CN105759189A - Suspension insulator filth deposition accelerating device - Google Patents
Suspension insulator filth deposition accelerating device Download PDFInfo
- Publication number
- CN105759189A CN105759189A CN201610306070.9A CN201610306070A CN105759189A CN 105759189 A CN105759189 A CN 105759189A CN 201610306070 A CN201610306070 A CN 201610306070A CN 105759189 A CN105759189 A CN 105759189A
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- Prior art keywords
- contamination
- tank
- suspension insulator
- filth
- filthy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/20—Preparation of articles or specimens to facilitate testing
Abstract
The invention relates to a suspension insulator filth deposition accelerating device.The device is characterized in that a filth deposition tank (6) is included, and the side wall of the filth deposition tank (6) is provided with an inlet and an outlet, wherein the inlet is communicated with an air blower (1) through a pipeline, the pipeline is further communicated with a filth powder discharge device, and a powder filter device (9) is installed at the outlet; the top of the filth deposition tank (6) is fixedly provided with a low-voltage end threaded rod (5), and the side wall of the filth deposition tank (6) is fixedly provided with a high-voltage end threaded rod (8), wherein the low-voltage end threaded rod (5) is connected with the low-voltage end of a suspension insulator (7) arranged in the filth deposition tank (6) through a wire, and the high-voltage end of the suspension insulator (7) is connected with the high-voltage end threaded rod (8) arranged in the filth deposition tank (6) through a wire.The device has the advantages that air flow entering the filth deposition tank can be controlled by a speed regulating device of the air blower, the vibration amplitude is regulated through input air pressure of an industrial vibrator, and then the filth powder diffusing amount is controlled.
Description
Technical field
The present invention relates to a kind of suspension insulator and accelerate contamination device.
Background technology
On overhead transmission line, filth is deposited on insulator surface can affect its insulating properties, after filth is attached to insulator surface, the electrolyte in filth can dissolve in a humidity environment, and electrical conductivity increases, and then the pollution flashover voltage of reduction insulator, bring serious harm to the safe and stable operation of circuit.The contamination of insulator is closely related with insulator surface condition and line operation environment.
The transmission line of electricity run in heavy pollution area is generally adopted increase creep distance, coating antifouling flush paint and regularly cleaning and prevents insulator contamination.But owing to antifouling flush paint surface self-cleaning is poor, the contamination of insulator surface can be increased after being coated in insulator surface, and owing to antifouling flush paint has migration of hydrophobicity, filthy surface can form hydrophobicity, and rainfall is difficult to clean the filth on surface.
The contamination of insulator surface is relevant with many factors: from substrate angle, and contamination is relevant to the material of insulator；From filthy angle, contamination and filthy kind, particle size distribution is correlated with；From the angle of filth attachment, contamination is relevant to electric field, wind speed and rainfall.The mode of artificial acceleration contamination can be adopted for the different condition impact for contamination.In order to quantitative study difference factor is for the impact of suspension insulator contamination, it is necessary to design a kind of suspension insulator and accelerate the device of contamination.
Summary of the invention
It is an object of the invention to provide a kind of suspension insulator and accelerate contamination device, it is possible to realize the contamination continuously and healthily to insulator surface.
A kind of suspension insulator accelerates contamination device, it is particular in that: include contamination tank, the sidewall of this contamination tank is respectively equipped with inlet and outlet, wherein import is connected with aerator by pipeline, and this pipeline also connects with filthy powder drawing mechanism, is wherein provided with powder filter device in exit；It is installed with low-pressure end screw rod in this contamination tank top and on the sidewall of contamination tank, is installed with high-pressure side screw rod, wherein low-pressure end screw rod is connected with the suspension insulator low-pressure end in contamination tank by wire, thus being suspended in contamination tank by suspension insulator, and this suspension insulator high-pressure side is connected with the high-pressure side screw rod in contamination tank by wire.
Wherein also including wind speed measuring device, the end of measuring of this wind speed measuring device stretches to by the suspension insulator in contamination tank.
Wherein wind speed measuring device adopts hand-held heat-sensitive type anemobiagraph.
Wherein aerator adopts the stepless time adjustment aerator with Wind-speed controller.
Wherein filthy powder drawing mechanism includes the funnel tank that is filled with filthy granule, and the exit below this funnel tank is inserted with splash bar, also includes vibrator contact with funnel tank, it is thus possible to provide vibration to make filth granule fall from the exit of funnel tank.
Wherein contamination tank adopts cylindrical lucite tank.
Wherein powder filter device is positioned at the outside in contamination tank exit, and this powder filter device is made up of one layer of dust-proof cotton and one layer of cotton.
It is an advantage of the invention that the arrangements for speed regulation that can pass through aerator control to enter the air-flow of contamination tank, regulate Oscillation Amplitude by the input air pressure of industrial vibration device, and then control the amount of filthy powder diffusion.By applying different grades of voltage in pressurizing loop, it is possible to form different electric field intensity at insulator surface.Test proves that, the entirety of the present invention accelerates contamination device, it is possible to for accurately and reliably studying the impact for suspension insulator contamination of wind speed, filthy granule, electric field intensity and base material kind.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention.
Detailed description of the invention
As shown in Figure 1, the invention provides a kind of suspension insulator and accelerate contamination device, including cylindrical lucite tank as contamination tank 6, the sidewall of this contamination tank 6 is respectively equipped with inlet and outlet, wherein import is connected with aerator 1 by pipeline, and this pipeline also connects with filthy powder drawing mechanism, is wherein provided with powder filter device 9 in exit；It is installed with the low-pressure end screw rod 5 of metal material at this contamination tank 6 top and on the sidewall of contamination tank 6, is installed with the high-pressure side screw rod 8 of metal material, wherein low-pressure end screw rod 5 is connected with suspension insulator 7 low-pressure end in contamination tank 6 by wire, thus being suspended in contamination tank 6 by suspension insulator 7, and suspension insulator 7 high-pressure side is connected with the high-pressure side screw rod 8 in contamination tank 6 by wire.
Wherein also including wind speed measuring device, it is other that the measurement end of this wind speed measuring device stretches to the suspension insulator 7 in contamination tank 6, and this wind speed measuring device specifically adopts hand-held heat-sensitive type anemobiagraph 4.
Wherein aerator 1 adopts the stepless time adjustment aerator 1 with Wind-speed controller.Filthy powder drawing mechanism includes the funnel tank 2 being filled with filthy granule, and the exit below this funnel tank 2 is inserted with splash bar 3, also includes the vibrator contacted with funnel tank 2, it is thus possible to provide vibration to make filthy granule fall from the exit of funnel tank 2.Additionally powder filter device 9 is positioned at the outside in contamination tank 6 exit, and this powder filter device 9 is made up of the one of superposition layer of dust-proof cotton and one layer of cotton.
Embodiment 1:
The invention provides a kind of device that suspension insulator 7 can be carried out artificial acceleration contamination, it is possible to wind speed, the filthy factor such as kind and insulator base material are carried out quantitative analysis for the impact of contamination amount.This device includes the parts such as Wind-speed controller, filthy powder drawing mechanism, wind speed measuring device, contamination tank 6, pressurizing loop and powder filter device 9.Above-mentioned Wind-speed controller adopts the aerator 1 of stepless time adjustment, can produce the air-flow of different initial wind speed by regulating the arrangements for speed regulation of aerator 1.Above-mentioned filthy powder drawing mechanism is by plastic funnel tank 2, splash bar 3 and industrial vibration device composition, filthy powder CaSO4Being contained in plastic funnel tank 2, splash bar 3 is inserted in funnel tank 2 and exports, and the thickness of splash bar 3 can control lural discharging area.Industrial vibration device is fitted on the outer wall of plastic funnel tank 2, it is provided that vibration makes powder fall from bell mouth.What described industrial vibration device adopted is the Pneumatic turbine vibrator connected with air compressor machine, it is possible to regulate the amplitude of vibration according to air compressor machine input air pressure.
What wherein wind speed measuring device adopted is hand-held heat-sensitive type anemobiagraph 4.Contamination tank 6 is circular lucite tank, is highly 1.2m, and diameter is 1m, and the circular air flow inlet that tank body side has diameter be 5cm and diameter are the circular air stream outlet of 10cm.Contamination tank 6 central authorities can pass through the mode suspension insulator sample hung.Pressurizing loop is to penetrate tank body with two screw rods, and one of them screw rod is positioned at contamination tank 6 side, screw rod external connection high pressure, and inside screw is connected with suspension insulator high-pressure side by wire；Another one screw rod is positioned at the top of contamination tank 6, is connected with earth lead outside screw rod, and inside screw is connected with suspension insulator 7 low-pressure end.Powder filter device 9 is positioned at the outside of air stream outlet, the double medium filtration system being made up of dust-proof cotton and cotton.
Using method and the operation principle of the present invention be:
(1) in the plastic funnel tank 2 of filthy powder drawing mechanism, filthy granule is added, and the size needing to add splash bar 3 to limit funnel tank 2 outlet according to powder diffusing capacity.
(2) suspension insulator sample in contamination tank 6, and with wire, the two ends of insulator are connected with suspension insulator high-pressure side 8 and low-pressure end screw rod 5 respectively.
(3) open the Wind-speed controller of aerator 1, and regulate corresponding wind speed, observe wind speed measuring device until wind speed meets test requirements document, then pack up wind speed measuring device.
(4) opening air compressor machine, allow Pneumatic turbine vibrator start vibration, now filthy powder drawing mechanism begins with powder and falls from the outlet below funnel tank 2, and filthy powder is blown in contamination tank 6 by wind, and attachment is on the insulator.
(5) by transformator Accelerated Life required voltage value in pressurizing loop, near insulator, electric field is produced.
(6) under package unit effect, insulator surface continues contamination, until saturated.
(7) after contamination terminates, stop whole equipment in a reverse order, completes test.
Above embodiments is intended merely to and the present invention is described, and is not used as limitation of the invention, as long as in the spirit of the present invention, to the change of embodiment described above, modification all by the Claims scope dropping on the present invention.
Claims (7)
1. a suspension insulator accelerates contamination device, it is characterized in that: include contamination tank (6), the sidewall of this contamination tank (6) is respectively equipped with inlet and outlet, wherein import is connected with aerator (1) by pipeline, and this pipeline also connects with filthy powder drawing mechanism, is wherein provided with powder filter device (9) in exit；It is installed with low-pressure end screw rod (5) at this contamination tank (6) top and on the sidewall of contamination tank (6), is installed with high-pressure side screw rod (8), wherein low-pressure end screw rod (5) is connected with suspension insulator (7) low-pressure end in contamination tank (6) by wire, thus being suspended in contamination tank (6) by suspension insulator (7), and this suspension insulator (7) high-pressure side is connected with the high-pressure side screw rod (8) in contamination tank (6) by wire.
2. a kind of suspension insulator as claimed in claim 1 accelerates contamination device, it is characterised in that: wherein also including wind speed measuring device, it is other that the measurement end of this wind speed measuring device stretches to the suspension insulator (7) in contamination tank (6).
3. a kind of suspension insulator as claimed in claim 1 accelerates contamination device, it is characterised in that: wherein wind speed measuring device adopts hand-held heat-sensitive type anemobiagraph (4).
4. a kind of suspension insulator as claimed in claim 1 accelerates contamination device, it is characterised in that: wherein aerator (1) adopts the stepless time adjustment aerator (1) with Wind-speed controller.
5. a kind of suspension insulator as claimed in claim 1 accelerates contamination device, it is characterized in that: wherein filthy powder drawing mechanism includes being filled with the funnel tank (2) of filthy granule, it is inserted with splash bar (3) in the exit of this funnel tank (2) lower section, also include the vibrator contacted with funnel tank (2), it is thus possible to provide vibration to make filthy granule fall from the exit of funnel tank (2).
6. a kind of suspension insulator as claimed in claim 1 accelerates contamination device, it is characterised in that: wherein contamination tank (6) adopts cylindrical lucite tank.
7. a kind of suspension insulator as claimed in claim 1 accelerates contamination device, it is characterized in that: wherein powder filter device (9) is positioned at the outside in contamination tank (6) exit, this powder filter device (9) is made up of one layer of dust-proof cotton and one layer of cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306070.9A CN105759189A (en) | 2016-05-10 | 2016-05-10 | Suspension insulator filth deposition accelerating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610306070.9A CN105759189A (en) | 2016-05-10 | 2016-05-10 | Suspension insulator filth deposition accelerating device |
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| CN105759189A true CN105759189A (en) | 2016-07-13 |
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| CN201610306070.9A Pending CN105759189A (en) | 2016-05-10 | 2016-05-10 | Suspension insulator filth deposition accelerating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579943A (en) * | 2020-05-21 | 2020-08-25 | 国网山东省电力公司电力科学研究院 | Method for testing surface pollution pressure resistance of insulator coated with anti-pollution flashover coating |
| CN111595714A (en) * | 2020-05-29 | 2020-08-28 | 国网山东省电力公司电力科学研究院 | Test device and method for testing dirt adsorption performance of coating |
| CN111596178A (en) * | 2020-05-21 | 2020-08-28 | 国网山东省电力公司电力科学研究院 | Method for testing surface dirt pressure resistance of insulator coated with super-hydrophobic anti-pollution flashover coating |
| CN113447333A (en) * | 2021-07-29 | 2021-09-28 | 广东电网有限责任公司 | Insoluble dirt accumulation device and method |
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- 2016-05-10 CN CN201610306070.9A patent/CN105759189A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113447333A (en) * | 2021-07-29 | 2021-09-28 | 广东电网有限责任公司 | Insoluble dirt accumulation device and method |
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Application publication date: 20160713 |