CN204204465U - A kind of Graphene multi-layer cable - Google Patents

Abstract

A graphene multilayer cable, including a wire core and a sheath, wherein the wire core is 6 to 8 wire core units arranged in a bundle and twisted to form, and the outer layer of each wire core unit is wrapped with a layer of insulating film , the outside of the wire core is wrapped and protected by a sheath, and waterproof gypsum oil is also filled between the insulating film of the wire core and the sheath; the sheath includes an inner sleeve and an outer sleeve, and the inner sleeve is a layer of rubber protection. A layer of metal wire braided mesh woven by conductive metal wires is embedded in the rubber protective layer; the outer layer is F-46 resin sheath, and there are two layers between the F-46 resin sheath and the rubber protective layer and the inside of the rubber protective layer. A graphene layer is provided. The utility model has the advantages of compact structure, light weight and high strength, which can effectively resist environmental interference and protect cables.

Description

A kind of graphene multilayer cable

technical field

The utility model relates to the field of cables, in particular to a graphene multilayer cable with relatively high transmission strength. the

Background technique

At present, the insulated cables in the prior art mainly include a conductor made of a conductive core and a composite sheath structure wrapped outside the conductor. The composite sheath structure includes a metal sheath and a non-metallic sheath wrapped outside the metal sheath. Insulating outer sheath. the

The common structural features are solid copper and aluminum core conductors, and mineral insulating powder combined with seamless copper tubes as composite sheaths. The electrical insulation layer of this structure will cause poor electrical performance of the cable only by using mineral insulation alone. The defects of low withstand voltage level, and at the same time, poor electrical safety, weak tensile, compressive and bending resistance; there are also insulating rubber tubes and metal meshes used as composite insulating sheaths, but the rubber itself is soft and tough. As a result, the composite material of this type of structure cannot provide sufficient strength, so once an external force hits the cable hard, it is easy to pass through the insulation layer and damage the cable core. the

Utility model content

The technical problem solved by the utility model is to provide a graphene multilayer cable to solve the above-mentioned shortcomings in the background technology. the

The technical problem solved by the utility model adopts the following technical solutions to realize:

A graphene multilayer cable, including a wire core and a sheath, wherein the wire core is 6 to 8 wire core units arranged in a bundle and twisted to form, and the outer layer of each wire core unit is wrapped with a layer of insulating film , the outside of the wire core is wrapped and protected by a sheath, and waterproof gypsum oil is also filled between the insulating film of the wire core and the sheath; the sheath includes an inner sleeve and an outer sleeve, and the inner sleeve is a rubber protective layer. A layer of metal wire braided mesh woven by conductive metal wires is embedded in the rubber protective layer; the outer layer is F-46 resin sheath, and there are two layers between the F-46 resin sheath and the rubber protective layer and the inside of the rubber protective layer. A graphene layer is provided.

In the present utility model, the carbon fiber filaments are evenly arranged in the waterproof gypsum oil, and the mass ratio of the carbon fiber filaments in the high-viscosity waterproof gypsum oil to the high-viscosity waterproof gypsum oil is 1:100. the

In the present invention, the metal wire mesh in the rubber protective layer is preferably braided with copper wire or aluminum wire.

In the present invention, the rubber in the rubber protection layer is made of low-smoke halogen-free rubber. the

In the present invention, the insulating film is preferably a silicon nitride or silicon oxide insulating film with a thickness of 800-1000 μm. the

Beneficial effects: the utility model has the advantages of compact structure, superior electrical conductivity, light weight and good weather resistance. At the same time, it can effectively resist electromagnetic interference, and has excellent tensile and torsion resistance performance. It can effectively improve the mechanical strength of the cable and the corrosion resistance performance in the field. , can protect related lines in harsh environments. the

Description of drawings

Fig. 1 is the schematic diagram of the preferred embodiment of the utility model. the

Among them: 1. F-46 resin sheath; 2. Graphene interlayer; 3. Rubber protective layer; 4. Wire braided mesh; 5. Graphene inner layer; 6. Waterproof gypsum oil; 7. Insulation film; 8. core unit. the

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations. the

Referring to a preferred embodiment of a graphene multilayer cable in Figure 1, in this embodiment, it includes a core and a sheath, wherein the core part is arranged in a bundle of six core units 8 and twisted into shape A layer of insulating film 7 is formed on the outside of each core unit 8, and the insulating film 7 is a silicon oxide insulating film with a thickness of 1000 μm. The sheath has a double-layer structure, including an inner rubber protective layer 3 and an outer F-46 resin sheath 1. In this embodiment, the rubber protective layer 3 is made of low-smoke halogen-free rubber, with a layer of A wire braided mesh 4 woven by copper wires, and a graphene interlayer 2 is arranged between the rubber protective layer 3 and the F-46 resin sheath 1 . the

In this embodiment, high-viscosity waterproof gypsum oil 6 is filled between the core unit 8 and the rubber protective layer 3, carbon fiber filaments are evenly added to these waterproof gypsum oil 6, and the mass of carbon fiber filaments and waterproof gypsum oil 6 The ratio is 1:100. And outside the waterproof gypsum oil 6, the inner side of the rubber protective layer 3 is pasted with a graphene inner layer 5. the

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents. the

Claims (3)

1. a Graphene multi-layer cable, comprise core and sheath, it is characterized in that, core to be 6 ~ 8 core unit be boundling shape arrangement is also twisted shaping, every root core unit skin is all enclosed with one deck dielectric film, carry out parcel protection by sheath outside core, and be also filled with water-proof plaster oil between the dielectric film and sheath of core; Described sheath comprises inner sleeve and overcoat, and its inner sleeve is one deck rubber cover, is embedded with the woven wire cloth that one deck is woven by conductive wire in this rubber cover; And skin is F-46 resin sheath, and be provided with one deck graphene layer between F-46 resin sheath and rubber cover and inside rubber cover.

2. a kind of Graphene multi-layer cable according to claim 1, is characterized in that, the woven wire cloth in described rubber cover is proof copper-wire braided net or aluminium wire mesh grid.

3. a kind of Graphene multi-layer cable according to claim 1, is characterized in that, described dielectric film adopts silicon nitride or silicon oxide insulating film, and its thickness is 800 ~ 1000 μm.