CN105632645B - A kind of compact-sized optoelectrical cable - Google Patents
A kind of compact-sized optoelectrical cable Download PDFInfo
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- CN105632645B CN105632645B CN201610159424.1A CN201610159424A CN105632645B CN 105632645 B CN105632645 B CN 105632645B CN 201610159424 A CN201610159424 A CN 201610159424A CN 105632645 B CN105632645 B CN 105632645B
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- Prior art keywords
- optical fiber
- support body
- oversheath
- fine
- cable
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Classifications
-
- 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
-
- 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
Abstract
The invention belongs to technical field of cables, especially a kind of compact-sized optoelectrical 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 being connected central support with peripheral support body, connection strap, the external space of central support, the interior space of peripheral support body form multiple fine chambers of appearance, optical fiber is in the fine chamber of appearance, oversheath is located at outside peripheral support body, and reinforcing element is located in oversheath or between peripheral support body and oversheath.Present invention further teaches its preparation method；The comprehensive cable of the present invention has following main beneficial effect：More compact structure, appearance and size are smaller, cost is lower, compression resistance/impact/bending property is stronger；The preparation 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
Month 26 days, Application No.：201410293715.0 patent of invention divisional application.
Technical field
The invention belongs to technical field of cables, especially a kind of compact-sized optoelectrical 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, the properties of cable still need to meet national mark
The requirement of standard/professional standard, it so just can guarantee that the normal use of user；Therefore, huge challenge is brought to manufacturer.
The research of domestic light, cable for minimizing, simplifying the structure mainly has following patent：
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 up 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 comprised at least in fibre ribbons；Optical fiber is by positioned at the fibre core at center, 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 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, reduce the input of production equipment.Because the distance between optical fiber adjacent in fibre ribbon is relatively near, and fibre ribbon is in itself
Binding material is solidified resin, predominantly ultraviolet-curing resin, and ultraviolet-curing resin has relatively low folding quality, therefore, light
Fibre ribbons easily separate during cladding, cause " the dissipating fibre " of appellation in the industry, although dissipating fibre does not influence optic communication performance, make light
Fibre ribbons can not whole welding, i.e., can not use optical-fiber strip welding machine, and common heat sealing machine can only be used, hence it is evident that have impact on and apply
Work, the progress to continue.
Publication No. CN103295675A, the Chinese patent that the applying date is 2013.06.08, disclose a kind of easy structure
Cable and its manufacture method, it is made up of more conductors, the restrictive coating for enveloping conductor；Two conductors of arbitrary neighborhood
Between there is jacket layer material；On the cross section of cable, the edge of any one conductor is all located within the border of restrictive coating；
The more conductors are distributed along restrictive coating, and are discontiguous between any two conductors；The patent has following main
Beneficial 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, because the size of the cored wire of cable is much bigger compared to for optical fiber, and it is used as polyethylene
The material of class and optical fiber compatibility extreme difference, cable are typically presented alkalescence with polyethylene material, can corrode optical fiber quickly, optical fiber
Chromatograph quickly fades, fibercuts, influence optical fiber communication；Therefore, the patent can not 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 up of multiple bone leaves, each bone leaf
In have and can accommodate the appearance fibre chamber of optical fiber；It is discontiguous to hold the periphery of fine chamber and reinforcer；The cable configuration is one
What body was formed；The patent structure is simple, the sheath process one-shot forming that can be produced in optical cable, greatly reduces operation quantity,
The skeleton grooves of skeleton cable need not be extruded, it is not required that the SZ stranding devices of layer-twisted type cable；It has following main beneficial to effect
Fruit：Simple in construction, equipment investment is few, easy to identify, in light weight, and cost is low.Although optical cable in the patent has reached simple in construction
Purpose, still, optical fiber spuious distribution in bone leaf, therefore the physical dimension of optical cable is bigger, cost is higher；In addition, light
Fine outer has skeleton body, and therefore, optical cable is hit, Compressive Performance is poor.
Therefore, expect to occur that more compact structure, appearance and size are smaller, cost is lower, can more be pressurized, more can be curved in industry
Optical cable and optoelectrical cable bent, can more be hit.
