CN218996419U

CN218996419U - USB data line

Info

Publication number: CN218996419U
Application number: CN202320080216.8U
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: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-05-09
Anticipated expiration: 2033-01-12

Abstract

The utility model belongs to the technical field of cables, and discloses a USB data line, which comprises a signal line component, a first aluminum foil belt and a tinned copper shielding layer, wherein the first aluminum foil belt is coated on the periphery of the signal line component, the tinned copper shielding layer is coated on the periphery of the first aluminum foil belt, the aluminum foil of the first aluminum foil belt faces outwards to the tinned copper shielding layer, the signal line component comprises four groups of first component components, one group of second component components, one group of third component components and one group of fourth component components, and the fourth component components comprise a power line; the second component comprises two USB signal wires, and each group of first component comprises two high-speed signal wires and a ground wire; the third component assembly comprises four detection signal lines. According to the USB data line, the core wires are reasonably arranged, so that the probability of signal interference is reduced.

Description

USB data line

Technical Field

The utility model relates to the technical field of cables, in particular to a USB data line.

Background

The advanced technology of integrating Thunderbolt3 by the USB4.0 data line has the advantages of ultra-large bandwidth data transmission capability, good display input/output function and quick charging function, the USB4.0 data line is directly connected with the PCIE bus of the CPU, lower CPU resources are occupied, the highest output rate can reach 40Gbps, and Displayport video signals can be transmitted. However, the core wires in the existing USB4.0 data line are unreasonable in arrangement, and the probability of signal interference is high.

Therefore, there is a need for a USB data line, which has a reasonable core wire arrangement, and reduces the probability of signal interference.

Disclosure of Invention

One object of the present utility model is to: the USB data line is provided, core wires are reasonably arranged, and the probability of signal interference is reduced.

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

a USB data line, the USB data line includes signal line assembly, first aluminium foil area and tinned copper shielding layer, first aluminium foil area cladding in the periphery of signal line assembly, tinned copper shielding layer cladding in the periphery of first aluminium foil area, the aluminium foil in first aluminium foil area outwards face tinned copper shielding layer, the signal line assembly includes:

a set of fourth component assemblies, said fourth component assemblies comprising a power cord;

a set of second component and four sets of first component, wherein one set of second component and four sets of first component are arranged around the periphery of the fourth component, the second component comprises two USB signal wires, and each set of first component comprises two high-speed signal wires and a ground wire;

the third component comprises four detection signal wires, a first cavity is formed between the outer wall of the first component and the inner wall of the first aluminum foil belt in a surrounding mode, three first cavities are formed, a second cavity is formed between the outer wall of the second component, the outer wall of the first component and the inner wall of the first aluminum foil belt in a surrounding mode, two second cavities are formed, and one detection signal wire is arranged on four of the first cavities and the second cavities respectively.

As an optional technical scheme, a colloid is filled between the inner wall of the first aluminum foil belt and the outer wall of the signal wire assembly.

As an optional technical scheme, the first component assembly further comprises a first copper foil belt and a first hot-melt maillard, wherein two high-speed signal wires in each group of the first component assembly are twisted in a spiral manner, the first copper foil belt is coated on the peripheries of the two high-speed signal wires and the ground wire, and the copper foil is inwards faced and keeps good contact with the inner ground wire. The first hot-melting Mylar belt is coated on the periphery of the first copper foil belt.

As an optional technical scheme, two USB signal lines spiral pair is twisted, second article subassembly still includes second aluminium foil area and second hot melt wheat stretching strap, the second aluminium foil area cladding is in two the periphery of USB signal line, the second hot melt wheat stretching strap cladding in the periphery of second aluminium foil area.

As an optional technical scheme, the periphery of each detection signal wire is coated with a third aluminum foil belt.

As an alternative technical scheme, the outer periphery of the tin-plated copper shielding layer is coated with an outer coating, and the outer coating is made of TPE material.

The utility model has the beneficial effects that:

the utility model provides a USB data line, which comprises a signal line component, a first aluminum foil belt and a tin-plated copper shielding layer, wherein the first aluminum foil belt is coated on the periphery of the signal line component, the aluminum foil of the first aluminum foil belt faces outwards to deviate from the signal line component, and then the tin-plated copper shielding layer is coated on the periphery of the first aluminum foil belt, so that the shielding rate reaches more than 85%, and electromagnetic interference is effectively prevented; the power line is arranged at the middle position, the second component and the first component are arranged around the periphery of the power line, the position layout of the core wires is optimized, and the mutual interference among the core wires is reduced; and the four detection signal wires are respectively arranged in the first cavity or the second cavity, so that the diameter of the USB data wire is reduced.

