CN208607978U - Plate-shaped suspension type insulator - Google Patents
Plate-shaped suspension type insulator Download PDFInfo
- Publication number
- CN208607978U CN208607978U CN201820758286.3U CN201820758286U CN208607978U CN 208607978 U CN208607978 U CN 208607978U CN 201820758286 U CN201820758286 U CN 201820758286U CN 208607978 U CN208607978 U CN 208607978U
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- China
- Prior art keywords
- pollution layer
- pollution
- full skirt
- suspension type
- plate
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- 239000012212 insulator Substances 0.000 title claims abstract description 47
- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 230000003247 decreasing effect Effects 0.000 claims abstract description 10
- 239000011368 organic material Substances 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000010891 electric arc Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003373 anti-fouling effect Effects 0.000 description 5
- 101100173542 Caenorhabditis elegans fer-1 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- UJHBVMHOBZBWMX-UHFFFAOYSA-N ferrostatin-1 Chemical compound NC1=CC(C(=O)OCC)=CC=C1NC1CCCCC1 UJHBVMHOBZBWMX-UHFFFAOYSA-N 0.000 description 4
- 238000000866 electrolytic etching Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model belongs to transmission line of electricity technical field, in particular to a kind of plate-shaped suspension type insulator.The insulator includes the chapeau de fer, full skirt and steel feet coaxially and vertically set gradually, chapeau de fer is sleeved on the head of full skirt, steel feet is embedded in full skirt, insulator further includes the first anti-pollution layer, first anti-pollution layer is covered on the outside of the lower eaves of chapeau de fer, first anti-pollution layer is gradually decreased to the height at its edge from the center, and the first anti-smooth setting in pollution layer upper surface, there is gap, the first anti-pollution layer lower surface is arranged at intervals with the first convex block and the first groove on the outside of the lower eaves of first anti-pollution layer lower surface and chapeau de fer.The utility model not only increases the degree of difficulty that filthy substance deposits on its surface, to reduce pollution level；The elongation and development of electric arc can also be prevented, a possibility that generating leakage current and pollution flashover is reduced, effectively to limit pollution flashover generation, and improves dielectric level.
Description
Technical field
The utility model belongs to transmission line of electricity technical field, in particular to a kind of plate-shaped suspension type insulator.
Background technique
China has a vast territory, and direct current transportation mode can realize that most optimum distribution of resources in larger scope plays for China
Unique important function.
Important equipment of the plate-shaped suspension type insulator as transmission line of electricity, the operating experience with many years are pacified for transmission line of electricity
Row for the national games provides reliable guarantee.In extra-high voltage direct-current transmission engineering, since the pollution layer of insulator surface has hydrophily,
Meeting so that insulator surface pollution layer moisture-sensitive, cause insulator to be likely to occur pollution flashover under operating voltage.Operation
Empirical evidence: filthy level is the deciding factor of domestic and international super-pressure and extra high voltage line external insulation ability, and large area is filthy
Flashover be easy to cause power grid multiple spot while tripping, and is one of chief threat of electric power netting safe running, caused by China's pollution flashover
Loss be 10 times of lightning fault rate or more.Currently, how to improve the antifouling work ability of plate-shaped suspension type insulator, have become
The big problem faced in domestic and international extra-high voltage direct-current transmission engineering.
In the prior art, the solution of antifouling work is mainly by periodically clean to reduce filthy journey to insulator
Degree.This scheme generally requires power failure cleaning, expends a large amount of manpower and material resources, the cleaning time is not easy to determine, and is difficult to clean dry
Only, instead there is a possibility that filthy distribution is more more uniform than original, so as to cause dielectric level reduction.
Utility model content
Aiming at the problems existing in the prior art, the utility model provides a kind of disk that effectively limitation pollution flashover generates
Type suspension insulator.
The technical solution of the utility model are as follows:
A kind of plate-shaped suspension type insulator, the insulator include the chapeau de fer coaxially and vertically set gradually, full skirt and
Steel feet, the chapeau de fer are sleeved on the head of the full skirt, and the steel feet is embedded in the full skirt, which is characterized in that described exhausted
Edge further includes the first anti-pollution layer, and the first anti-pollution layer is covered on the outside of the lower eaves of the chapeau de fer, and described first is antifouling
Dirty layer is gradually decreased to the height at its edge from the center, and the first anti-smooth setting in pollution layer upper surface, and described first
There is gap, the first anti-pollution layer lower surface is arranged at intervals with the on the outside of the lower eaves of anti-pollution layer lower surface and the chapeau de fer
One convex block and the first groove.
