CN111897069A - Special-shaped compression-resistant optical cable - Google Patents
Special-shaped compression-resistant optical cable Download PDFInfo
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- CN111897069A CN111897069A CN202010852289.5A CN202010852289A CN111897069A CN 111897069 A CN111897069 A CN 111897069A CN 202010852289 A CN202010852289 A CN 202010852289A CN 111897069 A CN111897069 A CN 111897069A
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- 238000007906 compression Methods 0.000 title claims abstract description 87
- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 9
- 239000003063 flame retardant 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 6
- 239000004020 conductor Substances 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 229920001179 medium density polyethylene Polymers 0.000 claims description 6
- 239000004701 medium-density polyethylene Substances 0.000 claims description 6
- -1 polybutylene terephthalate Polymers 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 9
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- 230000035939 shock Effects 0.000 abstract description 4
- 206010034133 Pathogen resistance Diseases 0.000 description 3
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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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4417—High voltage aspects, e.g. in cladding
- G02B6/442—Insulators
-
- 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
- G02B6/4436—Heat resistant
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to a special-shaped compression-resistant optical cable which comprises an outer protective layer, a belting layer, a plurality of loose tubes and a framework, wherein the belting layer is positioned outside the framework, the outer protective layer is positioned on the belting layer, the framework is characterized in that the framework is composed of a framework main body, a plurality of loose tube accommodating cavities are arranged on the framework main body, a pair of arc-shaped compression-resistant components are arranged at two ends of an opening of each loose tube accommodating cavity, a groove is formed in each compression-resistant component, each loose tube is composed of a loose tube main body, a rib and a hanging part, the rib is positioned above the loose tube main body, the hanging part is positioned above the rib, two sides of the hanging part and the rib form two arc-shaped hanging grooves, an optical communication unit accommodating cavity is formed in the loose tube main body, at least one optical communication unit is arranged in the optical communication, the hanging part is hung on the compression-resistant part; the invention has the advantages of simple structure, compression resistance, shock resistance, torsion resistance, independent wiring of the loose tube and the like.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a special-shaped compression-resistant optical cable.
Background
Along with the popularization on a large scale of internal 5G construction, the demand of optical cable is bigger and bigger, like CN207817264U a novel optical cable of high strength resistance to compression among the prior art, cross resistance to compression frame comprises horizontal resistance to compression board and vertical resistance to compression board, the cross resistance to compression frame outside is equipped with the resistance to compression guard circle, form four installation cavities between cross resistance to compression frame and the resistance to compression guard circle, the installation cavity inner chamber is equipped with the cable core, the cable core comprises optical fiber and fiber bundle pipe, the cable core is equipped with the filler all around, be equipped with evenly distributed's cushion on the wall of the resistance to compression guard circle outside, the cushion outside is equipped with the inner sheath layer, the inner sheath layer outside is equipped with fire prevention fire-retardant layer.
The above prior art has the following disadvantages: 1. the lateral pressure resistance between the transverse pressure resistance plate and the longitudinal pressure resistance plate of the cross pressure resistance frame is weak; 2. the structure is more complicated, is unfavorable for production.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a special-shaped compression-resistant optical cable which is realized by adopting the following technical scheme.
A special-shaped compression-resistant optical cable comprises an outer protective layer, a wrapping layer, a plurality of loose tubes and a framework, wherein the wrapping layer is positioned outside the framework, the outer protective layer is positioned outside the wrapping layer, the framework is composed of a framework main body, a plurality of loose tube containing cavities are arranged on the framework main body, a pair of arc-shaped compression-resistant components are arranged at two ends of an opening of each loose tube containing cavity, a groove is formed in each compression-resistant component, each loose tube is composed of a loose tube main body, ribs and a hanging component, the ribs are positioned above the loose tube main body, the hanging component is positioned above the ribs, two arc-shaped hanging grooves are formed by two sides of the hanging component and the ribs, an optical communication unit containing cavity is formed in the loose tube main body, at least one optical communication unit is arranged in the optical communication unit containing cavity, the loose tube main body is positioned in the loose tube containing cavity, the hanging component is hung on the compression-resistant component, and, the rib is located the opening part that loose tube held the chamber, and the width that leans on the part is greater than the open-ended width that loose tube held the chamber, and the width that loose tube main part is greater than the open-ended width that loose tube held the chamber, and loose tube main part does not hold the chamber lateral wall with loose tube and contact, the resistance to compression part has elasticity.
