CN105626396A - Blade deicing device, wind generating set and blade deicing method - Google Patents
Blade deicing device, wind generating set and blade deicing method Download PDFInfo
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- CN105626396A CN105626396A CN201511019717.1A CN201511019717A CN105626396A CN 105626396 A CN105626396 A CN 105626396A CN 201511019717 A CN201511019717 A CN 201511019717A CN 105626396 A CN105626396 A CN 105626396A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 53
- 230000008014 freezing Effects 0.000 claims description 12
- 238000007710 freezing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 6
- 239000013536 elastomeric material Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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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Abstract
The invention provides a blade deicing device, a wind generating set and a blade deicing method. The blade deicing device includes: the covering film is arranged on the blades needing to be deiced and covers at least part of the outer surfaces of the blades, and at least one vent hole penetrating through the blades is formed in the covered area of the blades; the air pump is connected with the vent hole through a vent pipe, can ventilate the space between the film and the blade, and drives the film to expand or inhales air from the space between the film and the blade to enable the film to be tightly attached to the surface of the blade; and the detection control unit is connected with the air pump and is used for detecting whether the blades need to be deiced and controlling the air pump to work. By adopting the technical scheme of the invention, the air pump can be utilized to introduce air into the covering film to expand the covering film when the blades need to be deiced, so that the deicing of the blades can be quickly completed, the deicing efficiency of the blades is effectively improved, and the generated energy of the wind generating set is ensured.
Description
Technical field
The present invention relates to blade utility appliance, particularly relate to a kind of blade de-icing device and wind power generating set, blade de-icing method.
Background technology
Wind power generating set obtains wind energy by blade, and be that to drive, generator generates electricity mechanical energy by wind energy transformation, and then realize the conversion of wind energy to electric energy, therefore, blade is the core component of wind power generating set, and it obtains the efficiency of wind energy is the key factor determining wind power generating set generated energy.
In different geographical, wind power generating set faced by environment not identical, the normal operation of wind power generating set all can be caused Different Effects by such as higher or lower temperature, higher humidity, bigger dust storm etc. Wherein, lower temperature can make blade shut down or freeze in operational process, and especially leading edge portion near tip region is easily frozen, and this can affect the starting efficiency of blade, and then reduces the generated energy of wind power generating set.
At present, the blade de-icing method of wind power generating set is the hot method of gas and electric heating process mainly, leads to the gas into comparatively high temps to heat blade in blade, or uses the electric heater heating blade being built in blade. Severe environment (the such as ice and snow weather) impact that these two kinds of easy temperature of method are lower, unsatisfactory for big leaf's slice deicing effect.
Above-mentioned blade de-icing method, it is necessary to additionally set up heater block, performs control on blade and uses all inconvenient, and make deicing cost higher. In addition, carrying out deicing required time by heating blade longer, deicing efficiency is lower, and this can delay the uptime of wind power generating set, causes the generated energy of wind power generating set to be ensured.
Summary of the invention
Embodiments of the invention provide a kind of blade de-icing device and wind power generating set, blade de-icing method, to solve the problem of the blade deicing time length of existing wind power generating set.
For achieving the above object, embodiments of the invention provide a kind of blade de-icing device, comprising: overlay film, and overlay film is arranged on the blade needing deicing, and cover at least part of outside surface of blade, the coated region of blade is provided with the ventilating pit of at least one penetrating blade; Air pump, air pump is connected with ventilating pit by ventpipe, and can ventilate between overlay film and blade, drives overlay film expand or make overlay film be close to blade surface from air-breathing between overlay film and blade; Detection control unit, detection control unit is connected with air pump, and detection blade is the need of deicing and controls air pump work.
Further, detection control unit comprises: detection components, and whether the temperature of environment residing for detection components detection blade and humidity and blade freeze; Controller, controller is connected with detection components and air pump respectively, receives the data of detection components detection, and according to Data Control air pump start and stop with turn to.
Further, detection components comprises: the first temperature sensor, and the first temperature sensor is arranged on the cabin outside surface at blade place, and detects the temperature of environment residing for blade; Freezing sensor, freezing sensor is arranged on blade or on the outside surface of cabin, and detects whether blade freezes; First humidity sensor, the first humidity sensor is arranged on the cabin outside surface at blade place, and detects the humidity of environment residing for blade.
