CN104614825A - High-temperature resistant miniature armored optical cable and production method thereof - Google Patents
High-temperature resistant miniature armored optical cable and production method thereof Download PDFInfo
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- CN104614825A CN104614825A CN201410823699.1A CN201410823699A CN104614825A CN 104614825 A CN104614825 A CN 104614825A CN 201410823699 A CN201410823699 A CN 201410823699A CN 104614825 A CN104614825 A CN 104614825A
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/441—Optical cables built up from sub-bundles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
Abstract
The invention relates to a high-temperature resistant miniature armored optical cable which is characterized by comprising an optical fiber, a bushing, an engineering plastic wrapped tube or steel band wrapped and armored tube, an aramid fiber woven mesh or a steel wire woven mesh and an external protective cover from inside to outside in sequence; the optical fiber structure is of a dry type structure; and the engineering plastic wrapped tube is of a spiral shape. The high-temperature resistant miniature armored optical cable is simple in structure, safe and reliable, convenient in use and lower in cost; the produced optical fiber is higher in high-temperature resistance and fire resistance, good in anti-tensioning ability and convenient in large-scale promotion and application.
Description
Technical field
The present invention relates to a kind of optical cable, particularly relate to a kind of high-temp-resistant micro armored optical cable and production method thereof, belong to communication technical field.
Background technology
Optical cable manufactures in order to the performance specification meeting optics, machinery or environment, it is the communications cable assembly utilizing one or more optical fiber being placed in coated sheath also can use separately or in groups as transmission medium, be widely used in the communications industry, popularizing and applying on a large scale along with optical cable, also following problem is there is: 1) tensile energy of optical cable is poor, and serviceable life is shorter in the application of reality; 2) optical cable high temperature resistant, anti-flammability is poor; 3) bending radius of optical cable is larger, heavier mass, and floor area is large, and construction is inconvenient; 4) cost of optical cable is higher, adds the cost of enterprise, and this is more ubiquitous phenomenons of optical cable in prior art.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses a kind of high-temp-resistant micro armored optical cable and production method thereof, this technical scheme structure is simple, safe and reliable, easy to use, cost is lower, and the optical cable produced is high temperature resistant, anti-flammability is higher, there is good anti-tensile resistance to tension, be convenient to apply on a large scale.
To achieve these goals, technical scheme of the present invention is as follows, high-temp-resistant micro armored optical cable, it is characterized in that, described optical cable is followed successively by optical fiber, sleeve pipe, the wrapped pipe of engineering plastics or the wrapped armour pipe of steel band, aramid fiber mesh grid or braided steel wire net and oversheath from inside to outside, described optical fiber structure is dry construction, and the wrapped pipe of described engineering plastics is set to spiral-shaped.Described fiber selection anti-tensile optical fiber, the tensile strength of ordinary optic fibre is 40-50N, and the tensile strength of anti-tensile optical fiber can reach 100N, thus the serviceable life of optical cable can in use be considerably increased, aramid fiber mesh grid in this technical scheme and braided steel wire netting gear have good tensile strength, and steel band wrapped armour pipe optical cable has the good mechanical property such as shock resistance, anti-pressure measurement.The design of this cable configuration is ingenious, and have good tension and anti-pressure measurement ability, this optical cable has very little bending radius, conserve space, easy construction.
As a modification of the present invention, described shell material is modified polypropene, is called for short PP.
As a modification of the present invention, describedly in modified polypropene, add fire resistant resin, halogen-free flame retardants, wherein fire resistant resin ratio: 25%-50%; Halogen-free flame retardants: 25%-50%; MODIFIED PP is had high temperature resistant, the characteristic such as fire-retardant, thus make this optical cable have heat-resisting quantity and higher anti-flammability.
As a modification of the present invention, the wrapped pipe of described engineering plastics adopts polycarbonate, is called for short PC.PC is heat-resisting, shock resistance, has anti-flammability, makes this optical cable have stronger impact resistance and anti-flammability.
As a modification of the present invention, described oversheath adopts modified polyurethane to be called for short TPU.
As a modification of the present invention, in described modified polyurethane, add fire resistant resin, halogen-free flame retardants, wherein fire resistant resin ratio: 25%-50%; Halogen-free flame retardants: 25%-50%; Further increase heat-resisting quantity and the anti-flammability of this optical cable.
A kind of production method of high-temp-resistant micro armored optical cable, it is characterized in that, described method comprises two procedures, and wherein optical cable is the wrapped repackings of engineering plastics, first operation is specific as follows, 11) optical fiber is released by pay off rack, and optical fiber adopts anti-tensile optical fiber, and laying tension is 150g-300g, 12) optical fiber after unwrapping wire is first through the first extruding machine, first extruding machine is at optical fiber additional layer sleeve pipe, and shell material is that modified polypropene is called for short PP, and processing temperature is 175-255 DEG C; 13) by after air-cooled cooling, wind chill temperatures is: 10-25 DEG C, enters the second extruding machine, for engineering plastics polycarbonate is called for short PC in described second extruding machine, after the second extruding machine, form the wrapped pipe of engineering plastics in the outside of sleeve pipe, processing temperature is 270-320 DEG C; 14) after extruding from the second extruding machine, successively through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, traction engine draws, cable core coils; Second operation work is specific as follows: 21) cable core of first operation production is through aramid fiber braider or wire knitting machine, in the outer coating aramid fiber mesh grid of cable core or at the outer coating braided steel wire net of cable core; 22) after mesh grid coating, through extruding machine, be high temperature resistant in extruding machine, fire-retardant TPU, at the outer coating oversheath of cable core; 23) subsequently through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, the traction of inker lettering, traction engine, finished product coils.
A production method for high-temp-resistant micro armored optical cable, is characterized in that, described method comprises two procedures, and wherein optical cable is the wrapped armour pipe of steel band, and first operation is specific as follows: 11), round steel wire flattens, and thin and thick thickness is 0.5-1.5mm; 12), after round steel wire is pressed into steel band, steel band is put on lapping equipment; 13) optical fiber is released by pay off rack, and optical fiber adopts anti-tensile optical fiber, and laying tension is 150g-300g; 14) first through the first extruding machine, the first extruding machine is at optical fiber additional layer sheath, and sheath material is MODIFIED PP, and processing temperature is 175-255 DEG C; 15) add protect after through air-cooled, sleeve pipe is cooled; 15) sleeve pipe is through wrapped mold center, by steel band through wrapped mould, starts lapping equipment, carries out wrapped, subsequently upper dish; Second operation work is specific as follows: 21) cable core of first operation production is through aramid fiber braider or wire knitting machine, in the outer coating aramid fiber mesh grid of cable core or at the outer coating braided steel wire net of cable core; 22) after mesh grid coating, through extruding machine, be high temperature resistant in extruding machine, fire-retardant TPU, at the outer coating oversheath of cable core; 23) subsequently through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, the traction of inker lettering, traction engine, finished product coils.
Produce the extruding machine of high-temp-resistant micro armored optical cable, it is characterized in that, described second extruding machine is by Material sucking machine, hopper, dryer, fuselage, head section forms, Material sucking machine is the mode by vacuumizing, material requested is transported in hopper, in hopper, install dryer additional, material in hopper is dried, by moisture removal, the material of having dried can by the rotation ingress engine thorax of fuselage inner screw, enter head subsequently, the mould of head is designed, corresponding product can be produced, material guide groove is opened in the head of described second extruding machine, material can enter head adventitia along the path of material guide groove, discharging opening is opened inside external mold, in rotary course, extruded stock with discharging opening rotary coating on cable core, form spirality.External mold installs additional motor and bearing, and after power up, external mold is rotatable.The spacing of spiral pipe is arranged by the conversion between the rotating speed of motor and cable core haulage speed.
Relative to prior art, advantage of the present invention is as follows, 1) this optical cable overall construction design is ingenious, and cost is lower; 2) shell material in this technical scheme is MODIFIED PP, thus makes this optical cable have heat-resisting quantity and higher anti-flammability; 3) the wrapped pipe of engineering plastics described in this technical scheme adopts PC, PC heat-resisting, and shock resistance, has anti-flammability, makes this optical cable have stronger impact resistance and anti-flammability; 4) this optical cable uses anti-tensile optical fiber, and optical fiber has good tensile strength, can increase the service life, and has high temperature resistant, flame-retarding characteristic, has good tension, anti-pressure measurement ability, and have smaller bending radius, optical cable is lightweight, easy construction, conserve space; And light is set to dry construction in this technical scheme, described dry construction and overall optical cable do not have ointment to fill, the optical cable be only made up of optical fiber, tight cover, sleeve pipe, engineering plastics corrugated tube, aramid fiber mesh grid, sheath etc., 7) the method easily operates, production efficiency is high, is convenient to promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2-1 for optical cable be engineering plastics wrapped repacking first operation production run schematic diagram;
Fig. 2-2 for optical cable be steel band wrapped armour pipe first operation production run schematic diagram;
Fig. 3 is second operation work production run schematic diagram of the present invention;
Fig. 4 is extruding machine structural representation;
Reference numerals list: 1, optical fiber, 2, sleeve pipe, 3, the wrapped pipe of engineering plastics or the wrapped armour pipe of steel band, 4, aramid fiber mesh grid or braided steel wire net, 5, oversheath, 6, rotate external mold, 7, material guide groove, 8, head cella, 9, asynchronous machine, 10, synchronous pulley, 11, sealing shroud.
Embodiment
In order to deepen, to understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, to illustrate the present invention further.
Embodiments of the present invention are described below in detail, the example of described embodiment is shown in the drawings, wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish, exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and limitation of the present invention can not be interpreted as.
embodiment 1:
See Fig. 1, a kind of high-temp-resistant micro armored optical cable, described optical cable is followed successively by optical fiber 1, sleeve pipe 2, the wrapped pipe of engineering plastics or the wrapped armour pipe 3 of steel band, aramid fiber mesh grid or braided steel wire net 4 and oversheath 5 from inside to outside, described optical fiber structure is dry construction, and the wrapped pipe of described engineering plastics is set to spiral-shaped.Described fiber selection anti-tensile optical fiber, the tensile strength of ordinary optic fibre is 40-50N, and the tensile strength of anti-tensile optical fiber can reach 100N, thus the serviceable life of optical cable can in use be considerably increased, aramid fiber mesh grid in this technical scheme and braided steel wire netting gear have good tensile strength, and steel band wrapped armour pipe optical cable has the good mechanical property such as shock resistance, anti-pressure measurement.The design of this cable configuration is ingenious, and have good tension and anti-pressure measurement ability, this optical cable has very little bending radius, conserve space, easy construction.
embodiment 2:
See Fig. 1, as a modification of the present invention, described shell material is modified polypropene, is called for short PP; Describedly in modified polypropene, add fire resistant resin, halogen-free flame retardants, wherein fire resistant resin ratio: 25%-50%; Halogen-free flame retardants: 25%-50%; MODIFIED PP is had high temperature resistant, the characteristic such as fire-retardant, thus make this optical cable have heat-resisting quantity and higher anti-flammability.
embodiment 3:
See Fig. 1, as a modification of the present invention, the wrapped pipe of described engineering plastics adopts polycarbonate, is called for short PC.PC is heat-resisting, shock resistance, has anti-flammability, makes this optical cable have stronger impact resistance and anti-flammability.
embodiment 4:
See Fig. 1, as a modification of the present invention, described oversheath adopts modified polyurethane to be called for short TPU.Fire resistant resin, halogen-free flame retardants is added, wherein fire resistant resin ratio: 25%-50% in described modified polyurethane; Halogen-free flame retardants: 25%-50%; Further increase heat-resisting quantity and the anti-flammability of this optical cable.
embodiment 5:
See Fig. 2-1, Fig. 3, a production method for high-temp-resistant micro armored optical cable, described method comprises two procedures, and wherein optical cable is the wrapped repackings of engineering plastics, first operation is specific as follows, 11) optical fiber is released by pay off rack, and optical fiber adopts anti-tensile optical fiber, and laying tension is 150g-300g, 12) optical fiber after unwrapping wire is first through the first extruding machine, first extruding machine is at optical fiber additional layer sleeve pipe, and shell material is that modified polypropene is called for short PP, and processing temperature is 175-255 DEG C; 13) by after air-cooled cooling, wind chill temperatures is: 10-25 DEG C, enters the second extruding machine, for engineering plastics polycarbonate is called for short PC in described second extruding machine, after the second extruding machine, form the wrapped pipe of engineering plastics in the outside of sleeve pipe, processing temperature is 270-320 DEG C; 14) after extruding from the second extruding machine, successively through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, traction engine draws, cable core coils; Second operation work is specific as follows: 21) cable core of first operation production is through aramid fiber braider or wire knitting machine, in the outer coating aramid fiber mesh grid of cable core or at the outer coating braided steel wire net of cable core; 22) after mesh grid coating, through extruding machine, be high temperature resistant in extruding machine, fire-retardant TPU, at the outer coating oversheath of cable core; 23) subsequently through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, the traction of inker lettering, traction engine, finished product coils.
embodiment 6:
See Fig. 2-2, Fig. 3, a kind of production method of high-temp-resistant micro armored optical cable, described method comprises two procedures, and wherein optical cable is the wrapped armour pipe of steel band, and first operation is specific as follows: 11), round steel wire flattens, and thin and thick thickness is 0.5-1.5mm; 12), after round steel wire is pressed into steel band, steel band is put on lapping equipment; 13) optical fiber is released by pay off rack, and optical fiber adopts anti-tensile optical fiber, and laying tension is 150g-300g; 14) first through the first extruding machine, the first extruding machine is at optical fiber additional layer sheath, and sheath material is MODIFIED PP, and processing temperature is 175-255 DEG C; 15) add protect after through air-cooled, sleeve pipe is cooled; 15) sleeve pipe is through wrapped mold center, by steel band through wrapped mould, starts lapping equipment, carries out wrapped, subsequently upper dish; Second operation work is specific as follows: 21) cable core of first operation production is through aramid fiber braider or wire knitting machine, in the outer coating aramid fiber mesh grid of cable core or at the outer coating braided steel wire net of cable core; 22) after mesh grid coating, through extruding machine, be high temperature resistant in extruding machine, fire-retardant TPU, at the outer coating oversheath of cable core; 23) subsequently through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, the traction of inker lettering, traction engine, finished product coils.
embodiment 7:
See Fig. 4, produce the extruding machine of high-temp-resistant micro armored optical cable, described second extruding machine is by Material sucking machine, hopper, dryer, fuselage, asynchronous machine 9, head section forms, Material sucking machine is the mode by vacuumizing, material requested is transported in hopper, in hopper, install dryer additional, material in hopper is dried, by moisture removal, the material of having dried can by the rotation ingress engine thorax of fuselage inner screw 8, enter head subsequently, the mould of head is designed, corresponding product can be produced, material guide groove 7 is opened in the head of described second extruding machine, material can enter head adventitia 6 along the path of material guide groove, discharging opening is opened inside external mold 6, in rotary course, extruded stock with discharging opening rotary coating on cable core, form spirality.External mold installs additional motor and bearing, and after power up, external mold is rotatable.The spacing of spiral pipe is arranged by the conversion between the rotating speed of motor and cable core haulage speed.
At least one in technical characteristic described in embodiment 2,3,4 and embodiment 1 can also combine by the present invention, form new embodiment.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also comprises the technical scheme be made up of above technical characteristic combination in any.
Claims (9)
1. high-temp-resistant micro armored optical cable, it is characterized in that, described optical cable is followed successively by optical fiber, sleeve pipe, the wrapped pipe of engineering plastics or the wrapped armour pipe of steel band, aramid fiber mesh grid or braided steel wire net and oversheath from inside to outside, described optical fiber structure is dry construction, and the wrapped pipe of described engineering plastics is set to spiral-shaped.
2. high-temp-resistant micro armored optical cable according to claim 1, is characterized in that, described shell material is modified polypropene.
3. high-temp-resistant micro armored optical cable according to claim 2, is characterized in that, describedly in modified polypropene, adds fire resistant resin, halogen-free flame retardants, wherein fire resistant resin ratio: 25%-50%; Halogen-free flame retardants: 25%-50%.
4. high-temp-resistant micro armored optical cable according to claim 3, is characterized in that, the wrapped pipe of described engineering plastics adopts polycarbonate.
5. high-temp-resistant micro armored optical cable according to claim 4, is characterized in that, described oversheath adopts modified polyurethane.
6. the high-temp-resistant micro armored optical cable according to claim 4 or 5, is characterized in that, adds fire resistant resin, halogen-free flame retardants in described modified polyurethane, wherein fire resistant resin ratio: 25%-50%; Halogen-free flame retardants: 25%-50%.
