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Electrolytic capacitor with terminal

A technology for electrolytic capacitors and capacitors, applied to capacitor terminals, capacitor parts, etc., can solve problems such as increased contact resistance, difficulty in visually confirming the presence or absence of gasket 9, and discrete contact resistance values

Inactive Publication Date: 2008-02-06
ELNA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] After this riveting, it has high reliability in terms of mechanical strength, and there will be no problem in vibration resistance. However, since the outer lead foils 4, 5 and the rivets 7, 8 are interposed between the spacers 9, Therefore, not only the contact resistance value increases, but also the contact resistance value is discrete due to the difference in riveting pressure.
[0013] In addition, the rivets 7, 8, the outer lead foils 4, 5, and the spacer 9 are all made of aluminum and have the same color, so it is difficult to visually confirm the presence of the spacer 9 especially after riveting (whether you forget to put it in)

Method used

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  • Electrolytic capacitor with terminal
  • Electrolytic capacitor with terminal
  • Electrolytic capacitor with terminal

Examples

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Embodiment Construction

[0024] Hereinafter, preferred embodiments of the present invention will be described with reference to FIG. 1 and FIG. 2 . 2 is an explanatory diagram for explaining the step of riveting the outer lead foil to the anode side rivet. The cathode side rivet is performed in the same way as the anode side. For this reason, the components on the cathode side rivet side are shown in in parentheses. In addition, the basic structure of the electrolytic capacitor with a terminal itself can be referred to the general structure diagram of FIG. 3 described above.

[0025] First, referring to the enlarged perspective view of FIG. 1 , the spacer 10 used in the present invention is made of aluminum, and is subjected to uneven surface processing. The non-flat surface processing refers to forming either one of the concave portion and the convex portion, or both the concave portion and the convex portion on a flat surface.

[0026] As an example, a plurality of holes (recesses) can be formed i...

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Abstract

An electrolytic capacitor with terminal, can lower the contact resistance value at fixing of lead foil to a rivet by caulking the foil to the rivet through a washer and, in addition, to make the presence / absence of the washer confirmable easily and visually, even after the foil is caulked. At fixing of the lead foil to the rivet of a sealing plate by caulking the foil to the rivet through the washer, the washer is made to have at least one rugged surface, containing a plurality of recessed sections and / or projecting sections. In addition, the side face of the washer is formed to a rugged surface to reflect light irregularly.

Description

technical field [0001] The present invention relates to an electrolytic capacitor with terminals such as a solder lug terminal type electrolytic capacitor or a screw terminal type electrolytic capacitor, and more particularly, to a rivet used for riveting a lead foil drawn from a capacitor core to a rivet provided on a sealing sheet. gasket. Background technique [0002] Since the electrolytic capacitors with terminals handle a large amount of electricity, a tape-shaped lead foil is used for the outer lead of the capacitor cell, and a sealing sheet made of a hard resin sheet is used for the sealing member. [0003] A pair of rivets are fixed to the sealing sheet in a penetrating state, and the strip-shaped outer lead foil is connected to the rivet inside the capacitor case, and is led to the outside through the rivet. [0004] An example of its general structure is shown in FIG. 3 . As can be seen from this figure, the electrolytic capacitor with terminals includes a cylin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/004H01G9/008
Inventor 一居昌明胁坂吉胜
Owner ELNA
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