Further, the length direction along blade is arranged at intervals with multiple ventilating pit successively, and each ventilating pit is all connected with a ventpipe, and each ventpipe is all connected with air pump.
Further, air pump is connected with ventilating pit by heater block and ventpipe successively again.
Further, overlay film is the elastica of rubber material.
According to a further aspect in the invention, also providing a kind of wind power generating set, the blade de-icing device comprising blade He being arranged on blade, blade de-icing device is above-mentioned blade de-icing device.
Further, blade comprises blade shell, and blade shell is provided with pockets, and overlay film is arranged in pockets, and the flush with outer surface of the outside surface of overlay film and adjacent blade shell.
Further, air pump be arranged on the wheel hub of wind power generating set, the base region of blade or engine room inside.
According to a further aspect in the invention, a kind of blade de-icing method is also provided, blade de-icing method adopts above-mentioned blade de-icing device, whether blade de-icing method comprises the steps: detecting step: whether the detection control unit detection envrionment temperature of blade, ambient moisture and blade freeze, and freeze according to envrionment temperature, ambient moisture and blade and judge whether to need deicing; Deicing step: if desired deicing, then detection control unit control air pump is inflated between overlay film and blade, and overlay film is expanded; Recovering step: after inflation very first time t1, the gas between overlay film and blade is extracted out by detection control unit control air pump, and overlay film is close on blade.
The blade de-icing device of embodiments of the invention and wind power generating set, blade de-icing method, by arranging overlay film at blade surface, and utilize air pump to lead to overlay film place when blade needs deicing and make it expand into gas, and utilize air pump to make it recover proterties from overlay film air-breathing, make blade can normal operation, thus complete blade deicing quickly and easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of the blade de-icing device of the embodiment of the present invention;
Fig. 2 is the first work schematic diagram of the blade de-icing device of the embodiment of the present invention;
Fig. 3 is the 2nd work schematic diagram of the blade de-icing device of the embodiment of the present invention;
Fig. 4 is the partial enlargement figure of the blade de-icing device of the embodiment of the present invention.
Description of reference numerals:
1, blade; 2, overlay film; 3, air pump; 4, ventilating pit; 5, ventpipe; 6, detection control unit; 7, detection components; 8, controller; 9, pockets.
Embodiment
Below in conjunction with accompanying drawing, the blade de-icing device of the embodiment of the present invention and wind power generating set, blade de-icing method are described in detail.
Fig. 1 is the structural representation of the blade de-icing device of the embodiment of the present invention, this blade de-icing device can be arranged on the blade of wind power generating set, for removing freezing on blade, wind power generating set is normally run, ensure that blade obtains the efficiency of wind energy, and then ensure the generated energy of wind power generating set.
As shown in Figure 1, this blade de-icing device comprises overlay film 2, air pump 3 and detection control unit 6. Wherein, overlay film 2 is arranged on the blade 1 needing deicing, and covers at least part of outside surface of blade 1, and the coated region of blade 1 is provided with the ventilating pit 4 of at least one penetrating blade 1. Air pump 3 is connected with ventilating pit 4 by ventpipe 5, and can to ventilating between overlay film 2 and blade 1 and drive overlay film 2 to expand, or from air-breathing between overlay film 2 and blade 1 make overlay film 2 be close to blade 1 surface. Detection control unit 6 is connected with air pump 3, and detection blade 1 the need of deicing and controls air pump 3 and works.
As shown in Figure 2; the wind power generating set being provided with this blade de-icing device is in shutdown or operational process; if blade 1 has the normal operation frozen and affect its wind power generating set; detection control unit 6 can detect that blade 1 needs deicing; and control air pump and open, ventilate between overlay film 2 and blade 1, make overlay film 2 expand and extrude and cover freezing on overlay film 2; make to freeze broken and come off from blade 1, thus reach the effect of deicing. As shown in Figure 3, after deicing terminates, detection control unit 6 controls air pump 3 from air-breathing between overlay film 2 and blade 1, makes overlay film 2 be close to blade 1 surface, does not affect the aeroperformance of blade 1 so that it is can normal capturing wind energy.
