CN105785195A - Ultra-high voltage insulator string raining test method - Google Patents
Ultra-high voltage insulator string raining test method Download PDFInfo
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- CN105785195A CN105785195A CN201610257436.8A CN201610257436A CN105785195A CN 105785195 A CN105785195 A CN 105785195A CN 201610257436 A CN201610257436 A CN 201610257436A CN 105785195 A CN105785195 A CN 105785195A
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- 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
- G01R31/003—Environmental or reliability tests
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Abstract
The invention discloses an ultra-high voltage insulator string raining test method. A raining device is arranged inside an artificially-simulated climate chamber (10), and a water supply device provides a water source for the raining device; the raining device is used for executing simulated raining on a to-be-tested ultra-high voltage insulator string located in the artificially-simulated climate chamber; in the raining device, a support is vertically arranged, and a nozzle group (96) arranged on the support is used for executing water spraying on the ultra-high voltage insulator string; a lifting driving device drives a movable support to perform lifting movement for adjusting the water spraying height of the nozzle; and the nozzle group (96) is arranged on the movable support. The ultra-high voltage insulator string raining test method adopts a vertical spraying device, and the natural rainfall environment can be simulated more efficiently.
Description
Technical field
The invention belongs to electrical engineering technical field, relate to a kind of UHV Long Insulator String salt fog test method, utilize this system exchange 1000kV, direct current ± 1000kV and following electric pressure insulator chain can be carried out manual simulation salt fog test.
Background technology
At present, UHV TRANSMISSION LINES IN CHINA is flourish and one of the Main way having become China's power network development, owing to transmission capacity is big, long transmission distance, transmission line of electricity passes through the mountain ridge, lake, is highly prone to the threat of the natural disasters such as thunderbolt, icing, heavy rain (drenching with rain).UHV Long Insulator String is as acting the important component part hung with insulating effect in UHV transmission line, its lending analysis is also inevitably subject to the impact of above natural disaster.In recent years, domestic and international power domain colleges and universities and scientific research institution establish high pressure thunder and lightning generator and transmission line simulation ice-coated test system in succession in high-potting hall and manual simulation climate room, and UHV Long Insulator String lending analysis under thunderbolt, icing environment has been carried out substantial amounts of experimental study.For UHV Long Insulator String test feature under rain spraying environment, owing to simulating the complexity of salt fog test system and to realize the difficulty of uniform rainfall very big, this was not carried out systematic study both at home and abroad.Rare research institution simply in the controlled environment chamber or field station utilize the flashover discharge test that low-voltage-grade insulator chain carries out under rain spraying environment by municipal tap water, rainwater electrical conductivity and drop size is unadjustable, uniformity is poor during due to above-mentioned salt fog test, causes that result of the test exists larger difference with the practical situation under natural environment.Domestic also have research worker to propose newly-built UHV Long Insulator String rain's laboratory, is specifically designed to research UHV Long Insulator String lending analysis under rain spraying environment, but finds costly after Project Budget and the construction period is long.And scene UHV transmission line operation maintenance experience have shown that: the insulator chain flashover discharge fault caused by drenching with rain happens occasionally and presents ever-increasing trend, the factors such as voltage and discharge path during flashover electric discharge and raindrop size and electrical conductivity, rainfall intensity, uniformity are relevant, and the flashover property of drenching with rain of UHV Long Insulator String and low-voltage-grade insulator chain there is also significant difference.
The patent of invention that publication number is 104330656A discloses a kind of simulation salt fog test system (application number: 201410542203.3), its core is to devise a kind of awning for spraying water, insulator chain on high-voltage transmission line pole tower is simulated salt fog test, insulator charged test under simulation greasy weather, rainy day environment, but the shower nozzle of this system is down, and water spray angle cannot be adjusted, the environment that it's raining and blowing hard cannot be simulated, therefore, the energy simulating various rainy effect is more weak, it is impossible to adapt to higher simulation test requirement.
Additionally, the utility model patent that publication number is 203551688U discloses a kind of high altitude localities composite insulator running environment analog systems (application number: 201320638456.1), misty rain weather for simulating high altitude area, but, this patent merely provides a kind of conception, does not provide detailed implementation detail, as how shower nozzle is arranged, how support etc., because there is also bigger distance from concrete application implementation.
Therefore, it is necessary to design a kind of novel UHV Long Insulator String salt fog test method.
Summary of the invention
The technical problem to be solved is to provide a kind of UHV Long Insulator String salt fog test method, and this UHV Long Insulator String salt fog test method adopts vertical spray device, can more effectively simulated rainfall environment.
The technical solution of invention is as follows:
A kind of UHV Long Insulator String salt fog test method, device of drenching with rain is fixed on manual simulation climate indoor, drenches with rain for the UHV Long Insulator String enforcement simulation for being arranged in manual simulation climate room to be tested；Water supply installation provides water source for device of drenching with rain；
Device of drenching with rain includes support and rack-mount jet head sets, and support is vertically installed at manual simulation climate indoor, and jet head sets is supplied water by water supply installation.
Described support includes fixed support, travel(l)ing rest and lifting drive；Lifting drive is arranged on fixed support top, and travel(l)ing rest is lifted on lifting drive；Lifting drive drives travel(l)ing rest along doing elevating movement, it is thus possible to regulate shower nozzle water spray height；
Described jet head sets is arranged on travel(l)ing rest.Preferably, each shower nozzle is installed on, every some distances, the height that the main pipeline left and right sides of drenching with rain is different, so can simulated rainfall process more accurately.
Described fixed support is provided with two vertical guide rails for providing guiding for travel(l)ing rest；Travel(l)ing rest can do elevating movement along guide rail.
Described guide rail is two closed slides, and described travel(l)ing rest is Rhizoma Sparganii frame-type support, and support has 3 vertical ribs, and upper and lower side is triangle.
Lifting drive is electric block, it is also possible to be manual wire-drawing type driving device, adopts manpower to drive, for existing mature technology.
The water supply line of described jet head sets includes a vertical main pipeline of drenching with rain, a connection flexible pipe and many athwartship legs (copper pipe)；The shower nozzle of jet head sets is connected with main pipeline of drenching with rain by athwartship leg；Drench with rain one end (preferred upper end) of main pipeline is connected flexible pipe and is connected with the outlet of water supply installation, and the other end is enclosed construction.Adopt the effect connecting flexible pipe to be easy for support and do not affect water supply when lifting.
The shower nozzle of described jet head sets adopts Universal adjustable Conic nozzle, can make from the water of drenching with rain of spray nozzle ejection is axially 45° angle or parallel with insulator when arriving UHV Long Insulator String surface, and in order to simulate, it's raining and blowing hard and the situation of naturally drenching with rain under quiet wind environment.
Described water supply installation includes the water tank of drenching with rain, water pump and the water valve of drenching with rain that are sequentially connected with.
The supply channel of described water supply installation is provided with the water pressure gauge for detecting real-time hydraulic pressure.Water pump is adjustable pressure water pump, such as variable frequency pump etc..
Described device of drenching with rain is also associated with feeder, feeder includes the air compressor, air accumulator and the emptying valve that are sequentially connected with, feeder is reliably connected with the water inlet being connected flexible pipe described in device of drenching with rain after converging with the output channel of water supply installation, after completing for salt fog test, ejection gas is to clear up pipeline and shower nozzle internal water accumulation.
Described electric block is called for short electric hoist, is a kind of small-sized crane gear, for existing matured product.
The system of the present invention can carry out transforming implementing on the basis of artificial icing climatic chamber, by existing artificial icing climatic chamber increase drench with rain support, shower nozzle and connect pipeline, so lower in cost.
Beneficial effect:
The invention provides a kind of UHV Long Insulator String salt fog test method, adopt vertical spray device, there is the effect that uniform spraying is good, use the method can realize the raindrop uniformity on UHV Long Insulator String surface of drenching with rain, raindrop size and electrical conductivity can be adjusted according to test needs, provide the test platform of high efficient and reliable for the UHV Long Insulator String flashover flash-over characteristic under simulating nature rainfall environment.
The present invention has following useful technique effect:
1) can realizing the raindrop uniformity on UHV Long Insulator String surface of drenching with rain, the direction drenched with rain, raindrop size and electrical conductivity, intensity of drenching with rain can be adjusted according to test needs；
2) by the adjustment of raindrop size, drench with rain the adjustment in direction and electrical conductivity regulates, the adjustment of travel(l)ing rest height, can actual rain spraying environment under simulating natural environment, provide the test platform of high efficient and reliable for carrying out UHV Long Insulator String flashover flash-over characteristic；
3) hydrops in pipeline of can system being drenched with rain after having tested empties, it is to avoid pipeline rust and shower nozzle that pipeline internal water accumulation residual causes block, and improve system service life；
4) existing artificial icing climatic chamber simply being transformed and implement salt fog test, it is necessary to equipment and the device of increase are few, it is easy to implement, whole water spray plant maintenance is convenient.
Accompanying drawing explanation
Fig. 1 is the overall schematic of UHV Long Insulator String salt fog test system；
Fig. 2 is spray equipment structural representation (axonometric chart)；
Fig. 3 is spray equipment structural representation (side view).
Label declaration: 1-drenches with rain water tank, 2-water pump, 3-water pressure gauge, 4-drenches with rain water valve, 5-air compressor, 6-air accumulator, 7-emptying valve, 8-UHV Long Insulator String, 9-drenches with rain device, 10-manual simulation climate room, 91-fixed support, 92-electric block, 93-steel wire rope, 94-travel(l)ing rest, 95-drenches with rain main pipeline, 96-jet head sets, 97-connects flexible pipe, 98-guide rail.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment, invention herein is done more comprehensively, described meticulously, but protection scope of the present invention is not limited to specific examples below.
Unless otherwise defined, to be generally understood that implication with those skilled in the art identical in all technical term used hereinafter.Technical term used herein is intended merely to the purpose describing specific embodiment, is not intended to limit the scope of the invention.
Embodiment:
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Embodiment 1: such as Fig. 1-3, a kind of UHV Long Insulator String salt fog test method, device 9 of will drenching with rain is fixed in manual simulation climate room 10, for being be arranged in manual simulation climate room UHV Long Insulator String to be tested 8 to implement simulation and drench with rain；Water supply installation provides water source for device of drenching with rain；
Device of drenching with rain includes support and rack-mount jet head sets 96, and support is vertically installed at manual simulation climate indoor, and jet head sets is supplied water by water supply installation.
Support includes fixed support 91, travel(l)ing rest 94 and lifting drive；Lifting drive is arranged on fixed support top, and travel(l)ing rest is lifted on lifting drive；Lifting drive drives travel(l)ing rest to do elevating movement, it is thus possible to regulate shower nozzle water spray height；
Jet head sets is arranged on travel(l)ing rest.Preferably, each shower nozzle is installed on, every some distances, the height that main pipeline 95 left and right sides of drenching with rain is different, so can simulated rainfall process more accurately.
Fixed support is provided with two vertical guide rails 98 for providing guiding for travel(l)ing rest；Travel(l)ing rest can do elevating movement along guide rail.
Guide rail is two closed slides, and travel(l)ing rest is Rhizoma Sparganii frame-type support, and support has 3 vertical ribs, and upper and lower side is triangle.
Lifting drive is electric block 92, it is also possible to be manual wire-drawing type driving device, adopts manpower to drive, for existing mature technology.
The water supply line of jet head sets includes a vertical main pipeline 95, of drenching with rain and connects flexible pipe 97 and many athwartship legs (copper pipe)；The shower nozzle of jet head sets is connected with main pipeline of drenching with rain by athwartship leg；Drench with rain one end (preferred upper end) of main pipeline is connected flexible pipe and is connected with the outlet of water supply installation, and the other end is enclosed construction.Adopt the effect connecting flexible pipe to be easy for support and do not affect water supply when lifting.
The shower nozzle of jet head sets adopts Universal adjustable Conic nozzle, and can make the water of drenching with rain sprayed from spray nozzle is axially 45° angle or parallel with insulator when arriving UHV Long Insulator String surface, in order to simulate the situation of naturally drenching with rain under windy and rainy and quiet wind environment.Axially refer in 45° angle that with extra-high voltage insulator the drench with rain latter end of waterline and the angle of vertical direction of ejection is 45 degree, parallel refer to that the drench with rain latter end of waterline of ejection is vertical direction.