7. the production method of high-temp-resistant micro armored optical cable, it is characterized in that, described method comprises two procedures, and wherein optical cable is the wrapped repackings of engineering plastics, first operation is specific as follows, 11) optical fiber is released by pay off rack, and optical fiber adopts anti-tensile optical fiber, and laying tension is 150g-300g, 12) optical fiber after unwrapping wire is first through the first extruding machine, first extruding machine is at optical fiber additional layer sleeve pipe, and shell material is that modified polypropene is called for short PP, and processing temperature is 175-255 DEG C; 13) by after air-cooled cooling, wind chill temperatures is: 10-25 DEG C, enters the second extruding machine, for engineering plastics polycarbonate is called for short PC in described second extruding machine, after the second extruding machine, form the wrapped pipe of engineering plastics in the outside of sleeve pipe, processing temperature is 270-320 DEG C; 14) after extruding from the second extruding machine, successively through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, traction engine draws, cable core coils; Second operation work is specific as follows: 21) cable core of first operation production is through aramid fiber braider or wire knitting machine, in the outer coating aramid fiber mesh grid of cable core or at the outer coating braided steel wire net of cable core; 22) after mesh grid coating, through extruding machine, be high temperature resistant in extruding machine, fire-retardant TPU, at the outer coating oversheath of cable core; 23) subsequently through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, the traction of inker lettering, traction engine, finished product coils.
8. the production method of high-temp-resistant micro armored optical cable, is characterized in that, described method comprises two procedures, and wherein optical cable is the wrapped armour pipe of steel band, and first operation is specific as follows: 11), round steel wire flattens, and thin and thick thickness is 0.5-1.5mm; 12), after round steel wire is pressed into steel band, steel band is put on lapping equipment; 13) optical fiber is released by pay off rack, and optical fiber adopts anti-tensile optical fiber, and laying tension is 150g-300g; 14) first through the first extruding machine, the first extruding machine is at optical fiber additional layer sheath, and sheath material is MODIFIED PP, and processing temperature is 175-255 DEG C; 15) add protect after through air-cooled, sleeve pipe is cooled; 15) sleeve pipe is through wrapped mold center, by steel band through wrapped mould, starts lapping equipment, carries out wrapped, subsequently upper dish; Second operation work is specific as follows: 21) cable core of first operation production is through aramid fiber braider or wire knitting machine, in the outer coating aramid fiber mesh grid of cable core or at the outer coating braided steel wire net of cable core; 22) after mesh grid coating, through extruding machine, be high temperature resistant in extruding machine, fire-retardant TPU, at the outer coating oversheath of cable core; 23) subsequently through hot water storgae cooling, cold rinse bank cooling, blowing dryer dries up, caliper is calibrated, the traction of inker lettering, traction engine, finished product coils.
9. produce the extruding machine of high-temp-resistant micro armored optical cable, it is characterized in that, described second extruding machine is by Material sucking machine, hopper, dryer, fuselage, head section forms, Material sucking machine is the mode by vacuumizing, material requested is transported in hopper, in hopper, install dryer additional, material in hopper is dried, by moisture removal, the material of having dried can by the rotation ingress engine thorax of fuselage inner screw, enter head subsequently, the mould of head is designed, corresponding product can be produced, material guide groove is opened in the head of described second extruding machine, material can enter head adventitia along the path of material guide groove, discharging opening is opened inside external mold, in rotary course, extruded stock with discharging opening rotary coating on cable core, form spirality.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823699.1A CN104614825B (en) | 2014-12-26 | 2014-12-26 | High-temp-resistant micro armored optical cable and its production method |
| TW103146595A TWI546582B (en) | 2014-12-26 | 2014-12-31 | High temperature resistant miniature armored cable and its production method |
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| CN201410823699.1A CN104614825B (en) | 2014-12-26 | 2014-12-26 | High-temp-resistant micro armored optical cable and its production method |
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| CN104614825B CN104614825B (en) | 2018-06-12 |
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| CN106327974A (en) * | 2016-10-13 | 2017-01-11 | 华北电力大学（保定） | Teaching demonstration device for asynchronous motor |
| CN107037557A (en) * | 2017-06-08 | 2017-08-11 | 成都新三电线厂 | A kind of high optical cable of heat endurance |
| CN107367807A (en) * | 2017-08-02 | 2017-11-21 | 东捷光电科技(苏州)有限公司 | A kind of aviation fire resistant special type optical cable |
| CN108801600A (en) * | 2017-04-28 | 2018-11-13 | 大族激光科技产业集团股份有限公司 | A kind of fiber leaky detection device |
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| CN107367807A (en) * | 2017-08-02 | 2017-11-21 | 东捷光电科技(苏州)有限公司 | A kind of aviation fire resistant special type optical cable |
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