CN107196246A - Silicon rubber insulator restorative procedure - Google Patents
Silicon rubber insulator restorative procedure Download PDFInfo
- Publication number
- CN107196246A CN107196246A CN201710404934.5A CN201710404934A CN107196246A CN 107196246 A CN107196246 A CN 107196246A CN 201710404934 A CN201710404934 A CN 201710404934A CN 107196246 A CN107196246 A CN 107196246A
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- China
- Prior art keywords
- silicon rubber
- rubber insulator
- restorative procedure
- insulator
- coating
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/16—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for repairing insulation or armouring of cables
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to insulation subdomains, a kind of silicon rubber insulator restorative procedure is disclosed, it is characterised in that the silicon rubber insulator restorative procedure comprises the following steps：(1) silicon rubber insulator surface dirt is cleaned；(2) high pressure resistant insulation encapsulant is coated to the silicon rubber insulator surface；Wherein, the high pressure resistant insulation encapsulant is the mixture of ethylene propylene diene rubber and organic silicon rubber.The method of the invention can make the silicon rubber insulator of aging have higher pressure voltage again, and its electric property fully meets application requirement.
Description
Technical field
The present invention relates to insulation subdomains, and in particular to silicon rubber insulator restorative procedure.
Background technology
Track traffic manufacturing industry power unit needs external electrical network to power, and stabilization energy is provided by pantograph, Semiconductor Converting Technology
Source motor work largely uses silicon rubber insulator, roof in operation so as to be powered for locomotive, EMUs for transformer substation system
Silicon rubber insulator inevitably bears harmful substance in sunshine, condensation, filth, bird pest, ice and snow, high humidity, the temperature difference and air
Etc. the voltage ageing such as atmospheric environment aging factor and highfield, lightning impulse current, the power frequency arc and electric current factor and permanent worker
Make the accelerated ageing effect of the mechanical aging factor such as load, comprehensive load, conductor galloping, due to locomotive or EMUs high speed fortune
OK, local fracture can occur for silicon rubber insulator micro molecule structure, and macro manifestations are cracked for material surface, electrical insulation capability
The premature ageing phenomenon that (electric property) is remarkably decreased, ultimately results in the distortion of silicon rubber compound insulator surface field.Silicon rubber
Insulator projected life is 5-10, because not repairing means and technology, break down the insulator for being accomplished by more renewing, wave
Take serious.
The content of the invention
There is provided silicon for the problem of wasting serious the invention aims to the silicon rubber insulator for overcoming prior art to exist
Rubber insulator restorative procedure.
To achieve these goals, one aspect of the present invention provides a kind of silicon rubber insulator restorative procedure, wherein, the silicon
Rubber insulator restorative procedure comprises the following steps：
(1) silicon rubber insulator full skirt surface dirt is cleaned；
(2) high pressure resistant insulation encapsulant is coated to the silicon rubber insulator surface；
Wherein, the high pressure resistant insulation encapsulant is the mixture of ethylene propylene diene rubber and organic silicon rubber.
The silicon rubber insulator restorative procedure of the present invention can reorganize and outfit the stage in locomotive, EMUs operation, enter in roof
The online repair of row, solves silicon rubber insulator cracking problem, and the electric property of the silicon rubber insulator after reparation meets mark
Alignment request, and then the service life (service life of silicon rubber insulator at most can reach 50 years) of extension silicon rubber insulator,
Reduce silicon rubber insulator and waste serious phenomenon, fill up the technological gap of silicon rubber insulator reparation.
Embodiment
The end points and any value of disclosed scope are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The present invention provides a kind of silicon rubber insulator restorative procedure, wherein, the silicon rubber insulator restorative procedure includes
Following steps：
(1) silicon rubber insulator surface dirt is cleaned；
(2) high pressure resistant insulation encapsulant is coated to the silicon rubber insulator surface；
Wherein, the high pressure resistant insulation encapsulant is the mixture of ethylene propylene diene rubber and organic silicon rubber.
According to the present invention, in step (1), the cleaning process can be used in cleaning insulator surface using existing
The cleaning agent of dust.Under preferable case, the cleaning agent used in the cleaning process in step (1) is alcohol.
