CN203362411U - Carbon crystal anti-icing system for aerogenerator - Google Patents
Carbon crystal anti-icing system for aerogenerator Download PDFInfo
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- CN203362411U CN203362411U CN2013202176841U CN201320217684U CN203362411U CN 203362411 U CN203362411 U CN 203362411U CN 2013202176841 U CN2013202176841 U CN 2013202176841U CN 201320217684 U CN201320217684 U CN 201320217684U CN 203362411 U CN203362411 U CN 203362411U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a carbon crystal anti-icing system for an aerogenerator. Nanoscale and conductive carbon crystal is printed on a carrier surface so that a thin carbon crystal electrothermal plate provided with two electrodes is formed to be used as a layer surface of a blade forming layer so that a heating layer is formed. The heating layer is divided into multiple heating areas. Each heating area is provided with temperature online measurement and control. Temperature rise control is carried out by a power unit, corresponding to each heating area, in a heating control cabinet. Surface temperature of the heating areas is kept more than 0 degree centigrade and close to 0 degree centigrade. The anti-icing control system controls the heating areas in simultaneous or alternative working modes. Online anti-icing or ice-melting can be achieved. The carbon crystal anti-icing system for the aerogenerator has following beneficial effects: the carbon crystal electrothermal plate is used as an electrical heating material of an anti-icing blade; the blade is simple in manufacturing technology, the anti-icing heating process is uniform and controllable; a temperature online monitoring closed-loop control mode is adopted; and the anti-icing operation is stable, safe and energy-saving.
Description
Technical field
The utility model relates to a kind of technology that prevents that outdoor equipment surface is icing, relates in particular to a kind of wind-driven generator and adopts the brilliant heating material of carbon to carry out the anti-icing system of the wind-driven generator of the anti-icing or ice-melt of electric heating, belongs to technical field of wind power generating equipment.
Background technique
Winter in 2012, in China, 2 wheat harvesting periods of stopping transport because fan blade is icing as more southern wind energy turbine set, cause serious power generation loss; Abroad, as the northern territory of the countries such as Russia, Sweden, Canada, the part wind energy turbine set is because fan blade freezes, and annual the stoppage in transit reaches 3 months, and some wind field blades freeze blocked up, the blower fan collapse accident occurs; It is current global problem in the urgent need to address that fan blade freezes, and has both affected existing wind-driven generator and has exerted oneself, and has limited again the exploitation of some high-quality wind-resources of severe cold area, becomes the technical bottleneck that hinders the wind-powered electricity generation industry development.
Chinese invention patent application prospectus CN 102878036 A disclose a kind of aero-generator rotor blade with electro-heat deicing apparatus, adopt electro-heat deicing apparatus to be attached to the surface of blade, in internal surface and interlayer, the material of fan blade is generally the composite material of bad thermal conductance, its ice-melting device comprises thermal insulation layer, electric heating element and isolation layer, electric heating element comprises the electrothermal chip of the soft silk of German silver low temperature or nichrome electric heating wire or Cr-Al alloy electric heating wire, belong to the body heating after the electric heating wire energising, heating concentrates on inner core, easily cause blade interior or surface local overheated, cause the part energy waste, there is no on-line temperature monitoring in heating process, belong to open loop control mode, there is the hidden danger of catching fire in blade localized hyperthermia, the thickness of the electro-heat deicing apparatus that this patent is described simultaneously is 2mm-4mm, the insulating radiation layer is the PVC engineering plastics, the surface that is attached to blade easily comes off, be attached to the structural capacity that can reduce blade in the internal surface of blade and interlayer, blade is under general freezing environmental conditions, anti-icing or power that ice-melt need to consume is larger during operating condition, and this invention to describe the peak output arranged be just 400W/m
2,, blade is in the rotary electrification process, and the blade ice-melt be take the convection heat losses as main, blade tip convection heat losses maximum, the surface temperature that maintain near the blade tip position is greater than 0 degree centigrade and not icing, and the energy consumption that need to provide surpasses 1000W/m
2, visible this patent has broken away from reality, the more difficult effect that realizes its online ice-melt.
Chinese utility model patent 201220245659.X discloses the automatic anti-icing and de-icing device of a kind of fan blade, employing is at blade surface coated with conductive coating or cover conductive film, in use being heated easily comes off and be not easy to subregion controls, this patent is described and is adopted the dynamically middle surface temperature of measuring a certain position of blade lee face and windward side of infrared measurement of temperature element simultaneously, can not represent the temperature conditions of whole blade, this infrared measurement of temperature element is in extraneous freezing environment fragile simultaneously, measurement error is large, reliability is low, be difficult to the purpose that realizes that its fan blade is anti-icing.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of anti-icing system with simple structure, reliable, stable, economic wind-driven generator, this system adopts the carbon-crystal electric hot plate heating material anti-icing as blade, simple, the anti-icing homogeneous heating of the manufacturing process of blade and do not affect the structural strength of blade, adopt the close-loop control mode of temperature online observing and controlling, system realizes anti-icing or ice-melt automatically.
