CN108538477A - The energy saving aerial insulated cable of 10kV graphene composite shielding large span low noise weathering - Google Patents
The energy saving aerial insulated cable of 10kV graphene composite shielding large span low noise weathering Download PDFInfo
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- CN108538477A CN108538477A CN201810412074.4A CN201810412074A CN108538477A CN 108538477 A CN108538477 A CN 108538477A CN 201810412074 A CN201810412074 A CN 201810412074A CN 108538477 A CN108538477 A CN 108538477A
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- low noise
- highly conductive
- energy saving
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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
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- 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
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
-
- 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
- H01B7/1895—Internal space filling-up means
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
-
- 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
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of energy saving aerial insulated cables of 10kV graphenes composite shielding large span low noise weathering, reinforce sandwich layer and highly conductive compound aluminum conductor layer including aluminium Baogang core, the aluminium Baogang core reinforces sandwich layer and highly conductive compound aluminum conductor layer is combined into composite conductor；The compound semiconductive shielding layer of graphene, crosslinked polyethylene inner insulating layer and modified form weatherability insulation external insulation layer are extruded outside the highly conductive compound aluminum conductor layer jointly；The modified form weatherability insulation micro- helical wind-guiding slot of external insulation layer outer surface hot stamping nanometer weaves or dredges around graphene composite fibre glass layer again.The present invention has extraordinary electrical property, insulation performance, mechanical performance, low noise properties.
Description
Technical field
The present invention relates to a kind of energy saving aerial insulated cable cable of 10kV graphenes composite shielding large span low noise weathering,
Specifically a kind of use can reduce line loss in outdoor, field, the long-distance transmission line of large span, be suitable for newly-built line
Road engineering and old track remodelling engineering, especially suitable in the rugged environments such as coastal area and heavy pollution area, corrosion resistance
By force, high temperature pendency is small, and electric conductivity height, excellent insulation performance, reflective function, antiultraviolet, low noise, bending resistance are excellent
More, thermal stability is good, strong anti-interference performance, the superior anti-interference aerial insulated cable of low noise weatherability of comprehensive performance.
Background technology
Traditional aerial insulated cable conductor is general aluminium, does not design and develops that corrosion resistance is strong, and D.C. resistance is small, circuit
Loss is few, and wire quality is light, and the small height of high temperature arc sag leads composite material conductor.Insulating layer does not use modified form weatherability aerial
Insulation Material, in the wild, in the bad weather circumstances such as outdoor, sunshine is strong in use, cable energy consumption itself is big, weather-resistant property is poor,
Insulation performance is poor, and ultraviolet radiation damage is big.Traditional aerial cable surface of insulating layer does not have the micro- helical wind-guiding slot of nanometer, cannot
Water conservancy diversion wind direction generates loud noise, disturbs residents and noise pollution environment.Traditional aerial cable cost performance is low, and technology falls behind,
It lavishes labor on.
Conventional overhead insulated cable production technology process has the following problems：Traditional aerial insulated cable conductor is general
Aluminium does not design and develops that corrosion resistance is strong, and D.C. resistance is small, and line loss is few, and wire quality is light, and the small height of high temperature arc sag is led
Composite material conductor.Internal shield shield effectiveness is poor, and insulating layer insulation effect is poor, in the wild, the bad weathers such as outdoor, sunshine is strong
In use, cable energy consumption itself is big in environment, weather-resistant property is poor, and insulation performance is poor, and ultraviolet radiation damage is big.Traditional frame
Empty cable insulation layer surface does not have the micro- helical wind-guiding slot of nanometer, is unable to water conservancy diversion wind direction, generates loud noise, disturbs residents and noise pollution
Environment.
Conventional overhead insulated cable production technology process has the following problems：1, conductive material and processing technology fall behind, and do not have
There is, high temperature pendency small, resistivity low highly conductive combined conductor strong using corrosivity；2, insulating materials is traditional material, is not had
There is improvement, insulation performance is poor, weather-resistant property is poor, is easy to cause humidified insulation, generates water tree, and ultraviolet radiation is damaged
Greatly；3, conventional overhead cable insulation layer surface does not have the micro- helical wind-guiding slot of nanometer, is unable to water conservancy diversion wind direction, generates loud noise, disturbs
The people and noise pollution environment；4, unit length consumptive material is big, of high cost, and cost performance is low, wastes national resources and social labor power；
5, grounding body Transient grounding resistance cannot be effectively reduced, back overrating voltage cannot be reduced；6, be not suitable for acid soil, alkaline soil
The higher place of constructional difficulties, the soil resistivities such as earth, marshland, damp and hot area, seabeach and high mountain hills uses.
Invention content
Goal of the invention：The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of graphite reasonable for structure
The energy saving aerial insulated cable of alkene composite shielding large span low noise weathering, has extraordinary electrical property, insulation performance, machine
Tool performance, low noise properties, humidity resistance and interference free performance.
Technical solution：In order to solve above-mentioned purpose, 10kV graphenes composite shielding large span low noise of the present invention
The energy saving aerial insulated cable of weathering, including aluminium Baogang core reinforce sandwich layer and highly conductive compound aluminum conductor layer, the aluminium Baogang core
Reinforce sandwich layer and highly conductive compound aluminum conductor layer is combined into composite conductor；The aluminium Baogang core reinforces sandwich layer by 7 Gen Lv Baogangs
Core strengthening core is rearranged in the form of " 1+6 ", and the highly conductive compound aluminum conductor layer is led by 12 highly conductive clad aluminums
The outer layer combination of the internal layer of body composition and 18 highly conductive compound aluminium conductor compositions forms；The highly conductive compound aluminum conductor layer
It is outer to extrude the compound semiconductive shielding layer of graphene, crosslinked polyethylene inner insulating layer and modified form weatherability insulation external insulation jointly
Layer；The modified form weatherability insulation micro- helical wind-guiding slot of external insulation layer outer surface hot stamping nanometer weaves or dredges around graphene again
Composite fibre glass layer.
It is further improved, the highly conductive compound aluminium conductor is twisted by the aluminium wire of a diameter of 2.43mm.
It is further improved, the aluminium Baogang core strengthening core is twisted by the aluminum cald steel wire of diameter 1.89mm.
It is further improved, the thickness of the compound semiconductive shielding layer of graphene is 0.8mm.
It is further improved, the thickness of the crosslinked polyethylene inner insulating layer is 3.4mm.
It is further improved, the thickness of the modified form weatherability insulation external insulation layer is 1.0mm.
It is further improved, the depth of the micro- helical wind-guiding slot of nanometer is 0.12mm.
Advantageous effect：Compared with prior art, it is an advantage of the invention that：
1, conductor of the present invention is height using the twisted combined conductor of aluminium Baogang core strengthening core and highly conductive compound aluminium wire, conductor monofilament
Conducing composite material, center replace zinc-plated steel core using aluminium Baogang core, so that the corrosion resistance of combined conductor is improved, D.C. resistance
It reduces, line loss is reduced, and wire quality mitigates, and high temperature arc sag reduces, and overload capacity increases, and self-bearing capacity is fully met
Large span, hightension, small bending requirement.
2, the compound semi-conductive shielding material of low resistance thermostabilization graphene is selected on combined conductor surface of the present invention, is dropped significantly
The volume resistivity of low cable conductor shielded layer improves its thermal stability, improves homo-effect of the shielded layer to electric field, ensures electricity
The safety and reliability of line of force road operation, improves cable service life；The external insulation layer degree of cross linking is high, the good insulating properties of uniformity
It can increase, thermal stability enhancing, temperature resistant grade improves, and weather resistance enhancing, dielectric strength improves, and resistance to brittleness can be good, extends
Cable service life, it is ensured that cable is safely and effectively run.
3, the nanometer on external insulation layer surface of the present invention micro- helical wind-guiding slot water conservancy diversion wind direction, makes wind along the micro- helical wind-guiding of nanometer
Slot flows, and greatly reduces the noise generated by wind, and nanometer spiral microradian increases surface area, has dispersion to strong light
Effect, ultra-violet radiation resisting.
