of >=1.15 times of rated voltages and >=1A, explosion-proof valve is normally-open, internal short-circuit and explosion phenomenon do not occur, converter, welding machine, the technology requirement to aluminium electrolutic capacitor of the ups power equipment can be met.
Description
Technical field
The present invention relates to the production of a kind of aluminium electrolutic capacitor, the winding of a kind of aluminum electrolytic capacitor core bag
Method and application and aluminium electrolutic capacitor, particularly relate to a kind of aluminium electrolutic capacitor at >=1.15 times of rated voltages and >=1A
During rush of current, occur without aluminium electrolutic capacitor internal short-circuit sparking, blast aluminum electrolytic capacitor core bag method for winding and
Application and aluminium electrolutic capacitor.
Background technology
The core bag of aluminium electrolutic capacitor is generally nail riveting to have the anode foils of positive guide pin and follows closely riveting the Cathode Foil of negative guide pin
Clipping electrolytic paper to wind and form on nail volume machine, during winding, general Cathode Foil relatively anode foils is first rolled up, anode foils circumferential notch edge
Encased completely by electrolytic paper and Cathode Foil.Now, the burr at anode foils circumferential notch edge likely part punctures electrolytic paper, from
And make anode foils and Cathode Foil extra-high pressure (more than the 1.15 of rated value times), big electric current (>=1A) impact under short circuit occurs
Sparking is even exploded.
In recent years, along with the development of converter technique, converter, welding machine and ups power equipment etc. are to large-scale aluminium electrolysis electric capacity
Device proposes small size, resistance to extra-high pressure, the requirement of heavy current impact, it is allowed to aluminium electrolutic capacitor in extra-high pressure (more than volume
1.7 times of definite value), big electric current (>=300A) impact is lower lost efficacy, but being not allow for Mars emerges from complete machine, occurs without aluminium electroloysis
Capacitor internal short circuit sparking, blast.
To this end, can use one is to improve electrolyte flash over voltage, two is to improve aluminium foil pressure voltage, and three is to use high density,
The technical schemes such as the electrolytic paper of high thickness.But, improve electrolyte flash over voltage, the electrical conductivity of electrolyte can be reduced accordingly, electricity
Initial electrical characteristics DF of container are high.Improve aluminium foil pressure, aluminium foil specific volume can be reduced accordingly, it is impossible to meet small size requirement, increase meanwhile
Add the cost of raw material.Using high density, high thickness electrolytic paper, in the case of the product size limit, condenser capacity designed
Low, it is impossible to meet customer requirement.
Through test find, aluminium electrolutic capacitor occur under extra-high pressure, heavy current impact bottom explosion-proof valve abnormal opening,
The main cause that the sparking of cover plate pin terminals is even exploded is that core bag occurs that short circuit in various degree punctures, particularly at core bag
Position, paper tinsel limit exists substantially strikes sparks vestige, show anode foils, Cathode Foil paper tinsel burr under extra-high pressure, heavy current impact
Point discharge causes short circuit to puncture.
Summary of the invention
It is an object of the invention to provide a kind of aluminium electrolutic capacitor at >=1.15 times of rated voltages and the rush of current of >=1A
Time, the method for winding of the aluminum electrolytic capacitor core bag occur without the sparking of aluminium electrolutic capacitor internal short-circuit, exploding and application and aluminum
Electrolysis condenser.
The present invention adopts the following technical scheme that and realizes its goal of the invention, increases between anode foils and Cathode Foil paper tinsel limit
Distance, reduces the probability that anode foils causes short circuit to puncture with Cathode Foil burr in the electric discharge of electric field action lower prong, and then avoids aluminum
Electrolysis condenser because bearing extra-high pressure, big electric current is short-circuited the appearance of the defects such as sparking, blast.
The method for winding of a kind of aluminum electrolytic capacitor core bag, it includes that nail riveting has the anode foils of positive guide pin and nail riveting have negative
The Cathode Foil of guide pin clips electrolytic paper and is wound into core bag, and during winding, the width of the width ratio Cathode Foil of anode foils is the widest by 1.0,
I.e. anode foils covered cathode paper tinsel, the difference between anode foils both sides adjacent with Cathode Foil is at least respectively 0.5.
