Foldable capacitor core and processing process thereof

A capacitor core and folding technology, which is applied in the field of capacitors, can solve the problems of inductance and other problems, and achieve the effect of small size, reduced volume, and improved isolation capacity

Active Publication Date: 2019-09-13
GUANGDONG MENLO ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the double-sided metallized film after winding is like a coil, which will generate inductance

Method used

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  • Foldable capacitor core and processing process thereof
  • Foldable capacitor core and processing process thereof
  • Foldable capacitor core and processing process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Embodiment one, see Figure 1 to Figure 5As shown, a folded capacitor core, especially a double-sided metallized horizontal folded film capacitor, includes a double-sided metallized film 10, and the double-sided metallized film 10 includes an insulating film 1, and the surfaces on both sides of the insulating film 1 The first metallized surface 2 and the second metallized surface 5 are respectively provided, and the longitudinal edges of the two sides of the double-sided metallized film 10 are respectively provided with the first blank margin 11 and the second blank margin exposing the surface of the insulating film 1 12. The first margin 11 and the second margin 12 are distributed from left to right; the longitudinal edge of the first margin 11 is also provided with a first metallized edge 4, and the first metallized edge 4 and the first metallized The surface 2 is separated; the longitudinal edge of the second margin 12 is also provided with a second metallized edge 7...

Embodiment 2

[0055] Embodiment two, see Figure 7 to Figure 10 As shown, a folded capacitor core, especially a folded capacitor core with dislocation and stacking of multiple films, includes a double-sided metallized film 10, and the double-sided metallized film 10 includes an insulating film 1, and the insulating film 1 has two sides The side surfaces are respectively provided with a first metallized surface 2 and a second metallized surface 5, and the longitudinal edges of the two side surfaces of the double-sided metallized film 10 are respectively provided with a first margin 11 and a second blank edge 11 exposing the surface of the insulating film 1. Margins 12, the first margin 11 and the second margin 12 are distributed one left and one right; the double-sided metallized film 10 is provided with more than two sheets, and the opposite faces of two adjacent double-sided metallized films 10 are the same Each double-sided metallized film 10 is superimposed and folded horizontally to for...

Embodiment 3

[0063] Embodiment three, see Figure 13 to Figure 17 As shown, a folded capacitor core, especially a foil-type organic film capacitor, includes an insulating film 1, a first metal foil 2 and a second metal foil 3, and the first metal foil 2 and the second metal foil 3 Stagger left and right, and make the left and right sides of the insulating film 1 expose blank margins respectively, and the blank margins are respectively arranged on the surfaces of both sides of the insulating film 1; the first metal foil 2 and the second metal foil 3 are respectively stacked on the insulating film 1 After the surfaces on both sides are reciprocated and folded together horizontally (for the direction of folding, see Figure 16 (indicated by the arrow B in middle B) to form a folded piece. The left and right ends of the folded piece are respectively provided with a first terminal 4 and a second terminal 5. The first terminal 4 is in conductive contact with the first metal foil 2, and the secon...

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Abstract

The invention relates to a foldable capacitor core. The foldable capacitor core comprises a double-sided metallized thin film; the double-sided metallized thin film comprises an insulating thin film;the two side surfaces of the insulating thin film are provided with a first metallized surface and a second metallized surface respectively; the double-sided metallized thin film is transversely and repeatedly folded to form a double-sided metallized thin film folding piece; a first terminal and a second terminal are arranged at the left end and the right end of the double-sided metalized thin film folding piece respectively; the first terminal is in conductive contact with the first metallized surface; and the second terminal is in conductive contact with the second metallized surface. According to the foldable capacitor core, the double-sided metallized thin film is transversely and repeatedly folded to form the capacitor core; and compared with a traditional thin film capacitor core formed by winding, one layer of isolating paper is omitted, so that the size can be reduced by more than 20%.

Description

technical field [0001] The invention relates to a capacitor, in particular to a folded capacitor core and its processing technology. Background technique [0002] The capacitor core of the existing film capacitor is generally formed by laminating a double-sided metallized film and a release paper, and there are evaporated metal layers on both sides of the double-sided metallized film, and the two evaporated metal layers are drawn out through terminals. After forming the two electrodes of the capacitor, the function of the separator paper is to prevent the two electrodes from contacting when they are wound. In this structure, the double-sided metallized film looks like a flat plate capacitor after being unfolded, and the two evaporated metal layers form two electrodes. Therefore, adding separator paper during the winding process of the capacitor will increase the volume of the capacitor, while for the capacitor The surface area of ​​the two electrodes has no effect. In addi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G4/33H01G4/30H01G4/005H01G4/228H01G4/232H01G4/252H01G13/00
CPCH01G4/33H01G4/30H01G4/005H01G4/228H01G4/232H01G4/252H01G13/00H01G13/006
Inventor 孔祥路孔星
Owner GUANGDONG MENLO ELECTRIC POWER
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