CN203164490U - Optical cable for remote radio application - Google Patents
Optical cable for remote radio application Download PDFInfo
- Publication number
- CN203164490U CN203164490U CN201320197349XU CN201320197349U CN203164490U CN 203164490 U CN203164490 U CN 203164490U CN 201320197349X U CN201320197349X U CN 201320197349XU CN 201320197349 U CN201320197349 U CN 201320197349U CN 203164490 U CN203164490 U CN 203164490U
- Authority
- CN
- China
- Prior art keywords
- optical cable
- less radio
- fiber
- frequency
- gasket
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model, which belongs to the optical cable technical field, relates to an optical cable for remote radio application. The optical cable comprises a center reinforcement member, a plurality of filling ropes, a plurality of tightly-sleeved fibers, a surrounding reinforcement member, a binding layer, and a sheath layer. The optical cable is characterized in that the filling ropes, the tightly-sleeved fibers, and the surrounding reinforcement member are distributed at intervals and are parallel to the center reinforcement member; the surrounding reinforcement member is arranged in a cable core gap formed by the center reinforcement member, the filling ropes, and the tightly-sleeved fibers; the binding layer coats the outsides of the tightly-sleeved fibers; and the sheath layer coats the outside of the binding layer by an extruding way. And the diameters of the filling ropes are greater than or equal to the diameters of the tightly-sleeved fibers. According to the utility model, problems that the tightly-sleeved fibers are easily damaged by using the cable twisting way and are easily damaged by binding by the binding layer in the prior art and the like can be solved. Moreover, the provided optical cable has the following beneficial effects: the structure is simple; the cable can be manufactured easily; the additional attenuation change of the fibers can be reduced when the optical cable is used in wide temperature range; and the optical cable has the heat-resistant performance.
Description
Technical field
The utility model belongs to the optical cable technology field, especially relates to a kind of less radio-frequency and zooms out and use optical cable
Background technology
In the base station signal transmission system, from Base Band Unit BBU(Base Band Unit) to less radio-frequency extension unit RRU(Remote Radio Unit) optical cable be called less radio-frequency and zoom out optical cable.The less radio-frequency extension unit zooms out with this locality that optical cable is mainly used in being positioned at same website, and length is generally between 100 meters to 300 meters.Along with construction and the transformation at machine station, need a large amount of less radio-frequencies to zoom out both at home and abroad and use optical cable.For this reason, the research and development of domestic existing this respect, Granted publication number zooms out optical cable and adopts two single fiber cables, two gasket for packings and outer squeeze jacket to realize for CN201689203U, name are called the twin-core circle; Adopt the stranded mode of double helix, this optical cable makes relatively more fragile optical fiber generation stress itself aborning easily, thereby causes the increase of optical fiber cables decay, and after stranded through spiral, is difficult to recover original performance.Granted publication number is that optical fiber is inserted in the beam tube of center for CN202600198U, name are called a kind of central beam tube type and zoom out optical cable, places reinforcement then outside the beam tube of center, squeezes into outside reinforcement that sheath constitutes; Because employed external reinforcement is non-metal reinforcing band, therefore in use harder, bending radius can not be fit to request for utilization.Granted publication number is called communication base station and zooms out optical cable with the embedded radio frequency of two cores for CN202600201U, name, be the filling member that fiber unit, inside have an aramid fiber to be carried out stranded, place tearing rope and then extruding that sheath forms of aramid fiber reinforcement in the filling member outside; Through after stranded, optical fiber is difficult to recover original performance, and stranded equipment input is expensive, and after stranded, speed of production obviously slows down.
In addition, because this optical cable is in the hot environment of more abominable, moist environment, therefore, for fire-retardant, the heat resistance of optical cable new requirement has been proposed also.
