CN214226593U - High-performance plastic insulation power cable - Google Patents

Abstract

The utility model discloses a high-performance plastic insulation power cable, which comprises an anti-corrosion insulation pipe, wherein a silk screen explosion-proof layer is arranged inside the anti-corrosion insulation pipe, an insulation rubber layer is arranged inside the silk screen explosion-proof layer, an outer anti-interference layer is arranged inside the insulation rubber layer, protection rings are sleeved on the outer side of the outer anti-interference layer at equal intervals, a toughness steel wire is symmetrically connected between adjacent protection rings, a hidden groove is arranged inside the insulation rubber layer and corresponds to the protection ring position, a fire-proof layer is arranged between the silk screen explosion-proof layer and the anti-corrosion insulation pipe, the strength of the cable can be enhanced through the matching of the protection rings, the toughness steel wire and the silk screen explosion-proof layer, the pressure resistance of the cable is stronger, the cable is prevented from being deformed, broken and damaged due to the extrusion of an external object, the protection effect on the cable is good, and the anti-explosion, anti-corrosion and insulation of the cable can be adapted to various working environments through the matching of the anti-corrosion insulation pipe, the silk screen explosion-proof layer and the fire-proof layer, the cable is convenient to use.

Description

High-performance plastic insulation power cable

Technical Field

The utility model relates to a power cable technical field specifically is an insulating power cable of high performance plastics.

Background

The power cable is used for transmitting and distributing electric energy, 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, and is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, wherein the proportion of the cable in the power line is gradually increased.

But receive external object extrusion easy deformation breakage damage in the power cable use in the existing market, protection effect to the cable is general, and the cable can not adapt to high pressure high temperature operational environment moreover, is unfavorable for using the cable.

SUMMERY OF THE UTILITY MODEL

The utility model provides an insulating power cable of high performance plastics receives external object extrusion easy deformation and breaks the damage in can effectively solving the power cable use that proposes in the above-mentioned background art, and is general to the protection effect of cable, and the cable can not adapt to high pressure high temperature's operational environment moreover, is unfavorable for the problem of using the cable.

In order to achieve the above object, the utility model provides a following technical scheme: a high-performance plastic insulation power cable comprises an anticorrosion insulation pipe, wherein a protection assembly is arranged in the anticorrosion insulation pipe and comprises a silk screen explosion-proof layer, an insulation rubber layer, an outer anti-interference layer, a protection ring, a tough steel wire, a hidden groove and a fireproof layer;

the utility model discloses a wire mesh explosion-proof insulation pipe, including anticorrosion insulating pipe, silk mesh explosion-proof layer, insulating rubber layer inside is equipped with outer anti-interference layer, the protection ring has been cup jointed to outer anti-interference layer outside equidistance, and is adjacent symmetric connection has the toughness steel wire between the protection ring, the inside hidden groove of having seted up of protection ring position department that corresponds of insulating rubber layer, be equipped with the flame retardant coating between silk mesh explosion-proof layer and the anticorrosion insulating pipe.

Preferably, the protection ring is located inside the hidden groove, and the outer diameter of the insulating rubber layer is larger than that of the protection ring.

Preferably, an isolation assembly is arranged in the outer anti-interference layer, and the isolation assembly comprises an isolation cylinder, an isolation pipe, an inner anti-interference layer, a support block, a polyethylene insulation layer, a cable core, a heat insulation mica tape and a flame retardant filler;

the utility model discloses a cable core, including outer anti-interference layer, insulating section of thick bamboo, insulating pipe, supporting shoe, anti-interference layer, fire-retardant filler, polyethylene insulating layer internally mounted has cable core, the parcel of the cable core outside has thermal-insulated mica tape.

Preferably, the cable core is formed by twisting a plurality of copper core wires, and the heat insulation mica tape is positioned between the cable core and the polyethylene insulating layer.

Preferably, the inner diameter of the outer anti-interference layer is equal to the outer diameter of the isolation cylinder, and the inner diameter of the inner anti-interference layer is equal to the outer diameter of the polyethylene insulation layer.

Preferably, the length of the flexible steel wire is greater than that of the protection ring, and the flexible steel wire is located inside the insulating rubber layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with insulating rubber layer, the protection ring, toughness steel wire and hidden groove, through the protection ring, the cooperation of toughness steel wire and silk screen explosion-proof layer can strengthen the intensity of cable, make cable compressive capacity stronger, prevent to lead to the cable to warp to break and damage because of external object extrusion, it is effectual to the protection of cable, and through anticorrosive insulating tube, silk screen explosion-proof layer and flame retardant coating cooperation, can make cable fire prevention explosion-proof anticorrosive insulating, make the cable can adapt to the operational environment of high pressure high temperature, do benefit to and use the cable.

