CN108630361A - A kind of insulating sleeve - Google Patents
A kind of insulating sleeve Download PDFInfo
- Publication number
- CN108630361A CN108630361A CN201810869241.8A CN201810869241A CN108630361A CN 108630361 A CN108630361 A CN 108630361A CN 201810869241 A CN201810869241 A CN 201810869241A CN 108630361 A CN108630361 A CN 108630361A
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- China
- Prior art keywords
- inner tube
- insulating sleeve
- carbon fiber
- conductive layer
- mentioned
- 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
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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
- H01B17/26—Lead-in insulators; Lead-through insulators
- H01B17/265—Fastening of insulators to support
-
- 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
- H01B17/60—Composite insulating bodies
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
Abstract
The present invention discloses a kind of insulating sleeve, including：Insulator, the insulator include the full skirt portion of centre and the lower flange in the umbrella skirt lower end are arranged；Head, including it is connected to the conservator of the upper end of above-mentioned insulator and the connecting terminal that is connected on above-mentioned conservator；Insulation tube in oil is connected on above-mentioned lower flange, and insulation tube includes the mutual inductor installing pipe on top and the insulation tube of lower part in above-mentioned oil；Above-mentioned mutual inductor installing pipe includes inner tube and the conductive layer in the inner tube outer surface, above-mentioned conductive layer ground connection setting is arranged, and above-mentioned conductive layer at least circumferentially coats the outer surface of above-mentioned inner tube lower end 20mm height.Above-mentioned insulating sleeve can save the material of conductive layer, effectively reduce production cost.
Description
Technical field
The present invention relates to a kind of transmission of electricity insulator arrangement, specifically a kind of insulating sleeves.
Background technology
In transmission facility, insulating sleeve is a kind of connecting component of power transmission and transforming equipment and outside line；Insulating sleeve
Voltage class and operating current are the rated voltage and current value for being decided by power transmission and transforming equipment；Meanwhile the structure of insulating sleeve is answered
With good electric property and enough mechanical strengths, ensure the long-term normal operation of power transmission and transforming equipment.
Insulating sleeve includes insulation tube in insulator and the oil of insulator lower end, some need to install also needing to for mutual inductor
Mutual inductor installing pipe, mutual inductor installing pipe are usually metal cylinder such as aluminium alloy cylinder.Common connection type is that spring takes out compact form,
Metal cylinder, insulation tube, insulator are tightly pressed together with brute spring by electric conductor, if spring strength deficiency is easy to happen
The defects of dislocation, oil leak；Or connected using mucilage binding mode, but if mucilage binding position is bad, easy to produce partial discharge and sealing not
It is good.In addition, metal cylinder cost is higher, processing is inconvenient.
Invention content
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of insulating sleeve, which solves mutually
The connectivity problem and material cost problem of sensor installing pipe.
For achieving the above object, the technology used in the present invention means are as follows：A kind of insulating sleeve, including：Insulation
Son, the insulator include the full skirt portion of centre and the lower flange in the umbrella skirt lower end are arranged；Head, including be connected to above-mentioned exhausted
The conservator of the upper end of edge and the connecting terminal being connected on above-mentioned conservator；Insulation tube in oil is connected on above-mentioned lower flange, on
It includes the mutual inductor installing pipe on top and the insulation tube of lower part to state insulation tube in oil；Above-mentioned mutual inductor installing pipe includes inner tube and sets
The conductive layer in the inner tube outer surface, above-mentioned conductive layer ground connection setting are set, above-mentioned conductive layer at least circumferentially coats under above-mentioned inner tube
The outer surface of end 20mm height.
Above-mentioned insulating sleeve, by the conductive layer being divided into mutual inductor installing pipe outside inner tube and inner tube, inner tube need not have
Electric conductivity, therefore the material of inner tube can be same or similar with the material of the insulation tube of lower end, the freedom of inner tube material selection
Property can make the connection of inner tube and insulation tube, and there is no difficulties.The conductive effect of mutual inductor installing pipe is realized additionally, due to conductive layer
Fruit, the freedom of inner tube material make the material that inner tube can be with alternative costs well below metal cylinder, substantially reduce mutual inductor
The material cost of installing pipe.In addition, conductive layer at least circumferentially coats the outer surface of above-mentioned inner tube lower end 20mm height, Neng Gou
In the case of ensuring electric conductivity, the cladding mode and cladding area of conductive layer can be selected according to actual conditions, helps to save
The material for saving conductive layer, further decreases production cost.
Preferably, above-mentioned conductive layer only circumferentially coats above-mentioned inner tube lower end, and setting at least one of conductive bar is led from above-mentioned
Electric layer extends to above-mentioned lower flange.Conductive layer only coats the partial outer face of inner tube in this way, under the premise of ensureing electric conductivity,
Material can be effectively saved, production cost is reduced.
Preferably, above-mentioned conductive layer is carbon fiber layer.
Carbon fiber is high intensity, the new fiber materials of high modulus fibre of a kind of phosphorus content 95% or more.It is by
The organic fibers such as flake graphite are piled up along fiber axial direction, through microlite obtained from carbonization and graphitization processing
Ink material.Carbon fiber " soft outside but hard inside ", quality is lighter than metal, but intensity is higher than steel, and with corrosion-resistant, high-modulus
Characteristic is all important materials in defence and military and civilian aspect.It not only has the intrinsic intrinsic property of carbon material, and has both spinning
The soft machinability of textured fiber is reinforcing fiber of new generation.
Carbon fiber has many excellent performances, and axial strength and modulus are high, and density is low, no creep, resistance under non-oxidizing atmosphere
Superhigh temperature, fatigue durability is good, and between nonmetallic between metal, coefficient of thermal expansion is small and with each to different for specific heat and electric conductivity
Property, good corrosion resistance has good electrical and thermal conductivity performance and electromagnetic wave shielding.Conduction can effectively ensure that using carbon fiber layer
Performance, and with good resistance deformability, corrosion resistance, the piece electrical performance of insulating sleeve is effectively ensured.
Preferably, above-mentioned carbon fiber layer is formed by carbon fiber winding.Winding process is simply ripe, easy to process.
Preferably, above-mentioned carbon fiber layer circumferentially coats whole outer surfaces of above-mentioned inner tube.Carbon fiber layer as conductive layer,
Area is bigger, and conductive path is more, and electric conductivity can be effectively ensured, not vulnerable.
Preferably, above-mentioned carbon fiber layer is fixed on above-mentioned inner tube outer surface by thermosetting resin.Thermosetting resin is heat-resisting
Property it is high, compression is unlikely to deform, and rigidity is big, hardness is high, nonflammable, product size stability is good, and curing process is simple, facilitates production
Processing.Specifically, phenolic resin, epoxy resin, amino resins, unsaturated polyester resin, silicon ether may be used in thermosetting resin
Resin etc..
Preferably, the pre-soaked thermosetting resin of above-mentioned carbon fiber layer.It can lead to after the pre-soaked thermosetting resin of carbon fiber
The method for crossing Wet Winding Process is wrapped in inner tube outer surface, easily manufactured, is not likely to produce bubble, function admirable.
Preferably, above-mentioned carbon fiber layer forms reticular structure in above-mentioned inner tube outer surface.Carbon fiber material can be saved in this way
Material, reduces cost.
Preferably, above-mentioned conductive layer is conductive paint or semiconductive varnish.The setting of conductive paint or semiconductive varnish is further saved
Material, reduces cost, and reduce the complexity of insulating sleeve structure, brushing technique can be used, easy to operate.
Preferably, above-mentioned conductive layer is metal mesh.Metal mesh is at low cost, and plasticity is good, facilitates processing and manufacturing.
Preferably, above-mentioned metal mesh extends to the inside of above-mentioned lower flange.Can metal mesh be first coated on inner tube in this way
On outer surface, then lower flange connect with inner tube mucilage binding, since lower flange connects the shell of usually connection equipment, only need by
The conductive layer is electrically connected with the lower flange, you can is grounded to conductive layer.Conductive layer ground connection setting makes conductive layer keep zero potential,
Effectively shield the interference that shelf depreciation or conductive particles in conductive layer generate the mutual inductor coil installed outside conductive layer.
Preferably, above-mentioned inner tube outer surface winds carbon fiber, and above-mentioned metal mesh is coated on outside above-mentioned carbon fiber.Such carbon fiber
Peacekeeping metal mesh all has conductive earthing function, and double shield prevents from failing.
Preferably, above-mentioned inner tube is integrally formed with above-mentioned insulation tube.Inner tube and the effective identical material that insulate are made, and
And be integrally formed the two, it need not be additionally to being attached between the two, and leakproofness has obtained effective guarantee.
Preferably, above-mentioned inner tube and above-mentioned insulation tube are fiber winding forming.The fiber can be glass fibre, or
Aramid fiber.The inner tube and insulation tube can be Wrapping formed by fiber impregnated resin, i.e. wet winding technology；It also can be by dry
Method is Wrapping formed, i.e., casting resin after the completion of winding fiber, and curing molding, and anti-seismic performance is good, and brittle failure will not occur；And it can
It is easily connect with other component, manufacture is easy, can save time cost.
Preferably, above-mentioned insulator further includes the inner canister for supporting above-mentioned full skirt portion, and above-mentioned inner canister is wound in for fiber
Type, above-mentioned inner canister are integrally formed with above-mentioned inner tube.Inner canister and inner tube are integrally formed, when avoiding installation again by inner tube with
Flange is installed, and is sealed between the two without using seals and other component, and the sealing of insulating sleeve has been effectively ensured
Performance.
It is further preferable that the inner canister is integrally formed with above-mentioned inner tube, above-mentioned insulation tube.Three is integrally formed, into one
Step ensure that the sealing performance of insulating sleeve, and be not necessarily to additional assembling, improves the globality of insulating sleeve, avoids in structure
Installation place between part is generated damage by external strength.
Description of the drawings
Fig. 1 is the schematic diagram of the insulating sleeve 1000 of the embodiment of the present invention one；
Fig. 2 is the partial schematic diagram of the insulating sleeve 1000 of the embodiment of the present invention one；
Fig. 3 is the partial schematic diagram of the insulating sleeve 2000 of the embodiment of the present invention two；
Fig. 4 is the partial schematic diagram of the insulating sleeve 3000 of the embodiment of the present invention two；
Fig. 5 is the partial schematic diagram of the insulating sleeve 4000 of the embodiment of the present invention two.
Specific implementation mode
According to requiring, the specific implementation mode of the present invention will be disclosed here.It is to be understood, however, that described herein
Embodiment be only the present invention exemplary, can be presented as various forms.Therefore, what is disclosed here is specific thin
Section is not to be considered as limiting, and is merely possible to the basis of claim and as instructing those skilled in the art
By in practice it is any it is appropriate in a manner of differently apply the representative basis of the present invention, include using described herein various
Feature simultaneously combines the feature that may do not disclose clearly here.
Embodiment one：
As depicted in figs. 1 and 2, the insulating sleeve 1000 in the present embodiment, including：Insulator 110, is connected to insulator
The head 120 of 110 upper ends, and it is connected to insulation tube 100 in the oil of 110 lower end of insulator.
Insulator 110 includes inner canister 111, the full skirt portion 112 being coated on outside inner canister 111, and is connected to full skirt portion
The upper flange 113 of 112 upper ends and the lower flange 114 in 112 lower end of full skirt portion is set.Inner canister 111 is the sky of glass steel material
Heart pipe can be wound by glass fiber impregnated epoxy resin, and then curing molding.In addition those skilled in the art may be used also
According to actual conditions, to pass through molding or other techniques, with other fibers, such as aramid fiber, resin manufacture inner canister of arranging in pairs or groups
111.Full skirt portion 112 is integrally formed using silicon rubber by vacuum injection.Upper flange 113 and lower flange 114 are metal flange, this
Upper flange 113 and lower flange 114 in embodiment are aluminum alloy material, can be additionally other metal materials such as iron, copper.This
The insulator 110 of embodiment is composite insulator, and those skilled in the art can select porcelain insulating according to situations such as actual demand
Sub or other kinds of insulator.
Head 120 includes the conservator 121 being connected on upper flange 113, and the connecting terminal being connected on conservator 121
122.Oily oil level reaches the position of conservator 121 in insulating sleeve 1000, and oil level can be monitored by conservator 121.Connecting terminal 122
For drawing lead in equipment, and then it is connected on other external equipments.The connecting terminal 122 of the present embodiment is copper material.
Insulation tube 100 includes the insulation tube 102 of the mutual inductor installing pipe 101 and lower part on top in oil.Mutual inductor installing pipe
101 include the conductive layer 104 outside inner tube 103 and inner tube 103.102 lower end of insulation tube is connected with lower terminal 105.Inner tube 103 and absolutely
Edge pipe 102 is integrally formed for glass steel material.Inner tube 103 and insulation tube 102 in the present embodiment are glass fiber impregnated epoxy
Resin Wound is molded.In addition to this, inner tube 103 and insulation tube 102 can also pass through other suitable molding sides such as mold casting forming
Formula.
Certainly, the present invention is not limited to this, in other examples, inner canister 111 can with the one of inner tube 103 at
Type, or can also be that inner canister 111 is integrally formed with inner tube 103, insulation tube 102, further ensure insulating sleeve
1000 sealing performance, and it is not necessarily to additional assembling, the globality of insulating sleeve 1000 is improved, is avoided between components
Installation place is generated damage by external strength.
The outer surface of at least circumferential cladding 103 lower end 20mm height of inner tube of conductive layer 104.Specifically, referring to Fig. 2, originally
The outer surface of the only circumferential cladding 103 lower end 20mm height of inner tube of conductive layer 104 in embodiment, setting twice conductive bar 105 is certainly
Conductive layer 104 is extended on lower flange 114 and is in close contact with lower flange 114, to be grounded by lower flange 114.Twice are conductive
Item 105 is symmetrical arranged on 103 outer surface of inner tube, and lower end and the conductive layer 104 of conductive bar 105 are in close contact, conductive bar 105
Upper end is with the close contact of lower flange 114, conductive layer 104 and conductive bar 105 using the material of same material.Conductive bar 105 is along interior
The bus straight line of pipe 103 is arranged, and the width of conductive bar 105 is set as 20mm, in this way can be in the feelings for ensuring conductive earthing performance
Under condition, the material of conductive layer 104 is saved, production cost is further decreased.
Certainly, the present invention it is not limited to this, in other examples, conductive layer 104 coat highly preferred 20~
30mm, width preferably 20~30mm of conductive bar 105, so that electric conductivity and economy are all secure；Obviously can also
More than 30mm, Earthing Reliability is effectively ensured.Conductive bar 105 can be arranged together either three or more multiple tracks, setting more
More, ground connection is more reliable；Conductive bar 105 can not also straight line setting, but be bent setting or spiral winding setting；Conductive bar
105 can also use the conductive material different from conductive layer 104, as long as ensureing that ground connection is good.
In the present embodiment, conductive layer 104 is carbon fiber layer 104.Specifically, carbon fiber layer 104 uses carbon fiber winding shape
At, and be fixed on 103 outer surface of inner tube by thermosetting resin.Thermosetting resin may be used phenolic resin, epoxy resin,
The mixing of one or more of amino resins, unsaturated polyester resin, silicon ether resin.In the present embodiment, thermosetting property tree
Fat uses epoxy resin.Specifically, using the technique of Wet Winding Process, inner tube 103 will be wrapped in after impregnated carbon fiber epoxy resin
Outer surface, then form carbon fiber layer 104 via curing molding.Conductive bar 105 uses carbon fiber cloth, after first epoxy resin-impregnated
It is placed on 103 outer surface corresponding position of inner tube and cures, to be fixed on 103 outer surface of inner tube.
Certainly, the present invention is not limited to this, and in other examples, conductive layer 104 can also use dry method to wind, first
By carbon fiber winding on 103 outer surface of inner tube, then leaching epoxy resin dipping is poured, then carbon fiber layer is formed via curing molding
104.Either conductive layer 104 can also be entwined using carbon fiber cloth or whole carbon cloth can also be used to coat
It is formed or conductive layer 104 can also use wire such as copper wire, aluminium wire etc. to be wound.In addition, 104 He of conductive layer
Either one or two of conductive bar 105 can also use conductive paint or semiconductive varnish, be coated on 103 outer surface of inner tube.
Embodiment two：
Referring to Fig. 3, the casing 2000 in the present embodiment and the insulating sleeve 1000 in embodiment one are essentially identical, and institute is different
, in the present embodiment, whole outer surfaces of the circumferential cladding inner tube 203 of carbon fiber layer 204, and with the lower end of lower flange 214
Portion is in close contact, to be grounded by lower flange 214.
Carbon fiber layer 204 is entwined using the outer surface of pipe 203 including carbon fiber or carbon fiber cloth, may be used
Wet Winding Process or dry method winding.
Lower flange 214 is fixed with inner tube 203 by mucilage binding mode, when production, first makes carbon fiber on 203 outer surface of inner tube
Tie up layer 204, whole outer surfaces of the circumferential cladding inner tube 203 of carbon fiber layer 204 and the glue for extending to lower flange 214 and inner tube 203
The maximum height of holding position, extension is lower flange 204 and maximum injecting glue height when 203 mucilage binding of inner tube, and actual height can basis
Actual conditions select；Again by lower flange 214 and 203 mucilage binding of inner tube, after mucilage binding, carbon fiber layer 204 connect with lower flange 214 and connects
Ground.
Certainly, the present invention is not limited to this, in other examples, when production, first by lower flange 214 and inner tube 203
It is fixed by mucilage binding mode, then carbon fiber layer 204, the cladding of carbon fiber layer 204 to lower flange 214 is wound in 203 outer surface of inner tube
Outer surface be grounded.
Embodiment three：
Referring to Fig. 4, the casing 3000 in the present embodiment and the insulating sleeve 1000 in embodiment one are essentially identical, and institute is different
, in the present embodiment, carbon fiber layer 304 forms reticular structure in 303 outer surface of inner tube.Specifically, using carbon fiber or
303 outer surface of pipe is wound reticular structure including person's carbon fiber cloth.
Example IV：
Fig. 5 is participated in, the casing 4000 in the present embodiment and the insulating sleeve 3000 in embodiment three are essentially identical, and institute is different
, in the present embodiment, conductive layer 404 is metal mesh 404.
Specifically, metal mesh 404 is made of the good metal of ductility, plasticity, convenient for being fabricated to conductive layer, can be adopted
With the metal mesh that copper mesh, aluminium net etc. are common, it is easily obtained, it is at low cost.In the present embodiment, metal mesh 404 uses copper mesh.
Lower flange 414 is fixed with inner tube 403 by mucilage binding mode, and metal mesh 404 extends to the inside of lower flange 414.Tool
Metal mesh 404 when production, is first coated on 403 outer surface of inner tube and fixed by body, then by lower flange 414 and 403 glue of inner tube
Load connects, and it is lower flange 404 and maximum when 403 mucilage binding of inner tube that metal mesh 404, which extends to the maximum height inside lower flange 414,
Injecting glue height, actual height can be selected according to actual conditions.
Metal mesh 404 may be used wet method fixed form, first the brushing thermosetting resin on metal mesh 404, then by metal
Net 404 is coated on 403 outer surface of inner tube and curing molding, and this makes it possible to metal mesh 404 is fixed on inner tube 403 securely
On, prevent play from leading to imperfect earth；Or dry method fixed form can also be used, metal mesh 404 is first coated on inner tube 403
Outer surface, then brushing thermosetting resin and solidification.
Certainly, the present invention is not limited to this, in other examples, first can wind carbon fiber in 403 outer surface of inner tube
It after dimension or coating conductive paint or semiconductive varnish, then coats metal mesh 404 in 403 outer surface of inner tube and fixes, form dual connects
Ground structure.In addition it is also possible to first connect lower flange 414 with 403 mucilage binding of inner tube, then metal is coated in the outer surface of inner tube 403
Net 404, metal mesh 404 coats to be grounded on the outer surface for extending to lower flange 414.