For this reason, zooming out of a kind of more reasonable structure of expectation appearance used optical cable in the industry
Summary of the invention
In order to address the above problem, the purpose of this utility model is that the less radio-frequency that discloses a kind of new structure zooms out and uses optical cable, and further, the utility model also will disclose its manufacture method.The utility model is achieved through the following technical solutions.
A kind of less radio-frequency zooms out uses optical cable, and it includes central reinforce member 2, many gasket for packings 1, many tight tube fibers 3, reinforcement 4, wrapping layer 5, restrictive coating 6 on every side; It is characterized in that described gasket for packing, tight tube fiber are parallel distribution around the distribution of central reinforce member space and with central reinforce member, reinforcement is arranged in the cable core gap of central reinforce member, gasket for packing, tight tube fiber formation on every side, the wrapping layer is coated on outside the tight tube fiber, and the restrictive coating extrusion molding is coated on outside the wrapping layer.
Less radio-frequency described in last embodiment of the present utility model zooms out uses optical cable, it is characterized in that the diameter of described gasket for packing is more than or equal to the diameter of tight tube fiber.
Less radio-frequency described above zooms out uses optical cable, and most preferred mode is that the diameter of gasket for packing is than the big 0.2-0.4mm of diameter of tight tube fiber.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that also having a clad 7 between wrapping layer and the restrictive coating.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that clad is that vertically coating or spiral are coated on outside the wrapping layer; The material of described clad is waterstop or nonwoven fabrics or polyester belt.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that described tight tube fiber by the true qualities that are positioned at internal layer or colored optical fiber 32, be positioned at that outer field tight sleeve layer 32 constitutes or by the true qualities that are positioned at internal layer or colored optical fiber 32, be positioned at middle transitional layer 33, the tight sleeve layer 32 that is positioned at outside the transition bed constitutes.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that described true qualities or colored optical fiber are single-mode fiber or multimode optical fiber.
Further, less radio-frequency described above zooms out uses optical cable, it is characterized in that the model of described true qualities or colored optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type.
Less radio-frequency described above zooms out uses optical cable, and the material that it is characterized in that described tight sleeve layer is Polyvinylchloride or low smoke and zero halogen tygon or teflon or nylon.
Less radio-frequency described above zooms out uses optical cable, and the material that it is characterized in that described transition bed is Polyvinylchloride or low smoke and zero halogen tygon or teflon, and the material of transition bed is different with the material of tight sleeve layer.
Less radio-frequency described above zooms out uses optical cable, and the material that it is characterized in that described gasket for packing is Low Density Polyethylene or polypropylene or Polyvinylchloride.
Less radio-frequency described above zooms out uses optical cable, and the material that it is characterized in that described central reinforce member is metal steel wire or nonmetallic materials.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that the described material of reinforcement on every side is the mixture of aramid yarn or glass fiber yarn or aramid yarn and glass fiber yarn.
Less radio-frequency described above zooms out uses optical cable, and the material that it is characterized in that described restrictive coating is high density polyethylene or low smoke and zero halogen tygon or low-smoke low-halogen tygon or Polyvinylchloride.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that described restrictive coating made by following materials in weight portion: 40～55 parts of linear low density polyethylenes, ethene-vinyl acetate co-polymer 8-20 part, silane coupling agent 2-6 part, calcium stearate 1-3 part, maleic anhydride graft vinyl acetate copolymer 15-20 part, paraffin 0.5-1.5 part, ethene-propylene copolymer 2-5 part, titanate esters 0.5-1.5 part, 2-5 parts of Firebrake ZBs, titanium dioxide 0.5-1.5 part; Polyethylene color masterbatch 0.3-1.3 part.
Preferably, less radio-frequency described above zooms out uses optical cable, it is characterized in that described restrictive coating made by following materials in weight portion: 40 parts of linear low density polyethylenes, 8 parts of ethene-vinyl acetate co-polymers, 2 parts of silane coupling agents, 1 part of calcium stearate, 15 parts of maleic anhydride graft vinyl acetate copolymers, 0.5 part in paraffin, 2 parts of ethene-propylene copolymers, 0.5 part of titanate esters, 2 parts of Firebrake ZBs, 0.5 part of titanium dioxide; 0.3 part of polyethylene color masterbatch.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that described restrictive coating made by following materials in weight portion: 55 parts of linear low density polyethylenes, 20 parts of ethene-vinyl acetate co-polymers, 6 parts of silane coupling agents, 3 parts of calcium stearates, 20 parts of maleic anhydride graft vinyl acetate copolymers, 1.5 parts in paraffin, 5 parts of ethene-propylene copolymers, 1.5 parts of titanate esters, 5 parts of Firebrake ZBs, 1.5 parts of titanium dioxides; 1.3 parts of polyethylene color masterbatch.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that described restrictive coating made by following materials in weight portion: 50 parts of linear low density polyethylenes, 16 parts of ethene-vinyl acetate co-polymers, 4 parts of silane coupling agents, 2 parts of calcium stearates, 18 parts of maleic anhydride graft vinyl acetate copolymers, 1 part in paraffin, 3 parts of ethene-propylene copolymers, 1 part of titanate esters, 3 parts of Firebrake ZBs, 1 part of titanium dioxide; 1 part of polyethylene color masterbatch.
Less radio-frequency described above zooms out uses optical cable, and the model that it is characterized in that described silane coupling agent is kh550 or kh560 or kh570.
Less radio-frequency described above zooms out uses optical cable, and it includes following manufacturing step:
The first step: true qualities optical fiber is carried out painted formation colored optical fiber, perhaps getting true qualities optical fiber;
Second step: the step that forms tight tube fiber is poly-: the true qualities optical fiber in the first step or colored optical fiber are carried out tight sleeve layer processing, namely be covered with Polyvinylchloride or low smoke and zero halogen tygon or teflon or nylon material at true qualities optical fiber or colored optical fiber outsourcing, the thickness of coating is 0.30mm～0.325mm; Or the true qualities optical fiber in the first step or colored optical fiber advanced person are advanced cross layer processing earlier, namely being covered with Polyvinylchloride or low smoke and zero halogen tygon or polytetrafluoroethylmaterial material at true qualities optical fiber or colored optical fiber outsourcing, the thickness of coating is 0.15mm～0.175mm; Again transition bed is carried out tight sleeve layer processing, namely be covered with Polyvinylchloride or low smoke and zero halogen tygon or teflon or nylon material formation tight sleeve layer in the transition bed outsourcing, the thickness of coating is 0.15mm～0.35mm; The material of tight sleeve layer is different with the material of transition bed;
The 3rd step: the step of processing gasket for packing: get Low Density Polyethylene or polypropylene or Polyvinylchloride and stretch at cable jacket extruding machine or secondary coated machine, form gasket for packing; The diameter of gasket for packing is not less than the diameter of tight tube fiber;
The 4th step: the formation less radio-frequency zooms out the step with optical cable: get central reinforce member and be placed on mould central authorities; Get the through hole that many gasket for packings and many tight tube fibers pass the central reinforce member periphery, and gasket for packing and tight tube fiber gap are placed; Getting on every side, reinforcement is filled in the cable core gap of central reinforce member, gasket for packing, tight tube fiber formation; Draw the restrictive coating extruder head that stretched, open the restrictive coating extruding machine, and open wrapping equipment simultaneously, and wrapping equipment lives to form the wrapping layer with gasket for packing, tight tube fiber wrapping on cable core, and the restrictive coating extruding machine is coated on the outer less radio-frequency that forms of wrapping layer with the restrictive coating material and zooms out and use optical cable; Wherein said restrictive coating is made by following materials in weight portion: 40～55 parts of linear low density polyethylenes, ethene-vinyl acetate co-polymer 8-20 part, silane coupling agent 2-6 part, calcium stearate 1-3 part, maleic anhydride graft vinyl acetate copolymer 15-20 part, paraffin 0.5-1.5 part, ethene-propylene copolymer 2-5 part, titanate esters 0.5-1.5 part, 2-5 parts of Firebrake ZBs, titanium dioxide 0.5-1.5 part; Polyethylene color masterbatch 0.3-1.3 part.
