CN111781693A - Nested optical cable of self-supporting structure and cable - Google Patents
Nested optical cable of self-supporting structure and cable Download PDFInfo
- Publication number
- CN111781693A CN111781693A CN202010791750.0A CN202010791750A CN111781693A CN 111781693 A CN111781693 A CN 111781693A CN 202010791750 A CN202010791750 A CN 202010791750A CN 111781693 A CN111781693 A CN 111781693A
- Authority
- CN
- China
- Prior art keywords
- protective layer
- optical communication
- self
- main body
- communication component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 102
- 238000004891 communication Methods 0.000 claims abstract description 60
- 239000011241 protective layer Substances 0.000 claims abstract description 56
- 239000000725 suspension Substances 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 18
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 12
- 239000004800 polyvinyl chloride Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 229920001684 low density polyethylene Polymers 0.000 claims description 9
- 239000004702 low-density polyethylene Substances 0.000 claims description 9
- 229920001179 medium density polyethylene Polymers 0.000 claims description 9
- 239000004701 medium-density polyethylene Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 11
- 239000010410 layer Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 239000011152 fibreglass Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G02B6/44—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
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- 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
-
- 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
-
- 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
- H01B7/38—Insulated conductors or cables characterised by their form with arrangements for facilitating removal of insulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to a self-supporting structure nested optical cable which is provided with a suspension wire, an outer protective layer and four optical communication components, wherein each optical communication component consists of two optical communication component main bodies, two reinforcing members positioned at two sides of each optical communication component main body and an optical communication component protective layer extruded outside the optical communication component main bodies and the reinforcing members The invention also discloses a self-supporting structure nested cable.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a self-supporting structure nested optical cable and a self-supporting structure nested 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, CN110989118A discloses a self-supporting bundled butterfly-shaped optical cable, which includes a reinforced core, wherein an installation sheath is disposed outside the reinforced core, a plurality of installation grooves are circumferentially disposed on an outer wall of the installation sheath, the installation grooves are disposed along an axial direction of the installation sheath, and butterfly-shaped optical cable units are installed in the installation grooves; the outer surface of the installation sheath extends outwards to form a hanging strip part and a hanging wire part located at the tail end of the hanging strip part, a hanging wire is arranged inside the hanging wire part, the butterfly-shaped optical cable unit comprises an outer sheath, an optical cable core is arranged in the outer sheath, reinforcing parts are symmetrically arranged on two sides of the optical cable core, the butterfly-shaped optical cable unit is embedded into the installation groove, and when the butterfly-shaped optical cable unit is embedded into the installation groove, glue is coated in the installation groove, so that the butterfly-shaped optical cable unit is bonded with the installation groove through the glue.
The above prior art has the following disadvantages: through mounting groove card post butterfly-shaped optical cable, butterfly-shaped optical cable easily drops, even at mounting groove internal coating glue, has also received the influence easily for a long time glue viscidity, and the volatile noxious material of glue simultaneously is unfavorable to the environment.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a self-supporting structure nested optical cable and a self-supporting structure nested optical cable, which are realized by adopting the following technical scheme.
A self-supporting structure nested optical cable is provided with a suspension wire, an outer protective layer and four optical communication components, wherein each optical communication component comprises two optical communication component main bodies, two reinforcing parts positioned at two sides of each optical communication component main body and an optical communication component protective layer extruded outside the optical communication component main bodies and the reinforcing parts, the optical communication component is characterized in that the outer protective layer comprises an outer protective layer main body, the top of each outer protective layer main body is provided with a rib, the top of each rib is provided with the suspension wire protective layer, the suspension wire is positioned in the suspension wire protective layer, two sides of the upper end and the lower end of each outer protective layer main body are respectively provided with a horizontal 8-shaped first containing cavity, a first embedding port is formed at the outer side opening of each first containing cavity, the optical communication components are 8-shaped and are embedded into the first containing cavities through the first embedding ports, two separation ports are formed at the middle parts of the optical communication components, a bulge at the middle parts of the first containing cavities is embedded into, in order to prevent the optical communication part from coming off the first fitting opening and facilitate taking out the optical communication part, the width of the first fitting opening is optimally in the range of [2/3 times the short wheelbase of the optical communication part, 4/5 times the short wheelbase of the optical communication part ] through a plurality of experiments.
