Summary of the invention
In order to address the above problem, the invention provides a kind of leading in cable, it is realized by the following technical solutions:
A kind of leading in cable is characterized in that it is to parallel and be coated on the intensive aspect 2 on tight tube fiber by tight tube fiber 1, with the tight tube fiber axle and the sheath 3 that is extruded on intensive aspect consists of; Described tight tube fiber is fine by at least one basic coloured light, be solidificated in the outer cured layer 14 of true qualities optical fiber and be coated on the outer tight sleeve layer 15 of cured layer and consist of; Described true qualities optical fiber by fibre core 11, be coated on the covering 12 on fibre core, the coat 13 that is coated on covering consists of.
Leading in cable described above is characterized in that described intensive aspect is one or more, in the time of many, is arranged in order outside the tight tube fiber circumference and distributes symmetrically; And has water blocking yarn 4 between adjacent intensive aspect.
Leading in cable described above, when it is characterized in that described true qualities optical fiber is one, cured layer is the ultra-violet curing dyed layer; When described true qualities optical fiber was many, cured layer was the ultraviolet-curing resin layer.
Any one leading in cable described above, the length that it is characterized in that in the peeling force that adopts [1N, 3N], tight sleeve layer being peeled away from cured layer is for being not less than 100mm.
A kind of leading in cable is characterized in that it is to parallel and be coated on the intensive aspect 2 on cured layer by cured layer 14, with the cured layer axle and the sheath 3 that is extruded on intensive aspect consists of; Described cured layer is tubular structure, and has at least one optical fiber in pipe; Described optical fiber by fibre core 11, be coated on covering 12 on fibre core, be coated on that coat 13 on covering consists of or by fibre core 11, be coated on covering 12 on fibre core, be coated on the coat 13 on covering and be solidificated in the outer dyed layer of coat and consist of.
Leading in cable described above is characterized in that described cured layer is polybutylene terephthalate or polypropylene.
Any one leading in cable described above is characterized in that described intensive aspect by stiffener 21 and is coated on the outer bonding coat 22 of stiffener consisting of; Bonding coat is lived the stiffener integral coating.
Any one leading in cable described above is characterized in that the xsect of described stiffener is circular or oval or fan annular or rectangle.
Any one leading in cable described above is characterized in that described intensive aspect is cylindrical or cuboid or fan annulated column shape.
Any one leading in cable described above is characterized in that described intensive aspect is made of stiffener 21 and the bonding coat 22 that is bonded in the stiffener surface; Be bonded in the stiffener upper surface for upper tack coat 221, be bonded in the stiffener lower surface for lower tack coat 222.
Any one leading in cable described above is characterized in that described upper tack coat is low-smoke non-halogen flame-retardant tygon or Polyvinylchloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene; Described lower tack coat is Polyvinylchloride.
Any one leading in cable described above is characterized in that described intensive aspect is cuboid; Described stiffener is also cuboid; On arbitrary xsect, the length of stiffener equals the length of intensive aspect.
Any one leading in cable described above is characterized in that described stiffener is aramid yarn or glass fiber yarn or aluminium strip or steel band or glass fiber tape.
Any one leading in cable described above is characterized in that described sheath is low-smoke non-halogen flame-retardant tygon or Polyvinylchloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene.
Any one leading in cable described above is characterized in that described tight sleeve layer is Polyvinylchloride.
Any one leading in cable described above is characterized in that it is that the withdrawing power scope of 100mm is [0.2N, 15N] that sheath withdrawing from the intensive aspect is opened length.
In the present invention's one class embodiment, bonding coat outside it consists of intensive aspect by stiffener and integral coating, when sheath and tight sleeve layer all are Polyvinylchloride, bonding coat is also Polyvinylchloride, when producing, only need first intensive aspect to be carried out suitable preheating, when extruding sheath, the bonding coat of intensive aspect just closely sticks into sheath, tight sleeve layer and is structure as a whole, and makes like this optical cable have superior mechanical property, environmental performance, adhesive property, counter-bending, anti-torsion performance; Guaranteed simultaneously the stripping performance of optical cable and the performance of short section construction, made optical cable can be applicable to indoor and outdoors.
In the another kind of embodiment of the present invention, intensive aspect is made of the bonding coat of stiffener and upper and lower bonding, and described upper tack coat has identical material with sheath; Lower tack coat is Polyvinylchloride, and is identical with the tight sleeve layer material; When producing, only need first intensive aspect to be carried out suitable preheating, when extruding sheath, the bonding coat of intensive aspect just closely sticks into sheath, tight sleeve layer and is structure as a whole, and makes like this optical cable have superior mechanical property, environmental performance, adhesive property, counter-bending, anti-torsion performance; Guaranteed simultaneously the stripping performance of optical cable and the performance of short section construction, made optical cable can be applicable to indoor and outdoors.
And, because the stiffener in intensive aspect is aramid yarn or glass fiber yarn or aluminium strip or steel band or glass fiber tape, therefore strengthened widely the intensity of optical cable, make optical cable tensile stronger.
Intensive aspect is coated on outside tight tube fiber or cured layer, and is more effective to the protection of optical fiber, reduced widely the improper fracture of optical fiber.
The present invention has following main beneficial effect: make simple, easily industrialization, easily batch production, mechanical property, environmental performance, adhesive property, counter-bending, the anti-torsion performance is more superior, can be applicable to indoor and outdoors.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
Ask for an interview Fig. 1 to Fig. 4, a kind of leading in cable is characterized in that it is to parallel and be coated on the intensive aspect 2 on tight tube fiber by tight tube fiber 1, with the tight tube fiber axle and the sheath 3 that is extruded on intensive aspect consists of; Described tight tube fiber is fine by a basic coloured light, be solidificated in the outer cured layer 14 of true qualities optical fiber and be coated on the outer tight sleeve layer 15 of cured layer and consist of; Described true qualities optical fiber by fibre core 11, be coated on the covering 12 on fibre core, the coat 13 that is coated on covering consists of; Described intensive aspect is the six roots of sensation and is arranged in order outside the tight tube fiber circumference and distributes symmetrically; Cured layer is the ultra-violet curing dyed layer; The length of tight sleeve layer being peeled away from cured layer in the peeling force that adopts [1N, 3N] is for being not less than 100mm; Intensive aspect is by stiffener 21 and be coated on the outer bonding coat 22 of stiffener and consist of; Bonding coat is lived the stiffener integral coating; The xsect of stiffener is the fan annular; Intensive aspect is fan annulated column shape; Described tight sleeve layer is Polyvinylchloride; Described stiffener is aramid yarn or glass fiber yarn or aluminium strip or steel band or glass fiber tape; Described sheath is Polyvinylchloride; Bonding coat is Polyvinylchloride; It is that the withdrawing power scope of 100mm is [0.2N, 15N] that sheath withdrawing from the intensive aspect is opened length.
Certainly, leading in cable described above is characterized in that the xsect of described stiffener also can be circle or ellipse or rectangle.
Certainly, leading in cable described above is characterized in that described intensive aspect is cylindrical or cuboid.
Embodiment 2
Ask for an interview Fig. 5, and referring to figs. 1 to Fig. 4, a kind of leading in cable, substantially with embodiment 1, difference is to have water blocking yarn 4 between adjacent intensive aspect.
