CN110098583A - A kind of wall bushing and preparation method thereof - Google Patents
A kind of wall bushing and preparation method thereof Download PDFInfo
- Publication number
- CN110098583A CN110098583A CN201910397863.XA CN201910397863A CN110098583A CN 110098583 A CN110098583 A CN 110098583A CN 201910397863 A CN201910397863 A CN 201910397863A CN 110098583 A CN110098583 A CN 110098583A
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- CN
- China
- Prior art keywords
- conductive
- conduction region
- porcelain piece
- buckle
- wall bushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
-
- 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
- H01B17/56—Insulating bodies
- H01B17/64—Insulating bodies with conductive admixtures, inserts or layers
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Insulators (AREA)
Abstract
This application provides a kind of wall bushings and preparation method thereof, wherein the wall bushing includes: first end cover, busbar, second end cover, porcelain piece and flange；Further include: conductive coating, buckle and conductive spacer；The conductive coating is coated on the outer surface of the first conduction region and the second conduction region, the porcelain piece of first conduction region and second conduction region between the flange and neighbouring full skirt；The conductive spacer is attached on the outer surface of the conductive coating；The buckle is set to the outside of the conductive spacer, and the conductive spacer is anchored on to the outside of the conductive coating.Wall bushing provided herein can effectively solve the problem that the problem of existing wall bushing insulation effect difference.
Description
Technical field
This application involves electric system safety technique for using electricity fields more particularly to a kind of wall bushing and preparation method thereof.
Background technique
Wall bushing is the important composition component of high-tension switch cabinet, is widely used in electric system.Wall bushing is suitable
For in the power distribution equipment and High-Voltage Electrical Appliances of substation, and pass through as current-carrying part the insulation and branch of wall or other ground connection objects
It holds.
In recent years, a large amount of wall bushing failure problems have occurred in each grid company, wherein wall bushing is to discharge
The insulation fault of main forms accounts for the overwhelming majority of wall bushing failure, and consequence caused by insulation fault often compares
Seriously.As it can be seen that avoiding insulation fault is the key for guaranteeing wall bushing stable operation.The insulation fault of wall bushing is logical
Often since the semi-conducting glaze of porcelain piece outer surface in wall bushing is not caused with the earth equipotential, serious electric discharge can be generated
Phenomenon influences the normal operation of electric system.
Summary of the invention
This application provides a kind of wall bushings and preparation method thereof, to solve asking for existing wall bushing insulation effect difference
Topic.
In a first aspect, this application provides a kind of wall bushings, comprising: first end cover, busbar, second end cover, porcelain piece
And flange；The first end cover and the second end cover are respectively arranged at the both ends of the porcelain piece；The porcelain piece is in hollow structure,
And the busbar axially penetrates through the porcelain piece along the porcelain piece；The external vertical of the porcelain piece is set in the axis of the porcelain piece
There are several full skirts；The flange is additionally provided in the porcelain piece, the flange is set between two full skirts；Further include: it leads
Electrocoat, buckle and conductive spacer；
The conductive coating is coated on the outer surface of the first conduction region and the second conduction region, first conduction region and described
Porcelain piece of second conduction region between the flange and neighbouring full skirt；
The conductive spacer is attached on the outer surface of the conductive coating；
It is described to buckle the outside for being set to the conductive spacer, and the conductive spacer is anchored on the conductive coating
It is external.
Optionally, the number of the conductive spacer is 2；
The conductive spacer is arc-shaped, and using the axis of the porcelain piece as symmetry axis, is symmetrically disposed on the conductive coating
Outer surface on.
Optionally, described to buckle in a ring；
The buckle uses conductive material；
The buckle includes: main body, crimped end and tightening pin；
The main body is equipped with opening, and the crimped end is correspondingly arranged in the opening, the tightening sell be equipped in
In the crimped end.
Optionally, the conductive coating uses metallic paint or semiconductive varnish.
Optionally, the conductive spacer uses graphite material.
Second aspect, this application provides a kind of preparation methods of wall bushing, which comprises
Conductive material is sprayed in the first conduction region and the second conduction region, first conduction region and second conduction region are
Porcelain piece between flange and neighbouring full skirt；
The outside of conductive coating after spray coating is sticked conductive spacer；
In the external installing buckle of the conductive spacer, the conductive spacer is enabled to be tightly attached to the outside of the conductive coating；
The buckle is grounded.
