CN106328275A - Composite core for overhead conductor and manufacturing method thereof - Google Patents
Composite core for overhead conductor and manufacturing method thereof Download PDFInfo
- Publication number
- CN106328275A CN106328275A CN201610784154.3A CN201610784154A CN106328275A CN 106328275 A CN106328275 A CN 106328275A CN 201610784154 A CN201610784154 A CN 201610784154A CN 106328275 A CN106328275 A CN 106328275A
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- Prior art keywords
- composite core
- fiber
- fibers
- aerial condutor
- engineering plastics
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a composite core for an overhead conductor and a manufacturing method thereof. The composite core comprises at least one composite core body, the composite core body comprises a plurality of fibers, the outer peripheral surface of each fiber is wrapped by engineering plastics, and the plurality of fibers are bonded together through the engineering plastics. According to the composite core, the engineering plastics are employed to wrap the outer part of each fiber, the pulling and extrusion speed can be increased, and the production efficiency of the composite cores is improved; besides, the engineering plastics can be dissolved so that the recovery rate and the utilization rate of materials are increased.
Description
Technical field
The present invention relates to overhead transmission line technical field, particularly relate to a kind of aerial condutor composite core and manufacturer thereof
Method.
Background technology
The beginning of this century, composite core i.e. fiber resin matrix composite core, as being combined that the strengthening core traditional steel core of replacement is made
Core wire, the manufacture of composite core make use of carbon fiber light weight, intensity high, the advantages such as linear expansion coefficient is little.That thus makes leads
Line has high temperature resistant, Large Copacity, low arc drop, low energy consumption, the distinguishing feature such as lightweight, becomes the subversiveness in overhead transmission line field
Product.Composite core technology power transmission line field at home and abroad has obtained substantial amounts of application, achieves obvious technical economic benefit.But
Be existing composite core on the one hand be to be formed, due to the curing characteristics of thermosetting resin through thermosetting resin parcel solidification by fiber
Limiting composite core production and processing speed, generally, process velocity is for for about 1 m/min；Simultaneously in composite core molding
During, contacting with die material when thermosetting resin carries out pultrusion again and react, unnecessary resin can not reclaim, and creates
Waste；On the other hand Thermoset resin has been susceptible to solidification crosslinking in the course of processing, defines insoluble 3 D stereo knot
Structure, have impact on follow-up Product recycling and utilizes.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problem to be solved in the present invention is to provide one to improve
The aerial condutor composite core of stock utilization and material yield rate and manufacture method thereof.
In order to solve above-mentioned technical problem, the present invention provides a kind of aerial condutor composite core, including: at least one is combined
Core body, described compound core body includes plurality of fibers, and the outer peripheral face of every fiber is coated with engineering plastics, and plurality of fibers passes through engineering
Plastic bonding is together.
Preferably, described fiber is carbon fiber, glass fibre, basalt fibre, alumina fibre, silicon carbide fibre, virtue
In synthetic fibre, polyimide fiber, PBI fibre, polyparaphenylene's benzodiazole fiber, superhigh molecular weight polyethylene fibers
One or more.
Preferably, the intensity of described fiber is 3200～7000MPa.
Preferably, described engineering plastics are polyphenylene sulfide, polyphenylene oxide, polyether-ether-ketone, PAEK, liquid crystal polymer, gather
One or more in amide, TPI, Polyetherimide, polyarylate, sulfone base polymer, thermoplastic fluoroelastomer plastics.
Further, the outer peripheral face of every described compound core body is coated with at least one functional layer；Described functional layer is for leading
One or more in electric layer, coating protecting layer, extrusion overcoat.
Further, the material of described conductive layer is aluminum.
Further, described coating protecting layer is fluorocarbon coating or Graphene coating.
Further, the material of described extrusion overcoat is polyphenylene sulfide, polyphenylene oxide, polyether-ether-ketone, PAEK, liquid crystal
In polymer, polyamide, TPI, Polyetherimide, polyarylate, sulfone base polymer, thermoplastic fluoroelastomer plastics one
Plant or multiple.