Water supply installation includes the water tank 1 of drenching with rain, water pump 2 and the water valve 4 of drenching with rain that are sequentially connected with.
The supply channel of water supply installation is provided with the water pressure gauge 3 for detecting real-time hydraulic pressure.Water pump is adjustable pressure water pump, such as variable frequency pump etc..
Device of drenching with rain is also associated with feeder, feeder includes the air compressor 5, air accumulator 6 and the emptying valve 7 that are sequentially connected with, feeder is reliably connected with the water inlet being connected flexible pipe in device of drenching with rain after converging with the output channel of water supply installation, after completing for salt fog test, ejection gas is to clear up pipeline and shower nozzle internal water accumulation.
In this embodiment, water tank 1 of drenching with rain adopts commercially available SUS304 type rustless steel attemperater, water tank capacity 8m3, reserved above with charge door to regulate water conductivity of drenching with rain；Adjustable pressure water pump adopts commercially available TD40-25/2SWHC type pipe circle pump, tuning range 0-50Hz, specified discharge pressure 0.8MPa；Water pressure gauge adopts commercially available DIM10 type digital display manometer, range 0-1.0Mpa, precision ± 0.5%；Drench with rain water valve, emptying valve adopt commercially available SKD80 type electrically operated valve, total travel time 10s, power 20W；Air compressor adopts commercially available V110-8W type air compressor machine, pressure at expulsion 0.8MPa, rated power 110kW；Air accumulator adopts commercially available TS3/1.0 type low pressure gasholder, operating pressure 1.0Mpa, volume 3m3；UHV Long Insulator String, adopting commercially available XZP1-300 type extra-high voltage ceramic insulation substring, sheet number is 54, rated voltage AC1000kV, tonnage 300kN；Fixed support adopts commercially available Q235 type angle steel to be welded, angle steel size 3000 × 100 × 10mm；Electric block adopts commercially available CD-5 type lifting type electric block, maximum lifting tonnage 5t；Steel wire rope 93 adopts commercially available FC-6 × 7 type hot-galvanized steel cord, diameter 10mm, specified tensile load 5 tons；A-frame adopts and is spliced by 6000 × 40 × 40mm aluminium alloy quadrangular and 4900 × 40 × 40mm aluminium alloy eight prism, size 0.85m × 0.5m × 12m；Main pipeline of drenching with rain adopts commercially available DN32 type coating steel pipe, diameter 32mm, wall thickness 2mm, the long 12m of pipeline；Jet head sets is overlapped commercially available KT-SS type Universal adjustable Conic nozzle interval about 0.5m by 24 and is arranged in main pipeline both sides of drenching with rain, shower nozzle bore 2mm, nozzle direction in the vertical direction 30-90 ° adjustable；Connect flexible pipe and adopt commercially available INR-32 type high-pressure hose, caliber 32mm, wall thickness 5mm；Guide rail adopts the aluminum alloy trough steel of 33 × 30 × 6000mm, wall thickness 3mm to make；Manual simulation climate room 10 adopts steel I-beam to set up the polyurethane storehouse warming plate that support frame, surrounding and ceiling insulation material adopt thickness to be 20cm, pilot region headroom size 27m × 27m × 32m.
Above-mentioned water tank of drenching with rain, adjustable pressure water pump, water pressure gauge, water valve of drenching with rain, air compressor, air accumulator, emptying valve, UHV Long Insulator String and fixed support, electric block, steel wire rope, A-frame, main pipeline of drenching with rain, jet head sets, connection flexible pipe, guide rail and manual simulation climate room, according to technique scheme, carry out building and connecting with reference to Fig. 1-3.The outlet of water tank that is about to drench with rain is connected with the water inlet of adjustable pressure water pump.The outlet of adjustable pressure water pump is connected with the water inlet of water valve of drenching with rain after water pressure gauge.The gas outlet of air compressor is connected with the air inlet of air accumulator.The gas outlet of air accumulator is connected with the air inlet of emptying valve.The outlet of water valve of drenching with rain enters manual simulation climate room after converging with the gas outlet of emptying valve and is connected flexible pipe and is connected with device of drenching with rain.
