CN107808717A - A kind of oil-impregnated paper insulation cable - Google Patents
A kind of oil-impregnated paper insulation cable Download PDFInfo
- Publication number
- CN107808717A CN107808717A CN201710937278.5A CN201710937278A CN107808717A CN 107808717 A CN107808717 A CN 107808717A CN 201710937278 A CN201710937278 A CN 201710937278A CN 107808717 A CN107808717 A CN 107808717A
- Authority
- CN
- China
- Prior art keywords
- oil
- impregnated paper
- basalt
- paper insulation
- fibre
- 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.)
- Withdrawn
Links
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
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Paper (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (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 composite fibre paper and cable oil；The basalt composite fibre paper includes the basalt fibre and 50 80% wood fibre of percentage by weight 16.5 35.8%；A diameter of 15 μm of described basalt fibre, length are≤3mm；The cable combines to form basalt composite fibre paper and cable oil new insulating layer material, adds the heat-resisting quantity and anti-flammability 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, it is inflammable the defects of, there is provided a kind of oil
Impregnated paper insulated cable；The present invention combines to form basalt composite fibre paper and cable oil new insulating layer material, adds electricity
The heat-resisting quantity and anti-flammability of cable insulating barrier, make that the application of cable is wider, application field is 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 composite fibre paper and cable oil；The basalt composite fibre paper includes percentage by weight 16.5-
35.8% basalt fibre and 50-80% wood fibre；A diameter of 1-5 μm of described basalt fibre, length are≤3mm.
A kind of oil-impregnated paper insulation cable of the present invention, basalt composite fibre paper and cable oil is combined to form new insulating barrier
Material, the high temperature resistant and fire-retardant performance having using basalt composite fibre paper, makes cable insulation equally be provided with more preferably
Heat-resisting quantity and anti-flammability the advantages of so that the application of cable is wider, application field is more.
A kind of above-mentioned oil-impregnated paper insulation cable, wherein, described basalt composite fibre paper is through the following steps that prepare
Obtain：Dispensing slurrying, shaping of manufacturing paper with pulp, dehydration, drying, trimming shaping；Wherein, dispensing slurrying includes：Basalt fibre is pressed
0.8-1.5% weight concentrations are dispersed in papermaking slurry with ultrasonic assistant, form mixed slurry.
Wherein, it is preferred that described ultrasonic frequency is 120-180KHz, power density 0.3-0.5W/cm2。
A kind of above-mentioned oil-impregnated paper insulation cable, wherein, the percentage composition of described basalt fibre need to be in defined model
In enclosing, content is very few, and the improvement effect to paper is small, is not suitable for cable oil-paper, and content is excessive, be unfavorable for paper into
Type, and obtained paper hardness is big, poor toughness, is unfavorable for producing and processing；Preferably, basalt fibre weight percent content is
21.0-28.5%。
A kind of above-mentioned oil-impregnated paper insulation cable, wherein, it is 0.1- that percetage by weight is included in described basalt fibre
1.5% nano aluminium oxide；Nano aluminium oxide can stop the development of breakdown channel, improve the breakdown strength of basalt fibre.It is excellent
Choosing, a diameter of 2-10nm of described nano aluminium oxide；Diameter is excessive, and compatibility reduces, to the barrier effect of breakdown channel
Reduce, diameter is too small, is unfavorable for disperseing.Most preferably, described nano aluminium oxide is that the aluminum oxide that draw ratio is 1.5-3 ︰ 1 is brilliant
Must, 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 basalt fibre；Nanometer
Silica can influence crystalline phase distribution and size in basalt fibre, crystalline phase in basalt fibre is more evenly distributed, size is poor
It is different smaller, make basalt fibre Inverter fed motor and electrical treeing performance it is more preferable.Preferably, the grain of described nano silicon
Footpath is 5-20nm；Particle diameter is excessive, and crystalline phase diameter is big in basalt fibre, and Inverter fed motor and electrical treeing humidification are reduced；Grain
Footpath 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 composite fibre paper and cable oil, adds cable insulation
Heat-resisting quantity and anti-flammability, make that the application of cable is wider, application field is more.
2nd, the basalt composite fibre paper 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 composite fibre paper and silicone oil；Basalt composite fibre paper includes percentage by weight 25.8%
Basalt fibre and 60% wood fibre；A diameter of 3 μm of described basalt fibre, length 1mm；Contain in basalt fibre
There are the nano aluminium oxide and 1.8% nano silicon that percetage by weight is 0.5%；
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 high temperature resistant, 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 composite fibre paper and rosin petroleum base insulating compound；Basalt composite fibre paper includes weight
The basalt fibre of percentage 16.5% and 80% wood fibre；A diameter of 5 μm of described basalt fibre, length 3mm；Even
Contain the nano aluminium oxide and 0.6% nano silicon that percetage by weight is 1.5% in continuous basalt fibre；
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 high temperature resistant, 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 composite fibre paper and detergent alkylate artificial oil；Basalt composite fibre paper includes weight
The basalt fibre of percentage 35.8% and 50% wood fibre；A diameter of 1 μm of described basalt fibre, length 2mm；Even
Contain the nano aluminium oxide and 2.8% nano silicon that percetage by weight is 0.1% in continuous basalt fibre；
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 high temperature resistant, 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 composite fibre paper and detergent alkylate artificial oil；Basalt composite fibre paper includes weight
The basalt fibre of percentage 20.0% and 70% wood fibre；A diameter of 3 μm of described basalt fibre, length 2mm；Even
Contain the nano aluminium oxide and 3.0% nano silicon that percetage by weight is 1.2% in continuous basalt fibre；
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 high temperature resistant, 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 composite fibre paper and silicone oil；Military rock composite fibre paper includes the profound of percentage by weight 25.8%
Military rock fiber and 60% wood fibre；A diameter of 3 μm of described basalt fibre, length 1mm；
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 high temperature resistant, good flame resistance, but insulating barrier electrical property is poor, easily breakdown, resists
Aging 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 composite fibre paper and silicone oil；Military rock composite fibre paper includes the profound of percentage by weight 25.8%
Military rock fiber and 60% wood fibre；A diameter of 3 μm of described basalt fibre, length 1mm；In continuous basalt fiber
Contain the nano aluminium oxide and 1.8% nano silicon that percetage by weight is 0.5%；
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 high temperature resistant, good flame resistance, and insulating barrier excellent electrical property；But cable oil is easy
Leakage, 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；Characterized in that, described insulating barrier is oil-impregnated paper insulation layer；The oil-impregnated paper insulation layer includes the compound fibre of basalt
Tie up paper and cable oil；The basalt composite fibre paper includes percentage by weight 16.5-35.8% basalt fibre and 50-80%
Wood fibre；A diameter of 1-5 μm of described basalt fibre, length are≤3mm.
2. oil-impregnated paper insulation cable according to claim 1, it is characterised in that described basalt composite fibre paper is logical
Cross what following steps were prepared：Dispensing slurrying, shaping of manufacturing paper with pulp, dehydration, drying, trimming shaping.
3. oil-impregnated paper insulation cable according to claim 2, it is characterised in that dispensing slurrying includes：By basalt fibre
It is dispersed in by 0.8-1.5% weight concentrations with ultrasonic assistant in papermaking slurry, forms mixed slurry.
4. oil-impregnated paper insulation cable according to claim 3, it is characterised in that described ultrasonic frequency is 120-
180KHz, power density 0.3-0.5W/cm2。
5. 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%.
6. oil-impregnated paper insulation cable according to claim 5, it is characterised in that described nano aluminium oxide is that draw ratio is
1.5-3 ︰ 1 alumina whisker.
7. 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%.
8. oil-impregnated paper insulation cable according to claim 7, it is characterised in that the particle diameter of described nano silicon is
5-20nm。
9. 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.
10. oil-impregnated paper insulation cable according to claim 1, it is characterised in that the material of the sealant is polyurethane
One or more in rubber, nitrile rubber, fluorubber, silicon rubber, polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937278.5A CN107808717A (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 |
|---|---|---|---|
| CN201710937278.5A CN107808717A (en) | 2017-09-30 | 2017-09-30 | A kind of oil-impregnated paper insulation cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107808717A true CN107808717A (en) | 2018-03-16 |
Family
ID=61584885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710937278.5A Withdrawn CN107808717A (en) | 2017-09-30 | 2017-09-30 | A kind of oil-impregnated paper insulation cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107808717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235958A (en) * | 2020-02-20 | 2020-06-05 | 陕西科技大学 | Method for dispersing basalt fibers and manufacturing insulating paper by adopting basalt fibers |
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 |
| CN1222604A (en) * | 1999-01-22 | 1999-07-14 | 四川省对外经济贸易总公司 | Special synthetic fiber paper and its production |
| CN1287955A (en) * | 2000-11-03 | 2001-03-21 | 尚德库 | Basalt-pearlspar composite fiber paper |
| CN1948615A (en) * | 2006-11-07 | 2007-04-18 | 成都天畅新材料有限公司 | Synthetic fiber paper containing basalt fiber and chemical fiber and its preparation method |
| CN203026249U (en) * | 2012-12-28 | 2013-06-26 | 湖南华力通线缆股份有限公司 | Power cable |
| CN204596513U (en) * | 2015-04-13 | 2015-08-26 | 福建省南胜电缆股份有限公司 | A kind of three core ribbon insulated type cables |
| 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 |
-
2017
- 2017-09-30 CN CN201710937278.5A patent/CN107808717A/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 |
| CN1222604A (en) * | 1999-01-22 | 1999-07-14 | 四川省对外经济贸易总公司 | Special synthetic fiber paper and its production |
| CN1287955A (en) * | 2000-11-03 | 2001-03-21 | 尚德库 | Basalt-pearlspar composite fiber paper |
| CN1948615A (en) * | 2006-11-07 | 2007-04-18 | 成都天畅新材料有限公司 | Synthetic fiber paper containing basalt fiber and chemical fiber and its preparation method |
| CN203026249U (en) * | 2012-12-28 | 2013-06-26 | 湖南华力通线缆股份有限公司 | Power cable |
| CN204596513U (en) * | 2015-04-13 | 2015-08-26 | 福建省南胜电缆股份有限公司 | A kind of three core ribbon insulated type cables |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235958A (en) * | 2020-02-20 | 2020-06-05 | 陕西科技大学 | Method for dispersing basalt fibers and manufacturing insulating paper by adopting basalt fibers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205282157U (en) | Regional high temperature fire resisting cable that uses of aeroengine | |
| CN102760526B (en) | Ceramic silicon rubber insulation medium-voltage fire-resistant cable with rated voltage of 6kV-35kV and machining process thereof | |
| CN202758656U (en) | Ceramic silicon rubber insulation medium-voltage fire-resistant cable with rated voltage of 6kV-35kV | |
| CN104616804A (en) | Halogen-free and flame-proof insulating power cable employing polytetrafluoroethylene composite material | |
| CN107808717A (en) | A kind of oil-impregnated paper insulation cable | |
| CN108417301A (en) | Water resistant tree power cable with cross-linked polyethylene insulation and production technology are pressed in one kind | |
| CN107652512A (en) | A kind of cable insulation material and preparation method thereof | |
| CN107722420A (en) | A kind of high-tension cable | |
| CN207731684U (en) | Triple-shielded flame retardant type cable irradiation line | |
| CN107808718A (en) | A kind of oil-impregnated paper insulation cable | |
| CN107793761A (en) | A kind of cable | |
| CN107740204A (en) | A kind of basalt fibre for cable insulation and preparation method thereof | |
| CN103915194A (en) | Low-smoke and halogen-free fireproof double-shielded cable resistant to high temperature | |
| CN103594181A (en) | Electric line insulating skin with inflaming retarding effect | |
| CN104021863A (en) | High temperature and high voltage resisting cable | |
| CN107828199A (en) | A kind of high voltage insulation cable | |
| CN210349364U (en) | Environment-friendly flexible fireproof cable | |
| CN107815081A (en) | A kind of high voltage insulation cable | |
| CN107805975A (en) | A kind of cable composite fibre paper and preparation method thereof | |
| CN205789224U (en) | A kind of high performance and long service life power cable | |
| CN207165298U (en) | A kind of new-energy automobile fire resisting high-tension cable | |
| CN108806847A (en) | A kind of flexible mineral insulation cable with water preventing ability | |
| CN208767041U (en) | A kind of mineral insulation fireproof cable | |
| CN208521631U (en) | A kind of water-and fire-proof cable | |
| CN107828095A (en) | A kind of insulated cable with Yu Haiyang |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180316 |
|
| WW01 | Invention patent application withdrawn after publication |