CN106158379B - The winding method of aluminum electrolytic capacitor core packet and application and aluminium electrolutic capacitor - Google Patents
The winding method of aluminum electrolytic capacitor core packet and application and aluminium electrolutic capacitor Download PDFInfo
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- CN106158379B CN106158379B CN201610761088.8A CN201610761088A CN106158379B CN 106158379 B CN106158379 B CN 106158379B CN 201610761088 A CN201610761088 A CN 201610761088A CN 106158379 B CN106158379 B CN 106158379B
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- aluminium electrolutic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
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Abstract
The invention discloses a kind of aluminium electrolutic capacitors in the rush of current of >=1.15 times of rated voltages and >=1A, do not occur the winding method of the aluminum electrolytic capacitor core packet of the sparking of aluminium electrolutic capacitor internal short-circuit, explosion and application and aluminium electrolutic capacitor, it includes having the anode foils of positive guide pin and nail riveting to have the Cathode Foil of negative guide pin to clip electrolytic paper nail riveting to be wound into core packet, it is characterized in that the width of anode foils is at least wider 1.0 ㎜ than the width of Cathode Foil when winding, that is anode foils covered cathode foil, the difference between anode foils both sides adjacent with Cathode Foil are at least respectively 0.5 ㎜；The method of the present invention is feasible, implement simply, conveniently, prepared aluminium electrolutic capacitor is in the rush of current of >=1.15 times of rated voltages and >=1A, explosion-proof valve is normally-open, do not occur internal short-circuit and explosion phenomenon, the technology requirement of frequency converter, welding machine, ups power equipment to aluminium electrolutic capacitor can be met.
Description
Technical field
The present invention relates to a kind of production of aluminium electrolutic capacitor, specifically a kind of winding of aluminum electrolytic capacitor core packet
Method and application and aluminium electrolutic capacitor, more particularly to a kind of aluminium electrolutic capacitor in >=1.15 times of rated voltages and >=1A
When rush of current, do not occur aluminium electrolutic capacitor internal short-circuit sparking, explosion aluminum electrolytic capacitor core packet winding method and
Using and aluminium electrolutic capacitor.
Background technology
The core packet of aluminium electrolutic capacitor, which is generally, will follow closely the Cathode Foil that riveting has the anode foils of positive guide pin to have negative guide pin with nail riveting
It clips electrolytic paper to wind on nail volume machine, when winding, general Cathode Foil is first rolled up compared with anode foils, anode foils circumferential notch edge
It is encased completely by electrolytic paper and Cathode Foil.At this point, the burr at anode foils circumferential notch edge, which is possible to part, punctures electrolytic paper, from
And make anode foils with Cathode Foil in extra-high voltage（More than 1.15 times of rated value）, high current（≥1A）Impact under occur short circuit
Sparking is even exploded.
In recent years, with the development of converter technique, frequency converter, welding machine and ups power equipment etc. are to large-scale aluminium electrolysis capacitance
Device proposes the requirement of small size, resistance to extra-high voltage, heavy current impact, allows aluminium electrolutic capacitor in extra-high voltage（More than volume
1.7 times of definite value）, high current（≥300A）The lower failure of impact, but be not allow for Mars emerges from complete machine, aluminium electroloysis does not occur
Capacitor internal short circuit sparking, explosion.
For this purpose, can be used one is raising electrolyte flash over voltage, second is that aluminium foil pressure voltage is improved, third, high density is used,
The technical solutions such as the electrolytic paper of high thickness.But electrolyte flash over voltage is improved, the conductivity of electrolyte can be accordingly reduced, electricity
The initial electrical characteristics DF high of container.Aluminium foil pressure resistance is improved, aluminium foil specific volume can be accordingly reduced, cannot be satisfied small size requirement, meanwhile, increase
Add the cost of raw material.Using high density, high thickness electrolytic paper, in the case of the product size limit, condenser capacity designed
It is low, it cannot be satisfied customer requirement.
