CN106091513A - A kind of artificial snow-making snowberg method being applicable to electrical test and snowberg test product - Google Patents
A kind of artificial snow-making snowberg method being applicable to electrical test and snowberg test product Download PDFInfo
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- CN106091513A CN106091513A CN201610737187.2A CN201610737187A CN106091513A CN 106091513 A CN106091513 A CN 106091513A CN 201610737187 A CN201610737187 A CN 201610737187A CN 106091513 A CN106091513 A CN 106091513A
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- artificial snow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow
- F25C3/04—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow for sledging or ski trails; Producing artificial snow
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Abstract
The invention belongs to snowmaking technical field, be specifically related to a kind of artificial snow-making snowberg method being applicable to electrical test and snowberg test product.Described artificial snow-making snowberg method comprises the following steps: ice cube freeze system: freeze producing ice cakes in outdoor in the winter time or refrigerator；The selection of artificial snow-making instrument: with angle grinding machine as rotary power, with wire wheel as friction head, is arranged on wire wheel on the grinding machine of angle, wire wheel contact ice cube；Artificial snow-making snowberg: be placed near ice cube by snowberg test product, opening angle grinding machine, wire wheel rotates, and adjusts the contact position of wire wheel and ice cube, uses parabola falling body type or horizontal direct-injection type snowberg method snowberg on snowberg test product.The snowberg density of described snowberg test product is 0.08 0.15g/cm3, snowberg thickness is 38 cm.Artificial snow-making snowberg method of the present invention carries out artificial snow-making snowberg under conditions of ambient temperature≤10 DEG C, and snowberg speed is fast, and the snowberg time is short, and gained snowberg test product meets the requirement of electrical test.
Description
Technical field
The invention belongs to snowmaking technical field, be specifically related to a kind of artificial snow-making snowberg method being applicable to electrical test and cover
Snow test product.
Background technology
Snowfall is mainly reflected in snowberg insulator dielectric hydraulic performance decline and causes flashover fault the harm of power system
The aspects such as stress rupture are effectively caused with wire shaft tower accumulated snow.Develop and a kind of be applicable to the quick, efficient, close to true of electrical test
The artificial snow-making snowberg method of truth condition is of value to carries out corresponding artificial snowfall simulation test, prevents and treats Snowfall change defeated to power system
The harm that electricity equipment causes.
Existing snow making device (snow-cannon, atomizing snowmaker, snow machine, ice crushing machine etc.) is typically trickle with spray at a high speed
It is cardinal principle development that water droplet meet condensation in Cryogenic air to form snow grain, also has and uses trash ice method artificial snow-making.Existing make
Snow method is for specifically building scene mostly, and such as skifield, snow scenes sight, scenery, its artificial snow-making amount is big, artificial snow-making area
Extensively, the artificial snow-making time is long, and water source, power supply and ambient air temperature are required the highest by the snowmaker of use, are only limitted to the north in outdoor
Winter, area used, and then needed refrigeration system to maintain relatively low temperature in indoor.And electrical test is to artificial snow, snowberg side
Method has some technology following to require: (1) artificial snow-making, snowberg regional centralized；(2) form of artificial snow, density, dielectric constant are with true
Avenge close；(3) common laboratory room temperature condition (-2 ° 10 °) it is applicable to；(4) artificial snow-making speed is fast, and artificial snow-making direction, range are controlled.
Therefore, existing snow making method can not meet the needs carrying out electrical test.
Chinese patent CN104654697A discloses a kind of artificial snow system and artificial snow method, described man
Snow system includes: slice ice machine, and water is made flake ice；Ice bank, is connected with slice ice machine, stores flake ice；Low temperature water cooling machine, with storage
Icebox connects, and keeps flake ice to be in freezing state；Ice crushing machine, receives the flake ice from ice bank, and flake ice is ground into ice crystal；
Blower fan system, is blown to artificial snow-making position by ice crystal.Chinese patent 104964500A discloses a kind of grinding roller formula trash ice snowmaker, including
Compression roller breaker roll, attrition crushing motor, belt wheel, conveyer belt, wheel carrier, land wheel, crawler belt and left transfer roller support, described base plate two
Side is respectively arranged with two wheel carriers, and described wheel carrier is provided with land wheel, described land wheel is provided with crawler belt, sets on the left of described base plate
It is equipped with barrel fixed support, described barrel fixed support is provided with material storage tube, on the right side of described left transfer roller support, is provided with biography
Send band right support, described conveyer belt right support and left transfer roller support are separately installed with transfer roller, described transfer roller is installed
Having filter screen conveyer belt, described filter screen conveyer belt is provided with filtering holes, conveyer belt right support bottom is provided with extruding by bolt
Broken motor.But, the snow making method artificial snow-making time of above-mentioned patent is long, and place, equipment and temperature conditions require higher, uncomfortable
For the electrical test that repeatability is stronger.
Summary of the invention
For overcoming drawbacks described above, it is an object of the invention to provide a kind of artificial snow-making snowberg method being applicable to electrical test,
Snowberg uniformity.
Another object of the present invention is to provide a kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, be suitable for electricity
Gas is tested.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) ice cube freeze system: freeze producing ice cakes in outdoor in the winter time or refrigerator；
(2) selection of artificial snow-making instrument: with angle grinding machine as rotary power, with wire wheel as friction head, is arranged on angle mill by wire wheel
On machine, wire wheel contact ice cube；
(3) artificial snow-making snowberg: be placed near ice cube by snowberg test product, opening angle grinding machine, wire wheel rotates, and adjusts wire wheel and ice cube
Contact position, use parabola falling body type or horizontal direct-injection type snowberg method snowberg on snowberg test product.
Preferably, described step (1) described ice cube shaped is cylinder or cube.
Preferably, temperature≤-5 DEG C that described step (1) winter is outdoor, freeze the time processed >=3h.
Preferably, described step (1) refrigerator temperature≤-5 DEG C, freeze the time processed >=3h.
Preferably, described step (3) parabola falling body type snowberg method is: wire wheel rides over remote away from test product of ice cube
End side, adjust wire wheel angle make wachte exit direction for obliquely, wachte above snowberg test product by air drag and weight
Power effect drops on snowberg test product.
Preferably, in described step (3) parabola falling body type snowberg, the exit direction of wachte with the angle of horizontal direction is
30°-45°。
Preferably, described step (3) horizontal direct-injection type snowberg method is: wire wheel rides over ice cube near away from snowberg test product
End side, adjusts wire wheel angle and makes wachte exit direction be level injection, and wachte directly overlays snowberg test product one concentration
Region in.
Preferably, the ambient temperature of described step (3) artificial snow-making snowberg is≤10 DEG C.
Preferably, described step (3) artificial snow-making snowberg speed is 5-8L/min, snowberg time 5-9min.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is
0.08-0.15g/cm3, snowberg thickness is 3-8 cm.
The positive beneficial effect of the present invention:
1. the snowberg density of the artificial snow-making snowberg method snowberg test product that the present invention is applicable to electrical test is 0.08-0.15g/cm3,
Snowberg density is relatively big, and snowberg thickness is 3-8 cm, and snowberg speed is 5-8 L/min, and snowberg speed is fast, general snowberg time 5-
9min, can meet electrical test requirement, and snowberg region is relatively concentrated, and snowberg uniformity can be widely applied to electrical test.
2. the present invention is applicable to the artificial snow-making snowberg method of electrical test and freezes water source wide material sources needed for producing ice cakes, due to water
The freezing point of electrical conductivity and water be inversely proportional to, the water source electrical conductivity that general artificial snow-making needs is low, and needed for artificial snow-making of the present invention, water source is not subject to
Limit, wide material sources.
3. to be applicable to the artificial snow-making snowberg method of electrical test relatively low to the requirement of ambient temperature and test scene for the present invention,
Carrying out artificial snow-making snowberg under conditions of ambient temperature≤10 DEG C (being suitable to electrically test), outfit is prone to purchase, install, operation
Simply, working service is convenient；And simple and practical, workable, it is only necessary to 1-2 people can carry out.
Detailed description of the invention
Below in conjunction with some specific embodiments, the present invention is further described.
Embodiment 1
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in January, 2016, under the conditions of temperature≤-5 DEG C outdoor in the winter time, entering to hold with chalybeate waters barreled
The distilled water of long-pending 80% freezes 10h processed, obtains cylinder ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel contact ice cube；
(3) horizontal direct-injection type snowberg: in the indoor that temperature is 5 DEG C, support insulator is placed near ice cube, opening angle grinding machine,
Wire wheel rotates, and wire wheel rides over ice cube away from post insulator near-end side, adjusts wire wheel angle and makes wachte exit direction
Penetrating for level, wachte directly overlays in the region that support insulator one is concentrated, snowberg speed 8L/min, the snowberg time
5min, forms the snowberg of even compact.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.12g/
cm3, snowberg thickness 5cm.
Embodiment 2
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in December, 2015, under the conditions of refrigerator temperature≤-5 DEG C, container made of iron loads volume 70%
Distilled water freeze 3h processed, obtain cube ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel contact ice cube；
(3) parabola falling body type snowberg: in the indoor that temperature is 2 DEG C, is placed in support insulator ice cube 3 m at a distance, opens steel
Silk wheel, rides over the ice cube far-end side away from support insulator by wire wheel, adjusts wire wheel angle and makes the wachte exit direction be
Obliquely, the exit direction of wachte and the angle of horizontal direction are 45 °, wachte above support insulator by air drag and weight
Power effect drops on support insulator, snowberg speed 7L/min, snowberg time 6min, forms the snowberg of uniformity.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.1g/
cm3, snowberg thickness 6cm.
Embodiment 3
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in December, 2015, under the conditions of temperature≤-5 DEG C outdoor in the winter time, entering with chalybeate waters barreled
The distilled water of volume 70% freezes 10h processed, obtains cylinder ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel contact ice cube；
(3) horizontal direct-injection type snowberg: in the indoor that temperature is 8 DEG C, support insulator is placed near ice cube, opening angle grinding machine,
Wire wheel rotates, and wire wheel rides over ice cube away from post insulator near-end side, adjusts wire wheel angle and makes wachte exit direction
Penetrating for level, wachte directly overlays in the region that support insulator one is concentrated, snowberg speed 6L/min, the snowberg time
6min, forms the snowberg of even compact.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.08g/
cm3, snowberg thickness 3cm.
Embodiment 4
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in January, 2016, under the conditions of refrigerator temperature≤-5 DEG C, container made of iron loads volume 80%
Distilled water freeze 6h processed, obtain cylinder ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel contact ice cube；
(3) parabola falling body type snowberg: in the indoor that temperature is 3 DEG C, is placed in support insulator ice cube 2 m at a distance, opens steel
Silk wheel, rides over the ice cube far-end side away from support insulator by wire wheel, adjusts wire wheel angle and makes the wachte exit direction be
Obliquely, the exit direction of wachte and the angle of horizontal direction are 30 °, wachte above support insulator by air drag and weight
Power effect drops on support insulator, snowberg speed 5L/min, snowberg time 8min, forms the snowberg of uniformity.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.15g/
cm3, snowberg thickness 7cm.
Embodiment 5
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in January, 2016, under the conditions of temperature≤-5 DEG C outdoor in the winter time, entering to hold with chalybeate waters barreled
The distilled water of long-pending 70% freezes 12h processed, obtains cylinder ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel contact ice cube；
(3) horizontal direct-injection type snowberg: in the indoor that temperature is 10 DEG C, support insulator is placed near ice cube, opening angle grinding machine,
Wire wheel rotates, and wire wheel rides over ice cube away from post insulator near-end side, adjusts wire wheel angle and makes wachte exit direction
Penetrating for level, wachte directly overlays in the region that support insulator one is concentrated, snowberg speed 8L/min, the snowberg time
5min, forms the snowberg of even compact.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.11g/
cm3, snowberg thickness 6cm.
Embodiment 6
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in January, 2016, under the conditions of temperature≤-5 DEG C outdoor in the winter time, entering to hold with chalybeate waters barreled
The distilled water of long-pending 80% freezes 12h processed, obtains cylinder ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel inclination contact ice cube；
(3) horizontal direct-injection type snowberg: be the indoor of-2 DEG C in temperature, is placed in support insulator near ice cube, opening angle grinding machine,
Wire wheel rotates, and wire wheel rides over ice cube away from post insulator near-end side, adjusts wire wheel angle and makes wachte exit direction
Penetrating for level, wachte directly overlays in the region that support insulator one is concentrated, snowberg speed 8L/min, the snowberg time
6min, forms the snowberg of even compact.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.09g/
cm3, snowberg thickness 5cm.
Embodiment 7
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in December, 2015, under the conditions of temperature≤-5 DEG C outdoor in the winter time, entering with chalybeate waters barreled
The distilled water of volume 75% freezes 10h processed, obtains cylinder ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel inclination contact ice cube；
(3) parabola falling body type snowberg: in the indoor that temperature is 3 DEG C, is placed in support insulator ice cube 2.5 m at a distance, opens
Wire wheel, rides over the ice cube far-end side away from support insulator by wire wheel, adjusts wire wheel angle and makes wachte exit direction
For obliquely, the exit direction of wachte and the angle of horizontal direction are 40 °, wachte above support insulator by air drag and
Gravitational fall on support insulator, snowberg speed 5L/min, snowberg time 6min, formed uniformity snowberg.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.10g/
cm3, snowberg thickness 4cm.
Embodiment 8
A kind of artificial snow-making snowberg method being applicable to electrical test, comprises the following steps:
(1) icicle freeze system: in December, 2015, under the conditions of refrigerator temperature≤-5 DEG C, container made of iron loads volume 75%
Distilled water freeze 5h processed, obtain cube ice cube；
(2) selection of artificial snow-making instrument: with 100 type angle grinding machines as rotary power, rotating speed is 11000r/min, with 125 type bowl-type steel
Silk wheel is friction head, is arranged on by wire wheel on the grinding machine of angle, wire wheel inclination contact ice cube；
(3) horizontal direct-injection type snowberg: be the indoor of-2 DEG C in temperature, is placed in support insulator near ice cube, opening angle grinding machine,
Wire wheel rotates, and wire wheel rides over ice cube away from post insulator near-end side, adjusts wire wheel angle and makes wachte exit direction
Penetrating for level, wachte directly overlays in the region that support insulator one is concentrated, snowberg speed 6L/min, the snowberg time
9min, forms the snowberg of even compact.
A kind of snowberg test product utilizing above-mentioned artificial snow-making snowberg method to obtain, the snowberg density of described snowberg test product is 0.10g/
cm3, snowberg thickness 9cm.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, and this area is common
Other amendment or equivalents that technical scheme is made by technical staff, without departing from technical solution of the present invention
Spirit and scope, all should contain in the middle of scope of the presently claimed invention.
Claims (10)
1. the artificial snow-making snowberg method being applicable to electrical test, it is characterised in that comprise the following steps:
(1) ice cube freeze system: freeze producing ice cakes in outdoor in the winter time or refrigerator；
(2) selection of artificial snow-making instrument: with angle grinding machine as rotary power, with wire wheel as friction head, is arranged on angle mill by wire wheel
On machine, wire wheel contact ice cube；
(3) artificial snow-making snowberg: be placed near ice cube by snowberg test product, opening angle grinding machine, wire wheel rotates, and adjusts wire wheel and ice cube
Contact position, use parabola falling body type or horizontal direct-injection type snowberg method snowberg on snowberg test product.
Artificial snow-making snowberg method the most according to claim 1, it is characterised in that described step (1) described ice cube shaped is circle
Cylinder or cube.
Artificial snow-making snowberg method the most according to claim 1, it is characterised in that described step (1) winter outdoor temperature≤-
5 DEG C, freeze the time processed >=3h.
Artificial snow-making snowberg method the most according to claim 1, it is characterised in that described step (1) refrigerator temperature≤-5 DEG C, freezes
Time processed >=3h.
Artificial snow-making snowberg method the most according to claim 1, it is characterised in that described step (3) parabola falling body type snowberg
Method is: wire wheel rides over the ice cube far-end side away from test product, adjusts wire wheel angle and makes wachte exit direction be oblique
On, wachte above snowberg test product by air drag and gravitational fall on snowberg test product.
Artificial snow-making snowberg method the most according to claim 5, it is characterised in that described step (3) parabola falling body type snowberg
The exit direction of middle wachte and the angle of horizontal direction are 30 °-45 °.
Artificial snow-making snowberg method the most according to claim 1, it is characterised in that described step (3) horizontal direct-injection type snowberg side
Method is: wire wheel rides over ice cube away from snowberg test product near-end side, adjusts wire wheel angle and makes wachte exit direction be level
Injection, wachte directly overlays in the region that snowberg test product one is concentrated.
8. according to the artificial snow-making snowberg method described in any one of claim 1-7, it is characterised in that described step (3) artificial snow-making snowberg
Ambient temperature be≤10 DEG C.
9. according to the artificial snow-making snowberg method described in any one of claim 1-7, it is characterised in that described step (3) artificial snow-making snowberg
Speed is 5-8L/min, snowberg time 5-9min.
10. the snowberg test product that the artificial snow-making snowberg method that a kind utilizes described in any one of claim 1-9 obtains, it is characterised in that
The snowberg density of described snowberg test product is 0.08-0.15g/cm3, snowberg thickness is 3-8 cm.
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| CN201610737187.2A CN106091513B (en) | 2016-08-29 | 2016-08-29 | A kind of artificial snow-making snowberg method and snowberg test product suitable for electrical test |
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|---|---|---|---|
| CN201610737187.2A CN106091513B (en) | 2016-08-29 | 2016-08-29 | A kind of artificial snow-making snowberg method and snowberg test product suitable for electrical test |
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| CN106091513B CN106091513B (en) | 2018-07-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0391671A (en) * | 1989-09-01 | 1991-04-17 | Hitachi Ltd | Snow maker |
| CN2251699Y (en) * | 1996-04-08 | 1997-04-09 | 哈尔滨赛德技术发展有限公司 | Machine for production of artificial snow |
| CN203586642U (en) * | 2013-11-15 | 2014-05-07 | 国家电网公司 | Snowmaking device for V-shaped insulator string snow-covering test |
| CN104237490A (en) * | 2014-08-12 | 2014-12-24 | 北京建筑大学 | Snowfall and snow-melting simulating device |
| CN105242185A (en) * | 2015-10-29 | 2016-01-13 | 国家电网公司 | 66kV manual icing snow climate test apparatus |
| CN205255901U (en) * | 2015-02-16 | 2016-05-25 | 日本精工株式会社 | Manufacturing installation of frost form ice and endurance test device of wheel bearing |
-
2016
- 2016-08-29 CN CN201610737187.2A patent/CN106091513B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0391671A (en) * | 1989-09-01 | 1991-04-17 | Hitachi Ltd | Snow maker |
| CN2251699Y (en) * | 1996-04-08 | 1997-04-09 | 哈尔滨赛德技术发展有限公司 | Machine for production of artificial snow |
| CN203586642U (en) * | 2013-11-15 | 2014-05-07 | 国家电网公司 | Snowmaking device for V-shaped insulator string snow-covering test |
| CN104237490A (en) * | 2014-08-12 | 2014-12-24 | 北京建筑大学 | Snowfall and snow-melting simulating device |
| CN205255901U (en) * | 2015-02-16 | 2016-05-25 | 日本精工株式会社 | Manufacturing installation of frost form ice and endurance test device of wheel bearing |
| CN105242185A (en) * | 2015-10-29 | 2016-01-13 | 国家电网公司 | 66kV manual icing snow climate test apparatus |
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|---|---|
| CN106091513B (en) | 2018-07-17 |
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