CN110728888A - Ice-coated insulator test simulation electrode and manufacturing method thereof - Google Patents
Ice-coated insulator test simulation electrode and manufacturing method thereof Download PDFInfo
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- CN110728888A CN110728888A CN201910880296.3A CN201910880296A CN110728888A CN 110728888 A CN110728888 A CN 110728888A CN 201910880296 A CN201910880296 A CN 201910880296A CN 110728888 A CN110728888 A CN 110728888A
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- 239000012212 insulator Substances 0.000 title claims abstract description 30
- 238000004088 simulation Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000008014 freezing Effects 0.000 claims description 14
- 238000007710 freezing Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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Abstract
The invention belongs to the technical field of power equipment tests, and particularly relates to an icing insulator test simulation electrode and a manufacturing method thereof. The invention comprises two pipes which are oppositely arranged, wherein one end of each pipe is a pipe tip end which is of a conical structure; the other end of the tube is a tail end which is in an open state; one ends of the two electrodes are respectively inserted into the openings at the tail ends of the two tubes and are positioned at the center of the tubes; the tail ends of the two electrodes are fixedly connected to the fixed flat plate; the two fixed flat plates are oppositely arranged, the two pipes are horizontally oppositely arranged, and the tips of the two pipes are oppositely arranged. The invention can realize the small-scale simulation test research of the icing insulator in a laboratory, has the characteristics of simple structure, convenient operation, simple manufacture, low cost and convenient observation, and is suitable for popularization and application in the technical field of power equipment tests.
Description
Technical Field
The invention belongs to the technical field of power equipment tests, and particularly relates to an icing insulator test simulation electrode and a manufacturing method thereof.
Background
Insulators are common equipment in power transmission and distribution and are the most applied equipment. The insulator, especially the insulator chain, mainly plays the effects of insulation, support and the like between the lead and the tower. In cold or wet and cold weather in winter, ice or snow is easily coated on the surface of the insulator, and if the ice or snow is not removed in time, flashover failure is easily caused. In order to research the insulator flashover under ice, the mechanism of initiating partial arc discharge before flashover needs to be researched, the common true test needs to manually spray water in laboratories such as a test hall and the like to make ice, the test scale is large, and the cost is high.
Disclosure of Invention
The invention provides an icing insulator test simulation electrode and a manufacturing method thereof, aiming at solving the problems in the prior art and providing a manufacturing method of the icing insulator test simulation electrode for carrying out simulation icing insulator discharge mechanism test research in a laboratory. The method can be used for developing a discharge test at low cost in a laboratory and is used for the experimental research of a discharge mechanism under different gaps and the like under ice coating.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the icing insulator test simulation electrode comprises two pipes which are oppositely arranged, wherein one end of each pipe is a pipe tip, and the pipe tip is of a conical structure; the other end of the tube is a tail end which is in an open state; one ends of the two electrodes are respectively inserted into the openings at the tail ends of the two tubes and are positioned at the center of the tubes; the tail ends of the two electrodes are fixedly connected to the fixed flat plate; the two fixed flat plates are oppositely arranged, the two pipes are horizontally oppositely arranged, and the tips of the two pipes are oppositely arranged.
The pipe is a cylindrical pipe or a cubic bobbin; the tube is made of transparent materials, including plastic and glass.
The diameter of the tube is 20mm-50mm, the length of the tube is 200mm-300mm, and the diameter of the tube is larger than that of the electrode.
The tube tips of the two tubes are opposite, and the gap is set to be between 1mm and 100 mm.
The tube is filled with water, and the electrodes are fixed in the tube after being frozen into ice.
The distance between one end of the electrode and the top of the tube tip of the tube is adjustable and ranges from 20mm to 30 mm.
The diameter of the electrode is 15mm-45 mm.
The distance between the two fixed flat plates is adjustable and ranges from 1mm to 100 mm; the fixed flat plate is connected with the electrode through glue bonding or bolts; the other side of the fixed flat plate is connected with a bracket.
The method for manufacturing the simulation electrode for the ice-coated insulator test comprises the steps of firstly manufacturing two plastic cylindrical pipes, filling water into the two plastic cylindrical pipes, respectively placing two electrodes with the diameter smaller than that of the plastic cylindrical pipes into the two plastic cylindrical pipes, keeping a distance between the front ends of the two plastic cylindrical pipes and the conical top points of the tips of the plastic cylindrical pipes, and fixing the plastic cylindrical pipes at the central parts of the plastic cylindrical pipes; then the tube and the electrode are put into a freezing box for freezing; freezing for 30 minutes to 3 hours at a temperature of between-5 and-30 ℃; after the frozen tube is taken out, the two tubes are horizontally arranged oppositely, and the tips of the tubes of the two tubes are opposite; the ends of the two electrodes are respectively connected to the two fixed flat plates, and the gap between the tube tips of the two tubes is set to be 1mm-100mm so as to meet different test requirements.
