CN209297815U - A kind of reinforced highly conductive extra-high-tension cable - Google Patents
A kind of reinforced highly conductive extra-high-tension cable Download PDFInfo
- Publication number
- CN209297815U CN209297815U CN201920201692.4U CN201920201692U CN209297815U CN 209297815 U CN209297815 U CN 209297815U CN 201920201692 U CN201920201692 U CN 201920201692U CN 209297815 U CN209297815 U CN 209297815U
- Authority
- CN
- China
- Prior art keywords
- semi
- conductive
- buffer layer
- tension cable
- extra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model discloses a kind of reinforced highly conductive extra-high-tension cable, including stranded conductor, successively coating conductor shielded layer, insulating layer and insulation screen are first overlapped after wrapped semiconductive belt again with one heart outside the stranded conductor；Wrapped first semi-conductive buffer layer and the second semi-conductive buffer layer are successively overlapped outside the insulation screen, reinforcing braid is coated between the first semi-conductive buffer layer and the second semi-conductive buffer layer, pitch corrosion-inhibiting coating is coated in corrugated aluminum sheath outer surface again after first coating corrugated aluminum sheath outside the second semi-conductive buffer layer, finally, in the outermost layer extruded insulation type high-density polyethylene outer sheath of the cable, and one layer of electrically conductive graphite ene coatings are coated outside insulated type high-density polyethylene outer sheath.The construction of cable is simple, easy processing, ultra-high conductivity, superelevation tensile strength, stable structure, long service life.
Description
Technical field
The utility model relates to wire and cable fields, and in particular to a kind of reinforced highly conductive extra-high-tension cable.
Background technique
With the continuous development of society, urbanization process is constantly accelerated, and power load is increasing, power supply and transmission system
Security requirement it is also higher and higher.The needs beautified simultaneously according to the city appearance of the city are vigorously implemented with national urban network transformation,
It is increasing to super-pressure, big section, the requirement of long length power cable, to enter overhead line to realize urban.
High pressure, ultra-high voltage cross-linking cable are mainly used for the conveying of large capacity high voltage electric energy, and especially power station is mostly built in greatly
Deep mountain valleys, it is necessary to using high pressure, the ultra-high voltage cross-linking cable output electric energy for being able to satisfy high drop, some large-scale pumped storage power electricity
It stands also using 220~500kV high pressure, ultra-high voltage cross-linking cable.As that reformed and opened up to the outside world in recent years deepens continuously, national economy with
The fast development of electric utility, other than large-scale power generation project need to be using high-pressure cross-linking cable, large-scale urban distribution network changes
The demand made to high-pressure cross-linking cable is also more urgent, and the demand of especially 110~220kV grades of high-pressure cross-linking cable is more come
Bigger.According to the preliminary statistics, China shares 35kVCCV(catenary suspension type continuous vulcanization at present) mesolow cable production line nearly 450；110kV and with
Upper cross-linked power cable production line is nearly 70 (are contained in and build), and wherein VCV(is vertical) production line nearly 50, CCV(catenary suspension type continuous vulcanization) production
About 20, line, annual production capacity about 25000km(is calculated by 110kV).From China's economic development and power construction to 110kV and with
The demand of upper high-pressure cross-linking cable sees that growth ratio in recent years is predicted as 25% or so by many industry sources.
Shielding material volume resistivity is high inside and outside semiconductive used in country's extra-high-tension cable at present, and surface flatness is not
It reaches, it is not ideal enough to cable shield homogenizing electric field effect, and rely on import.In addition semiconductive must be used in extra-high-tension cable
Buffer layer plays the role of buffering, reduction electric field strength, but the sheet resistance and volume resistance of current Semi-conductive buffer band
Rate is larger, will lead to cable local pyrexia when with aluminium sheath poor contact, punctures aluminium sheath, or even burn cable phenomenon.
Utility model content
In order to overcome the deficiencies in the prior art, reinforced highly conductive extra-high-tension cable, construction of cable letter are provided
List, easy processing, ultra-high conductivity, superelevation tensile strength, stable structure, long service life.
