CN215067449U

CN215067449U - Self-melting ice composite cable

Info

Publication number: CN215067449U
Application number: CN202120955103.9U
Authority: CN
Inventors: 石佳倩; 李苏盈; 季静
Original assignee: Jiangsu Tongguang Information Co ltd
Current assignee: Jiangsu Tongguang Information Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-07
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a self-melting ice integrated cable, which comprises a cable core positioned in the center, wherein a plurality of layers of glass yarns are wound and twisted outside the cable core, a flame-retardant sheath is extruded outside the glass yarns, and an elastomer protective layer is extruded outside the flame-retardant sheath; an electric heating piece is longitudinally wrapped between the flame-retardant sheath and the elastomer protective layer, and a wrapping belt is longitudinally wrapped between the flame-retardant sheath and the electric heating piece. The utility model discloses have practicality, security, fire resistance and expansibility, can provide stable signal transmission, realize the bending repeatedly and twist reverse and have and generate heat from ice-melt function. The ice melting can be implemented when the composite cable works, and the normal operation of the composite cable cannot be influenced. Can be used in places which are easy to fall snow and freeze and need ice coating prevention, such as high altitude, large span and the like, and extremely cold regions with the perennial temperature lower than-70 ℃ such as south pole, north pole and the like.

Description

Self-melting ice composite cable

Technical Field

The utility model relates to a from ice-melt cable technical field, especially relate to a from ice-melt composite cable.

Background

With the development of socio-economy, the demands of national power, communication and other lines are increasing. In winter, communication and power systems in China can be impacted by wind and snow, particularly in the north, the cables are frequently coated with ice, and once the thickness of the ice layer is exceeded, the cables are damaged. Therefore, deicing of cables in winter is indispensable and very important.

Prior art CN 203786354U discloses an ice-melting self-supporting aerial cable. However, the technology still has some defects: flexibility and expansibility are general, and repeated bending torsion cannot be resisted. The invention relates to a self-melting ice composite cable which has good and stable signal transmission, a heating self-melting ice function, good expansibility, excellent flame retardant property and repeated bending and twisting.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defects, the utility model aims to provide a from ice-melt composite cable. The integrated cable has the functions of strong practicability, heating self-melting ice, data transmission, expandability and the like. The electric heating sheet of the comprehensive cable tool is started during ice coating, so that ice and snow on the surface of the comprehensive cable can be quickly melted.

In order to achieve the above object, the utility model discloses a following technical scheme realizes: a self-melting ice composite cable comprises a cable core positioned in the center, wherein a plurality of layers of glass yarns are wound outside the cable core and are used for providing tension and blocking water. The glass yarn is extruded to form the flame-retardant sheath, the flame-retardant sheath is extruded to form the elastomer protective layer, and the elastomer protective layer has insulation, flame retardance, protection, repeated bending and good torsion performance. An electric heating piece is longitudinally wrapped between the flame-retardant sheath and the elastomer protective layer, and a wrapping belt is longitudinally wrapped between the flame-retardant sheath and the electric heating piece. The electric heating sheet is turned on when being coated with ice, so that ice and snow on the surface of the composite cable can be quickly melted. The electric heating sheet can generate heat, so that heat insulation is required to be carried by the electric heating sheet to prevent the electric heating sheet from influencing signal transmission. The flame-retardant sheath is used for preventing the electric heating piece from spontaneous combustion.

Furthermore, the electric heating piece is an electric heating flexible belt with temperature control. The electric heating flexible belt has good flexibility and can be repeatedly bent and twisted.

Furthermore, the cable core comprises a central reinforcing part, a loose tube, a water-blocking material and a plastic air blowing tube, wherein the loose tube, the water-blocking material and the plastic air blowing tube are twisted on the outer surface of the central reinforcing part; and a water blocking yarn and an optical fiber are arranged in the loose tube. The optical fiber is used for transmitting data. The water-blocking yarn and the water-blocking material are used for blocking water and filling gaps among cables. Reserve plastics gas blowpipe or place other suitable wires according to user's needs, also can the suitable wire rod of air-blast in the plastics gas blowpipe, consequently also possessed good expansibility.

Furthermore, the cable core further comprises a filling rope, and the filling rope, the loose tube, the water-blocking material and the plastic air blowing tube are jointly twisted on the outer surface of the central reinforcing part. The filling rope can keep the roundness of the cable core and improve the roundness of the finished product of the composite cable. Meanwhile, the filling rope can also assist in improving the tensile and swing resistance of the composite cable.

Further, the water blocking yarn is a high-expansion water blocking yarn with the linear density of 700D-1000D, the optical fiber is a colored single-mode or multi-mode optical fiber, the loose tube is made of polybutylene terephthalate, the water blocking material is a water blocking yarn with the linear density of 3000D-5000D, the central reinforcing part is a non-metal reinforcing part or a metal reinforcing part with plastic sleeving, and the plastic air blowing tube is a polyethylene silicon core tube.

Furthermore, the filling rope is made of polypropylene or polyethylene, and the high-temperature resistance and the fireproof performance of the cable core are improved.

Further, the glass yarn is a water-blocking glass yarn with the linear density of 600T or 1200T, the flame-retardant sheath is made of low-smoke halogen-free polyolefin, the wrapping tape is a double-sided fiber cloth gold mica tape or other suitable heat-insulating and heat-resisting tapes, and the elastomer protective layer is made of flame-retardant polyethylene.

The utility model has the advantages that: and paying off the plurality of optical fibers and the plurality of water-blocking yarns, and extruding the loose tubes outside. And then paying off a plurality of loose tubes, a plurality of possible filling ropes, a water-blocking material and a plurality of plastic air blowing tubes, twisting by taking a central reinforcing piece as an axis to form a cable core, then winding a plurality of layers of glass yarns outside the cable core and extruding a flame-retardant sheath outside, then longitudinally wrapping a wrapping belt outside the flame-retardant sheath, longitudinally wrapping an electric heating sheet outside the wrapping belt, and finally extruding an elastomer sheath outside the cable core. The utility model discloses have practicality, security, fire resistance and expansibility, can provide stable signal transmission, realize the bending repeatedly and twist reverse and have and generate heat from ice-melt function. The ice melting can be implemented when the composite cable works, and the normal operation of the composite cable cannot be influenced. Can be used in places which are easy to fall snow and freeze and need ice coating prevention, such as high altitude, large span and the like, and extremely cold regions with the perennial temperature lower than-70 ℃ such as south pole, north pole and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Wherein: 1. the cable comprises water-blocking yarns, 2 optical fibers, 3 loose tubes, 4 water-blocking materials, 5 central reinforcing parts, 6 plastic air blowing tubes, 7 filling ropes, 8 glass yarns, 9 flame-retardant sheaths, 10 wrapping belts, 11 electric heating sheets, 12 elastomer sheaths.

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, the present invention provides a technical solution: a self-melting ice composite cable comprises a cable core positioned in the center, a plurality of layers of glass yarns 8 are wound and twisted outside the cable core, and the glass yarns 8 are used for providing tension and blocking water. The glass yarn 8 is extruded to form the flame-retardant sheath 9, the flame-retardant sheath 9 is extruded to form the elastomer protective layer 12, and the elastomer protective layer 12 has the advantages of insulation, flame retardance, protection, repeated bending and good torsion performance. An electric heating piece 11 is longitudinally wrapped between the flame-retardant sheath 9 and the elastomer protective layer 12, and a wrapping belt 10 is longitudinally wrapped between the flame-retardant sheath 9 and the electric heating piece 11. The electric heating sheet 11 is turned on during ice coating to melt ice and snow on the surface of the composite cable quickly. Since the electric heating sheet 11 generates heat, the wrapping tape 10 is required to insulate heat so as to prevent the electric heating sheet 11 from affecting signal transmission. The flame-retardant sheath 9 is used for preventing the electric heating sheet 11 from spontaneous combustion. The electric heating sheet 11 is an electric heating flexible belt with temperature control. The electric heating flexible belt has good flexibility and can be repeatedly bent and twisted.

The cable core comprises a central reinforcing part 5, a loose tube 3 twisted on the outer surface of the central reinforcing part 5, a water-blocking material 4 and a plastic air blowing tube 6. The loose tube 3 is internally provided with a water blocking yarn 1 and an optical fiber 2. The optical fiber 2 is used for transmitting data. The water-blocking yarn 1 and the water-blocking material 4 are used for blocking water and filling gaps between cables. Place reservation plastics air blowpipe 6 or place other suitable wires according to the user's needs, also can the air-blast suitable wire rod in the plastics air blowpipe 6, consequently also possessed good expansibility. The cable core further comprises a filling rope 7, and the filling rope 7, the loose tube 3, the water-blocking material 4 and the plastic air blowing tube 6 are jointly twisted on the outer surface of the central reinforcing part 5. The filling rope 7 can keep the roundness of the cable core and improve the roundness of the finished product of the composite cable. Meanwhile, the filling rope 7 can also assist in improving the tensile and swing resistance of the composite cable. The material of the filling rope 7 is polypropylene or polyethylene, which is beneficial to improving the high temperature resistance and the fire resistance of the cable core.

The water-blocking yarn 1 is a high-expansion water-blocking yarn with the linear density of 700D-1000D, the optical fiber 2 is a colored single-mode or multi-mode optical fiber, the loose tube 3 is made of polybutylene terephthalate, the water-blocking material 4 is a water-blocking yarn with the linear density of 3000D-5000D, the central reinforcing part 5 is a non-metal reinforcing part or a metal reinforcing part with plastic sleeve, and the plastic air blowing tube 6 is a polyethylene silicon core tube.

The glass yarn 8 is a water-blocking glass yarn with the linear density of 600T or 1200T, the flame-retardant sheath 9 is made of low-smoke halogen-free polyolefin, the wrapping tape 10 is a double-sided fiber cloth-gold mica tape or other suitable heat-insulating and heat-resisting tape, and the elastomer protective layer 12 is made of flame-retardant polyethylene.

The utility model discloses when production, earlier with a plurality of optic fibre 2 and a plurality of yarn 1 unwrapping wires that block water, outside extrusion pine sleeve pipe 3. And then paying off a plurality of loose tubes 3, the water-blocking material 4, a plurality of possible filling ropes 7 and a plurality of plastic air blowing pipes 6, and twisting by taking a central reinforcing piece 5 as an axis to form the cable core. Then, a plurality of layers of glass yarns 8 are wound and twisted outside the cable core, a flame-retardant sheath 9 is extruded outside the cable core, then the flame-retardant sheath 9 longitudinally wraps a wrapping tape 10 outside the cable core, an electric heating sheet 11 longitudinally wraps the wrapping tape 10 outside the cable core, and finally an elastomer sheath 12 is extruded outside the cable core.

The utility model discloses have practicality, security, fire resistance and expansibility, can provide stable signal transmission, realize the bending repeatedly and twist reverse and have and generate heat from ice-melt function. The ice melting can be implemented when the composite cable works, and the normal operation of the composite cable cannot be influenced. Can be used in places which are easy to fall snow and freeze and need ice coating prevention, such as high altitude, large span and the like, and extremely cold regions with the perennial temperature lower than-70 ℃ such as south pole, north pole and the like.

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. A self-melting ice composite cable comprises a cable core positioned in the center, wherein a plurality of layers of glass yarns are wound and twisted outside the cable core, a flame-retardant sheath is extruded outside the glass yarns, and an elastomer protective layer is extruded outside the flame-retardant sheath; the method is characterized in that: an electric heating piece is longitudinally wrapped between the flame-retardant sheath and the elastomer protective layer, and a wrapping belt is longitudinally wrapped between the flame-retardant sheath and the electric heating piece.

2. The self-deicing composite cable of claim 1, wherein: the electric heating piece is an electric heating flexible belt with temperature control.

3. The self-deicing composite cable of claim 1, wherein: the cable core comprises a central reinforcing part, a loose tube, a water-blocking material and a plastic air blowing tube, wherein the loose tube, the water-blocking material and the plastic air blowing tube are twisted on the outer surface of the central reinforcing part; and a water blocking yarn and an optical fiber are arranged in the loose tube.

4. The self-deicing composite cable of claim 3, wherein: the cable core further comprises a filling rope, and the filling rope, the loose tube, the water-blocking material and the plastic air blowing tube are jointly twisted on the outer surface of the central reinforcing piece.

5. The self-deicing composite cable of claim 3, wherein: the water-blocking yarn is a high-expansion water-blocking yarn with the linear density of 700D-1000D, the optical fiber is a colored single-mode or multi-mode optical fiber, the loose tube is made of polybutylene terephthalate, the water-blocking material is a water-blocking yarn with the linear density of 3000D-5000D, the central reinforcing part is a non-metal reinforcing part or a metal reinforcing part with plastic sleeve, and the plastic air blowing tube is a polyethylene silicon core tube.

6. The self-deicing composite cable of claim 4, wherein: the filling rope is made of polypropylene or polyethylene.

7. The self-deicing composite cable of claim 1, wherein: the glass yarn is 600T or 1200T linear density's waterproofing type glass yarn, the material of fire-retardant sheath is low smoke and zero halogen polyolefin, the band is two-sided fibre cloth gold mica tape or other suitable thermal-insulated heat-resisting strip, the material of elastomer protective layer is the band elimination fire-retardant polyethylene.