CN209858798U

CN209858798U - Optical cable with dampproofing function

Info

Publication number: CN209858798U
Application number: CN201920632204.5U
Authority: CN
Inventors: 苏志刚
Original assignee: Anhui Changrong Fiber Optic Cable Technology Co Ltd
Current assignee: Anhui Changrong Fiber Optic Cable Technology Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2019-12-27
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses an optical cable with dampproofing function, strengthen the core including the center, the cable core has been arranged around strengthening the core in center, and the cable core includes the sleeve pipe, and sheathed tube inside is provided with optic fibre, and it has the sleeve pipe filler to fill between sleeve pipe and the optic fibre, and the outside of cable core is provided with interior sheath, and interior sheath uses the center to strengthen the core and for the center cladding outside the optical cable, and it has the cable core filler to fill between interior sheath and the optical cable, and the outside of interior sheath is provided with the outer jacket. This optical cable with dampproofing function is through setting up interior sheath, and interior sheath contains material such as insulating, fire prevention and dampproofing to make the optical cable reach isolated external electromagnetic interference, prevent the burning and prevent the purpose that wets, guarantee optical cable communication quality's good, through setting up the outer sheath, and the outer sheath contains material such as wear-resisting, corrosion-resistant and waterproof, thereby make the optical cable avoid can not continue the problem of using because of wearing and tearing are serious or corruption is serious in the external environment, guarantee that the optical cable can reach the purpose of using for a long time.

Description

Optical cable with dampproofing function

Technical Field

The utility model relates to a communication material technical field specifically is an optical cable with dampproofing function.

Background

With the continuous development of the communication industry, optical cables are widely applied, and a commonly used layer-stranded optical cable generally comprises a cable core, a cable core protective layer and a sheath; the cable core is formed by twisting a plurality of loose tubes containing optical fibers around a central reinforcing core, and when the required number of cores is less, a filling rope can be used for replacing part of the loose tubes, and all or part of gaps in the cable core can be filled with water-blocking materials; the cable core protective layer can be made of water-blocking materials, steel belts, aluminum belts and the like, and can even be a composite layer formed by coating the steel belts or the aluminum belts with plastic protective layers and a further composite layer formed by coating the protective layers with materials such as steel wires, steel belts or aluminum belts and the like; the sheath is usually plastic, and polyethylene, low smoke zero halogen polyethylene and the like are commonly used. The traditional optical cable has certain water resistance, but the performance in the aspects of heat insulation, moisture resistance, corrosion resistance and the like needs to be enhanced, so that the optical cable is easily influenced by the external climate environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical cable with dampproofing function possesses dampproofing, wear-resisting and corrosion-resistant advantage, has solved traditional optical cable and has received the easy problem of damaging of environmental impact.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optical cable with dampproofing function, strengthens core, cable core, interior sheath and outer jacket including the center, the cable core has been arranged around strengthening the core in center, the cable core includes the sleeve pipe, sheathed tube inside is provided with optic fibre, it has the sleeve pipe filler to fill between sleeve pipe and the optic fibre, the outside of cable core is provided with interior sheath, interior inoxidizing coating uses the center to strengthen the core and wraps outside the cable core, it has the cable core filler to fill between interior inoxidizing coating and the cable core, the outside of interior inoxidizing coating is provided with outer inoxidizing coating.

Preferably, the inner protection layer comprises a moisture-proof layer, a fireproof layer is arranged on the outer side of the moisture-proof layer, and an insulating layer is arranged on the outer layer of the fireproof layer.

Preferably, the outer jacket includes the waterproof layer, the outside of waterproof layer is provided with the anticorrosive coating, the outside of anticorrosive coating is provided with the wearing layer.

Preferably, the moisture-proof layer comprises a resin film and an EVA foaming layer, and the resin film covers the surface of the EVA foaming layer.

Preferably, the fireproof layer comprises a glass-magnesium fireproof layer and a density fiber layer, and the glass-magnesium fireproof layer is arranged on the upper side of the density fiber layer.

Preferably, the insulating layer comprises a crosslinked polyethylene coating and an ethylene propylene rubber layer, and the crosslinked polyethylene coating is arranged on the upper side of the ethylene propylene rubber layer.

Preferably, the waterproof layer comprises a modified asphalt waterproof layer.

Preferably, the anticorrosive layer comprises a trimerization ethylene anticorrosive layer and a perchloroethylene coating, and the perchloroethylene coating is arranged on the surface of the trimerization ethylene anticorrosive layer.

Preferably, the wear-resistant layer comprises wear-resistant rubber and nylon, and the nylon is arranged in the middle of the wear-resistant rubber.

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

1. the utility model discloses a set up interior sheath, and interior sheath contains materials such as insulating, fire prevention and dampproofing to make the optical cable reach isolated external electromagnetic interference, prevent the burning and prevent the purpose that wets, guarantee optical cable communication quality's good.

2. The utility model discloses a set up the outer jacket, and the outer jacket contains materials such as wear-resisting, corrosion-resistant and waterproof to make the optical cable avoid in the external environment serious or corrode the problem that can not continue to use seriously because of wearing and tearing, guarantee that the optical cable can reach the purpose of using for a long time.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a sectional view of the inner protective layer of the structure of the present invention;

FIG. 3 is a cross-sectional view of the outer sheath of the present invention;

FIG. 4 is a schematic structural view of the structural moisture barrier of the present invention;

FIG. 5 is a schematic structural view of the fire-proof layer of the present invention;

FIG. 6 is a schematic view of the structure of the insulating layer of the present invention;

FIG. 7 is a schematic view of the structure of the waterproof layer of the present invention;

FIG. 8 is a schematic structural view of the structural anticorrosive coating of the present invention;

fig. 9 is a schematic structural view of the wear-resistant layer of the present invention.

In the figure: the cable comprises a central reinforced core 1, a cable core 2, a sleeve 3, an optical fiber 4, an inner protective layer 5, a damp-proof layer 51, a 511 resin film, a 512EVA foaming layer, a fireproof layer 52, a 521 glass magnesium fireproof layer, a 522 density fiber layer, an insulating layer 53, a 531 crosslinked polyethylene coating, a 532 ethylene propylene rubber layer, a 6-sleeve filler, an outer protective layer 7, a 71 waterproof layer, a 711 modified asphalt waterproof layer, a 72 anticorrosive layer, a 721 tripolyethylene anticorrosive layer, a 722 perchloroethylene coating, a 73 wear-resistant layer, a 731 wear-resistant rubber, 732 nylon and an 8-cable core filler.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an optical cable with a moisture-proof function includes a central reinforced core 1, a cable core 2, an inner sheath 5 and an outer sheath 7, the central reinforced core 1 is preferably formed by twisting phosphated steel wires, the diameter of the central reinforced core 1 is 5mm, the strength is good, the tensile and anti-twisting capability is strong, and a good supporting function can be achieved, the cable core 2 is arranged around the central reinforced core 1, the cable core 2 includes a sleeve 3, an optical fiber 4 is arranged inside the sleeve 3, a sleeve filler 6 is filled between the sleeve 3 and the optical fiber 4, the sleeve filler 6 is made of fiber paste, and functions of sealing, water proofing, stress buffering and optical fiber protection are achieved, the inner sheath 5 is arranged outside the cable core 2, the inner sheath 5 covers the cable core 2 with the central reinforced core 1 as a center, a cable core filler 8 is filled between the inner sheath 5 and the cable core 2, and the cable core filler 8 is a glass, the inner protection layer 5 comprises a moisture-proof layer 51, the moisture-proof layer 51 comprises a resin film 511 and an EVA foaming layer 512, the resin film 511 covers the surface of the EVA foaming layer 512, EVA has oxidation resistance, good flexibility and moisture-proof effect, the outer surface of the EVA is plated with a resin layer, the water-blocking and moisture-proof effects are better, a fire-proof layer 52 is arranged on the outer side of the moisture-proof layer 51, the fire-proof layer 52 comprises a glass magnesium fire-proof layer 521 and a density fiber layer 522, and the glass magnesium fire-proof layer 521 is arranged on the upper side of the density fiber layer 522. The magnesium oxide fireproof layer 521 is prepared by mixing and processing active high-purity magnesium oxide, high-quality magnesium chloride, alkali-resistant glass fiber cloth and a high-performance modifier in proportion, has the outstanding advantages of fire prevention, heat preservation, no toxicity, no odor, no mildew, no corrosion, long service life and the like, the density fiber layer 522 is prepared by taking wood fibers as raw materials, applying synthetic resin and heating and pressurizing, and has the functions of moisture prevention and heat preservation, the outer layer of the fireproof layer 52 is provided with an insulating layer 53, the insulating layer 53 comprises a crosslinked polyethylene coating 531 and an ethylene propylene rubber layer 532, the crosslinked polyethylene coating 531 is arranged on the upper side of the ethylene propylene rubber layer 532, the crosslinked polyethylene has excellent electrical insulating property, becomes a thermosetting material after macromolecular crosslinking, has good mechanical property and heat resistance, the ethylene propylene rubber has large temperature-adaptive range and is cold and high temperature resistant, the crosslinked polyethylene coating 531 is coated on the surface of the ethylene propylene rubber layer 532, so that the optical, the outer protective layer 7 comprises a waterproof layer 71, the waterproof layer 71 comprises a modified asphalt waterproof layer 711, the modified asphalt waterproof layer is impregnated with styrene-butadiene-styrene (SBS) thermoplastic elastomer modified asphalt, a polyester felt is used as a base, the upper surface of the modified asphalt waterproof layer is coated with a curled sheet waterproof material made of polyethylene film and other isolating materials, the cable has the advantages of strong pressure water resistance, tearing resistance, corrosion resistance, high tensile strength, high elongation and the like, the waterproof performance of the cable is effectively ensured, the outer side of the waterproof layer 71 is provided with an anticorrosive layer 72, the anticorrosive layer 72 comprises a trichloroethylene anticorrosive layer 721 and a perchloroethylene coating 722, the perchloroethylene coating 722 is arranged on the surface of the trichloroethylene anticorrosive layer 721, the perchloroethylene has the performances of seawater resistance, acid resistance, oil resistance, salt mist resistance, mildew resistance, combustion resistance and the like, the trichloroethylene has good mechanical strength, ageing resistance, anode peeling resistance and the like, the perchloroethylene coating 722 is coated on the surface of the trimerization ethylene anticorrosive coating 721, so that the corrosion resistance of the optical cable is more excellent, the wear-resistant coating 73 is arranged on the outer side of the anticorrosive coating 72, the wear-resistant coating 73 comprises wear-resistant rubber 731 and nylon 732, the nylon 732 is arranged in the middle of the wear-resistant rubber 731, and the nylon 732 is arranged in the wear-resistant rubber 731, so that the toughness of the wear-resistant rubber 731 is better, and the purpose of enabling the optical cable to be used for a long time is achieved.

In summary, the following steps: this optical cable with dampproofing function, through the dampproofing course 51 of plating one deck resin film 511 and making on the surface of EVA foaming layer 512, have oxidation resistance, good pliability and dampproofing effect, make the optical cable reach dampproofing effect of blocking water, guarantee the normal of optical cable communication, the surface of the tripolymerization ethylene anticorrosive coating 721 in the anticorrosive coating 72 scribbles perchloroethylene coating 722, make the corrosion resistance of optical cable more superior, arrange nylon 732 in the inside of wear-resisting rubber 731 and make the toughness of wear-resisting rubber 731 better, thereby reach the purpose that makes the optical cable use for a long time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An optical cable with moisture-proof function, comprising a central reinforcing core (1), characterized in that: the cable core (2) is arranged around the central reinforced core (1), the cable core (2) comprises a sleeve (3), optical fibers (4) are arranged inside the sleeve (3), sleeve fillers (6) are filled between the sleeve (3) and the optical fibers (4), an inner protective layer (5) is arranged on the outer side of the cable core (2), the central reinforced core (1) is wrapped outside the cable core (2) in the inner protective layer (5), cable core fillers (8) are filled between the inner protective layer (5) and the cable core (2), and an outer protective layer (7) is arranged on the outer side of the inner protective layer (5).

2. The optical cable with moisture-proof function as claimed in claim 1, wherein: interior sheath (5) are including dampproof course (51), the outside of dampproof course (51) is provided with flame retardant coating (52), the skin of flame retardant coating (52) is provided with insulating layer (53).

3. The optical cable with moisture-proof function as claimed in claim 1, wherein: the outer jacket (7) comprises a waterproof layer (71), an anticorrosive layer (72) is arranged on the outer side of the waterproof layer (71), and a wear-resistant layer (73) is arranged on the outer side of the anticorrosive layer (72).

4. The optical cable with moisture-proof function as claimed in claim 2, wherein: the moisture-proof layer (51) comprises a resin film (511) and an EVA foaming layer (512), and the resin film (511) covers the surface of the EVA foaming layer (512).

5. The optical cable with moisture-proof function as claimed in claim 2, wherein: the fireproof layer (52) comprises a glass magnesium fireproof layer (521) and a density fiber layer (522), and the glass magnesium fireproof layer (521) is arranged on the upper side of the density fiber layer (522).

6. The optical cable with moisture-proof function as claimed in claim 2, wherein: the insulating layer (53) comprises a crosslinked polyethylene coating (531) and an ethylene propylene rubber layer (532), and the crosslinked polyethylene coating (531) is arranged on the upper side of the ethylene propylene rubber layer (532).

7. The optical cable with moisture-proof function as claimed in claim 3, wherein: the waterproof layer (71) comprises a modified asphalt waterproof layer (711).

8. The optical cable with moisture-proof function as claimed in claim 3, wherein: the anticorrosive layer (72) comprises a trimerization ethylene anticorrosive layer (721) and a perchloroethylene coating layer (722), and the perchloroethylene coating layer (722) is arranged on the surface of the trimerization ethylene anticorrosive layer (721).

9. The optical cable with moisture-proof function as claimed in claim 3, wherein: the wear-resistant layer (73) comprises wear-resistant rubber (731) and nylon (732), and the nylon (732) is arranged in the middle of the wear-resistant rubber (731).