The content of the invention
In order to solve the above problems, the purpose of the present invention is to disclose a kind of compact-sized optoelectrical cable, further
Its preparation method is disclosed, they are realized using following technical scheme.
Embodiment 1 of the present invention is into embodiment 6 and embodiment 8, a kind of compact-sized optoelectrical cable, and it is wrapped
Contain multifiber 1, reinforcing element 6, oversheath 7, it is characterised in that it also include central support 2, peripheral support body 4 and
The more connection straps 3 that central support is connected with peripheral support body, connection strap, the external space of central support, peripheral support
The interior space of body forms multiple fine chambers 5 of appearance, and optical fiber is positioned at holding in fine chamber, and oversheath is located at outside peripheral support body, reinforcing element
In oversheath or between peripheral support body and oversheath.
In embodiment 7 of the present invention, a kind of compact-sized optoelectrical cable, it include multifiber 1, more be used for
The insulated conductor 9 of telecommunication, reinforcing element 6, oversheath 7, it is characterised in that it also includes central support 2, peripheral support
Body 4 and more connection straps 3 for being connected central support with peripheral support body, connection strap, the external space of central support, periphery
The interior space of supporter forms multiple fine chambers 5 of appearance, and optical fiber is positioned at holding in fine chamber, and the insulated conductor for telecommunication is located at and optical fiber
In the appearance fibre chamber differed, oversheath is located at outside peripheral support body, and reinforcing element is located in oversheath or propped up positioned at periphery
Between support body and oversheath.
The compact-sized optoelectrical cable of any one described above, it is characterised in that the reinforcing element is aramid yarn
Or glass fiber yarn or steel wire or copper bar or fiberglass-reinforced plastic lever.
The compact-sized optoelectrical cable of any one described above, it is characterised in that the top for each holding fine chamber
All there is a groove 8, on any cross section, each groove holds fine chamber for the fan-shaped and fan-shaped summit is excessively corresponding
Axis.
The compact-sized optoelectrical cable of any one described above, it is characterised in that described each to hold fine chamber radially
Width can only accommodate 1~2 optical fiber.
The compact-sized optoelectrical cable of any one described above, it is characterised in that described all to hold fine chambers along footpath
To inner edge on same circumference, all to hold the outer rim of fine chambers radially also on same circumference, the radius of inner edge is R1, outer rim
Radius be R2, a diameter of D of simple optical fiber, R1, R2 and D meet：D ＜（R2-R1）＜（2×D）.
The compact-sized optoelectrical cable of any one described above, it is characterised in that the optical fiber be single-mode fiber or
Multimode fibre.
The compact-sized optoelectrical cable of any one described above, it is characterised in that the central support, periphery
Supporter, connection strap, the fine chamber of appearance are integrally formed, and are to be formed by plastic extrusion machine head by extrusion molding；The central supported
Body, peripheral support body, the material of main part of connection strap are all polybutylene terephthalate (PBT) or polypropylene.
The compact-sized optoelectrical cable of any one described above, it is characterised in that the material of the oversheath is low
Density 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 comprehensive cable of the present invention has following main beneficial effect：More compact structure, appearance and size are smaller, cost is lower,
Compression resistance/impact/bending property is stronger.
