CN207339202U - The anti-icing transmission line of electricity of passive-type - Google Patents
The anti-icing transmission line of electricity of passive-type Download PDFInfo
- Publication number
- CN207339202U CN207339202U CN201721011979.8U CN201721011979U CN207339202U CN 207339202 U CN207339202 U CN 207339202U CN 201721011979 U CN201721011979 U CN 201721011979U CN 207339202 U CN207339202 U CN 207339202U
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- icing
- protective plate
- electricity
- transmission line
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Abstract
The utility model 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；Two base of semi-circular tube 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 both 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 protrusion has some anti-icing card slots to semi-circular tube, on left and right protective plate respectively to be externally provided with it is some under anti-icing card slot, be arranged with anti-freezing agent block in upper and lower anti-icing card slot.The utility model makes ice and snow can not adhere to, accumulate on de-icer boot, plays actively anti-icing effect, need not set out outdoor carry out deicing operation of the manpower and materials in cold in ice and snow weather, manpower and materials are greatly saved, have prevented the blocked up harm brought of icing.The utility model can be acted voluntarily after installing, and ice-covering-proof process is without power, not consumed energy.
Description
Technical field
It the utility model is related 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, since temperature is low, 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 length,
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
There occurs the accident of tower and broken string, use of this accident to downstream for the 500KV extra high voltage networks of Central China Power Grid in 2005
Economic loss caused by electric unit has exceeded 10,000,000 yuan.Through looking into, the main reason for 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 does not deice, ice coating wire is waved, insulator rupture etc..
In modern industrial production, many large electricity consumers such as electrolysis aluminum production enterprises, according to the scale of production, a blowing out
Accident will cause few then million, at most 10,000,000 economic loss.Therefore, it is modern society that transmission line of electricity, which stablizes supply electric power,
The fundamental importance that can be run well, Anti-icing of Transmission Lines become 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 is clearing ice technology most simple and practicable and most ripe at present.The technology mainly utilizes
The natural external forces such as strong wind and difference variation in nature remove powerline ice-covering；This is most simple and practicable and most ripe at present
Clearing 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
The repulsion that pulse de-icer makes full use of the magnetic field of vortex to be produced with coil magnetic field sensing expands conducting wire, after current impulse disappearance
The principle of wire contraction, make the icing of conductive line surfaces after conducting wire expansion and contraction repeatedly spalling and drop.Shovel is slided to strike off
Ice is the impulsive force that the impulsive discharge electric current of capacitor is converted to executing agency by the pulsed magnetic field that coil produces, and then will
The icing of conductive line surfaces hits to split and drops.
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
Caused Joule heat melts the icing of conducting wire, and extreme case is short-circuit ice-melt.Mainly use alternating current and direct current at present
Two kinds of heating de-icing technologies of electric current, the dielectric loss de-icing technology produced using high-frequency and high-voltage excitation also have small range of answer
With.2011, by the research team of Hunan University Wang Yao south institute band and Hunan electric power system Testing ＆ Research Institute, National University of Defense technology 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, are of great significance for removing ice of power transmission line, but these researchs 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.
Utility model content
The purpose of this utility model is to provide a kind of anti-icing transmission line of electricity of passive-type that can prevent powerline ice-covering.
To achieve the above object, the anti-icing transmission line of electricity of the passive-type of the utility model includes elastic webbing and section semicircular in shape
Tempered glass semi-circular tube, the internal diameter of the semi-circular tube is adapted with the outside diameter of transmission line of electricity；Open Side Down is provide with for semi-circular tube
Coincide in the axis of the axis and transmission line of electricity of transmission line of electricity top and semi-circular tube；
Two base of semi-circular tube is respectively diagonally downward to the left protective plate and tempered glass for being externally connected with tempered glass
Right protective plate, the inner surface of left protective plate are equipped with left link, and the inner surface of right protective plate is equipped with right link, and the two of elastic webbing
End is respectively equipped with left hook and right hook, and left hook is hooked on left link, and right hook is hooked on right link, elastic webbing diastole
Length under state is less than the air line distance between left link and right link；Elastic webbing compresses transmission line of electricity, the semicircle upwards
Pipe, left protective plate and right protective plate composition de-icer boot；
Radially protrusion has some axial projections and radial protrusion to the semi-circular tube, and axial projection and radial protrusion enclose
Into some anti-icing card slots, upper anti-icing card slot is uniformly distributed on the outer surface of semi-circular tube, is arranged with upper anti-icing card slot anti-icing
Agent block；
On the left protective plate and right protective plate respectively to be externally provided with it is some under anti-icing card slot, under anti-icing card slot in left protection
Be uniformly distributed on the outer surface of plate and right protective plate, under be arranged with anti-freezing agent block in anti-icing card slot.
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 card slot
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 axial 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 utility model has the following advantages：
Using the anti-icing transmission line of electricity of the passive-type of the utility model, ice and snow can be made can not to adhere to, accumulate on de-icer boot,
Actively anti-icing effect is played, carries out anti-ice operation compared to established icing layer can only be directed in the past, the utility model is in ice
Snowy day gas need not set out outdoor carry out deicing operation of the manpower and materials in cold, and manpower and materials are greatly saved, further prevent
The icing blocked up harm brought.The utility model can be acted voluntarily after installing, and ice-covering-proof process carries 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.
In addition, the utility model is simple in structure, can be transformed on the basis of existing transmission line of electricity, naturally it is also possible to
It is directly newly-built in newly-built 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 flows down.Since left protective plate and right protective plate are respectively along two base of semi-circular tube respectively diagonally downward to peripheral hardware
Put, and the back taper of thick lower point is presented in the bottom section of left protective plate and right protective plate, therefore water can be by reverse taper portion
Flowed down at tip, without going past being adsorbed onto after left protective plate and right protective plate on transmission line of electricity again, further prevent water loading and exist
Freeze the possibility of attachment on transmission line of electricity.
There is certain corrosivity, installation site after melting by larger current, anti-freezing agent regularly in transmission line of electricity
Also require the protective device of transmission line of electricity that there is higher intensity exposed to outdoor.Semi-circular tube, left protective plate and right protective plate are equal
It is made of tempered glass, it is good insulation preformance, corrosion-resistant and there is higher intensity, it is very suitable for Anti-icing of Transmission Lines use.
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.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the utility model；
Fig. 2 is axial raised schematic cross-section；
Fig. 3 is the structure diagram 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 card slot 12 coincide, and do not indicate individually in Fig. 1
The position of upper anti-icing card slot 12.
Embodiment
As shown in Figures 1 to 4, it is in semicircle that the anti-icing transmission line of electricity of the passive-type of the utility model, which includes elastic webbing 1 and section,
The semi-circular tube 2 of the tempered glass of shape, the internal diameter of the semi-circular tube 2 are adapted with the outside diameter of transmission line of electricity 3；Semi-circular tube 2 be open to
Under cover at 3 top of transmission line of electricity and semi-circular tube 2 the axis of axis and transmission line of electricity 3 coincide；
2 liang of bases of semi-circular tube are respectively diagonally downward to the left protective plate 4 and tempered glass system for being externally connected with tempered glass
Right protective plate 5, the inner surface of left protective plate 4 is equipped with left link 6, and the inner surface of right protective plate 5 is equipped with right link 7, bullet
Property band 1 both 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 extension
On ring 7, the length under 1 diastole state of elastic webbing is less than the air line distance between left link 6 and right link 7, so that elastic webbing 1
It can be stretched when pushing down 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 protection
Plate 4 and right protective plate 5 form de-icer boot；
Radially protrusion has some axial projections 10 and radial protrusion 11, axial projection 10 and footpath to the semi-circular tube 2
Some anti-icing card slots 12 are surrounded to protrusion 11, upper anti-icing card slot 12 is uniformly distributed on the outer surface of semi-circular tube 2, upper anti-icing card
Anti-freezing agent block is arranged with groove 12；
On the left protective plate 4 and right protective plate 5 respectively to be externally provided with it is some under anti-icing card slot 13, under anti-icing card slot 13 exist
Be uniformly distributed on the outer surface of left protective plate 4 and right protective plate 5, under be arranged with anti-freezing agent block in anti-icing card slot 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 card slot 12 be respectively equipped with radial protrusion 11 connect two it is adjacent on
The permeable through hole 14 of anti-icing card slot 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.
Using the anti-icing transmission line of electricity 3 of the passive-type of the utility model, 3 body of transmission line of electricity is covered by de-icer boot, in the winter time
When running into sleety weather, rain or snow can only fall on de-icer boot.Upper anti-icing card slot 12 on de-icer boot is with in anti-icing card slot 13
Block the anti-freezing agent block set to contact with sleet, the solidification point of water reduces（Subzero 20 DEG C or so would generally be reduced to）.Due to for ice
For snow, actually the process melted and solidified constantly occurs for its surface, because melting equal with the speed solidified（Melt
Speed is not above the speed of solidification）, therefore general performance is solid-state.In this way, after solidification point declines, the speed of ice dissolution is just
The speed of solidification can be exceeded, even if what is contacted with anti-freezing agent block is solid ice and snow, it also can gradually melt, and melt the water of part
When flowing downward along de-icer boot, solid portion thereon can be driven to come off in the lump, so that ice and snow can not adhere to, accumulate anti-
On ice cover, actively anti-icing effect is played.
