Conductive composite material based on graphene electromagnetic shielding function

Abstract

The utility model relates to the technical field of electromagnetic shielding materials, in particular to a conductive composite material based on a graphene electromagnetic shielding function, which comprises a graphene layer, an inner layer is arranged at the bottom of the graphene layer, a conductive layer is arranged at the top of the graphene layer, and a nickel plating protective layer is arranged at the top of the conductive layer. The auxiliary structure is arranged in the conductive layer, and the auxiliary structure is used for enhancing the overall tensile strength of the material; according to the material, the anti-pulling performance of the material can be enhanced under the action of an auxiliary structure through the arrangement of the auxiliary structure, the anti-pulling effect of the conductive layer can be effectively enhanced through the first connecting strips and the second connecting strips which are arranged in a latticed mode, and meanwhile the situation that the first connecting strips and the second connecting strips are separated can be reduced through the arrangement of the connecting columns and the connecting parts; the connecting strength of the two is effectively enhanced, and the anti-pulling effect of the material is further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic shielding material, especially a kind of conductive composite material based on the electromagnetic shielding function of graphene. BACKGROUND

[0002] With the development of electronic information technology, electromagnetic wave communication, detection is widely applied, this one hand facilitates our life, but on the other hand it also caused serious electromagnetic pollution, in order to reduce electromagnetic pollution, electromagnetic shielding research gradually in-depth, and conductive composite material has important application prospect on electromagnetic shielding, and the tensile resistance of existing conductive composite material is poor.

[0003] Therefore, a kind of conductive composite material based on the electromagnetic shielding function of graphene is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing conductive composite material based on the electromagnetic shielding function of graphene to solve the above problems, and improve the tensile resistance of existing conductive composite material.

[0005] The utility model realizes the above-mentioned purpose by the following technical scheme, a kind of conductive composite material based on the electromagnetic shielding function of graphene, including: graphene layer, the bottom of the graphene layer is provided with inner layer, the top of the graphene layer is provided with conductive layer, the top of the conductive layer is provided with nickel plating protective layer;Auxiliary structure, the auxiliary structure is set to the inside of conductive layer, and the auxiliary structure is used to strengthen the overall tensile strength of material.

[0006] Preferably, the auxiliary structure includes two groups of first connecting strips symmetrically distributed above and below in the conductive layer, the number of first connecting strips in each group is not less than nine, and the extension direction of the first connecting strips is the same as the extension direction of the conductive layer.

[0007] Preferably, a plurality of second connecting strips are evenly distributed between the two groups of first connecting strips, the included angle between the second connecting strips and the first connecting strips is ninety degrees, and the first connecting strips and the second connecting strips are distributed in a grid shape.

[0008] Preferably, the auxiliary structure further includes a plurality of connecting parts embedded and installed on the top of the conductive layer and evenly distributed, the bottom of the connecting part is fixedly connected with a connecting column, and the lower end of the connecting column penetrates the conductive layer, the first connecting strip above, the second connecting strip and the second connecting strip below in sequence and is fixedly connected with the inner wall of the second connecting strip below.

[0009] Preferably, the first connecting strip and the second connecting strip are both silver fiber material components.

[0010] Preferably, the connecting part and the connecting column are both silver-plated metal material members.

[0011] The utility model discloses the beneficial effect is:

[0012] 1. Through set up auxiliary structure, can strengthen the tensile property of material under the action of auxiliary structure, through the first connecting strip and the second connecting strip of grid shape setting, can effectively strengthen the tensile effect of conductive layer, the setting of connecting column and connecting part can reduce the separation condition of first connecting strip and second connecting strip, effectively strengthen the connecting strength of two, further strengthen the tensile effect of material.

[0013] 2. Through set up graphene layer, conductive layer, nickel-plated protective layer and auxiliary structure, can carry out multiple shielding to electromagnetic wave, strengthen electromagnetic shielding effect. DRAWINGS

[0014] Figure 1 It is the structure schematic drawing of the utility model;

[0015] Figure 2 It is the local section schematic drawing of the utility model;

[0016] Figure 3 It is the connection schematic drawing of auxiliary structure and conductive layer of the utility model;

[0017] Figure 4 It is the structure schematic drawing of auxiliary structure of the utility model.

[0018] In the drawing: 1, graphene layer;2, inner layer;3, conductive layer;4, nickel-plated protective layer;5, auxiliary structure;501, first connecting strip;502, second connecting strip;503, connecting column;504, connecting part. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0020] Specific implementation time: as Figures 1-4 The utility model discloses a conductive composite material based on graphene electromagnetic shielding function, including: graphene layer 1, the bottom of graphene layer 1 is provided with inner layer 2, the top of graphene layer 1 is provided with conductive layer 3, and the top of conductive layer 3 is provided with nickel-plated protective layer 4;Auxiliary structure 5, auxiliary structure 5 is arranged in the inside of conductive layer 3, and auxiliary structure 5 is used to strengthen the overall tensile strength of material.