In the utility model, gasket for packing, tight tube fiber distribute separately, make product have stronger antitorque commentaries on classics performance; The diameter of gasket for packing is bigger than the diameter of tight tube fiber, make the wrapping layer when wrapping on cable core, can not prick bad tight tube fiber, can not influence the performance of tight tube fiber, but can make the position relative fixed of tight tube fiber, gasket for packing, and, since had the gap between tight tube fiber and the wrapping layer, therefore, when tight tube fiber is changed in-80-+100 ℃ of temperature ranges, the additional attenuation changing value of optical fiber has enlarged the scope of using widely less than 0.025dB/km.The utility model manufacture method is simple, the equipment less investment, and power consumption is low; The special restrictive coating material prescription of the utility model makes optical cable have good heat-resisting optical property and long-term heat-resisting cracking performance, and heat acclimation performance.
The utlity model has following main beneficial effect: simple in structure, easy manufacturing, the additional attenuation of optical fiber changes little when using in wide temperature range; Product is more heat-resisting.
Description of drawings
Fig. 1 is the cross-sectional structure synoptic diagram of the utility model embodiment 1.
Fig. 2 is the cross-sectional structure synoptic diagram of the utility model embodiment 2.
Fig. 3 is the cross-sectional structure synoptic diagram of the utility model embodiment 3.
Fig. 4 is the cross-sectional structure synoptic diagram of the utility model embodiment 4.
Fig. 5 is the cross-sectional structure synoptic diagram of the utility model embodiment 5.
Embodiment
Ask for an interview Fig. 1, a kind of less radio-frequency zooms out uses optical cable, and it includes central reinforce member 2, many gasket for packings 1, many tight tube fibers 3, reinforcement 4, wrapping layer 5, restrictive coating 6 on every side; It is characterized in that described gasket for packing, tight tube fiber are parallel distribution around the distribution of central reinforce member space and with central reinforce member, reinforcement is arranged in the cable core gap of central reinforce member, gasket for packing, tight tube fiber formation on every side, the wrapping layer is coated on outside the tight tube fiber, and the restrictive coating extrusion molding is coated on outside the wrapping layer; Described tight tube fiber by the true qualities that are positioned at internal layer or colored optical fiber 32, be positioned at outer field tight sleeve layer 32 and constitute; Described restrictive coating is made by following materials in weight portion: 50 parts of linear low density polyethylenes, 16 parts of ethene-vinyl acetate co-polymers, 4 parts of silane coupling agents, 2 parts of calcium stearates, 18 parts of maleic anhydride graft vinyl acetate copolymers, 1 part in paraffin, 3 parts of ethene-propylene copolymers, 1 part of titanate esters, 3 parts of Firebrake ZBs, 1 part of titanium dioxide; 1 part of polyethylene color masterbatch.
Ask for an interview Fig. 2, a kind of less radio-frequency zooms out uses optical cable, and substantially with embodiment 1, difference is to also have a clad 7 between wrapping layer and the restrictive coating; Clad is that vertically coating or spiral are coated on outside the wrapping layer; The material of described clad is waterstop or nonwoven fabrics or polyester belt.
Ask for an interview Fig. 3, a kind of less radio-frequency zooms out uses optical cable, substantially with embodiment 1, difference be described tight tube fiber by the true qualities that are positioned at internal layer or colored optical fiber 32, be positioned at middle transitional layer 33, the tight sleeve layer 32 that is positioned at outside the transition bed constitutes;
Ask for an interview Fig. 4, and in conjunction with Fig. 2, a kind of less radio-frequency zooms out uses optical cable, substantially with embodiment 3, difference is to also have a clad 7 between wrapping layer and the restrictive coating.
