CN213366197U

CN213366197U - Aerial insulated cable with good weather resistance

Info

Publication number: CN213366197U
Application number: CN202022277031.5U
Authority: CN
Inventors: 彭亿涛
Original assignee: Guoyou Cable Group Co Ltd
Current assignee: Guoyou Cable Group Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-04
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses an overhead insulated cable that weatherability is good, including the cable body, the cable body includes the sheath, the inner chamber of sheath is provided with the cable core, be provided with the filling layer between the surface of cable core and the sheath, the sheath includes the shielding layer, the fixed surface of shielding layer is connected with the insulating layer, the fixed surface of insulating layer is connected with the shock resistance layer, the fixed surface of shock resistance layer is connected with the insulating layer. The utility model discloses a set up cable body, sheath, cable core, filling layer, shielding layer, insulating layer, shock resistance layer, insulating layer, enhancement layer, fire-retardant layer, high temperature resistant layer, low temperature resistant layer and resistant time layer, can improve the intensity of cable and high temperature resistant, low temperature resistant, thermal-insulated fire-retardant performance etc. to improve the weatherability of cable, solved the relatively poor problem of current processing insulated cable weatherability, this built on stilts insulated cable possesses the better advantage of weatherability, is worth promoting.

Description

Aerial insulated cable with good weather resistance

Technical Field

The utility model relates to the technical field of cables, specifically be an overhead insulated cable that weatherability is good.

Background

The cable usually comprises several or several groups of wires, the cable has power cable, control cable, compensation cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and so on, the aerial cable is an aerial conductor with insulating layer and protective sheath, and is a new power transmission mode between the aerial conductor and the underground cable, but the existing aerial insulated cable has no good strength and performances such as high temperature resistance, low temperature resistance, heat insulation and flame retardation, and the like, so that the weather resistance of the cable is poor, and the cable is always influenced by factors such as external cold, heat, wind and rain, and the like, thereby the aerial cable is easy to damage and loss is brought to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhead insulated cable that weatherability is good possesses the better advantage of weatherability, has solved the relatively poor problem of current processing insulated cable weatherability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overhead insulated cable that weatherability is good, includes the cable body, the cable body includes the sheath, the inner chamber of sheath is provided with the cable core, be provided with the filling layer between the surface of cable core and the sheath, the sheath includes the shielding layer, the fixed surface of shielding layer is connected with the insulating layer, the fixed surface of insulating layer is connected with the shock resistance layer, the fixed surface of shock resistance layer is connected with the insulating layer, the fixed surface of insulating layer is connected with the enhancement layer, the fixed surface of enhancement layer is connected with fire-retardant layer, the fixed surface on fire-retardant layer is connected with high temperature resistant layer, the fixed surface on high temperature resistant layer is connected with low temperature resistant layer, the fixed surface on low temperature resistant layer is connected with resistant time layer.

Preferably, the material of the filling layer is made of a polypropylene material, the material of the shielding layer is made of a graphene cross-linked polyethylene material, and the material of the insulating layer is made of a weather-resistant polyethylene insulating material.

Preferably, the material of impact resistance layer adopts sponge material to make, the material of insulating layer adopts the thermal-insulated coiled material of aluminium foil to make, the material of enhancement layer adopts the wire net structure to make.

Preferably, the material of the flame-retardant layer is made of halogen-free low-smoke flame-retardant polyolefin material, and the material of the high-temperature-resistant layer is made of polytetrafluoroethylene material.

Preferably, the low temperature resistant layer is made of a polybutadiene rubber material, and the weather resistant layer is made of a CPE material.

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

1. the utility model discloses a set up cable body, sheath, cable core, filling layer, shielding layer, insulating layer, shock resistance layer, insulating layer, enhancement layer, fire-retardant layer, high temperature resistant layer, low temperature resistant layer and resistant time layer, can improve the intensity of cable and high temperature resistant, low temperature resistant, thermal-insulated fire-retardant performance etc. to improve the weatherability of cable, solved the relatively poor problem of current processing insulated cable weatherability, this built on stilts insulated cable possesses the better advantage of weatherability, is worth promoting.

2. The utility model discloses a through setting up the filling layer, the polypropylene material has good heat resistance, under the condition of not receiving the external force, one hundred fifty degrees indeformable, can increase the heat resistance of whole cable, through setting up the insulating layer, weather resistant polyethylene insulating material can play insulating effect, improve the insulating properties of sheath, through setting up the shock resistance layer, the sponge material can play the effect of shock resistance, improve the shock resistance of cable, through setting up the insulating layer, the aluminium foil heat insulating coiled material can play thermal-insulated effect, improve the heat-proof quality of sheath, through setting up the enhancement layer, the steel wire netting structure can increase the tensile resistance of whole cable, through setting up the fire resistance layer, low smoke and zero halogen flame retardant polyolefin can play fire-retardant effect, improve the fire resistance of cable, through setting up the high temperature resistant layer, the polytetrafluoroethylene material can play high temperature resistant effect, the high temperature resistance of cable is improved, through setting up low temperature resistant layer, polybutadiene rubber can be fine play low temperature resistant effect, guarantees that the cable is difficult impaired under low temperature environment, through setting up resistant layer of waiting, the CPE material has guaranteed the wear resistance of cable, has improved the suitability of cable at outdoor again, has prolonged the life of cable.

Drawings

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

fig. 2 is a schematic view of the structure of the cable body of the present invention;

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

In the figure: 1. a cable body; 2. a sheath; 3. a cable core; 4. a filling layer; 5. a shielding layer; 6. an insulating layer; 7. an impact resistant layer; 8. a thermal insulation layer; 9. a reinforcing layer; 10. a flame retardant layer; 11. a high temperature resistant layer; 12. a low temperature resistant layer; 13. and a weather-resistant layer.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an overhead insulated cable with good weather resistance comprises a cable body 1, the cable body 1 comprises a sheath 2, a cable core 3 is arranged in an inner cavity of the sheath 2, a filling layer 4 is arranged between the surface of the cable core 3 and the sheath 2, the sheath 2 comprises a shielding layer 5, an insulating layer 6 is fixedly connected to the surface of the shielding layer 5, an impact resistant layer 7 is fixedly connected to the surface of the insulating layer 6, a heat insulating layer 8 is fixedly connected to the surface of the impact resistant layer 7, a reinforcing layer 9 is fixedly connected to the surface of the heat insulating layer 8, a flame retardant layer 10 is fixedly connected to the surface of the reinforcing layer 9, a high temperature resistant layer 11 is fixedly connected to the surface of the flame retardant layer 10, a low temperature resistant layer 12 is fixedly connected to the surface of the high temperature resistant layer 11, a weather resistant layer 13 is fixedly connected to the surface of the low temperature resistant layer 12, the, the insulating layer 6 is made of weather-resistant polyethylene insulating material, the impact-resistant layer 7 is made of sponge material, the insulating layer 8 is made of aluminum foil heat-insulating coiled material, the reinforcing layer 9 is made of steel wire mesh structure, the flame-retardant layer 10 is made of halogen-free low-smoke flame-retardant polyolefin material, the high-temperature-resistant layer 11 is made of polytetrafluoroethylene material, the low-temperature-resistant layer 12 is made of polybutadiene rubber material, the weather-resistant layer 13 is made of CPE material, the polypropylene material has good heat resistance by arranging the filling layer 4, the cable is not deformed at one hundred fifty degrees under the condition of not bearing external force, the heat resistance of the whole cable can be improved, the insulating layer 6 is arranged, the weather-resistant polyethylene insulating material can play an insulating role, the insulating property of the sheath 2 is improved, and by arranging the impact-resistant layer 7, the sponge material can play a role in impact resistance, the impact resistance of the cable is improved, the aluminum foil heat insulation coiled material can play a role in heat insulation by arranging the heat insulation layer 8, the heat insulation performance of the sheath 2 is improved, the tensile resistance of the whole cable can be improved by arranging the reinforcing layer 9 and the steel wire mesh structure, the halogen-free low-smoke flame-retardant polyolefin can play a role in flame retardance by arranging the flame-retardant layer 10, the flame retardance of the cable is improved, the polytetrafluoroethylene material can play a role in high temperature resistance by arranging the high temperature resistant layer 11, the high temperature resistance of the cable is improved, the low temperature resistant layer 12 is arranged, the polybutadiene rubber can well play a role in low temperature resistance, the cable is not easy to damage in a low-temperature environment, the CPE material ensures the wear resistance of the cable by arranging the weather resistant layer 13, the suitability of the cable outdoors is improved, and, through setting up cable body 1, sheath 2, cable core 3, filling layer 4, shielding layer 5, insulating layer 6, shock resistance 7, insulating layer 8, enhancement layer 9, fire-retardant layer 10, high temperature resistant layer 11, low temperature resistant layer 12 and resistant layer 13 of waiting, can improve the intensity and the high temperature resistant of cable, low temperature resistant, thermal-insulated fire-retardant performance such as to improve the weatherability of cable, the relatively poor problem of current processing insulated cable weatherability has been solved, this overhead insulated cable, possess the better advantage of weatherability, be worth promoting.

