CN110379628A - A kind of aging technique of low internal pressure aluminium electrolutic capacitor - Google Patents
A kind of aging technique of low internal pressure aluminium electrolutic capacitor Download PDFInfo
- Publication number
- CN110379628A CN110379628A CN201910471101.XA CN201910471101A CN110379628A CN 110379628 A CN110379628 A CN 110379628A CN 201910471101 A CN201910471101 A CN 201910471101A CN 110379628 A CN110379628 A CN 110379628A
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- Prior art keywords
- capacitor
- aging
- voltage
- hours
- internal pressure
- Prior art date
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Links
- 230000032683 aging Effects 0.000 title claims abstract description 108
- 239000003990 capacitor Substances 0.000 title claims abstract description 103
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 39
- 239000004411 aluminium Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000004593 Epoxy Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000001257 hydrogen Substances 0.000 abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 102100022749 Aminopeptidase N Human genes 0.000 description 1
- 101000757160 Homo sapiens Aminopeptidase N Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011148 porous 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
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of aging techniques of low internal pressure aluminium electrolutic capacitor, including preparation stage, opening room temperature boost phase, sealing and high temperature ageing stage, in opening room temperature boost phase, unsealed capacitor stud electrode tip is installed on capacitor aging universal fixturing, selection aging voltage is 440V ~ 470V, aging current (unit milliampere) is capacitor nominal voltage x-coefficient 0.04x capacitor nominal capacity μ f/1000, and ageing time is 3 ~ 6 hours；In the high temperature ageing stage, the capacitor stud electrode tip after sealing is installed on again on capacitor aging universal fixturing, selection aging voltage is 420 ~ 460V, and aging current is room temperature electric current x-coefficient 0.7, and aging temperature is 75 °, and ageing time is 18 hours.Compared with prior art, the aging technique of a kind of low internal pressure aluminium electrolutic capacitor of the invention solves the problems, such as that inhaling hydrogen agent suction hydrogen acts on limited and inhale many side effects of hydrogen agent generation, achievees the purpose that promote industry control class bolt type aluminium electrolytic capacitor product performance.
Description
Technical field
The present invention relates to electrolytic capacitor preparation field, in particular to a kind of aging works of low internal pressure aluminium electrolutic capacitor
Skill.
Background technique
Industry control class aluminium electrolutic capacitor is widely used in household electrical appliance, wind-power electricity generation, automation in frequency converter at present
Equal important equipments, more and more clients wish capacitor in use, not fail because of the excessive explosion of internal pressure.Electricity
Container internal pressure is generated in technique production and when use because of high temperature, because of its anode adding in preceding process in technique production
In work, the medium oxidizing aluminium film on surface can be damaged, and metallic aluminium below just exposes.The purpose of aging aluminium electrolysis capacitor,
It seeks to repair medium damaged part, to reduce leakage current, but in mending course, hydrogen can be generated, make product
Air pressure inside increases, and gently then causes electrolyte slowly to leak by pore, influences the service life of capacitor；It is heavy then make capacitor
Aluminum hull protrusion or even explosion-proof valve are opened, product failure.Method before this is that hydrogen agent is inhaled in addition in the electrolytic solution, but inhales hydrogen agent meeting
Many side effects are generated, and for CD13 type capacitor, because the area of electrode foil is very big, the effect for inhaling hydrogen agent also has
Limit.
Summary of the invention
In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a kind of low internal pressure aluminium electroloysis
The aging technique of capacitor.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of aging technique of low internal pressure aluminium electrolutic capacitor, comprising the following steps:
(1) preparation stage: capacitor core is installed in aluminum hull, fills between capacitor core and aluminum hull inside by installation capacitor
There is insulating cement；Capacitor core upper end is connected with stud electrode by lead；Epoxy film plastics are socketed on the outside of the stud electrode
Cover board；Lid is connected to sealing rubber ring between the epoxy film plastic cover plate step surface and aluminum hull；Aluminum hull and epoxy film plastics at this time
It is not sealed between cover board；
(2) be open room temperature boost phase: unsealed capacitor stud electrode tip is installed on capacitor aging universal fixturing,
Power on, aging voltage is arranged according to capacitor nominal voltage, aging voltage range is 440V ~ 470V, aging current (unit milli
Peace) it is capacitor nominal voltage x-coefficient 0.04x capacitor nominal capacity μ f/1000, ageing time is 3 ~ 6 hours；
(3) it seals: after the completion of opening room temperature boosting aging, capacitor being removed, is sealed, aluminum hull upper end is limited by slot with a tight waist
Position epoxy film plastic cover plate compresses sealing rubber ring sealed capacitor by the in-flanges of aluminum hull；
(4) the high temperature ageing stage: the capacitor stud electrode tip after sealing is installed on again on capacitor aging universal fixturing,
Power on, aging voltage is arranged according to capacitor nominal voltage, aging voltage range is 420 ~ 460V, and aging current is room temperature electricity
X-coefficient 0.7 is flowed, aging temperature is 75 °, and ageing time is 18 hours, is broken wherein 18 hours are divided into being powered within 6 hours+2 hours
It is powered+4 hours within electricity+6 hours and powers off.
