CN202483809U - Wind turbine blade with functions of anti-icing and deicing - Google Patents
Wind turbine blade with functions of anti-icing and deicing Download PDFInfo
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- CN202483809U CN202483809U CN2012200922778U CN201220092277U CN202483809U CN 202483809 U CN202483809 U CN 202483809U CN 2012200922778 U CN2012200922778 U CN 2012200922778U CN 201220092277 U CN201220092277 U CN 201220092277U CN 202483809 U CN202483809 U CN 202483809U
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- blade
- pneumatic equipment
- equipment blades
- blades made
- pore
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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
Abstract
The utility model discloses a wind turbine blade with functions of anti-icing and deicing. A heating area is arranged on an inner chamber of the wind turbine blade and a plurality of air holes are arranged on the wind turbine blade. According to the wind turbine blade with the functions of anti-icing and deicing, a method of gas film heating is adopted and utilizes hot flues generated by the heating area of the inner chamber of the blade to heat the surface of the blade through the air holes on the surface of the blade. The wind turbine blade with the functions of anti-icing and deicing has the advantages of being even in the blade surface heating, fast in heating speed, and good in effects of anti-icing and deicing, and small in damage of the blade service life, thereby being capable of widely applying to the wind power generation field.
Description
Technical field
The utility model relates to pneumatic equipment blades made to be prevented/the deicing field, particularly, relates to a kind of pneumatic equipment blades made with anti-/ deicing function.
Background technique
In the face of the growing energy consumption demand and the pressure of environmental protection aspect, countries in the world are all in the exploitation that strengthens new energy.The renewable energy sources of cleanliness without any pollution, environmental protection is the focus of world today's energy development.Wind energy is the most representative a kind of in the renewable energy sources, it to the protection environment with keep the ecological balance, and reduce conventional energy resource relied on and to improve energy resource structure all significant.Especially to the high altitude localities, conventional energy resource is rare, and wind-resources is abundant, and the high altitude localities climatic characteristic is that air pressure is low, rarefaction of air and oxygen content is lower, mean annual temperature is low, temperature difference per day is big, intensity of solar radiation is big etc.To the low climatic characteristic of high altitude localities mean annual temperature, winter the rime phenomenon appears easily, blade surface " crystallization "; Roughness increases; This has not only reduced the pneumatic efficiency of aerofoil profile, has also increased the weight of blade, and the blade crystalline solid in the rotation comes off to the harmfulness of surrounding enviroment; Also be easy to cause discontinuity such as main shaft, gear-box and damage, need to shut down and wait for ice-out.Reduced generated energy the working time that this has not only shortened the wind energy conversion system generator set, also reduced unit availability, shortened working life of blade.Therefore pneumatic equipment blades made anti-/ the deicing technology is the key factor of considering in the design of wind energy conversion system generator set.
There are following several kinds of solutions at home and abroad in the problem that fan blade freezes, and every kind of scheme all cuts both ways: scheme one is that the centrifugal force that produces when utilizing the impeller rotation gets rid of ice, but it is aging to increase the weight of unit load acceleration original paper; Scheme two is that heating is installed heating wire additional exactly on blade to blade, and this will consider the problem of lightning protection and heating-up temperature; Scheme three is the blade painted black, but summer, blade high temperature may make deformable blade; Scheme four is to use non-viscous paint, but at present like also there not being this coating.
The model utility content
The purpose of the utility model is to provide a kind of pneumatic equipment blades made with anti-/ deicing function, has that blade surface homogeneous heating, rate of heating are fast, anti-/ deicing is effective, to the little advantage of leaf longevity damage.
For realizing above-mentioned purpose, the utility model is taked following technological scheme:
A kind of pneumatic equipment blades made with anti-/ deicing function be provided with the heating-up zone at the pneumatic equipment blades made inner chamber, and pneumatic equipment blades made is provided with a plurality of pores.
Further, said a plurality of pore is arranged on pressure side and the suction surface of pneumatic equipment blades made near the blade inlet edge place.
Further, said a plurality of pores are many rows to be arranged, each exhaust port on said blade pressure surface and suction surface near the tangential even distribution in edge of blade inlet edge place.
Further, near tangential 3 exhaust ports that are evenly distributed with respectively in edge said blade pressure surface and suction surface upper blade leading edge 5 percent.
Further; Said a plurality of pore is many rows and arranges; Said every exhaust port all has a row corresponding attached to the metal stopper on the tinsel; All metal stoppers all are fixed on and form the interlock system on the tinsel, and a side of said pore is provided with level and smooth sulculus, and said metal stopper can be along level and smooth sulculus slide opening and closing pore.
Further, the pore from root of blade to the blade stage casing is descending linear change at interval, and the pore from the blade stage casing to leaf tip is divided equally distribution.
Further, the diameter of each pore is 3～10mm, and root of blade is spaced apart 10～100mm to the pore in blade stage casing, and the blade stage casing is spaced apart 10～20mm to the pore of leaf tip.
