CN105575683A - Capacitor transformation method dipping technology - Google Patents
Capacitor transformation method dipping technology Download PDFInfo
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- CN105575683A CN105575683A CN201410534220.2A CN201410534220A CN105575683A CN 105575683 A CN105575683 A CN 105575683A CN 201410534220 A CN201410534220 A CN 201410534220A CN 105575683 A CN105575683 A CN 105575683A
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- vacuum
- capacitor
- transformation method
- impregnation cylinder
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Abstract
The invention discloses a capacitor transformation method dipping technology. The capacitor transformation method dipping technology comprises the following steps: (1) heating, (2) vacuumizing, (3) injection of dry air, repeating of steps (1) to (3), (4) injection of dipping materials, and (5) sealing of capacitor after dipping. The capacitor transformation method dipping technology is advantageous in that the evaporation efficiency of the vapor in the capacitor can be greatly improved, the vapor and the gas in the capacitor can be totally eliminated, and the energy can be saved.
Description
Technical field
The present invention relates to power capacitor, particularly relate to a kind of capacitor transformation method impregnation technology.
Background technology
The object of power capacitor vacuumize dipping gets rid of moisture in capacitor and gas, and then with through purified treatment and the impregnating agent of pass the test perfusion dipping, all spaces between filling product internal solids, to improve the electric property of product.Existing power capacitor vacuumize impregnation technology will experience these stages of heating, low vacuum, high vacuum, cooling, oiling and dipping.Conventional method will reach best drying effect, and one is improve temperature, and make the moisture in capacitor can obtain enough kinetic energy and become water vapour, but temperature is too high, insulating material there will be aging phenomenon, damages its insulation property.Two is gas clean-ups, extracts the moisture in capacitor and gas, makes vacuum degree higher, and the saturated vapor pressure of water vapour reduces, and hydrone becomes steam effusion easily.But vacuum degree can not unconfinedly improve, it by the restriction of the final vacuum of vacuum pump, then has vacuum degree too high, and the heat transfer of gas molecule reduces, hydrone in insulating material can not obtain enough energy and evaporate, and can affect the speed of the moisture evaporation in capacitor on the contrary.Last at certain temperature and vacuum degree, the evaporation of moisture and cohesion reach a dynamic equilibrium, and the hydrone in capacitor can not thoroughly be discharged, and affect the electric property of capacitor.Three is extend drying time, wastes a large amount of energy.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of capacitor transformation method impregnation technology.
To achieve these goals, technical scheme of the present invention is:
A kind of capacitor transformation method impregnation technology, comprises the following steps:
(1) putting into vacuum impregnation cylinder by assembling capacitor to be impregnated, closing wind pushing mechanism seal valve;
(2) vacuum impregnation cylinder is heated to 70-80 DEG C of maintenance 1 hour;
(3) continuing after warm-up time to vacuumize maintenance vacuum impregnation cylinder vacuum degree is 10Pa, and the time is 1 hour;
(4) open wind pushing mechanism seal valve, inject dry air to vacuum impregnation cylinder.
(5) step (1)-(4) circulation 5 times are repeated.
(6) last circulation keeps vacuum after 1 hour, injects impregnant to vacuum impregnation cylinder.
(7) keep temperature 50-60 DEG C, vacuum impregnation cylinder, vacuum degree 10Pa, continue 6 hours.
(8), after having processed, vacuum breaker, sealed capacitor, draws back impregnant.
The present invention maximizes favourable factors and minimizes unfavourable ones on the basis of conventional method, in the temperature range that vacuumize controls, when being extracted into certain vacuum degree, when the evaporation of the moisture in insulating material and cohesion reach dynamic equilibrium, because the heat transfer of vacuum impregnation gas in the jar molecule reduces, the moisture in the pore of insulating material can not obtain enough energy and become water vapour.At this moment in dip tank, a certain amount of dry air is put into by wind pushing mechanism, to improve the heat transfer of vacuum impregnation gas in the jar molecule, insulating material from top layer to deep layer transferring energy, make the moisture in its pore can obtain enough energy become water vapour effusion taken away by vacuum pump.Repeatedly several times, improve the efficiency of the hydrone evaporation in capacitor greatly, reach the effect thoroughly getting rid of moisture in capacitor and gas, and can the energy be saved.
