CN105572828B - A kind of compact-sized optical cable - Google Patents
A kind of compact-sized optical cable Download PDFInfo
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- CN105572828B CN105572828B CN201610159419.0A CN201610159419A CN105572828B CN 105572828 B CN105572828 B CN 105572828B CN 201610159419 A CN201610159419 A CN 201610159419A CN 105572828 B CN105572828 B CN 105572828B
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- Prior art keywords
- optical fiber
- support body
- oversheath
- peripheral support
- fine
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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
- G02B6/4434—Central member to take up tensile loads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
-
- 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
-
- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to technical field of cables, especially a kind of compact-sized optical cable, it includes multifiber, reinforcing element, oversheath, it is characterized in that it also includes central support, peripheral support body and more connection straps for connecting central support with peripheral support body, connection strap, the external space of central support, peripheral support body interior space form the fine chambers of multiple appearances, optical fiber, which is located at, to be held in fine chamber, oversheath is located at except peripheral support body, and reinforcing element is located in oversheath or between peripheral support body and oversheath；Central support, peripheral support body, connection strap use special material；The present invention has following main advantageous effect：More compact structure, appearance and size smaller, cost are lower, compression resistance/impact/bending property is stronger；The production method of the present invention is simple, easily grasps, and speed of production is fast, little power consumption, process costs are low.
Description
The application is entitled：A kind of compact-sized optoelectrical cable and preparation method thereof, the applying date be：2014 06
Months 26 days, application No. is：201410293715.0 patent of invention divisional application.
Technical field
The invention belongs to technical field of cables, especially a kind of compact-sized optical cable.
Background technology
Communication industry rapid development contemporary society, people for light, the construction of cable more miniaturization and cost more
Lowization is thick-and-thin trend, however, under the background of miniaturization, light, cable properties there is still a need for meet country's mark
The requirement of standard/professional standard just can guarantee the normal use of user in this way；For this purpose, bringing huge challenge to manufacturer.
Mainly there is following patent in the country for the research of the light, cable that minimize, simplify the structure：
Publication No. CN101393310A, the Chinese patent that the applying date is 2008.11.05, disclose a kind of fibre ribbon light
Cable, what it was at least made of obturator, fibre ribbon, protective layer and sheath；Fibre ribbon is surrounded and is coated on outside obturator, protection
Layer 5 is surrounded and is coated on outside fibre ribbon, and sheath is coated on outside protective layer；Obturator is single bar material or composite construction；Light
6 optical fiber are included at least in fibre ribbons；Optical fiber is by centrally located fibre core, the covering outside fibre core, the coating outside covering
Layer and the dyed layer outside coat or tight sleeve layer composition；Protective layer is waterstop, water blocking yarn, aluminium strip, steel band, glass fibre
Any one of reinforced plastics band, aramid yarn；The material of sheath is plastics；The patent greatly reduces the occupancy of space resources
Amount, significantly reduces the consumption of raw material, it will be apparent that saved cost, reduced the spending of user, simplified the work of production
Sequence reduces the input of production equipment.Since the distance between optical fiber adjacent in fibre ribbon is relatively close, and fibre ribbon itself
Binding material is solidified resin, predominantly ultraviolet-curing resin, and ultraviolet-curing resin has lower folding quality, therefore, light
Fibre ribbons easily detach during cladding, and " dissipating fibre " of appellation in the industry is caused to make light although dissipating fibre does not influence optic communication performance
Fibre ribbons cannot whole welding, i.e., cannot use optical-fiber strip welding machine, and common heat sealing machine can only be used, hence it is evident that affect and apply
Work, the progress of connecting.
Publication No. CN103295675A, the Chinese patent that the applying date is 2013.06.08, disclose a kind of easy structure
Cable and its manufacturing method, it is constituted by more conductors, by the restrictive coating that conductor envelopes；Two conductors of arbitrary neighborhood
Between have jacket layer material；On the cross section of cable, the edge of any one conductor is all located within the boundary of restrictive coating；
The more conductors are distributed along restrictive coating, and are discontiguous between arbitrary two conductors；The patent has following main
Advantageous effect：Product structure is simpler, cost is lower, manufacture is easier, equipment investment is less in manufacture.It uses insulation core wire
Or directly conductor is put into sheath, since the size of the core wire of cable is much bigger compared to for optical fiber, and as polyethylene
The material of class and optical fiber compatibility are very poor, and alkalinity is generally presented with polyethylene material in cable, can corrode optical fiber quickly, optical fiber is made
Chromatograph quickly fades, fibercuts, the communication for influencing optical fiber；Therefore, which cannot be applied by optical cable technology.
Publication No. CN103105658A, the Chinese patent that the applying date is 2013.03.13, disclose a kind of simple type light
Cable structure, it includes skeleton body, the reinforcer positioned at skeleton body center；Skeleton body periphery is made of multiple bone leaves, each bone leaf
In have and can accommodate the appearance fibre chamber of optical fiber；The periphery of the fine chamber of appearance is discontiguous with reinforcer；The cable configuration is one
What body was formed；The patent structure is simple, and the sheath process one-pass molding that can be produced in optical cable greatly reduces operation quantity,
The skeleton grooves of skeleton cable need not be extruded, the SZ stranding devices of layer-twisted type cable are not needed yet；It has following main beneficial to effect
Fruit：Simple in structure, equipment investment is few, easy to identify, light-weight, at low cost.Although optical cable in the patent has reached simple in structure
Purpose, still, optical fiber spuious distribution in bone leaf, therefore the structure size of optical cable is bigger, cost is higher；In addition, light
Fine outer only with skeleton body, therefore, optical cable is hit, Compressive Performance is poor.
Therefore, expect to occur that more compact structure, appearance and size smaller, cost are lower, can more be pressurized, more can be curved in industry
Optical cable and optoelectrical cable bent, can more be hit.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is disclosing a kind of compact-sized optical cable, it is further disclosed
Production method, they are realized using following technical scheme.
In embodiment 1 of the present invention to embodiment 6 and embodiment 8, a kind of compact-sized optical cable, it includes more
Root optical fiber 1, reinforcing element 6, oversheath 7, it is characterised in that it also includes central support 2, peripheral support body 4 and by center
The more connection straps 3 that supporter is connect with peripheral support body, connection strap, the external space of central support, peripheral support body it is interior
Space forms the fine chamber 5 of multiple appearances, and optical fiber, which is located at, to be held in fine chamber, and oversheath is located at except peripheral support body, and reinforcing element is located at outer
In sheath or between peripheral support body and oversheath.
In embodiment 7 of the present invention, a kind of compact-sized optical cable, it include multifiber 1, more be used for telecommunication
Insulated conductor 9, reinforcing element 6, oversheath 7, it is characterised in that it also include central support 2, peripheral support body 4 and will
The more connection straps 3 that central support is connect with peripheral support body, connection strap, the external space of central support, peripheral support body
Interior space form the fine chambers 5 of multiple appearances, optical fiber, which is located at, to be held in fine chamber, and the insulated conductor for telecommunication is located to be differed with optical fiber
Appearance fibre chamber in, oversheath is located at except peripheral support body, reinforcing element be located in oversheath or positioned at peripheral support body with
Between oversheath.
The compact-sized optical cable of any one described above, it is characterised in that the reinforcing element is aramid yarn or glass
Silvalin or steel wire or copper bar or fiberglass-reinforced plastic lever.
The compact-sized optical cable of any one described above, it is characterised in that each top for holding fine chamber has
One groove 8, on any cross section, each groove is the excessively corresponding axis for holding fine chamber in fan-shaped and the sector vertex
Line.
The compact-sized optical cable of any one described above, it is characterised in that the width of each fine chamber of appearance radially
1~2 optical fiber can only be accommodated.
The compact-sized optical cable of any one described above, it is characterised in that described all to hold fine chambers radially interior
Edge is on the same circumference, all to hold the outer rim of fine chambers radially also on the same circumference, and the radius of inner edge is R1, the radius of outer rim
Meet for R2, a diameter of D of simple optical fiber, R1, R2 and D：D ＜（R2-R1）＜（2×D）.
The compact-sized optical cable of any one described above, it is characterised in that the optical fiber is single mode optical fiber or multimode light
It is fine.
The compact-sized optical cable of any one described above, it is characterised in that the central support, peripheral support body,
The fine chamber of connection strap, appearance is integrally formed, and is formed by extrusion molding by plastic extrusion machine head；The central support, periphery
Supporter, connection strap material of main part be all polybutylene terephthalate (PBT) or polypropylene.
The compact-sized optical cable of any one described above, it is characterised in that the material of the oversheath is poly- for low-density
Ethylene or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or polyvinyl chloride or low smoke and zero halogen polyethylene or low cigarette
Low halogen polyethylene.
The comprehensive cable of the present invention has following main advantageous effect：More compact structure, appearance and size smaller, cost be lower,
Compression resistance/impact/bending property is stronger.
