CN111768917A - Special-shaped cable and photoelectric hybrid cable - Google Patents

Special-shaped cable and photoelectric hybrid cable Download PDF

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Publication number
CN111768917A
CN111768917A CN202010791751.5A CN202010791751A CN111768917A CN 111768917 A CN111768917 A CN 111768917A CN 202010791751 A CN202010791751 A CN 202010791751A CN 111768917 A CN111768917 A CN 111768917A
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CN
China
Prior art keywords
protective layer
cable
electric
shaped
optical
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Pending
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CN202010791751.5A
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Chinese (zh)
Inventor
袁红
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Changshu Liangfang Intelligent Technology Co ltd
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Changshu Liangfang Intelligent Technology Co ltd
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Priority to CN202010791751.5A priority Critical patent/CN111768917A/en
Publication of CN111768917A publication Critical patent/CN111768917A/en
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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
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • 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
    • H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
    • H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
    • 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
    • H01B7/42—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)
  • Communication Cables (AREA)

Abstract

The invention belongs to the field of cables, and particularly relates to a special-shaped cable which is provided with a first outer protective layer, two first electric units, two second electric units and a first reinforcing part, and is characterized in that the middle parts of the upper side and the lower side of a main body of the first outer protective layer are recessed inwards to form two second containing cavities, the second electric units are arranged inside the second containing cavities, each recessed part is respectively connected with two arc-shaped limiting parts, a first containing cavity is formed inside each limiting part, the first electric units are arranged inside the first containing cavities, the outer walls of the two limiting parts corresponding to the same side are connected, a reinforcing part containing cavity is formed together with the limiting parts, the first reinforcing part is positioned in the reinforcing part containing cavity, and two inflection points G are formed on the upper side and the lower side of the main body of the first outer protective layer corresponding to each second containing cavity The special-shaped photoelectric hybrid cable has the beneficial effects of long service life and the like.

