CN104795257B - The impregnation method of power capacitor - Google Patents

The impregnation method of power capacitor Download PDF

Info

Publication number
CN104795257B
CN104795257B CN201510159167.7A CN201510159167A CN104795257B CN 104795257 B CN104795257 B CN 104795257B CN 201510159167 A CN201510159167 A CN 201510159167A CN 104795257 B CN104795257 B CN 104795257B
Authority
CN
China
Prior art keywords
power capacitor
oil
vacuum
ultrasonic wave
generation part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510159167.7A
Other languages
Chinese (zh)
Other versions
CN104795257A (en
Inventor
李子华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU INDUSTRIAL PARK HESHUN ELECTRICAL CO LTD
Original Assignee
SUZHOU INDUSTRIAL PARK HESHUN ELECTRICAL CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU INDUSTRIAL PARK HESHUN ELECTRICAL CO LTD filed Critical SUZHOU INDUSTRIAL PARK HESHUN ELECTRICAL CO LTD
Priority to CN201510159167.7A priority Critical patent/CN104795257B/en
Publication of CN104795257A publication Critical patent/CN104795257A/en
Application granted granted Critical
Publication of CN104795257B publication Critical patent/CN104795257B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

The present invention discloses a kind of impregnation method of power capacitor, including:Pending power capacitor is positioned in the vacuum tank, and to being vacuumized inside power capacitor and vacuum tank, so as to form 0.09MPa vacuum chambers;Power capacitor is carried out to be heated to 80 DEG C~90 DEG C, heat time 12h;Power capacitor internal temperature is down to 70 DEG C~80 DEG C, gas partial pressure vacuum is stepped up to 0.5~1Pa in the vacuum tank, is held time as 12h;The ultrasonic wave generation part positioned at the power capacitor outer wall is opened, and power capacitor internal temperature is down to 40 DEG C~60 DEG C;By power capacitor internal cooling to less than 30 DEG C, open vacuum breaker bottom valve and communicated with air, power capacitor is gone out into tank fills oil and oil filler point is carried out into encapsulation process.The present invention is advantageous to the gas incorporated in dielectric oil, and the air of capacitor element solid dielectric interlayer and solid dielectric layer and pole plate aluminium foil interlayer more thoroughly excludes.

Description

The impregnation method of power capacitor
Technical field
The present invention relates to a kind of impregnation method of power capacitor, belong to power capacitor technical field.
Background technology
Present power capacitor manufacturing enterprise in process of production, power capacitor vacuum outgas, drying and impregnation All it is to be placed on power capacitor semi-finished product to use black soy sauce list note or group to take out the processing side that singly note or group take out immersion type in vacuum tank Method, product impregnating effect and vacuum, temperature and time are relevant closely related especially with vacuum, but because by whole vacuum impregnation The space of system is larger, the more sealings of air leakage point are difficult to ensure that, all material under XHV environment can gassing, liquid be situated between Matter, so the raising of vacuum is limited, shows with the presence of the limitation of saturated vapor pressure and vacuum equipment final vacuum itself It is 0.1Pa by force to have equipment attainable vacuum partial pressure, therefore improves properties of product close to its limit by improving vacuum; Another aspect capacitor element solid dielectric interlayer gap very little, typically only 0.5~1.5 μm, and liquid medium has one simultaneously Fixed viscosity, a little low vacuum gas of solid dielectric interlayer and solid dielectric and aluminium foil interlayer is such as enclosed by liquid medium (Bubble), now it is difficult to be expelled from coming and filled by liquid medium, the main purpose of power capacitor vacuum impregnation processing It is to supplant the air of capacitor element solid dielectric interlayer and dielectric layer and pole plate aluminium foil interlayer and by high-quality liquid completely Medium is filled, and if solid dielectric interlayer and medium and aluminium foil interlayer are with the presence of that I guess bubble as only a few of bubble In the presence of quality and the life-span that will all have a strong impact on power capacitor;Again, in the prior art applicant think dielectric oil with Solid dielectric does not infiltrate fully, so as to which limit product performance further improves;Again, the dielectric oil of power capacitor has one Fixed viscosity, a little low vacuum gas of solid dielectric layer and solid and aluminium foil interlayer is such as enclosed by liquid medium(Bubble)Now It is difficult to be expelled from coming and filled by liquid medium, and if solid dielectric interlayer and solid dielectric have bubble with aluminium foil interlayer In the presence of that property, I guess bubble presence will all have a strong impact on quality and the life-span of power capacitor as only a few.Again, it is existing Power capacitor vacuum impregnation processing procedure about need 72h~96h times it is general it is longer, production efficiency is relatively low, energy consumption is big and passes through Help deficiency of poor benefits.
The content of the invention
It is an object of the invention to provide a kind of impregnation method of power capacitor, this impregnation method is advantageous to absolutely The gas that is incorporated in edge Medium Oil, enclosed by edge Medium Oil the local a little low true of solid dielectric interlayer and medium and aluminium foil interlayer Air body(Bubble)Easily it is expelled from coming and is filled by dielectric oil, and is advantageous to dielectric oil and power capacitor Interior solid dielectric fully infiltrates and is swelled, micro survival gas inside further emptying condenser dielectric, so as to greatly improve electricity Power capacitor product performance quality, life-span and production efficiency, reduce energy consumption and cost.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:A kind of impregnation method of power capacitor, this Processing method is based on an immersion system, and this immersion system includes being used for vacuum tank, the storage dielectric for placing power capacitor The vacuum oil storage tank and the small oil groove in vacuum tank and above power capacitor of oil, a vacuum pump system is respectively by taking out Tracheae and pumping oil fuel tube are connected to vacuum tank and power capacitor;One oil guide pipe will come from the vacuum tank interior insulation Medium Oil It is transferred in small oil groove, is connected between the small oil groove bottom and pumping oil fuel tube by an oil fuel tube;The electric capacitor Device outer wall is provided with ultrasonic wave generation part;
It the treating method comprises following steps:
Step 1: pending power capacitor is positioned in the vacuum tank, and in power capacitor and vacuum tank Portion vacuumizes, so as to form 0.09MPa vacuum chambers;
Step 2: under conditions of step 1, power capacitor is carried out to be heated to 80 DEG C~90 DEG C, the heat time is 12h;
Step 3: power capacitor internal temperature is down to 70 DEG C~80 DEG C, gas partial pressure vacuum in the vacuum tank Degree is stepped up to 0.5~1Pa, is held time as 12h;
Step 4: the ultrasonic wave generation part positioned at the power capacitor outer wall is opened, and by inside power capacitor Temperature is down to 40 DEG C~60 DEG C, and it is 0.2~0.5Pa that vacuum, which steps up gas partial pressure, in the vacuum tank, while companion With dielectric oil is slowly injected into the power capacitor casing, the duration is 18~22h;It is ultrasonic in the step 4 Wave frequency rate is 20 kHz~500kHz, and ultrasonic frequency is 20 kHz~500kHz in step 5;
Step 5: after filling the dielectric oil inside power capacitor, it is located at the electric capacitor described in maintenance The ultrasonic wave generation part opening of device outer wall, power capacitor internal temperature is reduced and maintains 30 DEG C~40 DEG C, institute Vacuum degree control is stated in vacuum tank in 0.2~0.5Pa of gas partial pressure, 6~8h of duration;
Step 6: by power capacitor internal cooling to less than 30 DEG C, open vacuum breaker bottom valve and communicated with air, by electric power Capacitor goes out tank and fills oil and oil filler point is carried out into encapsulation process;
It is described to be provided with ultrasonic wave generation part, the step 4 and step 5 in small oil groove interior insulation Medium Oil In, while open the ultrasonic wave generation part being located in small oil groove interior insulation Medium Oil;The relative both sides of the small oil groove outer wall It is provided with ultrasonic wave generation part or surrounding is provided with ultrasonic wave generation part, in the step 4 and step 5, simultaneously Open the ultrasonic wave generation part positioned at small oil groove outer wall.
Because above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art:
1st, the impregnation method of power capacitor of the present invention, it is 40 DEG C~60 DEG C in temperature, vacuum is about in vacuum tank Under the conditions of 0.2~0.5Pa, when being slowly injected into dielectric oil into the power capacitor casing, unlatching is located at the electricity The ultrasonic wave generation part of power capacitor outer wall and small oil groove interior insulation Medium Oil, formed inside power capacitor with small oil groove Ultrasonic wave, using the cavitation of ultrasonic wave, the gas for being advantageous to incorporate in dielectric oil than prior art, and capacitor The air of element solid dielectric interlayer and solid dielectric layer and pole plate aluminium foil interlayer more thoroughly excludes.
2nd, the impregnation method of power capacitor of the present invention, it is filling the dielectric inside power capacitor After oil, the ultrasonic wave generation part opening for being located at the power capacitor outer wall is maintained, inside power capacitor Temperature is reduced and maintains 30 DEG C~40 DEG C, and vacuum degree control is held in gas partial pressure about 0.2~0.5Pa in the vacuum tank Continuous 6~8h of the time;Micro- gas core cavitation bubble in dielectric oil is vibrated in the presence of sound wave using ultrasonic wave, when acoustic pressure reaches To certain value(10W/cm need to typically be reached2)Shi Fasheng growth and collapse(Rupture), generally comprise 3 stages:Cavitation bubble Formed, grown up and violent collapse(Rupture), after the power capacitor for filling with dielectric oil is passed through ultrasonic wave, due to liquid Vibrate and produce ten hundreds of micro-bubbles, be i.e. cavitation bubble.The negative pressuren zone life that these bubbles are formed in ultrasonic wave longitudinal propagation It is long, and in zone of positive pressure rapid closing(That is collapse rupture), so as to constantly be compressed under the positive and negative pressure of lengthwise oscillations ripple alternating And stretching action, to be dissolved in liquid medium or to enclose solid dielectric interlayer and medium and aluminium foil interlayer by liquid medium Local a little low vacuum gas(Bubble)It easily can be expelled from coming and be filled by high-quality liquid medium, so as to greatly improve electric power Capacitor product performance quality and life-span.The production efficiency of power capacitor product can be also improved, reduces energy consumption and cost.
3rd, the impregnation method of power capacitor of the present invention, overcome power capacitor with dielectric oil viscosity height to The difficulty that vapor and gas are brought is removed, the dynamic power of dielectric oil stream can be awarded, electric capacity is excluded so as to further improve The air of device element solid dielectric interlayer and solid dielectric layer and pole plate aluminium foil interlayer and to be advantageous to dielectric oil electric with electric power Solid dielectric fully infiltrates and is swelled fully in container.
4th, the impregnation method of power capacitor of the present invention, its small oil groove outer wall are provided with ultrasonic wave generation part, institute State in step 4 and step 5, while open the ultrasonic wave generation part positioned at small oil groove outer wall, so as into power capacitor Internal liquid medium fully deaerates in advance, is situated between so as to be advantageous to further exclude capacitor element solid dielectric interlayer and solid The air of matter layer and pole plate aluminium foil interlayer is more thoroughly and perfect.
Brief description of the drawings
Accompanying drawing 1 is the immersion system structure chart of processing method of the present invention.
In the figures above:1st, power capacitor;2nd, vacuum tank;3rd, dielectric oil;4th, vacuum oil storage tank;5th, small oil groove; 6th, vacuum pump system;7th, exhaust tube;8th, it is evacuated oil fuel tube;9th, oil guide pipe;10th, oil fuel tube;11a, ultrasonic wave generation part;11b、 Ultrasonic wave generation part.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment 1:A kind of impregnation method of power capacitor, this processing method are based on an immersion system, this dipping Device places the vacuum tank 2 of power capacitor 1, the vacuum oil storage tank 4 of storage dielectric oil 3 and positioned at vacuum tank including being used for In 2 and the small oil groove 5 above power capacitor 1, a vacuum pump system 6 are connected by exhaust tube 7 and pumping oil fuel tube 8 respectively To vacuum tank 2 and power capacitor 1;One oil guide pipe 9 will be transferred to small oil from the interior insulation Medium Oil 3 of vacuum oil storage tank 4 In groove 5, connected between the small bottom of oil groove 5 and pumping oil fuel tube 8 by an oil fuel tube 10;Outside the power capacitor 1 Wall is provided with ultrasonic wave generation part 11a;
It the treating method comprises following steps:
Step 1: pending power capacitor 1 is positioned in the vacuum tank 2, and to power capacitor 1 and vacuum tank Vacuumized inside 2, so as to form 0.09MPa vacuum chambers;
Step 2: under conditions of step 1, power capacitor 1 is carried out to be heated to 80 DEG C~90 DEG C, the heat time is 12h;
Step 3: the internal temperature of power capacitor 1 is down into 70 DEG C~80 DEG C, gas partial pressure is true in the vacuum tank 2 Reciprocal of duty cycle steps up about 0.5~1Pa, holds time as 12h;
Step 4: the ultrasonic wave generation part positioned at the outer wall of power capacitor 1 is opened, and by power capacitor 1 Portion's temperature is down to 40 DEG C~60 DEG C, and vacuum steps up gas partial pressure about 0.2~0.5Pa in the vacuum tank 2, simultaneously With dielectric oil is slowly injected into the housing of power capacitor 1, the duration is 18~22h;
Step 5: after filling the dielectric oil inside power capacitor 1, it is located at the electric capacitor described in maintenance The ultrasonic wave generation part 11a openings of the outer wall of device 1, the internal temperature of power capacitor 1 is reduced and maintains 30 DEG C~40 DEG C, vacuum degree control is in gas partial pressure about 0.2~0.5Pa, 6~8h of duration in the vacuum tank 2;
Step 6: by the internal cooling of power capacitor 1 to less than 30 DEG C, open vacuum breaker bottom valve and communicated with air, by electricity Power capacitor 1 goes out tank and fills oil and oil filler point is carried out into encapsulation process.
Ultrasonic frequency is 20kHz~500kHz in above-mentioned steps four, in step 5 ultrasonic frequency be 20kHz~ 500kHz。
It is above-mentioned to state that the relative both sides of the outer wall of power capacitor 1 are provided with ultrasonic wave generation part 11a or surrounding is respectively provided with There is ultrasonic wave generation part 11a.
Embodiment 2:A kind of impregnation method of power capacitor, this processing method are based on an immersion system, this dipping Device places the vacuum tank 2 of power capacitor 1, the vacuum oil storage tank 4 of storage dielectric oil 3 and positioned at vacuum tank including being used for In 2 and the small oil groove 5 above power capacitor 1, a vacuum pump system 6 are connected by exhaust tube 7 and pumping oil fuel tube 8 respectively To vacuum tank 2 and power capacitor 1;One oil guide pipe 9 will be transferred to small oil from the interior insulation Medium Oil 3 of vacuum oil storage tank 4 In groove 5, connected between the small bottom of oil groove 5 and pumping oil fuel tube 8 by an oil fuel tube 10;
It the treating method comprises following steps:
Step 1: pending power capacitor 1 is positioned in the vacuum tank 2, and to power capacitor 1 and vacuum tank Vacuumized inside 2, so as to form 0.09MPa vacuum chambers;
Step 2: under conditions of step 1, power capacitor 1 is carried out to be heated to 80 DEG C~90 DEG C, the heat time is 12h;
Step 3: the internal temperature of power capacitor 1 is down into 70 DEG C~80 DEG C, gas partial pressure is true in the vacuum tank 2 Reciprocal of duty cycle steps up about 0.5~1Pa, holds time as 12h;
Step 4: the ultrasonic wave generation part positioned at the outer wall of power capacitor 1 is opened, and by power capacitor 1 Portion's temperature is down to 40 DEG C~60 DEG C, and vacuum steps up gas partial pressure about 0.2~0.5Pa in the vacuum tank 2, simultaneously With dielectric oil is slowly injected into the housing of power capacitor 1, the duration is 18~22h;
Step 5: after filling the dielectric oil inside power capacitor 1, it is located at the electric capacitor described in maintenance The ultrasonic wave generation part 11a openings of the outer wall of device 1, the internal temperature of power capacitor 1 is reduced and maintains 30 DEG C~40 DEG C, vacuum degree control is in gas partial pressure about 0.2~0.5Pa, 6~8h of duration in the vacuum tank 2;
Step 6: by the internal cooling of power capacitor 1 to less than 30 DEG C, open vacuum breaker bottom valve and communicated with air, by electricity Power capacitor 1 goes out tank and fills oil and oil filler point is carried out into encapsulation process.
It is above-mentioned to be provided with ultrasonic wave generation part 11b, the step 4 and step in the small interior insulation Medium Oil of oil groove 5 In five, while open the ultrasonic wave generation part 11b being located in the small interior insulation Medium Oil of oil groove 5.
Ultrasonic frequency is 20kHz~500kHz in above-mentioned steps four, in step 5 ultrasonic frequency be 20kHz~ 500kHz。
It is above-mentioned be located at the small interior insulation Medium Oil of oil groove 5 in ultrasonic frequency caused by ultrasonic wave generation part 11b be 20kHz Ultrasonic frequency caused by~500kHz, the ultrasonic wave generation part 11a positioned at the outer wall of power capacitor 1 is 20kHz~500kHz.
The relative both sides of the above-mentioned outer wall of power capacitor 1 are provided with ultrasonic wave generation part 11a or surrounding is provided with Ultrasonic wave generation part 11a.
The relative both sides of the above-mentioned outer wall of small oil groove 5 are provided with ultrasonic wave generation part 11b or surrounding is provided with ultrasound The b of ripple generation part 11, in the step 4 and step 5, while open the ultrasonic wave generation part positioned at the small outer wall of oil groove 5 11b。
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.