Difference between anode foils of the present invention both sides adjacent with Cathode Foil is respectively 0.5～0.75.
For avoiding anode foils roll set position that folding line occurs, reduce aluminium foil burr at core and thrust the distance of electrolytic paper, this
The coil diameter that rises during bright described anode foils winding is at least 5.2.
Roll set a diameter of 5.8～7 during anode foils of the present invention winding.
For increasing at core in anode foils and Cathode Foil the distance between burr, the length of anode foils of the present invention is than the moon
The length of pole paper tinsel is to the youthful and the elderly 4.0, i.e. between roll set position when roll set position during anode foils winding and anode foil winding
Difference is at least 2.0.
Anode foils of the present invention winding time roll set position and anode foil winding time roll set position between difference be 2.0
～3.0.
The application in aluminium electrolutic capacitor produces of the method for winding of a kind of aluminum electrolytic capacitor core bag described above.
The aluminium electrolutic capacitor that the method for winding of a kind of aluminum electrolytic capacitor core bag described above produces, described aluminium electroloysis electricity
Container is when the rush of current of >=1.15 times of rated voltages and >=1A, it is allowed to aluminium electrolutic capacitor explosion-proof valve is normally-open, does not goes out
Existing aluminium electrolutic capacitor internal short-circuit sparking, blast.
The aluminium electrolutic capacitor that the method for winding of a kind of aluminum electrolytic capacitor core bag described above produces, described aluminium electroloysis electricity
Container is when the rush of current of >=1.7 times of rated voltages and >=300A, it is allowed to aluminium electrolutic capacitor explosion-proof valve is normally-open, does not goes out
Existing aluminium electrolutic capacitor internal short-circuit sparking, blast.
Owing to using technique scheme, the present invention preferably achieves goal of the invention, and method is feasible, implements simple, side
Just, prepared aluminium electrolutic capacitor is when the rush of current of >=1.15 times of rated voltages and >=1A, and explosion-proof valve is normally-open, not
Internal short-circuit and explosion phenomenon occur, converter, welding machine, the technology requirement to aluminium electrolutic capacitor of the ups power equipment can be met.
Accompanying drawing explanation
Fig. 1 is the burr structure schematic diagram on prior art paper tinsel limit；
Fig. 2 is the structural representation of the burr on paper tinsel limit of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
In recent years, along with the development of converter technique, converter, welding machine and ups power equipment etc. are to large-scale aluminium electrolysis electric capacity
Device proposes small size, resistance to extra-high pressure, the requirement of heavy current impact, it is allowed to aluminium electrolutic capacitor in extra-high pressure (more than volume
1.7 times of definite value), big electric current (>=300A) impact is lower lost efficacy, but be not allow for Mars and emerge from complete machine.But, existing skill
Aluminium electrolutic capacitor prepared by art, under such extra-high pressure, heavy current impact, occurs that short circuit sparking is even exploded mostly.
Tracing it to its cause, when the core of aluminium electrolutic capacitor wraps in winding, anode foils is the most wide with Cathode Foil, and anode foils
With Cathode Foil during cutting, its paper tinsel limit can leave the most small burr, it is possible to part punctures electrolytic paper, by Fig. 1
Understand, due to the Distance Shortened between anode foils burr 4 and Cathode Foil burr 5, so, greatly reduce the insulation of electrolytic paper 3
Effect, improves the probability that burr causes short circuit to puncture in the electric discharge of electric field action lower prong.
Embodiment 1:
As shown in Figure 2, the method for winding of a kind of aluminum electrolytic capacitor core bag, it includes anode foils 1 He that nail riveting has positive guide pin
Nail riveting has the Cathode Foil 2 of negative guide pin to clip electrolytic paper 3 to be wound into core bag, the width of the width ratio Cathode Foil 2 of anode foils 1 during winding
The widest by 1.0, i.e. anode foils 1 covered cathode paper tinsel 2, the difference between anode foils 1 both sides adjacent with Cathode Foil 2 is at least respectively
0.5㎜。
Difference between anode foils 1 of the present invention both sides adjacent with Cathode Foil 2 is respectively 0.5～0.75.The present embodiment
Be 0.5, i.e. D value shown in Fig. 2 is 0.5.