According to the present invention, in order to improve under the electric property of the insulator after repairing, preferable case, the silicon rubber insulation
Sub- restorative procedure also includes：After step (1), before step (2), silicon rubber is repaired with the high pressure resistant insulation encapsulant
Insulator surface defect.
According to the present invention, the mixture of the ethylene propylene diene rubber and organic silicon rubber can pass through conventional mixed method
Ethylene propylene diene rubber and organic silicon rubber are mixed to get, for example, the mixed method can be：Ethylene propylene diene rubber and will have
Machine silicon rubber is mixed, and 30-90min is stirred at 20-50 DEG C.
According to the present invention, in order that the high pressure resistant insulation encapsulant of repairing and silicon rubber insulator surface damage position into
Under one and the electric property for improving the silicon rubber insulator after repairing, preferable case, in the high pressure resistant of the coating procedure
In insulating sealing materials, the weight ratio of the consumption of the ethylene propylene diene rubber and the organic silicon rubber is 4-6：1；Repaiied described
In the high pressure resistant insulation encapsulant for journey of making amends for one's faults, the weight ratio of the consumption of the ethylene propylene diene rubber and the organic silicon rubber is
1-2：1.It is stronger in the molecular activity of the high pressure resistant insulation encapsulant of the coating procedure of above-mentioned preferred embodiment, can be to original
0.01-0.03mm is goed deep on the surface of silicon rubber insulator, so that the silicon rubber insulator after repairing not only has well
Electric property, but also with good mechanical performance.
According to the present invention, the ethylene propylene diene rubber and the organic silicon rubber can be commercially available, for example, described
Ethylene propylene diene rubber can be Hong Dao new materials Science and Technology Ltd. of Shenzhen the trade mark be EP-15 commercially available product, it is described organic
Silicon rubber can be Zhou Lexiang organosilicons Science and Technology Ltd. the trade mark be LX-706 commercially available product.
In accordance with the present invention it is preferred that, the process of the repairing to repair obtained repairing face and original silicon rubber is exhausted
Edge surfacing.For example, the high pressure resistant insulation encapsulant carved and had more can be repaiied by metallic spatula.In the side of being preferable to carry out
In formula, the coating of subsequent coated process can be made evenly, and then improve the electric property of the silicon rubber insulator after repairing.
According to the present invention, in order that the materials process of repairing is more firm, under preferable case, after the mending course,
Before coating procedure, silicon rubber insulator is dried into 10-30min.
It is the further electric property for improving the silicon rubber insulator after repairing, the coating procedure point according to the present invention
Repeat for 2-5 times, per minor tick 3-10min.
It is the further electric property for improving the silicon rubber insulator after repairing according to the present invention, the coating procedure makes
The coating layer thickness that must be obtained is 0.05-3mm, preferably 0.2-1mm.
According to the present invention, the process of the coating can be the existing method that can be used for the applying coating on matrix,
For example, the coating procedure can be spraying or brushing.If the process of the coating is spraying, pneumatic watering can be used,
Will the high pressure resistant insulation encapsulant add in the pneumatic watering can, the nozzle by the pneumatic watering can is exhausted to silicon rubber
Edge sublist face is sprayed.
The present invention will be described in detail by way of examples below.In following examples, the silicon rubber insulation after reparation
The electric property of son is measured according to GB/T 775.2-2003；Ethylene propylene diene rubber is the limited public affairs of the great road new material science and technology in Shenzhen
The commercially available product that the trade mark is EP-15 is taken charge of, organic silicon rubber is that the Zhou Lexiang organosilicons Science and Technology Ltd. trade mark is the commercially available of LX-706
Product.
Embodiment 1
(1) with the silicon rubber insulator surface of alcohol washes aging, surface dirt of going out makes crackle high-visible；
(2) it is 1 according to weight ratio by ethylene propylene diene rubber and organic silicon rubber：1 ratio mixing, is stirred at 25 DEG C
60min, silicon rubber insulator surface damage position is repaired with obtained mixture, and repairs surface using metallic spatula, makes to repair
Coverlay and original silicon rubber insulator surfacing, dry 15min；
(3) it is 4 according to weight ratio by ethylene propylene diene rubber and organic silicon rubber：1 ratio mixing, is stirred at 25 DEG C
60min, obtained mixture is fitted into pneumatic watering can, using pneumatic watering can to silicon rubber insulator surface spraying, sprays part
Three times, every minor tick 5 minutes so that the thickness of coating is 1mm.
Embodiment 2
(1) with the silicon rubber insulator surface of alcohol washes aging, surface dirt of going out makes crackle high-visible；
(2) it is 2 according to weight ratio by ethylene propylene diene rubber and organic silicon rubber：1 ratio mixing, is stirred at 25 DEG C
30min, silicon rubber insulator surface damage position is repaired with obtained mixture, and repairs surface using metallic spatula, makes to repair
Coverlay and original silicon rubber insulator surfacing, dry 30min；
(3) it is 6 according to weight ratio by ethylene propylene diene rubber and organic silicon rubber：1 ratio mixing, is stirred at 25 DEG C
30min, obtained mixture is fitted into pneumatic watering can, using pneumatic watering can to silicon rubber insulator surface spraying, sprays part
Three times, every minor tick 10 minutes so that the thickness of coating is 0.5mm.
Embodiment 3
(1) with the silicon rubber insulator surface of alcohol washes aging, surface dirt of going out makes crackle high-visible；
(2) it is 1.5 according to weight ratio by ethylene propylene diene rubber and organic silicon rubber：1 ratio mixing, is stirred at 25 DEG C
60min, silicon rubber insulator surface damage position is repaired with obtained mixture, and repairs surface using metallic spatula, makes to repair
Coverlay and original silicon rubber insulator surfacing, dry 20min；
(3) it is 5 according to weight ratio by ethylene propylene diene rubber and organic silicon rubber：1 ratio mixing, is stirred at 25 DEG C
60min, obtained mixture is fitted into pneumatic watering can, using pneumatic watering can to silicon rubber insulator surface spraying, sprays part
Three times, every minor tick 3 minutes so that the thickness of coating is 0.2mm.
Embodiment 4
The silicon rubber insulator of aging is repaired according to the method for embodiment 1, unlike, not including step (2).
Test case
According to GB/T 775.2-2003《Insulator test method》Part 2 electrical test method embodiment 1-4 is repaiied
Silicon rubber insulator after multiple carries out pressure voltage test, as a result as shown in table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Pressure voltage/KV | 55 | 52 | 54 | 40 |
It can be seen from the result of table 1 the method for the invention can make the silicon rubber insulator of aging have again compared with
High pressure voltage, its electric property fully meets application requirement (19-25KV).
The preferred embodiment of the present invention described in detail above, still, the present invention is not limited thereto.In the skill of the present invention
In art concept, technical scheme can be carried out a variety of simple variants, including each technical characteristic with it is any its
Its suitable method is combined, and these simple variants and combination should equally be considered as content disclosed in this invention, belong to
Protection scope of the present invention.
Claims (10)
1. a kind of silicon rubber insulator restorative procedure, it is characterised in that the silicon rubber insulator restorative procedure includes following step
Suddenly：
(1) silicon rubber insulator surface dirt is cleaned；
(2) high pressure resistant insulation encapsulant is coated to the silicon rubber insulator surface；
Wherein, the high pressure resistant insulation encapsulant is the mixture of ethylene propylene diene rubber and organic silicon rubber.
2. silicon rubber insulator restorative procedure according to claim 1, wherein, the silicon rubber insulator restorative procedure is also
Including：After step (1), before step (2), repair silicon rubber insulator surface with the high pressure resistant insulation encapsulant and lack
Damage position.
3. silicon rubber insulator restorative procedure according to claim 2, wherein, in the high pressure resistant insulation of the coating procedure
In encapsulant, the weight ratio of the consumption of the ethylene propylene diene rubber and the organic silicon rubber is 4-6：1；Repaired described
In the high pressure resistant insulation encapsulant of journey, the weight ratio of the consumption of the ethylene propylene diene rubber and the organic silicon rubber is 1-2：
1。
4. the silicon rubber insulator restorative procedure according to Claims 2 or 3, wherein, the mending course to repair
The repairing face arrived and original silicon rubber insulator surfacing.
5. the silicon rubber insulator restorative procedure according to Claims 2 or 3, wherein, after the mending course, coating
Before process, silicon rubber insulator is dried into 10-30min.
6. the silicon rubber insulator restorative procedure according to any one in claim 1-3, wherein, the coating procedure point
Repeat for 2-5 times, per minor tick 3-10min.
7. the silicon rubber insulator restorative procedure according to any one in claim 1-3, wherein, the coating procedure makes
The coating layer thickness that must be obtained is 0.05-3mm.
8. silicon rubber insulator restorative procedure according to claim 7, wherein, the coating procedure causes obtained coating
Thickness is 0.2-1mm.
9. the silicon rubber insulator restorative procedure according to any one in claim 1-3, wherein, the coating procedure is
Spraying is brushed.
10. the silicon rubber insulator restorative procedure according to any one in claim 1-3, wherein, it is clear in step (1)
The cleaning agent used during washing is alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404934.5A CN107196246A (en) | 2017-06-01 | 2017-06-01 | Silicon rubber insulator restorative procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404934.5A CN107196246A (en) | 2017-06-01 | 2017-06-01 | Silicon rubber insulator restorative procedure |
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| Publication Number | Publication Date |
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| CN107196246A true CN107196246A (en) | 2017-09-22 |
Family
ID=59876781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710404934.5A Pending CN107196246A (en) | 2017-06-01 | 2017-06-01 | Silicon rubber insulator restorative procedure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493888A (en) * | 2018-04-24 | 2018-09-04 | 长园电力技术有限公司 | A kind of water-proof cable head and preparation method thereof |
| CN109148060A (en) * | 2018-09-29 | 2019-01-04 | 江苏神马电力股份有限公司 | The preparation method of umbrella cover, electrical equipment and umbrella cover |
| CN112951527A (en) * | 2021-02-02 | 2021-06-11 | 中国科学院电工研究所 | Solid insulation surface crack repairing method and repairing device thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753284A (en) * | 1970-09-30 | 1973-08-21 | Siemens Ag | Method for repairing insulated high voltage line |
| CN202307378U (en) * | 2011-10-21 | 2012-07-04 | 天津市新玻电力复合绝缘子制造有限公司 | Composite insulator |
| CN103219111A (en) * | 2013-03-27 | 2013-07-24 | 河北硅谷化工有限公司 | Repairing method for silicon rubber casing pipe ageing |
| CN103545068A (en) * | 2013-09-26 | 2014-01-29 | 国家电网公司 | Method for performing repairing renovation on surfaces of aged composite insulators |
| CN103545750A (en) * | 2013-09-26 | 2014-01-29 | 国家电网公司 | Method for repairing composite insulator testing sampling part |
| CN104672908A (en) * | 2013-11-30 | 2015-06-03 | 王红亚 | Modification method of silicone rubber |
-
2017
- 2017-06-01 CN CN201710404934.5A patent/CN107196246A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753284A (en) * | 1970-09-30 | 1973-08-21 | Siemens Ag | Method for repairing insulated high voltage line |
| CN202307378U (en) * | 2011-10-21 | 2012-07-04 | 天津市新玻电力复合绝缘子制造有限公司 | Composite insulator |
| CN103219111A (en) * | 2013-03-27 | 2013-07-24 | 河北硅谷化工有限公司 | Repairing method for silicon rubber casing pipe ageing |
| CN103545068A (en) * | 2013-09-26 | 2014-01-29 | 国家电网公司 | Method for performing repairing renovation on surfaces of aged composite insulators |
| CN103545750A (en) * | 2013-09-26 | 2014-01-29 | 国家电网公司 | Method for repairing composite insulator testing sampling part |
| CN104672908A (en) * | 2013-11-30 | 2015-06-03 | 王红亚 | Modification method of silicone rubber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493888A (en) * | 2018-04-24 | 2018-09-04 | 长园电力技术有限公司 | A kind of water-proof cable head and preparation method thereof |
| CN109148060A (en) * | 2018-09-29 | 2019-01-04 | 江苏神马电力股份有限公司 | The preparation method of umbrella cover, electrical equipment and umbrella cover |
| CN112951527A (en) * | 2021-02-02 | 2021-06-11 | 中国科学院电工研究所 | Solid insulation surface crack repairing method and repairing device thereof |
| CN112951527B (en) * | 2021-02-02 | 2023-12-05 | 中国科学院电工研究所 | Solid insulating surface crack repairing method and repairing device thereof |
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Application publication date: 20170922 |