To achieve the above object, a kind of reinforced highly conductive extra-high-tension cable is handed in the utility model offer, including is twisted and is led
Body, the stranded conductor successively coat leading with a thickness of 1.5mm ~ 2.0mm after being first overlapped wrapped semiconductive belt with one heart outside again
Body shielded layer, the insulating layer with a thickness of 16.0mm ~ 34.0mm and the insulation screen with a thickness of 1.0mm ~ 2.0mm；Described
It is successively overlapped wrapped first semi-conductive buffer layer and the second semi-conductive buffer layer outside insulation screen, in the first semi-conductive buffer layer
And second cladding between semi-conductive buffer layer with a thickness of 1.0mm ~ 4.0mm reinforcing braid, outside the second semi-conductive buffer layer
Pitch corrosion-inhibiting coating is coated in corrugated aluminum sheath outer surface again after first coating corrugated aluminum sheath, finally, in the outermost layer of the cable
Extruded insulation type high-density polyethylene outer sheath, and one layer of conductive graphene is coated outside insulated type high-density polyethylene outer sheath
Coating.
Preferably, the twisted copper conductors are round compacted comductor or circular dividing conductor, by more soft round copper wires or
Aluminium wire is twisted.
Preferably, the semiconductive belt is using volume resistivity and sheet resistance respectively 1 × 105Ω cm and
The compound semi-conductive tape of 100 Ω graphene below, using overlapping lapping structure, overlap rate is not less than 15%.
Preferably, the conductor shield is using 20 DEG C of volume resistivities in 20 Ω cm ultra-clean ultra-smooth below
The conductor shield that the compound high semiconductive inner shield material of cross-linking type graphene is prepared.
Preferably, the insulating layer is the insulating layer being prepared using super-clean cross-linked polyethylene insulating material.
Preferably, the insulation screen is to be sliped and fall using 20 DEG C of volume resistivities in 20 Ω cm ultra-clean ultraphotic below
The insulation screen that the compound high semiconductive external shield material of connection type graphene is prepared.
Preferably, the first semi-conductive buffer layer and the second semi-conductive buffer layer are all made of volume resistivity and surface
Resistance is respectively 1 × 105Ω cm and the compound Semi-conductive buffer band of 150 Ω graphene below are taken using overlapping lapping structure
Lid rate is not less than 20%.
Preferably, the reinforcing braid is woven by ultralight metallized fibre, with a thickness of 1.0mm-4.0mm, is compiled
Density is knitted not less than 50%.
Preferably, the ultralight metallized fibre on pbo fiber substrate uniformly securely coated metal and formed
Lyofil conductive fiber.
Preferably, the insulated type high-density polyethylene outer sheath with a thickness of 4.0mm-6.0mm.
Compared with prior art, the utility model has the beneficial effects that:
The improvement of this cable, so that the cable is a kind of completely new structure, it is equal using volume resistivity and sheet resistance
External shield material, the compound semi-conductive tape of graphene, graphene are compound in high semiconductive compound better than the graphene of existing product performance
Semi-conductive buffer band and electrically conductive graphite ene coatings improve the effect of cable homogenizing electric field, prevent shelf depreciation from generating, improve
Cable reliability of operation and service life, and solve existing buffer strip because resistance height and aluminium sheath localized contact it is bad caused by
Local pyrexia punctures aluminium sheath and burns cable phenomenon；
Wherein, reinforcing braid is woven by ultralight metallized fibre, and with a thickness of 1.0mm-4.0mm, count is not
Less than 50%；Ultralight metallized fibre is Lyofil conductive fiber, and Lyofil conductive fiber is in high-intensitive pbo fiber base
On material uniformly securely coated metal and formed, Lyofil fiber increases conductive, shielding function while taking into account pbo fiber advantage
Can, it can be used for cable shielding layer, be widely used in cable；Lyofil show common metal silk be unable to reach it is very much
Performance, for example, it is high-intensitive, flexibly resistant to bending etc.；Material may be used as cable time outer layer, and Lyofil combines the soft of textile
The electric conductivity of toughness, the intensity of PBO substrate and copper metal, to greatly reinforce the resistance to breakdown of cable, conduction, shielding, bending resistance
The performances such as folding；
In addition, the pbo fiber in Lyofil conductive fiber using " hat of World super fiber " is as substrate, the material
It is mechanical property and the highest kind of heat resistance in organic high-performance fiber, tensile strength and modulus are almost p-aramid fiber
Twice, heat resistance is 100 DEG C higher than p-aramid fiber, and limit oxygen index (LOI) is fireproof fibre up to 68, and its density is 1.54-
1.56g/cm3, it is also lighter than carbon fiber, using this material improves the tensile strength of cable and wear-resisting bending fatigue resistance energy,
And improve the service life of cable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
The structural schematic diagram for the stranded conductor that Fig. 2 is.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1, the utility model provides a kind of reinforced highly conductive extra-high-tension cable, including stranded conductor 1, it is twisted
Copper conductor is round compacted comductor, is twisted by more soft round copper wires or aluminium wire；First overlapping with one heart outside the stranded conductor
The conductor shield 3 with a thickness of 1.5mm ~ 2.0mm is coated after wrapped semiconductive belt 2, successively again with a thickness of 16.0mm ~ 34.0mm
Insulating layer 4 and insulation screen 5 with a thickness of 1.0mm ~ 2.0mm；Wrapped the is successively overlapped outside the insulation screen
Half conductive buffer layer 6 and the second semi-conductive buffer layer 8 wrap between the first semi-conductive buffer layer and the second semi-conductive buffer layer
The reinforcing braid 7 with a thickness of 1.0mm ~ 4.0mm is covered, is existed again after corrugated aluminum sheath 9 is first coated outside the second semi-conductive buffer layer
Corrugated aluminum sheath outer surface coats pitch corrosion-inhibiting coating 10, finally, the outermost layer in the cable extrudes with a thickness of 4.0mm-6.0mm
Insulated type high-density polyethylene outer sheath 11, and on insulated type high-density polyethylene outer sheath outer surface coat one layer of conduction
Graphene forms conductive coating 12.
As shown in Fig. 2, the stranded conductor 1 is circular dividing conductor, specially circular central presses strand block and surrounding
It is uniformly distributed the structure of five shoe stock blocks, is conducive to stranding conductor structure and stablizes；Large size conductor is divided into insulated from each other
Several parts, caused by mitigating to the maximum extent because of kelvin effect conductor AC resistance increase, efficiently reduce conductor losses hair
Heat increases the current-carrying capacity of conductor, improves the transmission capacity of cable.Split share block stability is good, and roundness is good；It is answered through overtesting
With the advantage for lowering kelvin effect is significant, the big section extra-high-tension cable being suitable for.
In order to further increase the properties of cable, wherein the semiconductive belt uses volume resistivity and table
Surface resistance is respectively 1 × 105Ω cm and the compound semi-conductive tape of 100 Ω graphene below are put up using overlapping lapping structure
Rate is not less than 15%；Conductor shield is using 20 DEG C of volume resistivities in 20 Ω cm ultra-clean ultra-smooth cross-linking type stone below
The conductor shield that the black compound high semiconductive inner shield material of alkene is prepared；Insulating layer is using super-clean cross-linked polyethylene insulating material
The insulating layer being prepared；Insulation screen is to be crosslinked using 20 DEG C of volume resistivities in 20 Ω cm ultra-clean ultra-smooth below
The insulation screen that the compound high semiconductive external shield material of type graphene is prepared；The first semi-conductive buffer layer and second
Semi-conductive buffer layer is all made of volume resistivity and sheet resistance respectively 1 × 105Ω cm and 150 Ω graphene below are multiple
Semi-conductive buffer band is closed, using overlapping lapping structure, overlap rate is not less than 20%；
External shield material, semi-conductive tape, Semi-conductive buffer band and conductive coating are all made of electric conductivity in used by above
Excellent graphene is conductive filler, so that the volume resistivity of these materials, sheet resistance, mechanical performance and thermal stability
It is superior to existing product, substantially increases the effect of cable homogenizing electric field, and prevents shelf depreciation from generating, improves cable operation
Reliability and service life, and solve existing Semi-conductive buffer band because resistance height and aluminium sheath localized contact it is bad caused by part
Fever punctures aluminium sheath and burns cable phenomenon.
There is punch-through between the first semi-conductive buffer layer and the second semi-conductive buffer layer in order to prevent, therebetween
Reinforcing braid is added, which is woven by ultralight metallized fibre, with a thickness of 1.0mm-4.0mm, is woven close
Degree is not less than 50%；Ultralight metallized fibre is Lyofil conductive fiber, and Lyofil conductive fiber is U.S.'s SYSCOM system
It makes, is ultralight metallized fibre manufacturer advanced in the world, patented technology can be uniformly firm on different non-metallic substrates
Gu coated metal becomes conductive fiber, Lyofil conductive fiber is exactly the uniform secured coating on high-intensitive pbo fiber substrate
Metal and formed, Lyofil fiber increases conductive, function of shielding while taking into account pbo fiber advantage, can be used for cable shielding
Layer and anti-wave sleeve and communication flexible antennas, are widely used in aerospace, ship, and robot cable and accurate communication sensing are set
In standby；Lyofil shows many performances that common metal silk is unable to reach, such as high-intensitive, flexibly resistant to bending etc.；Material
It may be used as cable time outer layer, Lyofil combines the conduction of the flexibility of textile, the intensity of PBO substrate and copper metal
Property, to greatly reinforce the performances such as the resistance to breakdown of cable, conduction, shielding, resistant to bending.
The above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of this field
For member, without departing from the principle of this utility model, several variations and modifications can also be made, these also should be regarded as belonging to
In the protection scope of the utility model.
Claims (10)
1. a kind of reinforced highly conductive extra-high-tension cable, which is characterized in that first same outside the stranded conductor including stranded conductor
The heart be overlapped after wrapped semiconductive belt successively coat again the conductor shield with a thickness of 1.5mm ~ 2.0mm, with a thickness of 16.0mm ~
The insulating layer of 34.0mm and insulation screen with a thickness of 1.0mm ~ 2.0mm；Outside the insulation screen successively overlapping around
The first semi-conductive buffer layer and the second semi-conductive buffer layer are wrapped, between the first semi-conductive buffer layer and the second semi-conductive buffer layer
The reinforcing braid with a thickness of 1.0mm ~ 4.0mm is coated, is existed again after corrugated aluminum sheath is first coated outside the second semi-conductive buffer layer
Corrugated aluminum sheath outer surface coats pitch corrosion-inhibiting coating, finally, in the outermost layer extruded insulation type high density polyethylene (HDPE) of the cable
Oversheath, and one layer of electrically conductive graphite ene coatings are coated outside insulated type high-density polyethylene outer sheath.
2. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: the twisted copper conductors are
Round compacted comductor or circular dividing conductor are twisted by more soft round copper wires or aluminium wire.
3. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: the semiconductive belt is adopted
With volume resistivity and sheet resistance respectively 1 × 105Ω cm and the compound semi-conductive tape of 100 Ω graphene below use
It is overlapped lapping structure, overlap rate is not less than 15%.
4. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: the conductor shield is
Using 20 DEG C of volume resistivities in the 20 Ω cm ultra-clean compound high semiconductive inner shield material of ultra-smooth cross-linking type graphene below
The conductor shield being prepared.
5. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: the insulating layer is using super
The insulating layer that net cross-linked polyethylene insulating material is prepared.
6. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: the insulation screen is to adopt
With 20 DEG C of volume resistivities in the 20 Ω cm ultra-clean compound high semiconductive external shield material system of ultra-smooth cross-linking type graphene below
Insulation screen made of standby.
7. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: first semiconductive is slow
It rushes layer and the second semi-conductive buffer layer is all made of volume resistivity and sheet resistance respectively 1 × 105Ω cm and 150 Ω or less
The compound Semi-conductive buffer band of graphene, using overlapping lapping structure, overlap rate be not less than 20%.
8. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: the reinforcing braid by
Ultralight metallized fibre weaves, and with a thickness of 1.0mm-4.0mm, count is not less than 50%.
9. reinforced highly conductive extra-high-tension cable according to claim 8, it is characterised in that: the ultralight plating metal is fine
The Lyofil conductive fiber that dimension is formed for securely coated metal uniform on pbo fiber substrate.
10. reinforced highly conductive extra-high-tension cable according to claim 1, it is characterised in that: the insulated type is highly dense
Spend polyethylene outer sheath with a thickness of 4.0mm-6.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201692.4U CN209297815U (en) | 2019-02-15 | 2019-02-15 | A kind of reinforced highly conductive extra-high-tension cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201692.4U CN209297815U (en) | 2019-02-15 | 2019-02-15 | A kind of reinforced highly conductive extra-high-tension cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209297815U true CN209297815U (en) | 2019-08-23 |
Family
ID=67643006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920201692.4U Active CN209297815U (en) | 2019-02-15 | 2019-02-15 | A kind of reinforced highly conductive extra-high-tension cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209297815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672644A (en) * | 2019-09-04 | 2020-01-10 | 国网电力科学研究院武汉南瑞有限责任公司 | Cable buffer layer state evaluation method and system |
| CN116779239A (en) * | 2022-05-27 | 2023-09-19 | 广州南洋电缆集团有限公司 | Graphene composite high-semiconducting internal and external shielding impact-resistant medium-voltage power cable |
-
2019
- 2019-02-15 CN CN201920201692.4U patent/CN209297815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672644A (en) * | 2019-09-04 | 2020-01-10 | 国网电力科学研究院武汉南瑞有限责任公司 | Cable buffer layer state evaluation method and system |
| CN116779239A (en) * | 2022-05-27 | 2023-09-19 | 广州南洋电缆集团有限公司 | Graphene composite high-semiconducting internal and external shielding impact-resistant medium-voltage power cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202134257U (en) | Overhead lead having carbon fiber complex core photoelectric composite structure | |
| CN102969065B (en) | 400Hz in-parallel balanced structure cable for ships and manufacture method thereof | |
| CN209297815U (en) | A kind of reinforced highly conductive extra-high-tension cable | |
| WO2013000271A1 (en) | Reinforced optical fiber composite high temperature resistant overhead insulated cable | |
| CN205050594U (en) | Low temperature resistant antitorque commentaries on classics multicore wind energy control cable | |
| CN108281232A (en) | High-performance creep resistant aluminium alloy power cable | |
| CN201036070Y (en) | Composite material overhead conductor | |
| CN203192526U (en) | Specially-shaped aerial conductor | |
| CN206774267U (en) | A kind of Special cable for petroleum platform | |
| CN109671536A (en) | A kind of high temperature resistant aviation wire preparation method | |
| CN108899121A (en) | A kind of environment resistant aging polyolefin photovoltaic cable | |
| CN212750464U (en) | Ultrahigh-voltage flame-retardant cable | |
| CN208521676U (en) | It is a kind of based on the power cable for pressing shoe conductor arrangement | |
| CN205722966U (en) | The electric pallet truck private cable of rated voltage 3.6/6kV～8.7/10kV | |
| CN206806069U (en) | A kind of aerial insulated cable | |
| CN201514795U (en) | Anti-theft power cord for mobile base stations | |
| CN204577167U (en) | A kind of Novel overhead insulated cable | |
| CN217239135U (en) | Low-loss high-energy-efficiency large-length type ultrahigh-voltage power cable | |
| CN110299227A (en) | A kind of highly conductive composite carbon nanometer tube core environmental protection man wiring | |
| CN204760077U (en) | Flexible control cable is used to wind power generation equipment | |
| CN219143845U (en) | Main power core and charging pile cable with same | |
| CN219958608U (en) | Capacity-increasing heat-resistant power cable | |
| CN204480735U (en) | A kind of low smoke and zero halogen antiultraviolet cable | |
| CN206003542U (en) | ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables | |
| CN219040105U (en) | Liquid cooling charging cable for electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |