CN104751984B - Low-voltage photoelectric composite cable structure and production method thereof - Google Patents
Low-voltage photoelectric composite cable structure and production method thereof Download PDFInfo
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- CN104751984B CN104751984B CN201510162956.6A CN201510162956A CN104751984B CN 104751984 B CN104751984 B CN 104751984B CN 201510162956 A CN201510162956 A CN 201510162956A CN 104751984 B CN104751984 B CN 104751984B
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Abstract
The invention discloses a low-voltage photoelectric composite cable structure comprising an outer sheath, transmission unit recognition tapes, an optical unit, an optical unit sheath, transmission unit conductor separation strips, transmission unit conductors and a warping tape. A production method of the low-voltage photoelectric composite cable structure mainly includes an optical unit production process, a possible communication unit production process and a photoelectric composite cable production process. With the optical unit as the body, the transmission conductors are around the optical unit sheath layer, and the optical unit sheath layer and the outer sheath are insulated, accordingly reducing outer diameter and weight of the photoelectric composite cable and bringing production, conveying, mounting and construction convenience; besides, the photoelectric composite cable is compact in structure and lowered by 20%-40% in cost.
Description
Technical field
Present invention relates particularly to a kind of low-voltage optical/electric compound cable structure and preparation method thereof.
Background technology
Optoelectronic composite cable is the special cable integrating optical fiber, power transmission line, has photoelectricity with defeated good characteristic, particularly suitable
Zoom out etc. simultaneously need to optical signal and the occasion of electric energy in power system monitor, broadband access, wireless signal.Optoelectronic composite cable group at present
One-tenth mode all use power transmission unit and optical transmission unit twisted synthesizing cable composition cable core after according to requirements extrude inner liner (if having),
Armor (if having) and restrictive coating, wherein power transmission unit is conducted electricity by copper, plating copper, aluminium conductor, aluminium alloy, copper cover aluminum etc.
The conductor that material is constituted and the insulating barrier composition outside conductor, optical transmission unit is by optical fiber, filling, reinforcement, protection pipe and protects
Jacket layers etc. form.
Specific to small dimension (10mm2And following) power transmission unit, there is following point in this stranded mode: electric unit and light unit
The stranded more simple cable of rear conductor assembly outer diameter or simple optical cable increase, follow-up inner liner (if having), armor (if having) and restrictive coating
Consumption increases, and after finished product, external diameter, weight are much higher than cable and the summation of optical cable separately production, to manufacturing, transporting and execute
Work is laid and is brought many unfavorable, that the price of optoelectronic composite cable is separately manufactured higher than cable and optical cable simultaneously summation, is combined photoelectricity
Promoting the use of cable brings obstruction.
Summary of the invention
Goal of the invention: in order to solve the deficiencies in the prior art, the invention provides a kind of low-voltage optical/electric compound cable structure and preparation thereof
Method, the rated voltage alternating current 220V such as this optoelectronic composite cable is mainly used in power system monitor, broadband access, wireless signal zoom out and with
Under, direct current 330V and following simultaneously need to transmission electric energy and the occasion of optical signal communications.
Technical scheme: a kind of low-voltage optical/electric compound cable structure, including oversheath, power transmission unit identification tape, light unit, light unit
Sheath, power transmission unit conductor divider, power transmission unit conductor and twining package tape；
Described power transmission unit identification tape is placed between power transmission unit conductor and oversheath, or be placed on conductor and conductor strand,
Weave or around being wrapped on conductor；
Described smooth unit 4 can be single or multiple, for described multiple smooth cellular construction, several single smooth unit are same
The heart is twisted into wrapped 41 presumable smooth unit bands after circular cable core, and wrapped or extrude 5 smooth unit oversheaths, can close simultaneously
Reason utilizes the filling needed for the space placement of cable core, reinforcement material, communication unit；
Described smooth unit sheath, power transmission unit conductor divider, twining package tape and oversheath sheath all use Ins. ulative material, constitute
" insulation system " of electricity transmission unit, the power transmission unit required for different core numbers and different cross section arranges respective numbers and position
Electric unit conductor divider；
Described power transmission unit conductor divider can be well prepared in advance, it is possible to molding during sheathing outside.
As optimization: also include communication unit, described communication unit according to construction features be placed on the described stranded space of smooth unit it
Between, it is possible to it is placed between light unit sheath and oversheath.
As optimization: communication unit as conductor element divider, or can be placed on inside conductor divider by described communication unit.
