CN112689879A

CN112689879A - Cable or photoelectric composite cable for power system

Info

Publication number: CN112689879A
Application number: CN202080004765.6A
Authority: CN
Inventors: 凌卫康
Original assignee: Changshu Greater Mechanical Product Design Co ltd
Current assignee: Hubei Hengtai Wire And Cable Co ltd
Priority date: 2020-04-23
Filing date: 2020-12-05
Publication date: 2021-04-20
Anticipated expiration: 2040-12-05
Also published as: CN112689879B

Abstract

The utility model provides a cable for power system, has skeleton, transmission unit, is located first protective layer (6) outside the skeleton and is located second protective layer (7) outside first protective layer, loose sleeve pipe (9), is located the optic fibre area body (2) in loose sleeve pipe (9), the skeleton is special structure, and loose sleeve pipe (9), transmission unit are located the skeleton, optic fibre area body (2) are formed by many optical fibre strips are range upon range of, have many optical fiber in every optical fibre strip. And also relates to a photoelectric composite cable. The method has the following main beneficial technical effects: the structure is simpler, easier to make, production speed is faster, the cost is lower, and communication density/power transmission density are higher.

Description

Cable or photoelectric composite cable for power system

Technical Field

The invention belongs to the technical field of electric power and cables, and particularly relates to a cable or a photoelectric composite cable for an electric power system.

Background

CN203337880U discloses a novel skeleton cable used in the field of optical communication signal transmission. The invention relates to a skeleton type optical cable which structurally comprises a reinforcement piece 4 arranged at the center of a strip skeleton 3 with a plurality of skeleton grooves 5 sequentially arranged in the circumferential direction, optical fibers arranged in each skeleton groove 5, and the width of the cross section of each skeleton groove 5 from the groove bottom to the groove opening is sequentially increased; and a gap is formed at the joint of the outer edge of the framework groove 5 and the framework 3, and the barrier plate 1 is arranged at the gap. The framework type optical cable has the advantages of simple and reasonable structure, high practicability, wide application range and strong stability.

CN102610313A discloses an easily identifiable skeleton-type cable, which comprises a skeleton, a reinforcement member at the center of the skeleton, skeleton grooves located on the outer circumference of the skeleton and spaced from each other, cable cores in the skeleton grooves, a protective layer coated on the skeleton, and a sheath extruded on the protective layer, wherein the bottom surfaces of the skeleton grooves are planes; the method is characterized in that: the framework grooves are distributed on the outer circumference of the framework in parallel; the surface of the sheath is provided with a mark strip which is parallel to the axial direction of the reinforcing piece; the identification strip is positioned above the framework groove, and the width of the identification strip at the corresponding position is not more than that of the framework groove; on the orthographic projection of the bottom surface of the framework groove, all the identification strips positioned above the framework groove fall into the range of the bottom surface of the framework groove; the identification strip is continuous or intermittent; the identification strip is protruded out of the sheath. The framework type cable identification method mainly solves the identification problem of the framework type cable. It has the following main beneficial effects: the cable is simple in structure, easy to manufacture, fast and convenient to construct and long in service life.

CN201556432U discloses a skeleton cable, which comprises at least one group of cable cores 5, and is characterized in that: it also comprises a framework 1, a protective layer 3 and an outer protective layer 4; the framework is provided with at least two framework grooves 11, the protective layer 3 is positioned outside the framework, and the outer protective layer 4 is positioned outside the protective layer; the cable core 5 is positioned in the framework groove 11. It has the following beneficial effects: the number of joints of the whole cable is effectively reduced, the connection loss is effectively reduced, the connection time is saved, and the reliability of the system is improved; unnecessary expenditure is reduced in the continuing process, the cost is saved, and the maintenance is more convenient.

Technical problem

The common characteristics of the cables are that the cables have a skeleton, also called skeleton type cables, the skeleton groove on the skeleton is from the outer edge of the skeleton to the center direction, the outside is large, the lower part is small, and the conductor or the optical fiber is positioned in the skeleton groove.

Technical solution

In order to solve the above problems, the present invention discloses a cable or a composite optical/electrical cable for an electric power system, which is implemented by the following technical solutions.

The utility model provides a cable for electric power system, has skeleton, transmission part, is located the first protective layer outside the skeleton and is located second protective layer outside the first protective layer, pine sleeve pipe, is located the optical fiber area body in the pine sleeve pipe, its characterized in that: the framework is composed of a first protection pipe, a first convex part, a second convex part, a third convex part, a first annular part, a second annular part and a third annular part, wherein the first protection pipe is of a tubular structure, a central hole is formed in the first protection pipe, the first convex part, the second convex part and the third convex part are symmetrically distributed outside the first protection pipe, the first convex part, the second convex part and the third convex part are all protruded from the outer wall body of the first protection pipe, the heights of the first convex part, the second convex part and the third convex part are the same, the first annular part, the second annular part and the third annular part are symmetrically distributed outside the first protection pipe, the first annular part is positioned right above the first convex part, the inner wall of the first annular part is connected with the outer wall of the first convex part, the second annular part is positioned right above the second convex part, and the inner wall of the second annular part is connected with the outer wall of the second convex part, the third annular component is positioned right above the third convex component, the inner wall of the third annular component is connected with the outer wall of the third convex component, the bisecting plane of the first convex component bisects the axis of the first protection pipe and bisects the first annular component, the bisecting plane of the second convex component bisects the axis of the first protection pipe and bisects the second annular component, the bisecting plane of the third convex component bisects the axis of the first protection pipe and bisects the third annular component, the first protection pipe, the first convex component, the second convex component, the first annular component and the second annular component enclose a hollow first annular groove, the first protection pipe, the second convex component, the third convex component, the second annular component and the third annular component enclose a hollow second annular groove, and the first protection pipe, the first convex component, the third convex component, the first annular component and the third annular component enclose a hollow third annular groove, the first opening channel is communicated with the first annular groove and is positioned right above the first annular groove, the first opening channel isolates the first annular part and the second annular part, the second opening channel is communicated with the second annular groove and is positioned right above the second annular groove, the second opening channel isolates the second annular part and the third annular part, the third opening channel is communicated with the third annular groove and is positioned right above the third annular groove, the third opening channel isolates the first annular part and the third annular part, the fourth opening channel is positioned on the left side of the third convex part, the fourth opening channel penetrates through the side wall of the first protection pipe, and the fourth opening channel is communicated with the second annular groove; the loose tube is positioned in the central hole, the first transmission part is positioned in the first annular groove, the second transmission part is positioned in the second annular groove, and the third transmission part is positioned in the third annular groove; the first transmission member is a first conductor, the second transmission member is a second conductor, and the third transmission member is a third conductor; or the first transmission part consists of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission part consists of a second conductor and a second insulating sleeve coated outside the second conductor, and the third transmission part consists of a third conductor and a third insulating sleeve coated outside the third conductor; the optical fiber belt body is formed by laminating a plurality of optical fiber belts, and each optical fiber belt is internally provided with a plurality of optical fibers.

The utility model provides a cable for electric power system, has skeleton, transmission part, is located the first protective layer outside the skeleton and is located second protective layer outside the first protective layer, pine sleeve pipe, is located the optical fiber area body in the pine sleeve pipe, its characterized in that: the framework is composed of a first protection pipe, a first convex part, a second convex part, a third convex part, a first annular part, a second annular part and a third annular part, wherein the first protection pipe is of a tubular structure, a central hole is formed in the first protection pipe, the first convex part, the second convex part and the third convex part are symmetrically distributed outside the first protection pipe, the first convex part, the second convex part and the third convex part are all protruded from the outer wall body of the first protection pipe, the heights of the first convex part, the second convex part and the third convex part are the same, the first annular part, the second annular part and the third annular part are symmetrically distributed outside the first protection pipe, the first annular part is positioned right above the first convex part, the inner wall of the first annular part is connected with the outer wall of the first convex part, the second annular part is positioned right above the second convex part, and the inner wall of the second annular part is connected with the outer wall of the second convex part, the third annular component is positioned right above the third convex component, the inner wall of the third annular component is connected with the outer wall of the third convex component, the bisecting plane of the first convex component bisects the axis of the first protection pipe and bisects the first annular component, the bisecting plane of the second convex component bisects the axis of the first protection pipe and bisects the second annular component, the bisecting plane of the third convex component bisects the axis of the first protection pipe and bisects the third annular component, the first protection pipe, the first convex component, the second convex component, the first annular component and the second annular component enclose a hollow first annular groove, the first protection pipe, the second convex component, the third convex component, the second annular component and the third annular component enclose a hollow second annular groove, and the first protection pipe, the first convex component, the third convex component, the first annular component and the third annular component enclose a hollow third annular groove, the first opening channel is communicated with the first annular groove and is positioned right above the first annular groove, the first opening channel isolates the first annular part and the second annular part, the second opening channel is communicated with the second annular groove and is positioned right above the second annular groove, the second opening channel isolates the second annular part and the third annular part, the third opening channel is communicated with the third annular groove and is positioned right above the third annular groove, the third opening channel isolates the first annular part and the third annular part, the fourth opening channel is positioned on the left side of the third convex part, the fourth opening channel penetrates through the side wall of the first protection pipe, and the fourth opening channel is communicated with the second annular groove; the loose tube is positioned in the central hole, the first transmission part is positioned in the first annular groove, the second transmission part is positioned in the second annular groove, and the third transmission part is positioned in the third annular groove; the first transmission part is a plurality of insulated wires, each insulated wire is composed of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission part is a plurality of insulated wires, each insulated wire is composed of a second conductor and a second insulating sleeve coated outside the second conductor, the third transmission part is a plurality of insulated wires, and each insulated wire is composed of a third conductor and a third insulating sleeve coated outside the third conductor; the optical fiber belt body is formed by laminating a plurality of optical fiber belts, and each optical fiber belt is internally provided with a plurality of optical fibers; the first opening channel can be placed in or taken out of the first insulating sleeve after being expanded, the second opening channel can be placed in or taken out of the second insulating sleeve after being expanded, and the third opening channel can be placed in or taken out of the third insulating sleeve after being expanded; and a second insulating sleeve cannot be placed in the fourth open channel.

Alternatively, in this embodiment, the first transmission member is a plurality of optical waveguides, the second transmission member is a plurality of optical waveguides, and the third transmission member is a plurality of optical waveguides; the first opening channel can be used for placing or taking out the optical waveguide after being opened, the second opening channel can be used for placing or taking out the optical waveguide after being opened, and the third opening channel can be used for placing or taking out the optical waveguide after being opened; the optical waveguide cannot be placed in the fourth open channel.

The skeleton described in this application is a unitary structure formed by extrusion.

Preferably, the outer wall of the first annular part, the outer wall of the second annular part and the outer wall of the third annular part in the present application are on the same circumferential cylindrical surface or the same elliptic cylindrical surface.

The first protective layer is made of polypropylene, polyethylene, polybutylene terephthalate, nylon, a low-smoke halogen-free composite material, a low-smoke low-halogen composite material, PVC, TPE, TPU, polytetrafluoroethylene, a polyester tape, a water blocking tape, non-aromatic cloth, a glass fiber tape, a steel tape or polyester binding yarns.

The material of the second protective layer in this application is polypropylene or polyethylene or polybutylene terephthalate or nylon or low smoke and zero halogen composite material or low smoke and low halogen composite material or PVC or TPE or TPU or polytetrafluoroethylene.

The material of the loose tube in the application is polypropylene or polyethylene or polybutylene terephthalate or nylon or low-smoke halogen-free composite material or low-smoke low-halogen composite material or PVC or TPE or TPU or polytetrafluoroethylene or steel or iron or copper or aluminum.

The first, second, third and electrical conductors described herein may all be copper or aluminum or an alloy.

First insulating cover, second insulating cover, third insulating cover, insulating layer all can be polypropylene or polyethylene or polybutylene terephthalate or nylon or low smoke and zero halogen combined material or low smoke and low halogen combined material or PVC or TPE or TPU or polytetrafluoroethylene in this application.

Advantageous effects

The application has the following main beneficial technical effects: the structure is simpler, easier to make, production speed is faster, the cost is lower, and communication density/power transmission density are higher.

Drawings

FIG. 1 is a schematic representation of an anatomical perspective of a scaffold for use in the present application.

Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.

Fig. 3 is a schematic perspective view of a dissected portion of the present invention according to example 1.

Fig. 4 is an enlarged cross-sectional view of fig. 3.

Fig. 5 is a schematic perspective view of a dissected portion of the present invention according to example 2.

Fig. 6 is an enlarged cross-sectional view of fig. 5.

Fig. 7 is a schematic perspective view of a dissected portion of example 3 of the present invention.

Fig. 8 is an enlarged cross-sectional view of fig. 7.

In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 1-a first protective tube, 2-an optical fiber ribbon body, 3-an insulating layer, 4-an electrical conductor, 6-a first protective layer, 7-a second protective layer, 9-a loose tube, 10-a central hole, 21-a first projecting member, 22-a second projecting member, 23-a third projecting member, 31-a first annular member, 32-a second annular member, 33-a third annular member, 41-a first open passage, 42-a second open passage, 43-a third open passage, 44-a fourth open passage, 51-a first annular groove, 52-a second annular groove, 53-a third annular groove, 81-a first transmission member, 82-a second transmission member, 83-a third transmission member.

Best mode for carrying out the invention

Referring to fig. 1 to 4, a cable for an electrical power system includes a frame, a transmission component, a first protection layer 6 located outside the frame, a second protection layer 7 located outside the first protection layer, a loose tube 9, and an optical fiber ribbon body 2 located in the loose tube, wherein: the framework is composed of a first protection tube 1, a first convex part 21, a second convex part 22, a third convex part 23, a first annular part 31, a second annular part 32 and a third annular part 33, wherein the first protection tube 1 is of a tubular structure, a central hole 10 is formed in the first protection tube 1, the first convex part 21, the second convex part 22 and the third convex part 23 are symmetrically distributed outside the first protection tube 1, the first convex part 21, the second convex part 22 and the third convex part 23 all protrude from the outer wall body of the first protection tube 1, the heights of the first convex part 21, the second convex part 22 and the third convex part 23 are the same, the first annular part 31, the second annular part 32 and the third annular part 33 are symmetrically distributed outside the first protection tube 1, the first annular part 31 is positioned right above the first convex part 21, and the inner wall of the first annular part 31 is connected with the outer wall of the first convex part 21, the second annular member 32 is positioned right above the second projecting member 22, the inner wall of the second annular member 32 is connected with the outer wall of the second projecting member 22, the third annular member 33 is positioned right above the third projecting member 23, the inner wall of the third annular member 33 is connected with the outer wall of the third projecting member 23, the bisecting plane of the first projecting member 21 is parallel to the axis of the first protection pipe 1 and bisects the first annular member 31, the bisecting plane of the second projecting member 22 is parallel to the axis of the first protection pipe 1 and bisects the second annular member 32, the bisecting plane of the third projecting member 23 is parallel to the axis of the first protection pipe 1 and bisects the third annular member 33, and the first protection pipe 1, the first projecting member 21, the second projecting member 22, the first annular member 31 and the second annular member 32 enclose a hollow first annular groove 51, and the first protection pipe 1, the second projecting member 22, the third projecting member 23 and the third annular member 23 are connected with the outer wall of the second projecting, The second annular member 32 and the third annular member 33 define a hollow second annular groove 52, the first protection pipe 1, the first protrusion member 21, the third protrusion member 23, the first annular member 31 and the third annular member 33 define a hollow third annular groove 53, the first opening passage 41 communicates with the first annular groove 51 and is positioned right above the first annular groove 51, the first opening passage 41 separates the first annular member 31 and the second annular member 32, the second opening passage 42 communicates with the second annular groove 52 and is positioned right above the second annular groove 52, the second opening passage 42 separates the second annular member 32 and the third annular member 33, the third opening passage 43 communicates with the third annular groove 53 and is positioned right above the third annular groove 53, the third opening passage 43 separates the first annular member 31 and the third annular member 33, and the fourth opening passage 44 is positioned on the left side of the third protrusion member 23, the fourth opening passage 44 penetrates through the side wall of the first protective tube 1, and the fourth opening passage 44 is communicated with the second annular groove 52; the loose tube 9 is located in the central bore 10, the first transmission member 81 is located in the first annular groove 51, the second transmission member 82 is located in the second annular groove 52, and the third transmission member 83 is located in the third annular groove 53; the first transmission member 81 is a first conductor, the second transmission member 82 is a second conductor, and the third transmission member 83 is a third conductor; or the first transmission component 81 is composed of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission component 82 is composed of a second conductor and a second insulating sleeve coated outside the second conductor, and the third transmission component 83 is composed of a third conductor and a third insulating sleeve coated outside the third conductor; the optical fiber ribbon body 2 is formed by laminating a plurality of optical fiber ribbons, and each optical fiber ribbon is provided with a plurality of optical fibers.

Modes for carrying out the invention

Example 2, please see fig. 5 and 6, and referring to fig. 1 to 4, a cable for power system, comprising a frame, a transmission member, a first protection layer 6 outside the frame, a second protection layer 7 outside the first protection layer, a loose tube 9, and an optical fiber ribbon body 2 in the loose tube, wherein: the framework is composed of a first protection tube 1, a first convex part 21, a second convex part 22, a third convex part 23, a first annular part 31, a second annular part 32 and a third annular part 33, wherein the first protection tube 1 is of a tubular structure, a central hole 10 is formed in the first protection tube 1, the first convex part 21, the second convex part 22 and the third convex part 23 are symmetrically distributed outside the first protection tube 1, the first convex part 21, the second convex part 22 and the third convex part 23 all protrude from the outer wall body of the first protection tube 1, the heights of the first convex part 21, the second convex part 22 and the third convex part 23 are the same, the first annular part 31, the second annular part 32 and the third annular part 33 are symmetrically distributed outside the first protection tube 1, the first annular part 31 is positioned right above the first convex part 21, and the inner wall of the first annular part 31 is connected with the outer wall of the first convex part 21, the second annular member 32 is positioned right above the second projecting member 22, the inner wall of the second annular member 32 is connected with the outer wall of the second projecting member 22, the third annular member 33 is positioned right above the third projecting member 23, the inner wall of the third annular member 33 is connected with the outer wall of the third projecting member 23, the bisecting plane of the first projecting member 21 is parallel to the axis of the first protection pipe 1 and bisects the first annular member 31, the bisecting plane of the second projecting member 22 is parallel to the axis of the first protection pipe 1 and bisects the second annular member 32, the bisecting plane of the third projecting member 23 is parallel to the axis of the first protection pipe 1 and bisects the third annular member 33, and the first protection pipe 1, the first projecting member 21, the second projecting member 22, the first annular member 31 and the second annular member 32 enclose a hollow first annular groove 51, and the first protection pipe 1, the second projecting member 22, the third projecting member 23 and the third annular member 23 are connected with the outer wall of the second projecting, The second annular member 32 and the third annular member 33 define a hollow second annular groove 52, the first protection pipe 1, the first protrusion member 21, the third protrusion member 23, the first annular member 31 and the third annular member 33 define a hollow third annular groove 53, the first opening passage 41 communicates with the first annular groove 51 and is positioned right above the first annular groove 51, the first opening passage 41 separates the first annular member 31 and the second annular member 32, the second opening passage 42 communicates with the second annular groove 52 and is positioned right above the second annular groove 52, the second opening passage 42 separates the second annular member 32 and the third annular member 33, the third opening passage 43 communicates with the third annular groove 53 and is positioned right above the third annular groove 53, the third opening passage 43 separates the first annular member 31 and the third annular member 33, and the fourth opening passage 44 is positioned on the left side of the third protrusion member 23, the fourth opening passage 44 penetrates through the side wall of the first protective tube 1, and the fourth opening passage 44 is communicated with the second annular groove 52; the loose tube 9 is located in the central bore 10, the first transmission member 81 is located in the first annular groove 51, the second transmission member 82 is located in the second annular groove 52, and the third transmission member 83 is located in the third annular groove 53; the first transmission part 81 is a plurality of insulated wires, each insulated wire is composed of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission part 82 is a plurality of insulated wires, each insulated wire is composed of a second conductor and a second insulating sleeve coated outside the second conductor, the third transmission part 83 is a plurality of insulated wires, and each insulated wire is composed of a third conductor and a third insulating sleeve coated outside the third conductor; the optical fiber belt body 2 is formed by laminating a plurality of optical fiber belts, and each optical fiber belt is internally provided with a plurality of optical fibers; the first opening channel 41 can be placed in or taken out of the first insulating sleeve after being expanded, the second opening channel 42 can be placed in or taken out of the second insulating sleeve after being expanded, and the third opening channel 43 can be placed in or taken out of the third insulating sleeve after being expanded; the second insulating sleeve cannot be placed in the fourth open channel 44.

Example 3, please see fig. 7 and 8, and referring to fig. 1 to 6, an optical/electrical composite cable for an electric power system, comprising a frame, a transmission member, a first protection layer 6 outside the frame, a second protection layer 7 outside the first protection layer, a loose tube 9, and a plurality of conductive wires, each of the conductive wires being composed of an electric conductor 4 and an insulation layer 3 covering the electric conductor 4, wherein: the framework is composed of a first protection tube 1, a first convex part 21, a second convex part 22, a third convex part 23, a first annular part 31, a second annular part 32 and a third annular part 33, wherein the first protection tube 1 is of a tubular structure, a central hole 10 is formed in the first protection tube 1, the first convex part 21, the second convex part 22 and the third convex part 23 are symmetrically distributed outside the first protection tube 1, the first convex part 21, the second convex part 22 and the third convex part 23 all protrude from the outer wall body of the first protection tube 1, the heights of the first convex part 21, the second convex part 22 and the third convex part 23 are the same, the first annular part 31, the second annular part 32 and the third annular part 33 are symmetrically distributed outside the first protection tube 1, the first annular part 31 is positioned right above the first convex part 21, and the inner wall of the first annular part 31 is connected with the outer wall of the first convex part 21, the second annular member 32 is positioned right above the second projecting member 22, the inner wall of the second annular member 32 is connected with the outer wall of the second projecting member 22, the third annular member 33 is positioned right above the third projecting member 23, the inner wall of the third annular member 33 is connected with the outer wall of the third projecting member 23, the bisecting plane of the first projecting member 21 is parallel to the axis of the first protection pipe 1 and bisects the first annular member 31, the bisecting plane of the second projecting member 22 is parallel to the axis of the first protection pipe 1 and bisects the second annular member 32, the bisecting plane of the third projecting member 23 is parallel to the axis of the first protection pipe 1 and bisects the third annular member 33, and the first protection pipe 1, the first projecting member 21, the second projecting member 22, the first annular member 31 and the second annular member 32 enclose a hollow first annular groove 51, and the first protection pipe 1, the second projecting member 22, the third projecting member 23 and the third annular member 23 are connected with the outer wall of the second projecting, The second annular member 32 and the third annular member 33 define a hollow second annular groove 52, the first protection pipe 1, the first protrusion member 21, the third protrusion member 23, the first annular member 31 and the third annular member 33 define a hollow third annular groove 53, the first opening passage 41 communicates with the first annular groove 51 and is positioned right above the first annular groove 51, the first opening passage 41 separates the first annular member 31 and the second annular member 32, the second opening passage 42 communicates with the second annular groove 52 and is positioned right above the second annular groove 52, the second opening passage 42 separates the second annular member 32 and the third annular member 33, the third opening passage 43 communicates with the third annular groove 53 and is positioned right above the third annular groove 53, the third opening passage 43 separates the first annular member 31 and the third annular member 33, and the fourth opening passage 44 is positioned on the left side of the third protrusion member 23, the fourth opening passage 44 penetrates through the side wall of the first protective tube 1, and the fourth opening passage 44 is communicated with the second annular groove 52; a plurality of conductive wires are positioned in the loose tube 9, the loose tube is positioned in the central hole 10, the first transmission part 81 is positioned in the first annular groove 51, the second transmission part 82 is positioned in the second annular groove 52, and the third transmission part 83 is positioned in the third annular groove 53; the first transmission part 81 is a plurality of insulated wires, each insulated wire is composed of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission part 82 is a plurality of insulated wires, each insulated wire is composed of a second conductor and a second insulating sleeve coated outside the second conductor, the third transmission part 83 is a plurality of insulated wires, and each insulated wire is composed of a third conductor and a third insulating sleeve coated outside the third conductor; the first opening channel 41 can be placed in or taken out of the first insulating sleeve after being expanded, the second opening channel 42 can be placed in or taken out of the second insulating sleeve after being expanded, and the third opening channel 43 can be placed in or taken out of the third insulating sleeve after being expanded; the second insulating sleeve cannot be placed in the fourth open channel 44.

Alternatively, in this embodiment, the first transmission member 81 is a plurality of optical waveguides, the second transmission member 82 is a plurality of optical waveguides, and the third transmission member 83 is a plurality of optical waveguides; the first opening channel 41 can be used for placing or taking out the optical waveguide after being opened, the second opening channel 42 can be used for placing or taking out the optical waveguide after being opened, and the third opening channel 43 can be used for placing or taking out the optical waveguide after being opened; no optical waveguide can be placed in the fourth open channel 44.

The optical fibers and optical waveguides described in the present application can be of the type g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b or A1 c.

In the present application, the first annular groove 51, the second annular groove 52, and the third annular groove 53 are located inside, so that the transmission member is generally not dropped out after being placed in, and the fixation or floating fixation is effectively achieved, so that the function of the cable/optical cable/photoelectric composite cable can be actually achieved only by the framework matching with the transmission member; can be used normally even after the outer protective layer is damaged.

In the application, the transmission component can be plugged in or taken out due to the existence of the first opening channel 41, the second opening channel 42 and the third opening channel 43, so that the manufacturing is greatly facilitated, and the transmission component can be effectively cooled due to the existence of the first opening channel 41, the second opening channel 42 and the third opening channel 43 without additional complex equipment.

In the present application, the optical fiber/insulating layer 3, etc. can be inserted into the central hole through the second open channel 42, the second annular groove 52, and the fourth open channel 44, without a central tube, so that the structure is more compact and the communication/power transmission density is higher.

The transmission components in the

embodiments

2 and 3 in the present application can transmit multiple electric powers or multiple electric signals.

The application also solves the technical problems that the existing framework can only be externally placed into a transmission part, cannot reach the center and is low in framework utilization rate.

Industrial applicability

The application has been manufactured into products. The application has the following main beneficial technical effects: the structure is simpler, easier to make, production speed is faster, the cost is lower, and communication density/power transmission density are higher. The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims

1. The utility model provides a cable for electric power system, has skeleton, transmission part, is located the first protective layer outside the skeleton and is located second protective layer outside the first protective layer, pine sleeve pipe, is located the optical fiber area body in the pine sleeve pipe, its characterized in that: the framework is composed of a first protection pipe, a first convex part, a second convex part, a third convex part, a first annular part, a second annular part and a third annular part, wherein the first protection pipe is of a tubular structure, a central hole is formed in the first protection pipe, the first convex part, the second convex part and the third convex part are symmetrically distributed outside the first protection pipe, the first convex part, the second convex part and the third convex part are all protruded from the outer wall body of the first protection pipe, the heights of the first convex part, the second convex part and the third convex part are the same, the first annular part, the second annular part and the third annular part are symmetrically distributed outside the first protection pipe, the first annular part is positioned right above the first convex part, the inner wall of the first annular part is connected with the outer wall of the first convex part, the second annular part is positioned right above the second convex part, and the inner wall of the second annular part is connected with the outer wall of the second convex part, the third annular component is positioned right above the third convex component, the inner wall of the third annular component is connected with the outer wall of the third convex component, the bisecting plane of the first convex component bisects the axis of the first protection pipe and bisects the first annular component, the bisecting plane of the second convex component bisects the axis of the first protection pipe and bisects the second annular component, the bisecting plane of the third convex component bisects the axis of the first protection pipe and bisects the third annular component, the first protection pipe, the first convex component, the second convex component, the first annular component and the second annular component enclose a hollow first annular groove, the first protection pipe, the second convex component, the third convex component, the second annular component and the third annular component enclose a hollow second annular groove, and the first protection pipe, the first convex component, the third convex component, the first annular component and the third annular component enclose a hollow third annular groove, the first opening channel is communicated with the first annular groove and is positioned right above the first annular groove, the first opening channel isolates the first annular part and the second annular part, the second opening channel is communicated with the second annular groove and is positioned right above the second annular groove, the second opening channel isolates the second annular part and the third annular part, the third opening channel is communicated with the third annular groove and is positioned right above the third annular groove, the third opening channel isolates the first annular part and the third annular part, the fourth opening channel is positioned on the left side of the third convex part, the fourth opening channel penetrates through the side wall of the first protection pipe, and the fourth opening channel is communicated with the second annular groove; the loose tube is positioned in the central hole, the first transmission part is positioned in the first annular groove, the second transmission part is positioned in the second annular groove, and the third transmission part is positioned in the third annular groove; the first transmission member is a first conductor, the second transmission member is a second conductor, and the third transmission member is a third conductor; or the first transmission part consists of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission part consists of a second conductor and a second insulating sleeve coated outside the second conductor, and the third transmission part consists of a third conductor and a third insulating sleeve coated outside the third conductor; the optical fiber belt body is formed by laminating a plurality of optical fiber belts, and each optical fiber belt is internally provided with a plurality of optical fibers.

2. The utility model provides a cable for electric power system, has skeleton, transmission part, is located the first protective layer outside the skeleton and is located second protective layer outside the first protective layer, pine sleeve pipe, is located the optical fiber area body in the pine sleeve pipe, its characterized in that: the framework is composed of a first protection pipe, a first convex part, a second convex part, a third convex part, a first annular part, a second annular part and a third annular part, wherein the first protection pipe is of a tubular structure, a central hole is formed in the first protection pipe, the first convex part, the second convex part and the third convex part are symmetrically distributed outside the first protection pipe, the first convex part, the second convex part and the third convex part are all protruded from the outer wall body of the first protection pipe, the heights of the first convex part, the second convex part and the third convex part are the same, the first annular part, the second annular part and the third annular part are symmetrically distributed outside the first protection pipe, the first annular part is positioned right above the first convex part, the inner wall of the first annular part is connected with the outer wall of the first convex part, the second annular part is positioned right above the second convex part, and the inner wall of the second annular part is connected with the outer wall of the second convex part, the third annular component is positioned right above the third convex component, the inner wall of the third annular component is connected with the outer wall of the third convex component, the bisecting plane of the first convex component bisects the axis of the first protection pipe and bisects the first annular component, the bisecting plane of the second convex component bisects the axis of the first protection pipe and bisects the second annular component, the bisecting plane of the third convex component bisects the axis of the first protection pipe and bisects the third annular component, the first protection pipe, the first convex component, the second convex component, the first annular component and the second annular component enclose a hollow first annular groove, the first protection pipe, the second convex component, the third convex component, the second annular component and the third annular component enclose a hollow second annular groove, and the first protection pipe, the first convex component, the third convex component, the first annular component and the third annular component enclose a hollow third annular groove, the first opening channel is communicated with the first annular groove and is positioned right above the first annular groove, the first opening channel isolates the first annular part and the second annular part, the second opening channel is communicated with the second annular groove and is positioned right above the second annular groove, the second opening channel isolates the second annular part and the third annular part, the third opening channel is communicated with the third annular groove and is positioned right above the third annular groove, the third opening channel isolates the first annular part and the third annular part, the fourth opening channel is positioned on the left side of the third convex part, the fourth opening channel penetrates through the side wall of the first protection pipe, and the fourth opening channel is communicated with the second annular groove; the loose tube is positioned in the central hole, the first transmission part is positioned in the first annular groove, the second transmission part is positioned in the second annular groove, and the third transmission part is positioned in the third annular groove; the first transmission part is a plurality of insulated wires, each insulated wire is composed of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission part is a plurality of insulated wires, each insulated wire is composed of a second conductor and a second insulating sleeve coated outside the second conductor, the third transmission part is a plurality of insulated wires, and each insulated wire is composed of a third conductor and a third insulating sleeve coated outside the third conductor; the optical fiber belt body is formed by laminating a plurality of optical fiber belts, and each optical fiber belt is internally provided with a plurality of optical fibers; the first opening channel can be placed in or taken out of the first insulating sleeve after being expanded, the second opening channel can be placed in or taken out of the second insulating sleeve after being expanded, and the third opening channel can be placed in or taken out of the third insulating sleeve after being expanded; and a second insulating sleeve cannot be placed in the fourth open channel.

3. A cable according to claim 1 or claim 2, wherein the backbone is a unitary structure formed by extrusion.

4. The cable according to claim 3, wherein the outer wall of the first annular member, the outer wall of the second annular member, and the outer wall of the third annular member are on the same circumferential cylindrical surface or the same elliptic cylindrical surface.

5. A cable according to claim 3, wherein the first protective layer is made of polypropylene, polyethylene, polybutylene terephthalate, nylon, low-smoke halogen-free composite material, low-smoke low-halogen composite material, PVC, TPE, TPU, polytetrafluoroethylene, polyester tape, water-blocking tape, non-aromatic cloth, glass fiber tape, steel tape, or polyester binding yarn.

6. The cable of claim 3, wherein the second protective layer is made of polypropylene, polyethylene, polybutylene terephthalate, nylon, a low-smoke halogen-free composite material, a low-smoke low-halogen composite material, PVC, TPE, TPU, or polytetrafluoroethylene; the material of the loose tube is polypropylene or polyethylene or polybutylene terephthalate or nylon or low-smoke halogen-free composite material or low-smoke low-halogen composite material or PVC or TPE or TPU or polytetrafluoroethylene or steel or iron or copper or aluminum; the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b or A1 c.

7. The utility model provides a photoelectric composite cable for electric power system, has skeleton, transmission part, is located the outer first protective layer of skeleton and is located second protective layer, loose sleeve pipe, many conductor wires outside the first protective layer, and every conductor wire comprises the insulating layer of electric conductor and cladding live electric conductor, its characterized in that: the framework is composed of a first protection pipe, a first convex part, a second convex part, a third convex part, a first annular part, a second annular part and a third annular part, wherein the first protection pipe is of a tubular structure, a central hole is formed in the first protection pipe, the first convex part, the second convex part and the third convex part are symmetrically distributed outside the first protection pipe, the first convex part, the second convex part and the third convex part are all protruded from the outer wall body of the first protection pipe, the heights of the first convex part, the second convex part and the third convex part are the same, the first annular part, the second annular part and the third annular part are symmetrically distributed outside the first protection pipe, the first annular part is positioned right above the first convex part, the inner wall of the first annular part is connected with the outer wall of the first convex part, the second annular part is positioned right above the second convex part, and the inner wall of the second annular part is connected with the outer wall of the second convex part, the third annular component is positioned right above the third convex component, the inner wall of the third annular component is connected with the outer wall of the third convex component, the bisecting plane of the first convex component bisects the axis of the first protection pipe and bisects the first annular component, the bisecting plane of the second convex component bisects the axis of the first protection pipe and bisects the second annular component, the bisecting plane of the third convex component bisects the axis of the first protection pipe and bisects the third annular component, the first protection pipe, the first convex component, the second convex component, the first annular component and the second annular component enclose a hollow first annular groove, the first protection pipe, the second convex component, the third convex component, the second annular component and the third annular component enclose a hollow second annular groove, and the first protection pipe, the first convex component, the third convex component, the first annular component and the third annular component enclose a hollow third annular groove, the first opening channel is communicated with the first annular groove and is positioned right above the first annular groove, the first opening channel isolates the first annular part and the second annular part, the second opening channel is communicated with the second annular groove and is positioned right above the second annular groove, the second opening channel isolates the second annular part and the third annular part, the third opening channel is communicated with the third annular groove and is positioned right above the third annular groove, the third opening channel isolates the first annular part and the third annular part, the fourth opening channel is positioned on the left side of the third convex part, the fourth opening channel penetrates through the side wall of the first protection pipe, and the fourth opening channel is communicated with the second annular groove; the plurality of conductive wires are positioned in the loose sleeve, the loose sleeve is positioned in the central hole, the first transmission part is positioned in the first annular groove, the second transmission part is positioned in the second annular groove, and the third transmission part is positioned in the third annular groove; the first transmission part is a plurality of insulated wires, each insulated wire is composed of a first conductor and a first insulating sleeve coated outside the first conductor, the second transmission part is a plurality of insulated wires, each insulated wire is composed of a second conductor and a second insulating sleeve coated outside the second conductor, the third transmission part is a plurality of insulated wires, and each insulated wire is composed of a third conductor and a third insulating sleeve coated outside the third conductor; the first opening channel can be placed in or taken out of the first insulating sleeve after being expanded, the second opening channel can be placed in or taken out of the second insulating sleeve after being expanded, and the third opening channel can be placed in or taken out of the third insulating sleeve after being expanded; and a second insulating sleeve cannot be placed in the fourth open channel.

8. The utility model provides a photoelectric composite cable for electric power system, has skeleton, transmission part, is located the outer first protective layer of skeleton and is located second protective layer, loose sleeve pipe, many conductor wires outside the first protective layer, and every conductor wire comprises the insulating layer of electric conductor and cladding live electric conductor, its characterized in that: the framework is composed of a first protection pipe, a first convex part, a second convex part, a third convex part, a first annular part, a second annular part and a third annular part, wherein the first protection pipe is of a tubular structure, a central hole is formed in the first protection pipe, the first convex part, the second convex part and the third convex part are symmetrically distributed outside the first protection pipe, the first convex part, the second convex part and the third convex part are all protruded from the outer wall body of the first protection pipe, the heights of the first convex part, the second convex part and the third convex part are the same, the first annular part, the second annular part and the third annular part are symmetrically distributed outside the first protection pipe, the first annular part is positioned right above the first convex part, the inner wall of the first annular part is connected with the outer wall of the first convex part, the second annular part is positioned right above the second convex part, and the inner wall of the second annular part is connected with the outer wall of the second convex part, the third annular component is positioned right above the third convex component, the inner wall of the third annular component is connected with the outer wall of the third convex component, the bisecting plane of the first convex component bisects the axis of the first protection pipe and bisects the first annular component, the bisecting plane of the second convex component bisects the axis of the first protection pipe and bisects the second annular component, the bisecting plane of the third convex component bisects the axis of the first protection pipe and bisects the third annular component, the first protection pipe, the first convex component, the second convex component, the first annular component and the second annular component enclose a hollow first annular groove, the first protection pipe, the second convex component, the third convex component, the second annular component and the third annular component enclose a hollow second annular groove, and the first protection pipe, the first convex component, the third convex component, the first annular component and the third annular component enclose a hollow third annular groove, the first opening channel is communicated with the first annular groove and is positioned right above the first annular groove, the first opening channel isolates the first annular part and the second annular part, the second opening channel is communicated with the second annular groove and is positioned right above the second annular groove, the second opening channel isolates the second annular part and the third annular part, the third opening channel is communicated with the third annular groove and is positioned right above the third annular groove, the third opening channel isolates the first annular part and the third annular part, the fourth opening channel is positioned on the left side of the third convex part, the fourth opening channel penetrates through the side wall of the first protection pipe, and the fourth opening channel is communicated with the second annular groove; the plurality of conductive wires are positioned in the loose sleeve, the loose sleeve is positioned in the central hole, the first transmission part is positioned in the first annular groove, the second transmission part is positioned in the second annular groove, and the third transmission part is positioned in the third annular groove; the first transmission component is a plurality of optical waveguides, the second transmission component is a plurality of optical waveguides, and the third transmission component is a plurality of optical waveguides; the first opening channel can be used for placing or taking out the optical waveguide after being opened, the second opening channel can be used for placing or taking out the optical waveguide after being opened, and the third opening channel can be used for placing or taking out the optical waveguide after being opened; the optical waveguide cannot be placed in the fourth open channel.

9. The optical-electrical composite cable for electric power system according to claim 7 or claim 8, wherein said skeleton is a unitary structure formed by extrusion; the material of the loose tube is polypropylene or polyethylene or polybutylene terephthalate or nylon or low-smoke halogen-free composite material or low-smoke low-halogen composite material or PVC or TPE or TPU or polytetrafluoroethylene or steel or iron or copper or aluminum.

10. The optical/electrical composite cable according to claim 9, wherein the outer wall of the first annular member, the outer wall of the second annular member, and the outer wall of the third annular member are on the same circumferential cylindrical surface or the same elliptical cylindrical surface.