It is found through experiment that there is bottom explosion-proof valve abnormal opening under extra-high voltage, heavy current impact in aluminium electrolutic capacitor,
The main reason for sparking of cover board pin terminals is even exploded is that core packet different degrees of short circuit breakdown occurs, especially in core packet
There is apparent sparking trace at the position of foil side, shows the foil burr of anode foils, Cathode Foil under extra-high voltage, heavy current impact
Point discharge causes short-circuit breakdown.
Invention content
The object of the present invention is to provide a kind of aluminium electrolutic capacitors in >=1.15 times of rated voltages and the rush of current of >=1A
When, do not occur the winding method of the aluminum electrolytic capacitor core packet of the sparking of aluminium electrolutic capacitor internal short-circuit, explosion and application and aluminium
Electrolytic capacitor.
The present invention, which adopts the following technical scheme that, realizes its goal of the invention, increases between anode foils and Cathode Foil foil side
Distance reduces the probability that anode foils cause short circuit to puncture with Cathode Foil burr in the electric discharge of electric field action lower prong, and then avoids aluminium
Appearance of the electrolytic capacitor because of the defects of bearing extra-high voltage, high current generation short circuit sparking, explosion.
A kind of winding method of aluminum electrolytic capacitor core packet, it include will follow closely riveting have positive guide pin anode foils and nail riveting have it is negative
The Cathode Foil of guide pin clips electrolytic paper and is wound into core packet, and the width of anode foils is at least wider 1.0 ㎜ than the width of Cathode Foil when winding,
That is anode foils covered cathode foil, the difference between anode foils both sides adjacent with Cathode Foil are at least respectively 0.5 ㎜.
Difference between anode foils of the present invention both sides adjacent with Cathode Foil is respectively the ㎜ of 0.5 ㎜~0.75.
To avoid anode foils roll set position from folding line occur, reduce the distance that aluminium foil burr at core is pierced into electrolytic paper, this hair
The coil diameter that rises when the bright anode foils winding is at least 5.2 ㎜.
The a diameter of ㎜ of 5.8 ㎜~7 of roll set when anode foils winding of the present invention.
To increase the distance between anode foils and burr in Cathode Foil at core, the length of anode foils of the present invention is than cloudy
The length of pole foil is to 4.0 ㎜ of the youthful and the elderly, i.e., between roll set position when roll set position and anode foil when anode foils are wound are wound
Difference is at least 2.0 ㎜.
The difference between roll set position when roll set position and anode foil when anode foils winding of the present invention are wound is 2.0 ㎜
~3.0 ㎜.
A kind of application of the winding method of aluminum electrolytic capacitor core packet as described above in aluminium electrolutic capacitor production.
A kind of aluminium electrolutic capacitor of the winding method production of aluminum electrolytic capacitor core packet as described above, the aluminium electroloysis electricity
Container allows aluminium electrolutic capacitor explosion-proof valve normally-open, does not go out in the rush of current of >=1.15 times of rated voltages and >=1A
Existing aluminium electrolutic capacitor internal short-circuit sparking, explosion.
A kind of aluminium electrolutic capacitor of the winding method production of aluminum electrolytic capacitor core packet as described above, the aluminium electroloysis electricity
Container allows aluminium electrolutic capacitor explosion-proof valve normally-open, does not go out in the rush of current of >=1.7 times of rated voltages and >=300A
Existing aluminium electrolutic capacitor internal short-circuit sparking, explosion.
Due to the adoption of the above technical scheme, the present invention preferably realizes goal of the invention, and method is feasible, implements simple, side
Just, for prepared aluminium electrolutic capacitor in the rush of current of >=1.15 times of rated voltages and >=1A, explosion-proof valve is normally-open, not
There is internal short-circuit and explosion phenomenon, the technology requirement of frequency converter, welding machine, ups power equipment to aluminium electrolutic capacitor can be met.
