Capacitor film with good tensile effect

Abstract

The utility model discloses a capacitor film with a good anti-stretching effect, which comprises a capacitor body, a film body is arranged on the surface of the capacitor body, the film body comprises a base layer, the top of the base layer is fixedly connected with an anti-stretching layer, and the top of the anti-stretching layer is fixedly connected with an anti-ultraviolet layer. According to the utility model, through the base layer, the stretch-resistant layer and the reinforcing ribs, the base layer made of the polypropylene material has the characteristics of impact resistance and good toughness, and the crisscross warp yarns and weft yarns are matched with the reinforcing yarns arranged between the warp yarns and the weft yarns in a penetrating manner, so that the stretch-resistant performance of the capacitor film can be greatly improved, and the capacitor film is not easy to be stretched by external force to be damaged; the anti-ultraviolet layer enables the capacitor film to have an ultraviolet protection effect, so that the damage of ultraviolet rays to a capacitor is reduced, and the plurality of heat-conducting carbon fiber bundles are uniformly arranged on the two surfaces of the functional layer, so that heat generated by the capacitor can be quickly dissipated, and the capacitor film has an efficient heat dissipation function.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitor films, in particular to a capacitor film with good anti-stretching effect. Background Art

[0002] Capacitor film uses film as the medium, a metal film is evaporated on one side as the plate, and the capacitor element is formed by the non-inductive winding method;

[0003] For example, the Chinese utility model provides a patent number of "a stretch-resistant capacitor film": CN201920204373.9, which includes a plastic film base, a first metal layer is provided on the top of the plastic film base, a second metal layer is provided on the bottom of the plastic film base, a first reinforcement layer is provided on the top of the first metal layer, and the concave arc-shaped reinforcement ribs and arc-shaped convex reinforcement ribs of the first reinforcement layer and the second reinforcement layer, and the first reinforcement layer and the second reinforcement layer are made of fiber materials and are in a cross shape, which increases the strength of the capacitor film while also enhancing the tensile resistance of the capacitor film;

[0004] Although the above document solves the problem that when the existing capacitor film is wound, the base layer is subjected to tensile force, which makes the base layer uneven in thickness, and thus the metal layer also has uneven thickness, it still has the disadvantages of poor heat dissipation performance and UV resistance. Therefore, a capacitor film with good tensile resistance effect is introduced here. Utility Model Content

[0005] The utility model aims to provide a capacitor film with good tensile resistance, which has the advantages of good heat dissipation and UV resistance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a capacitor film with good anti-stretching effect, comprising a capacitor body, a film body is arranged on the surface of the capacitor body, the film body comprises a base layer, an anti-stretching layer is fixedly connected to the top of the base layer, an anti-ultraviolet layer is fixedly connected to the top of the anti-stretching layer, a high temperature resistant layer is fixedly connected to the top of the anti-ultraviolet layer, and a functional layer is fixedly connected to the bottom of the base layer.

[0007] As a preferred solution, the anti-stretching layer includes warp threads, weft threads are arranged on the surface of the warp threads, reinforcing threads are arranged between the warp threads and the weft threads, and the warp threads, weft threads and reinforcing threads are all made of fiber materials.

[0008] As a preferred solution, the base layer is made of polypropylene material, the anti-ultraviolet layer is filled with an anti-ultraviolet agent, and the anti-ultraviolet agent is made of epoxy resin.

[0009] As a preferred solution, the material of the high temperature resistant layer is a polyester layer, and the material of the functional layer is a metal plating layer.

[0010] As a preferred solution, the inner surface and the outer surface of the functional layer are both fixedly connected with reinforcing ribs, and the inner cavity of the reinforcing ribs is provided with a heat-conducting carbon fiber bundle.

[0011] As a preferred solution, the outer surface of the anti-ultraviolet layer is provided with a plurality of gold wires arranged in a grid.

[0012] As a preferred solution, the outer surface of the functional layer is provided with a wear-resistant layer, and the inner cavity of the wear-resistant layer is provided with a toughness strip.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model has a base layer, an anti-stretching layer and reinforcing ribs. The base layer made of polypropylene has the characteristics of impact resistance and good toughness. The cross-shaped warp and weft threads, together with the reinforcing wires arranged therebetween, can greatly improve the tensile resistance of the capacitor film, making it difficult for the capacitor film to be stretched and damaged by external forces.

