CN218585697U

CN218585697U - USB4.0 data line

Info

Publication number: CN218585697U
Application number: CN202123381860.9U
Authority: CN
Inventors: 彭伟灵; 周龙冰
Original assignee: Dongguan Sinosyncs Industrial Co ltd
Current assignee: Dongguan Sinosyncs Industrial Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-03-07
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of the USB signal transmission wire rod, a USB4.0 data line is disclosed, including the optical fiber unit, copper line unit, the protective unit, ground wire unit and filler, the optical fiber unit includes four optic fibre and even extrusion molding well quilt cover in four optic fibre peripheries, copper line unit wraps around the optical fiber unit, copper line unit includes the first signal transmission unit of two cores, the second signal transmission unit and two power cords of three cores, the protective unit cladding is in the outside of copper line unit, the ground wire unit is located the inboard of protective unit, the filler is filled in the gap between optical fiber unit and copper line unit. The optical fiber unit can transmit high-speed signals to realize high-speed and long-distance transmission of USB4.0, and the first signal transmission unit can transmit video and audio signals, so that diversified use requirements of users are met.

Description

USB4.0 data line

Technical Field

The utility model relates to a USB data transmission wire rod technical field especially relates to a USB4.0 data line.

Background

The data transmission line is used for connecting the mobile equipment and the computer to achieve the purpose of data transmission or communication. With the continuous improvement of the data transmission speed of the USB data transmission line, at present, the transmission speed of the USB4.0 data transmission line reaches 40Gbps in a single channel, however, the data transmission medium of the adopted high-speed signal is still a copper cable, the use length is limited, and the signal transmission requirements of long distance and high speed cannot be met.

Based on the above situation, it is desired to design a USB4.0 data line to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: a USB4.0 data line is provided which can satisfy signal transmission requirements for long distances and high speeds and which can also transmit video and audio signals.

To achieve the purpose, the utility model adopts the following technical proposal:

a USB4.0 data line, comprising:

the optical fiber unit comprises four optical fibers and a middle quilt cover uniformly extruded on the peripheries of the four optical fibers, and the optical fiber unit is used for transmitting high-speed signals;

the copper wire unit is wound around the optical fiber unit and comprises a first signal transmission unit with two cores, a second signal transmission unit with three cores and two power wires, the first signal transmission unit is used for transmitting USB2.0 signals and video and audio signals, the second signal transmission unit is used for transmitting low-speed signals, and the power wires are used for transmitting electric energy;

the protection unit is coated on the outer side of the copper wire unit and used for protecting and shielding the optical fiber unit and the copper wire unit;

the ground wire unit is positioned on the inner side of the protection unit and used for shielding the interference of external signals;

and the filler is filled in a gap between the optical fiber unit and the copper wire unit.

As a preferred scheme, the first signal transmission unit includes two copper wires and a first shielding layer, and the first shielding layer covers the outer sides of the two copper wires.

As a preferable aspect, the ground line unit includes:

a first ground line within the first shield layer;

and the second ground wire is positioned between the first shielding layer and the protection unit.

As a preferable scheme, the first shielding layer is an aluminum foil mylar tape.

As a preferred scheme, the protection unit includes a second shielding layer and a cable sheath, the second shielding layer is coated on the outer side of the copper wire unit, and the cable sheath is coated on the outer side of the second shielding layer.

Preferably, the second shielding layer is a tin-plated copper woven mesh.

Preferably, the cable sheath is made of halogen-free material.

Preferably, the filler is aramid fiber yarn, PP tearing rope, cotton yarn or nylon yarn.

As a preferable scheme, the copper wire of the copper wire unit is bare copper, silver-plated copper, tinned stranded copper, bare stranded copper or silver-plated stranded copper.

Preferably, the optical fiber unit and the copper wire unit are twisted and connected according to a fixed pitch.

The beneficial effects of the utility model are that: the utility model provides a USB4.0 data line, the optic fibre unit is used for transmitting high-speed signal, first signal transmission unit is used for transmitting USB2.0 signal and video and audio signal, the second signal transmission unit is used for transmitting low-speed signal, the power cord is used for transmitting the electric energy, the protection unit is used for protecting and shielding optic fibre unit and copper line unit, the ground wire unit is used for shielding the interference of external signal, thereby make USB4.0 data line can realize USB 4.0's high speed and long distance transmission, and first signal transmission unit can transmit video and audio signal, user's diversified user demand has been satisfied.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a diagram of a USB4.0 data line.

In fig. 1:

1. an optical fiber unit; 11. an optical fiber; 12. a middle quilt cover;

2. a copper wire unit; 21. a first signal transmission unit; 211. a first shielding layer; 22. a second signal transmission unit; 23. a power line;

3. a protection unit; 31. a second shielding layer; 32. a cable jacket;

4. a ground wire unit; 41. a first ground line; 42. a second ground line;

5. and (4) filling materials.

Detailed Description

In order to make the technical problems, the adopted technical solutions and the achieved technical effects of the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a USB4.0 data line, including an optical fiber unit 1, a copper wire unit 2, a protection unit 3, a ground wire unit 4, and a filler 5, where the optical fiber unit 1 is used to transmit a high-speed signal, the optical fiber unit 1 includes four optical fibers 11 and a middle quilt cover 12 uniformly extruded on the periphery of the four optical fibers 11, the optical fibers 11 are OM3 optical fibers, and the middle quilt cover 12 is made of a low-smoke halogen-free material; the copper wire unit 2 is wrapped around the optical fiber unit 1, and specifically includes a two-core first signal transmission unit 21, a three-core second signal transmission unit 22 and two power lines 23, the first signal transmission unit 21 and the second signal transmission unit 22 are respectively disposed on two opposite sides of the optical fiber unit 1, and the two power lines 23 are respectively disposed on two other opposite sides of the optical fiber unit 1, so that the optical fiber unit is compact in structure, wherein the first signal transmission unit 21 is used for transmitting USB2.0 signals, the characteristic impedance is 90+/-13.5 ohms, and can also be used for transmitting AUX signals of DP2.0, the second signal transmission unit 22 is used as detection signals of a USB-C interface end and is used for transmitting low-speed signals, the two power lines 23 are used for transmitting electric energy, the wire gauge is 20AWG, and the highest USB TYPE-C100W (20V/5A) is supported to supply power to the equipment end so as to ensure that the equipment end has sufficient working voltage; the protection unit 3 is coated on the outer side of the copper wire unit 2, and can protect the optical fiber unit 1 and the copper wire unit 2 inside and shield the interference of external signals; the ground wire unit 4 is positioned at the inner side of the protection unit 3 and is used for shielding the interference of external signals; the filler 5 is located on the inner side of the protection unit 3 and filled in the gap between the optical fiber unit 1 and the copper wire unit 2, so that the roundness of the USB4.0 data line can be ensured, and meanwhile, the tensile resistance and the swing resistance of the USB4.0 data line are improved. Firstly, in the embodiment, the optical fiber unit 1 is adopted to transmit the high-speed signal of the USB4.0, so that the wire diameter can be minimized, and meanwhile, the signal is not attenuated too much due to an excessively long use length, so that the signal is not unstable, and the long-distance and high-speed signal transmission is realized; secondly, the power line 23 can support 100W (20V/5A) to supply power to the equipment, so that the normal use of the equipment is ensured; finally, the first signal transmission unit 21 can also support the transmission of video and audio signals to meet the diverse use requirements of users.

In this embodiment, first signal transmission unit 21 includes two copper lines and first shielding layer 211, the periphery of two copper lines has the insulating cover of foaming polyethylene to wrap respectively, first shielding layer 211 can set up to aluminium foil wheat stretching strap or copper foil wheat stretching strap, the first shielding layer 211 of this embodiment is aluminium foil wheat stretching strap, two copper line outsides are wrapped by first shielding layer 211 simultaneously, can shield the signal interference outside first signal transmission unit 21, make two copper lines can transmit USB2.0 signal and video and audio signal high-qually.

In a preferred embodiment, the ground wire unit 4 includes a first ground wire 41 and a second ground wire 42, the first ground wire 41 is located in the first shielding layer 211 to provide interference protection for the first signal transmission unit 21, and the second ground wire 42 is located between the first shielding layer 211 and the protection unit 3 to provide interference protection for the optical fiber unit 1 and the copper wire unit 2, so as to improve the interference resistance of the USB4.0 data line.

Specifically, the protection unit 3 includes a second shielding layer 31 and a cable sheath 32, the second shielding layer 31 covers the outer sides of the copper wire unit 2 and the second ground 42, the second shielding layer 31 is a tin-plated copper braided net, and can shield signal interference between the optical fiber unit 1 and the copper wire unit 2 and external signals, increase shielding rate to more than 85%, effectively prevent electromagnetic interference, and thus improve anti-interference performance of the USB4.0 data line; the cable sheath 32 is wrapped on the outer side of the second shielding layer 31, and the cable sheath 32 can play a role in protection, so that the service life of the USB4.0 data line is prolonged. It can be understood that the USB4.0 data line of this embodiment is not covered by the aluminum foil tape, so as to improve the flexibility and facilitate the use.

Specifically, the cable sheath 32 is made of a halogen-free material, and the cable sheath 32 of the embodiment is made of a thermoplastic elastomer, so that a protection effect can be achieved, the service life of the USB4.0 data line is prolonged, and the contact comfort of the USB4.0 data line can be improved due to the excellent elasticity of the thermoplastic elastomer.

Specifically, filler 5 can set up to aramid fiber silk, the rope is torn to PP, cotton yarn or nylon yarn, and filler 5 of this embodiment is aramid fiber silk and cotton yarn, can guarantee the roundness of USB4.0 data line, increases the tensile and anti ability of swaing of USB4.0 data line simultaneously.

Specifically, copper wire unit 2's copper line material is bare copper, silvered copper, tinned stranded copper, bare stranded copper or silvered stranded copper, and the copper line material of this embodiment is tinned stranded copper, and the periphery of every copper line cladding respectively has the insulating cover of polyethylene.

In a preferred embodiment, the optical fiber unit 1 and the copper wire unit 2 are twisted and connected at a fixed pitch, and the twisted connection can enable inductance and capacitance to cancel each other, reduce the influence of interference between the self-line pair, and can also resist a part of electromagnetic wave interference, so as to maintain the stability of the transmission signal of the USB4.0 data line.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A USB4.0 data line, comprising:

an optical fiber unit (1) comprising four optical fibers (11) and a central sheath (12) uniformly extruded on the periphery of the four optical fibers (11), wherein the optical fiber unit (1) is used for transmitting high-speed signals;

the optical fiber cable comprises an optical fiber unit (1), a copper wire unit (2) and a power line, wherein the copper wire unit (2) is wound around the optical fiber unit (1), the copper wire unit (2) comprises a first signal transmission unit (21) with two cores, a second signal transmission unit (22) with three cores and two power lines (23), the first signal transmission unit (21) is used for transmitting USB2.0 signals and video and audio signals, the second signal transmission unit (22) is used for transmitting low-speed signals, and the power lines (23) are used for transmitting electric energy;

the protection unit (3) is coated on the outer side of the copper wire unit (2), and the protection unit (3) is used for protecting and shielding the optical fiber unit (1) and the copper wire unit (2);

the ground wire unit (4) is positioned on the inner side of the protection unit (3), and the ground wire unit (4) is used for shielding the interference of external signals;

and the filler (5) is filled in a gap between the optical fiber unit (1) and the copper wire unit (2).

2. The USB4.0 data line according to claim 1, wherein the first signal transmission unit (21) includes two copper wires and a first shielding layer (211), and the first shielding layer (211) covers the outer sides of the two copper wires.

3. The USB4.0 data line according to claim 2, wherein the ground unit (4) comprises:

a first ground line (41) located within the first shield layer (211);

a second ground (42) between the first shield layer (211) and the protection unit (3).

4. The USB4.0 data line of claim 2, wherein the first shielding layer (211) is an aluminum foil mylar tape.

5. The USB4.0 data line of claim 1, wherein the protection unit (3) includes a second shielding layer (31) and a cable sheath (32), the second shielding layer (31) covers the outside of the copper wire unit (2), and the cable sheath (32) covers the outside of the second shielding layer (31).

6. The USB4.0 data line of claim 5, wherein the second shielding layer (31) is a tin-plated copper braided mesh.

7. The USB4.0 data line of claim 5, wherein the cable jacket (32) is a halogen-free material.

8. The USB4.0 data line of claim 1, characterized in that the filler (5) is aramid filament, PP ripcord, cotton yarn or nylon filament.

9. The USB4.0 data line according to claim 1, characterized in that the copper wire of the copper wire unit (2) is bare copper, silver-plated copper, tin-plated stranded copper, bare stranded copper, or silver-plated stranded copper.

10. The USB4.0 data line according to claim 1, characterized in that the optical fiber unit (1) and the copper wire unit (2) are twisted connected at a fixed pitch.