As optimization: also include the light unit band tightening cable core, light unit band outside light unit twisted cable core, is used to tighten, with
Time extrude outside or wrapped smooth unit sheath.
As optimization: described smooth unit is by optical fiber, fibre ribbon and packing material, reinforcement material, Loose tube, tight sleeve pipe, stainless
Steel pipe carries out selectivity combination and constitutes.
As optimization: described power transmission unit identification tape uses band, yarn, silk to identify power transmission unit by the way of color, numeral
Conductor.
As optimization: described power transmission unit conductor uses single line, bunch silk, stranded or braiding mode to synthesize as required.
As optimization: described communication unit can be insulation, stranded, shielding, sheath, be placed in parallel or separated.
The preparation method of described low-voltage optical/electric compound cable structure: described optoelectronic composite cable is mainly by (a) light unit preparation flow, (b)
Presumable communication unit preparation flow and (c) optoelectronic composite cable preparation flow form；
(a) light unit preparation flow:
According to the difference of light cellular construction, technological process is also different:
1.4CG or CTG layer-twisted type structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → connection with fibre coating → optical fiber, reinforcement stranding → sheath；
1.5XG or XTG center tube structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → connection with fibre coating or steel pipe cladding；
1.6BG butterfly cable structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → sheath；
Described drawing optical fibers uses prefabricated rods to make optical fiber at high temperature furnace lira；Prefabricated rods is uniform with certain speed by feed mechanism
Being sent in tubular heater, prefabricated rods tip is heated to viscosity during certain temperature, the fibroblast by own wt sagging attenuating
Dimension, single footpath is by laser beam measuring line footpath instrument precision monitor and moves carry-over pinch rolls on reel；
Described optical fiber coating and wire drawing are carried out simultaneously, and the material of coating is silicone resin or acrylate materials, after coating
The surface of optical fiber protected, mechanical performance and transmission performance are greatly improved；
For the occasion needing optical fiber color to distinguish, it is necessary to optical fiber carried out coloring treatment and dyed layer UV is solidified, preventing from giving birth to
Produce and use during bend, distort when dyed layer come off；
Described connection with fibre coating is for protecting the coat of optical fiber, and increases the intensity of optical fiber, and the plastic sleeve of optical fiber has pine set and tight set two
The mode of kind, the occasion for particular/special requirement can also be at optical fiber outer cladding stainless steel tube；
In layer-twisted type structure, use metal reinforcement (such as steel wire) or non-metal reinforcement member (such as glass fibre reinforcement FRP
And aramid fiber), the bending property of the light unit after stranding is improved, tensile property is increased exponentially, road after being conducive to
The production of operation and installing and using of finished product；
Described smooth unit sheath uses the mode that extrudes cover at optical fiber or become outside cable core, and restrictive coating is mainly for the protection of light unit
And increase the pressure performance of light unit；Conventional sheath material has polrvinyl chloride, polyolefin and polyethylene；
(b) presumable communication unit preparation flow:
Communication unit is broadly divided into following several structure, and corresponds and possess different production procedures:
2.1 conductor insulation types: conductor → insulation；
2.2 stranding types: conductor → insulation → stranding；
2.3 stranding sheath types: conductor → insulation → stranding → sheath；
2.4 shield types: conductor → insulation → stranding → shielding；
2.5 shield sheath types: conductor → insulation → stranding → shielding；
Prepared by described conductor:
Satisfactory metal pole stock is made first with no-oxygen copper plate, copper ingot, aluminium ingot, alloy composition, recycling big drawing machine,
The wire drawing such as Medium drawing mach ine, little machine drawing, annealing are allocated combination according to the specification of monofilament to be made and draw molding, in drawing process
By direct current contact, the copper monofilament after drawing can be carried out continuous annealing, it is also possible to anneal again after wire drawing completes, raw
The diameter of the monofilament of output, conductivity and other physical and mechanical propertiess meet technological requirement；
For the conductor being made up of a monofilament, the monofilament after annealing is the conductor of requirement；
For needing the stranded monofilament of synnema, available strand winder, pipe twisting machine, single twist cabling machine carry out stranded formation according to technological requirement
The conductor required；
Described insulation preparation:
Utilize high accuracy extruding machine insulant is extruded, to melt, extrusion die, be evenly coated at after sizing outside conductor,
Insulating surface is smooth, and the tangent plane of insulation, without the most visible pore, uses on-line measurement or test equipment pair in extrusion process
The external diameter of insulation, mutual capacitance are measured in real time, and the only satisfied insulation required could circulate and arrive next procedure, according to transmission
The difference required, insulation uses polyethylene, low-loss polyethylene, polyethylene foamed or polyolefine material；
Prepared by described stranding:
According to technological requirement, insulated wire cores is carried out stranding according to certain arrangement mode, pitch requirements, stranding can add knowledge
Do not bring line core identification into, cabling process can also add filling as requested and around packaging material；
Described shielding preparation:
Utilize braiding, bag wrapped, vertical or combination that cable core carries out the shielding of requirement, wherein single wrapped and single indulge bag can also with become
Cable preparation is carried out together, and the band of employing has copper monofilament, aluminium monofilament, aluminium alloy monofilament, copper strips, copper to mould band, aluminium strip, aluminum conjunction
Gold ribbon and aluminum plastic belt etc., mould band for copper and aluminum plastic belt can place one by copper monofilament, aluminium monofilament, aluminium alloy single at metal covering
The tinsel drainage threads such as silk are to guarantee shield effectiveness；
Prepared by described sheath:
Sheath material can select as requested: polyethylene, polrvinyl chloride, polyolefin；For multiple communication units, sheath can
To use the method such as different colours and lettering different digital to be identified；
(c) optoelectronic composite cable preparation flow；
3.1 power transmission unit preparation flows:
Make satisfactory metal pole stock first with no-oxygen copper plate, copper ingot, aluminium ingot, alloy composition, utilize big drawing machine,
Medium drawing mach ine, little machine drawing are allocated combination according to the specification of monofilament to be made and draw molding, are contacted by direct current in drawing process
Formula carries out continuous annealing to the copper monofilament after drawing, or anneals after wire drawing completes again, the diameter of the monofilament produced,
Conductivity and other physical and mechanical propertiess meet technological requirement；
According to the difference of design structure, the monofilament after drawing can be directly as conductor, it is also possible to by also silk, synnema, braiding
Etc. mode, multifilament is combined as conductor；
3.2 power transmission unit conductor divider preparation flows:
Utilizing extruding machine to extrude power transmission unit conductor divider according to shape, the dimensional requirement of regulation, divider answers surface rounding, nothing
The most visible pores etc. are bad；
External the vacating of power transmission unit conductor divider can also be would be required to, fill up formation conductor when extruding optoelectronic composite cable sheath
Divider；
Communication unit can also be utilized as power transmission unit conductor divider or to be extruded by communication unit at power transmission unit conductor divider
In；
3.3 smooth unit sheath preparation flows:
6) the single smooth unit of plastic sheath: for the insulant that light unit sheath is satisfied requirement, this light unit can be directly utilized and protect
Set；
7) the single smooth unit of metal tube sheath: outside extrudes the light unit sheath of requirement；
8) multiple smooth unit:
As requested by light unit stranding, filling, reinforcement material can be placed in stranding space, and communication unit can also be placed on space
In together with light unit stranding；
After stranding, cable core directly extrudes light unit sheath, can the most wrapped at cable core and light unit sheath as requested or vertical bag band；
9) optoelectronic composite cable stranding preparation flow:
By presumable communication unit, power transmission unit conductor, conductor divider and power transmission unit identification tape concentric stranding outside light unit
Outside sheath, wherein power transmission conductor divider is placed between two different power transmission unit conductors, communication unit is placed on and leads
Between body divider and conductor or be placed on inside conductor divider or as power transmission unit conductor divider；
Can the most wrapped or vertical bag band, inhibiting tape, waterstop outside cable core；
10) oversheath preparation flow:
Extruding optoelectronic composite cable oversheath as required, oversheath can be single composition, it is also possible to be made up of following two material
Composite jacket: polyethylene, polyolefin, polrvinyl chloride, steel plastic band pe sheath, aluminum plastic belt pe sheath.
" oversheath " in the present invention be inside the lifting manipulation for cable core structure, oversheath and oversheath part can be one complete
Whole cable, it is possible to require the part as optoelectronic composite cable according to different using.
Beneficial effect: the present invention is based on light unit, by power transmission conductor around light unit restrictive coating, and utilizes light unit to protect
Jacket layer and oversheath also serve as insulation, decrease the external diameter of optoelectronic composite cable, weight to greatest extent, it is simple to produce, transport, pacify
Dress and construction；Simultaneously because optoelectronic composite cable compact conformation, cost also has the minimizing of 20%-40%.
The optoelectronic composite cable that the present invention proposes overcomes that traditional structure small dimension power transmission unit external diameter is big and the shortcoming of Heavy Weight；Have
The advantage that compact conformation, external diameter are little, lightweight, price is low, is very suitable for the transport inconvenience such as high building or installs narrow and small environment etc.
