CN217061479U

CN217061479U - Composite digital cable

Info

Publication number: CN217061479U
Application number: CN202220476401.4U
Authority: CN
Inventors: 李桂芳
Original assignee: Ningbo Lianda Electronic Equipment Co ltd
Current assignee: Ningbo Lianda Electronic Equipment Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-07-26
Anticipated expiration: 2032-03-04

Abstract

The utility model provides a composite digital cable, which comprises a power transmission cable component and a signal transmission cable component, wherein the power transmission cable component comprises an outer protective layer and two single wires arranged in the outer protective layer; wherein, the outer jacket is connected with the protective layer through the connecting sheath. The composite digital cable can realize signal transmission of a communication network, and particularly can meet the function of transmitting videos and voices by a network camera; the stability of the line can be ensured, and the load requirement can be met; the connecting sheath is adopted, so that the power transmission cable assembly and the signal transmission cable assembly are easily stripped, and the power transmission cable assembly and the power supply connector and the signal transmission cable assembly and the network connector are convenient to connect.

Description

Composite digital cable

Technical Field

The present disclosure relates to the field of cable technology, and more particularly, to a composite digital cable.

Background

With the rapid development of digital networks, the technology of digital cables is continuously advanced, and the digital cables are widely applied as the last hundred meters of ideal transmission media of network communication systems. With the continuous expansion of network communication and the requirement of use environment, new requirements are put forward on digital cables with common specifications.

Active Ethernet (POE for short) camera uses a very lot of camera among the network camera, because it will supply Power and data all integrated in the net twine, can not lay the Power cord alone during the wiring, and it is very convenient to lay the line. The standard network wire internally comprises 8 wires, and for a hundred million network, only four wires, namely 12 and 36 groups of wires are used for data transmission, and the rest four wires are in an idle state. POE therefore uses four additional spare wires as supply lines, 45 being the positive supply and 78 being the negative supply, as conventionally defined.

However, the gigabit network cannot use the method, needs two parallel wires as four wires for power supply, and is easy to break and contact badly. In addition, the network cable brands on the market are different, some manufacturers reduce the cost, the diameter of the network cable conductor cannot meet the standard requirement, and the phenomena of heating, fusing and the like caused by overload of a circuit can occur in the power supply process, so that the monitoring signal cannot be transmitted.

SUMMERY OF THE UTILITY MODEL

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

The composite digital cable comprises a power transmission cable assembly, wherein the power transmission cable assembly comprises an outer protective layer and two single wires arranged in the outer protective layer; and a signal transmission cable assembly comprising a protective layer and a plurality of sets of wire pairs disposed within the protective layer; wherein, the outer jacket is connected with the protective layer through a connecting sheath.

In an embodiment, the connection sheath includes a first sheath disposed around the outer sheath and a second sheath disposed around the protective layer, and the first sheath is connected to the second sheath.

In an embodiment, the first sheath and the second sheath have an overlap at the connection.

In an embodiment, the connecting sheath further includes a suspension portion, the first sheath and the second sheath are connected by the suspension portion, and a connecting line between a center of the first sheath and a center of the second sheath and a center line of the suspension portion are in the same straight line.

In one embodiment, the connection sheath includes a suspension wire portion, and the line contact between the outer sheath and the protection layer forms a line contact portion, and the suspension wire portion is wrapped outside the line contact portion.

In an embodiment, the connection sheath includes a suspension wire portion, a gap exists between the outer sheath and the protection layer, and the gap is filled by the suspension wire portion to connect the outer sheath and the protection layer.

In an embodiment, the power transmission cable assembly further includes a shielding layer covering the peripheries of the two single wires, and the shielding layer is attached to the inner side of the outer sheath.

In one embodiment, the signal transmission cable assembly includes at least one ripcord disposed inside the protective layer.

In one embodiment, the signal transmission cable assembly is centrally provided with a strength member, which is a high strength phosphated steel wire.

In an embodiment, a reinforcing member is disposed at the center of the signal transmission cable assembly, the reinforcing member is a cross frame, the cross frame forms four regions inside the signal transmission cable assembly, and the plurality of sets of line pairs are disposed in the four regions.

According to the video and voice transmission system, signal transmission of a communication network can be achieved through the signal transmission cable assembly, and particularly, the video and voice transmission function of a network camera can be met; through the power transmission cable assembly, the stability of a line can be ensured, and the load requirement can be met; therefore, the composite digital cable disclosed by the invention can meet the signal transmission requirement of a communication network and can also meet the power supply requirement. Furthermore, the outer protective layer of the power transmission cable assembly is connected with the protective layer of the signal transmission cable assembly through the connecting protective sleeve, so that the power transmission cable assembly and the signal transmission cable assembly are easily stripped, and the power transmission cable assembly and the power supply connector as well as the signal transmission cable assembly and the network connector are convenient to connect.

