CN213958609U

CN213958609U - Improved cable with oxygen-isolating layer

Info

Publication number: CN213958609U
Application number: CN202022231777.2U
Authority: CN
Inventors: 郭华
Original assignee: Fujian Dajiang Cable Technology Co ltd
Current assignee: Fujian Dajiang Cable Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-13
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses an improved generation separates oxygen layer cable, its structure includes heat-resisting oxygen mechanism that separates, the insulating layer, the earth connection, the heating cable conductor, the aluminum shielding layer, the internal insulation layer, insulating layer lower extreme outer loop and heat-resisting oxygen mechanism upper end inner loop that separates are same axle center, the utility model relates to an improved generation separates oxygen layer cable, structural heating cable conductor carries out stable electrically conductive long-time operation and can produce the high temperature, further wrap up through copper body guide core sleeve pipe and can ensure efficient operation and protection, moreover the outer loop is installed high-efficient heat-resistant circle and can ensure that the high temperature that produces when the operation can not influence the inside and improvement holistic quality of cable, and then also have cold-resistant filling layer including can carry out normal electrically conductive avoiding consequently appearing the efficiency reduction problem under extreme weather, moreover outer band ring can play dual protection effect with the steel band armor and avoid appearing damaging under the in service behavior and lead to later stage electrically conductive having dangerous existence .

Description

Improved cable with oxygen-isolating layer

Technical Field

The utility model relates to an improved generation separates oxygen layer cable belongs to cable technical field.

Background

With the development of the power industry, the transmission rate of the direct current cable is high, and the line loss is small; the current is adjusted and the transmission direction is changed conveniently; the installation and maintenance cost is low, and the like, and the cable is more and more applied to various fields, and the safety and reliability requirements of electrical equipment used in subways, nuclear power stations, markets, hospitals, intelligent buildings and the like are higher and higher, so that the development of a new generation of environment-friendly direct current cables is urgently required.

The prior art discloses the application numbers as follows: CN 201910384169.4's a follow-on separates oxygen layer cable, cable body center evenly distributed has three conductors, the conductor is provided with the flame retardant coating outward, the flame retardant coating is provided with the insulating layer outward, be provided with the isolation layer between the adjacent conductor, the conductor is provided with the parcel layer outward, it is outer to be provided with the resistance to compression outside the parcel layer, the resistance to compression is outer to be provided with outward and separates the oxygen layer, but this prior art separates the safeguard measure of oxygen to the heat-resisting of cable relatively poor, lead to appearing the cable faster burning under the high temperature condition of catching fire, make to produce more toxic gas and reduce the security.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a follow-on separates oxygen layer cable to it is relatively poor to solve prior art and separate the safeguard measure of oxygen to the heat-resisting of cable, leads to appearing the cable faster burning under the high temperature condition of catching fire, makes the problem that produces more toxic gas and reduce the security.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the improved oxygen-isolating layer cable structurally comprises a heat-resistant oxygen-isolating mechanism, an insulating layer, a grounding wire, a heating cable conductor, an aluminum shielding layer and an inner insulating layer, wherein an outer ring at the lower end of the insulating layer and an inner ring at the upper end of the heat-resistant oxygen-isolating mechanism are the same axis, and the lower end of the grounding wire is embedded in the upper end of the insulating layer.

Further, heat-resisting oxygen mechanism that separates comprises PVC sheath, steel band armor, oxygen vacuum layer, high-efficient heat-resisting circle, belting outer loop, copper body guide core sleeve pipe, cold-resistant filling layer, PVC sheath inner ring and steel band armor outer loop are laminated mutually, steel band armor inner ring is same axle center with the oxygen vacuum layer outer loop that separates, set up in the high-efficient heat-resisting circle and install cold-resistant filling layer, it bonds mutually in the inboard and the high-efficient heat-resisting circle outside in oxygen vacuum layer to separate, copper body guide core sleeve pipe outer loop and high-efficient heat-resisting circle inner loop are same axle center, high-efficient heat-resisting circle outer loop and belting outer loop inner loop are laminated mutually, copper body guide core sleeve pipe embedding is installed in cold-resistant filling layer.

Further, the inner ring at the upper end of the aluminum shielding layer is connected with the outer ring at the lower end of the heating cable conductor, and the lower end of the aluminum shielding layer is embedded in the upper end of the insulating layer.

Furthermore, the inner ring of the copper guide core sleeve and the outer ring of the heat-resistant oxygen isolation mechanism are in the same axis, and the inner ring of the high-efficiency heat-resistant ring is attached to the outer ring of the grounding wire.

Furthermore, the inner insulating layer is embedded in the insulating layer, and the inner side of the grounding wire is attached to the outer side of the aluminum shielding layer.

Further, the grounding wire is made of copper wires and has good conductivity.

Further, the insulating layer is made of rubber and has good insulating property.

Advantageous effects

The utility model relates to a follow-on separates oxygen layer cable, structural heating cable conductor carries out stable electrically conductive long-time operation and can produce high temperature, further it can ensure efficient operation and protection to wrap up through copper body guide core sleeve pipe, moreover the outer loop is installed high-efficient heat-resisting circle and can be ensured that the high temperature that produces can not influence the inside and improvement holistic quality of cable when the operation, and then also have cold-resistant filling layer including can carry out normal electrically conductive avoiding consequently appearing the efficiency reduction problem under extreme weather cable, moreover the outer lasso of band can play dual protecting effect with the steel band armoring layer and avoid appearing damaging under the in service behavior and leading to later stage electrically conductive dangerous, separate the oxygen vacuum layer and can play and avoid appearing burning phenomenon under the high temperature condition to the oxygen effect of separating of inside, holistic improvement the protecting effect to the cable.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of an improved oxygen-barrier cable of the present invention;

FIG. 2 is a schematic structural view of a heat-resistant oxygen-insulating mechanism of the present invention;

FIG. 3 is a schematic structural view of a heat-resistant oxygen-insulating mechanism of the present invention;

fig. 4 is a schematic structural view of the heat-resistant oxygen-insulating mechanism of the present invention.

In the figure: the heat-resistant and oxygen-insulating cable comprises a heat-resistant and oxygen-insulating mechanism-1, an insulating layer-2, a grounding wire-3, a heating cable conductor-4, an aluminum shielding layer-5, an inner insulating layer-6, a PVC sheath-11, a steel strip armor layer-12, an oxygen-insulating vacuum layer-13, a high-efficiency heat-resistant ring-14, a wrapping tape outer layer ferrule-15, a copper conductor core sleeve-16 and a cold-resistant filling layer-17.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides an improved oxygen-barrier cable, which comprises: the structure of the heat-resistant oxygen-insulating cable comprises a heat-resistant oxygen-insulating mechanism 1, an insulating layer 2, a grounding wire 3, a heating cable conductor 4, an aluminum shielding layer 5 and an inner insulating layer 6, wherein the outer ring at the lower end of the insulating layer 2 and the inner ring at the upper end of the heat-resistant oxygen-insulating mechanism 1 are in the same axis center, the lower end of the grounding wire 3 is embedded and installed in the upper end of the insulating layer 2, the heat-resistant oxygen-insulating mechanism 1 consists of a PVC sheath 11, a steel strip armor 12, an oxygen-insulating vacuum layer 13, a high-efficiency heat-resistant ring 14, a wrapping tape outer ring 15, a copper body core-guiding sleeve 16 and a cold-resistant filling layer 17, the inner ring of the PVC sheath 11 is attached to the outer ring of the steel strip armor 12, the inner ring of the steel strip armor 12 and the outer ring of the oxygen-insulating vacuum layer 13 are in the same axis center, the cold-resistant filling layer 17 is installed in the high-efficiency heat-resistant ring 14, the inner side of the oxygen-insulating vacuum layer 13 is bonded to the outer side of the high-efficiency heat-resistant ring 14, the copper body core-guiding sleeve 16 and the inner ring of the high-efficiency heat-resistant ring 14 are in the same axis center, 14 outer rings of high-efficient heat-resisting ring are laminated with the outer 15 inner rings of lasso of band mutually, 16 imbeds of copper body lead core sleeve pipe and install in cold-

resistant filling layer

17, 5 upper end inner rings of aluminium shielding layer are connected with 4 lower extreme outer rings of heating cable conductor, 5 lower extreme imbeds of aluminium shielding layer are installed in 2 upper ends of insulating layer, 16 inner rings of copper body lead core sleeve pipe and heat-resisting oxygen mechanism 1 outer rings that separate are same axle center, 14 inner rings of high-efficient heat-resisting ring are laminated with 3 outer rings of earth connection mutually, 6 imbeds of internal insulation are installed in insulating layer 2, 3 inboard and 5 outside laminating of aluminium shielding layer of earth connection mutually, earth connection 3 is made by the copper wire, has better electric conductivity, insulating layer 2 is made by rubber, has better insulating nature.

The PVC sheath 11 that this patent was said is a with insulating material parcel stranded copper wire stranded conductor, and the flat type cable that forms through the sheath material pressfitting through high-tech automation equipment production line has softness, bending folding at will, relative thickness is thin, small, connect simple, dismantle advantages such as convenient, the steel band armor 12 indicates that the cable that needs to bear great mechanical force should have the armor, is exactly that installs one deck metal protection additional in the outermost of product to the utility layer of inside receives the damage when transportation and installation.

