CN104977677B - Light unit and the optical cable using the light unit - Google Patents

Light unit and the optical cable using the light unit Download PDF

Info

Publication number
CN104977677B
CN104977677B CN201510414830.3A CN201510414830A CN104977677B CN 104977677 B CN104977677 B CN 104977677B CN 201510414830 A CN201510414830 A CN 201510414830A CN 104977677 B CN104977677 B CN 104977677B
Authority
CN
China
Prior art keywords
parts
unit
light unit
optical fiber
fibre ribbon
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.)
Active
Application number
CN201510414830.3A
Other languages
Chinese (zh)
Other versions
CN104977677A (en
Inventor
陈卫东
张桂林
张洪雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weihai Changhe Light Guide Technology Co ltd
Weihai Weixin Fiber Technology Co ltd
Hongan Group Co Ltd
Original Assignee
WANG ON GROUP Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WANG ON GROUP Ltd filed Critical WANG ON GROUP Ltd
Priority to CN201510414830.3A priority Critical patent/CN104977677B/en
Publication of CN104977677A publication Critical patent/CN104977677A/en
Application granted granted Critical
Publication of CN104977677B publication Critical patent/CN104977677B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4403Optical cables with ribbon structure
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4407Optical cables with internal fluted support member
    • G02B6/4409Optical cables with internal fluted support member for ribbons
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/4436Heat resistant
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/005Power cables including optical transmission elements

Abstract

The invention belongs to technical field of cables, more particularly, to a kind of light unit, it is characterised in that it is made of a fibre ribbon (1), flexible reinforcer, unit sheath (3);Fibre ribbon by the more placements that are parallel to each other optical fiber (11) and envelope the tack coat (12) of optical fiber and form, be non-touching between adjacent optical fiber;Flexible reinforcer is located at the outside of fibre ribbon;Unit sheath envelopes fibre ribbon, flexible reinforcer;The upper surface and the lower surface of unit sheath forms direction towards the groove of fibre ribbon.Present invention further teaches the optical cable using the light unit, light unit of the invention has following main beneficial effect:Anti-side pressure function admirable, product flexibility are good;The optical cable of the present invention has following main beneficial effect:Light unit repeats utilization, suitable for hot environment.

