CN213277519U

CN213277519U - Ultralow temperature-resistant environment-friendly cross-linked polyolefin cable for wind power generation

Info

Publication number: CN213277519U
Application number: CN202022706817.4U
Authority: CN
Inventors: 白立超
Original assignee: Liaoning New Oriental Cable Group Co ltd
Current assignee: Liaoning New Oriental Cable Group Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-05-25
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a belong to the technical field of cables, in particular to an ultralow temperature-resistant environment-friendly wind power generation cross-linked polyolefin cable, which comprises a cable copper wire, wherein the outer side wall of the cable copper wire is sleeved with a protective sleeve, the outer side of the protective sleeve is provided with a protective layer, the outer side wall of the protective layer is provided with a plurality of reinforcing ribs, the outer side wall of each reinforcing rib is provided with a high temperature-resistant layer, the outer side wall of each high temperature-resistant layer is provided with a damp-proof layer, the outer side wall of each damp-proof layer is provided with an insulating layer, the structure stability of the cable copper wire is protected through the protective layer, the reinforcing ribs are used for protecting the cable copper wire, when the cable is subjected to pressure bending, the reinforcing ribs and the protective layer ensure the structure stability of the cable copper wire, the PVC layer has the advantages of softness and random bending, the crosslinked polyolefin insulating layer is used for protecting the copper wires of the cable from erosion of wind and rain.

Description

Ultralow temperature-resistant environment-friendly cross-linked polyolefin cable for wind power generation

Technical Field

The utility model relates to the technical field of cables, specifically be an ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation.

Background

Cables are generally rope-like cables made up of several or groups of conductors (at least two in each group) stranded together, the conductors of each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering, for transmitting power or information from one location to another. The cable has the characteristics of internal electrification and external insulation, the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, a wind power cable and the like, the cable is mostly a direct-current cable, the outdoor laying is more, moisture resistance, insolation resistance, cold resistance, heat resistance and ultraviolet resistance are required, and chemical substances such as acid and alkali resistance are required under certain special environments.

The wind power cable needs to be exposed to the external environment for a long time, so that the cable protective layer is easily cracked, the wind power cable is often used in a severe environment, the temperature is cold, the temperature difference between day and night is large, good low temperature resistance is needed, the cable is often required to be bent when being used, and the low temperature resistance and the elasticity of the existing wind power cable are poor, so that the ultralow temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation needs to be developed.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The utility model discloses in view of the problem that exists among the cross-linked polyolefin cable for wind power generation, provided.

Therefore, the utility model aims at providing a cross-linked polyolefin cable for ultra-low temperature resistant environment-friendly wind power generation can solve wind power cable and need expose for a long time in external environment, causes the season cracking of cable protection layer easily, and wind power cable also uses often in adverse circumstances, and temperature is cold, the difference in temperature is big round the clock, needs good low temperature resistance, and the cable uses often need buckle often, the poor problem of current wind power cable low temperature resistance and elasticity.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides an ultra-low temperature resistant environment-friendly crosslinked polyolefin cable for wind power generation, it includes cable copper wire, protective layer, strengthening rib, high temperature resistant layer, dampproof course and insulating layer, the lag has been cup jointed to cable copper wire lateral wall, the lag outside sets up the protective layer, the protective layer lateral wall sets up a plurality ofly the strengthening rib, strengthening rib lateral wall cladding the high temperature resistant layer, the high temperature resistant layer lateral wall is connected the dampproof course, the dampproof course lateral wall sets up the insulating layer.

As an optimal scheme of resistant ultra-low temperature environment-friendly crosslinked polyolefin cable for wind power generation, wherein: the insulating layer includes low temperature resistant layer and crosslinked polyolefin insulating layer, the moisture barrier outside wall sets up low temperature resistant layer, low temperature resistant layer lateral wall is connected the crosslinked polyolefin insulating layer.

As an optimal scheme of resistant ultra-low temperature environment-friendly crosslinked polyolefin cable for wind power generation, wherein: the high temperature resistant layer includes PVC layer and polyimide layer, the strengthening rib lateral wall sets up the PVC layer, PVC layer outside wall sets up the polyimide layer.