Further; The heating-up zone of said pneumatic equipment blades made inner chamber is arranged on root of blade; Said heating-up zone comprises a blower with heating function; Said blower is connected with the semicircle heat conductive tube, is respectively arranged with the flexible heat insulation felt that prevents that air-flow from flowing backwards at an end of semicircle heat conductive tube and an end of blower.
Further, in said pneumatic equipment blades made stage casing and blade tip, be respectively arranged with centrifugal cutter.
Further, also be provided with the power line that is connected with consumer at said blade inner chamber, said power line adopts 1～5mm
2High temperature resistant wire.
The utility model is owing to take above technological scheme, and it has the following advantages:
1, the utility model is through being provided with the heating-up zone at the blade inner chamber; Pore is set on the blade; Adopt the mode of air film heating that blade surface is implemented heating, make blade possess anti-freeze and ability deicing, compare toward the logical hot gas heating of blade inner chamber have the blade surface homogeneous heating, rate of heating is fast, anti-/ deicing is effective, to advantages such as the leaf longevity damage are little; And its laying process is simple; Need not change the blade body design, have safe and reliable advantage, can be widely used in the wind-powered electricity generation field.
2, the layout of blade pore has met the actual conditions that blade freezes in the utility model, and this layout has also reduced the loss of blade aeroperformance when guaranteeing deicing efficiency.
3, the utility model is owing to adopt and pore metal stopper one to one; All metal stoppers all are fixed on and form the interlock system on the tinsel; When blade need not the air film heating; Slidably tinsel make metal stopper with pore stifled on, this scheme can prevent the blade pore airless through the time stopped up by foreign material and influence heats, also can reduce the influence pneumatic that the blade profile change that produces because of the blade punching causes in addition to blade.
4, in blade stage casing and blade tip, place centrifugal cutter,, improve heating blade, anti-/ deicing efficiency so that accelerate the hot gas flowing velocity.
Through accompanying drawing and embodiment, the technological scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is a kind of cut-away view with pneumatic equipment blades made of anti-/ deicing function of the utility model;
Fig. 2 is a kind of cross-sectional view with pneumatic equipment blades made of anti-/ deicing function of the utility model;
Fig. 3 is a kind of whole pore schematic layout pattern with pneumatic equipment blades made of anti-/ deicing function of the utility model;
Fig. 4 is a kind of local pore schematic layout pattern with pneumatic equipment blades made of anti-/ deicing function of the utility model.
Embodiment
Describe below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that preferred embodiment described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
The utility model is that the mode of employing air film heating is implemented heating to the pneumatic equipment blades made surface, makes blade possess anti-freeze and ability deicing.
As shown in Figure 1; A kind of pneumatic equipment blades made of the utility model with anti-/ deicing function; Be provided with the heating-up zone at the pneumatic equipment blades made inner chamber, the heating-up zone is arranged on root of blade, and the heating-up zone comprises a blower 1 with heating function; Blower 1 is connected with semicircle heat conductive tube 2, is respectively arranged with the flexible heat insulation felt 3 that prevents that air-flow from flowing backwards at an end of semicircle heat conductive tube 2 and an end of blower 1.
Like Fig. 2,3, shown in 4, the utility model mainly is to be provided with a plurality of pores 4 through pneumatic equipment blades made, utilizes the hot air flow of the heating-up zone generation of blade inner chamber to heat through 4 pairs of blade surfaces of blade surface pore.Wherein, Pore 4 can be positioned on blade pressure surface 5 and the suction surface 6 near blade inlet edge 75 percent near along tangential even distributions (each face is provided with three exhaust ports 4); Every exhaust port 4 all has a row corresponding attached to the metal stopper (not shown) on the tinsel; All metal stoppers all are fixed on and form the interlock system on the tinsel; Every exhaust port 4 is according to the layout machine shaping of design in advance, and leaves level and smooth sulculus (not shown) in pore 4 one sides, make things convenient for metal stopper slide with realize with the coincidence of pore 4 with separate.When blade need not the air film heating; Slidably tinsel makes metal stopper that pore 4 is blocked up; This scheme can prevent that blade pore 4 from being influenced heats by the foreign material obstruction when airless passes through, and also can reduce the blade profile that produces because of the blade punching in addition and change the influence pneumatic to blade that causes.
Consider in the reality that it is linear to the blade stage casing that blade freezes at root of blade; It is equally distributed freezing to the blade tip blade from the blade stage casing; Like Fig. 3, shown in 4; Above-mentioned rule-promptly the pore from root of blade to the blade stage casing 4 is descending linear change at interval so every exhaust port 4 also meets to distributing along the blade exhibition, and the pore 4 from the blade stage casing to blade tip is divided equally distribution.This layout has taken into full account the actual conditions that blade freezes, the utilization ratio that has improved the air film deicing, has reduced the influence near the structure attribute the root of blade.
In the foregoing description, the diameter of each pore 4 is 3～10mm, and root of blade is spaced apart 10～100mm to the pore 4 in blade stage casing, and the blade stage casing is spaced apart 10～20mm to the pore 4 of leaf tip.The metal stopper size of corresponding pore 4 is consistent with pore 4 with distribution.
In the foregoing description, as shown in Figure 1,3 centrifugal cutters 8 can be set in pneumatic equipment blades made stage casing and blade tip.Three centrifugal cutters 8 of blade interior layout, power range is 5～20kw, centrifugal cutter 8 has quickened blade interior hot air flow flowing velocity, has made air-flow more easily through the bigger position (such as blade tip) of flow resistance, improves blade and prevents/deicing efficiency.
In the above-described embodiments, also be provided with the power line (not shown) that is connected with consumer (like blower 1, centrifugal cutter 8) at the blade inner chamber, power line adopts 1～5mm
2High temperature resistant wire.
Above-mentioned each embodiment only is used to explain the utility model; The structure of each parts, size, the position is set and shape all can change to some extent; On the basis of the utility model technological scheme; All improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside the protection domain of the utility model.
Claims (10)
1. the pneumatic equipment blades made with anti-/ deicing function is characterized in that, be provided with the heating-up zone at the pneumatic equipment blades made inner chamber, and pneumatic equipment blades made is provided with a plurality of pores.
2. the pneumatic equipment blades made with anti-/ deicing function according to claim 1 is characterized in that, said a plurality of pores are arranged on pressure side and the suction surface of pneumatic equipment blades made near the blade inlet edge place.
3. the pneumatic equipment blades made with anti-/ deicing function according to claim 2 is characterized in that, said a plurality of pores are many rows to be arranged, each exhaust port on said blade pressure surface and suction surface near the tangential even distribution in edge of blade inlet edge place.
4. the pneumatic equipment blades made with anti-/ deicing function according to claim 3 is characterized in that, near tangential 3 exhaust ports that are evenly distributed with respectively in edge said blade pressure surface and suction surface upper blade leading edge 5 percent.
5. the pneumatic equipment blades made with anti-/ deicing function according to claim 1; It is characterized in that; Said a plurality of pore is many rows to be arranged, and said every exhaust port all has a row corresponding attached to the metal stopper on the tinsel, and all metal stoppers all are fixed on and form the interlock system on the tinsel; One side of said pore is provided with level and smooth sulculus, and said metal stopper can be along level and smooth sulculus slide opening and closing pore.
6. according to each described pneumatic equipment blades made with anti-/ deicing function of claim 1-5, it is characterized in that the pore from root of blade to the blade stage casing is descending linear change at interval, the pore from the blade stage casing to leaf tip is divided equally distribution.
7. the pneumatic equipment blades made with anti-/ deicing function according to claim 6; It is characterized in that; The diameter of each pore is 3～10mm, and root of blade is spaced apart 10～100mm to the pore in blade stage casing, and the blade stage casing is spaced apart 10～20mm to the pore of leaf tip.
8. the pneumatic equipment blades made with anti-/ deicing function according to claim 1; It is characterized in that; The heating-up zone of said pneumatic equipment blades made inner chamber is arranged on root of blade; Said heating-up zone comprises a blower with heating function, and said blower is connected with the semicircle heat conductive tube, is respectively arranged with the flexible heat insulation felt that prevents that air-flow from flowing backwards at an end of semicircle heat conductive tube and an end of blower.
9. the pneumatic equipment blades made with anti-/ deicing function according to claim 1 is characterized in that, in said pneumatic equipment blades made stage casing and blade tip, is respectively arranged with centrifugal cutter.
10. according to Claim 8 or 9 described pneumatic equipment blades mades with anti-/ deicing function, it is characterized in that, also be provided with the power line that is connected with consumer at said blade inner chamber, said power line adopts 1～5mm
2High temperature resistant wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200922778U CN202483809U (en) | 2012-03-13 | 2012-03-13 | Wind turbine blade with functions of anti-icing and deicing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200922778U CN202483809U (en) | 2012-03-13 | 2012-03-13 | Wind turbine blade with functions of anti-icing and deicing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483809U true CN202483809U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200922778U Expired - Lifetime CN202483809U (en) | 2012-03-13 | 2012-03-13 | Wind turbine blade with functions of anti-icing and deicing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562487A (en) * | 2012-03-13 | 2012-07-11 | 国电联合动力技术有限公司 | Wind turbine blade with anti-ice/ice-removing function |
| WO2017063927A1 (en) * | 2015-10-16 | 2017-04-20 | Senvion Gmbh | Heated aerodynamic attachment parts |
-
2012
- 2012-03-13 CN CN2012200922778U patent/CN202483809U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562487A (en) * | 2012-03-13 | 2012-07-11 | 国电联合动力技术有限公司 | Wind turbine blade with anti-ice/ice-removing function |
| WO2017063927A1 (en) * | 2015-10-16 | 2017-04-20 | Senvion Gmbh | Heated aerodynamic attachment parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NATIONAL ELECTRIC NEW ENERGY TECHNOLOGY INSTITUTE Effective date: 20130715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130715 Address after: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee after: Guodian United Power Technology Co., Ltd. Patentee after: Guodian New Energy Technology Institute Address before: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee before: Guodian United Power Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |