CN207883388U - A kind of comprehensive aerial insulated cable - Google Patents
A kind of comprehensive aerial insulated cable Download PDFInfo
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- CN207883388U CN207883388U CN201820310711.2U CN201820310711U CN207883388U CN 207883388 U CN207883388 U CN 207883388U CN 201820310711 U CN201820310711 U CN 201820310711U CN 207883388 U CN207883388 U CN 207883388U
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- cable
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Abstract
The utility model is related to a kind of comprehensive aerial insulated cables, including twisting together three master cores to form cable core, several control conductors and an optical cable core, polypropylene flame redardant rope is filled in twisted gap, one layer of aluminium plastic membrane of longitudinal wrap after stranding, oversheath is provided on the outside of aluminium plastic membrane, oversheath is connected by dowel with bearer cable, bearer cable and the close grafting of cable core steel wire rope.The utility model is simple in structure, compact to design, easy to use, supports a variety of transmission technologys, safety is good, and scalability is strong, product strong applicability, electromagnetism interference is strong, and external radiativity is small and has preferable flame retardant property, and resistance to solar radiation and the aging of resistance to climate are good.
Description
Technical field
The utility model is related to a kind of comprehensive aerial insulated cables, belong to cable preparing technical field.
Background technology
With the strategy implementation of nation-building smart city and intelligent grid, the informationization of power grid is realized, automate and mutual
The requirement of dynamicization, in recent years, the laying capacity of power grid and communication network are more and more, and city space corridor is very limited, respectively
Kind network layout is more and more, and circuit is crisscross, influences the beauty of environment.Therefore, it is necessary in relatively small space, improve
Existing transmission line capability and message capacity manufacture a kind of high-performance synthesis by power transmission line, control line and communication line as one
Property aerial insulated cable, the disposable synchronous power supply for solving equipment and the transmission problem of control and data.It can solve cable
It repeats to connect up, seizes channel, scissors crossing, the contradictions such as abutment extending hanging wire.To realize power transmission and transformation and the communications field efficiently, safety,
The requirements at the higher level of environmental protection and economy.Using high-performance aerial insulated cable, it can support a variety of transmission technologys, adaptability is high, expands
Malleability is strong, and product is widely applicable and can improve environmental aspect, reduces electromagnetic interference, saves cable laying space, and cable installation is walked
Corridor width can be reduced.High-performance aerial insulated cable can improve the safe and reliable of transmission line of electricity capacity, message capacity and power grid
Property, the confined space corridor in city and suburb can reduce laying space, lifting-line and power transmission line, control line and data twine helad
It is integrated, avoids repeatedly connecting up, not only reduce project cost, and beautified environment, will have preferable social benefit
And economic benefit.
Invention content
Purpose of the utility model is to solve the above problems, provide a kind of synthesis simple in structure, compact to design
Type aerial insulated cable.
The utility model adopts the following technical solution：A kind of comprehensive aerial insulated cable, including twist together and to be formed
Three master cores, several control conductors and an optical cable core for cable core is filled with polypropylene flame redardant rope in twisted gap,
One layer of aluminium plastic membrane of longitudinal wrap after stranding, is provided with oversheath on the outside of the aluminium plastic membrane, the oversheath by dowel with
Bearer cable is connected, and outer jacket, the bearer cable and cable core extrusion molding steel wire rope are extruded on the outside of the bearer cable
Close grafting；
The master core respectively includes the first conductor, internal shield, the first insulating layer and external shielding layer, first conductor
Outside be extruded with internal shield, the first insulating layer, the outside of first insulating layer are coated on the outside of the internal shield
It is extruded with external shielding layer；
The control conductor includes two insulated wire cores twisted together, and the insulated wire cores include the second conductor, institute
It states and is coated with second insulating layer on the outside of the second conductor；The wrapped one layer of aluminium strip layer in outside of insulated wire cores, the aluminium strip layer are arranged outside
There is tincopper fuse wire braided armor, sheath is extruded on the outside of the tincopper fuse wire braided armor；
The optical cable core includes several single mode optical fibers, and the single mode optical fiber is separately positioned in Loose tube, the list
Mode fiber surrounds the enhancing plug twisted synthesizing cable at center, and the outer layer of optical cable core is extruded with restrictive coating.
Further, the first conductor of the master core is made by twisting using several Z-shaped aluminum-alloy wires, twisted section
Diameter ratio is 11 ~ 16, and outermost layer direction of lay is left-hand.
Further, it is provided with gap between the single mode optical fiber and Loose tube.
Further, the bearer cable is twisted using zinc-coated wire.
