CN103852846A - Self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly optical cable - Google Patents
Self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly optical cable Download PDFInfo
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- CN103852846A CN103852846A CN201410117336.6A CN201410117336A CN103852846A CN 103852846 A CN103852846 A CN 103852846A CN 201410117336 A CN201410117336 A CN 201410117336A CN 103852846 A CN103852846 A CN 103852846A
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Abstract
The invention relates to the technical field of communication optical cables, and particularly relates to a self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly optical cable which comprises an optical fiber and an outer sheath, wherein the optical fiber is externally wrapped by a butterfly sub-cable sheath which is internally embedded with a reinforcement part; the butterfly sub-cable sheath is externally wrapped by a water-blocking tape; a filler is arranged between the butterfly sub-cable sheath and the water-blocking tape; and the water-blocking tape is externally wrapped by the PE (Polyethylene) outer sheath. According to the self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly cable, the butterfly sub-cable sheath is internally embedded with the reinforcement part, the overhead and pipe requirements can be satisfied at the same time without changing the structure of a butterfly sub-cable (namely, changing a continuing joint), the weight is light, the construction is convenient and rapid, the construction period and the construction cost are greatly reduced; and the self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly optical cable is applied to the occasions with complicated pavement environment, especially to the FTTH (Fiber to the Home) construction of rural areas, thereby solving the problem of application to different occasions and different section and decreasing the continuing points, so that a novel cable structure is provided for the pavement manner of the FTTH construction.
Description
Technical field
The present invention relates to communications optical cable technical field, be specifically related to a kind of can self-supporting the built on stilts and dual-purpose butterfly optical cable of indoor and outdoor that pipeline is introduced.
Background technology
Butterfly leading in cable is divided into non-self-bearing type, self-bearing type, duct type three types optical cable, is the main access way of current FTTH family to family.Non-self-bearing type, self-bearing type butterfly leading in cable sheath generally adopt polyolefin or Polyvinylchloride, restrictive coating has good fire resistance, reinforcement and self-supporting part can adopt metal (great majority adopt steel wire or steel strand wires) or nonmetal (GFRP, KFRP etc.) reinforcement according to specific requirement, this type of optical cable adopts disposable the extruding of plsitive mold to process, and sheath is directly coated on optical fiber and reinforcement; Duct type butterfly leading in cable, on non-self-bearing type butterfly leading in cable basis, increases one deck waterstop and aluminium strip, finally sheath tygon (PE) material again.These three kinds of structures are at present domestic family's broadband indoor optical cable structures that use on a large scale, and cable configuration is quite ripe.
Along with the great development that FTTH builds in recent years, the laying environment that FTTH builds is comparatively complicated, not only requires networking flexibility convenient, with low cost, and requires site operation convenient.The paving mode of three original large main flow indoor optical cable structures, can not meet construction laying demand, completely if run into special construction occasion, such as need be by pipeline, built on stilts registering one's residence, originally needed to adopt two kinds of optical cable combinations, and need to increase splicing point, this brings more inconvenience to construction.
Summary of the invention
For the deficiency existing in prior art, the invention provides a kind of collect built on stilts, pipeline one, easy construction, short construction period can self-supporting be built on stilts and pipeline is introduced the dual-purpose butterfly optical cable of indoor and outdoor.
To achieve these goals, the present invention realizes by the following technical solutions:
A kind of can self-supporting the built on stilts and dual-purpose butterfly optical cable of indoor and outdoor that pipeline is introduced, comprise optical fiber and oversheath, optical fiber outer cladding described in it the is embedded sub-cable sheath of butterfly of reinforcement, the sub-cable sheath of butterfly outer cladding waterstop, between the sub-cable sheath of butterfly and waterstop, filling material is set, waterstop outer cladding the is embedded PE oversheath of reinforcement.
Above-mentioned a kind of dual-purpose butterfly optical cable of indoor and outdoor that can self-supporting is built on stilts and pipeline is introduced, the embedded reinforcement direction of the sub-cable sheath of butterfly described in it the reinforcement direction embedded with PE oversheath is consistent.
Above-mentioned a kind of dual-purpose butterfly optical cable of indoor and outdoor that can self-supporting is built on stilts and pipeline is introduced, the filling material described in it is water blocking yarn and aramid yarn.
Above-mentioned a kind of dual-purpose butterfly optical cable of indoor and outdoor that can self-supporting is built on stilts and pipeline is introduced, the sub-cable sheath of butterfly described in it adopts squash type structure.
Above-mentioned a kind of dual-purpose butterfly optical cable of indoor and outdoor that can self-supporting is built on stilts and pipeline is introduced, the sub-cable sheath of butterfly described in it adopts polyolefin LSZH material to make.
Above-mentioned a kind of dual-purpose butterfly optical cable of indoor and outdoor that can self-supporting is built on stilts and pipeline is introduced, the embedded reinforcement of the reinforcement that the sub-cable sheath of butterfly described in it is embedded and PE oversheath is 2.
