CN107276004A - The anti-icing transmission line of electricity of passive-type - Google Patents
The anti-icing transmission line of electricity of passive-type Download PDFInfo
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- CN107276004A CN107276004A CN201710692072.0A CN201710692072A CN107276004A CN 107276004 A CN107276004 A CN 107276004A CN 201710692072 A CN201710692072 A CN 201710692072A CN 107276004 A CN107276004 A CN 107276004A
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- Prior art keywords
- icing
- protective plate
- electricity
- transmission line
- semi
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a kind of anti-icing transmission line of electricity of passive-type, including elastic webbing and semi-circular tube, semi-circular tube covers at transmission line of electricity top；The base of semi-circular tube two is respectively diagonally downward to being externally connected with left and right protective plate, the inner surface of left and right protective plate is respectively equipped with left and right link, the two ends of elastic webbing are respectively equipped with left and right hook, left and right hook is hooked on left and right link respectively, radially projection has some anti-icing necks to semi-circular tube, on left and right protective plate respectively to be externally provided with it is some under anti-icing neck, be arranged with anti-freezing agent block in upper and lower anti-icing neck.The present invention makes ice and snow can not adhere to, accumulate on de-icer boot, plays actively anti-icing effect, need not set out manpower and materials in cold outdoor carry out deicing operation in ice and snow weather, greatly save manpower and materials, prevented the blocked up harm brought of icing.The present invention can be acted voluntarily after installing, and ice-covering-proof process is without power, not consumed energy.
Description
Technical field
The present invention relates to power supply technique field, more particularly to a kind of anti-icing transmission line of electricity.
Background technology
The normal operation of modern society be unable to do without the regular supply of electric power.In the winter time, because temperature is low, therefore in sleet etc.
Under weather condition, icing phenomenon easily occurs on transmission line of electricity.Transmission line of electricity, especially ultra-high-tension power transmission line, power supply distance are long,
The capacity of transmission of electricity is big, once breaking down, it will the electricity consumption entity and individual to downstream cause the huge economic loss of total amount.Such as
The 500KV extra high voltage networks of Central China Power Grid in 2005 there occurs down tower and the accident broken, use of this accident to downstream
The economic loss that electric unit is caused has exceeded 10,000,000 yuan.Through looking into, the main cause of this accident is exactly the icing of transmission line of electricity
Thickness exceedes caused by the ice covering thickness that design allows.Certainly, except this extreme case of the broken string of falling tower, powerline ice-covering
Harm is also possible to show overload, uneven icing or the same period is not deiced, ice coating wire is waved, in terms of insulator rupture.
In modern industry production, many large electricity consumers such as electrolysis aluminum production enterprises, according to the scale of production, a blowing out
Accident will cause million, at most 10,000,000 economic loss at least.Therefore, the stable supply electric power of transmission line of electricity is modern society
The fundamental importance that can be run well, Anti-icing of Transmission Lines turns into a research topic with extremely strong realistic meaning.
At present, the research direction of international and national, is gathered on clearing ice technology, is roughly divided into following several classes：
1st, natural external force deicing.This be at present it is most simple and easy to apply be also most ripe clearing ice technology.The technology mainly utilizes nature
In strong wind and the natural external force such as difference variation remove powerline ice-covering；This be it is most simple and easy to apply at present be also most ripe remove
Ice technology.
2nd, mechanical deicing.Mechanical deicing is that icing is directly rooted out by machinery, mainly includes electromagnetic pulse deicing, slides
Shovel scrapes three kinds of modes of deicing and artificial deicing.These de-icing methods are more ripe, but removing rate is low, affected by environment big.Electromagnetism
Pulse de-icer, which makes full use of the magnetic field of vortex and coil magnetic field to sense the repulsion produced, expands wire, after after current impulse disappearance
The principle of wire contraction, make the icing of conductive line surfaces after wire expansion and contraction repeatedly spalling and drop.Shovel is slided to strike off
Ice is the impulsive force that the pulsed magnetic field for producing the impulsive discharge electric current of capacitor by coil is converted to executing agency, and then will
The icing of conductive line surfaces hits to split and dropped.
3. heat ice-melting method.Heating ice-melting method is to utilize the transmission electric current more than normal current density to pass through transmission line of electricity
When the Joule heat that produces melt the icing of wire, extreme case is short-circuit ice-melt.It is main at present to use alternating current and direct current
Two kinds of heating de-icing technologies of electric current, encourage the dielectric loss de-icing technology produced also to have small range of answer using high-frequency and high-voltage
With.2011, by research team and Hunan electric power system Testing ＆ Research Institute, the National University of Defense technology of the southern institute's bands of Hunan University Wang Yao etc.