The utility model has the following advantages that：（1）It is simple in structure, it is compact to design, support a variety of transmission technologys, adaptability
Height, safety is good, and scalability is strong, product strong applicability；
（2）Cable has separated-shielding and total shielding, and electromagnetism interference is strong, and external radiativity is small；
（3）Bearer cable merges with master core, and uses steel wire rope grafting, increases the anti-corrosion ability and tension energy of cable
Power improves safety and the service life of cable run；
（4）Flame retardant property is good, and resistance to solar radiation and the aging of resistance to climate are good, the equal matcoveredn of all components of cable, electricity
The common aerial cable of whole anti-corrosion ability and insulation performance ratio of cable is high, can effectively prevent the accidents such as lightning stroke and fire, improves
The safety and service life that cable uses.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Reference numeral：Master core 1, the first conductor 1-1, internal shield 1-2, the first insulating layer 1-3, external shielding layer 1-4, control
Core 2 processed, the second conductor 2-1, second insulating layer 2-2, aluminium strip layer 2-3, tincopper fuse wire braided armor 2-4, sheath 2-5, cable line
Core 3, Loose tube 3-2, restrictive coating 3-3, enhancing plug 3-4, aluminium plastic membrane 4, oversheath 5, dowel 6, is held single mode optical fiber 3-1
Carry cable wire 7, steel wire rope 8, carrying sheath 9.
Specific implementation mode
Below in conjunction with attached drawing, the utility model will be further described.
A kind of comprehensive aerial insulated cable, including twist together three master cores 1 to form cable core, several controls
Core 2 and an optical cable core 3, are filled with polypropylene flame redardant rope in twisted gap, one layer of aluminium plastic membrane 4 of longitudinal wrap after stranding,
The outside of aluminium plastic membrane 4 is provided with oversheath 5, and oversheath 5 is connected by dowel 6 with bearer cable 7, bearer cable 7
Outside is extruded with carrying sheath 9, bearer cable 7 and cable core 8 close grafting of steel wire rope；Master core 1 respectively includes the first conductor
It is extruded with internal shield 1- on the outside of 1-1, internal shield 1-2, the first insulating layer 1-3 and external shielding layer 1-4, the first conductor 1-1
It is coated on the outside of 2, internal shield 1-2 on the outside of the first insulating layer 1-3, the first insulating layer 1-3 and is extruded with external shielding layer 1-4,
The conductor of master core 1 is made by twisting using several aluminum-alloy wires；Control conductor 2 includes two insulated wires twisted together
Core, insulated wire cores include being coated with second insulating layer 2-2 on the outside of the second conductor 2-1, the second conductor 2-1；The outside of insulated wire cores
Wrapped one layer of aluminium strip layer 2-3, aluminium strip layer are provided with tincopper fuse wire braided armor 2-4, are extruded on the outside of tincopper fuse wire braided armor 2-4 outside
Sheath 2-5；Optical cable core 3 includes several single mode optical fiber 3-1, and single mode optical fiber 3-1 is separately positioned in Loose tube 3-2, single mode
Optical fiber surrounds the enhancing plug 3-4 twisted synthesizing cables at center, and the outer layer of optical cable core is extruded with restrictive coating 3-3, single mode optical fiber 3-1 with
Gap is provided between Loose tube 3-2, bearer cable 7 is twisted using zinc-coated wire, bearer cable 7 and cable core extrusion molding steel wire
It restricts 8 close graftings.
As shown in Figure 1, a kind of comprehensive aerial insulated cable, model specification are：3*25+25（K）+2*2*2.5+G-
24B6, including 3 main line core sections are 25 mm2, 4 control conductor sections are 2.5mm2, optical cable is complete by 24 core B6 class layer-twisted types
Dry type optical transmission unit forms, and bearer cable twisted wire section is 25 mm2。
Master core uses 7 sections for 3.98 mm2Aluminium alloy single line be twisted, molded line be " Z " type shape aluminium close
Golden single line, it is 11 ~ 16 to be twisted lay ratio, and outermost layer direction of lay is left-hand, and outer diameter is 5.7 ~ 6.0 mm after being twisted.20 DEG C are led
Bulk resistor is not more than 1.372 Ω/km.Insulating layer is anti-flaming ultraviolet radiation cross-linking radiation polyolefin, be with polyolefin is main former
Material mixes suitable photoinitiator, is irradiated under normal pressure to high molecular material, energy-efficient, light not damaged to material
Polymeric inner effect can be deep into.Insulation thickness controls between 1.2 ~ 1.26 mm.
Second conductor of control conductor is copper clad aluminum conductor, cross-sectional area of conductor 2.5mm2, second is coated on the second conductor
Insulating layer, second insulating layer thickness are 0.80 ~ 0.84 mm, and the material of second insulating layer is ultraviolet light irradiation cross-linking polyolefin,
Then the control conductor of two eradication edge is twisted together, after insulated wire cores twisted synthesizing cable, wrapped one layer of aluminium strip layer, aluminium strip thickness
Degree is 0.07 mm, and the outside setting tincopper fuse wire braided armor of aluminium strip layer, which is formed, combines shielded layer, a diameter of the 0.2 of tinned copper wire
Mm, count 86%, outside extrude one layer of sheath, and covering thickness is 1.20 ~ 1.26 mm.
Optical cable core is made of silica-based single mode optical fiber, and single mode optical fiber is placed in Loose tube, and single mode optical fiber exists
There are 0.8% or so remaining length in Loose tube is used in combination solid-state water-blocking material to ensure that optical fiber when by outer force effect, is not subject to tension
Filling, more single mode optical fiber units surround the enhancing plug twisted synthesizing cable at center, and the Young's modulus for enhancing plug is more than 110GPa,
Minimum tensile strength is 2500MPa, and to enhance the tensile property of optical cable core, when light unit stranding, gap is filled out with water blocking yarn
It fills, the restrictive coating that a layer thickness is 1.2 mm anti-flaming ultraviolet radiation cross-linking radiation polyolefin is extruded on the outside of optical cable core.
It closely twists together 3 major insulation cores, 2 control signal wire cores, 1 optical cable core to form cable core,
One layer of aluminium plastic membrane of longitudinal wrap can play radial water-resisting and shielding action after stranding.
Bearer cable is that 7 zinc-coated wires are twisted, and can play the role of carrying, then be placed on bearer cable above
Position parallelly extrudes one layer of flame-proof weather-resisting type ultraviolet lighting sheath material, bearer cable and comprehensive photoelectricity respectively together with cable core
There is a dowel between cable, plays fixed bearer cable and comprehensive photoelectricity cable, so as not to relatively move,
Stress concentration is prevented, cable is damaged.With the close grafting of steel wire rope after extruding, with increase cable cable wire bearing capacity,
Improve the safety and service life that cable uses.
Claims (4)
1. a kind of comprehensive aerial insulated cable, it is characterised in that：Three master cores of cable core are formed including twisting together
（1）, several control conductors（2）With an optical cable core（3）, polypropylene flame redardant rope is filled in twisted gap, after stranding
One layer of aluminium plastic membrane of longitudinal wrap（4）, the aluminium plastic membrane（4）Outside be provided with oversheath（5）, the oversheath（5）Pass through company
Connect muscle（6）With bearer cable（7）It is connected, the bearer cable（7）Outside be extruded with carrying sheath（9）, the carrying steel
Rope（7）With cable core steel wire rope（8）Close grafting；
The master core（1）Respectively include the first conductor（1-1）, internal shield（1-2）, the first insulating layer（1-3）And external shield
Layer（1-4）, first conductor（1-1）Outside be extruded with internal shield（1-2）, the internal shield（1-2）Outside packet
It is covered with the first insulating layer（1-3）, first insulating layer（1-3）Outside be extruded with external shielding layer（1-4）；
The control conductor（2）The insulated wire cores twisted together including two, the insulated wire cores include the second conductor（2-
1）, second conductor（2-1）Outside is coated with second insulating layer（2-2）；The wrapped one layer of aluminium strip layer in outside of insulated wire cores（2-
3）, tincopper fuse wire braided armor is provided with outside the aluminium strip layer（2-4）, the tincopper fuse wire braided armor（2-4）Outside is extruded with shield
Layer（2-5）；
The optical cable core（3）Including several single mode optical fibers（3-1）, the single mode optical fiber（3-1）It is separately positioned on Loose tube
（3-2）Interior, the single mode optical fiber surrounds the enhancing plug at center（3-4）The outer layer of twisted synthesizing cable, optical cable core is extruded with sheath
Layer（3-3）.
2. comprehensive aerial insulated cable as described in claim 1, it is characterised in that：The master core（1）The first conductor
（1-1）It is made by twisting using several Z-shaped aluminum-alloy wires, twisted lay ratio is 11 ~ 16, and outermost layer direction of lay is a left side
To.
3. comprehensive aerial insulated cable as described in claim 1, it is characterised in that：The single mode optical fiber（3-1）It is covered with pine
Pipe（3-2）Between be provided with gap.
4. comprehensive aerial insulated cable as described in claim 1, it is characterised in that：The bearer cable（7）Using zinc-plated
Steel wire is twisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310711.2U CN207883388U (en) | 2018-03-07 | 2018-03-07 | A kind of comprehensive aerial insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310711.2U CN207883388U (en) | 2018-03-07 | 2018-03-07 | A kind of comprehensive aerial insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207883388U true CN207883388U (en) | 2018-09-18 |
Family
ID=63496767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820310711.2U Expired - Fee Related CN207883388U (en) | 2018-03-07 | 2018-03-07 | A kind of comprehensive aerial insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207883388U (en) |
-
2018
- 2018-03-07 CN CN201820310711.2U patent/CN207883388U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20190307 |