CN104595110A - Draught fan wind wheel adjusting device and draught fan set comprising draught fan wind wheel adjusting device - Google Patents
Draught fan wind wheel adjusting device and draught fan set comprising draught fan wind wheel adjusting device Download PDFInfo
- Publication number
- CN104595110A CN104595110A CN201410711136.3A CN201410711136A CN104595110A CN 104595110 A CN104595110 A CN 104595110A CN 201410711136 A CN201410711136 A CN 201410711136A CN 104595110 A CN104595110 A CN 104595110A
- Authority
- CN
- China
- Prior art keywords
- regulating device
- blade
- wind wheel
- adjusting device
- wind
- 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims description 102
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005755 formation reaction Methods 0.000 description 8
- 238000010408 sweeping Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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 invention discloses a draught fan wind wheel adjusting device and a draught fan set comprising the draught fan wind wheel adjusting device. The adjusting device is of a blade section structure, one end of the adjusting device is connected with a draught fan hub/variable-pitch bearing, the other end of the adjusting device is connected with the draught fan variable-pitch bearing/a blade root, and a pneumatic airfoil is arranged on a blade section adjusting device. According to the draught fan set, the blade section adjusting device is connected between the hub and the variable-pitch bearing, the variable-pitch bearing is connected with the blade or the blade section adjusting device is connected between the variable-pitch bearing and the blade root, and the variable-pitch bearing is connected with the hub. The blade section adjusting device is provided with the pneumatic airfoil, and after the adjusting device is assembled and formed on a wind wheel, the pneumatic airfoil of the adjusting device and a pneumatic airfoil on the blade correspond to the same position of the blade. According to the draught fan wind wheel adjusting device, the windward area of the wind wheel can be effectively enlarged, meanwhile, the resistance coefficient of a length adjusting section on the wind wheel blade is greatly reduced, the wind catching performance of the wind wheel is effectively and reliably improved, and the advantages of the large-diameter wind wheel can be fully shown.
Description
Technical field
The present invention relates to wind power plant, specifically a kind of wind turbines rotor regulating device, and comprise the wind power generating set of this regulating device.
Background technique
In recent years, in order to improve the wind power generating set generated energy of low wind speed and wind electric field, under the prerequisite increasing construction cost not significantly, the measure mainly taked in industry is, on the existing blade basis of wind-driven generator group wind-wheel, by setting up the wind wheel regulating device of hollow tube-shape to increase the wind-exposuring area of wind wheel between blade root and wheel hub, that improves wind wheel catches wind performance, disclosed " Wind wheel lengthening ring " (publication number: the CN 201794723 of such as Chinese patent literature, publication date: on April 13rd, 2011), " blade of wind-driven generator regulating device and comprise the wind-driven generator of this regulating device " (publication number: CN 201953566, publication date: on August 31st, 2011) etc.
Though above-mentioned technology by the mode increasing rotor diameter size increase effectively wind wheel wind-exposuring area, improve wind wheel catch wind performance.But, this increase rotor diameter size adopt the simple regulating device increased to be only the post/cone structure of hollow, its structure, shape do not take into full account the characteristic that air flows, the resistance coefficient of the blade cylindrical section of wind wheel is strengthened, and (we know, wind wheel is caught wind performance and is not only directly proportional to rotor diameter size, but also open up the lift of arbitrary micro-section (i.e. foline) upwards with wind wheel blade, drag characteristic has close ties), thus the wind energy power making major diameter wind wheel catch is relatively limited, do not reach the abundant application of major diameter wind wheel.In addition, based on this post/cone structure equally, air very easily turbulization when flowing through the cylindrical section of wind wheel of flowing, thus the wind wheel blade resistance coefficient of wind power generating set is increased further, this resistance coefficient is directly proportional to the length of wind wheel blade cylindrical section, and then has had a strong impact on the generated output coefficient of wind power generating set; Still more, the turbulent flow of this wind wheel blade cylindrical section produces and easily causes the vibration of wind power generating set (length of this especially wind wheel blade cylindrical section is long more obvious), this vibration not only can reduce the generated energy of wind power generating set, but also can bring potential safety hazard to wind power generating set.
