CN110794534A - Novel non-metal dry armored termite-proof optical cable and manufacturing method thereof - Google Patents
Novel non-metal dry armored termite-proof optical cable and manufacturing method thereof Download PDFInfo
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- CN110794534A CN110794534A CN201911103365.6A CN201911103365A CN110794534A CN 110794534 A CN110794534 A CN 110794534A CN 201911103365 A CN201911103365 A CN 201911103365A CN 110794534 A CN110794534 A CN 110794534A
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- Prior art keywords
- water
- armored
- termite
- optical
- dry
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- 230000003287 optical effect Effects 0.000 title claims abstract description 53
- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 241000256602 Isoptera Species 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 37
- 239000013307 optical fiber Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 10
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 229920000515 polycarbonate Polymers 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 6
- 239000000806 elastomer 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
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 4
- 230000035929 gnawing Effects 0.000 abstract description 2
- 241000238631 Hexapoda Species 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000257303 Hymenoptera Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008054 signal transmission Effects 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
-
- 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
- G02B6/4434—Central member to take up tensile loads
-
- 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
-
- 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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a novel non-metal dry-type armored termite-proof optical cable and a manufacturing method thereof. The novel nonmetal dry armored termite-proof optical cable manufactured by the manufacturing method has good quality, and can effectively prevent the optical cable from being damaged by gnawing of the termites so as to interrupt communication.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a novel nonmetal dry armored termite-proof optical cable and a manufacturing method thereof.
Background
The optical cable is a communication line which is formed by a certain number of optical fibers according to a certain mode to form a cable core, is coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. The existing optical cable is mostly coated with a sheath after the optical fiber outer sleeve is sleeved with a sleeve, the sheath is made of polyethylene usually, the mechanical property of the sheath is poor, and the optical cable is easy to be bitten by insects and ants and damaged in the laying process.
Disclosure of Invention
The invention provides a novel nonmetal dry armored termite-proof optical cable and a manufacturing method thereof aiming at the defects in the background technology, and aims to provide the following: reduce the external diameter of optical cable, improve the quality of optical cable, avoid the optical cable to be gnawed by the insect and eat and harm the optical cable, lead to the problem of communication interruption.
The purpose of the invention is realized by the following ways:
the utility model provides a novel nonmetal dry-type armor prevents ant optical cable, includes cable core, interior sheath, armor, outer jacket, interior sheath, armor and outer jacket have been cup jointed outward in proper order to the cable core, interior sheath includes by the glass yarn that blocks water around the inlayer A that the package was made, sets up the inlayer B of being made by thermoplastic polyurethane elastomer rubber material outside inlayer A, the outer jacket includes the sheath of being made by high density polyethylene material, is provided with the nylon quilt at the sheath skin.
The armor layer is made of special-shaped FRP wrapped.
The cable core comprises a plurality of optical units and a central FRP reinforcement, the optical units are annularly distributed outside the central FRP reinforcement, a water blocking tape is arranged outside the optical units, and a plurality of ZS-3.0 water blocking yarns are arranged between the optical units and the water blocking tape.
The optical unit comprises a bundle tube made of polycarbonate material, a plurality of optical fibers penetrate through the bundle tube, and more than two ZS-0.5 water-blocking yarns are arranged between the optical fibers and the bundle tube.
The number of the light units is at least six.
The number of the ZS-3.0 water blocking yarns is at least three.
The number of said optical fibers is at least ten.
The outer diameter of the beam tube is 1.45-1.95 mm.
A manufacturing method of a novel nonmetal dry armored termite-proof optical cable comprises the following steps: firstly, manufacturing an optical unit, injecting a polycarbonate finger material into an extruding machine, drawing the polycarbonate finger material into a bundle pipe by using the extruding machine, then filling nitrogen into the bundle pipe by using an air filling device, then filling a plurality of optical fibers into the bundle pipe, and filling two ZS-0.5 water-blocking yarns between the plurality of optical fibers and the bundle pipe; secondly, preparing a cable core, uniformly and annularly distributing a plurality of optical units outside the central FRP reinforcement by an SZ cabling machine, then coating the optical units by a water-blocking tape, and arranging at least more than three ZS-3.0 water-blocking yarns between the water-blocking tape and the optical units; thirdly, winding the water-blocking glass yarn on the cable core by using a glass yarn pay-off machine to form an inner layer A7, injecting thermoplastic polyurethane elastomer rubber into an extruding machine to extrude into a layer to be coated on the water-blocking glass yarn to form an inner layer B8, and forming an inner protection layer by using the inner layer A7 and the inner layer B8; fourthly, adjusting the rotation speed of a pay-off reel and the auger to be synchronous through an armoring machine, and uniformly wrapping the special-shaped FRP outside the inner sheath layer by adopting a back-twist-free method to form an armor layer; and fifthly, injecting high-density polyethylene and nylon into the plastic extruding machine by using the plastic extruding machine, and extruding the outer protective layer by adopting a double-layer co-extrusion method.
The invention has the beneficial effects that:
the novel nonmetal dry armored termite-proof optical cable manufactured by the manufacturing method has good quality, and can effectively prevent the optical cable from being damaged by gnawing of the termites so as to interrupt communication.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a novel nonmetal dry armored termite-proof optical cable of the present invention.
In the figure: 1. optical fiber, 2, ZS-0.5 water-blocking yarn; 3. a bundle tube, 4, ZS-3.0 water-blocking yarn; 5. a water blocking tape; 6. central FRP reinforcement, 7, inner layers a7, 8, inner layers B, 9, armor, 10, jacket, 11, nylon outer cover.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the invention discloses a manufacturing method of a novel nonmetal dry armored termite-proof optical cable, which comprises the following steps: firstly, manufacturing an optical unit, injecting a polycarbonate finger material into an extruding machine, drawing the polycarbonate finger material into a bundle tube 3 by using the extruding machine, then filling nitrogen into the bundle tube 3 by using an air filling device, then filling a plurality of optical fibers 1 into the bundle tube 3, and filling two ZS-0.5 water-blocking yarns 2 between the plurality of optical fibers 1 and the bundle tube 3; secondly, preparing a cable core, uniformly and annularly distributing a plurality of optical units outside the central FRP reinforcement 6 by an SZ cabling machine, then coating the optical units by a water-blocking tape 5, and arranging at least three ZS-3.0 water-blocking yarns 4 between the water-blocking tape 5 and the optical units; thirdly, winding the water-blocking glass yarn on the cable core by using a glass yarn pay-off machine to form an inner layer A7, injecting thermoplastic polyurethane elastomer rubber into an extruding machine to extrude into a layer to be coated on the water-blocking glass yarn to form an inner layer B8, and forming an inner protection layer by using the inner layer A7 and the inner layer B8; fourthly, adjusting the rotation speed of a pay-off reel and the auger to be synchronous through an armoring machine, and uniformly wrapping the special-shaped FRP outside the inner sheath layer by adopting a back-twist-free method to form an armor layer 9; fifthly, injecting high-density polyethylene and nylon into the plastic extruding machine by using the plastic extruding machine, and extruding the outer protective layer by adopting a double-layer co-extrusion method; the novel nonmetal dry armored termite-proof optical cable comprises a cable core, an inner protective layer, an armored layer and an outer protective layer, wherein the inner protective layer, the armored layer 9 and the outer protective layer are sequentially sleeved outside the cable core, the inner protective layer comprises an inner layer A7 formed by wrapping water-blocking glass yarns, an inner layer B8 made of thermoplastic polyurethane elastomer rubber is arranged outside an inner layer A7, the outer protective layer comprises a sheath 10 made of high-density polyethylene materials, a nylon outer cover 11 is arranged outside the sheath 10, the armored layer 9 is formed by wrapping special-shaped FRP, the cable core comprises a plurality of optical units and a central FRP reinforcing piece 6, the optical units are annularly distributed outside the central FRP reinforcing piece 6, a water-blocking tape 5 is arranged outside the optical units, a plurality of ZS-3.0 water-blocking yarns 4 are arranged between the optical units and the water-blocking tape 5, each optical unit comprises a bundle pipe 3 made of polycarbonate materials, a plurality of optical fibers 1 penetrate through the bundle tube 3, more than two ZS-0.5 water blocking yarns 2 are arranged between the optical fibers 1 and the bundle tube 3, the number of the optical units is at least six, the number of the ZS-3.0 water blocking yarns 4 is at least three, the number of the optical fibers 1 is at least ten, and the outer diameter of the bundle tube 3 is 1.45-1.95 mm.
The profiled FRP, the central FRP reinforcement and the inflator referred to in the present invention are all prior art, and FRP refers to a fiber reinforced composite material, which is not described herein.
Claims (9)
1. The utility model provides a novel nonmetal dry-type armor prevents ant optical cable, includes cable core, interior sheath, armor, outer jacket, its characterized in that: the cable core has cup jointed inner sheath, armor and outer jacket outward in proper order, the inner sheath includes the inlayer A of making around the package by the glass yarn that blocks water, sets up the inlayer B of making by thermoplastic polyurethane elastomer rubber material outside inlayer A, the outer jacket includes the sheath of making by high density polyethylene material, is provided with the nylon at the sheath skin and is covered outward.
2. The novel nonmetal dry armored termite-proof cable according to claim 1, wherein: the armor layer is made of special-shaped FRP wrapped.
3. A novel non-metal dry armored termite-resistant cable according to claim 1 or 2, wherein: the cable core comprises a plurality of optical units and a central FRP reinforcement, the optical units are annularly distributed outside the central FRP reinforcement, a water blocking tape is arranged outside the optical units, and a plurality of ZS-3.0 water blocking yarns are arranged between the optical units and the water blocking tape.
4. A novel non-metal dry armored termite-resistant cable according to claim 3, wherein: the optical unit comprises a bundle tube made of polycarbonate material, a plurality of optical fibers penetrate through the bundle tube, and more than two ZS-0.5 water-blocking yarns are arranged between the optical fibers and the bundle tube.
5. The novel nonmetal dry armored termite-proof cable according to claim 4, wherein: the number of the light units is at least six.
6. A novel non-metal dry armored termite-resistant cable according to claim 3, wherein: the number of the ZS-3.0 water blocking yarns is at least three.
7. The novel nonmetal dry armored termite-proof cable according to claim 4, wherein: the number of said optical fibers is at least ten.
8. The novel nonmetal dry armored termite-proof cable according to claim 4, wherein: the outer diameter of the beam tube is 1.45-1.95 mm.
9. A manufacturing method of a novel nonmetal dry armored termite-proof optical cable is characterized by comprising the following steps: the method comprises the following steps: firstly, manufacturing an optical unit, injecting a polycarbonate finger material into an extruding machine, drawing the polycarbonate finger material into a bundle pipe by using the extruding machine, then filling nitrogen into the bundle pipe by using an air filling device, then filling a plurality of optical fibers into the bundle pipe, and filling two ZS-0.5 water-blocking yarns between the plurality of optical fibers and the bundle pipe; secondly, preparing a cable core, uniformly and annularly distributing a plurality of optical units outside the central FRP reinforcement by an SZ cabling machine, then coating the optical units by a water-blocking tape, and arranging at least more than three ZS-3.0 water-blocking yarns between the water-blocking tape and the optical units; thirdly, winding the water-blocking glass yarn on the cable core by using a glass yarn pay-off machine to form an inner layer A7, injecting thermoplastic polyurethane elastomer rubber into an extruding machine to extrude into a layer to be coated on the water-blocking glass yarn to form an inner layer B8, and forming an inner protection layer by using the inner layer A7 and the inner layer B8; fourthly, adjusting the rotation speed of a pay-off reel and the auger to be synchronous through an armoring machine, and uniformly wrapping the special-shaped FRP outside the inner sheath layer by adopting a back-twist-free method to form an armor layer; and fifthly, injecting high-density polyethylene and nylon into the plastic extruding machine by using the plastic extruding machine, and extruding the outer protective layer by adopting a double-layer co-extrusion method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103365.6A CN110794534A (en) | 2019-11-13 | 2019-11-13 | Novel non-metal dry armored termite-proof optical cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103365.6A CN110794534A (en) | 2019-11-13 | 2019-11-13 | Novel non-metal dry armored termite-proof optical cable and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110794534A true CN110794534A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911103365.6A Withdrawn CN110794534A (en) | 2019-11-13 | 2019-11-13 | Novel non-metal dry armored termite-proof optical cable and manufacturing method thereof |
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| CN (1) | CN110794534A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399149A (en) * | 2020-04-29 | 2020-07-10 | 成都亨通光通信有限公司 | Highway ant-proof micro cable and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6788858B1 (en) * | 2001-11-19 | 2004-09-07 | Lg Cable Ltd. | Bundle tube type optical cable |
| CN204065507U (en) * | 2014-08-15 | 2014-12-31 | 中国电子科技集团公司第二十三研究所 | A kind of indoor and outdoor all dielectric environmental protection flame retardant termite-proof optical cable |
| CN204178022U (en) * | 2014-10-15 | 2015-02-25 | 广东亨通光电科技有限公司 | Environment-friendly type all dielectric Anti-mouse ant-proof optical cable |
| CN204596510U (en) * | 2015-04-10 | 2015-08-26 | 江苏宏图高科技股份有限公司 | In, low pressure protection against rodents, anti-ant optoelectronic composite cable |
| CN109387911A (en) * | 2017-08-08 | 2019-02-26 | 江苏亨通光电股份有限公司 | All dielectric self-supporting enhances rodent-resistant cable and data communication system |
-
2019
- 2019-11-13 CN CN201911103365.6A patent/CN110794534A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6788858B1 (en) * | 2001-11-19 | 2004-09-07 | Lg Cable Ltd. | Bundle tube type optical cable |
| CN204065507U (en) * | 2014-08-15 | 2014-12-31 | 中国电子科技集团公司第二十三研究所 | A kind of indoor and outdoor all dielectric environmental protection flame retardant termite-proof optical cable |
| CN204178022U (en) * | 2014-10-15 | 2015-02-25 | 广东亨通光电科技有限公司 | Environment-friendly type all dielectric Anti-mouse ant-proof optical cable |
| CN204596510U (en) * | 2015-04-10 | 2015-08-26 | 江苏宏图高科技股份有限公司 | In, low pressure protection against rodents, anti-ant optoelectronic composite cable |
| CN109387911A (en) * | 2017-08-08 | 2019-02-26 | 江苏亨通光电股份有限公司 | All dielectric self-supporting enhances rodent-resistant cable and data communication system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399149A (en) * | 2020-04-29 | 2020-07-10 | 成都亨通光通信有限公司 | Highway ant-proof micro cable and manufacturing method thereof |
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