CN217444142U - Double-branch cable - Google Patents

Abstract

The application discloses two cables relates to electric wire cable technical field, includes: a first cable, the first cable comprising: a first sheath; a shield layer disposed inside the first sheath; a first insulating layer disposed inside the first sheath layer; a first cable core disposed inside the first insulating layer; a second cable, the second cable being a non-shielded cable, the second cable comprising a second jacket; one side of the connecting part is connected with the first sheath, and the other side of the connecting part is connected with the second sheath. Wherein first cable is the shielding cable, and the second cable is non-shielding cable, and this application embodiment is through setting up connecting portion connection second cable on the basis of first cable, will shield cable and non-shielding cable complex together, has small, advantage that transmission performance is good, can be suitable for shielding and non-shielding occasion.

Description

Double-branch cable

Technical Field

The application relates to the technical field of electric wires and cables, in particular to a double-branch cable.

Background

In the prior art, CAT.6A-type unshielded cables and shielded cables are generally mutually independent cables, cables with different shielding requirements need to be selected in different occasions, construction and installation are needed to be carried out during wiring respectively, channels are occupied repeatedly, and the accumulated engineering quantity is large. In addition, if the number of cables is large and the cables are staggered, the wiring environment is complicated and irregular, and a large installation space is occupied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two cable, compound non-shielding cable on the basis of shielding cable, solve the problem that the wiring engineering volume is big, the wiring environment is complicated.

In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions: a duplex cable, comprising: a first cable, the first cable being a shielded cable, the first cable comprising: a first sheath; the shielding layer is arranged on the inner side of the first sheath; the first insulating layer is arranged on the inner side of the first sheath layer; the first cable core is arranged on the inner side of the first insulating layer; a second cable, the second cable being an unshielded cable, the second cable comprising: a second sheath; the second cable core is arranged on the inner side of the second sheath; one side of the connecting part is connected with the first sheath, and the other side of the connecting part is connected with the second sheath; the first cable core of the first cable is provided with a first cable-forming lay length, the second cable core of the second cable is provided with a second cable-forming lay length, and the first cable-forming lay length is the same as the second cable-forming lay length.

In above-mentioned technical scheme, first cable is the shielding cable, and the second cable is non-shielding cable, and this application embodiment is connected the second cable through setting up connecting portion on the basis of first cable, with shielding cable and non-shielding cable complex together, has solved the problem that wiring engineering volume is big among the prior art, wiring environment is complicated, has small, advantage that transmission performance is good, can be suitable for shielding and non-shielding occasion. In addition, in the installation, the technical staff can cut apart first cable and second cable in connecting portion department, is connected to the interface that first cable and second cable correspond separately again, can not destroy the protective structure in first cable and the second cable outside, and the installation is simple and convenient.

Further, according to the embodiment of the application, the connecting portion, the first sheath and the second sheath are integrally formed by using a plastic material.

Further, according to the embodiment of the present application, wherein the shielding layer is made of a metal foil.

Further, according to the embodiment of the present application, wherein the first insulating layer is made of a PET film.

Further, according to this application embodiment, wherein, first cable core includes: the first framework is cross-shaped, and four ends of the first framework are attached to the first insulating layer to form four accommodating cavities; the first twisted pair, the first twisted pair is four groups, and the first twisted pair sets up in holding the intracavity.

Further in accordance with an embodiment of the present application, wherein the first twisted pair comprises: a conductor: and a second insulating layer disposed at an outer periphery of the conductor.

Further, according to the embodiment of the present application, wherein the first skeleton is made of PE material.

Further, according to the embodiment of the application, a drainage line is arranged between the shielding layer and the first insulating layer.

Further, according to this application embodiment, wherein, the second cable core includes: the four ends of the second framework are attached to the second sheath to form four containing cavities; the second twisted pair, the second twisted pair is four groups, and the second twisted pair sets up in holding the intracavity.

Further in accordance with an embodiment of the present application, wherein the second twisted pair comprises: a conductor: and a fourth insulating layer disposed at an outer periphery of the conductor.

Compared with the prior art, the method has the following beneficial effects: this application connects the second cable through setting up connecting portion on the basis of first cable, will shield cable and non-shielding cable complex together, has solved the problem that wiring engineering volume is big among the prior art, wiring environment is complicated. In addition, in the installation, the technical staff can cut apart first cable and second cable in connecting portion department, is connected to the interface that first cable and second cable correspond separately again, can not destroy the protective structure in first cable and the second cable outside, and the installation is simple and convenient.

Drawings

The present application is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a two-branch cable according to the present application.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the attached drawings

10. First cable 101, first sheath 102, shielding layer

103. A first insulating layer 104, a first frame 105, a first twisted pair

106. First conductor 107, second insulating layer 108, drain wire

20. A second cable 201, a second sheath 202, a third insulation layer

203. A second twisted pair 204, a fourth insulating layer 205, a second conductor

206. Second skeleton

30. Connecting part

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

[ EXAMPLES one ]

The present application shows a specific structure of a double branch cable by using fig. 1 and 2. As shown in fig. 1-2, a dual branch cable according to the present application includes a second cable 20 of a first cable 10, wherein the first cable 10 is a shielded cable and the second cable 20 is an unshielded cable. A connection portion 30 is disposed between the first cable 10 and the second cable 20, and one side of the connection portion 30 is fixedly connected to the first cable 10 and the other side is fixedly connected to the second cable 20.

In the above technical scheme, the non-shielding cable (the second cable 20) is connected through setting up connecting portion 30 on the basis of shielding cable (the first cable 10) in this application, with shielding cable and non-shielding cable complex together, has solved the problem that the wiring engineering volume is big among the prior art, the wiring environment is complicated. In addition, during the installation process, a technician can separate the first cable 10 and the second cable 20 at the connecting portion 30 and then connect the first cable 10 and the second cable 20 to the respective interfaces without damaging the protective structures outside the first cable 10 and the second cable 20.

Specifically, the connection part 30 is a long strip-shaped film, is disposed at a side of the first cable 10, has a width of 1-5mm and a thickness of 0.1-1mm, and enables a technician to easily cut the connection part 30 to partially separate the first cable 10 from the second cable 20.

[ example two ]

As shown in fig. 1, on the basis of the technical solution of the first embodiment, the first cable 10 sequentially includes a first sheath 101, a shielding layer 102, and a first insulating layer 103 from outside to inside, the first sheath 101, the shielding layer 102, and the first insulating layer 103 surround a circular space layer by layer, and a first cable core is disposed in the circular space. The first cable core comprises a first framework 104 and four groups of first twisted pairs 105, the first framework 104 is in a cross shape, four ends of the first framework are attached to the inner side of the first insulating layer 103, the circular space is divided into four containing cavities, and the four groups of first twisted pairs 105 are arranged in the four containing cavities respectively. The first twisted pair 105 is formed by twisting two first conductors 106, and a second insulating layer 107 is wrapped around the first conductors 106. The first framework 104 and the second insulating layer 107 are made of high-density PE material in this embodiment, and the PE material has a lower dielectric constant, so as to prevent the first conductors 106 and the first twisted pairs 105 from interfering with each other; the first conductor 106 is made of 99.95% oxygen-free copper and has high conductivity.

In the above technical solution, the shielding layer 102 is made of metal foil, preferably aluminum foil, and a layer of insulating material, preferably PET, is compounded on the outer side of the metal foil. Inside the shielding layer 105, a drain wire 108 is disposed, that is, the drain wire 108 is disposed between the shielding layer 102 and the first insulating layer 103, and in use, the drain wire 108 is grounded to drain the current generated on the surface of the shielding layer 106 out of the cable.

In the above technical scheme, the first insulating layer 103 is made of a PET film, and is spirally wrapped outside the first cable core for preventing the second insulating layer from being damaged, and limiting the first cable core to keep the first cable core in a regular round shape.

[ EXAMPLE III ]

As shown in fig. 1, on the basis of the technical solution described in the first embodiment, the second cable 20 sequentially includes a second sheath 201 and a third insulating layer 202 from outside to inside, the second sheath 201 and the third insulating layer 202 also surround a first circular space, and a second cable core is disposed in the circular space. The second cable core comprises a second framework 206 and four groups of second twisted pairs 203, the second framework 206 is in a cross shape, four end portions of the second framework are attached to the inner side of the third insulating layer 202, the circular space is divided into four accommodating cavities, and the four groups of second twisted pairs 203 are arranged in the four accommodating cavities respectively. The second twisted pair 203 is formed by helically twisting two second conductors 205. The second conductor 205 is surrounded by a fourth insulating layer 204. The second framework 206 and the fourth insulating layer 204 are made of a high-density PE material in this embodiment, and the PE material has a low dielectric constant, so that the second conductors 205 and the second twisted pairs 203 can be prevented from interfering with each other; the first conductor 106 is made of 99.95% oxygen-free copper and has high conductivity.

In the above technical solution, the connection portion 30, the first sheath 101 and the second sheath 102 are integrally formed by plastic, so that the connection portion 30 is connected to the first sheath 101 and the second sheath 102 respectively. The first sheath 101 and the second sheath 102 have a function of protecting the cable.

[ EXAMPLE IV ]

With reference to the first to third embodiments, in the dual branch cable described in this application, the first core of the first cable 10 has a first cable lay length, the second core of the second cable 20 has a second cable lay length, and the first cable lay length is the same as the second cable lay length, so that crosstalk between the first cable 10 and the second cable 20 is reduced.

Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.

Claims (9)

1. A duplex cable, comprising:

a first cable that is a shielded cable, the first cable comprising:

a first sheath;

a shield layer disposed inside the first jacket;

a first insulating layer disposed inside the first jacket layer;

the first cable core is arranged on the inner side of the first insulating layer;

a second cable that is a non-shielded cable, the second cable comprising:

a second sheath;

the second cable core is arranged on the inner side of the second sheath;

one side of the connecting part is connected with the first sheath, and the other side of the connecting part is connected with the second sheath;

the first cable core of the first cable is provided with a first cable lay, the second cable core of the second cable is provided with a second cable lay, and the first cable lay is the same as the second cable lay;

the second cable core comprises:

the four ends of the second framework are attached to the second sheath to form four containing cavities;

a second pair of twisted wires, the second pair of twisted wires being in four groups, the second pair of twisted wires being disposed within the receiving cavity;

and a third insulating layer is arranged between the second cable core and the second sheath.

2. A twin branch cable as defined in claim 1 wherein the connecting portion, the first sheath and the second sheath are integrally formed of a plastic material.

3. A twin branch cable as defined in claim 1, wherein said shielding layer is made of metal foil.

4. A twin branch cable as defined in claim 1 wherein the first insulating layer is made of PET film.

5. A twin branch cable as defined in claim 1 wherein the first cable core comprises:

the first framework is cross-shaped, four ends of the first framework are attached to the first insulating layer, and four containing cavities are formed;

the first twisted pairs are arranged in four groups and are arranged in the accommodating cavity.

6. A twin branch cable as defined in claim 5 wherein said first twisted pair comprises:

a conductor:

a second insulating layer disposed at an outer periphery of the conductor.

7. A twin branch cable as defined in claim 5 in which the first backbone is formed from PE.

8. The twin breakout cable of claim 1, wherein a drain wire is disposed between the shield layer and the first insulating layer.

9. A twin branch cable as defined in claim 1 wherein said second twisted pair comprises:

a conductor:

a fourth insulating layer disposed at an outer periphery of the conductor.

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