CN222896555U - A Category 6 network cable - Google Patents

Abstract

The utility model discloses a super-six-class network cable, and belongs to the technical field of network cables. The shielding layer comprises a sheath, a shielding layer, a framework and four pairs of twisted pairs, wherein the cross section of the framework is square, the framework is arranged along the direction of a net wire, four corners of the framework are round corners and tangent to the inner side of the shielding layer, four through holes are arranged in a square arrangement manner, the through holes are arranged along the direction of the framework and matched with the twisted pairs, the four through holes are symmetrically arranged along the center of the axis of the framework and are respectively positioned on the four corners of the framework, and the four twisted pairs are respectively positioned in the four through holes. Each pair of twisted wires independently passes through a tubular framework, the isolation thickness between four pairs of twisted wires is larger, and the electromagnetic interference between adjacent wire pairs is reduced. The structural strength is improved, compared with the traditional cross framework structure, the porous tubular framework has higher mechanical strength and is not easy to deform. The porous skeleton structure can protect the twisted wire better in actual use, and the design of tearing rope is matched, so that the construction operation is convenient.

Description

Super-six-class net wire

Technical Field

The utility model belongs to the technical field of network cables, and particularly relates to a super-six-class network cable.

Background

Super six twisted pair wires designed to support the higher frequencies required for 10 Gigabit Ethernet network transmissions. The common super-six types of net wires comprise a sheath, a shielding layer, a framework, four pairs of twisted pairs and the like, wherein the framework is generally cross-shaped, and the four pairs of twisted pairs are positioned in four right-angle-shaped areas of the framework.

The patent with the application number of CN201822130720.6 discloses a super-six-class net wire shielding device, which comprises four twisted pairs, four twisted pairs are arranged in a rotating array, a sheath is sleeved on the four twisted pairs, and a shielding layer is wrapped on the single twisted pair. A shielding net is filled between the sheath and the twisted pair, and the shielding net is of a woven red copper structure. The four groups of twisted pairs are isolated by an isolation framework, and the isolation framework is of a cross structure.

The patent of application number CN201822137871.4 discloses a CMP grade CAT6UTP net twine, including cross skeleton, paired line and flame retardant coating, be equipped with the paired line on the cross skeleton, the paired line still includes sinle silk, HDPE layer FEP layer, the sinle silk outside cladding has the HDPE layer, HDPE layer outside cladding has the FEP layer, the outside cladding of cross skeleton has the flame retardant coating.

The patent with the application number of CN202023273420.7 discloses a double-shielding net wire, which comprises an outer sheath, a first shielding layer, a second shielding layer, four pairs of twisted wires and a cross framework, wherein the outer sheath, the first shielding layer and the second shielding layer form an accommodating protection structure, an accommodating space is arranged in the accommodating protection structure, the accommodating protection structure wraps the four pairs of twisted wires and the cross framework in the accommodating space, the outer sheath wraps the first shielding layer, the first shielding layer wraps the second shielding layer, the four pairs of twisted wires are respectively formed by twisting orange white wires and orange wires, twisting green white wires and green wires, twisting blue white wires and blue wires, twisting brown white wires and brown wires, the cross framework comprises four partition walls, the four pairs of twisted wires are respectively arranged in the four accommodating spaces, and the thickness of two partition walls, which are close to each other, of the twisted wires of the green white wires and the green wires is larger than the thickness of the other two partition walls.

The patent of application number CN202221939469.8 discloses a six kinds of net twines that high temperature resistant effect is good, including the protective sheath, the inside fixedly connected with insulating layer of protective sheath, the internally mounted of insulating layer has the cross skeleton, the fixed surface of cross skeleton is connected with the sinle silk, the fixed surface of sinle silk is connected with the shielding layer, the fixed surface of protective sheath is connected with high temperature resistant layer.

The prior art generally employs a cross-shaped backbone structure that acts to separate four twisted pairs of wires, thereby reducing interference between the pairs. However, such a structure has some drawbacks in practical use, such as insufficient strength of the skeleton (thickness is usually 0.4-0.6 mm), unstable resistance to interference (twisted pair may be separated from the skeleton when twisted pair is twisted with the skeleton), and the like.

Disclosure of Invention

The embodiment of the utility model provides a super-six-class net wire, which uses a framework formed by four tubes to replace a cross framework, so that the comprehensive performance of the net wire is enhanced (the anti-interference capability and the mechanical strength of the net wire are obviously improved). The technical scheme is as follows:

the embodiment of the utility model provides a super-six-class net wire, which comprises a sheath 4, a shielding layer 3, a framework 2 and four pairs of twisted pairs 1, wherein the cross section of the framework 2 is square, the framework 2 is arranged along the direction of the net wire, four corners of the framework are round corners and tangent to the inner side of the shielding layer 3, four through holes 5 are arranged in a square manner, the through holes 5 are arranged along the direction of the framework 2 and matched with the twisted pairs 1, the four through holes 5 are symmetrically arranged along the center of the axis of the framework 2 and are respectively positioned on the four corners of the framework 2, and the four twisted pairs 1 are respectively positioned in the four through holes 5.

Specifically, the skeleton 2 in the embodiment of the present utility model is a high-strength polypropylene skeleton.

The through hole 5 in the embodiment of the present utility model is a circular hole, which is tangential to the outer side of the twisted pair 1.

Preferably, the through holes 5 in the embodiment of the present utility model are coaxially arranged with the corresponding rounded corners.

Specifically, the distance between adjacent through holes 5 in the embodiment of the utility model is 0.4-0.6mm, and the distance between the through holes 5 and corresponding fillets is 0.3-0.6mm.

The framework 2, the shielding layer 3 and the sheath 4 are sequentially arranged from inside to outside, the shielding layer 3 is an aluminum foil layer or a woven copper mesh layer, and the sheath 4 is a polyvinyl chloride layer or a low-smoke halogen-free layer.

Further, the net wire in the embodiment of the present utility model further includes a ground wire 6, and the ground wire 6 is located between the shielding layer 3 and the sheath 4.

Further, the net wire in the embodiment of the present utility model further comprises a tearing rope 7, and the tearing rope 7 is located between the shielding layer 3 and the sheath 4.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that the embodiment of the utility model provides the super-six-class net wire, each pair of twisted wires independently passes through one through hole of one tubular framework, and the twisted wires are not needed to be twisted into a cable, so that the core wires can be prevented from jumping out of the framework in the process of cabling, and the transmission performance is prevented from being deteriorated. The structural strength is improved, compared with the traditional cross framework structure, the porous tubular framework has higher mechanical strength and is not easy to deform. The porous skeleton structure can protect the twisted wire better in actual use, and the design of tearing rope is matched, so that the construction operation is convenient.

Drawings

FIG. 1 is a schematic diagram of a conventional super six-class wire;

fig. 2 is a schematic structural diagram of a super-six-class network cable according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a skeleton;

FIG. 4 is a test chart before modification;

fig. 5 is a test chart after modification.

In the figure, 1 twisted pair, 2 skeletons, 3 shielding layers, 4 sheaths, 5 through holes, 6 grounding wires and 7 tearing ropes.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 2-3, the embodiment of the utility model provides a super-six-type net wire, which comprises a sheath 4, a shielding layer 3, a framework 2, a grounding wire 6, a tearing rope 7, four twisted pairs 1 and the like. The framework 2, the shielding layer 3 and the sheath 4 are sequentially arranged from inside to outside. The shielding layer 3 is an aluminum foil layer or a braided copper mesh layer, and the like, and a corresponding shielding structure is adopted according to the shielding effect which is achieved as required. The sheath 4 is a polyvinyl chloride layer (PVC) or a low smoke zero halogen Layer (LSZH) and the like, and plays a role in protecting the internal structure. The grounding wire 6 is positioned between the shielding layer 3 and the sheath 4, the grounding wire 6 is used for grounding treatment of the net wire, and a tinned copper wire is selected as a material to ensure good conductivity. The tearing rope 7 is positioned between the shielding layer 3 and the sheath 4, the tearing rope 7 is convenient for stripping and construction of the outer sheath, and high-strength polyester fiber is selected as a material. The wire core of the twisted pair 1 adopts high-purity oxygen-free copper, and the insulating layer adopts high-density polyethylene (HDPE). The structure is basically the same as that of the existing super-six-class net wire, and the difference is that:

the cross section of the skeleton 2 in this embodiment is square (specifically, square pipe with four holes), it is set up along the direction of the net twine, its four corners are round corners and tangent with the inner side of the shielding layer 3, four through holes 5 are arranged in square shape in it, it is the high strength polypropylene skeleton (in order to ensure the mechanical strength of skeleton). The through hole 5 is arranged along the direction of the framework 2, is matched with the twisted pair 1, is a round hole, is tangential to the outer side of the twisted pair 1, and is used for accommodating a pair of twisted pairs 1. The four through holes 5 are arranged in a central symmetry manner on the axis of the framework 2, are respectively positioned at the four corners of the framework 2, and are coaxially arranged with the corresponding fillets. Four twisted pairs 1 are located in four through holes 5, respectively.

Specifically, the distance between adjacent through holes 5 in the embodiment of the present utility model is 0.4-0.6mm (may be specifically 0.5 mm), and the distance between the through holes 5 and the corresponding rounded corners is 0.3-0.6mm (may be specifically 0.5 mm).

Testing

Test conditions

A main tester Versiv;

A remote tester Versiv;

v7.6;

V6.6 Build 2;

Adapter DSX-8000 (DSX-PLA 804);

NVP:68.2%。

the test results before improvement are shown in table 1:

TABLE 1

The improved test results are shown in Table 2:

TABLE 2

The residual quantity before improvement is 1.5dB (NEXT 3.6-7.8), the residual quantity after improvement is 5.1dB (NEXT 3.6-7.8), and the transmission performance after improvement is better.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. A super-six-class net wire comprises a sheath (4), a shielding layer (3), a framework (2) and four pairs of twisted pairs (1), and is characterized in that the cross section of the framework (2) is square, the cross section of the framework is arranged along the direction of the net wire, four corners of the framework are round corners and tangent to the inner side of the shielding layer (3), four through holes (5) are arranged in a square arrangement, the through holes (5) are arranged along the direction of the framework (2) and matched with the twisted pairs (1), the four through holes (5) are symmetrically arranged along the center of the axis of the framework (2), the four through holes are respectively positioned on the four corners of the framework (2), and the four twisted pairs (1) are respectively positioned in the four through holes (5).

2. The super six-class net twine according to claim 1, wherein the skeleton (2) is a high strength polypropylene skeleton.

3. A super six-class net wire according to claim 1, characterized in that the through holes (5) are round holes, which are tangential to the outer side of the twisted pair (1).

4. A supersix net twine according to claim 3, characterized in that the through holes (5) are arranged coaxially with the corresponding fillets.

5. The super-six net twine according to claim 4, wherein the distance between adjacent through holes (5) is 0.4-0.6mm, and the distance between the through holes (5) and corresponding fillets is 0.3-0.6mm.

6. The super-six-class net wire according to claim 1, wherein the framework (2), the shielding layer (3) and the sheath (4) are sequentially arranged from inside to outside, the shielding layer (3) is an aluminum foil layer or a woven copper net layer, and the sheath (4) is a polyvinyl chloride layer or a low-smoke halogen-free layer.

7. The super-six net twine according to claim 6, further comprising a ground wire (6), the ground wire (6) being located between the shielding layer (3) and the sheath (4).

8. The super six-class net twine according to claim 7, further comprising a tear string (7), said tear string (7) being located between the shielding layer (3) and the sheath (4).