The technology contents and technical characterstic of the present invention have revealed that as above, it being understood, however, that in the creative ideas of the present invention
Under, those skilled in the art can make various changes and improve to above structure and material, including individually discloses or want here
Ask the combination of the technical characteristic of protection, it will be apparent that other combinations including these features.These deformations and/or combination each fall within this
In the involved technical field of invention, and fall into the protection domain of the claims in the present invention.
Claims (13)
1. a kind of insulating sleeve, including：
Insulator, the insulator include the full skirt portion of centre and the lower flange in the umbrella skirt lower end are arranged；
Head, including it is connected to the conservator of the upper end of the insulator and the connecting terminal that is connected on the conservator；
Insulation tube in oil is connected on the lower flange, and insulation tube includes mutual inductor installing pipe and the lower part on top in the oil
Insulation tube；
It is characterized in that：The mutual inductor installing pipe includes inner tube and the conductive layer in said inner tube outer surface is arranged, described to lead
Electric layer ground connection setting, the conductive layer at least circumferentially coat the outer surface of said inner tube lower end 20mm height.
2. insulating sleeve as described in claim 1, it is characterised in that：The conductive layer only circumferentially coats said inner tube lower end
Portion, setting at least one of conductive bar extend to the lower flange from the conductive layer.
3. insulating sleeve as described in claim 1, it is characterised in that：The conductive layer is carbon fiber layer.
4. insulating sleeve as claimed in claim 3, it is characterised in that：The carbon fiber layer is formed by carbon fiber winding.
5. insulating sleeve as claimed in claim 3, it is characterised in that：The carbon fiber layer circumferentially coats the whole of said inner tube
Outer surface.
6. insulating sleeve as claimed in claim 3, it is characterised in that：The carbon fiber layer is fixed by thermosetting resin.
7. insulating sleeve as claimed in claim 6, it is characterised in that：The pre-soaked thermosetting resin of carbon fiber layer.
8. insulating sleeve as claimed in claim 3, it is characterised in that：The carbon fiber layer forms net in said inner tube outer surface
Shape structure.
9. insulating sleeve as described in claim 1, it is characterised in that：The conductive layer is conductive paint or semiconductive varnish.
10. insulating sleeve as described in claim 1, it is characterised in that：The conductive layer is metal mesh.
11. insulating sleeve as claimed in claim 10, it is characterised in that：The metal mesh extends to the interior of the lower flange
Portion.
12. insulating sleeve as claimed in claim 10, it is characterised in that：Said inner tube outer surface winds carbon fiber, the gold
Belong to net to be coated on outside the carbon fiber.
13. insulating sleeve as described in claim 1, it is characterised in that：Said inner tube is integrally formed with the insulation tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869241.8A CN108630361A (en) | 2018-08-02 | 2018-08-02 | A kind of insulating sleeve |
| PCT/CN2019/096888 WO2020024819A1 (en) | 2018-08-02 | 2019-07-19 | Insulating sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869241.8A CN108630361A (en) | 2018-08-02 | 2018-08-02 | A kind of insulating sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108630361A true CN108630361A (en) | 2018-10-09 |
Family
ID=63690174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810869241.8A Pending CN108630361A (en) | 2018-08-02 | 2018-08-02 | A kind of insulating sleeve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108630361A (en) |
| WO (1) | WO2020024819A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859904A (en) * | 2019-03-29 | 2019-06-07 | 江苏神马电力股份有限公司 | Insulation tube and the integrally formed method of conductive layer and insulating sleeve |
| WO2020024819A1 (en) * | 2018-08-02 | 2020-02-06 | 江苏神马电力股份有限公司 | Insulating sleeve pipe |
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| CN109859904A (en) * | 2019-03-29 | 2019-06-07 | 江苏神马电力股份有限公司 | Insulation tube and the integrally formed method of conductive layer and insulating sleeve |
| CN109859904B (en) * | 2019-03-29 | 2021-09-14 | 江苏神马电力股份有限公司 | Method for integrally forming insulating tube and conducting layer and insulating sleeve |
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