The technical problems to be solved in the utility model is achieved by following technical proposals:
For the brilliant anti-icing system of the carbon of a kind of wind-driven generator of the present utility model, comprise anti-icing blade and anti-icing control system, described anti-icing control system comprises power switch, the wheel hub slip ring, heating control cabinet, described heating control cabinet mainly comprises a plurality of power cells and PLC or single-chip microcomputer, PLC or single-chip microcomputer are controlled a plurality of power cells in its inside, described anti-icing blade comprises exterior skin, core, inside panel, be provided with the web bonding with inside panel in the chamber that described inside panel wraps up, the inside panel skin is core, the skin of described core is exterior skin, the Huo Ci top layer, top layer of exterior skin is set to carbon-crystal electric hot plate, form zone of heating, at least be divided into two heating regions in described zone of heating, the power of the carbon-crystal electric hot plate of heating region is arranged according to the anti-icing required peak output of radial location of living in, the carbon-crystal electric hot plate of each heating region adopts in parallel or series connection or go here and there and combine the mode of connection and is connected with the power output end of power cell to should be regional, the surface of carbon crystalline substance, the surface of heating region and the surface of non-heating region are provided with temperature transducer, the temperature transducer of each heating region is connected with the signal input part of power cell to should zone, the testing environment temperature, humidity, the sensor of wind speed is connected with the signals collecting end of PLC in heating control cabinet or single-chip microcomputer, PLC or single-chip microcomputer are according to the model generalization analysis environments temperature set in advance, humidity, the signal of wind speed judges and controls the start and stop of anti-icing control system, PLC or single-chip microcomputer are analyzed the temperature signal that each heating region gathers, control the power cell of corresponding region, adjust in time the heating power of carbon-crystal electric hot plate, keep the surface temperature of heating region to be greater than 0 degree centigrade and approach 0 degree centigrade, PLC or single-chip microcomputer can be controlled as while or alternate mode each heating region, carry out anti-icing or ice-melt automatically, make the energy consumption of anti-icing or ice-melt drop to minimum.
In the utility model, the power of the carbon-crystal electric hot plate of zone of heating be according to fan blade under the condition of using wind field freezed in winter environment, the heating power that keeps the blade surface temperature to be greater than 0 degree centigrade while generating electricity during the blower fan rated speed is arranged, heat is provided while turning round under various microthermal climate conditions for blade different surfaces position, keep the blade surface temperature to be greater than and to approach the thermal equilibrium of 0 degree centigrade, the power of carbon-crystal electric hot plate is at 400W/m
2～4000W/m
2within scope.
In the utility model, the Huo Ci top layer, top layer of the exterior skin of blade is all or part of carbon-crystal electric hot plate, form zone of heating, in icing and not serious wind field, Huo Ci top layer, top layer in the icing key area of blade is made as carbon-crystal electric hot plate, form zone of heating, reduce the production cost, can reach equally desirable anti-icing effect.
In the utility model, carbon-crystal electric hot plate comprises carrier side, the carbon crystalline substance, electrode, the material of the mutual fusion of carrier side employing and blade exterior skin material same system, be convenient to and other each layer integral body that permeates, the carbon crystalline substance is the heating material of nano level pure resistance characteristic, also be convenient to printing and make the carbon-crystal electric hot plate of different capacity, the carbon crystalline substance sticks on carrier side and forms current path with the electrode at two ends, because carbon-crystal electric hot plate is the face heating, temperature rise is rapid and even, hot ageing resistance is strong, electric conversion efficiency is up to 98%, having overcome the heating of linear conductor thermal source concentrates, heat inhomogeneous, surface temperature rise is controlled a complicated difficult problem.
In the utility model, described carbon-crystal electric hot plate is provided with hole or groove, the straight scope in hole is 1mm～10mm, or the well width scope is 1～10mm, mode by punching or fluting is adjusted the power of carbon-crystal electric hot plate, when the hole on carbon-crystal electric hot plate or groove are conducive to blade and produce simultaneously during the resin priming by vacuum resin perfusion fill, put in place.
In the utility model, the thickness range of carbon-crystal electric hot plate is 0.2 mm～1 mm, is convenient to the technology arrangement of carbon-crystal electric hot plate in the blade production process.
In the utility model, the surface of blade scribbles coating, and that coating has is anticorrosion, abrasionproof, anti-ultraviolet effect.
In sum, the utlity model has simple in structure, anti-icing effective, energy consumption is low, realized wind-driven generator the running power generation process in on-line automatic anti-icing or ice-melt.
The accompanying drawing explanation
The theory diagram that Fig. 1 is a kind of anti-icing control system of the present utility model.
The schematic cross-section that Fig. 2 is a kind of anti-icing blade in case study on implementation of the present utility model.
The stratiform structure schematic diagram that Fig. 3 is A place in this Fig. 2.
Fig. 4 is the structural representation that a kind of anti-icing blade of the present utility model time top layer is set to zone of heating.
Fig. 5 is that a kind of anti-icing leaf surface of the present utility model all is set to zone of heating and is divided into the structural representation of seven heating regions.
The structural representation that Fig. 6 is a kind of carbon-crystal electric hot plate of the present utility model.
The schematic cross-section that Fig. 7 is a kind of carbon-crystal electric hot plate of the present utility model.
In accompanying drawing 1-7: 1-exterior skin, 2-core, 3-inside panel, 4-coating, 5-zone of heating, 6-blade tip, 7-blade root, 8-trailing edge, 9-leading edge, 10-electrode, 11-groove, 12-carrier side, 13-carbon crystalline substance, 14-web, 15-chamber, 16-temperature transducer.
Embodiment
Below in conjunction with accompanying drawing, describe a kind of embodiment of the brilliant anti-icing system of carbon of wind-driven generator in detail.
As shown in Fig. 1 to 7, the brilliant anti-icing system of a kind of carbon of wind-driven generator, comprise anti-icing blade and anti-icing control system, described anti-icing control system comprises power switch, the wheel hub slip ring, heating control cabinet, described heating control cabinet mainly comprises a plurality of power cells and PLC or single-chip microcomputer, PLC or single-chip microcomputer are controlled a plurality of power cells, described anti-icing blade comprises exterior skin 1, core 2, inside panel 3, be provided with the web bonding with inside panel 14 in the chamber 15 that described inside panel 3 wraps up, the inside panel skin is core 2, the skin of described core is exterior skin 1, the Huo Ci top layer, top layer of exterior skin is set to carbon-crystal electric hot plate, form zone of heating, case study on implementation Fig. 5 is divided into seven heating regions in described zone of heating, the power of the carbon-crystal electric hot plate of heating region is arranged according to the anti-icing required peak output of radial location of living in, linear velocity from the blade root 7 of blade to the locality of blade tip 6 increases, it is large that the thermal loss of convection current becomes, the unit area power of anti-icing needs also becomes large, same not identical to leading edge 9 locality convection heat losses at the trailing edge 8 of blade yet, consider the carbon-crystal electric hot plate of convection heat losses's difference reasonable Arrangement appropriate power of this two direction, form the zone of heating 5 of anti-icing blade, the carbon-crystal electric hot plate of each heating region adopts in parallel or series connection or go here and there and combine the mode of connection and is connected with the power output end of power cell to should be regional, the surface of carbon crystalline substance 13, the surface of heating region and the surface of non-heating region are provided with temperature transducer 16, the temperature transducer of each heating region is connected with the signal input part of power cell to should zone, for improving thermometric degree of accuracy and reliability, temperature transducer 16 at the pre-buried a plurality of same functions of identical heating region, carry out the comparative analysis of measured value or get measurement mean value, the testing environment temperature, humidity, the sensor of wind speed is connected with the signals collecting end of PLC in heating control cabinet or single-chip microcomputer, PLC or single-chip microcomputer are according to the model generalization analysis environments temperature set in advance, humidity, the signal of wind speed judges and controls the start and stop of anti-icing control system, after anti-icing control system starts, PLC or single-chip microcomputer are analyzed the temperature signal that each heating region gathers, the power cell of controlling corresponding region is adjusted the heating power of carbon-crystal electric hot plate in time, keep the surface temperature of heating region to be greater than 0 degree centigrade and approach 0 degree centigrade, PLC or single-chip microcomputer can be controlled as while or alternate mode each heating region, make the energy consumption of anti-icing or ice-melt drop to minimum, PLC or single-chip microcomputer feed back to the blower fan master control system by the system operation information, be convenient to the operations staff and concentrate the operation conditions that monitors the wind-driven generator anti-icing system, the operations staff can be arranged or be operated anti-icing control system by the blower fan master control system simultaneously.