Preferably, first convex block is in cord shape.
Preferably, first groove is circle.
Preferably, the described first anti-pollution layer is made of organic material.
Further, the insulator further includes the second anti-pollution layer, and the second anti-pollution layer is arranged in the steel feet
Between the full skirt, the second anti-pollution layer is gradually decreased to the height at its edge from the center, and described second antifouling
The described second anti-pollution layer upper surface in the gap between the prominent steel feet of dirty layer and the full skirt, the prominent gap is smooth
Setting.
Preferably, the described second anti-pollution layer is made of organic material.
Further, the full skirt is provided with more than one sub- full skirt along its axial direction；The insulator further includes third
Anti- pollution layer, is provided with the anti-pollution layer of the third between the adjacent sub- full skirt, the second anti-pollution layer from its
Middle part is gradually decreased to the height at its edge, and the upper and lower surface of the anti-pollution layer of the third and the adjacent sub- full skirt
Between have gap, the anti-smooth setting in pollution layer upper surface of third, the anti-pollution layer lower surface of third is arranged at intervals with
Second convex block and the second groove.
Preferably, second convex block is in cord shape.
Preferably, second groove is circle.
Preferably, the anti-pollution layer of the third is made of organic material.
The beneficial effects of the utility model include at least:
A kind of plate-shaped suspension type insulator of the utility model, due to being provided with the first anti-filth on the outside of the lower eaves of chapeau de fer
Layer, and since the first anti-pollution layer is gradually decreased to the height at its edge from the center, the first anti-pollution layer upper surface is smooth to be set
It sets, to increase the natural cleaning ability to rainwater, correspondingly also increases the degree of difficulty that filthy substance deposits on its surface, with
Reduce pollution level；In addition, due to having gap, and the first anti-filth on the outside of the lower eaves of the first anti-pollution layer lower surface and chapeau de fer
Layer lower surface is arranged at intervals with the first convex block and the first groove, can prevent the elongation and development of electric arc, reduces and generates leakage electricity
A possibility that stream and pollution flashover, effectively to limit pollution flashover generation, and improves dielectric level.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of plate-shaped suspension type insulator of the utility model embodiment；
Fig. 2 is the structural schematic diagram of another plate-shaped suspension type insulator of the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
Fig. 1 is a kind of structural schematic diagram of plate-shaped suspension type insulator of the utility model embodiment.Referring to Fig. 1, this is practical
A kind of plate-shaped suspension type insulator of new embodiment comprising chapeau de fer 1, full skirt 2 and the steel coaxially and vertically set gradually
Foot 3, chapeau de fer 1 are sleeved on the head of full skirt 2, and steel feet 3 is embedded in full skirt 2, and three can be real by a coaxial screw rod 8
Now fasten.
In conjunction with Fig. 1, the insulator of the utility model embodiment further includes the first anti-pollution layer 4, and the first anti-pollution layer 4 is arranged
On the outside of the lower eaves of chapeau de fer 1, and the first anti-pollution layer 4 is gradually decreased to the height at its edge from the center, the first anti-pollution layer 4
There is gap, the first anti-4 following table of pollution layer on the outside of the lower eaves of the smooth setting in upper surface, the first anti-4 lower surface of pollution layer and chapeau de fer 1
Face interval is provided with the first convex block 41 and the first groove 42.
A kind of plate-shaped suspension type insulator of the utility model embodiment, it is anti-due to being provided with first on the outside of the lower eaves of chapeau de fer
Pollution layer, and since the first anti-pollution layer is gradually decreased to the height at its edge from the center, the first anti-pollution layer upper surface light
Sliding setting correspondingly also increases the difficult journey that filthy substance deposits on its surface to increase the natural cleaning ability to rainwater
Degree, to reduce pollution level；In addition, due to having gap, and first on the outside of the lower eaves of the first anti-pollution layer lower surface and chapeau de fer
Anti- pollution layer lower surface is arranged at intervals with the first convex block and the first groove, can prevent the elongation and development of electric arc, reduces and generates
A possibility that leakage current and pollution flashover, effectively to limit pollution flashover generation, and improves dielectric level.
Preferably, first convex block 41 of the utility model embodiment can be in cord shape, and the first groove 42 can be circle
Shape, certainly, the two may be other shapes, for example, the first groove of block-like first convex block and ellipse, this is practical new
Type embodiment to this with no restriction.
In the prior art, the solution of antifouling work uses Silicone Rubber Based Coatings there are also a kind of, and the purpose is to by insulator
The hydrophily on surface changes into hydrophobicity.But anti-pollution flashover coating is the product of site operation, exist be not easy to guarantee quality,
The problems such as material and manpower consumption are big, price is high, therefore can only be as a kind of provisional and remedial measure.
To solve the above-mentioned problems, the first of the utility model embodiment the anti-pollution layer 4 can be made of organic material, adopt
The first anti-pollution layer 4 made of organic material has hydrophobicity, and the leakage current of insulator surface pollution layer can be made greatly to subtract
It is few, and again due to increasing creepage distance, so that leakage current is further reduced, effectively limit the generation of electrolytic etching.
In addition, the first anti-pollution layer 4 can be when with the production of original insulator, synchronous production, to avoid site operation
The problem of bringing.
In conjunction with Fig. 1, in the utility model embodiment, insulator can also include the second anti-pollution layer 5, the second anti-pollution layer
5 are arranged between steel feet 3 and full skirt 2, and the second anti-pollution layer 5 is gradually decreased to the height at its edge from the center, and second is anti-
Gap between the prominent steel feet 3 of pollution layer 5 and full skirt 2, the second smooth setting in anti-5 upper surface of pollution layer in prominent gap, in this way,
The natural cleaning ability to rainwater can be increased, and filthy substance is made to be difficult to deposit on its surface.
Preferably, the second of the utility model embodiment the anti-pollution layer 5 or organic material are made, using organic material
Expect made of the second anti-pollution layer 5 have hydrophobicity, the leakage current of insulator surface pollution layer can be made to be greatly reduced, and again by
In increasing creepage distance, so that leakage current is further reduced, the generation of electrolytic etching is effectively limited.
In addition, the second anti-pollution layer 5 can be when with the production of original insulator, synchronous production, to avoid site operation
The problem of bringing.
Embodiment two:
Fig. 2 is the structural schematic diagram of another plate-shaped suspension type insulator of the utility model embodiment.In conjunction with Fig. 2, the reality
Example is applied second is that further improvement to embodiment one, specifically: full skirt 2 is provided with more than one sub- full skirt 6 along its axial direction；Absolutely
Edge further includes the anti-pollution layer 7 of third, is provided with the anti-pollution layer 7 of third between adjacent sub- full skirt 6, the anti-pollution layer 7 of third from
Its middle part is gradually decreased to the height at its edge, and is had between the upper and lower surface and adjacent sub- full skirt 6 of the anti-pollution layer 7 of third
Gap, the anti-smooth setting in 7 upper surface of pollution layer of third, anti-7 lower surface of pollution layer of third are arranged at intervals with the second convex block 71 and
Two grooves 72.
The utility model embodiment between adjacent sub- full skirt due to being provided with the anti-pollution layer of third, the anti-pollution layer of third
It gradually decreases to the height at its edge, and has between the upper and lower surface of the anti-pollution layer of third and adjacent sub- full skirt from the center
Gap, the anti-smooth setting in pollution layer upper surface of third, in this way, can increase the natural cleaning ability to rainwater, and makes dirt
Dirty things matter is difficult to deposit on its surface.
In addition, electric arc can be prevented since the anti-pollution layer lower surface of third is arranged at intervals with the second convex block and the second groove
Elongation and development, reduce and generate leakage current and a possibility that pollution flashover, effectively to limit pollution flashover generation, and improve
Dielectric level.
Preferably, second convex block 71 of the utility model embodiment can be in cord shape, and the second groove 72 can be circle
Shape, certainly, the two may be other shapes, for example, the second groove of block-like second convex block and ellipse, this is practical new
Type embodiment to this with no restriction.
Preferably, the anti-pollution layer 7 of the third of the utility model embodiment or organic material are made, using organic material
Expect made of the second anti-pollution layer 7 have hydrophobicity, the leakage current of insulator surface pollution layer can be made to be greatly reduced, and again by
In increasing creepage distance, so that leakage current is further reduced, the generation of electrolytic etching is effectively limited.
In addition, the anti-pollution layer 7 of third can be when with the production of original insulator, synchronous production, to avoid site operation
The problem of bringing.
