CN105626372A - Wind generating set - Google Patents
Wind generating set Download PDFInfo
- Publication number
- CN105626372A CN105626372A CN201610073149.1A CN201610073149A CN105626372A CN 105626372 A CN105626372 A CN 105626372A CN 201610073149 A CN201610073149 A CN 201610073149A CN 105626372 A CN105626372 A CN 105626372A
- Authority
- CN
- China
- Prior art keywords
- blade
- generating set
- blade body
- power generating
- wind power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004698 Polyethylene Substances 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 21
- -1 polyethylene Polymers 0.000 claims abstract description 21
- 229920000573 polyethylene Polymers 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 210000000981 epithelium Anatomy 0.000 claims description 12
- 238000003032 molecular docking Methods 0.000 claims description 12
- 230000037396 body weight Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 4
- 229920006248 expandable polystyrene Polymers 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 206010019133 Hangover Diseases 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002775 capsule Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 208000002197 Ehlers-Danlos syndrome Diseases 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035939 shock Effects 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
- 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
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind generating set which comprises blades driven to rotate by wind and a power generator driven by rotation of the blades to generate power. Each blade comprises a blade body. Each blade body comprises a blade body front edge, a blade body main beam and a blade body wing type region. Each blade body front edge is of a hollow structure limited by an inner shell and an outer shell, sealed silica gel bag bodies extend from the outer surface of each inner shell to the inner surface of the corresponding outer shell, and each silica gel bag body contains liquid with the volume not larger than one half of the size of the bag body. Each blade body wing type region comprises an upper elastic skin located on a pressure surface and a lower elastic skin located on a suction surface. Each upper elastic skin and each lower elastic skin both comprise a sheet located at the inner layer, a base body located at the middle layer and ultrahigh-strength polyethylene fiber fabric located at the outer layer, and the hollow structure of each blade body wing type region is limited by the corresponding sheets. According to the wind generating set, the weight of the blades can be lowered, resonance generated in the rotating process is avoided, and meanwhile the condition that the power generator vibrates under the resonance condition is avoided.
Description
Technical field
The present invention relates to the equipment for producing and store wind-force, the blade more particularly, to a kind of wind power generating set improves structure.
Background technology
Wind-driven generator is the device converting wind energy into electric energy, and mainly by blade, electromotor, mechanical part and electric component form. But, the deficiencies such as the weight that current middle-size and small-size multikilowatt wind-driven generator fiberglass blade still exists lays particular stress on, low strength, shock resistance difference. Especially when wind-driven generator runs, due to the effect of wind load and blade this as elastic construction, can there is vibration in blade of wind-driven generator. Vibration is the main cause causing fatigue of materials, then can affect the safety of wind-driven generator when Oscillation Amplitude is excessive.
Summary of the invention
It is an object of the invention to solve at least the above, and the advantage that at least will be described later is provided.
It is a still further object of the present invention to provide a kind of wind power generating set, it can reduce leaf weight, it is to avoid resonates in rotation process, avoids electromotor that the situation of vibration occurs when there is resonance simultaneously.
In order to realize these purposes according to the present invention and further advantage, provide a kind of wind power generating set, its blade that there is wind-engaging and rotate, the electromotor being driven by the rotation of described blade and generating electricity, described blade includes blade body, and described blade body includes:
Blade inlet edge; It is limited hollow structure by inner shell and shell, and described inner shell appearance extends the silica gel utricule of sealing towards described inner surface of outer cover, is equipped with the liquid less than utricule half volume in described silicon capsule body;
Blade girder, it is used for support blade leading edge, and the two ends of described blade girder abut the inner surface of described inner shell respectively;
And vane airfoil profile region, it extends back hollow structure from described blade inlet edge along aeolian currents outgoing direction; Described vane airfoil profile region includes the elastic epithelium being positioned on pressure face and the elastic hypodermis being positioned on suction surface; Described elastic epithelium and elastic hypodermis hangover place in vane airfoil profile region cross, and wherein, described elastic epithelium and elastic hypodermis include: being positioned at the thin plate of internal layer, it limits the hollow structure in vane airfoil profile region; The matrix of centrally located layer and be positioned at the ultra high strength polyethylene fiber fabric of outer layer.
Preferably, described ultra high strength polyethylene fiber fabric is interwoven by warp and parallel, its middle longitude is diameter be 6mm ultra high strength polyethylene fiber composition, parallel is diameter be 12mm ultra high strength polyethylene fiber composition.
Preferably, the described warp of described ultra high strength polyethylene fiber fabric accounts for the 30%-35% of ultra high strength polyethylene fiber fabric body weight; Described parallel accounts for the 65%-70% of body weight; Wherein said warp and described parallel all wrap up last layer expandable polystyrene before braiding.
Preferably, described blade girder is made up of PP cellular board.
Preferably, described blade also includes the root of blade being arranged on described blade body one end, and the cross section of described root of blade has circle, described root of blade to be provided with docking section, and described docking section is for docking with the electromotor cabin installing blade.
Preferably, described docking section is provided with Liu Ding.
Preferably, described wind power generating set also includes the generator fixing device being arranged in described electromotor cabin, described generator fixing device includes a support, it front and back support including supporting described electromotor two ends, described front and back support is respectively provided with bolster, is used for avoiding described electromotor to vibrate.
Preferably, described bolster includes the support member abutting described electromotor, is socketed in the sleeve on described support member, is additionally provided with spring in described sleeve, and described support member moves reciprocatingly under the action of the spring.
The present invention at least includes following beneficial effect: be filled with the silica gel utricule of liquid owing to being provided with inside in edge in front of the blade, thus when wind-force is bigger in blade rotation process, the vibration that it occurs under wind-force effect can be cushioned by the liquid in silica gel utricule, it is to avoid the vibration in vane airfoil profile region. Meanwhile, vane airfoil profile region adopts elastic hypodermis and elastic epithelium make, is possible not only to be substantially reduced leaf weight, described elastic hypodermis and elastic epithelium all have ultra high strength polyethylene fiber fabric to make simultaneously, it is lightweight, toughness can avoid by force relatively strong wind time, the vibration of blade. On electromotor, it is also provided with bolster, even thus when there is vibration, it is also possible to ensure the normal operation of electromotor simultaneously. Extend the service life of wind power generating set.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part is also by by being understood by those skilled in the art the research of the present invention and practice.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of blade body described in wind power generating set of the present invention;
Fig. 2 is the structural representation of blade described in wind power generating set of the present invention;
Fig. 3 is the structural representation of wind power generating set of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", existence or the interpolation of other elements one or more or its combination do not allotted in " comprising " and " including " term.
As shown in Figure 1, 2, the present invention provides a kind of wind power generating set, and it can reduce leaf weight, it is to avoid resonates in rotation process, avoids electromotor that the situation of vibration occurs when there is resonance simultaneously.
In order to realize these purposes according to the present invention and further advantage, provide a kind of wind power generating set, blade 1 that it has wind-engaging and rotates, the electromotor 2 being driven by the rotation of described blade 1 and generating electricity, described blade 1 includes blade body 100, and described blade body 100 includes:
Blade inlet edge 101; It is for be limited hollow structure by inner shell 1011 and shell 1012, and described inner shell appearance extends the silica gel utricule 1013 of sealing towards described inner surface of outer cover, is equipped with the liquid less than utricule half volume in described silica gel utricule 1013;
Blade girder 102, it is used for support blade leading edge 101, and the two ends of described blade girder 102 abut the inner surface of described inner shell 1011 respectively;
And vane airfoil profile region 103, it extends back hollow structure from described blade inlet edge 101 along aeolian currents outgoing direction; Described vane airfoil profile region 103 includes the elastic epithelium 1031 being positioned on pressure face and the elastic hypodermis 1032 being positioned on suction surface; Described elastic epithelium 1031 and the elastic hypodermis 1032 hangover place in vane airfoil profile region cross, and wherein, described elastic epithelium 1031 and elastic hypodermis 1032 include: being positioned at the thin plate 1033 of internal layer, it limits the hollow structure in vane airfoil profile region; The matrix 1034 of centrally located layer and be positioned at the ultra high strength polyethylene fiber fabric 1035 of outer layer. Described elastic epithelium 1031 and elastic hypodermis 1032 can cushion certain impact power, it is to avoid cause resonance when wind-force is bigger. The matrix 1034 in described intermediate layer is such as one or several in foaming epoxy resin, foaming PVC or polyurathamc, both can keep certain shape, and can alleviate again the weight of described blade. The thin plate 1033 of described internal layer for keeping the shape of described blade because of wind-force size, moderate finite deformation will not occur so that damaged.
Wherein in an embodiment, described ultra high strength polyethylene fiber fabric is interwoven by warp and parallel, its middle longitude is diameter be 6mm ultra high strength polyethylene fiber composition, parallel is diameter be 12mm ultra high strength polyethylene fiber composition.
Wherein in an embodiment, the described warp of described ultra high strength polyethylene fiber fabric accounts for the 30%-35% of ultra high strength polyethylene fiber fabric body weight; Described parallel accounts for the 65%-70% of body weight; Wherein said warp and described parallel all wrap up last layer expandable polystyrene before braiding. Described expandable polystyrene can in heating process by hot melt, it is possible to protect described ultra high strength polyethylene fiber fabric in manufacturing process; Reduce manufacture difficulty.
Preferably, described blade girder is made up of PP cellular board. Act primarily as supporting role, select PP cellular board can alleviate described leaf weight.
Wherein in an embodiment, as shown in Figure 1, described blade 1 also includes the root of blade 11 being arranged on described blade body 100 one end, the cross section of described root of blade 11 has circle, described root of blade 11 is provided with docking section 110, and described docking section 110 is for docking with the electromotor cabin installing blade.
Wherein in an embodiment, as it is shown in figure 1, described docking section 110 is provided with Liu Ding. For described blade being fixedly attached to the cabin of described electromotor, it is to avoid when wind-force is bigger, vibrate.
Wherein in an embodiment, as shown in Figure 3, described wind power generating set also includes the generator fixing device 200 being arranged in described electromotor cabin, described generator fixing device 200 includes a support 201, it front and back support including supporting described electromotor two ends, described front and back support is respectively provided with bolster 202, is used for avoiding described electromotor to vibrate.
Wherein in an embodiment, as shown in Figure 3, described bolster 202 includes the support member 203 abutting described electromotor, it is socketed in the sleeve 204 on described support member 203, being additionally provided with spring (not shown) in described sleeve 204, described support member 203 moves reciprocatingly under the action of the spring.
Number of devices described herein and treatment scale are used to the explanation of the simplification present invention. The application of blade body of the present invention, modifications and variations be will be readily apparent to persons skilled in the art.
Although embodiment of the present invention are disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.
Claims (8)
1. a wind power generating set, its blade that there is wind-engaging and rotate, the electromotor being driven by the rotation of described blade and generating electricity, it is characterised in that described blade includes blade body, and described blade body includes:
Blade inlet edge; It is limited hollow structure by inner shell and shell, and described inner shell appearance extends the silica gel utricule of sealing towards described inner surface of outer cover, is equipped with the liquid less than utricule half volume in described silicon capsule body;
Blade girder, it is used for support blade leading edge, and the two ends of described blade girder abut the inner surface of described inner shell respectively;
And vane airfoil profile region, it extends back hollow structure from described blade inlet edge along aeolian currents outgoing direction; Described vane airfoil profile region includes the elastic epithelium being positioned on pressure face and the elastic hypodermis being positioned on suction surface; Described elastic epithelium and elastic hypodermis hangover place in vane airfoil profile region cross, and wherein, described elastic epithelium and elastic hypodermis include: being positioned at the thin plate of internal layer, it limits the hollow structure in vane airfoil profile region; The matrix of centrally located layer and be positioned at the ultra high strength polyethylene fiber fabric of outer layer.
2. wind power generating set as claimed in claim 1, it is characterized in that, described ultra high strength polyethylene fiber fabric is interwoven by warp and parallel, its middle longitude is diameter be 6mm ultra high strength polyethylene fiber composition, parallel is diameter be 12mm ultra high strength polyethylene fiber composition.
3. wind power generating set as claimed in claim 2, it is characterised in that the described warp of described ultra high strength polyethylene fiber fabric accounts for the 30%-35% of ultra high strength polyethylene fiber fabric body weight; Described parallel accounts for the 65%-70% of body weight; Wherein said warp and described parallel all wrap up last layer expandable polystyrene before braiding.
4. wind power generating set as claimed in claim 3, it is characterised in that described blade girder is made up of PP cellular board.
5. wind power generating set as claimed in claim 4, it is characterized in that, described blade also includes the root of blade being arranged on described blade body one end, the cross section of described root of blade has circle, described root of blade is provided with docking section, and described docking section is for docking with the electromotor cabin installing blade.
6. wind power generating set as claimed in claim 5, it is characterised in that be provided with Liu Ding on described docking section.
7. wind power generating set as claimed in claim 6, it is characterized in that, also include the generator fixing device being arranged in described electromotor cabin, described generator fixing device includes a support, it front and back support including supporting described electromotor two ends, described front and back support is respectively provided with bolster, is used for avoiding described electromotor to vibrate.
8. wind power generating set as claimed in claim 7, it is characterized in that, described bolster includes the support member abutting described electromotor, is socketed in the sleeve on described support member, being additionally provided with spring in described sleeve, described support member moves reciprocatingly under the action of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073149.1A CN105626372B (en) | 2016-02-02 | 2016-02-02 | A kind of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073149.1A CN105626372B (en) | 2016-02-02 | 2016-02-02 | A kind of wind power generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626372A true CN105626372A (en) | 2016-06-01 |
| CN105626372B CN105626372B (en) | 2017-12-15 |
Family
ID=56041618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610073149.1A Active CN105626372B (en) | 2016-02-02 | 2016-02-02 | A kind of wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626372B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268208A (en) * | 2018-11-26 | 2019-01-25 | 中国华能集团清洁能源技术研究院有限公司 | A kind of blade damping device of wind-driven generator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999032789A1 (en) * | 1997-12-09 | 1999-07-01 | Lm Glasfiber A/S | Windmill blade with vibration damper |
| CN1120296C (en) * | 1998-07-28 | 2003-09-03 | 尼格麦康有限公司 | Wind turbine blade with U-shaped oscillation damping means |
| CN1513084A (en) * | 2001-04-11 | 2004-07-14 | LM������ά��Ʒ����˾ | Wind turbine rotor with built-in vibration damper |
| JP2006274990A (en) * | 2005-03-30 | 2006-10-12 | Zephyr Corp | Windmill blade |
| CN101725464A (en) * | 2008-10-17 | 2010-06-09 | 中国科学院宁波材料技术与工程研究所 | Method for making vane of wind-driven generator by adopting ultra-high strength polyethylene fiber composites |
| CN102562435A (en) * | 2010-12-10 | 2012-07-11 | 通用电气公司 | Spar assembly for a wind turbine rotor blade |
| EP2623773A2 (en) * | 2012-01-31 | 2013-08-07 | Mitsubishi Heavy Industries, Ltd. | Wind turbine blade and wind turbine generator having the same |
| EP2865890A1 (en) * | 2013-10-24 | 2015-04-29 | Alstom Renovables España, S.L. | Wind turbine blade |
-
2016
- 2016-02-02 CN CN201610073149.1A patent/CN105626372B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999032789A1 (en) * | 1997-12-09 | 1999-07-01 | Lm Glasfiber A/S | Windmill blade with vibration damper |
| CN1120296C (en) * | 1998-07-28 | 2003-09-03 | 尼格麦康有限公司 | Wind turbine blade with U-shaped oscillation damping means |
| CN1513084A (en) * | 2001-04-11 | 2004-07-14 | LM������ά��Ʒ����˾ | Wind turbine rotor with built-in vibration damper |
| JP2006274990A (en) * | 2005-03-30 | 2006-10-12 | Zephyr Corp | Windmill blade |
| CN101725464A (en) * | 2008-10-17 | 2010-06-09 | 中国科学院宁波材料技术与工程研究所 | Method for making vane of wind-driven generator by adopting ultra-high strength polyethylene fiber composites |
| CN102562435A (en) * | 2010-12-10 | 2012-07-11 | 通用电气公司 | Spar assembly for a wind turbine rotor blade |
| EP2623773A2 (en) * | 2012-01-31 | 2013-08-07 | Mitsubishi Heavy Industries, Ltd. | Wind turbine blade and wind turbine generator having the same |
| EP2865890A1 (en) * | 2013-10-24 | 2015-04-29 | Alstom Renovables España, S.L. | Wind turbine blade |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268208A (en) * | 2018-11-26 | 2019-01-25 | 中国华能集团清洁能源技术研究院有限公司 | A kind of blade damping device of wind-driven generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105626372B (en) | 2017-12-15 |
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Effective date of registration: 20190325 Address after: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: Anhui Eagle Dragon Industrial Design Co., Ltd. Address before: 362300 Meilin Yuye Industrial Zone, Nanan City, Quanzhou City, Fujian Province Patentee before: NAN'AN PUDUN CONSULTING SERVICE CO., LTD. |
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Effective date of registration: 20190924 Address after: 314000 Room 533 of 11 Standard Workshops in A-02 Block, Second Phase Industrial Zone, Tongxiang Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: Zhejiang long pine Intelligent Power Equipment Co., Ltd. Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Patentee before: Anhui Eagle Dragon Industrial Design Co., Ltd. |
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