The scientific achievement that multiple mechanisms combine " the new ice-melt of transmission line of electricity, clearing ice technology and the device " that undertakes and complete is melted in power transmission line
Ice played an important role in field.Their newest advanced DC de-icing devices developed, in a plurality of 220 kV
DC ice melting is successfully realized on transmission line of electricity.
These existing achievements in research, it is significant for removing ice of power transmission line, but these research all only will
Research direction has been placed on " deicing after icing ", how not to prevent the correlative study of powerline ice-covering still at present.
The content of the invention
The anti-icing transmission line of electricity of passive-type of powerline ice-covering can be prevented it is an object of the invention to provide a kind of.
To achieve the above object, the anti-icing transmission line of electricity of passive-type of the invention includes elastic webbing and the steel of section semicircular in shape
Change the semi-circular tube of glass system, the internal diameter of the semi-circular tube is adapted to the outer radial of transmission line of electricity；Semi-circular tube Open Side Down cover at it is defeated
The axis of the axis and transmission line of electricity of electric line top and semi-circular tube coincides；
The base of semi-circular tube two is anti-to the left protective plate for being externally connected with safety glass and the right side of safety glass diagonally downward respectively
Backplate, the inner surface of left protective plate is provided with left link, and the inner surface of right protective plate is provided with right link, the two ends point of elastic webbing
Left it She You not link up with and right hook, left hook is hooked on left link, and right hook is hooked on right link, elastic webbing diastole state
Under length be less than air line distance between left link and right link；Elastic webbing compresses transmission line of electricity, the semi-circular tube, a left side upwards
Protective plate and right protective plate composition de-icer boot；
Radially projection has some axial projections and radial protrusion to the semi-circular tube, if axial projection and radial protrusion are surrounded
Dry anti-icing neck, upper anti-icing neck is uniformly distributed on the outer surface of semi-circular tube, and anti-freezing agent block is arranged with upper anti-icing neck；
On the left protective plate and right protective plate respectively to be externally provided with it is some under anti-icing neck, under anti-icing neck in left protective plate and
Be uniformly distributed on the outer surface of right protective plate, under be arranged with anti-freezing agent block in anti-icing neck.
The anti-freezing agent block is villaumite or Lu Limei.
The villaumite is sodium chloride or calcium chloride or magnesium chloride.
Two adjacent anti-icing cards are connected with being respectively equipped with radial protrusion in axial projection at the upper anti-icing neck
The permeable through hole of groove, the top of the permeable through hole is located at axial projection and the top of radial protrusion and its bottom is positioned at axially convex
Play the bottom with radial protrusion.
Present the back taper of thick lower point in the bottom section of the left protective plate and right protective plate.
The present invention has the advantage that：
Using the anti-icing transmission line of electricity of passive-type of the present invention, ice and snow can be made can not to adhere to, accumulate on de-icer boot, played actively
Anti-icing effect, compared to that can only carry out anti-ice operation for established icing layer in the past, the present invention need not go out in ice and snow weather
Dynamic manpower and materials greatly save manpower and materials, have further prevented icing and crossed thicker strip in cold outdoor carry out deicing operation
The harm come.The present invention can be acted voluntarily after installing, and ice-covering-proof process is carried out automatically, and ice-covering-proof process need not be dynamic
Power, consumed energy, not compared with the past to have saved the energy consumed during deicing.
In addition, the present invention is simple in construction, it can be transformed on the basis of existing transmission line of electricity, naturally it is also possible to new
It is directly newly-built when building transmission line of electricity to form.
The water of thawing is flowed downward by the semi-circular tube, left protective plate and right protective plate of de-icer boot, finally by left protective plate and
The bottom of right protective plate is flowed down.Because left protective plate and right protective plate are respectively along the base of semi-circular tube two respectively diagonally downward to peripheral hardware
Put, and thick lower sharp back taper is presented in the bottom section of left protective plate and right protective plate, therefore water can be by reverse taper portion
Sophisticated place is flowed down, and without going past being adsorbed onto after left protective plate and right protective plate on transmission line of electricity again, is further prevented water loading and is existed
Freeze the possibility of attachment on transmission line of electricity.