The organic material of the utility model embodiment can be high-temperature silicon disulfide rubber, ethylene propylene diene rubber and hydrophobicity
Epoxy resin.
Anti- pollution layer is made using organic material to be in the air near high-field electrode because the disruptive field intensity of air and
Dielectric constant is more much smaller than solid material, so shelf depreciation can be generated near high-field electrode.And due to electric at electrode
The high dielectric constant of media units improves the high electric field of high-field electrode attachment, improves the dielectric strength near the electrode.
Embodiment provided above is the better embodiment of the utility model, only is used to facilitate to illustrate the utility model, and
It is non-to impose any limitation on the present invention, have usually intellectual in any technical field, if not departing from
In the range of the mentioned technical characteristic of the utility model, locally changes or repair using made by the utility model disclosed technology content
The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic
In the range of.
Claims (10)
1. a kind of plate-shaped suspension type insulator, the insulator includes the chapeau de fer (1) coaxially and vertically set gradually, full skirt (2)
And steel feet (3), the chapeau de fer (1) are sleeved on the head of the full skirt (2), the steel feet (3) is embedded in the full skirt (2)
In, which is characterized in that the insulator further includes the first anti-pollution layer (4), and the first anti-pollution layer (4) is arranged in the iron
On the outside of the lower eaves of cap (1), and the first anti-pollution layer (4) gradually decreases to the height at its edge from the center, and described first
Tool on the outside of the lower eaves of the smooth setting in anti-pollution layer (4) upper surface, first anti-pollution layer (4) lower surface and the chapeau de fer (1)
There is gap, first anti-pollution layer (4) lower surface is arranged at intervals with the first convex block (41) and the first groove (42).
2. plate-shaped suspension type insulator according to claim 1, which is characterized in that first convex block (41) is in cord shape.
3. plate-shaped suspension type insulator according to claim 1, which is characterized in that first groove (42) is circle.
4. plate-shaped suspension type insulator according to claim 1, which is characterized in that the first anti-pollution layer (4) is organic
Material is made.
5. plate-shaped suspension type insulator according to claim 1, which is characterized in that the insulator further includes the second anti-filth
Layer (5), the second anti-pollution layer (5) are arranged between the steel feet (3) and the full skirt (2), the second anti-pollution layer
(5) it is gradually decreased from the center to the height at its edge, and the prominent steel feet (3) of the second anti-pollution layer (5) and described
Gap between full skirt (2), the described second smooth setting in anti-pollution layer (5) upper surface in the prominent gap.
6. plate-shaped suspension type insulator according to claim 5, which is characterized in that the second anti-pollution layer (5) is organic
Material is made.
7. plate-shaped suspension type insulator according to claim 1-6, which is characterized in that the full skirt (2) is along its axis
To being provided with more than one sub- full skirt (6)；The insulator further includes the anti-pollution layer of third (7), the adjacent son
The anti-pollution layer of the third (7) is provided between full skirt (6), the anti-pollution layer of third (7) is from the center to the height at its edge
Degree gradually decreases, and has sky between the upper and lower surface of the anti-pollution layer of the third (7) and the adjacent sub- full skirt (6)
Gap, the smooth setting in the anti-pollution layer of third (7) upper surface, the anti-pollution layer of third (7) lower surface are arranged at intervals with second
Convex block (71) and the second groove (72).
8. plate-shaped suspension type insulator according to claim 7, which is characterized in that second convex block (71) is in cord shape.
9. plate-shaped suspension type insulator according to claim 7, which is characterized in that second groove (72) is circle.
10. plate-shaped suspension type insulator according to claim 9, which is characterized in that the anti-pollution layer of third (7) is organic
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820758286.3U CN208607978U (en) | 2018-05-21 | 2018-05-21 | Plate-shaped suspension type insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820758286.3U CN208607978U (en) | 2018-05-21 | 2018-05-21 | Plate-shaped suspension type insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208607978U true CN208607978U (en) | 2019-03-15 |
Family
ID=65661664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820758286.3U Active CN208607978U (en) | 2018-05-21 | 2018-05-21 | Plate-shaped suspension type insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208607978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735400A (en) * | 2018-05-21 | 2018-11-02 | 国家电网公司 | Plate-shaped suspension type insulator |
-
2018
- 2018-05-21 CN CN201820758286.3U patent/CN208607978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735400A (en) * | 2018-05-21 | 2018-11-02 | 国家电网公司 | Plate-shaped suspension type insulator |
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