In the utility model, the power of the carbon-crystal electric hot plate of zone of heating be according to fan blade under the condition of using wind field freezed in winter environment, the heating power that keeps the blade surface temperature to be greater than 0 degree centigrade during the generating of blower fan rated speed is arranged, heat is provided while turning round under various microthermal climate conditions for blade different surfaces position, keep the blade surface temperature to be greater than and to approach the thermal equilibrium of 0 degree centigrade, according to the anti-icing analog computation of blade and experimental test and analysis, the power of the carbon-crystal electric hot plate of use is at 400W/m
2～4000W/m
2within scope.
In the utility model, Fig. 4 adopts and all is made as carbon-crystal electric hot plate on the inferior top layer of blade exterior skin, form zone of heating 5, can also use according to wind-driven generator the weather conditions of wind field simultaneously, selection adopts top layer all to be made as carbon-crystal electric hot plate or surface part is made as carbon-crystal electric hot plate or inferior surface part is made as carbon-crystal electric hot plate, form zone of heating 5, in icing and not serious wind energy turbine set, be made as carbon-crystal electric hot plate on the Huo Ci top layer, top layer of the key area of blade exterior skin and form zone of heating, reduce the production cost, can reach equally desirable anti-icing effect.
In the utility model, carbon-crystal electric hot plate comprises carrier side 12, carbon crystalline substance 13, electrode 10, the material of the mutual fusion of carrier side employing and blade exterior skin material same system, be convenient to and other each layer integral body that permeates, the carbon crystalline substance is the heating material of nano level pure resistance characteristic, also be convenient to printing and make the carbon-crystal electric hot plate of different capacity, carbon crystalline substance 13 sticks on carrier side 12 and forms current path with the electrode 10 at two ends, because carbon-crystal electric hot plate is the face heating, temperature rise is rapid and even, hot ageing resistance is strong, having overcome the heating of linear conductor thermal source concentrates, heat inhomogeneous, surface temperature rise is controlled a complicated difficult problem.
In the utility model, as Fig. 6, in a kind of case study on implementation, carbon-crystal electric hot plate is provided with groove 11, the width range of groove is 1～10mm, the power of adjusting carbon-crystal electric hot plate by groove width and the change of pitch of grooves of fluting, when the groove on carbon-crystal electric hot plate is conducive to blade and produces simultaneously during the resin priming by vacuum resin perfusion fill, put in place, simplified the production technology of anti-icing blade.
In the utility model, the thickness range of carbon-crystal electric hot plate is 0.2 mm～1 mm, is convenient to the technology arrangement of carbon-crystal electric hot plate in the blade production process.
In the utility model, the top layer of blade scribbles coating 4, and that coating has is anticorrosion, abrasionproof, anti-ultraviolet effect.
Advantage of the present utility model: anti-icing control system is simple in structure, adopt the on-line temperature monitoring close-loop control mode, anti-icing stable, safety, adopt the brilliant heating material of carbon to be made as zone of heating on Huo Ci top layer, the top layer of blade, the blade production technology is simple, anti-icing homogeneous heating and controlled, energy consumption is little, realized wind-driven generator the running power generation process in on-line automatic anti-icing or ice-melt.
Claims (7)
1. the brilliant anti-icing system of the carbon of a wind-driven generator, comprise anti-icing blade, anti-icing control system, described anti-icing control system comprises power switch, the wheel hub slip ring, heating control cabinet, described heating control cabinet mainly comprises a plurality of power cells and PLC or single-chip microcomputer, PLC or single-chip microcomputer are controlled a plurality of power cells, described anti-icing blade comprises exterior skin (1), core (2), inside panel (3), described inside panel (3) internal surface parcel is chamber (15), be provided with the web bonding with inside panel (14) in chamber, the inside panel skin is core (2), the skin of described core (2) is exterior skin (1), it is characterized in that: the Huo Ci top layer, top layer of exterior skin (1) is set to carbon-crystal electric hot plate, form zone of heating (5), at least be divided into two heating regions in described zone of heating (5), the power of the carbon-crystal electric hot plate of heating region is arranged according to the anti-icing required peak output of radial location of living in, the carbon-crystal electric hot plate of each heating region adopts in parallel or series connection or go here and there and combine the mode of connection and is connected with the power output end of power cell to should be regional, the surface of carbon brilliant (13), the surface of heating region and the surface of non-heating region are provided with temperature transducer (16), the temperature transducer of each heating region is connected with the signal input part of power cell to should zone, the testing environment temperature, humidity, the sensor of wind speed is connected with the signals collecting end of PLC in heating control cabinet or single-chip microcomputer.
2. the brilliant anti-icing system of the carbon of a kind of wind-driven generator according to claim 1, it is characterized in that: the power setting of the carbon-crystal electric hot plate of zone of heating is that the heating power that keeps the blade surface temperature to be greater than 0 degree centigrade while according to fan blade, freezing in the winter time specified running under operating mode is arranged, and the power of carbon-crystal electric hot plate is at 400W/m
2～4000W/m
2in scope.
3. the brilliant anti-icing system of the carbon of a kind of wind-driven generator according to claim 2, it is characterized in that: the Huo Ci top layer, top layer of the exterior skin of blade (1) is all or part of carbon-crystal electric hot plate and forms zone of heating (5).
4. the brilliant anti-icing system of the carbon of a kind of wind-driven generator according to claim 1, it is characterized in that: described carbon-crystal electric hot plate comprises carrier side (12), carbon brilliant (13), electrode (10), the material of carrier side and blade exterior skin material same system and fusion mutually, nano level carbon brilliant (13) sticks on carrier side and forms current path with the electrode (10) at two ends.
5. the brilliant anti-icing system of the carbon of a kind of wind-driven generator according to claim 4, it is characterized in that: the straight scope that described carbon-crystal electric hot plate is provided with Huo Cao， hole, hole is 1mm～10mm, or groove (11) width range is 1～10mm.
6. the brilliant anti-icing system of the carbon of a kind of wind-driven generator according to claim 5, it is characterized in that: the thickness range of carbon-crystal electric hot plate is 0.2 mm～1 mm.
7. the brilliant anti-icing system of the carbon of a kind of wind-driven generator according to claim 1, it is characterized in that: the surface of blade scribbles coating (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202176841U CN203362411U (en) | 2013-04-26 | 2013-04-26 | Carbon crystal anti-icing system for aerogenerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202176841U CN203362411U (en) | 2013-04-26 | 2013-04-26 | Carbon crystal anti-icing system for aerogenerator |
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| CN203362411U true CN203362411U (en) | 2013-12-25 |
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| CN2013202176841U Expired - Fee Related CN203362411U (en) | 2013-04-26 | 2013-04-26 | Carbon crystal anti-icing system for aerogenerator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291560A (en) * | 2013-04-26 | 2013-09-11 | 湘电新能源有限公司 | Anti-icing method of carbon crystal and wind power generator anti-icing system employing method |
| CN106468246A (en) * | 2016-11-23 | 2017-03-01 | 四川大学 | The radial direction heating ice-melt blade of wind-driven generator and ice-melting device and its de-icing method |
| CN107084100A (en) * | 2017-06-19 | 2017-08-22 | 东方电气风电有限公司 | A kind of preparation method of wind electricity blade heating ice melting system based on graphene heating film and the blade |
| CN107829889A (en) * | 2017-11-20 | 2018-03-23 | 浙江运达风电股份有限公司 | A kind of deicing control method and system for wind power generating set |
| CN111794918A (en) * | 2020-06-12 | 2020-10-20 | 天津瑞能电气有限公司 | One-cabinet type heating and refrigerating cabinet scheme installed in wheel hub |
| CN113653591A (en) * | 2021-09-15 | 2021-11-16 | 昆明理工大学 | Retractable fan blade with electric heating anti-icing function |
-
2013
- 2013-04-26 CN CN2013202176841U patent/CN203362411U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291560A (en) * | 2013-04-26 | 2013-09-11 | 湘电新能源有限公司 | Anti-icing method of carbon crystal and wind power generator anti-icing system employing method |
| CN106468246A (en) * | 2016-11-23 | 2017-03-01 | 四川大学 | The radial direction heating ice-melt blade of wind-driven generator and ice-melting device and its de-icing method |
| CN107084100A (en) * | 2017-06-19 | 2017-08-22 | 东方电气风电有限公司 | A kind of preparation method of wind electricity blade heating ice melting system based on graphene heating film and the blade |
| CN107829889A (en) * | 2017-11-20 | 2018-03-23 | 浙江运达风电股份有限公司 | A kind of deicing control method and system for wind power generating set |
| CN107829889B (en) * | 2017-11-20 | 2023-08-29 | 浙江运达风电股份有限公司 | Deicing control method and system for wind generating set |
| CN111794918A (en) * | 2020-06-12 | 2020-10-20 | 天津瑞能电气有限公司 | One-cabinet type heating and refrigerating cabinet scheme installed in wheel hub |
| CN113653591A (en) * | 2021-09-15 | 2021-11-16 | 昆明理工大学 | Retractable fan blade with electric heating anti-icing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160426 |