Embodiment 3
Ask for an interview Fig. 6 to Fig. 8, a kind of leading in cable is characterized in that it is to parallel and be coated on the intensive aspect 2 on tight tube fiber by tight tube fiber 1, with the tight tube fiber axle and the sheath 3 that is extruded on intensive aspect consists of; Described tight tube fiber is fine by a basic coloured light, be solidificated in the outer cured layer 14 of true qualities optical fiber and be coated on the outer tight sleeve layer 15 of cured layer and consist of; Described true qualities optical fiber by fibre core 11, be coated on the covering 12 on fibre core, the coat 13 that is coated on covering consists of; Described intensive aspect is one and is coated on outside the tight tube fiber circumference; Cured layer is the ultra-violet curing dyed layer; The length of tight sleeve layer being peeled away from cured layer in the peeling force that adopts [1N, 3N] is for being not less than 100mm; Intensive aspect is by stiffener 21 and be coated on the outer bonding coat 22 of stiffener and consist of; Bonding coat is lived the stiffener integral coating; The xsect of stiffener is rectangle; Intensive aspect is fan annulated column cuboid; It is that the withdrawing power scope of 100mm is [0.2N, 15N] that sheath withdrawing from the intensive aspect is opened length.
Certainly, leading in cable described above is characterized in that the xsect of described stiffener also can be circle or oval or fan annular.
Certainly, leading in cable described above is characterized in that described intensive aspect is cylindrical or fan annulated column shape.
Certainly, leading in cable described above, described intensive aspect also can be many.
Embodiment 4
Ask for an interview Fig. 9, and with reference to figure 6 to Fig. 8, a kind of leading in cable, substantially with embodiment 3, difference is that described true qualities optical fiber is many, cured layer is the ultraviolet-curing resin layer.
In the invention process example 1 to 4, bonding coat outside it consists of intensive aspect by stiffener and integral coating, when sheath and tight sleeve layer all are Polyvinylchloride, bonding coat is also Polyvinylchloride, when producing, only need first intensive aspect to be carried out suitable preheating, when extruding sheath, the bonding coat of intensive aspect just closely sticks into sheath, tight sleeve layer and is structure as a whole, and makes like this optical cable have superior mechanical property, environmental performance, adhesive property, counter-bending, anti-torsion performance; Guaranteed simultaneously the stripping performance of optical cable and the performance of short section construction, made optical cable can be applicable to indoor and outdoors.
Embodiment 5
Ask for an interview Figure 10 to Figure 13 and referring to figs. 1 to Fig. 9, a kind of leading in cable, substantially with embodiment 4, difference is: described intensive aspect is made of stiffener 21 and the bonding coat 22 that is bonded in the stiffener surface; Be bonded in the stiffener upper surface for upper tack coat 221, be bonded in the stiffener lower surface for lower tack coat 222; Described upper tack coat is low-smoke non-halogen flame-retardant tygon or Polyvinylchloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene; Described lower tack coat is Polyvinylchloride; Described intensive aspect is cuboid; Described stiffener is also cuboid; On arbitrary xsect, the length of stiffener equals the length of intensive aspect.
Certainly, leading in cable described above is characterized in that described stiffener can be aramid yarn or glass fiber yarn or aluminium strip or steel band or glass fiber tape.
Certainly, leading in cable described above is characterized in that described sheath can be low-smoke non-halogen flame-retardant tygon or Polyvinylchloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene.
Embodiment 6
Ask for an interview Figure 14 and Figure 15, and referring to figs. 1 to Figure 13, a kind of leading in cable is characterized in that it is to parallel and be coated on the intensive aspect 2 on cured layer by cured layer 14, with the cured layer axle and the sheath 3 that is extruded on intensive aspect consists of; Described cured layer is tubular structure, and has at least one optical fiber in pipe; Described optical fiber by fibre core 11, be coated on covering 12 on fibre core, be coated on that coat 13 on covering consists of or by fibre core 11, be coated on covering 12 on fibre core, be coated on the coat 13 on covering and be solidificated in the outer dyed layer of coat and consist of; Draw to dissect schematic diagram, thus label 11,12,2 do not mark, but can be referring to figs. 1 to Figure 13; The length of tight sleeve layer being peeled away from cured layer in the peeling force that adopts [1N, 3N] is for being not less than 100mm; It is that the withdrawing power scope of 100mm is [0.2N, 15N] that sheath withdrawing from the intensive aspect is opened length.
Leading in cable described above is characterized in that described cured layer is polybutylene terephthalate or polypropylene.
In the invention process example 5,6, intensive aspect is made of the bonding coat of stiffener and upper and lower bonding, and described upper tack coat has identical material with sheath; Lower tack coat is Polyvinylchloride, and is identical with the tight sleeve layer material; When producing, only need first intensive aspect to be carried out suitable preheating, when extruding sheath, the bonding coat of intensive aspect just closely sticks into sheath, tight sleeve layer and is structure as a whole, and makes like this optical cable have superior mechanical property, environmental performance, adhesive property, counter-bending, anti-torsion performance; Guaranteed simultaneously the stripping performance of optical cable and the performance of short section construction, made optical cable can be applicable to indoor and outdoors.
And, because the stiffener in intensive aspect is aramid yarn or glass fiber yarn or aluminium strip or steel band or glass fiber tape, therefore strengthened widely the intensity of optical cable, make optical cable tensile stronger.
Intensive aspect is coated on outside tight tube fiber or cured layer, and is more effective to the protection of optical fiber, reduced widely the improper fracture of optical fiber.
Certainly, in above-mentioned arbitrary embodiment, all can adopt Fig. 3, Fig. 4; Fig. 6, Fig. 7; And the intensive aspect in Figure 10, Figure 11.
Certainly, in above-mentioned arbitrary embodiment, true qualities optical fiber can be many, and many time, true qualities optical fiber is outer can also dyed layer.
Any one leading in cable described above is characterized in that described intensive aspect can be one or more, in the time of many, is arranged in order outside the tight tube fiber circumference and distributes symmetrically; And has water blocking yarn 4 between adjacent intensive aspect.
Any one leading in cable described above, when it is characterized in that described true qualities optical fiber is one, cured layer is the ultra-violet curing dyed layer; When described true qualities optical fiber was many, cured layer was the ultraviolet-curing resin layer.
Any one leading in cable described above, the length that it is characterized in that in the peeling force that adopts [1N, 3N], tight sleeve layer being peeled away from cured layer is for being not less than 100mm.
Any one leading in cable described above is characterized in that described intensive aspect by stiffener 21 and is coated on the outer bonding coat 22 of stiffener consisting of; Bonding coat is lived the stiffener integral coating.
Any one leading in cable described above is characterized in that the xsect of described stiffener is circular or oval or fan annular or rectangle.
Any one leading in cable described above is characterized in that described intensive aspect is cylindrical or cuboid or fan annulated column shape.
Any one leading in cable described above is characterized in that described intensive aspect is made of stiffener 21 and the bonding coat 22 that is bonded in the stiffener surface; Be bonded in the stiffener upper surface for upper tack coat 221, be bonded in the stiffener lower surface for lower tack coat 222.
Any one leading in cable described above is characterized in that described upper tack coat is low-smoke non-halogen flame-retardant tygon or Polyvinylchloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene; Described lower tack coat is Polyvinylchloride or the material identical with tight sleeve layer.
Any one leading in cable described above is characterized in that described intensive aspect is cuboid; Described stiffener is also cuboid; On arbitrary xsect, the length of stiffener equals the length of intensive aspect.
Any one leading in cable described above is characterized in that described stiffener is aramid yarn or glass fiber yarn or aluminium strip or steel band or glass fiber tape.
Any one leading in cable described above is characterized in that described sheath is low-smoke non-halogen flame-retardant tygon or Polyvinylchloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene.
Any one leading in cable described above is characterized in that described tight sleeve layer is Polyvinylchloride.
Any one leading in cable described above is characterized in that it is that the withdrawing power scope of 100mm is [0.2N, 15N] that sheath withdrawing from the intensive aspect is opened length.
The present invention has following main beneficial effect: make simple, easily industrialization, easily batch production, mechanical property, environmental performance, adhesive property, counter-bending, the anti-torsion performance is more superior, can be applicable to indoor and outdoors.
The present invention is not limited to above-mentioned preferred forms, should be appreciated that design of the present invention can be by other various forms enforcement utilizations, and they drop in protection scope of the present invention equally.