CN211555576U - Graphene shielding digital transmission cable - Google Patents
Graphene shielding digital transmission cable Download PDFInfo
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- CN211555576U CN211555576U CN202020075197.6U CN202020075197U CN211555576U CN 211555576 U CN211555576 U CN 211555576U CN 202020075197 U CN202020075197 U CN 202020075197U CN 211555576 U CN211555576 U CN 211555576U
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- digital transmission
- graphite alkene
- shielding tape
- transmission cable
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Abstract
The utility model discloses a graphite alkene shielding digital transmission cable, include by a plurality of digital transmission pair twist core wires of graphite alkene shielding tape cladding, and digital transmission pair twist core wire symmetry sets up, and graphite alkene shielding tape outside cladding has the oversheath, and graphite alkene shielding tape is compound shielding tape, including from interior to exterior centre layer, first nickel coating, copper plating layer, second nickel coating and graphite alkene layer. The utility model discloses the structure is succinct reasonable, possesses better electromagnetic shield effect, has reduced the cable cost and has promoted the EMI performance of cable again.
Description
Technical Field
The utility model relates to a wire rod field, in particular to graphite alkene shielding digital transmission cable.
Background
At present, a digital signal transmission twisted-pair cable is a conductor and is insulated to form a core wire, a layer of shielding material is coated on the outer layer after twisted-pair, then a plurality of pairs of wires and an electronic wire are combined together, a layer of aluminum foil material and a metal woven shielding net are coated on the outer layer to serve as a total shielding layer, the woven shielding layer generally uses a tinned copper wire or an aluminum-magnesium woven wire as the shielding material, and in actual production, a customer can also detect the electromagnetic shielding effect of the wire.
Moreover, the traditional shielding material for signal cable has electromagnetic leakage phenomenon due to the limitation of material performance during testing, which affects the signal transmission of the cable
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, provide a graphite alkene shielding digital transmission cable, the structure is succinct reasonable, possesses better electromagnetic shield effect, has reduced the cable cost and has promoted the EMI performance of cable again.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a graphite alkene shielding digital transmission cable, includes a plurality of digital transmission pair twist core lines by graphite alkene shielding tape cladding, and digital transmission pair twist core line symmetry sets up, and graphite alkene shielding tape outside cladding has the oversheath, and graphite alkene shielding tape is compound shielding tape, includes from interior to exterior centre layer, first nickel coating, copper coating, second nickel coating and graphite alkene layer.
Further, the central layer is a polyester fiber cloth layer.
Furthermore, the digital transmission twisted-pair core wire comprises a plurality of conductors at the innermost side, the outer side of each conductor is coated with an insulating layer, an aluminum foil layer coats the conductors and the ground wire in the aluminum foil layer, and a Mylar layer is arranged on the outer side of the aluminum foil layer.
Further, the number of conductors in a single digital transmission twisted pair is set to 2.
To sum up, the utility model discloses possess following advantage:
the utility model discloses the structure is succinct reasonable, gets rid of original digital transmission cable's weaving layer and aluminium foil shielding layer, uses compound graphite alkene shielding tape as the shielding layer, possesses better electromagnetic shield effect, has reduced the cable cost and has promoted the EMI performance of cable again.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of a graphene shielding tape structure.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example 1:
the utility model provides a graphite alkene shielding digital transmission cable, as shown in fig. 1 and 2, includes a plurality of digital transmission pair twist core lines 2 by 1 cladding of graphite alkene shielding tape, and 2 symmetry settings of digital transmission pair twist core lines, and the cladding of 1 outside in graphite alkene shielding tape has oversheath 3, and this oversheath 3 is protection architecture commonly used for the wire rod.
And in the setting of the digital transmission twisted-pair core wire 2, the single digital transmission twisted-pair core wire comprises a plurality of conductors 21 at the innermost side, the number of the conductors 21 is set to be 2, the outer side of the conductor 21 is coated with an insulating layer 22, the conductor and the insulating layer form a core wire, the 2 core wires are twisted in pairs, and a layer of aluminum foil shielding material is coated on the outer layer after the twisted-pair, namely the aluminum foil layer 23.
The aluminum foil layer 23 covers the conductor 21 and the ground wire 24 therein, and a mylar layer 25 is provided outside the aluminum foil layer 23.
In this scheme, get rid of the weaving layer and the aluminium foil shielding layer of original cable, use compound graphite alkene shielding tape as signal shielding layer to compound graphite alkene shielding layer is five layers of composite construction, saves the material in the preparation of whole cable simultaneously that possesses good electromagnetic shield effect.
To sum up, this scheme structure is succinct reasonable, gets rid of the weaving layer and the aluminium foil shielding layer of original digital transmission cable, uses compound graphite alkene shielding tape as the shielding layer, possesses better electromagnetic shield effect, has reduced the cable cost and has promoted the EMI performance of cable again.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.
Claims (4)
1. A graphene shielded digital transmission cable, characterized in that: including a plurality of digital transmission pair twist core lines (2) by graphite alkene shielding tape (1) cladding, and digital transmission pair twist core line (2) symmetry sets up, graphite alkene shielding tape (1) outside cladding has oversheath (3), graphite alkene shielding tape (1) is compound shielding tape, includes from interior to exterior center layer (11), first nickel-plated layer (12), copper-plated layer (13), second nickel-plated layer (14) and graphite alkene layer (15).
2. The graphene-shielded digital transmission cable according to claim 1, wherein: the central layer (11) is a polyester fiber cloth layer.
3. The graphene-shielded digital transmission cable according to claim 2, wherein: the digital transmission twisted pair core wire (2) comprises a plurality of conductors (21) at the innermost side, an insulating layer (22) is coated on the outer side of each conductor (21), an aluminum foil layer (23) coats the conductors (21) and a ground wire (24) in the aluminum foil layer, and a Mylar layer (25) is arranged on the outer side of the aluminum foil layer (23).
4. The graphene-shielded digital transmission cable according to claim 3, wherein: the number of the conductors (21) in the single digital transmission twisted-pair core wire (2) is set to be 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020075197.6U CN211555576U (en) | 2020-01-15 | 2020-01-15 | Graphene shielding digital transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020075197.6U CN211555576U (en) | 2020-01-15 | 2020-01-15 | Graphene shielding digital transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211555576U true CN211555576U (en) | 2020-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020075197.6U Active CN211555576U (en) | 2020-01-15 | 2020-01-15 | Graphene shielding digital transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211555576U (en) |
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2020
- 2020-01-15 CN CN202020075197.6U patent/CN211555576U/en active Active
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