CN107489596A - Anti-freeze blade production method and wind generator set blade - Google Patents

Anti-freeze blade production method and wind generator set blade Download PDF

Info

Publication number
CN107489596A
CN107489596A CN201710684321.1A CN201710684321A CN107489596A CN 107489596 A CN107489596 A CN 107489596A CN 201710684321 A CN201710684321 A CN 201710684321A CN 107489596 A CN107489596 A CN 107489596A
Authority
CN
China
Prior art keywords
blade
production method
bound edge
freeze
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710684321.1A
Other languages
Chinese (zh)
Other versions
CN107489596B (en
Inventor
李小明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinfeng Technology Co ltd
Original Assignee
Xinjiang Goldwind Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinjiang Goldwind Science and Technology Co Ltd filed Critical Xinjiang Goldwind Science and Technology Co Ltd
Priority to CN201710684321.1A priority Critical patent/CN107489596B/en
Publication of CN107489596A publication Critical patent/CN107489596A/en
Application granted granted Critical
Publication of CN107489596B publication Critical patent/CN107489596B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/40—Ice detection; De-icing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Wind Motors (AREA)

Abstract

The present invention provides a kind of anti-freeze blade production method and wind generator set blade.The anti-freeze blade production method includes：Polishing step：Polishing removes the outer bound edge of the heating region of the blade inlet edge of blade；Lay step：Heating region laying heating film and outer bound edge coating after polishing；Connect electric step：Heating film is connected with the power supply in wind power generating set；Curing schedule：Heating film and outer bound edge coating are solidificated on the heating region of blade；Coating step：It is armor coated in heating film after hardening and outer bound edge.The blade that the anti-freeze blade production method can be realized to use has active deicing function.

Description

Anti-freeze blade production method and wind generator set blade
Technical field
The present invention relates to blade production field, more particularly to a kind of anti-freeze blade production method and wind power generating set leaf Piece.
Background technology
Wind-power electricity generation is the most wide new energy of current domestic and international application, but due to the change of weather, particularly in recent years I State's sleet weather, which increases, brings serious harm.Due to the influence of sleet, icing is produced on the rotor blade of wind-driven generator Phenomenon, the aerofoil profile of blade can be influenceed by freezing on blade, so as to influence the aeroperformance of blade, wind-driven generator be caused very big Harm.
The universal method to be frozen on fan blade is eliminated at present is divided into three kinds：First, applied in blade surface ice-covering-proof hydrophobic Coating and ice-covering-proof heat absorbing coating, the knot on blade is shaked off using the vibration of the solution clearing ice technology and blade itself of anti-icing fluid Ice.Often in laboratory, test phase has good effect to this method, but has very much in the anti-freeze effect of actual wind field Limit, and its performance degradation is obvious with the extension of blade active time for hydrophobic figure layer.
Second, utilize the temperature rises natural deicing；Third, manually beat deicing.Both approaches belong to traditional deicing side Method, its shortcoming are to need shutdown to handle, and influence the generated energy of generating set, and beaing can cause to damage to fan blade.
The content of the invention
Embodiments of the invention provide a kind of anti-freeze blade production method and wind generator set blade, existing to solve Use in blade the problem of causing deicing effect bad using passive deicing mode.
To reach above-mentioned purpose, embodiments of the invention provide a kind of anti-freeze blade production method, and it includes：Polishing step Suddenly：Polishing removes the outer bound edge of the heating region of the blade inlet edge of blade；Lay step：Heating region laying after polishing adds Hotting mask and outer bound edge coating；Connect electric step：Heating film is connected with the power supply in wind power generating set；Curing schedule：Will heating Film and outer bound edge coating are solidificated on the heating region of blade；Coating step：Coated on heating film after hardening and outer bound edge Protective layer.
Alternatively, before step of polishing, method also includes：Determine the heating region of blade inlet edge, heating region covering Along the length direction of blade apart from blade root 10m to blade tip region, it is each to stitch both sides along the matched moulds of the width blade of blade 1000mm region.
Alternatively, laying step includes：Lay heating film successively and outer bound edge coating, outer bound edge coating are located at heating film It is outside；Heating film and outer bound edge coating are fixed on blade by way of vacuum bag pressure or hand paste bag pressure.
Alternatively, connecing electric step includes：Cable-through hole is opened up on blade；The connecting wire in heating film, wire passed through The string holes and heating control cabinet with being arranged at blade root is connected.
Alternatively, in curing schedule, heating film and outer bound edge coating are pasted mode by priming by vacuum mode or hand and solidified In the heating region of blade.
Alternatively, coating step includes：Polyurethane putty is coated outside outer bound edge coating after hardening, and covers outer bound edge The type face of layer and blade seamlessly transits.
Alternatively, the thickness of polyurethane putty is less than or equal to 5mm.
Alternatively, coating step also includes：The brushing protective paint outside polyurethane putty.
Alternatively, the film thickness that protective paint is formed is more than or equal to the former film thickness of blade.
According to another aspect of the present invention, there is provided a kind of wind generator set blade, the wind generator set blade pass through Above-mentioned anti-freeze blade production method is made.
The anti-freeze blade production method of embodiments of the invention can be on the wind generator set blade used Install heating film additional, so as to ensure during blade working can active deicing, solve the blade used in the prior art Deicing can only be passively shut down, the problem of influenceing wind power generating set generating efficiency and deicing efficiency.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the wind generator set blade of embodiments of the invention；
Fig. 2 is the partial structural diagram at the heating film of the wind generator set blade of embodiments of the invention；
Fig. 3 is that the heating film of wind generator set blade of embodiments of the invention and the attachment structure of heating control cabinet are shown It is intended to.
Description of reference numerals：
1st, exterior skin；2nd, inside panel；3rd, heating film；4th, outer bound edge coating；5th, heating control cabinet；7th, temperature sensor.
Embodiment
The anti-freeze blade production method and wind generator set blade of the embodiment of the present invention are carried out below in conjunction with the accompanying drawings It is described in detail.
According to an embodiment of the invention, anti-freeze blade production method includes：Polishing step：Polishing removes the blade of blade The outer bound edge of the heating region of leading edge.Lay step：Heating region laying heating film 3 and outer bound edge coating 4 after polishing.Connect Electric step：Heating film 3 is connected with the power supply in wind power generating set.Curing schedule：Heating film 3 and outer bound edge coating 4 are consolidated Change on the heating region of blade.Coating step：It is armor coated in heating film 3 after hardening and outer bound edge.
The anti-freeze blade production method of the present embodiment can install additional on the wind generator set blade used to be added Hotting mask 3, so as to ensure during blade working can active deicing, solving the blade that has used in the prior art can only be by It is dynamic to shut down deicing, the problem of influenceing wind power generating set generating efficiency and deicing efficiency.
Complete not laying the blade of heating film for the blade used or production, actively removed in order to realize Ice, and without shutting down operation, anti-freeze blade can be made by the method for the present embodiment.Below will be to anti-freeze blade be made Process be described in detail：
Before step of polishing, method also includes the heating region for determining blade inlet edge, and heating region refers to wind-power electricity generation The region of the easy icing of leading edge in unit running process, in this region, laying heating film 3, which carries out heating, can lift blade shell Body surface temperature, melt icing or prevent blade from freezing.The particular location and region area of heating region can be according to uses Area, aerofoil profile etc. difference and determine.In the present embodiment, heating region is covered along the length direction of blade apart from blade root 10m To the region of blade tip, along the matched moulds seam each 1000mm in both sides of the width blade of blade region, i.e. this region is by axial direction (length of blade direction) and tangential (leaf chord length direction) forms, and is axially generally blade away from root end 10m to tip region, string To in the range of the generally matched moulds seam each 1000mm in both sides.It is determined that in the step of heating region, as needed along the outer illiteracy of blade Skin 1 measures the heating region for placing heating film 3, and this heating region is marked with marking pen.
After marking heating region, in step of polishing, the original outer bound edge of the leading edge of blade is polished with angle grinder Fall, and clear up polishing region.Certainly, can be polished as needed from suitable instrument.Polishing region is cleared up with after an action of the bowels It is continuous preferably to lay the structures such as heating film 3.
Laying step includes：
Lay heating film 3 successively and outer bound edge coating 4, outer bound edge coating 4 are located at the outside of heating film 3.Heating film 3 can be with PS faces and SS faces is divided to heat respectively.
Heating film 3 and outer bound edge coating 4 are fixed on blade by way of vacuum bag pressure or hand paste bag pressure.Such as vacuum Bag is layered on heating film 3 and the outside of outer bound edge coating 4, and by vacuumizing, heating film 3 and outer bound edge coating 4 are fixed on blade. Or the glass-fiber-fabric of resin has been infiltrated with hand paste and has been layered on heating film 3 and the outside of outer bound edge coating 4, it is fixed on blade.Spreading If in step, it is desirable to heating film 3 and new outer bound edge coating 4 smooth out, corrugationless, to ensure the aerofoil profile of blade and surfacing, So as to ensure the aeroperformance of blade.
Connecing electric step includes：
Cable-through hole is opened up on blade, the cable-through hole is used to make the conductor wire of heating film 3 to pass through to be connected with power supply.Example Such as, a wire for being slightly larger than heating film 3 is played with drill bit close to root end, the original position of heating film 3 in the exterior skin 1 of blade The through hole of diameter.
The connecting wire in heating film 3, wire are connected through cable-through hole and the heating control cabinet with being arranged at blade root.Add Hotting mask 3 can be electric heating film, and heating is realized by powering.Can be in the 1 outer cabling of exterior skin of blade by the wire of heating film 3 The problem of inner space deficiency can be avoided not construct, afterwards the cable-through hole of wire from the tail end in heating film 3 penetrate leaf In the cavity of piece housing, it is fixed on the inside panel 2 of blade, heating control cabinet of the wire at root end and blade root connects Connect.
As shown in figure 3, in order to improve precise control, it deicing in time or can prevent from overheating, be provided with heating film 3 Temperature sensor 7, to detect the temperature of blade.The wire of temperature sensor 7 together passes through wire guide with the wire of heating film 3, Connected in root end and the heating control cabinet of blade root.For example, one temperature sensor 7 is set at interval of 5m.Certainly, as needed The distance between temperature sensor 7 can be reduced, increases the quantity of temperature sensor 7.
In curing schedule, heating film 3 and outer bound edge coating 4 are pasted mode by priming by vacuum mode or hand and solidified in blade Heating region.Heating film 3 is solidified in blade exterior skin 1 with new outer bound edge coating 4 using priming by vacuum or hand paste mode Polishing region.
Coating step includes：Polyurethane putty is coated outside outer bound edge coating 4 after hardening, and make outer bound edge coating 4 with The non-polishing region of blade seamlessly transits.The region for setting new outer bound edge coating 4 is entered with blade body with polyurethane putty Row seamlessly transits, and polyurethane putty layer can not be too thick, otherwise polyurethane putty layer thickness control can influence to heat within 5mm Effect.Certainly, polyurethane putty can be other high polymer materials.
Coating step also includes：The brushing protective paint outside polyurethane putty.Alternatively, the film thickness that protective paint is formed is big In or equal to blade former film thickness.By heating region brushing paint, it is desirable to which lacquer painting color is identical with blade original paint film color Or it is close, film thickness is more than or equal to former film thickness.
Such a anti-freeze blade production method is simple to operate, can operation in the air, can also be when wind speed be relatively low Leaf blade hanging is got off, it is good in ground maintenance, then it is installed to the sky.Heating film 3 is set nearer from blade outer surface, heating effect Rate can be higher.Transformation can be completed in the case where not destroying blade body, this mode can be used for the making of new blade, this Sample does not have to the time for taking mould.
In view of deicing scheme is in blade manufacturing process at present, (this Electric radiant Heating Film is every 5m for installation heating film in blade Built-in one piece of heat-sensitive sensor), but for the blade of wind field operation, can not install in this manner, because blade Internal cavity is too small, and people cannot be introduced into, especially the serious region of blade tip icing.And in the present embodiment, heating film 3 and temperature Sensor 7 set blade exterior skin 1 outside, solve the too small worker of blade internal cavity in the prior art cannot be introduced into operation can not The problem of installing heating film and temperature sensor.
This method is mainly for the blade of installation and operation, and by polishing off the edge-covering cloth of blade inlet edge, installation is heated After film 3, outside applies edge-covering cloth again, can use hand paste plus the technology mode of vacuum bag pressure, operation in the air can also be in wind Speed gets off leaf blade hanging when relatively low, and ground maintenance is good, then is installed to the sky.So, heating film is from blade outer surface more Closely, the efficiency of heating surface can be higher.Also transformation can be completed in the case where not destroying blade body.
According to another aspect of the present invention, there is provided a kind of wind generator set blade, the wind generator set blade pass through Above-mentioned anti-freeze blade production method is made.
The anti-freeze blade production method and wind generator set blade of the present invention has the effect that：
This method will be such that the operation blade for being currently in icing area realizes actively by installing heating film additional in blade outer surface The function of deicing.This method is simple to operate, can be achieved with ground in the air, implements not increasing also on ground to account for the mould time, no Influence normal blade production.The generating efficiency of ice period blower fan can be effectively improved.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

  1. A kind of 1. anti-freeze blade production method, it is characterised in that including：
    Polishing step：Polishing removes the outer bound edge of the heating region of the blade inlet edge of blade；
    Lay step：Heating region laying heating film (3) and outer bound edge coating (4) after polishing；
    Connect electric step：The heating film (3) is connected with the power supply in wind power generating set；
    Curing schedule：The heating film (3) and the outer bound edge coating (4) are solidificated on the heating region of the blade；
    Coating step：It is armor coated in heating film (3) after hardening and the outer bound edge.
  2. 2. anti-freeze blade production method according to claim 1, it is characterised in that before step of polishing, the side Method also includes：
    The heating region of the blade inlet edge is determined, the heating region covering is along the length direction of the blade apart from blade root 10m stitches each 1000mm in both sides region to the region of blade tip along the matched moulds of blade described in the width of the blade.
  3. 3. anti-freeze blade production method according to claim 1, it is characterised in that the laying step includes：
    The heating film (3) and the outer bound edge coating (4) are laid successively, and the outer bound edge coating (4) is located at the heating film (3) outside；
    Described in the heating film (3) and the outer bound edge coating (4) be fixed on by way of vacuum bag pressure or hand paste bag pressure On blade.
  4. 4. anti-freeze blade production method according to claim 1, it is characterised in that described to connect electric step and include：
    Cable-through hole is opened up on the blade；
    The connecting wire in the heating film (3), the wire pass through the cable-through hole and the heating control with being arranged at blade root Cabinet connection processed.
  5. 5. anti-freeze blade production method according to claim 1, it is characterised in that described in the curing schedule Heating film (3) and the outer bound edge coating (4) solidify the heating region in blade by priming by vacuum mode or hand paste mode.
  6. 6. anti-freeze blade production method according to claim 1, it is characterised in that the coating step includes：
    Outer bound edge coating (4) after hardening coats polyurethane putty outside, and makes the type face of the outer bound edge coating (4) and blade Non- polishing region seamlessly transits.
  7. 7. anti-freeze blade production method according to claim 6, it is characterised in that the thickness of the polyurethane putty is small In or equal to 5mm.
  8. 8. the anti-freeze blade production method according to claim 6 or 7, it is characterised in that the coating step also includes：
    The brushing protective paint outside polyurethane putty.
  9. 9. anti-freeze blade production method according to claim 8, it is characterised in that the paint film thickness that the protective paint is formed Former film thickness of the degree more than or equal to the blade.
  10. 10. a kind of wind generator set blade, it is characterised in that the wind generator set blade in claim 1 to 9 by appointing Anti-freeze blade production method described in one is made.
CN201710684321.1A 2017-08-11 2017-08-11 Anti-freeze blade production method and wind generator set blade Active CN107489596B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710684321.1A CN107489596B (en) 2017-08-11 2017-08-11 Anti-freeze blade production method and wind generator set blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710684321.1A CN107489596B (en) 2017-08-11 2017-08-11 Anti-freeze blade production method and wind generator set blade

Publications (2)

Publication Number Publication Date
CN107489596A true CN107489596A (en) 2017-12-19
CN107489596B CN107489596B (en) 2019-10-11

Family

ID=60644190

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710684321.1A Active CN107489596B (en) 2017-08-11 2017-08-11 Anti-freeze blade production method and wind generator set blade

Country Status (1)

Country Link
CN (1) CN107489596B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757301A (en) * 2018-08-13 2018-11-06 华中国电电力集团有限公司 Form adaptive wind-power blade
CN109322784A (en) * 2018-12-11 2019-02-12 江苏金风科技有限公司 A kind of edge member, blade and the impeller of the blade for wind power generating set
CN110198576A (en) * 2018-02-27 2019-09-03 吴金珠 Electrothermal chip structure, installation method, forming method and wind power generating set
CN110701005A (en) * 2019-09-30 2020-01-17 浙江运达风电股份有限公司 Electric heating deicing and lightning protection integrated composite film for wind power blade
CN110815860A (en) * 2018-08-07 2020-02-21 吴金珠 Anti-icing blade, preparation method thereof and wind generating set
CN112922792A (en) * 2019-12-06 2021-06-08 北京金风科创风电设备有限公司 Blade electrothermal composite film, blade, wind generating set and method for manufacturing blade
CN113266540A (en) * 2021-06-21 2021-08-17 中能电力科技开发有限公司 Anti-icing and deicing method for composite coating of fan blade

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102374137A (en) * 2011-09-22 2012-03-14 邓长明 Icing-protection wind power generator blade and manufacturing method thereof
CN105003393A (en) * 2015-06-29 2015-10-28 天津东汽风电叶片工程有限公司 Protective layer with ice removing and ice preventing functions for blade leading edge of wind driven generator
WO2016075619A1 (en) * 2014-11-10 2016-05-19 Polytech A/S Polyurethane material, process for preparing such material and protective cover for wind turbine blade
CN105673361A (en) * 2015-12-31 2016-06-15 东方电气风电有限公司 Ice-melting heating structure of wind driven generator blade and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102374137A (en) * 2011-09-22 2012-03-14 邓长明 Icing-protection wind power generator blade and manufacturing method thereof
WO2016075619A1 (en) * 2014-11-10 2016-05-19 Polytech A/S Polyurethane material, process for preparing such material and protective cover for wind turbine blade
CN105003393A (en) * 2015-06-29 2015-10-28 天津东汽风电叶片工程有限公司 Protective layer with ice removing and ice preventing functions for blade leading edge of wind driven generator
CN105673361A (en) * 2015-12-31 2016-06-15 东方电气风电有限公司 Ice-melting heating structure of wind driven generator blade and manufacturing method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110198576A (en) * 2018-02-27 2019-09-03 吴金珠 Electrothermal chip structure, installation method, forming method and wind power generating set
CN110815860A (en) * 2018-08-07 2020-02-21 吴金珠 Anti-icing blade, preparation method thereof and wind generating set
CN108757301A (en) * 2018-08-13 2018-11-06 华中国电电力集团有限公司 Form adaptive wind-power blade
CN108757301B (en) * 2018-08-13 2023-11-28 平顶山学院 Shape-adaptive wind power blade
CN109322784A (en) * 2018-12-11 2019-02-12 江苏金风科技有限公司 A kind of edge member, blade and the impeller of the blade for wind power generating set
CN110701005A (en) * 2019-09-30 2020-01-17 浙江运达风电股份有限公司 Electric heating deicing and lightning protection integrated composite film for wind power blade
CN112922792A (en) * 2019-12-06 2021-06-08 北京金风科创风电设备有限公司 Blade electrothermal composite film, blade, wind generating set and method for manufacturing blade
CN113266540A (en) * 2021-06-21 2021-08-17 中能电力科技开发有限公司 Anti-icing and deicing method for composite coating of fan blade

Also Published As

Publication number Publication date
CN107489596B (en) 2019-10-11

Similar Documents

Publication Publication Date Title
CN107489596A (en) Anti-freeze blade production method and wind generator set blade
CN103161689B (en) Anti-icing and deicing system for large wind power generation built-up blade
JP6824312B2 (en) Protective cover to protect the front edge of the wind turbine blade
CN201786551U (en) Wind driven generator vane front edge protecting sleeve
CN104018997B (en) Anti-icing control system of wind turbine blade and manufacturing method of wind turbine blade with anti-icing performance
CN101484692B (en) A wind turbine blade and a pitch controlled wind turbine
CN109707561A (en) Anti-icing blade preparation method and wind generating set blade
CN109477458B (en) Leading edge protection for wind turbine blades
CA2914727C (en) Rotor blade deicing
CN105003393B (en) A kind of wind driven generator vane front edge protective layer with ice-removing and ice-preventing function
CA2828512A1 (en) Noise reduction tab and method for wind turbine rotor blade
CN109505729A (en) Wind turbine blade with cover plate for hot air exhaust shielding for deicing and/or anti-icing
US20150125309A1 (en) Wind turbine blade
CN107859603A (en) A kind of anti-icing and deicing wind electricity blade and preparation method thereof
CN103334872B (en) Wind turbine blade and wind turbine
CN206957882U (en) A kind of wind electricity blade heating ice melting system based on graphene heating film
CN103195665A (en) Megawatt fan blades and carbon-fiber electric heating ice melting method thereof
CN206487597U (en) Anti-icing, deicing system blade and wind power generating set
CN116391078A (en) Wind turbine rotor blade with leading edge member
CN201714588U (en) Protecting sleeve of wind power blade tip lightening arrester
CN112128050A (en) Noise reduction structure, blade and wind generating set
CN203770035U (en) Electric heating ice melting system for wind turbine blades
CN218624526U (en) Anti-icing wind power blade
CN103821675B (en) Wind generator rotor blade electrothermal ice melting tower bottom monitoring system
CN209179934U (en) A kind of surface protective structure of wind electricity blade

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region

Patentee after: Jinfeng Technology Co.,Ltd.

Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region

Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd.

CP01 Change in the name or title of a patent holder