Ask for an interview Fig. 5, a kind of less radio-frequency zooms out uses optical cable, and substantially with embodiment 1, difference is that the diameter of described gasket for packing is more than or equal to the diameter of tight tube fiber; And most preferred mode is that the diameter of gasket for packing is than the big 0.2-0.4mm of diameter of tight tube fiber; In the present embodiment, the applicant has done test of many times, and wherein, relatively being typically the tight tube fiber diameter is 0.9mm, and the diameter of gasket for packing is 1.2mm; Among the figure, with the tangent circular arc 8 of many tight tube fibers be positioned at the tangent circular arc of many gasket for packings within, and be concentric.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, it is characterized in that the diameter of gasket for packing can be more than or equal to the diameter of tight tube fiber.
Further, less radio-frequency described above zooms out uses optical cable, it is characterized in that the diameter of described gasket for packing is than the big 0.2-0.4mm of diameter of tight tube fiber.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, it is characterized in that all can having a clad 7 between wrapping layer and the restrictive coating.
Further, less radio-frequency described above zooms out uses optical cable, it is characterized in that clad is that vertically coating or spiral are coated on outside the wrapping layer; The material of described clad is waterstop or nonwoven fabrics or polyester belt.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, it is characterized in that described tight tube fiber can be by the true qualities that are positioned at internal layer or colored optical fiber 32, be positioned at that outer field tight sleeve layer 32 constitutes or by the true qualities that are positioned at internal layer or colored optical fiber 32, be positioned at middle transitional layer 33, the tight sleeve layer 32 that is positioned at outside the transition bed constitutes.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, it is characterized in that described true qualities or colored optical fiber are single-mode fiber or multimode optical fiber.
Further, less radio-frequency described above zooms out uses optical cable, it is characterized in that the model of described true qualities or colored optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, and the material that it is characterized in that described tight sleeve layer is Polyvinylchloride or low smoke and zero halogen tygon or teflon or nylon.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, and the material that it is characterized in that described transition bed is Polyvinylchloride or low smoke and zero halogen tygon or teflon, and the material of transition bed is different with the material of tight sleeve layer.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, and the material that it is characterized in that described gasket for packing is Low Density Polyethylene or polypropylene or Polyvinylchloride.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, and the material that it is characterized in that described central reinforce member is metal steel wire or nonmetallic materials; Nonmetallic materials are glass fiber reinforced plastics.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, it is characterized in that the described material of reinforcement on every side is the mixture of aramid yarn or glass fiber yarn or aramid yarn and glass fiber yarn.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, it is characterized in that the material of described restrictive coating all can be high density polyethylene or low smoke and zero halogen tygon or low-smoke low-halogen tygon or Polyvinylchloride.
Less radio-frequency described in above-mentioned arbitrary embodiment zooms out uses optical cable, it is characterized in that described restrictive coating can also be made by following materials in weight portion: 40～55 parts of linear low density polyethylenes, ethene-vinyl acetate co-polymer 8-20 part, silane coupling agent 2-6 part, calcium stearate 1-3 part, maleic anhydride graft vinyl acetate copolymer 15-20 part, paraffin 0.5-1.5 part, ethene-propylene copolymer 2-5 part, titanate esters 0.5-1.5 part, 2-5 parts of Firebrake ZBs, titanium dioxide 0.5-1.5 part; Polyethylene color masterbatch 0.3-1.3 part.
Preferably, less radio-frequency described above zooms out uses optical cable, it is characterized in that described restrictive coating can also be made by following materials in weight portion: 40 parts of linear low density polyethylenes, 8 parts of ethene-vinyl acetate co-polymers, 2 parts of silane coupling agents, 1 part of calcium stearate, 15 parts of maleic anhydride graft vinyl acetate copolymers, 0.5 part in paraffin, 2 parts of ethene-propylene copolymers, 0.5 part of titanate esters, 2 parts of Firebrake ZBs, 0.5 part of titanium dioxide; 0.3 part of polyethylene color masterbatch.
Less radio-frequency described above zooms out uses optical cable, it is characterized in that described restrictive coating can also be made by following materials in weight portion: 55 parts of linear low density polyethylenes, 20 parts of ethene-vinyl acetate co-polymers, 6 parts of silane coupling agents, 3 parts of calcium stearates, 20 parts of maleic anhydride graft vinyl acetate copolymers, 1.5 parts in paraffin, 5 parts of ethene-propylene copolymers, 1.5 parts of titanate esters, 5 parts of Firebrake ZBs, 1.5 parts of titanium dioxides; 1.3 parts of polyethylene color masterbatch.
Less radio-frequency described above zooms out uses optical cable, and the model that it is characterized in that described silane coupling agent is kh550 or kh560 or kh570.
Less radio-frequency described above zooms out uses optical cable, and it includes following manufacturing step:
The first step: true qualities optical fiber is carried out painted formation colored optical fiber, perhaps getting true qualities optical fiber;
Second step: the step that forms tight tube fiber is poly-: the true qualities optical fiber in the first step or colored optical fiber are carried out tight sleeve layer processing, namely be covered with Polyvinylchloride or low smoke and zero halogen tygon or teflon or nylon material at true qualities optical fiber or colored optical fiber outsourcing, the thickness of coating is 0.30mm～0.325mm; Or the true qualities optical fiber in the first step or colored optical fiber advanced person are advanced cross layer processing earlier, namely being covered with Polyvinylchloride or low smoke and zero halogen tygon or polytetrafluoroethylmaterial material at true qualities optical fiber or colored optical fiber outsourcing, the thickness of coating is 0.15mm～0.175mm; Again transition bed is carried out tight sleeve layer processing, namely be covered with Polyvinylchloride or low smoke and zero halogen tygon or teflon or nylon material formation tight sleeve layer in the transition bed outsourcing, the thickness of coating is 0.15mm～0.35mm; The material of tight sleeve layer is different with the material of transition bed;
The 3rd step: the step of processing gasket for packing: get Low Density Polyethylene or polypropylene or Polyvinylchloride and stretch at cable jacket extruding machine or secondary coated machine, form gasket for packing; The diameter of gasket for packing is not less than the diameter of tight tube fiber;
The 4th step: the formation less radio-frequency zooms out the step with optical cable: get central reinforce member and be placed on mould central authorities; Get the through hole that many gasket for packings and many tight tube fibers pass the central reinforce member periphery, and gasket for packing and tight tube fiber gap are placed; Getting on every side, reinforcement is filled in the cable core gap of central reinforce member, gasket for packing, tight tube fiber formation; Draw the restrictive coating extruder head that stretched, open the restrictive coating extruding machine, and open wrapping equipment simultaneously, and wrapping equipment lives to form the wrapping layer with gasket for packing, tight tube fiber wrapping on cable core, and the restrictive coating extruding machine is coated on the outer less radio-frequency that forms of wrapping layer with the restrictive coating material and zooms out and use optical cable; Wherein said restrictive coating is made by following materials in weight portion: 40～55 parts of linear low density polyethylenes, ethene-vinyl acetate co-polymer 8-20 part, silane coupling agent 2-6 part, calcium stearate 1-3 part, maleic anhydride graft vinyl acetate copolymer 15-20 part, paraffin 0.5-1.5 part, ethene-propylene copolymer 2-5 part, titanate esters 0.5-1.5 part, 2-5 parts of Firebrake ZBs, titanium dioxide 0.5-1.5 part; Polyethylene color masterbatch 0.3-1.3 part.
