CN214099185U

CN214099185U - Optical fiber composite overhead insulation control cable

Info

Publication number: CN214099185U
Application number: CN202022749224.6U
Authority: CN
Inventors: 徐文品
Original assignee: Jiangsu Jingwei Cable Co ltd
Current assignee: Jiangsu Jingwei Cable Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-31
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to the technical field of cables, specific compound built on stilts insulated control cable of optic fibre that says so, including three group's electric cores, electric core from interior to exterior includes copper conductor, electric insulation layer and shielding layer in proper order, three groups electricity core middle part is provided with the enhancement core, and is adjacent two sets of space department between the electricity core is provided with a set of optical core and two sets of packing ropes respectively, the optical core includes optic fibre, loose tube, oleamen filling layer and light insulation layer. The utility model has the advantages that through the arrangement of the reinforcing core, the structural strength of the cable is enhanced, and simultaneously the cable has the effects of preventing biting and ants; the arrangement of the electric insulating layer and the optical insulating layer improves the overall insulating property of the cable and ensures the use safety of the cable; the water-blocking damp-proof and shock-resistant performance of the cable is improved by the arrangement of the water-blocking paste filling layer; through the setting of inner cushion layer, galvanized steel wire armor and outer jacket, strengthened the mechanical strength of cable, heat-resisting, cold-resistant and corrosion resisting property.

Description

Optical fiber composite overhead insulation control cable

Technical Field

The utility model relates to the technical field of cables, specifically be a compound built on stilts insulated control cable of optic fibre.

Background

The optical fiber composite overhead insulated control cable integrates the functions of optical fiber communication and power transmission, integrates an optical cable and a power line, avoids secondary unlimited and reduces engineering cost. The existing optical fiber composite overhead insulation control cable has low structural strength, is easy to cause the condition of cable damage in the process of stay wire wiring, is easy to be corroded by the external environment after being used for a period of time, and cannot ensure the use safety of the cable. Therefore, the optical fiber composite overhead insulated control cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound built on stilts insulated control cable of optic fibre to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound built on stilts insulated control cable of optic fibre, includes three group's electric cores, electric core from interior to exterior includes copper conductor, electrical insulation layer and shielding layer in proper order, three groups electric core middle part is provided with strengthens the core, and is adjacent two sets of space department between the electric core is provided with a set of light core and two sets of packing rope respectively, the light core includes optic fibre, loose tube, oleamen filling layer and light insulation layer, electric core, light core and packing rope outside are provided with the band layer, the inside space department that just is located electric core, enhancement core, light core and packing rope of band layer is filled with the water blocking cream filling layer, the band layer outside is provided with the inner cushion layer, the inner cushion layer outside is provided with galvanized steel wire armor, the galvanized steel wire armor outside is provided with the outer jacket.

As a further optimization of the technical scheme, the loose tube is located outside the optical fiber, the optical insulation layer is located outside the loose tube, and the factice filling layer is filled in a gap between the loose tube and the optical core.

As a further optimization of the technical scheme, the electrical insulating layer and the optical insulating layer are both crosslinked polyethylene insulating layers.

As a further optimization of the technical scheme, the reinforced core is a glass steel core, and the filling rope is a polypropylene filling rope.

As a further optimization of the technical scheme, the inner cushion layer is a polypropylene rope winding layer, and the outer protective layer is a polyethylene sheath layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model arranges the reinforced cores at the centers of the three groups of electric cores, the reinforced cores adopt the glass steel core, and the glass steel core has the advantages of bite prevention, termite prevention and light weight, thereby enhancing the structural strength of the cable and simultaneously having the effects of bite prevention and termite prevention; an electric insulating layer and an optical insulating layer are respectively arranged on the outer sides of the electric core and the optical core, and the electric insulating layer and the optical insulating layer are both crosslinked polyethylene insulating layers, so that the insulativity of the electric core and the optical core is improved, the integral insulating property of the cable is further improved, and the use safety of the cable is ensured; the gaps among the belting layer, the electric core, the reinforced core, the optical core and the filling rope are filled with a water-blocking paste filling layer which has the functions of water blocking, moisture proofing and buffering, so that the water blocking, moisture proofing and impact resistance of the cable are improved; the inner cushion layer, the galvanized steel wire armor layer and the outer protective layer are sequentially arranged on the outer side of the belting layer, so that the mechanical strength, heat resistance, cold resistance and corrosion resistance of the cable are enhanced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the cell structure of the present invention;

fig. 3 is a schematic view of the optical core structure of the present invention.

In the figure: 1. an electric core; 101. a copper conductor; 102. an electrically insulating layer; 103. a shielding layer; 2. a reinforcing core; 3. an optical core; 301. an optical fiber; 302. loosening the sleeve; 303. an ointment filling layer; 304. a light insulating layer; 4. filling a rope; 5. a belting layer; 6. a water-blocking paste filling layer; 7. an inner cushion layer; 8. a galvanized steel wire armor layer; 9. an outer jacket.

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. 1-3, the present invention provides a technical solution: an optical fiber composite overhead insulation control cable comprises three groups of electric cores 1, wherein the electric cores 1 sequentially comprise a copper conductor 101, an electric insulation layer 102 and a shielding layer 103 from inside to outside.

Three 1 middle parts of group's electric core are provided with the reinforcement core 2, and is concrete, and the reinforcement core 2 adopts the glass steel core, is located the center department of cable, has strengthened cable structural strength to have the advantage that prevents stinging, prevent ant and the quality is light. A group of optical cores 3 and two groups of filling ropes 4 are respectively arranged at the gap between two adjacent groups of electric cores 1, and specifically, the filling ropes 4 are polypropylene filling ropes.

The optical core 3 comprises an optical fiber 301, a loose tube 302, a paste filling layer 303 and an optical insulation layer 304, wherein the loose tube 302 is positioned outside the optical fiber 301, the optical insulation layer 304 is positioned outside the loose tube 302, and the paste filling layer 303 is filled in a gap between the loose tube 302 and the optical core 3.

Electric core 1, optical core 3 and the 4 outsides of filling rope are provided with band layer 5, and the inside and the gap department that is located electric core 1, enhancement core 2, optical core 3 and filling rope 4 of band layer 5 is filled with water-blocking paste filling layer 6, has the effect of the dampproofing and buffering of blocking water.

The inner cushion layer 7 is arranged on the outer side of the belting layer 5, specifically, the inner cushion layer 7 is a polypropylene rope winding layer, and the inner cushion layer 7 has heat resistance, corrosion resistance and stronger bending fatigue resistance. The outer side of the inner cushion layer 7 is provided with a galvanized steel wire armor layer 8, and the galvanized steel wire armor layer 8 increases the mechanical strength of the cable and improves the anti-corrosion capability of the cable. An outer protective layer 9 is arranged on the outer side of the galvanized steel wire armor layer 8, and the outer protective layer 9 is a polyethylene sheath layer and has heat resistance, cold resistance and corrosion resistance.

Specifically, the electrical insulating layer 102 and the optical insulating layer 304 are both crosslinked polyethylene insulating layers, which improves the insulating properties of the electrical core 1 and the optical core 3.

Specifically, when the cable is used, the reinforced cores 2 are arranged at the centers of the three groups of electric cores 1, the reinforced cores 2 adopt glass steel cores, and the glass steel cores have the advantages of being anti-biting and anti-termite and light in weight, so that the structural strength of the cable is enhanced, and the cable has the effects of being anti-biting and anti-termite; the electric insulation layer 102 and the optical insulation layer 304 are respectively arranged on the outer sides of the electric core 1 and the optical core 3, and the electric insulation layer 102 and the optical insulation layer 304 are both crosslinked polyethylene insulation layers, so that the insulativity of the electric core 1 and the optical core 3 is improved, the integral insulation performance of the cable is further improved, and the use safety of the cable is ensured; a water-blocking paste filling layer 6 is filled in gaps among the belting layer 5, the electric core 1, the reinforced core 2, the optical core 3 and the filling rope 4, and the water-blocking paste filling layer 6 has the functions of water blocking, moisture proofing and buffering, so that the water blocking, moisture proofing and impact resistance of the cable are improved; the inner cushion layer 7, the galvanized steel wire armor layer 8 and the outer protective layer 9 are sequentially arranged on the outer side of the belting layer 5, so that the mechanical strength, heat resistance, cold resistance and corrosion resistance of the cable are enhanced.

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. The utility model provides a compound built on stilts insulated control cable of optic fibre, includes three group's electric cores (1), its characterized in that: the battery cell (1) sequentially comprises a copper conductor (101), an electric insulating layer (102) and a shielding layer (103) from inside to outside, the middle parts of three groups of battery cells (1) are provided with a reinforcing core (2), a gap between two adjacent groups of battery cells (1) is respectively provided with a group of optical core (3) and two groups of filling ropes (4), the optical core (3) comprises an optical fiber (301), a loose tube (302), an ointment filling layer (303) and an optical insulating layer (304), the outer sides of the battery cells (1), the optical core (3) and the filling ropes (4) are provided with a wrapping layer (5), the gap inside the wrapping layer (5) and located between the battery cells (1), the reinforcing core (2), the optical core (3) and the filling ropes (4) is filled with a water-blocking paste filling layer (6), the outer side of the wrapping layer (5) is provided with an inner cushion layer (7), and the outer side of the inner cushion layer (7) is provided with a steel wire armor layer (8), an outer protective layer (9) is arranged on the outer side of the galvanized steel wire armor layer (8).

2. The optical fiber composite overhead insulated control cable according to claim 1, wherein: the loose tube (302) is positioned outside the optical fiber (301), the optical insulation layer (304) is positioned outside the loose tube (302), and the ointment filling layer (303) is filled in a gap between the loose tube (302) and the optical core (3).

3. The optical fiber composite overhead insulated control cable according to claim 1, wherein: the electrical insulation layer (102) and the optical insulation layer (304) are both crosslinked polyethylene insulation layers.

4. The optical fiber composite overhead insulated control cable according to claim 1, wherein: the reinforced core (2) is a glass steel core, and the filling rope (4) is a polypropylene filling rope.

5. The optical fiber composite overhead insulated control cable according to claim 1, wherein: the inner cushion layer (7) is a polypropylene rope winding layer, and the outer protective layer (9) is a polyethylene sheath layer.