CN217239136U - Digital communication cable - Google Patents

Abstract

The utility model provides a digital communication cable, which comprises a plurality of signal transmission components, wherein the signal transmission components are in a word parallel connection, each signal transmission component comprises two groups of line pairs which are arranged side by side, and the two groups of line pairs of each signal transmission component are contacted to form a line pair group; each group of wire pairs comprises a twisted pair formed by twisting two single wires. The digital communication cable of the present disclosure can satisfy the requirements of digital signal transmission; the distance between the line pairs is increased, so that the interference between the line pairs and the mutual interference between the line pairs and external signals can be effectively prevented; the wiring structure is more convenient in wiring, a wiring groove is not required to be arranged, the structure of various application scenes can be attached, the process is simpler in production, and the production efficiency can be greatly improved.

Description

Digital communication cable

Technical Field

The present disclosure relates to the field of cable technologies, and in particular, to a digital communication cable.

Background

With the rapid development of social economy and scientific technology, the communication industry in China is rapidly developed, the manufacturing technology of the cable industry is mature day by day and the competition is very strong, and cable manufacturers pay more and more attention to the requirements of customers and are dedicated to manufacturing various products meeting the requirements of the customers.

The digital communication cable is commonly called a network cable and is mainly used for connecting a computer with the computer and connecting the computer with other network equipment. At present, the wiring construction generally adopts a twisted pair type, the product requirement meets the specified standard of YD/T1019-2013 polyolefin insulation horizontal twisted pair cable for digital communication, the conventional network cable generally adopts 4 groups of line pairs, the cross section of the network cable is circular, the conventional network cable can be divided into 5e type network cables and 6 type network cables according to the transmission frequency, and the network cable line pair chromatograms are sequentially arranged in the clockwise direction according to white (blue) blue, white (orange) orange, white (green) green and white (brown) brown.

In the using process, for a hundred million network, China adopts a 568B wiring method, wherein the wiring method comprises connecting a core wire with a number 1 in an orange-white mode, connecting a core wire with a number 2 in an orange-white mode, connecting a core wire with a number 3 in a green-white mode, connecting a core wire with a number 4 in a blue-white mode, connecting a core wire with a number 5 in a blue-white mode, connecting a core wire with a number 6 in a green-white mode, connecting a core wire with a number 7 in a brown-white mode and connecting a core wire with a number 8 in a brown-white mode. For a hundred million network, the network wire only uses the core wires with numbers 1, 2, 3 and 6 to transmit data, namely the core wires with numbers 1 and 2 are used for transmitting data, and the core wires with numbers 3 and 6 are used for receiving data; the core wires numbered 4, 5, 7 and 8 are bidirectional wires, either for standby or other use. Such use is still controversial and often results in interference between the wire pairs.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides a digital communication cable to at least solve the above technical problems occurring in the prior art.

The digital communication cable comprises a plurality of signal transmission assemblies, wherein the signal transmission assemblies are connected in parallel in a straight line, each signal transmission assembly comprises two groups of line pairs arranged side by side, and the two groups of line pairs of each signal transmission assembly are in contact to form a line pair group; wherein each group of the wire pairs comprises a twisted pair formed by twisting two single wires.

In one embodiment, a plurality of the line-pair groups satisfy a parallel condition therebetween.

In one embodiment, the geometric center of each set of the wire pairs is defined as a twisting point, a line segment between the twisting points of the two sets of the wire pairs of each signal transmission assembly is defined as a twisted wire, and the distances between two adjacent twisted wires are equal on the cross section of the digital communication cable.

In one embodiment, the signal transmission assembly includes an outer sheath covering the outer periphery of the pair of wires.

In one embodiment, the outer sheaths of two adjacent signal transmission assemblies are connected by glue to form a line contact connection portion.

In an embodiment, a suspension wire is further included between two adjacent signal transmission assemblies, and the wire contact connection part is wrapped in the suspension wire.

In an embodiment, two adjacent signal transmission assemblies are connected by a suspension wire, and a gap exists between the outer sheaths of two adjacent signal transmission assemblies, and the gap is filled by the suspension wire, so that two adjacent outer sheaths form a connection.

In one embodiment, the suspension wire is connected to the outer sheath.

In one embodiment, the suspension wire and the outer sheath are integrally formed.

In one embodiment, the digital communication cable includes at least one ripcord disposed inside the outer jacket.