2. Be provided with isolated section of thick bamboo, isolated pipe, supporting shoe and polyethylene insulating layer, through isolated section of thick bamboo, isolated pipe and supporting shoe cooperation can be isolated between the cable core, avoid the mutual interference influence between the cable core, the insulating properties of cable has been promoted for cable result of use is better, and can carry out thermal-insulated insulation protection to the cable core through polyethylene insulating layer and thermal-insulated mica tape, avoids the cable core to damage, stability in the improvement cable working process.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the installation structure of the protection ring of the present invention;

fig. 3 is a schematic view of the installation structure of the isolation cylinder of the present invention;

FIG. 4 is a schematic view of the supporting block mounting structure of the present invention;

reference numbers in the figures: 1. an anticorrosive insulating pipe;

2. a protection component; 201. a wire mesh explosion-proof layer; 202. an insulating rubber layer; 203. an outer anti-interference layer; 204. a guard ring; 205. a tough steel wire; 206. hiding the groove; 207. a fire barrier layer;

3. an isolation component; 301. an isolation cylinder; 302. an isolation tube; 303. an inner anti-interference layer; 304. a support block; 305. a polyethylene insulating layer; 306. a cable core; 307. a heat insulating mica tape; 308. a flame retardant filler.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the present invention provides a technical solution, a high performance plastic insulated power cable, comprising an anticorrosive insulating pipe 1, a protection component 2 is arranged inside the anticorrosive insulating pipe 1, the protection component 2 comprises a wire mesh explosion-proof layer 201, an insulating rubber layer 202, an outer anti-interference layer 203, a protection ring 204, a flexible steel wire 205, a hidden groove 206 and a fire-proof layer 207, the wire mesh explosion-proof layer 201 is arranged inside the anticorrosive insulating pipe 1, the insulating rubber layer 202 is arranged inside the wire mesh explosion-proof layer 201, the outer anti-interference layer 203 is arranged inside the insulating rubber layer 202, the protection ring 204 is sleeved outside the outer anti-interference layer 203 at equal distance, the flexible steel wire 205 is symmetrically connected between adjacent protection rings 204, the hidden groove 206 is arranged inside the insulating rubber layer 202 corresponding to the protection ring 204, the fire-proof layer 207 is arranged between the wire mesh explosion-proof layer 201 and the anticorrosive, insulating rubber layer 202 external diameter is greater than protection ring 204 external diameter, toughness steel wire 205's length is greater than protection ring 204's length, toughness steel wire 205 is located inside insulating rubber layer 202, through protection ring 204, toughness steel wire 205 and the cooperation of the explosion-proof layer 201 of silk screen can strengthen the intensity of cable, make cable compressive capacity stronger, prevent to lead to the cable deformation to break damage because of external object extrusion, it is effectual to the protection of cable, and through anticorrosive insulating tube 1, the cooperation of explosion-proof layer 201 of silk screen and flame retardant coating 207, can make the explosion-proof anticorrosive insulation of cable fire prevention, make the cable can adapt to multiple operational environment, do benefit to the use cable.

The inner part of the outer anti-interference layer 203 is provided with an isolation component 3, the isolation component 3 comprises an isolation cylinder 301, an isolation pipe 302, an inner anti-interference layer 303, supporting blocks 304, a polyethylene insulating layer 305, cable cores 306, a heat insulation mica tape 307 and a flame retardant filler 308, the isolation cylinder 301 is arranged in the outer anti-interference layer 203, the isolation pipes 302 are arranged in the isolation cylinder 301 at equal intervals, the supporting blocks 304 are arranged between the adjacent isolation pipes 302 at equal intervals, the inner anti-interference layer 303 is arranged in the isolation pipe 302, the flame retardant filler 308 is filled between the inner anti-interference layer 303 and the isolation pipe 302, the polyethylene insulating layer 305 is arranged in the inner anti-interference layer 303, the cable cores 306 are arranged in the polyethylene insulating layer 305, the heat insulation mica tape 307 is wrapped outside the cable cores 306, the cable cores 306 are formed by twisting a plurality of copper core wires, and the heat insulation mica tape 307 is positioned between the cable cores 306 and the polyethylene insulating layer 305, outer anti-interference layer 203 internal diameter equals with isolated section of thick bamboo 301 external diameter, interior anti-interference layer 303 internal diameter equals with polyethylene insulating layer 305 external diameter, through isolated section of thick bamboo 301, isolated pipe 302 and supporting shoe 304 cooperation can be isolated between cable core 306, avoid the mutual interference influence between cable core 306, the insulating properties of cable has been promoted, make cable result of use better, and can carry out thermal-insulated insulation protection to cable core 306 through polyethylene insulating layer 305 and thermal-insulated mica tape 307, avoid cable core 306 to damage, stability in the improvement cable working process.