A kind of compact-sized optoelectrical 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
Mould is arranged on plastic extrusion machine head, and composite or polypropylene are placed in plastic extruder melt and wait to squeeze
Go out, the fine pin of leading that passes through of insulated conductor for making optical fiber/be used for telecommunication is arranged on mould rear, and make to lead fine pin and penetrate
Hold corresponding to mould in fine lumen pore；The composite 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
Alcohol ester weight 2.5~4.8%, model PBT 1731 UV resistant agent：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/be used for telecommunication insulated conductor quantity, color
And the insulated conductor of optical fiber/be used for telecommunication is penetrated in the appearance fibre lumen pore described in the first step and passes through extruding machine by sequence requirement
Head；
3rd step：Extrusion molding and distraction step：Outputing extruding machine makes composite or polypropylene be extruded in front of mould,
The insulated conductor of the optical fiber in second step/be used for telecommunication is drawn into hot water storgae together simultaneously, forms central support, periphery
Supporter, connection strap and the fine chamber of appearance, connection strap, the external space of central support, the interior space of peripheral support body form and hold fine chamber,
The insulated conductor of optical fiber/be used for telecommunication forms extrusion molding body positioned at holding in fine chamber；Each holding the width of fine chamber radially can only
1 optical fiber is accommodated, all inner edges of fine chamber radially that hold are on same circumference, and 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 makes 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 in 3rd step is passed through to the mould of sheath extruding machine
Core, and place reinforcing element outside cable core and carry out oversheath extrusion molding, it will be coated in oversheath or will add on reinforcing element
Strong element is coated between peripheral support body and oversheath, that is, obtains finishing the compact optoelectrical cable of structure；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, when central support described above, peripheral support body, the material of connection strap are composites, Ke Yijia
Enter model AX8000 or model BT108Z commercially available toughener and model PBT 1731 UV resistant agent, 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；By test, such a formula need not change the processing work of original polybutylene terephthalate (PBT)
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 ftractures, 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 ftractureed；It is such a
The cable core of production is formulated, in the case where bearing overload pressure 100%, clear-cutting forestland original state in 1 hour, without using this formula
Cable core, in the case where bearing overload pressure 50%, do not restored to the original state yet in 48 hours, that is, matching somebody with somebody using 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 preparation method of the present invention is simple, easily grasps, and speed of production is fast, little power consumption, process costs are low.
Brief 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 representation after part fiber.
Embodiment
Embodiment 1
See Fig. 1 and Fig. 2, a kind of compact-sized optoelectrical cable, it includes 9 optical fiber 1, reinforcing element 6, outer shield
Set 7, it is characterised in that it also includes central support 2, peripheral support body 4 and is connected central support with peripheral support body
9 connection straps 3, connection strap, the external space of central support, the interior space of peripheral support body form 9 and hold fine chambers 5, optical fiber
1 optical fiber can only be accommodated positioned at holding in fine chamber and each holding the width of fine chamber radially, oversheath is located at outside peripheral support body,
Reinforcing element is between peripheral support body and oversheath.
Embodiment 2
See Fig. 3 and Fig. 4, a kind of compact-sized optoelectrical cable, it includes 9 optical fiber 1, reinforcing element 6, outer shield
Set 7, it is characterised in that it also includes central support 2, peripheral support body 4 and is connected central support with peripheral support body
9 connection straps 3, connection strap, the external space of central support, the interior space of peripheral support body form 9 and hold fine chambers 5, optical fiber
1 optical fiber can only be accommodated positioned at holding in fine chamber and each holding the width of fine chamber radially, oversheath is located at outside peripheral support body,
Reinforcing element 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 optoelectrical cable, it includes 9 optical fiber 1, reinforcing element 6, outer
Sheath 7, it is characterised in that it also includes central support 2, peripheral support body 4 and connects central support and peripheral support body
9 connection straps 3 connect, connection strap, the external space of central support, the interior space of peripheral support body form 9 and hold fine chamber 5, light
Fibre can only accommodate 1 optical fiber positioned at holding in fine chamber and each hold the width of fine chamber radially, oversheath be located at peripheral support body it
Outside, reinforcing 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, so can be with
Make that the thickness of oversheath is smaller, optical cable entire outer diameter is thinner, cost is lower.
Further, the reinforcing element in embodiment 2,3 should be not less than 0.4mm from the minimum range at oversheath edge,
It can so ensure that optical cable has more excellent performance in terms of alternating bending and torsion.
Embodiment 4
See Fig. 7 and Fig. 8, a kind of compact-sized optoelectrical cable, it includes 12 optical fiber 1, reinforcing element 6, outer
Sheath 7, it is characterised in that it also includes central support 2, peripheral support body 4 and connects central support and peripheral support body
12 connection straps 3 connect, connection strap, the external space of central support, the interior space of peripheral support body form 12 and hold fine chamber 5,
Optical fiber, which is located to hold in fine chamber and each hold the width of fine chamber radially, can only accommodate 1 optical fiber, and oversheath is located at peripheral support body
Outside, reinforcing 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 optoelectrical cable, it includes 24 optical fiber 1, added
Strong element 6, oversheath 7, it is characterised in that it also includes central support 2, peripheral support body 4 and by central support and outside
12 connection straps 3 of supporter connection are enclosed, connection strap, the external space of central support, the interior space of peripheral support body form 12
Individual to hold fine chamber 5, optical fiber, which is located to hold in fine chamber and each hold the width of fine chamber radially, can only accommodate 2 optical fiber, and oversheath is located at
Outside peripheral support body, reinforcing element is between peripheral support body and oversheath.
