CN107808718A - A kind of oil-impregnated paper insulation cable - Google Patents
A kind of oil-impregnated paper insulation cable Download PDFInfo
- Publication number
- CN107808718A CN107808718A CN201710937304.4A CN201710937304A CN107808718A CN 107808718 A CN107808718 A CN 107808718A CN 201710937304 A CN201710937304 A CN 201710937304A CN 107808718 A CN107808718 A CN 107808718A
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- CN
- China
- Prior art keywords
- oil
- impregnated paper
- paper insulation
- basalt fibre
- cable
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of oil-impregnated paper insulation cable, including：An at least conductor thread core, the insulating barrier being paperwrapped in outside the conductor thread core, the sealant being paperwrapped in outside the insulating barrier, the screen layer being paperwrapped in outside the sealant, cladding are around in the restrictive coating outside the screen layer；Described insulating barrier is oil-impregnated paper insulation layer；The oil-impregnated paper insulation layer includes basalt fibre empire cloth and cable oil；The basalt fibre empire cloth is formed by the braiding of basalt fibre raw yarn line；The basalt fibre raw yarn line is formed by continuous basalt fiber and sth. made by twisting；The cable combines to form basalt fibre empire cloth and cable oil new insulating layer material, adds the heat-resisting quantity, anti-flammability and mechanical strength of cable insulation, makes that the application of cable is wider, application field is more.
Description
Technical field
The present invention relates to field of cables, and in particular to a kind of oil-impregnated paper insulation cable.
Background technology
Cable is to be fabricated to conductor thread core by twisted with one or more wire, then corresponding insulation is imposed on conductor
Layer, the wire that outside is wrapped sealing sheath and formed, is mainly made up of core, insulating barrier, screen layer and restrictive coating.Cable has
Take ground and space is few；Power supply safety is reliable, and electric shock possibility is small；Be advantageous to improve the power factor of power system；Operation,
Maintenance work is simple and convenient；Be advantageous to beautifying city, there is many advantages, such as confidentiality, in being widely used in living and producing
Every field.
The effect of insulating barrier is will to be electrically isolated from each other between core and the earth and out of phase core in cable, from
And ensure not occurring when conveying electric energy relatively or alternate puncture short.By experiment and long-term use of empirical evidence, Gao Pin
In the cable of matter, the material of insulating barrier needs have following performance：Compressive resistance is high；Dielectric loss angle tangent is low；Inverter fed motor
Performance is good；Stable chemical performance；It is low temperature resistant；Heat resistance is good；Machining property is good；Service life is grown.Existing cable is exhausted
Edge layer material is broadly divided into several major classes such as oil-paper, rubber, polyethylene, polyvinyl chloride and crosslinked polyethylene, although can meet
The performance requirement of normal cable, but when for preparing the cable used under particular surroundings, its performance shows slightly deficiency.
The oil-paper used in existing oil-impregnated paper insulation cable is mostly wood fibre paper, although low with cost, processability
The advantages of good, but there is also poor heat resistance, water imbibition is strong, mechanical strength is low, inflammable the shortcomings that, thus, using such oil-paper
Cable be difficult to apply under the particular surroundings such as high temperature, high intensity.
The content of the invention
It is an object of the invention to overcome existing oil-impregnated paper insulation cable poor heat resistance, the defects of mechanical strength is low, inflammable,
A kind of oil-impregnated paper insulation cable is provided；The present invention combines to form basalt fibre empire cloth and cable oil new insulating barrier material
Material, the heat-resisting quantity, anti-flammability and mechanical strength of cable insulation are added, make that the application of cable is wider, application field
More.
In order to realize foregoing invention purpose, the invention provides a kind of oil-impregnated paper insulation cable, including：An at least conductor
Core, the insulating barrier being paperwrapped in outside the conductor thread core, the sealant being paperwrapped in outside the insulating barrier, it is paperwrapped in the sealant
Outer screen layer, cladding are around in the restrictive coating outside the screen layer；Described insulating barrier is oil-impregnated paper insulation layer；The oil-paper
Insulating barrier includes basalt fibre empire cloth and cable oil；The basalt fibre empire cloth is woven by basalt fibre raw yarn line
Form；The basalt fibre raw yarn line is formed by continuous basalt fiber and sth. made by twisting.
