CN203134467U

CN203134467U - A fireproof anti-interference data communication high-voltage oil-filled cable

Info

Publication number: CN203134467U
Application number: CN 201320178035
Authority: CN
Inventors: 励云宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-31
Filing date: 2013-03-31
Publication date: 2013-08-14
Anticipated expiration: 2023-03-31

Abstract

The utility model relates to the field of household communication electric power equipment and relates to an oil-filled cable. A fireproof anti-interference data communication high-voltage oil-filled cable comprises conductors, an optical fiber communication cable core, insulating layers, conductive shielding layers, an inner sheath, a shielding armored layer, and an outer sheath. An oil channel is disposed in the hollow conductor wrapped in the conductive shielding layer. The insulating layer is wrapped round the conductive shielding layer and is wrapped in an aluminum foil shielding layer to form a power cable core. The optical fiber communication cable core is arranged among four power cable cores arranged annularly and then the optical fiber communication cable core and the four power cable cores are twisted to form a cable. Then the cable is successively wrapped in the inner sheath, the shielding armored layer, and the outer sheath from inside to outside. Fillers are disposed in a gap between the power cable cores and the optical fiber communication cable core. The outer sheath is low-smoke halogen-free flame-retardant vulcanized nitrile rubber. The fireproof anti-interference data communication high-voltage oil-filled cable has characteristics of a strong fireproof capability, security and reliability, superimposed and offset electromagnetic field at the position of an optical fiber, excellent electrical performance, and high signal transmission frequency.

Description

The anti-interference data communication high-tension oilfilled cable of preventing fires

Technical field

The utility model relates to family expenses communication electric power equipment field, relates in particular to a kind of oil-filled cable.

Background technology

Increasing along with people's demand to information in productive life, more and more widely, mechanics of communication is advanced by leaps and bounds, and presents information technology prosperity scene in the ascendant.Extensively adopt in each field under the demand of information technology, should need and the communication product of giving birth to is broken through the soil one after another like rain the back spring bamboo.Yet, on the great equipments such as the Aero-Space high in big, the fire-retardant requirement of high low temperature difference variation, that communicating requirement is strict, naval vessel, offshore platform, oil exploration, power plant, little because of the communication products demand, quality requirement is strict, performance constantly changes requirement because occasion is different, so far aspect high-end communication products especially communications cable product aspect also form industry standard and the product line of specialty.

Existing ocean engineering, large scale electrical power unit, oil production equipment or supervisory control system generally adopt separate cable system.There are problems such as cable laying cost height, degree-of-difficulty factor be big usually in this type of cable, for the watch-dog working condition, the independent monitoring cable of laying not only takies the expensive device space, and repeat cable laying and easily previous cable is caused damage, though it is data/electric power integrated form cable that the part cable is also arranged, but existing this class cable is mostly because the electric power cable core to the interference of data cable core, causes data transmission capabilities not strong, the transfer of data instability.

Summary of the invention

Technical problem to be solved in the utility model provides the anti-interference data communication high-tension oilfilled cable of a kind of fire prevention, this cable utilizes the low-smoke non-halogen flame-retardant sulfurized nitrile rubber as oversheath, fire resistance property is strong, safe and reliable, the electromagnetic field that the electric power cable core produces is offset in optical-fibre communications cable core position, reduce the interference to the optical-fibre communications cable core greatly, had excellent electric property.

The utility model is achieved in that the anti-interference data communication high-tension oilfilled cable of a kind of fire prevention, comprises conductor, optical-fibre communications cable core, insulating barrier, conductive shielding layer, inner sheath, shield layer and oversheath; Described conductor is hollow structure, is provided with oil duct in the conductor, the outer wrapped conductive shielding layer of conductor, and described insulating barrier is wrapped outside conductive shielding layer, and the outer wrapped aluminum foil shielded of insulating barrier becomes the electric power heart yearn; Four electric power heart yearn annular arrays and after the center arranges an optical-fibre communications cable core stranded stranding, from inside to outside wrapped inner sheath, shield layer and oversheath in turn behind the stranded stranding, gap between electric power heart yearn and the optical-fibre communications cable core is provided with filler, and described oversheath is the low-smoke non-halogen flame-retardant sulfurized nitrile rubber.

Offer an oilhole that communicates with insulating barrier every a segment distance on the described conductor.

Described optical-fibre communications cable core comprises optical fiber, the filling of optical fiber cream, loose sleeve pipe, aramid yarn and protecting pipe, the stranded back of optical fiber outsourcing pine sleeve pipe, and the space in the loose sleeve pipe is filled by optical fiber cream, and loose sleeve pipe outsourcing aramid line extrudes protecting pipe again.

Described filler is polypropylene flame redardant.

Described inner sheath is flame retardant rubber.

Described shield layer is the zinc-coated wire braid.

Described conductive shielding layer is conductive paper.

Described insulating barrier is immersion oil brown paper.

The utility model anti-interference data communication high-tension oilfilled cable of preventing fires utilizes the low-smoke non-halogen flame-retardant sulfurized nitrile rubber as oversheath, fire resistance property is strong, safe and reliable, the optical-fibre communications cable core is arranged on the center of four electric power cable core annular arrays, the electromagnetic field of four electric power cable core generations is offset in this position stack, reduced the interference to the optical-fibre communications cable core greatly, had excellent electric property, signal transmission frequency height; This cable has been strengthened tensile strength and voltage withstand class after using the filler rounding, has good alternating bending intensity, makes wire rod have higher reliability.

Description of drawings

Fig. 1 is the utility model anti-interference data communication high-tension oilfilled cable schematic cross-section of preventing fires;

Fig. 2 is the schematic cross-section of fiber data cable core in the utility model.

Among the figure: 1 conductor, 2 optical-fibre communications cable cores, 3 insulating barriers, 4 conductive shielding layers, 5 fillers, 6 inner sheaths, 7 shield layers, 8 oversheaths, 9 aluminium foils, 10 oil ducts, 21 optical fiber, 22 optical fiber cream, 23 loose sleeve pipes, 24 aramid yarns, 25 protecting pipes.

Embodiment

Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Embodiment 1

As shown in Figure 1, the anti-interference data communication high-tension oilfilled cable of a kind of fire prevention, comprise conductor 1, optical-fibre communications cable core 2, insulating barrier 3, conductive shielding layer 4, inner sheath 6, shield layer 7 and oversheath 8, in the present embodiment, described conductive shielding layer 4 is conductive paper; Described conductor 1 is hollow structure, is provided with oil duct 10 in the conductor 1, the outer wrapped conductive shielding layer 4 of conductor 1, and described insulating barrier 3 is wrapped outside conductive shielding layer 4, and insulating barrier 3 outer wrapped aluminium foils 9 shield into the electric power heart yearn; Four electric power heart yearn annular arrays also arrange the stranded strandings in an optical-fibre communications cable core 2 backs in the center, from inside to outside wrapped inner sheath 6, shield layer 7 and oversheath 8 in turn behind the stranded stranding, gap between electric power heart yearn and the optical-fibre communications cable core 2 is provided with filler 5, and described oversheath 8 is the low-smoke non-halogen flame-retardant sulfurized nitrile rubber.

The utility model can further describe into, described insulating barrier 3 is immersion oil brown paper, in order to ensure the insulating capacity of filling immersion oil brown paper, offer an oilhole that communicates with insulating barrier 3 every a segment distance on the described conductor 1, utilize the hydraulic oil in the oil duct 10 to make insulating barrier 3 fully soak into the raising dielectric strength that plugs the gap.

In the present embodiment; filled core 5 between the heart yearn is polypropylene flame redardant; outer wrapped one deck flame retardant rubber is as inner sheath 6 during stranded stranding; the inner sheath 6 main protective effects that rise inner pair of twisted cores line, the thickness of inner sheath 6 is done the time spent as external force about 0.15mm; can play the power recoil effect of letting out; inner sheath 6 outsourcings are shielded by the shield layer 7 of zinc-coated wire braiding, and shielding density reduces the interference of external signal more than 85%.

As shown in Figure 2, the utility model can further describe into, described fiber data cable core comprises optical fiber 21, optical fiber cream filling 22, loose sleeve pipe 23, aramid yarn 24 and protecting pipe 25, described oversheath 25 is high density polyethylene pipe, optical fiber 21 stranded back outsourcing pine sleeve pipes 23, space in the pine sleeve pipe 23 is filled by optical fiber cream 22, and loose sleeve pipe 23 outsourcing aramid line 24 extrude high density polyethylene (HDPE) protecting pipe 25 again.

Claims

1. the anti-interference data communication high-tension oilfilled cable of fire prevention is characterized in that: comprise conductor (1), optical-fibre communications cable core (2), insulating barrier (3), conductive shielding layer (4), inner sheath (6), shield layer (7) and oversheath (8); Described conductor (1) is hollow structure, is provided with oil duct (10) in the conductor (1), the outer wrapped conductive shielding layer (4) of conductor (1), and described insulating barrier (3) is wrapped outside conductive shielding layer (4), and the outer wrapped aluminium foil (9) of insulating barrier (3) shields into the electric power heart yearn; Four electric power heart yearn annular arrays also arrange the stranded stranding in an optical-fibre communications cable core (2) back in the center, from inside to outside wrapped inner sheath (6), shield layer (7) and oversheath (8) in turn behind the stranded stranding, gap between electric power heart yearn and the optical-fibre communications cable core (2) is provided with filler (5), and described oversheath (8) is the low-smoke non-halogen flame-retardant sulfurized nitrile rubber.

2. the anti-interference data communication high-tension oilfilled cable of fire prevention as claimed in claim 1 is characterized in that: offers an oilhole that communicates with insulating barrier (3) every a segment distance on the described conductor (1).

3. the anti-interference data communication high-tension oilfilled cable of fire prevention as claimed in claim 1, it is characterized in that: described optical-fibre communications cable core (2) comprises optical fiber (21), the filling of optical fiber cream (22), loose sleeve pipe (23), aramid yarn (24) and protecting pipe (25), the stranded back of optical fiber (21) outsourcing pine sleeve pipe (23), space in the pine sleeve pipe (23) is filled by optical fiber cream (22), pine sleeve pipe (23) outsourcing aramid line (24) extrudes protecting pipe (25) again.

4. as the anti-interference data communication high-tension oilfilled cable of the described fire prevention of any claim in the claim 1～3, it is characterized in that: described filler (5) is polypropylene flame redardant.

5. as the anti-interference data communication high-tension oilfilled cable of the described fire prevention of any claim in the claim 1～3, it is characterized in that: described inner sheath (6) is flame retardant rubber.

6. as the anti-interference data communication high-tension oilfilled cable of the described fire prevention of any claim in the claim 1～3, it is characterized in that: described shield layer (7) is the zinc-coated wire braid.

7. as the anti-interference data communication high-tension oilfilled cable of the described fire prevention of any claim in the claim 1～3, it is characterized in that: described conductive shielding layer (4) is conductive paper.

8. as the anti-interference data communication high-tension oilfilled cable of the described fire prevention of any claim in the claim 1～3, it is characterized in that: described insulating barrier (3) is immersion oil brown paper.