CN202256789U - Hybrid optical cable - Google Patents
Hybrid optical cable Download PDFInfo
- Publication number
- CN202256789U CN202256789U CN2011202120917U CN201120212091U CN202256789U CN 202256789 U CN202256789 U CN 202256789U CN 2011202120917 U CN2011202120917 U CN 2011202120917U CN 201120212091 U CN201120212091 U CN 201120212091U CN 202256789 U CN202256789 U CN 202256789U
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- stranded
- optical cable
- fibre ribbon
- mixed type
- type optical
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Abstract
The utility model belongs to the technical field of an optical fiber cable, and particularly relates to a hybrid optical cable. The hybrid optical cable is characterized by comprising a center reinforcement, a plurality of stranded parts, an isolation layer, optical fiber ribbons, a protection layer and a jacket layer, wherein the center reinforcement is positioned at the center of the hybrid optical cable; the stranded parts are distributed around the center reinforcement in an SZ stranded or unidirectional helical stranded mode; the isolation layer is coated outside the stranded parts; the optical fiber ribbons are longitudinally coated on the isolation layer; the protection layer is coated on the optical fiber ribbons; the jacket layer is extruded on the protection layer; at least one of the stranded parts is a loose tube containing a plurality of optical fibers; besides the loose tube, the other stranded parts are solid fillers; the optical fiber ribbons contain a plurality of parallel photoconductive fibers; the axes of the photoconductive fibers are parallel to the axis of the center reinforcement; and the optical fiber ribbons are connected end to end, but are not jointed. The hybrid optical cable has the advantages that the fiber core density is high; the fiber ribbons and loose fibers are easy to separate and identify; the optical cable has small outer diameter; the material consumption is low; the cost is low; production equipment is simple; and the like.
Description
Technical field
The utility model belongs to the optical fiber cable technical field, especially relates to a kind of diffusing shape optical fiber and the compound optical cable of fibre ribbon.
Background technology
Along with the develop rapidly of communication industry, the especially development of broadband technology, 3G network, the demand of optical fiber grows with each passing day both at home and abroad, and the record of the maximum core number of the optical fiber in the optical cable is also constantly refreshed, and the fibre core density of optical fiber also constantly increases; On the other hand, along with the develop rapidly of society, resource is more and more paid attention to by people, and therefore, people are more and clearer and more definite for the requirement of low-carbon (LC).
In the prior art; Chinese patent number is 200920165319.4, name is called fibre ribbon and fine compound optical cable, the disclosed optical cable of utility model patent that notification number is CN 201477244U of loosing; The mode that adopts banded loose sleeve pipe to combine with diffusing shape pine sleeve pipe realizes improving the purpose of density of optic fibre; The optical cable of this structure is employed in to be placed the shape pine sleeve pipe that looses and realizes that the number of fibers that this mode increases is not obvious in the gap of banded loose sleeve pipe; The disclosed optical cable of patent of invention that Chinese patent number is 200810174168.9, name is called a kind of optical fibre band optical cable, publication number is CN 1013933100A adopts fibre ribbon to realize that around the mode of central reinforce member the fibre core density of this optical cable is also limited.
The utility model content
In order to address the above problem, the purpose of the utility model is to improve the fibre core density of optical fiber in the existing layer stranded cables, and the mode that adopts fibre ribbon to combine with diffusing fibre, and the optical cable of this kind structure does not need the loose sleeve pipe process equipment of expensive band shape.For realizing the purpose of utility model, the utility model is realized through following technical scheme:
A kind of mixed type optical cable is characterized in that it comprises stranded of the stranded or stranded distribution of one-way spiral around central reinforce member SZ of a central reinforce member 4, many rhizospheres that is positioned at central authorities, is coated on the separation layer 5 of stranded outside, vertically is coated on fibre ribbon 7 on the separation layer, is wrapped in the protective seam 8 on the fibre ribbon and is extruded in the restrictive coating 9 on the protective seam; Has one in said stranded at least for including the loose sleeve pipe 1 of multifiber 2; Said except that loose sleeve pipe stranded is solid gasket for packing 3; Comprise the many light transmitting fibers 6 that are parallel to each other and place in the said fibre ribbon; Said fibre-optic axis is that the axis with central reinforce member parallels; Said fibre ribbon joins end to end and does not join.
Above-mentioned described mixed type optical cable is characterized in that said fibre ribbon is many, and the head end of next root fibre ribbon links to each other with the tail end of a last fibre ribbon, and the tail end of last root fibre ribbon links to each other with the two ends of first fibre ribbon.
Above-mentioned described mixed type optical cable is characterized in that said central reinforce member is steel wire or steel strand wires or fiberglass-reinforced plastic lever.
Above-mentioned described mixed type optical cable, the material that it is characterized in that said loose sleeve pipe is polybutylene terephthalate or modified polypropene.
Above-mentioned described mixed type optical cable is characterized in that said separation layer is vertically to coat or the radial layer stacked package is covered on stranded, and when vertically coating, it overlaps overlapping width is 2-4mm; When the radial layer stacked package was covered, adjacent isolated material was 2-4mm at the overlapping width of lap-joint.
Above-mentioned described mixed type optical cable is characterized in that said separation layer is waterstop or nonwoven fabrics or polyester belt or compound substance.
Above-mentioned described mixed type optical cable is characterized in that said protective seam is waterstop or nonwoven fabrics or polyester belt.
Further; Above-mentioned described mixed type optical cable is characterized in that said compound substance is made up of impermeable barrier, transition bed and laminating layer one, is close to stranded and locates to be waterproof and impermeable barrier gas; The thickness of impermeable barrier is 0.02-0.10mm, and the extensibility of impermeable barrier is 20%-60%; Be close to the transition bed that is of impermeable barrier, transition bed is made up of the polyfoam of 85% weight, the absorbent cotton of 12% weight and the bonding agent of 3% weight for what breathe freely; The thickness of transition bed is 0.02-0.10mm; Laminating layer is bonded on the transition bed, and the thickness of laminating layer is 0.02-0.05mm; And laminating layer is air-locked.
Above-mentioned described mixed type optical cable, the material that it is characterized in that said gasket for packing are the polypropylene of tygon or polypropylene or 95% and 5% poly amalgam.
Above-mentioned described mixed type optical cable is characterized in that said restrictive coating is low density polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon.
Above-mentioned described mixed type optical cable is characterized in that said optical fiber is G.652 type or G.655 type or G.653 type or G.654 type or G.656 type or G.657 type or A1a type or A1b type.
Above-mentioned described mixed type optical cable is characterized in that said light transmitting fiber is G.652 type or G.655 type or G.657 type.
Above-mentioned described mixed type optical cable, when it is characterized in that said loose sleeve pipe has many, loose sleeve pipe is close to placement.
Above-mentioned described mixed type optical cable is characterized in that said loose sleeve pipe has many and when many gasket for packings were arranged, the loose sleeve pipe of part was separated placement by partially filled rope.
Further, above-mentioned described mixed type optical cable is characterized in that said stranded is gone up wrapping and have and prevent that its polyester that scatters from pricking yarn.
Further, above-mentioned described mixed type optical cable is characterized in that on the said separation layer that wrapping has to prevent that its polyester that scatters from pricking yarn.
Further, above-mentioned described mixed type optical cable is characterized in that on the said fibre ribbon that wrapping has to prevent that its polyester that scatters from pricking yarn.
Further, above-mentioned described mixed type optical cable is characterized in that on the said protective seam that wrapping has to prevent that its polyester that scatters from pricking yarn.
In the utility model,, outside intertwist body, place fibre ribbon owing to adopt the cable core of common layer-stranding cable to form intertwist body; Therefore do not need expensive banded pine cover production equipment and stranded equipment, in addition, because fibre ribbon vertically is coated on the separation layer; Separation layer has the function of oil removal, water, vapour; Also have the effect that absorbs resistance, therefore, the fibre ribbon that is coated on the separation layer receives external force to influence optical property reliable and stable; In addition, because fibre ribbon and loose case off, so the use of fine band is more convenient.