This blade de-icing device utilizes the expansion character of overlay film 2, by carrying out deicing to ventilation between overlay film 2 and blade 1, the impact of envrionment temperature, humidity and icing degree can not be subject to, carry out blade deicing quickly and easily, just can complete blade deicing in the short period of time, there is higher deicing efficiency, the uptime of wind power generating set can not be delayed so that it is generated energy is ensured. And, the working order of air pump 3 can be controlled by detection control unit 6 relatively easily, make this blade de-icing device have the advantage of control easy to use. In addition, the energy can more be saved compared to the gentle hot deicing of existing electric heating deicing.
In concrete application scene, overlay film 2 covers the form on blade 1 surface, it is possible to realize by arranging the pockets 9 with overlay film 2 mating shapes on blade shell. As shown in Figure 4, pockets 9 can hold overlay film 2, and make the surface of overlay film 2 equal with the outside surface profile of blade shell, reach the outward appearance not affecting blade 1, make the outside surface profile of the blade 1 with overlay film 2 consistent with design (herein with design unanimously refer in the scope that processing error allows with design unanimously), do not affect the object of the aeroperformance of blade 1, and then make the blade 1 can normal capturing wind energy, the ice on blade 1 surface can be removed simultaneously fast, prevent the aeroperformance of blade 1 surface icing effect blade 1. And, overlay film 2 is arranged in pockets 9, it is possible to conveniently carry out safeguarding and changing.
In addition, the leading edge locus (shown in figure position) that overlay film 2 is preferably arranged on blade 1 easily to freeze, for carrying out blade deicing at leading edge locus place. Certainly, owing to the installation environment of wind power generating set is different, icing position on blade 1 is also different, and overlay film 2 can also adjust according to the icing position of the reality of blade 1, makes different situations apparatus for lower wind generating set that this blade de-icing device all can be adopted to carry out blade deicing. Such as, wind power generating set is arranged on mountain, and the blade tip leading edge of blade 1 is easily frozen, then overlay film 2 can only be arranged on the blade tip leading edge portion of blade 1. If the environment that arranges of wind power generating set makes the whole leading edge of blade all easily freeze, then overlay film 2 can be arranged on the leading edge of whole blade 1.
Air pump 3 can be built in blade 1 root, is conveniently ventilated between overlay film 2 and blade 1 by ventpipe 5, and from air-breathing between overlay film 2 and blade 1. Certainly, air pump 3 can also be arranged in wheel hub or the engine room inside of wind power generating set, as long as can to ventilation between overlay film 2 and blade 1 or from air-breathing between overlay film 2 and blade 1. For reaching better deicing effect, it is possible to be connected with ventilating pit 4 through ventpipe 5 again after making air pump 3 gas out be heated by heater block. In this case, overlay film 2 can be film that is nonelastic or micro-elasticity. Such as, if the power of air pump 3 is enough big, it can be arranged in the wheel hub of wind power generating set, by how to be connected with three blades 1 with ventpipe 5 simultaneously, to carry out deicing to three overlay film 2 place ventilations simultaneously.
Detection control unit 6 detects blade 1 the need of deicing, needs deicing control air pump 3 to start to the ventilation of overlay film 2 place at blade 1, overlay film 2 is expanded and carries out deicing; And after deicing completes, control air pump 3 from overlay film 2 air-breathing, make the outside surface of blade 1 revert to normal shape.
Specifically, detection control unit 6 comprises detection components 7 and controller 8, detection components 7 detects whether the temperature of environment residing for blade 1 and humidity and blade 1 freeze, controller 8 is connected with detection components 7 and air pump 3 respectively, for receiving the data that detection components 7 detects, and according to the start and stop of this Data Control air pump 3 with turn to.