As an optimal scheme of resistant ultra-low temperature environment-friendly crosslinked polyolefin cable for wind power generation, wherein: the reinforcing ribs are circumferentially and uniformly distributed on the outer side wall of the protective layer.

As an optimal scheme of resistant ultra-low temperature environment-friendly crosslinked polyolefin cable for wind power generation, wherein: the protective layer is an aramid fiber filling layer.

Compared with the prior art, the beneficial effects of the utility model are that: the structure of the copper wire of the cable is protected by the protective layer, when the cable is bent, the copper wire of the cable inside the cable is controlled to reduce the shaking amplitude, thereby protecting the cable copper wire, the reinforcing rib is used for protecting the cable copper wire, when the cable is bent under pressure, the reinforcing rib and the protective layer jointly ensure the stability of the structure of the cable copper wire, double protection is carried out on the copper wire of the cable, the PVC layer has the advantages of softness, random bending and folding, the elasticity of the cable is increased, also have high temperature resistance advantage simultaneously, the polyimide layer can strengthen the high temperature resistance of cable, and the dampproof course is with the steam in the isolated air, prevents that the cable copper wire from weing, leads to the cable electric leakage, and unexpected danger appears, low temperature resistant layer is used for guaranteeing still can normally work under microthermal condition of cable copper wire, and crosslinked polyolefin insulating layer is used for protecting the cable copper wire not to receive the erosion of wind and rain, increases its life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

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

fig. 2 is the structure diagram of the high temperature resistant layer of the present invention.

In the figure, 100 cable copper wires, 110 protective sleeves, 200 protective layers, 300 reinforcing ribs, 400 high-temperature resistant layers, 410PVC layers, 420 polyimide layers, 500 moisture-proof layers, 600 insulating layers, 610 low-temperature resistant insulating layers and 620 cross-linked polyolefin insulating layers are arranged.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a following technical scheme: the utility model provides an it is resistant ultra-low temperature environment-friendly crosslinked polyolefin cable for wind power generation, in the use, through the stability of protective layer protection cable copper wire structure, when the cable is crooked, its inside cable copper wire of control reduces and rocks the range, thereby protect the cable copper wire, the strengthening rib is used for protecting the cable copper wire, when the cable receives the bending under pressure, the strengthening rib guarantees the stability of cable copper wire structure with the protective layer jointly, carry out duplicate protection to the cable copper wire, the PVC layer has the softness, the folding advantage of random bending, increase the elasticity of cable, the while also has high temperature resistance advantage.

Referring to fig. 1 to 2, the cable includes a copper cable wire 100, a protective layer 200, a reinforcing rib 300, a high temperature resistant layer 400, a moisture-proof layer 500, and an insulating layer 600;

referring to fig. 1 again, the cable copper wire 100 is an oxygen-free cable copper wire, a protective sleeve 110 is sleeved on the outer side wall of the cable copper wire 100, and the protective sleeve 110 is used for protecting the cable copper wire 100;

referring to fig. 1 again, the protective sheath 110 is provided with a protective layer 200 on the outer side, the protective layer 200 is an aramid fiber filling layer, the protective layer 200 is used for protecting the stability of the structure of the cable copper wire 100, when the cable is bent, the cable copper wire 100 inside the cable is controlled to reduce the shaking amplitude, so as to protect the cable copper wire 100,

referring to fig. 1 again, ten reinforcing ribs 300 are uniformly distributed on the circumference of the outer side wall of the protective layer 200, the reinforcing ribs 300 are used for protecting the cable copper wire 100, and when the cable is bent under pressure, the reinforcing ribs 300 and the protective layer 200 jointly ensure the stability of the structure of the cable copper wire 100, so that the cable copper wire 100 is protected doubly;