In the utility model, gasket for packing, tight tube fiber distribute separately, make product have stronger antitorque commentaries on classics performance; The diameter of gasket for packing is bigger than the diameter of tight tube fiber, make the wrapping layer when wrapping on cable core, can not prick bad tight tube fiber, can not influence the performance of tight tube fiber, but can make the position relative fixed of tight tube fiber, gasket for packing, and, since had the gap between tight tube fiber and the wrapping layer, therefore, when tight tube fiber is changed in-80-+100 ℃ of temperature ranges, the additional attenuation changing value of optical fiber has enlarged the scope of using widely less than 0.025dB/km.The utility model manufacture method is simple, the equipment less investment, and power consumption is low; The special restrictive coating material prescription of the utility model makes optical cable have good heat-resisting optical property and long-term heat-resisting cracking performance, and heat acclimation performance.
The utlity model has following main beneficial effect: simple in structure, easy manufacturing, the additional attenuation of optical fiber changes little when using in wide temperature range; Product is more heat-resisting.
The utility model is not limited to above-mentioned preferred forms, should be appreciated that design of the present utility model can be by other various forms enforcement utilizations, and they drop in the protection domain of the present utility model equally.
Claims (10)
1. a less radio-frequency zooms out and uses optical cable, and it includes central reinforce member, many gasket for packings, many tight tube fibers, reinforcement, wrapping layer, restrictive coating on every side; It is characterized in that described gasket for packing, tight tube fiber are parallel distribution around the distribution of central reinforce member space and with central reinforce member, reinforcement is arranged in the cable core gap of central reinforce member, gasket for packing, tight tube fiber formation on every side, the wrapping layer is coated on outside the tight tube fiber, and the restrictive coating extrusion molding is coated on outside the wrapping layer.
2. less radio-frequency according to claim 1 zooms out and uses optical cable, and it is characterized in that has a clad between wrapping layer and the restrictive coating.
3. zoom out according to claim 1 or the described less radio-frequency of claim 2 and use optical cable, it is characterized in that the diameter of described gasket for packing is more than or equal to the diameter of tight tube fiber.
4. less radio-frequency according to claim 3 zooms out and uses optical cable, it is characterized in that the diameter of described gasket for packing is than the big 0.2-0.4mm of diameter of tight tube fiber.
5. less radio-frequency according to claim 4 zooms out and uses optical cable, and the material that it is characterized in that described gasket for packing is Low Density Polyethylene or polypropylene or Polyvinylchloride.
6. zoom out according to claim 1 or the described less radio-frequency of claim 2 and use optical cable, the material that it is characterized in that described central reinforce member is metal steel wire or nonmetallic materials.
7. zoom out according to claim 1 or the described less radio-frequency of claim 2 and use optical cable, it is characterized in that described around the material of reinforcement be the mixture of aramid yarn or glass fiber yarn or aramid yarn and glass fiber yarn.
8. zoom out according to claim 1 or the described less radio-frequency of claim 2 and use optical cable, the material that it is characterized in that described restrictive coating is high density polyethylene or low smoke and zero halogen tygon or low-smoke low-halogen tygon or Polyvinylchloride.
9. zoom out according to claim 1 or the described less radio-frequency of claim 2 and use optical cable, it is characterized in that described tight tube fiber by the true qualities that are positioned at internal layer or colored optical fiber, be positioned at that outer field tight sleeve layer constitutes or by the true qualities that are positioned at internal layer or colored optical fiber, be positioned at the middle transitional layer, the tight sleeve layer that is positioned at outside the transition bed constitutes; Described true qualities or colored optical fiber are single-mode fiber or multimode optical fiber.
10. less radio-frequency according to claim 9 zooms out and uses optical cable, it is characterized in that the model of described true qualities or colored optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320197349XU CN203164490U (en) | 2013-04-18 | 2013-04-18 | Optical cable for remote radio application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320197349XU CN203164490U (en) | 2013-04-18 | 2013-04-18 | Optical cable for remote radio application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164490U true CN203164490U (en) | 2013-08-28 |
Family
ID=49025665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320197349XU Expired - Lifetime CN203164490U (en) | 2013-04-18 | 2013-04-18 | Optical cable for remote radio application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203164490U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777295A (en) * | 2014-01-26 | 2014-05-07 | 江苏长飞中利光纤光缆有限公司 | Self-supporting optical cable with marking strips |
| CN105676391A (en) * | 2014-01-26 | 2016-06-15 | 王和根 | Marking strip composite material for optical cable jacket |
| CN105676393A (en) * | 2014-01-26 | 2016-06-15 | 王和根 | Salt-fog-resistant optical cable for electric tower |
| CN105676390A (en) * | 2014-01-26 | 2016-06-15 | 王和根 | Communication cable capable of being identified under weak light condition |
-
2013
- 2013-04-18 CN CN201320197349XU patent/CN203164490U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777295A (en) * | 2014-01-26 | 2014-05-07 | 江苏长飞中利光纤光缆有限公司 | Self-supporting optical cable with marking strips |
| CN105676391A (en) * | 2014-01-26 | 2016-06-15 | 王和根 | Marking strip composite material for optical cable jacket |
| CN105676393A (en) * | 2014-01-26 | 2016-06-15 | 王和根 | Salt-fog-resistant optical cable for electric tower |
| CN105676390A (en) * | 2014-01-26 | 2016-06-15 | 王和根 | Communication cable capable of being identified under weak light condition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103163613B (en) | Optical cable for remote radio head and manufacturing method of optical cable | |
| CN104898246B (en) | A kind of power network or communication network are tangled structure self-support cable and its manufacture method with layer | |
| CN105467538B (en) | A kind of non-metallic optical fiber cables | |
| CN203164490U (en) | Optical cable for remote radio application | |
| CN105632645A (en) | Photoelectric composite cable with compact structure | |
| CN107357013A (en) | A kind of slotted core cable and preparation method | |
| CN101697028B (en) | Method for producing layer-stranded cables in two steps and device therefor | |
| CN106125234A (en) | A kind of large core number little cable footpath anti-ant air-blowing micro-cable and processing technology thereof | |
| CN101840044A (en) | Novel fiber bundle central tube type optical cable | |
| CN205942026U (en) | Ant air -blowing micro -cable is directly prevented to big little cable of core -number | |
| CN104464951B (en) | Photoelectric mixed cable containing coaxial electrical unit and manufacture method thereof | |
| CN111474651A (en) | 500-core and above-core multi-layer stranded unrepeatered submarine optical cable | |
| CN203981934U (en) | A kind of optoelectrical cable of compact conformation | |
| CN203673118U (en) | Self-supporting optical cable | |
| CN104715860B (en) | There is the preparation method of the optoelectrical cable of special-shaped packing gasket | |
| CN204009166U (en) | A kind of non-metallic optical fiber cables | |
| CN203038725U (en) | Photoelectric composite cable | |
| CN113866921B (en) | Flexible skeleton type optical fiber ribbon optical cable and preparation method thereof | |
| CN100412591C (en) | New type of optical cable and its producing method | |
| CN105676382A (en) | Method for manufacturing photoelectric composite cable with compact structure | |
| CN104297881A (en) | Optical cable for remote radio head and manufacturing method of optical cable | |
| CN104536110B (en) | A kind of method for manufacturing remote radio head optical cable | |
| CN202230775U (en) | Carbon fiber composite material bearing type signal transmitting cable | |
| CN203054298U (en) | RF (Radio Frequency) remote optical cable for base station | |
| CN100419483C (en) | Production of optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215542 Zhongli Road, Chang Kun Industrial Park, Changshou City, Suzhou, Jiangsu, 1 Patentee after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Address before: 215542 Zhongli Road, Chang Kun Industrial Park, Changshou City, Suzhou, Jiangsu, 1 Patentee before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |