CN102183714A - Wind device for icing simulating test of extra-high voltage insulator - Google Patents
Wind device for icing simulating test of extra-high voltage insulator Download PDFInfo
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- CN102183714A CN102183714A CN2011100658629A CN201110065862A CN102183714A CN 102183714 A CN102183714 A CN 102183714A CN 2011100658629 A CN2011100658629 A CN 2011100658629A CN 201110065862 A CN201110065862 A CN 201110065862A CN 102183714 A CN102183714 A CN 102183714A
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Abstract
The invention provides a wind device for an icing simulating test of an extra-high voltage insulator. The wind device comprises a wind system, a spray system, a wind absorbing pipeline, and a control system, wherein the wind system mainly comprises a wind blowing pipeline, a wind inlet fan, a wind outlet fan, a heater and a wind absorbing pipeline; the spray system mainly comprises a cold water device, a high-pressure water pump, a nozzle and a spray pipe; wind outlet fans of the wind absorbing pipeline are respectively arranged on the upper end and the lower end of the wind absorbing pipeline to discharge air to the outside of the wind absorbing pipeline; and the control system controls the wind system, the spray system and the wind absorbing pipeline to coordinately operate. The invention realizes that the status of natural wind can be simulated in the icing test of an extra-high voltage insulator string. Meanwhile, icing nonuniformity caused by the instability of a wind field in the icing process is lightened, and the stability of the test is enhanced. In addition, a wind inlet of the wind blowing pipeline is additionally provided with a heater, and the entire wind blowing system can realize the heating function by blowing hot wind, and a method of melting ice by heating for insulator ice melting test is provided.
Description
Technical field
The present invention relates to a kind of extra-high voltage insulator simulation icing test device with the wind, belong to the high-voltage test techniques field, relate in particular to a kind of extra-high voltage insulator simulation icing of stablizing the circulation wind field that can form and test device with the wind.
Background technology
Utilizing the climate cell to carry out the covering ice for insulator test, is research covering ice for insulator insulation electrical characteristic method commonly used.The simulation icing system of testing laboratory is that the similarity of its icing and natural icing and stability are the keys of native system for the icing environment of better simulation the Nature, and the researchist has designed the authenticity that different devices improves simulation.
The climate cell generally is made up of experiment hall, refrigeration system, spray system.Experiment hall is the main space that insulator chain is carried out high-voltage test, is equipped with refrigeration system and spray system with climatic environment such as realize low temperature and rain.The space of experiment hall depends primarily on the voltage levvl of high-voltage test, and the high more requisite space size of voltage is big more, for example extra-high voltage testing requirements length and width each more than the 20m, more than the high 25m.Refrigeration system is made up of refrigeration unit, condenser, blower fan and ventilating duct, often adopts the environment temperature in the air-cooled form reduction hall, and generally top or the sidewall in testing laboratory is provided with air outlet.The air quantity of air outlet and wind speed are determined according to unit interval institute's chilling requirement in hall.Spray system is made up of reserve tank, water cooling unit, force (forcing) pump, spray piping and nozzle.Wind system is added in back at nozzle in some climate cell, has the rainfall of wind speed to realize occurring in nature.
The hall, climate cell is the environment of a sealing when carrying out icing testing laboratory, the cold wind that the one side refrigeration system blows out can change distinguished and admirable of testing laboratory, easily form unsteady wind flow fields such as whirlpool wind, backflow wind, reflection wind in the testing laboratory, some climate cell adds blower system in the nozzle back in addition, but because the blower system design is single, wind field is also unstable.Air about simultaneously in the hall is because the convection current that temperature difference forms also can change distinguished and admirable in the testing laboratory.Because the droplet particle of nozzle ejection is very little, is easy to be subjected to these unsteady wind influence on flow field, causes the ice coating state of insulator chain inhomogeneous, thereby influences its electrical specification.
Therefore, in order to solve various unsteady wind influence on flow field, be necessary to provide a kind of and can form the extra-high voltage insulator simulation icing test device with the wind of stablizing the circulation wind field, to satisfy the commercial Application needs.
Summary of the invention
Technical matters to be solved by this invention is: can form the extra-high voltage insulator simulation icing test device with the wind of stablizing the circulation wind field in order to solve the wind field instability problem in the UHV Long Insulator String icing process of the test, to the invention provides.
The technical solution adopted in the present invention is: a kind of extra-high voltage insulator simulation icing test device with the wind, mainly form by wind system, spray system, the pipeline of calling prisoners in after letting them out for exercise, control system, and it is characterized in that:
Wind system mainly comprises blowing pipeline, air inlet blower fan, air outlet blower fan, well heater and the pipeline of calling prisoners in after letting them out for exercise, the air inlet blower fan is arranged in the top and the bottom of blowing pipeline, dry in the blowing pipeline, the air outlet blower fan is arranged in the side of blowing pipeline towards insulator chain; Air inlet blower fan front end is installed well heater, heating air inlet air, and the air outlet blower fan is arranged in the top air outlet of the pipeline of calling prisoners in after letting them out for exercise; The air outlet blower fan is arranged in its lower end air outlet, realizes from big mouthful of air intake of the pipeline of calling prisoners in after letting them out for exercise, from the air-out of air outlet blower fan;
Spray system mainly comprises cold water device, high-pressure hydraulic pump, nozzle, shower, air inlet is provided with the air inlet blower fan, air outlet sets out the air port blower fan, the air outlet blower fan is dried with horizontal direction, the water droplet that drives the nozzle ejection evenly sprays to insulator chain, and wind system and shower integral installation are on experiment hall sidewall or pedestal;
The air outlet blower fan of pipeline of calling prisoners in after letting them out for exercise is placed in the top and bottom of the pipeline of calling prisoners in after letting them out for exercise respectively, to the pipeline outside exhaust of calling prisoners in after letting them out for exercise;
The co-ordination of control system control wind system, the spray system and the pipeline each several part of calling prisoners in after letting them out for exercise.
Aforesaid extra-high voltage insulator simulation icing test device with the wind is characterized in that shower is settled between two blowing pipelines, its end opening water receiving pipe is to high-pressure hydraulic pump.
Aforesaid extra-high voltage insulator simulation icing test device with the wind is characterized in that the material of the pipeline of calling prisoners in after letting them out for exercise is an epoxy resin insulation material; Its mouthful size of calling prisoners in after letting them out for exercise is bigger, rectangular shaped.
The invention has the beneficial effects as follows: the invention solves the wind field instability problem in the UHV Long Insulator String icing process of the test, stablize wind field in having realized on a large scale, improved insulator chain and simulated the approximation of icing and nature icing.Whole blower system has been realized the state of natural wind simulating in the test of UHV Long Insulator String icing, and it is inhomogeneous also to have reduced the icing that the wind field instability causes in the icing process simultaneously, has improved the stability of test.In addition, the air inlet interpolation well heater at the blowing pipeline heats air, and whole blower system can be realized the heating function of blowing hot-air, and the mode of a heating ice-melt is provided for insulator ice-melt test.
Description of drawings
Fig. 1 is the structural representation of the extra-high voltage insulator simulation icing test device with the wind of the embodiment of the invention.
Fig. 2 is the wind system and the spray system structural representation of the embodiment of the invention.
Fig. 3 is the structural representation of the pipeline of calling prisoners in after letting them out for exercise of the embodiment of the invention.
Embodiment
Below by embodiment, the invention will be further described in conjunction with the accompanying drawings.
Symbol description in the accompanying drawing: 1 air inlet blower fan; 2 blowing pipelines; 3 air outlet blower fans; 4 air inlet blower fans; 5 well heaters; 6 air outlet blower fans; 7 pipelines of calling prisoners in after letting them out for exercise; 8 air outlet blower fans; 9 insulator chains; 10 air-flow directions; 11 control system; 12 air inlet blower fans; 13 air outlet blower fans; 14 blowing pipelines; 15 nozzles; 16 showers; 17 hall sidewalls (or mounting base); 18 air inlet blower fans; 19 air outlet blower fans; 20 pipelines of calling prisoners in after letting them out for exercise; 21 air outlet blower fans
The extra-high voltage insulator simulation icing test device with the wind that the embodiment of the invention provides mainly is made up of wind system, spray system, the pipeline of calling prisoners in after letting them out for exercise, control system etc., as shown in Figure 1.
Air inlet blower fan 1,4 is arranged in the top and the bottom of blowing pipeline 2, dries in blowing pipeline 2, and air outlet blower fan 3 is arranged in the side of blowing pipeline 2 towards insulator chain 9; Air inlet blower fan 4 front ends are installed well heater 5, heating air inlet air.
Air outlet blower fan 6 is arranged in the top air outlet of the pipeline 7 of calling prisoners in after letting them out for exercise; Air outlet blower fan 8 is arranged in its lower end air outlet, realizes from big mouthful of air intake of the pipeline of calling prisoners in after letting them out for exercise, from the process of air outlet blower fan 6,8 air-out.
Whole system is under the control of control system 11, each several part co-ordinations such as outlet and inlet one's intention as revealed in what one says machine, spray system, well heater, can realize that the insulator ambient air flows with stable direction, the pipeline 7 of calling prisoners in after letting them out for exercise is by 6,8 exhausts up and down respectively of air outlet blower fan; In top, hall and bottom, air flow blowing pipeline one side, air forms circulation in the experiment hall thereby make, shown in air-flow direction 10.
Wind system mainly comprises blowing pipeline 2, air inlet blower fan 1,4 and 8, air outlet blower fan 3 and 6, well heater 5 and the pipeline 7 of calling prisoners in after letting them out for exercise.
As shown in Figure 2, spray system mainly comprises cold water device, high-pressure hydraulic pump, nozzle 15, shower 16 etc.
2 meters at interval of the air outlets of blowing pipeline 14, its nozzle 15 reaches 10m apart from total length, at air inlet air inlet blower fan 12 is set, air outlet sets out air port blower fan 13, make the air of air outlet reach certain speed, air outlet blower fan 13 is with the horizontal direction blowing, and the water droplet that drives nozzle 15 ejections evenly sprays to insulator chain 9 (Fig. 1).
When doing ice insulator sudden strain of a muscle test, well heater 5 (Fig. 1) adds hot-air, utilizes the well heater at air inlet blower fan 12 and 18 places, send hot blast in blowing pipeline 14, air outlet blower fan 13 blowing hot-airs are with heating insulator chain surface icing, realize insulator chain fast, ice-melt equably.Wind system and shower 16 integral body can be installed on experiment hall sidewall 17 or the pedestal, arrange more flexible.
Call prisoners in after letting them out for exercise pipeline composition as shown in Figure 3, air outlet blower fan 19,21 is placed in the top and bottom of the pipeline 20 of calling prisoners in after letting them out for exercise respectively, to the pipeline 20 outside exhausts of calling prisoners in after letting them out for exercise, the pipeline of calling prisoners in after letting them out for exercise is big mouthful then to be air inlet.The material of pipeline 20 of calling prisoners in after letting them out for exercise is an epoxy resin insulation material, electrostatic hazard when preventing high-voltage test; Its mouthful size of calling prisoners in after letting them out for exercise is bigger, rectangular shape, and entire portion can be suspended on the experiment hall inwall flexibly.
This device can be installed in experiment hall inwall or lifting separately.In the climatic test Room, call prisoners in after letting them out for exercise pipeline 7 (as Fig. 1) the air intake actinal surface will with the plane parallel of blowing pipeline 2 (Fig. 1) and shower 16 (Fig. 2) composition, the wind that blowing is come enters the pipeline 7 (Fig. 1) of calling prisoners in after letting them out for exercise, and makes the test room air form a stable circulation wind field.
Main innovate point of the present invention is:
(1) version of blowing device and function
Among Fig. 1, blowing device comprises the blowing pipeline 2 and pipeline 7 two parts of calling prisoners in after letting them out for exercise, part co-ordinations such as control system 11 control outlet and inlet one's intention as revealed in what one says machines and well heater 5, make the insulator chain region form the circulation channel of air, improve the stability of insulator chain regional wind field of living on the one hand, reduced reflection and the resistance of wind in flowing on the other hand.
(2) ice-melt type of heating
Among Fig. 1, well heater 5 is installed in the air inlet place of blowing pipeline 2 bottoms, carries out at insulator chain to add hot-air when ice dodges the ice-melt test around insulator chain, makes that upper and lower temperature evenly raises around the insulator chain, thereby improved ice-melt speed, test effect is better.
Claims (3)
1. an extra-high voltage insulator simulation icing test device with the wind mainly is made up of wind system, spray system, the pipeline of calling prisoners in after letting them out for exercise (20), control system (11), it is characterized in that:
Wind system mainly comprises blowing pipeline (2), air inlet blower fan (1), (4) and (8), air outlet blower fan (3) and (6), well heater (5) and the pipeline of calling prisoners in after letting them out for exercise (7), air inlet blower fan (1), (4) are arranged in the top and the bottom of blowing pipeline (2), dry in blowing pipeline (2), air outlet blower fan (3) is arranged in the side of blowing pipeline (2) towards insulator chain (9); Air inlet blower fan (4) front end is installed well heater (5), heating air inlet air, and air outlet blower fan (6) is arranged in the top air outlet of the pipeline of calling prisoners in after letting them out for exercise (7); Air outlet blower fan (8) is arranged in its lower end air outlet, realizes from big mouthful of air intake of the pipeline of calling prisoners in after letting them out for exercise, from air outlet blower fan (6), (8) air-out;
Spray system mainly comprises cold water device, high-pressure hydraulic pump, nozzle (15), shower (16), air inlet is provided with air inlet blower fan (12), air outlet sets out air port blower fan (13), air outlet blower fan (13) is dried with horizontal direction, the water droplet that drives nozzle (15) ejection evenly sprays to insulator chain (9), and wind system and shower (16) integral installation is on experiment hall sidewall (17) or pedestal;
Call prisoners in after letting them out for exercise the air outlet blower fan (19) of pipeline (20), the top and bottom that (21) are placed in the pipeline of calling prisoners in after letting them out for exercise (20) respectively are to the pipeline of calling prisoners in after letting them out for exercise (20) outside exhaust;
The co-ordination of control system (11) control wind system, spray system and the pipeline of calling prisoners in after letting them out for exercise (20) each several part.
2. extra-high voltage insulator simulation icing test device with the wind according to claim 1 is characterized in that shower (16) is settled between two blowing pipelines (14), its end opening water receiving pipe is to high-pressure hydraulic pump.
3. extra-high voltage insulator simulation icing test device with the wind according to claim 1 is characterized in that the material of the pipeline of calling prisoners in after letting them out for exercise (20) is an epoxy resin insulation material; Its mouthful size of calling prisoners in after letting them out for exercise is bigger, rectangular shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100658629A CN102183714B (en) | 2011-03-18 | 2011-03-18 | Wind device for icing simulating test of extra-high voltage insulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100658629A CN102183714B (en) | 2011-03-18 | 2011-03-18 | Wind device for icing simulating test of extra-high voltage insulator |
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| CN102183714A true CN102183714A (en) | 2011-09-14 |
| CN102183714B CN102183714B (en) | 2013-09-11 |
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| CN2011100658629A Active CN102183714B (en) | 2011-03-18 | 2011-03-18 | Wind device for icing simulating test of extra-high voltage insulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735286A (en) * | 2012-07-09 | 2012-10-17 | 河南电力试验研究院 | Manual icing testing system based on natural condition and testing method of the manual icing testing system |
| US9741196B2 (en) | 2011-11-14 | 2017-08-22 | Fuji Electric Co., Ltd. | Automatic vending machine |
| CN109975671A (en) * | 2019-04-19 | 2019-07-05 | 海南电网有限责任公司电力科学研究院 | A kind of corona test system of simulated environment |
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| JPH06170209A (en) * | 1992-12-01 | 1994-06-21 | Ashida Seisakusho:Kk | Method for circulating gas in autoclave |
| US20030070479A1 (en) * | 2001-08-29 | 2003-04-17 | Lacey John J. | Wind tunnel and collector configuration therefor |
| CN101126792A (en) * | 2007-01-31 | 2008-02-20 | 重庆大学 | Large scale multifunctional artificial climate room system for electrical test |
| CN101769768A (en) * | 2010-03-10 | 2010-07-07 | 北京航空航天大学 | Ice-coating experiment environment simulator of long insulator string |
| CN101799515A (en) * | 2010-03-10 | 2010-08-11 | 北京航空航天大学 | Large multifunctional environmental simulator for electrical test |
| CN202141780U (en) * | 2011-03-18 | 2012-02-08 | 国网电力科学研究院 | Wind device used for simulation ice-coating test of extra-high voltage insulator |
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Patent Citations (6)
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| JPH06170209A (en) * | 1992-12-01 | 1994-06-21 | Ashida Seisakusho:Kk | Method for circulating gas in autoclave |
| US20030070479A1 (en) * | 2001-08-29 | 2003-04-17 | Lacey John J. | Wind tunnel and collector configuration therefor |
| CN101126792A (en) * | 2007-01-31 | 2008-02-20 | 重庆大学 | Large scale multifunctional artificial climate room system for electrical test |
| CN101769768A (en) * | 2010-03-10 | 2010-07-07 | 北京航空航天大学 | Ice-coating experiment environment simulator of long insulator string |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9741196B2 (en) | 2011-11-14 | 2017-08-22 | Fuji Electric Co., Ltd. | Automatic vending machine |
| CN102735286A (en) * | 2012-07-09 | 2012-10-17 | 河南电力试验研究院 | Manual icing testing system based on natural condition and testing method of the manual icing testing system |
| CN109975671A (en) * | 2019-04-19 | 2019-07-05 | 海南电网有限责任公司电力科学研究院 | A kind of corona test system of simulated environment |
| CN109975671B (en) * | 2019-04-19 | 2020-12-18 | 海南电网有限责任公司电力科学研究院 | Corona test system for simulating environment |
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| CN102183714B (en) | 2013-09-11 |
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