The invention still further relates to the manufacture method of a kind of aerial condutor composite core, comprise the following steps:
1) putting yarn: released from pay off rack by plurality of fibers, tensioner applies identical tension force to fiber every described；
2) bunchy: make many described fibers be immersed in the colloidal solution of engineering plastics, make the periphery bread of plurality of fibers
Fibre bundle is formed after covering engineering plastics, and plurality of fibers bonding；
3) pultrusion: described fibre bundle carries out pultrusion successively, pultrusion speed is 10 ms/min to 15 ms/min；
4) molding: described fibre bundle is positioned in mould and carries out curing molding, obtain compound core body.
Preferably, described manufacture method, also include step 5) cladding: every described compound core body outer peripheral face be coated with to
A few functional layer.
As it has been described above, the aerial condutor composite core of the present invention and manufacture method thereof, have the advantages that
The present invention, by engineering plastics replace existing thermosetting resin, uses engineering plastics to ensure that composite core is strong
Spend high, lightweight；Use engineering plastics to be coated on the outside of every fiber, it is possible to increase pultrusion speed, make the production of composite core
Efficiency is improved；Meanwhile, engineering plastics can dissolve so that the response rate and the utilization rate of material are improved.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of the aerial condutor composite core of the present invention.
The outer peripheral face of the aerial condutor composite core that Fig. 2 is shown as the present invention is coated with the structural representation of functional layer.
Fig. 3 is shown as the structural representation that the many compound core bodies of the present invention are the most stranded.
Fig. 4 is shown as structural representation the most stranded after the many compound core bodies of the present invention are coated with functional layer.
Fig. 5 is shown as the flow chart of the manufacture method of the aerial condutor composite core of embodiment 1.
Fig. 6 is shown as the flow chart of the manufacture method of the aerial condutor composite core of embodiment 2.
Fig. 7 is shown as the flow chart of the manufacture method of the aerial condutor composite core of embodiment 3.
Fig. 8 is shown as the flow chart of the manufacture method of the aerial condutor composite core of embodiment 4.
Drawing reference numeral explanation
100 compound core bodies
101 fibers
102 engineering plastics
200 functional layers
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Refer to accompanying drawing.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate
Content disclosed in description, understands for those skilled in the art and reads, being not limited to the present invention enforceable
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
Do not affect under effect that the present invention can be generated by and the purpose that can reach, all should still fall at disclosed technology contents
In the range of containing.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle " and " one " etc.
Term, be merely convenient to understanding of narration, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or
Adjust, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
Embodiment 1
As shown in Figures 1 to 4, the aerial condutor composite core of the present embodiment, including: at least compound core body 100, institute
State compound core body 100 and include that plurality of fibers 101, the outer peripheral face of every fiber 101 are coated with engineering plastics, every compound core body
In 100.
The present invention, by engineering plastics 102 replace existing thermosetting resin, uses engineering plastics 102 ensure that multiple
Close core intensity high, lightweight；Use engineering plastics 102 to be coated on the outside of every fiber 101, it is possible to increase pultrusion speed, make
The production efficiency of composite core is improved；Meanwhile, engineering plastics 102 can dissolve so that the response rate and the utilization rate of material obtain
To improve.
Tension force suffered by plurality of fibers 101 is identical, and the aerial condutor composite core making plurality of fibers 101 be manufactured into has relatively
Good tensile strength and elastic modelling quantity, and the length of aerial condutor composite core can be at least up to hundreds of meters.
Compound core body 100 has many, and many compound core bodies 100 are the most stranded.
Fiber 101 is carbon fiber, glass fibre, basalt fibre, alumina fibre, silicon carbide fibre, aramid fiber, polyamides Asia
One or many in amine fiber, PBI fibre, polyparaphenylene's benzodiazole fiber, superhigh molecular weight polyethylene fibers
Kind.
The intensity of fiber 101 is 3200～7000Mpa, the compound core body 100 that this fiber 101 is manufactured into, and meets built on stilts leading
The requirement of strength of line.
Engineering plastics 102 are polyphenylene sulfide, polyphenylene oxide, polyether-ether-ketone, PAEK, liquid crystal polymer, polyamide, thermoplastic
One or more in property polyimides, Polyetherimide, polyarylate, sulfone base polymer, thermoplastic fluoroelastomer plastics.
The outer peripheral face of every compound core body 100 is coated with at least one functional layer 200；Functional layer 200 is conductive layer, coating
One or more in overcoat, extrusion overcoat.
The material of conductive layer is aluminum.The thickness of aluminium lamination can be 0.1 millimeter to several millimeters.
Coating protecting layer is prepared by the technique such as fluorocarbon coating or Graphene coating dip coating, spraying, and coating layer thickness can be number
Ten microns to hundreds of microns.
The material of extrusion overcoat is polyphenylene sulfide, polyphenylene oxide, polyether-ether-ketone, PAEK, liquid crystal polymer, polyamides
One or more in amine, TPI, Polyetherimide, polyarylate, sulfone base polymer, thermoplastic fluoroelastomer plastics.
When aerial condutor compound core body 100 is many, many aerial condutor composite core are the most stranded.
As it is shown in figure 5, the manufacture method of the aerial condutor composite core of the present embodiment, comprise the following steps:
1) yarn is put: being released from pay off rack by plurality of fibers 101, tensioner applies identical tension force to every fiber 101；
2) bunchy: plurality of fibers 101 is immersed in the colloidal solution of engineering plastics 102, makes the outer peripheral face of plurality of fibers 101
Fibre bundle is formed after covered with engineering plastics 102, and plurality of fibers 101 bonding；
3) pultrusion: fibre bundle carries out pultrusion successively, pultrusion speed is 10 ms/min to 15 ms/min；
4) molding: fibre bundle is positioned in mould and carries out curing molding, obtain compound core body 100.
Manufacture method, also include step 5) cladding: every compound core body 100 outer peripheral face is coated with at least one functional layer
200。
In the present embodiment, bunchy mode can be impregnated by maceration tank also can be extruded by single screw extrusion machine.
Embodiment 2
As shown in Figure 6, in the present embodiment aerial condutor composite core, the material of the fiber 101 in every compound core body 100
For carbon fiber, the engineering plastics 102 in every compound core body 100 are polyphenylene sulfide.
The manufacture method of the aerial condutor composite core of the present embodiment, comprises the following steps:
1) yarn is put: being released from pay off rack by plurality of fibers 101, tensioner applies identical tension force to every fiber 101；
2) bunchy: in the colloidal solution of the engineering plastics 102 of the heating that plurality of fibers 101 is immersed in maceration tank, make many
Forming fibre bundle after the outer peripheral face covered with engineering plastics 102 of root fiber 101, and plurality of fibers 101 bonding, maceration tank uses nitrogen
Carrying out atmosphere protection, maceration tank is provided with thermostat and heater, and engineering plastics 102 are polyphenylene sulfide, heating-up temperature
It is set to 320 DEG C；
3) pultrusion: fibre bundle carries out pultrusion successively, pultrusion speed is 10 ms/min；
4) preforming: be positioned in preforming tool by fibre bundle and carry out preforming, it is 310 that preforming tool arranges temperature
℃；And between preforming tool and maceration tank, it being provided with attemperator, the temperature that attemperator is arranged is 310 DEG C；
5) main molding: be positioned over by fibre bundle in main mould and carry out main molding, obtains compound core body 100, main molding
Mould uses five sections of temperature to arrange, respectively 300 DEG C, 270 DEG C, 240 DEG C, 210 DEG C, 180 DEG C；
6) cooling: fibre bundle is carried out air-cooled cooling；
7) rolling: by fibre bundle rolling molding.
The tensioner of the present embodiment is mountable on pay off rack, or before being installed on maceration tank.
Embodiment 3
As it is shown in fig. 7, in the aerial condutor composite core of the present embodiment, the fiber 101 in every compound core body 100 includes
Glass fibre and carbon fiber, the engineering plastics 102 in every compound core body 100 are polyether-ether-ketone.
The manufacture method of the aerial condutor composite core of the present embodiment, comprises the following steps:
1) yarn is put: being released from pay off rack by plurality of fibers 101, tensioner applies identical tension force to every fiber 101；
2) bunchy: plurality of fibers 101 is by being pulled into mould, and single screw extrusion machine extrusion melts engineering plastics
102 polyether-ether-ketones, are injected into mould by melted engineering plastics 102 polyether-ether-ketone by pressure, make outside plurality of fibers 101
Forming fibre bundle after side face covered with engineering plastics 102, and plurality of fibers 101 bonding, the temperature of single screw extrusion machine is set to 380
℃；
3) pultrusion: fibre bundle carries out pultrusion successively, pultrusion speed is 12 ms/min；
4) main molding: fibre bundle is positioned in main mould and carries out main molding, obtain compound core body 100, answered
Closing core body 100, main mould uses five sections of temperature to arrange, respectively 360 DEG C, 330 DEG C, 290 DEG C, 250 DEG C, 200 DEG C；
5) cooling: fibre bundle is carried out air-cooled cooling；
6) cladding: use continued extrusion technique, at the outer one layer of conductive layer of uniform fold of fibre bundle, the material of conductive layer
For aluminum, heating-up temperature >=350 DEG C of die cavity；
7) rolling: the fibre bundle rolling molding of conductive layer will be coated with.
Embodiment 4
As shown in Figure 8, in the aerial condutor composite core of the present embodiment, the material of the fiber 101 in every compound core body 100
Material is aramid fiber, and the engineering plastics 102 in every compound core body 100 are Polyetherimide.
The manufacture method of the aerial condutor composite core of the present embodiment, comprises the following steps:
1) yarn is put: being released from pay off rack by plurality of fibers 101, tensioner applies identical tension force to every fiber 101；
2) bunchy: in the colloidal solution of the engineering plastics 102 of the heating that plurality of fibers 101 is immersed in maceration tank, make many
Forming fibre bundle after the outer peripheral face covered with engineering plastics 102 of root fiber 101, and plurality of fibers 101 bonding, maceration tank uses nitrogen
Carrying out atmosphere protection, maceration tank is provided with thermostat and heater, and engineering plastics 102 are Polyetherimide, heating temperature
Degree is set to 320 DEG C；
3) pultrusion: fibre bundle carries out pultrusion successively, pultrusion speed is 10 ms/min；
4) preforming: be positioned in preforming tool by fibre bundle and carry out preforming, it is 310 that preforming tool arranges temperature
℃；And between preforming tool and maceration tank, it being provided with attemperator, the temperature that attemperator is arranged is 310 DEG C；
5) main molding: be positioned over by fibre bundle in main mould and carry out main molding, obtains compound core body 100, main molding
Mould uses five sections of temperature to arrange, respectively 310 DEG C, 260 DEG C, 210 DEG C, 160 DEG C, 120 DEG C；
6) cooling: fibre bundle is carried out air-cooled cooling；
7) cladding: use single screw extrusion machine at the extrusion overcoat that outside extrusion thickness is 0.2 millimeter of fibre bundle, squeeze
The material going out overcoat is thermoplastic fluoroelastomer plastics；
8) rolling: by fibre bundle rolling molding.
Embodiment 5
As shown in Figure 8, in the present embodiment, the material of the fiber 101 in every compound core body 100 is glass fibre, every
Engineering plastics 102 in compound core body 100 are polyphthalamide.
The manufacture method of the aerial condutor composite core of the present embodiment, comprises the following steps:
1) yarn is put: being released from pay off rack by plurality of fibers 101, tensioner applies identical tension force to every fiber 101；
2) bunchy: in the colloidal solution of the engineering plastics 102 of the heating that plurality of fibers 101 is immersed in maceration tank, make many
Forming fibre bundle after the outer peripheral face covered with engineering plastics 102 of root fiber 101, and plurality of fibers 101 bonding, maceration tank uses nitrogen
Carrying out atmosphere protection, maceration tank is provided with thermostat and heater, and engineering plastics 102 are polyphthalamide, add
Hot temperature is set to 340 DEG C；
3) pultrusion: fibre bundle carries out pultrusion successively, pultrusion speed is 15 ms/min；
4) preforming: be positioned in preforming tool by fibre bundle and carry out preforming, it is 330 that preforming tool arranges temperature
℃；And between preforming tool and maceration tank, it being provided with attemperator, the temperature that attemperator is arranged is 330 DEG C；
5) main molding: be positioned over by fibre bundle in main mould and carry out main molding, obtains compound core body 100, main molding
Mould uses five sections of temperature to arrange, respectively 330 DEG C, 310 DEG C, 280 DEG C, 250 DEG C, 210 DEG C；
6) cooling: fibre bundle is carried out air-cooled cooling；
7) cladding: flush coater is at the coating using fluorocarbon coating that external spray a layer thickness is 0.1 millimeter of fibre bundle
Overcoat；
8) rolling: by fibre bundle rolling molding.
To sum up, the present embodiment effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative the present embodiment and effect thereof, not for limiting the present embodiment.Appoint
Above-described embodiment all can be modified under the spirit and the scope of the present embodiment or change by what those skilled in the art
Become.Therefore, art has usually intellectual such as thinking with technology without departing from the spirit disclosed in the present embodiment
Think that lower all completed equivalences are modified or change, must be contained by the claim of the present embodiment.
Claims (10)
1. an aerial condutor composite core, it is characterised in that including: at least compound core body, described compound core body includes
Plurality of fibers, the outer peripheral face of every fiber is coated with engineering plastics, and plurality of fibers is bonded together by engineering plastics.
Aerial condutor composite core the most according to claim 1, it is characterised in that: described fiber be carbon fiber, glass fibre,
Basalt fibre, alumina fibre, silicon carbide fibre, aramid fiber, polyimide fiber, PBI fibre, polyparaphenylene's benzene
And one or more in diazole fiber, superhigh molecular weight polyethylene fibers.
Aerial condutor composite core the most according to claim 1, it is characterised in that: the intensity of described fiber be 3200～
7000MPa。
Aerial condutor composite core the most according to claim 1, it is characterised in that: described engineering plastics are polyphenylene sulfide, gather
Phenylate, polyether-ether-ketone, PAEK, liquid crystal polymer, polyamide, TPI, Polyetherimide, polyarylate, sulfone
One or more in base polymer, thermoplastic fluoroelastomer plastics.
Aerial condutor composite core the most according to claim 1, it is characterised in that: the periphery bread of every described compound core body
It is covered with at least one functional layer；Described functional layer is one or more in conductive layer, coating protecting layer, extrusion overcoat.
Aerial condutor composite core the most according to claim 5, it is characterised in that: the material of described conductive layer is aluminum.
Aerial condutor composite core the most according to claim 5, it is characterised in that: described coating protecting layer be fluorocarbon coating or
Person's Graphene coating.
Aerial condutor composite core the most according to claim 5, it is characterised in that: the material of described extrusion overcoat is polyphenyl
Thioether, polyphenylene oxide, polyether-ether-ketone, PAEK, liquid crystal polymer, polyamide, TPI, Polyetherimide, poly-
One or more in aromatic ester, sulfone base polymer, thermoplastic fluoroelastomer plastics.
9. the manufacture method of an aerial condutor composite core, it is characterised in that: comprise the following steps:
1) putting yarn: by plurality of fibers after pay off rack is released, tensioner applies identical tension force to fiber every described；
2) bunchy: many described fibers are immersed in the colloidal solution of engineering plastics, makes the outer peripheral face cladding engineering of plurality of fibers
Fibre bundle is formed after plastics, and plurality of fibers bonding；
3) pultrusion: described fibre bundle carries out pultrusion successively, pultrusion speed is 10 ms/min to 15 ms/min；
4) molding: described fibre bundle is positioned in mould and carries out curing molding, obtain compound core body.
Manufacture method the most according to claim 9, it is characterised in that: also include step 5) cladding: every described composite core
External side face is coated with at least one functional layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784154.3A CN106328275A (en) | 2016-08-30 | 2016-08-30 | Composite core for overhead conductor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784154.3A CN106328275A (en) | 2016-08-30 | 2016-08-30 | Composite core for overhead conductor and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN106328275A true CN106328275A (en) | 2017-01-11 |
Family
ID=57788902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610784154.3A Pending CN106328275A (en) | 2016-08-30 | 2016-08-30 | Composite core for overhead conductor and manufacturing method thereof |
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| WO2021092788A1 (en) * | 2019-11-13 | 2021-05-20 | 远景能源有限公司 | Method and apparatus for use in manufacturing graphene-modified fiber reinforced material |
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| CN109243698A (en) * | 2018-09-28 | 2019-01-18 | 上海电缆研究所有限公司 | Aerial condutor thermoplastic composite core and its manufacturing method |
| WO2021092788A1 (en) * | 2019-11-13 | 2021-05-20 | 远景能源有限公司 | Method and apparatus for use in manufacturing graphene-modified fiber reinforced material |
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Application publication date: 20170111 |