CN104465108A - Aluminum electrolytic capacitor resistant to lightning strokes - Google Patents
Aluminum electrolytic capacitor resistant to lightning strokes Download PDFInfo
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- CN104465108A CN104465108A CN201410668365.1A CN201410668365A CN104465108A CN 104465108 A CN104465108 A CN 104465108A CN 201410668365 A CN201410668365 A CN 201410668365A CN 104465108 A CN104465108 A CN 104465108A
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Abstract
The invention provides an aluminum electrolytic capacitor resistant to lightning strokes. The aluminum electrolytic capacitor comprises an aluminum shell and a sealing rubber plug arranged on the aluminum shell. An element is arranged in the aluminum shell and is formed by winding negative-electrode aluminum foil, positive-electrode aluminum foil and electrolytic paper. The negative-electrode aluminum foil and the positive-electrode aluminum foil are connected with one end of a negative guide pin and one end of a positive guide pin respectively, and the other end of the negative guide pin and the other end of the positive guide pin penetrate through the sealing rubber plug and are arranged outside the aluminum shell. The aluminum electrolytic capacitor is characterized in that four layers of electrolytic paper is arranged between the adjacent negative-electrode aluminum foil and positive-electrode aluminum foil, the thickness of each layer of electrolytic paper is 20-40 microns, the thickness of the positive-electrode aluminum foil is 90-110 microns, and the thickness of the negative-electrode aluminum foil is 20-50 microns. Insulating coating films are arranged on the inner surface and the outer surface of the aluminum shell, and the aluminum shell is arranged in a rubber pipe. The aluminum electrolytic capacitor resistant to lightning strokes can be resistant to high overload voltage, has the lightening stroke resisting effect and is safe and reliable, the aluminum electrolytic capacitor can be produced through existing equipment, the rate of finished products is ensured, and the service life is long.
Description
Technical field
The present invention relates to a kind of aluminium electrolytic capacitor of anti-lightning, belong to aluminium electrolytic capacitor technical field.
Background technology
Alminium electrolytic condenser is mainly used in filtering, bypass, coupling, itself need certain transient overvoltage ability to bear, and alminium electrolytic condenser itself is had to the ability of certain resistance to surge voltage, therefore normally can not exceed the overvoltage ability to bear of alminium electrolytic condenser under service condition.But when higher overvoltage is applied to complete machine instantaneously, such as when meeting with thunderbolt, the voltage fluctuation of moment is extremely violent, often causes alminium electrolytic condenser to lose efficacy because of too high transient voltage.
Summary of the invention
The object of this invention is to provide a kind of aluminium electrolytic capacitor of anti-lightning.
In order to achieve the above object, the invention provides a kind of aluminium electrolytic capacitor of anti-lightning, comprise aluminum hull and be located at the sealing plug on aluminum hull, sub-prime is provided with in aluminum hull, described sub-prime passes through anode foil, cathode foil and electrolytic paper winding are formed, anode foil and cathode foil are connected one end of negative guide pin and positive guide pin respectively, the other end of negative guide pin and positive guide pin is located at outside aluminum hull through sealing plug, described sub-prime is soaked with electrolyte, it is characterized in that, the surfaces externally and internally of described aluminum hull all has insulation plated film, the dielectric strength at the explosion-proof line place of described insulation plated film reaches more than 500V, the dielectric strength of remainder reaches more than 600V, described sealing plug is the butyl rubber of more than insulation voltage 500V, and it is in the sebific duct of more than 10KV/mm that described aluminum hull is located at dielectric strength.
Preferably, described cathode foil is high withstand voltage aluminium foil, and its purity reaches more than 99.9%, withstand voltagely reaches more than 640V, and its thickness is 90 ~ 110 μm μm.
Preferably, described anode foil is the aluminium foil that purity reaches more than 99.9%, making alive 1V ~ 3V, and its thickness is 20 μm ~ 50 μm.
Preferably, be provided with four layers of electrolytic paper between adjacent anode foil and cathode foil, the thickness of every layer of electrolytic paper is 20-40 μm.
More preferably, be provided with two hd dual-layered electrolytic papers between described adjacent anode foil and cathode foil, the density of described electrolytic paper is 0.80g/cm3 ~ 0.90g/cm3.
Preferably, the conductivity of described electrolyte reaches 0.9mS/cm ~ 1.0mS/cm, pH value 6.0 ~ 7.0, more than flash over voltage 550V.
Preferably, described negative guide pin and positive guide pin are aluminium matter, and purity is more than 99.99%, more than formation voltage 350V.
Anti-lightning alminium electrolytic condenser of the present invention can normal load work under 700VDC constant voltage, bear under 750VDC surge voltage 2000 times without exception, pass through smoothly in the anti-lightning test of 4KV grade.。
Compared with prior art, the invention has the beneficial effects as follows:
The aluminium electrolytic capacitor of anti-lightning of the present invention can anti high overload voltage, has the effect of anti-lightning, and safe and reliable, and existing equipment can be produced, and rate of finished products is guaranteed, the life-span is long.
Accompanying drawing explanation
Fig. 1 is aluminum electrolytic capacitor element winding schematic diagram;
Fig. 2 is aluminium electrolytic capacitor structural representation.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
As shown in Figure 2, the aluminium electrolytic capacitor of anti-lightning of the present invention, comprise aluminum hull 8 and be located at the sealing plug 10 on aluminum hull 8, sub-prime 9 is provided with in aluminum hull 8, described sub-prime is soaked with electrolyte, and the surfaces externally and internally of described aluminum hull 8 all has insulation plated film, and its material is nylon, the dielectric strength at the explosion-proof line place of described insulation plated film reaches 500V, and the dielectric strength of remainder reaches 600V; Described sealing plug 10 is the butyl rubber of insulation voltage 500V, and it is in the sebific duct of 10KV/mm that described aluminum hull is located at dielectric strength.As shown in Figure 1, described sub-prime 8 is formed by anode foil 1, cathode foil 2 and electrolytic paper winding, anode foil 1 and cathode foil 2 are connected one end of negative guide pin 12 and positive guide pin 13 respectively, and the other end of negative guide pin 12 and positive guide pin 13 is located at outside aluminum hull 8 through sealing plug 10.
Described cathode foil is high withstand voltage aluminium foil, and its purity reaches 99.9%, withstand voltagely reaches 640V, and its thickness is 110 μm.Described anode foil is the aluminium foil that purity reaches 99.9%, making alive 3V, and its thickness is 40 μm.Be provided with two hd dual-layered electrolytic papers 3 between adjacent anode foil and cathode foil, the thickness of every layer of electrolytic paper is 30 μm, and density is 0.80g/cm3 ~ 0.90g/cm3.The conductivity of described electrolyte reaches 1.0mS/cm, pH value 6.5, flash over voltage 550V.Described negative guide pin and positive guide pin are aluminium matter, and purity is 99.9%, formation voltage 350V.The termination of the double-deck electrolytic paper 7 of the low-density on the downside of described negative pole aluminium foil 1 is provided with electron level adhesive tape 4.
During making, by negative pole aluminium foil 1, hd dual-layered electrolytic paper 3, 7, positive pole aluminium foil 2, hd dual-layered electrolytic paper 7 and 3 is arranged in order from top to bottom, the tongue thorn riveting of positive guide pin 13 is located at above positive pole aluminium foil 2, the tongue thorn riveting of negative guide pin 12 is located at above negative pole aluminium foil 1, the termination of the double-deck electrolytic paper 7 of the low-density on the downside of described negative pole aluminium foil 1 connects electron level adhesive tape 4, be wound into sub-prime 9, after impregnation electrolyte, load aluminum hull 8, assembling sealing plug 10 also completes sealing assembling, sebific duct on aluminum hull 8 overcoat, aluminium electrolytic capacitor finished product is become again after the operation such as aging.
Aluminium electrolytic capacitor of the present invention can normal load work under 700VDC constant voltage, bear under 750VDC surge voltage 2000 times without exception, pass through smoothly in the anti-lightning test of 4KV grade.
Claims (7)
1. the aluminium electrolytic capacitor of an anti-lightning, comprise aluminum hull (8) and be located at the sealing plug (10) on aluminum hull (8), sub-prime (9) is provided with in aluminum hull (8), described sub-prime (8) is by negative pole aluminium foil (2), positive pole aluminium foil (1) and electrolytic paper winding are formed, negative pole aluminium foil (2) and positive pole aluminium foil (1) are connected one end of negative guide pin (12) and positive guide pin (13) respectively, the other end of negative guide pin (12) and positive guide pin (13) is located at aluminum hull (8) outward through sealing plug (10), described sub-prime (9) is soaked with electrolyte, it is characterized in that, the surfaces externally and internally of described aluminum hull (8) all has insulation plated film, the dielectric strength at the explosion-proof line place of described insulation plated film reaches more than 500V, the dielectric strength of remainder reaches more than 600V, the butyl rubber that described sealing plug (10) is more than insulation voltage 500V, it is in the sebific duct of more than 10KV/mm that described aluminum hull (8) is located at dielectric strength.
2. the aluminium electrolytic capacitor of anti-lightning as claimed in claim 1, is characterized in that, described cathode foil is high withstand voltage aluminium foil, and its purity reaches more than 99.9%, withstand voltagely reaches more than 640V, and its thickness is 90 ~ 110 μm.
3. the aluminium electrolytic capacitor of anti-lightning as claimed in claim 1, it is characterized in that, described anode foil is the aluminium foil that purity reaches more than 99.9%, making alive 1V ~ 3V, and its thickness is 20 μm ~ 50 μm.
4. the aluminium electrolytic capacitor of anti-lightning as claimed in claim 1, it is characterized in that, be provided with four layers of electrolytic paper between adjacent anode foil and cathode foil, the thickness of every layer of electrolytic paper is 20-40 μm.
5. the aluminium electrolytic capacitor of anti-lightning as claimed in claim 4, it is characterized in that, be provided with two hd dual-layered electrolytic papers between described adjacent anode foil and cathode foil, the density of described electrolytic paper is 0.80g/cm3 ~ 0.90g/cm3.
6. the aluminium electrolytic capacitor of anti-lightning as claimed in claim 1, it is characterized in that, the conductivity of described electrolyte reaches 0.9mS/cm ~ 1.0mS/cm, pH value 6.0 ~ 7.0, more than flash over voltage 550V.
7. the aluminium electrolytic capacitor of anti-lightning as claimed in claim 1, it is characterized in that, described negative guide pin and positive guide pin are aluminium matter, more than formation voltage 350V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668365.1A CN104465108B (en) | 2014-11-20 | 2014-11-20 | A kind of aluminium electrolutic capacitor of anti-lightning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410668365.1A CN104465108B (en) | 2014-11-20 | 2014-11-20 | A kind of aluminium electrolutic capacitor of anti-lightning |
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| CN104465108A true CN104465108A (en) | 2015-03-25 |
| CN104465108B CN104465108B (en) | 2017-12-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910634A (en) * | 2016-09-14 | 2017-06-30 | 深圳市中元吉康电子有限公司 | The high pressure super-low impedance aluminium electrolutic capacitor of EMI excellents |
| CN112863884A (en) * | 2019-11-27 | 2021-05-28 | 湖南艾华集团股份有限公司 | Capacitor and preparation method thereof, electronic equipment, electronic firecracker and arrangement method thereof |
| CN112927937A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | Processing technology of high-voltage electrolytic capacitor for gallium nitride charger |
| CN113390300A (en) * | 2020-03-13 | 2021-09-14 | 湖南艾华集团股份有限公司 | Electronic component-based electronic firecracker braiding method |
| CN113963953A (en) * | 2021-10-28 | 2022-01-21 | 湖南建顺电子有限公司 | Guide pin connecting structure for electrolytic capacitor |
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| CN201927489U (en) * | 2010-12-14 | 2011-08-10 | 上海永铭电子有限公司 | Special high-temperature resistant and long-life aluminium electrolytic capacitor for energy-saving lamp |
| CN102184782A (en) * | 2011-01-29 | 2011-09-14 | 舟山市新龙电子设备有限公司 | Aluminum casing for electrolytic capacitor |
| CN103268823A (en) * | 2013-05-31 | 2013-08-28 | 佛山市三水日明电子有限公司 | Manufacturing method suitable for polymer solid aluminum electrolytic capacitor of alternating current circuit |
| CN203812728U (en) * | 2014-05-14 | 2014-09-03 | 深圳市米田电科技有限公司 | Novel long-life, high-temperature-resistant and flattened electrolytic capacitor |
| CN203871185U (en) * | 2014-05-06 | 2014-10-08 | 深圳市科维美电子有限公司 | Novel low-temperature-resistant aluminum electrolytic capacitor |
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2014
- 2014-11-20 CN CN201410668365.1A patent/CN104465108B/en active Active
Patent Citations (5)
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| CN201927489U (en) * | 2010-12-14 | 2011-08-10 | 上海永铭电子有限公司 | Special high-temperature resistant and long-life aluminium electrolytic capacitor for energy-saving lamp |
| CN102184782A (en) * | 2011-01-29 | 2011-09-14 | 舟山市新龙电子设备有限公司 | Aluminum casing for electrolytic capacitor |
| CN103268823A (en) * | 2013-05-31 | 2013-08-28 | 佛山市三水日明电子有限公司 | Manufacturing method suitable for polymer solid aluminum electrolytic capacitor of alternating current circuit |
| CN203871185U (en) * | 2014-05-06 | 2014-10-08 | 深圳市科维美电子有限公司 | Novel low-temperature-resistant aluminum electrolytic capacitor |
| CN203812728U (en) * | 2014-05-14 | 2014-09-03 | 深圳市米田电科技有限公司 | Novel long-life, high-temperature-resistant and flattened electrolytic capacitor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910634A (en) * | 2016-09-14 | 2017-06-30 | 深圳市中元吉康电子有限公司 | The high pressure super-low impedance aluminium electrolutic capacitor of EMI excellents |
| CN106910634B (en) * | 2016-09-14 | 2019-06-04 | 深圳市中元吉康电子有限公司 | The high pressure super-low impedance aluminium electrolutic capacitor of EMI excellent |
| CN112863884A (en) * | 2019-11-27 | 2021-05-28 | 湖南艾华集团股份有限公司 | Capacitor and preparation method thereof, electronic equipment, electronic firecracker and arrangement method thereof |
| CN113390300A (en) * | 2020-03-13 | 2021-09-14 | 湖南艾华集团股份有限公司 | Electronic component-based electronic firecracker braiding method |
| CN112927937A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | Processing technology of high-voltage electrolytic capacitor for gallium nitride charger |
| CN113963953A (en) * | 2021-10-28 | 2022-01-21 | 湖南建顺电子有限公司 | Guide pin connecting structure for electrolytic capacitor |
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| CN104465108B (en) | 2017-12-22 |
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Address after: 201406, No. 258, light Village Road, Yang Gong Industrial Park, South Bridge Town, Shanghai, Fengxian District Patentee after: Shanghai Yongming electronic Limited by Share Ltd Address before: 201406, No. 258, light Village Road, Yang Gong Industrial Park, South Bridge Town, Shanghai, Fengxian District Patentee before: Shanghai Yongming Electronic Co., Ltd. |
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