In the disclosure, the digital communication cable has a plurality of signal transmission components, which can meet the requirements of digital signal transmission; because each signal transmission assembly comprises a line pair group formed by two groups of line pairs arranged side by side, the line pairs are separated, the distance between the line pairs is increased, and the interference between the line pairs and the mutual interference between the line pairs and external signals can be effectively prevented; in addition, because a plurality of signal transmission subassemblies are a word parallel connection, it is more convenient when the wiring, need not to set up the trough, can laminate the structure of various application scenes, and the process is simpler when production, can improve production efficiency greatly.

It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present disclosure, nor do they limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 shows a cross-sectional schematic view of an exemplary embodiment of a digital communications cable of the present disclosure;

fig. 2 shows a schematic cross-sectional view of a digital communication cable according to an exemplary embodiment of the present disclosure (twisted pair satisfies the parallel condition);

fig. 3 shows a schematic cross-sectional view of a digital communication cable (twisted pairs are angled) according to an exemplary embodiment of the present disclosure;

FIG. 4 illustrates a cross-sectional schematic view of a digital communication cable (the pair group satisfies the vertical condition) according to an exemplary embodiment of the present disclosure;

fig. 5 shows a schematic cross-sectional view of a digital communication cable (line pair groups are inclined at an angle) according to an exemplary embodiment of the present disclosure;

fig. 6 shows a cross-sectional schematic view of a digital communication cable according to an exemplary embodiment of the present disclosure (the messenger is integrally formed with the outer jacket);

fig. 7 shows a cross-sectional schematic view of a digital communication cable according to an exemplary embodiment of the present disclosure (with a gap between the outer jackets);

fig. 8 shows a cross-sectional schematic view of a digital communication cable (with rip cord) according to one exemplary embodiment of the present disclosure.

The reference numbers in the figures illustrate: 1. a signal transmission component; 2. hanging wires; 3. tearing the rope; 11. wire pair; 12. an outer jacket; 13. a line contact connection portion; 111. a copper wire; 112. an insulating layer; 113. a hinge point; 114. and a shielding layer.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more apparent and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

Embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a digital communication cable according to an exemplary embodiment of the present disclosure includes a plurality of signal transmission assemblies 1, the signal transmission assemblies 1 are connected in parallel, each signal transmission assembly 1 includes two sets of line pairs 11 arranged side by side, and the two sets of line pairs 11 of each signal transmission assembly 1 are in contact to form a line pair group. Taking the number of the signal transmission components 1 as two groups as an example, each signal transmission component 1 includes two sets of the line pairs 11, and therefore, when the number of the signal transmission components 1 is two groups, the digital communication cable includes four sets of the line pairs 11 in total, and two sets of the line pairs. Each group of the wire pairs 11 includes a twisted pair formed by twisting two single wires.

In the present embodiment, the digital communication cable has a plurality of signal transmission assemblies 1, wherein the requirement of digital signal transmission can be satisfied by using a twisted pair formed by twisting two single wires; because each signal transmission assembly 1 comprises a pair group formed by two groups of pairs 11 arranged side by side, the pairs 11 are separated, the distance between the pairs 11 is increased, and the interference between the pairs 11 and the mutual interference between the pairs 11 and external signals can be effectively prevented; in addition, because a plurality of signal transmission subassembly 1 are a word parallel connection, it is more convenient when the wiring, need not to set up the trough, can laminate the structure of various application scenes, and the process is simpler when producing, can improve production efficiency greatly. Specifically, the single wire includes a copper wire 111 and an insulating layer 112 covering the copper wire 111, and the material used for the insulating layer 112 may be polyethylene or other materials that can produce an insulating effect in actual production, and is not limited herein. Pair 11 also includes a shield 114 that surrounds the outer circumference of the twisted pair. The shielding layer 114 can well resist external electromagnetic interference, and can control the electromagnetic wave radiation of itself, so that the normal operation of other surrounding devices and networks is not interfered, and the signal interference is reduced to the minimum.

According to the four sets of wire pairs 11 shown in the figure, the wire sequence is white (orange) orange, white (green) green, white (blue) blue and white (brown) brown according to the standard 368B from the upper left, the lower left and the upper right to the lower right, but the total number of the wire pairs 11 is not limited to four sets as long as the specified standard of YD/T1019-2013 polyolefin insulation level twisted pair cable for digital communication is satisfied, and the number of the signal transmission components 1 is increased correspondingly.

In one embodiment, the parallel condition is satisfied between the pairs of sets. Specifically, the geometric center of each group of the wire pairs 11 is defined as a twisting point 113, and a line segment between the twisting points 113 of the two groups of the wire pairs 11 of each signal transmission assembly 1 is defined as a twisted wire (not shown in the figure), and the distances between two adjacent twisted wires are equal on the cross section of the digital communication cable.