The fixed support of device of drenching with rain reliably is fixed by the side insulation wall of bolt and manual simulation climate room, ground and end face.Electric block is fixed on support bracket fastened crossbeam by U-shaped buckle.Steel wire rope one end is connected with the hook of electric block, and the other end is connected with A-frame.The water inlet that drenching with rain main pipeline upper end and is connected flexible pipe is welded on A-frame after being connected.In jet head sets, the water inlet of each shower nozzle is connected with the main pipeline left and right sides perforate every some distances of drenching with rain through copper pipe.Guide rail is fixed by welding on fixed support.Two seamed edges of the inner side of A-frame are engaged in guide rail.UHV Long Insulator String hangs on the liftoff certain altitude in manual simulation climate room by the electric block of liftable and rotation.
A kind of UHV Long Insulator String salt fog test method of the present invention of said structure, after trial-production and test, it is proved to reliably feasible in manual simulation climate room, the raindrop uniformity on UHV Long Insulator String surface of drenching with rain can be realized, raindrop size, electrical conductivity and intensity of drenching with rain (rainfall) can be adjusted according to test needs, and there is simple to operate, the convenient feature of operation maintenance, it is fully achieved designing requirement.
Device of drenching with rain is vertical spray device, core component for whole UHV Long Insulator String salt fog test method, as in figure 2 it is shown, include fixed support, electric block, steel wire rope 93, A-frame, main pipeline 95 of drenching with rain, jet head sets 96, connect flexible pipe 97, guide rail 98.The outlet of water tank 1 of wherein drenching with rain is connected with the water inlet of adjustable pressure water pump.The outlet of adjustable pressure water pump is connected with the water inlet of water valve 4 of drenching with rain.Adjustable pressure water pump with the connection pipeline of water valve of drenching with rain are provided with water pressure gauge 3.The gas outlet of air compressor 5 is connected with the air inlet of air accumulator 6.The gas outlet of air accumulator 6 is connected with the air inlet of emptying valve 7.The outlet of water valve 4 of drenching with rain enters manual simulation climate room 10 and is connected the water inlet of flexible pipe 97 and is connected with device 9 of drenching with rain after converging with the gas outlet of emptying valve 7.The fixed support 91 of device 9 of drenching with rain reliably is fixed with the side insulation wall of manual simulation climate room 10, ground and end face by bolt.Electric block 92 is fixed on the crossbeam of fixed support 91 by U-shaped buckle.Steel wire rope 93 one end is connected with the hook of electric block 92, and the other end is connected with Rhizoma Sparganii frame-type support (hereinafter referred to as A-frame).Drench with rain main pipeline 95 for upper end open lower end head enclosed construction, and its upper end is connected with the water inlet being connected flexible pipe 97, and whole main pipeline 95 of drenching with rain is by welding firm being fixed on A-frame.In main pipeline 95 left and right sides of drenching with rain, after some distance spaced openings, the water inlet through copper pipe with each shower nozzle of jet head sets 96 is connected.Guide rail 98 is fixed by welding on fixed support 91, and two ribs of A-frame are engaged in guide rail 98 thus realizing A-frame oscilaltion on guide rail 98.UHV Long Insulator String 8 hangs on, by the electric block of liftable and rotation, the height that manual simulation climate room 10 is overhead certain.
The operation principle of the present invention is: when UHV Long Insulator String 8 being carried out salt fog test in manual simulation climate room 10, is first shut off emptying valve 7 and opens water valve 4 of drenching with rain.Need to add a certain amount of sodium chloride to drench with rain in regulating tank with electrical conductivity of water to testing desirable value in water tank 1 of drenching with rain according to test.Connect adjustable pressure water pump 2 and the working power of device electric block 92 of drenching with rain, drench with rain water after adjustable pressure water pump 2 from what water tank 1 outlet of drenching with rain flowed out, regulate the frequency of adjustable pressure water pump 2, making to flow to, through water valve 4 of drenching with rain, device of drenching with rain and connect the water pressure continuously adjustabe of drenching with rain of flexible pipe 97, the pressure value of water of drenching with rain can read in real time from water pressure gauge 3.There is drenching with rain of certain pressure in connection flexible pipe 97 and use water, under hydraulic pressure effect, flow into, through main pipeline 95 of drenching with rain, the jet head sets 96 being evenly arranged in main pipeline 95 left and right sides of drenching with rain, after water of drenching with rain is broken in each shower nozzle of jet head sets 96, be ejected to UHV Long Insulator String 8 surface at a high speed from shower nozzle mouth.Carry out adjusting triangle support by the rotating folding and unfolding steel wire rope 93 of control electric block 92 on guide rail 98, slide into liftoff certain altitude, until whole UHV Long Insulator String 8 is all located at track the drenching with rain in region in " parabola " shape from jet head sets 96 ejection.Regulate the frequency of adjustable pressure water pump 2, thus changing the pressure value of water of drenching with rain, the Raindrop diameter size from the ejection of jet head sets 96 each shower nozzle and whole intensity of drenching with rain (rainfall) can be changed, in order to the light rain under simulating natural environment, moderate rain and heavy rain practical situation.Owing to jet head sets 96 adopts Universal adjustable Conic nozzle, cone shape is presented to space divergence from the raindrop of spray nozzle ejection, so that the water column sprayed from adjacent shower nozzle can both horizontally and vertically form cross point, then it drop to UHV Long Insulator String 8 surface uniformly；According to IEC, in order to simulate, it's raining and blowing hard and the situation of drenching with rain under quiet wind environment, the nozzle direction of each shower nozzle of nozzle adjustable group 96 before salt fog test, so that water of drenching with rain is axially 45° angle (windy and rainy situation) or parallel (quiet landscape condition) with insulator when arriving UHV Long Insulator String 8 surface.When the frequency regulating adjustable pressure water pump 2 makes Raindrop diameter of drenching with rain, both horizontally and vertically rainfall and the uniformity on arrival UHV Long Insulator String 8 surface reach test requirements document, namely the UHV Long Insulator String 8 under rain spraying environment is carried out the tests such as pressure, electric discharge flashover by available high pressure generator device.When salt fog test terminates, closedown is drenched with rain water valve 4, open emptying valve 7 simultaneously and connect the working power of air compressor 5, the compression gas produced by air compressor 5 is drenched with rain in pipeline through emptying valve 7 entrance after entering air accumulator, the water of drenching with rain of residual in pipeline of drenching with rain, by each shower nozzle ejection of jet head sets 96, is residued in pipeline inner rust erosion pipeline and blocking shower nozzle for a long time with rainwater-proof.Finally disconnect the working power of adjustable pressure water pump 2, drench with rain device electric block 92 and air compressor 5, off-test.
Claims (10)
1. a UHV Long Insulator String salt fog test method, drenches with rain device in the setting of manual simulation climate indoor, and adopting water supply installation is that device of drenching with rain provides water source；Device of drenching with rain is drenched with rain for the UHV Long Insulator String enforcement simulation for being arranged in manual simulation climate room to be tested；
It is characterized in that, in device of drenching with rain, support is vertically-mounted, the jet head sets arranged on support is for implementing water spray for UHV Long Insulator String.
2. UHV Long Insulator String salt fog test method according to claim 1, it is characterised in that described support includes fixed support, travel(l)ing rest and lifting drive；Lifting drive is arranged on fixed support top, and travel(l)ing rest is lifted on lifting drive；Lifting drive drives travel(l)ing rest to do elevating movement, it is thus possible to regulate shower nozzle water spray height；
Jet head sets is arranged on travel(l)ing rest.
3. UHV Long Insulator String salt fog test method according to claim 2, it is characterised in that fixed support is provided with two vertical guide rails for providing guiding for travel(l)ing rest；Travel(l)ing rest can do elevating movement along guide rail.
4. UHV Long Insulator String salt fog test method according to claim 3, it is characterised in that described guide rail is two closed slides, described travel(l)ing rest is Rhizoma Sparganii frame-type support.
5. UHV Long Insulator String salt fog test method according to claim 2, it is characterised in that described lifting drive is electric block.
6. UHV Long Insulator String salt fog test method according to claim 1, it is characterised in that the water supply line of described jet head sets includes a vertical main pipeline of drenching with rain, a connection flexible pipe and many athwartship legs；The shower nozzle of jet head sets is connected with main pipeline of drenching with rain by athwartship leg；Drench with rain one end of main pipeline is connected flexible pipe and is connected with the outlet of water supply installation, and the other end is enclosed construction.
7. UHV Long Insulator String salt fog test method according to claim 1, it is characterized in that, the shower nozzle of described jet head sets adopts Universal adjustable Conic nozzle, can make from the water of drenching with rain of spray nozzle ejection is axially 45° angle or parallel with insulator when arriving UHV Long Insulator String surface, and in order to simulate, it's raining and blowing hard and the situation of naturally drenching with rain under quiet wind environment.
8. the UHV Long Insulator String salt fog test method according to any one of claim 1-7, it is characterised in that described water supply installation includes the water tank of drenching with rain, water pump and the water valve of drenching with rain that are sequentially connected with.
9. UHV Long Insulator String salt fog test method according to claim 8, it is characterised in that the supply channel of described water supply installation is provided with the water pressure gauge for detecting real-time hydraulic pressure.
10. UHV Long Insulator String salt fog test method according to claim 6, it is characterized in that, device of drenching with rain is also associated with feeder, feeder includes the air compressor, air accumulator and the emptying valve that are sequentially connected with, feeder is reliably connected with the water inlet being connected flexible pipe described in device of drenching with rain after converging with the output channel of water supply installation, after completing for salt fog test, ejection gas is to clear up pipeline and shower nozzle internal water accumulation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112665788A (en) * | 2020-12-14 | 2021-04-16 | 人本股份有限公司 | Rainwater simulation device for railway axle box bearing sealing test |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126792A (en) * | 2007-01-31 | 2008-02-20 | 重庆大学 | Large scale multifunctional artificial climate room system for electrical test |
| CN201226016Y (en) * | 2008-04-01 | 2009-04-22 | 中国电力科学研究院 | Multifunctional testing equipment for artificial environment |
| US20120175425A1 (en) * | 2011-01-11 | 2012-07-12 | Harris Corporation | Systems and methods for controlling a sprinkler system based on sensor information |
| CN202465985U (en) * | 2012-01-20 | 2012-10-03 | 北京中丽制机工程技术有限公司 | Silk bundle oil sprinkler |
| CN104833909A (en) * | 2015-04-20 | 2015-08-12 | 国家电网公司 | Artificial simulated climate chamber test device capable of forming multiple icing types |
| CN105413908A (en) * | 2015-11-23 | 2016-03-23 | 苏州华电电气股份有限公司 | Spray test device |
-
2016
- 2016-04-22 CN CN201610257436.8A patent/CN105785195A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126792A (en) * | 2007-01-31 | 2008-02-20 | 重庆大学 | Large scale multifunctional artificial climate room system for electrical test |
| CN201226016Y (en) * | 2008-04-01 | 2009-04-22 | 中国电力科学研究院 | Multifunctional testing equipment for artificial environment |
| US20120175425A1 (en) * | 2011-01-11 | 2012-07-12 | Harris Corporation | Systems and methods for controlling a sprinkler system based on sensor information |
| CN202465985U (en) * | 2012-01-20 | 2012-10-03 | 北京中丽制机工程技术有限公司 | Silk bundle oil sprinkler |
| CN104833909A (en) * | 2015-04-20 | 2015-08-12 | 国家电网公司 | Artificial simulated climate chamber test device capable of forming multiple icing types |
| CN105413908A (en) * | 2015-11-23 | 2016-03-23 | 苏州华电电气股份有限公司 | Spray test device |
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| CN112665788A (en) * | 2020-12-14 | 2021-04-16 | 人本股份有限公司 | Rainwater simulation device for railway axle box bearing sealing test |
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Application publication date: 20160720 |