CN203678730U - Automatic insulator salt deposit density online detection device - Google Patents
Automatic insulator salt deposit density online detection device Download PDFInfo
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- CN203678730U CN203678730U CN201420047290.0U CN201420047290U CN203678730U CN 203678730 U CN203678730 U CN 203678730U CN 201420047290 U CN201420047290 U CN 201420047290U CN 203678730 U CN203678730 U CN 203678730U
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- cleaning arm
- insulator
- cleaning
- hairbrush
- insulators
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- 239000012212 insulator Substances 0.000 title claims abstract description 116
- 150000003839 salts Chemical class 0.000 title claims abstract description 60
- 238000001514 detection method Methods 0.000 title claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 111
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims description 61
- 238000009413 insulation Methods 0.000 claims description 18
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 19
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000001739 density measurement Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 11
- 238000011109 contamination Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000009422 external insulation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an automatic insulator salt deposit density online detection device which comprises sampled insulators, a cleaning arm mechanism, an opening-closing type sealing cover and a salt deposit density measurement instrument, wherein the cleaning arm mechanism, the opening-closing type sealing cover and the salt deposit density measurement instrument are arranged inside a device box. The sampled insulators are hung on an electric device, and due to the fact that the working condition of the sampled insulators is the same as that of operating insulators, the dirty state of the insulators can be represented through that of the sampled insulators; when the automatic insulator salt deposit density online detection device is not used, the sampled insulators are hung outside the device box of the automatic insulator salt deposit density online detection device, and the cleaning arm mechanism is sealed in the opening-closing type sealing cover; when measurement is required, the sampled insulators are lifted into the device box, the cleaning arm mechanism is moved out of the opening-closing type sealing cover to automatically clean the sampled insulators, a cleaning dirty solution is collected, and the salt deposit density numerical value can be measured through the salt deposit density measurement instrument. The automatic insulator salt deposit density online detection device is convenient to use, high in automation degree and suitable for all-weather automatic measurement on the salt deposit density of the insulators, the dirt accumulation state of the insulators can be accurately reflected, and data supports are provided for safe operation of a power grid.
Description
Technical field
The utility model relates to the close on-line measuring device of a kind of automation insulation alite, belongs to field of electrical equipment.
Background technology
Up to now, insulator contamination is carried out to a large amount of research work both at home and abroad, China has also carried out the drawing of power grid pollution area distribution graph comprehensively, formulate the standard of a series of Anti-pollution Flashovers, and power transmission and transforming equipment in various degree, the particularly adjustment of transmission line of electricity creep distance are completed 3 times in the nineties in 20th century.
However; since reform and opening-up; China's rapid economic development, but due to the thinking little of of environmental protection, industrial or agricultural is polluted very serious; cause environment sharply to worsen; pollution flashover accident does not disappear completely from electrical network, and fairly large zonal pollution flashover accident day by day frequently occurs, and the insulation flashover accident being caused by filth has accounted for second at present in the total accident of electrical network; be only second to damage to crops caused by thunder accident, the loss causing approaches 10 times of damage to crops caused by thunder accident.
In recent years, although taked periodic cleaning, adopted large distance insulator, selected good insulator, composite insulator and the use RTV coating etc. of self-cleaning to prevent the measure of pollution flashover, make 500kV, 220kV overhead transmission line insulator contamination accident rate obtain good control, but cannot avoid, have a strong impact on the safe and stable operation of electrical network.Visible, rely on the power transmission and transformation equipment outer insulation that extensive hand sweeping is set up to configure the needs that cannot meet the large electric power netting safe running of modernization, the generation that is difficult to stop large area pollution flashover accident.
Transmission line of electricity external insulation characteristic has significant impact to the safe operation of circuit, an important evidence of transmission line of electricity external insulation configuration is exactly the dielectric level of external insulation under filthy state, the chemical composition of filthy material is the key of the filthy tolerance of impact insulation, and on-the-spot filthy degree is the main cause that causes pollution flashover accident to occur.Therefore, to transmission line of electricity, safe operation has extremely important effect in the measurement of on-the-spot filthy degree.For a long time, operation department and experimental study personnel carry out pollution measurement and research all the time, its object comprises three aspects: the one, and the pollution level of grasp insulator, whether can bear the impact of various unfavorable factors to determine it, if dunghill reaches or exceedes critical level, just need to consider to take measures, to guarantee the safe operation of power system; The 2nd, the pollution level of measurement this area, can judge the impact of insulator dielectric performance the filth of this area, divide gradation for surface pollution, draw polluted area distribution figure, be used for checking existing insulation configuration level whether suitable, for the dielectric level design of newly-built transmission line of electricity provides reliable basis; The 3rd, to the filthy degree monitoring under DIFFERENT METEOROLOGICAL CONDITIONS, draw the contamination rule of this area.Therefore, how the on-the-spot saturated filthy degree of Measurement accuracy, reflects on-the-spot filthy level in time, for circuit O&M provide instruct significant.Pollution measurement still adopts Traditional Man mode at present, get every year zero extension insulator and carry out close, the grey close measurement of salt, the human and material resources which expends are huge, bring huge working strength to operation of power networks personnel, and when sampling easily causes filthy loss larger, there is deviation in data result often, therefore need badly and carry out filthy on-line monitoring technique research, realize filthy kinetic measurement, reflect in time current pollution level, roll and revise polluted area distribution figure, ensure power network safety operation.
At present aspect filth monitoring, there iing not large achievement in research abroad, it is main because external air ambient is all right, domesticly mainly contain leakage current method and optical fiber measurement method in achievement in research aspect filth monitoring, first method measure error is large, and large with amblent air temperature relation, also fail at present to produce effective directive function is provided to electrical network, the second due to optical fiber contamination accumulation characteristics and insulator variant, therefore measure error deviation is large.
Publication number is the Chinese invention patent " the close checkout gear of electric insulation sub-surface salt " of CN103323497A, at on 09 25th, 2013 publication date, the close checkout gear of a kind of electric insulation alite has been proposed, its concrete scheme is by rainwater-collecting, after purifying, import cleaning case, by sliding bottom, cleaning case is dragged to insulator below.Afterwards, insulator entirety is immersed in the water of cleaning case, after insulator is cleaned totally, automatically measure the close value of salt by the salt dense device in case.But this device need to be installed guide rail on ground, due to limitation in height, the salt that cannot measure electric power tower insulator is close, and the scope of application is less.
Publication number is the Chinese invention patent " the close on-Line Monitor Device of Intelligent insulating alite " of CN103175869A, publication date is on June 26th, 2013, the close on-Line Monitor Device of a kind of salt has been proposed, it is characterized in that conductivity sensor to be arranged on insulator, the measurement data of conductivity sensor is gathered and obtains the close numerical value of salt.What this device reality solved is grey ciphertext data transmission problem, and to salt, close measurement is to adopt dry type mensuration for it, obtains the close method of salt with respect to measuring the soiling solution cleaning after insulator, and accuracy is poor, and cannot reflect the close situation of salt of whole insulator.
Publication number is the Chinese invention patent " a kind of method that high-tension insulator equivalent salt density is measured " of CN103278540A, September 4 2013 publication date, a kind of measuring method to equivalent salt density has been proposed, it is characterized in that insulator surface to be divided into multiple regions, an optional place, each region is as measurement point, according to the partial surface conductivity of multiple measurement point, obtain average partial surface conductivity, and then obtain the equivalent salt density value of insulator.The method, when to salt dense, need to be taken off insulator from power equipment, and eliminates the hydrophobicity of measurement point with the high pressure plasma rifle that discharges, and process is very complicated comparatively.In addition, the equivalent salt density that uses the method for sampled measurements to obtain, its accuracy is also not high enough.
Utility model content
The basic principle of the close on-line measuring device of automation insulation alite of the present utility model is: on power equipment, install a string insulator chain identical with insulator specification on electrical network hanging net operation equipment, this insulator only does the close sampling of salt and uses, because the residing environment facies of insulator in this insulator string and hanging net operation are same, it is close that salt dense device obtains the salt of this sampling insulator, just can learn the close and contamination situation of the salt of insulator in service, reflection is on the larger soluble salt component target of power grid security impact, for operation of power networks provides reference data.
The technical scheme that the utility model adopts is as follows:
The close on-line measuring device of a kind of automation insulation alite, comprise cabinet, sampling insulator and the cleaning arm mechanism that is placed in cabinet inside, open-close type seal closure and salt dense instrument, described sampling insulator is suspended on sampling insulator hanger bracket, described sampling insulator hanger bracket is connected with sampling insulator upright guide rail, and sampling insulator hanger bracket moves up and down along sampling insulator upright guide rail under the driving of motor, drives the immigration of sampling insulator or shifts out cabinet; Described cleaning arm mechanism is made up of cleaning arm, cleaning arm upright guide rail, spray thrower, cleaning hairbrush and soiling solution collector, described cleaning arm is arranged on cleaning arm upright guide rail, under the driving of motor, move up and down along cleaning arm upright guide rail, the end of described cleaning arm is provided with spray thrower, the below of spray thrower is installed and is cleaned hairbrush, described soiling solution collector is connected with deflector, then is fixed on cleaning arm by connecting rod; In described open-close type seal closure, be provided with cleaning arm horizontal guide rail and extend to outside open-close type seal closure, cleaning arm upright guide rail is arranged on cleaning arm horizontal guide rail, under driving, motor along the horizontal movement of cleaning arm horizontal guide rail, drive cleaning arm mechanism to move into or shift out open-close type seal closure; Salt dense instrument is installed, for the soiling solution of collecting is carried out to salt dense in described open-close type seal closure.
Aforesaid cleaning arm is made up of turning joint, and joint is established motor one, and described cleaning arm does flexure operation under the driving of motor one, adjusts the tightness degree of cleaning hairbrush and sampling insulator umbrella surface.
On aforesaid cleaning arm, establish motor two, described motor two drives cleaning arm to do 360 ° of rotary movements at any angle, drives and cleans hairbrush to full skirt or lower full skirt on the insulator of sampling.
Aforesaid sampling insulator is consistent with the operating insulator model of power equipment and structure, to guarantee equivalence and the accuracy of salt dense.
On aforesaid cleaning hairbrush, establish hairbrush motor, described hairbrush motor drives and cleans hairbrush rotation, carries out washing and cleaning operation.
Front stating cleaned hairbrush and is connected with pressure sensor, for detection of the pressure that cleans hairbrush and sample between insulator umbrella.
Compared with prior art, the utility model has the advantage of:
(1) do not need operating electrical equipment insulator to pull down, automatically cleaning arm, can replace manual cleaning operation completely, realize the close automatic measurement of salt, in whole measuring process, do not need artificial participation, surveying work, by installing complete independently, reduce manual working intensity, and measurement accuracy is high;
(2) scope of application is wide, both can be installed in the salt density of monitoring at any time insulator on general power equipment, also can be installed on the power equipment of transmission line of electricity or this difficult climbing of transformer station's high voltage iron tower, accurate evaluation equipment contamination state, takes precautions against the generation of grid pollution flashover accident in advance;
(3) salt dense is to carry out after the surface of whole sampling insulator is cleaned, identical with Traditional Man cleaning way, has avoided the filthy losing issue that caused by manual sampling, and certainty of measurement is higher, with hanging net operation insulator contamination result can equivalence.
Accompanying drawing explanation
Fig. 1 is the close on-line measuring device structural representation of salt of the present utility model;
Fig. 2 is the figure of suspension status at ordinary times of sampling insulator;
Fig. 3 is that the close on-line measuring device of the utility model salt cleans full skirt schematic diagram on sampling insulator;
Fig. 4 is that the close on-line measuring device of the utility model salt cleans full skirt schematic diagram under sampling insulator.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the close on-line measuring device of salt of the present utility model is described further.
As shown in Figure 1, the close on-line measuring device of automation insulation alite of the present utility model, comprises cabinet 2, sampling insulator 9 and the cleaning arm mechanism that is placed in cabinet 2 inside, and open-close type seal closure 1 and salt dense instrument 12,
Cleaning arm mechanism and salt dense instrument 12 are positioned at open-close type seal closure 1, with cleaning of maintaining body.In the time that needs carry out salt dense, sampling insulator 9 is risen up in cabinet 2 along sampling insulator upright guide rail 11 by driven by motor.
Cleaning arm mechanism is for cleaning and collect to sampling insulator the soiling solution washing down, formed by cleaning arm 5, cleaning arm upright guide rail 4, spray thrower 6, cleaning hairbrush 7 and soiling solution collector 8, wherein, cleaning arm 5 is arranged on cleaning arm upright guide rail 4, under motor drives, move up and down along cleaning arm upright guide rail 4, the end of cleaning arm 5 is provided with spray thrower 6, and the below of spray thrower 6 is installed and cleaned hairbrush 7, soiling solution collector 8 is connected with deflector, then is fixed on cleaning arm 5 by connecting rod.
In open-close type seal closure 1, be provided with cleaning arm horizontal guide rail 13 and extend to outside open-close type seal closure 1, cleaning arm upright guide rail 4 is arranged on cleaning arm horizontal guide rail 13, and can, along 13 horizontal movements of cleaning arm horizontal guide rail under motor drives, drive cleaning arm mechanism to move into or shift out open-close type seal closure 1; The interior installation salt dense of open-close type seal closure 1 instrument 12, for carrying out salt dense to the soiling solution of collecting.
As shown in Figure 3, when need to sampling insulator close measurement of salt time, sampling insulator 9 is sampled insulator hanger bracket 3 by driven by motor and is promoted to the close on-line measuring device cabinet of salt 2 inside, in the time that the insulator 9 of sampling is promoted to working position, cleaning arm mechanism skids off in open-close type seal closure 1 along cleaning arm horizontal guide rail 13, cleaning arm 5 is first upwards promoted to full skirt place on sampling insulator 9 top insulator sheets along cleaning arm upright guide rail 4, cleaning arm 5 of the present utility model is made up of turning joint, joint is established motor 1, cleaning arm can do flexure operation under the driving of motor 1, turning joint drives cleaning hairbrush 7 to touch full skirt on sampling insulator 9, cleaning hairbrush 7 is connected with pressure sensor, force value between the cleaning hairbrush 7 that motor 1 detects according to pressure sensor and sampling insulator umbrella, regulate the degree of crook of cleaning arm 5, and then adjust and clean full skirt Surface Contact pressure size on hairbrush 7 and sampling insulator, making to clean hairbrush 7 adapts with sampling insulator umbrella surface radian.Clean hairbrush 7 and start to carry out washing and cleaning operation from the center of sampling insulator umbrella, need to be adjusted to full skirt entad therefore clean hairbrush 7.After cleaning arm 5 is adjusted, spray thrower 6 ejections are purified waste water, and clean on hairbrush 7 and establish hairbrush motor 15, and hairbrush motor 15 drives cleaning hairbrush 7 to rotate, and carries out washing and cleaning operation, and the soiling solution having cleaned flows into soiling solution collector 8 through deflector.In the process of cleaning, sampling insulator 9 does axial-rotation motion under the driving of motor, so that cleaning hairbrush 7 can clean to the whole surface of full skirt.After a surperficial circle ring area of upper full skirt is cleaned, cleaning arm upright guide rail stops move a segment distance along cleaning arm horizontal guide rail 13 to full skirt edge under motor drives after, after having moved, adjust and clean full skirt Surface Contact pressure size on hairbrush 7 and sampling insulator, and then carry out washing and cleaning operation as the aforementioned.
On cleaning arm 5 of the present utility model, establish motor 2 10, motor 2 10 can drive cleaning arm 1 to do 360 ° of rotary movements at any angle, drives and cleans hairbrush to full skirt or lower full skirt on the insulator of sampling.As shown in Figure 4, after the surface clean of upper full skirt, motor 2 10 drives cleaning arm 5 to rotate, and drives cleaning hairbrush 7 to carry out washing and cleaning operation to lower full skirt place, and its cleaning process is identical with the cleaning process of upper full skirt.
After the first insulator (counting from top to bottom) of sampling insulator cleans, cleaning arm 5 is driven by cleaning arm upright guide rail 4, come downwards to second insulator and carry out washing and cleaning operation, now, the turning joint of cleaning arm 5 is done flexure operation equally under the driving of motor 1, to adapt with second insulator umbrella surface radian; So repeatedly, until bunch of insulator cleans complete.
The interior salt dense instrument 12 of having installed of open-close type seal closure 1, after sampling insulator Integral cleaning, salt dense instrument 12 stretches in soiling solution collector 8, can measure the close value of salt of sampling insulator.
Sealing when open-close type seal closure 1 is not also worked for cleaning arm mechanism is deposited, and keeps the dried and clean of cleaning arm mechanism; In addition, open-close type seal closure 1 has played to salt dense instrument 12 effect that keeps clean equally.
The utility model adopts solar panels and batteries 16 to provide direct current energy for the close on-line measuring device of salt, and this electric supply installation is connected by the close on-line measuring device of cable and salt.
Claims (6)
1. the close on-line measuring device of automation insulation alite, it is characterized in that, comprise cabinet, sampling insulator and the cleaning arm mechanism that is placed in cabinet inside, open-close type seal closure and salt dense instrument, described sampling insulator is suspended on sampling insulator hanger bracket, and described sampling insulator hanger bracket is connected with sampling insulator upright guide rail, and sampling insulator hanger bracket moves up and down along sampling insulator upright guide rail under the driving of motor, drive sampling insulator to move into or shift out cabinet; Described cleaning arm mechanism is made up of cleaning arm, cleaning arm upright guide rail, spray thrower, cleaning hairbrush and soiling solution collector, described cleaning arm is arranged on cleaning arm upright guide rail, under the driving of motor, move up and down along cleaning arm upright guide rail, the end of described cleaning arm is provided with spray thrower, the below of spray thrower is installed and is cleaned hairbrush, described soiling solution collector is connected with deflector, then is fixed on cleaning arm by connecting rod; In described open-close type seal closure, be provided with cleaning arm horizontal guide rail and extend to outside open-close type seal closure, cleaning arm upright guide rail is arranged on cleaning arm horizontal guide rail, under driving, motor along the horizontal movement of cleaning arm horizontal guide rail, drive cleaning arm mechanism to move into or shift out open-close type seal closure; Salt dense instrument is installed, for the soiling solution of collecting is carried out to salt dense in described open-close type seal closure.
2. the close on-line measuring device of a kind of automation insulation alite according to claim 1, it is characterized in that, described cleaning arm is made up of turning joint, joint is established motor one, described cleaning arm does flexure operation under the driving of motor one, adjusts the tightness degree of cleaning hairbrush and sampling insulator umbrella surface.
3. the close on-line measuring device of a kind of automation insulation alite according to claim 1, it is characterized in that, on described cleaning arm, establish motor two, described motor two drives cleaning arm to do 360 ° of rotary movements at any angle, drives and cleans hairbrush to full skirt or lower full skirt on the insulator of sampling.
4. the close on-line measuring device of a kind of automation insulation alite according to claim 1, is characterized in that, described sampling insulator is consistent with the operating insulator model of power equipment and structure, to guarantee equivalence and the accuracy of salt dense.
5. the close on-line measuring device of a kind of automation insulation alite according to claim 1, is characterized in that, on described cleaning hairbrush, establishes hairbrush motor, and described hairbrush motor drives and cleans hairbrush rotation, carries out washing and cleaning operation.
6. the close on-line measuring device of a kind of automation insulation alite according to claim 1, is characterized in that, described cleaning hairbrush is connected with pressure sensor, for detection of the pressure cleaning between hairbrush and sampling insulator umbrella.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047290.0U CN203678730U (en) | 2014-01-24 | 2014-01-24 | Automatic insulator salt deposit density online detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047290.0U CN203678730U (en) | 2014-01-24 | 2014-01-24 | Automatic insulator salt deposit density online detection device |
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| CN203678730U true CN203678730U (en) | 2014-07-02 |
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| CN201420047290.0U Withdrawn - After Issue CN203678730U (en) | 2014-01-24 | 2014-01-24 | Automatic insulator salt deposit density online detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752548A (en) * | 2014-01-24 | 2014-04-30 | 国家电网公司 | Automatic insulator salt density online detection device |
| CN104190643A (en) * | 2014-08-18 | 2014-12-10 | 国家电网公司 | Electric insulator cleaning device |
| CN104538132A (en) * | 2015-01-22 | 2015-04-22 | 广东电网有限责任公司江门供电局 | Insulating agent washing device for single pole arced cover of power transmission line insulator |
| CN107812768A (en) * | 2017-10-27 | 2018-03-20 | 国网福建省电力有限公司 | Insulated porcelain sleeve overturns frock and its application method |
| CN108072667A (en) * | 2017-09-28 | 2018-05-25 | 江苏省电力试验研究院有限公司 | Insulator contamination level detection method and system based on EO-1 hyperion |
-
2014
- 2014-01-24 CN CN201420047290.0U patent/CN203678730U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752548A (en) * | 2014-01-24 | 2014-04-30 | 国家电网公司 | Automatic insulator salt density online detection device |
| CN103752548B (en) * | 2014-01-24 | 2016-03-30 | 国家电网公司 | A kind of automation insulator salt density on-line measuring device |
| CN104190643A (en) * | 2014-08-18 | 2014-12-10 | 国家电网公司 | Electric insulator cleaning device |
| CN104538132A (en) * | 2015-01-22 | 2015-04-22 | 广东电网有限责任公司江门供电局 | Insulating agent washing device for single pole arced cover of power transmission line insulator |
| CN108072667A (en) * | 2017-09-28 | 2018-05-25 | 江苏省电力试验研究院有限公司 | Insulator contamination level detection method and system based on EO-1 hyperion |
| CN107812768A (en) * | 2017-10-27 | 2018-03-20 | 国网福建省电力有限公司 | Insulated porcelain sleeve overturns frock and its application method |
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Granted publication date: 20140702 Effective date of abandoning: 20160330 |
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