The utility model discloses a theory of operation and use flow: the material of anticorrosive insulating tube 1 and insulating section of thick bamboo 301 is polyethylene, the material of insulating rubber layer 202 is insulating rubber colloid, fire-retardant filler 308 is fire-retardant mineral compound, the material of flame retardant coating 207 is halogen-free polyolefin material, the material of thermal-insulated mica tape 307 is fire-resistant mica, insulating pipe 302 is soft magnetic ferrite, the material of interior anti-interference layer 303 and outer anti-interference layer 203 is anti-interference copper net, the material of protection ring 204 is titanium alloy, the explosion-proof layer 201 of silk screen is the wire net that fills insulating rubber colloid.

Under the matching of the protective ring 204, the tough steel wire 205 and the silk screen explosion-proof layer 201, the strength of the cable can be enhanced, so that the cable has stronger pressure resistance, the cable is prevented from being deformed, broken and damaged due to extrusion of external objects, the cable is well protected, and under the matching of the anti-corrosion insulating pipe 1, the silk screen explosion-proof layer 201 and the fireproof layer 207, the cable can be subjected to fire prevention, explosion prevention, corrosion prevention and insulation, so that the cable can adapt to various working environments and is beneficial to use of the cable;

insulating section of thick bamboo 301 again, isolated pipe 302 and supporting shoe 304 cooperate down can be to completely cut off between the cable core 306, avoid the mutual interference influence between the cable core 306, the insulating properties of cable has been promoted, make cable result of use better, and cable core 306 has cup jointed polyethylene insulation layer 305 and thermal-insulated mica tape 307, can carry out thermal-insulated insulation protection to cable core 306, avoid cable core 306 to damage, improve the stability in the cable working process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high performance plastic insulation power cable, includes anticorrosive insulating tube (1), its characterized in that: a protection component (2) is arranged inside the anticorrosion insulating pipe (1), and the protection component (2) comprises a wire mesh explosion-proof layer (201), an insulating rubber layer (202), an outer anti-interference layer (203), a protection ring (204), a tough steel wire (205), a hidden groove (206) and a fireproof layer (207);

anticorrosive insulating tube (1) inside is equipped with silk screen explosion-proof layer (201), silk screen explosion-proof layer (201) inside is equipped with insulating rubber layer (202), insulating rubber layer (202) inside is equipped with outer anti-interference layer (203), outer anti-interference layer (203) outside equidistance has cup jointed protection ring (204), and is adjacent symmetrical connection has toughness steel wire (205) between protection ring (204), insulating rubber layer (202) inside corresponds protection ring (204) position department and has seted up hidden groove (206), be equipped with flame retardant coating (207) between silk screen explosion-proof layer (201) and anticorrosive insulating tube (1).

2. A high performance plastic insulated power cable according to claim 1, characterized in that the protective ring (204) is located inside the hidden groove (206), the outer diameter of the insulating rubber layer (202) being larger than the outer diameter of the protective ring (204).

3. The high-performance plastic insulated power cable according to claim 1, wherein the outer anti-interference layer (203) is internally provided with an insulation component (3), and the insulation component (3) comprises an insulation cylinder (301), an insulation pipe (302), an inner anti-interference layer (303), a support block (304), a polyethylene insulation layer (305), a cable core (306), a heat insulation mica tape (307) and a flame retardant filler (308);

outer anti-interference layer (203) inside is equipped with isolated section of thick bamboo (301), isolated pipe (302) are installed to isolated section of thick bamboo (301) inside equidistance, and are adjacent supporting shoe (304) are installed to the equidistance between isolated pipe (302), anti-interference layer (303) in isolated pipe (302) inside being equipped with, it has fire-retardant filler (308) to fill between interior anti-interference layer (303) and isolated pipe (302) inside, the inside polyethylene insulation layer (305) that is equipped with of interior anti-interference layer (303), polyethylene insulation layer (305) internally mounted has cable core (306), cable core (306) outside parcel has thermal-insulated mica tape (307).

4. A high performance plastic insulated power cable according to claim 3, characterized in that the cable core (306) is composed of several twisted copper core wires, and the insulating mica tape (307) is located between the cable core (306) and the polyethylene insulation layer (305).

5. A high performance plastic insulated power cable according to claim 3, characterized in that the inner diameter of the outer tamper resistant layer (203) is equal to the outer diameter of the insulating cylinder (301), and the inner tamper resistant layer (303) is equal to the outer diameter of the polyethylene insulating layer (305).

6. A high performance plastic insulated power cable according to claim 1, characterized in that the length of the ductile steel wire (205) is larger than the length of the protective ring (204), the ductile steel wire (205) being located inside the insulating rubber layer (202).

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