referring to fig. 1 to 2 again, the outer side wall of the stiffener 300 is provided with a high temperature resistant layer 400, which includes a PVC layer 410 and a polyimide layer 420, specifically, the outer side wall of the stiffener 300 is coated with the PVC layer 410, the PVC layer 410 has the advantages of being soft and being capable of being bent and folded at will, increasing the elasticity of the cable, and meanwhile, the outer side wall of the PVC layer 410 is coated with the polyimide layer 420, the polyimide layer 420 is one of organic polymer materials with the best comprehensive performance, is resistant to high temperature of more than four hundred degrees centigrade, has a long-term service temperature range of two hundred to three hundred degrees centigrade, has no obvious melting point at part, has high insulating performance, and can enhance the high temperature resistant performance of the cable through the arranged polyimide layer 420;

referring to fig. 1 again, the outer side wall of the high temperature resistant layer 400 is sleeved with a moisture-proof layer 500, and the moisture-proof layer 500 is used for isolating water vapor in the air to prevent the cable copper wire 100 from being affected with moisture, so that the cable is prevented from being leaked with electricity and causing unexpected danger;

referring to fig. 1 again, an insulating layer 600 is disposed on an outer side wall of the moisture-proof layer 500, the insulating layer 600 includes a low temperature resistant layer 610 and a cross-linked polyolefin insulating layer 620, specifically, the outer side wall of the moisture-proof layer 500 is coated with the low temperature resistant layer 610, the low temperature resistant layer 610 is used for ensuring that the cable copper wire 100 can still work normally under a low temperature condition, the outer side wall of the low temperature resistant layer 610 is provided with the cross-linked polyolefin insulating layer 620, and the cross-linked polyolefin insulating layer 620 is used for protecting the cable copper wire 100 from erosion of wind;

the working principle is as follows: in the using process of the utility model, the structure of the cable copper wire 100 is protected by the protective layer 200, when the cable is bent, the cable copper wire 100 inside the cable is controlled to reduce the shaking amplitude, so as to protect the cable copper wire 100, the reinforcing rib 300 is used for protecting the cable copper wire 100, when the cable is bent under pressure, the reinforcing rib 300 and the protective layer 200 jointly ensure the structure stability of the cable copper wire 100, and the cable copper wire 100 is doubly protected, the PVC layer 410 has the advantages of flexibility and random bending and folding, so as to increase the elasticity of the cable, and simultaneously has the advantage of high temperature resistance, the polyimide layer 420 can strengthen the high temperature resistance of the cable, the moisture-proof layer 500 is used for isolating the water vapor in the air, so as to prevent the cable copper wire 100 from being affected with damp, thereby causing the electric leakage of the cable, and causing unexpected danger, the low temperature resistant layer, the crosslinked polyolefin insulating layer 620 is used for protecting the cable copper wire 100 from being corroded by wind and rain, and the service life of the cable copper wire is prolonged.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation which characterized in that: including cable copper wire (100), protective layer (200), strengthening rib (300), high temperature resistant layer (400), dampproof course (500) and insulating layer (600), lag (110) have been cup jointed to cable copper wire (100) lateral wall, lag (110) outside sets up protective layer (200), protective layer (200) lateral wall sets up a plurality ofly strengthening rib (300), strengthening rib (300) lateral wall cladding high temperature resistant layer (400), high temperature resistant layer (400) lateral wall is connected dampproof course (500), dampproof course (500) lateral wall sets up insulating layer (600).

2. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: the insulating layer (600) comprises a low temperature resistant layer (610) and a cross-linked polyolefin insulating layer (620), the outer side wall of the moisture-proof layer (500) is provided with the low temperature resistant layer (610), and the outer side wall of the low temperature resistant layer (610) is connected with the cross-linked polyolefin insulating layer (620).

3. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: the high temperature resistant layer (400) comprises a PVC layer (410) and a polyimide layer (420), the outer side wall of the reinforcing rib (300) is provided with the PVC layer (410), and the outer side wall of the PVC layer (410) is provided with the polyimide layer (420).

4. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: the reinforcing ribs (300) are uniformly distributed on the outer side wall of the protective layer (200) in a circumferential mode.

5. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: the protective layer (200) is an aramid fiber filling layer.