CN108399973A - A kind of high-efficiency shielding type composite cable - Google Patents
A kind of high-efficiency shielding type composite cable Download PDFInfo
- Publication number
- CN108399973A CN108399973A CN201810376634.5A CN201810376634A CN108399973A CN 108399973 A CN108399973 A CN 108399973A CN 201810376634 A CN201810376634 A CN 201810376634A CN 108399973 A CN108399973 A CN 108399973A
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- Prior art keywords
- layer
- composite cable
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- type composite
- shielding type
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1008—Features relating to screening tape per se
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/021—Features relating to screening tape per se
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses a kind of high-efficiency shielding type composite cables, it is related to composite cable technical field, the present invention includes four groups of lead units being staggered by circumference and four groups of fiber units, it is disposed with interior wrapping layer outside four groups of lead units and four groups of fiber units, plastic-coated steel belt layer, shielded layer, steel wire armor layer and external sheath layer, optical fiber cream and a machinery enhancing core are provided at interior wrapping layer internal clearance, every group of lead unit is disposed with the copper conductor that blocks water from inside to outside, conductor shield, XLPE insulating layers, copper strip shielding layer, comprehensive waterproof layer and HDPE sheaths；The good advantage of the configuration of the present invention is simple, shield effectiveness compared with common optoelectronic composite cable.
Description
Technical field
The present invention relates to composite cable technical fields, more particularly to a kind of high-efficiency shielding type composite cable.
Background technology
Optoelectronic composite cable makees transmission line suitable for broadband access network system, is a kind of novel access way, its light harvesting
Fine, transmission of electricity copper wire can solve the problems, such as broadband access, equipment electricity consumption, signal transmission in one.
Traditional cable and optical fiber are mostly split, and optoelectronic composite cable structure is less, and scheming logical photoelectric compound cable has
Outer diameter is small, light-weight, and occupying little space, (series of problems that could be solved with more cables under normal conditions can use one herein
Root composite rope replaces), the communication cable of transmission data pays much attention to communication quality, and it is dry to come from external electromagnetism
It disturbs, it is easy to cause error in data.
Common photoelectric compound cable is simple in structure, has a single function, especially for certain to the anti-interference of composite cable
Property require relatively high field, the shielded layer of common cable mostly uses tinsel establishment, and cable shield is susceptible to outer
Foreskin bulge or the problem of pierce through core.
How above-mentioned technical problem striving direction at those skilled in the art is solved.
Invention content
It is an object of the invention to：In order to solve the bad technical problem of shield effectiveness that common photoelectricity meets cable, this hair
It is bright that a kind of high-efficiency shielding type composite cable is provided.
The present invention specifically uses following technical scheme to achieve the goals above：
A kind of high-efficiency shielding type composite cable, which is characterized in that include four groups of lead units being staggered by circumference and
Be disposed with outside four groups of fiber units, described four groups of lead units and four groups of fiber units interior wrapping layer, plastic-coated steel belt layer,
Shielded layer, steel wire armor layer and external sheath layer are provided with optical fiber cream and a machinery enhancing core at interior wrapping layer internal clearance, described
Every group of lead unit be disposed with from inside to outside the copper conductor that blocks water, conductor shield, XLPE insulating layers, copper strip shielding layer,
Comprehensive waterproof layer and HDPE sheaths.
Further, the conductor shield is that the galvanized steel strip that thickness is 1.3~3.4mm is entwined, galvanized steel strip
On be evenly arranged with the heat dissipation aperture of a diameter of 250-520um.
Further, the material of the external sheath layer be cross-linking radiation polyolefin or irradiation that thickness is 0.6~1.1mm
Coupling ethylene propylene rubber material, machinery enhancing core are worked out by the zinc-coated wire of a diameter of 0.21~0.3mm.
Further, it is disposed with insulation screen from inside to outside between the XLPE insulating layers, copper strip shielding layer
With semiconductive water blocking layer.
Further, every group of fiber unit includes the insulating layer of outside and several optical fiber in insulating inner is arranged,
The material of insulating layer is polybutylene terephthalate (PBT).
Further, shielded layer includes the copper foil layer that thickness is 1.1um, and the aluminium that thickness is 11~12um is coated on copper foil layer
Layers of foil, is provided through the through-hole of copper foil layer and aluminium foil layer on shielded layer, the through-hole at array distribution, pitch of holes 160
~340um, through-hole diameter are 20~325um.
Further, it is provided with tear rope between the steel wire armor layer and external sheath layer.
Further, the comprehensive waterproof layer includes dry filling oxidant layer from inside to outside, expansion waterproofing rope layer, radial gear
Damp layer, the expansion line that blocks water includes the base of woven dacron and the particulate expandable that is bonded in base, and the material of particulate expandable is
Cellulose, acrylamide, acrylate copolymer.
Beneficial effects of the present invention are as follows：
1, the configuration of the present invention is simple integrates the advantage of four groups of lead units and four groups of fiber units, may be implemented more
Kind function；The setting of the conductor shield, copper strip shielding layer of lead unit plays preliminary shielding action, outside plastic-coated steel belt layer
It is good to further enhance shield effectiveness for shielded layer；The cable overall structure is uncomplicated simultaneously, has the advantages that lighter weight, fits
In use.
2, shielded layer includes the copper foil layer that thickness is 1.1um, and the aluminium foil layer that thickness is 11~12um, screen are coated on copper foil layer
Cover the through-hole that copper foil layer and aluminium foil layer are provided through on layer, the through-hole at array distribution, pitch of holes is 160~340um,
Through-hole diameter is 20~325um, and this structure of shielded layer can ensure shielded layer under identical thickness, using this structure ratio
Traditional list more saves copper material using layers of copper structure, has saved cost, and on the other hand, aluminium foil quality is lighter, to also reduce
The weight of shielded layer, shielded layer are evenly equipped with through-hole, outer this configuration avoids using tinsel to occur when working out cable shield
Foreskin bulge or the problem of pierce through core.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of lead unit.
Specific implementation mode
In order to which those skilled in the art are better understood from the present invention, below in conjunction with the accompanying drawings with following embodiment to the present invention
It is described in further detail.
Embodiment 1
Include four groups of lead units 2 being staggered by circumference and four groups of fiber units 1, described four groups of lead units 2
It is disposed with interior wrapping layer 5, plastic-coated steel belt layer 6, shielded layer 7, steel wire armor layer 8 and oversheath outside with four groups of fiber units 1
Layer 9, is provided with optical fiber cream 4 and a machinery enhancing core 3 at 3 internal clearance of interior wrapping layer, every group of lead unit 2 from it is interior to
It is disposed with the copper conductor 2-1 that blocks water, conductor shield 2-2, XLPE insulating layer 2-3, copper strip shielding layer 2-6, comprehensive waterproof outside
Layer 2-7 and HDPE sheaths 2-8.
The conductor shield 2-2 is that the galvanized steel strip that thickness is 1.3~3.4mm is entwined, on galvanized steel strip uniformly
It is provided with the heat dissipation aperture of a diameter of 250-520um.
In the present embodiment, integrates the advantage of four groups of lead units and four groups of fiber units, multiple functions may be implemented；
The setting of the conductor shield, copper strip shielding layer of lead unit plays preliminary shielding action, the shielded layer outside plastic-coated steel belt layer,
It is good to further enhance shield effectiveness；The cable overall structure is uncomplicated simultaneously, has the advantages that lighter weight, is suitable for using.
Embodiment 2
The present embodiment is further optimized on the basis of embodiment 1, specifically：
The material of the external sheath layer 9 be cross-linking radiation polyolefin or cross-linking radiation second third that thickness is 0.6~1.1mm
Rubber material, machinery enhancing core 3 are worked out by the zinc-coated wire of a diameter of 0.21~0.3mm.
It is disposed with insulation screen 2-4 from inside to outside between XLPE insulating layers 2-3, the copper strip shielding layer 2-6
With semiconductive water blocking layer 2-5.
Several optical fiber 1- every group of fiber unit 1 the insulating layer 1-2 including outside and be arranged inside insulating layer 1-2
The material of 1, insulating layer 1-2 are polybutylene terephthalate (PBT).
Embodiment 2
The present embodiment is further optimized on the basis of embodiment 1 or 2, specifically：
Shielded layer 7 includes the copper foil layer that thickness is 1.1um, and the aluminium foil layer that thickness is 11~12um, screen are coated on copper foil layer
Cover the through-hole that copper foil layer and aluminium foil layer are provided through on layer, the through-hole at array distribution, pitch of holes is 160~340um,
Through-hole diameter is 20~325um.
It is provided with tear rope 10 between the steel wire armor layer 8 and external sheath layer 9.
