CN219610084U

CN219610084U - Fireproof optical cable

Info

Publication number: CN219610084U
Application number: CN202320421690.2U
Authority: CN
Inventors: 杨建�
Original assignee: Shenzhen Guangyu Zhilian Technology Co ltd
Current assignee: Shenzhen Guangyu Zhilian Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-08-29
Anticipated expiration: 2033-03-08

Abstract

The utility model relates to the technical field of optical cables, in particular to a fireproof optical cable, which comprises a central reinforcing core, wherein a plurality of conductor structures are tightly adhered to the outer surface of the central reinforcing core at equal distance, mineral substance bags are sleeved on the outer surfaces of the conductor structures together, cable pastes are connected among the mineral substance bags, the conductor structures and the central reinforcing core in a penetrating mode together, inner jackets are sleeved on the outer surfaces of the mineral substance bags, water-blocking yarns are sleeved on the outer surfaces of the inner jackets, copper jacket isolation layers are sleeved on the outer surfaces of the water-blocking yarns, polyethylene jackets are sleeved on the outer surfaces of the copper jacket isolation layers, and flame-retardant outer jackets are sleeved on the outer surfaces of the polyethylene jackets. According to the fireproof optical cable, the copper sheath isolation layer is arranged, so that the high temperature resistance of the optical cable can be improved, and the polyethylene sheath is arranged, so that the copper sheath isolation layer can be protected, and the corrosion resistance of the copper sheath isolation layer can be improved.

Description

Fireproof optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to a fireproof optical cable.

Background

Optical cables are manufactured to meet optical, mechanical or environmental performance specifications by utilizing one or more optical fibers disposed in a covering sheath as a transmission medium and which may be used alone or in groups, and the present fireproof optical cable has at least the following drawbacks in use: 1. the external aging corrosion of the existing optical cable after long-term use can cause the poor fireproof performance of the cable, reduce the fire resistance and have low safety; 2. the existing optical cable has low fireproof performance, and the optical cable can cause fire due to high temperature in the use process, so that communication is affected, and the difficulty in escaping and disaster relief in the fire is improved, so that a novel fireproof optical cable is provided.

Disclosure of Invention

The utility model mainly aims to provide a fireproof optical cable which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a fire prevention optical cable, includes central enhancement core, the equidistant close-fitting of central enhancement core surface has a plurality of conductor structure, the mineral substance bag has been cup jointed jointly to conductor structure surface, interlude is connected with cable cream jointly between mineral substance bag, conductor structure and the central enhancement core, the inner sheath has been cup jointed to mineral substance bag surface, the inner sheath surface has cup jointed the yarn that blocks water, the copper sheath isolation layer has been cup jointed to the yarn surface that blocks water, the polyethylene sheath has been cup jointed to copper sheath isolation layer surface, the fire-retardant oversheath has been cup jointed to polyethylene sheath surface.

Preferably, the conductor structure comprises a conductor body, fine cream has been cup jointed to conductor body surface, fine cream surface has cup jointed first mica tape, polyester area has been cup jointed to first mica tape surface, polyester area surface has cup jointed the filler material, the filler material surface has cup jointed loose pipe cover, loose pipe cover interlude is connected in mineral substance bag.

Preferably, the first mica tape comprises synthetic mica paper, the upper end and the lower end of the loose tube sleeve are both provided with silicone adhesives, one ends, far away from the synthetic mica paper, of the two silicone adhesives are both adhered with glass fiber cloth, and the upper part of the glass fiber cloth is clung to the polyester tape.

Preferably, the conductor body comprises a copper core stranded conductor, the copper core stranded conductor is provided with a plurality of copper core stranded conductors, the outer surfaces of the copper core stranded conductors are sleeved with second mica tapes together, and the second mica tapes are clung to the fiber paste together.

Preferably, the second mica tape and the first mica tape have the same structure and the same connection mode.

Compared with the prior art, the utility model has the following beneficial effects:

1. the polyethylene sheath and the flame-retardant outer sheath are arranged, so that the copper sheath isolation layer can be protected from corrosion in a wet environment, and the waterproof yarn, the inner sheath and the mineral substance bag are arranged for safety protection, so that the waterproof and dampproof performances are improved, the service life of the cable is prolonged, and the safety is improved;

2. through setting up the conductor structure, become the copper core transposition conductor through the transposition of a plurality of copper pole line to the surface with a plurality of copper core transposition conductor is around wrapping second mica tape and is become a set of conductor body, and rethread first mica tape is wrapped, thereby through polyester area, first mica tape and the second mica tape that set up, is wrapped copper core transposition conductor with it, has improved the fire-retardant fire resistance of conductor, simultaneously, through the copper sheath isolation layer of setting up protection, keep the communication normal under long-time burning, flee when giving first place to disaster relief and provide the safety guarantee.

Drawings

FIG. 1 is a schematic view of the overall structure of a fire-resistant optical cable according to the present utility model;

FIG. 2 is a cross-sectional view of the conductor structure of a fire-resistant optical cable according to the present utility model;

FIG. 3 is a cross-sectional view of the first mica tape of a fire-resistant optical cable according to the present utility model;

fig. 4 is a cross-sectional view showing the overall structure of a conductor body of a fire-resistant optical cable according to the present utility model.

In the figure: 1. a flame retardant outer sheath; 2. a polyethylene sheath; 3. a copper sheath isolation layer; 4. a water blocking yarn; 5. an inner sheath; 6. mineral packaging bags; 7. cable paste; 8. a conductor structure; 9. a central reinforcing core; 81. a loose tube sleeve; 82. filling materials; 83. a polyester tape; 84. a first mica tape; 85. a fiber paste; 86. a conductor body; 841. synthesizing mica paper; 842. a silicone adhesive; 843. glass fiber cloth; 861. copper core stranded conductors; 862. and a second mica tape.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the fireproof optical cable comprises a central reinforcing core 9, wherein a plurality of conductor structures 8 are tightly attached to the outer surface of the central reinforcing core 9 at equal intervals, mineral substance bags 6 are sleeved on the outer surfaces of the conductor structures 8 together, cable pastes 7 are connected among the mineral substance bags 6, the conductor structures 8 and the central reinforcing core 9 in a penetrating mode, inner jackets 5 are sleeved on the outer surfaces of the mineral substance bags 6, water-blocking yarns 4 are sleeved on the outer surfaces of the inner jackets 5, copper jacket isolation layers 3 are sleeved on the outer surfaces of the water-blocking yarns 4, polyethylene jackets 2 are sleeved on the outer surfaces of the copper jacket isolation layers 3, and flame-retardant outer jackets 1 are sleeved on the outer surfaces of the polyethylene jackets 2; through setting up copper sheath isolation layer 3, because of the fusing point of copper is 1083.4 degrees, can be inside the effectual protection cable, through setting up polyethylene sheath 2, can protect copper not receive the corruption under moist environment, through setting up yarn 4 and inner sheath 5 that block water, ensure good dampproofing performance that blocks water.

In this embodiment, the conductor structure 8 includes a conductor body 86, the outer surface of the conductor body 86 is sleeved with a fiber paste 85, the outer surface of the fiber paste 85 is sleeved with a first mica tape 84, the outer surface of the first mica tape 84 is sleeved with a polyester tape 83, the outer surface of the polyester tape 83 is sleeved with a filling material 82, the outer surface of the filling material 82 is sleeved with a loose tube sleeve 81, and the loose tube sleeve 81 is connected in the mineral matter bag 6 in a penetrating manner; the first mica tape 84 comprises synthetic mica paper 841, silicone adhesives 842 are arranged at the upper end and the lower end of the loose tube sleeve 81, glass fiber cloth 843 is adhered to one end, away from the synthetic mica paper 841, of each of the two silicone adhesives 842, and the upper glass fiber cloth 843 is tightly attached to the polyester tape 83; the conductor body 86 comprises a plurality of copper core stranded conductors 861, the outer surfaces of the copper core stranded conductors 861 are jointly sleeved with a second mica tape 862, and the second mica tape 862 is tightly attached to the fiber paste 85; the second mica tape 862 is identical to the first mica tape 84 in structure and in the same manner; by providing the conductor structure 8 to a transmissible medium, by providing the first mica tape 84 and the second mica tape 862, heat resistance is improved, by providing the paste 85, the conductor body 86 can be protected, by providing the polyester tape 83, flame retardance and fire resistance are improved.

It should be noted that, in the use process, the utility model is a fireproof optical cable, through drawing copper rods into copper single wires, twisting a plurality of copper rods into copper core twisted conductors 861, wrapping the outer surfaces of a plurality of copper core twisted conductors 861 around a second mica tape 862 to form a group of conductor bodies 86, combining a plurality of conductor bodies 86 together, wrapping the conductor bodies through a first mica tape 84, simultaneously filling special fiber paste 85 between the conductor bodies 86 and the first mica tape 84, thereby protecting the conductor bodies 86, wrapping the outer surfaces of the first mica tape 84 around a polyester tape 83, sleeving the polyester tape 83 in a loose tube sleeve 81, filling filler 82 in the loose tube sleeve 81 and the polyester tape 83, enhancing the strength of the cable through inserting a central reinforcing core 9 between a plurality of conductor structures 8, wrapping the cable paste 7 and the conductor structures 8 together through a mineral wrapping bag 6 to be inorganic matters, generating no smoke in the combustion process, sleeving the inner protective layer 5 and the outer surfaces of the insulating layer 4, enhancing the moisture-blocking performance, sleeving the outer surfaces of the insulating layer 4, sleeving the insulating layer 3 inside the copper protective layer 3, and protecting the insulating layer 3 from being damaged by the copper protective layer 3, and protecting the copper protective layer 3 from being corroded in the copper protective layer 3.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A fire-resistant optical cable comprising a central reinforcing core (9), characterized in that: the cable is characterized in that a plurality of conductor structures (8) are tightly attached to the outer surface of the central reinforcing core (9) at equal intervals, mineral substance bags (6) are jointly sleeved on the outer surfaces of the conductor structures (8), cable pastes (7) are jointly connected between the mineral substance bags (6), the conductor structures (8) and the central reinforcing core (9) in a penetrating mode, an inner sheath (5) is sleeved on the outer surface of the mineral substance bags (6), water-blocking yarns (4) are sleeved on the outer surface of the inner sheath (5), copper sheath isolation layers (3) are sleeved on the outer surfaces of the water-blocking yarns (4), polyethylene sheaths (2) are sleeved on the outer surfaces of the copper sheath isolation layers (3), and flame-retardant outer sheaths (1) are sleeved on the outer surfaces of the polyethylene sheaths (2);

the conductor structure (8) comprises a conductor body (86), fine cream (85) is sleeved on the outer surface of the conductor body (86), first mica tape (84) is sleeved on the outer surface of the fine cream (85), polyester tape (83) is sleeved on the outer surface of the first mica tape (84), filling material (82) is sleeved on the outer surface of the polyester tape (83), loose pipe sleeves (81) are sleeved on the outer surface of the filling material (82), and the loose pipe sleeves (81) are connected in a mineral matter bag (6) in a penetrating mode.

2. A fire resistant optical cable according to claim 1, wherein: the first mica tape (84) comprises synthetic mica paper (841), silicone adhesives (842) are arranged at the upper end and the lower end of the loose tube sleeve (81), glass fiber cloth (843) is adhered to one ends, far away from the synthetic mica paper (841), of the two silicone adhesives (842), and the upper portion of the glass fiber cloth (843) is tightly attached to the polyester tape (83).

3. A fire resistant optical cable according to claim 1, wherein: the conductor body (86) comprises a copper core stranded conductor (861), the copper core stranded conductor (861) is provided with a plurality of copper core stranded conductors, a second mica tape (862) is sleeved on the outer surface of each copper core stranded conductor (861), and the second mica tape (862) and the fiber paste (85) are clung together.

4. A fire resistant optical cable according to claim 3, wherein: the second mica tape (862) and the first mica tape (84) are identical in structure and identical in connection mode.