CN212010465U

CN212010465U - Cable with good weather resistance

Info

Publication number: CN212010465U
Application number: CN202020837127.XU
Authority: CN
Inventors: 宁顺舟
Original assignee: HuaiAn Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: HuaiAn Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-11-24
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a cable that weatherability is good, including the oversheath, the inner wall fixedly connected with inner sheath of oversheath, the inside fixedly connected with conductor core of inner sheath, it has the filling layer to fill between conductor core and the inner sheath, the oversheath includes the extexine, the inner wall fixedly connected with crushing layer of extexine, inner sheath includes the insulating layer, the cold-resistant layer of fixed surface connected with of insulating layer, the fixed surface on cold-resistant layer is connected with high temperature resistant layer. The utility model discloses an oversheath, interior sheath, sinle silk conductor, filling layer, extexine, anti-pressure layer, insulating layer, cold-resistant layer and high temperature resistant layer's cooperation is used, can effectually solve the problem that traditional cable weatherability is more weak, and this cable has strengthened the outside protective capacities of wire rod, and the preparation process is simple, and is with low costs, has good weatherability, high temperature resistance and cold resistance, has effectively satisfied the user demand under the different environment.

Description

Cable with good weather resistance

Technical Field

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

Background

In recent years, the development of power utilities in China is rapid, the operating voltage level of a power grid system is continuously improved, the network scale is gradually enlarged, a cable insulating material is an important component in a cable, not only plays a role of insulation, but also plays a role of heat insulation and corrosion resistance, once an insulating layer on the outer layer of a metal wire core is damaged, the performance of the cable can be greatly reduced, at present, the cable insulating material cannot meet the actual requirement in the aspect of high temperature resistance, the distortion of the insulating material is caused, the insulation degree of the cable insulating material is influenced, the aging of the material is accelerated, in addition, the domestic air pollution is serious, the climate condition is complex, and the common cable cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable that weatherability is good possesses the advantage that improves cable weatherability, has solved cable insulation and is difficult to satisfy actual demand in the aspect of high temperature resistant, causes insulation's distortion, influences its insulating degree and accelerates ageing of material, and internal air pollution is serious in addition, and climatic condition is complicated, and ordinary cable can't satisfy the problem of user demand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable that weatherability is good, includes the oversheath, the inner wall fixedly connected with inner sheath of oversheath, the inside fixedly connected with conductor core of inner sheath, it has the filling layer to fill between conductor core and the inner sheath, the oversheath includes the extexine, the inner wall fixedly connected with compressive layer of extexine, the inner sheath includes the insulating layer, the cold-resistant layer of fixed surface of insulating layer is connected with, the cold-resistant layer of fixed surface of cold-resistant layer is connected with high temperature resistant layer.

Preferably, the wire core conductor is formed by twisting three wires with the same cross section, an insulating sheath is sleeved on the surface of the wire core conductor, and the insulating sheath is made of silicon rubber.

Preferably, the filling layer is made of filler prepared from inorganic filler and is uniformly distributed between the core conductor and the inner sheath.

Preferably, the outer surface layer is made of a cold-resistant low-smoke halogen-free material, and the compression-resistant layer is made of an open-woven reticular fiber yarn woven material.

Preferably, the insulating layer is made of fluorinated ethylene propylene plastics, and the cold-resistant layer is made of cold-resistant PVC materials.

Preferably, the high temperature resistant layer is made of polyphenylene sulfide high temperature resistant materials, and the insulating layer, the cold resistant layer and the high temperature resistant layer are integrally formed through an extruder.

Preferably, the core conductor is made of nickel-plated copper, and the core conductor is formed by twisting multiple groups of nickel-plated copper.

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

1. the utility model discloses an oversheath, interior sheath, sinle silk conductor, filling layer, extexine, anti-pressure layer, insulating layer, cold-resistant layer and high temperature resistant layer's cooperation is used, can effectually solve the problem that traditional cable weatherability is more weak, and this cable has strengthened the outside protective capacities of wire rod, and the preparation process is simple, and is with low costs, has good weatherability, high temperature resistance and cold resistance, has effectively satisfied the user demand under the different environment.

2. The utility model discloses a set up high temperature resistant layer, can guarantee that this cable has the heat-proof quality in high temperature environment, can protect the inner cable not receive outside high temperature to influence, through setting up cold-resistant layer, can avoid the inner cable because of the problem that severe cold leads to transmission performance to descend, improved the fail safe nature of cable.