It should be understood that the statements in this section are not intended to identify key or critical features of the embodiments of the present disclosure, nor are they intended to 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 illustrates a cross-sectional schematic view of a composite digital cable according to an exemplary embodiment of the present disclosure;

FIG. 2 shows a cross-sectional schematic view of a composite digital cable (the connecting jacket includes a messenger section) according to one exemplary embodiment of the present disclosure;

FIG. 3 illustrates a cross-sectional schematic view of a composite digital cable according to one exemplary embodiment of the present disclosure (the connecting jacket includes only a messenger section);

fig. 4 shows a cross-sectional schematic view of a composite digital cable (the shield is annular) according to an exemplary embodiment of the present disclosure;

FIG. 5 illustrates a cross-sectional schematic view of a composite digital electrical cable (signal transmission cable assembly including strength members) according to one exemplary embodiment of the present disclosure;

fig. 6 shows a cross-sectional schematic view of a composite digital cable (the strength members are cross-members) according to an exemplary embodiment of the present disclosure.

The reference numbers in the figures illustrate: 1. a power transmission cable assembly; 2. a signal transmission cable assembly; 3. connecting a sheath; 11. an outer jacket; 12. a single wire; 13. a shielding layer; 21. a protective layer; 22. wire pair; 23. tearing the rope; 24. a reinforcing member; 31. a first sheath; 32. a second sheath; 33. a wire hanging part; 121. an insulating layer; 122. a copper wire; 221. a wire; 312. an overlapping portion.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more obvious and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure. 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 composite digital cable according to an exemplary embodiment of the present disclosure includes a power transmission cable assembly 1 and a signal transmission cable assembly 2, where the power transmission cable assembly 1 includes an outer sheath 11 and two element wires 12 disposed in the outer sheath 11, and each of the element wires 12 includes an insulating layer 121 and a plurality of copper wires 122 uniformly disposed in the insulating layer 121; the signal transmission cable assembly 2 includes a protective layer 21 and a plurality of sets of pairs 22 (in the illustrated embodiment of the present disclosure, the number of sets of the pairs 22 is four, for example) disposed in the protective layer 21, each set of pairs 22 includes a twisted pair formed by twisting two wires 221 and an outer shielding layer covering the outer periphery of the twisted pair, each wire 221 includes a copper wire 122 and an insulating layer 121 disposed on the copper wire 122. Wherein, the outer protective layer 11 is connected with the protective layer 21 through the connecting sheath 3.

In the present embodiment, the sheath layer and the protective layer 21 are made of the same material, and there are a plurality of materials that can be selected, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke zero halogen material, polyurethane and thermoplastic polyurethane, so as to protect the internal structures of the power transmission cable assembly 1 and the signal transmission cable assembly 2. The insulating layer 121 of the single wires 12 and the conducting wires 221 may be made of polyethylene or other materials that can produce insulating effect in actual production, and are not limited herein. The outer shielding layer coated on the periphery of the twisted pair can well resist external electromagnetic interference, can control electromagnetic wave radiation per se, and cannot interfere normal work of other surrounding equipment and networks.

It can be understood that the composite digital cable in the present disclosure can be specifically applied to a monitoring camera, and due to the signal transmission cable assembly 2, signal transmission of a communication network can be realized, and especially, the function of transmitting video and voice by a network camera can be satisfied; through the power transmission cable assembly 1, stable line contact can be ensured, and the load requirement can be met; the outer protective layer 11 of the power transmission cable assembly 1 and the protective layer 21 of the signal transmission cable assembly 2 are connected through the connecting sheath 3, so that the power transmission cable assembly 1 and the signal transmission cable assembly 2 are compounded together, power supply and data transmission can be realized, the peeling between the power transmission cable assembly 1 and the signal transmission cable assembly 2 is easy, and the power transmission cable assembly 1 and a power supply connector and the signal transmission cable assembly 2 and a network connector are convenient.

In an embodiment, the connection sheath 3 includes a first sheath 31 disposed around the outer sheath 11 of the power transmission cable assembly 1, and a second sheath 32 disposed around the outer sheath 21 of the signal transmission cable assembly 2, wherein the first sheath 31 is connected to the second sheath 32. Wherein the first sheath 31 and the second sheath 32 have an overlapping portion 312 at the connecting portion (as shown in fig. 1).