Regularly by larger current in transmission line of electricity, anti-freezing agent has certain corrosivity, installation site after melting
There is higher intensity exposed to the outdoor protector for also requiring that transmission line of electricity.Semi-circular tube, left protective plate and right protective plate are equal
It is made up of safety glass, it is good insulation preformance, corrosion-resistant and with higher intensity, it is very suitable for Anti-icing of Transmission Lines and uses.
Length under elastic webbing diastole state is less than the air line distance between left link and right link, so that elastic webbing exists
It can be stretched when pushing down transmission line of electricity, semi-circular tube and elastic webbing is compressed transmission line of electricity.
Left link and right link are provided with multigroup along the length direction uniform intervals of left protective plate and right protective plate respectively, every group
One elastic webbing of hook joint is distinguished on left link and right link.So, a de-icer boot can be fixed by a plurality of elastic webbing, makes to prevent
Ice cover is combined more firm with transmission line of electricity, because of factors such as vibrations de-icer boot will not be caused to be rotated relative to transmission line of electricity.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the present invention；
Fig. 2 is axial raised schematic cross-section；
Fig. 3 is the structural representation of elastic webbing；
Fig. 4 is the schematic top plan view of semi-circular tube in Fig. 1.
In Fig. 1, the position and the position of radial protrusion 11 of upper anti-icing neck 12 coincide, and do not indicate individually in Fig. 1
The position of upper anti-icing neck 12.
Embodiment
As shown in Figures 1 to 4, the anti-icing transmission line of electricity of passive-type of the invention includes elastic webbing 1 and section semicircular in shape
The semi-circular tube 2 of safety glass, the internal diameter of the semi-circular tube 2 is adapted to the outer radial of transmission line of electricity 3；Semi-circular tube 2 Open Side Down cover
Axis located at the axis and transmission line of electricity 3 of the top of transmission line of electricity 3 and semi-circular tube 2 coincides；
2 liang of bases of semi-circular tube are respectively diagonally downward to the left protective plate 4 and the right side of safety glass for being externally connected with safety glass
Protective plate 5, the inner surface of left protective plate 4 is provided with left link 6, and the inner surface of right protective plate 5 is provided with right link 7, elastic webbing 1
Two ends be respectively equipped with left hook 8 and right hook 9, left hook 8 is hooked on left link 6, and right hook 9 is hooked on right link 7,
Length under the diastole state of elastic webbing 1 is less than the air line distance between left link 6 and right link 7, so that elastic webbing 1 is being pushed down
It can be stretched during transmission line of electricity 3, semi-circular tube 2 and elastic webbing 1 is compressed transmission line of electricity 3；The semi-circular tube 2, left protective plate 4 and the right side
Protective plate 5 constitutes de-icer boot；
Radially projection has some axial projections 10 and radial protrusion 11, axial projection 10 and radial convex to the semi-circular tube 2
Play 11 and surround some anti-icing necks 12, upper anti-icing neck 12 is uniformly distributed on the outer surface of semi-circular tube 2, upper anti-icing neck 12
Inside it is arranged with anti-freezing agent block；
On the left protective plate 4 and right protective plate 5 respectively to be externally provided with it is some under anti-icing neck 13, under anti-icing neck 13 it is anti-on a left side
Be uniformly distributed on the outer surface of backplate 4 and right protective plate 5, under be arranged with anti-freezing agent block in anti-icing neck 13.
To make drawing clear, anti-freezing agent block not shown in figure.
The anti-freezing agent block is villaumite or Lu Limei.The villaumite is sodium chloride or calcium chloride or magnesium chloride.
In axial projection 10 at the upper anti-icing neck 12 be respectively equipped with radial protrusion 11 connect two it is adjacent on
The permeable through hole 14 of anti-icing neck 12, the top of the permeable through hole 14 be located at the top of axial projection 10 and radial protrusion 11 and
Its bottom is located at the bottom of axial projection 10 and radial protrusion 11.
Present the back taper of thick lower point in the bottom section of the left protective plate 4 and right protective plate 5.The He of left link 6
Right link 7 is provided with multigroup, every group of left link and right extension along the length direction uniform intervals of left protective plate 4 and right protective plate 5 respectively
One elastic webbing 1 of hook joint is distinguished on ring.So, a de-icer boot can be fixed by a plurality of elastic webbing 1, makes de-icer boot and transmission of electricity
Circuit combines more firm, because of factors such as vibrations de-icer boot will not be caused to be rotated relative to transmission line of electricity.