Drawings

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

FIG. 2 is a schematic view of the inner protective layer of the present invention;

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

In the figure: 1. an outer sheath; 101. an outer skin layer; 102. a pressure resistant layer; 2. an inner protective layer; 201. an insulating layer; 202. a cold-resistant layer; 203. a high temperature resistant layer; 3. a core conductor; 4. a filling layer; 5. an insulating 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 components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a cable with good weather resistance comprises an outer sheath 1, an inner sheath 2 is fixedly connected to the inner wall of the outer sheath 1, a core conductor 3 is fixedly connected to the inner sheath 2, the core conductor 3 is formed by twisting three wires with the same cross section, an insulating sheath 5 is sleeved on the surface of the core conductor 3, the insulating sheath 5 is made of silicon rubber, the core conductor 3 is made of nickel-plated copper, the core conductor 3 is formed by twisting a plurality of groups of nickel-plated copper, a filling layer 4 is filled between the core conductor 3 and the inner sheath 2, the filling layer 4 is made of inorganic filling material and is uniformly distributed between the core conductor 3 and the inner sheath 2, the outer sheath 1 comprises an outer surface layer 101, the outer surface layer 101 is made of cold-resistant low-smoke zero halogen material, a compression-resistant layer 102 is made of open woven mesh fiber woven material, and a compression-resistant layer 102 is fixedly connected to the inner wall of the outer, the inner sheath layer 2 comprises an insulating layer 201, the insulating layer 201 is made of fluorinated ethylene propylene plastic, the cold-resistant layer 202 is made of cold-resistant PVC material, the surface of the insulating layer 201 is fixedly connected with the cold-resistant layer 202, the surface of the cold-resistant layer 202 is fixedly connected with the high-temperature resistant layer 203, the high-temperature resistant layer 203 is made of polyphenylene sulfide high-temperature resistant material, the insulating layer 201, the cold-resistant layer 202 and the high-temperature resistant layer 203 are integrally formed through an extruder, the high-temperature resistant layer 203 is arranged, the cable can be guaranteed to have heat insulation performance in a high-temperature environment, the inner cable can be protected from being affected by external high temperature, the problem that the transmission performance of the inner cable is reduced due to severe cold can be avoided through the cold-resistant layer 202, the safety and reliability of the cable are improved, and the inner sheath layer 2, the core conductor 3, the filling layer 4, the outer surface layer 101, the pressure-, the cable can effectively solve the problem that the traditional cable is weak in weather resistance, the cable enhances the protection capability of the outside of a wire rod, is simple in preparation process, low in cost, good in weather resistance, high temperature resistance and cold resistance, and effectively meets the use requirements under different environments.

During the use, through adopting the high temperature resistant layer 203 that polyphenylene sulfide high temperature resistant material made, can guarantee that this cable has the heat-proof quality in high temperature environment, can protect inside cable not receive outside high temperature influence, through adopting cold-resistant layer 202 that cold-resistant PVC material made, can avoid inside cable because of the problem that the severe cold leads to transmission performance to descend, improved the fail safe nature of cable.

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 cable that weatherability is good, includes oversheath (1), its characterized in that: inner wall fixedly connected with of oversheath (1) protects layer (2), the inside fixedly connected with core conductor (3) of interior sheath (2), it has filling layer (4) to fill between core conductor (3) and interior sheath (2), oversheath (1) includes extexine (101), the inner wall fixedly connected with crushing layer (102) of extexine (101), interior sheath (2) include insulating layer (201), the surperficial fixedly connected with of insulating layer (201) is cold-resistant layer (202), the surperficial fixedly connected with of cold-resistant layer (202) is high temperature resistant layer (203).

2. The weather resistant cable of claim 1, wherein: the cable core conductor (3) is formed by twisting three wires with the same cross section, an insulating sheath (5) is sleeved on the surface of the cable core conductor (3), and the insulating sheath (5) is made of silicon rubber.

3. The weather resistant cable of claim 1, wherein: the filling layer (4) is made of inorganic filler and is uniformly distributed between the core conductor (3) and the inner protection layer (2).

4. The weather resistant cable of claim 1, wherein: the outer surface layer (101) is made of a cold-resistant low-smoke halogen-free material, and the pressure-resistant layer (102) is made of an open-woven reticular fiber silk woven material.

5. The weather resistant cable of claim 1, wherein: the insulating layer (201) is made of fluorinated ethylene propylene plastic, and the cold-resistant layer (202) is made of cold-resistant PVC material.

6. The weather resistant cable of claim 1, wherein: the high-temperature resistant layer (203) is made of polyphenylene sulfide high-temperature resistant materials, and the insulating layer (201), the cold-resistant layer (202) and the high-temperature resistant layer (203) are integrally formed through an extruder.

7. The weather resistant cable of claim 1, wherein: the core conductor (3) is made of nickel-plated copper, and the core conductor (3) is formed by stranding a plurality of groups of nickel-plated copper.