A kind of compact-sized optical cable of the present invention, it is made using following methods：
The first step：Secondary coated extruded mould step is installed：Central support, peripheral support body, connection strap will be formed
Molding die is mounted on plastic extrusion machine head, and composite material or polypropylene are placed in plastic extruder melt and wait squeezing
Go out, optical fiber/for the fine needle of leading that passes through of insulated conductor of telecommunication will be made to be mounted on molding die rear, and make to lead fine needle and penetrate
In the fine lumen pore of the corresponding appearance of molding die；The composite material includes the raw material by following parts by weight formula：Commercially available optical cable is used poly-
The commercially available toughener of 1 part of mutual-phenenyl two acid bromide two alcohol ester, model AX8000 or model BT108Z：Poly terephthalic acid fourth two
The 2.5~4.8% of alcohol ester weight, the UV resistant agent of model PBT 1731：The 1.0 of polybutylene terephthalate (PBT) weight
~2.5%；
Second step：Install optical fiber/be used for telecommunication insulated conductor step：By optical fiber/be used for telecommunication insulated conductor
In pay-off unit, and by the optical fiber each held in optical cable in fine chamber/for telecommunication insulated conductor quantity, color
And optical fiber/for the insulated conductor of telecommunication is penetrated in the appearance fibre lumen pore described in the first step and passes through extruding machine by sequence requirement
Head；
Third walks：Extrusion molding and distraction step：Outputing extruding machine makes composite material or polypropylene be squeezed out in front of molding die,
The optical fiber in second step/for the insulated conductor of telecommunication is drawn together into hot water storgae simultaneously, forms central support, periphery
Fine chamber is held in supporter, connection strap and the fine chamber of appearance, the interior space formation of connection strap, the external space of central support, peripheral support body,
Optical fiber/be located to hold and form extrusion molding body in fine chamber for the insulated conductor of telecommunication；The width of each fine chamber of appearance radially can only
1 optical fiber is accommodated, all to hold the inner edge of fine chamber radially on the same circumference, all outer rims of fine chamber radially of holding are also same
On circumference, the radius of inner edge is R1, the radius of outer rim is R2, a diameter of D of simple optical fiber, and R1, R2 and D meet：D ＜（R2-
R1）＜（2×D）；Extrusion molding body is pulled into cold rinse bank cooling, then keeps extrusion molding soma dry using online blowing drying device,
Further around forming cable core on having in disk；
4th step：Reinforcing element and oversheath forming step：Gained cable core passes through the mould of sheath extruding machine during third is walked
Core, and place reinforcing element outside cable core and carry out oversheath extrusion molding, will be coated on reinforcing element in oversheath or will add
Strong element is coated between peripheral support body and oversheath to get to compact-sized optoelectrical cable；The oversheath
Material be low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or polyvinyl chloride or low cigarette without
Halogen polyethylene or low-smoke low-halogen polyethylene；The reinforcing element is aramid yarn or glass fiber yarn or steel wire or copper bar or glass fibers
Tie up reinforced plastics bar.
Certainly, the material of central support described above, peripheral support body, connection strap is when being composite material, Ke Yijia
Enter the commercially available toughener of model AX8000 or model BT108Z and the UV resistant agent of model PBT 1731, and toughener
Weight account for the 2.5~4.8% of polybutylene terephthalate (PBT) weight, UV resistant agent and account for polybutylene terephthalate (PBT)
The 1.0~2.5% of weight；It is such to be formulated the processing work for having no need to change original polybutylene terephthalate (PBT) by test
Skill, and central support, peripheral support body, the toughness of connection strap and anti-ultraviolet property can be greatly increased, produce completion
Cable core is placed on applicant location, is shone under the daylight of August part and has no within continuous 20 days that cable core cracks, and is added without above-mentioned anti-purple
The cable core of outside line agent is placed on applicant location, is shone under the daylight of August part and just sees within continuous 5 days that cable core many places are cracked；It is such
It is formulated the cable core of production, in the case where bearing overload pressure 100%, clear-cutting forestland original state in 1 hour, without using this formula
Cable core do not restore to the original state yet in 48 hours in the case where bearing overload pressure 50%, that is, being matched using the prior art
Side is likely to result in the prolonged stoppage of fiber optic communication after overload pressure or impact, and the meeting of the application is extensive within a short period of time
It is multiple.
The production method of the present invention is simple, easily grasps, and speed of production is fast, little power consumption, process costs are low.
Description of the drawings
Fig. 1 is the dimensional structure diagram after one section of stripping of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1 amplifications.
Fig. 3 is the dimensional structure diagram after one section of stripping of embodiment 2 of the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of Fig. 3 amplifications.
Fig. 5 is the dimensional structure diagram after one section of stripping of embodiment 3 of the present invention.
Fig. 6 is the cross-sectional structure schematic diagram of Fig. 5 amplifications.
Fig. 7 is the dimensional structure diagram after one section of stripping of embodiment 4 of the present invention.
Fig. 8 is the cross-sectional structure schematic diagram of Fig. 7 amplifications.
Fig. 9 is the cross-sectional structure schematic diagram of embodiment 5 of the present invention.
Figure 10 is the dimensional structure diagram after one section of stripping of embodiment 6 of the present invention.
Figure 11 is the cross-sectional structure schematic diagram of Figure 10 amplifications.
Figure 12 is the dimensional structure diagram after one section of stripping of embodiment 7 of the present invention.
Figure 13 is the cross-sectional structure schematic diagram of Figure 12 amplifications.
Figure 14 is the dimensional structure diagram after one section of stripping of embodiment 8 of the present invention.
Figure 15 is the cross-sectional structure schematic diagram of Figure 14 amplifications.
Figure 16 is that Figure 15 removes the structural schematic diagram after part fiber.
Specific implementation mode
Embodiment 1
See Fig. 1 and Fig. 2, a kind of compact-sized optical cable, it includes 9 optical fiber 1, reinforcing element 6, oversheath 7,
It is characterized in that it also and includes central support 2, peripheral support body 4 and connect central support with peripheral support body 9
Fine chambers 5 are held in the interior space formation 9 of connection strap 3, connection strap, the external space of central support, peripheral support body, and optical fiber, which is located at, to be held
In fine chamber and each width of fine chamber radially that holds can only accommodate 1 optical fiber, and oversheath is located at except peripheral support body, reinforces member
Part is between peripheral support body and oversheath.
Embodiment 2
See Fig. 3 and Fig. 4, a kind of compact-sized optical cable, it includes 9 optical fiber 1, reinforcing element 6, oversheath 7,
It is characterized in that it also and includes central support 2, peripheral support body 4 and connect central support with peripheral support body 9
Fine chambers 5 are held in the interior space formation 9 of connection strap 3, connection strap, the external space of central support, peripheral support body, and optical fiber, which is located at, to be held
In fine chamber and each width of fine chamber radially that holds can only accommodate 1 optical fiber, and oversheath is located at except peripheral support body, reinforces member
Part is located in oversheath, and reinforcing element is 2, is symmetrically dispersed in oversheath.
Embodiment 3
See Fig. 5 and Fig. 6, a kind of compact-sized optical cable, it includes 9 optical fiber 1, reinforcing element 6, oversheath 7,
It is characterized in that it also include central support 2, peripheral support body 4 and central support is connect with peripheral support body 9
Fine chambers 5 are held in the interior space formation 9 of root connection strap 3, connection strap, the external space of central support, peripheral support body, and optical fiber is located at
Hold in fine chamber and each width of fine chamber radially that holds can only accommodate 1 optical fiber, oversheath is located at except peripheral support body, reinforces
Element is located in oversheath, and reinforcing element is 4, is symmetrically dispersed in oversheath.
Certainly, the reinforcing element in embodiment 2,3 can be also other more, can symmetrically or asymmetrically be distributed in
In oversheath.
Further, the reinforcing element in embodiment 2,3 can also be that peripheral support body is close at edge, in this way can be with
Make that the thickness smaller of oversheath, optical cable entire outer diameter are thinner, cost is lower.
Further, minimum range of the reinforcing element from oversheath edge in embodiment 2,3 should be not less than 0.4mm,
It can ensure that optical cable has more excellent performance in terms of alternating bending and torsion in this way.
Embodiment 4
See Fig. 7 and Fig. 8, a kind of compact-sized optical cable, it includes 12 optical fiber 1, reinforcing element 6, oversheath 7,
It is characterized in that it also include central support 2, peripheral support body 4 and central support is connect with peripheral support body 12
Fine chambers 5, optical fiber position are held in the interior space formation 12 of root connection strap 3, connection strap, the external space of central support, peripheral support body
1 optical fiber can only be accommodated in holding in fine chamber and each holding the width of fine chamber radially, oversheath is located at except peripheral support body, adds
Strong element is between peripheral support body and oversheath.
Embodiment 5
See Fig. 9, and with reference to figure 7 and Fig. 8, a kind of compact-sized optical cable, it includes 24 optical fiber 1, reinforcing elements
6, oversheath 7, it is characterised in that it also includes central support 2, peripheral support body 4 and by central support and peripheral support
Fibre is held in the interior space formation 12 of 12 connection straps 3 of body connection, connection strap, the external space of central support, peripheral support body
Chamber 5, optical fiber is located in the fine chamber of appearance and each width of fine chamber radially that holds can only accommodate 2 optical fiber, and oversheath is propped up positioned at periphery
Except support body, reinforcing element is between peripheral support body and oversheath.
Embodiment 6
See Figure 10 and Figure 11, a kind of compact-sized optical cable, it includes 9 optical fiber 1, reinforcing element 6, oversheath 7,
It is characterized in that it also include central support 2, peripheral support body 4 and central support is connect with peripheral support body 9
Fine chambers 5 are held in the interior space formation 9 of root connection strap 3, connection strap, the external space of central support, peripheral support body, and optical fiber is located at
Hold in fine chamber and each width of fine chamber radially that holds can only accommodate 1 optical fiber, oversheath is located at except peripheral support body, reinforces
Element is between peripheral support body and oversheath；There are one grooves 8 for each top tool for holding fine chamber, in any cross section
On, each groove is the excessively corresponding axis for holding fine chamber in fan-shaped and the sector vertex.
The fine chamber of appearance in embodiment 1 to embodiment 6 is symmetrical in optical cable, naturally it is also possible to asymmetric
Distribution.
Embodiment 7
See Figure 12 and Figure 13, a kind of compact-sized optical cable, it includes 4 optical fiber 1,5 for the exhausted of telecommunication
Edge conducting wire 9, reinforcing element 6, oversheath 7, it is characterised in that it also includes central support 2, peripheral support body 4 and by center
5 connection straps 3 that supporter is connect with peripheral support body, connection strap, the external space of central support, peripheral support body interior sky
Between form 5 and hold fine chambers 5, optical fiber, which is located at, to be held in fine chamber and the width of each fine chamber of the appearance for placing optical fiber radially can only accommodate 1
Root optical fiber, the insulated conductor for telecommunication be located at in optical fiber different appearances fibre chamber, oversheath be located at peripheral support body it
Outside, reinforcing element is between peripheral support body and oversheath；There are one grooves 8 for each top tool for holding fine chamber, any
On cross section, each groove is the excessively corresponding axis for holding fine chamber in fan-shaped and the sector vertex；Every insulated conductor 9 by
Conductor 91 and the insulating layer 92 for enveloping conductor are constituted；The fine chamber of appearance of the insulated conductor for telecommunication is placed than placing optical fiber
It is big to hold fine chamber.
Embodiment 8
See Figure 14 to Figure 16, a kind of compact-sized optical cable, it includes 16 optical fiber 1, reinforcing element 6, oversheath
7, it is characterised in that it also includes central support 2, peripheral support body 4 and connect central support with peripheral support body
Fine chambers 5, optical fiber position are held in the interior space formation 4 of 4 connection straps 3, connection strap, the external space of central support, peripheral support body
1 optical fiber can only be accommodated in holding in fine chamber and each placing the width of the fine chamber of appearance of optical fiber radially, is placed in each fine chamber of appearance
There are 4 optical fiber, oversheath to be located at except peripheral support body, reinforcing element is between peripheral support body and oversheath；The institute
Have and holds the inner edge of fine chamber radially on the same circumference, it is all to hold the outer rim of fine chamber radially also on the same circumference, inner edge
Radius is R1, the radius of outer rim is R2, a diameter of D of simple optical fiber, and R1, R2 and D meet：D ＜（R2-R1）＜（2×D）.
In this embodiment, multifiber can also be placed in the fine chamber of each appearance, the quantity for holding fine chamber is also not limited to 4
It is a, can also be other multiple；Further, fibre ribbon can also be placed by holding in fine chamber, include multifiber in fibre ribbon, this
Sample can overcome the phenomenon that such fibre ribbon cracking in CN101393310A, keep construction, welding more convenient.
A kind of compact-sized optical cable described in any of the above-described embodiment, it is characterised in that the reinforcing element is aramid fiber
Yarn or glass fiber yarn or steel wire or copper bar or fiberglass-reinforced plastic lever.
A kind of compact-sized optical cable described in any of the above-described embodiment, it is characterised in that described each to hold the upper of fine chamber
There are one grooves for Fang Douke tools, and on any cross section, each groove is fan-shaped and the sector the excessively corresponding appearance in vertex
The axis of fine chamber.
A kind of compact-sized optical cable described in any of the above-described embodiment, it is characterised in that the fine chamber of each appearance is along diameter
To width can only all accommodate 1~2 optical fiber.
Further, a kind of compact-sized optical cable described above, each width of fine chamber radially that holds can only hold
Receive 1 optical fiber when, it is characterised in that it is described it is all hold the inner edge of fine chambers radially on the same circumference, all appearance fibre chambers are radially
Outer rim also on the same circumference, the radius of inner edge is R1, the radius of outer rim is R2, a diameter of D of simple optical fiber, R1, R2 with
D meets：D ＜（R2-R1）＜（2×D）.
A kind of compact-sized optical cable described in any of the above-described embodiment, it is characterised in that the optical fiber is single mode optical fiber
Or multimode fibre.
A kind of compact-sized optical cable described in any of the above-described embodiment, it is characterised in that the central support, outer
It is integrally formed to enclose the fine chamber of supporter, connection strap, appearance, and is formed by extrusion molding by plastic extrusion machine head；The center branch
Support body, peripheral support body, connection strap material be all polybutylene terephthalate (PBT) or polypropylene.
A kind of compact-sized optical cable described in any of the above-described embodiment, it is characterised in that the material of the oversheath is
Low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or polyvinyl chloride or the poly- second of low smoke and zero halogen
Alkene or low-smoke low-halogen polyethylene.
A kind of compact-sized optical cable described in above-mentioned embodiment 1 to embodiment 6 and embodiment 8, it can be with
Including other multifibers, other more connection straps, other fine chambers of multiple appearances.
A kind of compact-sized optical cable described in above-mentioned embodiment 7, it can include other multifibers, Qi Taduo
Root connection strap, other multiple appearance fibre chambers, other more insulated conductors for being used for telecommunication.
A kind of compact-sized optical cable described in any of the above-described embodiment, reinforcing element each may lie in oversheath
Or between peripheral support body and oversheath.
In the present invention, due to the presence of reinforcing element so that optical cable can bear the pressure of bigger, i.e. anti-pressure ability is stronger,
Meanwhile reinforcing element can play cushioning effect to impact, therefore, optical cable impact resistance is stronger.
In the present invention, due to the presence of oversheath so that optical cable can bear the pressure of bigger, i.e. anti-pressure ability is stronger, together
When, oversheath can play cushioning effect to impact, and therefore, optical cable impact resistance is stronger；Reinforcing element and oversheath make this
The optical cable of invention has broader environment accommodation for documents, on probation through foreign customers, in outside air temperature
From the country of -50~85 DEG C of natural trends, the phenomenon that being used continuously 1 year, not generating signal interruption, and light in the prior art
Cable can only be applicable in -40~70 DEG C of range.
Compared with prior art, the present invention outer diameter reduces by 25~43%, therefore, cost is significantly reduced, and has reached expected
Effect is examined through cable inspection center of the Ministry of Information industry, and properties of optical fiber cable complies fully with whole regulations of YD/T769-2010.
In embodiment 7 of the present invention place for telecommunication insulated conductor, be in order to meet the needs of foreign customers into
Capable, the purpose is to transmit weak electric signal, mainly monitoring and telephone signal do not need other light device interpreter.
In comprehensive cable of the present invention, the substances such as greasy for preventing water, water-proofing powder, water blocking yarn can also be filled in holding fine chamber, make light
Fibre corrodes from moisture content or slows down moisture content corrosion function.
The making of comprehensive cable of the present invention is not required to SZ and is twisted equipment, does not need fiber optic bundle wrapping equipment, therefore make quite square
Just, equipment investment is relatively low.
Therefore, comprehensive cable of the invention has following main advantageous effect：More compact structure, appearance and size smaller, cost
It is lower, compression resistance/impact/bending property is stronger.
A kind of compact-sized optical cable of the present invention, it is made using following methods：
The first step：Secondary coated extruded mould step is installed：Central support, peripheral support body, connection strap will be formed
Molding die is mounted on plastic extrusion machine head, and composite material or polypropylene are placed in plastic extruder melt and wait squeezing
Go out, optical fiber/for the fine needle of leading that passes through of insulated conductor of telecommunication will be made to be mounted on molding die rear, and make to lead fine needle and penetrate
In the fine lumen pore of the corresponding appearance of molding die；The composite material includes the raw material by following parts by weight formula：Commercially available optical cable is used poly-
The commercially available toughener of 1 part of mutual-phenenyl two acid bromide two alcohol ester, model AX8000 or model BT108Z：Poly terephthalic acid fourth two
The 2.5~4.8% of alcohol ester weight, the UV resistant agent of model PBT 1731：The 1.0 of polybutylene terephthalate (PBT) weight
~2.5%；
Second step：Install optical fiber/be used for telecommunication insulated conductor step：By optical fiber/be used for telecommunication insulated conductor
In pay-off unit, and by the optical fiber each held in optical cable in fine chamber/for telecommunication insulated conductor quantity, color
And optical fiber/for the insulated conductor of telecommunication is penetrated in the appearance fibre lumen pore described in the first step and passes through extruding machine by sequence requirement
Head；
Third walks：Extrusion molding and distraction step：Outputing extruding machine makes composite material or polypropylene be squeezed out in front of molding die,
The optical fiber in second step/for the insulated conductor of telecommunication is drawn together into hot water storgae simultaneously, forms central support, periphery
Fine chamber is held in supporter, connection strap and the fine chamber of appearance, the interior space formation of connection strap, the external space of central support, peripheral support body,
Optical fiber/be located to hold and form extrusion molding body in fine chamber for the insulated conductor of telecommunication；The width of each fine chamber of appearance radially can only
1 optical fiber is accommodated, all to hold the inner edge of fine chamber radially on the same circumference, all outer rims of fine chamber radially of holding are also same
On circumference, the radius of inner edge is R1, the radius of outer rim is R2, a diameter of D of simple optical fiber, and R1, R2 and D meet：D ＜（R2-
R1）＜（2×D）；Extrusion molding body is pulled into cold rinse bank cooling, then keeps extrusion molding soma dry using online blowing drying device,
Further around forming cable core on having in disk；
4th step：Reinforcing element and oversheath forming step：Gained cable core passes through the mould of sheath extruding machine during third is walked
Core, and place reinforcing element outside cable core and carry out oversheath extrusion molding, will be coated on reinforcing element in oversheath or will add
Strong element is coated between peripheral support body and oversheath to get to compact-sized optoelectrical cable；The oversheath
Material be low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or polyvinyl chloride or low cigarette without
Halogen polyethylene or low-smoke low-halogen polyethylene；The reinforcing element is aramid yarn or glass fiber yarn or steel wire or copper bar or glass fibers
Tie up reinforced plastics bar.
Certainly, the material of central support described above, peripheral support body, connection strap is when being composite material, Ke Yi
The commercially available toughener and model of model AX8000 or model BT108Z are added in commercially available polybutylene terephthalate (PBT)
The UV resistant agent of PBT 1731, and the weight of toughener accounts for the 2.5~4.8% of polybutylene terephthalate (PBT) weight, anti-purple
Outside line agent accounts for the 1.0~2.5% of polybutylene terephthalate (PBT) weight；By test, such formula haves no need to change original poly-
The processing technology of mutual-phenenyl two acid bromide two alcohol ester, and the toughness of central support, peripheral support body, connection strap can be greatly increased
And anti-ultraviolet property, the cable core for producing completion are placed on applicant location, shine continuous 20 days and have no under the daylight of August part
Cable core cracks, and the cable core for being added without above-mentioned UV resistant agent is placed on applicant location, is shone under the daylight of August part continuous
Just see within 5 days that cable core many places are cracked；The cable core of such formula production, it is natural in 1 hour in the case where bearing overload pressure 100%
It restores to the original state, without not restored to the original state yet in 48 hours using the cable core of this formula in the case where bearing overload pressure 50%,
It namely uses the formula of the prior art after overload pressure or impact, is likely to result in the prolonged stoppage of fiber optic communication, and originally
The meeting of application restores within a short period of time.
Certainly, above-mentioned formula can be applied in any of the above-described embodiment completely；Certainly, central support, periphery branch
Support body, connection strap material can be commercially available polybutylene terephthalate (PBT), preferred model PBT 3013,61008,
PBT-280。
The production method of the present invention is simple, easily grasps, and speed of production is fast, little power consumption, process costs are low.
The present invention is not limited to above-mentioned preferred forms, it should be understood that design of the invention can be by other various shapes
Formula is implemented to use, they also fall in protection scope of the present invention.
Claims (3)
1. a kind of compact-sized optical cable, it includes multifiber, reinforcing element, oversheath, it is characterised in that it also includes
There are central support, peripheral support body and more connection straps for connecting central support with peripheral support body, connection strap, center
The external space of supporter, the interior space of peripheral support body form the fine chamber of multiple appearances, and optical fiber, which is located at, to be held in fine chamber, and oversheath is located at outer
It encloses except supporter, reinforcing element is located in oversheath or between peripheral support body and oversheath；The central supported
Body, peripheral support body, connection strap material be all polypropylene either by following parts by weight formula raw material：Commercially available optical cable is used poly-
The commercially available toughener of 1 part of mutual-phenenyl two acid bromide two alcohol ester, model AX8000：The 2.5 of polybutylene terephthalate (PBT) weight
~4.8%, the UV resistant agent of model PBT1731：The 1.0~2.5% of polybutylene terephthalate (PBT) weight；The reinforcement
Element is aramid yarn or glass fiber yarn or steel wire or copper bar or fiberglass-reinforced plastic lever；Each top for holding fine chamber
All there are one grooves for tool, and on any cross section, each groove is the fine chamber of the excessively corresponding appearance in fan-shaped and the sector vertex
Axis；The each width of fine chamber radially that holds can only accommodate 1 optical fiber；All inner edges of fine chamber radially that hold exist
On same circumference, all to hold the outer rim of fine chamber radially also on the same circumference, the radius of inner edge is R1, the radius of outer rim is
R2, a diameter of D of simple optical fiber, R1, R2 and D meet：D ＜（R2-R1）＜（2×D）；The commercially available optical cable is with poly- terephthaldehyde
The model PBT3013 of sour butanediol ester or 61008 or PBT-280；Compact-sized optical cable described above, it be use with
Made of lower section method makes：
The first step：Secondary coated extruded mould step is installed：The molding of central support, peripheral support body, connection strap will be formed
Mold is mounted on plastic extrusion machine head, and composite material or polypropylene be placed in plastic extruder melt it is to be extruded,
Optical fiber/for the fine needle of leading that passes through of insulated conductor of telecommunication will be made to be mounted on molding die rear, and make to lead fine needle and penetrate into
Pattern has in the fine lumen pore of corresponding appearance；The composite material includes the raw material by following parts by weight formula：Commercially available optical cable is with poly- pair
The commercially available toughener of 1 part of benzene dicarboxylic acid butanediol ester, model AX8000：The 2.5 of polybutylene terephthalate (PBT) weight~
4.8%, the UV resistant agent of model PBT1731：The 1.0~2.5% of polybutylene terephthalate (PBT) weight；
Second step：Optical fiber step is installed：Optical fiber is mounted in pay-off unit, and by the optical fiber each held in optical cable in fine chamber
Optical fiber is penetrated in the appearance fibre lumen pore described in the first step and passes through extrusion head by quantity, color and sequence requirement；
Third walks：Extrusion molding and distraction step：Outputing extruding machine makes composite material or polypropylene be squeezed out in front of molding die, simultaneously
Optical fiber in second step is drawn together into hot water storgae, central support, peripheral support body, connection strap are formed and holds fine chamber, even
Fine chamber is held in the interior space formation of narrow bars, the external space of central support, peripheral support body, and optical fiber, which is located to hold in fibre chamber, forms extrusion molding
Body；The each width of fine chamber radially that holds can only accommodate 1 optical fiber, and all inner edges of fine chamber radially that hold are in same circumference
On, all to hold the outer rim of fine chamber radially also on the same circumference, the radius of inner edge is R1, the radius of outer rim is R2, single light
Fine a diameter of D, R1, R2 and D meet：D ＜（R2-R1）＜（2×D）；Extrusion molding body is pulled into cold rinse bank cooling, is then adopted
Keep extrusion molding soma dry with online blowing drying device, further around forming cable core on having in disk；
4th step：Reinforcing element and oversheath forming step：Gained cable core passes through the mold core of sheath extruding machine during third is walked, and
Reinforcing element is placed outside cable core and carries out oversheath extrusion molding, and member will be coated in oversheath or will reinforced on reinforcing element
Part is coated between peripheral support body and oversheath to get to compact-sized optical cable；The material of the oversheath is low close
Spend polyethylene or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or polyvinyl chloride or low smoke and zero halogen polyethylene or
Low-smoke low-halogen polyethylene；The reinforcing element is aramid yarn or glass fiber yarn or steel wire or copper bar or fiberglass reinforced plastics
Bar.
2. a kind of compact-sized optical cable according to claim 1, it is characterised in that the optical fiber is single mode optical fiber or more
Mode fiber.
3. a kind of compact-sized optical cable according to claim 1 or claim 2, it is characterised in that the central supported
The fine chamber of body, peripheral support body, connection strap, appearance is integrally formed, and is formed by extrusion molding by plastic extrusion machine head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159419.0A CN105572828B (en) | 2014-06-26 | 2014-06-26 | A kind of compact-sized optical cable |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159419.0A CN105572828B (en) | 2014-06-26 | 2014-06-26 | A kind of compact-sized optical cable |
| CN201410293715.0A CN104076461B (en) | 2014-06-26 | 2014-06-26 | A kind of optoelectrical cable of compact conformation and preparation method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410293715.0A Division CN104076461B (en) | 2014-06-26 | 2014-06-26 | A kind of optoelectrical cable of compact conformation and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105572828A CN105572828A (en) | 2016-05-11 |
| CN105572828B true CN105572828B (en) | 2018-08-24 |
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|---|---|---|---|
| CN201610159424.1A Active CN105632645B (en) | 2014-06-26 | 2014-06-26 | A kind of compact-sized optoelectrical cable |
| CN201610159419.0A Active CN105572828B (en) | 2014-06-26 | 2014-06-26 | A kind of compact-sized optical cable |
| CN201410293715.0A Expired - Fee Related CN104076461B (en) | 2014-06-26 | 2014-06-26 | A kind of optoelectrical cable of compact conformation and preparation method thereof |
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| CN108008509A (en) * | 2015-04-07 | 2018-05-08 | 沈群华 | Remote radio head optical cable, cable and optoelectronic composite cable are used in communication |
| CN107544120A (en) * | 2015-04-07 | 2018-01-05 | 龚永祥 | A kind of manufacture method to communicate with remote radio head optoelectronic composite cable |
| CN107831577A (en) * | 2015-04-07 | 2018-03-23 | 沈群华 | The manufacture method of communication remote radio head optical cable, cable and optoelectronic composite cable |
| CN107357013A (en) * | 2015-04-23 | 2017-11-17 | 苏州专创光电科技有限公司 | A kind of slotted core cable and preparation method |
| CN105427948B (en) * | 2015-10-27 | 2017-08-08 | 长飞光纤光缆股份有限公司 | Skeleton optoelectronic composite cable and its manufacture method |
| CN105527682A (en) * | 2016-01-22 | 2016-04-27 | 江苏长飞中利光纤光缆有限公司 | Central tubular type optical cable resisting mouse bite and manufacture method |
| CN106971786B (en) * | 2016-10-25 | 2019-04-19 | 江苏华脉光电科技有限公司 | A kind of manufacturing method of spring sheathed structure optoelectrical cable |
| CN106710681A (en) * | 2017-02-23 | 2017-05-24 | 湖北宇洪光电实业有限公司 | 6<+> digital communication cable and manufacturing method therefor |
| CN107481808A (en) * | 2017-08-02 | 2017-12-15 | 安徽宜德电子有限公司 | A kind of preparation method of 7 class data wire |
| CN107833694B (en) * | 2017-11-24 | 2024-03-01 | 江苏华能电缆股份有限公司 | Corrosion-resistant wear-resistant high-temperature-resistant photoelectric load-bearing detection cable for petroleum exploration robot |
| CN108088593B (en) * | 2017-12-26 | 2024-05-28 | 浙锚科技股份有限公司 | Carbon fiber intelligent rope body |
| CN110031944B (en) * | 2019-04-24 | 2020-03-13 | 重庆渝丰电线电缆有限公司 | High-strength bending-resistant refractive electric composite cable |
| CN111584145B (en) * | 2020-05-26 | 2021-10-15 | 安徽蒙特尔电缆集团有限公司 | B1-grade flame-retardant cross-linked polyethylene insulated polyolefin sheath power cable and preparation method thereof |
| CN114460702B (en) * | 2022-02-18 | 2024-06-28 | 浙江富春江光电科技有限公司 | Novel asymmetric optical fiber directional bending type optical cable |
| CN114927282B (en) * | 2022-05-23 | 2023-05-12 | 长飞光电线缆(苏州)有限公司 | Optical fiber ribbon cable with bending sleeve |
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- 2014-06-26 CN CN201610159419.0A patent/CN105572828B/en active Active
- 2014-06-26 CN CN201410293715.0A patent/CN104076461B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105572828A (en) | 2016-05-11 |
| CN104076461A (en) | 2014-10-01 |
| CN104076461B (en) | 2016-08-24 |
| CN105632645A (en) | 2016-06-01 |
| CN105632645B (en) | 2017-11-10 |
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Effective date of registration: 20180726 Address after: 225500 west side of Xingye Road, Luo Tong Street, Jiangyan District, Taizhou, Jiangsu Applicant after: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. Address before: 214206 room 404, 144 village, South Cang village, Yicheng street, Yixing, Wuxi, Jiangsu Applicant before: Yin Hong |
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Effective date of registration: 20191018 Address after: 225300 West Side of Xingye Road, Luotang Street, Jiangyan District, Taizhou City, Jiangsu Province Co-patentee after: NANJING HUAMAI TECHNOLOGY CO., LTD. Patentee after: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. Address before: 225500 west side of Xingye Road, Luo Tong Street, Jiangyan District, Taizhou, Jiangsu Patentee before: Jiangsu Hua Mai Optoelectronic Technology Co., Ltd. |