CN212256974U

CN212256974U - Heterogeneous filling super-six-type non-shielding symmetrical data communication cable

Info

Publication number: CN212256974U
Application number: CN202021290718.6U
Authority: CN
Inventors: 刘雅樑; 鲁红瑞; 方新春; 杨吉
Original assignee: Huaxun Industrial Suzhou Co ltd
Current assignee: Huaxun Industrial Suzhou Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2020-12-29
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to a communication cable, in particular to a heterogeneous filling super-six-type unshielded symmetrical data communication cable, which comprises four twisted-pair lines and a cross, wherein the four twisted-pair lines are respectively positioned in four grooves of the cross; the round bars are symmetrically arranged on two sides of the cross; the twisted pair, the cross and the round bar are all positioned in the wrapping layer; the sheath layer is located outside the wrapping layer. The utility model provides a pair of the heterogeneous combination that fills super six types of non-shielding symmetrical data communication cable through cross and pole makes the structure firm relatively, the performance is more stable, makes off-the-shelf line footpath little simultaneously, and the cost is reduced satisfies under super six types of performance requirements, more can exert the price advantage than traditional design, more has market competition to it is convenient to lay wire.

Description

Heterogeneous filling super-six-type non-shielding symmetrical data communication cable

Technical Field

The utility model relates to a communication cable, especially a heterogeneous six types of unshielded symmetrical data communication cables of filling.

Background

In order to meet the interclass crosstalk requirements specified by international standards, more than six types of unshielded symmetrical data communication cables generally adopt thicker filling or thicker outer sheaths to increase interclass distance so as to meet the interclass crosstalk transmission requirements, thus increasing the wire diameter of finished products and cost, weakening the market competitiveness, and simultaneously causing the communication cables to be harder and inconvenient in wiring.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a structure is firm relatively, the performance is more stable, finished product line footpath is little, with low costs, the convenient one kind of heterogeneous six types of unshielded symmetrical data communication cable of wiring, and concrete technical scheme is:

a heterogeneous filling super-six-type unshielded symmetrical data communication cable comprises four twisted pairs and a cross, wherein the four twisted pairs are respectively positioned in four grooves of the cross; the round bars are symmetrically arranged on two sides of the cross; the twisted pair, the cross and the round bar are all positioned in the wrapping layer; the sheath layer is located outside the wrapping layer.

Through adopting above-mentioned technical scheme, adopt pole and cross combination to fill can reduce the thickness of cross to reduce the line footpath. The cross is arranged at the center of the cable core, so that four pairs of wires can be just separated without increasing too much wire diameter and cost. Meanwhile, fewer round rods are used for wrapping the cable core to play a supporting role, the requirement of increasing the distance between groups is met, and the round rods are used for wrapping the cable core to ensure the cross talk requirement between CAT6A UTP groups.

Further, the cross and the round bar are made of FEP.

By adopting the technical scheme, the FEP material has small dielectric constant, good effect of improving electrical properties such as ATT and the like, good flame retardance and less smoke generation, and can meet the high flame retardance requirement of CMP.

Further, the wrapping layer is a flame-retardant tape wrapping layer.

Further, the twisted pair comprises two twisted wires, wherein the wires comprise conductors and insulating layers, the conductors are solid bare copper, and the insulating layers are PE layers.

Further, the diameter of the conductor is 0.5666 +/-0.02 mm, and the diameter of the insulating layer is 1.04 +/-0.08 mm.

Further, the thickness of restrictive coating is 0.4mm, the external diameter of restrictive coating is 8.2 +/-0.5 mm.

Further, the sheath layer is a PVC layer.

Compared with the prior art the utility model discloses following beneficial effect has:

the utility model provides a pair of the heterogeneous combination that fills super six types of non-shielding symmetrical data communication cable through cross and pole makes the structure firm relatively, the performance is more stable, makes off-the-shelf line footpath little simultaneously, and the cost is reduced satisfies under super six types of performance requirements, more can exert the price advantage than traditional design, more has market competition to it is convenient to lay wire.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1, a heterogeneous filled super-six-type unshielded symmetrical data communication cable comprises four twisted pairs 1 and a cross 2, wherein the four twisted pairs 1 are respectively positioned in four grooves 21 of the cross 2; the round rods 3 are symmetrically arranged on two sides of the cross 2; the wrapping layer 5, the twisted pair 1, the cross 2 and the round bar 3 are all positioned in the wrapping layer 5; restrictive coating 4, restrictive coating 4 are located the outside around covering 5.

The combined filling of the round rod 3 and the cross 2 can reduce the thickness of the cross 2, thereby reducing the wire diameter. The cross 2 is arranged at the center of the cable core, so that four pairs of wires can be just separated without increasing too much wire diameter and cost. Meanwhile, fewer round rods 3 are used for wrapping the cable core to play a supporting role, the requirement of increasing the distance between groups is met, and the round rods 3 are used for wrapping the cable core to ensure the cross talk requirement between CAT6A UTP groups.

Specifically, the cross 2 and the round bar 3 are made of FEP. The FEP material has small dielectric constant, good effect on improving electrical properties such as ATT and the like, good flame retardance and less smoke generation, and can ensure that the high flame retardance requirement of CMP is met.

The wrapping layer 5 is a flame-retardant tape wrapping layer.

The twisted pair 1 includes two twisted wires, the wires include a conductor 11 and an insulating layer 12, the conductor 11 is solid bare copper, and the insulating layer 12 is a PE layer. The diameter of the conductor 11 is 0.5666 + -0.02 mm, and the diameter of the insulating layer 12 is 1.04 + -0.08 mm.

The sheath layer 4 is a PVC layer. The thickness of restrictive coating 4 is 0.4mm, and the external diameter of restrictive coating 4 is 8.2 +/-0.5 mm, and the length of cross 2 is 3.8 ~ 4.2mm, and thickness is 0.5 ~ 0.7 mm.

The pitch of the wire pair is less than or equal to 30mm, and the cabling pitch is less than or equal to 200 mm.

Mechanical Properties

The use temperature is as follows: -20 ℃ to +90 ℃;

maximum pull (installation): 80N;

minimum bend radius (installation): 8 × o.d.;

sheath layer tensile strength: ≧ 13.8 MPa;

elongation at break of the sheath layer: ≧ 100%;

and (3) aging conditions of the sheath layer: 100 ℃ x 168 hrs;

tensile strength of the aged sheath layer: ≧ 75% of Unangng;

elongation at break of the aged sheath layer: ≧ 50% of Unangng;

electrical performance

Working capacitance: ≦ 5.6nF/100m (@1 kHz);

capacitance to ground imbalance: ≦ 160pF/100 m;

propagation speed: 65 percent;

propagation delay difference: 45ns/100 m;

maximum conductor dc resistance: 93.8. omega./km (@20 ℃ C.);

maximum conductor dc resistance imbalance: 2% (@20 ℃);

minimum insulation resistance: 5000M omega M;

maximum operating voltage-UL: 300V.

The following table shows the transmission performance

The utility model provides a pair of the heterogeneous six types of unshielded symmetrical data communication cables of filling makes the structure firm relatively, the performance is more stable through cross 2 and round bar 3's combination, makes off-the-shelf line footpath little simultaneously, and the cost is reduced satisfies under six types of performance requirements of surpassing, more can exert the price advantage than traditional design, more has market competition to it is convenient to lay wire.

Claims

1. A heterogeneous filling super-six-type unshielded symmetrical data communication cable comprises four twisted-pair lines and is characterized by also comprising

The four twisted-pair cables are respectively positioned in four grooves of the cross;

the round bars are symmetrically arranged on two sides of the cross;

the twisted pair, the cross and the round bar are all positioned in the wrapping layer;

the sheath layer is located outside the wrapping layer.

2. The heterofilled supersix-type unshielded symmetric data communications cable of claim 1, wherein the cross and round rod are both made of FEP.

3. The disparate filled super six-type unshielded symmetric data communication cable according to claim 1, wherein said wrapped layer is a flame retardant tape wrapped layer.

4. The disparate filled supersix-category unshielded symmetric data communications cable according to claim 1, wherein said twisted pair comprises two conductors twisted about one another, said conductors comprising a conductor and an insulation, said conductor being solid bare copper and said insulation being a PE layer.

5. The heterofilled supersix-type unshielded symmetric data communications cable of claim 4, wherein the diameter of said conductor is 0.5666 ± 0.02mm and the diameter of said insulation is 1.04 ± 0.08 mm.

6. The heterofilled super six-type unshielded symmetric data communication cable according to claim 1, wherein the thickness of said jacket layer is 0.4mm and the outer diameter of said jacket layer is 8.2 ± 0.5 mm.

7. The heterofilled super six-class unshielded symmetric data communication cable of claim 1, wherein said jacket layer is a PVC layer.

8. The hetero-filled extra-six-type unshielded symmetric data communication cable according to claim 1, wherein the sheath layer has an outer diameter of 8.2 ± 0.5mm, the cross has a length of 3.8-4.2 mm and a thickness of 0.5-0.7 mm.