Certainly, temperature extreme low temperature, after the solidification point less than anti-icing agent solution, the utility model also can be ineffective.But
China overwhelming majority area is 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 utility model is prevented using in long period, each anti-icing card slot 12
After ice agent has consumed, permeable through hole 14 will expose.Permeable through hole 14 can balance the amount of anti-freezing agent in each anti-icing card slot,
Consume when having water in less anti-icing card slot, the water dissolved with a certain amount of anti-freezing agent at this can be entered anti-icing by permeable through hole 14
Agent is consumed in more anti-icing card slot so that the consumption of the anti-freezing agent in each anti-icing card slot 12 tends to be balanced.Due to a left side
Protective 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 4 He of left protective plate
The gradient of right protective plate 5 is larger, and ice and snow is difficult to adhere on it, and water can then run through left protective plate 4 and right protective plate 5 and drip
Fall, thus under the depletion rate of anti-freezing agent block in anti-icing card slot 13 be significantly smaller than disappearing for anti-freezing agent block in anti-icing card slot 12
Speed is consumed, the consumption of anti-freezing agent everywhere is balanced without permeable through hole 14 is set on the cell wall of anti-icing card slot 13 under.
In short, using the anti-icing transmission line of electricity 3 of passive-type of the utility model, ice and snow can be made not adhere to, accumulated anti-
On ice cover, actively anti-icing effect is played, carries out anti-ice operation compared to established icing layer can only be directed in the past, this practicality is new
Type need not set out outdoor carry out deicing operation of the manpower and materials in cold in ice and snow weather, manpower and materials be greatly saved, into one
Step has prevented the blocked up harm brought of icing.The utility model can be acted voluntarily after installing, and ice-covering-proof process is automatic
Carry out, and ice-covering-proof process, without power, consumed energy, not compared with the past to have saved the energy consumed during deicing（Electric energy and
Mechanical energy）.
Above example is only to illustrative and not limiting the technical solution of the utility model, although with reference to above-described embodiment pair
The utility model is described in detail, it will be understood by those of ordinary skill in the art that：Still can to the utility model into
Row modification or equivalent substitution, without departing from any modification or partial replacement of the spirit and scope of the utility model, it should all
Cover among the right of the utility model.
Claims (5)
1. the anti-icing transmission line of electricity of passive-type, it is characterised in that：Half of tempered glass including elastic webbing and section semicircular in shape
Pipe, the internal diameter of the semi-circular tube are adapted with the outside diameter 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；
Prevent diagonally downward to the right side of the left protective plate and tempered glass that are externally connected with tempered glass respectively on two base of semi-circular tube
Backplate, the inner surface of left protective plate are equipped with left link, and the inner surface of right protective plate is equipped with right link, the both ends point of elastic webbing
It left She You not link up with and right hook, left hook are hooked on left link, 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 protrusion has some axial projections and radial protrusion to the semi-circular tube, if axial projection and radial protrusion surround
Dry anti-icing card slot, upper anti-icing card slot are uniformly distributed on the outer surface of semi-circular tube, and anti-freezing agent block is arranged with upper anti-icing card slot；
On the left protective plate and right protective plate respectively to be externally provided with it is some under anti-icing card slot, under anti-icing card slot 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 card slot.
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 card slot with the permeable through hole that connects two adjacent anti-icing card slots 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011979.8U CN207339202U (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 |
|---|---|---|---|
| CN201721011979.8U CN207339202U (en) | 2017-08-14 | 2017-08-14 | The anti-icing transmission line of electricity of passive-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339202U true CN207339202U (en) | 2018-05-08 |
Family
ID=62373285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721011979.8U Withdrawn - After Issue CN207339202U (en) | 2017-08-14 | 2017-08-14 | The anti-icing transmission line of electricity of passive-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339202U (en) |
-
2017
- 2017-08-14 CN CN201721011979.8U patent/CN207339202U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180508 Effective date of abandoning: 20190125 |
|
| AV01 | Patent right actively abandoned |