The self-supporting structure nested optical cable is characterized in that the optical communication component main body is an optical fiber, and the optical fiber 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 self-supporting structure nested optical cable is characterized in that the reinforcing member is made of a phosphated steel wire, a stainless steel wire or a glass fiber reinforced plastic rod.
The self-supporting structure nested optical cable is characterized in that the optical communication component sheath material is flame-retardant polyolefin or polyvinyl chloride.
A self-supporting structure nested cable is provided with a suspension wire, an outer protection layer and four electric units, wherein each electric unit is composed of an electric unit main body and an electric unit protective layer extruded outside the electric unit main body, the self-supporting structure nested cable is characterized in that the outer protection layer is composed of the outer protection layer main body, a rib is arranged at the top of the outer protection layer main body, the suspension wire protective layer is arranged at the top of the rib, the suspension wire is positioned in the suspension wire protective layer, two sides of the upper end and the lower end of the outer protection layer main body are respectively provided with a horizontal 8-shaped first containing cavity, a first embedding opening is formed at the outer side of the first containing cavity, the electric unit is embedded into the inner containing cavity of the 8-shaped first containing cavity of the first containing cavity through a first embedding opening, the outer diameter of the electric unit is larger than the distance d in the middle of the 8-shaped first containing cavity, in order to prevent the electric unit from being separated from the first embedding opening and facilitate taking out of the electric unit, 4/5 times the radius of the electrical unit ].
The self-supporting structure nested cable is characterized in that the main body of the electric unit is a single round copper wire or a copper wire stranded wire.
The self-supporting structure nested cable is characterized in that the electric unit sheath material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride.
The nested cable of self-supporting structure, the outer jacket main part between the first appearance chamber that corresponds from top to bottom still forms a second and holds the chamber, and the outer end that the second held the chamber still forms a second and inlays the entry, and the second holds the intracavity and is equipped with an at least signal line, the signal line comprises signal line main part and the signal line sheath of extrusion molding outside the signal line main part, the signal line passes through the second embedding mouth and gets into the second and hold the intracavity, and the opening distance that the second inlayed the entry is less than the external diameter of signal line.
The self-supporting structure nested cable is characterized in that the main material of the signal line is copper.
The self-supporting structure nested cable is characterized in that the signal wire sheath material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride.
The self-supporting structure nested optical cable and the self-supporting structure nested optical cable are characterized in that the suspension wire is a phosphated steel wire or a galvanized steel wire or a phosphated steel wire stranded wire or a galvanized steel wire stranded wire.
The self-supporting structure nested optical cable and the self-supporting structure nested optical cable are characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or flame-retardant polyolefin.
In the invention, four optical communication parts or electric units can be hung in the optical cable or the electric cable at one time, so that manpower and material resources are saved; optical communication components or electrical units or signal wires in the optical cable or the electric cable can be taken out of the outer protective layer quickly, so that the construction efficiency is improved, and the construction time is saved; an outer protective layer can be laid independently during construction, and optical communication components or electric units or signal wires can be added according to needs in the later period, so that the cost is saved for product demand; the length of the optical communication part or the electrical unit or the signal wire can be customized and can be different from that of the outer protective layer, so that the material is not wasted, and the resource is saved; the outer jacket is provided with a first embedded opening and a first cavity middle protruding double protection to prevent the optical communication component or the electric unit from falling off.
Therefore, the invention has the advantages of simple structure, convenient construction, cost saving, customizable length, photoelectric simultaneous transmission 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 an outer protective layer according to embodiments 1 and 2 of 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 an outer protection layer according to embodiment 3 of the present invention.