[0021] As Figures 1-4 shown, the auxiliary structure 5 includes two groups of first connecting strips 501 arranged inside the conductive layer 3 and symmetrically distributed up and down, the number of each group of first connecting strips 501 is not less than nine, the extension direction of the first connecting strip 501 is the same as the extension direction of the conductive layer 3, the second connecting strip 502 is uniformly distributed between the two groups of first connecting strips 501, the included angle between the second connecting strip 502 and the first connecting strip 501 is ninety degrees, the first connecting strip 501 and the second connecting strip 502 are distributed in a grid shape, the auxiliary structure 5 further includes a plurality of connecting parts 504 embedded and arranged on the top of the conductive layer 3 and uniformly distributed, the bottom of the connecting part 504 is fixedly connected with the connecting column 503, the lower end of the connecting column 503 penetrates the conductive layer 3, the upper first connecting strip 501, the second connecting strip 502 and the lower second connecting strip 502 in sequence and is fixedly connected with the inner wall of the lower second connecting strip 502, the first connecting strip 501 and the second connecting strip 502 are silver fiber material components, the connecting part 504 and the connecting column 503 are silver-plated metal material components;

[0022] The first connecting strip 501 and the second connecting strip 502 are fixedly connected through the connecting column 503, so that they are prevented from being separated, and the grid-shaped space between the first connecting strip 501 and the second connecting strip 502 can enhance the tensile resistance of the conductive layer 3, thereby enhancing the tensile resistance of the material as a whole, and the connecting part 504 can increase the contact area of the connecting column 503 with the nickel-plated protective layer 4;

[0023] The first connecting strip 501 and the second connecting strip 502 are silver fiber material components, which can enhance the conductive effect, thereby enhancing the electromagnetic shielding effect of the conductive layer 3, and under the joint action of the connecting column 503 and the connecting part 504, the contact area with the nickel-plated protective layer 4 can be increased, thereby increasing the conductive area, so that the first connecting strip 501 and the second connecting strip 502 can better perform electromagnetic shielding, and cooperate with the graphene layer 1 to effectively improve the electromagnetic shielding effect of the material as a whole.

[0024] In use, one side of the inner layer 2 faces the object to be protected, and under the action of the nickel-plated protective layer 4, the electromagnetic shielding effect can be initially achieved, the conductive layer 3, the first connecting strip 501, the second connecting strip 502, the connecting column 503 and the connecting part 504 can further perform electromagnetic shielding by utilizing good conductive effect, and finally the last layer of electromagnetic shielding protection is performed under the action of the graphene layer 1 itself, thereby greatly improving the electromagnetic shielding effect, and under the joint action of the first connecting strip 501, the second connecting strip 502, the connecting column 503 and the connecting part 504, the grid-shaped first connecting strip 501 and the second connecting strip 502 can effectively enhance the tensile resistance of the conductive layer 3, thereby enhancing the tensile resistance of the material as a whole, and avoiding the poor tensile resistance of the traditional composite material.

[0025] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An electrically conductive composite material based on the electromagnetic shielding function of graphene, characterized by, The application relates to a graphene layer (1), the bottom of the graphene layer (1) is provided with an inner layer (2), the top of the graphene layer (1) is provided with a conductive layer (3), the top of the conductive layer (3) is provided with a nickel-plated protective layer (4), an auxiliary structure (5) is arranged in the conductive layer (3), and the auxiliary structure (5) is used for strengthening the overall tensile strength of the material. The auxiliary structure (5) comprises two groups of first connecting strips (501) arranged in the conductive layer (3) and symmetrically distributed upwards and downwards, the number of the first connecting strips (501) in each group is not less than nine, and the extension direction of the first connecting strips (501) is the same as the extension direction of the conductive layer (3). Second connecting strips (502) are arranged between the two groups of first connecting strips (501) and are uniformly distributed, the included angle between the second connecting strips (502) and the first connecting strips (501) is 90 degrees, and the first connecting strips (501) and the second connecting strips (502) are distributed in a grid shape. 2.The graphene-based electrically conductive composite material with electromagnetic shielding function according to claim 1, characterized in that: The auxiliary structure (5) further comprises a plurality of connecting parts (504) embeddedly arranged on the top of the conductive layer (3) and uniformly distributed, the bottom of the connecting part (504) is fixedly connected with a connecting column (503), the lower end of the connecting column (503) penetrates the conductive layer (3), the upper first connecting strip (501), the second connecting strip (502) and the lower second connecting strip (502) in sequence and is fixedly connected with the inner wall of the lower second connecting strip (502). 3.The graphene-based electrically conductive composite material with electromagnetic shielding function according to claim 2, characterized in that: The first connecting strip (501) and the second connecting strip (502) are both silver fiber material components.

4. The conductive composite material based on graphene electromagnetic shielding function according to claim 3, characterized in that: The connecting part (504) and the connecting column (503) are both silver-plated metal material components.

5. The conductive composite material based on graphene electromagnetic shielding function according to claim 2, characterized in that: ​ 6.The graphene-based electrically conductive composite material with electromagnetic shielding function according to claim 4, characterized in that: ​

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