CN111403101A - Hanging type cable and optical cable - Google Patents

Hanging type cable and optical cable Download PDF

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Publication number
CN111403101A
CN111403101A CN202010324625.9A CN202010324625A CN111403101A CN 111403101 A CN111403101 A CN 111403101A CN 202010324625 A CN202010324625 A CN 202010324625A CN 111403101 A CN111403101 A CN 111403101A
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CN
China
Prior art keywords
hanging
hanging body
suspension
cavity
cylindrical surface
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Withdrawn
Application number
CN202010324625.9A
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Chinese (zh)
Inventor
阚晓洁
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Changshu Yutong Photoelectric Technology Co ltd
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Changshu Yutong Photoelectric Technology Co ltd
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Publication date
Application filed by Changshu Yutong Photoelectric Technology Co ltd filed Critical Changshu Yutong Photoelectric Technology Co ltd
Priority to CN202010324625.9A priority Critical patent/CN111403101A/en
Publication of CN111403101A publication Critical patent/CN111403101A/en
Priority to CN202080005261.6A priority patent/CN112789694B/en
Priority to PCT/CN2020/134146 priority patent/WO2021212856A1/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4403—Optical cables with ribbon structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/56—Processes for repairing optical cables
    • G02B6/562—Processes for repairing optical cables locatable, e.g. using magnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0045—Cable-harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/184—Sheaths comprising grooves, ribs or other projections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/185—Sheaths comprising internal cavities or channels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The invention belongs to the technical field of photoelectricity, and particularly relates to a hanging type cable which is provided with a central beam tube, a plurality of electric conductors and an outer sheath, wherein the electric conductors are positioned outside the central beam tube, the central beam tube is internally provided with a plurality of optical fiber ribbons which are sequentially stacked, and optical transmission parts are arranged in the optical fiber ribbons. The application also discloses a hanging type optical cable. The invention has the following main beneficial effects: the structure is more stable, optical communication density is bigger, laying cost is lower, change shaping and change, the radiating effect is better, the current-carrying capacity is bigger.

Description

Hanging type cable and optical cable
Technical Field
The invention belongs to the technical field of photoelectricity, and particularly relates to a hanging type cable and an optical cable.
Background
In the prior art, conductors in a cable are coated by insulating layers, then a plurality of insulating conductors are twisted, and one or more protective layers are coated outside the insulating layers, and the method mainly has the following defects: the twisting equipment is complex and expensive, the production speed is slow, and the twisting easily causes conductor deformation, distortion, even cracks and the like, so that the electrical and mechanical properties are deteriorated; but also has poor heat dissipation effect; moreover, a single conductor is not easy to replace when damaged, and the whole cable needs to be untwisted and stripped, which wastes time and labor.
When the electrical conductor is arranged outside the central beam tube type optical cable in the prior art, the electrical conductor is usually twisted outside the central beam tube or placed in a sheath extrusion layer, and the mode is inconvenient for the separation, inspection, connection and the like of the electrical conductor; moreover, the optical communication density is not ideal enough.
In order to solve the above technical problems, the present application discloses a suspended cable and an optical cable.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a hanging type cable and an optical cable, which are realized by adopting the following technical scheme.
A hanging cable comprises a central beam tube, a plurality of electric conductors outside the central beam tube, an outer sheath outside the electric conductors, a plurality of optical fiber ribbons which are sequentially stacked in the central beam tube, and light transmitting components in the optical fiber ribbons, and is characterized in that the hanging cable also comprises a plurality of hanging components, each hanging component comprises a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging components are of an integrated structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of a cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting part, the lowest position of the hanging body is positioned above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the hanging body, the other end of the third hanging body inclines towards the hanging body, a cavity is formed in the hanging body, and the electric conductor is positioned in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; or, the hanging parts are all composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integral structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of the cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called as a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting portion, the lowest position of the hanging body is located above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the direction of the hanging body, the other end of the third hanging body inclines towards the direction of the hanging body, a cavity is formed in the hanging body, an opening is formed in the hanging body, and the electric conductor is located in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; in the hanging cable, a plurality of hanging parts are sequentially arranged on the periphery of a central beam tube, a second hanging body of the last hanging part is attached to a third hanging body of the next hanging part, a second hanging body of the last hanging part is attached to a third hanging body of the first hanging part, the surfaces of the other ends of all the second hanging bodies and the surfaces of the other ends of all the third hanging bodies are attached to the outer surface of the central beam tube, and the plurality of hanging parts are spliced to cover the whole outer circumference of the central beam tube; the top end of the first hanging body of each hanging component is tangent to the inner wall of the outer sheath.