When in use, the polypropylene material in the filling layer 4 has good heat resistance, does not deform at one hundred fifty degrees under the condition of not being subjected to external force, can increase the heat resistance of the whole cable, the weather-proof polyethylene insulating material in the insulating layer 6 can play an insulating role and improve the insulating property of the sheath 2, the sponge material in the impact-resistant layer 7 can play an impact-resistant role and improve the impact resistance of the cable, the aluminum foil heat-insulating coiled material in the heat-insulating layer 8 can play a heat-insulating role and improve the heat-insulating property of the sheath 2, the steel wire mesh structure in the reinforcing layer 9 can increase the tensile resistance of the whole cable, the halogen-free low-smoke flame-retardant polyolefin in the flame-retardant layer 10 can play a flame-retardant role and improve the flame-retardant property of the cable, the polytetrafluoroethylene material in the high-temperature-resistant layer 11 can play a high-temperature-resistant, polybutadiene rubber in the low temperature resistant layer 12 can well play a low temperature resistant role, so that the cable is not easy to damage in a low temperature environment, the CPE material in the weather resistant layer 13 ensures the wear resistance of the cable, the outdoor suitability of the cable is improved, and the service life of the cable is prolonged.

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 good overhead insulated cable of weatherability, includes cable body (1), its characterized in that: the cable body (1) comprises a sheath (2), a cable core (3) is arranged in the inner cavity of the sheath (2), a filling layer (4) is arranged between the surface of the cable core (3) and the sheath (2), the sheath (2) comprises a shielding layer (5), an insulating layer (6) is fixedly connected to the surface of the shielding layer (5), the surface of the insulating layer (6) is fixedly connected with an impact resistant layer (7), the surface of the impact resistant layer (7) is fixedly connected with a heat insulating layer (8), a reinforced layer (9) is fixedly connected to the surface of the heat insulation layer (8), a flame retardant layer (10) is fixedly connected to the surface of the reinforced layer (9), the surface of the flame-retardant layer (10) is fixedly connected with a high temperature resistant layer (11), the surface of the high temperature resistant layer (11) is fixedly connected with a low temperature resistant layer (12), and a weather-resistant layer (13) is fixedly connected to the surface of the low-temperature-resistant layer (12).

2. The overhead insulated cable with good weather resistance of claim 1, wherein: the material of filling layer (4) adopts the polypropylene material to make, the material of shielding layer (5) adopts graphite alkene crosslinked polyethylene material to make, the material of insulating layer (6) adopts resistant type polyethylene insulating material to make.

3. The overhead insulated cable with good weather resistance of claim 1, wherein: the material of impact resistance layer (7) adopts the sponge material to make, the material of insulating layer (8) adopts the aluminium foil coiled material that insulates against heat to make, the material of enhancement layer (9) adopts the steel wire mesh structure to make.

4. The overhead insulated cable with good weather resistance of claim 1, wherein: the material of fire-retardant layer (10) adopts the halogen-free low smoke flame retardant polyolefin material to make, the material of high temperature resistant layer (11) adopts the polytetrafluoroethylene material to make.

5. The overhead insulated cable with good weather resistance of claim 1, wherein: the low-temperature resistant layer (12) is made of a polybutadiene rubber material, and the weather resistant layer (13) is made of a CPE material.