CN202584868U - Optical-fibre and power combined cable - Google Patents

Abstract

The utility model discloses an optical fiber power combined cable, which comprises a power cable core and an optical fiber cable core. The power cable core includes several conductors wrapped with insulation layers and is evenly distributed in the area between the corners of the star-shaped framework. The wrapping layer, refractory layer and waterproof layer are wrapped in turn, and the center of the star-shaped skeleton is provided with a tensile core; the optical fiber cable core includes three optical fiber bundles arranged in the shape of a finished product, and the optical fiber bundles are respectively wrapped with loose tubes, and the optical fiber cable core is covered with Plastic tube, optical fiber cable core and power cable core are extruded with a sheath layer. The utility model has a reasonable structural design, the optical cable and the electric cable are combined into one body, and the simultaneous transmission of the optical signal and the electrical signal is realized. In addition, it has good waterproof performance, fire resistance, stretch resistance, wear resistance, and compact structure service life.

Description

An optical fiber power combined cable

Technical field:

The utility model relates to a combined cable, in particular to an optical fiber power combined cable.

Background technique:

In today's society, it is often necessary to transmit electric energy and light energy signals at the same time to meet the needs of power and information transmission and measurement. Therefore, it is necessary to lay power cables and optical cables for long distances and indoors and outdoors, which greatly increases engineering difficulty and construction investment.

In the power system, power cables with different voltage levels are used for the transmission and distribution of electric energy. The power cable is matched with the overhead bare wire, which has little interference from the external climate environment and high power supply reliability; the large capacitance is conducive to improving the power factor of the power system; the insulation layer and the sheath layer armor layer can withstand external mechanical force or pulling force The role of safety is not easy to be damaged, etc., but it can only transmit cables.

As an optical signal transmission medium, the optical fiber must be controlled into a relatively complex optical cable in order to ensure long-term use under various laying conditions and various environments.

Utility model content:

In order to solve the problems in the prior art, the purpose of this utility model is to provide a fiber-optic power combined cable, which realizes the simultaneous transmission of electrical signals and optical signals, and brings convenience to installation and laying.

The technical scheme of the utility model is as follows:

The optical fiber power combined cable is characterized in that: it includes a power cable core and an optical fiber cable core, and the power cable core includes several conductors wrapped with insulating layers evenly distributed in the area between the corners of the star-shaped framework, and the outside of the power cable core Wrapped with a wrapping layer, a refractory layer, and a waterproof layer in turn, the center of the star-shaped skeleton is provided with a tensile core; the optical fiber cable core includes three optical fiber bundles arranged in a font, and the optical fiber bundles are respectively wrapped with loose tubes, The optical fiber cable core is covered with a plastic tube, and the optical fiber cable core and the power cable core are extruded with a sheath layer.

The fiber-optic power combined cable is characterized in that: the waterproof layer is formed by overlapping wrapping of waterproof tapes, and the covering rate of the wrapping is not less than 45%.

The optical fiber power combined cable is characterized in that wear-resistant particles are uniformly distributed in the sheath layer.

The utility model has the advantages of:

The utility model has a reasonable structural design, and the optical cable and the electric cable are combined to realize the simultaneous transmission of the optical signal and the electrical signal. service life.

Description of drawings:

Fig. 1 is the structural representation of the utility model.

Detailed ways:

See Figure 1:

Optical fiber power combined cable, including power cable core 1 and optical fiber cable core 2, power cable core 1 includes several conductors 1-1 wrapped with insulating layer 1-2, evenly distributed in the area between the corners of star frame 1-3 , the outer side of the power cable core 1 is wrapped with a wrapping layer 3, a refractory layer 4, and a waterproof layer 5 in sequence, and the center of the star-shaped skeleton 1-3 is provided with a tensile core 1-4; the tensile performance is improved, and the optical fiber cable core 2 includes three The finished fiber bundles 2-1 are arranged in a font, the fiber bundles 2-1 are respectively wrapped with loose tubes 2-2, the fiber optic cable core 2 is covered with a plastic tube 6, and the fiber optic cable core 2 and the power cable core 1 are extruded to form a Sheath layer 7.

The waterproof layer 5 is composed of overlapping wrapping with waterproof tape, and the wrapping rate is not less than 45%.

The wear-resistant particles 8 are evenly distributed in the sheath layer 7, which improves the wear-resistant performance and prolongs the service life.

Claims (3)

1. An optical fiber power composite cable, characterized in that: it includes a power cable core and an optical fiber cable core, and the power cable core includes several conductors wrapped with an insulating layer that are evenly distributed in the area between each corner of the star frame, The outer side of the power cable core is wrapped with a wrapping layer, a refractory layer, and a waterproof layer in turn. The center of the star-shaped skeleton is provided with a tensile core; the optical fiber cable core includes three finished optical fiber bundles arranged in a font, and the optical fiber bundles are wrapped separately. There is a loose tube, the optical fiber cable core is covered with a plastic tube, and the optical fiber cable core and the power cable core are extruded with a sheath layer. 2. The fiber optic power combined cable according to claim 1, characterized in that: the waterproof layer is made of overlapping wrapping with waterproof tapes, and the covering rate of the wrapping is not less than 45%. 3. The optical fiber power combined cable according to claim 1, characterized in that wear-resistant particles are evenly distributed in the sheath layer.

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