CN216817869U

CN216817869U - Intelligent composite cable for smart power grid

Info

Publication number: CN216817869U
Application number: CN202220542406.2U
Authority: CN
Inventors: 鲍龙标
Original assignee: Nanjing Nongchuang Intelligent Building Technology Research Institute Co ltd
Current assignee: Nanjing Nongchuang Intelligent Building Technology Research Institute Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-06-24
Anticipated expiration: 2032-03-14

Abstract

The utility model relates to the technical field of power transmission equipment, in particular to an intelligent composite cable for an intelligent power grid, which comprises an outer protective layer, wire core layers and conductors, wherein an inner protective layer is arranged on the inner side of the outer protective layer, the inner side of the inner protective layer is provided with the wire core layers, the wire core layers are provided with three groups, the three groups of wire core layers are distributed in an equilateral triangle manner, the inner side of each group of wire core layers is provided with the conductors, each group of conductors is made of nonferrous metals with good electric conductivity, such as copper, aluminum, copper-clad steel, copper-clad aluminum and the like, the device can isolate the external high temperature from the inside of the cable by arranging the wire core layers, because the inside of the wire core layers comprises a heat insulating layer and a fire-resistant layer, the use requirement of heat insulation and fire resistance of the cable is increased, a water blocking layer can avoid the water source from permeating into the cable to cause the burning of the inside of the cable, and in addition, the electromagnetic field in the cable is effectively isolated from the external electromagnetic field by arranging the shielding layer, or the different conductors in the cable are isolated and protected from each other.

Description

Intelligent composite cable for smart power grid

Technical Field

The utility model relates to the technical field of power transmission equipment, in particular to an intelligent composite cable for an intelligent power grid.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wire, along with the promotion of people's safety consciousness, more and more occasions begin to use compound cable except that realize power transmission.

Although the existing composite cable has certain fireproof capacity, the fireproof performance and the heat insulation performance of the existing composite cable cannot meet the use requirements, and in addition, the existing composite cable is easily corroded by rainwater and soil in use, the service life of the existing composite cable is influenced, and the normal power supply of the cable is easily caused, so that the intelligent composite cable for the smart grid is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent composite cable for an intelligent power grid, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an intelligent composite cable for smart power grids, includes outer jacket, line core layer and conductor, the inboard of outer jacket is provided with interior sheath, the inboard of interior sheath is provided with wired sandwich layer, the line core layer is provided with three groups altogether, and three groups the line core layer is equilateral triangle and distributes, and every group the inboard of line core layer all is provided with the conductor, every group the conductor is made by the non ferrous metal that electric conductive property is good such as copper, aluminium, copper clad steel, copper clad aluminium.

As a preferable scheme of the present invention, the core layer includes a conductor shielding layer, the conductor shielding layer is adhered to an outer surface of the conductor, a water blocking layer is adhered to an outer side of the conductor shielding layer, a fire-resistant layer is adhered to an outer side of the water blocking layer, and a thermal insulation layer is adhered to an outer side of the fire-resistant layer.

As a preferable scheme of the present invention, the outer protective layer includes a metal shielding layer, an armor layer is bonded to an outer side of the metal shielding layer, a polypropylene fiber layer is bonded to an outer side of the armor layer, vacuum chambers are formed in the armor layer, two vacuum chambers are formed in the armor layer, and the two vacuum chambers are symmetrically arranged.

According to the preferable scheme, the surface of the outer side of the polypropylene fiber layer is adhered with the protective sleeve through waterproof glue, the outer surface of the protective sleeve is provided with two connecting clamping grooves, sealing clamping blocks are adhered inside the two connecting clamping grooves through the waterproof glue, the surface of one side, away from the connecting clamping grooves, of the two sealing clamping blocks is fixedly connected with the sealing belt, and the surface of the inner side of the sealing belt is adhered with the surface of the outer side of the protective sleeve through the waterproof glue.

As a preferable scheme of the utility model, the inner sheath layer comprises an insulating layer, and a filling layer is arranged between the insulating layer and the wire core layer.

As a preferable scheme of the present invention, the surface of the outer side of the insulating layer and the surface of the inner side of the metal shielding layer are bonded by glue.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged wire core layer, because the inside of the wire core layer comprises the heat insulation layer and the fireproof layer, the outside high temperature can be isolated from the inside of the cable, the heat insulation fireproof use requirement of the cable is increased, the waterproof layer can prevent the water source from permeating into the cable to cause the burning of the inside of the cable, and in addition, the arrangement of the shielding layer can effectively isolate the electromagnetic field in the cable from the outside electromagnetic field or isolate and protect different conductors in the cable from each other.

2. According to the utility model, through the arrangement of the protective sleeve, the sealing belt, the sealing fixture block and the connecting clamping groove, the protective sleeve is adhered to the outer side of the outer protective layer through waterproof glue, the sealing belt is adhered to the connecting gap of the protective sleeve through the glue, so that rainwater and soil are prevented from entering from the gap to corrode the cable, in addition, the sealing belt and the protective sleeve can be detached (only aiming at the cable with short length), the cable can be replaced in time, and the service life of the cable is greatly prolonged.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic overall side-view cross-sectional configuration of the present invention;

fig. 3 is a schematic side sectional view of the wire core layer according to the present invention.

In the figure: the cable comprises a protective sleeve 1, a sealing belt 2, an outer protective layer 3, a polypropylene fiber layer 301, a metal shielding layer 302, an armor layer 303, a vacuum cavity 304, an inner protective layer 4, an insulating layer 401, a filling layer 402, a wire core layer 5, a conductor shielding layer 501, a water-blocking layer 502, a fire-resistant layer 503, a heat-insulating layer 504, a conductor 6, a connecting clamping groove 7 and a sealing clamping block 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

in the embodiment, referring to fig. 1, 2 and 3, an intelligent composite cable for a smart grid includes an outer sheath 3, a core layer 5 and conductors 6, the inner sheath 3 is disposed on the inner side of the outer sheath 3, the inner sheath 4 is disposed on the inner side of the core layer 5, the core layer 5 is provided with three groups, the three groups of core layers 5 are distributed in an equilateral triangle, the conductors 6 are disposed on the inner side of each group of core layers 5, each group of conductors 6 is made of nonferrous metals with good electrical conductivity such as copper, aluminum, copper-clad steel, copper-clad aluminum, etc., the core layer 5 includes a conductor shield 501, the conductor shield 501 is adhered on the outer surface of the conductor 6, the outer side of the conductor shield 501 is adhered with a water-blocking layer 502, the outer side of the water-blocking layer 502 is adhered with a fire-resistant layer 503, the outer side of the fire-resistant layer is adhered with a thermal-insulating layer 504, the inner sheath 4 includes an insulating layer 401, and a filling layer 402 is disposed between the insulating layer 401 and the core layers 5, the surface of the outer side of the insulating layer 401 is bonded with the surface of the inner side of the metal shielding layer 302 through glue, according to the utility model, through the arranged wire core layer 5, as the inside of the wire core layer 5 comprises the heat insulation layer 504 and the fire-resistant layer 503, the external high temperature can be isolated from the inside of the cable, the use requirement of the cable for heat insulation and fire resistance is increased, the water-resistant layer 502 can prevent the water source from permeating into the cable to cause the burning of the inside of the cable, in addition, the arrangement of the shielding layer can effectively isolate the electromagnetic field in the cable from the external electromagnetic field, or isolate and protect different conductors 6 in the cable from each other.

In the embodiment, referring to fig. 1, 2 and 3, the outer protective layer 3 includes a metal shielding layer 302, an armor layer 303 is adhered to the outer side of the metal shielding layer 302, a polypropylene fiber layer 301 is adhered to the outer side of the armor layer 303, two vacuum chambers 304 are formed inside the armor layer 303, the two vacuum chambers 304 are symmetrically arranged, the surface of the outer side of the polypropylene fiber layer 301 is adhered to a protective sleeve 1 through waterproof glue, a connecting clamping groove 7 is formed in the outer surface of the protective sleeve 1, the connecting clamping groove 7 is provided with two sealing clamping blocks 8, the sealing clamping blocks 8 are adhered to the inner side of the two connecting clamping grooves 7 through the waterproof glue, a sealing belt 2 is fixedly connected to the surface of one side of the two sealing clamping blocks 8, which is far away from the connecting clamping groove 7, the surface of the inner side of the sealing belt 2 is mutually adhered to the surface of the outer side of the protective sleeve 1 through the waterproof glue, and the protective sleeve 1, the outer side of the protective sleeve is mutually adhered through the waterproof glue Sealing belt 2 and sealed fixture block 8 and connecting slot 7, because the outside of outer jacket 3 is again through waterproof glue glutinous one deck lag 1 has, and the joint line department of lag 1 utilizes glue to adhere sealed belt 2 again, thereby avoid rainwater earth to get into from the gap and make the cable suffer the erosion, sealing belt 2 and lag 1 can demolish in addition (here is only to the cable that length is short), make it in time to change, the live time and the life-span of cable have been prolonged greatly.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent composite cable for smart power grids, includes outer jacket (3), core layer (5) and conductor (6), its characterized in that: the inboard of outer jacket (3) is provided with inner sheath (4), the inboard of inner sheath (4) is provided with wired sandwich layer (5), sandwich layer (5) are provided with three groups altogether, three groups sandwich layer (5) are equilateral triangle and distribute, and every group the inboard of sandwich layer (5) all is provided with conductor (6), every group conductor (6) are made by the good non ferrous metal of electric conductive properties such as copper, aluminium, copper clad steel, copper clad aluminium.

2. The smart composite cable for the smart grid according to claim 1, wherein: the wire core layer (5) comprises a conductor shielding layer (501), the conductor shielding layer (501) is adhered to the outer surface of the conductor (6), a water blocking layer (502) is adhered to the outer side of the conductor shielding layer (501), a fire resistant layer (503) is adhered to the outer side of the water blocking layer (502), and a heat insulating layer (504) is adhered to the outer side of the fire resistant layer (503).

3. The smart composite cable for the smart grid according to claim 1, wherein: the outer jacket (3) include metallic shield layer (302), the outside of metallic shield layer (302) is glued and is glued armor (303), the outside of armor (303) is glued and is glued polypropylene fiber layer (301), just vacuum cavity (304) have been seted up to the inside of armor (303), vacuum cavity (304) are provided with two altogether, two vacuum cavity (304) symmetry sets up.

4. The smart composite cable for the smart grid according to claim 3, wherein: the utility model discloses a waterproof protective cover, including polypropylene fiber layer (301), lag (1) is glued to the surface in the polypropylene fiber layer outside through waterproof glue, connecting slot (7) have been seted up to the surface of lag (1), connecting slot (7) are provided with two, two altogether connecting slot's (7) inside is all glued through waterproof glue and is glued sealed fixture block (8), two connecting slot's (7) one side fixed surface is kept away from in sealed fixture block (8) is connected with sealed belt (2), the surface in the sealed belt (2) inboard and the surface in the lag (1) outside is mutually bonded through waterproof glue.

5. The smart composite cable for the smart grid according to claim 1, wherein: the inner sheath layer (4) comprises an insulating layer (401), and a filling layer (402) is arranged between the insulating layer (401) and the wire core layer (5).

6. The smart composite cable for the smart grid according to claim 5, wherein: and the surface of the outer side of the insulating layer (401) is bonded with the surface of the inner side of the metal shielding layer (302) through glue.