Heating cable conductor 4 can produce high temperature when carrying out stable electrically conductive long-time operation when using, further wrap up through copper body guide core sleeve pipe 16 and can ensure efficient operation and protection, moreover the outer loop is installed high-efficient heat-resisting circle 14 and can be ensured can not influence the inside and improvement holistic quality of cable when the high temperature that produces in the operation, and then also have cold-resistant filling layer 17 including can carry out normal electrically conductive avoiding consequently appearing the problem of efficiency reduction under extreme weather cable, moreover band outer lasso 15 and steel band armor 12 can play dual protecting effect and avoid appearing damaging under the in service behavior and lead to the later stage electrically conductive dangerous that exists, it can play the burning phenomenon to appear under the high temperature condition to the inside oxygen effect that separates to separate oxygen vacuum layer 13.

The utility model solves the problems that the prior art has poor protective measures for the heat resistance and oxygen isolation of the cable, the cable burns faster under the condition of high-temperature fire, more toxic gas is generated, and the safety is reduced, the high temperature is generated when the structural heating cable conductor conducts stable electricity for a long time through the mutual combination of the components, the high temperature can be further ensured to run and protect efficiently by wrapping the high-temperature conducting cable conductor through the copper conductor core sleeve, the high-efficiency heat-resistant ring is arranged on the outer ring, the high temperature generated in the running process can not influence the inside of the cable and improve the integral quality, the normal electricity conduction of the cable can be avoided under extreme weather, the efficiency is reduced, the dual protective effect can be realized by the outer ring of the wrapping belt and the steel strip armor layer, and the danger of the later-stage electricity conduction caused by the damage can be avoided under the use condition, the oxygen-isolating vacuum layer can play a role in isolating oxygen inside to avoid combustion phenomena under the high-temperature condition, and the protection effect on cables is integrally improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an improved generation separates oxygen layer cable which characterized in that: the structure of the heat-resistant oxygen-insulating cable comprises a heat-resistant oxygen-insulating mechanism (1), an insulating layer (2), a grounding wire (3), a heating cable conductor (4), an aluminum shielding layer (5) and an inner insulating layer (6), wherein the outer ring at the lower end of the insulating layer (2) and the inner ring at the upper end of the heat-resistant oxygen-insulating mechanism (1) are the same axis, and the lower end of the grounding wire (3) is embedded in the upper end of the insulating layer (2).

2. An improved oxygen barrier cable according to claim 1, wherein: the heat-resistant oxygen-insulating mechanism (1) consists of a PVC sheath (11), a steel-tape armor layer (12), an oxygen-insulating vacuum layer (13), a high-efficiency heat-resistant ring (14), a wrapping-tape outer-layer ferrule (15), a copper-body core-guiding sleeve (16) and a cold-resistant filling layer (17), the inner ring of the PVC sheath (11) is jointed with the outer ring of the steel-tape armor layer (12), the inner ring of the steel tape armor layer (12) and the outer ring of the oxygen-insulating vacuum layer (13) are in the same axis, a cold-resistant filling layer (17) is arranged in the high-efficiency heat-resistant ring (14), the inner side of the oxygen-isolating vacuum layer (13) is bonded with the outer side of the high-efficiency heat-resistant ring (14), the outer ring of the copper guide core sleeve (16) and the inner ring of the high-efficiency heat-resisting ring (14) are in the same axis, the outer ring of the high-efficiency heat-resistant ring (14) is jointed with the inner ring of the outer layer ferrule (15) of the belting, the copper guide core sleeve (16) is embedded in the cold-resistant filling layer (17).

3. An improved oxygen barrier cable according to claim 1, wherein: the inner ring at the upper end of the aluminum shielding layer (5) is connected with the outer ring at the lower end of the heating cable conductor (4), and the lower end of the aluminum shielding layer (5) is embedded in the upper end of the insulating layer (2).

4. An improved oxygen barrier cable according to claim 2, wherein: the inner ring of the copper guide core sleeve (16) and the outer ring of the heat-resistant oxygen-isolating mechanism (1) are in the same axis, and the inner ring of the high-efficiency heat-resistant ring (14) is attached to the outer ring of the grounding wire (3).

5. An improved oxygen barrier cable according to claim 1, wherein: the inner insulating layer (6) is embedded in the insulating layer (2), and the inner side of the grounding wire (3) is attached to the outer side of the aluminum shielding layer (5).