In the present application, the material of the electrical conductor is aluminum or copper or an alloy.
In the present application, the optical fiber ribbon is of an edge bonding type or an integral cladding type, the number of the light transmission components in each optical fiber ribbon is 2-24, and the light transmission components are single-mode optical fibers or multimode optical fibers, preferably of the type g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b or A1 c.
A hanging optical cable comprises a central beam tube, a plurality of optical conductors outside the central beam tube, an outer sheath outside the optical conductors, a plurality of optical fiber ribbons which are sequentially stacked in the central beam tube, and optical transmission components in the optical fiber ribbons, and is characterized in that the hanging optical cable also comprises a plurality of hanging components, each hanging component comprises a first hanging body, a second hanging body, a third hanging body, a hanging connection part and a hanging body, the hanging components are of an integrated structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of a cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting part, the lowest position of the hanging body is positioned above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the hanging body, the other end of the third hanging body inclines towards the hanging body, a cavity is formed in the hanging body, and the light conductor is positioned in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; or, the hanging parts are all composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integral structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of the cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called as a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting portion, the lowest position of the hanging body is located above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the direction of the hanging body, the other end of the third hanging body inclines towards the direction of the hanging body, a cavity is formed in the hanging body, an opening is formed in the hanging body, and the light conductor is located in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; in the suspension type optical cable, a plurality of suspension parts are sequentially arranged on the periphery of a central beam tube, a second suspension body of the last suspension part is attached to a third suspension body of the next suspension part, a second suspension body of the last suspension part is attached to a third suspension body of the first suspension part, the surfaces of the other ends of all second suspension bodies and the surfaces of the other ends of all third suspension bodies are attached to the outer surface of the central beam tube, and the plurality of suspension parts are spliced to cover the whole outer circumference of the central beam tube; the top end of the first hanging body of each hanging component is tangent to the inner wall of the outer sheath.
A hanging optical cable is provided with a central beam tube, a plurality of light conductors outside the central beam tube, and an outer sheath outside the light conductors, wherein the central beam tube is internally provided with a plurality of optical fibers, and is characterized in that the hanging optical cable is also provided with a plurality of hanging parts, each hanging part is composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integrated structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of a cylinder, and the surface of the other end of the third hanging body is a part of the surface of a cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting part, the lowest part of the hanging body is positioned above the first cylindrical surface or the lowest part of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the hanging body, the other end of the third hanging body inclines towards the hanging body, a cavity is formed in the hanging body, and the light conductor is positioned in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; or, the hanging parts are all composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integral structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of the cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called as a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting portion, the lowest position of the hanging body is located above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the direction of the hanging body, the other end of the third hanging body inclines towards the direction of the hanging body, a cavity is formed in the hanging body, an opening is formed in the hanging body, and the light conductor is located in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; in the suspension type optical cable, a plurality of suspension parts are sequentially arranged on the periphery of a central beam tube, a second suspension body of the last suspension part is attached to a third suspension body of the next suspension part, a second suspension body of the last suspension part is attached to a third suspension body of the first suspension part, the surfaces of the other ends of all second suspension bodies and the surfaces of the other ends of all third suspension bodies are attached to the outer surface of the central beam tube, and the plurality of suspension parts are spliced to cover the whole outer circumference of the central beam tube; the top end of the first hanging body of each hanging component is tangent to the inner wall of the outer sheath.
In the application, the material of the central beam tube is modified polypropylene or polybutylene terephthalate or steel or copper or alloy.
In the present application, the material of the hanging part is plastic, preferably polypropylene or polyethylene or polybutylene terephthalate.
In this application, the outer sheath is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or TPE or TPU or low-smoke halogen-free flame-retardant polyethylene or nylon or polyurethane.
In the present application, the optical fiber is a single-mode optical fiber or a multi-mode optical fiber, and the preferred type is g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b or A1 c.
In the present application, the optical fiber is a single mode optical fiber or a multimode optical fiber, and the preferred model is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b or A1 c.
The invention has the following main beneficial effects: the structure is more stable, optical communication density is bigger, laying cost is lower, change shaping and change, the radiating effect is better, the current-carrying capacity is bigger.
Drawings
Fig. 1 is a schematic perspective view of a dissected segment of the example 1.
Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.
FIG. 3 is a schematic perspective view showing a part of the hanger used in example 1 after dissection.
Fig. 4 is an enlarged cross-sectional view of fig. 3.
FIG. 5 is a schematic cross-sectional structure of example 2.
FIG. 6 is a schematic cross-sectional structure of example 3.
Figure 7 is a cross-sectional schematic view of another hanger component for use in the present application.
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-central beam tube, 2-hanging part, 3-electric conductor, 4-outer sheath, 11-optical fiber ribbon, 12-optical conductor, 13-optical fiber, 21-first hanging body, 22-second hanging body, 23-third hanging body, 24-hanging connecting part, 25-hanging body, 26-first cavity, 27-second cavity and 251-opening.
Detailed Description
Examples 1
Referring to fig. 1 to 4, a hanging cable comprises a central beam tube 1, four electrical conductors 3 outside the central beam tube, an outer sheath 4 outside the electrical conductors, a plurality of optical fiber ribbons 11 stacked in sequence inside the central beam tube, light transmitting members inside the optical fiber ribbons, and four hanging members 2 inside the hanging cable, wherein each hanging member comprises a first hanging body 21, a second hanging body 22, a third hanging body 23, a hanging connecting portion 24, and a hanging body 25, the hanging member is an integrated structure, the first hanging body 21 is a part of a circular cylinder, the second hanging body 22 is approximately rectangular, the third hanging body 23 is approximately rectangular, the first hanging body 21 is bent downward, one end of the first hanging body 21 is connected with one end of the third hanging body 23, the other end of the first hanging body 21 is connected with one end of the second hanging body 22, the surface of the other end of the second hanging body 22 is a part of the surface of a cylinder, the surface of the other end of the third hanging body 23 is a part of the surface of a cylinder, the surface of the other end of the second hanging body 22 and the surface of the other end of the third hanging body 23 are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part 24 extends downwards from the center of the lower surface of the first hanging body 21, the hanging body 25 is connected to the lower end of the hanging connecting part 24, the lowermost cylindrical surface of the hanging body 25 is positioned above the first cylindrical surface or the lowermost cylindrical surface of the hanging body 25 is tangent to the first cylindrical surface, the other end of the second hanging body 22 inclines towards the hanging body 25, the other end of the third hanging body 23 inclines towards the hanging body 25, a cavity is arranged inside the hanging body 25, and the electric conductor 3 is positioned in the cavity; a first cavity 26 is formed among the left side of the hanging connecting part 24, the left side of the hanging body 25, the lower side of the first hanging body 21 and the upper side of the third hanging body 23; a second cavity 27 is formed among the right side of the hanging connecting part 24, the right side of the hanging body 25, the lower side of the first hanging body 21 and the upper side of the second hanging body 22; in the hanging type cable, four hanging parts 2 are sequentially arranged on the periphery of a central beam tube 1, a second hanging body 22 of the previous hanging part is attached to a third hanging body 23 of the next hanging part, a second hanging body 22 of the last hanging part is attached to the third hanging body 23 of the first hanging part, the surfaces of the other ends of all the second hanging bodies 22 and the surfaces of the other ends of all the third hanging bodies 23 are attached to the outer surface of the central beam tube 1, and the four hanging parts 2 are spliced to cover the whole outer circumference of the central beam tube 1; the top ends of the first hanging bodies 21 of the four hanging parts are tangent with the inner wall of the outer sheath 4.
EXAMPLES example 2
Referring to fig. 5 and fig. 1 to 4, a suspension type optical cable comprises a central beam tube 1, a plurality of optical conductors 12 outside the central beam tube, and an outer sheath 4 outside the optical conductors 12, wherein the central beam tube has a plurality of optical fiber ribbons 11 stacked in sequence, and the optical fiber ribbons have optical transmission members therein, and is characterized in that the suspension type optical cable further comprises four suspension members 2, each of which is composed of a first suspension body 21, a second suspension body 22, a third suspension body 23, a suspension connection portion 24, and a suspension body 25, the suspension members are of an integrated structure, the first suspension body 21 is a part of a circular cylinder, the second suspension body 22 is approximately rectangular, the third suspension body 23 is approximately rectangular, the first suspension body 21 is bent downward, one end of the first suspension body 21 is connected to one end of the third suspension body 23, the other end of the first suspension body 21 is connected to one end of the second suspension body 22, the surface of the other end of the second hanging body 22 is a part of the surface of a cylinder, the surface of the other end of the third hanging body 23 is a part of the surface of a cylinder, the surface of the other end of the second hanging body 22 and the surface of the other end of the third hanging body 23 are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part 24 extends downwards from the center of the lower surface of the first hanging body 21, the hanging body 25 is connected to the lower end of the hanging connecting part 24, the lowermost cylindrical surface of the hanging body 25 is positioned above the first cylindrical surface or the lowermost cylindrical surface of the hanging body 25 is tangent to the first cylindrical surface, the other end of the second hanging body 22 inclines towards the hanging body 25, the other end of the third hanging body 23 inclines towards the hanging body 25, a cavity is arranged in the hanging body 25, and the light conductor 12 is positioned in the cavity; a first cavity 26 is formed among the left side of the hanging connecting part 24, the left side of the hanging body 25, the lower side of the first hanging body 21 and the upper side of the third hanging body 23; a second cavity 27 is formed among the right side of the hanging connecting part 24, the right side of the hanging body 25, the lower side of the first hanging body 21 and the upper side of the second hanging body 22; in the suspension type optical cable, four suspension parts 2 are sequentially arranged on the periphery of a central beam tube 1, a second suspension body 22 of the previous suspension part is attached to a third suspension body 23 of the next suspension part, a second suspension body 22 of the last suspension part is attached to the third suspension body 23 of the first suspension part, the surfaces of the other ends of all the second suspension bodies 22 and the surfaces of the other ends of all the third suspension bodies 23 are attached to the outer surface of the central beam tube 1, and the four suspension parts 2 are spliced to cover the whole outer circumference of the central beam tube 1; the top ends of the first hanging bodies 21 of the four hanging parts are tangent with the inner wall of the outer sheath 4.
EXAMPLE 3
Referring to fig. 6 and fig. 1 to 5, a hanging optical cable comprises a central tube 1, a plurality of optical conductors 12 outside the central tube, and an outer sheath 4 outside the optical conductors 12, wherein the central tube has a plurality of optical fibers 13 inside, and is characterized in that the hanging optical cable further comprises four hanging members 2, each hanging member comprises a first hanging body 21, a second hanging body 22, a third hanging body 23, a hanging connection part 24, and a hanging body 25, the hanging members are of an integral structure, the first hanging body 21 is a part of a circular cylinder, the second hanging body 22 is approximately rectangular, the third hanging body 23 is approximately rectangular, the first hanging body 21 is bent downward, one end of the first hanging body 21 is connected with one end of the third hanging body 23, the other end of the first hanging body 21 is connected with one end of the second hanging body 22, the surface of the other end of the second hanging body 22 is a part of the surface of a cylinder, the surface of the other end of the third hanging body 23 is a part of the surface of a cylinder, the surface of the other end of the second hanging body 22 and the surface of the other end of the third hanging body 23 are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part 24 extends downwards from the center of the lower surface of the first hanging body 21, the hanging body 25 is connected to the lower end of the hanging connecting part 24, the lowermost cylindrical surface of the hanging body 25 is positioned above the first cylindrical surface or the lowermost cylindrical surface of the hanging body 25 is tangent to the first cylindrical surface, the other end of the second hanging body 22 inclines towards the hanging body 25, the other end of the third hanging body 23 inclines towards the hanging body 25, a cavity is arranged in the hanging body 25, and the light conductor 12 is positioned in the cavity; a first cavity 26 is formed among the left side of the hanging connecting part 24, the left side of the hanging body 25, the lower side of the first hanging body 21 and the upper side of the third hanging body 23; a second cavity 27 is formed among the right side of the hanging connecting part 24, the right side of the hanging body 25, the lower side of the first hanging body 21 and the upper side of the second hanging body 22; in the suspension type optical cable, four suspension parts 2 are sequentially arranged on the periphery of a central beam tube 1, a second suspension body 22 of the previous suspension part is attached to a third suspension body 23 of the next suspension part, a second suspension body 22 of the last suspension part is attached to the third suspension body 23 of the first suspension part, the surfaces of the other ends of all the second suspension bodies 22 and the surfaces of the other ends of all the third suspension bodies 23 are attached to the outer surface of the central beam tube 1, and the four suspension parts 2 are spliced to cover the whole outer circumference of the central beam tube 1; the top ends of the first hanging bodies 21 of the four hanging parts are tangent with the inner wall of the outer sheath 4.
Referring to fig. 7, the hanging parts 2 are composed of a first hanging body 21, a second hanging body 22, a third hanging body 23, a hanging connection part 24 and a hanging body 25, the hanging parts are of an integral structure, the first hanging body 21 is a part of a circular cylinder, the second hanging body 22 is approximately rectangular, the third hanging body 23 is approximately rectangular, the first hanging body 21 is bent downwards, one end of the first hanging body 21 is connected with one end of the third hanging body 23, the other end of the first hanging body 21 is connected with one end of the second hanging body 22, the surface of the other end of the second hanging body 22 is a part of a cylinder surface, the surface of the other end of the third hanging body 23 is a part of a cylinder surface, the surface of the other end of the second hanging body 22 and the surface of the other end of the third hanging body 23 are on the same cylinder surface, the cylinder surface is called as a first cylinder surface, the hanging connecting part 24 extends downwards from the center of the lower surface of the first hanging body 21, the hanging body 25 is connected to the lower end of the hanging connecting part 24, the lowest position of the hanging body 25 is positioned above the first cylindrical surface or the lowest position of the hanging body 25 is tangent to the first cylindrical surface, the other end of the second hanging body 22 inclines towards the hanging body 25, the other end of the third hanging body 23 inclines towards the hanging body 25, a cavity is arranged in the hanging body 25, an opening 251 is arranged on the hanging body 25, and an electric conductor or an optical conductor can be embedded into the opening 251; (ii) a A first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body. The hanging part in the figure can be used in the embodiment 1, the embodiment 2 or the embodiment 3.
In the application, the material of the central beam tube is modified polypropylene or polybutylene terephthalate or steel or copper or alloy.
In the present application, the material of the hanging part is plastic, preferably polypropylene or polyethylene or polybutylene terephthalate.
In the present application, the material of the electrical conductor is aluminum or copper or an alloy.
In this application, the outer sheath is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or TPE or TPU or low-smoke halogen-free flame-retardant polyethylene or nylon or polyurethane.
In the present application, the optical fiber is a single-mode optical fiber or a multi-mode optical fiber, and the preferred type is g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b or A1 c.
In the present application, the optical fiber ribbon is of an edge bonding type or an integral cladding type, the number of the light transmission components in each optical fiber ribbon is 2-24, and the light transmission components are single-mode optical fibers or multimode optical fibers, preferably 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 optical fiber is a single mode optical fiber or a multimode optical fiber, and the preferred model is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b or A1 c.
In the application, the hanging part has certain hardness and toughness, and is extruded and drawn by a cable extruder; because of certain hardness, the adjacent hanging parts can realize support, and meanwhile, the first to third hanging bodies can also support and keep the shape per se and still keep the original shape after bearing the hanging connecting part, the hanging body and the electric conductor; because the hanging connecting part is thick and the distance between the hanging connecting part and the hanging body is short, the hanging connecting part and the hanging body cannot shake in the hanging part.
In the application, when the lowest part of the hanging body is tangent to the first cylindrical surface, the hanging body is also attached to/cut off the central beam tube, so that the product is more stable; in the application, when the hanging part is provided with the opening, the electric conductor and the like are very easy to be put into the cavity inside the hanging body and also very easy to be taken out; in this case, a plurality of conductors coated with insulating layers can be placed in each cavity, so that transmission of multiple paths of electric power and multiple paths of electric signals is realized.
In the present application, the hanging parts shown in fig. 3 and 7 can be used in a mixed manner, so that special identification can be realized, if the hanging parts have the same color, and if the first and second hanging parts are shown in fig. 3, and the third and fourth hanging parts are shown in fig. 7, so that resolution can be realized in sequence; in addition, when hanging the part and having different colours, can realize two liang differences.
In the present application, the suspension member may be provided in plural, not limited to four.
In this application, when having optical fiber ribbon or optic fibre, hanging the cavity of part and having the light conductor in the central beam tube, greatly increased the density of optical communication body, made the value and the efficiency of product higher.