Using the anti-icing transmission line of electricity 3 of passive-type of the present invention, the body of transmission line of electricity 3 is covered by de-icer boot, run into the winter time
During sleety weather, rain or snow can only fall on de-icer boot.Card is set upper anti-icing neck 12 on de-icer boot in anti-icing neck 13 with
Anti-freezing agent block contacted with sleet, the reduction of the freezing point of water（Subzero 20 DEG C or so would generally be reduced to）.Due to coming for ice and snow
Say, actually the process melted and solidified constantly occurs for its surface, because melting equal with the speed solidified（The speed of thawing
It is not above the speed of solidification）, therefore general performance is solid-state.So, after freezing point declines, the speed of ice dissolution will surpass
The speed of supersolidification, even if what is contacted with anti-freezing agent block is the ice and snow of solid-state, it also can gradually melt, and melt the water of part on edge
When de-icer boot flows downward, solid portion thereon can be driven to come off in the lump, so that ice and snow can not adhere to, accumulate in de-icer boot
On, play actively anti-icing effect.
Certainly, after temperature extreme low temperature, the freezing point less than anti-icing agent solution, the present invention also can be ineffective.But China
Most areas are in north temperate zone, it is difficult to extreme low temperature is run into, therefore this extreme case can not considered.
When the anti-icing transmission line of electricity 3 of passive-type in the present invention uses the anti-freezing agent in long period, each anti-icing neck 12
After having consumed, permeable through hole 14 will expose.Permeable through hole 14 can balance the amount of anti-freezing agent in each anti-icing neck, consumption
When having water in less anti-icing neck, the water dissolved with a certain amount of anti-freezing agent at this can be disappeared by permeable through hole 14 into anti-freezing agent
In the more anti-icing neck of consumption so that the consumption of the anti-freezing agent in each anti-icing neck 12 tends to be balanced.Due to left protection
Plate 4 and right protective plate 5 are arranged at 2 liang of bases of semi-circular tube and tilt down outward-dipping setting, therefore left protective plate 4 and the right side are anti-
The gradient of backplate 5 is larger, and ice and snow is difficult to adhere to thereon, and water can then run through left protective plate 4 and right protective plate 5 is dripped, because
The depletion rate of anti-freezing agent block under this in anti-icing neck 13 is significantly smaller than the consumption speed of the anti-freezing agent block in anti-icing neck 12
Degree, the consumption of anti-freezing agent everywhere is balanced without permeable through hole 14 is set on the cell wall of anti-icing neck 13 under.
In a word, using the anti-icing transmission line of electricity 3 of passive-type of the present invention, ice and snow can be made can not to adhere to, accumulate in de-icer boot
On, actively anti-icing effect is played, compared to that can only carry out anti-ice operation for established icing layer in the past, the present invention is in ice and snow
Weather need not set out manpower and materials in cold outdoor carry out deicing operation, greatly save manpower and materials, further prevent
The blocked up harm brought of icing.The present invention can be acted voluntarily after installing, and ice-covering-proof process is carried out automatically, and ice-covering-proof
Process is without power, and consumed energy, not compared with the past to have saved the energy consumed during deicing（Electric energy and mechanical energy）.
Above example is only used to illustrative and not limiting technical scheme, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that：Still the present invention can be modified or be waited
With replacement, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should cover the power in the present invention
Among sharp claimed range.
Claims (6)
1. the anti-icing transmission line of electricity of passive-type, it is characterised in that：Half of safety glass including elastic webbing and section semicircular in shape
Pipe, the internal diameter of the semi-circular tube is adapted to the outer radial of transmission line of electricity；Semi-circular tube Open Side Down cover at transmission line of electricity top and
The axis of semi-circular tube and the axis of transmission line of electricity coincide；
The base of semi-circular tube two is anti-to the left protective plate for being externally connected with safety glass and the right side of safety glass diagonally downward respectively
Backplate, the inner surface of left protective plate is provided with left link, and the inner surface of right protective plate is provided with right link, the two ends point of elastic webbing
Left it She You not link up with and right hook, left hook is hooked on left link, and right hook is hooked on right link, elastic webbing diastole state
Under length be less than air line distance between left link and right link；Elastic webbing compresses transmission line of electricity, the semi-circular tube, a left side upwards
Protective plate and right protective plate composition de-icer boot；
Radially projection has some axial projections and radial protrusion to the semi-circular tube, if axial projection and radial protrusion are surrounded
Dry anti-icing neck, upper anti-icing neck is uniformly distributed on the outer surface of semi-circular tube, and anti-freezing agent block is arranged with upper anti-icing neck；
On the left protective plate and right protective plate respectively to be externally provided with it is some under anti-icing neck, under anti-icing neck in left protective plate and
Be uniformly distributed on the outer surface of right protective plate, under be arranged with anti-freezing agent block in anti-icing neck.
2. the anti-icing transmission line of electricity of passive-type according to claim 1, it is characterised in that：The anti-freezing agent block is villaumite or road
Li Mei.
3. the anti-icing transmission line of electricity of passive-type according to claim 2, it is characterised in that：The villaumite is sodium chloride or chlorination
Calcium or magnesium chloride.
4. the anti-icing transmission line of electricity of passive-type according to any one of claim 1 to 3, it is characterised in that：It is described anti-icing
In axial projection at neck with the permeable through hole that connects two adjacent anti-icing necks is respectively equipped with radial protrusion, it is described
The top of water through hole is located at axial projection and the top of radial protrusion and its bottom and is located at the bottom of axial projection and radial protrusion.
5. the anti-icing transmission line of electricity of passive-type according to any one of claim 1 to 3, it is characterised in that：The left protection
Present the back taper of thick lower point in the bottom section of plate and right protective plate.
6. the anti-icing transmission line of electricity of passive-type according to claim 1, it is characterised in that：Left link and right the link difference
Along the length direction uniform intervals of left protective plate and right protective plate provided with multigroup, hook joint one is distinguished on every group of left link and right link
Bar elastic webbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692072.0A CN107276004B (en) | 2017-08-14 | 2017-08-14 | The anti-icing transmission line of electricity of passive-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692072.0A CN107276004B (en) | 2017-08-14 | 2017-08-14 | The anti-icing transmission line of electricity of passive-type |
Publications (2)
| Publication Number | Publication Date |
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| CN107276004A true CN107276004A (en) | 2017-10-20 |
| CN107276004B CN107276004B (en) | 2019-01-25 |
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ID=60080003
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| CN201710692072.0A Expired - Fee Related CN107276004B (en) | 2017-08-14 | 2017-08-14 | The anti-icing transmission line of electricity of passive-type |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325321A (en) * | 2008-04-09 | 2008-12-17 | 中国工程物理研究院应用电子学研究所 | Method for deicing overhead high-voltage transmission line by using laser |
| CN102208790A (en) * | 2010-03-31 | 2011-10-05 | 江晓湖 | Anti-icing and deicing method for power line by using airbag anti-icing protective belt |
| CN102983537A (en) * | 2012-11-14 | 2013-03-20 | 四川省电力工业调整试验所 | Intelligent deicing device for six-split transmission lines |
| CN103066542A (en) * | 2011-03-28 | 2013-04-24 | 清华大学 | Deicing and anti-freezing system during transportation of electric transmission line |
| CN104078912A (en) * | 2014-07-17 | 2014-10-01 | 哈尔滨理工大学 | Power transmission line deicing method through extrinsic excitation resonance |
| CN105610111A (en) * | 2016-03-01 | 2016-05-25 | 国网山东省电力公司章丘市供电公司 | Deicing apparatus for power transmission line |
-
2017
- 2017-08-14 CN CN201710692072.0A patent/CN107276004B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325321A (en) * | 2008-04-09 | 2008-12-17 | 中国工程物理研究院应用电子学研究所 | Method for deicing overhead high-voltage transmission line by using laser |
| CN102208790A (en) * | 2010-03-31 | 2011-10-05 | 江晓湖 | Anti-icing and deicing method for power line by using airbag anti-icing protective belt |
| CN103066542A (en) * | 2011-03-28 | 2013-04-24 | 清华大学 | Deicing and anti-freezing system during transportation of electric transmission line |
| CN102983537A (en) * | 2012-11-14 | 2013-03-20 | 四川省电力工业调整试验所 | Intelligent deicing device for six-split transmission lines |
| CN104078912A (en) * | 2014-07-17 | 2014-10-01 | 哈尔滨理工大学 | Power transmission line deicing method through extrinsic excitation resonance |
| CN105610111A (en) * | 2016-03-01 | 2016-05-25 | 国网山东省电力公司章丘市供电公司 | Deicing apparatus for power transmission line |
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| CN107276004B (en) | 2019-01-25 |
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Granted publication date: 20190125 Termination date: 20210814 |