Compound rope of cable rope and optical cable

A composite cable and optical cable technology, applied in the direction of communication cables, cables, circuits, etc., can solve the problems of unstable cable transmission performance, affecting transmission distance, uneven impedance, etc., to improve transmission stability, increase transmission capacity, and suppress mutual interference effect

Inactive Publication Date: 2009-06-03
天津有容蒂康通讯技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitation of the structure of this cable, in order to achieve a good crosstalk effect, the pitch must be made very small, otherwise the relative position of the two core wires of the pair is easily displaced and changed during the subsequent manufacturing process. As a result, the cable transmission performance is unstable, crosstalk occurs during transmission, or the impedance is uneven
However, the negative impact of too small pitch is to increase the attenuation, thus affecting the transmission distance

Method used

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  • Compound rope of cable rope and optical cable
  • Compound rope of cable rope and optical cable

Examples

Experimental program
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Effect test

Embodiment 1

[0025] A composite cable of an electric cable and an optical cable, including a twisted wire core and an optical fiber core. The composite cable has a skeleton 8, and the center of the skeleton 8 has a high Young's modulus fiber aramid yarn 9. The stranded wire core and the optical fiber core 10 are placed in the skeleton groove. The optical fiber core is covered with a tight sleeve, the optical fiber core 10 is covered with a polyester sheath 11 , and the outer covering is covered with a fiber sheath 12 . There is a shielding layer 2 on the outside of the stranded wire core and the optical fiber core, and the shielding layer 2 is a braided structure of aluminum-plastic composite tape and copper wire. The shielding layer is provided with a tinned drain wire 4 . The stranded core conductor has a sheathing insulation layer 7 . The twisted wire core is composed of four wire pairs 5, the wire pair 5 is formed by twisting two separate insulated conductors, the twisting pitch is ...

Embodiment 2

[0027] The optical fiber core in the composite cable of the cable and the optical cable is covered with a loose tube, and there is a filling ointment 13 between the optical fiber cores 14 in the loose tube, and an optical fiber sheath 15 outside. Others are the same as embodiment 1.

[0028] refer to figure 1 and figure 2 . The specific structure of the composite cable of the cable and the optical cable is composed of four wire pairs and an optical cable core. The cable wire can be composed of more than four wire pairs, and the optical cable core can be more than one. The outer conductor is covered with a polyolefin insulation layer. The wire pair The cable core is embedded with a reinforced core skeleton to form a cable core, and the outer shield covered with aluminum-plastic composite tape and braided copper wire is added. The outer shield is covered with an outer sheath. The twisted pitch of the wire pair group is 10.5mm-21.5mm, for matching. The skeleton is made of hi...

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Abstract

The invention relates to a compound rope of a cable rope and an optical rope, belonging to the compound rope technical field. The compound rope of the cable rope and the optical rope comprises a twisted wire core and an optical fiber core which are provided with sheathing layers at the outside, and the twisted wire core conductor is provided with a coated insulating layer. The compound rope is characterized in that a framework, the twisted wire core and the optical fiber core are arranged in the groove of the framework. The invention has the advantages that the interval is increased and steady, the mutual interference can be restrained effectively, the overhearing can be reduced, the transmission stability of data ropes can be improved, wider bandwidth can be transmitted and the mechanical tensile property is good.

Description

technical field [0001] The invention belongs to the technical field of composite cables, in particular to a composite cable of electric cables and optical cables. Background technique [0002] At present, with the rapid development of communication technology and the continuous expansion of computer networks, the amount of extension and transmission information has increased sharply. On the one hand, the amount of data cables used for communication network cables has increased by a large margin; High transmission speed and better transmission effect to achieve fast and accurate transmission of information. At present, the known data transmission cables are generally unshielded twisted-pair cables utilizing four or more pairs of wire groups. It is two uniform insulated wire cores and twisted together in the same direction to form a wire pair group, and then formed into a wire pair group. The cable is finally covered with an outer sheath. Due to the limitation of the structu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/44H01B11/22
Inventor 游煌棋
Owner 天津有容蒂康通讯技术有限公司
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