CN108122624A - Application of irradiation crosslinked silicone rubber as self-melting insulation wrapping sheet in insulation transformation of power distribution network - Google Patents
Application of irradiation crosslinked silicone rubber as self-melting insulation wrapping sheet in insulation transformation of power distribution network Download PDFInfo
- Publication number
- CN108122624A CN108122624A CN201711165779.2A CN201711165779A CN108122624A CN 108122624 A CN108122624 A CN 108122624A CN 201711165779 A CN201711165779 A CN 201711165779A CN 108122624 A CN108122624 A CN 108122624A
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- Prior art keywords
- silicon rubber
- silicone rubber
- cross
- insulation
- distribution network
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 63
- 238000009413 insulation Methods 0.000 title claims abstract description 30
- 238000009826 distribution Methods 0.000 title claims abstract description 12
- 238000002844 melting Methods 0.000 title claims abstract description 9
- 230000009466 transformation Effects 0.000 title claims abstract description 9
- 239000004945 silicone rubber Substances 0.000 title abstract description 8
- 238000004132 cross linking Methods 0.000 claims abstract description 46
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 9
- 238000010382 chemical cross-linking Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims description 42
- 239000000155 melt Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- 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
- H01B13/003—Apparatus or processes specially adapted for manufacturing conductors or cables using irradiation
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Insulating Materials (AREA)
- Insulating Bodies (AREA)
Abstract
The invention provides application of irradiation crosslinked silicone rubber as a self-melting insulation wrapping sheet in insulation transformation of a power distribution network. The irradiation crosslinking silicone rubber provided by the invention has no chemical crosslinking agent residue, no pollution to the environment, excellent environmental protection performance, and simultaneously has micro-elasticity performance, viscosity and creep performance, so that the irradiation crosslinking silicone rubber as an insulating wrapping sheet is not limited by the irregular shape of equipment joints in the use process, and the irradiation crosslinking silicone rubber has stronger adhesive force and is less prone to falling off along with the increase of the use time; the long-term use under the conditions of high temperature and ultraviolet ray can not generate the conditions of aging, cracking, even loosening, falling off and the like caused by a chemical cross-linking agent; meanwhile, the corrosion, the heating and the reduction of the current-carrying capacity caused by the acid-base corrosion of moisture and air can be avoided, and the safe operation of the power cable can be efficiently ensured. Meanwhile, the cost of the irradiation crosslinking silicone rubber is lower than that of a common insulating protective cover, and the irradiation crosslinking silicone rubber is fast and convenient to install and can be used repeatedly in the using process.
Description
Technical field
The present invention relates to a kind of applications for the package piece that insulate, and are used as more particularly, to cross-linking radiation silicon rubber and melt insulation package piece certainly
Application in the transformation of power distribution network insulating.
Background technology
The insulating materials of electric power network under the conditions of traditional technology is using plastics as base material, applies various adhesive and is combined into
Bilayer or three layers of insulating tape and pyrocondensation material（Or silicone rubber material）Insulation protective hood.But the insulation of plastic material
Adhesive tape and each material insulation protective hood are under field conditions (factors)（2-3）Year, aging speed quickly, insulating tape and insulation protective hood
Intensity, electrical insulating property, medium corrosion resistance etc. be decreased obviously, easily loosen, shift from power cable, cracking, even
It splits away off, electric leakage etc. is caused to use electrification.
Cross-linking radiation silicon rubber is modified silicon rubber by radiation and is prepared, which exists
While with good insulating performance, the corrosivity also with preferable anti-aging property and chemical species, service life compared with
It is long；And it is simple and efficient using process, application places are wide in range, will not be limited be subject to equipment contact shape, easy to maintenance；So as to
The security of electric power network is fundamentally ensured.
The content of the invention
It is an object of the invention to deficiencies according to prior art, provide cross-linking radiation silicon rubber and are used as and melt insulating bag certainly
Application of the piece in the transformation of power distribution network insulating.
The above-mentioned purpose of the present invention is achieved by following scheme：
Melt application of the insulation package piece in the transformation of power distribution network insulating as oneself the present invention provides cross-linking radiation silicon rubber.
The cross-linking radiation silicon rubber that the present invention uses while with good insulating performance, also with it is good heat dissipation and
Heat conductivility, coefficient of heat transfer are more than air dielectric, are slowed down by the charged bare conductor heating rate of its insulating protection, therefore can be with
Directly to by its insulating protection bare conductor image-forming temperature measurement, and traditional insulating tape or insulation protective hood then can not be anti-to insulating
Protect bare conductor direct imaging thermometric.Meanwhile cross-linking radiation silicon rubber also has hydrophobic, anaerobism, fire-retardant（From fiery self-extinguishment）Performance；
Service life is longer, guarantees 10 years.
Preferably, the cross-linking radiation silicon rubber is that silicon rubber carries out crosslinking with radiation in electron accelerator radiation appliance,
Irradiation dose is 3.6Mr, the degree of cross linking 30%.In the preparation process of cross-linking radiation silicon rubber equipment investment it is low, it is easy to operate, section
It can environmental protection, production efficiency height.Therefore, for the cost of cross-linking radiation silicon rubber compared with traditional silicon rubber, cost is lower, is general
The 1/2~2/3 of insulation protective hood cost.
Preferably, it is not added with chemical cross-linking agent in the cross-linking radiation silicon rubber.
Traditional silicon rubber is typically to use that the chemical cross-linking agents such as sulfide or organic peroxide is added to crosslink, so that
It obtains silicon rubber and reaches its performance requirement.But silicon rubber prepared by this method is in use, and crosslinking agent therein is easily dirty
Environment is contaminated, environmental requirement is not achieved.Meanwhile if used chemical cross-linking agent long-time（1 year or so）In high temperature and ultraviolet light
Under the conditions of, viscosity is lost, and then phenomena such as insulating tape or insulation protective hood is caused to crack, loosen, coming off.It is and of the invention
The crosslinking with radiation silicon rubber of middle use is by radiation effects, and the molecular state of silicon rubber is designed so that three points
One of silicon rubber strand be cross-linked into net structure, form the micro-elasticity body of silicon rubber；And two silicon rubber of its excess-three point
Strand still maintains linear structure, so as to remain the oneself viscosity of silicon rubber.I.e. crosslinking with radiation silicon rubber is being not added with handing over
In the case of joining agent, while there is micro-elasticity energy and viscosity, therefore, crosslinking with radiation silicon rubber is answered what power distribution network insulating was transformed
In, because it also has good croop property simultaneously, it will not be limited, be can be adapted for be subject to equipment contact irregular shape
Any irregular connection or the equipment contact of shape, the gap between better pad device contact, afterwards with usage time
Increase, the adhesive force of crosslinking with radiation silicon rubber is stronger, more not easily to fall off；In addition, crosslinking with radiation silicon rubber is gone back in use
Vacuum suction performance and its own good melting property certainly are make use of, even therefore for a long time under the conditions of high temperature and ultraviolet light
It uses, it also can not aging, situations such as not cracking, will not causing to loosen, come off；Crosslinking with radiation silicon rubber is almost true to equipment contact
Empty wrapping, while the drop of corrosion caused by moist and air acid and alkali corrosion, fever and current-carrying capacity can also be avoided
It is low.
Preferably, the use temperature range of the cross-linking radiation silicon rubber is -60~250 DEG C.
Preferably, the cross-linking radiation silicon rubber is 1mm, breakdown strength 30kV/ as the thickness that oneself melts insulation package piece
mm.The cross-linking radiation silicon rubber self-melting insulation package piece uses the gapless mode enclosing apparatus contact of wrapping two layers, you can resistance to
Phenomena such as pressure more than 35KV, insulation effect protrude, and nothing climbs electricity, flashover layer and water occurs.
Preferably, the voltage of power distribution network is 380V~10kV.
Preferably, cross-linking radiation silicon rubber be used as from melt insulation package piece switch cabinet busbar, transformer high-low-voltage side casing,
Aerial condutor drainage wire jumper, outdoor cable terminal, arrester connecting pin, low pressure row, outdoor cracking cable head, transmission line equipment
In application.
Compared with prior art, it is of the invention to have the following advantages and beneficial effect：
Cross-linking radiation silicon rubber provided by the invention is remained without chemical cross-linking agent, environmentally safe, has the excellent feature of environmental protection
Can, while also there is micro-elasticity energy, viscosity and croop property, it ensure that cross-linking radiation silicon rubber was being used as insulation package piece
Will not be limited in journey be subject to equipment contact irregular shape, gap that can preferably between pad device contact, afterwards with
The growth of usage time, the adhesive force of crosslinking with radiation silicon rubber is stronger, more not easily to fall off；For a long time in high temperature and ultraviolet light condition
Lower use, will not generate because aging caused by chemical cross-linking agent, cracking in addition loosen, come off situations such as；It can also keep away simultaneously
Exempt from corrosion, fever and the reduction of current-carrying capacity caused by moist and air acid and alkali corrosion, can efficiently ensure power cable
Safe operation.
Meanwhile cross-linking radiation silicon rubber has good heat dissipation and heat conductivility, it can be directly to naked by its insulating protection
Conductor image-forming temperature measurement；Also there is excellent high and low temperature resistance, can be used for a long time under the conditions of -60~250 DEG C, have excellent
Weatherability（Resistance to ozone, ultraviolet light, anticorrosion）, strong hydrophobicity, hinder right property by force, service life is up to more than 10.
In addition, the cost of cross-linking radiation silicon rubber is less than general insulation protective hood, and it exists as insulation package piece is melted certainly
During use, simplicity quick for installation without heating, without open fire, without professional tool, need to only remove lining directly winding and connect
Contacting surface, can be with Reusability.
Description of the drawings
Fig. 1 is the molecular chain structure state of ecosystem silicon rubber.Molecule is independent silicon oxygen bond in ecosystem silicon rubber
Linear structure.
Fig. 2 is the molecular chain structure state of cross-linking radiation silicon rubber.1/3rd silicon rubber in cross-linking radiation silicon rubber
Strand is cross-linked into net structure, forms the micro-elasticity body of silicon rubber.The strand of 2/3rds silicon rubber keeps linear structure,
Retain the oneself viscosity of silicon rubber.
Specific embodiment
The content further illustrated the present invention with reference to specific embodiment, but should not be construed as limiting the invention.
Without departing from the spirit and substance of the case in the present invention, the simple modifications or substitutions made to the method for the present invention, step or condition,
It all belongs to the scope of the present invention；Unless otherwise specified, technological means used in embodiment is well known to those skilled in the art
Conventional means.
Embodiment 1
2015, Dongguan City Chang'an power supply bureau is ensured the normal electricity consumption of the people and safety utilization of electric power, to carrying out this area
Power distribution network carries out insulating transformation.Wherein, in all insulationization transformation of 10KV overhead transmission lines, junction to all conducting wires,
The outer terminals junction both ends in overhead line and cable vault using crosslinking with radiation silicon rubber self-melting of the present invention insulation package piece into
Row encapsulating insulation processing；High-voltage switch, exposed stake are replaced using crosslinking with radiation silicon rubber self-melting of the present invention insulation package piece
The insulation protective hood of aging on the equipment contacts such as upper transformer high-voltage porcelain head, transformer fuse is whole, anti-for no insulation
The equipment contact of shield is also encapsulated using crosslinking with radiation silicon rubber self-melting of the present invention insulation package piece.
2016, Dongguan City Chang'an power supply bureau did not found used in this area's security of distribution network, insulating properties inspection
There is phenomena such as aging, cracking, loosen, come off in crosslinking with radiation silicon rubber self-melting insulation package piece, also for appearance because insulating properties is bad
Caused by safety conditions.
Claims (6)
1. cross-linking radiation silicon rubber melts application of the insulation package piece in the transformation of power distribution network insulating as oneself.
It 2. applies according to claim 1, which is characterized in that the cross-linking radiation silicon rubber is silicon rubber in electron accelerator
Crosslinking with radiation, irradiation dose 3.6Mr, the degree of cross linking 30% are carried out in radiation appliance.
It 3. applies according to claim 1, which is characterized in that be not added with chemical cross-linking agent in the cross-linking radiation silicon rubber.
It 4. applies according to claim 1, which is characterized in that the operating temperature range of the cross-linking radiation silicon rubber is -60
~250 DEG C.
It 5. applies according to claim 1, which is characterized in that the thickness of cross-linking radiation silicon rubber self-melting insulation package piece is
1mm, breakdown strength 30kV/mm.
It 6. applies according to claim 1, which is characterized in that the voltage of power distribution network is 380V~10kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165779.2A CN108122624A (en) | 2017-11-21 | 2017-11-21 | Application of irradiation crosslinked silicone rubber as self-melting insulation wrapping sheet in insulation transformation of power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165779.2A CN108122624A (en) | 2017-11-21 | 2017-11-21 | Application of irradiation crosslinked silicone rubber as self-melting insulation wrapping sheet in insulation transformation of power distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108122624A true CN108122624A (en) | 2018-06-05 |
Family
ID=62228532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711165779.2A Pending CN108122624A (en) | 2017-11-21 | 2017-11-21 | Application of irradiation crosslinked silicone rubber as self-melting insulation wrapping sheet in insulation transformation of power distribution network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108122624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116082846A (en) * | 2023-01-05 | 2023-05-09 | 湖南防灾科技有限公司 | Composition for composite silicone rubber material, preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492390A (en) * | 2011-12-12 | 2012-06-13 | 长春中科应化特种材料有限公司 | Silicon rubber self-melting belt and production method thereof |
| CN104194340A (en) * | 2014-09-11 | 2014-12-10 | 长春中科应化特种材料有限公司 | Porcelain refractory silicon rubber self-melting belt for radiation cross-linking and preparation method thereof |
-
2017
- 2017-11-21 CN CN201711165779.2A patent/CN108122624A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492390A (en) * | 2011-12-12 | 2012-06-13 | 长春中科应化特种材料有限公司 | Silicon rubber self-melting belt and production method thereof |
| CN104194340A (en) * | 2014-09-11 | 2014-12-10 | 长春中科应化特种材料有限公司 | Porcelain refractory silicon rubber self-melting belt for radiation cross-linking and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116082846A (en) * | 2023-01-05 | 2023-05-09 | 湖南防灾科技有限公司 | Composition for composite silicone rubber material, preparation method and application thereof |
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Application publication date: 20180605 |