CN207602263U - High ferro graphene semi-conductive screen novel cable - Google Patents
High ferro graphene semi-conductive screen novel cable Download PDFInfo
- Publication number
- CN207602263U CN207602263U CN201721562624.8U CN201721562624U CN207602263U CN 207602263 U CN207602263 U CN 207602263U CN 201721562624 U CN201721562624 U CN 201721562624U CN 207602263 U CN207602263 U CN 207602263U
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- China
- Prior art keywords
- layer
- screen
- copper
- high ferro
- graphene
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052802 copper Inorganic materials 0.000 claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 37
- 239000004020 conductor Substances 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- -1 aluminum-magnesium-silicon Chemical compound 0.000 claims description 8
- 229910000676 Si alloy Inorganic materials 0.000 claims description 6
- 229910001369 Brass Inorganic materials 0.000 claims description 5
- 239000010951 brass Substances 0.000 claims description 5
- 229920001903 high density polyethylene Polymers 0.000 claims description 5
- 239000004700 high-density polyethylene Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 241000256602 Isoptera Species 0.000 abstract description 4
- 241000283984 Rodentia Species 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 241000700159 Rattus Species 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 206010003399 Arthropod bite Diseases 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
A kind of high ferro graphene semi-conductive screen novel cable including conductor, is provided with conductor shield, insulating layer and insulation screen by the way of three-layer co-extruded outside conductor, conductor shield and insulation screen are graphene semiconductive shielding layer;Special more tengential belt layers, metal screen layer, inner restrictive coating, metal armor layers and external sheath layer are disposed with outside insulation screen from the inside to the outside;Metal screen layer is made of the copper wires dredge winding layer and copper strips lapping layer being set to outside special more tengential belt layers, and copper wires dredge winding layer copper wire is dredged opposite with the copper strips lapping direction of copper strips lapping layer around direction.High ferro graphene semi-conductive screen novel cable provided by the utility model, it is special can to solve the problems, such as that existing cable can not meet power supply safety, use condition, comprehensive performance is superior, electric property and excellent physical properties, waterproof, termite-resistant rodent-resistant integrated protection excellent effect, safe and reliable, service life increase by 2 times or so than traditional cable.
Description
Technical field
The utility model is related to high ferro field cable, especially a kind of high ferro graphene semi-conductive screen novel cable.
Background technology
The electric railway mileage in China will be only located at after Russia, leap to second place of the world.And electrization rate,
Railway transporting amount proportion, electric railway technical equipment and the train operation that Electrified Double Track Railway rate, electric railway undertake
Speed etc. will all enter world's rank of advanced units.
Electric energy needed for electric express locomotive by transmission line of electricity, transformation device, power for traction network, is returned from power plant
The electricity supplying and using system supply of the compositions such as current circuit.The power supply system that countries in the world use is different, the electric railway in China
25 kilovolts of single phase industrial frequences (50 hertz) Alternating Current Power Supply standard is selected.Traction substation introduces 220 kilovolts or 110 from national grid
Kilovolt three-phase alternating-current supply, three-phase electricity is converted to 27.5 kilovolts of power supplys of single phase ac that suitable electric train uses and served connect
It touches net, according to railroad industry standard TB/T 2822-1997, the construction of cable is:
1st, conductor, 2, conductor shielding, 3, crosslinked polyetylene insulated, 4, insulation shielding, 5, brass wire shieldings, 6, polyethylene or
Pvc sheath.
However, in practical application, the cable of above structure has the following disadvantages/deficiency:
1st, the electric property of cable is general, and service life is short, it is impossible to meet electrified rapid transit railway power supply safety;
2nd, the construction of cable is simple, can only meet the use under general condition, the use for not having specific condition.
Invention content
The technical problem to be solved by the utility model is to provide a kind of high ferro graphene semi-conductive screen novel cables, can
To solve the problems, such as that it is special that existing cable can not meet power supply safety, use condition, comprehensive performance is superior, electric property and
Excellent physical properties, waterproof, termite-resistant rodent-resistant integrated protection excellent effect, safe and reliable, service life increase by 2 times than traditional cable
Left and right.
