CN204925481U - Armor optical fiber cable for field operation - Google Patents
Armor optical fiber cable for field operation Download PDFInfo
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- CN204925481U CN204925481U CN201520734198.6U CN201520734198U CN204925481U CN 204925481 U CN204925481 U CN 204925481U CN 201520734198 U CN201520734198 U CN 201520734198U CN 204925481 U CN204925481 U CN 204925481U
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- armor
- fortifying fibre
- optical cable
- optical fiber
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Abstract
The utility model relates to an armor optical fiber cable for field operation, including optical cable body, armor and oversheath layer, the armor cladding is in the periphery of optical cable body, the cladding of oversheath layer is in the periphery of armor, the optical cable body is including transposition cable core, fortifying fibre layer and inner sheath layer, the cladding of fortifying fibre layer is in the periphery of transposition cable core, the cladding of inner sheath layer is in the periphery on fortifying fibre layer, the transposition cable core is formed through transposition of single spiral or SZ transposition by at least 2 secondary coating fiber, secondary coating fiber includes the optic fibre body and tightly overlaps and lose no time the jacket layer in the optic fibre body. The utility model discloses an armor optical fiber cable for field operation has advantages such as intensity is big, the pliability good, loss prevention nature is strong, shielding property is good.
Description
Technical field
The utility model belongs to communications optical cable field, is specifically related to a kind of armored optical cable for field operations.
Background technology
Optical fiber cable for field operation, specially for needing under field operations and complex environment to use under fast wiring or folding and unfolding service condition repeatedly and the optical cable that designs.Because optical fiber cable for field operation needs fast wiring and retractable cable repeatedly, require that optical fiber cable for field operation has good flexibility, therefore be often classified to the category of communication flexible optical cable.Relative to common flexible optical cable, although these optical fiber cable for field operation have better mechanical and physical performance and environmental performance, under the service condition of very severe, still have deficiency.Such as, needing interim making somebody a mere figurehead to lay for crossing over river, railway etc., often being pecked damage by birds; For avoid vehicle repeatedly roll or hidden requirement etc. needs interim buried-pipe laying, often bitten broken by rodents such as mouse, when the time is slightly long also can corrode by liquid such as formic acid; When earth's surface is laid, often damaged by pressure by rubble or weight equipment.This all greatly have impact on the normal use of optical fiber cable for field operation, adds the workload of maintenance, reduces the reliability of communication system.
At present, flexible optical cable often adopts the helical steel band armouring of wrapped buckle-like or non-buckle-like to stop chewing of mouse, buckle-like steel-tape armouring (as bath tube) is because of the engagement of adjacent steel interband, tension and compressive strength are all better, but because the existence of button makes diameter and weight greatly improve, be unfavorable for the portable operation of optical fiber cable for field operation; The steel-tape armouring of non-buckle-like is exactly that the axial intermittently spiral winding of flat strip steel along optical cable is on optical cable, because of the engagement without adjacent steel interband, during optical cable radial force steel band very easily yield deformation (flattening) easily make optical fibre damage on the contrary, and without the gap of engagement wrapped when optical cable longitudinal stress helical steel band circle very easily extend, make optical cable lose tensile strength, shielding properties is also unstable.For making optical cable have certain resistance to formic acid performance, oversheath many employings semi-rigid adjudicate two cases together ethene or improved polyalkene sheath, breaking elongation is low, easy to crack.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of intensity is large, pliability good, loss prevention strong, the armored optical cable for field operations of advantages of good shielding performance.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of armored optical cable for field operations, described armored optical cable for field operations comprises optical cable body, armor and external sheath layer; Described armor is coated on the periphery of optical cable body, and described external sheath layer is coated on the periphery of armor; Described optical cable body comprises twisted cable core, fortifying fibre layer and inner restrictive coating; Described fortifying fibre layer is coated on the periphery of twisted cable core, and described inner restrictive coating is coated on the periphery of fortifying fibre layer; Described twisted cable core is stranded or SZ is stranded is formed through simple helix by least 2 second coating optical fibers; Described second coating optical fiber comprises optical fiber body and is tightly placed in tight sleeve layer on optical fiber body; Described tight sleeve layer is the tight sleeve layer that polyester elastomer or nylon elastomer engineering plastics are made; Described fortifying fibre layer is the fortifying fibre layer that aromatic polyamide fibre is made; Described inner restrictive coating is the inner restrictive coating that polyurethane elastomer is made; Described armor is the armor that metal wire knitted becomes; Described external sheath layer is the external sheath layer that polyurethane elastomer or nylon engineering plastic are made.
In the utility model, to be described fortifying fibre layer be preferred scheme by fortifying fibre is the fortifying fibre layer that monotonous helical shape is coated on that twisted cable core periphery formed.
In the utility model, the tight sleeve layer that the polyester elastomer of preferred scheme is described tight sleeve layer to be hardness be 60-80A is made; Described fortifying fibre layer is the fortifying fibre layer that Fanglun l414 is made; The armor that described armor is stainless steel wire, at least one material in tin plated steel wire, silver-plated copper steel wire is woven into; Described external sheath layer is the external sheath layer that nylon 12 engineering plastics are made.
In the utility model, preferred scheme is described armor is the armor that stainless steel wire is woven into; Described armor is embedded the inside surface at external sheath layer.
In the utility model, it is stranded or SZ is stranded is formed through simple helix by 2-8 root second coating optical fiber that preferred scheme is described twisted cable core.
Compared to existing technology, the beneficial effects of the utility model are: the design adopting said structure, second coating optical fiber is by the twisted cable core of the stranded or stranded formation of SZ of simple helix, and then at the peripheral coating reinforced fiber layer of twisted cable core, the tensile strain window of optical cable can be made like this to become larger, can play a very good protection to optical fiber; External sheath layer can well the radial stress of buffer optical cable, avoids the microbending loss of optical fiber, also can give in the braiding process of follow-up armouring as optical fiber provides good buffering simultaneously; Armor is formed by metal wire knitted, can either take into account the flexibility of optical cable like this, also can play the effect of mouse bite preventing, unfirmly closing; Adding of external sheath layer can promote the burn into of the resistance to formic acid mouse bite preventing of optical cable entirety, the performance of unfirmly closing further; The shielding properties adding lifting optical cable that can be overall of each layer, can play good electromagnetism interference effect, in use more stable and reliable.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
The utility model embodiment is illustrated further below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of armored optical cable for field operations:
Wherein, 1, optical cable body; 10, twisted cable core; 100, second coating optical fiber; 1001, optical fiber body; 1002, tight sleeve layer; 11, fortifying fibre layer; 12, inner restrictive coating; 2, armor; 3, external sheath layer.
Embodiment
Composition graphs 1, a kind of armored optical cable for field operations, described armored optical cable for field operations comprises optical cable body 1, armor 2 and external sheath layer 3; Described armor is coated on the periphery of optical cable body, and described external sheath layer is coated on the periphery of armor; Described optical cable body comprises twisted cable core 10, fortifying fibre layer 11 and inner restrictive coating 12; Described fortifying fibre layer is coated on the periphery of twisted cable core, and described inner restrictive coating is coated on the periphery of fortifying fibre layer; Described twisted cable core is stranded or SZ is stranded is formed through simple helix by least 2 second coating optical fibers 100; Described second coating optical fiber comprises optical fiber body 1001 and is tightly placed in tight sleeve layer 1002 on optical fiber body; Described tight sleeve layer is the tight sleeve layer that polyester elastomer or nylon elastomer engineering plastics are made; Described fortifying fibre layer is the fortifying fibre layer that aromatic polyamide fibre is made; Described inner restrictive coating is the inner restrictive coating that polyurethane elastomer is made; Described armor is the armor that metal wire knitted becomes; Described external sheath layer is the external sheath layer that polyurethane elastomer or nylon engineering plastic are made.
Adopt the design of said structure, second coating optical fiber is by the twisted cable core of the stranded or stranded formation of SZ of simple helix, and then at the peripheral coating reinforced fiber layer of twisted cable core, the tensile strain window of optical cable can be made like this to become larger, can play a very good protection to optical fiber; External sheath layer can well absorb the radial stress of optical cable, avoids the microbending loss of optical fiber, also can give in the braiding process of follow-up armouring as optical fiber provides good buffering simultaneously; Armor is formed by metal wire knitted, can either take into account the flexibility of optical cable like this, also can play the effect of mouse bite preventing, unfirmly closing; Adding of external sheath layer can promote the burn into of the resistance to formic acid mouse bite preventing of optical cable entirety, the performance of unfirmly closing further; The shielding properties adding lifting optical cable that can be overall of each layer, can play good electromagnetism interference effect, in use more stable and reliable; Tight sleeve layer adopts polyester elastomer or nylon elastomer engineering plastics, and optical fiber cable for field operation can be made to have the effect of better buffering external carbuncle and better low temperature flexibility; The polyurethane elastomer that inner restrictive coating adopts has good oil resistant, wear-resisting, hydrolysis and fire-retardant performance, and the overall resistant to damage performance of optical cable can be made more outstanding.
In order to better fix twisted cable core, also can play a protective role to cable core, described fortifying fibre layer be that monotonous helical shape is coated on twisted cable core periphery and the fortifying fibre layer that formed by fortifying fibre simultaneously.
In order to promote the performance of optical fiber cable for field operation further, the tight sleeve layer that the polyester elastomer of described tight sleeve layer to be hardness be 60-80A is made; Described fortifying fibre layer is the fortifying fibre layer that Fanglun l414 is made; The armor that described armor is stainless steel wire, at least one material in tin plated steel wire, silver-copper plated steel clad silk is woven into; Described external sheath layer is the external sheath layer that nylon 12 engineering plastics are made; The model that the polyester elastomer of 60-80A wherein can adopt du pont company to produce is the polyester elastomer of Hytrel6356 or Hytrel7246, and this polyester elastomer can promote buffering external carbuncle, the low-temperature flexibility performance of optical cable further; Fanglun l414 has higher intensity, can promote the protective value to optical cable further; Nylon 12 engineering plastics have good resistance to formic acid city performance, and physical strength is high, friction factor is low, can reduce the wearing and tearing of optical cable.
In order to promote stability and the pliability of optical cable further, described armor is the armor that stainless steel wire is woven into; Described armor is embedded the inside surface at external sheath layer.
Optical fiber cable for field operation of the present utility model, described twisted cable core is stranded or SZ is stranded is formed through simple helix by 2-8 root second coating optical fiber.
In order to promote the overall mechanical strength of optical cable further, described armored optical cable for field operations also comprises central reinforce member, and described central reinforce member is circular non-metal reinforcement member, and described second coating optical fiber is stranded or SZ is stranded around central reinforce member simple helix.
Experimental example
The performance of armored optical cable for field operations of the present utility model is detected, detect adopt optical fiber cable for field operation in twisted cable core by 4 second coating optical fibers through the stranded twisted cable core formed of SZ; Concrete test data refers to following table 1:
Table 1: the performance test data table of the armored optical cable for field operations of embodiment 1
Data as can be seen from upper table, armored optical cable for field operations of the present utility model, have that intensity is large, pliability good, loss prevention strong (protection against rodents, anti-ant, fire-retardant etc.), the advantage such as advantages of good shielding performance.
Above-mentioned embodiment is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (5)
1. an armored optical cable for field operations, is characterized in that: described armored optical cable for field operations comprises optical cable body, armor and external sheath layer; Described armor is coated on the periphery of optical cable body, and described external sheath layer is coated on the periphery of armor; Described optical cable body comprises twisted cable core, fortifying fibre layer and inner restrictive coating; Described fortifying fibre layer is coated on the periphery of twisted cable core, and described inner restrictive coating is coated on the periphery of fortifying fibre layer; Described twisted cable core is stranded or SZ is stranded is formed through simple helix by least 2 second coating optical fibers; Described second coating optical fiber comprises optical fiber body and is tightly placed in tight sleeve layer on optical fiber body; Described tight sleeve layer is the tight sleeve layer that polyester elastomer or nylon elastomer engineering plastics are made; Described fortifying fibre layer is the fortifying fibre layer that aromatic polyamide fibre is made; Described inner restrictive coating is the inner restrictive coating that polyurethane elastomer is made; Described armor is the armor that metal wire knitted becomes; Described external sheath layer is the external sheath layer that polyurethane elastomer or nylon engineering plastic are made.
2. armored optical cable for field operations according to claim 1, is characterized in that: described fortifying fibre layer is that monotonous helical shape is coated on the peripheral and fortifying fibre layer that formed of twisted cable core by fortifying fibre.
3. armored optical cable for field operations according to claim 1, is characterized in that: the tight sleeve layer that the polyester elastomer of described tight sleeve layer to be hardness be 60-80A is made; Described fortifying fibre layer is the fortifying fibre layer that Fanglun l414 is made; The armor that described armor is stainless steel wire, at least one material in tin plated steel wire, silver-copper plated steel clad silk is woven into; Described external sheath layer is the external sheath layer that nylon 12 engineering plastics are made.
4. armored optical cable for field operations according to claim 3, is characterized in that: described armor is the armor that stainless steel wire is woven into; Described armor is embedded the inside surface at external sheath layer.
5. armored optical cable for field operations according to claim 1, is characterized in that: described twisted cable core is stranded or SZ is stranded is formed through simple helix by 2-8 root second coating optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734198.6U CN204925481U (en) | 2015-09-21 | 2015-09-21 | Armor optical fiber cable for field operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734198.6U CN204925481U (en) | 2015-09-21 | 2015-09-21 | Armor optical fiber cable for field operation |
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| Publication Number | Publication Date |
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| CN204925481U true CN204925481U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520734198.6U Expired - Fee Related CN204925481U (en) | 2015-09-21 | 2015-09-21 | Armor optical fiber cable for field operation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549168A (en) * | 2016-01-29 | 2016-05-04 | 烽火通信科技股份有限公司 | Military field operation optical cables and manufacture method thereof |
| CN108051894A (en) * | 2017-11-20 | 2018-05-18 | 广东中天科技光缆有限公司 | A kind of double armour optical cable production technologies |
| CN108490568A (en) * | 2018-04-27 | 2018-09-04 | 深圳市特发信息光电技术有限公司 | A kind of nonmetallic anti-rodent optical cable of abnormity FRP armourings and its processing technology |
| CN109375326A (en) * | 2018-11-08 | 2019-02-22 | 江苏中天科技股份有限公司 | A kind of optical fiber cable for field operation and preparation method thereof |
| CN111591091A (en) * | 2020-05-27 | 2020-08-28 | 泉州台商投资区中栓机械技术有限公司 | Walking robot constructional device based on double-deck child formula |
| CN114690349A (en) * | 2022-03-01 | 2022-07-01 | 杭州富通通信技术股份有限公司 | Optical cable for preventing biting |
-
2015
- 2015-09-21 CN CN201520734198.6U patent/CN204925481U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549168A (en) * | 2016-01-29 | 2016-05-04 | 烽火通信科技股份有限公司 | Military field operation optical cables and manufacture method thereof |
| CN108051894A (en) * | 2017-11-20 | 2018-05-18 | 广东中天科技光缆有限公司 | A kind of double armour optical cable production technologies |
| CN108490568A (en) * | 2018-04-27 | 2018-09-04 | 深圳市特发信息光电技术有限公司 | A kind of nonmetallic anti-rodent optical cable of abnormity FRP armourings and its processing technology |
| CN109375326A (en) * | 2018-11-08 | 2019-02-22 | 江苏中天科技股份有限公司 | A kind of optical fiber cable for field operation and preparation method thereof |
| CN111591091A (en) * | 2020-05-27 | 2020-08-28 | 泉州台商投资区中栓机械技术有限公司 | Walking robot constructional device based on double-deck child formula |
| CN114690349A (en) * | 2022-03-01 | 2022-07-01 | 杭州富通通信技术股份有限公司 | Optical cable for preventing biting |
| CN114690349B (en) * | 2022-03-01 | 2023-06-09 | 杭州富通通信技术股份有限公司 | Anti-biting optical cable |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |