CN101685685A - 8-shaped photoelectric composite flame-retardant cable - Google Patents

Abstract

The invention relates to a 8-shaped photoelectric composite flame-retardant cable which comprises a power cable and an optical cable. A lead and a filling rope are arranged in a cable core of the power cable, a conductor of the lead and the filling rope is covered by an insulating layer, and is formed by a plurality of strands of tinned copper wires, and the cable core of the power cable is sequentially covered by a heat insulating layer, a copper wire braid shielding layer and an external protection sheath. Optical fiber and a tension reinforcing element both covered by a casing pipe are arranged in the cable core of the optical cable, and the cable core of the optical cable is covered by an external protection sheath. The external protection sheath of the power cable and the external protection sheath of the optical cable are connected to form a 8 shape, and a connection hanging strip is arranged between the two external protection sheaths. The invention is applied to the conditionsof needing both power transmission and optical signal transmission, can achieve the purpose by only laying one cable without secondary laying, thereby reducing the laying cost, reducing the construction intensity, having ordered cable distribution and being convenient to locate faults.

Description

8 shaped photoelectric composite flame-retardant cables

Technical field

The present invention relates to a kind of cable, especially have the photoelectricity composite cable of electric power transfer function and optical fiber communication function concurrently.

Background technology

Existing power cable and communications optical cable all are independent manufacturings, laying installation respectively during use, for the occasion that needs electric power transfer and optical signal transmission simultaneously just necessary power cable laying and optical cable respectively, cause cable, optical cable secondary to lay, laid down cost improves, construction intensity increases, and winding displacement is mixed and disorderly, breaks down to search difficulty.

Summary of the invention

In order to overcome the deficiency that existing power cable and optical cable are made separately, laid respectively, the invention provides a kind of 8 shaped photoelectric composite flame-retardant cables, power cable and optical cable are combined, need the occasion of electric power transfer and optical signal transmission at the same time, lay a cable and just can achieve the goal.

A kind of 8 shaped photoelectric composite flame-retardant cables provided by the invention comprise power cable and optical cable, be provided with lead, gasket for packing in the cable core of power cable at conductor outsourcing insulating layer coating, the conductor of power cable is made of the multiply tinned copper wire, outside the cable core of power cable, coat thermal insulation layer, copper wire woven shield, oversheath successively, be provided with optical fiber, the tension reinforcement of outer canning tube in the cable core of optical cable, outside the cable core of optical cable, coat oversheath, the oversheath of power cable and the oversheath of optical cable fuse and are 8 fonts, are provided with the connection suspender belt between two oversheaths.

The invention has the beneficial effects as follows: need the occasion of electric power transfer and optical signal transmission at the same time, only need once lay the present invention and just can achieve the goal, do not need secondary to lay, reduce laid down cost, reduce construction intensity, and winding displacement is neat, searches conveniently in case break down.

Description of drawings

Fig. 1 is a cross sectional representation of the present invention.

In Fig. 1,1, ferrule, 2, optical fiber, 3, optical cable core, 4, the insulating barrier of tension reinforcement, 5, the tension reinforcement, 6, cable outer sheath, 7, connect suspender belt, 8, conductor, 9, the insulating barrier of conductor, 10, lead, 11, gasket for packing, 12, thermal insulation layer, 13, electric-cable core, 14, the copper wire woven shield, 15, the power cable oversheath.

Embodiment

With reference to Fig. 1, adopt the multiply tinned copper wire to be twisted into conductor 8 back outsourcing insulations 9 and make lead 10, gasket for packing 11 stranded formation electric-cable cores 13 with lead 10 is made with polypropylene coat thermal insulation layer 12, copper wire woven shield 14 successively outside cable core 13.Simultaneously, with the optical fiber 2 of outer canning tube 1 the tension reinforcement 5 stranded formation optical cable cores of making of aramid fiber 3 with outsourcing insulation 4.At last, adopt low-smoke halogen-free flame-retardant sheath material to coat power cable oversheath 15 and the cable outer sheath 6 that fuses outside the copper wire woven shield 14 of power cable and outside the optical cable core 3 together, and between two oversheaths, be provided with connection suspender belt 7, promptly make the present invention.

Claims (1)

1, a kind of 8 shaped photoelectric composite flame-retardant cables, comprise power cable and optical cable, be provided with lead in the cable core of power cable at conductor outsourcing insulating layer coating, gasket for packing, the conductor of power cable is made of the multiply tinned copper wire, outside the cable core of power cable, coat thermal insulation layer successively, the copper wire woven shield, oversheath, be provided with the optical fiber of outer canning tube in the cable core of optical cable, the tension reinforcement, outside the cable core of optical cable, coat oversheath, the oversheath that it is characterized in that the oversheath of power cable and optical cable fuses and is 8 fonts, is provided with the connection suspender belt between two oversheaths.

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