CN217719113U - Fire-resistant photoelectric composite cable for ships - Google Patents

Abstract

The utility model discloses a naval vessel is with fire-resistant photoelectricity composite cable includes cable core, enhancement layer, interior sheath, flame retardant coating, outer sheath, armor from inside to outside in proper order, the cable core is formed by a plurality of electric units and a plurality of optical unit transposition, the electric unit includes conductor, electric unit fire-resistant belt, insulating layer, shielding layer from inside to outside in proper order, the optical unit includes painted optic fibre, microbeam pipe, flexible armour pipe, reinforcement, optical unit fire-resistant belt from inside to outside in proper order. The composite cable meets the requirements of low smoke, zero halogen, low toxicity, flame retardance, fire resistance (at 750 ℃ and above) and the like of cables for ships by optimizing structural design, material selection and process optimization, the reliability of the fire resistance of the photoelectric composite cable for ships is improved by designing three layers of fire-resistant layers of the optical unit and the electric unit, meanwhile, the composite structural design reduces the cable laying workload, accelerates the engineering progress, reduces the cable volume and effectively relieves the contradiction of space resources.

Description

Fire-resistant photoelectric composite cable for ships

Technical Field

The utility model mainly relates to a cable technical field is synthesized to photoelectricity, especially relates to a naval vessel is with fire-resistant photoelectricity cable of synthesizing.

Background

With the continuous improvement of automation, digitization and intelligence levels of ships, higher requirements on bandwidth, time delay, safety and the like of data transmission are provided. Compared with a data cable, the optical cable has the advantages of light weight, electromagnetic interference resistance, high bandwidth, low time delay and the like, so that the optical cable is widely applied to the field of ships, and the optical cable has a transmission function of a plurality of important data in the ships and forms a neural network of central nerves of the ships and warships. The photoelectric integrated cable is developed for solving the power consumption problem of optical communication equipment, integrates an optical cable and a cable into a whole, integrates optical communication and copper wire power transmission, solves the problems of broadband access, equipment power consumption, signal transmission and the like, and is more and more widely applied to the field of ships.

At present, new requirements on fire resistance (750 ℃ and above) are provided for cables applied to important parts of systems such as main and auxiliary power control, radar warning, communication command and the like in the field of ships, and few photoelectric composite cables capable of meeting the fire resistance requirements exist in the market. In the prior art, the fire-resistant optical cable and the fire-resistant cable are independently laid, and the fire-resistant optical cable and the fire-resistant cable respectively meet the requirement on fire resistance, but the defects that one of the fire-resistant optical cable and the fire-resistant cable needs to be laid at least twice or more, and the workload and the difficulty are increased by at least one time exist; and in order to meet the requirements of respective fire resistance, the material consumption, the cable volume and the like are doubled at least, and the resource contradiction of the internal wiring space of the ship is aggravated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, research and invent a naval vessel is with fire-resistant photoelectricity composite cable, aim at solving the defect that prior art scheme exists and design.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a naval vessel is with fire-resistant photoelectricity composite cable, includes cable core, enhancement layer, interior sheath, flame retardant coating, outer sheath, armor from inside to outside in proper order, the cable core is formed by a plurality of electric units and a plurality of optical unit transposition, electric unit includes conductor, electric unit fire-resistant area, insulating layer, shielding layer from inside to outside in proper order, optical unit is including painted optic fibre, microbeam pipe, flexible armour pipe, reinforcement, optical unit fire-resistant area from inside to outside in proper order.

Further, the conductor is formed by the transposition of 19 diameter 0.2mm tinned copper single lines, the material of electrical unit fire-resistant tape is synthetic mica tape, and thickness is 0.14mm, the wall thickness of insulating layer is 0.5mm, the shielding layer adopts the tinned copper of weaving, and weaving density is more than or equal to 88%.

Furthermore, the colored optical fiber is made of one or more of a single-mode optical fiber B1, a single-mode optical fiber B6, a multi-mode optical fiber A1a and a multi-mode optical fiber A1B.

Furthermore, the microbeam tube is made of polyolefin, the flexible armor tube is formed and coated on the outer side of the microbeam tube in a gap spiral mode through a steel belt, the reinforcement is coated on the outer side of the flexible armor tube through woven aromatic polyamide fibers, the optical unit fire-resistant belt is made of a synthetic mica belt, and the covering rate is greater than or equal to 50%.

Further, the steel belt of the flexible armored pipe is 304 stainless steel.

