CN215988204U - High-reliability super-six-type data cable - Google Patents

Abstract

The utility model provides a high-reliability ultra-six-type data cable which comprises a wire core pair, a sheath, a cross-shaped framework and a shielding layer, wherein the wire core pair comprises two wire cores which are twisted with each other, the wire core comprises a conductor and an insulating layer, the diameter range of the conductor is 0.55-0.60mm, the insulating layer is coated on the periphery of the conductor, and the four wire core pairs are arranged in the sheath; the cross-shaped framework is arranged in the sheath, and the four wire core pairs are respectively arranged in four quadrants of the cross-shaped framework; sawtooth-shaped stripes are distributed on the inner side surface of the sheath, and the shielding layer is arranged between the stripes and the wire core pairs. According to the anti-crosstalk data transmission device, the special fixing structures are arranged around the wire cores, so that the wire cores are prevented from deviating, the purpose of crosstalk interference resistance is achieved, and the reliability of data transmission of products is improved.

Description

High-reliability super-six-type data cable

Technical Field

The utility model relates to the technical field of high-reliability cables, in particular to a high-reliability super-class-six data cable.

Background

The wire and cable is a wire product used for transmitting electric (magnetic) energy, information and realizing electromagnetic energy conversion. The electric wire cable in a broad sense is also called as a cable for short, and the cable in a narrow sense refers to an insulated cable which is composed of the following parts: one or more insulated wire cores, and their respective possible coatings, total protective layers and outer protective layers. The communication cable is a cable for transmitting telephone, telegraph, fax document, television and radio program, data and other electric signals, and is formed by twisting more than one pair of mutually insulated wires; the method has various laying modes such as overhead, direct burial, pipeline and underwater; the cable is divided into symmetrical, coaxial and comprehensive cables according to the structure; the communication cable has wider transmission frequency band, larger communication capacity and small external interference, but is not easy to overhaul.

As a communication cable, the super-six type data cable has started to be widely used in various wiring systems since the release of the TIA-568c.2 standard in 2009. The super-six cables can effectively prevent external electromagnetic interference, can increase flexibility in comprehensive wiring, have the advantage of small wire diameter, reduce the cost of the electric wire and cable, support networks such as gigabit Ethernet, token ring network and the like, and are suitable for indoor and outdoor overhead and pipeline wiring and the like. However, in the actual use process of the super-six types of data cables, after being influenced by external force, the wire core pairs are easy to displace, the relative balance position between the wire core pairs is damaged, and the crosstalk interference resistance of the cables is further influenced. In view of the above, the present inventors have studied and designed a high reliability super-six type data cable.

SUMMERY OF THE UTILITY MODEL

The disclosed object is to provide a super six-category data cable with high reliability, which prevents the wire core from deviating by arranging a special fixing structure around the wire core, achieves the purpose of crosstalk interference resistance, and improves the reliability of data transmission of products.

The utility model provides a high-reliability ultra-six data cable, which comprises a wire core pair, a sheath, a cross skeleton and a shielding layer, wherein the wire core pair comprises two twisted wire cores, each wire core comprises a conductor and an insulating layer, the diameter range of the conductor is 0.55-0.60mm, the insulating layer is coated on the periphery of the conductor, and the four wire core pairs are arranged in the sheath; the cross-shaped framework is arranged in the sheath, and the four wire core pairs are respectively arranged in four quadrants of the cross-shaped framework; sawtooth-shaped stripes are distributed on the inner side surface of the sheath, and the shielding layer is arranged between the stripes and the wire core pairs. The cross-shaped framework enables the data cable to maintain a stable line pair position, reduces crosstalk and keeps impedance stable; the inner side surface of the sheath adopts a serrated structure, so that the friction force between the sheath and the shielding layer is increased, the position of the shielding layer is relatively fixed, and the external signal interference can be effectively shielded. The shielding layer provided by the present disclosure adopts a metal aluminum foil, and provides reliable external crosstalk resistance.

According to at least one embodiment of the present disclosure, the data cable further includes a reinforcing layer, the four reinforcing layers are respectively disposed at the periphery of the four wire core pairs, so that the wire core pairs can be effectively prevented from being extruded by an external force.

According to at least one embodiment of the present disclosure, the data cable further includes filling columns disposed in the reinforcing layer, and the eight filling columns are respectively filled at the left and right sides of the four wire core pairs, so as to further prevent the wire core pairs from moving left and right in the reinforcing layer.

According to at least one embodiment of the present disclosure, the data cable further includes a polyester tape layer, the polyester tape layer covers the periphery of the wire core pairs and the cross-shaped framework, and the wire cores can be effectively covered in four quadrants of the cross-shaped framework.

According to at least one embodiment of the present disclosure, the data cable further includes a wire casing, and the four wire casings are respectively disposed in the inner cavity of the sheath and are mutually matched with the end portion of the cross-shaped framework. The wire casing that this disclosure set up can be so that cross skeleton position maintains in fixed position, prevents the off normal back, and the line is to causing the influence.

According to at least one embodiment of the present disclosure, the cross-shaped corner area of the cross-shaped framework adopts an arc-shaped transition structure, which can effectively provide sufficient supporting force for the wire core pair.

According to at least one embodiment of the present disclosure, the top surfaces of the four end portions of the cross-shaped frame adopt arc structures, and the arc structures are matched with the inner side surface radians of the polyester tape layer, so that the contact area between the end portions of the cross-shaped frame and the polyester tape layer can be effectively increased, and the polyester tape layer is prevented from being physically damaged.

According to at least one embodiment of the present disclosure, the data cable further includes a tear cord disposed between the shield layer and the jacket. The tearing rope arranged in the utility model can enable the operator to peel the wire pair in the utility model more quickly and conveniently.

According to at least one embodiment of the present disclosure, air bubbles are distributed within the insulating layer. The present disclosure further improves the electrical insulation properties of the present disclosure with distributed gas bubbles.

According to at least one embodiment of the present disclosure, the data cable further includes a ground wire, and the ground wire is disposed in the sheath and used for grounding, so as to improve the safety performance of the product.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural diagram of a high-reliability super-category-six data cable according to the present disclosure.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the super-six types of high-reliability data cable disclosed by the present disclosure includes a core pair 1, a cross frame 2, a polyester tape layer 3, a sheath 4 and a shielding layer 5, where the core pair 1 includes two core 11 twisted with each other, the core 11 includes a conductor 111 and an insulating layer 112, the insulating layer 112 covers the periphery of the conductor 111, the conductor 111 preferably uses annealed oxygen-free copper, the conductor has a direct range of 0.55-0.60mm, preferably 0.57mm, and can meet the frequency requirement of the super-six types of data cable, and the insulating layer 112 preferably uses a dow 7387 elastomer material; the cross-shaped framework 2 is arranged in the sheath 3, the four groups of wire core pairs 1 are respectively arranged in four quadrants of the cross-shaped framework 3, and the distance between the two opposite ends of the cross-shaped framework 2 is 5.0-6.2 mm; the cross framework 2 enables the data cable to maintain a stable line pair position, reduces crosstalk and keeps impedance stable; the colors of the four groups of wire core pairs 1 are respectively white blue/blue, white orange/orange, white green/green and white brown/brown; the polyester belt layer 3 is coated on the peripheries of the wire core pairs 1 and the cross-shaped framework 2, so that the wire cores can be effectively coated in four quadrants of the cross-shaped framework 2; the polyester tape layer 3 is preferably made of polyethylene terephthalate (PET). The sheath 4 is preferably made of DF605 polyolefin elastomer material; sawtooth-shaped stripes 41 are distributed on the inner side surface of the sheath 4, preferably, the width of a groove between the stripes 41 is 1.2-1.8mm, the depth is 0.6-0.9mm, and the minimum thickness of the groove between the stripes 41 and the outer wall of the sheath is 0.4 mm; the shielding layer 5 is arranged between the stripe 41 and the core pair 1. The cross-shaped framework 2 enables the data cable to maintain a stable line pair position, reduces crosstalk and keeps impedance stable; the inner side surface of the sheath adopts a serrated structure, so that the friction force between the sheath 4 and the shielding layer 5 is increased, the position of the shielding layer 5 is relatively fixed, and the external signal interference can be effectively shielded. The shielding layer 5 provided by the present disclosure adopts a metal aluminum foil, providing reliable external crosstalk resistance.

The data cable of the present disclosure further includes wire slots (not shown), and the four wire slots are respectively disposed on the inner side of the polyester tape layer 3 and are mutually matched with the end of the cross-shaped frame 2. The wire casing that this disclosure set up can be so that cross skeleton position maintains in fixed position, prevents the off normal back, and the line is to causing the influence. The cross corner area of the cross framework 2 adopts an arc-shaped transition structure 21, which can effectively provide enough supporting force for the wire core pair. The top surface of the four ends of the cross-shaped framework 2 adopts the arc structure 22, the arc structure 22 is matched with the radian of the inner side surface of the polyester belt layer 3, the contact area between the ends 22 of the cross-shaped framework 2 and the polyester belt layer 3 can be effectively increased, and the physical damage of the polyester belt layer 3 is prevented.

The data cable further comprises a reinforcing layer 6 and a filling column (not shown), wherein four circles of reinforcing layers 6 are respectively arranged at the periphery of the four pairs of wire core pairs 1, so that the wire core pairs 1 can be effectively prevented from being extruded by external force; the packed column sets up in enhancement layer 6, and eight packed columns are filled respectively in four left and right sides to the sinle silk right, further prevent that the sinle silk from to controlling taking place in the enhancement layer.

The data cable of the present disclosure further includes a tear cord 7, the tear cord 7 being disposed between the shielding layer 5 and the sheath 4. The tearing rope 7 arranged in the utility model can enable the operator to peel the wire pair in the utility model more quickly and conveniently.

Air bubbles are distributed within the insulating layer 112 of the present disclosure. The present disclosure further improves the electrical insulation properties of the present disclosure with distributed gas bubbles.

The data cable further comprises a ground wire 8, and the ground wire 8 is arranged in the sheath 4 and used for grounding, so that the safety performance of a product is improved.

This sheath medial surface adopts the structure of cockscomb structure to increase the frictional force between sheath 4 and the shielding layer 5 for 5 relatively fixed in position of shielding layer, and then make the inside part position of sheath stable, provide the physical structure basis of preventing signal interference. The shielding layer 5 provided by the present disclosure adopts a metal aluminum foil, providing reliable external crosstalk resistance. Through the special structural design, the wire core pair is relatively fixed in position, crosstalk is reduced, impedance is kept stable, and high reliability of data transmission of the product is guaranteed.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims (10)

1. A high-reliability ultra-six-type data cable is characterized by comprising a wire core pair, a sheath, a cross-shaped framework and a shielding layer, wherein the wire core pair comprises two wire cores which are twisted with each other, each wire core comprises a conductor and an insulating layer, the diameter range of the conductor is 0.55-0.60mm, the insulating layer is coated on the periphery of the conductor, and the four wire core pairs are arranged in the sheath; the cross-shaped framework is arranged in the sheath, and the four wire core pairs are respectively arranged in four quadrants of the cross-shaped framework; sawtooth-shaped stripes are distributed on the inner side surface of the sheath, and the shielding layer is arranged between the stripes and the wire core pairs.

2. The data cable of claim 1, further comprising a reinforcement layer, wherein four reinforcement layers are disposed around the periphery of each of the four pairs of cores.

3. The data cable of claim 2, further comprising filler pillars disposed in the reinforcing layer, eight of the filler pillars being respectively filled at left and right sides of the four core pairs.

4. The data cable of claim 1, further comprising a polyester tape layer, wherein the polyester tape layer is wrapped around the pairs of wire cores and the spider.

5. The data cable of claim 1, further comprising wire slots, four of the wire slots being disposed in the inner cavity of the sheath and cooperating with the ends of the cross-shaped frame.

6. The data cable of claim 1, wherein the cruciform crossover corner region of the cruciform baffle has an arcuate transition structure.

7. The data cable of claim 4 wherein the top surface of the four ends of the cross frame is in a circular arc configuration, the circular arc configuration being complementary to the inner side curvature of the mylar layer.

8. The data cable of claim 1, further comprising a rip cord disposed between the shield and the jacket.

9. The data cable of claim 1 wherein the insulation layer has air bubbles distributed therein.

10. The data cable of claim 1, wherein the data cable further comprises a ground wire disposed in the jacket.

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