4, the present invention has extraordinary electric conductivity, insulation performance, reflective function, antiultraviolet, low noise, bending resistance
Qu Xingneng, stability is good, and at low cost, is conducive to, using in the long-distance transmission line in outdoor, field, large span, to reduce
Line loss is suitable for new route engineering and old track remodelling engineering, especially suitable for coastal area and heavy pollution area etc.
In rugged environment, it is truly realized reduction electric energy loss, power grid is improved and conveys benefit, enhances comprehensive warp in cable life cycle management
Ji benefit, improves the safety of circuit.
5, the novel 10kV graphenes composite shielding energy saving aerial insulated cable of large span low noise weathering and traditional frame
Empty cable is compared, resistivity ratio national regulation low at least 20%, and load can improve 15% or more, and tensile strength and bending are wound
Performance ratio national regulation is high by least 15%, and the micro- helical wind-guiding slot of nanometer of surface of insulating layer makes environmental noise at least reduce by 20 points
Shellfish, unit length consumptive material at least reduce 10%, greatly reduce electric energy loss, improve power grid and convey benefit, enhance the cable life-cycle
Overall economic efficiency in period improves the safety of circuit.Reasonable in design, product cost greatly improves.
6, outermost layer weaves or dredges around graphene composite fibre glass layer, can effectively reduce grounding body Transient grounding resistance,
Reduce back overrating voltage.The product category radio frequency body, corrosion-resistant, non-corrosive, heavy current impact do not strike back, do not damage, is resistance to
High/low temperature, ground resistance are stablized, non-maintaining, exempt from update, is safe and reliable.Using not limited by environment, weather conditions, installation is just
It is prompt, tired without the electrically constructions such as especially suitable acid soil, basic soil, marshland, damp and hot area, seabeach and high mountain hills
Difficult, the higher place of soil resistivity uses.Compared with current cable, the problems caused by can preventing because of imperfect earth, is such as
（Lightning rod, arrester, equipotential, shielding）Cannot normally play a role, be struck by lightning caused by counterattack voltage will cause insulation breakdown,
Inflammable and explosive substances combustion explosion etc..
Description of the drawings
Fig. 1 is the positive cross section structure schematic diagram of the present invention；
Fig. 2 is the side structure schematic diagram of the present invention；
Fig. 3 is the process flow chart of the present invention.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figs. 1-2, the energy saving aerial insulated cable of a kind of 10kV graphenes composite shielding large span low noise weathering, packet
Kuo Lv Baogangs core reinforces sandwich layer and highly conductive compound aluminum conductor layer, and the aluminium Baogang core reinforces sandwich layer and highly conductive clad aluminum is led
Body layer is combined into composite conductor；The aluminium Baogang core reinforces structure of the sandwich layer by 7 Gen Lv Baogangs core strengthening cores 1 using " 1+6 "
Form rearranges, internal layer that the highly conductive compound aluminum conductor layer is made of 12 highly conductive compound aluminium conductors 2 and 18
The outer layer combination that highly conductive compound aluminium conductor 2 forms forms；Graphene is extruded jointly outside the highly conductive compound aluminum conductor layer
Compound semiconductive shielding layer 3, crosslinked polyethylene inner insulating layer 4 and modified form weatherability insulation external insulation layer 5；The improvement
The micro- helical wind-guiding slot of type weatherability insulation external insulation layer outer surface hot stamping nanometer 6 weaves or dredges around graphene composite glass fiber again
Layer 7.