The application in aluminium electrolutic capacitor produces of the method for winding of a kind of aluminum electrolytic capacitor core bag described above.
The aluminium electrolutic capacitor that the method for winding of a kind of aluminum electrolytic capacitor core bag described above produces, described aluminium electroloysis electricity
Container is when the rush of current of >=1.15 times of rated voltages and >=1A, it is allowed to aluminium electrolutic capacitor explosion-proof valve is normally-open, does not goes out
Existing aluminium electrolutic capacitor internal short-circuit sparking, blast.
The aluminium electrolutic capacitor that the method for winding of a kind of aluminum electrolytic capacitor core bag described above produces, described aluminium electroloysis electricity
Container is when the rush of current of >=1.7 times of rated voltages and >=300A, it is allowed to aluminium electrolutic capacitor explosion-proof valve is normally-open, does not goes out
Existing aluminium electrolutic capacitor internal short-circuit sparking, blast.
The present embodiment as a example by the aluminium electrolutic capacitor preparing 4,20V,390 30 × 45 specification, the core bag that will prepare on request
Be through impregnation with-riveting lid-group is vertical-step such as aging-sleeve pipe-inspection, during winding, adjusting nut or button handle, make the upper and lower paper tinsel of anode foils 1
Limit is respectively 0.5 with the distance on Cathode Foil 2 upper and lower paper tinsel limit, is finally fixed by core bag with adhesive tape.Choose qualified 10 aluminum electricity
Electrolysis condenser is tested under the conditions of magnitude of voltage 485Vdc, current value 1A and 720Vdc, current value 300A respectively, inside result core bag
Normally, without short circuit sparking vestige and explosion phenomenon, also without outside terminal short circuit sparking, blast.
As shown in Figure 2, during due to winding, the width of the width ratio Cathode Foil 2 of anode foils 1 is wanted width, is increased paper tinsel limit anode
Distance between paper tinsel burr 4 and Cathode Foil burr 5, so, greatly reduces burr and causes short in the electric discharge of electric field action lower prong
The probability that road punctures.Prepared aluminium electrolutic capacitor can meet converter, welding machine, ups power equipment to aluminium electrolutic capacitor
Technology requirement.
Embodiment 2:
The present embodiment chooses the aluminium electrolutic capacitor 10 of qualified 5,00V,330 30 × 50 specification, at magnitude of voltage 575Vdc, electricity
Testing respectively under the conditions of flow valuve 1A and 850Vdc, current value 300A, result core bag is internal normal, without short circuit sparking vestige and blast
Phenomenon, also without outside terminal short circuit sparking, blast.
Remaining with embodiment 1.
Embodiment 3:
For avoiding anode foils 1 roll set position that folding line occurs, reduce aluminium foil burr at core and thrust the distance of electrolytic paper 3, the present invention
The coil diameter that rises when described anode foils 1 winds is at least 5.2.
Roll set a diameter of 5.8～7 when anode foils 1 of the present invention winds.The present embodiment is 5.8.
The present embodiment as a example by the aluminium electrolutic capacitor preparing 4,20V,390 30 × 45 specification, the core bag that will prepare on request
Be through impregnation with-riveting lid-group is vertical-step such as aging-sleeve pipe-inspection, during winding, increase the first volume length of electrolytic paper 3, make aluminium foil roll set
A diameter of 5.8.Choose qualified 10 aluminium electrolutic capacitor at magnitude of voltage 485Vdc, current value 1A and 720Vdc, current value
Testing respectively under the conditions of 300A, result core bag is internal normal, without short circuit sparking vestige and explosion phenomenon, also without outside terminal short circuit
Sparking, blast.
The present embodiment strengthens the coil diameter that rises when anode foils 1 winds, and one side reduces aluminium foil burr and thrusts electrolytic paper
Distance, reduces the probability that burr causes short circuit to puncture in the electric discharge of electric field action lower prong；On the other hand, it also avoid anode foils 1
There is observable folding line under optical microscope in (about roll set 0 starts to 50 positions) at roll set position, and then avoids electric capacity
Device because of bear high voltage, big electric current be short-circuited at core position puncture, the appearance of the defect such as blast.
Remaining with embodiment 1.
Embodiment 4:
The present embodiment chooses the aluminium electrolutic capacitor 10 of qualified 5,00V,330 30 × 50 specification, at magnitude of voltage 575Vdc, electricity
Testing respectively under the conditions of flow valuve 1A and 850Vdc, current value 300A, result core bag is internal normal, without short circuit sparking vestige and blast
Phenomenon, also without outside terminal short circuit sparking, blast.
Remaining with embodiment 1,3.
Embodiment 5:
For increasing at core in anode foils and Cathode Foil the distance between burr, the length of anode foils of the present invention compares Cathode Foil
Length to the youthful and the elderly 4.0, i.e. difference between roll set position when roll set position during anode foils winding and anode foil winding
At least 2.0.
The difference between roll set position when roll set position when anode foils 1 of the present invention winds and anode foil 2 wind is 2.0
～3.0.The present embodiment is 2.0.
The present embodiment as a example by the aluminium electrolutic capacitor preparing 4,20V,390 30 × 45 specification, the core bag that will prepare on request
Be through impregnation with-riveting lid-group is vertical-step such as aging-sleeve pipe-inspection, during winding, increase the first volume length of electrolytic paper 3, make aluminium foil roll set
A diameter of 5.8；Anode foils 1 and the unequal length of Cathode Foil 2, i.e. negative and positive are completed by governor motor stroke in the first volume stage
Pole paper tinsel 1, Cathode Foil 2 send paper tinsel length inconsistent；In the tail volume stage by anode foils 1 foil-cutting knife and Cathode Foil 2 foil-cutting knife of staggering, make
Anode foils 1 is not cut off at same vertical position with Cathode Foil 2；Ensure that the length of anode foils 1 is longer than the length of Cathode Foil 2, finally
With adhesive tape, core bag is fixed.Choose qualified 10 aluminium electrolutic capacitor at magnitude of voltage 485Vdc, current value 1A and 720Vdc, electricity
Testing respectively under the conditions of flow valuve 300A, result core bag is internal normal, without short circuit sparking vestige and explosion phenomenon, also without outside terminal
Short circuit sparking, blast.
The length of the present embodiment anode foils 1 is longer than the length of Cathode Foil 2, increase at core winding core anode foils burr 4 with
Distance between Cathode Foil burr 5, so, has been greatly reduced burr and has caused short circuit to puncture in the electric discharge of electric field action lower prong
Probability.
Embodiment 6:
The present embodiment chooses the aluminium electrolutic capacitor 10 of qualified 5,00V,330 30 × 50 specification, at magnitude of voltage 575Vdc, electricity
Testing respectively under the conditions of flow valuve 1A and 850Vdc, current value 300A, result core bag is internal normal, without short circuit sparking vestige and blast
Phenomenon, also without outside terminal short circuit sparking, blast.
Remaining with embodiment 1,5.
Claims (10)
1. a method for winding for aluminum electrolytic capacitor core bag, it includes that nail riveting has the anode foils of positive guide pin and nail riveting have negative leading
The Cathode Foil of pin clips electrolytic paper and is wound into core bag, it is characterized in that during winding, the width of the width ratio Cathode Foil of anode foils is the widest
1.0, i.e. anode foils covered cathode paper tinsel, the difference between anode foils both sides adjacent with Cathode Foil is at least respectively 0.5.
The most according to claim 1, the method for winding of aluminum electrolytic capacitor core bag, is characterized in that when described anode foils winds
Play coil diameter and be at least 5.2.
