CN204732214U - A kind of ultra high voltage fiber composite core aerial condutor - Google Patents
A kind of ultra high voltage fiber composite core aerial condutor Download PDFInfo
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- CN204732214U CN204732214U CN201520532539.1U CN201520532539U CN204732214U CN 204732214 U CN204732214 U CN 204732214U CN 201520532539 U CN201520532539 U CN 201520532539U CN 204732214 U CN204732214 U CN 204732214U
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Abstract
The utility model relates to a kind of ultra high voltage fiber composite core aerial condutor, comprise fiber composite core and outer contact, fiber composite core comprises fiber composite core internal layer and fiber composite core is outer, fiber composite core internal layer is made up of conductive fiber, conductive filler and resin matrix, and fiber composite core skin is made up of non-conductive fiber and matrix.Fiber composite core of the present utility model is owing to having conductive fiber and conductive filler, so plug can be made to conduct electricity, and the composite construction of fibre resin can ensure that wire possesses good mechanical property, so the utility model can meet the requirement of ultra high voltage aerial condutor to mechanical property and electrical property simultaneously; Wire of the present utility model has outer contact, and outer contact is metal coating, and the sheet resistance of conductor can be made to reduce, and reduces the surface corona phenomenon of Ultra-high Voltage Wire; The utility model has lightweight, the advantage such as intensity is high, electrical efficiency is high and corona discharge phenomenon is light, compensate for the deficiency of traditional Ultra-high Voltage Wire.
Description
Technical field
The utility model relates to wire field, is specifically related to a kind of ultra high voltage fiber composite core aerial condutor.
Technical background
Along with development that is economic and science and technology, China increases the demand of the energy, especially particularly remarkable to the increase in demand of electric energy.Electric energy is mainly transmitted by transmission pressure, so improve the power transmission efficiency of transmission pressure and take one of direction that less resource is China's transmission of electricity development simultaneously.Current China uses more superhigh pressure grade wire to be 500kV transmission line, but the main grid structure that 500kV transmission line is formed can not meet following remote, Large Copacity, economy transmission of electricity needs, needs exploitation, uses UHV transmission line net.
Ultra high voltage electric line refers to 1000kV and above transmission line, has the advantages that capacity is large, line loss is low and cost is economized.Current China mainly adopts the steel reinforced aluminium conductor of getting of split form to form UHV transmission line, uses bundle conductor mainly in order to reduce the corona discharge phenomenon of conductive line surfaces, but takes up room large, line construction difficulty increasing like this.So need to develop a kind of easy construction, Novel special high-voltage conducting wires that corona discharge phenomenon is light.
Utility model content
The purpose of this utility model problems such as to be that the conductive line surfaces corona discharge phenomenon that UHV transmission line net in prior art exists is serious, transmission line takes up room in order to solve large and line construction difficulty is large, and a kind of ultra high voltage fiber composite core aerial condutor is proposed, this wire has that electrical efficiency is high, lightweight, mechanical property is good and the advantage such as good electrical property.
In order to solve above technical problem, the technical solution of the utility model is:
A kind of ultra high voltage fiber composite core aerial condutor, comprise fiber composite core and outer contact, fiber composite core comprises fiber composite core internal layer and fiber composite core is outer, fiber composite core internal layer is made up of conductive fiber, conductive filler and resin matrix, and fiber composite core skin is made up of non-conductive fiber and matrix.
The composite core of this structure is adopted both to have good mechanical property, again there is conducting function, so make fiber composite core wire while having excellent mechanical performances, there is again good power transmission efficiency, as fiber composite core and the outer layer conductor transmission current simultaneously of supporting construction, the power transmission efficiency of wire is significantly improved.
Preferably, the conductive fiber of fiber composite core internal layer is one or more in metallic fiber or carbon fiber.The electric conductivity of metallic fiber and carbon fiber is all comparatively strong, and all has higher mechanical property, and conductive fiber can, while ensureing that electrical efficiency is higher, make fiber composite internal layer have stronger mechanical property with coordinating of resin matrix.
Preferred further, described metallic fiber is one or more in copper fiber, aluminum fiber or silver-colored fiber.The conductivity of these three kinds of metals is all better, and resistance is lower, so heat production is less, is the three kinds of metals being comparatively suitable as wire.
Further preferred, described metallic fiber be in aluminum fiber or copper fiber one or both.Aluminum fiber and copper fiber easily obtain, and electric conductivity is good and price is relatively low.
Preferably, described conductive filler is one or more in carbon dust, chopped carbon fiber or metal powder.The matrix that composite core uses is generally insulation, and can reduce the conductivity of plug, after adding conductive filler, conductive filler is dispersed in the resin of insulation, and can form a conductive network, and then improves the electric conductivity of composite core rod.
Further preferably, described metal powder is one or more in aluminium powder, copper powder, bronze or silver powder.
Preferred further, described metal powder is copper powder or aluminium powder.Copper powder and aluminium powder easily obtain, and electric conductivity is excellent and price is relatively low, economical and practical.
Preferably, the resin matrix of fiber composite core internal layer is epoxy-resin systems, phenolic resin system, polyurethane resin systems, cyanate ester resin, polyphenylene sulfide or polyether-ether-ketone.Fiber can be become as a whole with conductive filler by resin matrix, effectively prevent damage or the loss of fiber and conductive filler, but also can increase the intensity of fiber composite core, improves the mechanical property of composite core, prevents the fracture of wire.
Preferred further, the conductive fiber of fiber composite core internal layer and the volume ratio of resin matrix are 4:6 ~ 8:2.If fiber content very little, then mechanical property is poor, if fiber content is more, resin matrix is less, what then fiber can not be good combines, and the mechanical property of composite core also can decline, under this ratio, the mechanical property of composite core is better, and can ensure to be bonded together well between metallic fiber and conductive filler.
Preferred further, the conductive filler of fiber composite core internal layer and the weight ratio of resin matrix are 0.1:9.9 ~ 4:6.Conductive filler is less, the electric conductivity of resin matrix then can not be made to significantly improve, if conductive filler is more, before then making resin matrix solidify, viscosity is excessive, easily there is stifled mould phenomenon in process of production, production is interrupted, under this proportion, the electric conductivity of composite core can be ensured, but also production process can be made to carry out smoothly.
Preferably, the outer field non-conductive fiber of fiber composite core is made up of one or more in glass fibre, basalt fibre, aramid fiber or spandex fibre.
Preferably, the outer field matrix of fiber composite core is epoxy resin, phenolic resins, polyurethane resin, cyanate ester resin, polyphenylene sulfide or polyether-ether-ketone.Fiber can be become as a whole with filler by resin matrix, can also improve the mechanical property of fiber composite core entirety.
Preferred further, the volume ratio of the outer field non-conductive fiber of fiber composite core and matrix is 4:6 ~ 8:2.If fiber content is very little, then mechanical property is poor, if fiber content is more, resin matrix is less, then what fiber can not be good combines, and the mechanical property of composite core also can decline, in this proportion, and the good mechanical properties of fiber composite core.
Preferably, fiber composite core internal layer and the outer field volume ratio of fiber composite core are 1:9 ~ 9:1.If fiber composite core internal layer volume is less, then the composite core electric energy that can transmit is very little, if composite core internal layer volume content is too high, then outer insulation is very few, easily by high electrical breakdown, and then and the electric energy of outer layer metal line transmission disturb.
Preferably, described outer contact forms by arranging through electroplate or copper-plated some wire winds fiber composite cores.Outer contact is through the process of the low resistance metal layer such as electroplate, copper, and after process, the sheet resistance of conductor reduces, and can reduce the surface corona phenomenon of Ultra-high Voltage Wire like this.
Preferred further, the number of plies of described metal wire is 3 layers, internal layer 8-10 wires, intermediate layer 12-16 wires, outermost layer 16-22 wires.
Preferred further, described metal wire is silver-colored line, copper cash or aluminum steel.The electric conductivity of these three kinds of wires is good, and the resistance of wire is low.
Advantageous Effects of the present utility model is;
1, fiber composite core of the present utility model is owing to having conductive fiber and conductive filler, so plug can be made to conduct electricity, and the composite construction of fibre resin can ensure that wire possesses good mechanical property, so the utility model can meet the requirement of ultra high voltage aerial condutor to mechanical property and electrical property simultaneously;
2, wire of the present utility model has outer contact, and outer contact is metal coating, and the sheet resistance of conductor can be made to reduce, and reduces the surface corona phenomenon of Ultra-high Voltage Wire;
3, ultra high voltage aerial condutor of the present utility model has lightweight, the plurality of advantages such as intensity is high, electrical efficiency is high and corona discharge phenomenon is light, compensate for the deficiency of traditional Ultra-high Voltage Wire.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1, fiber composite core internal layer; 2, fiber composite core is outer; 3, outer contact.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
Embodiment one
As shown in Figure 1, fiber composite plug internal layer 1 is made up of carbon fiber, carbon dust and epoxy resin-base, and fiber composite core skin 2 is made up of glass fibre and polyphenylene sulfide matrix, and outer contact 3 is that the copper cash of the silver-plated process in round cross section is formed.
By carbon dust and epoxy-resin systems according to mass ratio 4:6 Homogeneous phase mixing, after mixing, then impregnated carbon fiber is drawn in glue mould and carry out just solidification, curing temperature is 80 DEG C, and the volume ratio of carbon fiber and resin matrix is 4:6; By in the polyphenylene sulfide matrix of glass fiber impregnated melting, then the outside of the fiber composite core internal layer of just solidification is arranged in, draw in curing mold together again, curing temperature is 210 DEG C, curing molding, glass fibre and polyphenylene sulfide matrix material are than being 4:6, and the diameter of the fiber composite core after shaping is 9.5cm, and fiber composite plug internal layer 1 is 9:1 with the volume ratio of fiber composite core skin 2.
After composite core prepares, at skin by frame winch strand upper conductor, conductor cross-section be circular, altogether twists into 3 layers of silver-plated process aluminum steel, internal layer 10, faces internal layer 16 and skin 22.
Embodiment two
Fiber composite plug internal layer 1 is made up of carbon fiber, copper fiber, carbon dust, silver powder and polyether-ether-ketone matrix, and fiber composite core skin 2 is made up of basalt fibre and phenolic aldehyde matrix, and outer contact 3 is that the aluminum steel of T-shaped cross section copper plating treatment is formed.
Carbon dust, silver powder and the polyether-ether-ketone ratio uniform according to mass ratio 0.05:0.05:9.9 is mixed, mix and after matrix melting, then carbon fiber and copper fiber impregnation are drawn in mould in melting matrix and carry out pre-profiling, melt temperature is 350 DEG C, and carbon fiber, copper fiber and matrix material are than being 4:4:2; By in basalt fibre impregnated phenolic resin, then the outside of the fiber composite core internal layer of just solidification is arranged in, draw in curing mold together again, curing temperature is 150 DEG C, curing molding, the volume ratio of basalt fibre and phenolic resin as matrix resin is 8:2, and the diameter of the fiber composite core after shaping is 9.5cm, and fiber composite plug internal layer 1 is 1:9 with the volume ratio of fiber composite core skin 2.
After composite core prepares, at skin by frame winch strand upper conductor, conductor cross-section is T-shaped, altogether twists into 3 layers of silver-plated process copper cash, internal layer 8, faces internal layer 12 and outer 16.
Embodiment three
Fiber composite core internal layer 1 is made up of silver-colored fiber, carbon dust and polyurethane resin matrix, and fiber composite core skin 2 is made up of glass fibre and epoxy resin-base, and outer contact 3 is that the aluminum steel of the silver-plated process in T-shaped cross section is formed.
By carbon dust and epoxy-resin systems according to mass ratio 1:9 Homogeneous phase mixing, after mixing, then impregnated carbon fiber is drawn in glue mould and carry out just solidification, curing temperature is 220 DEG C, and silver-colored fiber and matrix material are than being 6:4; By glass fiber impregnated in epoxy resin-base, then the outside of the fiber composite core internal layer of just solidification is arranged in, draw in curing mold together again, curing temperature is 230 DEG C, curing molding, glass fibre and epoxy resin-base volume ratio are 6:4, and the fiber composite plug diameter after shaping is 9.5cm, and internal layer and outer field volume ratio are 6:4.
After composite core prepares, at skin by frame winch strand upper conductor, conductor cross-section is T-shaped, altogether twists into 3 layers of silver-plated process aluminum steel, internal layer 9, faces internal layer 14 and outer 19.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to utility model protection scope; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still in protection range of the present utility model.
Claims (10)
1. a ultra high voltage fiber composite core aerial condutor, it is characterized in that: comprise fiber composite core and outer contact, fiber composite core comprises fiber composite core internal layer and fiber composite core is outer, fiber composite core internal layer is made up of conductive fiber, conductive filler and resin matrix, and fiber composite core skin is made up of non-conductive fiber and matrix.
2. ultra high voltage fiber composite core aerial condutor according to claim 1, it is characterized in that: the conductive fiber of fiber composite core internal layer is one or more in metallic fiber or carbon fiber, and resin matrix is epoxy-resin systems, phenolic resin system, polyurethane resin systems, cyanate ester resin, polyphenylene sulfide or polyether-ether-ketone.
3. ultra high voltage fiber composite core aerial condutor according to claim 2, is characterized in that: described metallic fiber is one or more in aluminum fiber, copper fiber or silver-colored fiber.
4. ultra high voltage fiber composite core aerial condutor according to claim 1, is characterized in that: described conductive filler is one or more in carbon dust, chopped carbon fiber or metal powder.
5. ultra high voltage fiber composite core aerial condutor according to claim 4, is characterized in that: described metal powder is one or more in aluminium powder, copper powder or silver powder.
6. ultra high voltage fiber composite core aerial condutor according to claim 1, is characterized in that: the conductive fiber of fiber composite core internal layer and the volume ratio of resin matrix are 4:6 ~ 8:2.
7. ultra high voltage fiber composite core aerial condutor according to claim 6, is characterized in that: the conductive filler of fiber composite core internal layer and the weight ratio of resin matrix are 0.1:9.9 ~ 4:6.
8. ultra high voltage fiber composite core aerial condutor according to claim 1, it is characterized in that: the outer field non-conductive fiber of fiber composite core is made up of one or more in glass fibre, basalt fibre, aramid fiber or spandex fibre, and matrix is epoxy resin, phenolic resins, polyurethane resin, cyanate ester resin, polyphenylene sulfide or polyether-ether-ketone.
9. ultra high voltage fiber composite core aerial condutor according to claim 8, is characterized in that: the volume ratio of the outer field non-conductive fiber of fiber composite core and matrix is 4:6 ~ 8:2.
10. ultra high voltage fiber composite core aerial condutor according to claim 9, is characterized in that: fiber composite core internal layer and the outer field volume ratio of fiber composite core are 1:9 ~ 9:1.
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| CN201520532539.1U CN204732214U (en) | 2015-07-21 | 2015-07-21 | A kind of ultra high voltage fiber composite core aerial condutor |
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| CN201520532539.1U CN204732214U (en) | 2015-07-21 | 2015-07-21 | A kind of ultra high voltage fiber composite core aerial condutor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097092A (en) * | 2015-07-21 | 2015-11-25 | 山东大学 | Extra-high voltage fiber composite core overhead wire |
| CN105869717A (en) * | 2016-04-25 | 2016-08-17 | 国网山东省电力公司莒南县供电公司 | Extra-high voltage lead for intelligent power grid |
| CN107731351A (en) * | 2017-08-29 | 2018-02-23 | 安徽天元电缆有限公司 | A kind of carbon fiber complex core conductor wires and preparation method thereof |
| CN108122631A (en) * | 2016-11-29 | 2018-06-05 | 江苏河阳电气有限公司 | A kind of anti-elater super abrasive cable and preparation method thereof |
| 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 |
-
2015
- 2015-07-21 CN CN201520532539.1U patent/CN204732214U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097092A (en) * | 2015-07-21 | 2015-11-25 | 山东大学 | Extra-high voltage fiber composite core overhead wire |
| CN105869717A (en) * | 2016-04-25 | 2016-08-17 | 国网山东省电力公司莒南县供电公司 | Extra-high voltage lead for intelligent power grid |
| CN108122631A (en) * | 2016-11-29 | 2018-06-05 | 江苏河阳电气有限公司 | A kind of anti-elater super abrasive cable and preparation method thereof |
| CN107731351A (en) * | 2017-08-29 | 2018-02-23 | 安徽天元电缆有限公司 | A kind of carbon fiber complex core conductor wires and preparation method thereof |
| 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 |
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