Description of the drawings
Fig. 1 is the burr structure schematic diagram on prior art foil side；
Fig. 2 is the structural schematic diagram of the burr on foil side of the present invention.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments.
In recent years, with the development of converter technique, frequency converter, welding machine and ups power equipment etc. are to large-scale aluminium electrolysis capacitance
Device proposes the requirement of small size, resistance to extra-high voltage, heavy current impact, allows aluminium electrolutic capacitor in extra-high voltage（More than volume
1.7 times of definite value）, high current（≥300A）The lower failure of impact, but be not allow for Mars and emerge from complete machine.But existing skill
There is short circuit sparking and even explodes mostly under such extra-high voltage, heavy current impact in aluminium electrolutic capacitor prepared by art.
To find out its cause, the core packet of aluminium electrolutic capacitor is in winding, anode foils are generally wide with Cathode Foil, and anode foils
With Cathode Foil during cutting, foil side can leave extremely small burr, it is possible to electrolytic paper partly be punctured, by Fig. 1
It is found that since the distance between anode foils burr 4 and Cathode Foil burr 5 shorten, in this way, greatly reducing 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, a kind of winding method of aluminum electrolytic capacitor core packet, it includes that will follow closely riveting to have the anode foils of positive guide pin
1 and nail riveting there is the Cathode Foil 2 of negative guide pin to clip electrolytic paper 3 to be wound into core packet, the width of anode foils 1 is than Cathode Foil 2 when winding
At least wide 1.0 ㎜ of width, i.e. 1 covered cathode foil 2 of anode foils, the difference between 2 adjacent both sides of anode foils 1 and Cathode Foil are at least divided
It Wei not 0.5 ㎜.
Difference between 2 adjacent both sides of anode foils 1 and Cathode Foil of the present invention is respectively the ㎜ of 0.5 ㎜~0.75.The present embodiment
For 0.5 ㎜, i.e., D values shown in Fig. 2 are 0.5 ㎜.
A kind of application of the winding method of aluminum electrolytic capacitor core packet as described above in aluminium electrolutic capacitor production.
A kind of aluminium electrolutic capacitor of the winding method production of aluminum electrolytic capacitor core packet as described above, the aluminium electroloysis electricity
Container allows aluminium electrolutic capacitor explosion-proof valve normally-open, does not go out in the rush of current of >=1.15 times of rated voltages and >=1A
Existing aluminium electrolutic capacitor internal short-circuit sparking, explosion.
A kind of aluminium electrolutic capacitor of the winding method production of aluminum electrolytic capacitor core packet as described above, the aluminium electroloysis electricity
Container allows aluminium electrolutic capacitor explosion-proof valve normally-open, does not go out in the rush of current of >=1.7 times of rated voltages and >=300A
Existing aluminium electrolutic capacitor internal short-circuit sparking, explosion.
The present embodiment is for preparing the aluminium electrolutic capacitor of 30 × 45 specifications of 420V390, the core packet that will prepare as required
Through dipping-riveting lid-group it is vertical-aging-casing-inspection, when winding, adjusting nut or button handle make 1 upper and lower foil of anode foils
It is respectively 0.5 ㎜ at a distance from while with 2 upper and lower foil of Cathode Foil, is finally fixed core packet with adhesive tape.Choose 10 qualified aluminium electricity
Electrolysis condenser is tested respectively under the conditions of voltage value 485Vdc, current value 1A and 720Vdc, current value 300A, as a result inside core packet
Normally, no short circuit sparking trace and explosion phenomenon, also without external terminal short circuit sparking, explosion.
When as shown in Figure 2, due to winding, the width of anode foils 1 is wider than the width of Cathode Foil 2, increases foil side anode
The distance between foil burr 4 and Cathode Foil burr 5, in this way, greatly reduce burr electric field action lower prong electric discharge cause it is short
The probability of road breakdown.Prepared aluminium electrolutic capacitor can meet frequency 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 30 × 50 specifications of 500V330, in voltage value
It is tested respectively under the conditions of 575Vdc, current value 1A and 850Vdc, current value 300A, as a result normal inside core packet, no short circuit sparking
Trace and explosion phenomenon, also without external terminal short circuit sparking, explosion.
Remaining same embodiment 1.
Embodiment 3：
To avoid 1 roll set position of anode foils from folding line occur, reduce the distance that aluminium foil burr at core is pierced into electrolytic paper 3, originally
It invents the coil diameter that the rises when anode foils 1 are wound and is at least 5.2 ㎜.
The a diameter of ㎜ of 5.8 ㎜~7 of roll set when anode foils 1 of the present invention are wound.The present embodiment is 5.8 ㎜.
The present embodiment is for preparing the aluminium electrolutic capacitor of 30 × 45 specifications of 420V390, the core packet that will prepare as required
Through dipping-riveting lid-group it is vertical-aging-casing-inspection, when winding, increase the first volume length of electrolytic paper 3, make aluminium foil roll set
A diameter of 5.8 ㎜.10 qualified aluminium electrolutic capacitors are chosen in voltage value 485Vdc, current value 1A and 720Vdc, current value
It is tested respectively under the conditions of 300A, as a result normal inside core packet, no short circuit sparking trace and explosion phenomenon, also without external terminal short circuit
Sparking, explosion.
The present embodiment increases and plays coil diameter when anode foils 1 are wound, and on the one hand reduces aluminium foil burr and is pierced into 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, anode foils 1 are also avoided
Roll set position（About 0 ㎜ of roll set starts to 50 positions ㎜）There is observable folding line under light microscope, and then avoids capacitance
Device is because bearing the appearance of high voltage, high current the defects of short circuit breakdown, explosion occur for core position.
Remaining same embodiment 1.
Embodiment 4：
The present embodiment chooses the aluminium electrolutic capacitor 10 of qualified 30 × 50 specifications of 500V330, in voltage value
It is tested respectively under the conditions of 575Vdc, current value 1A and 850Vdc, current value 300A, as a result normal inside core packet, no short circuit sparking
Trace and explosion phenomenon, also without external terminal short circuit sparking, explosion.
Remaining same embodiment 1,3.
Embodiment 5：
To increase the distance between anode foils and burr in Cathode Foil at core, the length of anode foils of the present invention is than cloudy
The length of pole foil is to 4.0 ㎜ of the youthful and the elderly, i.e., between roll set position when roll set position and anode foil when anode foils are wound are wound
Difference is at least 2.0 ㎜.
The difference between roll set position when roll set position and anode foil 2 when anode foils 1 of the present invention are wound are wound is 2.0
The ㎜ of ㎜~3.0.The present embodiment is 2.0 ㎜.
The present embodiment is for preparing the aluminium electrolutic capacitor of 30 × 45 specifications of 420V390, the core packet that will prepare as required
Through dipping-riveting lid-group it is vertical-aging-casing-inspection, when winding, increase the first volume length of electrolytic paper 3, make aluminium foil roll set
A diameter of 5.8 ㎜；In the just volume stage anode foils 1 and 2 unequal length of Cathode Foil, i.e. negative and positive are completed by adjusting motor stroke
Pole foil 1, Cathode Foil 2 send foil length inconsistent；The stage is rolled up by 1 foil-cutting knife of anode foils and 2 foil-cutting knife of Cathode Foil of being staggered in tail, is made
Anode foils 1 are not cut with Cathode Foil 2 in same vertical position；Ensure that the length of anode foils 1 is longer than the length of Cathode Foil 2, finally
Core packet is fixed with adhesive tape.10 qualified aluminium electrolutic capacitors are chosen in voltage value 485Vdc, current value 1A and 720Vdc, electricity
It is tested respectively under the conditions of flow valuve 300A, as a result normal inside core packet, no short circuit sparking trace and explosion phenomenon, also without external terminal
Short circuit sparking, explosion.
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
The distance between Cathode Foil burr 5 causes short circuit to puncture in this way, being greatly reduced burr in the electric discharge of electric field action lower prong
Probability.
