CN211455377U

CN211455377U - High-strength heat-insulation water-blocking cable

Info

Publication number: CN211455377U
Application number: CN202020204660.2U
Authority: CN
Inventors: 沈伟佳
Original assignee: Shenzhen Deep Cable Technology Co ltd
Current assignee: Shenzhen Deep Cable Technology Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-09-08
Anticipated expiration: 2030-02-25

Abstract

The utility model provides a high strength thermal-insulated cable that blocks water, including sealed linking up the seat, the semiconduction waterproofing area is around the package, the waterproof cover of PE, the mineral substance filling layer, the steel wire consolidates the core, the PVC insulation cover, mineral substance band and polyurethane foam, the armor upside is provided with sealed linking up the seat, the armor inboard is equipped with the semiconduction waterproofing area around the package, the semiconduction waterproofing area is equipped with the waterproof cover of PE around the package inboard, the waterproof cover inboard of PE is provided with the mineral substance filling layer, mineral substance filling layer internal portion is equipped with the steel wire consolidates the core, the conductive core outside is equipped with polyurethane foam, polyurethane foam lateral surface is equipped with the mineral substance band, mineral substance band lateral surface is equipped with the PVC insulation cover, this design has solved the not good problem of original cable thermal-insulated effect that blocks.

Description

High-strength heat-insulation water-blocking cable

Technical Field

The utility model relates to a high strength cable that blocks water that insulates against heat belongs to power cable technical field.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.

Many power cables need to have good water resistance and heat insulation because of the needs of operational environment to adapt to the demand of long-time work, but current power cable can not possess good water resistance and heat insulation simultaneously, and the heat-insulating water-blocking effect of current cable is not good, and the heat-insulating water-blocking cable of a high strength is urgently needed to solve the above-mentioned problem that appears now.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a high strength thermal-insulated cable that blocks water to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, be convenient for improve power cable block water and thermal-insulated effect.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a high-strength heat-insulation water-blocking cable comprises a cable main body, a low-smoke halogen-free sheath, an armor, a heat-insulation waterproof mechanism and a conductive core, wherein the low-smoke halogen-free sheath is assembled on the outer side of the cable main body, the armor is assembled on the inner side of the low-smoke halogen-free sheath, the conductive core is installed on the inner side of the armor, the heat-insulation waterproof mechanism is arranged inside the cable main body and comprises a sealing connection seat, a semi-conductive water-blocking tape wrapping bag, a PE waterproof sleeve, a mineral filling layer, a steel wire reinforcing core, a PVC insulating sleeve, a mineral wrapping tape and polyurethane foam, the sealing connection seat is arranged on the upper side of the armor, the semi-conductive water-blocking tape wrapping bag is assembled on the inner side of the armor, the PE waterproof sleeve is assembled on the inner side of the semi-, the outer side of the conductive core is assembled with polyurethane foam, the annular side surface of the polyurethane foam is assembled with a mineral tape, and the annular side surface of the mineral tape is assembled with a PVC insulating sleeve.

Furthermore, the sealing connection seat is in a shape of a Chinese character 'hui', and the left side and the right side of the sealing connection seat are welded with the armor.

Further, the inner material of the mineral filling layer is expanded perlite.

Further, the annular side face of the steel wire reinforcing core is provided with an anti-slip rubber sleeve, the steel wire reinforcing cores are provided with three groups, and the specifications of the three groups of steel wire reinforcing cores are the same.

Further, PVC insulating cover embedding is inside the mineral substance filling layer, PVC insulating cover is equipped with three groups, and three groups of PVC insulating cover specifications are the same.

Furthermore, the conducting cores are provided with a plurality of groups, and the conducting cores are arranged in the closest packing winding mode.

The utility model has the advantages that: the utility model discloses a high strength thermal-insulated cable that blocks water, because of the utility model discloses added sealed linking seat, semiconduction waterproofing area around package, the waterproof cover of PE, mineral substance filling layer, steel wire reinforcing core, the insulating cover of PVC, mineral substance band and polyurethane foam, this design can effectively improve the thermal-insulated effect that blocks water of cable, has solved the thermal-insulated not good problem of effect that blocks water of original cable, has improved the utility model discloses a thermal-insulated water-blocking nature.

Because of sealed linking up the seat for returning the font, the sealed linking up the seat left and right sides and armor welding mutually, this design is convenient to encapsulate the armor, because of the inside material of mineral substance filling layer is expanded perlite, and this design utilizes the material to be effectively thermal-insulated for expanded perlite's mineral substance filling layer, consolidates the core annular side because of the steel wire and is equipped with the antiskid gum cover, and this design improves the reinforcing effect that the steel wire consolidates the core, the utility model discloses rational in infrastructure, be convenient for improve power cable's the effect that blocks water and insulate against heat.

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 a high-strength heat-insulating water-blocking cable of the present invention;

fig. 2 is a schematic structural view of a heat-insulating and waterproof mechanism in a high-strength heat-insulating and waterproof cable of the present invention;

FIG. 3 is a cross-sectional view of the heat-insulating and water-proof mechanism in the high-strength heat-insulating and water-proof cable of the present invention;

in the figure: the cable comprises a cable body 1, a low-smoke halogen-free sheath 2, an armor 3, a heat insulation waterproof mechanism 4, a conductive core 5, a sealing connection seat 41, a semi-conductive water blocking tape wrapping 42, a PE waterproof jacket 43, a mineral filling layer 44, a steel wire reinforcing core 45, a PVC insulating jacket 46, a mineral wrapping tape 47 and polyurethane foam 48.

