CN210777994U

CN210777994U - High flame retardant cable wire

Info

Publication number: CN210777994U
Application number: CN201922493495.7U
Authority: CN
Inventors: 王洪有
Original assignee: Dongguan Junhao Wire Technology Co ltd
Current assignee: Dongguan Junhao Wire Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-06-16
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a high flame retardant cable electric wire, including copper core conductor and enhancement layer, the surface cladding of copper core conductor has an inner insulating layer, is provided with the filling layer between the surface of inner insulating layer and the internal surface of enhancement layer, and the enhancement layer comprises steel wire armor and polystyrene foam buffer layer, and the surface cladding of enhancement layer has an outer insulating layer. The utility model discloses a set up the outer insulation layer, the insulating effect of cable wire has further been strengthened, make outside high flame retardant layer and oversheath damage the back, can also continue to use a period, the life of cable wire has further been strengthened, through setting up aluminium hydroxide flame retardant layer, make cable wire possess flame retardant property, through setting up the EVA resin layer, fire-retardant performance has put out a fire, thereby make cable wire possess excellent flame retardant property, through setting up the oversheath, flame retardant performance has not only further been improved, but also make cable wire possess good wearability.

Description

High flame retardant cable wire

Technical Field

The utility model relates to a cable wire technical field specifically is a high flame retardant cable wire.

Background

The cable wire is a material used for electric power, electricity and related transmission purposes, the 'wire' and the 'cable' do not have strict limits, products with small core number, small product diameter and simple structure are generally called as wires, products without insulation are called as bare wires, other products are called as cables, the existing cable wire has the defect of poor flame retardant effect, the cable wire is easy to damage during use, and the service life of the cable wire is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high flame retardant cable electric wire possesses long service life's advantage, has solved current cable electric wire and has had the poor shortcoming of flame retardant efficiency, causes cable electric wire to damage easily when using, has reduced cable electric wire's life's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high fire-retardant cable wire, includes copper core conductor and enhancement layer, the surface cladding of copper core conductor has the internal insulation layer, be provided with the filling layer between the surface of internal insulation layer and the internal surface of enhancement layer, the enhancement layer comprises steel wire armor and polystyrene foam buffer layer, the surface cladding of enhancement layer has the external insulation layer, the surface cladding of external insulation layer has high fire-retardant layer, high fire-retardant layer comprises aluminium hydroxide flame retardant layer and EVA resin layer, the surface cladding on high fire-retardant layer has the oversheath.

Preferably, the inner insulating layer is a flame-retardant low-smoke halogen-free polyolefin layer, the outer insulating layer is a polytetrafluoroethylene layer, and the filling layer is mica powder.

Preferably, the polystyrene foam buffer layer covers the outer surface of the steel wire armor layer, and the thickness of the polystyrene foam buffer layer is 0.1-0.3 mm.

Preferably, the aluminum hydroxide flame retardant layer covers the outer surface of the outer insulating layer, and the EVA resin layer covers the outer surface of the aluminum hydroxide flame retardant layer.

Preferably, the outer sheath is a high flame retardant polyvinyl chloride sheath, and the thickness of the high flame retardant polyvinyl chloride sheath is 0.4-0.7 mm.

(III) advantageous effects

Compared with the prior art, the utility model provides a high flame retardant cable electric wire possesses following beneficial effect:

the utility model has the advantages that the inner insulating layer is arranged to insulate the two copper core conductors from each other, the contact between the two copper core conductors is avoided, the short circuit phenomenon is avoided, the filling layer is arranged, the cable has the characteristics of good elasticity, toughness, insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like, the compression resistance of the cable is enhanced by arranging the steel wire armor layer, the phenomenon that the cable is easy to be flattened and damaged is avoided, the polystyrene foam buffer layer is arranged, the buffer effect is achieved when the cable is stressed, the strength of the cable is further improved, the insulating effect of the cable is further enhanced by arranging the outer insulating layer, the cable can be continuously used for a period of time after the external high flame-retardant layer and the outer sheath are damaged, the service life of the cable is further prolonged, and the aluminum hydroxide flame retardant layer is arranged, make the cable wire possess flame retardant property, through setting up the EVA resin layer, have the fire-retardant performance of putting out a fire, thereby make the cable wire possess excellent flame retardant property, through setting up the oversheath, not only further improved fire-retardant performance, but also make the cable wire possess good wearability, solved current cable wire and had the shortcoming that flame retardant efficiency is poor, cause the cable wire to damage easily when using, reduced the problem of cable wire's life.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the reinforcing layer of the present invention;

fig. 3 is the schematic view of the cross-sectional structure of the high flame retardant layer of the present invention.

In the figure: 1. a copper-core conductor; 2. an inner insulating layer; 3. a filling layer; 4. a reinforcing layer; 41. a steel wire armor layer; 42. a polystyrene foam buffer layer; 5. an outer insulating layer; 6. a high flame retardant layer; 61. an aluminum hydroxide flame retardant layer; 62. an EVA resin layer; 7. an outer sheath.

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.

The utility model discloses a copper core conductor 1, inner insulating layer 2, filling layer 3, enhancement layer 4, steel wire armor 41, polystyrene foam buffer layer 42, outer insulating layer 5, high flame retardant layer 6, aluminium hydroxide fire retardant layer 61, EVA resin layer 62 and oversheath 7 part are the parts that general standard component or field technician know, and its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental approach.

