CN219226076U

CN219226076U - Capacitor film for producing folding capacitor

Info

Publication number: CN219226076U
Application number: CN202223317390.4U
Authority: CN
Inventors: 周友良; 祝明贺; 孙正荣; 刘继勇; 王通宇; 邱红; 王艳
Original assignee: Yancheng Tongqi Electric Manufacturing Co ltd
Current assignee: Yancheng Tongqi Electric Manufacturing Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-20
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a capacitor film for producing a folding capacitor, which comprises a strip-shaped organic film and each conductive combination layer; each atomizing surface is arranged on the upper side surface and the lower side surface of the strip-shaped organic film at intervals; each conductive combination layer is distributed on each atomization surface; the conductive combined layer comprises a strip-shaped connecting layer, rectangular electrode layers and various rectangular vapor layers; a folding flanging is arranged on the edge of the strip-shaped organic film; an electrode penetrating hole is arranged on each of the two folding turnups. The capacitor film can enhance the adhesive force of the vapor deposition layer by utilizing the atomization surface, prevent the metal layer from separating in the capacitor folding manufacturing process, and ensure the reliability of the capacitor; the strip-shaped connecting layer, the rectangular electrode layer and each narrow strip connecting layer can be used for reliably and electrically connecting each rectangular vapor layer with the capacitor electrode after the capacitor is folded and manufactured, so that the conductivity is ensured.

Description

Capacitor film for producing folding capacitor

Technical Field

The utility model relates to a capacitor film, in particular to a capacitor film for producing a folding capacitor.

Background

At present, the structure of the existing capacitor film is fixed, but a rectangular metal film is only evaporated on an organic film, but due to the limited thickness of the metal film, the metal film is possibly separated or damaged during folding production, the reliability of the capacitor is reduced, and in addition, when the capacitor film is folded and manufactured, the conductivity of the metal film is reduced due to stretching of a folding surface. Therefore, it is necessary to design a capacitor film for producing a folding capacitor, so that the produced folding capacitor has better reliability and conductivity.

Disclosure of Invention

The utility model aims to: the capacitor film for producing the folding capacitor is provided, so that the produced folding capacitor can have better reliability and conductivity.

The technical scheme is as follows: the utility model relates to a capacitor film for producing a folding capacitor, which comprises a strip-shaped organic film and each conductive combination layer; each atomizing surface is arranged on the upper side surface and the lower side surface of the strip-shaped organic film at intervals, and the positions of the atomizing surfaces on the upper side surface and the lower side surface correspond to each other; each conductive combination layer is distributed on each atomization surface; the conductive combined layer comprises a strip-shaped connecting layer, rectangular electrode layers and various rectangular vapor layers; the strip-shaped connecting layer is arranged in the middle of the strip-shaped organic film along the length direction of the strip-shaped organic film, the rectangular electrode layer is vertically connected in the middle of the strip-shaped connecting layer, and the rectangular electrode layers on the upper side surface and the lower side surface extend to the edges of the same side length of the strip-shaped organic film; the rectangular electrode layers on the upper side surface and the lower side surface are staggered and positioned at two adjacent folding positions; each rectangular evaporation layer is distributed on the atomization surface in an array manner and is electrically connected with the strip-shaped connecting layer through each narrow strip connecting layer; a folding flanging which is convenient to fold is arranged on the edge of the strip-shaped organic film and is close to the end parts of the two rectangular electrode layers; an electrode penetrating hole is arranged on each of the two folding turnups.

Further, shearing alignment notches are formed in the length edges of the two sides of the strip-shaped organic film and located between the atomizing surfaces; each strip-shaped slit hole is arranged between two opposite shearing alignment notches at intervals.

Further, the rectangular vapor deposition layer is formed by stacking a rectangular aluminum vapor deposition layer and a rectangular zinc vapor deposition layer, the rectangular zinc vapor deposition layer is covered on the rectangular aluminum vapor deposition layer, and the area of the rectangular zinc vapor deposition layer is the same as that of the rectangular aluminum vapor deposition layer.

Further, adjacent rectangular vapor deposition layers which are distributed at intervals along the length direction of the strip-shaped organic film are electrically connected through a narrow strip connecting layer.

Further, folding laser scores are arranged between adjacent rectangular vapor deposition layers which are distributed at intervals along the length direction of the strip-shaped organic film.

Further, a flanging folding notch is arranged at the joint of the folding flanging and the strip-shaped organic film.

Compared with the prior art, the utility model has the beneficial effects that: the adhesive force of the strip-shaped connecting layer, the rectangular electrode layer, the narrow strip-shaped connecting layer and the rectangular vapor layer can be enhanced by utilizing the atomization surface, so that the metal layer is prevented from being separated in the capacitor folding manufacturing process, and the reliability of the capacitor is ensured; the strip-shaped connecting layers, the rectangular electrode layers and the narrow strip-shaped connecting layers can be used for reliably and electrically connecting each rectangular vapor layer with a capacitor electrode after the capacitor is folded and manufactured, so that the conductivity is ensured; the conductive connection can be realized by utilizing each narrow strip connecting layer, and meanwhile, when each rectangular vapor layer is broken down, the timely fusing of the narrow strip connecting layer can be realized, so that the safety of the capacitor in use is ensured; the two slit notches are utilized to form a folding flanging, so that a convex rectangular convex edge is not required to be arranged at the edge of the strip-shaped organic film to position a capacitor electrode, and the manufacturing requirement of the strip-shaped organic film is reduced; the electrode penetrating holes are utilized to conveniently penetrate and position capacitance electrodes of the capacitor; the rectangular electrode layers are arranged at two adjacent folding positions, so that the capacitor electrode can be firmly clamped at the folding positions when the capacitor is folded and manufactured, and the conductivity is further enhanced.

Drawings

FIG. 1 is a schematic view of a partial structure of a strip-shaped organic thin film according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1.

Detailed Description

The technical scheme of the present utility model will be described in detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the embodiments.

As shown in fig. 1 and 2, the capacitor film for producing a folding capacitor according to the present utility model comprises: a stripe-shaped organic thin film 1 and each conductive composite layer; each atomizing surface 2 is arranged on the upper side surface and the lower side surface of the strip-shaped organic film 1 at intervals, and the positions of the atomizing surfaces 2 on the upper side surface and the lower side surface correspond to each other; each conductive combination layer is distributed on each atomizing surface 2; the conductive combined layer comprises a strip-shaped connecting layer 12, a rectangular electrode layer 11 and each rectangular vapor layer; the strip-shaped connecting layer 12 is arranged in the middle of the strip-shaped organic film 1 along the length direction of the strip-shaped organic film 1, the rectangular electrode layer 11 is vertically connected to the middle of the strip-shaped connecting layer 12, and the rectangular electrode layers 11 on the upper side and the lower side face extend to the length edges of the same side of the strip-shaped organic film 1; the rectangular electrode layers 11 on the upper side surface and the lower side surface are staggered in position and positioned at two adjacent folding positions; each rectangular vapor layer is distributed on the atomizing surface 2 in an array manner and is electrically connected with the strip-shaped connecting layer 12 through each narrow strip connecting layer 13; two slit notches 7 are arranged on the edge of the strip-shaped organic film 1 and near the end parts of the two rectangular electrode layers 11, so that a folding flanging 8 is formed at the end parts of the two rectangular electrode layers 11; an electrode insertion hole 9 for inserting the capacitor electrode 14 is arranged on each of the two folding flanges 8.

The adhesive force of the strip-shaped connecting layer 12, the rectangular electrode layer 11, the narrow strip-shaped connecting layer 13 and the rectangular vapor layer can be enhanced by utilizing the atomization surface 2, so that the metal layer is prevented from being separated in the capacitor folding manufacturing process, and the reliability of the capacitor is ensured; the strip-shaped connecting layers 12, the rectangular electrode layers 11 and the narrow strip-shaped connecting layers 13 can be used for reliably and electrically connecting each rectangular vapor layer with the capacitor electrode 14 after the capacitor is folded and manufactured, so that the conductivity is ensured; the conductive connection can be realized by utilizing each narrow strip connecting layer 13, and meanwhile, when each rectangular vapor layer is broken down, the timely fusing of the narrow strip connecting layer 13 can be realized, so that the safety of the capacitor in use is ensured; the two slit notches 7 are utilized to form a folding flanging 8, so that a convex rectangular convex edge is not required to be arranged at the edge of the strip-shaped organic film 1 to position the capacitor electrode 14, and the manufacturing requirement of the strip-shaped organic film 1 is reduced; the electrode penetrating holes 9 are utilized to conveniently penetrate and position the capacitance electrodes 14 of the capacitor; the rectangular electrode layers 11 are arranged at two adjacent folding positions, so that the capacitor electrode 14 can be firmly clamped at the folding positions when the capacitor is folded and manufactured, and the conductivity is further enhanced.

Further, shearing alignment notches 5 are arranged on the length edges of the two sides of the strip-shaped organic film 1 and positioned between the atomizing surfaces 2; each strip-shaped slit hole 6 is arranged between two opposite shearing alignment notches 5 at intervals. The shearing alignment notch 5 is utilized to facilitate the machine to position the folding cutting position between the atomizing surfaces 2 and fold and cut along the strip-shaped slit holes 6.

Further, the rectangular vapor deposition layer is formed by stacking a rectangular aluminum vapor deposition layer 4 and a rectangular zinc vapor deposition layer 3, the rectangular zinc vapor deposition layer 3 is covered on the rectangular aluminum vapor deposition layer 4, and the area of the rectangular zinc vapor deposition layer 3 is the same as the area of the rectangular aluminum vapor deposition layer 4; the strip-shaped connecting layer 12 and the rectangular electrode layer 11 adopt copper vapor deposition layers with better electric conductivity than zinc and aluminum.

Further, adjacent rectangular vapor deposition layers spaced apart in the longitudinal direction of the strip-shaped organic film 1 are electrically connected to each other by a narrow strip connection layer 13. The narrow strip connection layer 13 is used for electrically connecting adjacent rectangular vapor deposition layers, so that the overall conductivity of each rectangular vapor deposition layer distributed in an array manner is further enhanced.

Further, folding laser scores 10 are provided between adjacent rectangular vapor deposition layers spaced apart in the longitudinal direction of the strip-shaped organic film 1. The folded laser scores 10 can facilitate the positioning of each atomizing surface 2 during the folding of the capacitor, realize Z-shaped folding and improve the manufacturing efficiency of the capacitor.

Further, a burring folding score 15 is provided at the junction of the folding burring 8 and the strip-shaped organic film 1. The folding of the folded flange 8 can be facilitated by utilizing the flange folding nick 15, so that the capacitor electrode 14 can be conveniently inserted.

Further, the thickness of the rectangular aluminum evaporation layer 4 is 5-7 μm; the thickness of the rectangular zinc vapor deposition layer 3 is 19-22 μm, and the thicknesses of the strip-shaped connection layer 12 and the rectangular electrode layer 11 are 25-29 μm.

When the capacitor film for producing the folding capacitor is manufactured and used, the strip-shaped connecting layer 12, the rectangular electrode layer 11, the narrow strip-shaped connecting layer 13, the rectangular aluminum vapor deposition layer 4 and the rectangular zinc vapor deposition layer 3 are all formed by vapor deposition in a vacuum vapor deposition mode, the vapor deposition shapes are all formed by sticking a vapor deposition shielding layer in advance, and the thickness of the plating layer is controlled by vapor deposition time.

As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A capacitor film for the production of a folded capacitor, characterized by: comprises a strip-shaped organic film (1) and each conductive combination layer; each atomizing surface (2) is arranged on the upper side surface and the lower side surface of the strip-shaped organic film (1) at intervals, and the positions of the atomizing surfaces (2) on the upper side surface and the lower side surface correspond to each other; each conductive combination layer is distributed on each atomization surface (2); the conductive combined layer comprises a strip-shaped connecting layer (12), a rectangular electrode layer (11) and each rectangular vapor layer; the strip-shaped connecting layer (12) is arranged in the middle of the strip-shaped organic film (1) along the length direction of the strip-shaped organic film (1), the rectangular electrode layer (11) is vertically connected to the middle of the strip-shaped connecting layer (12), and the rectangular electrode layers (11) on the upper side and the lower side face extend to the edges of the same side length of the strip-shaped organic film (1); the rectangular electrode layers (11) on the upper side surface and the lower side surface are staggered in position and positioned at two adjacent folding positions; each rectangular vapor layer is distributed on the atomizing surface (2) in an array manner and is electrically connected with the strip-shaped connecting layer (12) through each narrow strip connecting layer (13); a folding flanging (8) which is convenient to fold is arranged on the edge of the strip-shaped organic film (1) and is close to the end parts of the two rectangular electrode layers (11); an electrode penetrating hole (9) is arranged on each of the two folding flanges (8).

2. The capacitor film for producing a folding capacitor as defined in claim 1, wherein: shearing alignment notches (5) are formed in the length edges of the two sides of the strip-shaped organic film (1) and positioned between the atomizing surfaces (2); and each strip-shaped slit hole (6) is arranged between two opposite shearing alignment notches (5) at intervals.

3. The capacitor film for producing a folding capacitor as defined in claim 1, wherein: the rectangular vapor deposition layer is formed by stacking a rectangular aluminum vapor deposition layer (4) and a rectangular zinc vapor deposition layer (3), the rectangular zinc vapor deposition layer (3) covers the rectangular aluminum vapor deposition layer (4), and the area of the rectangular zinc vapor deposition layer (3) is the same as the area of the rectangular aluminum vapor deposition layer (4).

4. The capacitor film for producing a folding capacitor as defined in claim 1, wherein: adjacent rectangular vapor deposition layers distributed at intervals along the length direction of the strip-shaped organic film (1) are electrically connected through narrow strip connecting layers (13).

5. The capacitor film for producing a folding capacitor as defined in claim 1, wherein: folding laser scores (10) are arranged between adjacent rectangular vapor deposition layers which are distributed at intervals along the length direction of the strip-shaped organic film (1).

6. The capacitor film for producing a folding capacitor as defined in claim 1, wherein: the joint of the folding flanging (8) and the strip-shaped organic film (1) is provided with a flanging folding notch (15).