In order to solve the above technical problems, technical solution is used by the utility model:A kind of high ferro graphene semiconductive
Novel cable is shielded, including conductor, is provided with conductor shield, insulating layer and insulation screen outside conductor by the way of three-layer co-extruded
Cover layer,
Conductor shield and insulation screen are graphene semiconductive shielding layer;
Special more tengential belt layers, metal screen layer, inner restrictive coating, metal armouring are disposed with outside insulation screen from the inside to the outside
Layer and external sheath layer;
Metal screen layer is made of the copper wires dredge winding layer and copper strips lapping layer being set to outside special more tengential belt layers, copper wires dredge winding layer
Copper wire is dredged opposite with the copper strips lapping direction of copper strips lapping layer around direction;
Metal armor layers are aldray armor.
Insulating layer is 110KV grades of ultra-clean crosslinked polyetylene insulated layers.
Copper wires dredge winding layer is dredged around 14~18 times that pitch is brass wire shielding outer diameter, and it is left-hand to dredge around direction.
The surface of copper wires dredge winding layer is tightened by the wrapped copper strips lapping layer of dextrad.
The tensile strength of the aluminum-magnesium-silicon alloy wire of aldray armor is not less than 325MPa.
External sheath layer is environment protection, rat anti-termite agent high-density polyethylene outer sheath layer.
High ferro graphene semi-conductive screen novel cable provided by the utility model, has the beneficial effect that:
1st, conductor shielding, insulation shielding can substantially reduce semiconductive inside and outside cable using graphene semi-conductive shielding material
The volume resistivity of shielded layer improves its thermal stability, improves homo-effect of the shielded layer to electric field, effectively reduces cable operation
In the partial discharge phenomenon that is likely to occur, ensure the safety and reliability of power circuit operation, improve cable service life.
2nd, metal screen layer is made of the copper wires dredge winding layer and copper strips lapping layer being set to outside special more tengential belt layers, dredges copper wire
Winding layer is electrically being connected, and what is generated when cable is run is electromagnetic-field-shielded in insulated wire cores, and is produced from the external world with reducing
Raw electromagnetic interference and fault current is induced one safely earthed system, protect system safety operation.
3rd, the design of special more tengential belt layers can effectively ensure the quality of copper wires dredge winding layer shielding crosslinked cable, prevent copper wire pair
Insulation screen causes to damage.
4th, the aluminum-magnesium-silicon alloy wire of aldray armor is doubled than fine aluminium silk power resistance strength so that cable can be held
By larger longitudinal pulling force, not only can anti-geological disaster, but also can prevent mouse from being destroyed to cable.
Through testing to cable, the results showed that cable property indices are excellent, meet design requirement, suitable for electricity
27.5 kilovolts of power supplys of single phase ac that gas train uses simultaneously serve contact net.Compared with traditional cable, structure novel, material elder generation
Into comprehensive performance is superior, electric property and excellent physical properties, and waterproof, termite-resistant rodent-resistant integrated protection excellent effect use
Securely and reliably, the service life increases by 2 times or so than traditional cable.Cable is suitble to the layings such as direct-burried, poling, crane span structure, and in humidity and has
In the plague of rats, termite attack environment.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is process flow chart prepared by the utility model.
Specific embodiment
As shown in Figure 1, a kind of high ferro graphene semi-conductive screen novel cable, including conductor 1, three layers are used outside conductor 1
The mode of co-extrusion is provided with conductor shield 2, insulating layer 3 and insulation screen 4,
Conductor shield 2 and insulation screen 4 are graphene semiconductive shielding layer;
Special more tengential belt layers 5, metal screen layer, inner restrictive coating 8, metal are disposed with outside insulation screen 4 from the inside to the outside
Armor 9 and external sheath layer 10;
Metal screen layer is made of the copper wires dredge winding layer 6 and copper strips lapping layer 7 being set to outside special more tengential belt layers 5, and copper wire is dredged
6 copper wire of winding layer is dredged opposite with the copper strips lapping direction of copper strips lapping layer 7 around direction;
Metal armor layers 9 are aldray armor.
Insulating layer 3 is 110KV grades of ultra-clean crosslinked polyetylene insulated layers.
Copper wires dredge winding layer 6 is dredged around 14~18 times that pitch is brass wire shielding outer diameter, and it is left-hand to dredge around direction.
The surface of copper wires dredge winding layer 6 is tightened by the wrapped copper strips lapping layer 7 of dextrad.
The tensile strength of the aluminum-magnesium-silicon alloy wire of aldray armor is not less than 325MPa.
External sheath layer 10 is environment protection, rat anti-termite agent high-density polyethylene outer sheath layer, can effectively prevent mouse and white
Ant bites.
Inner restrictive coating 8 is pe sheath, can effectively play waterproof purpose.
As shown in Fig. 2, the preparation process of the utility model is as follows:
1st, conductor 1 manufactures
Conductor 1 is formed (purity >=99.97% of copper) by meeting naked annealed copper wire as defined in GB/T3956.In cable conductor
Manufacturing process in, oxygen-free copper bar is manufactured by the up-drawing method production line of import first, is drawn by the import big drawing machine of continuous annealing
Single line processed.Conductor structure is designed to 48 gangs of 2.56mm, selects HDK12+18+24/500 frame type stranding machines, tight using diamond coatings
Molding is pressed in pressing mold layering, ensure that the close and stable structure of conductor, tightening factor 0.9, conductive surface is bright and clean, oil-free
The single line of dirty, not damaged shielding and burr, the sharp edge of insulation, no protrusion or fracture.D.C. resistance after process during 20 DEG C of conductor
Meet GB/T3956-2008 regulations.
2nd, crosslinking process is squeezed out
Conductor shield 2, insulating layer, insulation screen 4 use three-layer co-extruded, totally-enclosed chemical crosslinking technique.
The three-layer co-extruded production line of cross linked insulation of Qingdao technical machinery factory production is selected, wherein extruding conductor shielding is equipped with φ
65/25 extruder;It extrudes XLPE insulating layers and is equipped with 150/25 extruders of φ;Extruded insulation shielded layer is equipped with 90/25 extruders of φ.
2.1st, conductor shield 2
Conductor shield 2 uses graphene semi-conductive shielding material, and extruding semi-conductive layer should be uniformly coated on conductor,
Surface is smooth, and without apparent twisted wire burr, no wedge angle, particle are burnt or abrasive trace.When removing conductor shielding, semiconductive
Layer should not result in the phenomenon that card is stayed between conductor strand.
Conductor shielding resistivity is no more than 500 Europe rice.Conductor shielding nominal thickness is 0.8mm, and minimum thickness should not be small
In 0.48mm.
2.2nd, insulating layer 3
Insulating layer 3 use 110KV grade ultra-clean crosslinked polyethylenes, insulation nominal thickness be 11.5mm, insulation thickness average value
Nominal value should be not less than, any point minimum, which measures thickness, should be not less than 2.52mm, and maximum, which measures thickness, should be not more than 3.0mm.
2.3rd, insulation screen 4
Insulation screen 4 uses graphene semi-conductive shielding material, and insulation shielding is the crosslinking semi-conductive layer extruded, is partly led
Electric layer is uniformly coated on insulating surface, and surface should be smooth, no wedge angle, and particle is burnt or abrasive trace.
Insulation shielding resistivity is no more than 200 Europe rice.Insulation shielding nominal thickness is 0.8mm, and minimum thickness should not be small
In 0.48mm.
3rd, metal screen layer
Metallic shield is dredged using 400 type copper wires around machine, is that 0.86mm copper wires are dredged around copper wire is dredged around section with 64 outer diameters
Away from 14~18 times for brass wire shielding outer diameter, it is left-hand to dredge around direction, and surface is tightened with the wrapped copper strips of dextrad, adjacent copper wire
Mean gap no more than 4mm, any adjacent two interradicular space is not more than 8mm, and copper wire external application thickness is 0.1mm, between copper strips is
Gap is wrapped, and maximal clearance is not more than 25% copper strips width.
4th, inner restrictive coating 8
Layer of polyethylene is extruded using 90 extruding machines of φ.Nominal thickness is the regulation of 2.0mm.Jacket thickness average value should not
Less than nominal value, any point minimum thickness should be not less than the 80%-0.2mm of nominal value.Oversheath appearance shall be rounded up, smoothly, nothing
Damage, section pore-free.
5th, it is aluminum-magnesium-silicon alloy wire armoured
Using the type armoring machine of 72 disks/500, tensile strength is selected not less than 325MPa aluminum-magnesium-silicon alloy wires, aldray
67 monofilament outer diameters of silk are 2.5mm, and mold aperture is 58mm, and pitch control is maintained at 8m/ in 580mm~690mm, booting linear speed
min。
6th, external sheath layer 10
One layer of addition environment protection, rat anti-termite agent high density polyethylene (HDPE) is extruded using 150 extruding machines of φ.Sheath nominal thickness
Regulation for 3.0mm.Jacket thickness average value should be not less than nominal value, and any point minimum thickness should be not less than nominal value
80%-0.2mm.Oversheath appearance shall be rounded up, is smooth, is not damaged, section pore-free, and the outside diameter of cable, which is surveyed, after extrusion is
64.5mm。
Extrusion die:Mold core aperture is φ 65mm, and die sleeve aperture is φ 73mm.
150 extruding machine turn-on temperatures of φ press table 1, and booting linear speed is maintained at 10m/min.
1 extrusion temperature unit of table:0C
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
It makes, the feature in embodiment and embodiment in the application in the absence of conflict, mutually can be combined arbitrarily.This practicality is new
The protection domain of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection domain.Equivalent replacement i.e. within this range is improved, also the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of high ferro graphene semi-conductive screen novel cable, including conductor(1), conductor(1)It is outer using three-layer co-extruded side
Formula is provided with conductor shield(2), insulating layer(3)And insulation screen(4), it is characterised in that:
Conductor shield(2)And insulation screen(4)For graphene semiconductive shielding layer;
Insulation screen(4)It is outer to be disposed with special more tengential belt layers from the inside to the outside(5), metal screen layer, inner restrictive coating(8), gold
Belong to armor(9)And external sheath layer(10);
Metal screen layer is by being set to special more tengential belt layers(5)Outer copper wires dredge winding layer(6)And copper strips lapping layer(7)Composition, copper wire
Dredge winding layer(6)Copper wire is dredged around direction and copper strips lapping layer(7)Copper strips lapping direction it is opposite;
Metal armor layers(9)For aldray armor.
2. high ferro graphene semi-conductive screen novel cable according to claim 1, it is characterised in that:Insulating layer(3)For
110KV grades of ultra-clean crosslinked polyetylene insulated layers.
3. high ferro graphene semi-conductive screen novel cable according to claim 1, it is characterised in that:Copper wires dredge winding layer
(6)To dredge around pitch be 14~18 times of brass wire shielding outer diameter, it is left-hand to dredge around direction.
4. high ferro graphene semi-conductive screen novel cable according to claim 3, it is characterised in that:Copper wires dredge winding layer
(6)Surface pass through the wrapped copper strips lapping layer of dextrad(7)It tightens.
5. high ferro graphene semi-conductive screen novel cable according to claim 1, it is characterised in that:Aldray armour
The tensile strength for filling the aluminum-magnesium-silicon alloy wire of layer is not less than 325MPa.
6. high ferro graphene semi-conductive screen novel cable according to claim 1, it is characterised in that:External sheath layer(10)
For environment protection, rat anti-termite agent high-density polyethylene outer sheath layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721562624.8U CN207602263U (en) | 2017-11-21 | 2017-11-21 | High ferro graphene semi-conductive screen novel cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721562624.8U CN207602263U (en) | 2017-11-21 | 2017-11-21 | High ferro graphene semi-conductive screen novel cable |
Publications (1)
Publication Number | Publication Date |
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CN207602263U true CN207602263U (en) | 2018-07-10 |
Family
ID=62759488
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CN201721562624.8U Expired - Fee Related CN207602263U (en) | 2017-11-21 | 2017-11-21 | High ferro graphene semi-conductive screen novel cable |
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CN (1) | CN207602263U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024134122A1 (en) * | 2022-12-22 | 2024-06-27 | Acome | Electrical shielded cable |
-
2017
- 2017-11-21 CN CN201721562624.8U patent/CN207602263U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024134122A1 (en) * | 2022-12-22 | 2024-06-27 | Acome | Electrical shielded cable |
FR3144386A1 (en) * | 2022-12-22 | 2024-06-28 | Acome | Electrical armored cable |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20211121 |
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CF01 | Termination of patent right due to non-payment of annual fee |