CN110323014A - A kind of ultra-high-voltage post insulator beveled structure dodging characteristic based on dirty rain - Google Patents
A kind of ultra-high-voltage post insulator beveled structure dodging characteristic based on dirty rain Download PDFInfo
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- CN110323014A CN110323014A CN201910696099.6A CN201910696099A CN110323014A CN 110323014 A CN110323014 A CN 110323014A CN 201910696099 A CN201910696099 A CN 201910696099A CN 110323014 A CN110323014 A CN 110323014A
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- Prior art keywords
- insulating bar
- ring
- insulation canopy
- ring cowling
- ultra
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/145—Insulators, poles, handles, or the like in electric fences
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/16—Fastening of insulators to support, to conductor, or to adjoining insulator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/50—Insulators or insulating bodies characterised by their form with surfaces specially treated for preserving insulating properties, e.g. for protection against moisture, dirt, or the like
Abstract
The invention discloses a kind of ultra-high-voltage post insulator beveled structures that characteristic is dodged based on dirty rain, including insulating bar and several insulated umbrella groups being located on insulating bar, insulated umbrella group is in be equally spaced on insulating bar, insulated umbrella group includes upper insulation canopy and lower insulation canopy, lower insulation canopy is located at the lower section of upper insulation canopy, upper insulation canopy includes the first ring cowling, second ring cowling and third ring cowling, the inner ring surface of second ring cowling is set in the outer ring surface of the first ring cowling, the outer ring surface of second ring cowling is arranged with third ring cowling, the both ends of insulating bar are embedded with attachment base, the upper end end of attachment base corresponding to insulating bar upper end is welded with mounting base, the lower end of attachment base corresponding to insulating bar lower end is welded with connector.The present invention during use can effective lift columns insulator dirt rain lightning voltage levels, avoid the occurrence of dirty rain and flash as being advantageously implemented the safe handling of support insulator beveled structure and its other high voltage electric equipments connected.
Description
Technical field
The present invention relates to insulator technology field more particularly to a kind of ultra-high-voltage post insulators that characteristic is dodged based on dirty rain
Beveled structure.
Background technique
In extra-high voltage grid, the use of support insulator be it is indispensable, support insulator is during use
The problem of there is the sudden strains of a muscle of dirty rain, is mainly that insulator cluster parachute surface can be attached with dust for the dirty rain elephant that flashes, adjoint
The rainfall of weather, insulator can be made to cause electric discharge phenomena because of the raindrop of dirty rain, the humidity on surface and elongation, putting at this time
Electrical phenomena is that dirty rain dodges, and flashes the generation of elephant, can be connected to entire support insulator and support insulator along with dirty rain
Other electrical equipments generate harm.For this purpose, we have proposed a kind of ultra-high-voltage post insulator umbrellas for dodging characteristic based on dirty rain
Shape structure.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed is based on dirty rain and dodges characteristic
Ultra-high-voltage post insulator beveled structure.
To achieve the goals above, present invention employs following technical solutions:
A kind of ultra-high-voltage post insulator beveled structure dodging characteristic based on dirty rain, including insulating bar and be located on insulating bar
Several insulated umbrella groups, the insulated umbrella group on insulating bar in being equally spaced, the insulated umbrella group include upper insulation canopy with
Lower insulation canopy, the lower insulation canopy are located at the lower section of upper insulation canopy, and the upper insulation canopy includes the first ring cowling, second
Ring cowling and third ring cowling are connected between the inner ring surface and the outer surface of insulating bar of first ring cowling, the lower insulation canopy
Inner ring surface and the outer surface of insulating bar between be connected, the inner ring surface of second ring cowling is set in the outer ring of the first ring cowling
Face, the outer ring surface of second ring cowling are arranged with third ring cowling, and the both ends of the insulating bar are embedded with attachment base, the insulation
The upper end end of attachment base corresponding to bar upper end is welded with mounting base, the lower end of attachment base corresponding to the insulating bar lower end
End is welded with connector.
Preferably, the outer ring surface of second ring cowling extends to the outside of the outer ring surface of lower insulation canopy.
Preferably, the section of the third ring cowling is in J-type.
Preferably, the line phase in the insulated umbrella group between the outer ring surface of third ring cowling and the outer ring surface of lower insulation canopy
Center line to insulating bar is in 45 degree of angle.
Preferably, the distance of the vertical connecting line between the upper insulation canopy between the adjacent two insulated umbrella groups is
120 millimeters, the upper insulation canopy of the insulated umbrella group is 40 millimeters at a distance from the vertical connecting line between lower insulation canopy.