Drawings

The utility model is described in further detail below with reference to the drawings and examples;

fig. 1 is a cross section of a USB data line according to an embodiment.

In the figure:

1. a first component assembly; 11. a high-speed signal line; 12. a ground wire; 13. a first copper foil strip; 14. a first hot melt wheat drawstring;

2. a second part assembly; 21. a USB signal line; 22. a second aluminum foil strip; 23. a second hot melt wheat drawstring;

3. a third part assembly; 31. a detection signal line; 32. a third aluminum foil strip;

41. a power line;

5. a first aluminum foil strip;

6. a tin-plated copper shielding layer;

7. a first cavity;

8. a second cavity;

9. and (5) coating.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a USB data line, the USB data line includes a signal line component, a first aluminum foil tape 5 and a tin-plated copper shielding layer 6, the first aluminum foil tape 5 is wrapped around the signal line component, the tin-plated copper shielding layer 6 is wrapped around the first aluminum foil tape 5, the aluminum foil of the first aluminum foil tape 5 faces outwards to the tin-plated copper shielding layer 6, the signal line component includes four groups of first component 1, a group of second component 2, a group of third component 3 and a group of fourth component; the fourth component comprises a power cord 41; a set of second component assemblies 2 and four sets of first component assemblies 1 are circumferentially arranged on the periphery of the fourth component assembly, the second component assemblies 2 comprise two USB signal lines 21, and each set of first component assemblies 1 comprises two high-speed signal lines 11 and a ground line 12; the third component assembly 3 comprises four detection signal wires 31, a first cavity 7 is formed between the outer wall of each two adjacent first component assemblies 1 and the inner wall of each first aluminum foil belt 5 in a surrounding mode, the number of the first cavities 7 is three, a second cavity 8 is formed between the outer wall of each second component assembly 2, the outer wall of each adjacent first component assembly 1 and the inner wall of each first aluminum foil belt 5 in a surrounding mode, the number of the second cavities 8 is two, and four of the three first cavities 7 and the two second cavities 8 are respectively provided with one detection signal wire 31.

Specifically, in the USB data line of this embodiment, the first aluminum foil tape 5 is wrapped around the periphery of the signal line assembly, and the aluminum foil of the first aluminum foil tape 5 faces outwards away from the signal line assembly, and then the tin-plated copper shielding layer 6 is wrapped around the periphery of the first aluminum foil tape 5, so that the shielding rate reaches more than 85%, and electromagnetic interference is effectively prevented; the power line 41 is arranged at the middle position, the second component assembly 2 and the first component assembly 1 are arranged around the periphery of the power line 41, the position layout of the core wires is optimized, and the mutual interference among the core wires is reduced; the four detection signal wires 31 are respectively arranged in the first cavity 7 or the second cavity 8, so that the diameter of the USB data wire is reduced.

The two high-speed signal wires 11 in each group of first component assemblies 1 are twisted in a spiral manner and used for transmitting high-speed signals, the four groups of first component assemblies 1 are respectively used for transmitting four groups of high-speed signals, the conductors of the high-speed signal wires 11 are 29AWG single copper, the insulating layer of the high-speed signal wires 11 is made of polyethylene, the conductors of the ground wires 12 are 30AWG single copper, the transmission rate of each group of first component assemblies 1 is 10Gbps, and the sum of the transmission rates of the four groups of first component assemblies 1 is 40Gbps.

The conductor of the USB signal wire 21 is a tin-plated copper strand wire of 32AWG, the insulating layer of the USB signal wire 21 is made of foamed polyethylene, and the USB signal wire 21 is used for transmitting USB2.0 signals, and the transmission rate is 480Mbps.

The conductor of the detection signal wire 31 is a tin-plated copper twisted wire of 32AWG, the insulating layer of the detection signal wire 31 is made of polyethylene material, and the detection signal wire 31 is used as a core wire of the USB-C interface end to transmit a low-speed detection signal.

The conductor of the power wire 41 is tin-plated copper of 23AWG, the insulating layer of the power wire 41 is made of TPEE sea green material, the TPEE sea green material has good insulating property and high temperature resistance, burning loss is avoided, the power wire 41 supports the highest USBTYPE-C240W, power is supplied to the equipment end, and enough working voltage of the equipment end is guaranteed.

Optionally, a glue is filled between the inner wall of the first aluminum foil strip 5 and the outer wall of the signal line assembly. The colloid is used for fixing the four groups of first component assemblies 1, the group of second component assemblies 2, the group of third component assemblies 3 and the group of fourth component assemblies in the first aluminum foil belt 5, so that the signal interference caused by relative offset is avoided.

Optionally, the first component assembly 1 further includes a first copper foil tape 13 and a first hot-melt maillard 14, where the two high-speed signal wires 11 in each group of the first component assembly 1 are twisted in a spiral pair, the first copper foil tape 13 is wrapped around the two high-speed signal wires 11 and the ground wire 12, and the first hot-melt maillard 14 is wrapped around the first copper foil tape 13, so as to avoid interference of signals transmitted by the high-speed signal wires 11.

Optionally, the two USB signal wires 21 are twisted in a spiral pair, the second component assembly 2 further includes a second aluminum foil tape 22 and a second hot-melt mylar tape 23, the second aluminum foil tape 22 is wrapped around the outer circumferences of the two USB signal wires 21, and the second hot-melt mylar tape 23 is wrapped around the outer circumference of the second aluminum foil tape 22, so as to avoid interference of signals transmitted by the USB signal wires 21.

Optionally, the outer periphery of each detection signal wire 31 is wrapped with a third aluminum foil strip 32, so as to avoid interference of signals transmitted by the detection signal wires 31.

Optionally, the outer periphery of the tin-plated copper shielding layer 6 is coated with an outer coating 9, the outer coating 9 is made of TPE material, and the outer coating 9 protects the whole USB data.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model 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 utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. The utility model provides a USB data line, its characterized in that, USB data line includes signal line subassembly, first aluminium foil area (5) and tinned copper shielding layer (6), first aluminium foil area (5) cladding in the periphery of signal line subassembly, tinned copper shielding layer (6) cladding in the periphery of first aluminium foil area (5), the aluminium foil of first aluminium foil area (5) outwards face tinned copper shielding layer (6), the signal line subassembly includes:

a set of fourth component assemblies, said fourth component assemblies comprising a power cord (41);

a group of second component assemblies (2) and four groups of first component assemblies (1), wherein a group of the second component assemblies (2) and four groups of the first component assemblies (1) are arranged around the periphery of the fourth component assembly, the second component assemblies (2) comprise two USB signal wires (21), and each group of the first component assemblies (1) comprises two high-speed signal wires (11) and one ground wire (12);

a set of third article subassembly (3), third article subassembly (3) include four detection signal lines (31), adjacent two sets of enclose first cavity (7) between the outer wall of first article subassembly (1) with the inner wall of first aluminium foil area (5), first cavity (7) are three, enclose second cavity (8) between the outer wall of second article subassembly (2) and adjacent the outer wall of first article subassembly (1) and the inner wall of first aluminium foil area (5), second cavity (8) are two, three first cavity (7) and two four in the five of second cavity (8) are provided with one respectively detection signal line (31).

2. The USB data line according to claim 1, characterized in that a glue is filled between the inner wall of the first aluminum foil strip (5) and the outer wall of the signal line assembly.

3. The USB data line according to claim 1, wherein the first component assembly (1) further includes a first copper foil tape (13) and a first heat-fusible mylar tape (14), two high-speed signal lines (11) in each group of the first component assembly (1) are twisted in pairs, the first copper foil tape (13) is wrapped around the outer circumferences of the two high-speed signal lines (11) and the ground wire (12), and the first heat-fusible mylar tape (14) is wrapped around the outer circumference of the first copper foil tape (13).

4. The USB data line according to claim 1, wherein the two USB signal lines (21) are twisted in a spiral pair, the second component assembly (2) further includes a second aluminum foil tape (22) and a second hot-melt mylar tape (23), the second aluminum foil tape (22) is wrapped around the outer circumferences of the two USB signal lines (21), and the second hot-melt mylar tape (23) is wrapped around the outer circumferences of the second aluminum foil tape (22).

5. The USB data line according to claim 1, wherein the outer periphery of each of the detection signal lines (31) is covered with a third aluminum foil tape (32).

6. The USB data line according to claim 1, characterized in that the outer periphery of the tinned copper shield layer (6) is covered with an outer cover (9), the outer cover (9) being made of TPE material.