Optical cable composite rope is had the occasion of clear and definite external diameter requirement.
The power transmission unit of the photoelectric compound cable that the present invention proposes does not insulate, and eliminates the step peelling off insulation during construction, can be significantly
Degree provides construction benefit, reduces construction cost, is particularly suitable for installing on a large scale and safeguarding purposes.
The light unit of the photoelectric compound cable that the present invention proposes is in the centre of cable core, and when cable bend, the power suffered by optical fiber is minimum,
Be conducive to the stable transmission of optical signal, extend working life.
The electric unit divider design that the present invention is special may insure that in the case of the change of power transmission unit total cross section is little, Ke Yiren
Meaning arranges the power transmission unit core number of requirement, sectional area, the external diameter of optoelectronic composite cable and weight and keeps being basically unchanged.
The present invention, when power transmission unit conductor is damaged, can utilize intact power transmission unit conductor to damage under relatively short distance
Power transmission unit conductor quick-replaceable, and change without whole cable, meet the requirement building economies society.
Accompanying drawing explanation
Fig. 1 is the single smooth unit light photoelectric compound cable cable core schematic diagram of the present invention；
Fig. 2 is the multiple smooth unit light photoelectric compound cable cable core schematic diagram of the present invention；
Fig. 3 be in the present invention light unit style for flow chart；
Fig. 4 is communication unit preparation flow figure in the present invention；
Fig. 5 is optoelectronic composite cable preparation flow figure in the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment
As shown in Figure 1-2, a kind of low-voltage optical/electric compound cable structure, including oversheath 1, power transmission unit identification tape 3, light unit 4,
Light unit sheath 5, power transmission unit conductor divider 6, power transmission unit conductor 7 and twining package tape 8；Described power transmission unit identification tape 3
It is placed between power transmission unit conductor 7 and oversheath 1, or is placed on conductor and conductor strand, braiding or around being wrapped in conductor
On；Described power transmission unit identification tape 3 uses band, yarn, silk to identify power transmission unit conductor by the way of color, numeral.
Described smooth unit 4 can be single or multiple, for described multiple smooth cellular construction, several single smooth unit are same
The heart is twisted into wrapped 41 presumable smooth unit bands after circular cable core, and wrapped or extrude 5 smooth unit oversheaths, can close simultaneously
Reason utilizes the filling needed for the space placement of cable core, reinforcement material, communication unit etc..
Described smooth unit 4 is carried out by optical fiber, fibre ribbon and packing material, reinforcement material, Loose tube, tight sleeve pipe, stainless steel tube
Selectivity combination is constituted.Described smooth unit sheath 5, power transmission unit conductor divider 6, twining package tape 8 and oversheath 1 sheath are all adopted
With Ins. ulative material, constituting " insulation system " of electricity transmission unit, the power transmission unit required for different core numbers and different cross section sets
Put the electric unit conductor divider 6 of respective numbers and position；Described power transmission unit conductor divider 6 can be well prepared in advance, it is possible to
The molding when oversheath 1 is extruded.Described power transmission unit conductor 7 uses single line, bunch silk, stranded or braiding as required
Mode synthesize.Described communication unit can be insulation, stranded, shielding, sheath, be placed in parallel or separated.
May contain communication unit 2, described communication unit 2 is placed between the described stranded space of smooth unit 4 according to construction features,
May also placed between light unit sheath 5 and oversheath 1.Described communication unit 2 can be as conductor element divider 6, maybe will be logical
Letter unit 2 is placed on inside conductor divider 6.
The light unit band 41 tightening cable core may be contained, outside light unit twisted cable core, use light unit band 41 to tighten, simultaneously
Extrude outside or wrapped smooth unit sheath 5.
The preparation method of described low-voltage optical/electric compound cable structure: described optoelectronic composite cable is mainly by (a) light unit preparation flow, (b)
Presumable communication unit preparation flow and (c) optoelectronic composite cable preparation flow form；
(a) light unit preparation flow:
According to the difference of light cellular construction, technological process is also different:
1.7CG or CTG layer-twisted type structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → connection with fibre coating → optical fiber, reinforcement stranding → sheath；
1.8XG or XTG center tube structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → connection with fibre coating or steel pipe cladding；
1.9BG butterfly cable structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → sheath；
Described drawing optical fibers uses prefabricated rods to make optical fiber at high temperature furnace lira；Prefabricated rods is uniform with certain speed by feed mechanism
Being sent in tubular heater, prefabricated rods tip is heated to viscosity during certain temperature, the fibroblast by own wt sagging attenuating
Dimension, single footpath is by laser beam measuring line footpath instrument precision monitor and moves carry-over pinch rolls on reel；
Described optical fiber coating and wire drawing are carried out simultaneously, and the material of coating is silicone resin or acrylate materials, after coating
The surface of optical fiber protected, mechanical performance and transmission performance are greatly improved；
For the occasion needing optical fiber color to distinguish, it is necessary to optical fiber carried out coloring treatment and dyed layer UV is solidified, preventing from giving birth to
Produce and use during bend, distort when dyed layer come off；
Described connection with fibre coating is for protecting the coat of optical fiber, and increases the intensity of optical fiber, and the plastic sleeve of optical fiber has pine set and tight set two
The mode of kind, the occasion for particular/special requirement can also be at optical fiber outer cladding stainless steel tube；
In layer-twisted type structure, use metal reinforcement (such as steel wire) or non-metal reinforcement member (such as glass fibre reinforcement FRP
And aramid fiber), the bending property of the light unit after stranding is improved, tensile property is increased exponentially, road after being conducive to
The production of operation and installing and using of finished product；
Described smooth unit sheath uses the mode that extrudes cover at optical fiber or become outside cable core, and restrictive coating is mainly for the protection of light unit
And increase the pressure performance of light unit；Conventional sheath material has polrvinyl chloride, polyolefin and polyethylene；
(b) presumable communication unit preparation flow:
Communication unit is broadly divided into following several structure, and corresponds and possess different production procedures:
2.1 conductor insulation types: conductor → insulation；
2.2 stranding types: conductor → insulation → stranding；
2.3 stranding sheath types: conductor → insulation → stranding → sheath；
2.4 shield types: conductor → insulation → stranding → shielding；
2.5 shield sheath types: conductor → insulation → stranding → shielding；
Prepared by described conductor:
Satisfactory metal pole stock is made first with no-oxygen copper plate, copper ingot, aluminium ingot, alloy composition, recycling big drawing machine,
The wire drawing such as Medium drawing mach ine, little machine drawing, annealing are allocated combination according to the specification of monofilament to be made and draw molding, in drawing process
By direct current contact, the copper monofilament after drawing can be carried out continuous annealing, it is also possible to anneal again after wire drawing completes, raw
The diameter of the monofilament of output, conductivity and other physical and mechanical propertiess meet technological requirement；
For the conductor being made up of a monofilament, the monofilament after annealing is the conductor of requirement；
For needing the stranded monofilament of synnema, available strand winder, pipe twisting machine, single twist cabling machine carry out stranded formation according to technological requirement
The conductor required；
Described insulation preparation:
Utilize high accuracy extruding machine insulant is extruded, to melt, extrusion die, be evenly coated at after sizing outside conductor,
Insulating surface is smooth, and the tangent plane of insulation, without the most visible pore, uses on-line measurement or test equipment pair in extrusion process
The external diameter of insulation, mutual capacitance are measured in real time, and the only satisfied insulation required could circulate and arrive next procedure, according to transmission
The difference required, insulation uses polyethylene, low-loss polyethylene, polyethylene foamed or polyolefine material；
Prepared by described stranding:
According to technological requirement, insulated wire cores is carried out stranding according to certain arrangement mode, pitch requirements, stranding can add knowledge
Do not bring line core identification into, cabling process can also add filling as requested and around packaging material；
Described shielding preparation:
Utilize braiding, bag wrapped, vertical or combination that cable core carries out the shielding of requirement, wherein single wrapped and single indulge bag can also with become
Cable preparation is carried out together, and the band of employing has copper monofilament, aluminium monofilament, aluminium alloy monofilament, copper strips, copper to mould band, aluminium strip, aluminum conjunction
Gold ribbon and aluminum plastic belt etc., mould band for copper and aluminum plastic belt can place one by copper monofilament, aluminium monofilament, aluminium alloy single at metal covering
The tinsel drainage threads such as silk are to guarantee shield effectiveness；
Prepared by described sheath:
Sheath material can select as requested: polyethylene, polrvinyl chloride, polyolefin；For multiple communication units, sheath can
To use the method such as different colours and lettering different digital to be identified；
(c) optoelectronic composite cable preparation flow；
3.1 power transmission unit preparation flows:
Make satisfactory metal pole stock first with no-oxygen copper plate, copper ingot, aluminium ingot, alloy composition, utilize big drawing machine,
Medium drawing mach ine, little machine drawing are allocated combination according to the specification of monofilament to be made and draw molding, are contacted by direct current in drawing process
Formula carries out continuous annealing to the copper monofilament after drawing, or anneals after wire drawing completes again, the diameter of the monofilament produced,
Conductivity and other physical and mechanical propertiess meet technological requirement；
According to the difference of design structure, the monofilament after drawing can be directly as conductor, it is also possible to by also silk, synnema, braiding
Etc. mode, multifilament is combined as conductor；
3.2 power transmission unit conductor divider preparation flows:
Utilizing extruding machine to extrude power transmission unit conductor divider according to shape, the dimensional requirement of regulation, divider answers surface rounding, nothing
The most visible pores etc. are bad；
External the vacating of power transmission unit conductor divider can also be would be required to, fill up formation conductor when extruding optoelectronic composite cable sheath
Divider；
Communication unit can also be utilized as power transmission unit conductor divider or to be extruded by communication unit at power transmission unit conductor divider
In；
3.3 smooth unit sheath preparation flows:
11) the single smooth unit of plastic sheath: for the insulant that light unit sheath is satisfied requirement, this light unit can be directly utilized
Sheath；
12) the single smooth unit of metal tube sheath: outside extrudes the light unit sheath of requirement；
13) multiple smooth unit:
As requested by light unit stranding, filling, reinforcement material can be placed in stranding space, and communication unit can also be placed on space
In together with light unit stranding；
After stranding, cable core directly extrudes light unit sheath, can the most wrapped at cable core and light unit sheath as requested or vertical bag band；
14) optoelectronic composite cable stranding preparation flow:
By presumable communication unit, power transmission unit conductor, conductor divider and power transmission unit identification tape concentric stranding outside light unit
Outside sheath, wherein power transmission conductor divider is placed between two different power transmission unit conductors, communication unit is placed on and leads
Between body divider and conductor or be placed on inside conductor divider or as power transmission unit conductor divider；
Can the most wrapped or vertical bag band, inhibiting tape, waterstop outside cable core；
15) oversheath preparation flow:
Extruding optoelectronic composite cable oversheath as required, oversheath can be single composition, it is also possible to be made up of following two material
Composite jacket: polyethylene, polyolefin, polrvinyl chloride, steel plastic band pe sheath, aluminum plastic belt pe sheath.
" oversheath " in the present invention be inside the lifting manipulation for cable core structure, oversheath and oversheath part can be one complete
Whole cable, it is possible to require the part as optoelectronic composite cable according to different using.
The present invention is based on light unit, by power transmission conductor around light unit restrictive coating, and utilizes light unit restrictive coating and protects outward
Set also serves as insulation, decreases the external diameter of optoelectronic composite cable, weight to greatest extent, it is simple to produce, transport, install and construct；
Simultaneously because optoelectronic composite cable compact conformation, cost also has the minimizing of 20%-40%.
For those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some
Improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a low-voltage optical/electric compound cable, including oversheath (1), power transmission unit identification tape (3), light unit (4), light unit sheath (5), power transmission unit conductor divider (6), power transmission unit conductor (7) and twining package tape (8)；
Described power transmission unit identification tape (3) is placed between power transmission unit conductor (7) and oversheath (1), or be placed on power transmission unit conductor (7) internal with conductor strand, braiding or around being wrapped on conductor；
Described smooth unit (4) can be single or multiple, for described multiple smooth cellular construction, by wrapped smooth unit band (41) after several single smooth circular cable cores of unit concentric stranding, and wrapped or extrude light unit sheath (5), implant or reinforcement material or communication unit are placed in the space of cable core simultaneously；
Described smooth unit sheath (5), power transmission unit conductor divider (6), twining package tape (8) and oversheath (1) all use Ins. ulative material, constituting " insulation system " of electricity transmission unit, the power transmission unit required for different core numbers and different cross section arranges power transmission unit conductor divider (6) of respective numbers and position；
Described power transmission unit conductor divider (6) can be well prepared in advance, it is possible to the molding when oversheath (1) is extruded；
It is characterized in that: the preparation method of described low-voltage optical/electric compound cable is mainly made up of (a) light unit preparation flow, (b) communication unit preparation flow and (c) optoelectronic composite cable preparation flow；
(a) light unit preparation flow:
According to the difference of light cellular construction, technological process is also different:
1.1CG or CTG layer-twisted type structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → connection with fibre coating → optical fiber, reinforcement stranding → sheath；
1.2XG or XTG center tube structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → connection with fibre coating or steel pipe cladding；
1.3BG butterfly cable structure:
Drawing optical fibers → optical fiber coating → optical fiber coloring → sheath；
Described drawing optical fibers uses prefabricated rods to make optical fiber at high temperature furnace lira；Prefabricated rods is uniformly sent in tubular heater with certain speed by feed mechanism, prefabricated rods tip is heated to viscosity during certain temperature, forming fiber by sagging the attenuating of own wt, single footpath is by laser beam measuring line footpath instrument precision monitor and moves carry-over pinch rolls on reel；
Described optical fiber coating and wire drawing are carried out simultaneously, and the material of coating is silicone resin or acrylate materials；For the occasion needing optical fiber color to distinguish, it is necessary to optical fiber is carried out coloring treatment and dyed layer UV is solidified；
Described connection with fibre coating has pine set and tightly overlaps two ways；
In layer-twisted type structure, use metal reinforcement or non-metal reinforcement member；
(b) communication unit preparation flow:
Communication unit is divided into following several structure, and possesses different production procedures respectively:
2.1 conductor insulation types: conductor → insulation；
2.2 stranding types: conductor → insulation → stranding；
2.3 stranding sheath types: conductor → insulation → stranding → sheath；
2.4 shield types: conductor → insulation → stranding → shielding；
2.5 shield sheath types: conductor → insulation → stranding → shielding；
Prepared by described conductor:
Satisfactory metal pole stock is made first with no-oxygen copper plate, copper ingot, aluminium ingot, alloy composition, recycling big drawing machine or Medium drawing mach ine or little machine drawing come wire drawing and annealing, carry out drawing molding according to the specification of monofilament to be made, in drawing process, by direct current contact, the copper monofilament after drawing is carried out continuous annealing, or anneal again after wire drawing completes；
For the conductor being made up of a monofilament, the monofilament after annealing is the conductor of requirement；
For needing the stranded monofilament of synnema, strand winder or pipe twisting machine or single twist cabling machine is utilized to carry out stranded formation conductor；
Described insulation preparation:
Utilize extruding machine that insulant is extruded, melt, extrusion die, it is evenly coated at after sizing outside conductor, insulating surface is smooth, the tangent plane of insulation is without the most visible pore, use on-line measurement or test equipment that external diameter, the mutual capacitance of insulation are measured in real time in extrusion process, circulate next procedure by the insulation of satisfied requirement, and insulation uses polyolefine material；
Prepared by described stranding:
According to technological requirement, insulated wire cores is carried out stranding with certain arrangement mode, pitch, stranding adds identification tape and carries out core identification, cabling process adds and fills and around packaging material；
Described shielding preparation:
Utilizing braiding or wrapped or vertical bag to shield cable core, the band of employing has copper strips, copper to mould band, aluminium strip, aluminum alloy strip and aluminum plastic belt, and described copper is moulded band and aluminum plastic belt and placed a copper monofilament, aluminium monofilament or aluminium alloy monofilament drainage thread at metal covering；
Prepared by described sheath:
Sheath material selects: polrvinyl chloride or polyolefin；For multiple communication units, sheath uses the method for different colours and lettering different digital to be identified；
(c) optoelectronic composite cable preparation flow；
3.1 power transmission unit preparation flows:
Satisfactory metal pole stock is made first with no-oxygen copper plate, copper ingot, aluminium ingot, alloy composition, recycling big drawing machine or Medium drawing mach ine or little machine drawing come wire drawing and annealing, carry out drawing molding according to the specification of monofilament to be made, in drawing process, by direct current contact, the copper monofilament after drawing is carried out continuous annealing, or anneal again after wire drawing completes, the diameter of the monofilament produced, conductivity and other physical and mechanical propertiess meet technological requirement；
According to the difference of design structure, the monofilament after drawing is directly as conductor, or is combined multifilament as conductor by also silk, synnema, weaving manner；
3.2 power transmission unit conductor divider preparation flows:
Extruding machine is utilized to extrude power transmission unit conductor divider according to shape, the dimensional requirement of regulation；
External the vacating of power transmission unit conductor divider can also be would be required to, fill up formation conductor divider when extruding optoelectronic composite cable sheath；
Communication unit can also be utilized as power transmission unit conductor divider or to be extruded by communication unit in power transmission unit conductor divider；
3.3 smooth unit sheath preparation flows:
1) the single smooth unit of plastic sheath: for the insulant that plastic sheath is satisfied requirement, directly utilize this plastic sheath；
2) the single smooth unit of metal tube sheath: outside extrudes the light unit sheath of requirement；
3) multiple smooth unit:
By light unit stranding, filling, reinforcement material are placed in stranding space, and communication unit is placed in space stranding together with light unit；
Wrapped smooth unit band after stranding, and wrapped or extrude light unit sheath；
3.4 optoelectronic composite cable stranding preparation flows:
By communication unit, power transmission unit conductor, power transmission unit conductor divider and power transmission unit identification tape concentric stranding outside light unit sheath, wherein power transmission conductor divider is placed between two different power transmission unit conductors, communication unit is placed between conductor divider and conductor or is placed on inside conductor divider or as power transmission unit conductor divider；
Wrapped band is carried out outside cable core；
3.5 oversheath preparation flows:
Extruding optoelectronic composite cable oversheath as required, oversheath can be single composition, it is also possible to the composite jacket being made up of following two material: polyolefin, polrvinyl chloride.
Low-voltage optical/electric compound cable the most according to claim 1, it is characterized in that: also include communication unit (2), described communication unit (2) is placed between the stranded space of described smooth unit (4), or is placed between light unit sheath (5) and oversheath (1).
Low-voltage optical/electric compound cable the most according to claim 2, it is characterized in that: communication unit (2) as conductor element divider (6), or can be placed on conductor divider (6) the inside by described communication unit (2).
Low-voltage optical/electric compound cable the most according to claim 1, it is characterized in that: also include tightening light unit band (41) of cable core, use light unit band (41) to tighten outside light unit twisted cable core, extrude outside or wrapped smooth unit sheath (5) simultaneously.
Low-voltage optical/electric compound cable the most according to claim 1, it is characterised in that: described smooth unit (4) is made up of one or more in optical fiber or fibre ribbon, with packing material, reinforcement material, Loose tube, tight sleeve pipe, stainless steel tube.
Low-voltage optical/electric compound cable the most according to claim 1, it is characterised in that: described power transmission unit identification tape (3) uses band or yarn or silk to identify power transmission unit conductor by the way of color or numeral.
Low-voltage optical/electric compound cable the most according to claim 1, it is characterised in that: described power transmission unit conductor (7) uses also silk, stranded or braiding mode to synthesize.
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| CN201510162956.6A CN104751984B (en) | 2015-04-08 | 2015-04-08 | Low-voltage photoelectric composite cable structure and production method thereof |
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| CN201510162956.6A CN104751984B (en) | 2015-04-08 | 2015-04-08 | Low-voltage photoelectric composite cable structure and production method thereof |
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| CN104751984B true CN104751984B (en) | 2017-01-11 |
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| CN105206326A (en) * | 2015-10-15 | 2015-12-30 | 中天科技装备电缆有限公司 | Cable conductor and optical cable conductor resistant to bending and not prone to breaking and manufacturing method thereof |
| CN106981333A (en) * | 2017-05-27 | 2017-07-25 | 东莞市民兴电缆有限公司 | A kind of high residential building composite cable and preparation method thereof |
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| JP4460033B2 (en) * | 2000-04-28 | 2010-05-12 | 古河電気工業株式会社 | Low voltage power line-optical unit composite cable |
| CN202134276U (en) * | 2011-08-08 | 2012-02-01 | 蒋菊生 | Composite cable |
| CN202487239U (en) * | 2012-02-07 | 2012-10-10 | 常熟市谷雷特机械产品设计有限公司 | Five-core cable |
| CN203536088U (en) * | 2013-11-03 | 2014-04-09 | 广东吉青电缆实业有限公司 | A 450/750V and below double-shielded polyvinyl chloride insulation polyvinyl chloride sheath steel-tape armored control cable |
| CN204189509U (en) * | 2014-09-25 | 2015-03-04 | 广东中德电缆有限公司 | Flame-proof damp-proof data cable |
| CN204558133U (en) * | 2015-04-08 | 2015-08-12 | 中天科技装备电缆有限公司 | New Low Voltage optoelectronic composite cable structure |
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Effective date of registration: 20231010 Address after: 226100 No.19, Xinkai South Road, Nantong Development Zone, Nantong City, Jiangsu Province Patentee after: ZHONGTIAN TECHNOLOGY INDUSTRIAL WIRE&CABLE SYSTEM Co.,Ltd. Patentee after: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Address before: 226010 No.19, Xinkai South Road, Nantong Economic Development Zone, Jiangsu Province Patentee before: ZHONGTIAN TECHNOLOGY INDUSTRIAL WIRE&CABLE SYSTEM Co.,Ltd. |