Beneficial effect:
The present invention is at the embedded reinforcement of the sub-cable sheath of butterfly, in the situation that not changing the sub-cable structure of butterfly, (do not change the joint that continues), can meet built on stilts simultaneously, pipeline demand, lightweight, easy construction is quick, construction period and construction cost are reduced greatly, apply to lay the comparatively complicated occasion of environment, particularly the FTTH of rural area builds, solve the problem that point occasion segmentation is introduced, reduce splicing point, the paving mode of building for FTTH provides a kind of novel cable configuration, reinforcement is embedded in sheath, than loose being positioned in optical cable of reinforcement, using under the reinforcement of comparable size, tensile property is more excellent, for the comparatively severe mountain area of environment, the fiber-to-the-home universal better solution that provides in the areas such as rural area.
Accompanying drawing explanation
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present invention.
Fig. 2 is process chart of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
See figures.1.and.2, the present invention includes optical fiber 1 and PE oversheath 2, the sub-cable sheath 4 of butterfly that the polyolefin LSZH material of optical fiber 1 outer cladding is embedded 2 reinforcements 3 is made, have fire-retardant, the features such as low contraction, the sub-cable sheath 4 outer cladding waterstops 5 of butterfly, the filling material 6 of water blocking yarn and aramid yarn is set between the sub-cable sheath 4 of butterfly and waterstop 5, waterstop 5 outer claddings the are embedded PE oversheath 2 of 2 reinforcements 3, PE material has good skin hardness, pulling strengrth, ESCR, the feature such as fire-retardant, be applicable to indoor and outdoor and lay use, the direction of the direction of the embedded reinforcement 3 of the sub-cable sheath 4 of the butterfly reinforcement 3 embedded with PE oversheath 2 is consistent, be that the embedded reinforcement 3 of the embedded reinforcement of the sub-cable sheath 4 of butterfly 3 and PE oversheath 2 is distributed on same straight line.
Technique of the present invention is step 1, optical fiber warehouse-in; Starting material enter factory and detect; Step 2, painted operation; At the external coating one deck of naked fibre color paint, in described color paint composition, contain light trigger, thereby produce free radical initiated polymerization by absorbing ultraviolet light, color paint is become solid-state by liquid, thereby be attached on optical fiber to close and firm, so that the identification of the color of optical fiber and engineering continue; Step 3, sub-cable sheath; Step 4, oversheath; Step 5, detection; Step 6, outbound.
The reinforcement part of the present embodiment adopts squash type structure, and reinforcement is embedded in sheath, than loose being positioned in optical cable of reinforcement, using under the reinforcement of comparable size, tensile property is more excellent, and it is completely stressed that reinforcement can reach, the drawing-resistant function of maximum performance reinforcement.Light cell mesh adopts pull-tube type design, and optical cable needs to bear certain wall pressure and preformed armor rods clamping force simultaneously, between light unit and sheath, by the design of reasonable die drawn ratio, is controlled in certain interstice coverage; Structural design aspect: the embedded reinforcement direction of the sub-cable sheath of butterfly need be consistent with the embedded reinforcement direction of oversheath, need to fill some water blocking yarns and aramid yarn, reaching and block water and drawing-resistant function on the one hand, is the position of the fixing sub-cable of butterfly in cable on the other hand; Remaining long control aspect: the sub-cable sheath of butterfly adopts plsitive mold to produce, optical fiber approaches more than zero length, when simultaneously total sheath PE material, by the control to speed of production, water temperature, retractable cable tension force, can obtain required sub-cable remaining long.
Generally there is the optical cable of built on stilts demand all to adopt self-bearing type 8 shaped optical cable structures, consider that this optical cable finally need lay and register one's residence, there are the requirements such as resistance to curved, flexibility for optical cable, optical cable self-supporting reinforcement design is used reinforcement instead and is embedded in sheath, when can reducing cable outer diameter size, promote the resistance to performance such as curved, soft; This optical cable laying adopts gold utensil (strain insulator or overhanging golden tool) to be fixed installation on wire pole tower, between gold utensil and optical cable, be wound around the optical cable of holding with a firm grip (also can adopt other modes hold with a firm grip optical cable) by preformed armor rods and draw or hang, therefore optical cable must have certain anti-measuring pressure in case preformed armor rods (or other gold utensil) is held with a firm grip and damaged optical cable.
The optical cable of the present embodiment adopts nonmetal structure, butterfly cable is placed after water blocking yarn and aramid yarn directly PE sheath outward, reinforcement is embedded in after PE sheath, can greatly reduce the shrinkage factor of sheath, by the laying tension control of the sub-cable of butterfly and the takeup tension control of optical cable, can obtain stable sub-cable remaining long, guarantee mechanical property and the fade performance of optical cable.
That the present invention integrates is built on stilts, the butterfly optical cable structure of pipeline, in the situation that not changing the sub-cable structure of butterfly, (do not change the joint that continues), whole optical cable outer shell structure is improved, can meet built on stilts, pipeline demand, for Theoretical Design basis has been established in this type of multi-functional dual-purpose optical cable application simultaneously; Can greatly reduce engineering time and construction cost, the paving mode of building for FTTH provides a kind of novel cable configuration, in particular for the fiber-to-the-home universal better solution that provides in the comparatively severe area such as mountain area, rural area of environment.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
- One kind can self-supporting the built on stilts and dual-purpose butterfly optical cable of indoor and outdoor that pipeline is introduced, comprise optical fiber and oversheath, it is characterized in that, described optical fiber outer cladding the is embedded sub-cable sheath of butterfly of reinforcement, the sub-cable sheath of butterfly outer cladding waterstop, between the sub-cable sheath of butterfly and waterstop, filling material is set, waterstop outer cladding the is embedded PE oversheath of reinforcement, the embedded reinforcement direction of the sub-cable sheath of the described butterfly reinforcement direction embedded with PE oversheath is consistent.
- According to claim 1 a kind of can self-supporting the built on stilts and dual-purpose butterfly optical cable of indoor and outdoor that pipeline is introduced, it is characterized in that, described filling material is water blocking yarn and aramid yarn.
- According to claim 1 and 2 a kind of can self-supporting the built on stilts and dual-purpose butterfly optical cable of indoor and outdoor that pipeline is introduced, it is characterized in that, the sub-cable sheath of described butterfly adopts squash type structure.
- According to claim 1 and 2 a kind of can self-supporting the built on stilts and dual-purpose butterfly optical cable of indoor and outdoor that pipeline is introduced, it is characterized in that, the sub-cable sheath of described butterfly adopts polyolefin LSZH material to make.
- According to claim 1 and 2 a kind of can self-supporting the built on stilts and dual-purpose butterfly optical cable of indoor and outdoor that pipeline is introduced, it is characterized in that, the embedded reinforcement of the reinforcement that the sub-cable sheath of described butterfly is embedded and PE oversheath is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117336.6A CN103852846A (en) | 2014-03-26 | 2014-03-26 | Self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117336.6A CN103852846A (en) | 2014-03-26 | 2014-03-26 | Self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly optical cable |
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| Publication Number | Publication Date |
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| CN103852846A true CN103852846A (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410117336.6A Pending CN103852846A (en) | 2014-03-26 | 2014-03-26 | Self-supporting overhead and pipe lead-in indoor/outdoor dual-purpose butterfly optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859269A (en) * | 2021-01-18 | 2021-05-28 | 无锡市基裕通信器材有限公司 | KFRP optical cable reinforced core capable of being introduced in butterfly shape |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122052A (en) * | 2011-03-28 | 2011-07-13 | 江苏通鼎光电股份有限公司 | Indoor or outdoor self-supporting armored butterfly-shaped entrance cable |
| CN102364598A (en) * | 2011-11-03 | 2012-02-29 | 成都亨通光通信有限公司 | Self-supporting layer-stranded type optical fiber composite low-voltage optical cable for access network |
| CN202486384U (en) * | 2012-03-23 | 2012-10-10 | 长飞光纤光缆有限公司 | Self-supporting bow-type optical cable |
| CN202631817U (en) * | 2012-06-06 | 2012-12-26 | 广东亨通光电科技有限公司 | Papilionaceous lead-in optical cable for pipelines |
| CN103353648A (en) * | 2013-06-18 | 2013-10-16 | 成都亨通光通信有限公司 | Pipeline-type butterfly-shape optical cable |
| CN203275725U (en) * | 2013-05-08 | 2013-11-06 | 沈阳亨通光通信有限公司 | Reinforced rubber-covered optical cable |
| CN203825254U (en) * | 2014-03-26 | 2014-09-10 | 江苏亨通光电股份有限公司 | Indoor-outdoor dual-purpose butterfly-shaped optical cable capable of meeting self-bearing overhead and pipeline introduction requirements |
-
2014
- 2014-03-26 CN CN201410117336.6A patent/CN103852846A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122052A (en) * | 2011-03-28 | 2011-07-13 | 江苏通鼎光电股份有限公司 | Indoor or outdoor self-supporting armored butterfly-shaped entrance cable |
| CN102364598A (en) * | 2011-11-03 | 2012-02-29 | 成都亨通光通信有限公司 | Self-supporting layer-stranded type optical fiber composite low-voltage optical cable for access network |
| CN202486384U (en) * | 2012-03-23 | 2012-10-10 | 长飞光纤光缆有限公司 | Self-supporting bow-type optical cable |
| CN202631817U (en) * | 2012-06-06 | 2012-12-26 | 广东亨通光电科技有限公司 | Papilionaceous lead-in optical cable for pipelines |
| CN203275725U (en) * | 2013-05-08 | 2013-11-06 | 沈阳亨通光通信有限公司 | Reinforced rubber-covered optical cable |
| CN103353648A (en) * | 2013-06-18 | 2013-10-16 | 成都亨通光通信有限公司 | Pipeline-type butterfly-shape optical cable |
| CN203825254U (en) * | 2014-03-26 | 2014-09-10 | 江苏亨通光电股份有限公司 | Indoor-outdoor dual-purpose butterfly-shaped optical cable capable of meeting self-bearing overhead and pipeline introduction requirements |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859269A (en) * | 2021-01-18 | 2021-05-28 | 无锡市基裕通信器材有限公司 | KFRP optical cable reinforced core capable of being introduced in butterfly shape |
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Application publication date: 20140611 |