CN111929789A - Layer-stranded optical cable with microstructure - Google Patents
Layer-stranded optical cable with microstructure Download PDFInfo
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- CN111929789A CN111929789A CN202010976539.6A CN202010976539A CN111929789A CN 111929789 A CN111929789 A CN 111929789A CN 202010976539 A CN202010976539 A CN 202010976539A CN 111929789 A CN111929789 A CN 111929789A
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- loose
- layer
- cable core
- outer edge
- tube
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- 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
-
- 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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The invention belongs to the technical field of communication, and relates to a layer-stranded optical cable with a microstructure, which is provided with a cable core, a plurality of optical fibers, a protective layer and an outer sheath; the cable core is characterized in that the cable core is of an integrated structure and comprises a central reinforcing piece, a cushion layer and six loose tubes, wherein the cushion layer is coated outside the central reinforcing piece in an extrusion molding mode, the six loose tubes are distributed on the outer edge of the cushion layer, the central reinforcing piece is located in a central hole in the cushion layer, a tube cavity is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom of the inner edge of each loose tube is combined with the cushion layer into a whole and is combined with a connecting part, the outer circles of all loose tubes are located on the first cylindrical surfaces, gaps are formed between every; the outer edges of all the loose tubes are spliced to form a first cylindrical surface. The invention has the following main beneficial effects: the device has the advantages of easy manufacture, small diameter, less material consumption, lower cost, more round and smooth products and higher inspection and construction efficiency.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a layer stranded optical cable with a microstructure.
Background
Please refer to fig. 1, the layer stranded optical cable in the prior art is composed of a central reinforcement 1, a loose tube 2, a protective layer 4 and an outer sheath 5, an optical fiber 3 is located in the loose tube 2, the loose tube has a circular cross-section structure, each loose tube is tangent to the protective layer and is only tangent to a little, a plurality of loose tubes need to be bound by a binding material to ensure the fixation of the position, the binding is troublesome to withdraw and strand, and the inspection and construction efficiency is low.
Disclosure of Invention
In order to solve the above problems, the present invention discloses a microstructured layer-stranded optical cable, which is implemented by the following technical solutions.
A layer-stranded optical cable with a microstructure comprises a cable core, a plurality of optical fibers positioned in the cable core, a protective layer coated outside the cable core, and an outer sheath positioned outside the protective layer; the cable core is characterized in that the cable core is of an integrated structure and comprises a central reinforcing piece, a cushion layer and a plurality of loose tubes, wherein the cushion layer is coated outside the central reinforcing piece in an extrusion molding mode, the loose tubes are distributed on the outer edge of the cushion layer, the central reinforcing piece is located in a central hole in the cushion layer, a tube cavity is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom of the inner edge of each loose tube is combined with the cushion layer into a whole and is combined with a connecting part, the outer circles of all loose tubes are located on the first cylindrical surfaces, gaps are formed between every; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
A layer-stranded optical cable with a microstructure comprises a cable core, a plurality of optical fibers positioned in the cable core, a protective layer coated outside the cable core, and an outer sheath positioned outside the protective layer; the cable core is characterized by comprising a central reinforcing part and a plurality of loose tubes distributed on the outer edge of the central reinforcing part, wherein a tube cavity is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom surfaces of the loose tubes are positioned at the bottom of the inner edge of each loose tube and are planes, the outer edge of each central reinforcing part is a reinforcing part outer edge arc part and a reinforcing part outer edge plane part which are distributed at intervals, the bottom surfaces of the loose tubes and the reinforcing part outer edge plane parts are bonded to a connecting part, the excircles of all loose tubes are positioned on the first cylindrical surfaces, gaps are formed between every two adjacent loose tubes, and at least one optical; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
The above-mentioned layer stranded optical cable with a microstructure is characterized in that the material of the central reinforcing member is polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE, TPU, glass fiber reinforced plastic, steel, aluminum, copper, iron or alloy.
The layer stranded optical cable with the microstructure is characterized in that the loose tube is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The microstructured layer-stranded optical cable is characterized in that the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c, A1d, OM1, OM2, OM3 or OM 4.