Claims (1)

1. a kind of impregnation method of power capacitor, it is characterised in that:This impregnation method is based on an immersion system, this Immersion system includes being used to place power capacitor(1)Vacuum tank(2), storage dielectric oil(3)Vacuum oil storage tank(4) With positioned at vacuum tank(2)It is interior and in power capacitor(1)The small oil groove of top(5), a vacuum pump system(6)Pass through pumping respectively Pipe(7)With pumping oil fuel tube(8)It is connected to vacuum tank(2)And power capacitor(1);One oil guide pipe(9)The vacuum will be come from Oil storage tank(4)Interior insulation Medium Oil(3)It is transferred to small oil groove(5)It is interior, the small oil groove(5)Bottom and pumping oil fuel tube(8)It Between pass through an oil fuel tube(10)Connection;The power capacitor(1)Outer wall is provided with ultrasonic wave generation part(11a);
The impregnation method comprises the following steps:
Step 1: by pending power capacitor(1)It is positioned over the vacuum tank(2)It is interior, and to power capacitor(1)And vacuum Tank(2)Inside vacuumizes, so as to form 0.09MPa vacuum chambers;
Step 2: under conditions of step 1, by power capacitor(1)Carry out being heated to 80 DEG C~90 DEG C, the heat time is 12h;
Step 3: by power capacitor(1)Internal temperature is down to 70 DEG C~80 DEG C, the vacuum tank(2)Interior gas partial pressure is true Reciprocal of duty cycle is stepped up to 0.5~1Pa, is held time as 12h;
It is located at the power capacitor Step 4: opening(1)The ultrasonic wave generation part of outer wall(11a), and by power capacitor (1)Internal temperature is down to 40 DEG C~60 DEG C, the vacuum tank(2)Interior vacuum step up gas partial pressure for 0.2~ 0.5Pa, at the same it is adjoint to the power capacitor(1)Dielectric oil is slowly injected into housing, the duration is 18~22h;
Step 5: in power capacitor(1)After inside fills the dielectric oil, it is located at the power capacitor described in maintenance (1)The ultrasonic wave generation part of outer wall(11a)Opening, by power capacitor(1)Internal temperature reduces and maintains 30 DEG C ~40 DEG C, the vacuum tank(2)Interior vacuum degree control is in 0.2~0.5Pa of gas partial pressure, 6~8h of duration, in step 5 Power capacitor(1)The ultrasonic wave generation part of outer wall(11a)Ultrasonic frequency be 20 kHz~500kHz;
Step 6: by power capacitor(1)Internal cooling is opened vacuum breaker bottom valve and communicated with air, by electric power to less than 30 DEG C Capacitor(1)Go out tank to fill oil and oil filler point is carried out into encapsulation process;
It is described to be located at small oil groove(5)Ultrasonic wave generation part is provided with interior insulation Medium Oil(11b), the step 4 and step In five, while open and be located at small oil groove(5)Ultrasonic wave generation part in interior insulation Medium Oil(11b);The small oil groove(5)Outside The relative both sides of wall are provided with ultrasonic wave generation part(11b)Or surrounding is provided with ultrasonic wave generation part(11 b), institute State in step 4 and step 5, while open and be located at small oil groove(5)The ultrasonic wave generation part of outer wall(11b).
CN201510159167.7A 2012-08-28 2012-08-28 The impregnation method of power capacitor Active CN104795257B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510159167.7A CN104795257B (en) 2012-08-28 2012-08-28 The impregnation method of power capacitor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210309052.8A CN102856084B (en) 2012-08-28 2012-08-28 For the processing method of capacitor vacuumize dipping
CN201510159167.7A CN104795257B (en) 2012-08-28 2012-08-28 The impregnation method of power capacitor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201210309052.8A Division CN102856084B (en) 2012-08-28 2012-08-28 For the processing method of capacitor vacuumize dipping

Publications (2)

Publication Number Publication Date
CN104795257A CN104795257A (en) 2015-07-22
CN104795257B true CN104795257B (en) 2018-04-06

Family

ID=47402574

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201510158949.9A Active CN104795256B (en) 2012-08-28 2012-08-28 Manufacturing process for power capacitor
CN201210309052.8A Expired - Fee Related CN102856084B (en) 2012-08-28 2012-08-28 For the processing method of capacitor vacuumize dipping
CN201510158878.2A Active CN104795255B (en) 2012-08-28 2012-08-28 Power capacitor vacuum impregnation technique
CN201510159167.7A Active CN104795257B (en) 2012-08-28 2012-08-28 The impregnation method of power capacitor

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CN201510158949.9A Active CN104795256B (en) 2012-08-28 2012-08-28 Manufacturing process for power capacitor
CN201210309052.8A Expired - Fee Related CN102856084B (en) 2012-08-28 2012-08-28 For the processing method of capacitor vacuumize dipping
CN201510158878.2A Active CN104795255B (en) 2012-08-28 2012-08-28 Power capacitor vacuum impregnation technique

Country Status (1)

Country Link
CN (4) CN104795256B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104795256B (en) * 2012-08-28 2018-04-06 苏州工业园区和顺电气股份有限公司 Manufacturing process for power capacitor
CN103500670B (en) * 2013-09-07 2016-04-20 芜湖市金诚电子有限责任公司 A kind of impulse type vacuum impregnation processing method of low pressure self-healing type parallel condenser
CN103531357B (en) * 2013-10-14 2016-08-10 正泰电气股份有限公司 Power capacitor and manufacture method thereof
CN103617896B (en) * 2013-11-19 2016-04-27 上海思源电力电容器有限公司 A kind of method for maintaining of power capacitor
CN103681007A (en) * 2013-12-21 2014-03-26 铜陵源丰电子有限责任公司 Automatic filling device of pulse capacitor
CN104103431B (en) * 2014-07-10 2017-01-18 上海思源电力电容器有限公司 External pressurizing oil supplementing device and method for power capacitor
CN105575683A (en) * 2014-10-13 2016-05-11 武陟县电业总公司 Capacitor transformation method dipping technology
CN105140056B (en) * 2015-09-02 2018-07-10 南通江海电容器股份有限公司 A kind of dipping method of the big shell electrolytic capacitor of high pressure
CN105551835B (en) * 2016-02-16 2017-09-12 宁波海融电器有限公司 Capacitor oil filling system
CN107346713A (en) * 2016-05-04 2017-11-14 上海库柏电力电容器有限公司 It is dried in vacuo impregnating equipment and its application method
CN105788890B (en) * 2016-05-10 2019-05-31 湖南艾华集团股份有限公司 A kind of impregnation method of capacitor element
CN107403691B (en) * 2017-06-21 2019-08-27 珠海格力电器股份有限公司 Oiling control method, oiling machine, processor and storage medium
CN108766748B (en) * 2018-05-17 2020-05-05 国网电力科学研究院武汉南瑞有限责任公司 Vacuum temperature-regulating impregnation process for power transformer
RU2699365C1 (en) * 2018-10-10 2019-09-05 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Method of filling high-voltage electrotechnical devices with liquid dielectric and device for its implementation
CN111403187B (en) * 2020-03-30 2021-07-09 安徽麦特电子股份有限公司 High-temperature oil treatment device for capacitor machining
CN111525592A (en) * 2020-05-12 2020-08-11 江苏普力讯电力科技有限公司 Processing technology of low-voltage intelligent power compensation controller
CN115036154B (en) * 2022-02-22 2024-05-28 深圳市昱光电子有限公司 Pneumatic self-locking impregnation cylinder
CN115491668B (en) * 2022-10-31 2023-09-08 江苏亨通精工金属材料有限公司 Copper rod production equipment based on impregnation method and production process thereof
EP4383301A3 (en) * 2022-11-09 2024-08-07 Skeleton Technologies GmbH Process for manufacturing a supercapacitor, in particular electrolyte injection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1553461A (en) * 2003-05-30 2004-12-08 上海贵宝机电有限公司 Debubbling and drying apparatus for dipping insulative media of power capacitors
CN201994186U (en) * 2010-12-17 2011-09-28 珠海华冠电容器有限公司 Novel impregnation electrolyte device of aluminum electrolytic capacitor
CN102856084B (en) * 2012-08-28 2015-08-19 苏州工业园区和顺电气股份有限公司 For the processing method of capacitor vacuumize dipping

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB807746A (en) * 1955-12-22 1959-01-21 Gen Electric Improvements relating to impregnation processes
US3532575A (en) * 1966-09-12 1970-10-06 Furukawa Electric Co Ltd Method of manufacturing a laminated material for electrical insulator
JPH02180011A (en) * 1988-12-29 1990-07-12 J C C Eng Kk Method of and apparatus for vacuum impregnation of electrolytic capacitor
JP2003071398A (en) * 2001-08-30 2003-03-11 Tdk Corp Apparatus for cleaning electronic part
JP5034204B2 (en) * 2005-09-29 2012-09-26 パナソニック株式会社 Method for manufacturing power storage element
CN101950642B (en) * 2010-09-16 2013-04-17 中国电力科学研究院 Vacuum insulation oil impregnating device and method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1553461A (en) * 2003-05-30 2004-12-08 上海贵宝机电有限公司 Debubbling and drying apparatus for dipping insulative media of power capacitors
CN201994186U (en) * 2010-12-17 2011-09-28 珠海华冠电容器有限公司 Novel impregnation electrolyte device of aluminum electrolytic capacitor
CN102856084B (en) * 2012-08-28 2015-08-19 苏州工业园区和顺电气股份有限公司 For the processing method of capacitor vacuumize dipping

Also Published As

Publication number Publication date
CN104795255A (en) 2015-07-22
CN102856084B (en) 2015-08-19
CN104795256A (en) 2015-07-22
CN102856084A (en) 2013-01-02
CN104795256B (en) 2018-04-06
CN104795257A (en) 2015-07-22
CN104795255B (en) 2018-02-02

Similar Documents

Publication Publication Date Title
CN104795257B (en) The impregnation method of power capacitor
CN102842441B (en) The impregnation process technique of power capacitor
CN104416635A (en) Pretreatment device for improving wood impregnation efficiency and wood impregnation treatment method
JP2009277638A (en) End plate for fuel cell stack, and manufacturing method thereof
JP2010062163A5 (en)
CN103943894B (en) One is internalized into lead-acid accumulator ultrasound wave chemical synthesizing method
CN202308202U (en) Vacuum pumping and sealing machine
CN202749237U (en) Vacuum dipping treatment apparatus for power capacitor
CN203644871U (en) Battery manufacturing device and cavity-free vacuum liquid extracting device thereof
CN214306459U (en) Negative pressure filling hydrogen storage tank
CN202771970U (en) Device used in capacitor impregnating treatment
CN205064384U (en) Centrifugal pump
CN106784592A (en) A kind of soft-package battery liquid injection system and electrolyte filling method
CN208489297U (en) Pouch-type battery formation device
CN218701592U (en) Vacuum pumping device for molding by using rubber sleeve grinding tool
CN203159938U (en) Novel ultrasonic washing machine
CN202290650U (en) Ultrasonic cleaning device
CN112768244B (en) Capacitor core impregnating equipment convenient to control and positive-negative pressure alternate impregnating method
CN106706251B (en) Three-comprehensive test system for anti-vibration table internal condensation
CN113418826A (en) Constant-temperature multi-frequency ultrasonic excitation coal adsorption and desorption methane experimental device
CN212902443U (en) Contact heating vacuum heated air circulation drying oven
CN103216280B (en) Bubble aggregation engine and bubble aggregation method
CN103966795A (en) Novel ultrasonic washing machine
CN104889104A (en) Ultrasonic cleaning device
CN217614021U (en) Device for degassing and defoaming liquid by utilizing gas-liquid separation membrane

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant