CN109374516A - A kind of route suspended compound insulator surface dusting detection method - Google Patents
A kind of route suspended compound insulator surface dusting detection method Download PDFInfo
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- CN109374516A CN109374516A CN201811455237.3A CN201811455237A CN109374516A CN 109374516 A CN109374516 A CN 109374516A CN 201811455237 A CN201811455237 A CN 201811455237A CN 109374516 A CN109374516 A CN 109374516A
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- molecular diaphragm
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- composite insulator
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- 239000012212 insulator Substances 0.000 title claims abstract description 57
- 238000010410 dusting Methods 0.000 title claims abstract description 41
- 150000001875 compounds Chemical class 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000011368 organic material Substances 0.000 claims abstract description 4
- 239000003963 antioxidant agent Substances 0.000 claims description 15
- 230000003078 antioxidant effect Effects 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 125000005456 glyceride group Chemical group 0.000 claims description 3
- 238000005984 hydrogenation reaction Methods 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 3
- -1 tackifier Substances 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000003208 petroleum Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of route suspended compound insulator surface dusting detection methods, include the following steps: A: high-molecular diaphragm being pasted on composite insulator umbrella skirt surface, the high-molecular diaphragm is high-molecular organic material;B: while the high-molecular diaphragm and the composite insulator umbrella skirt are heated, so that the high-molecular diaphragm is stopped heating after molten state by Solid State Transformation;C: wait the high-molecular diaphragm natural cooling, after being changed into solid-state by molten state, open the high-molecular diaphragm;D: observing the high-molecular diaphragm, judge the surface of composite insulator whether dusting.Route suspended compound insulator provided by the invention surface dusting detection method removes pollution layer and dusting layer, the state for facilitating observation, judging surface of composite insulator by high-molecular diaphragm.
Description
Technical field
The present invention relates to transmission & distribution electro-technical fields, especially a kind of route suspended compound insulator surface dusting detection side
Method.
Background technique
Meeting aging after overhead transmission line rod type suspended compound insulator longtime running, one of feature are surface dusting.
Under high humidity environment, the Hydrophobicity of Composite Insulator of surface dusting is easy to lose, and antifouling work ability is substantially reduced, set to power transmission and transformation
Standby safe operation brings hidden danger." nominal voltage is higher than 1000V exchange overhead transmission line with compound exhausted to standard DL/T 864-2004
Edge uses directive/guide " regulation, it is answered after surface of composite insulator dusting out of service.
Human eye observation, but composite insulator longtime running are relied primarily on for the judgement of surface of composite insulator dusting at present
Rear surface contamination blackening, dusting layer are covered by pollution layer, and human eye observation will appear relatively large deviation, not accurate enough.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of route suspended compound insulator surface dusting detection methods, subtract
Few influence of the surface filth layer to the state for judging composite insulator.
The present invention provides a kind of route suspended compound insulator surface dusting detection methods, include the following steps:
A: high-molecular diaphragm is pasted on composite insulator umbrella skirt surface, the high-molecular diaphragm is high-molecular organic material;
B: while the high-molecular diaphragm and the composite insulator umbrella skirt are heated, so that the high-molecular diaphragm is turned by solid-state
Stop heating after becoming molten state;
C: after waiting the high-molecular diaphragm to be changed into solid-state by molten state, the high-molecular diaphragm is opened;
D: observing the high-molecular diaphragm, judge the surface of composite insulator whether dusting.
Further,
The high-molecular diaphragm includes following components: polymeric matrix, tackifier, filler and antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm is put into mixer and is blended;
S2: it is suppressed in press-forming machine;
S3: depanning after pressure maintaining is cooling.
Further,
The high-molecular diaphragm includes the component of following parts by weight: 60 ~ 75 parts of polymeric matrix, 32 ~ 38 parts of tackifier,
5 ~ 8 parts of filler and 0.5 ~ 0.9 part of antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm being put into mixer and is blended, and 12 ~ 18min of time is blended, and blending temperature is
140~158℃;
S2: suppressing in press-forming machine, and the pressing time is 6 ~ 18min, and press temperature is 120 ~ 140 DEG C;
S3: depanning after pressure maintaining is cooling;
In the step B, be heated to the high-molecular diaphragm and the composite insulator 100 ~ 135 DEG C and to continue 1.5 ~
3.5min。
Further,
The high-molecular diaphragm includes the component of following parts by weight: 65 ~ 70 parts of polymeric matrix, 35 ~ 37 parts of tackifier,
6 ~ 7 parts of filler and 0.6 ~ 0.7 part of antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm being put into mixer and is blended, and 14 ~ 16min of time is blended, and blending temperature is
145~150℃;
S2: suppressing in press-forming machine, and the pressing time is 9 ~ 15min, and press temperature is 125 ~ 135 DEG C;
S3: depanning after pressure maintaining is cooling;
In the step B, the high-molecular diaphragm and the composite insulator are heated to 120 ~ 130 DEG C and continue 2 ~ 3min.
Further,
The high-molecular diaphragm includes the component of following parts by weight: 67 parts of polymeric matrix, 36 parts of tackifier, 6.5 parts
Filler and 0.65 part of antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm being put into mixer and is blended, and time 15min, blending temperature 148 is blended
℃;
S2: suppressing in press-forming machine, pressing time 10min, and press temperature is 130 DEG C;
S3: depanning after pressure maintaining is cooling;
In the step B, the high-molecular diaphragm and the composite insulator are heated to 125 DEG C and continue 2.5min.
Further, in the step D, judge the surface of composite insulator whether the method for dusting: observe the height
Whether molecule membrane surface is stained with silicon rubber dusting layer.
Further, the polymeric matrix are as follows: ethylene-vinyl acetate copolymer or thermoplastic polyurethane polymer, institute
State tackifier are as follows: hydrogenation C5 Petropols or rosin glycerides, the filler are as follows: precipitated calcium carbonate or pitch, the antioxygen
Agent are as follows: antioxidant 246 or antioxidant 1010.
Route suspended compound insulator provided by the invention surface dusting detection method is removed filthy by high-molecular diaphragm
Layer and dusting layer, the state for facilitating observation, judging surface of composite insulator.
Detailed description of the invention
Fig. 1 is the flow chart of route suspended compound insulator of the present invention surface dusting detection method;
Fig. 2 is the test parameters table of verification test.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
A kind of route suspended compound insulator surface dusting detection method, as shown in Figure 1, including the following steps:
A: high-molecular diaphragm is pasted on composite insulator umbrella skirt surface, the high-molecular diaphragm is high-molecular organic material;
B: while the high-molecular diaphragm and the composite insulator umbrella skirt are heated, so that the high-molecular diaphragm is turned by solid-state
Stop heating after becoming molten state;
C: after waiting the high-molecular diaphragm to be changed into solid-state by molten state, it can be natural cooling, open the polymeric membrane
Piece;
D: observing whether the high-molecular diaphragm surface is stained with silicon rubber dusting layer, whether judges the surface of composite insulator
Dusting.
Surface of composite insulator pollution layer and dusting layer are a kind of polar groups, and the macromolecule containing polar group can be used
Material adsorbs it.According to " similar to mix " criterion, in the environment of heating, the polar group of high molecular material is transported in heat
It can be together with each other with filthy and dusting polar group under dynamic.It is solid-state under high-molecular diaphragm room temperature, places it in compound
It is heated after insulator surface, high-molecular diaphragm becomes molten state, dunghill/atomized particles and high score from solid-state at a certain temperature
Sub- diaphragm polar groups binding force is greater than the binding force of itself and silicone oil small molecule, stops heating polymeric membrane after temperature reduction
Piece becomes solid-state from molten state, then dunghill/atomized particles are adsorbed in high-molecular diaphragm, to reach the mesh of dusting detection
's.
The present invention is not influenced the dusting detection of composite insulator by weather conditions, can solve due to composite insulator
Surface filth layer covers the problem of caused eye-observation inaccuracy, does not cause to damage to composite insulator in detection process.Inspection
Surveying work can implement at the scene, do not need a composite insulator and dismantle from shaft tower, easy to operate, greatly reduce compound inslation
The working strength of son detection.
In one optional embodiment of the present embodiment, high-molecular diaphragm includes following components: polymeric matrix, tackifier,
Filler and antioxidant, wherein tackifier are used to increase the adhesion strength of high-molecular diaphragm;The filler is for shortening solidification
Time, and increase the intensity of the material;The antioxidant is used to prevent the aging of high-molecular diaphragm.The polymeric matrix
Are as follows: ethylene-vinyl acetate copolymer or thermoplastic polyurethane polymer, the tackifier are as follows: hydrogenation C5 Petropols or rosin
Glyceride, the filler are as follows: precipitated calcium carbonate or pitch, the antioxidant are as follows: antioxidant 246 or antioxidant 1010.It is described
The manufacturing method of high-molecular diaphragm includes the following steps: S1: each component of the high-molecular diaphragm is put into mixer altogether
It is mixed;S2: it is suppressed in press-forming machine;S3: depanning after pressure maintaining is cooling.
For the effect for verifying this case, verification test is made.
Test process:
The composite insulator for preparing 7 full filthy ginseng layers of surface covering and serious dusting, manufactures respectively according to the parameter in Fig. 2
Different high-molecular diaphragm out, and the pollution layer on composite insulator is removed under the corresponding conditions, according to high after the completion of test
The amount of molecule diaphragm surface silicon rubber dusting layer scores, and the high-molecular diaphragm after the completion of the test of 60 following presentations is nonadherent silicon
Rubber dusting layer can not judge the pulverized state of surface of composite insulator, after the completion of 60 tests indicated above by appearance
High-molecular diaphragm is stained with silicon rubber dusting layer, and the pulverized state of surface of composite insulator, and number can be judged by appearance
It is bigger to be worth the higher amount for indicating silicon rubber dusting layer, that is, more easily determining the pulverized state of surface of composite insulator.
As shown in Figure 2, according to the method for this case, observe, judge the state of surface of composite insulator with can be convenient.
The scope of protection of the present invention is not limited to this.Those skilled in the art are made equivalent on the basis of the present invention
Substitution or transformation, it is within the scope of the present invention.Protection scope of the present invention is subject to claims.
Claims (7)
1. a kind of route suspended compound insulator surface dusting detection method, which comprises the steps of:
A: high-molecular diaphragm is pasted on composite insulator umbrella skirt surface, the high-molecular diaphragm is high-molecular organic material;
B: while the high-molecular diaphragm and the composite insulator umbrella skirt are heated, so that the high-molecular diaphragm is turned by solid-state
Stop heating after becoming molten state;
C: after waiting the high-molecular diaphragm to be changed into solid-state by molten state, the high-molecular diaphragm is opened;
D: observing the high-molecular diaphragm, judge the surface of composite insulator whether dusting.
2. route suspended compound insulator described in claim 1 surface dusting detection method, which is characterized in that
The high-molecular diaphragm includes following components: polymeric matrix, tackifier, filler and antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm is put into mixer and is blended;
S2: it is suppressed in press-forming machine;
S3: depanning after pressure maintaining is cooling.
3. route suspended compound insulator as claimed in claim 2 surface dusting detection method, which is characterized in that
The high-molecular diaphragm includes the component of following parts by weight: 60 ~ 75 parts of polymeric matrix, 32 ~ 38 parts of tackifier,
5 ~ 8 parts of filler and 0.5 ~ 0.9 part of antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm being put into mixer and is blended, and 12 ~ 18min of time is blended, and blending temperature is
140~158℃;
S2: suppressing in press-forming machine, and the pressing time is 6 ~ 18min, and press temperature is 120 ~ 140 DEG C;
S3: depanning after pressure maintaining is cooling;
In the step B, be heated to the high-molecular diaphragm and the composite insulator 100 ~ 135 DEG C and to continue 1.5 ~
3.5min。
4. route suspended compound insulator as claimed in claim 3 surface dusting detection method, which is characterized in that
The high-molecular diaphragm includes the component of following parts by weight: 65 ~ 70 parts of polymeric matrix, 35 ~ 37 parts of tackifier,
6 ~ 7 parts of filler and 0.6 ~ 0.7 part of antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm being put into mixer and is blended, and 14 ~ 16min of time is blended, and blending temperature is
145~150℃;
S2: suppressing in press-forming machine, and the pressing time is 9 ~ 15min, and press temperature is 125 ~ 135 DEG C;
S3: depanning after pressure maintaining is cooling;
In the step B, the high-molecular diaphragm and the composite insulator are heated to 120 ~ 130 DEG C and continue 2 ~ 3min.
5. route suspended compound insulator as claimed in claim 4 surface dusting detection method, which is characterized in that
The high-molecular diaphragm includes the component of following parts by weight: 67 parts of polymeric matrix, 36 parts of tackifier, 6.5 parts
Filler and 0.65 part of antioxidant;
The manufacturing method of the high-molecular diaphragm includes the following steps:
S1: each component of the high-molecular diaphragm being put into mixer and is blended, and time 15min, blending temperature 148 is blended
℃;
S2: suppressing in press-forming machine, pressing time 10min, and press temperature is 130 DEG C;
S3: depanning after pressure maintaining is cooling;
In the step B, the high-molecular diaphragm and the composite insulator are heated to 125 DEG C and continue 2.5min.
6. route suspended compound insulator described in claim 1 surface dusting detection method, which is characterized in that the step D
In, judge the surface of composite insulator whether the method for dusting: observe whether the high-molecular diaphragm surface is stained with silicon rubber
Rubber powder layer.
7. any route suspended compound insulator surface dusting detection method of claim 2 ~ 5, which is characterized in that described
Polymeric matrix are as follows: ethylene-vinyl acetate copolymer or thermoplastic polyurethane polymer, the tackifier are as follows: hydrogenation C5 petroleum
Resin or rosin glycerides, the filler are as follows: precipitated calcium carbonate or pitch, the antioxidant are as follows: antioxidant 246 or antioxidant
1010。
Priority Applications (1)
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CN201811455237.3A CN109374516A (en) | 2018-11-30 | 2018-11-30 | A kind of route suspended compound insulator surface dusting detection method |
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CN201811455237.3A CN109374516A (en) | 2018-11-30 | 2018-11-30 | A kind of route suspended compound insulator surface dusting detection method |
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Publication Number | Publication Date |
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CN109374516A true CN109374516A (en) | 2019-02-22 |
Family
ID=65375482
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CN201811455237.3A Pending CN109374516A (en) | 2018-11-30 | 2018-11-30 | A kind of route suspended compound insulator surface dusting detection method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114034632A (en) * | 2021-11-18 | 2022-02-11 | 广东电网有限责任公司广州供电局 | Method for measuring aging degree of silicon rubber material |
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