The layer stranded optical cable with the microstructure is characterized in that the protective layer is a steel belt, an aluminum belt, a copper belt, a glass fiber reinforced plastic belt, a water blocking belt, a polyester belt or a binding yarn.
The layer stranded optical cable with the microstructure is characterized in that the outer sheath is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The layer stranded optical cable with the microstructure is characterized in that the cushion layer is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The invention has the following main beneficial effects: the device has the advantages of easy manufacture, small diameter, less material consumption, lower cost, more round and smooth products and higher inspection and construction efficiency.
Drawings
Fig. 1 is a schematic cross-sectional view of a prior art layer-stranded optical cable.
Fig. 2 is a schematic perspective view of a section of anatomy according to example 1 of the present application.
Fig. 3 is an enlarged cross-sectional view of fig. 2.
Fig. 4 is a schematic perspective view of the cable core used in fig. 2 after a section of the cable core is removed from the optical fibers.
Fig. 5 is an enlarged cross-sectional view of fig. 4.
Fig. 6 is a schematic cross-sectional structure of the loose tube and the central reinforcing member used in embodiment example 2.
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 reinforcement, 2-loose tube, 3-optical fiber, 4-protective layer, 5-outer sheath, 10-central hole, 11-cushion layer, 12-reinforcement outer edge arc part, 13-reinforcement outer edge plane part, 20-sleeve cavity, 21-gap, 22-connecting part, 221-loose tube bottom surface.
Detailed Description
Examples 1
Referring to fig. 2 to 5, a layer stranded optical cable with a microstructure comprises a cable core, a plurality of optical fibers 3 positioned in the cable core, a protective layer 4 coated outside the cable core, and an outer sheath 5 positioned outside the protective layer; the cable core is characterized in that the cable core is of an integrated structure and comprises a central reinforcing piece 1, a cushion layer 11 coated outside the central reinforcing piece in an extrusion molding mode, and six loose tubes 2 distributed on the outer edge of the cushion layer, wherein the central reinforcing piece is positioned in a central hole 10 in the cushion layer, a tube cavity 20 is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom of the inner edge of each loose tube is combined with the cushion layer into a whole and is combined with a connecting part 22, the outer circles of all loose tubes are positioned on the first cylindrical surfaces, gaps 21 are formed between every two adjacent loose tubes, and two optical fibers are arranged; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
EXAMPLES example 2
Referring to fig. 6 and fig. 2 to 5, a micro-structured layer stranded optical cable includes a cable core, a plurality of optical fibers 3 disposed in the cable core, a protective layer 4 covering the cable core, and an outer sheath 5 disposed outside the protective layer; the cable core is characterized in that the cable core is composed of a central reinforcing part 1 and six loose tubes 2 distributed on the outer edge of the central reinforcing part, a tube cavity 20 is arranged in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom surface 221 of each loose tube is positioned at the bottom of the inner edge of each loose tube and is a plane, the outer edge of each central reinforcing part is provided with a reinforcing part outer edge arc part 12 and a reinforcing part outer edge plane part 13 which are distributed at intervals, the bottom surface 221 of each loose tube and the reinforcing part outer edge plane part 13 are bonded to a connecting part 22, the excircles of all loose tubes are positioned on the first cylindrical surfaces, a gap 21 is formed between every two adjacent loose tubes; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
The microstructured layer-stranded optical cable according to any of the above embodiments, wherein the number of the loose tubes is 2 or more.
A microstructured layer-twisted optical cable according to any of the above embodiments, wherein each of the ferrule cavities has at least one optical fiber therein.
A microstructured layer-twisted optical cable according to any of the previous embodiments, wherein the material of the central strength member is polypropylene or polybutylene terephthalate or low density polyethylene or medium density polyethylene or high density polyethylene or low smoke halogen-free polyethylene or low smoke low halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU or glass fiber reinforced plastic or steel or aluminum or copper or iron or alloy.
A microstructured layer-twisted optical cable according to any of the previous embodiments, wherein the material of the loose tube is polypropylene or polybutylene terephthalate or low density polyethylene or medium density polyethylene or high density polyethylene or low smoke zero halogen polyethylene or low smoke low halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.
A microstructured layer-twisted optical cable according to any of the preceding embodiments, wherein the type of the optical fiber is g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b, A1c, A1d, OM1, OM2, OM3, or OM 4.
A microstructured layer-twisted optical cable according to any of the previous embodiments, wherein the protective layer is a steel or aluminum or copper or glass fiber reinforced plastic or water-blocking or polyester or a binder.
The microstructured layer-stranded optical cable according to any of the above embodiments, wherein the outer sheath is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE, or TPU.
A microstructured layer-twisted optical cable according to any of the previous embodiments, wherein the material of the bedding layer is polypropylene or polybutylene terephthalate or low density polyethylene or medium density polyethylene or high density polyethylene or low smoke zero halogen polyethylene or low smoke low halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.
The layer-stranded optical cable with the microstructure according to any embodiment example is characterized in that the protective layer does not exist, and the outer sheath is directly coated on the cable core.
The microstructured layer-stranded optical cable according to any of the above embodiments, wherein neither the protective layer nor the outer jacket is present.
In the application, the cable core in the embodiment 1 is of an integrally formed structure, so that the cable core is easy to manufacture, the diameter of the cable core is remarkably reduced, the diameters of the protective layer and the outer sheath are also reduced, the corresponding material consumption is less, the cost is lower, and the product is round and smooth; the gap can enable the adjacent sleeves to be separated or slightly twisted and then taken down for cutting, or the sleeves can be cut without being taken down; the integral cable core is formed in one step, so that the manufacturing process and cost are saved, and the trouble of storing the sleeve is reduced.
In this application, the cable core in implementation example 2 bonds the shaping, has bigger flexibility, can paste the loose tube as required in the production, produces the limit and beats to glue and the limit is dried, is convenient for take off the loose tube during inspection and construction, and glue can be beaten discontinuously, need not be continuous.
In this application, the loose tube can be filled with water-blocking materials such as water-blocking yarn, water-blocking ointment, water-blocking powder, etc.
In this application, the clearance can be filled with the water-blocking material such as yarn, the oleamen that blocks water, the powder that blocks water.
In the application, when the protective layer is arranged, the outer edge of the loose tube and the protective layer are tangent to the curved surface, and the surface contact increases the stability; and the position of the sleeve can be fixed without tying yarns, a protective layer and an outer sheath, so that the diameter is smaller, the cost is lower and the stability is higher.
In the present application, the cross-section of the loose tube is not circular, nor elliptical, but resembles a boat or olive or oblate cylinder shape, so that the space is compressed but the size of the tube lumen is larger or maintained, to achieve a reduction in the outer diameter and a reduction in cost.
In the present application, the cannula lumen is not limited to the shape shown in the drawings, but may be rectangular in cross-section, or other shaped cross-sections.
In the present application, the inner edge of the loose tube is not limited to a portion of the surface of the second cylinder and may be other shapes that are easily formed.
In the present application, as in the prior art, the diameter of the cylindrical loose tube and the cylindrical cavity after coloring the optical fibers is about 255 μm, and is measured as 0.26mm, in the structure of 2 optical fibers/loose tube, the minimum diameter of the cavity =0.26 × 2 (root)/0.75 (minimum safety factor) =0.693mm, and is measured as 0.7mm, whereas in the present application, the minimum diameter of the cavity =0.26/0.75=0.35 mm; along the two sides of the diameter, the diameter can be reduced by 0.7mm, the diameter is measured by 0.4mm according to the wall thickness of the loose tube, the single side of the protective layer is measured by 0.3mm, the single side of the outer sheath is measured by 2mm single side thickness, the diameter of the loose tube in the prior art is 1.5mm, the diameter of the central reinforcing part is 1.5mm, the diameter of the protective layer is 5.1mm, and the diameter of the outer sheath is 9.1mm, in the application, the size of the loose tube in the width direction is 1.15mm, the diameter of the central reinforcing part is 1.5mm, the diameter can be actually smaller, the diameter of the protective layer is 4.4mm, and the diameter of the outer sheath is; the outer sheath adopts high-density polyethylene as an example, the outer sheath can be reduced from 45.44kg/km to 40.96kg/km, namely 4.48kg of outer sheath material can be saved per kilometer, and the RMB is about 53.76 yuan; actual protective layers and the like can be saved; for a small and medium-sized optical cable enterprise, various optical cables are produced in one year, wherein the annual production of the optical cables with the structure exceeds 50 ten thousand kilometers, and about 2500 ten thousand yuan can be saved by only doing the project; thus greatly saving the cost. In fact, other core numbers, other configurations, and more material savings.
The invention has the following main beneficial effects: the device has the advantages of easy manufacture, small diameter, less material consumption, lower cost, more round and smooth products and higher inspection and construction efficiency.
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 layer-stranded optical cable with a microstructure comprises a cable core, a plurality of optical fibers positioned in the cable core, a protective layer coated outside the cable core, and an outer sheath positioned outside the protective layer; the cable core is characterized in that the cable core is of an integrated structure and comprises a central reinforcing piece, a cushion layer and a plurality of loose tubes, wherein the cushion layer is coated outside the central reinforcing piece in an extrusion molding mode, the loose tubes are distributed on the outer edge of the cushion layer, the central reinforcing piece is located in a central hole in the cushion layer, a tube cavity is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom of the inner edge of each loose tube is combined with the cushion layer into a whole and is combined with a connecting part, the outer circles of all loose tubes are located on the first cylindrical surfaces, gaps are formed between every; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
2. A layer-stranded optical cable with a microstructure comprises a cable core, a plurality of optical fibers positioned in the cable core, a protective layer coated outside the cable core, and an outer sheath positioned outside the protective layer; the cable core is characterized by comprising a central reinforcing part and a plurality of loose tubes distributed on the outer edge of the central reinforcing part, wherein a tube cavity is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom surfaces of the loose tubes are positioned at the bottom of the inner edge of each loose tube and are planes, the outer edge of each central reinforcing part is a reinforcing part outer edge arc part and a reinforcing part outer edge plane part which are distributed at intervals, the bottom surfaces of the loose tubes and the reinforcing part outer edge plane parts are bonded to a connecting part, the excircles of all loose tubes are positioned on the first cylindrical surfaces, gaps are formed between every two adjacent loose tubes, and at least one optical; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
3. A layer-stranded optical cable with a microstructure comprises a cable core and a plurality of optical fibers positioned in the cable core; the cable core is characterized in that the cable core is of an integrated structure and comprises a central reinforcing piece, a cushion layer and a plurality of loose tubes, wherein the cushion layer is coated outside the central reinforcing piece in an extrusion molding mode, the loose tubes are distributed on the outer edge of the cushion layer, the central reinforcing piece is located in a central hole in the cushion layer, a tube cavity is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom of the inner edge of each loose tube is combined with the cushion layer into a whole and is combined with a connecting part, the outer circles of all loose tubes are located on the first cylindrical surfaces, gaps are formed between every; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
4. A layer-stranded optical cable with a microstructure comprises a cable core and a plurality of optical fibers positioned in the cable core; the cable core is characterized by comprising a central reinforcing part and a plurality of loose tubes distributed on the outer edge of the central reinforcing part, wherein a tube cavity is formed in each loose tube, the outer edge of each loose tube is a part of a first cylindrical surface, the inner edge of each loose tube is a part of a second cylindrical surface, the bottom surfaces of the loose tubes are positioned at the bottom of the inner edge of each loose tube and are planes, the outer edge of each central reinforcing part is a reinforcing part outer edge arc part and a reinforcing part outer edge plane part which are distributed at intervals, the bottom surfaces of the loose tubes and the reinforcing part outer edge plane parts are bonded to a connecting part, the excircles of all loose tubes are positioned on the first cylindrical surfaces, gaps are formed between every two adjacent loose tubes, and at least one optical; the outer edges of all the loose tubes are spliced to form a first cylindrical surface.
5. A microstructured layer-twisted optical cable according to claim 1, 2, 3 or 4, characterized in that the material of the central strength member is polypropylene or polybutylene terephthalate or low density polyethylene or medium density polyethylene or high density polyethylene or low smoke zero halogen polyethylene or low smoke low halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU or glass fiber reinforced plastic or steel or aluminum or copper or iron or alloy.
6. A microstructured layer-twisted optical cable according to claim 5, characterized in that the material of said loose tube is polypropylene or polybutylene terephthalate or low density polyethylene or medium density polyethylene or high density polyethylene or low smoke halogen-free polyethylene or low smoke low halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.
7. A microstructured stranded cable according to claim 6, wherein said optical fibers have the type G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or OM1 or OM2 or OM3 or OM 4.
8. A microstructured layer-twisted optical cable according to claim 7, wherein the material of the bedding layer is polypropylene or polybutylene terephthalate or low density polyethylene or medium density polyethylene or high density polyethylene or low smoke halogen-free polyethylene or low smoke low halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.
9. A microstructured layer-twisted optical cable according to claim 8, wherein the loose tube is filled with a water-blocking substance.
10. A microstructured layer-twisted optical cable according to claim 9, wherein the water-blocking substance is a water-blocking yarn or a water-blocking ointment or a water-blocking powder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976539.6A CN111929789A (en) | 2020-09-17 | 2020-09-17 | Layer-stranded optical cable with microstructure |
| PCT/CN2020/134144 WO2022057101A1 (en) | 2020-09-17 | 2020-12-06 | Microstructure layer-stranded optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976539.6A CN111929789A (en) | 2020-09-17 | 2020-09-17 | Layer-stranded optical cable with microstructure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111929789A true CN111929789A (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010976539.6A Withdrawn CN111929789A (en) | 2020-09-17 | 2020-09-17 | Layer-stranded optical cable with microstructure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111929789A (en) |
| WO (1) | WO2022057101A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671651A (en) * | 2021-09-06 | 2021-11-19 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical cable for communication |
| WO2022057101A1 (en) * | 2020-09-17 | 2022-03-24 | 苏州专创光电科技有限公司 | Microstructure layer-stranded optical cable |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115755311B (en) * | 2023-01-10 | 2023-05-02 | 江苏亨通光电股份有限公司 | Composite layer stranded optical cable |
| CN117238575B (en) * | 2023-11-10 | 2024-01-26 | 江苏永鼎股份有限公司 | Photoelectric hybrid optical cable with double-unit structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100872229B1 (en) * | 2006-12-06 | 2008-12-05 | 엘에스전선 주식회사 | Loose tube type optical cable improved in central member structure |
| CN203981933U (en) * | 2014-06-26 | 2014-12-03 | 尹红 | A kind of optical cable that improves structure |
| CN208833968U (en) * | 2018-09-11 | 2019-05-07 | 宏安集团有限公司 | A kind of dry type sector tube layer strand optical cable |
| CN211627903U (en) * | 2020-04-26 | 2020-10-02 | 常熟虞通光电科技有限公司 | High-fiber-core-density optical cable with higher space utilization rate |
| CN111667950A (en) * | 2020-07-20 | 2020-09-15 | 常熟虞星光电科技有限公司 | Optical cable and high density optical cable of layering distribution |
| CN212905629U (en) * | 2020-09-17 | 2021-04-06 | 普天线缆集团(上海)楼宇智能有限公司 | Layer-stranded optical cable with microstructure |
| CN111929789A (en) * | 2020-09-17 | 2020-11-13 | 苏州专创光电科技有限公司 | Layer-stranded optical cable with microstructure |
-
2020
- 2020-09-17 CN CN202010976539.6A patent/CN111929789A/en not_active Withdrawn
- 2020-12-06 WO PCT/CN2020/134144 patent/WO2022057101A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022057101A1 (en) * | 2020-09-17 | 2022-03-24 | 苏州专创光电科技有限公司 | Microstructure layer-stranded optical cable |
| CN113671651A (en) * | 2021-09-06 | 2021-11-19 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical cable for communication |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022057101A1 (en) | 2022-03-24 |
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Application publication date: 20201113 |