A kind of oil-impregnated paper insulation cable of the present invention, basalt fibre empire cloth and cable oil is combined to form new insulating barrier
Material, the high temperature resistant having using basalt fibre empire cloth, non-ignitable and high strength performance, makes cable insulation same
The advantages of being provided with more preferable heat-resisting quantity, anti-flammability and mechanical strength, so that the application of cable is wider, application field
More.
A kind of above-mentioned oil-impregnated paper insulation cable, wherein, the basalt fibre empire cloth thread count is 35-60 roots/cm；
The thread count of military rock fibrous insulation cloth limits the pore size of fiber cloth, and thread count is bigger, and hole is smaller, breakdown channel
Smaller, breakdown voltage is bigger, and mechanical property is better；But thread count is excessive, establishment is difficult, and processability is deteriorated, beneficial to it in electricity
Application in cable；Preferably, described basalt fibre empire cloth thread count is 40-50 roots/cm.
A kind of above-mentioned oil-impregnated paper insulation cable, wherein described basalt fibre raw yarn line density is 130-180Tex, close
Stock radical is 3-8 roots；Described basalt fibre raw yarn line density influences the thickness of fiber cloth, and fiber cloth thickness is processed to it
Property and have on the electrical property of high-frequency electric field and influence, density is bigger, and fiber cloth thickness is bigger, and the electrical property of high-frequency electric field is got over
Difference；Density is smaller, and fiber cloth thickness is smaller, establishment difficulty increase；Preferably, described basalt fibre raw yarn line density is
150-160Tex, plying radical are 6.
A kind of above-mentioned oil-impregnated paper insulation cable, wherein, including percetage by weight in described continuous basalt fiber is
0.1-1.5% nano aluminium oxide；Nano aluminium oxide can stop the development of breakdown channel, and the breakdown for improving basalt fibre is strong
Degree.Preferably, a diameter of 2-10nm of described nano aluminium oxide；Diameter is excessive, and compatibility reduces, the stop to breakdown channel
Effect reduces, and diameter is too small, is unfavorable for disperseing.Most preferably, described nano aluminium oxide is the oxidation that draw ratio is 1.5-3 ︰ 1
Al whisker, whisker can be embedded in different crystal phase structures, more preferable to the barrier effect of breakdown channel.
Wherein, the nano silicon that percetage by weight is 0.6-2.8% is also included in described continuous basalt fiber；
Nano silicon can influence crystalline phase distribution and size in basalt fibre, crystalline phase in basalt fibre is more evenly distributed, greatly
Small difference is smaller, make basalt fibre Inverter fed motor and electrical treeing performance it is more preferable.Preferably, described nano silicon
Particle diameter be 5-20nm；Particle diameter is excessive, and crystalline phase diameter is big in basalt fibre, and Inverter fed motor and electrical treeing humidification are dropped
It is low；Particle diameter is too small, is unfavorable for disperseing.
A kind of above-mentioned oil-impregnated paper insulation cable, wherein, described conductor thread core is the wire being prepared by conductive material；
Preferably, described conductor material is one kind in copper, aluminium and its alloy.
Wherein, it is preferred that described cable oil is in silicone oil, rosin petroleum base insulating compound, detergent alkylate artificial oil
It is one or more.
Wherein, described sealant is by that can prevent that cable oil from being permeated or the material of leakage is formed, can prevent oil-paper
The leakage of middle cable oil；Preferably, described sealing layer material be polyurethane rubber, it is nitrile rubber, fluorubber, silicon rubber, poly-
One or more in tetrafluoroethene.
Wherein, described screen layer is made up of shielding material；Preferably, described shielding material is MP metallized paper band or half
Conductive paper band.
Wherein, described restrictive coating includes inner sheath, inner liner, armor and serving；Restrictive coating energy sealing protection electricity
Cable prevents external force from directly damaging cable internal structure from the intrusion of introduced contaminants and moisture.
Compared with prior art, beneficial effects of the present invention：
1st, the insulating barrier of oil-impregnated paper insulation cable of the present invention is basalt fibre empire cloth and cable oil, adds cable insulation
Heat-resisting quantity, anti-flammability and mechanical strength, make that the application of cable is wider, application field is more.
2nd, the basalt fibre empire cloth in oil-impregnated paper insulation cable of the present invention contains nano aluminium oxide and silica, energy
The electrical property of basalt fibre is significantly improved, it is particularly suited for the insulating barrier of cable.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment 1
A kind of oil-impregnated paper insulation cable, is followed successively by from inside to outside：
Conductor thread core：Copper conductor；
Insulating barrier：It is made up of basalt fibre empire cloth and silicone oil；Basalt fibre empire cloth is compiled by basalt fibre raw yarn line
Knit and form, thread count is 50/cm；Basalt fibre raw yarn line is formed by continuous basalt fiber and sth. made by twisting, and density is
150Tex, plying radical are 6；Contain the nano aluminium oxide and 1.8% that percetage by weight is 0.5% in continuous basalt fiber
Nano silicon；
Sealant：Polyurethane rubber；
Screen layer：MP metallized paper band；
Restrictive coating：Inner sheath, inner liner, armor and serving；
The oil-impregnated paper insulation cable has the advantages of big high temperature resistant, tensile strength, good flame resistance, and insulating barrier excellent electrical property.
Embodiment 2
A kind of oil-impregnated paper insulation cable, is followed successively by from inside to outside：
Conductor thread core：Copper aluminum alloy wire；
Insulating barrier：It is made up of basalt fibre empire cloth and rosin petroleum base insulating compound；Basalt fibre empire cloth is by basalt
The braiding of fiber raw yarn line forms, and thread count is 35/cm；Basalt fibre raw yarn line by continuous basalt fiber and twist with the fingers and
Into density 180Tex, plying radical is 8；In continuous basalt fiber containing percetage by weight be 1.5% it is nano oxidized
Aluminium and 0.6% nano silicon；
Sealant：Fluorubber；
Screen layer：Conducting paper band；
Restrictive coating：Inner sheath, inner liner, armor and serving；
The oil-impregnated paper insulation cable has the advantages of big high temperature resistant, tensile strength, good flame resistance, and insulating barrier excellent electrical property.
Embodiment 3
A kind of oil-impregnated paper insulation cable, is followed successively by from inside to outside：
Conductor thread core：Aluminum conductor；
Insulating barrier：It is made up of basalt fibre empire cloth and detergent alkylate artificial oil；Basalt fibre empire cloth is by basalt
The braiding of fiber raw yarn line forms, and thread count is 60/cm；Basalt fibre raw yarn line by continuous basalt fiber and twist with the fingers and
Into density 130Tex, plying radical is 3；In continuous basalt fiber containing percetage by weight be 0.1% it is nano oxidized
Aluminium and 2.8% nano silicon；
Sealant：Silicon rubber；
Screen layer：Carbon fiber-polyethylene composite shielding material；
Restrictive coating：Inner sheath, inner liner, armor and serving；
The oil-impregnated paper insulation cable has the advantages of big high temperature resistant, tensile strength, good flame resistance, and insulating barrier excellent electrical property.
Embodiment 4
A kind of oil-impregnated paper insulation cable, is followed successively by from inside to outside：
Conductor thread core：Copper alloy wire；
Insulating barrier：It is made up of basalt fibre empire cloth and silicone oil；Basalt fibre empire cloth is compiled by basalt fibre raw yarn line
Knit and form, thread count is 20/cm；Basalt fibre raw yarn line is formed by continuous basalt fiber and sth. made by twisting, and density is
200Tex, plying radical are 10；Contain the nano aluminium oxide and 3.0% that percetage by weight is 1.2% in continuous basalt fiber
Nano silicon；
Sealant：Polytetrafluoroethylene (PTFE)；
Screen layer：Metallic fiber-polyethylene composite shielding material；
Restrictive coating：Inner sheath, inner liner, armor and serving；
The oil-impregnated paper insulation cable has the advantages of big high temperature resistant, tensile strength, good flame resistance, and insulating barrier excellent electrical property.
Comparative example 1
A kind of oil-impregnated paper insulation cable, is followed successively by from inside to outside：
Conductor thread core：Copper conductor；
Insulating barrier：It is made up of wood fibre paper and silicone oil；
Sealant：Polyurethane rubber；
Screen layer：MP metallized paper band；
Restrictive coating：Inner sheath, inner liner, armor and serving；
The oil-impregnated paper insulation cable heat-resisting quantity is poor, tensile strength is low, poor fire.
Comparative example 2
A kind of oil-impregnated paper insulation cable, is followed successively by from inside to outside：
Conductor thread core：Copper conductor；
Insulating barrier：It is made up of basalt fibre empire cloth and silicone oil；Basalt fibre empire cloth is compiled by basalt fibre raw yarn line
Knit and form, thread count is 50/cm；Basalt fibre raw yarn line is formed by common continuous basalt fiber and sth. made by twisting, and density is
150Tex, plying radical are 6；
Sealant：Polyurethane rubber；
Screen layer：MP metallized paper band；
Restrictive coating：Inner sheath, inner liner, armor and serving；
The oil-impregnated paper insulation cable has the advantages of big high temperature resistant, tensile strength, good flame resistance, but insulating barrier electrical property is poor,
Easily breakdown, ageing resistance is poor.
Comparative example 3
A kind of oil-impregnated paper insulation cable, is followed successively by from inside to outside：
Conductor thread core：Copper conductor；
Insulating barrier：It is made up of basalt fibre empire cloth and silicone oil；Basalt fibre empire cloth is compiled by basalt fibre raw yarn line
Knit and form, thread count is 50/cm；Basalt fibre raw yarn line is formed by continuous basalt fiber and sth. made by twisting, and density is
150Tex, plying radical are 6；Contain the nano aluminium oxide and 1.8% that percetage by weight is 0.5% in continuous basalt fiber
Nano silicon；
Screen layer：MP metallized paper band；
Restrictive coating：Inner sheath, inner liner, armor and serving；
The oil-impregnated paper insulation cable has the advantages of big high temperature resistant, tensile strength, good flame resistance, and insulating barrier excellent electrical property；
But cable oil is easily revealed, causing insulating barrier, electrical property is gradually deteriorated in use, and cable service life is shorter.
Claims (10)
1. a kind of oil-impregnated paper insulation cable, including：An at least conductor thread core, the insulating barrier being paperwrapped in outside the conductor thread core,
The sealant that is paperwrapped in outside the insulating barrier, the screen layer being paperwrapped in outside the sealant, cladding are around in outside the screen layer
Restrictive coating；Described insulating barrier is oil-impregnated paper insulation layer；Characterized in that, the oil-impregnated paper insulation layer is exhausted including basalt fibre
Edge cloth and cable oil；The basalt fibre empire cloth is formed by the braiding of basalt fibre raw yarn line；The basalt fibre is former
Yarn is formed by continuous basalt fiber and sth. made by twisting.
2. oil-impregnated paper insulation cable according to claim 1, it is characterised in that the basalt fibre empire cloth weft density
Spend for 35-60 roots/cm.
3. oil-impregnated paper insulation cable according to claim 2, it is characterised in that described basalt fibre empire cloth longitude and latitude
Density is 40-50 roots/cm.
4. oil-impregnated paper insulation cable according to claim 1, it is characterised in that described basalt fibre raw yarn line density
For 130-180Tex, plying radical is 3-8 roots.
5. oil-impregnated paper insulation cable according to claim 4, it is characterised in that described basalt fibre raw yarn line density
For 150-160Tex, plying radical is 6.
6. oil-impregnated paper insulation cable according to claim 1, it is characterised in that described continuous basalt fiber includes
There is the nano aluminium oxide that percetage by weight is 0.1-1.5%.
7. oil-impregnated paper insulation cable according to claim 6, it is characterised in that described nano aluminium oxide is that draw ratio is
1.5-3 ︰ 1 alumina whisker.
8. oil-impregnated paper insulation cable according to claim 1, it is characterised in that also wrapped in described continuous basalt fiber
Include the nano silicon that percetage by weight is 0.6-2.8%.
9. oil-impregnated paper insulation cable according to claim 8, it is characterised in that the particle diameter of described nano silicon is
5-20nm。
10. oil-impregnated paper insulation cable according to claim 1, it is characterised in that described cable oil is silicone oil, rosin stone
One or more in oil base insulating compound, detergent alkylate artificial oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937304.4A CN107808718A (en) | 2017-09-30 | 2017-09-30 | A kind of oil-impregnated paper insulation cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937304.4A CN107808718A (en) | 2017-09-30 | 2017-09-30 | A kind of oil-impregnated paper insulation cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107808718A true CN107808718A (en) | 2018-03-16 |
Family
ID=61592649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710937304.4A Withdrawn CN107808718A (en) | 2017-09-30 | 2017-09-30 | A kind of oil-impregnated paper insulation cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107808718A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105057A (en) * | 1991-05-20 | 1992-04-14 | Weinberg Martin J | Insulated magnet wire and method of forming the same |
| CN203026249U (en) * | 2012-12-28 | 2013-06-26 | 湖南华力通线缆股份有限公司 | Power cable |
| CN203669295U (en) * | 2013-12-17 | 2014-06-25 | 安徽筑新纤维复合材料科技有限公司 | Basalt fiber cloth reinforcing epoxy floor level |
| CN104963060A (en) * | 2015-06-09 | 2015-10-07 | 四川省西玄科技有限公司 | Basalt fiber cloth for composite material case body |
| CN105088794A (en) * | 2015-09-02 | 2015-11-25 | 四川航天五源复合材料有限公司 | Fire-proof basalt fiber cloth |
| CN105506782A (en) * | 2015-12-29 | 2016-04-20 | 四川力久知识产权服务有限公司 | Preparation method of porous basalt fibers |
| CN206505758U (en) * | 2016-12-30 | 2017-09-19 | 郑州登电玄武石纤有限公司 | A kind of basalt fibre buried cable |
-
2017
- 2017-09-30 CN CN201710937304.4A patent/CN107808718A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105057A (en) * | 1991-05-20 | 1992-04-14 | Weinberg Martin J | Insulated magnet wire and method of forming the same |
| CN203026249U (en) * | 2012-12-28 | 2013-06-26 | 湖南华力通线缆股份有限公司 | Power cable |
| CN203669295U (en) * | 2013-12-17 | 2014-06-25 | 安徽筑新纤维复合材料科技有限公司 | Basalt fiber cloth reinforcing epoxy floor level |
| CN104963060A (en) * | 2015-06-09 | 2015-10-07 | 四川省西玄科技有限公司 | Basalt fiber cloth for composite material case body |
| CN105088794A (en) * | 2015-09-02 | 2015-11-25 | 四川航天五源复合材料有限公司 | Fire-proof basalt fiber cloth |
| CN105506782A (en) * | 2015-12-29 | 2016-04-20 | 四川力久知识产权服务有限公司 | Preparation method of porous basalt fibers |
| CN206505758U (en) * | 2016-12-30 | 2017-09-19 | 郑州登电玄武石纤有限公司 | A kind of basalt fibre buried cable |
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Application publication date: 20180316 |