In this application, when having optic fibre ribbon or optic fibre, hanging the cavity of part and having the electric conductor in the central beam tube, realized a cable, the function that electric power and light signal passed with, saved the increase of laying the pipeline expense that causes many times, the increase of laying the cost etc..
In this application, because hang the existence of part, use the mode of piecing together into the molding, easily get and put, be convenient for change no longer need like among the prior art, with the mode of many insulated wires hank into the molding.
In the application, the existence of the first cavity and the second cavity in the hanging part not only provides a channel for replacing the electric conductor or the optical conductor; and make the second hang the body and the third hangs the body and have the space of fine setting, in addition, still make the heat that the electric conductor gived off give off effectively, make the radiating effect better, under the equal condition that generates heat, the current-carrying capacity of electric conductor is bigger.
The invention has the following main beneficial effects: the structure is more stable, optical communication density is bigger, laying cost is lower, change shaping and change, the radiating effect is better, the current-carrying capacity is bigger.
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 (10)

1. A hanging cable comprises a central beam tube, a plurality of electric conductors outside the central beam tube, an outer sheath outside the electric conductors, a plurality of optical fiber ribbons which are sequentially stacked in the central beam tube, and light transmitting components in the optical fiber ribbons, and is characterized in that the hanging cable also comprises a plurality of hanging components, each hanging component comprises a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging components are of an integrated structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of a cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting part, the lowest position of the hanging body is positioned above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the hanging body, the other end of the third hanging body inclines towards the hanging body, a cavity is formed in the hanging body, and the electric conductor is positioned in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; or, the hanging parts are all composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integral structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of the cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called as a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting portion, the lowest position of the hanging body is located above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the direction of the hanging body, the other end of the third hanging body inclines towards the direction of the hanging body, a cavity is formed in the hanging body, an opening is formed in the hanging body, and the electric conductor is located in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; in the hanging cable, a plurality of hanging parts are sequentially arranged on the periphery of a central beam tube, a second hanging body of the last hanging part is attached to a third hanging body of the next hanging part, a second hanging body of the last hanging part is attached to a third hanging body of the first hanging part, the surfaces of the other ends of all the second hanging bodies and the surfaces of the other ends of all the third hanging bodies are attached to the outer surface of the central beam tube, and the plurality of hanging parts are spliced to cover the whole outer circumference of the central beam tube; the top end of the first hanging body of each hanging component is tangent to the inner wall of the outer sheath.
2. A suspended cable as claimed in claim 1, wherein the material of the electrical conductor is aluminium or copper or an alloy.
3. A suspended cable according to claim 1, wherein the optical fiber ribbons are of the edge-bonding type or the integrally-coated type, the number of the light transmitting members in each optical fiber ribbon is 2 to 24, and the light transmitting members are single-mode optical fibers or multimode optical fibers.
4. A suspended cable as claimed in claim 1, 2 or 3, wherein the light-transmitting component is of the type g.652 or g.653 or g.654 or g.655 or g.656 or g.657 or A1a or A1b or A1 c.
5. A hanging optical cable comprises a central beam tube, a plurality of optical conductors outside the central beam tube, an outer sheath outside the optical conductors, a plurality of optical fiber ribbons which are sequentially stacked in the central beam tube, and optical transmission components in the optical fiber ribbons, and is characterized in that the hanging optical cable also comprises a plurality of hanging components, each hanging component comprises a first hanging body, a second hanging body, a third hanging body, a hanging connection part and a hanging body, the hanging components are of an integrated structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of a cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting part, the lowest position of the hanging body is positioned above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the hanging body, the other end of the third hanging body inclines towards the hanging body, a cavity is formed in the hanging body, and the light conductor is positioned in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; or, the hanging parts are all composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integral structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of the cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called as a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting portion, the lowest position of the hanging body is located above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the direction of the hanging body, the other end of the third hanging body inclines towards the direction of the hanging body, a cavity is formed in the hanging body, an opening is formed in the hanging body, and the light conductor is located in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; in the suspension type optical cable, a plurality of suspension parts are sequentially arranged on the periphery of a central beam tube, a second suspension body of the last suspension part is attached to a third suspension body of the next suspension part, a second suspension body of the last suspension part is attached to a third suspension body of the first suspension part, the surfaces of the other ends of all second suspension bodies and the surfaces of the other ends of all third suspension bodies are attached to the outer surface of the central beam tube, and the plurality of suspension parts are spliced to cover the whole outer circumference of the central beam tube; the top end of the first hanging body of each hanging component is tangent to the inner wall of the outer sheath.
6. A hanging optical cable is provided with a central beam tube, a plurality of light conductors outside the central beam tube, and an outer sheath outside the light conductors, wherein the central beam tube is internally provided with a plurality of optical fibers, and is characterized in that the hanging optical cable is also provided with a plurality of hanging parts, each hanging part is composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integrated structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of a cylinder, and the surface of the other end of the third hanging body is a part of the surface of a cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting part, the lowest part of the hanging body is positioned above the first cylindrical surface or the lowest part of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the hanging body, the other end of the third hanging body inclines towards the hanging body, a cavity is formed in the hanging body, and the light conductor is positioned in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; or, the hanging parts are all composed of a first hanging body, a second hanging body, a third hanging body, a hanging connecting part and a hanging body, the hanging parts are of an integral structure, the first hanging body is a part of a circular cylinder, the second hanging body is approximately cuboid, the third hanging body is approximately cuboid, the first hanging body is bent downwards, one end of the first hanging body is connected with one end of the third hanging body, the other end of the first hanging body is connected with one end of the second hanging body, the surface of the other end of the second hanging body is a part of the surface of the cylinder, the surface of the other end of the third hanging body is a part of the surface of the cylinder, the surface of the other end of the second hanging body and the surface of the other end of the third hanging body are on the same cylindrical surface, the cylindrical surface is called as a first cylindrical surface, the hanging connecting part extends downwards from the center of the lower surface of the first hanging body, the hanging body is connected to the lower end of the hanging connecting portion, the lowest position of the hanging body is located above the first cylindrical surface or the lowest position of the hanging body is tangent to the first cylindrical surface, the other end of the second hanging body inclines towards the direction of the hanging body, the other end of the third hanging body inclines towards the direction of the hanging body, a cavity is formed in the hanging body, an opening is formed in the hanging body, and the light conductor is located in the cavity; a first cavity is formed among the left side of the hanging connecting part, the left side of the hanging body, the lower side of the first hanging body and the upper side of the third hanging body; a second cavity is formed among the right side of the hanging connecting part, the right side of the hanging body, the lower side of the first hanging body and the upper side of the second hanging body; in the suspension type optical cable, a plurality of suspension parts are sequentially arranged on the periphery of a central beam tube, a second suspension body of the last suspension part is attached to a third suspension body of the next suspension part, a second suspension body of the last suspension part is attached to a third suspension body of the first suspension part, the surfaces of the other ends of all second suspension bodies and the surfaces of the other ends of all third suspension bodies are attached to the outer surface of the central beam tube, and the plurality of suspension parts are spliced to cover the whole outer circumference of the central beam tube; the top end of the first hanging body of each hanging component is tangent to the inner wall of the outer sheath.
7. A suspended optical cable as claimed in claim 5 or claim 6, wherein the material of the central tube is modified polypropylene or polybutylene terephthalate or steel or copper or alloy.
8. A suspended optical cable as claimed in claim 7, wherein the suspending member is of plastics material.
9. A suspended optical cable according to claim 8, wherein the outer sheath is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or TPE or TPU or low-smoke halogen-free flame-retardant polyethylene or nylon or polyurethane.
10. A suspended optical cable as claimed in claim 9, wherein the optical conductor is of the type g.652 or g.653 or g.654 or g.655 or g.656 or g.657 or A1a or A1b or A1 c; the optical fiber is a single-mode optical fiber or a multi-mode optical fiber, and the preferred model is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b or A1 c.
CN202010324625.9A 2020-04-23 2020-04-23 Hanging type cable and optical cable Withdrawn CN111403101A (en)

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CN202010324625.9A CN111403101A (en) 2020-04-23 2020-04-23 Hanging type cable and optical cable
CN202080005261.6A CN112789694B (en) 2020-04-23 2020-12-06 Hanging type cable with optical fiber tape, hanging type optical fiber tape optical cable and hanging type optical cable
PCT/CN2020/134146 WO2021212856A1 (en) 2020-04-23 2020-12-06 Hanging type electrical cable and fiber optic cable

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WO2021212856A1 (en) * 2020-04-23 2021-10-28 常熟虞通光电科技有限公司 Hanging type electrical cable and fiber optic cable

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