Summary of the invention
The object of the invention is to: for the reconstruction present situation of above-mentioned low wind speed and wind electric field and the deficiency of existing wind wheel regulating device, according to air-flow character, there is provided a kind of wind wheel that can effectively improve to catch wind energy power, improve generated energy and wind turbines rotor regulating device safe and reliable to operation thereupon, and comprise the wind power generating set of this regulating device.
Wind turbines rotor regulating device provided by the invention is: a kind of blower fan wind wheel regulating device, described regulating device is blade sections structure, its one end is connected with axial fan hub, the other end is connected with blower variable-pitch bearing, or, its one end is connected with blower variable-pitch bearing, the blade root fastenings of the other end and fan blade, and described blade sections regulating device is provided with pneumatic wing type.
The flow-disturbing wing is provided with between the pneumatic wing type of described regulating device and the pneumatic wing type of fan blade; Or the pneumatic wing type on described regulating device is corresponding with the pneumatic wing type on fan blade, mate, the two is combined formation and seamlessly transits.
The flow-disturbing wing on described regulating device is the tail-like or shoulder first shape structure of curved surface.
Described regulating device is Flange joint with the linkage structure of fan part, tapered sleeve is connected and/or two layered cylinder adds end plate connection.
Described regulating device be formed in one structure or split welding composite structure.
There is between the axis of two end faces of described regulating device the angle of 0 ~ 2 °.
The wind power generating set comprising above-mentioned regulating device provided by the invention is: a kind of blower fan group comprising above-mentioned blower fan wind wheel regulating device, comprises the wheel hub be assemblied on wind set main shaft, for connecting pitch variable bearings and the blade itself of blade; Described wheel hub be provided with blade sections regulating device between the pitch variable bearings being connected blade, or, described being connected between pitch variable bearings on wheel hub and blade is provided with blade sections regulating device, described blade sections regulating device is provided with pneumatic wing type, this regulating device on wind wheel after assembled formation, the pneumatic wing type of regulating device same position at blade corresponding to the pneumatic wing type of blade.
When described regulating device is arranged between wheel hub and pitch variable bearings, the change oar of pitch variable bearings drives power source to be arranged in regulating device or wheel hub, and described change oar drives power source to perform member drives pitch variable bearings by becoming oar.
The flow-disturbing wing is provided with between the pneumatic wing type of described regulating device and the pneumatic wing type of fan blade; Or the pneumatic wing type on described regulating device is corresponding with the pneumatic wing type on fan blade, mate, the two is combined formation and seamlessly transits.
The flow-disturbing wing on described regulating device is the tail-like or shoulder first shape structure of curved surface.
Described regulating device is Flange joint with the linkage structure of fan part, tapered sleeve is connected and/or two layered cylinder adds end plate connection.
Described regulating device be formed in one structure or split welding composite structure.
There is between the axis of two end faces of described regulating device the angle of 0 ~ 2 °.
The invention has the beneficial effects as follows:
1. based in prior art, under the prerequisite increasing construction cost not significantly, to the reconstruction present situation of low wind speed and wind electric field, effectively achieve former vaned recycling, the aerofoil profile meeting air-flow character is set simultaneously on the regulating device increasing rotor diameter size, thus wind wheel wind-exposuring area is effectively increased, and can be optimized the aeroperformance at blade root position and effectively utilize, reduce the resistance coefficient of length adjustment section on wind wheel blade, and then improve wind wheel effectively, reliably catch wind performance, the advantage of major diameter wind wheel is fully represented;
2. the structural characteristics of regulating device excellently can eliminate the turbulent flow of wind wheel blade root, thus the resistance coefficient of wind wheel blade root extension position is effectively reduced further, be conducive to the generated output coefficient improving wind power generating set, more be conducive to the regulating device application that length is longer, and then formation just imitates circulation, practical; In addition, it can significantly reduce because of the vibration caused by turbulent flow, improves the generated energy of wind power generating set, and stable and reliable operation, Security is good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is a kind of structural representation of Fig. 1 middle regulator.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the structural representation of the embodiment of the present invention 2.
Fig. 5 is a kind of structural representation of Fig. 4 middle regulator.
Fig. 6 is the side view of Fig. 5.
Fig. 7 is the structural representation of the embodiment of the present invention 3.
Fig. 8 is the structural representation of the embodiment of the present invention 4.
Code name implication in figure: 1-wheel hub; 2-pitch variable bearings; 3-regulating device; 4-pneumatic wing type; 5-blade; 6-flow-disturbing wing.
Embodiment
embodiment 1
See Fig. 1, Fig. 2 and Fig. 3: wind wheel regulating device 3 of the present invention is hollow structure, with aerofoil profile, in blade sections shape.It (can certainly be according to requirements with nonmetallic material, metallic material) cast molding, its two ends have the flange of infolding respectively, two end flange are specifically depending on the wind wheel cone angle (i.e. the between perpendiculars angle of former wheel hub upper blade axis and blower fan main shaft axis) of the former wind power generating set that puts into operation, with coaxial (namely the axis angle of two end flange is for 0) or (the i.e. disalignment that tilts, the axis of two end flange is certain angle, usually this angle value within the scope of 0 ~ 2 ° and can not be 0 time, such as, 0.5 °, 1 °, 1.5 ° or 2 ° etc.) vibrational power flow, after finally guaranteeing that wind wheel size (i.e. wind sweeping area) increases, the blade tip of blade and the clearance of pylon are in safety range.Require the blade root flange of the corresponding wind generator set blade 5 of the flange of the corresponding wind generating set pitch control bearing 2 of the end flange size of regulating device 3, the other end flange size, regulating device 3 is by the infolding flange at two ends, the blade root being connected respectively pitch variable bearings 2 and blade 5 with some bolts, pitch variable bearings 2 is connected respectively on the wheel hub 1 of wind power generating set by some bolts, increases the wind sweeping area of wind wheel with this.In order to realize being optimized the aeroperformance of root of blade position and effectively utilizing, and then the wind energy power of catching of effective, reliable raising wind wheel, the aeroperformance of optimization wind wheel, aforementioned regulating device 3 is according to aerodynamic principle, circumferentially be provided with fairshaped pneumatic wing type 4, in order to effect is better, the streamline trend of aforementioned aerofoil profile 4 is moved towards corresponding with the pneumatic wing type streamline of wind generator set blade 5 as far as possible, is mated.Regulating device 3 on the wind wheel of wind power generating set after assembled formation, pneumatic wing type 4 same position at blade corresponding to the pneumatic wing type of blade 5 of regulating device 3, and the pneumatic wing type of the two seamlessly transits linking, forms " overall large-scale blades " with this.
The counter structure (i.e. coaxial or inclination) of above-mentioned regulating device 3 liang of end flange is specifically shaping, for concrete wind power generating set, through converting, former angle of inclination of putting into operation between fan blade of wind generating set axis and the vertical line of main-shaft axis is determined, namely this angle of inclination is unlikely to make the blade tip clearance of growth blade to be less than safety range, then the flange at above-mentioned regulating device and its two ends can be considered to arrange with coaxial manner; If this angle of inclination can make the blade tip clearance of growth blade be less than safety range, then now two end flange of regulating device should be arranged in an inclined manner, to guarantee that the blade tip clearance of blade is in safety range.
In like manner, above-mentioned regulating device can adopt tapered sleeve to be connected with the linkage structure of each parts of wind power generating set (i.e. pitch variable bearings 2 and blade 5) and/or two layered cylinder adds end plate connection and replaces.
The present invention comprises the horizontal axis wind-driven generator group of above-mentioned wind turbines rotor regulating device 3, primarily of formations such as tower cylinder, cabin, main shaft, generator, speed changer, wheel hub 1 and pitch variable bearings 2.Wherein, wheel hub 1 is assemblied on the main shaft of wind power generating set; The outer ring of pitch variable bearings 2 is connected by some bolts with wheel hub 1, the inner ring of pitch variable bearings 2 connects above-mentioned blade sections regulating device 3 by some bolts, and namely one end of regulating device 3 connects pitch variable bearings 2, the other end by flange with the blade root flange of some bolt correspondence connection blades 5 by flange with some bolt correspondences.Aforementioned regulating device 3 be circumferentially provided with the streamlined pneumatic wing type 4 meeting air-flow character, the streamline trend of this pneumatic wing type 4 is moved towards corresponding with the pneumatic wing type streamline of wind generator set blade 5 as far as possible, is mated, regulating device 3 is on wind-driven generator group wind-wheel after assembled formation, pneumatic wing type 4 same position at blade corresponding to the pneumatic wing type of blade 5 of regulating device 3, the pneumatic wing type of the two is formed and seamlessly transits linking.
The change oar action of above-mentioned wind generating set pitch control bearing 2 is that the power source controlled by control system drives, becoming oar drives power source (as pitch motor, hydraulic jack etc.) to be arranged in wheel hub 1, the change oar that its output terminal connects performs component (being generally the combination of axostylus axostyle and small gear) and engages with the inner ring of pitch variable bearings 2, realizes becoming oar action to drive pitch variable bearings 2.
embodiment 2
See Fig. 4, Fig. 5 and Fig. 6: wind wheel regulating device 3 of the present invention is hollow structure, with aerofoil profile, in blade sections shape.It casts one-body molded with nonmetallic material (can certainly according to requirements, be metallic material), can certainly weld compound mode shaping with split.The two ends of regulating device 3 have the flange of infolding respectively, two end flange are specifically depending on the wind wheel cone angle (i.e. the between perpendiculars angle of former wheel hub upper blade axis and blower fan main shaft axis) of the former wind power generating set that puts into operation, with coaxial (namely the axis angle of two end flange is for 0) or (the i.e. disalignment that tilts, the axis of two end flange is certain angle, usually this angle value within the scope of 0 ~ 2 ° and can not be 0 time, such as, 0.5 °, 1 °, 1.5 ° or 2 ° etc.) vibrational power flow, after finally guaranteeing that wind wheel size (i.e. wind sweeping area) increases, the blade tip of blade and the clearance of pylon are in safety range.Require the blade root flange of the corresponding wind generator set blade 5 of the flange of the corresponding wind generating set pitch control bearing 2 of the end flange size of regulating device 3, the other end flange size, regulating device 3 is by the infolding flange at two ends, the blade root being connected respectively pitch variable bearings 2 and blade 5 with some bolts, pitch variable bearings 2 is connected respectively on the wheel hub 1 of wind power generating set by some bolts, increases the wind sweeping area of wind wheel with this.
In order to realize being optimized the aeroperformance of root of blade position and effectively utilizing, and then the wind energy power of catching of effective, reliable raising wind wheel, the aeroperformance of optimization wind wheel, above-mentioned regulating device 3 is according to aerodynamic principle, circumferentially be provided with fairshaped pneumatic wing type 4, the streamline trend of this pneumatic wing type 4 is moved towards corresponding with the pneumatic wing type streamline of wind generator set blade 5 as far as possible, is mated.In order to avoid turbulization phenomenon between above structure and prophyll sheet 5, at the pneumatic wing type 4 of regulating device 3, the end of blade 5 is provided with the flow-disturbing wing 6(tail-like in curved surface i.e. this flow-disturbing wing 6 to be between regulating device 3 and blade 5), the arc of this flow-disturbing wing 6 is wide, thickness size successively reduces to top by root, and then form that root is large, structure that top is little, upset with this, destroy wind wheel and to be in operation the turbulent flow that blade root place produces.
The counter structure (i.e. coaxial or inclination) of above-mentioned regulating device 3 liang of end flange is specifically shaping, for concrete wind power generating set, through converting, former angle of inclination of putting into operation between fan blade of wind generating set axis and the vertical line of main-shaft axis is determined, namely this angle of inclination is unlikely to make the blade tip clearance of growth blade to be less than safety range, then the flange at above-mentioned regulating device and its two ends can be considered to arrange with coaxial manner; If this angle of inclination can make the blade tip clearance of growth blade be less than safety range, then now two end flange of regulating device should be arranged in an inclined manner, to guarantee that the blade tip clearance of blade is in safety range.
In like manner, above-mentioned regulating device can adopt tapered sleeve to be connected with the linkage structure of each parts of wind power generating set and/or two layered cylinder adds end plate connection and replaces.
The present invention comprises the horizontal axis wind-driven generator group of above-mentioned wind turbines rotor regulating device 3, primarily of formations such as tower cylinder, cabin, main shaft, generator, speed changer, wheel hub 1 and pitch variable bearings 2.Wherein, wheel hub 1 is assemblied on the main shaft of wind power generating set; The outer ring of pitch variable bearings 2 is connected by some bolts with wheel hub 1, the inner ring of pitch variable bearings 2 connects above-mentioned blade sections regulating device 3 by some bolts, and namely one end of regulating device 3 connects pitch variable bearings 2, the other end by flange with the blade root flange of some bolt correspondence connection blades 5 by flange with some bolt correspondences.Aforementioned regulating device 3 be circumferentially provided with the streamlined pneumatic wing type 4 meeting air-flow character, the streamline of this pneumatic wing type 4 trend is moved towards corresponding with the pneumatic wing type streamline of wind generator set blade 5 as far as possible, is mated.And in order to avoid turbulization phenomenon between the regulating device 3 that fits together and blade 5, at the pneumatic wing type 4 of regulating device 3, the end of blade 5 is provided with the flow-disturbing wing 6(tail-like in curved surface i.e. this flow-disturbing wing 6 to be between regulating device 3 and blade 5), the arc of this flow-disturbing wing 6 is wide, thickness size successively reduces to top by root, and then form that root is large, structure that top is little, upset with this, destroy wind wheel and to be in operation the turbulent flow that blade root place produces.
The change oar action of above-mentioned wind generating set pitch control bearing 2 is that the power source controlled by control system drives, becoming oar drives power source (as pitch motor, hydraulic jack etc.) to be arranged in wheel hub 1, the change oar that its output terminal connects performs component (being generally the combination of axostylus axostyle and small gear) and engages with the inner ring of pitch variable bearings 2, realizes becoming oar action to drive pitch variable bearings 2.
embodiment 3
See Fig. 7, other structure of the present embodiment is identical with embodiment 2, difference is: made an adjustment by the position relativeatoeterahub 1 of pitch variable bearings 2 and regulating device 3, namely be connected directly between on wheel hub 1 by regulating device 3 by some bolts, the outer ring of pitch variable bearings 2 is connected on regulating device 3 by some bolts, and blade 5 is connected to the inner ring of pitch variable bearings 2 by some bolts.This linkage structure makes regulating device 3 defines that one end correspondence, the flange of driven generator matching wind group wheel hub 1, the other end are corresponding, the flange of driven generator matching wind group pitch variable bearings 2.This assembly structure, while having embodiment 2 advantage concurrently, effectively reduces pitch variable bearings 2 bearing loads, is conducive to reducing the requirement of strength to pitch variable bearings 2, improves the operating conditions of pitch variable bearings 2, makes the operation of pitch variable bearings 2 more reliable.
Because the pitch variable bearings 2 of the present embodiment makes to become oar control comparatively to bother away from wheel hub 1, in the case, the change oar action of pitch variable bearings 2 is that the power source controlled by control system drives, becoming oar drives power source (as pitch motor, hydraulic jack etc.) be arranged in (also can be in the regulating device of wheel hub 1) in wheel hub 1, the change oar that its output terminal connects performs component (being generally the combination of axostylus axostyle and small gear) and engages with the inner ring of pitch variable bearings 2, realize to drive pitch variable bearings 2 becoming oar action, the supporting structure to becoming oar execution component is provided with in regulating device 3.
embodiment 4
See Fig. 8, other structure of the present embodiment is identical with embodiment 2, difference is: be connected to the flow-disturbing wing 6 of pneumatic wing type 4 end of regulating device 3 in shoulder first shape structure (being namely similar to the tiles of arc), the wide size of arc of this flow-disturbing wing 6 is successively reduced to top by root, and then form the shoulder first shape structure that root is large, top is little, between the pneumatic wing type of the flow-disturbing wing 6 and blade 5, there is gap, ensure not destroy blade surface with this, the shoulder first shape flow-disturbing wing 6 be designed for upsets, destruction wind wheel is in operation the turbulent flow that blade root place produces.
The various embodiments described above only in order to the present invention to be described, are not intended to limit.Although with reference to the various embodiments described above to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the various embodiments described above, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of technical solution of the present invention.
Claims (8)
1. a blower fan wind wheel regulating device, described regulating device is blade sections structure, its one end is connected with axial fan hub, the other end is connected with blower variable-pitch bearing, or, its one end is connected with blower variable-pitch bearing, the blade root fastenings of the other end and fan blade, it is characterized in that: described blade sections regulating device is provided with pneumatic wing type.
2. blower fan wind wheel regulating device according to claim 1, is characterized in that: be provided with the flow-disturbing wing between the pneumatic wing type of described regulating device and the pneumatic wing type of fan blade; Or the pneumatic wing type on described regulating device is corresponding with the pneumatic wing type on fan blade, mate, the two is combined formation and seamlessly transits.
3. blower fan wind wheel regulating device according to claim 2, is characterized in that: the flow-disturbing wing on described regulating device is the tail-like or shoulder first shape structure of curved surface.
4. blower fan wind wheel regulating device according to claim 1, is characterized in that: described regulating device is Flange joint with the linkage structure of fan part, tapered sleeve is connected and/or two layered cylinder adds end plate connection.
5. blower fan wind wheel regulating device according to claim 1,2,3 or 4, is characterized in that: described regulating device be formed in one structure or split welding composite structure.
6. blower fan wind wheel regulating device according to claim 5, is characterized in that: the angle between the axis of two end faces of described regulating device with 0 ~ 2 °.
7. comprising a blower fan group for blower fan wind wheel regulating device described in claim 1, comprising the wheel hub be assemblied on wind set main shaft, for connecting pitch variable bearings and the blade itself of blade; Described wheel hub be provided with blade sections regulating device between the pitch variable bearings being connected blade, or, described being connected between pitch variable bearings on wheel hub and blade is provided with blade sections regulating device, it is characterized in that: described blade sections regulating device is provided with pneumatic wing type, this regulating device on wind wheel after assembled formation, the pneumatic wing type of regulating device same position at blade corresponding to the pneumatic wing type of blade.
8. comprise the blower fan group of blower fan wind wheel regulating device according to claim 7, it is characterized in that: when described regulating device is arranged between wheel hub and pitch variable bearings, the change oar of pitch variable bearings drives power source to be arranged in regulating device or wheel hub, and described change oar drives power source to perform member drives pitch variable bearings by becoming oar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711136.3A CN104595110A (en) | 2014-12-01 | 2014-12-01 | Draught fan wind wheel adjusting device and draught fan set comprising draught fan wind wheel adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711136.3A CN104595110A (en) | 2014-12-01 | 2014-12-01 | Draught fan wind wheel adjusting device and draught fan set comprising draught fan wind wheel adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104595110A true CN104595110A (en) | 2015-05-06 |
Family
ID=53121094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410711136.3A Pending CN104595110A (en) | 2014-12-01 | 2014-12-01 | Draught fan wind wheel adjusting device and draught fan set comprising draught fan wind wheel adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104595110A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704092A (en) * | 2017-01-25 | 2017-05-24 | 北京博比风电科技有限公司 | Synergistic spoiler blade |
| CN109271657A (en) * | 2018-07-25 | 2019-01-25 | 许继集团有限公司 | A kind of wind power generating set catches wind coefficient, over the evaluation method of hair hourage |
| CN110230571A (en) * | 2019-07-02 | 2019-09-13 | 中国大唐集团新能源科学技术研究院有限公司 | Blade independent pitch device |
| US10968885B2 (en) | 2016-01-26 | 2021-04-06 | Wobben Properties Gmbh | Rotor blade of a wind turbine and a wind turbine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358577A (en) * | 2007-08-03 | 2009-02-04 | 张望高 | Speed regulating device for small-sized wind power generator |
| US20090148291A1 (en) * | 2007-12-06 | 2009-06-11 | General Electric Company | Multi-section wind turbine rotor blades and wind turbines incorporating same |
| CN101711308A (en) * | 2006-04-13 | 2010-05-19 | 再生动力系统股份公司 | Rotor blade of a wind energy unit |
| US20110135477A1 (en) * | 2009-12-30 | 2011-06-09 | Omer Mohammed | Method and Apparatus for Increasing Lift on Wind Turbine Blade |
| CN201953566U (en) * | 2011-01-31 | 2011-08-31 | 华锐风电科技(江苏)有限公司 | Blade adjusting device of wind driven generator and wind driven generator comprising same |
-
2014
- 2014-12-01 CN CN201410711136.3A patent/CN104595110A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101711308A (en) * | 2006-04-13 | 2010-05-19 | 再生动力系统股份公司 | Rotor blade of a wind energy unit |
| CN101358577A (en) * | 2007-08-03 | 2009-02-04 | 张望高 | Speed regulating device for small-sized wind power generator |
| US20090148291A1 (en) * | 2007-12-06 | 2009-06-11 | General Electric Company | Multi-section wind turbine rotor blades and wind turbines incorporating same |
| US20110135477A1 (en) * | 2009-12-30 | 2011-06-09 | Omer Mohammed | Method and Apparatus for Increasing Lift on Wind Turbine Blade |
| CN201953566U (en) * | 2011-01-31 | 2011-08-31 | 华锐风电科技(江苏)有限公司 | Blade adjusting device of wind driven generator and wind driven generator comprising same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10968885B2 (en) | 2016-01-26 | 2021-04-06 | Wobben Properties Gmbh | Rotor blade of a wind turbine and a wind turbine |
| CN106704092A (en) * | 2017-01-25 | 2017-05-24 | 北京博比风电科技有限公司 | Synergistic spoiler blade |
| CN109271657A (en) * | 2018-07-25 | 2019-01-25 | 许继集团有限公司 | A kind of wind power generating set catches wind coefficient, over the evaluation method of hair hourage |
| CN109271657B (en) * | 2018-07-25 | 2022-12-13 | 许继集团有限公司 | Wind capture coefficient and annual hour number estimation method of wind generating set |
| CN110230571A (en) * | 2019-07-02 | 2019-09-13 | 中国大唐集团新能源科学技术研究院有限公司 | Blade independent pitch device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101749188B (en) | Root sleeve for wind turbine blade | |
| CN104295440B (en) | Single-frame type impeller of wind turbine | |
| US8317469B2 (en) | Wind turbine shroud | |
| CN103277246B (en) | Vertical-axis wind turbine with double wind wheels capable of rotating coaxially and oppositely | |
| CN104595110A (en) | Draught fan wind wheel adjusting device and draught fan set comprising draught fan wind wheel adjusting device | |
| WO2018120073A1 (en) | Vertical shaft wind power generator driving device for self-adaptive variable-propeller, and wind power generator | |
| CN104847579B (en) | Adjustable vane angle of attack two-layer equation wind wheel vertical axis aerogenerator | |
| CN102720632A (en) | Large wind generating set blade and application thereof | |
| CN100478563C (en) | Wind power generator with vertical shaft C-type blade | |
| CN102979668A (en) | Window opening type wind wheel of wind driven generator | |
| WO2002014688A1 (en) | Windmill | |
| CN205225591U (en) | Aerogenerator becomes reinforcing structure of oar bearing | |
| CN204113538U (en) | A kind of wind-driven generator single frame posture impeller | |
| CN202756176U (en) | Vertical-axis wind turbine with speed-adjustable wind turbine blades | |
| CN205013193U (en) | Large -scale wind -powered electricity generation blade device with stay cord structure | |
| CN201539361U (en) | Wind power generation windmill | |
| CN206144708U (en) | Resistance type gentle breeze is from becoming oar aerogenerator | |
| CN107859593A (en) | Coupled mode vertical axis aerogenerator and its electricity-generating method | |
| CN104343626A (en) | Self-protection wind-driven water lifting system with accelerating vanes | |
| CN109356787B (en) | Low-wind-speed self-starting vertical shaft lift-drag composite wind wheel structure of wind driven generator | |
| CN203978718U (en) | Wind turbines rotor regulating device and the wind power generating set that comprises this device | |
| CN102192097A (en) | Wind-pressure type blade-changing device of wind turbine | |
| CN206397660U (en) | The horizontal-shaft wind turbine of blade length and variable-angle | |
| CN104819096A (en) | Large wind power blade device with stay cord structure | |
| CN107725277A (en) | A kind of wind power generation plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160420 Address after: 618000 Sichuan Province, Deyang city Huashan road two No. 2 Applicant after: DONGFANG ELECTRIC WIND POWER CO., LTD. Address before: 618000 Jiangxi hi tech Industrial Park, Sichuan, Jinsha Road, No. 666, No. Applicant before: Dongfang Turbine Co., Ltd., Dongfang Electric Group |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150506 |
|
| RJ01 | Rejection of invention patent application after publication |