Embodiment 6
See Figure 10 and Figure 11, a kind of compact-sized optoelectrical cable, it includes 9 optical fiber 1, reinforcing element 6, outer
Sheath 7, it is characterised in that it also includes central support 2, peripheral support body 4 and connects central support and peripheral support body
9 connection straps 3 connect, connection strap, the external space of central support, the interior space of peripheral support body form 9 and hold fine chamber 5, light
Fibre can only accommodate 1 optical fiber positioned at holding in fine chamber and each hold the width of fine chamber radially, oversheath be located at peripheral support body it
Outside, reinforcing element is between peripheral support body and oversheath；The top for each holding fine chamber has a groove 8, any
On cross section, the axis for the excessively corresponding fine chamber of appearance in the fan-shaped and fan-shaped summit of each groove.
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 optoelectrical cable, it includes 4 optical fiber 1,5 and is used for electric lead to
The insulated conductor 9 of letter, reinforcing element 6, oversheath 7, it is characterised in that it also include central support 2, peripheral support body 4 and
5 connection straps 3 that central support is connected with peripheral support body, connection strap, the external space of central support, peripheral support body
Interior space form 5 and hold fine chambers 5, optical fiber is positioned at holding in fine chamber and the width of each fine chamber of appearance for placing optical fiber radially can only
1 optical fiber is accommodated, the insulated conductor for telecommunication is located in the appearance fibre chamber differed with optical fiber, and oversheath is located at peripheral support
Outside body, reinforcing element is between peripheral support body and oversheath；The top for each holding fine chamber has a groove 8,
On any cross section, the axis for the excessively corresponding fine chamber of appearance in the fan-shaped and fan-shaped summit of each groove；Edge is often thoroughly done away with to lead
Line 9 is by conductor 91 and envelopes the insulating barrier 92 of conductor and forms；The appearance fibre chamber of the insulated conductor for telecommunication is placed than placing
The appearance fibre chamber of optical fiber is big.
Embodiment 8
See Figure 14 to Figure 16, a kind of compact-sized optoelectrical cable, it include 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 by central support and peripheral support body
4 connection straps 3 of connection, connection strap, the external space of central support, the interior space of peripheral support body form 4 and hold fine chamber 5,
Optical fiber is in the fine chamber of appearance and the width of each fine chamber of appearance for placing optical fiber radially can only accommodate 1 optical fiber, each holds fine chamber
In be placed with 4 optical fiber, oversheath is located at outside peripheral support body, and reinforcing element is between peripheral support body and oversheath；
All inner edges of fine chamber radially that hold are all to hold the outer rim of fine chamber radially also on same circumference on same 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）.
In this embodiment, multifiber can also be placed in each fine chamber of appearance, the quantity for holding fine chamber is also not limited to 4
It is individual, can also be other multiple；Further, fibre ribbon can also be placed by holding in fine chamber, multifiber is included in fibre ribbon, this
Sample can overcome the phenomenon of such fibre ribbon cracking in CN101393310A, be more convenient construction, welding.
A kind of compact-sized optoelectrical cable described in any of the above-described embodiment, it is characterised in that the reinforcing element
For aramid yarn or glass fiber yarn or steel wire or copper bar or fiberglass-reinforced plastic lever.
A kind of compact-sized optoelectrical cable described in any of the above-described embodiment, it is characterised in that each appearance is fine
The top of chamber can all have a groove, and on any cross section, each groove is that the fan-shaped and fan-shaped summit is excessively right
The axis for the fine chamber of appearance answered.
A kind of compact-sized optoelectrical cable described in any of the above-described embodiment, it is characterised in that each appearance is fine
The width of chamber radially can only all accommodate 1~2 optical fiber.
Further, a kind of compact-sized optoelectrical cable described above, each holds the width of fine chamber radially
When can only accommodate 1 optical fiber, it is characterised in that all inner edges of fine chamber radially that hold are all to hold fine chamber on same circumference
Outer rim radially is also on same circumference, and 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）.
A kind of compact-sized optoelectrical cable described in any of the above-described embodiment, it is characterised in that the optical fiber is single
Mode fiber or multimode fibre.
A kind of compact-sized optoelectrical cable described in any of the above-described embodiment, it is characterised in that the central supported
Body, peripheral support body, connection strap, the fine chamber of appearance are integrally formed, and are to be formed by plastic extrusion machine head by extrusion molding；In described
Heart supporter, peripheral support body, the material of connection strap are all polybutylene terephthalate (PBT) or polypropylene.
A kind of compact-sized optoelectrical cable described in any of the above-described embodiment, it is characterised in that 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.
Above-mentioned embodiment 1 to a kind of compact-sized optoelectrical cable described in embodiment 6 and embodiment 8,
It can include other multifibers, other more connection straps, other multiple fine chambers of appearance.
A kind of compact-sized optoelectrical cable described in above-mentioned embodiment 7, it can include other multifibers,
Other more connection straps, it is other multiple to hold fine chamber, other more insulated conductors for being used for telecommunication.
A kind of compact-sized optoelectrical cable described in any of the above-described embodiment, reinforcing element each may lie in outer
In sheath or between peripheral support body and oversheath.
In the present invention, due to the presence of reinforcing element so that optical cable can bear bigger pressure, 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 bigger pressure, 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, is tried out through foreign customers, in outside air temperature
From the country of -50~85 DEG C of natural trends, it is used continuously 1 year, does not produce the phenomenon of signal interruption, and light of the prior art
Cable can only be applicable -40~70 DEG C of scope.
Compared with prior art, external diameter reduces by 25~43% to the present invention, and therefore, cost is significantly reduced, and has reached expected
Effect, examined through cable inspection center of the Ministry of Information industry, properties of optical fiber cable complies fully with YD/T769-2010 whole regulations.
The insulated conductor for telecommunication is placed in embodiment 7 of the present invention, is to meet that the needs of foreign customers enters
It is capable, the purpose is to transmit weak electric signal, mainly monitoring and telephone signal, it is not necessary to light device interpreter in addition.
In comprehensive cable of the present invention, the materials such as greasy for preventing water, water-proofing powder, water blocking yarn can also be filled in fine chamber is held, make light
It is fine to be corroded from moisture content or slow down moisture content corrosion function.
The making of comprehensive cable of the present invention, it is not required to SZ and is twisted equipment, it is not necessary to fibre bundle wrapping equipment, therefore make quite square
Just, equipment investment is than relatively low.
Therefore, comprehensive cable of the invention has following main beneficial effect：More compact structure, appearance and size are smaller, cost
It is lower, compression resistance/impact/bending property is stronger.
A kind of compact-sized optoelectrical 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
Mould is arranged on plastic extrusion machine head, and composite or polypropylene are placed in plastic extruder melt and wait to squeeze
Go out, the fine pin of leading that passes through of insulated conductor for making optical fiber/be used for telecommunication is arranged on mould rear, and make to lead fine pin and penetrate
Hold corresponding to mould in fine lumen pore；The composite 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
Alcohol ester weight 2.5~4.8%, model PBT 1731 UV resistant agent：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/be used for telecommunication insulated conductor quantity, color
And the insulated conductor of optical fiber/be used for telecommunication is penetrated in the appearance fibre lumen pore described in the first step and passes through extruding machine by sequence requirement
Head；
3rd step：Extrusion molding and distraction step：Outputing extruding machine makes composite or polypropylene be extruded in front of mould,
The insulated conductor of the optical fiber in second step/be used for telecommunication is drawn into hot water storgae together simultaneously, forms central support, periphery
Supporter, connection strap and the fine chamber of appearance, connection strap, the external space of central support, the interior space of peripheral support body form and hold fine chamber,
