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Reinforcement method of flat aluminum electrolytic capacitor and flat aluminum electrolytic capacitor

An aluminum electrolytic capacitor, plate-type technology, applied in the direction of liquid electrolytic capacitors, capacitor components, capacitor shells/packages, etc., can solve the problems of easy corrosion, poor reliability, etc., to avoid corrosion, prevent electro-hydraulic leakage, avoid the effect of lap conduction

Active Publication Date: 2016-04-20
AVIC NO 631 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the technical problems existing in the existing flat aluminum electrolytic capacitors, such as easy to be connected with other devices, easy to be corroded, and poor in reliability, the present invention provides a reinforcement method for flat aluminum electrolytic capacitors

Method used

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  • Reinforcement method of flat aluminum electrolytic capacitor and flat aluminum electrolytic capacitor
  • Reinforcement method of flat aluminum electrolytic capacitor and flat aluminum electrolytic capacitor
  • Reinforcement method of flat aluminum electrolytic capacitor and flat aluminum electrolytic capacitor

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Example 1: Reinforce the single capacitor (model MLS331M200EKJ1C), see the schematic diagram of capacitor reinforcement figure 1 , Use epoxy thermal insulating glue to seal the inside of the shell, and use H01-1 epoxy varnish to insulate the shell surface.

Embodiment 2

[0041] Example 2: Reinforce the single capacitor (model MLP113M050EB1A), see the schematic diagram of capacitor reinforcement figure 2 , Use epoxy thermal insulating glue to seal the inside of the shell, and use S01-3 polyurethane varnish for shell surface insulation treatment.

Embodiment 3

[0042] Example 3: Reinforce the double capacitor (model MLP113M050EB1A), see the schematic diagram of capacitor reinforcement image 3 , use epoxy thermally conductive insulating glue to seal the inside of the shell, and use S01-3 polyurethane varnish to insulate the surface of the shell. The difference from Examples 1 and 2 is that an insulating backing plate is placed between the two capacitors to make the two capacitors insulated.

[0043] The flat aluminum electrolytic capacitor with a reinforced shell produced by the above method includes at least one flat aluminum electrolytic capacitor 1, a protective shell 2 with one end open, an insulating backing plate 3 adhered to the inner wall of the protective shell, and poured into the Insulation glue 10 between the flat aluminum electrolytic capacitor and the insulating backing plate, a side wall of the protective case is provided with a corresponding lead wire hole 9, and the capacitance pin 7 of the flat aluminum electrolytic...

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Abstract

The invention relates to a flat-plate aluminum electrolytic capacitor and a reinforcing method thereof. The reinforcing method comprises the following steps: 1, preparing a protective shell, wherein one end of the protective shell is opened, and a pin penetrating hole is formed in one side wall of the protective shell; 2, prebonding an insulating pad plate on the inner wall of the protective shell; 3, putting the flat-plate aluminum electrolytic capacitor from the opened end into the protective shell; 4, injecting heat-conducting insulating glue from the opened end into the protective shell till the glue fills a gap inside the protective shell and immerses the flat-plate aluminum electrolytic capacitor; and 5, spraying insulating varnish onto the protective shell, so that the protective shell is insulated from the flat-plate aluminum electrolytic capacitor, thus avoiding lap conduction of the flat-plate aluminum electrolytic capacitor and other components, avoiding corrosion and preventing electrolyte leakage.

Description

technical field [0001] The invention belongs to the technical field of strengthening electronic components, and relates to a strengthening method of a flat aluminum electrolytic capacitor and the flat aluminum electrolytic capacitor. Background technique [0002] Flat-type aluminum electrolytic capacitors are widely used in power supplies and chassis products, and their shells are made of aluminum. The following problems may occur during use: [0003] 1) The aluminum shell is easy to overlap with other devices; [0004] 2) Under severe service conditions, the aluminum shell is easily corroded by acid, alkali and salt; [0005] 3) After the shell is corroded or damaged, the electrolyte in the capacitor will leak, polluting and corroding other components and modules; [0006] 4) Capacitors are not easy to fix when assembling, and usually need to be tied with wire harnesses and fixed with clips, which has poor reliability; [0007] 5) The dimensions of capacitors of differen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/08H01G9/145
Inventor 曲亮石红崔景新喻少英何艳春
Owner AVIC NO 631 RES INST