CN115132504A - Aluminum electrolytic capacitor core cladding impregnation method - Google Patents
Aluminum electrolytic capacitor core cladding impregnation method Download PDFInfo
- Publication number
- CN115132504A CN115132504A CN202210906716.2A CN202210906716A CN115132504A CN 115132504 A CN115132504 A CN 115132504A CN 202210906716 A CN202210906716 A CN 202210906716A CN 115132504 A CN115132504 A CN 115132504A
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- Prior art keywords
- vacuum
- impregnation
- electrolytic capacitor
- aluminum electrolytic
- electrolyte
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- 238000005470 impregnation Methods 0.000 title claims abstract description 67
- 239000003990 capacitor Substances 0.000 title claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005253 cladding Methods 0.000 title description 2
- 239000003792 electrolyte Substances 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000007654 immersion Methods 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011888 foil Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01G13/04—Drying; Impregnating
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- 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
-
- 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
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/035—Liquid electrolytes, e.g. impregnating materials
-
- 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
- H01G9/145—Liquid electrolytic capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses an aluminum electrolytic capacitor core package impregnation method, which comprises the following steps of S1: distributing the capacitor core packages in a material tray; s2: placing the material trays in which the core packages are fully distributed into an empty vacuum soaking groove, and heating the vacuum soaking groove to enable the temperature of the core packages to reach a preset temperature; s3: injecting an electrolyte into the vacuum impregnation tank to a specified liquid level height; s4: vacuumizing the vacuum immersion tank, observing the state of the electrolyte through a perspective window, and stopping if the electrolyte is boiled; s5: after the impregnation time requirement is met, the vacuum state of the vacuum impregnation tank is discharged; s6: after the impregnation is continued for the vacuum releasing time, applying positive pressure to the vacuum impregnation tank until the pressurizing time is met, releasing the positive pressure, and releasing the electrolyte in the vacuum impregnation tank; s7: repeating the steps S3-S6 to realize impregnation for multiple times; s8, after impregnation is finished, the vacuum impregnation tank is pumped to vacuum for vacuum liquid removal, and the aluminum electrolytic capacitor core package meeting the production requirement is obtained; has the advantages of good impregnation effect, shortened impregnation time and the like.
Description
Technical Field
The invention relates to the technical field of impregnation of aluminum electrolytic capacitor core packages, in particular to an impregnation method of an aluminum electrolytic capacitor core package.
Background
The quality of impregnation of the core package of the energy storage device directly affects the parameter values of some physical characteristics of the energy storage device, such as impregnation of electrolyte, and the purpose is to enable the electrolyte paper sandwiched between two layers of filtering paper to fully adsorb the electrolyte so as to enable the surfaces of the anode and cathode aluminum foils to be fully impregnated with the electrolyte;
in the flooding process of traditional condenser core package, at first carry out drying process to the core package of the condenser that needs the flooding, different steeping device and electrolyte are selected according to the different material of ware and specification again, then put into different flooding sieves respectively again, immerse the flooding sieve in the vacuum tank that has stored up different electrolyte completely again, the flooding in-process, positive negative pressure is applyed in the circulation in order to realize impregnating completely, after flooding a period, take out the unnecessary electrolyte on the electric capacity core package, at last by staff manual inspection flooding effect, this flooding mode, the operation is complicated, the flooding time is long, the flooding effect is difficult to master, required machine is many, greatly increased manufacturing cost and cost of labor.
Therefore, the impregnation method of the aluminum electrolytic capacitor core package is provided, and the problems can be solved.
Disclosure of Invention
The invention aims to solve the technical problems that the traditional impregnation method is complex in operation, long in impregnation time, difficult in impregnation effect control, multiple in required machines and greatly increased in production cost and labor cost, so that the method for impregnating the aluminum electrolytic capacitor core package is provided, and comprises the following steps:
s1: distributing the capacitor core packages in a material tray;
s2: placing the material tray in which the core packages are fully distributed into an empty vacuum soaking groove, and heating the vacuum soaking groove to enable the temperature of the core packages to reach a preset temperature;
s3: injecting an electrolyte into the vacuum impregnation tank to a specified liquid level height;
s4: vacuumizing the vacuum immersion tank, observing the state of the electrolyte through a perspective window, and stopping if the electrolyte is boiled;
s5: after the requirement of the impregnation time is met, the vacuum state of the vacuum impregnation tank is discharged;
s6: after the impregnation is continued for the vacuum releasing time, applying positive pressure to the vacuum impregnation tank until the pressurizing time is met, releasing the positive pressure, and releasing the electrolyte in the vacuum impregnation tank;
s7: repeating the steps S3-S6 to realize impregnation for multiple times;
and S8, after impregnation is finished, the vacuum impregnation tank is pumped to vacuum for vacuum liquid removal, and the aluminum electrolytic capacitor core package meeting the production requirement is obtained.
Further, the vacuum degree of the immersion tank is-0.05 mpa-0.15 mpa.
Further, the positive pressure is applied in a range of 0.1mpa to 0.2 mpa.
Further, the impregnation time is 6 to 18 seconds.
Further, the vacuum releasing time is 5-50 s.
Further, the designated liquid level completely submerges the capacitor core package in the tray.
Further, the core package of the vacuum impregnation tank is heated to 60 ℃.
Further, the heating structure of the vacuum immersion tank is an electric heating resistor, and the electric heating resistor is arranged in a bottom plate of the vacuum heating immersion tank.
The implementation of the invention has the following beneficial effects:
1. according to the invention, the core bag is heated firstly, the temperature of the core bag is increased while the core bag is dried, so that the aluminum foil of the core bag is heated to expand and then contracts when the core bag is subsequently immersed in the electrolyte, and the gap between the aluminum foil and the electrolytic paper in the core bag is slightly increased, so that the absorption of the electrolyte and the permeation of the electrolyte are facilitated.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to the drawings in the specification, the technical problem to be solved in the present embodiment is that, in a conventional impregnation method, the operation is complex, the impregnation time is long, the impregnation effect is difficult to master, a large number of machines are required, and the production cost and the labor cost are greatly increased, so that an aluminum electrolytic capacitor core package impregnation method is provided, and the aluminum electrolytic capacitor core package impregnation method includes:
s1: distributing the capacitor core packages in a material tray;
s2: placing the material tray in which the core packages are fully distributed into an empty vacuum soaking groove, heating the vacuum soaking groove to enable the temperature of the core packages to reach a preset temperature, and closing heating after the temperature of the core packages reaches the preset temperature;
s3: injecting an electrolyte into the vacuum impregnation tank to a specified liquid level height; at the moment, the electrolyte contains residual heat in the impregnation tank, so that the temperature of the electrolyte is increased, the molecular motion is accelerated, and the impregnation effect is improved.
S4: vacuumizing the vacuum immersion tank, observing the state of the electrolyte through a perspective window, and stopping if the electrolyte is boiled;
s5: after the impregnation time requirement is met, the vacuum state of the vacuum impregnation tank is discharged;
s6: after the impregnation is continued for the vacuum releasing time, applying positive pressure to the vacuum impregnation tank until the pressurizing time is met, releasing the positive pressure, and releasing the electrolyte in the vacuum impregnation tank;
s7: repeating the steps S3-S6 to realize impregnation for multiple times;
and S8, after impregnation is finished, the vacuum impregnation tank is pumped to vacuum for vacuum liquid removal, and the aluminum electrolytic capacitor core package meeting the production requirement is obtained.
The vacuum degree of the impregnation tank is-0.05 mpa-0.15 mpa.
The positive pressure is applied in the range of 0.1mpa to 0.2 mpa.
The impregnation time is 6-18 s.
The vacuum releasing time is 5-50 s.
The designated level is completely clear of the capacitor core package in the tray.
The vacuum impregnation tank was heated such that the core temperature was 60 ℃.
The heating structure of the vacuum soaking tank is an electric heating resistor which is arranged in a bottom plate of the vacuum heating soaking tank.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate agent, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An impregnation method for an aluminum electrolytic capacitor core package is characterized by comprising the following steps:
s1: distributing the capacitor core packages in a material tray;
s2: placing the material trays in which the core packages are fully distributed into an empty vacuum soaking groove, and heating the vacuum soaking groove to enable the temperature of the core packages to reach a preset temperature;
s3: injecting an electrolyte into the vacuum impregnation tank to a specified liquid level height;
s4: vacuumizing the vacuum immersion tank, observing the state of the electrolyte through a perspective window, and stopping if the electrolyte is boiled;
s5: after the requirement of the impregnation time is met, the vacuum state of the vacuum impregnation tank is discharged;
s6: after the impregnation is continued for the vacuum releasing time, applying positive pressure to the vacuum impregnation tank until the pressurizing time is met, releasing the positive pressure, and releasing the electrolyte in the vacuum impregnation tank;
s7: repeating the steps S3-S6 to realize impregnation for multiple times;
and S8, after impregnation is finished, the vacuum impregnation tank is pumped to vacuum for vacuum liquid removal, and the aluminum electrolytic capacitor core package meeting the production requirement is obtained.
2. The method for impregnating the core of the aluminum electrolytic capacitor according to claim 1, wherein the vacuum degree of the impregnation tank is-0.05 mpa-0.15 mpa.
3. The method for impregnating the core package of the aluminum electrolytic capacitor according to claim 2, wherein the positive pressure is applied in a range of 0.1mpa to 0.2 mpa.
4. The method for impregnating the core package of the aluminum electrolytic capacitor according to claim 3, wherein the impregnation time is 6 to 18 s.
5. The method for impregnating the core package of the aluminum electrolytic capacitor as recited in claim 4, wherein the vacuum releasing time is 5-50 s.
6. The method for impregnating the aluminum electrolytic capacitor core package according to claim 5, wherein the designated liquid level completely passes through the capacitor core package in the tray.
7. The method for impregnating the core package of the aluminum electrolytic capacitor according to claim 6, wherein the core package temperature of the vacuum impregnation tank is 60 ℃.
8. The method for impregnating the core package of the aluminum electrolytic capacitor according to claim 7, wherein the heating structure of the vacuum impregnation tank is an electric heating resistor, and the electric heating resistor is disposed in a bottom plate of the vacuum heating impregnation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906716.2A CN115132504A (en) | 2022-07-29 | 2022-07-29 | Aluminum electrolytic capacitor core cladding impregnation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906716.2A CN115132504A (en) | 2022-07-29 | 2022-07-29 | Aluminum electrolytic capacitor core cladding impregnation method |
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| CN115132504A true CN115132504A (en) | 2022-09-30 |
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|---|---|---|---|
| CN202210906716.2A Pending CN115132504A (en) | 2022-07-29 | 2022-07-29 | Aluminum electrolytic capacitor core cladding impregnation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116013707A (en) * | 2022-12-20 | 2023-04-25 | 贵阳立特精密机械有限公司 | Automatic positive and negative pressure impregnation equipment and impregnation process |
| CN116313573A (en) * | 2023-03-30 | 2023-06-23 | 东莞怡德电子有限公司 | Aluminum electrolytic capacitor core impregnation device and capacitor core impregnation method |
| CN116013707B (en) * | 2022-12-20 | 2024-05-28 | 贵阳立特精密机械有限公司 | Automatic positive and negative pressure impregnation equipment and impregnation process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794384A (en) * | 2014-01-25 | 2014-05-14 | 南通海立电子有限公司 | Impregnation process of core cladding of capacitor |
| CN110010355A (en) * | 2019-03-29 | 2019-07-12 | 南通江海电容器股份有限公司 | A kind of automatic impregnation method of capacitor core packet |
| KR20200020238A (en) * | 2018-08-16 | 2020-02-26 | 엘지전자 주식회사 | An induction heating type electronic device having enhanced emi reduction performance |
| CN110875147A (en) * | 2019-10-11 | 2020-03-10 | 深圳市兴创嘉技术有限公司 | Impregnation method of aluminum electrolytic capacitor core cladding |
-
2022
- 2022-07-29 CN CN202210906716.2A patent/CN115132504A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794384A (en) * | 2014-01-25 | 2014-05-14 | 南通海立电子有限公司 | Impregnation process of core cladding of capacitor |
| KR20200020238A (en) * | 2018-08-16 | 2020-02-26 | 엘지전자 주식회사 | An induction heating type electronic device having enhanced emi reduction performance |
| CN110010355A (en) * | 2019-03-29 | 2019-07-12 | 南通江海电容器股份有限公司 | A kind of automatic impregnation method of capacitor core packet |
| CN110875147A (en) * | 2019-10-11 | 2020-03-10 | 深圳市兴创嘉技术有限公司 | Impregnation method of aluminum electrolytic capacitor core cladding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116013707A (en) * | 2022-12-20 | 2023-04-25 | 贵阳立特精密机械有限公司 | Automatic positive and negative pressure impregnation equipment and impregnation process |
| CN116013707B (en) * | 2022-12-20 | 2024-05-28 | 贵阳立特精密机械有限公司 | Automatic positive and negative pressure impregnation equipment and impregnation process |
| CN116313573A (en) * | 2023-03-30 | 2023-06-23 | 东莞怡德电子有限公司 | Aluminum electrolytic capacitor core impregnation device and capacitor core impregnation method |
| CN116313573B (en) * | 2023-03-30 | 2024-03-19 | 东莞怡德电子有限公司 | Aluminum electrolytic capacitor core impregnation device and capacitor core impregnation method |
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