CN203118612U - Ice-coating proof special shaped overhead conductor capable of automatically deicing and preventing waving - Google Patents
Ice-coating proof special shaped overhead conductor capable of automatically deicing and preventing waving Download PDFInfo
- Publication number
- CN203118612U CN203118612U CN 201320003995 CN201320003995U CN203118612U CN 203118612 U CN203118612 U CN 203118612U CN 201320003995 CN201320003995 CN 201320003995 CN 201320003995 U CN201320003995 U CN 201320003995U CN 203118612 U CN203118612 U CN 203118612U
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- ice
- conductive layer
- aerial condutor
- covering
- conductor
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- 239000004020 conductor Substances 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 title abstract description 9
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- 230000002452 interceptive effect Effects 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
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- 239000004917 carbon fiber Substances 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 12
- 230000006872 improvement Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Non-Insulated Conductors (AREA)
Abstract
The utility model discloses an ice-coating proof special shaped overhead conductor capable of automatically deicing and preventing waving. The ice-coating proof special shaped overhead conductor comprises a conductor core, wherein the conductor core is externally wrapped by a plurality of cylindrical conductive layers which are formed by mutually stranding multiple metal stranded wires and smooth in outer surface, adjacent conductive layers press against each other and can rotate relatively, thereby generating heat and noises, consuming energy of the wind, being capable of preventing waving caused by strong wind to a maximum degree, and ensuring safe operation of the conductor. The metal stranded wires in the outermost conductive layer contain a metal stranded wire with a low Curie point. When the temperature is lower than 0 DEG C, the metal stranded wire with the low Curie point generates heat so as to melt ice coated on the surface of the overhead conductor. The outer surface of the outermost conductive layer is provided with an interfering wire along the helix angle in stranding, thereby enabling the cross sections of the overhead conductor at any points are different, enabling low-temperature high-humidity air with an ice coating condition can not land on the surface of the overhead conductor, and not being capable of forming ice coating. The ice-coating proof special shaped overhead conductor disclosed by the utility model is suitable for long distance electricity transmission.
Description
Technical field
The utility model relates to and a kind ofly can suppress aerial condutor icing, automatic de-icing and prevent that the ice-covering-proof automatic de-icing of conductor galloping is anti-to wave special-shaped aerial condutor.
Background technology
The existing power aerial condutor is made of core and stranded conductor mostly, and core generally adopts galvanized steel wire, plays the tension effect, and stranded conductor is aluminum conductor, is stranded in the outside of core, is used for the high-tension electricity long-distance transmissions.The aerial condutor of this structure, in non-icing season or do not have under the weather condition of wind and snow, all grace should satisfy requirement of safety transmission of electricity.But in actual motion, the existing deficiency of this aerial condutor is: because the resistance of the unit length of this aerial condutor is invariable, under the constant condition of electric current, its power is kept constant, the caloric value that is to say lead is kept invariable, when meeting with strong snowfall, sleet weather, simultaneously under the little situation of electric load, can form at aerial condutor and hang frost, icing and icicle, even at the thicker ice cover of the surface of aerial condutor formation, strengthened the own wt of aerial condutor, cause broken string or shaft tower to fracture, interrupt transmission of electricity, make troubles to people's lives, also bring about great losses to country.At the beginning of 2008, high wind snow, sleet disaster that China south meets with, its economic loss reaches and exceeds 100 billion, in the time of largely since the transmission line malfunction of high voltage overhead lead cause, therefore, under ice and snow, sleet weather condition, in time to aerial condutor defrost, deicing, prevent that its surface from freezing, just seeming is even more important.At present, solve or prevent that ice trouble from having two kinds of technological approaches from the angle of aerial condutor: prevent from freezing for the moment; The 2nd, adopt an effective measure and carry out deicing.Obviously, preventing from freezing is a kind ofly initiatively to prevent the ice trouble measure, and deicing is a kind of passive anti-ice trouble measure.Take the initiative and prevent the ice trouble technology, namely relate to the aerial condutor with icing protection, technology in this respect mainly contains following several: 1, development has hydrophobic coating, be coated in the aerial condutor surface, but the technical barrier that this technology exists the low and hydrophobic performance instability of the coating intensity of coating and lead etc. thoroughly to solve as yet also has big gap in the engineering practical application; 2, adopt the aerial condutor of special construction, lead is not regular circle, but has certain wedge angle at outermost one or more strands of aluminium single lines, be in contact with it the little and icing difficulty of face at sharp corner owing to water, but be difficult to play ice-covering-proof effect for strong snowfall, strong sleet, also do not obtain practical application; 3, outside aerial condutor, hang down the Curie temperature alloy around one or multiply, when temperature is low.Alloy material has higher magnetic property, and the magnetic eddy current loss heating frame hollow wire that the electric current induction of flowing through by lead produces freezes preventing, but it is still higher to prepare the Curie point that hangs down the Curie temperature alloy at present, has also limited this The Application of Technology.Passive deicing technology comprises that machinery impacts the deicing technology and electrical equipment heats two kinds of deicing technology: machinery impacts the deicing technology and might cause the aerial condutor mechanical damage, reduce the aerial condutor life-span, generally should avoid as far as possible adopting; One of electrical equipment heating deicing technology is to adopt steel core and the aerial condutor of aluminium stranded conductor with the crosslinked polyetylene insulated special construction that separates of one deck, when carrying out the deicing operation, make the aerial condutor operating current all pass through steel core by switch control, because steel core resistance is big, electric energy loss on the unit length is big, thereby plays the effect of heating deicing; Two of electrical equipment deicing technology is under the condition that has a power failure, utilize generator movably to provide to exchange or DC power supply heats the deicing operation to a certain section of the aerial condutor that frozen, because the restriction of aerial condutor circuit geographical conditions, it is very difficult carrying heavy power supply, has also limited this The Application of Technology.
The utility model content
The purpose of this utility model is to provide a kind of special-shaped aerial condutor that can suppress aerial condutor icing, automatic de-icing and prevent conductor galloping.
The solution that the utility model solves its technical problem is: a kind of ice-covering-proof automatic de-icing prevents waving special-shaped aerial condutor, it comprises core, the some layers of the outer wrap of described core are by the mutual stranded conductive layer that forms columned smooth outer surface of many strip metals twisted wire, the adjacent conductive layer is pressed mutually and is touched and can relatively rotate, have one in the metallic cable in the outermost conductive layer and be interfering line, described interfering line be provided with one be higher than outermost conductive layer outer surface the interfering line protuberance or be lower than the interfering line recess of the outer surface of outermost conductive layer.
As further improvement in the technical proposal, also has a low curie point metallic cable in the metallic cable in the outermost conductive layer.
As further improvement in the technical proposal, described interfering line is the low curie point metallic cable.
As further improvement in the technical proposal, form many strip metals twisted wire of described conductive layer for chimeric mutually with the adjacent metal twisted wire under stranded state, have the protuberance that recess that the side side in the relative a pair of side of the circumferencial direction of trolley wire forms and the opposing party side form separately.
As further improvement in the technical proposal, a kind of in low Curie's nickel-base alloy or the low Curie's ferrous alloy of described low curie point metallic cable.
As further improvement in the technical proposal, described metallic cable is a kind of in aluminium stranded conductor or the aluminium alloy stranded conductor.
As further improvement in the technical proposal, described core is a kind of in aluminium stranded conductor, aluminium alloy stranded conductor, steel strand wire, aluminum-cladding stranded wire, bar type carbon fiber strengthening core or the twisted carbon fiber strengthening core.
As further improvement in the technical proposal, the number of plies of described conductive layer is 3 layers.
The beneficial effects of the utility model are: the utility model passes through at some layers of conductive layer of core outer wrapping, outermost conductor layer also is provided with interfering line, make that the cross sectional shape of aerial condutor any point is all different, add the lead angle of interfering line on the aerial condutor, cause the index of aerodynamics aspects such as the air pressure of any point on the aerial condutor and flow velocity all different, making has the low temperature and high relative humidity air of icing condition to land on the aerial condutor surface, can not form icing, also be provided with a low curie point metallic cable in the outermost conductor layer, when temperature is lower than 0 ℃, the resistivity of low curie point metallic cable almost linearly rises, produce heat, to making the icing fusing of aerial condutor surface, also have, can relatively rotate between the adjacent two conductive layers, generate heat and the generation noise, consume the energy of wind, so aerial condutor has tangible self-damping performance, can stop big wind-induced waving largely, guarantee the lead safe operation.
The utility model is applicable in the long distance conveying electricity.
Description of drawings
Below in conjunction with accompanying drawing and example the utility model is further described.
Fig. 1 is the structural representation of embodiment one of the present utility model;
Fig. 2 is the structural representation of embodiment two of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, describe application of the present utility model in detail.
With reference to Fig. 1～Fig. 2, a kind of ice-covering-proof automatic de-icing prevents waving special-shaped aerial condutor, it comprises core 1, the some layers of the outer wrap of core 1 are by many strip metals twisted wire 2 mutual stranded conductive layers that form columned smooth outer surface, the adjacent conductive layer is pressed mutually and is touched and can relatively rotate, every layer of conductive layer forms a pipeloop, and two-layer tight contact makes aerial condutor have bigger intensity; When wind is moving, because the natural frequency of different piece is different between two-layer, therefore can not resonate; Simultaneously, can relatively rotate between the adjacent two conductive layers, heating and produce noise consumes the energy of wind, so aerial condutor has tangible self-damping performance, can stop big wind-induced waving largely, guarantees the lead safe operation.There is one to be the low curie point metallic cable in the metallic cable 2 in the outermost conductive layer.Wherein, Curie point refers to and also claims Curie temperature or magnetic transformation point, refers to the temperature that material can change between ferromagnet and paramagnet, and namely ferroelectric is transformed into the phase transition temperature of para-electric coupling from ferroelectric phase.Also can be described as the transition temperature that second-order phase transistion takes place.This material becomes ferromagnet when being lower than Curie-point temperature, and this moment, the magnetic field relevant with material was difficult to change.When temperature was higher than Curie-point temperature, this material became paramagnet, and the magnetic field of magnet is easy to change with the change of surrounding magnetic field.At this moment magnetosensitive sensitivity is about 10 negative 6 powers.There is one to be interfering line 3 in the metallic cable 2 in the outermost conductive layer, interfering line 3 be provided with one be higher than outermost conductive layer outer surface the interfering line protuberance or be lower than the interfering line recess of the outer surface of outermost conductive layer, so the lead angle of interfering line 3 when stranded is coiled in the outer surface of outermost conductive layer.Because interfering line 3, make that the cross sectional shape of aerial condutor any point is all different, add the lead angle of interfering line on the aerial condutor, cause the index of aerodynamics aspects such as the air pressure of any point on the aerial condutor and flow velocity all different, making has the low temperature and high relative humidity air of icing condition to land on the aerial condutor surface, can not form icing.Form many strip metals twisted wire 2 of described conductive layer for chimeric mutually with adjacent metal twisted wire 2 under stranded state, has the protuberance that recess that the side side in the relative a pair of side of the circumferencial direction of trolley wire forms and the opposing party side form separately, be metallic cable 2 usefulness T types or S type structure, smooth surface, the groove that does not have steel core aluminium strand surface, therefore when climate change during to the icing condition, icing can't form.A kind of in low Curie's nickel-base alloy or the low Curie's ferrous alloy of low curie point metallic cable, its when 0 spends heating power at 60W/kg.The low curie point metal is as the usefulness of the deicing of lead, and during near 0 ℃, resistivity almost linearly rises this low curie point metal, produces heat, to making the fusing of conductive line surfaces icing in temperature; The resistivity of material is basic the same with annealed aluminum wire when being higher than 0 ℃, can not cause waste of electric energy like this.So aerial condutor does not need to install ice-covering-proof and prevents the gold utensil of functions such as waving, does not need method deicing such as machinery yet, all working all uses lead self function to finish, and Installation and Debugging are as plain conductor.
The further improvement of above-described embodiment, metallic cable 2 are a kind of in aluminium stranded conductor or the aluminium alloy stranded conductor, select different metallic cables according to different terrain environments, transmission voltage and fed distance.
The further improvement of above-described embodiment, core 1 are a kind of in aluminium stranded conductor, aluminium alloy stranded conductor, steel strand wire, aluminum-cladding stranded wire, bar type carbon fiber strengthening core or the twisted carbon fiber strengthening core.Select different cores according to different terrain environments, transmission voltage and fed distance.
The further improvement of above-described embodiment, the number of plies of conductive layer are 3 layers, guarantee the intensity of aerial condutor.
More than be that preferred embodiments of the present utility model is specified, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of the utility model spirit, the modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (8)
1. an ice-covering-proof automatic de-icing prevents waving special-shaped aerial condutor, it is characterized in that: it comprises core (1), the some layers of the outer wrap of described core (1) are by the mutual stranded conductive layer that forms columned smooth outer surface of many strip metals twisted wire (2), the adjacent conductive layer is pressed mutually and is touched and can relatively rotate, have one in the metallic cable (2) in the outermost conductive layer and be interfering line (3), described interfering line (3) be provided with one be higher than outermost conductive layer outer surface the interfering line protuberance or be lower than the interfering line recess of the outer surface of outermost conductive layer.
2. ice-covering-proof automatic de-icing according to claim 1 is anti-waves special-shaped aerial condutor, it is characterized in that: also have a low curie point metallic cable in the metallic cable (2) in the outermost conductive layer.
3. ice-covering-proof automatic de-icing according to claim 2 is anti-waves special-shaped aerial condutor, and it is characterized in that: described interfering line (3) is the low curie point metallic cable.
4. prevent waving special-shaped aerial condutor according to claim 2 or 3 described ice-covering-proof automatic de-icings, it is characterized in that: form many strip metals twisted wire (2) of described conductive layer for chimeric mutually with adjacent metal twisted wire (2) under stranded state, have the protuberance that recess that the side side in the relative a pair of side of the circumferencial direction of trolley wire forms and the opposing party side form separately.
5. wave special-shaped aerial condutor according to claim 2 or 3 described ice-covering-proof automatic de-icings are anti-, it is characterized in that: a kind of in low Curie's nickel-base alloy or the low Curie's ferrous alloy of described low curie point metallic cable.
6. ice-covering-proof automatic de-icing according to claim 4 is anti-waves special-shaped aerial condutor, it is characterized in that: a kind of in aluminium stranded conductor, aluminium alloy stranded conductor, steel strand wire, aluminum-cladding stranded wire, bar type carbon fiber strengthening core or the twisted carbon fiber strengthening core of described core (1).
7. ice-covering-proof automatic de-icing according to claim 4 is anti-waves special-shaped aerial condutor, it is characterized in that: a kind of in aluminium stranded conductor or the aluminium alloy stranded conductor of described metallic cable (2).
8. ice-covering-proof automatic de-icing according to claim 4 is anti-waves special-shaped aerial condutor, and it is characterized in that: the number of plies of described conductive layer is 3 layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320003995 CN203118612U (en) | 2013-01-05 | 2013-01-05 | Ice-coating proof special shaped overhead conductor capable of automatically deicing and preventing waving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320003995 CN203118612U (en) | 2013-01-05 | 2013-01-05 | Ice-coating proof special shaped overhead conductor capable of automatically deicing and preventing waving |
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| Publication Number | Publication Date |
|---|---|
| CN203118612U true CN203118612U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320003995 Expired - Lifetime CN203118612U (en) | 2013-01-05 | 2013-01-05 | Ice-coating proof special shaped overhead conductor capable of automatically deicing and preventing waving |
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| CN (1) | CN203118612U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117122A (en) * | 2013-01-05 | 2013-05-22 | 佛冈鑫源恒业电缆科技有限公司 | Anti-icing, self-deicing and anti-waving special-shaped overhead conductor |
| CN104036860A (en) * | 2014-06-19 | 2014-09-10 | 国网四川省电力公司成都市新都供电分公司 | Anti-icing insulated wire |
| CN104409142A (en) * | 2014-11-24 | 2015-03-11 | 无锡江南电缆有限公司 | Super-huge type section split conductor |
-
2013
- 2013-01-05 CN CN 201320003995 patent/CN203118612U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117122A (en) * | 2013-01-05 | 2013-05-22 | 佛冈鑫源恒业电缆科技有限公司 | Anti-icing, self-deicing and anti-waving special-shaped overhead conductor |
| CN104036860A (en) * | 2014-06-19 | 2014-09-10 | 国网四川省电力公司成都市新都供电分公司 | Anti-icing insulated wire |
| CN104036860B (en) * | 2014-06-19 | 2017-02-15 | 国网四川省电力公司成都市新都供电分公司 | Anti-icing insulated wire |
| CN104409142A (en) * | 2014-11-24 | 2015-03-11 | 无锡江南电缆有限公司 | Super-huge type section split conductor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
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| CX01 | Expiry of patent term |