DP2.116K high-definition transmission line

Abstract

The utility model relates to the technical field of transmission cables, in particular to a DP2.116K high-definition transmission line, which comprises a component II and filling cotton yarns, a signal line, a shielding layer and an outer coating layer are respectively wrapped on the surface of the component II, the signal line comprises a component I and a bulletproof wire structure, an aluminum foil layer is wrapped on the surface of the component I, and the outer coating layer is wrapped on the surface of the component II. The surface of the aluminum foil layer is wrapped by a hot melting polyester belt, the surface of the first component is wrapped by a middle sheath layer, the signal line is wrapped by an aluminum foil mylar layer, and an insulating layer is arranged between the signal line and the aluminum foil mylar layer. According to the utility model, through the cooperation of the component 1, the aluminum foil layer, the hot melt polyester tape and the middle protected layer, smaller attenuation and stable characteristic impedance can be ensured, the attenuation of a finished product 1.5 M DP80 can be controlled within-10dB / 15GHz, the standard characteristic impedance is 85 + / -5 omega, the actual characteristic impedance can be 85 + / -3 omega, through the cooperation of the shielding layers, the shielding rate is more than%, and EMI interference is effectively prevented by adopting three shielding layers.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission cables, in particular to a DP2.116K high-definition transmission cable. Background Art

[0002] With the development of electronic information technology, the data transmission speed between various electronic devices is getting faster and faster. At present, the terminal display market is mainly based on the DP1.4 cable structure, and the display screen is mainly 4K / 60Hz as the main market demand, and 4K / 120Hz or 8K / 60Hz is mainly for some high-end or game players.

[0003] In the existing technology, the announcement number CN221151431U is called an 8K signal video processor, but the cables are relatively short. If they are longer, the transmitted signal may not be so good, and the clarity will be reduced. In addition, traditional cables will also be affected by external signal interference. In order to solve the above technical problems, it is necessary for us to design a DP2.116K high-definition transmission cable to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a DP2.116K high-definition transmission cable, which has the advantages of supporting DP54 and DP80 launched in the DP2.1 version, supporting up to 16K / 60Hz high-definition picture quality display, using a length of more than 3M, and a transmission rate of 80Gbps, solving the problem of large transmission signal attenuation and low transmission speed of current products, which cannot meet user needs.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a DP2.116K high-definition transmission line, comprising component two and filling cotton yarn, the surface of component two being wrapped with a signal line, a shielding layer and an outer layer respectively, the signal line comprising component one and a bulletproof wire structure, the surface of component one being wrapped with an aluminum foil layer, the surface of the aluminum foil layer being wrapped with a hot-melt polyester tape, the surface of component one being wrapped with a middle protective layer, the outside of the signal line being coated with an aluminum foil Mylar layer, and an insulating layer being arranged between the signal line and the aluminum foil Mylar layer.

[0006] Preferably, the material of the component 2 is a single piece of oxygen-free copper, and the signal line is composed of multiple signal conductors.

[0007] Preferably, the shielding layer is made of tinned copper braid, the middle protected layer is made of PFA plastic film, and the insulating layer is made of soluble polytetrafluoroethylene.

[0008] Preferably, the second component is arranged in the middle of the signal line, the signal lines are respectively placed in a single plane, and the filling cotton yarn is placed on the side opposite to the first component and the signal line.

[0009] Preferably, the outer coating layer adopts an integral outer coating film, and the outer coating layer wraps the shielding layer, the signal line, the second component and the filling cotton yarn respectively.

[0010] Preferably, the aluminum foil Mylar layer is respectively adhered to the signal wire and the shielding layer, and the signal wires are arranged symmetrically.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. This utility model can ensure smaller attenuation and stable characteristic impedance through the coordination of component 1, aluminum foil layer, hot-melt polyester tape and middle protective layer. The finished product 1.5M DP80 attenuation can be controlled to within -10dB / 15GHz, and the characteristic impedance standard is 85+ / -5Ω, and can actually reach 85+ / -3Ω.

[0013] 2. The utility model adopts three shielding layers through the cooperation of shielding layers, with a shielding rate of more than 90%, effectively preventing EMI interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view schematic diagram of the utility model;

[0015] Figure 2 It is a partial three-dimensional schematic diagram of the utility model;

[0016] Figure 3 It is an exploded three-dimensional schematic diagram of the utility model.

[0017] In the figure: 1. Component 2; 2. Filling cotton yarn; 3. Signal line; 4. Shielding layer; 5. Outer layer; 6. Component 1; 7. Bulletproof wire structure; 8. Aluminum foil layer; 9. Hot-melt polyester tape; 10. Middle protective layer; 11. Aluminum foil Mylar layer; 12. Insulation layer. DETAILED DESCRIPTION

[0018] See also Figure 1-Figure 3 A DP2.116K high-definition transmission line includes a component 1 and a filling cotton yarn 2. The surface of the component 1 is wrapped with a signal line 3, a shielding layer 4 and an outer layer 5 respectively. The signal line 3 includes a component 6 and a bulletproof wire structure 7. The surface of the component 6 is wrapped with an aluminum foil layer 8. The surface of the aluminum foil layer 8 is wrapped with a hot-melt polyester tape 9. The surface of the component 6 is wrapped with a middle protective layer 10. The outside of the signal line 3 is covered with an aluminum foil Mylar layer 11. An insulating layer 12 is arranged between the signal line 3 and the aluminum foil Mylar layer 11.

[0019] See also Figure 1 The material of component 2 1 is a single piece of oxygen-free copper, and the signal line 3 is composed of multiple signal conductors.

[0020] See also Figure 1 and Figure 3 The shielding layer 4 is made of tinned copper braid, the protected layer 10 is made of PFA plastic film, and the insulating layer 12 is made of soluble polytetrafluoroethylene. By setting the insulating layer 12, it not only plays the role of insulating shielding for the entire high-frequency and high-speed data transmission cable, but also strengthens the protection of the cable core.

[0021] See also Figure 1 , component 2 1 is arranged in the middle of the signal line 3, the signal lines 3 are placed in a single plane, and the filling cotton yarn 2 is placed on the opposite side of component 1 6 and the signal line 3. By setting the filling cotton yarn 2, the filling is enhanced, the tensile strength is excellent, and it is resistant to high temperature.

[0022] See also Figure 1 The outer layer 5 adopts an integral outer layer membrane. By setting the outer layer 5, the compressive, tensile and mechanical strength are enhanced, and the protection of the cable core is strengthened. The outer layer 5 wraps the shielding layer 4, the signal line 3, the component 2 1 and the filling cotton yarn 2 respectively.

[0023] See also Figure 1 The aluminum foil Mylar layer 11 is respectively adhered to the signal line 3 and the shielding layer 4. By setting the aluminum foil Mylar layer 11, it plays an anti-interference, high temperature resistance, fire resistance and aging resistance, and the signal line 3 is arranged symmetrically.

[0024] When in use, extrude part 2 1 and filling cotton yarn 2, twist and arrange the aluminum foil layer 8 and the hot-melt polyester tape 9, and then perform impedance weaving to form a differential signal unit impedance braided layer. Arrange the differential signal unit part 1 6 adjacently, add a bulletproof wire structure 7 on the surface, and place it in a single plane to form a signal line 3, and wrap part 2 1, filling cotton yarn 2 and signal line 3 with a core wire insulation layer 12 to form a core wire. After the weaving is completed, the core wire is twisted and arranged, and then the aluminum foil Mylar layer 11 is extruded. The core wire is pressed by covering the outer surface of the wire to produce adhesion, which has good reinforcement strength and excellent sealing. The back-end processing is simple, and the extrusion screen is The shielding layer 4 and the outer layer 5 wrap the aluminum foil Mylar layer 11. The manufacturing process is simple and controllable. The core wire capacitance and wire diameter are detected online, and the tension and lay length of the aluminum wrap are also fed back in real time. The production equipment technology is mature. It has passed the DP2.1 Association DP54 certification test and has been tested for 2.5M. The actual use length is 3.5M, and the transmission rate reaches 54Gbps. It has passed the DP2.1 Association DP80 certification test and has been tested for 1.5M. The actual use length is 2.5M, and the transmission rate reaches 80Gbps. If it is used with the customer's active IC connector, the transmission rate of 80Gbps can be achieved with a longer length.

[0025] In summary: the DP2.116K high-definition transmission line, through the cooperation of component 2 1, filling cotton yarn 2, signal line 3, shielding layer 4, outer layer 5 and insulation layer 12, solves the problem of large transmission signal attenuation and low transmission speed of current products, which cannot meet user needs.

Claims

1. A DP2.116K high-definition transmission line, comprising a second component (1) and a filling cotton yarn (2), characterized in that: The surface of the component 2 (1) is respectively wrapped with a signal line (3), a shielding layer (4) and an outer layer (5); the signal line (3) includes a component 1 (6) and a bulletproof wire structure (7); the surface of the component 1 (6) is wrapped with an aluminum foil layer (8); the surface of the aluminum foil layer (8) is wrapped with a hot-melt polyester tape (9); the surface of the component 1 (6) is wrapped with an intermediate protective layer (10); the outside of the signal line (3) is coated with an aluminum foil Mylar layer (11); and an insulating layer (12) is provided between the signal line (3) and the aluminum foil Mylar layer (11).

2. The DP2.116K high-definition transmission cable according to claim 1, characterized in that: The material of the component 2 (1) is a single piece of oxygen-free copper, and the signal line (3) is composed of multiple signal conductors.

3. The DP2.116K high-definition transmission cable according to claim 1, characterized in that: The material of the shielding layer (4) is tinned copper braid, the material of the middle protected layer (10) is PFA plastic film, and the material of the insulating layer (12) is soluble polytetrafluoroethylene material.

4. The DP2.116K high-definition transmission cable according to claim 1, characterized in that: The second component (1) is arranged in the middle of the signal line (3), the signal lines (3) are respectively placed in a single plane, and the filling cotton yarn (2) is placed on the side opposite to the first component (6) and the signal line (3).

5. The DP2.116K high-definition transmission cable according to claim 1, characterized in that: The outer coating layer (5) adopts an integral outer coating film, and the outer coating layer (5) respectively wraps the shielding layer (4), the signal line (3), the second component (1) and the filling cotton yarn (2).

6. The DP2.116K high-definition transmission cable according to claim 1, characterized in that: The aluminum foil Mylar layer (11) is respectively adhered to the signal line (3) and the shielding layer (4), and the signal line (3) is arranged symmetrically.

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