CN102706793A - Method and equipment for electric power antifouling test - Google Patents
Method and equipment for electric power antifouling test Download PDFInfo
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- CN102706793A CN102706793A CN2012101796601A CN201210179660A CN102706793A CN 102706793 A CN102706793 A CN 102706793A CN 2012101796601 A CN2012101796601 A CN 2012101796601A CN 201210179660 A CN201210179660 A CN 201210179660A CN 102706793 A CN102706793 A CN 102706793A
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Abstract
The invention discloses a method and equipment for an electric power antifouling test. The equipment comprises a water storage tank and a rainfall sprayer, wherein a water pump is arranged in the water storage tank; the rainfall sprayer is connected with one end of a pipe via a universal joint, and the water pump is connected with the other end of the pipe; and the water storage tank is equipped with an water inlet pipe which is connected with a water source. The water yield of the water pump is regulated via regulating a frequency converter, and further the rainfall density and intensity are regulated; a rainfall flush angle is regulated via regulating the height of the sprayer and the rainfall sprayer angle; the rainfall uniformity is regulated via changing the frequency of the frequency converter and replacing the rainfall sprayer; and the rainfall time is controlled via manual timing. The invention has the advantage of low construction cost, simplicity in operation, easiness in reception and prehension, and convenience in popularization.
Description
Technical field
The present invention relates to electric power antifouling test technology, specifically is a kind of electric power antifouling test method and device.
Background technology
The world today is in the period of comprehensive high speed development, and the mankind constantly improve science and technology, production, life efficient and automaticity, makes electric range of application more and more widely, and the degree that depends on electricity is also more and more stronger.Thing followed problem is that original balance of natural society is broken; Various industrial or agricultural flue dust, exhaust gas discharging; The change that global atmosphere is waited produces greenhouse effect, and disasteies such as hurricane, sandstorm, acid rain constantly take place, and electric system is produced the negative effect that can not be ignored.The electric system pollution flashover accident is continuous, has caused transmission line of electricity and electric substation's station equipment tripping operation, loss and huge.At present, the insulation flashover accident number of times that filth causes is occupied second in total accident number of times of electrical network, be only second to the damage to crops caused by thunder accident, and the loss that pollution flashover accident causes is 10 times of the damage to crops caused by thunder accident.This shows that pollution flashover accident serious threat the safe and stable operation of electrical network.
Anti-pollution measures such as power external insulation design, accent are climbed, hand sweeping all need be with power external insulation filth degree for instructing foundation; Therefore realize monitoring of power external insulation filth degree and prediction; Can effectively instruct the design and running of power external insulation to safeguard, and then realize the prevention of pollution flashover accident.Natural precipitation can directly reduce power external insulation surface filth degree, and the various factors of research natural precipitation is monitoring of power external insulation filth degree and base of prediction to the influence of power external insulation filth degree.And at present, be almost blank about the electric power antifouling test with the design of rainfall platform both at home and abroad.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, a kind of electric power antifouling test method and device are provided, the regulation and control of rain factors such as angle, rainfall uniformity coefficient are washed away in simulated rainfall intensity, rainfall quickly and easily.
The present invention realizes through following technical proposals:
A kind of electric power antifouling test device comprises water storage box, rainfall shower nozzle, is provided with water pump in the said water storage box; Said rainfall shower nozzle is connected with an end of pipeline through universal joint; The other end of pipeline is connected with water pump, and said water storage box is provided with water inlet pipe, and water inlet pipe connects the water source.Said water pump is electrically connected with power-supply system.Also be provided with water pressure gauge on the said pipeline.
Said power-supply system comprises power supply, power switch, the frequency converter that connects successively, and said frequency converter is electrically connected water pump.
A kind of electric power antifouling test method comprises the steps:
(1) regulates rainfall intensity
Through the frequency shift pump rotary speed of adjustment frequency converter, thereby the flow of change water pump is regulated rainfall intensity, and the frequency of frequency converter is high more, and the sprinkling amount of rainfall shower nozzle is big more, and the rainfall intensity of simulation is big more;
Through changing the rainfall shower nozzle of different aquifer yields, change rainfall shower nozzle aquifer yield, regulate rainfall intensity, the aquifer yield of rainfall shower nozzle is big more, and the rainfall intensity of simulation is big more;
(2) regulate rainfall and wash away the angle
Through the nozzle angle of universal joint adjustment rainfall shower nozzle, changing water droplet trajectory, under the constant situation of other conditions, the angle of rainfall shower nozzle and horizontal direction is big more, and it is more little that simulated rainfall washes away the angle;
Regulate the height on rainfall shower nozzle and ground, the angle is washed away in the change rainfall, and under the constant situation of other conditions, the rainfall shower nozzle is high more with respect to the height on ground, and it is more little that simulated rainfall washes away the angle;
(3) regulate the rainfall uniformity coefficient
Adjust the rotating speed of the frequency shift water pump of frequency converter, thereby change the flow of water pump, change the scope and the density of rainfall simultaneously, promptly change the rainfall uniformity coefficient;
(4) control rain time
Start water pump or rainfall shower nozzle through timing, the control rain time.
The present invention's analog regulation rainfall intensity, rainfall simultaneously washes away angle, rain uniformity coefficient and rain time, and construction cost is cheap, and operation is simple, is easy to accept and grasp, and is convenient to promote.
Description of drawings
Fig. 1 is the structural representation of electric power antifouling test device of the present invention.
Fig. 2 is a power system structure synoptic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment the present invention is done further concrete detailed description the in detail, but embodiment of the present invention is not limited thereto, the technological parameter for not indicating especially can carry out with reference to routine techniques.
Embodiment
Like Fig. 1, shown in 2.Electric power antifouling test device of the present invention comprises water storage box 3, rainfall shower nozzle 8, is provided with water pump 4 in the said water storage box 3; Said rainfall shower nozzle 8 is connected with an end of pipeline 6 through universal joint 7; The other end of pipeline 6 is connected with water pump 4, and said water storage box 3 is provided with water inlet pipe 2, water inlet pipe 2 connection water sources 1.Also be provided with water pressure gauge 5 on the said pipeline 6.
Said water pump 4 is electrically connected with power-supply system; Said power-supply system comprises power supply 4-1, power switch 4-2, the frequency converter 4-3 that connects successively, and said frequency converter 4-3 is electrically connected water pump 4.
Water storage box 3 is used to store the rainfall experimental water, so that realize that feed pump 4 supplies water sustainedly and stably.Water pump 4 is the asynchronous machine water pump, is used for water is fed to eminence through rainfall shower nozzle 8 water spray simulated rainfalls.The water spray angle that universal joint 7 (also can adopt the gear type adjusting knob) is used to regulate rainfall shower nozzle 8 is washed away angle so that regulate rainfall, can realize that rainfall washes away the adjusting of angle in 0 ° ~ 45 ° scopes.Rainfall shower nozzle 8 adopts commercially available industrial atomizer, has multiple model to select according to parameters such as rainfall intensities, can the rainfall uniformity coefficient be controlled at more than 80%.
Power supply 4-1 supplies power to water pump 4 through power switch 4-2 and frequency converter 4-3.Power switch 4-2 is the contact pushbutton switch, is used for the high-speed switch water pump, so that control rainfall flushing time, the control accuracy that can guarantee rain time is less than 1s.Frequency converter 4-3 is used for changing fast the line frequency of water pump 4, so that quick control water pump 4 rotational speed regulation rainfall intensities can realize the adjusting of rainfall intensity in 0.7mm ~ 4.5mm scope.
Electric power antifouling test method comprises the steps:
(1) regulates rainfall intensity
Through frequency shift water pump 4 rotating speeds of adjustment frequency converter 4-3, thereby the flow of change water pump 4 is regulated rainfall intensity, and the frequency of frequency converter 4-3 is high more, and the sprinkling amount of rainfall shower nozzle 8 is big more, and the rainfall intensity of simulation is big more;
Through changing the rainfall shower nozzle 8 of different aquifer yields, change rainfall shower nozzle 8 aquifer yields, regulate rainfall intensity, the aquifer yield of rainfall shower nozzle 8 is big more, and the rainfall intensity of simulation is big more;
(2) regulate rainfall and wash away the angle
Through the nozzle angle of universal joint 7 adjustment rainfall shower nozzles 8, changing water droplet trajectory, under the constant situation of other conditions, rainfall shower nozzle 8 is big more with the angle of horizontal direction, and it is more little that simulated rainfall washes away the angle;
Regulate the height on rainfall shower nozzle 8 and ground, change rainfall and wash away the angle, under the constant situation of other conditions, rainfall shower nozzle 8 is high more with respect to the height on ground, and it is more little that simulated rainfall washes away the angle;
(3) regulate the rainfall uniformity coefficient
Adjust the rotating speed of the frequency shift water pump 4 of frequency converter 4-3, thereby change the flow of water pump 4, change the scope and the density of rainfall simultaneously, promptly change the rainfall uniformity coefficient;
(4) control rain time
Start water pump 4 or rainfall shower nozzle 8 through timing, the control rain time.
Below give an example, above-mentioned electric power antifouling test method is further described through one.
Regulate rainfall intensity
1) according to the size of required rainfall intensity, selects rainfall shower nozzle 8, during selection,, then select the shower nozzle of big model,, then select shower nozzle than ting model if required rainfall intensity is less if required rainfall intensity is big.Fix shower nozzle.
2) turn on the power switch 4-2, the frequency of frequency converter 4-3 adjusted to 40Hz～50Hz, make electric current be enough to start water pump 4, treat water pump 4 work after, immediately frequency is reduced to 20Hz～30Hz, prevent that this moment hydraulic pressure is excessive, wash each junction of device open.Selected frequency converter registration in this scope.
3) treat 8 water outlets of rainfall shower nozzle, behind the waterflow stabilization, confirm the spraying range of rainfall shower nozzle 8; Regard this scope as approximate circle, select through the diameter of rainfall shower nozzle 8 at the subpoint on ground, equidistance puts the identical beaker of 10 sizes and number consecutively 1～No. 10 on this diameter; And the position of writing down each beaker, when putting beaker, guarantee that each beaker inner drying is anhydrous; Block rainfall shower nozzle 8 with shield, prevent that the water of its ejection from falling in the beaker;
4) put beaker after, remove shutter, pick up counting simultaneously, treat in the beaker water of accumulation aequum after, block rainfall shower nozzle 8 once more and stop timing, powered-down simultaneously with shutter;
5) measure the water yield in the beaker successively 1～No. 10 with graduated cylinder, write down these data and used time of this process;
6) according to the definition of rainfall intensity, h=v/ (s*t) makes and uses the rainfall flushing time, handles adjacent per three groups of (beaker) data respectively.If the result appearance near required rainfall intensity, is then write down the registration (frequency) of frequency converter 4-3 this moment and the position of used beaker, this moment, the position of beaker was position used when testing.If result not near required rainfall intensity, is then changed rainfall shower nozzle 8 or is changed the registration of frequency converter 4-3.
7) repeating step 2,3,4,5,6, reserve all required rainfall intensities until rate, pairing rainfall shower nozzle 8 and frequency converter registration.
8), select rainfall shower nozzle 8 and registration and the experimental point position of regulating frequency converter 4-3 according to the data of calibration.Thereby realize adjusting to rainfall intensity.
Regulate rainfall and wash away the angle
If the vertical range that insulator is 9 is a, wash away the tangent line of angle according to rainfall and make extended line, extended line obtains distance b waiting position that is higher than insulator 9 to make vertical line.By formula angle c=arctan (a/b), obtain rainfall and wash away the angle.
Under insulator 9 edges, place ruler in the experimentation, the zero groove of ruler is aimed at insulator edge, top.Begin to go upward to along the rainfall track height at second insulator 9 edge with mark post from the insulator lower edge, vertically fall mark post, the horizontal shift of mark post is washed away the angle for the b shown in the figure thereby calculate rainfall in this process.
When changing experimental variable the change of simulated rainfall track taking place like this, can measure corresponding rainfall angle timely, make the rainfall experimental result more near actual.
Regulate the rainfall uniformity coefficient
Be simulating nature rainfall better, must guarantee that rainfall uniformity coefficient (K) satisfies K >=80% in the test rainfall.The concrete steps of measuring the K value are following:
1) the vertical point that projects to the level ground with vertically insulated sub 9 strings is the center of circle, gets the border circular areas that radius is 0.5m, and level is evenly placed 5 graduated cylinders in this border circular areas;
2) about 0.5m place support umbrella above graduated cylinder, and open operation valve and begin simulated rainfall, must guarantee to remove the water droplet that is not splashed in the preceding graduated cylinder of umbrella;
3) after the beginning rainfall behind the general 1min, it is stable that simulated rainfall begins to reach, and removes umbrella and pick up counting;
4) after timing began to reach 1min, closed control valve stopped simulated rainfall;
5) write down each udometric rainfall amount H
i, utilize computes to go out rainfall uniformity coefficient K:
In the formula: H--is the average rainfall on the same period rainfall face, calculates with arithmetic mean;
H
i--be the measuring point rainfall on the same period rainfall face;
N--is the rainfall measuring point sum on the rainfall face, n=5 here.
Uniformity coefficient as if between 5 rain gages satisfies K >=80%, and just getting its arithmetic mean is rainfall intensity.
Claims (5)
1. an electric power antifouling test method is characterized in that comprising the steps:
(1) regulates rainfall intensity
Through the frequency shift pump rotary speed of adjustment frequency converter, thereby the flow of change water pump is regulated rainfall intensity, and the frequency of frequency converter is high more, and the sprinkling amount of rainfall shower nozzle is big more, and the rainfall intensity of simulation is big more;
Through changing the rainfall shower nozzle of different aquifer yields, change rainfall shower nozzle aquifer yield, regulate rainfall intensity, the aquifer yield of rainfall shower nozzle is big more, and the rainfall intensity of simulation is big more;
(2) regulate rainfall and wash away the angle
Through the nozzle angle of universal joint adjustment rainfall shower nozzle, changing water droplet trajectory, under the constant situation of other conditions, the angle of rainfall shower nozzle and horizontal direction is big more, and it is more little that simulated rainfall washes away the angle;
Regulate the height on rainfall shower nozzle and ground, the angle is washed away in the change rainfall, and under the constant situation of other conditions, the rainfall shower nozzle is high more with respect to the height on ground, and it is more little that simulated rainfall washes away the angle;
(3) regulate the rainfall uniformity coefficient
Adjust the rotating speed of the frequency shift water pump of frequency converter, thereby change the flow of water pump, change the scope and the density of rainfall simultaneously, promptly change the rainfall uniformity coefficient;
(4) control rain time
Start water pump or rainfall shower nozzle through timing, the control rain time.
2. an electric power antifouling test device is characterized in that: comprise water storage box, rainfall shower nozzle, be provided with water pump in the said water storage box; Said rainfall shower nozzle is connected with an end of pipeline through universal joint; The other end of pipeline is connected with water pump, and said water storage box is provided with water inlet pipe, and water inlet pipe connects the water source.
3. electric power antifouling test according to claim 2 is used rainer, it is characterized in that: said water pump is electrically connected with power-supply system.
4. electric power antifouling test according to claim 3 is used rainer, it is characterized in that: said power-supply system comprises power supply, power switch, the frequency converter that connects successively, and said frequency converter is electrically connected water pump.
5. electric power antifouling test according to claim 4 is used rainer, it is characterized in that: also be provided with water pressure gauge on the said pipeline.
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| CN2012101796601A CN102706793A (en) | 2012-06-01 | 2012-06-01 | Method and equipment for electric power antifouling test |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645112A (en) * | 2013-12-10 | 2014-03-19 | 南方电网科学研究院有限责任公司 | Portable insulator pollution loss coefficient research device and method |
| CN106197865A (en) * | 2016-08-23 | 2016-12-07 | 德凯宜特（昆山）检测有限公司 | A kind of waterproof test device |
| CN107064458A (en) * | 2017-03-20 | 2017-08-18 | 安徽工业大学 | It is a kind of to produce the artificially-simulated rainfall device and method of Various Complex rainfall pattern |
| CN107807077A (en) * | 2016-09-09 | 2018-03-16 | 安踏（中国）有限公司 | A kind of ready-made clothes water-resistant performance test device and its method of testing |
| CN108061701A (en) * | 2016-11-08 | 2018-05-22 | 立邦涂料（中国）有限公司 | The apparatus and method that a kind of Simulated rainwater environment influences macromolecule coating material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2793169A1 (en) * | 1999-05-03 | 2000-11-10 | Gabriel Sylvestre | Spraying system for medium or high pressure liquid application, comprises central unit connected by low-pressure piping to pumps associated with higher pressure outlet nozzles |
| EP1577017A2 (en) * | 2004-03-19 | 2005-09-21 | Haden Drysys S.A. | Method and installation for circulating a coating material without shearing stress |
| CN1793908A (en) * | 2005-12-27 | 2006-06-28 | 西北农林科技大学 | Rainfall regulation and control experiment research device and experimental method |
| CN201244568Y (en) * | 2008-06-12 | 2009-05-27 | 北京诺德威电力技术开发有限责任公司 | Dirt cleaner for novel electric power apparatus |
| CN101585024A (en) * | 2009-06-25 | 2009-11-25 | 舒安平 | Portable artificial rain simulating device |
| CN202815099U (en) * | 2012-06-01 | 2013-03-20 | 华南理工大学 | Equipment for lectric power antifouling test |
-
2012
- 2012-06-01 CN CN2012101796601A patent/CN102706793A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2793169A1 (en) * | 1999-05-03 | 2000-11-10 | Gabriel Sylvestre | Spraying system for medium or high pressure liquid application, comprises central unit connected by low-pressure piping to pumps associated with higher pressure outlet nozzles |
| EP1577017A2 (en) * | 2004-03-19 | 2005-09-21 | Haden Drysys S.A. | Method and installation for circulating a coating material without shearing stress |
| CN1793908A (en) * | 2005-12-27 | 2006-06-28 | 西北农林科技大学 | Rainfall regulation and control experiment research device and experimental method |
| CN201244568Y (en) * | 2008-06-12 | 2009-05-27 | 北京诺德威电力技术开发有限责任公司 | Dirt cleaner for novel electric power apparatus |
| CN101585024A (en) * | 2009-06-25 | 2009-11-25 | 舒安平 | Portable artificial rain simulating device |
| CN202815099U (en) * | 2012-06-01 | 2013-03-20 | 华南理工大学 | Equipment for lectric power antifouling test |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645112A (en) * | 2013-12-10 | 2014-03-19 | 南方电网科学研究院有限责任公司 | Portable insulator pollution loss coefficient research device and method |
| CN103645112B (en) * | 2013-12-10 | 2016-08-17 | 南方电网科学研究院有限责任公司 | Portable insulator pollution loss coefficient research device and method |
| CN106197865A (en) * | 2016-08-23 | 2016-12-07 | 德凯宜特（昆山）检测有限公司 | A kind of waterproof test device |
| CN107807077A (en) * | 2016-09-09 | 2018-03-16 | 安踏（中国）有限公司 | A kind of ready-made clothes water-resistant performance test device and its method of testing |
| CN108061701A (en) * | 2016-11-08 | 2018-05-22 | 立邦涂料（中国）有限公司 | The apparatus and method that a kind of Simulated rainwater environment influences macromolecule coating material |
| CN107064458A (en) * | 2017-03-20 | 2017-08-18 | 安徽工业大学 | It is a kind of to produce the artificially-simulated rainfall device and method of Various Complex rainfall pattern |
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Application publication date: 20121003 |