By the above technology it is found that this application provides a kind of wall bushings and preparation method thereof, wherein the wall bushing
It include: first end cover, busbar, second end cover, porcelain piece and flange；The first end cover and the second end cover are respectively arranged at
The both ends of the porcelain piece；The porcelain piece is in hollow structure, and the busbar axially penetrates through the porcelain piece along the porcelain piece；Institute
The external vertical for stating porcelain piece is equipped with several full skirts in the axis of the porcelain piece；The flange, the method are additionally provided in the porcelain piece
Orchid is set between two full skirts；Further include: conductive coating, buckle and conductive spacer；The conductive coating is coated on the
The outer surface of one conduction region and the second conduction region, first conduction region and second conduction region are the flange and neighbouring
Porcelain piece between full skirt；The conductive spacer is attached on the outer surface of the conductive coating；The buckle is set to described lead
The outside of electrical pad piece, and the conductive spacer is anchored on to the outside of the conductive coating.In use, conductive coating is coated in the
On the outer surface of one conduction region and the second conduction region, the electric conductivity of the first conduction region and the second conduction region can be enhanced, thus will
The Leakage Current of wall bushing is guided to the first conduction region and the second conduction region.Meanwhile by being set to outside conductive coating
Buckle further guides Leakage Current to wall bushing ground connection greatly, is guaranteed, avoiding wall bushing and the earth, there are potential differences
And the problem of causing electric discharge.Meanwhile conductive spacer is added between buckle and the first conduction region and the second conduction region, it can increase
On the basis of strong first conduction region and the second conduction region are well contacted with buckle, the first conduction region and the second conduction region and card are protected
It will not be damaged mutually because of contact between button.As it can be seen that a kind of wall bushing provided herein can effectively solve the problem that
The problem of existing wall bushing insulation effect difference.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of wall bushing provided by the embodiments of the present application；
Fig. 2 is a kind of radial cross-section of wall bushing provided by the embodiments of the present application；
Fig. 3 is a kind of flow chart of wall bushing preparation method provided by the embodiments of the present application.
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
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 and Fig. 2.
A kind of wall bushing, comprising: first end cover 1, busbar 2, second end cover 3, porcelain piece 4 and flange 5；The first end
Lid 1 and the second end cover 3 are respectively arranged at the both ends of the porcelain piece 4；The porcelain piece 4 is in hollow structure, and the busbar 2
The porcelain piece 4 is axially penetrated through along the porcelain piece 4；The external vertical of the porcelain piece 4 is equipped with several umbrellas in the axis of the porcelain piece 4
Skirt 41；The flange 5 is additionally provided in the porcelain piece 4, the flange 5 is set between two full skirts 41；It is characterized in that,
Further include: conductive coating 44, buckle 45 and conductive spacer 46；
The conductive coating 44 is coated on the outer surface of the first conduction region 42 and the second conduction region 43, first conduction region
42 and porcelain piece 4 of second conduction region 43 between the flange 5 and neighbouring full skirt 41；
The conductive spacer 46 is attached on the outer surface of the conductive coating 44；
The buckle 45 is set to the outside of the conductive spacer 46, and the conductive spacer 46 is anchored on the conduction
The outside of coating 44.
In use, conductive coating 44 is coated on the outer surface of the first conduction region 42 and the second conduction region 43, can enhance
The electric conductivity of first conduction region 42 and the second conduction region 43, to guiding the Leakage Current of wall bushing to the first conduction region 42
With the second conduction region 43.Meanwhile the buckle 45 by being set to outside conductive coating 44, further Leakage Current is guided to big
Ground guarantees wall bushing ground connection, avoids the problem that wall bushing and the earth cause electric discharge there are potential difference.Meanwhile it buckling
45 and first add conductive spacer 46 between conduction region 42 and the second conduction region 43, can enhance the first conduction region 42 and second
On the basis of conduction region 43 is well contacted with buckle 45, protecting will not between the first conduction region 42 and the second conduction region 43 and buckle
It is damaged mutually because of contact.As it can be seen that a kind of wall bushing provided herein can effectively solve the problem that existing set through walls
The problem of pipe insulation effect difference.
Further, the number of the conductive spacer 46 is 2；
The conductive spacer 46 is arc-shaped, and using the axis of the porcelain piece 4 as symmetry axis, is symmetrically disposed on the conductive painting
On the outer surface of layer 44.
Conductive spacer 46 is arc-shaped, can be preferably bonded in the outside of conductive coating 44, it should be noted that conductive pad
The external dimensions of the size of piece 46 and the first conduction region 42 and the second conduction region 43 is adapted, only guaranteed conductive spacer 46 with lead
The good fit of electrocoat 44, can improve the guiding function to Leakage Current, at the same will not because of conductive spacer 46 with
Existing gap between conductive coating 44, and cause the danger such as short circuit.
Meanwhile the quantity of conductive spacer 46 is 2, and is symmetricly set on the outer surface of conductive coating 44.The application is real
It applies not using complete annular conductive spacer in example, but uses half arc conductive spacer, if using complete annular conductive pad
Piece, then the size of conductive spacer will fix, correspondingly, the size for the wall bushing which is adapted to is also unique
's.During use, which can not reapply on the wall bushing of other models, once while the conductive pad
Piece damage, it will be difficult to be adapted to suitable conductive spacer again for the wall bushing.And half arc conductive spacer is used, it is led by two panels
Gap between electrical pad piece, position of the adjustment conductive spacer for the property of can adapt to outside conductive coating 44, and then enable conductive pad
Piece 46 and 44 good fit of conductive coating.It should be noted that conductive spacer 46 can be multiple, but quantity should not be excessive,
If 46 quantity of conductive spacer is excessive, the difficulty fixed in buckle 45 of conductive spacer 46 can be greatly increased；Meanwhile conductive pad
The quantity of piece 46 is also unsuitable very few, if 46 quantity of conductive spacer is very few, can also reduce conductive effect.
Further, described to buckle 45 in a ring；
The buckle 45 uses conductive material；
The buckle 45 includes: main body 451, crimped end 452 and tightening pin 453；
The main body 451 is equipped with opening, and the crimped end 452 is correspondingly arranged in the opening, and the tightening pin 453 is matched
Conjunction is set in the crimped end 452.
In use, the main body 451 of buckle 45 being capable of the good outside for adapting to the first conduction region 42 and the second conduction region 43
Size, while crimped end 452 is screwed in by the way that pin 453 will be tightened, the spacing between two crimped ends 452 can be adjusted, and then adjust
The whole tightening effect of section buckle 45 enables buckle be tightly attached to the outside of conductive spacer 46, while together with conductive spacer 46 close to leading
Electrocoat 44.
Buckle 45 uses conductive material, can guarantee good conductive effect, and then guide current earthing.
Further, the conductive coating 44 uses metallic paint or semiconductive varnish.
Further, the conductive spacer 46 uses graphite material.
Meanwhile referring to Fig. 3, the embodiment of the present application also provides a kind of preparation method of wall bushing, the method packet
It includes:
S100, conductive material is sprayed in the first conduction region 42 and the second conduction region 43, first conduction region 42 and described
Porcelain piece 4 of second conduction region 43 between flange 5 and neighbouring full skirt 41；
S200, conductive coating 44 after spray coating outside be sticked conductive spacer 46；
S300, the external installing buckle 45 in the conductive spacer 46, enable the conductive spacer 46 be tightly attached to the conduction
The outside of coating 44；
S400, the buckle 45 is grounded.
Since the first conduction region 42 and the second conduction region 43 are the region for being easy electric discharge in wall bushing, it will be grounded
Position is determined as the first conduction region 42 and the second conduction region 43, and more Leakage Currents can effectively be guided to be grounded.It is led first
43 external spray conductive material of electric area 42 and the second conduction region can effectively improve the first conduction region 42 and the second conduction region 43
Conductive effect.It is sticked conductive spacer 46 in the outside of conductive coating 44 simultaneously, can effectively ensure that conductive coating 44 and buckle 45
Between good contact, while 45 shielding to conductive coating 44 and buckle.By the way that 45 ground connection will be buckled, so that guidance is worn
Leakage Current ground connection in wall sleeve, and then guarantee wall bushing effective grounding.