Description

Light unit and the optical cable using the light unit
The application is entitled:The optical cable of light unit and the use light unit, Application No.:201410000869.6、 The applying date is:The divisional application of the patent of invention of on 01 02nd, 2014.
Technical field
The invention belongs to technical field of cables, the optical cable more particularly, to a kind of light unit and using the light unit.
Background technology
With quickly propelling for FTTX, the demand of optical cable increasingly increases, for this reason, increasing both at home and abroad for optical cable Research and development and application.Publication No. is that the patent of CN101958162A discloses optoelectronic composite cable, including cable core, embossing metal tube and outer Sheath, embossing metal tube are located at outside cable core, and oversheath is located at outside embossing metal tube, and the cable core includes each being coated with insulating layer At least couple of conductor and at least optical fiber being contained in ferrule, also accommodate for companion in the ferrule With the reinforcing fiber of the optical fiber;Solve effect of the reinforcing fiber individually to optical fiber increase tensile strength, and to cable body Overall tensile strength significantly improves.Publication No. is that the patent of CN202917234U discloses optoelectronic composite cable, including oversheath, Photoelectricity transmission unit is equipped with oversheath, during photoelectricity transmission unit includes center conductor and be molded over including photoelectricity transmission unit Heart conducting wire outside simultaneously coats the optical fiber of center conductor;Its optical fiber is molded over the outside of center conductor by photoelectricity transmission unit, without It is by the optical fiber of advance comprising together with wire stranding as traditional optoelectronic composite cable, can thoroughly eliminates due to being twisted work Skill and caused by optical fiber the problem of scrapping.Publication No. is that the patent of CN2916864 discloses optoelectronic composite cable, including cable core, anti- Water layer, sheath, are equipped with some beam tubes and several signal wires to unit in cable core, signal wire five to for a twisted unit, Form SZ to be twisted, signal wire unit outer surface is wrapped molding polyester belt;Sheath is to be squeezed again with wrinkle composite steel-plastic belt longitudinal wrap The composite rope sheath of bag high density polyethylene (HDPE), in high temperature or low temperature, optoelectronic composite cable is stable, and waterstop plays good Block-water effect.Publication No. be CN202258544U patent disclose optoelectronic composite cable, it include optical fiber, Loose tube, reinforcer, Copper conductor and sheath, optical fiber is in Loose tube, Loose tube overcoat plastic-coated metal compound belt, is fire-retardant outside plastic-coated metal compound belt Sheath, plastic-coated metal compound belt overcoat fire retardant jacket is interior to be equipped with reinforcer, and fireprotection layer and insulating sheath are cased with successively outside copper conductor, They have casing filler, therefore optoelectronic composite cable has fire resisting, resistance to height in fire retardant jacket on the outside of reinforcer in Loose tube Temperature, has fire protecting performance.Publication No. number is that the patent of CN202615928U discloses optoelectronic composite cable, including cable core(1)And parcel Cable core(1)Oversheath(2), cable core(1)Including wrapping layer(3), wrapping layer(3)Inside it is provided with fiber unit(4), signal wire copper Conductor(5), power supply copper conductor(6)And center reinforcemen(7), sheath(2)Periphery be provided with burr(11), the burr (11)Cross section to be square, burr is set on the surface of optical cable, that is, reduces the friction between installing pipe so that installation speed Degree is significantly improved.Publication No. is that the patent of CN102290140A discloses optoelectronic composite cable and optoelectronic composite cable component, should Optoelectronic composite cable 11 has optical fibre core 12 and electric wire 15 in the inner side of sheath 20, and optical fibre core 12 is accommodated in configuration in cross section In first protection pipe 13 of centre, electric wire 15 is configured between the first protection pipe 13 and sheath 20, and can be along the first protection pipe 13 Circumferential direction it is mobile.
Above-mentioned composite rope all includes optical fiber and power transmission line or the electric wire for signal transmission, and optical fiber is individually in Loose tube Or the material of greasy for preventing water one kind is filled with Loose tube, bring inconvenience to construction;In addition, fiber unit due to it is other Loose tube or power transmission unit are twisted together, and power transmission line easily flattens Loose tube, cause the deterioration of optical property;And due to The Loose tube of fibre ribbon is twisted, and when manufacturing defective, electrical transmission unit is reusable after stripping cable core, but twists The Loose tube closed can not reuse, and can cause very big loss.
The content of the invention
To solve the above-mentioned problems, the purpose of the present invention discloses a kind of light unit, further discloses this kind of light unit shape Into optical cable.The present invention is achieved through the following technical solutions.
Light unit, it is characterised in that it is made of a fibre ribbon 1, flexible reinforcer, unit sheath 3;Fibre ribbon by The optical fiber 11 of the more placements that are parallel to each other and envelope the tack coat 12 of optical fiber and form, between adjacent optical fiber It is non-touching;Flexible reinforcer is located at the outside of fibre ribbon;Unit sheath envelopes fibre ribbon, flexible reinforcer;Institute Stating unit sheath is made of the material comprising following parts by weight:
Corvic:40~50 parts;Dioctyl phthalate:11~16 parts;Diisooctyl phthalate:3 ~4 parts;Epoxidized soybean oil:3~4 parts;Calcium-zinc composite stabilizing agent:3~4 parts;Paraffin:6~8 parts;Stearic acid:2~6 parts;Kaolinite Soil:8~12 parts;Antioxidant 1010:0.2~0.8 part;Irgasfos 168:0.2~0.8 part;Calcium carbonate:3~6 parts;Aluminium hydroxide: 4~8 parts;Polypropylene:6~7 parts.
Light unit described above, it is characterised in that the unit sheath is made of the material comprising following parts by weight 's:Corvic:40 parts;Dioctyl phthalate:11 parts;Diisooctyl phthalate:3 parts;Epoxidized soybean oil: 3 parts;Calcium-zinc composite stabilizing agent:3 parts;Paraffin:6 parts;Stearic acid:2 parts;Kaolin:8 parts;Antioxidant 1010:0.2 part;Antioxidant 168:0.2 part;Calcium carbonate:3 parts;Aluminium hydroxide:4 parts;Polypropylene:6 parts.
Light unit described above, it is characterised in that the unit sheath is made of the material comprising following parts by weight 's:Corvic:50 parts;Dioctyl phthalate:16 parts;Diisooctyl phthalate:4 parts;Epoxidized soybean oil: 4 parts;Calcium-zinc composite stabilizing agent:4 parts;Paraffin:8 parts;Stearic acid:6 parts;Kaolin:12 parts;Antioxidant 1010:0.8 part;Antioxygen Agent 168:0.8 part;Calcium carbonate:6 parts;Aluminium hydroxide:8 parts;Polypropylene:7 parts.
Light unit described above, it is characterised in that the unit sheath is made of the material comprising following parts by weight 's:Corvic:45 parts;Dioctyl phthalate:14 parts;Diisooctyl phthalate:3.5 part;Epoxy soybean Oil:3.5 part;Calcium-zinc composite stabilizing agent:3.5 part;Paraffin:7 parts;Stearic acid:4 parts;Kaolin:10 parts;Antioxidant 1010:0.5 Part;Irgasfos 168:0.5 part;Calcium carbonate:4.5 part;Aluminium hydroxide:6 parts;Polypropylene:6.5 part.
Light unit described in first and second embodiment of the present invention, it is characterised in that the flexibility reinforcer is located at The outside of fibre ribbon, i.e., above fibre ribbon and below.
Light unit described in the 3rd embodiment of the present invention, it is characterised in that the flexibility reinforcer is located at fibre ribbon Outside, i.e., the surrounding on the outside of fibre ribbon, i.e., above fibre ribbon, below, the left side, all flexible reinforcer in the right side.
Light unit described above, it is characterised in that the optical fiber is 2 or 4 or 6 or 8 or 10 or 12 Root or 18 or 24.
Light unit described above, it is characterised in that the optical fiber is single mode optical fiber or multimode fibre.
Light unit described above, it is characterised in that the tack coat is heat reactive resin or ultraviolet-curing resin.
Light unit described above, it is characterised in that the material of the flexibility reinforcer for aramid yarn or glass fiber yarn or Polyamide staple fibre spun yarn or Polyester Yarns.
In the 4th embodiment of the present invention, the photoelectricity using the light unit described in any of the above-described embodiment is disclosed Cable, it is characterised in that it by centrally located unit casing 50, more power transmission lines being twisted around unit casing, be coated on Insulating layer 53 outside power transmission line, the protective layer 54 being coated on outside insulating layer 53 and extrusion molding are coated on outside protective layer Restrictive coating 55 form;The light unit is located within unit casing;The power transmission line by the conductor 51 positioned at internal layer and The insulating outer layer 52 outside conductor 51 is coated on to form.
Optical cable described above, it is characterised in that the material of the insulating layer for polyester belt or waterstop or non-woven fabrics or Mica tape.
Optical cable described above, it is characterised in that the material of the unit casing is polyvinyl chloride or low-smoke non-halogen flame-retardant Polyethylene or medium density polyethylene or high density polyethylene (HDPE).
Optical cable described above, it is characterised in that the material of the restrictive coating gathers for polyvinyl chloride or low-smoke non-halogen flame-retardant Ethene or medium density polyethylene or high density polyethylene (HDPE).
Optical cable described above, it is characterised in that the sectional area of the conductor is 0.5 square millimeter to 20 square millimeters.
In light unit in the present invention, since flexible reinforcer to be located to the outside of fibre ribbon, optical fiber is located at optical fiber In band, therefore, the resistance to compression protective capability for optical fiber is stronger, and unit sheath is being subjected to the pressure condition of 4500N/100mm Under, the changing value of the transmission performance of optical fiber is not less than 0.03dB/km.
In the present invention, the special formulation of the material of unit sheath so that it reaches with excellent fire resistance, oxygen index (OI) More than 38, and density is only in 1.2-1.35g/cm3Between, than common low smoke and zero halogen material, flame-proof PVC material it is close Degree is lower, and therefore, material consumption amount is less, and cost is lower;In the present invention, there is antioxidant 1010 and irgasfos 168 joint to make With making this unit sheath that there are longer shelf-life and more excellent oxidation proof propertiess;Phthalic acid two in the present invention is pungent Ester, diisooctyl phthalate, epoxidized soybean oil, stearic acid make that the processing performance of product is more excellent, melt index higher;Carbonic acid Calcium, polypropylene make the material of unit sheath be provided with suitable hardness.
In the optical cable of the present invention, since unit casing is placed on center, unit casing have neither part nor lot in it is twisted, therefore, When production is abnormal after stripping cable core, light unit in unit casing and unit casing still can normal use, greatly save into This;It only placed an at least light unit in unit casing, be dry construction, therefore, easy to construct, and be adapted in higher temperature Lower work.
Therefore, light unit of the invention has following main beneficial effect:Anti-side pressure function admirable, product flexibility It is good;The optical cable of the present invention has following main beneficial effect:Light unit repeats utilization, suitable for hot environment.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment 1 of light unit of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1.
Fig. 3 is the dimensional structure diagram of the embodiment 2 of light unit of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of Fig. 3.
Fig. 5 is the dimensional structure diagram of the embodiment 3 of light unit of the present invention.
Fig. 6 is the cross-sectional structure schematic diagram of Fig. 5.
Fig. 7 is that a kind of cross-sectional structure of embodiment of this optical cable formed using the light unit of embodiment 5 is illustrated Figure.
Embodiment
For embodiment 1 to the embodiment that embodiment 3 is light unit of the present invention, embodiment 4 is optical cable of the present invention Embodiment.
Embodiment 1
See Fig. 1 to Fig. 2;Light unit, it is characterised in that it is by fibre ribbon 1, flexible reinforcer 2,3 structure of unit sheath Into;Fibre ribbon by 12 placements that are parallel to each other optical fiber 11 and envelope the tack coat 12 of optical fiber and form, it is adjacent It is non-touching between optical fiber;Flexible reinforcer is located at the outside of fibre ribbon, i.e., above fibre ribbon and below;Unit Sheath envelopes fibre ribbon, flexible reinforcer;The upper surface and the lower surface of unit sheath is plane, the unit sheath be by What the material comprising following parts by weight was formed:Corvic:40 parts;Dioctyl phthalate:11 parts;Phthalic acid Diisodecyl ester:3 parts;Epoxidized soybean oil:3 parts;Calcium-zinc composite stabilizing agent:3 parts;Paraffin:6 parts;Stearic acid:2 parts;Kaolin:8 Part;Antioxidant 1010:0.2 part;Irgasfos 168:0.2 part;Calcium carbonate:3 parts;Aluminium hydroxide:4 parts;Polypropylene:6 parts.
Embodiment 2
See Fig. 3 and Fig. 4, and with reference to figure 1 and Fig. 2, light unit, it is characterised in that it is by fibre ribbon 1, flexible reinforcer 2nd, unit sheath 3 is formed;Fibre ribbon by 12 placements that are parallel to each other optical fiber 11 and envelope the tack coat of optical fiber 12 are formed, and are non-touching between adjacent optical fiber;Flexible reinforcer is located at the outside of fibre ribbon, i.e., fibre ribbon is upper Face and below;Unit sheath envelopes fibre ribbon, flexible reinforcer;The upper surface and the lower surface of unit sheath forms direction Towards the groove 4 of fibre ribbon;The unit sheath is made of the material comprising following parts by weight:Corvic:50 Part;Dioctyl phthalate:16 parts;Diisooctyl phthalate:4 parts;Epoxidized soybean oil:4 parts;Ca Zn composite is stablized Agent:4 parts;Paraffin:8 parts;Stearic acid:6 parts;Kaolin:12 parts;Antioxidant 1010:0.8 part;Irgasfos 168:0.8 part;Carbonic acid Calcium:6 parts;Aluminium hydroxide:8 parts;Polypropylene:7 parts;Groove 4 can greatly improve the anti-side pressure of unit sheath.
Embodiment 3
See Fig. 5 and Fig. 6, and with reference to figure 3 and Fig. 4, light unit, substantially with embodiment 2, difference is described soft Property reinforcer be located at the outside of fibre ribbon, i.e., the surrounding on the outside of fibre ribbon, i.e., above fibre ribbon, below, the left side, the right side have Flexible reinforcer;Flexible reinforcer by above fibre ribbon, below flexible reinforcer 2 and positioned at the left side of fibre ribbon, The flexible reinforcer 21 on the right side is formed;The unit sheath is made of the material comprising following parts by weight:Polyvinyl chloride tree Fat:45 parts;Dioctyl phthalate:14 parts;Diisooctyl phthalate:3.5 part;Epoxidized soybean oil:3.5 part;Calcium zinc Compound stabilizer:3.5 part;Paraffin:7 parts;Stearic acid:4 parts;Kaolin:10 parts;Antioxidant 1010:0.5 part;Irgasfos 168: 0.5 part;Calcium carbonate:4.5 part;Aluminium hydroxide:6 parts;Polypropylene:6.5 part.
Certainly, the light unit described in any of the above-described embodiment, it is characterised in that the flexibility reinforcer is located at optical fiber The outside of band;But it is not limited to above, below, the left side, the right side.
Certainly, the light unit described in any of the above-described embodiment, it is characterised in that the optical fiber is 2 or 4 Or 6 or 8 or 10 or 12 or 18 or 24.
Certainly, the light unit described in any of the above-described embodiment, it is characterised in that the optical fiber is single mode optical fiber Or multimode fibre.
Certainly, the light unit described in any of the above-described embodiment, it is characterised in that the tack coat is heat reactive resin Or ultraviolet-curing resin.
Certainly, the light unit described in any of the above-described embodiment, it is characterised in that it is described flexibility reinforcer material be Aramid yarn or glass fiber yarn or polyamide staple fibre spun yarn or Polyester Yarns.
Certainly, the light unit described in any of the above-described embodiment, it is characterised in that the unit sheath be by comprising with What the material of lower parts by weight was formed:Corvic:40~50 parts;Dioctyl phthalate:11~16 parts;O-phthalic Sour diisodecyl ester:3~4 parts;Epoxidized soybean oil:3~4 parts;Calcium-zinc composite stabilizing agent:3~4 parts;Paraffin:6~8 parts;Stearic acid: 2~6 parts;Kaolin:8~12 parts;Antioxidant 1010:0.2~0.8 part;Irgasfos 168:0.2~0.8 part;Calcium carbonate:3~6 Part;Aluminium hydroxide:4~8 parts;Polypropylene:6~7 parts.
In the present invention, there is the light unit of 12 optical fibers, it is high using the structure of embodiment 1, width 4.5mm Spend for 1.8mm, light unit is subjected to the pressure of 4500N/100mm, duration in width, the i.e. above-below direction of light unit For 1 it is small when, the change maximum of the transmission performance of optical fiber is 0.02dB/km.
In the present invention, there is the light unit of 2-10 roots and 18,24 optical fibers, using the structure of embodiment 1, make light Unit is subjected to the pressure of 4500N/100mm in width, the i.e. above-below direction of light unit, and when the duration is 1 small, light guide is fine The change maximum of the transmission performance of dimension is not less than 0.03dB/km.
In the present invention, there is the light unit of 2-24 root optical fibers, using the structure of embodiment 2, make light unit in width Spend direction, i.e. the above-below direction of light unit is subjected to the pressure of 6000N/100mm, when the duration is 1 small, the transmission of optical fiber The change maximum of performance is not less than 0.02dB/km.
In the present invention, there is the light unit of 2-24 root optical fibers, using the structure of embodiment 3, make light unit in width Spend direction, i.e. the above-below direction of light unit is subjected to the pressure of 6000N/100mm, when the duration is 1 small, the transmission of optical fiber The change maximum of performance is not less than 0.015dB/km.
In the present invention, just because of the special formulation of unit sheath so that product is provided with more excellent lateral pressure resistant performance, Using conventional polyvinyl chloride, low-smoke non-halogen flame-retardant polyethylene, height degree polyethylene, medium density polyethylene, although in 4500N/ Under the pressure of 100mm, the change maximum for also having reached the transmission performance of optical fiber is no more than the target of 0.03dB/km, but Just 1 minute its duration;In addition, the special formulation of unit sheath so that unit sheath has more excellent elasticity, so that light Unit is provided with more excellent fire resisting, fire resistance.
In light unit in the present invention, since flexible reinforcer to be located to the outside of fibre ribbon;Optical fiber is located at optical fiber In band, therefore, the resistance to compression protective capability for optical fiber is stronger, and unit sheath is being subjected to the pressure condition of 4500N/100mm Under, the changing value of the transmission performance of optical fiber is not less than 0.03dB/km;The light unit of the present invention is excellent with anti-side pressure It is good, the product flexibility main beneficial effect such as well.
Embodiment 4
See Fig. 7, a kind of optical cable, it is characterised in that it by centrally located unit casing 50, around unit sleeve twisted More power transmission lines of conjunction, the insulating layer 53 being coated on outside power transmission line, the protective layer being coated on outside insulating layer 53 54 and the restrictive coating 55 that is coated on outside protective layer of extrusion molding form;There is any of the above-described embodiment within the unit casing The light unit 3;The power transmission line is by the conductor 51 positioned at internal layer and the insulating outer layer 52 being coated on outside conductor 51 Form.
In Fig. 7, power transmission line is 8, can also be other more, such as 2,3,5,6, etc. certainly;When So, in order to which the complete and/or rounding of structure, some power transmission lines therein can also be by solid or hollow gasket for packing institute's generations Replace, certainly, the material of gasket for packing can be polypropylene or polyethylene or expanded material or other suitable materials;The light unit 3 can be one, two or more other, when light unit has more, be placed in a manner of stacking in unit casing 50;Due to list First casing 50 not other liquid fillers in addition to light unit, therefore, are very suitable for indoor use.Unit casing Diameter and wall thickness are changed with the quantity of optical fiber in the quantity of light unit, light unit, it is ensured that in the disk of unit casing Unit casing will not be flattened during, in general, the wall thickness of unit casing is no less than 0.6mm.
Optical cable described above, it is characterised in that the material of the insulating layer for polyester belt or waterstop or non-woven fabrics or Mica tape.
Optical cable described above, it is characterised in that the material of the unit casing is polyvinyl chloride or low-smoke non-halogen flame-retardant Polyethylene or medium density polyethylene or high density polyethylene (HDPE).
Optical cable described above, it is characterised in that the material of the restrictive coating gathers for polyvinyl chloride or low-smoke non-halogen flame-retardant Ethene or medium density polyethylene or high density polyethylene (HDPE).
Optical cable described above, it is characterised in that the sectional area of the conductor is 0.5 square millimeter to 20 square millimeters; Than more preferably conductor cross sectional area for 1.5 square millimeters, 2 square millimeters, 2.5 square millimeters, 4 square millimeters, 6 square millimeters, 8 Square millimeter, 10 square millimeters, 12 square millimeters.
In the optical cable of the present invention, since unit casing is placed on center, unit casing have neither part nor lot in it is twisted, therefore, When production is abnormal after stripping cable core, light unit in unit casing and unit casing still can normal use, greatly save into This;It only placed an at least light unit in unit casing, be dry construction, therefore, easy to construct, and be adapted in higher temperature Lower work;The optical cable of the present invention has following main beneficial effect:Light unit repeats utilization, suitable for hot environment.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that design of the invention can be by other a variety of shapes Formula is implemented to use, they are also fallen within protection scope of the present invention.

Claims (6)

1. light unit, it is characterised in that it is by a fibre ribbon(1), flexible reinforcer, unit sheath(3)Form;Fibre ribbon By the optical fiber of the more placements that are parallel to each other(11)And envelope the tack coat of optical fiber(12)Form, adjacent light guide is fine It is non-touching between dimension;Flexible reinforcer is located at the outside of fibre ribbon;Unit sheath coats fibre ribbon, flexible reinforcer Firmly;The upper surface and the lower surface of unit sheath forms direction towards the groove of fibre ribbon;The unit sheath be by comprising with What the material of lower parts by weight was formed:Corvic:40 parts;Dioctyl phthalate:11 parts;Two isodecyl of phthalic acid Ester:3 parts;Epoxidized soybean oil:3 parts;Calcium-zinc composite stabilizing agent:3 parts;Paraffin:6 parts;Stearic acid:2 parts;Kaolin:8 parts;Antioxygen Agent 1010:0.2 part;Irgasfos 168:0.2 part;Calcium carbonate:3 parts;Aluminium hydroxide:4 parts;Polypropylene:6 parts;The flexible reinforcement Part be located above fibre ribbon and below;The optical fiber for 2 or 4 or 6 or 8 or 10 or 12 or 18 or 24;The optical fiber is single mode optical fiber or multimode fibre;The tack coat is heat reactive resin or ultraviolet-curing resin;Institute The material for stating flexible reinforcer is aramid yarn or glass fiber yarn or polyamide staple fibre spun yarn or Polyester Yarns.
2. light unit according to claim 1, it is characterised in that it has 12 optical fibers, width 4.5mm, height For 1.8mm, light unit is subjected to the pressure of 4500N/100mm in width, when the duration is 1 small, the transmission of optical fiber The change maximum of performance is 0.02dB/km.
3. light unit according to claim 1, it is characterised in that it has 2 or 4 or 6 or 8 or 10 or 12 Root or 18 or 24 optical fibers, light unit are subjected to the pressure of 4500N/100mm in width, and the duration is small for 1 When, the change maximum of the transmission performance of optical fiber is not less than 0.03dB/km.
4. optical cable, it is characterised in that it is by centrally located unit casing(50), more electric power being twisted around unit casing Transmission line, the insulating layer being coated on outside power transmission line(53), be coated on insulating layer(53)Outside protective layer(54)And squeeze Modeling is coated on the restrictive coating outside protective layer(55)Form;Within the unit casing have claim 1 or claim 2 or Light unit described in claim 3;The power transmission line is by the conductor positioned at internal layer(51)And it is coated on conductor(51)Outside Insulating outer layer(52)Form.
5. optical cable according to claim 4, it is characterised in that the material of the insulating layer for polyester belt or waterstop or Non-woven fabrics or mica tape;The material of the unit casing is polyvinyl chloride or low-smoke non-halogen flame-retardant polyethylene or medium density polyethylene Or high density polyethylene (HDPE);The material of the restrictive coating for polyvinyl chloride or low-smoke non-halogen flame-retardant polyethylene or medium density polyethylene or High density polyethylene (HDPE);The sectional area of the conductor is 0.5 square millimeter to 20 square millimeters.
6. optical cable according to claim 4, it is characterised in that the conductor cross sectional area is 1.5 square millimeters or 2 squares Millimeter or 2.5 square millimeters or 4 square millimeters or 6 square millimeters or 8 square millimeters or 10 square millimeters or 12 square millimeters.
CN201510414830.3A 2014-01-02 2014-01-02 Light unit and the optical cable using the light unit Active CN104977677B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510414830.3A CN104977677B (en) 2014-01-02 2014-01-02 Light unit and the optical cable using the light unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510414830.3A CN104977677B (en) 2014-01-02 2014-01-02 Light unit and the optical cable using the light unit
CN201410000869.6A CN103744151B (en) 2014-01-02 2014-01-02 Optical unit and optical cable using the same

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410000869.6A Division CN103744151B (en) 2014-01-02 2014-01-02 Optical unit and optical cable using the same

Publications (2)

Publication Number Publication Date
CN104977677A CN104977677A (en) 2015-10-14
CN104977677B true CN104977677B (en) 2018-05-01

Family

ID=50501185

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201510414835.6A Active CN104977678B (en) 2014-01-02 2014-01-02 Light unit and the optical cable using the light unit
CN201510414830.3A Active CN104977677B (en) 2014-01-02 2014-01-02 Light unit and the optical cable using the light unit
CN201510414836.0A Active CN104977679B (en) 2014-01-02 2014-01-02 A kind of light unit and the optical cable using the light unit
CN201410000869.6A Active CN103744151B (en) 2014-01-02 2014-01-02 Optical unit and optical cable using the same

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201510414835.6A Active CN104977678B (en) 2014-01-02 2014-01-02 Light unit and the optical cable using the light unit

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201510414836.0A Active CN104977679B (en) 2014-01-02 2014-01-02 A kind of light unit and the optical cable using the light unit
CN201410000869.6A Active CN103744151B (en) 2014-01-02 2014-01-02 Optical unit and optical cable using the same

Country Status (1)

Country Link
CN (4) CN104977678B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104479191A (en) * 2014-11-17 2015-04-01 安徽安能电缆有限公司 Waterproof chemical-corrosion-resistant heat tracing cable sheath material and preparation method thereof
CN108761681A (en) * 2016-01-27 2018-11-06 常熟市谷雷特机械产品设计有限公司 A kind of optical cable and its manufacturing method for robot
CN108020891A (en) * 2016-10-31 2018-05-11 西安北方光通信有限责任公司 A kind of metal band type optical cable production. art of falling probationer nurse
AU2017369091B2 (en) 2016-12-01 2020-04-16 Fujikura Ltd. Optical cable and sheath removing method
CN108387987A (en) * 2018-05-03 2018-08-10 陕西理工大学 A kind of layer-twisted optical fiber ribbon cable
CN108318988A (en) * 2018-05-03 2018-07-24 陕西理工大学 A kind of ribbon fiber
CN110501790A (en) * 2018-05-17 2019-11-26 武汉通西域光电科技有限公司 A kind of magnetism optical fiber cable
EP3657068A1 (en) * 2018-11-22 2020-05-27 ZKW Group GmbH Device for the creation and emission of light
CN109782403B (en) * 2019-03-04 2021-03-16 烽火通信科技股份有限公司 Invisible photoelectric composite optical cable and manufacturing method thereof
CN115524784B (en) * 2022-11-23 2023-03-17 长飞光纤光缆股份有限公司 Self-assembled ultra-dense stacked optical fiber ribbon, preparation method thereof, optical unit and optical fiber ribbon cable

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302542A (en) * 1995-06-21 1997-01-22 Fmc Corp Insect-resistant polymers
CN2582018Y (en) * 2002-12-06 2003-10-22 长飞光纤光缆有限公司 Indoor optical fibre strip optical cable with good pressure-resisting performance
CN101159174A (en) * 2007-09-03 2008-04-09 上海斯瑞聚合体科技有限公司 Explosion prevention PVC sheath material for mine cable and preparation method thereof
CN201392416Y (en) * 2009-03-09 2010-01-27 江苏通鼎光电股份有限公司 Indoor ribbon optical fiber cable
CN202711816U (en) * 2012-06-04 2013-01-30 安徽华联电缆集团有限公司 Extrusion resistant type composite cable

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100638961B1 (en) * 2004-08-25 2006-10-25 엘에스전선 주식회사 A optical fiber unit having excellent elasticity and a optical fiber cable including the same
EP2421010B1 (en) * 2010-08-19 2019-07-17 Nexans Assembly for transferring electrical energy and/or messaging signals
DE202011100854U1 (en) * 2011-05-18 2011-07-06 Nexans Arrangement for transmitting electrical energy and / or telecommunications signals
CN102692688B (en) * 2012-06-17 2013-09-18 常熟市谷雷特机械产品设计有限公司 Optical fiber ribbon and optical cable adopting same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302542A (en) * 1995-06-21 1997-01-22 Fmc Corp Insect-resistant polymers
CN2582018Y (en) * 2002-12-06 2003-10-22 长飞光纤光缆有限公司 Indoor optical fibre strip optical cable with good pressure-resisting performance
CN101159174A (en) * 2007-09-03 2008-04-09 上海斯瑞聚合体科技有限公司 Explosion prevention PVC sheath material for mine cable and preparation method thereof
CN201392416Y (en) * 2009-03-09 2010-01-27 江苏通鼎光电股份有限公司 Indoor ribbon optical fiber cable
CN202711816U (en) * 2012-06-04 2013-01-30 安徽华联电缆集团有限公司 Extrusion resistant type composite cable

Also Published As

Publication number Publication date
CN103744151B (en) 2015-10-21
CN104977678B (en) 2017-11-28
CN104977679A (en) 2015-10-14
CN103744151A (en) 2014-04-23
CN104977677A (en) 2015-10-14
CN104977679B (en) 2017-11-10
CN104977678A (en) 2015-10-14

Similar Documents

Publication Publication Date Title
CN104977677B (en) Light unit and the optical cable using the light unit
CN104730667B (en) Slotted core cable and preparation method
CN105280286B (en) A kind of watertight is tethered at the manufacturing process of detection cable
CN105511036B (en) A kind of non-metallic layer stranded cables
EP3842847A1 (en) Optical cable structure and preparation method thereof
CN107731397A (en) A kind of composite band for cable or optical cable
CN106653179B (en) For transmitting the laying down on sea bottom optoelectronic composite cable of optical signal and electric power
CN211125087U (en) Strenghthened type 5G wireless communication little basic station is with protection against rodents prevents ant photoelectricity hybrid cable
CN106932876A (en) A kind of manufacture method of layer-stranding cable
CN105845243B (en) One kind blocks water numeral signal cables for railway
CN104715860B (en) There is the preparation method of the optoelectrical cable of special-shaped packing gasket
CN204117661U (en) A kind of fire-retardant cable of resistance to mud used for oil platform
CN110853807A (en) Strenghthened type 5G wireless communication little basic station is with protection against rodents prevents ant photoelectricity hybrid cable
CN106950664A (en) The method for manufacturing layer-stranding cable
CN106067343B (en) A kind of remote radio head photoelectric mixed cable
CN207992521U (en) A kind of indoor and outdoor leading in cable with stainless steel spiral armouring
CN208488577U (en) A kind of novel flame-retardant cracking resistance optical cable
CN203405603U (en) Central tubular type optical cable convenient for adding signal line
CN204596506U (en) A kind of optoelectronic composite cable with special-shaped packing gasket
CN204596503U (en) There is the optoelectrical cable of special-shaped packing gasket
CN204596504U (en) A kind of optoelectrical cable with special-shaped packing gasket
CN215815230U (en) Waterproof type composite cable
CN203658639U (en) Light unit and light cable employing light unit
CN216387494U (en) Central tube type air-blowing miniature optical cable
CN108490564A (en) A kind of optical cable non-metal reinforcement member and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Chen Weidong

Inventor after: Zhang Guilin

Inventor after: Zhang Honglei

Inventor before: Shen Qunhua

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20180329

Address after: 264400 No. 88 Hengshan Road, Wendeng District, Shandong, Weihai

Applicant after: HONGAN GROUP Co.,Ltd.

Address before: Suzhou City, Jiangsu Province, 215554 Changshou City Shang Hu Zhen Da he Cun Shen Tang Wan Tao (28) No. 79

Applicant before: Shen Qunhua

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220901

Address after: 264200 No. 1, Longwei Road, Longshan office, Wendeng District, Weihai City, Shandong Province

Patentee after: HONGAN GROUP Co.,Ltd.

Patentee after: WEIHAI CHANGHE LIGHT GUIDE TECHNOLOGY CO.,LTD.

Patentee after: Weihai Weixin Fiber Technology Co.,Ltd.

Address before: 264400 No. 88 Longshan Banhengshan Road, Wendeng District, Weihai City, Shandong Province

Patentee before: HONGAN GROUP Co.,Ltd.