Dustproof conductive foam

Abstract

According to the dustproof conductive foam provided by the utility model, in the working process, the flame-retardant foam layer is used as the surface layer of the dustproof conductive foam, so that the fireproof and high-temperature-resistant performance of the dustproof conductive foam can be improved. And the conductive sheet arranged in each conductive through hole of the flame-retardant foam layer can further improve the conductive performance of the dustproof conductive foam. And the dustproof conductive foam is conveniently connected with an external electric contact point through the two conductive sheets. The conductive cloth layer can improve the conductivity and flexibility of the dustproof conductive foam. The conductive adhesive layer can increase the conductivity and impact resistance of the conductive foam, and the conductive cloth layer can be firmly connected with the conductive foam inner core through the conductive adhesive layer. And the frame-shaped conductive supporting net wrapped in the conductive adhesive layer can improve the conductivity and the structural strength of the dustproof conductive foam. The conductive foam inner core can further improve the conductive performance of the dustproof conductive foam. The dustproof conductive foam is high in structural strength, good in toughness, excellent in conductivity and good in dustproof effect.

Description

Technical Field

[0001] The utility model relates to the field of conductive foam, in particular to dust-proof conductive foam. Background Art

[0002] Foam is a material made by expanding plastic particles, often referred to as foam. It can be categorized as PU foam, antistatic foam, conductive foam, EPE, CR, and EVA. Foam offers a range of advantages, including good elasticity, light weight, rapid pressure-sensitive fixation, ease of use, flexible bending, and reliable performance. It provides excellent cushioning and sound insulation, and is widely used in electronics, vehicles, and home furnishings. Conductive sponge, with its conductive and cushioning properties, is widely used in electronic products such as PDP televisions, LCD monitors, LCD TVs, mobile phones, laptops, MP3 players, telecommunications cabinets, and medical equipment, as well as in the military and aerospace sectors.

[0003] However, traditional conductive sponges, such as the technical solution disclosed in the patent with application number CN202320259401.3 and invention name "A Conductive Foam", have insufficient conductive properties, low structural strength and insufficient toughness. Utility Model Content

[0004] Based on this, it is necessary to provide a dust-proof conductive foam to address the technical problems of traditional conductive sponges, such as insufficient conductive performance, low structural strength, and insufficient toughness.

[0005] A dustproof conductive foam, which comprises, from the inside to the outside, a conductive foam core, a conductive adhesive layer, a conductive cloth layer, and a flame-retardant foam layer;

[0006] The conductive adhesive layer is connected to the conductive foam core, and a frame-shaped conductive support net is wrapped in the conductive adhesive layer; the conductive cloth layer is connected to the conductive adhesive layer; the flame retardant foam layer is connected to the conductive cloth layer; the surface of the flame retardant foam layer is coated with a fire retardant coating; the top and bottom surfaces of the flame retardant foam layer are provided with conductive through-holes, and the flame retardant foam layer is provided with a conductive sheet in each of the conductive through-holes, and the conductive sheet is connected to the conductive cloth layer.

[0007] In one embodiment, the conductive foam core is a conductive sponge.

[0008] In one embodiment, the frame-shaped conductive support mesh is a frame-shaped copper mesh.

[0009] In one embodiment, the frame-shaped conductive support mesh is a frame-shaped aluminum mesh.

[0010] In one embodiment, the conductive sheet is a graphene conductive sheet.

[0011] In one embodiment, the thickness of the conductive adhesive layer is 0.2 mm to 0.4 mm.

[0012] In one embodiment, the thickness of the conductive cloth layer is 0.1 mm to 0.2 mm.

[0013] In one embodiment, the thickness of the flame retardant foam layer is 0.15 mm to 0.3 mm.

[0014] In one embodiment, the thickness of the frame-shaped conductive support mesh is 0.02 mm to 0.05 mm.

[0015] In one embodiment, the conductive fabric layer is a conductive non-woven fabric.

[0016] During the operation of the above-mentioned dust-proof conductive foam, the flame-retardant foam layer as the surface layer of the dust-proof conductive foam can improve the fireproof and high-temperature resistant performance of the dust-proof conductive foam. The conductive sheets arranged in each conductive opening of the flame-retardant foam layer can further improve the conductive performance of the dust-proof conductive foam. The dust-proof conductive foam is conveniently connected to external electrical contact points through two conductive sheets. The conductive cloth layer can increase the conductive performance and flexibility of the dust-proof conductive foam. The conductive adhesive layer can increase the conductive performance and impact resistance of the conductive foam, and the conductive cloth layer can be firmly connected to the conductive foam core through the conductive adhesive layer. The frame-shaped conductive support net wrapped in the conductive adhesive layer can improve the conductive performance and structural strength of the dust-proof conductive foam. The conductive foam core can further improve the conductive performance of the dust-proof conductive foam. The above-mentioned dust-proof conductive foam has high structural strength, good toughness, excellent conductive performance and good dust-proof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of dust-proof conductive foam in one embodiment;

[0018] Figure 2 This is a schematic diagram of a partially enlarged structure of the dust-proof conductive foam in one embodiment. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below. In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be understood as limiting the present invention.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0021] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0022] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0024] Please also refer to Figures 1 to 2 The utility model provides a dustproof conductive foam 10, which includes, from the inside to the outside, a conductive foam core 100, a conductive adhesive layer 200, a conductive cloth layer 300 and a flame retardant foam layer 400.

[0025] In this embodiment, the conductive foam core 100 is a conductive sponge. The conductive adhesive layer 200 is connected to the conductive foam core 100. In this embodiment, the thickness of the conductive adhesive layer 200 is 0.2 mm to 0.4 mm. Furthermore, the thickness of the conductive adhesive layer 200 is 0.3 mm. A frame-shaped conductive support mesh 210 is encased within the conductive adhesive layer 200. The thickness of the frame-shaped conductive support mesh 210 is 0.02 mm to 0.05 mm. Furthermore, the thickness of the frame-shaped conductive support mesh 210 is 0.04 mm. In this embodiment, the frame-shaped conductive support mesh 210 is a frame-shaped copper mesh. In another embodiment, the frame-shaped conductive support mesh 210 is a frame-shaped aluminum mesh. The conductive fabric layer 300 is connected to the conductive adhesive layer 200. In this embodiment, the conductive fabric layer 300 is a conductive non-woven fabric. The thickness of the conductive fabric layer 300 is 0.1 mm to 0.2 mm. Furthermore, the thickness of the conductive fabric layer 300 is 0.15 mm. The flame-retardant foam layer 400 is connected to the conductive fabric layer 300. In this embodiment, the thickness of the flame-retardant foam layer 400 is 0.15 mm to 0.3 mm, and further, the thickness of the flame-retardant foam layer 400 is 0.2 mm. The surface of the flame-retardant foam layer 400 is coated with a fire-retardant coating to further enhance its fire-resistant and high-temperature resistance. Conductive openings 401 are defined on both the top and bottom surfaces of the flame-retardant foam layer 400. Each conductive opening 401 is provided with a conductive sheet 410, which is connected to the conductive fabric layer 300. In this embodiment, the conductive sheet 410 is a graphene conductive sheet.

[0026] During operation, the flame-retardant foam layer 400, serving as the surface layer of the dust-proof conductive foam 10, can improve the fireproof and high-temperature resistance of the dust-proof conductive foam 10. The conductive sheet 410 provided within each conductive opening 401 of the flame-retardant foam layer 400 can further improve the conductive performance of the dust-proof conductive foam 10. The two conductive sheets 410 facilitate connection of the dust-proof conductive foam 10 with external electrical contact points. The conductive fabric layer 300 can enhance the conductive performance and flexibility of the dust-proof conductive foam 10. The conductive adhesive layer 200 can enhance the conductive performance and impact resistance of the conductive foam. The conductive fabric layer 300 can be securely connected to the conductive foam core 100 via the conductive adhesive layer 200. The frame-shaped conductive support mesh 210 encased within the conductive adhesive layer 200 can enhance the conductive performance and structural strength of the dust-proof conductive foam 10. The conductive foam core 100 can further enhance the conductive performance of the dust-proof conductive foam 10. The dustproof conductive foam 10 has high structural strength, good toughness, excellent conductive performance and good dustproof effect.

[0027] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0028] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A dust-proof conductive foam, characterized in that: From the inside to the outside, it includes: conductive foam core, conductive adhesive layer, conductive cloth layer and flame retardant foam layer; The conductive adhesive layer is connected to the conductive foam core, and a frame-shaped conductive support net is wrapped in the conductive adhesive layer; the conductive cloth layer is connected to the conductive adhesive layer; the flame retardant foam layer is connected to the conductive cloth layer; the surface of the flame retardant foam layer is coated with a fire retardant coating; the top and bottom surfaces of the flame retardant foam layer are provided with conductive through-holes, and the flame retardant foam layer is provided with a conductive sheet in each of the conductive through-holes, and the conductive sheet is connected to the conductive cloth layer.

2. The dust-proof conductive foam according to claim 1, characterized in that: The conductive foam inner core is a conductive sponge.

3. The dust-proof conductive foam according to claim 1, characterized in that: The frame-shaped conductive support mesh is a frame-shaped copper mesh.

4. The dust-proof conductive foam according to claim 1, characterized in that: The frame-shaped conductive support mesh is a frame-shaped aluminum mesh.

5. The dust-proof conductive foam according to claim 1, characterized in that: The conductive sheet is a graphene conductive sheet.

6. The dustproof conductive foam according to claim 1, characterized in that: The thickness of the conductive adhesive layer is 0.2 mm to 0.4 mm.

7. The dust-proof conductive foam according to claim 1, characterized in that: The thickness of the conductive cloth layer is 0.1 mm to 0.2 mm.

8. The dustproof conductive foam according to claim 1, characterized in that: The thickness of the flame retardant foam layer is 0.15 mm to 0.3 mm.

9. The dustproof conductive foam according to claim 1, characterized in that: The thickness of the frame-shaped conductive support mesh is 0.02 mm to 0.05 mm.

10. The dustproof conductive foam according to claim 1, characterized in that: The conductive fabric layer is a conductive non-woven fabric.

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