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Impregnation method of aluminium electrolytic capacitor slugs

A technology of aluminum electrolytic capacitors and cores, applied in electrolytic capacitors, capacitors, capacitor parts, etc., can solve the problems of reduced capacitor capacity, easy bending of leads, insufficient impregnation, etc., to improve production efficiency and shorten process time , The effect of shortening the impregnation time

Active Publication Date: 2010-12-15
益阳稳顺电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The impregnation time is long, and the elements are messy, and the leads are easy to bend. Especially when producing medium and high voltage aluminum electrolytic capacitors, because the core diameter of medium and high voltage aluminum electrolytic capacitors is relatively large, the vacuum impregnation has the following disadvantages: First, the impregnation time Long, such as a core with a diameter of φ16㎜~φ18㎜, the conventional impregnation time is 15 hours to 20 hours; second, insufficient impregnation will reduce the capacity of the capacitor and increase the loss angle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A kind of aluminum electrolytic capacitor core impregnation method, it comprises the following steps:

[0014] ⑴Put the cores to be impregnated into the impregnation tank in an orderly manner (the model is CD11GH, the specification is withstand voltage 400V, capacity 100μF, core diameter is Φ18㎜);

[0015] (2) Vacuum the impregnation tank until the vacuum degree is -0.05MPa~-0.15Mpa (-0.1Mpa in this example), and keep the pressure for 10 minutes to 15 minutes (10 minutes in this example); Pump from the liquid storage tank to the impregnation tank, and close the communication valve;

[0016] (3) Apply vacuum to the impregnation tank until the vacuum degree is -0.05MPa~-0.15MPa (-0.1Mpa in this example), and impregnate the core for 0.5 hours to 20 hours (15 hours in this example);

[0017] ⑷ Dry the impregnated core.

[0018] In step (1), the core to be impregnated is placed vertically or horizontally in the impregnation tank according to the axial direction of the core...

Embodiment 2

[0021] The model is CD11GH, the specification is withstand voltage 350V, the capacity is 22μF, and the diameter of the core is Φ13㎜. In step (1), the core to be impregnated is placed in the impregnation tank horizontally according to the axial direction of the core.

[0022] The impregnation time of this embodiment is 11 hours, saving 2 hours.

[0023] The rest are the same as embodiment 1.

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Abstract

The invention discloses an impregnation method of aluminium electrolytic capacitor slugs, the impregnation time of which is short. The invention is characterized in that the method comprises the following steps: (1) placing the slugs to be impregnated in an impregnation vat in order; (2) vacuumizing the impregnation vat to be in the vacuum degree of 0.05MPa-minus 0.15MPa, keeping the pressure for 10min-15min, opening a connection valve, pumping an electrolyte solution to the impregnation vat and closing the connection valve; (3) vacuumizing the impregnation vat to be in the vacuum degree of 0.05MPa-minus 0.15MPa, and impregnating the slugs for 0.5h-20h; and (4) drying the impregnated slugs. The method of the invention has simpleness, practicability and convenient operation; through experiments, the impregnation time is greatly shortened, for example, the conventional impregnation time of the slug with a diameter of Phi16mm-Phi18mm is 15h-20h, and the impregnation time thereof is 10h-15h after the method is used, thereby greatly shortening technology time, improving production efficiency, and obviously improving product quality.

Description

technical field [0001] The invention relates to a production method of an aluminum electrolytic capacitor, in particular to a method for impregnating a core of an aluminum electrolytic capacitor, in particular to a method for impregnating a core of a medium-high voltage aluminum electrolytic capacitor. Background technique [0002] At present, in the production of aluminum electrolytic capacitors, the cores generally adopt the vacuum impregnation method, that is, the cores are randomly placed in an impregnation tank and impregnated in a vacuum state for 0.5 hours to 20 hours. The impregnation time is long, and the elements are messy, and the lead wires are easy to bend. Especially when producing medium and high voltage aluminum electrolytic capacitors, because the core diameter of medium and high voltage aluminum electrolytic capacitors is relatively large, the vacuum impregnation has the following disadvantages: First, the impregnation time Long, such as a core with a diame...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/00H01G9/004
Inventor 郑杰向新浓蒋利华陈利华
Owner 益阳稳顺电子有限公司
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