The insulated conductor of optical fiber/be used for telecommunication forms extrusion molding body positioned at holding in fine chamber；Each holding the width of fine chamber radially can only
1 optical fiber is accommodated, all inner edges of fine chamber radially that hold are on same circumference, and 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 makes 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 in 3rd step is passed through to the mould of sheath extruding machine
Core, and place reinforcing element outside cable core and carry out oversheath extrusion molding, it will be coated in oversheath or will add on reinforcing element
Strong element is coated between peripheral support body and oversheath, that is, obtains finishing the compact optoelectrical cable of structure；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, when central support described above, peripheral support body, the material of connection strap are composites, Ke Yi
Model AX8000 or model BT108Z commercially available toughener and model is added in commercially available polybutylene terephthalate (PBT)
PBT 1731 UV resistant agent, 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 a formula need not change original poly-
The processing technology of mutual-phenenyl two acid bromide two alcohol ester, and central support, peripheral support body, the toughness of 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 ftractures, 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 ftractureed；The cable core of such a formula production, it is natural in 1 hour in the case where bearing overload pressure 100%
Restore to the original state, without the cable core using this formula, in the case where bearing overload pressure 50%, do not restored to the original state yet in 48 hours,
Namely using the formula of prior art after overload pressure or impact, the prolonged stoppage of fiber optic communication is likely to result in, and originally
The meeting of application recovers 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, the material of connection strap can be commercially available polybutylene terephthalate (PBT)s, preferable model PBT 3013,61008,
PBT-280。
The preparation 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 will be appreciated that design of the invention can be by other a variety of shapes
Formula is implemented to use, and they are also fallen within protection scope of the present invention.
Claims (4)
1. a kind of compact-sized optoelectrical cable, it includes multifiber, the more insulated conductors for being used for telecommunication, strengthened
Element, oversheath, it is characterised in that it also includes central support, peripheral support body and by central support and peripheral support
More connection straps of body connection, connection strap, the external space of central support, the interior space of peripheral support body form multiple appearance fibres
Chamber, optical fiber is positioned at holding in fine chamber, and the insulated conductor for telecommunication is located in the appearance fibre chamber differed with optical fiber, and oversheath is located at
Outside peripheral support body, reinforcing element is located in oversheath or between peripheral support body and oversheath；The center branch
Support body, peripheral support body, the material of connection strap are all the raw materials by following parts by weight formula：Optical cable poly terephthalic acid fourth two
The commercially available toughener of 1 part of alcohol ester, model AX8000 or model BT108Z：The 2.5 of polybutylene terephthalate (PBT) weight
~4.8%, model PBT1731 UV resistant agent：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；The top for each holding fine chamber
All there is a groove, on any cross section, each groove part is the excessively corresponding fine chamber of appearance in the fan-shaped and fan-shaped summit
Axis；The width of fine chamber radially that each holds can only accommodate 1 optical fiber；All inner edges of fine chamber radially that hold are same
All to hold the outer rim of fine chambers radially also on same circumference on one 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）；Compact-sized photoelectricity described above is comprehensive
Cable is closed, it is made using following methods：
The first step：Secondary coated extruded mould step is installed：The shaping of central support, peripheral support body, connection strap will be formed
Mould installion on plastic extrusion machine head, and composite is placed in plastic extruder melt it is to be extruded, will make optical fiber/
What the insulated conductor for telecommunication passed through, which lead fine pin, is arranged on mould rear, and makes to lead fine pin to penetrate mould corresponding
Appearance fibre lumen pore in；The composite includes the raw material by following parts by weight formula：Optical cable polybutylene terephthalate
The commercially available toughener of 1 part of ester, model AX8000 or model BT108Z：The 2.5 of polybutylene terephthalate (PBT) weight~
4.8%th, model PBT1731 UV resistant agent：The 1.0~2.5% of polybutylene terephthalate (PBT) weight；
Second step：Install optical fiber/be used for telecommunication insulated conductor step：By optical fiber/be used for telecommunication insulated conductor install
In pay-off unit, and by the quantity of insulated conductor of the optical fiber each held in optical cable in fine chamber/be used for telecommunication, color and suitable
The insulated conductor of optical fiber/be used for telecommunication is penetrated in the appearance fibre lumen pore described in the first step and passes through extrusion head by sequence requirement；
3rd step：Extrusion molding and distraction step：Outputing extruding machine makes composite or polypropylene be extruded in front of mould, simultaneously
The insulated conductor of optical fiber in second step/be used for telecommunication is drawn into hot water storgae together, forms central support, peripheral support
Body, connection strap and the fine chamber of appearance, connection strap, the external space of central support, the interior space of peripheral support body form and hold fine chamber, light
It is fine/to be used for the insulated conductor of telecommunication extrusion molding body is formed in fine chamber positioned at holding；Each holding the width of fine chamber radially can only hold
Receive 1 optical fiber, all inner edges of fine chambers radially that hold are on same circumference, and all outer rims of fine chambers radially of holding are also in same circle
Zhou Shang, 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 makes extrusion molding soma dry using online blowing drying device, further around
Cable core is formed on disk tool；
4th step：Reinforcing element and oversheath forming step：Gained cable core in 3rd step is passed through to the core rod of sheath extruding machine, and
Reinforcing element is placed outside cable core and carries out oversheath extrusion molding, will be coated on reinforcing element in oversheath or member will be strengthened
Part is coated between peripheral support body and oversheath, that is, obtains finishing the compact optoelectrical cable of structure；The material of the oversheath
Gather for low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or polyvinyl chloride or low smoke and zero halogen
Ethene or low-smoke low-halogen polyethylene；The reinforcing element is that aramid yarn or glass fiber yarn or steel wire or copper bar or glass fibre increase
Strong plastic bar.
2. a kind of compact-sized optoelectrical cable according to claim 1, it is characterised in that the commercially available optical cable is used poly-
The model PBT3013 of mutual-phenenyl two acid bromide two alcohol ester or 61008 or PBT-280.
A kind of 3. compact-sized optoelectrical cable according to claim 1 or claim 2, it is characterised in that the light
Fibre is single-mode fiber or multimode fibre.
4. a kind of compact-sized optoelectrical cable according to claim 3, it is characterised in that the central support, outer
Supporter, connection strap, the fine chamber of appearance is enclosed be integrally formed, and to be formed by extrusion molding by plastic extrusion machine head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610159424.1A CN105632645B (en) | 2014-06-26 | 2014-06-26 | A kind of compact-sized optoelectrical cable |
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| CN201610159424.1A CN105632645B (en) | 2014-06-26 | 2014-06-26 | A kind of compact-sized optoelectrical cable |
| CN201410293715.0A CN104076461B (en) | 2014-06-26 | 2014-06-26 | A kind of optoelectrical cable of compact conformation and preparation method thereof |
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| 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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| CN105632645A CN105632645A (en) | 2016-06-01 |
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| 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 |
| CN104698562B (en) * | 2015-04-07 | 2018-02-06 | 重庆成瑞光电科技有限公司 | The manufacture method of communication remote radio head optical cable, cable and optoelectronic composite cable |
| 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 |
| 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 |
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| CN114460702A (en) * | 2022-02-18 | 2022-05-10 | 浙江富春江光电科技有限公司 | Novel asymmetric optical fiber directional bending type optical cable |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105572828B (en) | 2018-08-24 |
| CN104076461A (en) | 2014-10-01 |
| CN105632645A (en) | 2016-06-01 |
| CN104076461B (en) | 2016-08-24 |
| CN105572828A (en) | 2016-05-11 |
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Effective date of registration: 20170930 Address after: 318050, No. 1, district 36, Chiang Kai Shek bridge village, Feng Jiang Street, Luqiao District, Zhejiang, Taizhou Applicant after: Jiang Jiming Address before: Yicheng Street South Village Yixing Jiangsu province 214206 city of Wuxi City, No. 144 room 404 Applicant before: Yin Hong |
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Effective date of registration: 20190621 Address after: 215221 Tangjiahu Avenue, Perch Development Zone, Pingwang Town, Wujiang District, Suzhou City, Jiangsu Province (in Zhanmu Textile Company) Patentee after: Suzhou Torres Photoelectric Technology Co., Ltd. Address before: 318050 No. 36, 1 District, Chiang Seng Qiao village, Feng Jiang Street, Luqiao District, Taizhou, Zhejiang. Patentee before: Jiang Jiming |
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