The most according to claim 1, the method for winding of aluminum electrolytic capacitor core bag, is characterized in that the length ratio of described anode foils
The length of Cathode Foil is to the youthful and the elderly 4.0, i.e. between roll set position when roll set position during anode foils winding and anode foil winding
Difference be at least 2.0.
The most according to claim 2, the method for winding of aluminum electrolytic capacitor core bag, is characterized in that the length ratio of described anode foils
The length of Cathode Foil is to the youthful and the elderly 4.0, i.e. between roll set position when roll set position during anode foils winding and anode foil winding
Difference be at least 2.0.
The most according to claim 1, the method for winding of aluminum electrolytic capacitor core bag, is characterized in that anode foils is adjacent with Cathode Foil
Difference between both sides is respectively 0.5～0.75.
The most according to claim 1, the method for winding of aluminum electrolytic capacitor core bag, is characterized in that roll set when anode foils winds
A diameter of 5.8～7.
The most according to claim 1, the method for winding of aluminum electrolytic capacitor core bag, is characterized in that roll set when anode foils winds
The difference between roll set position when position and anode foil winding is 2.0～3.0.
8. one kind as described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 method for winding of aluminum electrolytic capacitor core bag in aluminium electroloysis
Application in capacitor production.
9. the aluminum that the method for winding of an aluminum electrolytic capacitor core bag as described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 produces
Electrolysis condenser, is characterized in that described aluminium electrolutic capacitor is when the rush of current of >=1.15 times of rated voltages and >=1A, it is allowed to
Aluminium electrolutic capacitor explosion-proof valve is normally-open, occurs without the sparking of aluminium electrolutic capacitor internal short-circuit, blast.
10. the method for winding of an aluminum electrolytic capacitor core bag as described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 produces
Aluminium electrolutic capacitor, is characterized in that described aluminium electrolutic capacitor, when the rush of current of >=1.7 times of rated voltages and >=300A, is permitted
Permitted aluminium electrolutic capacitor explosion-proof valve normally-open, occurred without the sparking of aluminium electrolutic capacitor internal short-circuit, blast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610761088.8A CN106158379B (en) | 2016-08-30 | 2016-08-30 | The winding method of aluminum electrolytic capacitor core packet and application and aluminium electrolutic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610761088.8A CN106158379B (en) | 2016-08-30 | 2016-08-30 | The winding method of aluminum electrolytic capacitor core packet and application and aluminium electrolutic capacitor |
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| Publication Number | Publication Date |
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| CN106158379A true CN106158379A (en) | 2016-11-23 |
| CN106158379B CN106158379B (en) | 2018-10-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1116788A (en) * | 1997-06-25 | 1999-01-22 | Nippon Chemicon Corp | Electrolytic capacitor |
| CN1698147A (en) * | 2003-02-12 | 2005-11-16 | 三洋电机株式会社 | Solid electrolytic capacitor |
| CN203103131U (en) * | 2012-12-17 | 2013-07-31 | 东莞市卓昊电子有限公司 | Aluminium electrolytic capacitor convenient for heat radiation |
| CN203406176U (en) * | 2013-07-17 | 2014-01-22 | 深圳市智胜新电子技术有限公司 | Capacitor and core group thereof |
-
2016
- 2016-08-30 CN CN201610761088.8A patent/CN106158379B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1116788A (en) * | 1997-06-25 | 1999-01-22 | Nippon Chemicon Corp | Electrolytic capacitor |
| CN1698147A (en) * | 2003-02-12 | 2005-11-16 | 三洋电机株式会社 | Solid electrolytic capacitor |
| CN203103131U (en) * | 2012-12-17 | 2013-07-31 | 东莞市卓昊电子有限公司 | Aluminium electrolytic capacitor convenient for heat radiation |
| CN203406176U (en) * | 2013-07-17 | 2014-01-22 | 深圳市智胜新电子技术有限公司 | Capacitor and core group thereof |
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| Publication number | Publication date |
|---|---|
| CN106158379B (en) | 2018-10-19 |
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