After controller 8 receives the data that detection components 7 detects, carry out judging whether blade 1 meets deicing condition, and then determine that blade 1 is the need of deicing. If blade 1 meets deicing condition, controller 8 controls air pump 3 and starts and ventilate to overlay film 2 place, overlay film 2 is expanded and carries out deicing, and after deicing completes, control air pump 3 turn to and make blade 1 recover normal shape from overlay film 2 air-breathing, and after blade 1 recovers normal shape, control air pump 3 stops work. If blade 1 not met deicing condition, then air pump 3 does not start, and detection components 7 continues detection.
More preferably, detection components 7 comprises the first temperature sensor, humidity sensor and freezing sensor.
First temperature sensor is for detecting the temperature of environment residing for blade 1, and the ambient temperature data detected is transferred to controller 8. On its cabin outside surface that can be arranged on blade 1 place, the environment difference at usual blade 1 place and cabin place is little, therefore the envrionment temperature at cabin place and ambient moisture can embody envrionment temperature and the humidity at blade 1 place, thus can the first temperature sensor be arranged on the outside surface of cabin, and this position arranges sensor easily stablely, it is possible to facilitate the first temperature sensor accurately testing environment temperature.
Freezing sensor is for detecting whether blade 1 freezes, and the transfer whether frozen by the blade detected is to controller 8. It on blade 1, such as, can be arranged on blade inlet edge position, convenient accurately detects whether blade 1 freezes. Freezing sensor can also be arranged on the outside surface of cabin, freezing sensor to arrange position identical with the first temperature sensor with principle, repeat no more herein.
First humidity sensor for detecting the humidity of environment residing for blade 1, and by the ambient moisture transfer that detects to controller 8, on its cabin outside surface that can be arranged on blade 1 place, convenient accurately testing environment humidity. First humidity sensor to arrange position identical with the first temperature sensor with principle, repeat no more herein.
Controller 8 is from the first temperature sensor, freezing sensor and the first humidity sensor reception environment temperature data, the whether icing data of blade and ambient moisture data respectively, and judges that blade 1 is the need of deicing. Specifically, if ambient temperature data is lower than the first temperature threshold value, and blade is icing, and ambient moisture data are higher than the first humidity threshold, then be judged as that blade 1 meets deicing condition. Otherwise, it is judged as blade 1 not met deicing condition. Wherein, the first temperature threshold value and the first humidity threshold can according to different geographicals, and the environment residing for wind power generating set determines. Such as, the most area of south China, above-mentioned first temperature threshold value is less than or equals 4 DEG C, and it is 60% that the first humidity threshold is more than or equal to atmospheric moisture, and freezing sensor judges to freeze, then judge to need deicing. Otherwise, if wherein any one condition does not meet, then judge not need deicing.
More preferably, in order to accelerate except speed of icing, the form that arranges of ventilating pit 4 is preferably, and the length direction along blade 1 arranges multiple ventilating pit 4 in interval successively, each ventilating pit 4 is all connected with a ventpipe 5, and each ventpipe 5 is all connected with air pump 3.
When detection control unit 6 detects that blade 1 needs deicing, air pump 3 can be controlled open, and be ventilated in multiple ventilation ventilating pit 4 by multiple ventpipe 5 simultaneously, the gas between overlay film 2 and blade 1 is increased rapidly, and then make overlay film 2 undergoes rapid expansion, accelerate except speed of icing. In addition, after deicing completes, air pump 3 by multiple ventpipe 5 from air-breathing rapid between overlay film 2 and blade 1, can make overlay film 2 recover rapidly shape, is fitted in blade 1 surface, makes the blade 1 can normal operation.
More preferably, air pump 3 is successively by being connected with ventilating pit 4 after heater block (not shown) and ventpipe 5, for leading to into heated gas to overlay film 2 (comprising film that is nonelastic or micro-elasticity) place, make overlay film 2 can rapid expansion, and then improve except speed of icing.
In the present embodiment, overlay film 2 is preferably the elastica of elastomeric material. Elastomeric material has snappiness, high tenacity, the advantage such as wear-resisting, and the elastica that elastomeric material is made can facilitate overlay film 2 undergoes rapid expansion as overlay film 2 and recover proterties, accelerates except speed of icing. And, the price of elastomeric material is cheap, it may also be useful to the life-span is longer, it is possible to reduce the cost of this blade de-icing device to a certain extent. In addition, the micro-elasticity film that overlay film 2 can also be made for other materials, or inelastic film, make overlay film 2 expand to leading between overlay film 2 and blade 1 into warm air by air pump 3, reach the object of blade deicing.
Blade de-icing device as above, utilizes air pump 3 to the overlay film 2 place ventilation being arranged on blade 1 surface, it is possible to complete to high-level efficiency blade deicing work. On this basis, the present embodiment also provides a kind of wind power generating set, this wind power generating set comprises blade 1, and blade 1 is provided with above-mentioned blade de-icing device, this wind power generating set can utilize blade de-icing device to complete blade deicing work fast, do not delay the time that it normally runs, to ensure that it has higher generated energy.
More preferably, blade 1 comprises blade shell, and this blade shell is provided with pockets 9, and overlay film 2 is arranged in pockets 9, and the flush with outer surface of the outside surface of overlay film 2 and adjacent blade shell.
Specifically, the shape of pockets 9 and the mating shapes of overlay film 2, the edge of overlay film 2 is bonded in the position, edge of pockets 9 by powerful sizing agent, ensure that gas can not spill from the edge of overlay film 2, and the thickness of overlay film 2 is identical with the degree of depth of pockets 9, make the outside surface of overlay film 2 equal with the outside surface profile of blade shell, to reach the object of the ability not affecting blade 1 capturing wind energy.
More preferably, air pump 3 is arranged on the wheel hub of wind power generating set, and three blades 1 being connected with wheel hub are all connected in air pump 3 by ventpipe 5, air pump 3 can be ventilated to overlay film 2 place on three blades 1 simultaneously, carry out deicing work on three blades 1; And simultaneously from overlay film 2 air-breathing on three blades 1, make the fast quick-recovery shape of overlay film 2. In addition, air pump 3 can be arranged on the base region of blade 1, or is arranged on engine room inside.
According to a further aspect in the invention, the present embodiment also provides a kind of blade de-icing method, and this blade de-icing method adopts blade de-icing device as above that the blade of wind power generating set is carried out deicing, and this blade de-icing method comprises:
Detecting step: whether the detection control unit detection envrionment temperature of blade 1, ambient moisture and blade freeze, and whether freeze according to envrionment temperature, ambient moisture and blade and judge whether to need deicing.
Deicing step: if desired deicing, then detection control unit 6 controls air pump 3 to inflation between overlay film 2 and blade 1, and overlay film 2 is expanded.
Recovering step: after inflation very first time t1, detection control unit 6 controls air pump 3 and is extracted out by the gas between overlay film 2 and blade 1, and overlay film 2 is close on blade 1.
When performing detecting step, whether the envrionment temperature of blade 1, ambient moisture and blade are frozen by detection control unit 6 is detected, and judges whether blade 1 meets deicing condition according to detected result, and then determines that blade 1 is the need of deicing.
When performing deicing step, when detection control unit 6 determines that blade 1 needs deicing, control air pump 3 is inflated to overlay film 2 place, gas volume between overlay film 2 and blade 1 is increased, and then the blade making overlay film 2 expansion extruding cover on overlay film 2 freezes, blade freezes broken after being squeezed and comes off from blade.
When performing recovering step, after air pump 3 reaches very first time t1 to the inflationtime that overlay film 2 goes out, detection control unit 6 controls air pump 3 from air-breathing between overlay film 2 and blade 1, makes overlay film 2 recover shape and be close on blade 1.
In the present embodiment, very first time t1 is determined by the inflation rate of the concrete shape of overlay film 2 and air pump 3. Specifically, if overlay film 2 is rectangle overlay film, its length is H, and width is L, then needing to lead to into volume amount to overlay film 2 place is kLH (mm3) gas, it just can be made effectively to expand and to carry out deicing effectively. Wherein, the concrete numerical value of k determines according to the material of overlay film 2, and such as, the numerical value of the k of overlay film 2 correspondence of the elastomeric material in the present embodiment is 60. If the inflation rate of air pump 3 is Q (mm3/ s), then very first time t1 is kLH/Q (s). In addition, the defining method of very first time t1 is not limited by the technical scheme of the present invention, and it can adopt other modes to determine, as long as blade deicing can be ensured effectively to carry out.
This blade de-icing method utilizes overlay film 2 easy dilating principle under gas effect, by control air pump 3 to the overlay film 2 place inflation being arranged on blade 1 surface, carry out high efficiency blade deicing, and after deicing completes, control air pump 3 from overlay film 2 air-breathing, wind power generating set can normally be run.
The blade de-icing device of the embodiment of the present invention and wind power generating set, blade de-icing method have following effect:
Carry out blade deicing by air pump to the overlay film inflation being arranged on blade surface, it is possible to complete blade deicing in the short period of time, effectively improve blade deicing efficiency;
By overlay film is close to blade surface, make the shape of blade and the impact of aeroperformance step, and then make the blade can normal capturing wind energy.
In addition, this blade de-icing device also has and facilitates control, use, and the advantage such as cost is lower.
The above; it is only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any it is 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 (10)
1. a blade de-icing device, it is characterised in that, comprising:
Overlay film (2), described overlay film (2) is arranged on the blade (1) needing deicing, and cover at least part of outside surface of blade (1), the coated region of described blade (1) is provided with at least one ventilating pit running through described blade (4);
Air pump (3), described air pump (3) is connected with described ventilating pit (4) by ventpipe (5), and can ventilate between described overlay film (2) and described blade (1), drive described overlay film (2) expand or make described overlay film (2) be close to described blade (1) surface from air-breathing between described overlay film (2) and described blade (1);
Detection control unit (6), described detection control unit (6) is connected with described air pump (3), detects described blade (1) and the need of deicing and controls described air pump (3) work.
2. blade de-icing device according to claim 1, it is characterised in that, described detection control unit (6) comprising:
Detection components (7), described detection components (7) detects whether the temperature of environment residing for described blade (1) and humidity and described blade (1) freeze;
Controller (8), described controller (8) is connected with described detection components (7) and described air pump (3) respectively, receive the data that described detection components (7) detects, and air pump (3) start and stop and turning to according to described Data Control.
3. blade de-icing device according to claim 2, it is characterised in that, described detection components (7) comprising:
First temperature sensor, described first temperature sensor is arranged on the cabin outside surface at described blade (1) place, and detects the temperature of environment residing for described blade (1);
Freezing sensor, described freezing sensor is arranged on described blade (1) or on the outside surface of cabin, and detects whether described blade (1) freezes;
First humidity sensor, described first humidity sensor is arranged on the cabin outside surface at described blade (1) place, and detects the humidity of environment residing for described blade (1).
4. blade de-icing device according to claim 1, it is characterized in that, length direction along described blade (1) is arranged at intervals with multiple ventilating pit (4) successively, all being connected with a ventpipe (5) on each described ventilating pit (4), each described ventpipe (5) is all connected with described air pump (3).
5. blade de-icing device according to claim 1, it is characterised in that, described air pump (3) is connected with described ventilating pit (4) by heater block and described ventpipe (5) successively again.
6. blade de-icing device according to claim 1, it is characterised in that, the elastica that described overlay film (2) is rubber material.
7. a wind power generating set, the blade de-icing device comprising blade (1) and being arranged on described blade (1), it is characterised in that, described blade de-icing device is the blade de-icing device according to any one of claim 1 to 6.
8. wind power generating set according to claim 7, it is characterized in that, described blade (1) comprises blade shell, described blade shell is provided with pockets (9), described overlay film (2) is arranged in described pockets (9), and the flush with outer surface of the outside surface of described overlay film (2) and adjacent described blade shell.
9. wind power generating set according to claim 7, it is characterised in that, described air pump (3) is arranged on the wheel hub of described wind power generating set, the base region of described blade (1) or engine room inside.
10. a blade de-icing method, it is characterised in that, described blade de-icing method adopts the blade de-icing device according to any one of claim 1 to 6, and described blade de-icing method comprises the steps:
Detecting step: detection control unit (6) detects whether the envrionment temperature of described blade (1), ambient moisture and blade freeze, and whether freeze according to described envrionment temperature, described ambient moisture and described blade and judge whether to need deicing;
Deicing step: if desired deicing, then detection control unit (6) control air pump (3) is inflated between described overlay film (2) and described blade (1), and described overlay film (2) is expanded;
Recovering step: after inflation very first time t1, detection control unit (6) controls described air pump (3) and is extracted out by the gas between described overlay film (2) and described blade (1), and described overlay film (2) is close on described blade (1).
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| CN201511019717.1A CN105626396A (en) | 2015-12-29 | 2015-12-29 | Blade deicing device, wind generating set and blade deicing method |
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| CN201511019717.1A CN105626396A (en) | 2015-12-29 | 2015-12-29 | Blade deicing device, wind generating set and blade deicing method |
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| CN108248077A (en) * | 2017-12-04 | 2018-07-06 | 惠阳航空螺旋桨有限责任公司 | A kind of blade deicing heating plate forming method |
| CN108311422A (en) * | 2018-02-11 | 2018-07-24 | 中铁大桥科学研究院有限公司 | A kind of bridge cable deicing system and method |
| CN108405485A (en) * | 2018-02-11 | 2018-08-17 | 中铁大桥科学研究院有限公司 | A kind of guy of twisted steel cable for cable stayed bridge ice-removing and ice-preventing system and method |
| CN110747740A (en) * | 2019-10-23 | 2020-02-04 | 三峡大学 | Intelligent anti-icing and deicing system for stay cable and application method |
| CN113266604A (en) * | 2021-07-21 | 2021-08-17 | 中国航发上海商用航空发动机制造有限责任公司 | Anti-icing structure of inlet guide vane of aircraft engine and inlet guide vane |
| CN114165395A (en) * | 2021-12-04 | 2022-03-11 | 中国长江三峡集团有限公司 | Deicing device for blades of wind driven generator and installation and use method |
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| CN106014854A (en) * | 2016-07-25 | 2016-10-12 | 杨林 | Wind turbine blade auxiliary heating device used in electric power field |
| CN106168196A (en) * | 2016-08-19 | 2016-11-30 | 中北大学 | There is anti-icing, the wind electricity blade of deicer |
| CN106168196B (en) * | 2016-08-19 | 2019-04-12 | 中北大学 | With anti-icing, deicer wind electricity blade |
| CN108248077A (en) * | 2017-12-04 | 2018-07-06 | 惠阳航空螺旋桨有限责任公司 | A kind of blade deicing heating plate forming method |
| CN108311422A (en) * | 2018-02-11 | 2018-07-24 | 中铁大桥科学研究院有限公司 | A kind of bridge cable deicing system and method |
| CN108405485A (en) * | 2018-02-11 | 2018-08-17 | 中铁大桥科学研究院有限公司 | A kind of guy of twisted steel cable for cable stayed bridge ice-removing and ice-preventing system and method |
| CN108405485B (en) * | 2018-02-11 | 2020-11-06 | 中铁大桥科学研究院有限公司 | Cable-stayed bridge steel strand inhaul cable deicing and anti-icing system and method |
| CN110747740A (en) * | 2019-10-23 | 2020-02-04 | 三峡大学 | Intelligent anti-icing and deicing system for stay cable and application method |
| CN113266604A (en) * | 2021-07-21 | 2021-08-17 | 中国航发上海商用航空发动机制造有限责任公司 | Anti-icing structure of inlet guide vane of aircraft engine and inlet guide vane |
| CN113266604B (en) * | 2021-07-21 | 2021-10-08 | 中国航发上海商用航空发动机制造有限责任公司 | Anti-icing structure of inlet guide vane of aircraft engine and inlet guide vane |
| CN114165395A (en) * | 2021-12-04 | 2022-03-11 | 中国长江三峡集团有限公司 | Deicing device for blades of wind driven generator and installation and use method |
| CN114165395B (en) * | 2021-12-04 | 2023-06-16 | 中国长江三峡集团有限公司 | Wind driven generator blade deicing device and installation and use method thereof |
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Application publication date: 20160601 |