Embodiment
Technological process of the present invention is as follows:
(1) putting into vacuum impregnation cylinder by assembling capacitor to be impregnated, closing wind pushing mechanism seal valve;
(2) vacuum impregnation cylinder is heated to 70-80 DEG C of maintenance 1 hour;
(3) continuing after warm-up time to vacuumize maintenance vacuum impregnation cylinder vacuum degree is 10Pa, and the time is 1 hour;
(4) open wind pushing mechanism seal valve, inject dry air to vacuum impregnation cylinder.
(5) step (1)-(4) circulation 5 times are repeated.
(6) last circulation keeps vacuum after 1 hour, injects impregnant to vacuum impregnation cylinder.
(7) keep temperature 50-60 DEG C, vacuum impregnation cylinder, vacuum degree 10Pa, continue 6 hours.
(8), after having processed, vacuum breaker, sealed capacitor, draws back impregnant.
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, the technology distortion that every technical scheme according to the present invention is made, and all falls within protection scope of the present invention.
Claims (1)
1. a capacitor transformation method impregnation technology, is characterized in that: described transformation method impregnation technology comprises the following steps:
(1) putting into vacuum impregnation cylinder by assembling capacitor to be impregnated, closing wind pushing mechanism seal valve;
(2) vacuum impregnation cylinder is heated to 70-80 DEG C of maintenance 1 hour;
(3) continuing after warm-up time to vacuumize maintenance vacuum impregnation cylinder vacuum degree is 10Pa, and the time is 1 hour;
(4) open wind pushing mechanism seal valve, inject dry air to vacuum impregnation cylinder.
(5) step (1)-(4) circulation 5 times are repeated.
(6) last circulation keeps vacuum after 1 hour, injects impregnant to vacuum impregnation cylinder.
(7) keep temperature 50-60 DEG C, vacuum impregnation cylinder, vacuum degree 10Pa, continue 6 hours.
(8), after having processed, vacuum breaker, sealed capacitor, draws back impregnant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534220.2A CN105575683A (en) | 2014-10-13 | 2014-10-13 | Capacitor transformation method dipping technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534220.2A CN105575683A (en) | 2014-10-13 | 2014-10-13 | Capacitor transformation method dipping technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105575683A true CN105575683A (en) | 2016-05-11 |
Family
ID=55885708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410534220.2A Pending CN105575683A (en) | 2014-10-13 | 2014-10-13 | Capacitor transformation method dipping technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN105575683A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114694983A (en) * | 2022-01-20 | 2022-07-01 | 上海琪瑜光电科技股份有限公司 | Vacuum impregnation process of self-healing pulse capacitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329943A (en) * | 2008-07-15 | 2008-12-24 | 宁波碧彩实业有限公司 | Technique for making combined papery capacitor |
| CN102751090A (en) * | 2012-07-09 | 2012-10-24 | 合肥华耀电子工业有限公司 | Impregnation process of metal foil type capacitor with dry type high-pressure polypropylene film |
| CN102842441A (en) * | 2012-08-28 | 2012-12-26 | 苏州工业园区和顺电气股份有限公司 | Immersion treatment process for power capacitor |
| CN102856084A (en) * | 2012-08-28 | 2013-01-02 | 苏州工业园区和顺电气股份有限公司 | Processing method for vacuum drying impregnation of capacitor |
| CN103500670A (en) * | 2013-09-07 | 2014-01-08 | 芜湖市金诚电子有限责任公司 | Impulse type vacuum impregnation processing method of low-voltage self-healing type shunt capacitor |
-
2014
- 2014-10-13 CN CN201410534220.2A patent/CN105575683A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329943A (en) * | 2008-07-15 | 2008-12-24 | 宁波碧彩实业有限公司 | Technique for making combined papery capacitor |
| CN102751090A (en) * | 2012-07-09 | 2012-10-24 | 合肥华耀电子工业有限公司 | Impregnation process of metal foil type capacitor with dry type high-pressure polypropylene film |
| CN102842441A (en) * | 2012-08-28 | 2012-12-26 | 苏州工业园区和顺电气股份有限公司 | Immersion treatment process for power capacitor |
| CN102856084A (en) * | 2012-08-28 | 2013-01-02 | 苏州工业园区和顺电气股份有限公司 | Processing method for vacuum drying impregnation of capacitor |
| CN103500670A (en) * | 2013-09-07 | 2014-01-08 | 芜湖市金诚电子有限责任公司 | Impulse type vacuum impregnation processing method of low-voltage self-healing type shunt capacitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114694983A (en) * | 2022-01-20 | 2022-07-01 | 上海琪瑜光电科技股份有限公司 | Vacuum impregnation process of self-healing pulse capacitor |
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Application publication date: 20160511 |