In the present embodiment, the first sheath 31 and the second sheath 32 are made of the same material, and there are a plurality of materials that can be selected, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke and zero halogen material, polyurethane, and thermoplastic polyurethane. The first sheath 31 and the second sheath 32 are integrally formed, and in the production process, the sheath machine is extruded and formed by a die with the same shape as the first sheath 31 and the second sheath 32, so that the operation steps are reduced, and the production efficiency is greatly improved. Set up and connect 3 windproof, rain-proof and the ageing resistance that have increased compound digital cable of sheath, not only can prolong the life of product, can also guarantee compound digital cable's result of use and the stability of structure, effectively solved the unable problem of using outdoor at ordinary net twine.

Referring to fig. 2, in an embodiment, the connecting sheath 3 includes a first sheath 31 disposed on the outer periphery of the outer sheath 11 of the power transmission cable assembly 1, a second sheath 32 disposed on the outer periphery of the protective layer 21 of the signal transmission cable assembly 2, and a hanging portion 33, wherein the first sheath 31 and the second sheath 32 are connected by the hanging portion 33, and a connecting line between the center of the first sheath 31 and the center of the second sheath 32 is aligned with a center line of the hanging portion 33.

In the present embodiment, the first sheath 31, the second sheath 32 and the hanging wire portion 33 are made of the same material, and there are a plurality of materials that can be selected, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke and zero halogen material, polyurethane and thermoplastic polyurethane. Wherein the suspension wire portion 33 can be connected between the first sheath 31 and the second sheath 32 by glue, that is, the suspension wire portion 33 is connected on the first sheath 31 and the second sheath 32 by adhesive bonding (not shown in the figure); alternatively, it is preferable that the first sheath 31, the second sheath 32, and the hanging wire portion 33 are integrally molded. In the production process, the sheath machine is extruded and molded by a mold with the same shape as the first sheath 31, the second sheath 32 and the hanging wire part 33, so that the operation steps are reduced, the production efficiency is greatly improved, and the structure is stable. The arrangement of the connecting sheath 3 increases the wind-proof, rain-proof and ageing-resistant performances of the composite digital cable, so that the service life of the composite digital cable can be prolonged, the using effect of the composite digital cable and the stability of the structure can be ensured, and the problem that the common network cable cannot be applied outdoors is effectively solved. The connection sheath 3 is provided with the hanging part 33, which increases the distance between the power transmission cable assembly 1 and the signal transmission cable assembly 2, allows easy peeling therebetween, and facilitates the connection of the power transmission cable assembly 1 to a power supply terminal and the connection of the signal transmission cable assembly 2 to a network.

In an embodiment, the connection sheath 3 includes a hanging portion 33, a line contact portion is formed by line contact between the outer sheath 11 of the power transmission cable assembly 1 and the protective layer 21 of the signal transmission cable assembly 2, and the hanging portion 33 is covered outside the line contact portion. It will be appreciated that there may also be a gap between the outer jacket 11 of the power transmission cable assembly 1 and the protective layer 21 of the signal transmission cable assembly 2, and the gap is filled by the messenger 33 to connect the outer jacket 11 with the protective layer 21.

Referring to fig. 3, preferably, the suspension wire portion 33, the outer sheath 11 and the protective layer 21 are made of the same material, and a plurality of materials may be selected, including but not limited to at least one of polyvinyl chloride, polyethylene, glass fiber reinforced plastic material, low smoke zero halogen material, polyurethane and thermoplastic polyurethane, and the suspension wire portion 33, the outer sheath 11 and the protective layer 21 are integrally formed. The composite digital cable is made of the same materials, so that the composite digital cable is uniform and stable in structure, the integral forming mode is adopted, and in the production process, the sheath machine is extruded and formed by the die which is the same as the suspension wire part 33, the outer protection layer 11 and the protection layer 21 in appearance, so that the operation steps are reduced, the production efficiency is greatly improved, and the stable structure can be ensured. In an embodiment not shown, the suspension wire portion 33, the outer sheath 11 and the protective layer 21 may be made of different materials according to specific application scenarios, and the suspension wire portion 33 may be further connected between the outer sheath 11 and the protective layer 21 by gluing, that is, the suspension wire portion 33 is connected to the outer sheath 11 and the protective layer 21 by gluing.

In addition to any of the above embodiments, the power transmission cable assembly 1 may further include a shield layer 13 covering the peripheries of the two single wires 12, and the shield layer 13 may be attached to the inner side of the outer sheath 11. Due to the arrangement of the shielding layer 13, weak current signals can be better prevented from being interfered, electromagnetic wave radiation of the shielding layer can be controlled, and normal work of other surrounding equipment and networks cannot be interfered. It is understood that, in the cross section of the power transmission cable assembly 1, the shielding layer 13 may be a circular ring circumscribing the two single wires 12, or may be a ring wrapping the two single wires 12 (as shown in fig. 4), and the outer protection layer 11 is tightly attached to the outer side of the shielding layer 13; alternatively, in the case where the shield layer 13 is not provided, the outer sheath 11 may be a ring circumscribing the two element wires 12, or may be a ring covering the two element wires 12.

In one embodiment, the signal transmission cable assembly 2 includes at least one ripcord 23, and the ripcord 23 is disposed inside the protective layer 21.

In this embodiment, tear rope 23 and have the composition of fire prevention flameresistant material, set up and tear rope 23 and not only can increase the tensile strength of signal transmission cable assembly 2 to increase the holistic tensile strength of compound digital cable, and can absorb the heat that gives off at compound digital cable in the use, can also make things convenient for the constructor to peel off protective layer 21 when the construction. The tearing rope 23 is arranged on the inner side of the protective layer 21 and is not exposed, so that the protective layer 21 is prevented from being torn by misoperation when the tearing rope 23 is not needed to be used. In the case of a construction requiring the protective layer 21 to be peeled, the protective layer 21 is first cut to expose the tear string 23, and then the tear string 23 is pulled to peel the protective layer 21.

Referring to fig. 5, in one embodiment, a strength member 24 is disposed in the center of the signal transmission cable assembly 2. The reinforcing member 24 may specifically be made of a metal material, such as high-strength phosphated steel wire, other non-hydrogen-evolving materials, or the like; or with non-metallic materials such as fibre reinforced composites.

In addition, referring to fig. 6, the reinforcing member 24 may be a cross-shaped frame, which forms four regions inside the signal transmission cable assembly 2, and the plurality of pairs 22 are separately disposed in the four regions, so that the composite digital cable may be applied not only to a hundred mega network but also to a giga network. The cross-shaped framework is made of a plurality of materials which can be selected and selected, and the cross-shaped framework is made of at least one material of polyvinyl chloride, polyethylene, glass fiber reinforced plastic materials, low-smoke halogen-free materials, polyurethane and thermoplastic polyurethane. The strength member 24 is provided to support the internal structure of the signal transmission cable assembly 2, ensuring overall structural stability.

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 of the respective components as they relate to their own contours.

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 drawings is turned over in its entirety, the articles "over" or "on" other elements or features will include the articles "under" or "beneath" the 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 embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the present disclosure to the scope of 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

1. A composite digital cable, comprising:

a power transmission cable assembly (1), the power transmission cable assembly (1) comprising an outer jacket (11) and two single wires (12) disposed within the outer jacket (11); and

a signal transmission cable assembly (2), the signal transmission cable assembly (2) comprising a protective layer (21) and a plurality of sets of wire pairs (22) disposed within the protective layer (21);

wherein the outer protective layer (11) is connected with the protective layer (21) through a connecting sheath (3).

2. The composite digital cable according to claim 1, wherein the connecting sheath (3) comprises a first sheath (31) disposed around the outer sheath (11) and a second sheath (32) disposed around the protective layer (21), the first sheath (31) and the second sheath (32) being connected.

3. The composite digital cable according to claim 2, characterized in that the first sheath (31) and the second sheath (32) have an overlap (312) at the connection.

4. The composite digital cable according to claim 2, wherein the connecting sheath (3) further comprises a hanging wire portion (33), the first sheath (31) and the second sheath (32) are connected through the hanging wire portion (33), and a line connecting the center of the first sheath (31) and the center of the second sheath (32) is in the same line with the center line of the hanging wire portion (33).

5. The composite digital cable according to claim 1, wherein the connection jacket (3) comprises a hanging portion (33), a line contact portion is formed by line contact between the outer sheath (11) and the protective layer (21), and the hanging portion (33) is coated outside the line contact portion.

6. The composite digital cable according to claim 1, wherein the connection sheath (3) comprises a hanging portion (33), a gap exists between the outer sheath (11) and the protective layer (21), and the gap is filled by the hanging portion (33) to connect the outer sheath (11) and the protective layer (21).

7. The composite digital cable according to claim 1, wherein the power transmission cable assembly (1) further comprises a shielding layer (13) covering the peripheries of the two single wires (12), and the shielding layer (13) is attached to the inner side of the outer sheath (11).

8. Composite digital cable according to claim 1, characterized in that said signal transmission cable assembly (2) comprises at least one ripcord (23), said ripcord (23) being arranged inside said protective layer (21).

9. The composite digital cable according to claim 1, wherein the signal transmission cable assembly (2) is centrally provided with a strength member (24), the strength member (24) being a high strength phosphated steel wire.

10. The composite digital cable according to claim 1, wherein the signal transmission cable assembly (2) is centrally provided with a strength member (24), the strength member (24) being a cross-shaped backbone forming four regions within the signal transmission cable assembly (2), the sets of wire pairs (22) being arranged in four of the regions.