In this embodiment, the twisted pairs of the two sets of pairs 11 in each pair group may satisfy a vertical condition, as shown in fig. 2, may also satisfy a parallel condition, or may be inclined at a certain angle, the twisted pairs in the two pairs groups of two signal transmission assemblies 1 shown in fig. 3 may satisfy any combination of position conditions, and as shown in fig. 4, the pair groups may also satisfy a vertical condition, or as shown in fig. 5, the pair groups may be inclined at a certain angle. However, a mode that the line pair groups meet the parallel condition is preferred, and the mode can maximize the interval between the line pair groups and minimize the signal interference, so that the performance and the structure of the digital communication cable can be more stable.

In one embodiment, the signal transmission assembly 1 includes an outer sheath 12, and the outer sheath 12 covers the outer periphery of the wire pair. The outer sheaths 12 have various connection modes, and the outer sheaths 12 of two adjacent signal transmission assemblies 1 can be connected by glue to form a line contact connecting part 13.

In this embodiment, the outer sheath 12 may be made of any of a variety of materials, including but not limited to polyvinyl chloride, polyethylene, glass fiber reinforced plastic, low smoke zero halogen, polyurethane, and thermoplastic polyurethane, to protect the internal structure of the digital communication cable. When the digital communication cable is applied to indoor environment, the low-smoke halogen-free flame-retardant polyolefin sheath material is preferably adopted, so that the flame-retardant effect is ensured. The two outer sheaths 12 are adhesively connected, i.e. the two outer sheaths 12 are adhesively connected by an adhesive. Preferably, the two outer sheaths 12 are integrally formed, in the production process, a die with the same shape as the two outer sheaths 12 is used for extrusion forming on a sheath machine, the structural size of the die sleeve is used for ensuring the tearing separation degree between the two outer sheaths 12, the operation steps are reduced, the production efficiency is greatly improved, and the structure is stable. The line contact connecting portion 13 between the outer sheaths 12 of the two signal transmission members 1 can also be separated by tearing by hand. In addition, one of the two groups of signal transmission assemblies 1 can be used as a spare part of the other group, or one of the two groups of signal transmission assemblies 1 can be used for monitoring a power supply and other signal transmission, or the two groups of signal transmission assemblies 1 can be torn apart to be used independently, so that the use application of the product is expanded.

Further, referring to fig. 6, in an embodiment, a suspension wire 2 is further included between two adjacent sets of signal transmission assemblies 1, and the wire contact connection portion 13 is wrapped in the suspension wire 2.

In the present embodiment, the suspension wire 2 can be made of any of a variety of materials, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic, low smoke zero halogen, polyurethane, and thermoplastic polyurethane. The suspension wires 2 are glued to the outer sheaths 12, that is, the suspension wires 2 are adhesively connected between the outer sheaths 12 of two adjacent signal transmission assemblies 1 by an adhesive. Preferably, the suspension wire 2 and the outer sheath 12 are integrally formed, the suspension wire 2 and the outer sheath 12 are made of the same material, and a die with the same shape as the outer sheath 12 and the suspension wire 2 is extruded and formed on a sheath machine in the production process, so that the operation steps are reduced, the production efficiency is greatly improved, and the structure is stable. The wire contact connecting part 13 is covered by the suspension wire 2, so that the phenomena that the two signal transmission components 1 are easy to tear and the whole structure is easy to break are prevented.

It can be understood that, referring to fig. 7, in an alternative embodiment, two adjacent signal transmission assemblies 1 are connected by a suspension wire 2, and a gap exists between the outer sheaths 12 of two adjacent signal transmission assemblies 1, and the gap is filled by the suspension wire 2, so that two adjacent outer sheaths 12 form a connection.

In the present embodiment, the suspension wire 2 can be made of any of a variety of materials, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic, low smoke zero halogen, polyurethane, and thermoplastic polyurethane. The suspension wires 2 are glued to the outer sheaths 12, that is, the suspension wires 2 are adhesively connected between the outer sheaths 12 of two adjacent signal transmission assemblies 1 by an adhesive. Preferably, the suspension wire 2 and the outer sheath 12 are integrally formed, the suspension wire 2 and the outer sheath 12 are made of the same material, and a die with the same shape as the outer sheath 12 and the suspension wire 2 is extruded and formed on a sheath machine in the production process, so that the operation steps are reduced, the production efficiency is greatly improved, and the structure is stable.