In the figure: 1. the optical communication component comprises a suspension wire, 2 parts of an outer protection layer, 21 parts of a suspension wire protective layer, 22 parts of ribs, 23 parts of an outer protection layer main body, 24 parts of a first embedded inlet, 25 parts of a first containing cavity, 26 parts of a second embedded inlet, 27 parts of a second containing cavity, 3 parts of an optical communication component protective layer, 4 parts of an optical communication component main body, 5 parts of a reinforcing piece, 6 parts of an electric unit protective layer, 7 parts of an electric unit main body, 8 parts of a signal wire protective layer and 9 parts of a signal wire main body.
Detailed Description
Example 1
Referring to fig. 1 and 2, a self-supporting structure-embedded optical cable includes a suspension wire 1, an outer sheath 2, and four optical communication components, where the optical communication components include two optical communication component bodies 4, two reinforcing members 5 located at two sides of the optical communication component bodies 4, and an optical communication component sheath 3 extruded outside the optical communication component bodies 4 and the reinforcing members 5, and is characterized in that the outer sheath 2 includes an outer sheath body 23, a rib 22 is disposed at the top of the outer sheath body 23, a suspension wire sheath 21 is disposed at the top of the rib 22, the suspension wire 1 is located in the suspension wire sheath 21, two sides of the upper and lower ends of the outer sheath body 23 are respectively provided with a first cavity 25 in a horizontal "8" shape, an opening at the outer side of the first cavity 25 forms a first embedded port 24, the optical communication components are in a "8" shape and are embedded in the first cavity 25 through the first embedded port 24, and two separate ports are formed in the middle of the optical communication components, through a plurality of tests, the optimal range of the width of the first embedding opening 24 is [2/3 times of the short axle distance of the optical communication component and 4/5 times of the short axle distance of the optical communication component ].
The self-supporting structure nested optical cable is characterized in that the optical communication component main body 4 is an optical fiber, and the optical fiber 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 self-supporting structure nested optical cable is characterized in that the material of the reinforcing member 5 is a phosphated steel wire, a stainless steel wire or a glass fiber reinforced plastic rod.
The self-supporting structure nested optical cable is characterized in that the material of the optical communication component protective layer 3 is flame-retardant polyolefin or polyvinyl chloride.
Example 2
Referring to fig. 3 and 2, a self-supporting structure nested cable comprises a suspension wire 1, an outer protective layer 2 and four electrical units, wherein each electrical unit comprises an electrical unit main body 7 and an electrical unit sheath 6 extruded outside the electrical unit main body 7, and is characterized in that the outer protective layer 2 comprises an outer protective layer main body 23, a rib 22 is arranged at the top of the outer protective layer main body 23, a suspension wire sheath 21 is arranged at the top of the rib 22, the suspension wire 1 is positioned in the suspension wire sheath 21, two sides of the upper end and the lower end of the outer protective layer main body 23 are respectively provided with a first horizontal 8-shaped cavity 25, a first embedding opening 24 is formed at the outer side of the first cavity 25, the electrical units are embedded into the inner cavity of the 8-shaped first cavity 25 of the first cavity 25 through the first embedding opening 24, the outer diameter of the electrical units is larger than the distance d between the middle parts of the 8-shaped first cavity 25, in order to prevent the electrical units from being separated from the first, and the electrical unit can be conveniently taken out, and the width of the first embedding opening 24 is in an optimal range of 2/3 times of the radius of the electrical unit and 4/5 times of the radius of the electrical unit after a plurality of tests.
The self-supporting structure nested cable is characterized in that the electric unit main body 7 is a single round copper wire or a copper wire stranded wire.
The self-supporting structure nested cable is characterized in that the electric unit sheath 6 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride.
Example 3
Referring to fig. 4 and 5, a self-supporting structure nested cable comprises a suspension wire 1, an outer protective layer 2 and four electrical units, wherein each electrical unit comprises an electrical unit main body 7 and an electrical unit sheath 6 extruded outside the electrical unit main body 7, the self-supporting structure nested cable is characterized in that the outer protective layer 2 comprises an outer protective layer main body 23, a rib 22 is arranged at the top of the outer protective layer main body 23, a suspension wire sheath 21 is arranged at the top of the rib 22, the suspension wire 1 is positioned in the suspension wire sheath 21, two sides of the upper end and the lower end of the outer protective layer main body 23 are respectively provided with a first horizontal 8-shaped cavity 25, a first embedding opening 24 is formed at the outer side of the first cavity 25, the electrical unit is embedded into the inner cavity of the 8-shaped first cavity 25 of the first cavity 25 through the first embedding opening 24, the outer diameter of the electrical unit is larger than the raised distance d in the middle of the 8-shaped first cavity 25, in order to prevent the electrical unit from, and the electrical unit is convenient to take out, through a plurality of tests, the optimal width range of the first embedding port 24 is [2/3 times of the radius of the electrical unit, 4/5 times of the radius of the electrical unit ], the outer protective layer main body 23 between the upper and lower corresponding first containing cavities 25 further forms a second containing cavity 27, the outer end of the second containing cavity 27 further forms a second embedding port 26, at least one signal wire is arranged in the second containing cavity 27, the signal wire is composed of a signal wire main body 9 and a signal wire protective layer 8 extruded outside the signal wire main body 9, the signal wire enters the second containing cavity 27 through the second embedding port 26, and the opening distance of the second embedding port 26 is smaller than the outer diameter of the signal wire.
The self-supporting structure nested cable is characterized in that the electric unit main body 7 is a single round copper wire or a copper wire stranded wire.
The self-supporting structure nested cable is characterized in that the electric unit sheath 6 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride.
The self-supporting structure nested cable is characterized in that the material of the signal line main body 9 is copper.
The self-supporting structure nested cable is characterized in that the signal wire sheath 8 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride.
In this embodiment, increased the signal line, made the cable can transmit electric energy and signal of telecommunication simultaneously.
The self-supporting structure nested optical cable and the self-supporting structure nested optical cable are characterized in that the suspension wire 1 is a phosphated steel wire or a galvanized steel wire or a phosphated steel wire stranded wire or a galvanized steel wire stranded wire.
The self-supporting structure nested optical cable and the cable in any embodiment are characterized in that the outer sheath 2 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or polyvinyl chloride or flame-retardant polyolefin.
In the invention, four optical communication parts or electric units can be hung in the optical cable or the electric cable at one time, so that manpower and material resources are saved; optical communication components or electrical units or signal wires in the optical cable or the electric cable can be quickly taken out of the outer protective layer 2, so that the construction efficiency is improved, and the construction time is saved; the outer protective layer 2 can be laid independently during construction, and optical communication components or electric units or signal wires can be added according to requirements in the later stage, so that the cost is saved for product demand; the length of the optical communication part or the electrical unit or the signal wire can be customized and can be different from that of the outer protective layer, so that the material is not wasted, and the resource is saved; the outer protective layer 2 is provided with a first embedded opening 24 and a first cavity 25 with double protection of the middle part protrusion, so that the optical communication part or the electric unit is prevented from falling off.
The invention solves the problem that the optical communication part or the electric unit is easy to fall off in the prior art, does not need glue, does not volatilize toxic substances and is very environment-friendly.
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 self-supporting structure nested optical cable is provided with a suspension wire (1), an outer protective layer (2) and four optical communication components, wherein each optical communication component is composed of two optical communication component main bodies (4), two reinforcing parts (5) positioned at two sides of each optical communication component main body (4) and an optical communication component protective layer (3) extruded outside the optical communication component main bodies (4) and the reinforcing parts (5), the self-supporting structure nested optical cable is characterized in that each outer protective layer (2) is composed of an outer protective layer main body (23), a rib (22) is arranged at the top of each outer protective layer main body (23), a suspension wire protective layer (21) is arranged at the top of each rib (22), the suspension wire (1) is positioned in the suspension wire protective layer (21), a horizontal 8-shaped first containing cavity (25) is respectively arranged at two sides of the upper end and the lower end of each outer protective layer main body (23), a first embedding inlet (24) is formed by an opening at the outer side of each first containing cavity (25), and, the optical communication component is embedded into the first containing cavity (25) through the first embedding opening (24), two separating openings are formed in the middle of the optical communication component, a protrusion in the middle of the first containing cavity (25) is embedded into the separating openings, the inner wall of the first containing cavity (25) is tightly attached to the protective layer (3) of the optical communication component, and the width range of the first embedding opening (24) is [2/3 times of the short axle distance of the optical communication component and 4/5 times of the short axle distance of the optical communication component ].