[0015] 2. The utility model adopts the anti-ultraviolet layer and the thermal conductive carbon fiber bundle. The anti-ultraviolet layer enables the capacitor film to have the ultraviolet protection effect, thereby reducing the damage of ultraviolet rays to the capacitor. A plurality of thermal conductive carbon fiber bundles are evenly arranged on both sides of the functional layer, which can quickly dissipate the heat generated by the capacitor, so that the capacitor film has efficient heat dissipation function. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the film body of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the functional layer of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the anti-stretching layer of the utility model;

[0020] Figure 5 For this utility model Figure 3 A local enlarged schematic diagram of point A in the middle.

[0021] In the figure: 1, capacitor body; 2, film body; 201, base layer; 202, anti-tensile layer; 203, anti-ultraviolet layer; 204, high temperature resistant layer; 205, functional layer; 2021, warp; 2022, weft; 2023, reinforcing wire; 2051, reinforcing rib; 2052, thermal conductive carbon fiber bundle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Embodiment 1:

[0025] See also Figure 1-Figure 5 As shown, the utility model provides a capacitor film with good anti-stretching effect, including a capacitor body 1, a film body 2 is arranged on the surface of the capacitor body 1, the film body 2 includes a base layer 201, an anti-stretching layer 202 is fixedly connected to the top of the base layer 201, an anti-ultraviolet layer 203 is fixedly connected to the top of the anti-stretching layer 202, a high temperature resistant layer 204 is fixedly connected to the top of the anti-ultraviolet layer 203, and a functional layer 205 is fixedly connected to the bottom of the base layer 201. The base layer 201 made of polypropylene has the characteristics of good impact resistance and toughness. The cross-crossed warp wires 2021 and weft wires 2022, combined with the reinforcing wires 2023 arranged through the two, can greatly improve the anti-stretching performance of the capacitor film. The anti-ultraviolet agent in the anti-ultraviolet layer 203 can isolate ultraviolet rays in the atmosphere to the greatest extent. The polyester layer has the characteristics of high temperature resistance, so that the capacitor film will not be affected by high temperature and reduce the performance. The thickness of the metal coating gradually increases from the middle to the two sides, and the metal coating is thicker on both sides. When the capacitor is made, the resistance of the metal coating when in contact with the core is reduced, and it can withstand a relatively large current.

[0026] The technical solution provides a base layer 201, an anti-tensile layer 202, a reinforcing rib 2051, an anti-ultraviolet layer 203 and a thermally conductive carbon fiber bundle 2052, which can greatly improve the strength of the capacitor film, making it less likely to be torn by external forces, isolating ultraviolet rays to prevent the capacitor from being damaged by ultraviolet rays, and can quickly dissipate the high temperature generated by the capacitor.

[0027] Embodiment 2:

[0028] On the basis of embodiment 1, the utility model is as follows Figure 1 and Figure 4As shown, it is disclosed that the anti-stretching layer 202 includes a warp thread 2021, a weft thread 2022 is arranged on the surface of the warp thread 2021, and a reinforcing thread 2023 is arranged between the warp thread 2021 and the weft thread 2022. The materials of the warp thread 2021, the weft thread 2022 and the reinforcing thread 2023 are all fiber materials, the material of the base layer 201 is polypropylene material, the interior of the anti-ultraviolet layer 203 is filled with an anti-ultraviolet agent, the material of the anti-ultraviolet agent is epoxy resin, the material of the high temperature resistant layer 204 is a polyester layer, and the material of the functional layer 205 is a metal plating layer.

[0029] The above technical scheme is adopted mainly to achieve the purpose of improving the use strength of the film body 2 and improving the UV resistance and high temperature resistance of the capacitor film. The cross-shaped warp threads 2021 and weft threads 2022, together with the reinforcing threads 2023 running through the two, can greatly improve the tensile strength of the capacitor film. The anti-ultraviolet layer 203 enables the capacitor film to have UV protection effect, thereby reducing the damage of UV rays to the capacitor.

[0030] Embodiment three:

[0031] On the basis of the second embodiment, the present invention is as follows Figure 3 As shown, it is disclosed that the inner and outer surfaces of the functional layer 205 are fixedly connected with reinforcing ribs 2051, the inner cavity of the reinforcing ribs 2051 is provided with a thermal conductive carbon fiber bundle 2052, the outer surface of the anti-ultraviolet layer 203 is provided with a plurality of gold wires, and the gold wires are arranged in a grid, the outer surface of the functional layer 205 is provided with a wear-resistant layer, and the inner cavity of the wear-resistant layer is provided with toughness strips.

[0032] The above technical scheme is adopted mainly to achieve the purpose of improving the heat dissipation performance and overall strength of the film body 2. The reinforcing ribs 2051 can further improve the strength and toughness of the film body 2. Several heat-conductive carbon fiber bundles 2052 can quickly dissipate heat. The wear-resistant layer can prevent the metal coating from being excessively worn by the outside. The inner cavity of the wear-resistant layer is provided with toughness strips, which can greatly improve the toughness of the outermost part of the capacitor film.

[0033] The working principle of the utility model is: wrapping the capacitor film on the surface of the capacitor body 1, and during the use of the capacitor film, the base layer 201 made of polypropylene has the characteristics of good impact resistance and toughness, the cross-crossed warp 2021 and weft 2022, together with the reinforcing wire 2023 arranged therebetween, can greatly improve the tensile strength of the capacitor film, the anti-ultraviolet agent in the anti-ultraviolet layer 203 can isolate the ultraviolet rays in the atmosphere to the greatest extent, the polyester layer has the characteristics of high temperature resistance, so that the capacitor film will not be affected by high temperature and reduce the performance, the thickness of the metal plating layer gradually increases from the middle to the two sides, and the metal plating layer is thicker on both sides. When the capacitor is made, the resistance of the metal plating layer when in contact with the core is reduced, and it can withstand a relatively large current. Through the anti-ultraviolet layer 203 and the heat-conducting carbon fiber bundle 2052, the anti-ultraviolet layer 203 enables the capacitor film to have ultraviolet protection effect, thereby reducing the damage of ultraviolet rays to the capacitor, and a plurality of heat-conducting carbon fiber bundles 2052 are evenly arranged on both sides of the functional layer 205, which can quickly dissipate the heat generated by the capacitor, so that the capacitor film has an efficient heat dissipation function.

[0034] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0035] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A capacitor film having good tensile strength, comprising a capacitor body (1), characterized in that: A film body (2) is arranged on the surface of the capacitor body (1), the film body (2) comprising a base layer (201), the top of the base layer (201) is fixedly connected to an anti-stretching layer (202), the top of the anti-stretching layer (202) is fixedly connected to an anti-ultraviolet layer (203), the top of the anti-ultraviolet layer (203) is fixedly connected to a high temperature resistant layer (204), and the bottom of the base layer (201) is fixedly connected to a functional layer (205).

2. A capacitor film with good tensile strength according to claim 1, characterized in that: The anti-stretching layer (202) comprises warp threads (2021), the surface of the warp threads (2021) is provided with weft threads (2022), reinforcing threads (2023) are provided between the warp threads (2021) and the weft threads (2022), and the warp threads (2021), the weft threads (2022) and the reinforcing threads (2023) are all made of fiber materials.

3. The capacitor film with good tensile strength according to claim 1, characterized in that: The base layer (201) is made of polypropylene material, and the interior of the anti-ultraviolet layer (203) is filled with an anti-ultraviolet agent, and the material of the anti-ultraviolet agent is epoxy resin.

4. The capacitor film with good tensile strength according to claim 1, characterized in that: The material of the high temperature resistant layer (204) is a polyester layer, and the material of the functional layer (205) is a metal plating layer.

5. The capacitor film with good tensile strength according to claim 1, characterized in that: The inner surface and the outer surface of the functional layer (205) are both fixedly connected with reinforcing ribs (2051), and the inner cavity of the reinforcing ribs (2051) is provided with a heat-conducting carbon fiber bundle (2052).

6. The capacitor film with good tensile strength according to claim 1, characterized in that: The outer surface of the anti-ultraviolet layer (203) is provided with a plurality of gold wires, which are arranged in a grid.

7. The capacitor film with good tensile strength according to claim 1, characterized in that: The outer surface of the functional layer (205) is provided with a wear-resistant layer, and the inner cavity of the wear-resistant layer is provided with a toughness strip.

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