Embodiment 6：
The present embodiment chooses the aluminium electrolutic capacitor 10 of qualified 30 × 50 specifications of 500V330, in voltage value
It is tested respectively under the conditions of 575Vdc, current value 1A and 850Vdc, current value 300A, as a result normal inside core packet, no short circuit sparking
Trace and explosion phenomenon, also without external terminal short circuit sparking, explosion.
Remaining same embodiment 1,5.
Claims (7)
1. a kind of winding method of aluminum electrolytic capacitor core packet, the electric current for being produced on >=1.15 times of rated voltages and >=1A rushes
When hitting, do not occur the aluminum electrolytic capacitor core packet of the sparking of aluminium electrolutic capacitor internal short-circuit, explosion, the aluminum electrolytic capacitor core
The winding method of packet, including there are the anode foils of positive guide pin and nail riveting to there is the Cathode Foil of negative guide pin to clip electrolytic paper nail riveting and be wound into
Core packet, it is characterized in that the width of anode foils is at least wider 1.0 ㎜ than the width of Cathode Foil when winding, i.e. anode foils covered cathode foil,
Difference between anode foils both sides adjacent with Cathode Foil is at least respectively 0.5 ㎜；Adjusting nut or button handle, make the sun when winding
The upper and lower foil of pole foil in foil upper and lower with the Cathode Foil at a distance from be at least respectively 0.5 ㎜, and with adhesive tape by the core Bao Gu
It is fixed；The coil diameter that rises when the anode foils winding is at least 5.2 ㎜；The length of the anode foils than Cathode Foil length to the youthful and the elderly
4.0 ㎜, i.e. anode foils wind when roll set position and negative foil roll around when roll set position between difference be at least 2.0 ㎜.
2. the winding method of aluminum electrolytic capacitor core packet according to claim 1, it is characterized in that anode foils are adjacent with Cathode Foil
Difference between both sides is respectively the ㎜ of 0.5 ㎜~0.75.
3. the winding method of aluminum electrolytic capacitor core packet according to claim 1, it is characterized in that roll set when anode foils are wound
A diameter of ㎜ of 5.8 ㎜~7.
4. the winding method of aluminum electrolytic capacitor core packet according to claim 1, it is characterized in that roll set when anode foils are wound
Position and negative foil roll around when roll set position between difference be the ㎜ of 2.0 ㎜~3.0.
5. a kind of winding method of aluminum electrolytic capacitor core packet as claimed in claim 1 or 2 or 3 or 4 is given birth in aluminium electrolutic capacitor
Application in production.
6. a kind of alminium electrolytic condenser of the winding method production of aluminum electrolytic capacitor core packet as claimed in claim 1 or 2 or 3 or 4
Device, it is characterized in that the aluminium electrolutic capacitor in the rush of current of >=1.15 times of rated voltages and >=1A, allows aluminium electroloysis electricity
Container explosion-proof valve is normally-open, does not occur the sparking of aluminium electrolutic capacitor internal short-circuit, explosion.
7. a kind of alminium electrolytic condenser of the winding method production of aluminum electrolytic capacitor core packet as claimed in claim 1 or 2 or 3 or 4
Device, it is characterized in that the aluminium electrolutic capacitor in the rush of current of >=1.7 times of rated voltages and >=300A, allows aluminium electroloysis electricity
Container explosion-proof valve is normally-open, does not occur the sparking of aluminium electrolutic capacitor internal short-circuit, explosion.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106158379A CN106158379A (en) | 2016-11-23 |
| CN106158379B true CN106158379B (en) | 2018-10-19 |
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| CN201610761088.8A Active 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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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4081618B2 (en) * | 1997-06-25 | 2008-04-30 | 日本ケミコン株式会社 | Electrolytic capacitor |
| JP2004265924A (en) * | 2003-02-12 | 2004-09-24 | Sanyo Electric Co Ltd | 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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