Preferably, one end end face that the attachment base is located inside insulating bar is welded with enhancing head, and the enhancing head is in rain
Drop-wise, described enhancing head upper surface lesser one end of area are connected with the end face of attachment base.
Preferably, the outer ring surface of the mounting base upper end is arranged with mounting ring, offers in the mounting ring several uniform
The mounting hole of distribution, the upper surface of the mounting ring and the upper surface flush of mounting base.
Preferably, the lower end surface of the connector offers link slot, and the company of state in a vertical shape is equipped in the link slot
Lug, the upper end of the engaging lug are welded on the head body of connector corresponding to link slot inside center.
A kind of ultra-high-voltage post insulator beveled structure being dodged characteristic based on dirty rain proposed by the present invention, beneficial effect are existed
In: for this programme during installing and using, mounting base is in top, and connector is below, when entire support insulator umbrella
When shape structure is in the rainy day, 45 degree of raindrop, the third ring in the insulated umbrella group in top are more than or less than for inclination angle
The setting of lid can be avoided raindrop drop to lower section insulated umbrella group upper insulation canopy the first ring cowling on, in conjunction with being below
Insulated umbrella group upper insulation canopy the first ring cowling and the distance between the lower insulation canopy in the insulated umbrella group in top
It is 80 millimeters, therefore can be avoided the lower insulation canopy in insulated umbrella group and be infected with rainwater in the rainy day, and then lower insulation canopy is made to exist
Dry state can still be presented when the rainy day；It, can be in weight for the rainwater for the upper insulated umbrella cap surface for falling in insulated umbrella group
It is discharged under the action of power from the third ring cowling edge of upper insulation canopy, the section in conjunction with third ring cowling is in J-type, therefore de- in rainwater
When edge from third ring cowling, there is raindrop elongation in the edge that parabolical form can be presented, and then avoid third ring cowling
The phenomenon that, and the edge distance of the third ring cowling of the upper insulation canopy between the adjacent insulated umbrella group of combination is 100 millimeters, therefore energy
It enough avoids generating disruptive discharge phenomenon between neighbouring third ring cowling, i.e., entire support insulator beveled structure is using
During can be avoided the dirty rain of appearance flash as, be advantageously implemented support insulator beveled structure and its connected other are high
The safe handling of voltage electrical equipment.
Detailed description of the invention
Fig. 1 is a kind of section view of ultra-high-voltage post insulator beveled structure that characteristic is dodged based on dirty rain proposed by the present invention
Figure；
Fig. 2 is a kind of main view of ultra-high-voltage post insulator beveled structure that characteristic is dodged based on dirty rain proposed by the present invention
Figure；
Fig. 3 is a kind of mounting base of ultra-high-voltage post insulator beveled structure that characteristic is dodged based on dirty rain proposed by the present invention
Top view；
Fig. 4 is a kind of connector of ultra-high-voltage post insulator beveled structure that characteristic is dodged based on dirty rain proposed by the present invention
Bottom view.
In figure: insulated umbrella group 1, upper insulation canopy 2, the first ring cowling 201, the second ring cowling 202, third ring cowling 203, lower insulation
Canopy 3, insulating bar 4, attachment base 5, enhancing head 6, mounting base 7, mounting ring 8, mounting hole 9, connector 10, link slot 11, connection
Ear 12.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of ultra-high-voltage post insulator beveled structure dodging characteristic based on dirty rain, including 4 He of insulating bar
Several insulated umbrella groups 1 being located on insulating bar 4, for insulated umbrella group 1 in being equally spaced on insulating bar 4, insulated umbrella group 1 includes upper exhausted
Edge canopy 2 and lower insulation canopy 3, lower insulation canopy 3 are located at the lower section of upper insulation canopy 2, and upper insulation canopy 2 includes the first ring cowling
201, the second ring cowling 202 and third ring cowling 203 are connected between the inner ring surface and the outer surface of insulating bar 4 of first ring cowling 201,
It is connected between the inner ring surface and the outer surface of insulating bar 4 of lower insulation canopy 3, the inner ring surface of the second ring cowling 202 is set in first
The outer ring surface of ring cowling 201, the outer ring surface of the second ring cowling 202 are arranged with third ring cowling 203, the both ends of the insulating bar 4 company of being embedded with
The upper end end of joint chair 5, attachment base 5 corresponding to 4 upper end of insulating bar is welded with mounting base 7, company corresponding to 4 lower end of insulating bar
The lower end of joint chair 5 is welded with connector 10.
The outer ring surface of second ring cowling 202 extends to the outside of the outer ring surface of lower insulation canopy 3, the section of third ring cowling 203
Line opposing insulation bar in J-type, in insulated umbrella group 1 between the outer ring surface of third ring cowling 203 and the outer ring surface of lower insulation canopy 3
4 center line is in 45 degree of angle, is between the first ring cowling 201, the second ring cowling 202, third ring cowling 203 and insulating bar 4
Unitary design.
The distance of the vertical connecting line between upper insulation canopy 2 between two adjacent insulated umbrella groups 1 is 120 millimeters, absolutely
The upper insulation canopy 2 of edge umbrella group 1 is 40 millimeters at a distance from the vertical connecting line between lower insulation canopy 3, is now in lower section
Insulated umbrella group 1 the first ring cowling 201 of upper insulation canopy 2 and the insulated umbrella group 1 in top on lower insulation canopy 3 between
Distance be 80 millimeters.
One end end face that attachment base 5 is located inside insulating bar 4 is welded with enhancing head 6, and enhancing head 6 is in raindrop shape, enhances head 6
Area lesser one end in upper surface is connected with the end face of attachment base 5, and enhancing head 6 can enhance inside attachment base 5 and insulating bar 4
Between bonding strength, avoid being detached between attachment base 5 and insulating bar 4.
The outer ring surface of 7 upper end of mounting base is arranged with mounting ring 8, and several equally distributed mounting holes are offered in mounting ring 8
9, the upper surface flush of the upper surface of mounting ring 8 and mounting base 7；The lower end surface of connector 10 offers link slot 11, connection
The engaging lug 12 of state in a vertical shape is equipped in slot 11, the upper end of engaging lug 12 is welded on company corresponding to 11 inside center of link slot
On the head body of connector 10, for support insulator beveled structure during installing and using, mounting base 7 is in top, entire pillar
Insulator beveled structure can be attached by the mounting hole 9 in mounting ring 8 with external structure；Connector 10 is below,
It can be realized and being connected between cable by the engaging lug 12 in link slot 11 at this time.
In summary: for the present invention during installing and using, mounting base 7 is in top, and connector 6 is below, when
When entire support insulator beveled structure is in the rainy day, 45 degree of raindrop are more than or less than for inclination angle, in the exhausted of top
The setting of third ring cowling 203 in edge umbrella group 1 can be avoided the upper insulation canopy 2 that raindrop drop to the insulated umbrella group 1 of lower section
On first ring cowling 201, in conjunction with the insulated umbrella group 1 being below upper insulation canopy 2 the first ring cowling 201 with it is exhausted in top
The distance between lower insulation canopy 3 in edge umbrella group 1 is 80 millimeters, therefore can be avoided the lower insulation canopy 3 in insulated umbrella group 1
It is infected with rainwater in the rainy day, and then makes lower insulation canopy 3 that dry state can still be presented in the rainy day；For falling in insulated umbrella
The rainwater on upper 2 surface of insulation canopy of group 1 can be arranged from 203 edge of third ring cowling of upper insulation canopy 2 under gravity
Out, it is in J-type in conjunction with the section of third ring cowling 203, therefore when rainwater is detached from the edge of third ring cowling 203, parabolic can be presented
The form of line, and then there is the phenomenon that raindrop elongation in the edge for avoiding third ring cowling 203, and combines adjacent insulated umbrella group 1
Between the edge distance of third ring cowling 203 of upper insulation canopy 2 be 100 millimeters, therefore can be avoided in neighbouring third
Disruptive discharge phenomenon is generated between ring cowling 203, i.e., entire support insulator beveled structure can be avoided out during use
Existing dirt rain flashes as the safety for being advantageously implemented support insulator beveled structure and its other high voltage electric equipments connected makes
With.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of ultra-high-voltage post insulator beveled structure that characteristic is dodged based on dirty rain, including insulating bar (4) and it is located at insulating bar
(4) several insulated umbrella groups (1) on, which is characterized in that the insulated umbrella group (1) is in be equally spaced on insulating bar (4), described
Insulated umbrella group (1) includes upper insulation canopy (2) and lower insulation canopy (3), and the lower insulation canopy (3) is located at upper insulation canopy
(2) lower section, the upper insulation canopy (2) include the first ring cowling (201), the second ring cowling (202) and third ring cowling (203), institute
It states and is connected between the inner ring surface of the first ring cowling (201) and the outer surface of insulating bar (4), the inner ring of lower insulation canopy (3)
It is connected between face and the outer surface of insulating bar (4), the inner ring surface of second ring cowling (202) is set in the first ring cowling (201)
Outer ring surface, the outer ring surface of second ring cowling (202) is arranged with third ring cowling (203), and the both ends of the insulating bar (4) are embedding
Enter to have attachment base (5), the upper end end of attachment base (5) corresponding to insulating bar (4) upper end is welded with mounting base (7), institute
The lower end for stating attachment base (5) corresponding to insulating bar (4) lower end is welded with connector (10).
2. a kind of ultra-high-voltage post insulator beveled structure for dodging characteristic based on dirty rain according to claim 1, feature
It is, the outer ring surface of second ring cowling (202) extends to the outside of the outer ring surface of lower insulation canopy (3).
3. a kind of ultra-high-voltage post insulator beveled structure for dodging characteristic based on dirty rain according to claim 1, feature
It is, the section of the third ring cowling (203) is in J-type.
4. a kind of ultra-high-voltage post insulator beveled structure for dodging characteristic based on dirty rain according to claim 1, feature
It is, the line on the insulated umbrella group (1) between the outer ring surface of third ring cowling (203) and the outer ring surface of lower insulation canopy (3)
The center line of opposing insulation bar (4) is in 45 degree of angle.
5. a kind of ultra-high-voltage post insulator beveled structure for dodging characteristic based on dirty rain according to claim 1, feature
It is, the distance of the vertical connecting line between upper insulation canopy (2) between the insulated umbrella group (1) of adjacent two is 120 millis
Rice, the upper insulation canopy (2) of the insulated umbrella group (1) are 40 millis at a distance from the vertical connecting line between lower insulation canopy (3)
Rice.
6. a kind of ultra-high-voltage post insulator beveled structure for dodging characteristic based on dirty rain according to claim 1, feature
It is, the attachment base (5) is located at the internal one end end face of insulating bar (4) and is welded with enhancing head (6), and the enhancing head (6) is in
Raindrop shape, described enhancing head (6) upper surface lesser one end of area are connected with the end face of attachment base (5).
7. a kind of ultra-high-voltage post insulator beveled structure for dodging characteristic based on dirty rain according to claim 1, feature
It is, the outer ring surface of mounting base (7) upper end is arranged with mounting ring (8), and several uniform points are offered on the mounting ring (8)
The mounting hole (9) of cloth, the upper surface of the mounting ring (8) and the upper surface flush of mounting base (7).
8. a kind of ultra-high-voltage post insulator beveled structure for dodging characteristic based on dirty rain according to claim 1, feature
It is, the lower end surface of the connector (10) offers link slot (11), equipped with state in a vertical shape in the link slot (11)
Engaging lug (12), the upper end of the engaging lug (12) are welded on the head of connector (10) corresponding to link slot (11) inside center
On body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696099.6A CN110323014A (en) | 2019-07-30 | 2019-07-30 | A kind of ultra-high-voltage post insulator beveled structure dodging characteristic based on dirty rain |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910696099.6A CN110323014A (en) | 2019-07-30 | 2019-07-30 | A kind of ultra-high-voltage post insulator beveled structure dodging characteristic based on dirty rain |
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| CN110323014A true CN110323014A (en) | 2019-10-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112560304A (en) * | 2020-12-02 | 2021-03-26 | 中国地质大学（北京） | Pillar insulator umbrella skirt micro-parameter design method based on rain flash characteristic |
-
2019
- 2019-07-30 CN CN201910696099.6A patent/CN110323014A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112560304A (en) * | 2020-12-02 | 2021-03-26 | 中国地质大学（北京） | Pillar insulator umbrella skirt micro-parameter design method based on rain flash characteristic |
| CN112560304B (en) * | 2020-12-02 | 2023-05-09 | 中国地质大学（北京） | Umbrella skirt micro-parameter design method for post insulator based on rain-flash characteristics |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210830 Address after: 100083 No. 29, Haidian District, Beijing, Xueyuan Road Applicant after: China University of Geosciences (Beijing) Applicant after: China Southern Power Grid Research Institute Co.,Ltd. Address before: 100083 No. 29, Haidian District, Beijing, Xueyuan Road Applicant before: China University of Geosciences (Beijing) Applicant before: CSG POWER GRID TECHNOLOGY RESEARCH CENTER |
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| SE01 | Entry into force of request for substantive examination |