As shown in figure 3, a kind of 10kV graphenes composite shielding large span low noise weathering of the present invention is energy saving aerial
The preparation method of insulated cable, includes the following steps：
1, aluminium bar, buying 9.5 mm high of Φ lead composite material aluminium bar；
2, wire drawing leads the wire drawing of composite material aluminium bar to 2.43 mm aluminium wires of Φ by 9.5 mm high of Φ；
3, nano die drawing is twisted, 120/20mm2Conductor outsourcing diameter 1.89mm aluminum cald steel wires 7 twisted be used as strengthening core
Line and 26 highly conductive aluminium wires of 2.43 mm are twisted, and resistance meets national standard：The requirement of GB/T1179-2008；
4, three-layer co-extruded 185mm2The compound semiconductive shielding layer of graphene, thickness 0.8mm, crosslinked polyethylene interior insulation
Layer, thickness is 3.4 mm, modified form weatherability insulate 1.0 mm of external insulation layer shielding thickness；
5, the micro- helical wind-guiding slot of external insulation layer outer surface hot stamping nanometer, the micro- helical wind-guiding groove depth of nanometer are 0.12mm；
6, last to weave or dredged around graphene composite fibre glass layer again.
The energy-efficient high conductivity and low noise weatherability aerial insulated cable has excellent electrical property, insulation performance, machine
Tool performance, low noise properties, humidity resistance.Conductor is led using the twisted combination of aluminium Baogang core strengthening core and highly conductive compound aluminium wire
There is body excellent corrosion resistance, D.C. resistance to reduce, and line loss is reduced, and wire quality mitigates, and high temperature arc sag reduces, mistake
Loading capability increases, and self-bearing capacity has fully met large span, hightension, small bending requirement；Insulation is graphene combined screen
It is three-layer co-extruded to cover layer, crosslinked polyetylene insulated layer and modified form weatherability insulating sheath, dielectric strength is high, and temperature resistant grade is high, heat
Stability is strong, and strong interference immunity, humidity resistance is strong, and good, the weather-resistant of resistance to brittleness energy, substantially increase cable uses the longevity
Life and safety；Nanometer micro- helical wind-guiding slot water conservancy diversion of surface of insulating layer wind direction makes wind along the micro- helical wind-guiding slot flowing of nanometer,
The noise generated by wind is greatly reduced, and nanometer spiral microradian increases surface area, have peptizaiton to strong light, resisted
Ultraviolet radiation.The novel 10kV graphenes composite shielding energy saving aerial insulated cable of large span low noise weathering and traditional frame
Empty cable is compared, resistivity ratio national regulation low at least 20%, and load can improve 15% or more, and tensile strength and bending are wound
Performance ratio national regulation is high by least 15%, and the micro- helical wind-guiding slot of nanometer of surface of insulating layer makes environmental noise at least reduce by 20 points
Shellfish, unit length consumptive material at least reduce 10%, greatly reduce electric energy loss, improve power grid and convey benefit, enhance the cable life-cycle
Overall economic efficiency in period improves the safety of circuit.Reasonable in design, product cost greatly improves.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, without departing from the principle of the present invention, can also make several improvements, these improvement also should be regarded as the present invention's
Protection domain.
Claims (7)
- The energy saving aerial insulated cable of 1.10kV graphene composite shielding large span low noise weathering, it is characterised in that：Including aluminium packet Steel core reinforces sandwich layer and highly conductive compound aluminum conductor layer, and the aluminium Baogang core reinforces sandwich layer and highly conductive compound aluminum conductor layer group Synthesize composite conductor；The aluminium Baogang core reinforces form arrangement group of the sandwich layer by 7 Gen Lv Baogangs core strengthening cores using " 1+6 " The internal layer being made of 12 highly conductive compound aluminium conductors at, the highly conductive compound aluminum conductor layer and 18 highly conductive clad aluminums The outer layer combination of conductor composition forms；The compound semiconductive screen of graphene is extruded jointly outside the highly conductive compound aluminum conductor layer Cover layer, crosslinked polyethylene inner insulating layer and modified form weatherability insulation external insulation layer；The modified form weatherability insulation is outer exhausted The micro- helical wind-guiding slot of edge layer outer surface hot stamping nanometer weaves or dredges around graphene composite fibre glass layer again.
- 2. the energy saving aerial insulated cable of 10kV graphenes composite shielding large span low noise weathering according to claim 1, It is characterized in that：The highly conductive compound aluminium conductor is twisted by the aluminium wire of a diameter of 2.43mm.
- 3. the energy saving aerial insulated cable of 10kV graphenes composite shielding large span low noise weathering according to claim 1, It is characterized in that：The aluminium Baogang core strengthening core is twisted by the aluminum cald steel wire of diameter 1.89mm.
- 4. the energy saving aerial insulated cable of 10kV graphenes composite shielding large span low noise weathering according to claim 1, It is characterized in that：The thickness of the compound semiconductive shielding layer of graphene is 0.8mm.
- 5. the energy saving aerial insulated cable of 10kV graphenes composite shielding large span low noise weathering according to claim 1, It is characterized in that：The thickness of the crosslinked polyethylene inner insulating layer is 3.4mm.
- 6. the energy saving aerial insulated cable of 10kV graphenes composite shielding large span low noise weathering according to claim 1, It is characterized in that：The thickness of the modified form weatherability insulation external insulation layer is 1.0mm.
- 7. the energy saving aerial insulated cable of 10kV graphenes composite shielding large span low noise weathering according to claim 1, It is characterized in that：The depth of the micro- helical wind-guiding slot of nanometer is 0.12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412074.4A CN108538477A (en) | 2018-05-03 | 2018-05-03 | The energy saving aerial insulated cable of 10kV graphene composite shielding large span low noise weathering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412074.4A CN108538477A (en) | 2018-05-03 | 2018-05-03 | The energy saving aerial insulated cable of 10kV graphene composite shielding large span low noise weathering |
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| CN108538477A true CN108538477A (en) | 2018-09-14 |
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| CN201810412074.4A Withdrawn CN108538477A (en) | 2018-05-03 | 2018-05-03 | The energy saving aerial insulated cable of 10kV graphene composite shielding large span low noise weathering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017825A (en) * | 2020-08-29 | 2020-12-01 | 四川天邑康和通信股份有限公司 | Radio frequency coaxial cable of novel shielding piece and manufacturing method thereof |
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| CN104900304A (en) * | 2015-05-13 | 2015-09-09 | 无锡市恒汇电缆有限公司 | Efficient energy-saving high conductivity weather-proof overhead insulated cable and manufacturing method thereof |
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| CN206391795U (en) * | 2016-09-30 | 2017-08-11 | 中节能工业节能有限公司 | Mitigate the device of exchanging pipe of boiler by waste abrasion |
| CN107086058A (en) * | 2017-06-23 | 2017-08-22 | 江苏华亚电缆有限公司 | Anti-chlorine ion seawater corrosion, acid and alkali-resistance communication cable |
-
2018
- 2018-05-03 CN CN201810412074.4A patent/CN108538477A/en not_active Withdrawn
Patent Citations (6)
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|---|---|---|---|---|
| CN103456475A (en) * | 2013-09-28 | 2013-12-18 | 衡阳华瑞电气有限公司 | Outdoor transformer with anti-ageing outer insulation layer |
| CN203706714U (en) * | 2014-01-28 | 2014-07-09 | 特变电工(德阳)电缆股份有限公司 | Novel water-resistant and corrosion-resistant aluminum-coated steel wire |
| CN104900304A (en) * | 2015-05-13 | 2015-09-09 | 无锡市恒汇电缆有限公司 | Efficient energy-saving high conductivity weather-proof overhead insulated cable and manufacturing method thereof |
| CN106098173A (en) * | 2016-06-27 | 2016-11-09 | 无锡市恒汇电缆有限公司 | The environment-friendly type intelligent high ferro anti-interference power cable of Graphene composite shielding and manufacture method thereof |
| CN206391795U (en) * | 2016-09-30 | 2017-08-11 | 中节能工业节能有限公司 | Mitigate the device of exchanging pipe of boiler by waste abrasion |
| CN107086058A (en) * | 2017-06-23 | 2017-08-22 | 江苏华亚电缆有限公司 | Anti-chlorine ion seawater corrosion, acid and alkali-resistance communication cable |
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| CN112017825A (en) * | 2020-08-29 | 2020-12-01 | 四川天邑康和通信股份有限公司 | Radio frequency coaxial cable of novel shielding piece and manufacturing method thereof |
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Application publication date: 20180914 |