The diameter of the tube, the diameter of the electrode, the angle of the conical apex angle of the tube tip, the distance between the tube tips of the two tubes, the distance between one end of the electrode and the top of the tube tip, and the distance between the two fixed plates satisfy the above-mentioned ranges.
The invention has the advantages and beneficial effects that:
the invention can realize the small-scale simulation test research of the icing insulator in a laboratory, has the characteristics of simple structure, convenient operation, simple manufacture, low cost and convenient observation, and is suitable for popularization and application in the technical field of power equipment tests.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of the structure of an ice-coated electrode according to the present invention;
FIG. 2 is a schematic diagram of the experimental setup for the research of the discharge mechanism of the ice-coated electrode of the present invention.
In the figure: tube 1, electrode 2, tube tip 3, fixation plate 4, water 5.
Detailed Description
Example 1:
the invention discloses an icing insulator test simulation electrode, which is shown in figure 1, wherein figure 1 is a schematic diagram for manufacturing the icing electrode. The method comprises the following steps: two tubes 1, the diameter of the tubes being 20mm-50mm and the length of the tubes being 200mm-300mm, the diameter of the tubes 1 being greater than the diameter of the electrodes 2. One end of the tube 1 is a tube tip 3, and the tube tip 3 is of a conical structure with an apex angle of 120-150 °. The other end of the tube 1 is a terminal end, which is in an open state.
The tube 1 may be a cylindrical tube or a cubic tube, and the tube 1 may be made of a transparent material, such as plastic or glass, and the like.
The front ends of the two electrodes 2 are inserted into the openings at the ends of the two tubes 1, respectively, and are located at the center of the tubes, so that the distance between the front ends of the electrodes 2 and the top of the tube tip 3 of the tube 1 is adjustable, and is generally 20mm to 30 mm. The ends of the two electrodes 2 are fixedly connected to a fixed plate 4. The diameter of the electrode 2 is 15mm-45mm, which is smaller than the diameter of the tube.
The two fixed flat plates 4 are oppositely arranged, the distance between the two fixed flat plates 4 is adjustable, and the range is 1mm-100 mm.
The two tubes 1 are horizontally arranged oppositely, the tips 3 of the two tubes are opposite, and the gap is set to be 1mm-100 mm.
The tube 1 is filled with water 5, and after freezing to ice, the electrode 2 is fixed in the tube 1.
The invention discloses a method for manufacturing an icing insulator test simulation electrode, which is shown in figure 2, wherein figure 2 is a schematic diagram of a discharge mechanism research test of the icing electrode. The method comprises the following steps:
first two plastic cylindrical tubes 1 are made, the diameter of which is 20mm, the head of which is conical in shape with a tip 3 at an apex angle of 150. Two plastic tubes 1 were filled with water, and two electrodes 2 having a diameter of 15mm were respectively placed in the two plastic tubes 1, the front end of the electrode 2 was spaced 25mm from the conical apex of the tube tip 3, and the electrode 2 was fixed at the center of the tube. The plastic tube 1 and the electrode 2 are then placed in a freezer for freezing. Freezing time is 30 minutes to 3 hours, temperature is 5-30 ℃ below zero, after freezing and taking out, two plastic pipes 1 are horizontally arranged in an opposite mode, and the pipe tips 3 of the two plastic pipes 1 are opposite. Meanwhile, the tail ends of the two electrodes are connected to the two fixing flat plates 4, the other fixing flat plate 4 is connected with a support, the fixing flat plates 4 are enabled to be in a state of being vertical to the horizontal plane, the two supports can adopt universal triangular supports and the like, and the supports are connected with the fixing flat plates through screws to play a role in fixing the fixing flat plates. The adjustable range of the distance between the two fixed flat plates 4 is 1mm-100mm, so that the gap between the tube tips 3 of the two plastic tubes 1 can be set between 1mm-100mm to meet different test requirements. For example, consider the characteristics of a discharge at different gaps of 1mm, 5mm, etc.
In operation, voltage is applied to the electrodes until the two tube tips discharge, and the relationship between the starting voltage and the gap is observed.
Example 2:
the invention relates to an icing insulator test simulation electrode, which comprises: two plastic cylindrical tubes 1, the diameter of the tubes being 20mm, the length of the tubes being 200mm, the diameter of the tubes 1 being greater than the diameter of the electrodes 2. One end of the tube 1 is a tube tip 3, and the tube tip 3 is of a conical configuration with an apex angle of 150 °. The other end of the tube 1 is a terminal end, which is in an open state.
The front ends of two electrodes 2 with a diameter of 15mm are respectively inserted into the openings of the ends of two tubes 1 and are positioned at the center of the tubes so that the distance between the front ends of the electrodes 2 and the top of the tube tip 3 of the tube 1 is 25mm, and the ends of the two electrodes 2 are fixedly connected to a fixed plate 4. The two fixed flat plates 4 are oppositely arranged, and the distance between the two fixed flat plates 4 is 100 mm.
The two tubes 1 are horizontally opposed, the two tube tips 3 are opposed, and the gap range is set to 10 mm.
The tube 1 is filled with water 5, and after freezing to ice, the electrode 2 is fixed in the tube 1.
The invention discloses a method for manufacturing an icing insulator test simulation electrode, which is shown in figure 2, wherein figure 2 is a schematic diagram of a discharge mechanism research test of the icing electrode. The method comprises the following steps:
first two plastic cylindrical tubes 1 are made, the diameter of which is 20mm, the head of which is conical in shape with a tip 3 at an apex angle of 150. Two plastic tubes 1 were filled with water, and two electrodes 2 having a diameter of 15mm were respectively placed in the two plastic tubes 1, the front end of the electrode 2 was spaced 25mm from the conical apex of the tube tip 3, and the electrode 2 was fixed at the center of the tube. The plastic tube 1 and the electrode 2 are then placed in a freezer for freezing. The freezing time is 1 hour, the temperature is 20 ℃ below zero, after the freezing is taken out, two plastic pipes 1 are horizontally arranged in an opposite mode, and the pipe tips 3 of the two plastic pipes 1 are opposite. Meanwhile, the tail ends of the two electrodes are connected to one side surfaces of the two fixed flat plates 4, and the fixed flat plates 4 are connected with the electrodes 2 through glue bonding or bolts; the other side of the fixed flat plate 4 is connected with a bracket, so that the fixed flat plate 4 is vertical to the plane.
The support is fixedly connected with the fixed flat plate 4 through screws. The distance between the two fixed plates 4 is adjustable, in the range of 100mm, so that the gap between the tube tips 3 of the two plastic tubes 1 can be set between 10mm to meet different test requirements. In operation, voltage is applied to the electrodes until the two tube tips discharge, and the relationship between the starting voltage and the gap is observed.
The above examples are only used to illustrate the technical solutions of the present invention, but not to limit the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. Icing insulator test simulation electrode, characterized by: comprises two pipes (1) which are oppositely arranged, wherein one end of each pipe (1) is a pipe tip (3), and each pipe tip (3) is of a conical structure; the other end of the tube (1) is a tail end which is in an open state; one ends of the two electrodes (2) are respectively inserted into the openings at the tail ends of the two tubes (1) and are positioned at the center of the tubes; the tail ends of the two electrodes (2) are fixedly connected to the fixed flat plate (4); the two fixed flat plates (4) are oppositely arranged, the two pipes (1) are horizontally oppositely arranged, and the pointed ends (3) of the two pipes are oppositely arranged.
2. The icing insulator test simulation electrode of claim 1, wherein: the pipe (1) is a cylindrical pipe or a cubic bobbin; the tube (1) is made of transparent materials and comprises plastic and glass.
3. The icing insulator test simulation electrode of claim 1, wherein: the diameter of the tube is 20mm-50mm, the length of the tube is 200mm-300mm, and the diameter of the tube (1) is larger than that of the electrode (2).
4. The icing insulator test simulation electrode of claim 1, wherein: the tube tips (3) of the two tubes (1) are opposite, and the gap is set to be 1-100 mm.
5. The icing insulator test simulation electrode of claim 1, wherein: the tube (1) is filled with water, and the electrode (2) is fixed in the tube (1) after being frozen into ice.
6. The icing insulator test simulation electrode of claim 1, wherein: the distance between one end of the electrode (2) and the top of the tube tip (3) of the tube (1) is adjustable and ranges from 20mm to 30 mm.
7. The icing insulator test simulation electrode of claim 1, wherein: the diameter of the electrode (2) is 15mm-45 mm.
8. The icing insulator test simulation electrode of claim 1, wherein: the distance between the two fixed flat plates (4) is adjustable and ranges from 1mm to 100 mm; the fixed flat plate (4) is connected with the electrode (2) through glue bonding or bolts; the other side of the fixed flat plate (4) is connected with a bracket.
9. The manufacturing method of the icing insulator test simulation electrode is characterized by comprising the following steps of: firstly, manufacturing two plastic cylindrical pipes, wherein the tip of the pipe at the head of each pipe is conical, filling the two pipes with water, respectively placing two electrodes with the diameter smaller than the diameter of each pipe into the two pipes, keeping a certain distance between the front end of each electrode and the conical top of the tip of each pipe, and fixing the electrodes at the central parts of the pipes; then the tube and the electrode are put into a freezing box for freezing; freezing for 30 minutes to 3 hours at a temperature of between-5 and-30 ℃; after the frozen tube is taken out, the two tubes are horizontally arranged oppositely, and the tips of the tubes of the two tubes are opposite; the ends of the two electrodes are respectively connected to the two fixed flat plates, and the gap between the tube tips of the two tubes is set to be 1mm-100mm so as to meet different test requirements.
10. The method for manufacturing the icing insulator test simulation electrode according to claim 9, wherein the method comprises the following steps: the diameter of the tube, the diameter of the electrode, the angle of the conical apex angle of the tube tip, the distance between the tube tips of two tubes, the distance between one end of the electrode and the top of the tube tip and the distance between two fixed plates satisfy the ranges stated in the above claims 1, 3, 4, 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880296.3A CN110728888A (en) | 2019-09-18 | 2019-09-18 | Ice-coated insulator test simulation electrode and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880296.3A CN110728888A (en) | 2019-09-18 | 2019-09-18 | Ice-coated insulator test simulation electrode and manufacturing method thereof |
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| CN110728888A true CN110728888A (en) | 2020-01-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007244275A (en) * | 2006-03-15 | 2007-09-27 | Institute Of National Colleges Of Technology Japan | Method for pre-freezing treatment of bivalve, and pre-treatment electrode |
| WO2012135241A2 (en) * | 2011-03-31 | 2012-10-04 | General Electric Company | Prognostic system and method for fault detection in electrical insulation |
| CN104089870A (en) * | 2014-06-26 | 2014-10-08 | 华南理工大学 | Insulator icing growth detection system and method for icing laboratory |
| KR101489588B1 (en) * | 2013-08-21 | 2015-02-06 | 한양대학교 에리카산학협력단 | Superconducting test jig |
| CN104874005A (en) * | 2015-05-11 | 2015-09-02 | 中国科学院等离子体物理研究所 | Plasma sterilization device for refrigerator storage room |
| CN106157783A (en) * | 2016-08-31 | 2016-11-23 | 重庆大学 | Application electrocaloric effect controls the experimental model that simulation ice-coating load comes off |
| CN107076597A (en) * | 2014-05-30 | 2017-08-18 | 埃尔特克有限公司 | For the sensor for the height for detecting medium |
| CN206696385U (en) * | 2017-05-08 | 2017-12-01 | 三峡大学 | A kind of silastic material surface state man-made chamber platform |
| CN107515361A (en) * | 2017-07-19 | 2017-12-26 | 国网湖南省电力公司 | A kind of insulator charged ice-melt flashover test method and system |
| CN211479458U (en) * | 2019-09-18 | 2020-09-11 | 国网辽宁省电力有限公司电力科学研究院 | Icing insulator test simulation electrode |
-
2019
- 2019-09-18 CN CN201910880296.3A patent/CN110728888A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007244275A (en) * | 2006-03-15 | 2007-09-27 | Institute Of National Colleges Of Technology Japan | Method for pre-freezing treatment of bivalve, and pre-treatment electrode |
| WO2012135241A2 (en) * | 2011-03-31 | 2012-10-04 | General Electric Company | Prognostic system and method for fault detection in electrical insulation |
| KR101489588B1 (en) * | 2013-08-21 | 2015-02-06 | 한양대학교 에리카산학협력단 | Superconducting test jig |
| CN107076597A (en) * | 2014-05-30 | 2017-08-18 | 埃尔特克有限公司 | For the sensor for the height for detecting medium |
| CN104089870A (en) * | 2014-06-26 | 2014-10-08 | 华南理工大学 | Insulator icing growth detection system and method for icing laboratory |
| CN104874005A (en) * | 2015-05-11 | 2015-09-02 | 中国科学院等离子体物理研究所 | Plasma sterilization device for refrigerator storage room |
| CN106157783A (en) * | 2016-08-31 | 2016-11-23 | 重庆大学 | Application electrocaloric effect controls the experimental model that simulation ice-coating load comes off |
| CN206696385U (en) * | 2017-05-08 | 2017-12-01 | 三峡大学 | A kind of silastic material surface state man-made chamber platform |
| CN107515361A (en) * | 2017-07-19 | 2017-12-26 | 国网湖南省电力公司 | A kind of insulator charged ice-melt flashover test method and system |
| CN211479458U (en) * | 2019-09-18 | 2020-09-11 | 国网辽宁省电力有限公司电力科学研究院 | Icing insulator test simulation electrode |
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