The comprehensive waterproof layer 2-7 includes dry filling oxidant layer from inside to outside, expansion waterproofing rope layer, radial moisture-proof layer,
Described to expand the base and the particulate expandable being bonded in base that the line that blocks water includes woven dacron, the material of particulate expandable is fiber
Element, acrylamide, acrylate copolymer.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, patent protection model of the invention
It encloses and is subject to claims, equivalent structure variation made by every specification and accompanying drawing content with the present invention, similarly
It should be included within the scope of the present invention.
Claims (8)
1. a kind of high-efficiency shielding type composite cable, which is characterized in that include four groups of lead units (2) being staggered by circumference and
It is disposed with interior wrapping layer outside four groups of fiber units (1), described four groups of lead units (2) and four groups of fiber units (1)
(5), plastic-coated steel belt layer (6), shielded layer (7), steel wire armor layer (8) and external sheath layer (9) are set at interior wrapping layer (3) internal clearance
It is equipped with optical fiber cream (4) and a machinery enhancing core (3), every group of lead unit (2) is disposed with from inside to outside to be blocked water
Copper conductor (2-1), conductor shield (2-2), XLPE insulating layers (2-3), copper strip shielding layer (2-6), comprehensive waterproof layer (2-7) and
HDPE sheaths (2-8).
2. high-efficiency shielding type composite cable according to claim 1, which is characterized in that the conductor shield (2-2) is
Thickness is that the galvanized steel strip of 1.3~3.4mm is entwined, and the heat dissipation of a diameter of 250-520um is evenly arranged on galvanized steel strip
Aperture.
3. high-efficiency shielding type composite cable according to claim 1 or 2, which is characterized in that the material of the external sheath layer (9)
Matter be cross-linking radiation polyolefin or cross-linking radiation EP rubbers material that thickness is 0.6~1.1mm, machinery enhancing core (3) by
The zinc-coated wire of a diameter of 0.21~0.3mm is worked out.
4. high-efficiency shielding type composite cable according to claim 1, which is characterized in that the XLPE insulating layers (2-3),
Insulation screen (2-4) and semiconductive water blocking layer (2-5) are disposed between copper strip shielding layer (2-6) from inside to outside.
5. high-efficiency shielding type composite cable according to claim 1, which is characterized in that every group of fiber unit (1) packet
It includes external insulating layer (1-2) and several optical fiber (1-1) internal in insulating layer (1-2) is set, the material of insulating layer (1-2) is
Polybutylene terephthalate (PBT).
6. high-efficiency shielding type composite cable according to claim 1, which is characterized in that shielded layer (7) includes that thickness is
The copper foil layer of 1.1um is coated with the aluminium foil layer that thickness is 11~12um on copper foil layer, copper foil layer and aluminium is provided through on shielded layer
The through-hole of layers of foil, the through-hole at array distribution, pitch of holes is 160~340um, and through-hole diameter is 20~325um.
7. high-efficiency shielding type composite cable according to claim 1, which is characterized in that the steel wire armor layer (8) and
Tear rope (10) is provided between external sheath layer (9).
8. high-efficiency shielding type composite cable according to claim 1, which is characterized in that comprehensive waterproof layer (2-7) packet
Oxidant layer, expansion waterproofing rope layer, radial moisture-proof layer are filled in the drying included from inside to outside, described to expand the base that the line that blocks water includes woven dacron
The material of layer and the particulate expandable being bonded in base, particulate expandable is cellulose, acrylamide, acrylate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376634.5A CN108399973A (en) | 2018-04-25 | 2018-04-25 | A kind of high-efficiency shielding type composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810376634.5A CN108399973A (en) | 2018-04-25 | 2018-04-25 | A kind of high-efficiency shielding type composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108399973A true CN108399973A (en) | 2018-08-14 |
Family
ID=63099380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810376634.5A Withdrawn CN108399973A (en) | 2018-04-25 | 2018-04-25 | A kind of high-efficiency shielding type composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108399973A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130119A (en) * | 2020-01-15 | 2021-07-16 | 广州粤道实业有限公司 | Flame-retardant optical fiber composite cable |
-
2018
- 2018-04-25 CN CN201810376634.5A patent/CN108399973A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113130119A (en) * | 2020-01-15 | 2021-07-16 | 广州粤道实业有限公司 | Flame-retardant optical fiber composite cable |
| CN113130119B (en) * | 2020-01-15 | 2022-05-13 | 广州粤道实业有限公司 | Flame-retardant optical fiber composite cable |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180814 |