The special-shaped compression-resistant optical cable is characterized in that an electric unit is further arranged between two non-paired compression-resistant components, and the outer diameter of the electric unit is smaller than the height of the compression-resistant components.
The special-shaped pressure-resistant optical cable is characterized in that the electric unit consists of an electric conductor and an insulating layer extruded outside the electric conductor.
The special-shaped compression-resistant optical cable is characterized in that the insulating layer is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
According to the special-shaped compression-resistant optical cable, the electric unit is added between two adjacent non-paired compression-resistant components, so that the optical cable has the capability of transmitting electric energy, and the gap between the belting layer and the framework is filled, so that the optical cable is more round.
The special-shaped compression-resistant optical cable is characterized in that a cushion is further arranged between two adjacent non-pair compression-resistant components, the cushion is composed of two cushion main bodies and connecting pieces for connecting the two cushion main bodies, the cushion main bodies are located in the grooves, the connecting pieces are arc-shaped, and the cushion main bodies have elasticity.
According to the special-shaped compression-resistant optical cable, the soft cushion can prevent the compression-resistant component from yielding or breaking due to the fact that the external pressure exceeds the elastic limit, and the compression resistance of the optical cable is enhanced.
The special-shaped compression-resistant optical cable is characterized in that the material of the wrapping tape is a steel tape or an aluminum tape or a water-blocking tape or a non-woven fabric tape.
The special-shaped compression-resistant optical cable is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The special-shaped compression-resistant optical cable is characterized in that the main body material of the loose tube is polybutylene terephthalate or modified polypropylene.
The special-shaped compression-resistant optical cable is characterized in that the optical communication unit is an optical fiber or an optical fiber ribbon formed by combining at least two optical fibers or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons.
The special-shaped pressure-resistant optical cable is characterized in that the optical fiber type 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.
According to the invention, through the elasticity of the independent compression-resistant component, the compression-resistant component is matched with the hanging component of each loose tube, when the optical cable is extruded, the compression-resistant component moves inwards, and the loose tube main body moves in the accommodating cavity of the optical communication unit, so that the loose tube main body is not extruded, and meanwhile, the pressure does not influence the loose tubes; when receiving vibration, the loose tube main body can not collide with the side wall of the optical communication unit cavity, so that the optical cable has a good vibration-resistant effect; when the optical cable receives torsion, the movement of the pressure-resistant part can play a role in resisting torsion; meanwhile, the elasticity of the compression-resistant component can enable the optical cable to have the shock resistance; the loose tube of the present invention can also be used as a self-supporting center tube cable for individual cabling.
Therefore, the invention has the advantages of simple structure, compression resistance, shock resistance, torsion resistance, independent wiring of the loose tube and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a front view of embodiment 1 of the present invention.
FIG. 3 is a schematic diagram of the framework structure of the present invention.
Fig. 4 is a schematic structural view of the loose tube of the present invention.
Fig. 5 is a schematic perspective view of embodiment 2 of the present invention.
Fig. 6 is a front view of embodiment 2 of the present invention.
Fig. 7 is a schematic perspective view of embodiment 3 of the present invention.
Fig. 8 is a front view of embodiment 3 of the present invention.
Fig. 9 is a schematic perspective view of the cushion 7 according to embodiment 3 of the present invention.
In the figure: 1. the outer protective layer, 2, the belting layer, 3, the loose tube, 31, the hanging part, 32, the hanging groove, 33, the rib, 34, the loose tube main body, 35, the optical communication unit cavity, 4, the optical communication unit, 5, the framework, 51, the framework main body, 52, the loose tube cavity, 53, the compression-resistant part, 54, the groove, 6, the electric unit, 7, the cushion, 71, the cushion main body and 72, the connecting piece.
Detailed Description
Example 1
Referring to fig. 1, 2, 3 and 4, a special-shaped compression-resistant optical cable comprises an outer protective layer 1, a belting layer 2, a plurality of loose tubes 3 and a framework 5, wherein the belting layer 2 is located outside the framework 5, and the outer protective layer 1 is located outside the belting layer 2, and is characterized in that the framework 5 is formed by a framework main body 51, the framework main body 51 is provided with a plurality of loose tube cavities 52, two ends of an opening of each loose tube cavity 52 are provided with a pair of arc-shaped compression-resistant components 53, a groove 54 is formed inside each compression-resistant component 53, the loose tube 3 is formed by a loose tube main body 34, a rib 33 and a hanging component 31, the rib 33 is located above the loose tube main body 34, the hanging component 31 is located above the rib 33, two arc-shaped hanging grooves 32 are formed by two sides of the hanging component 31 and the rib 33, an optical communication unit cavity 35 is formed inside the loose tube main body 34, at least one optical communication unit 4 is, the loose tube main body 34 is located in the loose tube containing cavity 52, the hanging part 31 is hung on the compression resisting part 53, the inner wall of the hanging groove 32 is attached to the outer wall of the compression resisting part 53, the rib 33 is located at the opening of the loose tube containing cavity 52, the width of the hanging part 31 is larger than that of the opening of the loose tube containing cavity 52, the width of the loose tube main body 34 is larger than that of the opening of the loose tube containing cavity 52, the loose tube main body 34 is not in contact with the side wall of the loose tube containing cavity 52, and the compression resisting part 53 has elasticity.
Example 2
Referring to fig. 3, 4, 5 and 6, a special-shaped compression-resistant optical cable comprises an outer protective layer 1, a belting layer 2, a plurality of loose tubes 3 and a framework 5, wherein the belting layer 2 is located outside the framework 5, and the outer protective layer 1 is located outside the belting layer 2, and is characterized in that the framework 5 is formed by a framework main body 51, the framework main body 51 is provided with a plurality of loose tube cavities 52, two ends of an opening of each loose tube cavity 52 are provided with a pair of arc-shaped compression-resistant components 53, a groove 54 is formed inside each compression-resistant component 53, the loose tube 3 is formed by a loose tube main body 34, a rib 33 and a hanging component 31, the rib 33 is located above the loose tube main body 34, the hanging component 31 is located above the rib 33, two arc-shaped hanging grooves 32 are formed by two sides of the hanging component 31 and the rib 33, an optical communication unit cavity 35 is formed inside the loose tube main body 34, at least one optical communication unit 4 is, the loose tube main body 34 is located in the loose tube containing cavity 52, the hanging part 31 is hung on the compression-resistant part 53, the inner wall of the hanging groove 32 is attached to the outer wall of the compression-resistant part 53, the rib 33 is located at the opening of the loose tube containing cavity 52, the width of the hanging part 31 is larger than that of the opening of the loose tube containing cavity 52, the width of the loose tube main body 34 is larger than that of the opening of the loose tube containing cavity 52, the loose tube main body 34 is not in contact with the side wall of the loose tube containing cavity 52, and the compression-resistant part 53 has elasticity; an electric unit 6 is also arranged between two adjacent non-pair of pressure-resistant parts 53, the electric unit 6 is composed of an electric conductor and an insulating layer extruded outside the electric conductor, and the outer diameter of the electric unit 6 is smaller than the height of the pressure-resistant parts 53.
The special-shaped compression-resistant optical cable is characterized in that the insulating layer is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
In this embodiment, the electrical unit 6 is added between two non-paired adjacent compression-resistant components 53, so that the optical cable has the capability of transmitting electric energy, and the gap between the belting layer 2 and the framework 5 is filled, so that the optical cable is more round.
Example 3
Referring to fig. 3, 4, 7 and 8, a special-shaped compression-resistant optical cable comprises an outer protective layer 1, a belting layer 2, a plurality of loose tubes 3 and a framework 5, wherein the belting layer 2 is located outside the framework 5, and the outer protective layer 1 is located outside the belting layer 2, and is characterized in that the framework 5 is formed by a framework main body 51, the framework main body 51 is provided with a plurality of loose tube cavities 52, two ends of an opening of each loose tube cavity 52 are provided with a pair of arc-shaped compression-resistant components 53, a groove 54 is formed inside each compression-resistant component 53, the loose tube 3 is formed by a loose tube main body 34, a rib 33 and a hanging component 31, the rib 33 is located above the loose tube main body 34, the hanging component 31 is located above the rib 33, two arc-shaped hanging grooves 32 are formed by two sides of the hanging component 31 and the rib 33, an optical communication unit cavity 35 is formed inside the loose tube main body 34, at least one optical communication unit 4 is, the loose tube main body 34 is located in the loose tube containing cavity 52, the hanging part 31 is hung on the compression-resistant part 53, the inner wall of the hanging groove 32 is attached to the outer wall of the compression-resistant part 53, the rib 33 is located at the opening of the loose tube containing cavity 52, the width of the hanging part 31 is larger than that of the opening of the loose tube containing cavity 52, the width of the loose tube main body 34 is larger than that of the opening of the loose tube containing cavity 52, the loose tube main body 34 is not in contact with the side wall of the loose tube containing cavity 52, and the compression-resistant part 53 has elasticity; a cushion 7 is further arranged between two non-adjacent pairs of the compression-resistant parts 53, the cushion 7 is composed of two cushion bodies 71 and a connecting piece 72 for connecting the two cushion bodies 71, the cushion bodies 71 are positioned in the grooves 54, the connecting piece 72 is arc-shaped, and the cushion bodies 71 have elasticity.
In the above embodiment, the cushion 7 can prevent the pressure-resistant member 53 from yielding or breaking due to an excessive external pressure exceeding the elastic limit, thereby enhancing the pressure-resistant performance of the optical cable.
The special-shaped compression-resistant optical cable in any embodiment is characterized in that the material of the wrapping layer 2 is a steel belt or an aluminum belt or a water-blocking belt or a non-woven fabric belt.
The special-shaped compression-resistant optical cable in any embodiment is characterized in that the outer protective layer 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The special-shaped compression-resistant optical cable according to any embodiment is characterized in that the material of the loose tube main body 34 is polybutylene terephthalate or modified polypropylene.
The special-shaped pressure-resistant optical cable according to any embodiment is characterized in that the optical communication unit 4 is an optical fiber or an optical fiber ribbon formed by combining at least two optical fibers, or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons, and the optical fiber type 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.
In the invention, through the elasticity of the independent compression-resistant part 53, the compression-resistant part 53 is matched with the hanging part 31 of each loose tube, when the optical cable is extruded, the compression-resistant part 53 moves inwards, the loose tube main body 34 moves in the accommodating cavity 35 of the optical communication unit, so that the loose tube main body 34 is not extruded, and meanwhile, the pressure does not influence the loose tubes 2; when receiving vibration, the loose tube main body 34 can not collide with the side wall of the optical communication unit accommodating cavity 35, so that the optical cable has a good vibration-resistant effect; when the optical cable receives torsion, the movement of the pressure-resistant part 53 can play a role in resisting torsion; meanwhile, the elasticity of the compression-resistant part 53 can enable the optical cable to have the shock resistance; the loose tube 3 of the present invention can also be used as a self-supporting central tube cable for individual cabling.
The invention solves the problems that the lateral pressure resistance between the transverse pressure resistance plate and the longitudinal pressure resistance plate of the cross pressure resistance frame is weak, the structure is complex and the production is not facilitated 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 compression-resistant optical cable comprises an outer protective layer (1), a wrapping layer (2), a plurality of loose tubes (3) and a framework (5), wherein the wrapping layer (2) is positioned outside the framework (5), the outer protective layer (1) is positioned outside the wrapping layer (2), the special-shaped compression-resistant optical cable is characterized in that the framework (5) is composed of a framework main body (51), a plurality of loose tube accommodating cavities (52) are arranged on the framework main body (51), a pair of arc-shaped compression-resistant components (53) are arranged at two ends of an opening of each loose tube accommodating cavity (52), a groove (54) is formed inside each compression-resistant component (53), each loose tube (3) is composed of a loose tube main body (34), a rib (33) and a hanging component (31), the rib (33) is positioned above the loose tube main body (34), the hanging component (31) is positioned above the rib (33), two arc-shaped hanging grooves (32) are formed between two sides of the hanging component (31) and, the optical communication unit that the inside of pine sleeve pipe main part (34) forms one and holds chamber (35), optical communication unit holds and is equipped with an optical communication unit (4) at least in the chamber (35), pine sleeve pipe main part (34) are located pine sleeve pipe and hold chamber (52), and it hangs on compression-resistant part (53) to hang to lean on part (31), hangs the outer wall of laminating compression-resistant part (53) in groove (32), and muscle (33) are located the opening part that the pine sleeve pipe held chamber (52), and the width that hangs and lean on part (31) is greater than the open-ended width that the pine sleeve pipe held chamber (52), and the width of pine sleeve pipe main part (34) is greater than the open-ended width that the pine sleeve pipe held chamber (52), and pine sleeve pipe main part (34) do not hold chamber (52) lateral wall contact with the pine sleeve pipe, compression-resistant part.
2. A profiled compression-resistant optical cable as claimed in claim 1, wherein a cushion (7) is further provided between two non-adjacent pairs of compression-resistant members (53), the cushion (7) is formed by two cushion bodies (71) and a connecting member (72) connecting the two cushion bodies (71), the cushion bodies (71) are located in the grooves (54), the connecting member (72) is arc-shaped, and the cushion bodies (71) have elasticity.
3. A profiled compression resistant optical cable as claimed in claim 2, characterized in that the material of the wrapping layer (2) is steel or aluminum tape or water-blocking tape or non-woven tape.
4. A profiled compression resistant optical cable as claimed in claim 3, characterized in that the material of the outer sheath (1) is low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
5. A profiled compression resistant optical cable as claimed in claim 4, characterized in that the material of the loose tube body (34) is polybutylene terephthalate or modified polypropylene.
6. A profiled compression-resistant optical cable as claimed in claim 5, characterized in that the optical communication unit (4) is an optical fiber or an optical fiber ribbon formed by combining at least two optical fibers or an optical fiber ribbon body formed by stacking at least two optical fiber ribbons.
7. A profiled compression resistant optical cable as claimed in claim 6, wherein the optical fibre type 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.
8. A profiled crush-resistant optical cable as claimed in claim 7, wherein an electrical unit (6) is provided between two non-adjacent pairs of crush-resistant members (53), the outer diameter of the electrical unit (6) being less than the height of the crush-resistant members (53).
9. A profiled crush-resistant optical cable as claimed in claim 8, wherein the electrical unit (6) is formed of an electrical conductor and an insulating layer extruded over the conductor.
10. A profiled compression resistant optical cable as claimed in claim 9, wherein the insulating layer material is low or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010852289.5A CN111897069B (en) | 2020-08-22 | 2020-08-22 | Special-shaped compression-resistant optical cable |
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| CN202010852289.5A CN111897069B (en) | 2020-08-22 | 2020-08-22 | Special-shaped compression-resistant optical cable |
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| CN111897069A true CN111897069A (en) | 2020-11-06 |
| CN111897069B CN111897069B (en) | 2024-05-28 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281865A (en) * | 2021-06-03 | 2021-08-20 | 富通集团（嘉善）通信技术有限公司 | Pressure-resistant and vibration-resistant optical cable |
| CN113359257A (en) * | 2021-06-29 | 2021-09-07 | 杭州富通通信技术股份有限公司 | Pressure-resistant optical cable |
| CN113671645A (en) * | 2021-08-03 | 2021-11-19 | 富通集团（嘉善）通信技术有限公司 | Combined skeleton optical cable |
| CN113985542A (en) * | 2021-09-27 | 2022-01-28 | 杭州富通通信技术股份有限公司 | Long-distance aerial optical cable |
| CN114063236A (en) * | 2022-01-12 | 2022-02-18 | 长飞光纤光缆股份有限公司 | Compression-resistant framework type optical cable and preparation method thereof |
| CN114185140A (en) * | 2022-02-15 | 2022-03-15 | 长飞光纤光缆股份有限公司 | Small-bending-radius framework groove type optical cable and preparation method thereof |
| CN114384656A (en) * | 2022-03-01 | 2022-04-22 | 长飞光电线缆(苏州)有限公司 | Optical fiber ribbon optical cable with elastic wrapping outer protective layer |
| CN115097586A (en) * | 2022-07-29 | 2022-09-23 | 深圳新澳科电缆有限公司 | Light belt cable |
| CN115480352A (en) * | 2022-10-18 | 2022-12-16 | 江苏中天科技股份有限公司 | Self-supporting optical cable |
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| CN114063236A (en) * | 2022-01-12 | 2022-02-18 | 长飞光纤光缆股份有限公司 | Compression-resistant framework type optical cable and preparation method thereof |
| CN114185140A (en) * | 2022-02-15 | 2022-03-15 | 长飞光纤光缆股份有限公司 | Small-bending-radius framework groove type optical cable and preparation method thereof |
| CN114185140B (en) * | 2022-02-15 | 2022-06-10 | 长飞光纤光缆股份有限公司 | Small-bending-radius framework groove type optical cable and preparation method thereof |
| CN114384656A (en) * | 2022-03-01 | 2022-04-22 | 长飞光电线缆(苏州)有限公司 | Optical fiber ribbon optical cable with elastic wrapping outer protective layer |
| CN115097586A (en) * | 2022-07-29 | 2022-09-23 | 深圳新澳科电缆有限公司 | Light belt cable |
| CN115097586B (en) * | 2022-07-29 | 2023-08-15 | 深圳新澳科电缆有限公司 | Light-weight belt cable |
| CN115480352A (en) * | 2022-10-18 | 2022-12-16 | 江苏中天科技股份有限公司 | Self-supporting optical cable |
| CN115480352B (en) * | 2022-10-18 | 2023-08-11 | 江苏中天科技股份有限公司 | Self-supporting optical cable |
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