Referring to fig. 8, in an embodiment, the digital communication cable further comprises at least one ripcord 3, and the ripcord 3 is disposed inside the outer sheath 12.

In this embodiment, the tearing rope 3 has the components of the fireproof and flame-retardant material, and the tensile strength of the digital communication cable can be increased by the tearing rope 3, the heat emitted by the digital communication cable in the using process can be absorbed, and the outer protective layer 12 can be conveniently stripped by a constructor during construction, so that the two signal transmission assemblies 1 are separated. The tearing rope 3 is arranged on the inner side of the outer protective layer 12 and is not exposed, so that the outer protective layer 12 is prevented from being torn open by misoperation when the tearing rope 3 is not needed to be used. In a construction occasion where the outer sheath 12 needs to be peeled off, the outer sheath 12 is firstly cut off to expose the tear cord 3, and then the tear cord 3 is pulled to peel off the outer sheath 12.

In the present disclosure, the outer sheath 12 is disposed on the periphery of each pair of wires, so that each pair of wires is separated by the outer sheath 12, and compared with the prior art in which the shielding layer 114 is directly contacted between adjacent pairs 11, the distance between the pairs 11 is further increased, which not only reduces the signal interference between the pairs 11, but also solves the problem that the wires cannot be straightened due to spiral bending caused by mutual winding of the pairs 11.

In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the orientation terms is generally based on the orientation or positional relationship shown in the drawings, and is for convenience only to facilitate the description of the present disclosure and to simplify the description, and in the case of not having been stated to the contrary, these orientation terms are not intended to indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be taken as limiting the scope of the present disclosure; the terms "inner" and "outer" refer to the interior and exterior relative to the contours of the components themselves.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one or more components or features shown in the figures to other components or features. It is to be understood that the spatially relative terms are intended to encompass not only the orientation of the component as depicted in the figures, but also different orientations of the component in use or operation. For example, if an element in the figures is turned over in its entirety, elements "above" or "over" other elements or features would include elements "below" or "beneath" other elements or features. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". Further, these components or features may also be oriented at 0 at various other angles (e.g., rotated 90 degrees or at other angles), all of which are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

The present disclosure has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the present disclosure to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that many variations and modifications may be made in light of the teaching of the present disclosure, all of which fall within the scope of the claimed disclosure. The scope of the disclosure is defined by the appended claims and equivalents thereof.

Claims (10)

1. A digital communication cable comprises a plurality of signal transmission assemblies (1), wherein the signal transmission assemblies (1) are in-line parallel connection, and is characterized in that each signal transmission assembly (1) comprises two groups of line pairs (11) which are arranged side by side, and the two groups of line pairs (11) of each signal transmission assembly (1) are in contact with each other to form a line pair group; wherein the content of the first and second substances,

each set of the wire pairs (11) comprises a twisted pair formed by twisting two single wires.

2. The digital communication cable of claim 1, wherein a parallelism condition is satisfied between a plurality of the pairs of lines.

3. The digital communication cable according to claim 2, wherein the geometric center of each set of said wire pairs (11) is defined as a twisting point (113), and a line segment between said twisting points (113) of two sets of said wire pairs (11) of each signal transmission assembly (1) is a twisted wire, and a distance between two adjacent twisted wires is equal in a cross section of the digital communication cable.

4. The digital communication cable according to claim 1, characterized in that the signal transmission assembly (1) comprises an outer sheath (12), the outer sheath (12) being wrapped around the pair of wires.

5. The digital communication cable according to claim 4, wherein the glue connection between the outer sheaths (12) of two adjacent signal transmission assemblies (1) forms a line contact connection portion (13).

6. The digital communication cable according to claim 5, wherein a suspension wire (2) is further included between two adjacent signal transmission assemblies (1), and the wire contact connection portion (13) is wrapped in the suspension wire (2).

7. The digital communication cable according to claim 4, wherein two adjacent signal transmission assemblies (1) are connected by a suspension wire (2), and a gap exists between the outer sheaths (12) of two adjacent signal transmission assemblies (1), and the gap is filled by the suspension wire (2) so that two adjacent outer sheaths (12) form a connection.

8. The digital communication cable according to claim 7, wherein the suspension wire (2) is glued to the outer sheath (12).

9. The digital communication cable according to claim 7, wherein the suspension wire (2) is integrally formed with the outer sheath (12).

10. The digital communication cable according to any of claims 4-9, comprising at least one ripcord (3), the ripcord (3) being arranged inside the outer sheath (12).

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