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. 1-3, the present invention provides a technical solution: the utility model provides a high strength cable that blocks water that insulates against heat, includes cable main part 1, low smoke and zero halogen sheath 2, armor 3, thermal-insulated waterproof mechanism 4 and electrically conductive core 5, and 1 outside of cable main part is equipped with low smoke and zero

halogen sheath

2, and 2 inboards of low smoke and zero halogen sheath are equipped with armor 3, and electrically conductive core 5 is installed to 3 inboards of armor, and 1 inside thermal-insulated waterproof mechanism 4 that is provided with of cable main part.

Thermal-insulated waterproof mechanism 4 is including sealed linking up seat 41, the semi-conductive waterproofing tape winds package 42, the waterproof cover 43 of PE, mineral substance filling layer 44, steel wire reinforcement core 45, PVC insulation cover 46, mineral substance band 47 and

polyurethane foam

48, 3 upsides of armor are provided with sealed linking up

seat

41, 3 inboards of armor are equipped with the semi-conductive waterproofing tape around package 42, the semi-conductive waterproofing tape is equipped with the waterproof cover 43 of PE around package 42 inboard, the waterproof cover 43 inboard of PE is provided with mineral substance filling layer 44, mineral substance filling layer 44 internal assembly has steel wire reinforcement core 45, the 5 outsides of conductive core are equipped with polyurethane foam 48, polyurethane foam 48 ring flank is equipped with mineral substance band 47, mineral substance band 47 ring flank is equipped with PVC insulation cover 46, the not good problem of original cable thermal-insulated water-blocking effect has been solved.

Sealed joint seat 41 is the font of returning the letter, sealed joint seat 41 left and right sides welds with armor 3 mutually, this design is convenient encapsulates armor 3, mineral filling layer 44 internal material is expanded perlite, this design utilizes the material to be expanded perlite's mineral filling layer 44 effective heat preservation thermal-insulated, the steel wire consolidates core 45 annular side and is equipped with the antiskid gum cover, the steel wire consolidates core 45 and is equipped with three groups, and three steel wires of group consolidate core 45 specifications the same, this design improves the reinforcement effect that the steel wire consolidates core 45.

The PVC insulation cover 46 is embedded in the mineral filling layer 44, the PVC insulation cover 46 is provided with three groups, the three groups of PVC insulation covers 46 have the same specification, the design improves the power transmission type or power of the cable main body 1, the conductive core 5 is provided with a plurality of groups, the internal arrangement mode of the conductive cores 5 is the closest packing winding, and the design prevents the conductive core 5 from extruding and deforming.

As an embodiment of the present invention: through analyzing the cable main body 1, the upper side of the armor 3 is packaged through the sealing connecting seat 41, the armor 3 is effectively sealed and isolated, a good water-blocking sealing effect is achieved, a semi-conductive water-blocking tape wrapping 42 and a PE waterproof sleeve 43 are assembled inside the armor 3, the water-blocking effect is further improved, a mineral filling layer 44 is filled inside the PE waterproof sleeve 43, the mineral filling layer 44 is made of expanded perlite, heat insulation is effectively achieved, in addition, the polyurethane foam 48 and the mineral tape 47 are assembled outside the conductive core 5, so that the heat generated by the conductive core 5 can be effectively conducted, the situation that a large amount of heat generated by the operation of the conductive core 5 cannot be dissipated is prevented, the PVC insulating sleeve 46 is assembled outside the mineral tape 47, so that internal discharge is effectively prevented, the insulating effect is improved, realized above the utility model relates to a high strength thermal-insulated cable that blocks water and thermal-insulated effect.

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 a high strength cable that blocks water that insulates against heat, includes cable main part, low smoke and zero halogen sheath, armor, thermal-insulated waterproof mechanism and electrically conductive core, its characterized in that: the cable is characterized in that a low-smoke halogen-free sheath is assembled on the outer side of the cable main body, an armor is assembled on the inner side of the low-smoke halogen-free sheath, a conductive core is installed on the inner side of the armor, and a heat-insulating waterproof mechanism is arranged in the cable main body;

the heat-insulation waterproof mechanism comprises a sealing connection seat, a semi-conductive water-blocking tape wrapping bag, a PE waterproof sleeve, a mineral substance filling layer, a steel wire reinforcing core, a PVC insulating sleeve, a mineral substance wrapping tape and polyurethane foam, wherein the sealing connection seat is arranged on the upper side of the armor, the semi-conductive water-blocking tape wrapping bag is assembled on the inner side of the armor, the PE waterproof sleeve is assembled on the inner side of the semi-conductive water-blocking tape wrapping bag, the mineral substance filling layer is arranged on the inner side of the PE waterproof sleeve, the steel wire reinforcing core is assembled inside the mineral substance filling layer, the polyurethane foam is assembled on the outer side of the conductive core, the mineral substance wrapping tape is assembled on the annular side face of.

2. A high strength, thermally insulating, water-blocking cable as claimed in claim 1, wherein: the sealing connection seat is in a shape of a Chinese character 'hui', and the left side and the right side of the sealing connection seat are welded with the armor.

3. A high strength, thermally insulating, water-blocking cable as claimed in claim 1, wherein: the material in the mineral filling layer is expanded perlite.

4. A high strength, thermally insulating, water-blocking cable as claimed in claim 1, wherein: the annular side surface of the steel wire reinforcing core is provided with an anti-skid rubber sleeve, the steel wire reinforcing core is provided with three groups, and the specifications of the three groups of steel wire reinforcing cores are the same.

5. A high strength, thermally insulating, water-blocking cable as claimed in claim 1, wherein: the PVC insulating cover is embedded inside the mineral filling layer, the PVC insulating cover is provided with three groups, and the specifications of the three groups of PVC insulating covers are the same.

6. A high strength, thermally insulating, water-blocking cable as claimed in claim 1, wherein: the conducting cores are provided with a plurality of groups, and the internal arrangement modes of the conducting cores are the closest packed winding.