Referring to fig. 1-3, a high flame-retardant cable wire comprises a copper core conductor 1 and a reinforcing layer 4, wherein the outer surface of the copper core conductor 1 is coated with an inner insulating layer 2, the inner insulating layer 2 is a flame-retardant low-smoke halogen-free polyolefin layer, the two copper core conductors 1 are insulated from each other by the arrangement of the inner insulating layer 2, so that the phenomenon of short circuit caused by the contact of the two copper core conductors 1 is avoided, a filling layer 3 is arranged between the outer surface of the inner insulating layer 2 and the inner surface of the reinforcing layer 4, the filling layer 3 is mica powder, and has the characteristics of good elasticity, toughness, insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like by the arrangement of the filling layer 3, the reinforcing layer 4 is composed of a steel wire armor layer 41 and a polystyrene foam buffer layer 42, the polystyrene foam buffer layer 42 is coated on the outer surface of the steel wire armor layer 41, the anti-compression performance of the cable wire is enhanced by arranging the steel wire armor layer 41, the phenomenon that the cable wire is easily flattened and damaged is avoided, the polystyrene foam buffer layer 42 is arranged, when the cable wire is under pressure, the buffer effect is achieved, the strength of the cable wire is further improved, the outer surface of the reinforcing layer 4 is coated with the outer insulating layer 5, the outer insulating layer 5 is a polytetrafluoroethylene layer, the insulating effect of the cable wire is further enhanced by arranging the outer insulating layer 5, after the external high flame-retardant layer 6 and the outer sheath 7 are damaged, the cable wire can be continuously used for a period of time, the service life of the cable wire is further prolonged, the outer surface of the outer insulating layer 5 is coated with the high flame-retardant layer 6, the high flame-retardant layer 6 is composed of the aluminum hydroxide flame retardant layer 61 and the EVA resin layer 62, and the aluminum hydroxide flame retardant layer 61 is coated on the outer surface, EVA resin layer 62 cladding is in aluminium hydroxide flame retardant layer 61's surface, through setting up aluminium hydroxide flame retardant layer 61, make the cable wire possess fire behaviour, through setting up EVA resin layer 62, the fire-retardant performance of putting out a fire has, thereby make the cable wire possess excellent flame retardant efficiency, the surface cladding of high flame retardant layer 6 has oversheath 7, oversheath 7 is high flame retardant polyvinyl chloride sheath, and the thickness of high flame retardant polyvinyl chloride sheath is 0.4-0.7mm, through setting up oversheath 7, the fire-retardant performance has not only further been improved, and still make the cable wire possess good wearability.

When in use, the inner insulating layer 2 is arranged to insulate the two copper core conductors 1 from each other, thereby avoiding the phenomenon of short circuit caused by the contact of the two copper core conductors 1, the filling layer 3 has good elasticity, toughness, insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and other characteristics, the steel wire armor layer 41 is arranged to strengthen the compression resistance of the cable wire and avoid the phenomenon that the cable wire is easy to be flattened and damaged, the polystyrene foam buffer layer 42 is arranged to play a role of buffering when the cable wire is under pressure, thereby further improving the strength of the cable wire, the outer insulating effect of the cable wire is further strengthened by the outer insulating layer 5, the cable wire can be used for a period of time after the outer high flame-retardant layer 6 and the outer sheath 7 are damaged, and the service life of the cable wire is further prolonged, through setting up aluminium hydroxide flame retardant layer 61, make the cable wire possess flame retardant efficiency, through setting up EVA resin layer 62, the fire-retardant performance of putting out a fire has, thereby make the cable wire possess excellent flame retardant efficiency, through setting up oversheath 7, flame retardant efficiency has not only been further improved, but also make the cable wire possess good wearability, current cable wire has the shortcoming that flame retardant efficiency is poor to have been solved, cause the cable wire to damage easily when using, the problem of the life of cable wire has been reduced.

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 high flame retardant cable wire, includes copper core conductor (1) and enhancement layer (4), its characterized in that: the surface cladding of copper core conductor (1) has insulating interior layer (2), be provided with between the surface of insulating interior layer (2) and the internal surface of enhancement layer (4) filling layer (3), enhancement layer (4) comprise steel wire armor (41) and polystyrene foam buffer layer (42), the surface cladding of enhancement layer (4) has insulating exterior layer (5), the surface cladding of insulating exterior layer (5) has high flame retardant coating (6), high flame retardant coating (6) comprise aluminium hydroxide flame retardant layer (61) and EVA resin layer (62), the surface cladding of high flame retardant coating (6) has oversheath (7).

2. A highly flame retardant cable wire as claimed in claim 1, wherein: the flame-retardant low-smoke halogen-free polyolefin coating is characterized in that the inner insulating layer (2) is a flame-retardant low-smoke halogen-free polyolefin layer, the outer insulating layer (5) is a polytetrafluoroethylene layer, and the filling layer (3) is mica powder.

3. A highly flame retardant cable wire as claimed in claim 1, wherein: the polystyrene foam buffer layer (42) is coated on the outer surface of the steel wire armor layer (41), and the thickness of the polystyrene foam buffer layer (42) is 0.1-0.3 mm.

4. A highly flame retardant cable wire as claimed in claim 1, wherein: the aluminum hydroxide flame retardant layer (61) covers the outer surface of the outer insulating layer (5), and the EVA resin layer (62) covers the outer surface of the aluminum hydroxide flame retardant layer (61).

5. A highly flame retardant cable wire as claimed in claim 1, wherein: the outer sheath (7) is a high flame-retardant polyvinyl chloride sheath, and the thickness of the high flame-retardant polyvinyl chloride sheath is 0.4-0.7 mm.