2. A self-supporting nested optical cable according to claim 1, characterized in that the optical communication component body (4) is an optical fiber 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.
3. A self-supporting strucmre-nested optical cable as claimed in claim 1 or claim 2, wherein the strength member (5) material is phosphated steel wire or stainless steel wire or glass fibre reinforced plastic rod.
4. A self-supporting construction nesting optical cable according to claim 3, characterized in that said optical communication part sheath (3) material is flame retardant polyolefin or polyvinyl chloride.
5. A self-supporting structure nested cable is provided with a suspension wire (1), an outer protective layer (2) and four electrical units, wherein each electrical unit is composed of an electrical unit main body (7) and an electrical unit protective layer (6) extruded outside the electrical unit main body (7), the self-supporting structure nested cable is characterized in that the outer protective layer (2) is composed of an outer protective layer main body (23), the top of the outer protective layer main body (23) is provided with a rib (22), the top of the rib (22) is provided with a suspension wire protective layer (21), the suspension wire (1) is positioned in the suspension wire protective layer (21), two sides of the upper end and the lower end of the outer protective layer main body (23) are respectively provided with a horizontal 8-shaped first containing cavity (25), the outer side opening of the first containing cavity (25) forms a first embedding opening (24), the electrical units are embedded into the inner side containing cavity of the 8-shaped first containing cavity (25) of the first containing cavity (25) through the first embedding opening (24), the outer diameter of the electrical units is larger than the distance d in the, the width of the first insertion opening (24) ranges from [2/3 times the radius of the electrical unit, 4/5 times the radius of the electrical unit ].
6. A self-supporting struc-turable nested cable according to claim 5, characterized in that the electrical unit body (7) is a single round copper wire or a strand of copper wires.
7. A self-supporting strucmrally nested cable according to claim 5 or claim 6, wherein the material of the electrical unit sheath (6) is low or medium density polyethylene or high density polyethylene or polyvinyl chloride.
8. The nested cable with the self-supporting structure as claimed in claim 5 or claim 6, wherein the outer sheath main body (23) between the upper and lower corresponding first cavities (25) further forms a second cavity (27), the outer end of the second cavity (27) further forms a second embedding opening (26), at least one signal wire is arranged in the second cavity (27), the signal wire is composed of a signal wire main body (9) and a signal wire sheath (8) extruded outside the signal wire main body (9), the signal wire enters the second cavity (27) through the second embedding opening (26), and the opening distance of the second embedding opening (26) is smaller than the outer diameter of the signal wire.
9. A self-supporting strucmre-nested cable according to claim 8, wherein the signal wire body (9) material is copper.
10. A self-supporting strucmre-nested cable as claimed in claim 9, wherein the signal wire sheath (8) material is low or medium density polyethylene or high density polyethylene or polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791750.0A CN111781693A (en) | 2020-08-08 | 2020-08-08 | Nested optical cable of self-supporting structure and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791750.0A CN111781693A (en) | 2020-08-08 | 2020-08-08 | Nested optical cable of self-supporting structure and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111781693A true CN111781693A (en) | 2020-10-16 |
Family
ID=72761732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010791750.0A Pending CN111781693A (en) | 2020-08-08 | 2020-08-08 | Nested optical cable of self-supporting structure and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111781693A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730667A (en) * | 2015-04-23 | 2015-06-24 | 龚利芬 | Skeleton type optical cable and manufacturing method thereof |
| CN210005758U (en) * | 2019-07-26 | 2020-01-31 | 常熟市谷雷特机械产品设计有限公司 | butterfly-shaped leading-in optical cable |
| CN110780408A (en) * | 2019-12-10 | 2020-02-11 | 宜兴市玉蝶印务有限公司 | Novel structure optical cable or electric cable or photoelectric composite cable |
| CN110989118A (en) * | 2019-12-27 | 2020-04-10 | 四川天邑康和通信股份有限公司 | Self-supporting bundling forming butterfly-shaped optical cable |
| CN111192709A (en) * | 2020-02-18 | 2020-05-22 | 常熟虞通光电科技有限公司 | Nested cable or optical cable |
| CN212276059U (en) * | 2020-08-08 | 2021-01-01 | 常熟梁方智能技术有限公司 | Self-supporting nested optical cable and cable |
-
2020
- 2020-08-08 CN CN202010791750.0A patent/CN111781693A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730667A (en) * | 2015-04-23 | 2015-06-24 | 龚利芬 | Skeleton type optical cable and manufacturing method thereof |
| CN210005758U (en) * | 2019-07-26 | 2020-01-31 | 常熟市谷雷特机械产品设计有限公司 | butterfly-shaped leading-in optical cable |
| CN110780408A (en) * | 2019-12-10 | 2020-02-11 | 宜兴市玉蝶印务有限公司 | Novel structure optical cable or electric cable or photoelectric composite cable |
| CN110989118A (en) * | 2019-12-27 | 2020-04-10 | 四川天邑康和通信股份有限公司 | Self-supporting bundling forming butterfly-shaped optical cable |
| CN111192709A (en) * | 2020-02-18 | 2020-05-22 | 常熟虞通光电科技有限公司 | Nested cable or optical cable |
| CN212276059U (en) * | 2020-08-08 | 2021-01-01 | 常熟梁方智能技术有限公司 | Self-supporting nested optical cable and cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104730667B (en) | Slotted core cable and preparation method | |
| CN211604792U (en) | Hanging type cable and optical cable | |
| CN212570461U (en) | Improved butterfly cable, optical cable and optical cable | |
| CN212411634U (en) | Electric power to house butterfly-shaped introducing optical cable | |
| CN212276059U (en) | Self-supporting nested optical cable and cable | |
| CN210005758U (en) | butterfly-shaped leading-in optical cable | |
| CN210005760U (en) | optical cable with special-shaped loose tube | |
| CN212540812U (en) | Cross leading-in optical cable for 5G | |
| CN111781693A (en) | Nested optical cable of self-supporting structure and cable | |
| CN210166545U (en) | Loose tube and optical cable or electric cable adopting same | |
| CN212515159U (en) | High-fiber-core-density optical cable for power communication | |
| CN111403101A (en) | Hanging type cable and optical cable | |
| CN201965991U (en) | Optical-fiber-post-installed optical fiber composite cable | |
| CN103971840A (en) | Photovoltaic composite cable for power system | |
| CN209895795U (en) | Composite optical cable | |
| CN211265034U (en) | Self-supporting optical cable, cable and optical cable easy to install and peel | |
| CN112233847B (en) | Butterfly-shaped introduced photoelectric composite cable | |
| CN203895171U (en) | Photoelectric composite cable for electric power system | |
| CN112789694B (en) | Hanging type cable with optical fiber tape, hanging type optical fiber tape optical cable and hanging type optical cable | |
| CN111863322A (en) | Photoelectric hybrid cable with novel structure | |
| CN212433469U (en) | Optical cable with special-shaped loose tube | |
| CN111796372A (en) | Layer stranded optical cable for 5G communication | |
| CN211577510U (en) | Combined cable or optical cable for 5G | |
| CN209947520U (en) | Six-type non-shielding network cable | |
| CN212434327U (en) | Cable and photoelectric hybrid cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |