CN105067761B - A kind of silicone rubber insulation material migration of hydrophobicity method of testing - Google Patents
A kind of silicone rubber insulation material migration of hydrophobicity method of testing Download PDFInfo
- Publication number
- CN105067761B CN105067761B CN201510428549.5A CN201510428549A CN105067761B CN 105067761 B CN105067761 B CN 105067761B CN 201510428549 A CN201510428549 A CN 201510428549A CN 105067761 B CN105067761 B CN 105067761B
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- Prior art keywords
- silicone rubber
- insulation material
- rubber insulation
- filth
- hydrophobicity
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 32
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 29
- 239000012774 insulation material Substances 0.000 title claims abstract description 28
- 238000013508 migration Methods 0.000 title claims abstract description 23
- 230000005012 migration Effects 0.000 title claims abstract description 23
- 238000010998 test method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000012153 distilled water Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008595 infiltration Effects 0.000 claims abstract description 7
- 238000001764 infiltration Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000005201 scrubbing Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 15
- 239000012212 insulator Substances 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of silicone rubber insulation material migration of hydrophobicity method of testing, it is technically characterized by comprising the steps as follows:, and obtain at the scene can the filth of accurate representation insulator surface state；The pollution severity of insulators obtained scene in laboratory carries out pretreatment, removes the larger particles in filth, and weighs quantitative filth；In measuring cup, pour a certain amount of distilled water into and be uniformly scattered in the most filthy in measuring cup and timing along the water surface, during until all filths are distilled water infiltration and sink down at the bottom of measuring cup cup, the infiltrating time that record is filthy；The hydrophobicity migration performance rank of insulator surface is judged according to filthy infiltrating time.The present invention is reasonable in design, it may not be necessary to win operation insulator, reduces the workload in test and security risk；The testing equipment used is simple, it is only necessary to timer, electronic weigher, measuring cup and distilled water；Test result is preferable with conventional test methodologies (water spray staging) concordance, genuine and believable.
Description
Technical field
The invention belongs to silicone rubber migration of hydrophobicity technical field of measurement and test, especially a kind of silicone rubber insulation material
Migration of hydrophobicity method of testing.
Background technology
External insulation pollution flashover problem is always the one of safe operation of power system and threatens greatly.Silicon rubber compound insulator
With the antifouling property that RTV antifouling flush paint shows excellence because of its migration of hydrophobicity, quilt in China's electrical network
A large amount of uses.But, along with run the time growth, silastic material the most aging and filthy not
Disconnected deposition can make the decline of insulator surface hydrophobicity even lose, and directly results in its resistant level and is greatly reduced.
Therefore, the migration of hydrophobicity of composite insulator and RTV coating for many years is run as state evaluation and degree of aging
The key parameter judged, has important Research Significance.
At present, the migration of hydrophobicity on test silicon rubber insulation material surface mainly use water spray staging (HC divides
Level method) and Static Contact horn cupping, the thinking of both approaches is to be contacted with large-area filth by a small amount of water,
The degree of mixing according to two kinds of materials judges the power of migration of hydrophobicity, but, both the above method be both needed to by
Take from circuit with filthy operation insulator and deliver to test chamber and test, on the one hand affect electrical network
Properly functioning, on the other hand during winning insulator, also bring higher security risk.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of reasonable in design, method is easy and
The silicone rubber insulation material migration of hydrophobicity method of testing that test accuracy is high.
The present invention solves it and technical problem is that and take techniques below scheme to realize:
A kind of silicone rubber insulation material migration of hydrophobicity method of testing, comprises the following steps:
Step 1, obtaining at the scene can the filth of accurate representation silicone rubber insulation material apparent condition；
Step 2, the silicone rubber insulation material surface filth obtained scene in laboratory carry out pretreatment, go
Larger particles during scrubbing is dirty, and weigh quantitative filth；
Step 3, in measuring cup, pour a certain amount of distilled water into and by the quantitatively filthy measuring cup that is uniformly scattered in along the water surface
In and timing, until all filths are when being distilled water infiltration and sink down at the bottom of measuring cup cup, the infiltration that record is filthy
Time；
Step 4, judge the migration of hydrophobicity energy level on silicone rubber insulation material surface according to filthy infiltrating time
Not.
And, described step 1 method particularly includes: select fair weather and the air humidity bar less than 60%
Part, runs silicone rubber insulation material surface filth by hairbrush swipe, is loaded in hermetic container.
And, the environmental requirement of described laboratory is: room temperature is 25 DEG C, and relative humidity is 40%.
And, the diameter of described measuring cup is more than 10cm.
And, described quantitative filth is 10g, and distilled water is 500ml.
Advantages of the present invention and good effect be:
The present invention is from the essence of silicone rubber insulation material migration of hydrophobicity, from silicone rubber insulation material surface
Obtain filth, a small amount of filthy and large-area water contact, and according to the infiltration degree judgement silicon rubber of filth
The power of glue insulant migration of hydrophobicity, it may not be necessary to win operation silicone rubber insulation material, reduce test
In workload and security risk；The testing equipment used is simple, it is only necessary to timer, electronic weigher,
Measuring cup and distilled water；Test result is preferable with conventional test methodologies (water spray staging) concordance, truly may be used
Letter.
Accompanying drawing explanation
Fig. 1 is the test philosophy figure of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
A kind of silicone rubber insulation material migration of hydrophobicity method of testing, as it is shown in figure 1, comprise the following steps:
Step 1, obtaining at the scene can the filth of accurate representation silicone rubber insulation material apparent condition.
Select fair weather, under conditions of air humidity is not more than 60%, run silicone rubber by hairbrush swipe exhausted
Edge material surface is filthy, is loaded in hermetic container (such as, plastic bag), characterizes silicone rubber insulation material table
The state in face.
Step 2, the silicone rubber insulation material surface filth obtained scene in laboratory carry out pretreatment, go
The larger particles such as the dirty interior gravel of scrubbing, and it is standby to weigh 10g, laboratory keeps room temperature 25 DEG C, relative humidity
The state of 40%.
Step 3, in the diameter measuring cup not less than 10cm, pour 500ml distilled water into, by filthy for 10g along water
Face is uniformly scattered in measuring cup and timing, during until all filths are distilled water infiltration and sink down at the bottom of measuring cup cup,
The infiltrating time that record is filthy.
Step 4, judge the tax increase animal migration energy level on silicone rubber insulation material surface according to filthy infiltrating time
Not.
According to substantial amounts of contrast test, the present invention and traditional water spray analytic process (HC method) have preferable one
Cause property, corresponding result is as shown in the table:
Table 1 infiltrating time table corresponding with HC classification
| Filthy infiltrating time (hour) | HC classification |
| 0—2 | 7 |
| 2-6 | 6 |
| 6-12 | 5 |
| 12-24 | 4 |
| 24-48 | 3 |
| 48-72 | 2 |
| More than 72 | 1 |
It is emphasized that embodiment of the present invention is illustrative rather than determinate, therefore
The present invention includes the embodiment being not limited to described in detailed description of the invention, every by those skilled in the art's root
Other embodiments drawn according to technical scheme, also belong to the scope of protection of the invention.
Claims (5)
1. a silicone rubber insulation material migration of hydrophobicity method of testing, it is characterised in that comprise the following steps:
Step 1, obtaining at the scene can the filth of accurate representation silicone rubber insulation material apparent condition；
Step 2, the silicone rubber insulation material surface filth obtained scene in laboratory carry out pretreatment, go
Larger particles during scrubbing is dirty, and weigh quantitative filth；
Step 3, in measuring cup, pour a certain amount of distilled water into and by the quantitatively filthy measuring cup that is uniformly scattered in along the water surface
In and timing, until all filths are when being distilled water infiltration and sink down at the bottom of measuring cup cup, the infiltration that record is filthy
Time；
Step 4, judge the migration of hydrophobicity energy level on silicone rubber insulation material surface according to filthy infiltrating time
Not.
A kind of silicone rubber insulation material migration of hydrophobicity method of testing the most according to claim 1, it is special
Levy and be: described step 1 method particularly includes: select fair weather and the air humidity condition less than 60%,
Run silicone rubber insulation material surface filth by hairbrush swipe, be loaded in hermetic container.
A kind of silicone rubber insulation material migration of hydrophobicity method of testing the most according to claim 1, it is special
Levying and be: the environmental requirement of described laboratory is: room temperature is 25 DEG C, relative humidity is 40%.
A kind of silicone rubber insulation material migration of hydrophobicity method of testing the most according to claim 1, it is special
Levy and be: the diameter of described measuring cup is more than 10cm.
A kind of silicone rubber insulation material migration of hydrophobicity method of testing the most according to claim 1, it is special
Levying and be: described quantitative filth is 10g, distilled water is 500ml.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428549.5A CN105067761B (en) | 2015-07-21 | 2015-07-21 | A kind of silicone rubber insulation material migration of hydrophobicity method of testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428549.5A CN105067761B (en) | 2015-07-21 | 2015-07-21 | A kind of silicone rubber insulation material migration of hydrophobicity method of testing |
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| Publication Number | Publication Date |
|---|---|
| CN105067761A CN105067761A (en) | 2015-11-18 |
| CN105067761B true CN105067761B (en) | 2016-08-24 |
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| CN201510428549.5A Active CN105067761B (en) | 2015-07-21 | 2015-07-21 | A kind of silicone rubber insulation material migration of hydrophobicity method of testing |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248917A (en) * | 2016-08-03 | 2016-12-21 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of power station equipment liquid silastic aging assessment |
| CN106489709B (en) * | 2016-10-20 | 2019-03-08 | 清华大学深圳研究生院 | A method of algae is cultivated on composite insulating material surface |
| CN106769819B (en) * | 2016-12-06 | 2020-03-06 | 哈尔滨理工大学 | Pollution aging test method for silicone rubber insulator |
| CN109298006A (en) * | 2018-08-31 | 2019-02-01 | 全球能源互联网研究院有限公司 | A kind of evaluation method and device of Hydrophobicity of Composite Insulator and migration of hydrophobicity |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1295906A1 (en) * | 2001-09-20 | 2003-03-26 | Degussa AG | Silicone rubber formulations containing hydrophobic silica |
| CN202101865U (en) * | 2011-06-30 | 2012-01-04 | 天津市电力公司 | Electrified sampling tool for detecting hydrophobicity migration performance of silicon rubber external-insulation electric appliance |
| CN103196799A (en) * | 2013-04-10 | 2013-07-10 | 国家电网公司 | RTV (Room Temperature Vulcanization silicone rubber) hydrophobicity testing device |
| CN203849074U (en) * | 2014-05-29 | 2014-09-24 | 国家电网公司 | Room temperature curing silicone rubber (RTV) sample surface contaminant application oscillator |
-
2015
- 2015-07-21 CN CN201510428549.5A patent/CN105067761B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1295906A1 (en) * | 2001-09-20 | 2003-03-26 | Degussa AG | Silicone rubber formulations containing hydrophobic silica |
| CN202101865U (en) * | 2011-06-30 | 2012-01-04 | 天津市电力公司 | Electrified sampling tool for detecting hydrophobicity migration performance of silicon rubber external-insulation electric appliance |
| CN103196799A (en) * | 2013-04-10 | 2013-07-10 | 国家电网公司 | RTV (Room Temperature Vulcanization silicone rubber) hydrophobicity testing device |
| CN203849074U (en) * | 2014-05-29 | 2014-09-24 | 国家电网公司 | Room temperature curing silicone rubber (RTV) sample surface contaminant application oscillator |
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| Publication number | Publication date |
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| CN105067761A (en) | 2015-11-18 |
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Effective date of registration: 20190910 Address after: 300457 days Tianjin Binhai New Area, Tianjin Eco-city, No. 126 Animation and Animation Center C Zone 209 (TG 750) Co-patentee after: State Grid Tianjin Electric Power Company Patentee after: State Grid (Tianjin) Integrated Energy Services Co., Ltd. Co-patentee after: State Grid Corporation of China Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Co-patentee before: State Grid Corporation of China Patentee before: State Grid Tianjin Electric Power Company |