Further, the reinforced layer is coated on the outer side of the cable core by woven aromatic polyamide fibers, the inner protective layer is made of ceramic polyolefin, the wall thickness is 1.0mm, the fire-resistant layer is made of a synthetic mica tape, the overlapping rate is greater than or equal to 50%, the outer protective layer is made of polyolefin, the armor layer is made of woven armor galvanized steel wires, the weaving density is greater than or equal to 88%, and the weaving angle is 30-60%.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of cable is synthesized to photoelectricity for naval vessel, through optimizing structural design, the material lectotype, process optimization, satisfy the naval vessel and use cable low cigarette, there is not halogen, low toxicity, it is fire-retardant, requirement such as fire-resistant (750 ℃ and above), the fire-resistant area of optical unit and electrical unit, the reliability of the fire resistance of the comprehensive cable of photoelectricity for naval vessel has been improved in the three-layer flame retardant coating design of the interior sheath of pottery polyolefin and flame retardant coating, composite structure design has reduced the cable and has laid work load simultaneously, engineering progress worker has been accelerated, the cable volume has been reduced simultaneously, space resource contradiction has effectively been alleviated.

The outermost layer of the photoelectric composite cable is designed by the metal armor layer, so that the direct influence of adverse factors such as dragging, extruding, scraping and rubbing on the outer protective layer in the laying process is avoided, the risks such as damage, scratching and deformation of the outer protective layer are reduced, and meanwhile, the metal armor layer has the function of protecting the photoelectric composite cable from damage of rodents (typical rodents), so that the reliability and the environmental adaptability of the photoelectric composite cable are improved.

Drawings

Fig. 1 is a schematic structural view of the fire-resistant photoelectric composite cable for ships of the present invention;

fig. 2 is another schematic structural diagram of the fire-resistant photoelectric composite cable for ships and warships of the present invention;

fig. 3 is a schematic structural view of an electrical unit according to the present invention;

fig. 4 is a schematic structural diagram of the light unit of the present invention;

wherein, 1, an armor layer; 2. an outer jacket; 3. a refractory layer; 4. an electrical unit; 5. a reinforcing layer; 6. a light unit; 7. an inner protective layer; 41. a shielding layer; 42. an insulating layer; 43. a conductor; 44. an electrical unit refractory band; 61. a light unit refractory band; 62. a reinforcement; 63. coloring the optical fiber; 64. a microbeam tube; 65 flexible armor tubing.

Detailed Description

The following further explains the embodiments of the present invention with reference to the drawings.

A fire-resistant photoelectric composite cable for ships comprises a cable core, a reinforcing layer 5, an inner protection layer 7, a fire-resistant layer 3, an outer protection layer 2 and an armor layer 1 from inside to outside in sequence.

The cable core is formed by twisting a plurality of electric units 4 and a plurality of optical units 6.

As shown in fig. 3, electricity unit 4 includes conductor 43, electricity unit fire-resistant tape 44, insulating layer 42 and shielding layer 41 from inside to outside in proper order, conductor 43 is formed through the transposition by 19 root diameter 0.2mm tinned copper single lines, electricity unit fire-resistant tape 44's material is synthetic mica tape, and thickness is 0.14mm, through wrapping the outside of mode cladding at conductor 43 around, and it is 30% or more to overlap the rate, insulating layer 42 adopts silane crosslinking polyolefin extrusion to form, and it can take place from the crosslinking through high temperature and high humidity or warm water soaking, and the wall thickness is 0.5mm, shielding layer 41 adopts tinned copper to weave the processing and forms, and the density of weaving is more than or equal to 88%.

As shown in fig. 4, the optical unit 6 includes, from inside to outside, a colored optical fiber 63, a microbeam tube 64, a flexible armor tube 65, a reinforcing member 62, and an optical unit fire-resistant band 61; the colored optical fiber 63 is formed by coloring optical fibers through different colors of resin, different optical fibers can be distinguished conveniently, the colored optical fiber is made of one or more of single-mode optical fiber B1, single-mode optical fiber B6, multi-mode optical fiber A1a and multi-mode optical fiber A1B, the micro-bundle tube 64 is made of polyolefin, the micro-bundle tube 64 covers the periphery of the colored optical fiber 63 to form a protective layer, the flexible armor tube 65 is formed by steel belts in a gap spiral mode and has the characteristics of flexibility and compression resistance, the steel belts are made of 304 stainless steel optimally and cover the outer side of the micro-bundle tube 64, the reinforcing piece 62 is made of aromatic polyamide fibers and covers the outer side of the flexible armor tube in a weaving mode, the optical unit fire-resistant belt 61 is made of a synthetic mica belt, and the covering rate is larger than or equal to 50%.

The reinforcing layer 5 is made of aromatic polyamide fiber and is coated on the outer side of the cable core in a weaving mode; the inner protective layer 7 is made of ceramic polyolefin, the ceramic polyolefin has fire resistance, can form a ceramic hard shell under the conditions of flame burning or high temperature, has better heat insulation and fire resistance effects, and has the optimal wall thickness of 1.0 mm; the material of the fire-resistant layer 3 is a synthetic mica tape, the synthetic mica tape is wrapped on the outer side of the inner protective layer 7 in a wrapping mode, the covering rate is more than or equal to 50%, the mica tape takes synthetic mica paper as a base material, glass fiber cloth is used as a single-side reinforcing material, the mica tape has high temperature resistance and combustion resistance, and the inner protective layer 7 and the fire-resistant layer 3 form a double-layer fire-resistant layer, so that the situation that flame directly or indirectly affects a reinforcing layer when a fire disaster happens can be avoided, and the tensile strength of the photoelectric composite cable is reduced; the outer protective layer 2 is made of polyolefin, so that the requirements of low smoke, zero halogen, flame retardance and low toxicity are met; the armor layer 1 is made of braided armor galvanized steel wires, the braiding density is more than or equal to 88%, and the braiding angle is 30-60 degrees, which is optimal.

Fig. 1 is a structure of a fire-resistant integrated optical/electrical cable for ships, which includes 2 electrical units 4 and 1 optical unit 6, and cable cores are formed by SZ twisting, so that flexibility of the integrated optical/electrical cable during bending can be improved and internal stress can be reduced, wherein the 2 electrical units 4 are independent from each other, and the optical unit 6 includes a 12-core optical fiber.

Fig. 2 is another structure of a ship fire-resistant optical-electrical composite cable, which includes 2 electrical units 4 and 2 optical units 6, and the cable core is formed by an SZ twisting method, so that flexibility of the optical-electrical composite cable during bending can be improved and internal stress can be reduced, the 2 electrical units 4 are independent, and the 2 optical units 6 respectively include 4-core optical fibers.

The fireproof photoelectric composite cable for the ships overcomes the defects that the existing fireproof optical cable and the existing fireproof cable for the ships are large in workload, long in construction period, occupy pipeline resources and the like when being laid independently, avoids direct influence of adverse factors such as dragging, extruding, scraping and rubbing on the outer protective layer in the laying process, reduces risks such as damage, scratching and deformation of the outer protective layer and improves reliability and environmental adaptability of the photoelectric composite cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or replace part of the technical features of the embodiments with equivalent alternatives, modifications, and improvements made within the spirit and principles of the present invention.

Claims (6)

1. The utility model provides a naval vessel is with fire-resistant photoelectricity cable of synthesizing, its characterized in that includes cable core, enhancement layer (5), interior sheath (7), flame retardant coating (3), outer sheath (2), armor (1) from inside to outside in proper order, the cable core is formed by a plurality of electrical unit (4) and a plurality of optical unit (6) transposition, electrical unit (4) include conductor (43), electrical unit fire-resistant belt (44), insulating layer (42), shielding layer (41) from inside to outside in proper order, optical unit (6) include painted optical fiber (63), microbeam pipe (64), flexible armour pipe (65), reinforcement (62), optical unit fire-resistant belt (61) from inside to outside in proper order.

2. The fire-resistant photoelectric composite cable for ships and warships according to claim 1, wherein the conductor (43) is formed by twisting 19 tin-plated copper single wires with the diameter of 0.2mm, the electric unit fire-resistant tape (44) is made of a synthetic mica tape and has the thickness of 0.14mm, the wall thickness of the insulating layer (42) is 0.5mm, the shielding layer (41) is made of braided tin-plated copper, and the braiding density is greater than or equal to 88%.

3. The fire-resistant optical-electrical composite cable for ships and warships according to claim 1, wherein the colored optical fiber (63) is made of one or more of a single-mode optical fiber B1, a single-mode optical fiber B6, a multi-mode optical fiber A1a and a multi-mode optical fiber A1B.

4. The fire-resistant optical/electrical composite cable for ships according to claim 1, wherein the micro bundle tube (64) is made of polyolefin, the flexible armor tube (65) is formed by a steel belt and coated on the outer side of the micro bundle tube (64) in a gap spiral manner, the reinforcing member (62) is coated on the outer side of the flexible armor tube (65) by woven aramid fibers, the optical unit fire-resistant belt (61) is made of a synthetic mica belt, and the overlapping rate is 50% or more.

5. The marine fire-resistant optical/electrical composite cable according to claim 4, wherein the steel strip of the flexible armor tube (65) is 304 stainless steel.

6. The fire-resistant photoelectric composite cable for the ships and warships according to claim 1, wherein the reinforcing layer (5) is coated outside the cable core by woven aramid fibers, the inner sheath (7) is made of ceramic polyolefin and has a wall thickness of 1.0mm, the fire-resistant layer (3) is made of a synthetic mica tape, the overlapping rate is greater than or equal to 50%, the outer sheath (2) is made of polyolefin, the armor layer (1) is made of woven armored galvanized steel wires, the weaving density is greater than or equal to 88%, and the weaving angle is 30-60 °.

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