CN105443325A - Ice melting device and method for wind generating set - Google Patents
Ice melting device and method for wind generating set Download PDFInfo
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- CN105443325A CN105443325A CN201510894762.5A CN201510894762A CN105443325A CN 105443325 A CN105443325 A CN 105443325A CN 201510894762 A CN201510894762 A CN 201510894762A CN 105443325 A CN105443325 A CN 105443325A
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- ice
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- generating set
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- power generating
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- 238000002844 melting Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008018 melting Effects 0.000 title abstract 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 230000001143 conditioned effect Effects 0.000 claims description 7
- 238000010248 power generation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- 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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/60—Control system actuates through
-
- 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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- 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)
- Wind Motors (AREA)
Abstract
The embodiment of the invention provides an ice melting device and method for a wind generating set and relates to the field of wind power generation equipment. By the adoption of the ice melting device and method, the cost of the wind generating set can be lowered. The ice melting device for the wind generating set comprises a drive unit and a heating unit. The heating unit comprises a heating face for outputting heat. The drive unit is used for driving blades coated with ice in the wind generating set to rotate to the heating face of the ice melting device. The heating unit is used for melting the ice on the blades through heat output by the heating face. The ice melting device is used for melting the ice on the wind generating set.
Description
Technical field
The present invention relates to field of wind power equipment, particularly relate to a kind of wind power generating set ice-melting device and de-icing method.
Background technique
At present, wind generating technology is day by day tending towards ripe and is widely used in clean energy resource field.Because wind power generating set is arranged on the abundant high altitude localities of wind resource usually, therefore limit by High aititude microthermal climate condition, the blade of wind power generating set or occur icing phenomenon, because windward side can change after blade icing, the normal work having influence on wind power generating set design meets by this, for avoiding blade icing, in wind power generating set design, often there is ice-melt demand.In prior art, the de-icing method of blade is normally: at the pre-buried resistive heater of blade interior, when blade icing, by resistive heater, fan blade temperature is raised, reaches the effect to fan blade ice-melt.
But pre-buried resistive heater in blade, can cause very large impact to blade design in blade loading and windage design etc., need to redesign blade, add the complexity of blade design.And be unfavorable for the equipment cost of the entirety controlling wind power generating set.
Summary of the invention
Embodiments of the invention provide a kind of wind power generating set ice-melting device and de-icing method, without the need to resistive heater pre-buried in blade, can reduce blade design complexity while to the effective ice-melt of blade.
First aspect, provide a kind of wind power generating set ice-melting device, comprise driver element and heating unit, wherein said heating unit comprises the heating surface for quantity of heat given up;
Driver element, for the heating surface of the blade rotary to ice-melting device that drive icing in described wind power generating set;
Heating unit, carries out ice-melt for the heat exported by heating surface to described blade.
Optionally, described driver element also judges the icing degree on described blade for the efficiency of the moment that exports according to each blade of described wind power generating set and/or described wind power generating set, when icing degree meets pre-conditioned on described blade, drive described blade rotary to the heating surface of ice-melting device.
Optionally, described driver element, also for controlling the propeller pitch angle of described blade, makes described blade rotary become oar, or control the windward side of described blade and described heating surface just right.
Optionally, described wind power generating set ice-melting device is fixedly installed on the blower fan tower barrel outer wall of described wind power generating set.
Optionally, the heating surface of described wind power generating set ice-melting device is arranged at arbitrary radial direction in described blade rotary face.
Optionally, described heating surface is U-shaped, and when to described blade ice-melt, described blade is positioned at the groove of described U-shaped.
Second aspect, provides a kind of wind power generating set de-icing method,
Drive the heating surface of blade rotary to ice-melting device of icing in described wind power generating set;
The heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade.
Optionally, in the described wind power generating set of described driving icing blade rotary to ice-melting device heating surface before also comprise:
The moment exported according to each blade of described wind power generating set and/or the efficiency of described wind power generating set judge the icing degree on described blade, when icing degree meets pre-conditioned on described blade, drive described blade rotary to the heating surface of ice-melting device.
Optionally, before the heat exported at the heating surface by described ice-melting device carries out ice-melt to described blade, also comprise:
Control the propeller pitch angle of described blade, make described blade rotary become oar, or make the windward side of described blade and described heating surface just right.
In the wind power generating set ice-melting device that embodiments of the invention provide and de-icing method, ice-melting device can drive the heating surface of blade rotary to ice-melting device of icing in described wind power generating set; The heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade, thus without the need to resistive heater pre-buried in blade, blade design complexity can be reduced while to the effective ice-melt of blade, and effectively control the equipment cost of wind power generating set.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of a kind of wind power generating set ice-melting device that Fig. 1 provides for embodiments of the invention;
The schematic diagram of the another kind of wind power generating set ice-melting device that Fig. 2 provides for embodiments of the invention;
The schematic flow sheet of a kind of de-icing method that Fig. 3 provides for embodiments of the invention;
The schematic flow sheet of the another kind of de-icing method that Fig. 4 provides for embodiments of the invention;
The schematic diagram of the Static Leaf moment that Fig. 5 provides for embodiments of the invention;
The schematic diagram of the blade dynamic force moment that Fig. 6 provides for embodiments of the invention;
The structural representation of the wind power generating set ice-melting device that Fig. 7 provides for embodiments of the invention;
The schematic diagram of a kind of U-shaped heating surface of the wind power generating set ice-melting device that Fig. 8 provides for embodiments of the invention;
Embodiment
Referring now to accompanying drawing, multiple embodiment is described, wherein by identical reference character instruction similar elements herein.In the following description, for ease of explaining, a large amount of detail is given, to provide the complete understanding to one or more embodiment.But, clearly, also described embodiment can be realized without these details.In other example, known features and equipment are shown in block diagram form, so that describe one or more embodiment.
With reference to shown in Fig. 1,2, embodiments of the invention provide a kind of wind power generating set ice-melting device, wherein, this wind power generating set ice-melting device 11 comprises the heating surface 12 of blade 14 quantity of heat given up for direction wind-driven generator group 13, wherein the form of quantity of heat given up can comprise the mode such as thermal radiation, cross-ventilation heat conduction, and the heating surface 12 of this wind power generating set ice-melting device 11 is arranged at arbitrary radial direction of blade 14 surface of revolution; Exemplarily, this wind power generating set ice-melting device 11 is fixedly installed on the blower fan tower barrel outer wall 15 of wind power generating set 13 as shown in Figure 1, or this wind power generating set ice-melting device 11 is arranged at the front of wind power generating set 13 as shown in Figure 2.Wherein, blade 14 and heating surface 12 just pair time, the length of this heating surface 12 is more than or equal to the length of blade 14, wherein, described just to the plane parallel of the plane and heating surface 12 that refer to blade 14.
The method of being carried out ice-melt by above-mentioned wind power generating set ice-melting device specifically comprises the steps: with reference to shown in Fig. 3,
101, the heating surface of blade rotary to ice-melting device of icing in described wind power generating set is driven;
102, the heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade.
In the wind power generating set ice-melting device that embodiments of the invention provide and de-icing method, ice-melting device can drive the heating surface of blade rotary to ice-melting device of icing in described wind power generating set; The heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade, thus without the need to resistive heater pre-buried in blade, blade design complexity can be reduced while to the effective ice-melt of blade, and effectively control the equipment cost of wind power generating set.
With reference to shown in Fig. 4, another kind of de-icing method is provided, comprises the steps:
201, the icing degree on described blade is judged according to the moment of each blade of described wind power generating set output and/or the efficiency of wind power generating set.
Wherein, judge that the icing process on individual blade can be realized by the moment measuring each blade, blade that can be the most serious to icing targetedly carries out ice-melt, wherein, the moment measuring each blade can comprise measures Static Leaf moment, blade dynamic force moment or the combination of both.
With reference to shown in Fig. 5, Static Leaf moment can comprise: fan blade makes blade 51 to be measured rotate to time static horizontal by special angle θ through slow circumvolve, the locked rotor torque τ that blade center of gravity 52 pairs of running shafts 53 produce, especially, this special angle θ can be 0 degree, namely with plane-parallel.
With reference to shown in Fig. 6, blade dynamic force moment can comprise: fan blade blade 61 to be measured when normal rotation rotates to during horizontal by special angle θ, the gravity torque τ 1 that blade center of gravity 62 produces running shaft 63 by gravity and blade center of gravity 62 are subject to centrifugal force to the resultant moment of force of the centrifugal force moment τ 2 that running shaft 63 produces, especially, this special angle θ can be 0 degree, namely with plane-parallel.
By under the same conditions, initial static moment when blade to be measured is installed at first or initial dynamic force moment with run a period of time after the locked rotor torque of blade to be measured or dynamic force moment compare, judge the icing degree on blade to be measured, wherein, the same terms: for locked rotor torque, refers to identical special angle etc.; For dynamic force moment, refer to identical fan speed and identical special angle etc.
Judge complete machine vaned overall icing degree can be realized by the efficiency comparing wind power generating set, wherein, the efficiency of wind power generating set can comprise the power curve of wind power generating set, when the efficiency of the same terms apparatus for lower wind generator set is lower than predetermined value, judge that the vaned overall icing degree of complete machine meets pre-conditioned, start to carry out ice-melt to each blade of complete machine successively.Wherein, described the same terms comprises identical rotation speed of fan.Those skilled in the art will appreciate that the icing degree judged on blade can also comprise the combination of above-mentioned two kinds of modes.
202, when icing degree meets pre-conditioned on described blade, drive described blade rotary to the heating surface of ice-melting device.
Wherein in step 201 by judging that the icing degree on blade carries out ice-melt to blade, when icing such as on blade is more serious, ice-melt is carried out to blade, ice-melt is not carried out to blade when icing does not affect wind power generating set normal duty on blade, be conducive to the consumption reducing the ice-melt energy, in addition, ice-melting device can be preferentially the most serious to icing situation blade carry out ice-melt, to improve the payload of blower fan as early as possible.
203, the propeller pitch angle of blade is controlled.
Make described blade rotary become oar by controlling the propeller pitch angle of blade in step 203, or make the windward side of described blade and described heating surface just right.Thus improve uniformity and the ice-melt efficiency of ice-melt.
204, the heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade.
In the wind power generating set ice-melting device that embodiments of the invention provide and de-icing method, ice-melting device can drive the heating surface of blade rotary to ice-melting device of icing in described wind power generating set; The heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade, thus without the need to resistive heater pre-buried in blade, blade design complexity can be reduced while to the effective ice-melt of blade, and effectively control the equipment cost of wind power generating set.
Embodiments of the invention provide a kind of wind power generating set ice-melting device, and for implementing above-mentioned de-icing method, with reference to shown in Fig. 7, comprise driver element 71 and heating unit 72, wherein said heating unit 72 comprises the heating surface 73 for quantity of heat given up;
Driver element 71, for the heating surface of the blade rotary to ice-melting device that drive icing in described wind power generating set;
Heating unit 72, carries out ice-melt for the heat exported by heating surface 73 to described blade.
In the wind power generating set ice-melting device that embodiments of the invention provide and de-icing method, ice-melting device can drive the heating surface of blade rotary to ice-melting device of icing in described wind power generating set; The heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade, thus without the need to resistive heater pre-buried in blade, blade design complexity can be reduced while to the effective ice-melt of blade, and effectively control the equipment cost of wind power generating set.
Embodiments of the invention provide another kind of wind power generating set ice-melting device, for implementing above-mentioned de-icing method.
Optionally, this wind power generating set ice-melting device can be fixedly installed on the blower fan tower barrel outer wall of described wind power generating set as shown in Figure 1, optionally, can comprise by magnet, electromagnet, mighty bond, the mode such as bandage or support is attached to blower fan tower barrel outer wall.
Optionally, this wind power generating set ice-melting device can be arranged at the front of wind power generating set as shown in Figure 2.
Optionally, this wind power generating set ice-melting device can comprise by blower interior Power supply or by power supplies such as external power supply car, solar panel, battery pack, air box changes.
This wind power generating set ice-melting device comprises:
Driver element 71, the efficiency for the moment that exports according to each blade of described wind power generating set and/or described wind power generating set judges the icing degree on described blade;
This driver element 71, also for when icing degree meets pre-conditioned on described blade, drives described blade rotary to the heating surface of ice-melting device;
This driver element is also for controlling the propeller pitch angle of blade.
Heating unit, carries out ice-melt for the heat exported by the heating surface of described wind power generating set ice-melting device to described blade.
Optionally, this heating unit can comprise adopt heating pipe, electric heating wire, heat lamp, air heater, infrared heater, electromagnetic heater, microwave applicator mode heating surface etc. is provided.
Optionally, as shown in Figure 8, this heating surface 81 can be U-shaped, and when carrying out ice-melt to blade 82, this blade 82 is positioned at the groove of this U-shaped heating surface 81.This U-shaped heating surface can be applied to the wind power generating set ice-melting device of the blower fan tower barrel outer wall being fixedly installed on described wind power generating set as shown in Figure 1, also can be applied to the wind power generating set ice-melting device in the front being arranged at wind power generating set as shown in Figure 2.By this way, can heating area be strengthened, improve ice-melt efficiency.
In the wind power generating set ice-melting device that embodiments of the invention provide and de-icing method, ice-melting device can drive the heating surface of blade rotary to ice-melting device of icing in described wind power generating set; The heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade, thus without the need to resistive heater pre-buried in blade, blade design complexity can be reduced while to the effective ice-melt of blade, and effectively control the equipment cost of wind power generating set.
Should understand, in various embodiments of the present invention, the size of the sequence number of above-mentioned each process does not also mean that the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technological scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed system, equipment and method can realize by another way.Such as, apparatus embodiments described above is only schematic, such as, the division of described unit, be only a kind of logical function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of equipment or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technological scheme of the present invention contributes to prior art in essence in other words or this technological scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (English full name: read-onlymemory, English abbreviation: ROM), random access memory (English full name: randomaccessmemory, English abbreviation: RAM), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (9)
1. a wind power generating set ice-melting device, is characterized in that, comprises driver element and heating unit, and wherein said heating unit comprises the heating surface for quantity of heat given up;
Driver element, for the heating surface of the blade rotary to ice-melting device that drive icing in described wind power generating set;
Heating unit, carries out ice-melt for the heat exported by heating surface to described blade.
2. device according to claim 1, it is characterized in that, described driver element also judges the icing degree on described blade for the efficiency of the moment that exports according to each blade of described wind power generating set and/or described wind power generating set, when icing degree meets pre-conditioned on described blade, drive described blade rotary to the heating surface of ice-melting device.
3. device according to claim 1, is characterized in that, described driver element, also for controlling the propeller pitch angle of described blade, makes described blade rotary become oar, or control the windward side of described blade and described heating surface just right.
4. the device according to any one of claim 1-3, is characterized in that, described wind power generating set ice-melting device is fixedly installed on the blower fan tower barrel outer wall of described wind power generating set.
5. the device according to any one of claim 1-3, is characterized in that, the heating surface of described wind power generating set ice-melting device is arranged at arbitrary radial direction in described blade rotary face.
6. the device according to any one of claim 1-3, is characterized in that, described heating surface is U-shaped, and when to described blade ice-melt, described blade is positioned at the groove of described U-shaped.
7. a wind power generating set de-icing method, is characterized in that,
Drive the heating surface of blade rotary to ice-melting device of icing in described wind power generating set;
The heat exported by the heating surface of described ice-melting device carries out ice-melt to described blade.
8. method according to claim 7, is characterized in that, in the described wind power generating set of described driving icing blade rotary to ice-melting device heating surface before also comprise:
The moment exported according to each blade of described wind power generating set and/or the efficiency of described wind power generating set judge the icing degree on described blade, when icing degree meets pre-conditioned on described blade, drive described blade rotary to the heating surface of ice-melting device.
9. method according to claim 7, is characterized in that, before the heat exported at the heating surface by described ice-melting device carries out ice-melt to described blade, also comprises:
Control the propeller pitch angle of described blade, make described blade rotary become oar, or make the windward side of described blade and described heating surface just right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894762.5A CN105443325A (en) | 2015-12-08 | 2015-12-08 | Ice melting device and method for wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510894762.5A CN105443325A (en) | 2015-12-08 | 2015-12-08 | Ice melting device and method for wind generating set |
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| Publication Number | Publication Date |
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| CN105443325A true CN105443325A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510894762.5A Pending CN105443325A (en) | 2015-12-08 | 2015-12-08 | Ice melting device and method for wind generating set |
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| CN (1) | CN105443325A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107035627A (en) * | 2017-06-16 | 2017-08-11 | 叶井龙 | A kind of multi-functional fan blade |
| CN107781121A (en) * | 2016-08-25 | 2018-03-09 | 北京金风科创风电设备有限公司 | Blade deicing control method and device and deicing system of wind driven generator |
| CN108167142A (en) * | 2017-12-26 | 2018-06-15 | 湖北三江航天红阳机电有限公司 | A kind of method and apparatus of laser ablation fan blade surface icing |
| CN108180120A (en) * | 2017-12-26 | 2018-06-19 | 湖北三江航天红阳机电有限公司 | A kind of method and apparatus of laser ablation fan blade surface icing |
| CN109578225A (en) * | 2019-01-28 | 2019-04-05 | 李白 | Intelligent anti-freezing wind power generation plant |
| CN115467794A (en) * | 2022-09-26 | 2022-12-13 | 中国电建集团西北勘测设计研究院有限公司 | Microwave ice preventing and removing device and method for wind turbine blade |
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| CN103821665A (en) * | 2013-10-18 | 2014-05-28 | 河海大学常州校区 | Blade deicing device for horizontal-axis wind turbines |
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| CN101920252A (en) * | 2009-06-16 | 2010-12-22 | 通用电气公司 | Be used for wind turbine rotor blade is cleaned method and apparatus with deicing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107781121A (en) * | 2016-08-25 | 2018-03-09 | 北京金风科创风电设备有限公司 | Blade deicing control method and device and deicing system of wind driven generator |
| CN107035627A (en) * | 2017-06-16 | 2017-08-11 | 叶井龙 | A kind of multi-functional fan blade |
| CN108167142A (en) * | 2017-12-26 | 2018-06-15 | 湖北三江航天红阳机电有限公司 | A kind of method and apparatus of laser ablation fan blade surface icing |
| CN108180120A (en) * | 2017-12-26 | 2018-06-19 | 湖北三江航天红阳机电有限公司 | A kind of method and apparatus of laser ablation fan blade surface icing |
| CN109578225A (en) * | 2019-01-28 | 2019-04-05 | 李白 | Intelligent anti-freezing wind power generation plant |
| CN115467794A (en) * | 2022-09-26 | 2022-12-13 | 中国电建集团西北勘测设计研究院有限公司 | Microwave ice preventing and removing device and method for wind turbine blade |
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