So advantage such as the utlity model has big, the fine band of fibre core density and loose fine easily separated and identification, cable outer diameter is little, material consumption is few, cost is low, production equipment is simple.
Description of drawings
Fig. 1 is the cross-sectional structure synoptic diagram of the utility model embodiment 1;
Fig. 2 is the perspective view after the partly cut-away of the utility model embodiment 1;
Fig. 3 is the cross-sectional structure synoptic diagram of the utility model embodiment 2;
Fig. 4 is the cross-sectional structure synoptic diagram of the utility model embodiment 3.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
See also Fig. 1 and Fig. 2; A kind of mixed type optical cable is characterized in that it comprises stranded of the stranded or stranded distribution of one-way spiral around central reinforce member SZ of a central reinforce member 4, many rhizospheres that is positioned at central authorities, is coated on the separation layer 5 of stranded outside, vertically is coated on fibre ribbon 7 on the separation layer, is wrapped in the protective seam 8 on the fibre ribbon and is extruded in the restrictive coating 9 on the protective seam; There are 4 in said stranded for including the loose sleeve pipe 1 of multifiber 2; Said except that loose sleeve pipe stranded is 1 solid gasket for packing 3; Comprise the many light transmitting fibers 6 that are parallel to each other and place in the said fibre ribbon; Said fibre-optic axis is that the axis with central reinforce member parallels; Said fibre ribbon joins end to end and does not join; Said central reinforce member is a steel wire; The material of said loose sleeve pipe is a polybutylene terephthalate; Said separation layer is vertically to be coated on stranded, and when vertically coating, it overlaps overlapping width is 2-4mm; Said separation layer is a compound substance, and said compound substance is made up of impermeable barrier, transition bed and laminating layer one, is close to stranded and locates to be waterproof and impermeable barrier gas, and the thickness of impermeable barrier is 0.02-0.10mm, and the extensibility of impermeable barrier is 20%-60%; Be close to the transition bed that is of impermeable barrier, transition bed is made up of the polyfoam of 85% weight, the absorbent cotton of 12% weight and the bonding agent of 3% weight for what breathe freely; The thickness of transition bed is 0.02-0.10mm; Laminating layer is bonded on the transition bed, and the thickness of laminating layer is 0.02-0.05mm; And laminating layer is air-locked; Said protective seam is a waterstop; The material of said gasket for packing is a polypropylene; Said restrictive coating is a medium density polyethylene; Said optical fiber is type G.652; Said light transmitting fiber is type G.652; Said loose sleeve pipe has 4, and loose sleeve pipe is close to placement.
Ask for an interview Fig. 3 and with reference to figure 2; A kind of mixed type optical cable is characterized in that it comprises stranded of the stranded or stranded distribution of one-way spiral around central reinforce member SZ of a central reinforce member 4, many rhizospheres that is positioned at central authorities, is coated on the separation layer 5 of stranded outside, vertically is coated on fibre ribbon 7 on the separation layer, is wrapped in the protective seam 8 on the fibre ribbon and is extruded in the restrictive coating 9 on the protective seam; There are 3 in said stranded for including the loose sleeve pipe 1 of multifiber 2; Said except that loose sleeve pipe stranded is 2 solid gasket for packings 3; Comprise the many light transmitting fibers 6 that are parallel to each other and place in the said fibre ribbon; Said fibre-optic axis is that the axis with central reinforce member parallels; Said fibre ribbon joins end to end and does not join; Said central reinforce member is a fiberglass-reinforced plastic lever; The material of said loose sleeve pipe is a modified polypropene; Said separation layer is that the radial layer stacked package is covered on stranded, and adjacent isolated material is 2-4mm at the overlapping width of lap-joint; Said separation layer is a waterstop; Said protective seam is a nonwoven fabrics; The material of said gasket for packing is a tygon; Said restrictive coating is a low density polyethylene; Said optical fiber is type G.652; Said light transmitting fiber is type G.657; Said loose sleeve pipe is close to placement.
Ask for an interview Fig. 4 and with reference to figure 2 and Fig. 3, a kind of mixed type optical cable, with embodiment 2, difference is basically: said 3 loose sleeve pipes are separated by 2 gasket for packings, and a place is 1, and another place is 2, make the weight of optical cable more balanced like this.
Certainly; Mixed type optical cable described in above-mentioned arbitrary embodiment; It is characterized in that said fibre ribbon can be many, the head end of next root fibre ribbon links to each other with the tail end of a last fibre ribbon, and the tail end of last root fibre ribbon links to each other with the two ends of first fibre ribbon.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said central reinforce member is steel wire or steel strand wires or fiberglass-reinforced plastic lever.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment, the material that it is characterized in that said loose sleeve pipe is polybutylene terephthalate or modified polypropene.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said separation layer is vertically to coat or the radial layer stacked package is covered on stranded, and when vertically coating, it overlaps overlapping width is 2-4mm; When the radial layer stacked package was covered, adjacent isolated material was 2-4mm at the overlapping width of lap-joint.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said separation layer is waterstop or nonwoven fabrics or polyester belt or compound substance.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said protective seam is waterstop or nonwoven fabrics or polyester belt.
Further; Mixed type optical cable described in above-mentioned arbitrary embodiment; It is characterized in that said compound substance is made up of impermeable barrier, transition bed and laminating layer one; Be close to stranded and locate to be waterproof and impermeable barrier gas, the thickness of impermeable barrier is 0.02-0.10mm, and the extensibility of impermeable barrier is 20%-60%; Be close to the transition bed that is of impermeable barrier, transition bed is made up of the polyfoam of 85% weight, the absorbent cotton of 12% weight and the bonding agent of 3% weight for what breathe freely; The thickness of transition bed is 0.02-0.10mm; Laminating layer is bonded on the transition bed, and the thickness of laminating layer is 0.02-0.05mm; And laminating layer is air-locked.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment, the material that it is characterized in that said gasket for packing are the polypropylene of tygon or polypropylene or 95% and 5% poly amalgam.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said restrictive coating is low density polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said optical fiber is G.652 type or G.655 type or G.653 type or G.654 type or G.656 type or G.657 type or A1a type or A1b type.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said light transmitting fiber is G.652 type or G.655 type or G.657 type.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment, when it is characterized in that said loose sleeve pipe has many, loose sleeve pipe is close to placement.
Certainly, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said loose sleeve pipe has many and when many gasket for packings were arranged, the loose sleeve pipe of part was separated placement by partially filled rope.
Further, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that said stranded is gone up wrapping and have and prevent that its polyester that scatters from pricking yarn.
Further, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that on the said separation layer that wrapping has to prevent that its polyester that scatters from pricking yarn.
Further, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that on the said fibre ribbon that wrapping has to prevent that its polyester that scatters from pricking yarn.
Further, the mixed type optical cable described in above-mentioned arbitrary embodiment is characterized in that on the said protective seam that wrapping has to prevent that its polyester that scatters from pricking yarn.
Like this, can make the structure of overall optical cable more reliable and more stable, the more reliable performance of optical cable.
In the utility model,, outside intertwist body, place fibre ribbon owing to adopt the cable core of common layer-stranding cable to form intertwist body; Therefore do not need expensive banded pine cover production equipment and stranded equipment, in addition, because fibre ribbon vertically is coated on the separation layer; Separation layer has the function of oil removal, water, vapour; Also have the effect that absorbs resistance, therefore, the fibre ribbon that is coated on the separation layer receives external force to influence optical property reliable and stable; In addition, because fibre ribbon and loose case off, so the use of fine band is more convenient.
So advantage such as the utlity model has big, the fine band of fibre core density and loose fine easily separated and identification, cable outer diameter is little, material consumption is few, cost is low, production equipment is simple.
The utility model is not limited to above-mentioned preferred forms, should be appreciated that the design of the utility model can be implemented utilization by other various forms, and they drop in the protection domain of the utility model equally.
Claims (5)
1. mixed type optical cable is characterized in that it comprises one and is positioned at stranded of the stranded or stranded distribution of one-way spiral around central reinforce member SZ of the central reinforce member (4) of central authorities, many rhizospheres, is coated on the separation layer (5) of stranded outside, vertically is coated on fibre ribbon (7) on the separation layer, is wrapped in the protective seam (8) on the fibre ribbon and is extruded in the restrictive coating (9) on the protective seam; Has one in said stranded at least for including the loose sleeve pipe (1) of multifiber (2); Said except that loose sleeve pipe stranded is solid gasket for packing (3); Comprise the many light transmitting fibers (6) that are parallel to each other and place in the said fibre ribbon; Said fibre-optic axis is that the axis with central reinforce member parallels; Said fibre ribbon joins end to end and does not join.
2. mixed type optical cable according to claim 1 is characterized in that said fibre ribbon is many, and the head end of next root fibre ribbon links to each other with the tail end of a last fibre ribbon, and the tail end of last root fibre ribbon links to each other with the two ends of first fibre ribbon.
3. according to claim 1 or described any one mixed type optical cable of claim 2, it is characterized in that said central reinforce member is steel wire or steel strand wires or fiberglass-reinforced plastic lever; The material of said loose sleeve pipe is polybutylene terephthalate or modified polypropene.
4. according to claim 1 or described any one mixed type optical cable of claim 2, it is characterized in that said separation layer is vertically to coat or the radial layer stacked package is covered on stranded, and when vertically coating, it overlaps overlapping width is 2-4mm; When the radial layer stacked package was covered, adjacent isolated material was 2-4mm at the overlapping width of lap-joint.
5. mixed type optical cable according to claim 4 is characterized in that said separation layer is waterstop or nonwoven fabrics or polyester belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120917U CN202256789U (en) | 2011-06-21 | 2011-06-21 | Hybrid optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120917U CN202256789U (en) | 2011-06-21 | 2011-06-21 | Hybrid optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256789U true CN202256789U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202120917U Expired - Fee Related CN202256789U (en) | 2011-06-21 | 2011-06-21 | Hybrid optical cable |
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| CN (1) | CN202256789U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313944A (en) * | 2011-06-21 | 2012-01-11 | 蒋菊生 | Hybrid optical cable |
| CN104777569A (en) * | 2015-04-08 | 2015-07-15 | 江苏中天科技股份有限公司 | Non-metal armoring enhancement type self-supporting optical fiber cable |
| CN107561660A (en) * | 2015-04-23 | 2018-01-09 | 龚利芬 | Layer-stranding cable and preparation method with gasket for packing |
| CN114994849A (en) * | 2022-08-01 | 2022-09-02 | 苏州胜信光电科技有限公司 | Portable optical fiber ribbon optical cable for access network and preparation method |
-
2011
- 2011-06-21 CN CN2011202120917U patent/CN202256789U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313944A (en) * | 2011-06-21 | 2012-01-11 | 蒋菊生 | Hybrid optical cable |
| CN104777569A (en) * | 2015-04-08 | 2015-07-15 | 江苏中天科技股份有限公司 | Non-metal armoring enhancement type self-supporting optical fiber cable |
| CN104777569B (en) * | 2015-04-08 | 2018-09-07 | 江苏中天科技股份有限公司 | The enhanced self-support cable of non-metallic sheath |
| CN107561660A (en) * | 2015-04-23 | 2018-01-09 | 龚利芬 | Layer-stranding cable and preparation method with gasket for packing |
| CN107561660B (en) * | 2015-04-23 | 2020-09-25 | 华能(泰安)光电科技有限公司 | Layer-stranded optical cable with filling rope and manufacturing method |
| CN114994849A (en) * | 2022-08-01 | 2022-09-02 | 苏州胜信光电科技有限公司 | Portable optical fiber ribbon optical cable for access network and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20130621 |