CN104880790A - Layer-stranded band-shaped optical cable - Google Patents
Layer-stranded band-shaped optical cable Download PDFInfo
- Publication number
- CN104880790A CN104880790A CN201510285693.8A CN201510285693A CN104880790A CN 104880790 A CN104880790 A CN 104880790A CN 201510285693 A CN201510285693 A CN 201510285693A CN 104880790 A CN104880790 A CN 104880790A
- Authority
- CN
- China
- Prior art keywords
- rubber ring
- optical cable
- layer
- sheath
- sleeve pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- G02B6/4403—Optical cables with ribbon structure
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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
- G02B6/4434—Central member to take up tensile loads
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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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
Abstract
The invention discloses a layer-stranded band-shaped optical cable. The layer-stranded band-shaped optical cable comprises a sheath and a steel-plastic composite belt which are successively arranged from the outside to the inside. The inner wall of the steel-plastic composite belt is provided with multiple mutually twisted sleeves, each sleeve is internally annularly provided with multiple fibers, the central portion of the steel-plastic composite belt is provided with a rubber ring, the outer wall of the rubber ring is tangent with the outer walls of the multiple sleeves, a filter is injected in gap between the rubber ring and a belt wrapping layer, and a reinforcement core is arranged at the center of the rubber ring. When the optical cable encounters a corner or an area section with quite large bending amplitude, the sheath is deformed and distorted, at the moment, the sleeves disposed inside the sheath extrude each other, and the rubber ring disposed at the central portion of the steel-plastic composite belt is extruded to a certain degree under the support effect of the reinforcement core and is correspondingly deformed in response to the distortion stress borne by the sheath so as to buffer the stress effect transmitted by the sheath to the sleeves and achieve the purposes of ensuring compact structure inside the optical cable and improving the anti-bending and anti-loss performance of the optical cable.
Description
Technical field
The present invention relates to fiber optic cable manufacture field, specifically refer to a kind of layer-twisted optical fiber ribbon cable.
Background technology
In daily life, because light is more much lower in the loss of electric wire conduction than electricity in fibre-optic conduction loss, optical fiber is used as the information transmission of long distance.Most optical fiber before use must be coated by which floor operator guards, and namely the cable after coated is called as optical cable, and the protective seam of fiber outer layer and insulation course can prevent surrounding environment to the injury of optical fiber, Ru Shui, fire, electric shock etc.
And optical fiber ribbon cable has that external diameter is little, core number large, be convenient to the advantages such as concentrated welding, can be used for broadband, at a high speed, the multimedia Multi net voting information transmission of Large Copacity, and central tube type optical fiber ribbon cable is applicable to directly buried pipeline lays with built on stilts.But in the production run of layer-twisted optical fiber ribbon cable, multiple light belt is folded body and is easily offset in protective seam, namely certain in protective seam is concentrated on, in use once run into turning or the larger location, region of angle of bend, slight crack can be there is in protective seam because local pressure concentrates, then the serviceable life of optical cable is reduced, and the means solving this problem in prior art are, increase the filling paste in protective seam and rigid plastic material filling substrate, but this kind of mode significantly reduces the bending resistance of optical cable, the part of the force of optical cable is easily fractureed.
Summary of the invention
The object of the present invention is to provide a kind of layer-twisted optical fiber ribbon cable, ensure the compact of optical cable inner structure, improve the counter-bending and damage-retardation performance of optical cable.
Object of the present invention is achieved through the following technical solutions:
A kind of layer-twisted optical fiber ribbon cable, comprise the sheath, the composite steel-plastic belt that set gradually from outside to inside, the inwall of described composite steel-plastic belt is provided with the sleeve pipe of multiple mutual hinge joint, described inside pipe casing annular spread has multiple optical fiber, the middle part of described composite steel-plastic belt is provided with rubber ring, and the outer wall of the outer wall of rubber ring and multiple sleeve pipe is tangent, the gap location before described rubber ring and belting layer is marked with filling material, also comprise strengthening core, described strengthening core is arranged on the center of rubber ring.For in prior art, optical fiber ribbon cable easily fractures or the problem of slight crack easily appears in its insulation outer wall, the present invention first fills full optical fiber and forms single cable unit in sleeve pipe, adherent fixing one deck composite steel-plastic belt in the inner side of sheath again, then strengthening core is set at the middle part of composite steel-plastic belt, and at the outer sheathed rubber ring of strengthening core, contacted by the sleeve outer wall of rubber ring with multiple mutual hinge joint, sheath is completely supported, last gap portion between composite steel-plastic belt and rubber ring injects filling material, namely completes the processing of optical cable, and the present invention in use, when running into turning or the larger location, region of bending amplitude, sheath generation deformation distortion, mutually extrude between the sleeve pipe now between sheath inside, and be positioned at the rubber ring in the middle part of composite steel-plastic belt under the supporting role of strengthening core by the extruding under to a certain extent, and the twisting stress be subject to for sheath and make corresponding deformation, effect of stress effect on sleeve pipe is passed to cushion sheath, gap location simultaneously between composite steel-plastic belt and rubber ring is marked with filling material, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber to a certain extent, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.
Radial inward along described composite steel-plastic belt on described composite steel-plastic belt inwall is disposed with water blocking layer, belting layer, and the outer wall of described sleeve pipe contacts with the inwall of belting layer.The water blocking layer radially-inwardly set gradually along composite steel-plastic belt, belting layer play multi-stage protection effect to sleeve pipe simultaneously; composite steel-plastic belt can further improve the bend performance of optical cable simultaneously; and then be reduced in cable bend stressed time fibre ribbon fold the impaired probability of body, and water blocking layer that the location aqueous vapor under rich water condition can be avoided to enter into optical cable is inner and then affect the physical characteristics of optical cable.
Described strengthening core is aluminium core.As preferably, using aluminium core as strengthening core, can make optical cable in process of deployment, run into turning or the larger location of flexibility and ensure its toughness, prevent optical cable to be subject to rigid damage, and then improve the serviceable life of optical cable.
The diameter of described strengthening core is greater than the diameter of described sleeve pipe.As preferably, the diameter of strengthening core is set on the diameter of sleeve pipe, is ensureing that strengthening core is while providing enough support for rubber ring, make the bending resistance of optical cable improve further.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is when running into turning or the larger location, region of bending amplitude, sheath generation deformation distortion, mutually extrude between the sleeve pipe now between sheath inside, and be positioned at the rubber ring in the middle part of composite steel-plastic belt under the supporting role of strengthening core by the extruding under to a certain extent, and the twisting stress be subject to for sheath and make corresponding deformation, effect of stress effect on sleeve pipe is passed to cushion sheath, gap location simultaneously between composite steel-plastic belt and rubber ring is marked with filling material, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber to a certain extent, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable,
2, the present invention radially-inwardly sets gradually along composite steel-plastic belt water blocking layer, belting layer play multi-stage protection effect to sleeve pipe simultaneously, composite steel-plastic belt can further improve the bend performance of optical cable simultaneously, and then be reduced in cable bend stressed time fibre ribbon fold the impaired probability of body, and water blocking layer that the location aqueous vapor under rich water condition can be avoided to enter into optical cable is inner and then affect the physical characteristics of optical cable;
3, the present invention is using aluminium core as strengthening core, can make optical cable in process of deployment, run into turning or the larger location of flexibility and ensure its toughness, prevent optical cable to be subject to rigid damage, and then improve the serviceable life of optical cable.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
1-sheath, 2-filling material, 3-water blocking layer, 4-belting layer, 5-rubber ring, 6-strengthening core, 7-sleeve pipe, 8-optical fiber, 9-composite steel-plastic belt.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the sheath 1, the composite steel-plastic belt 9 that set gradually from outside to inside, the inwall of described composite steel-plastic belt 9 is provided with the sleeve pipe 7 of multiple mutual hinge joint, described sleeve pipe 7 inner annular is distributed with multiple optical fiber 8, the middle part of described composite steel-plastic belt 9 is provided with rubber ring 5, and the outer wall of the outer wall of rubber ring 5 and multiple sleeve pipe 7 is tangent, described rubber ring 5 is marked with filling material 2 with the gap location before belting layer 4, also comprise strengthening core 6, described strengthening core 6 is arranged on the center of rubber ring 5.For in prior art, optical fiber ribbon cable easily fractures or the problem of slight crack easily appears in its insulation outer wall, the present invention first fills full optical fiber 8 and forms single cable unit in sleeve pipe 7, adherent fixing one deck composite steel-plastic belt 9 in the inner side of sheath 1 again, then strengthening core 6 is set at the middle part of composite steel-plastic belt 9, and at the outer sheathed rubber ring 5 of strengthening core 6, by sleeve pipe 7 wall contacts of rubber ring 5 with multiple mutual hinge joint, sheath 1 is completely supported, last gap portion between composite steel-plastic belt 9 and rubber ring 5 injects filling material 2, namely the processing of optical cable is completed, and the present invention in use, when running into turning or the larger location, region of bending amplitude, there is deformation distortion in sheath 1, mutually extrude between the sleeve pipe 7 now between sheath 1 inside, and the rubber ring 5 be positioned in the middle part of composite steel-plastic belt 9 is subject to the extruding to a certain extent under the supporting role of strengthening core 6, and the twisting stress be subject to for sheath 1 and make corresponding deformation, effect of stress effect on sleeve pipe 7 is passed to cushion sheath 1, gap location simultaneously between composite steel-plastic belt 9 and rubber ring 5 is marked with filling material 2, the effect of mechanical damping can also be played while can being fixed sleeve pipe 7 and optical fiber 8 to a certain extent, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.
Radial inward along described composite steel-plastic belt 9 on described composite steel-plastic belt 9 inwall is disposed with water blocking layer 3, belting layer 4, and the outer wall of described sleeve pipe 7 contacts with the inwall of belting layer 4.The water blocking layer 3 radially-inwardly set gradually along composite steel-plastic belt 9, belting layer 4 play multi-stage protection effect to sleeve pipe 7 simultaneously; composite steel-plastic belt 9 can further improve the bend performance of optical cable simultaneously; and then be reduced in cable bend stressed time optical fiber 8 probability of being with folded body impaired, and water blocking layer 3 that the location aqueous vapor under rich water condition can be avoided to enter into optical cable is inner and then affect the physical characteristics of optical cable.
As preferably, using aluminium core as strengthening core 6, can make optical cable in process of deployment, run into turning or the larger location of flexibility and ensure its toughness, prevent optical cable to be subject to rigid damage, and then improve the serviceable life of optical cable.
As preferably, the diameter of strengthening core 6 is set on the diameter of sleeve pipe 7, at guarantee strengthening core 6 while providing enough supports for rubber ring 5, the bending resistance of optical cable is improved further.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a layer-twisted optical fiber ribbon cable, comprise the sheath (1) set gradually from outside to inside, composite steel-plastic belt (9), the inwall of described composite steel-plastic belt (9) is provided with the sleeve pipe (7) of multiple mutual hinge joint, described sleeve pipe (7) inner annular is distributed with multiple optical fiber (8), it is characterized in that: the middle part of described composite steel-plastic belt (9) is provided with rubber ring (5), and the outer wall of the outer wall of rubber ring (5) and multiple sleeve pipe (7) is tangent, described rubber ring (5) is marked with filling material (2) with the gap location before belting layer (4), also comprise strengthening core (6), described strengthening core (6) is arranged on the center of rubber ring (5).
2. a kind of layer-twisted optical fiber ribbon cable according to claim 1, it is characterized in that: on described composite steel-plastic belt (9) inwall, be disposed with water blocking layer (3), belting layer (4) along the radial inward of described composite steel-plastic belt (9), the outer wall of described sleeve pipe (7) contacts with the inwall of belting layer (4).
3. a kind of layer-twisted optical fiber ribbon cable according to claim 1, is characterized in that: described strengthening core (6) is aluminium core.
4. a kind of layer-twisted optical fiber ribbon cable according to claim 3, is characterized in that: the diameter of described strengthening core (6) is greater than the diameter of described sleeve pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510285693.8A CN104880790A (en) | 2015-05-29 | 2015-05-29 | Layer-stranded band-shaped optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510285693.8A CN104880790A (en) | 2015-05-29 | 2015-05-29 | Layer-stranded band-shaped optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104880790A true CN104880790A (en) | 2015-09-02 |
Family
ID=53948351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510285693.8A Pending CN104880790A (en) | 2015-05-29 | 2015-05-29 | Layer-stranded band-shaped optical cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN104880790A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005157385A (en) * | 2003-11-27 | 2005-06-16 | Samsung Electronics Co Ltd | Optical fiber cable and manufacturing method thereof |
| CN202305924U (en) * | 2011-08-30 | 2012-07-04 | 安徽蓝德集团股份有限公司 | Optical cable containing non-metal braided layer |
| CN202583538U (en) * | 2012-04-09 | 2012-12-05 | 安徽华鸿电气股份有限公司 | Loose tube layer stranded optical cable with aluminum-plastic composite belt |
| CN202583537U (en) * | 2012-04-09 | 2012-12-05 | 安徽华鸿电气股份有限公司 | Loose tube layer stranded optical cable with flame retardant sheath |
| CN202583546U (en) * | 2012-04-09 | 2012-12-05 | 安徽华鸿电气股份有限公司 | Direct-buried loose tube layer stranded optical cable with prevention of rodent |
| CN202917196U (en) * | 2012-09-24 | 2013-05-01 | 安徽华宇电缆集团有限公司 | Tensile wear-resistant water-proof rubber-sheathed soft cable |
| CN203930140U (en) * | 2014-01-22 | 2014-11-05 | 江苏苏龙通信科技股份有限公司 | A kind of armored optical cable |
-
2015
- 2015-05-29 CN CN201510285693.8A patent/CN104880790A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005157385A (en) * | 2003-11-27 | 2005-06-16 | Samsung Electronics Co Ltd | Optical fiber cable and manufacturing method thereof |
| CN202305924U (en) * | 2011-08-30 | 2012-07-04 | 安徽蓝德集团股份有限公司 | Optical cable containing non-metal braided layer |
| CN202583538U (en) * | 2012-04-09 | 2012-12-05 | 安徽华鸿电气股份有限公司 | Loose tube layer stranded optical cable with aluminum-plastic composite belt |
| CN202583537U (en) * | 2012-04-09 | 2012-12-05 | 安徽华鸿电气股份有限公司 | Loose tube layer stranded optical cable with flame retardant sheath |
| CN202583546U (en) * | 2012-04-09 | 2012-12-05 | 安徽华鸿电气股份有限公司 | Direct-buried loose tube layer stranded optical cable with prevention of rodent |
| CN202917196U (en) * | 2012-09-24 | 2013-05-01 | 安徽华宇电缆集团有限公司 | Tensile wear-resistant water-proof rubber-sheathed soft cable |
| CN203930140U (en) * | 2014-01-22 | 2014-11-05 | 江苏苏龙通信科技股份有限公司 | A kind of armored optical cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150902 |