Description

Special-shaped cable and photoelectric hybrid cable
Technical Field
The invention belongs to the field of cables, and particularly relates to a special-shaped cable and a photoelectric hybrid cable.
Background
With the wide-range popularization of domestic 5G construction, the requirement of the optical cable is larger and larger, and the requirement of an operator on the water permeability of the optical cable is stricter and stricter.
In the prior art, for example, CN210052571U discloses an indoor optical-electrical hybrid cable having a protective layer, two electrical units and a plurality of optical communication components; the photoelectric mixed cable is characterized in that the protective layer is composed of a protective layer main body and a partition strip, an independent first containing cavity and two independent second containing cavities are formed in the protective layer main body, the first containing cavity and the second containing cavities are separated through the partition strip, the outer edge of the protective layer main body is octagonal, four sides are straight sides, the other four sides between the four sides are arc-shaped sides which are concave inwards, the first containing cavity is in a shape with large upper end and small lower end and small middle, the diameter of the electric unit is larger than the minimum width of the middle of the first containing cavity, and the photoelectric mixed cable in the prior art is poor in compression resistance.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a special-shaped cable and a photoelectric hybrid cable, which are realized by adopting the following technical scheme.
A special-shaped cable is provided with a first outer protective layer, two first electric units, two second electric units and a first reinforcing piece, wherein each first electric unit is composed of a first electric conductor and a first protective layer extruded outside the first electric conductor, each second electric unit is composed of a second electric conductor and a second protective layer extruded outside the second electric conductor, the special-shaped cable is characterized in that the first outer protective layer is composed of a first outer protective layer main body, the middle parts of the upper side and the lower side of the first outer protective layer main body are recessed inwards to form two second containing cavities, each second containing cavity is internally provided with one second electric unit, each recessed part is respectively connected with two arc-shaped limiting parts, a first containing cavity is formed inside each limiting part, each first containing cavity is internally provided with one first electric unit, the shortest distance between the tail end of each limiting part and the first outer protective layer main body is smaller than the outer diameter of the first electric unit, and the first electric units are prevented from being separated from the limiting parts, two limiting parts outer walls corresponding to the same side are connected, a reinforcing part containing cavity is formed by the limiting parts together, two inflection points G are formed on the upper side and the lower side of the first outer protective layer main body corresponding to each second containing cavity, the second electric unit is fixed by the two inflection points G on the same side and the connecting portion of the two limiting parts on the same side, the contact surface of the first outer protective layer main body and the second electric unit is reduced, and the rapid dissipation of internal heat is facilitated when the second electric unit works.
The special-shaped cable is characterized in that the second protective layer is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene.
The special-shaped cable is characterized in that the second conductor material is copper or aluminum.
A special-shaped photoelectric mixed cable comprises a first outer protective layer, two first electric units, two optical communication parts and a first reinforcing part, wherein each first electric unit is composed of a first electric conductor and a first protective layer extruded outside the first electric conductor, and is characterized in that the first outer protective layer is composed of a first outer protective layer main body, the middle parts of the upper side and the lower side of the first outer protective layer main body are recessed inwards to form two second containing cavities, each second containing cavity is internally provided with one optical communication part, each recessed part is respectively connected with two arc-shaped limiting parts, the limiting parts internally form a first containing cavity, each first containing cavity is internally provided with one first electric unit, the shortest distance between the tail end of each limiting part and the first outer protective layer main body is smaller than the outer diameter of the first electric unit to prevent the first electric unit from being separated from the limiting parts, the outer walls of the two limiting parts corresponding to the same side are connected, form a reinforcement appearance chamber jointly with stop part, every second holds the upper and lower both sides of the first outer jacket main part that the chamber corresponds and forms two flex points G, and two flex points G of homonymy and the fixed second electric unit of the connecting portion of two stop part of homonymy reduce the contact surface of first outer jacket main part and second electric unit, are favorable to the second electric unit during operation, and inside thermal gives off fast.
The special-shaped photoelectric hybrid cable is characterized in that the optical communication component comprises a loose tube and at least one optical fiber or optical fiber ribbon arranged in the loose tube, and the optical fiber ribbon is formed by combining at least two optical fibers.
The special-shaped photoelectric hybrid cable is characterized in that the optical fiber material is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
The special-shaped photoelectric hybrid cable is characterized in that the loose tube 61 is made of polybutylene terephthalate or modified polypropylene.
When the optical fiber ribbon is used, the fiber core density of the photoelectric hybrid cable is increased, and the transmission capacity of optical signals is improved.
The special-shaped cable or the photoelectric mixed cable is characterized in that a second outer protective layer is further arranged outside the first outer protective layer, and a second reinforcing piece is arranged in a gap formed by the first outer protective layer and the concave part of the first outer protective layer.
The special-shaped cable or the photoelectric hybrid cable is characterized in that the second reinforcing part is made of a phosphated steel wire, a stainless steel wire or a glass fiber reinforced plastic rod.
The special-shaped cable or the photoelectric mixed cable is characterized in that the second outer sheath material is polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin or nylon.
According to the special-shaped cable or the photoelectric hybrid cable, the second outer protective layer and the second reinforcing piece are added, the tensile resistance of the cable is improved, and the protection of the first electric unit and the second electric unit in the cable is enhanced.
The special-shaped cable or the photoelectric hybrid cable is characterized in that the reinforcing part accommodating cavity is non-circular, and the outer wall of the first reinforcing part is completely attached to the inner wall of the reinforcing part accommodating cavity, so that the torsion resistance of the cable is improved.
The special-shaped cable or the photoelectric hybrid cable is characterized in that the first conductor material is copper or aluminum.
The special-shaped cable or the photoelectric hybrid cable is characterized in that the first outer protective layer material is polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin or nylon.
According to the invention, the first electric unit, the second electric unit and the optical communication part are mutually isolated, and a larger gap is formed between the first electric unit, the second electric unit or the optical communication part and the first outer protective layer main body, so that the heat dissipation efficiency of the cable or the optical-electric hybrid cable is improved, the heat generation of the cable or the optical-electric hybrid cable is reduced, the current-carrying capacity of the cable or the optical-electric hybrid cable is indirectly improved, the thermal aging time of the first outer protective layer is indirectly prolonged, and the service life of the cable or the optical-electric hybrid cable is prolonged; the first electric unit and the second electric unit or the optical communication part are not required to be fixed by materials such as binding yarns, so that the material cost is saved, the storage space and the material management cost are saved, the production procedures are reduced, the production efficiency is improved, and the labor cost is saved; when the second reinforcing part is stressed, the stress borne by the first electric unit and the second electric unit or the optical communication component can be relieved through the elasticity of the first outer protective layer, and the compression resistance of the cable or the optical-electric hybrid cable is improved.
Therefore, the invention has the advantages of simple structure, low cost, high production efficiency, good heat dissipation performance, good pressure resistance, long service life and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a first outer protective layer according to the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 5 is a schematic structural diagram of embodiment 4 of the present invention.
In the figure: 1. the optical cable comprises a first outer protective layer, 11, a first outer protective layer main body, 12, a limiting component, 13, a first cavity, 14, a reinforcing component cavity, 15, a second cavity, 2, a first electric unit, 21, a first protective layer, 22, a first electric conductor, 3, a second electric unit, 31, a second protective layer, 32, a second electric conductor, 4, a first reinforcing component, 5, a second reinforcing component, 6, an optical communication component, 61, a loose sleeve, 62, an optical fiber, 63, an optical fiber ribbon, 7, a second outer protective layer and a G inflection point.
Detailed Description
Example 1
Referring to fig. 1 and 2, a special-shaped cable includes a first outer sheath 1, two first electrical units 2, two second electrical units 3 and a first reinforcing member 4, where the first electrical unit 2 is composed of a first conductor 22 and a first protective layer 21 extruded outside the first conductor 22, and the second electrical unit 3 is composed of a second conductor 32 and a second protective layer 31 extruded outside the second conductor 32, and is characterized in that the first outer sheath 1 is composed of a first outer sheath main body 11, the middle portions of the upper and lower sides of the first outer sheath main body 11 are recessed inward to form two second cavities 15, each second cavity 15 is provided with one second electrical unit 3, each recessed portion is connected to two arc-shaped limiting members 12, the limiting members 12 are formed with a first cavity 13, each first cavity 13 is provided with one first electrical unit 2, and the shortest distance from the tail end of each limiting member 12 to the first outer sheath main body 11 is smaller than the outer diameter of the first electrical unit 2 The first electric unit 2 is prevented from being separated from the limiting part 12, the outer walls of the two limiting parts 12 corresponding to the same side are connected, a reinforcing part accommodating cavity 14 is formed together with the limiting part 12, the first reinforcing part 4 is located in the reinforcing part accommodating cavity 14, two inflection points G are formed on the upper side and the lower side of the first outer protective layer main body 11 corresponding to each second accommodating cavity 15, the second electric unit 3 is fixed by the two inflection points G on the same side and the connecting part of the two limiting parts 12 on the same side, the contact surface between the first outer protective layer main body 11 and the second electric unit 3 is reduced, the second electric unit 3 is favorable for fast dissipation of internal heat during working, the reinforcing part accommodating cavity 14 is non-circular, the inner wall of the reinforcing part accommodating cavity 14 is completely attached to the outer wall of the first reinforcing part 4, and the torsion resistance performance of a.
Example 2
Referring to fig. 3 and 2, a special-shaped cable includes a first outer sheath 1, two first electrical units 2, two second electrical units 3 and a first reinforcing member 4, where the first electrical unit 2 is composed of a first conductor 22 and a first protective layer 21 extruded outside the first conductor 22, and the second electrical unit 3 is composed of a second conductor 32 and a second protective layer 31 extruded outside the second conductor 32, and is characterized in that the first outer sheath 1 is composed of a first outer sheath main body 11, the middle portions of the upper and lower sides of the first outer sheath main body 11 are recessed inward to form two second cavities 15, each second cavity 15 is provided with one second electrical unit 3, each recessed portion is connected to two arc-shaped limiting members 12, the limiting members 12 are formed with a first cavity 13, each first cavity 13 is provided with one first electrical unit 2, and the shortest distance from the tail end of each limiting member 12 to the first outer sheath main body 11 is smaller than the outer diameter of the first electrical unit 2 The first electric unit 2 is prevented from separating from the limiting parts 12, the outer walls of the two limiting parts 12 corresponding to the same side are connected, together with the stop element 12, a reinforcement volume 14 is formed, the first reinforcement 4 being located in the reinforcement volume 14, two inflection points G are formed at the upper side and the lower side of the first outer protective layer main body 11 corresponding to each second containing cavity 15, the second electrical unit 3 is fixed at the connecting part of the two inflection points G at the same side and the two limiting parts 12 at the same side, the contact surface of the first outer protective layer main body 11 and the second electrical unit 3 is reduced, the rapid dissipation of internal heat is facilitated when the second electrical unit 3 works, the strength member containing cavity 14 is non-circular, the outer wall of the first strength member 4 is completely attached to the inner wall of the strength member containing cavity 14, the torsion resistance of the cable is improved, the first outer protection layer 1 is also provided with a second outer protection layer 7, and a second reinforcing piece 5 is arranged in a gap formed by the first outer protection layer 1 and the concave part of the first outer protection layer 1.
In this embodiment, the second outer sheath 7 and the second reinforcing member 5 are added, so that the tensile resistance of the cable is improved, and the protection of the first electrical unit 2 and the second electrical unit 3 inside the cable is enhanced.
The special-shaped cable according to embodiment 1 or embodiment 2, wherein the second protective layer 31 is made of polyvinyl chloride or high density polyethylene or medium density polyethylene or low density polyethylene.
The special-shaped cable according to embodiment 1 or embodiment 2, wherein the second electrical conductor 32 is made of copper or aluminum.
Example 3
Referring to fig. 4 and 2, a special-shaped optical-electrical hybrid cable includes a first outer sheath 1, two first electrical units 2, two optical communication components 6 and a first reinforcing member 4, where the first electrical unit 2 is composed of a first conductor 22 and a first protective layer 21 extruded outside the first conductor 22, and the optical communication components 6 are composed of a loose tube 61 and at least one optical fiber 62 arranged in the loose tube 61, and is characterized in that the first outer sheath 1 is composed of a first outer sheath main body 11, the middle portions of the upper and lower sides of the first outer sheath main body 11 are recessed toward the inside to form two second cavities 15, each second cavity 15 is provided with one optical communication component 6, each recessed portion is connected to two arc-shaped limiting components 12, the limiting component 12 forms a first cavity 13 inside, each first cavity 13 is provided with a first electrical unit 2, the end of each limiting component 12 is located at the shortest distance from the first outer sheath main body 11 and smaller than the outer diameter of the first electrical unit 2, the first electric unit 2 is prevented from separating from the limiting parts 12, the outer walls of the two limiting parts 12 corresponding to the same side are connected, together with the stop element 12, a reinforcement volume 14 is formed, the first reinforcement 4 being located in the reinforcement volume 14, two inflection points G are formed at the upper side and the lower side of the first outer protective layer main body 11 corresponding to each second containing cavity 15, the second electrical unit 3 is fixed at the connecting part of the two inflection points G at the same side and the two limiting parts 12 at the same side, the contact surface of the first outer protective layer main body 11 and the second electrical unit 3 is reduced, the rapid dissipation of internal heat is facilitated when the second electrical unit 3 works, the strength member containing cavity 14 is non-circular, the outer wall of the first strength member 4 is completely attached to the inner wall of the strength member containing cavity 14, the torsion resistance of the cable is improved, the first outer protection layer 1 is also provided with a second outer protection layer 7, and a second reinforcing piece 5 is arranged in a gap formed by the first outer protection layer 1 and the concave part of the first outer protection layer 1.
In the above embodiment, the optical communication component 6 is added, and the optical signal and the electrical signal can be transmitted simultaneously.
Example 4
Referring to fig. 5 and 2, a special-shaped optical-electrical hybrid cable includes a first outer sheath 1, two first electrical units 2, two optical communication components 6 and a first reinforcing member 4, where the first electrical unit 2 includes a first conductor 22 and a first protective layer 21 extruded outside the first conductor 22, and the optical communication components 6 includes a loose tube 61 and at least one optical fiber ribbon 63 disposed in the loose tube 61, and is characterized in that the first outer sheath 1 includes a first outer sheath main body 11, the middle portions of the upper and lower sides of the first outer sheath main body 11 are recessed toward the inside to form two second cavities 15, each second cavity 15 includes one optical communication component 6, each recessed portion is connected to two arc-shaped limiting components 12, each limiting component 12 forms a first cavity 13 therein, each first cavity 13 includes a first electrical unit 2 therein, and the shortest distance from the end of each limiting component 12 to the first outer sheath main body 11 is smaller than the outer diameter of the first electrical unit 2 The first electric unit 2 is prevented from being separated from the limiting part 12, the outer walls of the two limiting parts 12 corresponding to the same side are connected to form a reinforcing part containing cavity 14 together with the limiting part 12, the first reinforcing part 4 is positioned in the reinforcing part containing cavity 14, two inflection points G are formed on the upper side and the lower side of the first outer protective layer main body 11 corresponding to each second containing cavity 15, the second electric unit 3 is fixed at the connecting part of the two inflection points G on the same side and the two limiting parts 12 on the same side, the contact surface of the first outer protective layer main body 11 and the second electric unit 3 is reduced, the rapid dissipation of internal heat is facilitated when the second electric unit 3 works, the reinforcing part containing cavity 14 is non-circular, the outer wall of the first reinforcing part 4 is completely attached to the inner wall of the reinforcing part containing cavity 14, the torsion resistance performance of a cable is improved, the second outer protective layer 7 is further arranged outside the first outer protective layer 1, and a second reinforcing part 5 is arranged in a gap formed by the concave parts of the first outer, the optical fiber ribbon 63 is formed by bundling at least two optical fibers 62.
According to the embodiment, the fiber core density of the photoelectric hybrid cable is increased, and the transmission capacity of optical signals is improved.
The special-shaped optical-electrical hybrid cable according to any one of embodiments 2 to 4, wherein the optical fiber 62 is made of g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b, or A1 c.
The special-shaped optical-electrical hybrid cable according to embodiments 2 to 4 is characterized in that the material of the loose tube 61 is polybutylene terephthalate or modified polypropylene.
The special-shaped cable or the optical/electrical hybrid cable according to embodiments 2 to 4 is characterized in that the second outer covering 7 is made of polyvinyl chloride, high density polyethylene, medium density polyethylene, low density polyethylene, flame retardant polyolefin or nylon.
The special-shaped cable or the optical-electrical hybrid cable according to embodiments 2 to 4 is characterized in that the second reinforcement member 5 is made of a phosphated steel wire, a stainless steel wire or a glass fiber reinforced plastic rod.
The special-shaped cable or the photoelectric hybrid cable according to any embodiment of the invention is characterized in that the first reinforcing member 4 is made of a phosphated steel wire, a stainless steel wire or a glass fiber reinforced plastic rod.
The special-shaped cable or the optical-electrical hybrid cable according to any of the embodiments above, wherein the first protective layer 21 is made of polyvinyl chloride, high density polyethylene, medium density polyethylene, low density polyethylene, flame retardant polyolefin, or nylon.
The special-shaped cable or the optical-electrical hybrid cable according to any of the above embodiments, wherein the first electrical conductor 22 is made of copper or aluminum.
The special-shaped cable or the photoelectric hybrid cable according to any embodiment is characterized in that the first outer sheath 1 is made of polyvinyl chloride, high-density polyethylene, medium-density polyethylene, low-density polyethylene, flame-retardant polyolefin or nylon.
In the invention, the first electric unit 2, the second electric unit 3 and the optical communication part 6 are mutually isolated, and a larger gap is formed between the first electric unit 2, the second electric unit 3 or the optical communication part 6 and the first outer protective layer main body 11, so that the heat dissipation efficiency of the cable or the photoelectric mixed cable is improved, the heat generation of the cable or the photoelectric mixed cable is reduced, the current-carrying capacity of the cable or the photoelectric mixed cable is indirectly improved, the thermal aging time of the first outer protective layer 1 is indirectly prolonged, and the service life of the cable or the photoelectric mixed cable is prolonged; the first electric unit 2 and the second electric unit 3 or the optical communication part 6 are not required to be fixed by materials such as binding yarns, so that the material cost is saved, the storage space and the material management cost are saved, the production process is reduced, the production efficiency is improved, and the labor cost is saved; when the second reinforcing member 5 is subjected to pressure, the pressure applied to the first electrical unit 2 and the second electrical unit 3 or the optical communication component 6 can be relieved through the elasticity of the first outer protective layer 1, and the pressure resistance of the cable or the optical-electrical hybrid cable is improved.
The invention solves the problem of poor compression resistance of the cable or the photoelectric mixed cable in the prior art.
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 special-shaped cable is provided with a first outer protective layer (1), two first electric units (2), two second electric units (3) and a first reinforcing part (4), wherein each first electric unit (2) is composed of a first conductor (22) and a first protective layer (21) extruded outside the first conductor (22), each second electric unit (3) is composed of a second conductor (32) and a second protective layer (31) extruded outside the second conductor (32), the special-shaped cable is characterized in that the first outer protective layer (1) is composed of a first outer protective layer main body (11), the middle parts of the upper side and the lower side of the first outer protective layer main body (11) are recessed inwards to form two second containing cavities (15), each second containing cavity (15) is internally provided with one second electric unit (3), each recessed part is respectively connected with two arc-shaped limiting parts (12), and a first containing cavity (13) is formed inside each limiting part (12), every is equipped with an electric unit (2) in first appearance chamber (13), spacing part (12) end is less than the external diameter of first electric unit (2) apart from first outer jacket main part (11) by the shortest distance, and two spacing part (12) outer walls that correspond with one side link to each other, form a reinforcement appearance chamber (14) jointly with spacing part (12), and first reinforcement (4) are located reinforcement appearance chamber (14), the upper and lower both sides of the first outer jacket main part (11) that every second appearance chamber (15) corresponds form two flex points G.
2. A profiled cable as claimed in claim 1, characterized in that the material of the second protective layer (31) is polyvinyl chloride or high density polyethylene or medium density polyethylene or low density polyethylene.
3. A profiled cable as claimed in claim 1 or claim 2, characterised in that the second electrical conductor (32) is of copper or aluminium.
4. A profiled optical/electrical hybrid cable as claimed in claim 3, characterized in that the first outer sheath (1) is provided with a second outer sheath (7), and a second reinforcement (5) is provided in the gap formed by the first outer sheath (1) and the recess of the first outer sheath (1).
5. A profiled opto-electric hybrid cable as claimed in claim 4, characterized in that the strength member receiving cavity (14) is non-circular and the outer wall of the first strength member (4) is completely attached to the inner wall of the strength member receiving cavity (14).
6. The utility model provides a special-shaped photoelectricity mixes cable, has first outer jacket (1), two first electric units (2), two optical communication parts (6) and a first reinforcement (4), first electric unit (2) comprise first electric conductor (22) and first protective layer (21) of extrusion molding outside first electric conductor (22), its characterized in that first outer jacket (1) constitute by first outer jacket main part (11), both sides middle part is inside recessed from top to bottom in first outer jacket main part (11), forms two second and holds chamber (15), is equipped with an optical communication part (6) in every second holds chamber (15), and every recessed part respectively connects two curved spacing parts (12), and spacing part (12) inside forms a first appearance chamber (13), is equipped with first electric unit (2) in every first appearance chamber (13), spacing part (12) end is less than first electric unit (11) apart from first outer jacket main part (11) shortest distance, (1), (2) are first electric unit (4) 2) The outer diameters of the two limiting parts (12) corresponding to the same side are connected, a reinforcing part containing cavity (14) is formed together with the limiting parts (12), and two inflection points G are formed on the upper side and the lower side of the first outer protective layer main body (11) corresponding to each second containing cavity (15).
7. A profiled optical-electrical hybrid cable as claimed in claim 6, characterized in that the optical communication component (6) is composed of a loose tube (61) and at least one optical fiber (62) or optical fiber ribbon (63) arranged inside the loose tube (61), the optical fiber ribbon (63) being composed of at least two optical fibers (62) in parallel; the loose tube (61) is made of polybutylene terephthalate or modified polypropylene; the second reinforcing piece (5) is made of a phosphated steel wire or a stainless steel wire or a glass fiber reinforced plastic rod; the second outer protective layer (7) is made of polyvinyl chloride or high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin or nylon.
8. A profiled optical-electrical hybrid cable according to claim 6 or claim 7, characterized in that the material of the optical fibers (62) is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type.
9. A shaped optical/electrical hybrid cable as claimed in claim 8, wherein the first outer sheath (1) is provided with a second outer sheath (7), and a second reinforcement member (5) is provided in a gap formed by the first outer sheath (1) and the recess of the first outer sheath (1).
10. A shaped optoelectric hybrid cable according to claim 9, wherein the strength member receiving cavity (14) is non-circular and the outer wall of the first strength member (4) is completely adjacent to the inner wall of the strength member receiving cavity (14).
CN202010791751.5A 2020-08-08 2020-08-08 Special-shaped cable and photoelectric hybrid cable Pending CN111768917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010791751.5A CN111768917A (en) 2020-08-08 2020-08-08 Special-shaped cable and photoelectric hybrid cable

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Application Number Priority Date Filing Date Title
CN202010791751.5A CN111768917A (en) 2020-08-08 2020-08-08 Special-shaped cable and photoelectric hybrid cable

Publications (1)

Publication Number Publication Date
CN111768917A true CN111768917A (en) 2020-10-13

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CN202010791751.5A Pending CN111768917A (en) 2020-08-08 2020-08-08 Special-shaped cable and photoelectric hybrid cable

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