From the above technical scheme, the embodiment of the present application provides a kind of wall bushing and preparation method thereof, wherein institute
Stating wall bushing includes: first end cover 1, busbar 2, second end cover 3, porcelain piece 4 and flange 5；The first end cover 1 and described
Two end caps 3 are respectively arranged at the both ends of the porcelain piece 4；The porcelain piece 4 is in hollow structure, and the busbar 2 is along the porcelain piece 4
Axially penetrate through the porcelain piece 4；The external vertical of the porcelain piece 4 is equipped with several full skirts 41 in the axis of the porcelain piece 4；The porcelain
The flange 5 is additionally provided on part 4, the flange 5 is set between two full skirts 41；It is characterized by further comprising: conductive
Coating 44, buckle 45 and conductive spacer 46；The conductive coating 44 is coated on the outer of the first conduction region 42 and the second conduction region 43
Surface, the porcelain piece 4 of first conduction region 42 and second conduction region 43 between the flange 5 and neighbouring full skirt 41；
The conductive spacer 46 is attached on the outer surface of the conductive coating 44；The buckle 45 is set to the conductive spacer 46
Outside, and the conductive spacer 46 is anchored on to the outside of the conductive coating 44.In use, conductive coating 44 is coated in first
On the outer surface of conduction region 42 and the second conduction region 43, the electric conductivity of the first conduction region 42 and the second conduction region 43 can be enhanced,
To guide the Leakage Current of wall bushing to the first conduction region 42 and the second conduction region 43.Meanwhile by being set to conduction
Buckle 45 outside coating 44 further guides Leakage Current to greatly, guarantees wall bushing ground connection, avoid wall bushing with
There is potential difference and cause electric discharge in the earth.Meanwhile between buckle 45 and the first conduction region 42 and the second conduction region 43
Add conductive spacer 46, can on the basis of enhancing the first conduction region 42 and the second conduction region 43 with the well contact of buckle 45,
Protecting will not damage mutually between the first conduction region 42 and the second conduction region 43 and buckle because of contact.As it can be seen that this Shen
Please provided by a kind of wall bushing can effectively solve the problem that the problem of existing wall bushing insulation effect difference.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (6)
1. a kind of wall bushing, comprising: first end cover (1), busbar (2), second end cover (3), porcelain piece (4) and flange (5)；Institute
It states first end cover (1) and the second end cover (3) is respectively arranged at the both ends of the porcelain piece (4)；The porcelain piece (4) is in hollow knot
Structure, and the busbar (2) axially penetrates through the porcelain piece (4) along the porcelain piece (4)；The external vertical of the porcelain piece (4) in
The axis of the porcelain piece (4) is equipped with several full skirts (41)；It is additionally provided with the flange (5) on the porcelain piece (4), the flange (5)
It is set between two full skirts (41)；It is characterized by further comprising: conductive coating (44), buckle (45) and conductive spacer
(46)；
The conductive coating (44) is coated on the outer surface of the first conduction region (42) and the second conduction region (43), and described first is conductive
The porcelain piece (4) of area (42) and second conduction region (43) between the flange (5) and neighbouring full skirt (41)；
The conductive spacer (46) is attached on the outer surface of the conductive coating (44)；
The buckle (45) is set to the outside of the conductive spacer (46), and the conductive spacer (46) is anchored on described lead
The outside of electrocoat (44).
2. a kind of wall bushing according to claim 1, which is characterized in that the number of the conductive spacer (46) is 2；
The conductive spacer (46) is arc-shaped, and using the axis of the porcelain piece (4) as symmetry axis, is symmetrically disposed on the conductive painting
On the outer surface of layer (44).
3. a kind of wall bushing according to claim 1, which is characterized in that the buckle (45) is in a ring；
The buckle (45) uses conductive material；
The buckle (45) includes: main body (451), crimped end (452) and tightening pin (453)；
The main body (451) is equipped with opening, and the crimped end (452) is correspondingly arranged in the opening, and (453) are sold in the tightening
It is equipped in the crimped end (452).
4. a kind of wall bushing according to claim 1, which is characterized in that the conductive coating (44) using metallic paint or
Person's semiconductive varnish.
5. a kind of wall bushing according to claim 1, which is characterized in that the conductive spacer (46) uses graphite material
Material.
6. a kind of preparation method of wall bushing, which is characterized in that the described method includes:
Conductive material, first conduction region (42) and described second are sprayed in the first conduction region (42) and the second conduction region (43)
Porcelain piece (4) of the conduction region (43) between flange (5) and neighbouring full skirt (41)；
The outside of conductive coating (44) after spray coating is sticked conductive spacer (46)；
In the external installing buckle (45) of the conductive spacer (46), the conductive spacer (46) is enabled to be tightly attached to the conductive coating
(44) outside；
The buckle (45) is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397863.XA CN110098583B (en) | 2019-05-14 | 2019-05-14 | Wall bushing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397863.XA CN110098583B (en) | 2019-05-14 | 2019-05-14 | Wall bushing and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110098583A true CN110098583A (en) | 2019-08-06 |
| CN110098583B CN110098583B (en) | 2021-10-08 |
Family
ID=67447936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910397863.XA Active CN110098583B (en) | 2019-05-14 | 2019-05-14 | Wall bushing and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110098583B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018686A (en) * | 2020-07-17 | 2020-12-01 | 清华大学 | Low-voltage AC/DC wall bushing and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018686A (en) * | 2020-07-17 | 2020-12-01 | 清华大学 | Low-voltage AC/DC wall bushing and preparation method thereof |
| CN112018686B (en) * | 2020-07-17 | 2022-04-01 | 清华大学 | High-voltage AC/DC wall bushing of 35kV or below and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110098583B (en) | 2021-10-08 |
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