Further, in opening room temperature boost phase, when the nominal voltage of the capacitor is 400V, aging voltage is
440V, ageing time are 6 hours；When the nominal voltage of the capacitor is 450V, aging voltage 470V, ageing time is
3 ~ 4 hours.
Further, in the high temperature ageing stage, when the nominal voltage of the capacitor is 400V, aging voltage 420V,
Aging temperature is 75 °, and ageing time is 18 hours；When the nominal voltage of the capacitor is 450V, aging voltage 460V,
Aging temperature is 75 °, and ageing time is 18 hours.
Further, capacitor aging universal fixturing end face be provided with a positive terminal, a negative terminals and
If dry condenser socket, the capacitor socket is parallel with one another, and the capacitor socket after the parallel connection passes through inner lead and distinguishes
It is connect with positive terminal and negative terminals；The capacitor aging universal fixturing positive terminal and cathode in test connect
Line end is connect with external power supply.
Compared with prior art, the aging technique of a kind of low internal pressure aluminium electrolutic capacitor of the invention solves to inhale hydrogen agent suction
Hydrogen effect is limited and suction hydrogen agent leads to the problem of many side effects, reaches and promotes industry control class bolt type aluminium electrolytic capacitor product
The purpose of energy.
Detailed description of the invention
Fig. 1 is process flow chart of the invention；
Fig. 2 is the structural schematic diagram of capacitor of the invention in opening room temperature boost phase；
Fig. 3 is the structural schematic diagram of capacitor of the invention in the high temperature ageing stage；
Fig. 4 is the structural schematic diagram of capacitor aging universal fixturing of the present invention；
Wherein, 1, capacitor core, 2, aluminum hull, 3, insulating cement, 4, lead, 5, stud electrode, 6, epoxy film plastic cover plate, 7, sealing
Rubber ring, 8, slot with a tight waist, 9, in-flanges, 10, positive terminal, 11, negative terminals, 12, capacitor socket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1,2 and 3, a kind of aging technique of low internal pressure aluminium electrolutic capacitor, comprising the following steps:
(1) preparation stage: capacitor core 1 is installed in aluminum hull 2, between 2 inside of capacitor core 1 and aluminum hull by installation capacitor
Filled with insulating cement 3；1 upper end of capacitor core is connected with stud electrode 5 by lead 4；Ring is socketed on the outside of the stud electrode 5
Oxygen film plastic cover plate 6；Lid is connected to sealing rubber ring 7 between 6 step surface of epoxy film plastic cover plate and aluminum hull 2；Aluminum hull 2 at this time
It is not sealed between epoxy film plastic cover plate 6；
(2) be open room temperature boost phase: unsealed 5 end of capacitor stud electrode is installed on capacitor aging universal fixturing
On, power on, aging voltage is arranged according to capacitor nominal voltage, aging voltage range is 440V ~ 470V, and aging current is (single
Position milliampere) it is capacitor nominal voltage x-coefficient 0.04x capacitor nominal capacity μ f/1000, ageing time is 3 ~ 6 hours；
(3) it seals: after the completion of opening room temperature boosting aging, capacitor being removed, is sealed, 2 upper end of aluminum hull passes through slot 8 of girdling the waist
Epoxy film plastic cover plate 6 is limited, 7 sealed capacitor of sealing rubber ring is compressed by the in-flanges 9 of aluminum hull 2；
(4) 5 end of capacitor stud electrode after sealing the high temperature ageing stage: is installed on capacitor aging universal fixturing again
On, power on, aging voltage is arranged according to capacitor nominal voltage, aging voltage range is 420 ~ 460V, and aging current is normal
Warm electric current x-coefficient 0.7, aging temperature are 75 °, and ageing time is 18 hours, wherein 18 hours be divided into be powered within 6 hours it is+2 small
When power-off+6 hours be powered+4 hours power off.
As shown in figure 4, capacitor aging universal fixturing end face is provided with a positive terminal 10, a negative terminals
If 11 and dry condenser socket 12, the capacitor socket 12 is parallel with one another, and the capacitor socket 12 after the parallel connection passes through interior
Portion's conducting wire is connect with positive terminal 10 and negative terminals 11 respectively；When test, by the stud electrode 5 and capacitor of capacitor
Socket 12 connects, and is connect by capacitor aging universal fixturing positive terminal 10 and negative terminals 11 with external power supply, into
Row is powered.
The present invention will be further explained below.
Embodiment one:
In the present embodiment, the nominal voltage of selected CD13B type capacitor is 400V, and capacitor nominal capacity is 2200uf, is being opened
Mouth room temperature boost phase, aging voltage 440V, aging current 35.2A, ageing time are 6 hours；In high temperature ageing rank
Section, the aging voltage of selected capacitor are 420V, and aging current 24.64mA, aging temperature is 75 °, and ageing time is 18
Hour.
Embodiment two:
In the present embodiment, when the nominal voltage of selected CD13L type capacitor is 450V, capacitor nominal capacity is 10000uf,
Be open room temperature boost phase, aging voltage 470V, aging current 180mA, and ageing time is 3.5 hours；It is old in high temperature
Change stage, the aging voltage of selected capacitor are 460V, and aging current 126mA, aging temperature is 75 °, ageing time 18
A hour.
The present invention is not limited to the described embodiments, and those skilled in the art is not departing from spirit of the invention i.e. public affairs
Open in range, still may make some modifications or changes, thus the range that is limited with claims of the scope of the present invention as
It is quasi-.
Claims (4)
1. a kind of aging technique of low internal pressure aluminium electrolutic capacitor, it is characterised in that: the following steps are included:
(1) preparation stage: capacitor core is installed in aluminum hull, fills between capacitor core and aluminum hull inside by installation capacitor
There is insulating cement；Capacitor core upper end is connected with stud electrode by lead；Epoxy film plastics are socketed on the outside of the stud electrode
Cover board；Lid is connected to sealing rubber ring between the epoxy film plastic cover plate step surface and aluminum hull；Aluminum hull and epoxy film plastics at this time
It is not sealed between cover board；
(2) be open room temperature boost phase: unsealed capacitor stud electrode tip is installed on capacitor aging universal fixturing,
Power on, aging voltage is arranged according to capacitor nominal voltage, aging voltage range is 440V ~ 470V, aging current (unit milli
Peace) it is capacitor nominal voltage x-coefficient 0.04x capacitor nominal capacity μ f/1000, ageing time is 3 ~ 6 hours；
(3) it seals: after the completion of opening room temperature boosting aging, capacitor being removed, is sealed, aluminum hull upper end is limited by slot with a tight waist
Position epoxy film plastic cover plate compresses sealing rubber ring sealed capacitor by the in-flanges of aluminum hull；
(4) the high temperature ageing stage: the capacitor stud electrode tip after sealing is installed on again on capacitor aging universal fixturing,
Power on, aging voltage is arranged according to capacitor nominal voltage, aging voltage range is 420 ~ 460V, and aging current is room temperature electricity
X-coefficient 0.7 is flowed, aging temperature is 75 °, and ageing time is 18 hours, is broken wherein 18 hours are divided into being powered within 6 hours+2 hours
It is powered+4 hours within electricity+6 hours and powers off.
2. a kind of aging technique of low internal pressure aluminium electrolutic capacitor according to claim 1, it is characterised in that: normal in opening
Warm boost phase, when the nominal voltage of the capacitor is 400V, aging voltage 440V, ageing time is 6 hours；It is described
When the nominal voltage of capacitor is 450V, aging voltage 470V, ageing time is 3 ~ 4 hours.
3. a kind of aging technique of low internal pressure aluminium electrolutic capacitor according to claim 1, it is characterised in that: old in high temperature
In the change stage, when the nominal voltage of the capacitor is 400V, aging voltage 420V, aging temperature is 75 °, ageing time 18
A hour；When the nominal voltage of the capacitor is 450V, aging voltage 460V, aging temperature is 75 °, ageing time 18
A hour.
4. a kind of aging technique of low internal pressure aluminium electrolutic capacitor according to claim 1, it is characterised in that: the capacitor
If device aging universal fixturing end face is provided with a positive terminal, a negative terminals and dry condenser socket, the capacitor
Socket is parallel with one another, and the capacitor socket after the parallel connection is connected with positive terminal and negative terminals respectively by inner lead
It connects；The capacitor aging universal fixturing positive terminal and negative terminals in test are connect with external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471101.XA CN110379628A (en) | 2019-05-31 | 2019-05-31 | A kind of aging technique of low internal pressure aluminium electrolutic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471101.XA CN110379628A (en) | 2019-05-31 | 2019-05-31 | A kind of aging technique of low internal pressure aluminium electrolutic capacitor |
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| Publication Number | Publication Date |
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| CN110379628A true CN110379628A (en) | 2019-10-25 |
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|---|---|---|---|
| CN201910471101.XA Pending CN110379628A (en) | 2019-05-31 | 2019-05-31 | A kind of aging technique of low internal pressure aluminium electrolutic capacitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383843A (en) * | 2020-03-05 | 2020-07-07 | 深圳市必事达电子有限公司 | Electrolytic capacitor aging method and system and automatic aging machine |
-
2019
- 2019-05-31 CN CN201910471101.XA patent/CN110379628A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383843A (en) * | 2020-03-05 | 2020-07-07 | 深圳市必事达电子有限公司 | Electrolytic capacitor aging method and system and automatic aging machine |
| CN111383843B (en) * | 2020-03-05 | 2021-08-27 | 深圳市必事达电子有限公司 | Electrolytic capacitor aging method and system and automatic aging machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |
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| RJ01 | Rejection of invention patent application after publication |