CN103883466B - There is the horizontal axis wind-driven generator of gate fan shape blade and scalable wind wheel - Google Patents
There is the horizontal axis wind-driven generator of gate fan shape blade and scalable wind wheel Download PDFInfo
- Publication number
- CN103883466B CN103883466B CN201410061485.5A CN201410061485A CN103883466B CN 103883466 B CN103883466 B CN 103883466B CN 201410061485 A CN201410061485 A CN 201410061485A CN 103883466 B CN103883466 B CN 103883466B
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- Prior art keywords
- blade
- front baffle
- blower fan
- wind
- afterframe
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- 238000005452 bending Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect 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
- F03D1/0658—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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to technical field of wind power generation, specifically a kind of horizontal axis wind-driven generator with gate fan shape blade and scalable wind wheel.Existing wind-driven generator mostly is horizontal axis Three-blade form, due to restrictions such as structure, blower fan height, exist wind wheel inleakage large, flutter that wind efficiency is low, blade frangibility, wind utilizes that scope is little, output power promotes the problems such as difficulty.Technical solution of the present invention comprises front baffle, afterframe, controlling device; The inside casing of front baffle and afterframe is assemblied in blower fan main shaft leading portion successively, and front baffle and blower fan main shaft are slidably matched, and afterframe and blower fan main shaft pass through Bolt to position; Gate fan shape blade is assemblied on afterframe by sharf, and blade tip is coordinated with the slideway of front baffle by slide block, the slide block adjusting vane Windward angle of controlling device band moving vane.Invention increases blower fan output power and flutter wind efficiency, reduce the cost of unit generated output and maintenance, maintenance cost, be applicable to large and medium-sized wind-driven generator.
Description
Technical field
The present invention relates to wind generating unit technical field, specifically a kind of horizontal axis wind-driven generator with gate fan shape blade and scalable wind wheel.
Background technique
Wind-driven generator utilizes wind energy drive vane drive electrical generators main shaft rotary electrification, has the feature such as clean, pollution-free and is widely used.Existing wind-driven generator mostly is the wind-driven generator of Three-blade horizontal axial type, for ensureing the rated output power of generator, the horizontal axis wind-driven generator height of current use is all higher, the blower fan overall height of relatively high power is up to 100 meters, rated power is all lower than 2MW, as increased blower fan rated output power further, need the length increasing blade also to improve the height of blower fan simultaneously, because being subject to the restriction of the strength of materials and own wt, there are the following problems to adopt the wind-driven generator large scale development of this structure:
(1) after the height of blower fan increases, the degree of rocking of shaft tower increases thereupon, and wind loading rating is deteriorated, the space not only taken is large, and causes available wind speed range to reduce, and causes a large amount of wastes of wind energy resources, generally when wind speed just must be shut down more than during 25m/s, the availability of blower fan reduces;
(2) height of blower fan is higher, and hoisting difficulty, lifting danger etc. are larger, and hoisting cost significantly increases; Regular maintenance difficulty, maintenance cost significantly increases;
(3) increase of wind-power electricity generation acc power causes blower fan overall height to increase, and wind-force Applicable scope narrows, the increase of equipment maintenance cost, then the cost obtaining per kilowatt electric energy significantly rises, and does not possess competitive ability;
(4) be subject to the restriction of current material technology, the length of fan blade is difficult to further increase; And current existing large fan blade easily fractures, the life-span is short, and renewal cost is higher;
(5), in prior art, three blade adjustments of horizontal shaft type wind-driven generator often can not be synchronous, causes by forced-stopping machine.
In sum, the aero-generator with horizontal axis technology maturation of prior art, its scale manufactures, with low cost, but be subject to the restriction of blade shape, intensity and blower fan tower barrel height, ubiquity blower fan output power is less than normal, blade easily fractures, blade flutters the shortcomings such as wind efficiency is low, wind wheel inleakage is huge, and wind speed 13m/s starts to abandon wind, 25m/s and all abandons wind; And wind power equipment investment is large, the cost recovery cycle is long, and annual utilization hours is on the low side.
Summary of the invention
The object of this invention is to provide a kind of horizontal axis wind-driven generator with gate fan shape blade and scalable wind wheel, overcome deficiency of the prior art, improve utilization ratio and the generating efficiency of wind energy, reduce the generation investment cost of per kilowatt.
Technological scheme of the present invention:
Comprise shaft tower, blower fan main shaft, generator; Be assemblied in head of mast in the middle part of blower fan main shaft, generator is assemblied in blower fan main shaft back segment; Blower fan main shaft front end is equipped with tapered air guide sleeve;
Also comprise front baffle, afterframe, blade, sharf, curved rod, controlling device;
Front baffle, afterframe, by inside casing and housing composition, are all connected by strut between the inside casing of forward and backward framework and housing; The inside casing of front baffle, afterframe is sleeved on the leading portion of blower fan main shaft successively, and front baffle inside casing, afterframe inside casing are connected by key with blower fan main shaft, and afterframe inside casing and blower fan main shaft are located by fixing bolt, and front baffle inside casing and blower fan main shaft are slidably matched;
Mutually corresponding deck is provided with inside the outside of afterframe inside casing and afterframe housing; Blade is door leaf shape, and blade side is longitudinally provided with axis hole, and blade is by peg-in-hole assembly on sharf, and the fixture block at sharf two ends is assemblied in deck;
Blade lateral cross section is curved, and the outer section of blade near afterframe housing one end (namely windward side) on front side of blower fan main shaft is bending; Blade is connected and installed with a slide block near the end side edges of afterframe housing by universal joint;
Front baffle housing is provided with slideway; The slide block of each blade tip is assemblied in the slideway of front baffle housing, is slidably matched with slideway; Connected by curved rod between each slide block;
Controlling device comprises several adjustment motors, stay cord or pull bars; Each adjustment motor is connected with the curved rod in front baffle slideway respectively respectively by stay cord, or regulates motor to connect front baffle by pull bar.
The adjustment motor of described controlling device respectively all angle be arranged on front baffle inside casing; The strut of front baffle is hollow lever; Curved rod in front baffle housing slideway is connected with array rope, and each group rope is corresponding with each adjustment motor respectively; Often organize rope to form by two stay cords, two stay cords pass the front baffle strut body of rod of hollow, and reverse-winding connects corresponding adjustment motor power output mechanism.
The adjustment motor of described controlling device respectively all angle be arranged on the blower fan main shaft of front baffle side, the power take-off mechanism of each adjustment motor connects pull bar respectively by turbine and worm device or hydraulic pressure installation, and each pull bar the other end is connected with front baffle.
Described front baffle housing edge is equipped with trumpet-shaped collection wind edge.
Be provided with screw thread in the axis hole of described blade, sharf and blade pass through screw-thread fit.
The present invention has the horizontal axis wind-driven generator of gate fan shape blade and scalable wind wheel, by multiple gate fan shape blade assernbling in wind wheel framework, improve the generating efficiency of blower fan, solve output power on prior art horizontal axis wind-driven generator and be difficult to the problems such as further increase, blade easily damage, the present invention has following beneficial effect:
1, pass through the quantity of change blade, shape and mounting type, significantly increase single-machine capacity, when not increasing wind-driven generator shaft tower height and length of blade, improve blower fan output power and flutterring wind efficiency, reducing the cost of unit generated output;
2, wind wheel of the present invention adopts frame structure, and blade two ends are equipped with the strong point, avoids current Three-blade horizontal axis fan blade and easily suffers that thunderbolt and strong wind fracture; Reduce maintenance and maintenance cost;
3, blower fan is made to adapt to the wider of wind speed by adjusting vane angle; This equipment not only at low wind speed area operation, and can meet the service condition (namely need not shut down under high wind speed) in high wind speed region, and cut-out wind speed reaches 25m/s and still adjusting vane small angle normally can be run at full capacity, improves wind energy utilization efficiency;
4, wind wheel frame front is provided with collection wind edge and air guide sleeve, improves wind energy power of flutterring and the acting ability of blower fan.
Below in conjunction with drawings and Examples, summary of the invention of the present invention is further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is front baffle structural representation of the present invention;
Fig. 3 is afterframe of the present invention and sharf assembling schematic diagram;
Fig. 4 is the assembling schematic diagram of blade of the present invention and sharf;
Fig. 5 is the left view of Fig. 4 of the present invention;
Fig. 6 is that the A-A of Fig. 4 of the present invention is to sectional view;
Fig. 7 is the deck sectional view of afterframe of the present invention;
Fig. 8 is the sectional view of front baffle slideway of the present invention.
Embodiment
In figure: 1, Ji Fengyan, 2, front baffle housing, 3, air guide sleeve, 4, blade, 5, afterframe housing, 6, blower fan main shaft, 7, generator, 8, shaft tower, 9, front baffle inside casing, 10, strut, 11, afterframe inside casing, 12, sharf, 13, fixture block, 14, universal joint, 15, slide block.
Embodiment 1
From Fig. 1 ~ Fig. 8, the present invention includes shaft tower 8, blower fan main shaft 6, generator 7, front baffle, afterframe, blade 4, sharf 12, curved rod, controlling device; Be assemblied in shaft tower 8 top in the middle part of blower fan main shaft 6, generator 7 is assemblied in the back segment of blower fan main shaft 6;
Front baffle, afterframe are by inside casing and housing composition, and the inside casing of front baffle and afterframe is connected respectively by three struts 10 with between housing; Three struts 10 of front baffle are hollow structure;
The inside casing of front baffle, afterframe is sleeved on the leading portion of blower fan main shaft 6 successively, and front baffle inside casing 9 and afterframe inside casing 11 center hole are provided with keyway, and forward and backward framework inside casing and blower fan main shaft 6 all pass through spline joint; Afterframe inside casing 11 and blower fan main shaft 6 are located by several fixing bolts, ensure between afterframe and blower fan main shaft 6 without axial displacement; Be slidably matched between front baffle inside casing 9 blower fan main shaft 6, namely front baffle inside casing 9 can slide axially along blower fan main shaft 6, make front baffle near or away from afterframe;
The outside of afterframe inside casing 11 and the inner side of afterframe housing 5 are provided with mutually corresponding deck; Blade 4 is in door leaf shape, blade 4 side is provided with longitudinal axis hole, sharf 12 two ends are provided with fixture block 13, sharf 12 is through the axis hole of blade 4, the fixture block 13 at axle two ends is arranged in the deck of afterframe internal and external frames respectively, the present embodiment adopts nine blades, and each blade radially distributes around blower fan main shaft 6;
Front baffle housing 2 edge is equipped with trumpet-shaped collection wind along 1; Blower fan main shaft 6 front end is equipped with tapered air guide sleeve 3, and air guide sleeve 3 is positioned at front baffle inside casing 9 front, ensures gas flow smooth guide vane;
The outer section of blade 4 (namely near afterframe housing side) (namely windward side) on front side of blower fan main shaft is bending, and the cross section of blade 4 is curved; Blade 4 is connected and installed with a slide block 15 near the outer end of afterframe housing side by universal joint 14;
Front baffle housing 2 is provided with slideway; The slide block 15 of each blade 4 end is assemblied in the slideway of front baffle housing 2, is slidably matched with slideway; Connected by curved rod between each slide block 15;
The controlling device of the present embodiment comprises adjustment motor and stay cord; The front baffle of the present embodiment adopts three adjustment motor adjustment blade angles, regulates the equal angle of motor to be arranged on the sidepiece of front baffle inside casing 9;
Curved rod in front baffle housing 2 slideway is connected with three groups of ropes, corresponding with each the adjustment motor being arranged on front baffle inside casing 9 respectively, often organize rope and form by two stay cords; Each group of rope is each passed through the hollow channel of front baffle strut 10 body of rod, and two the stay cord reverse-windings often organizing rope are connected on the bobbin of corresponding adjustment motor power output shaft.When each adjustment motor works simultaneously, bobbin rotates, and often organize the two stay cords retractable all in the other direction in rope, wherein a stay cord pulls curved rod to move along its slideway, and adjustment blade rotates around sharf; When bobbin reverse direction actuation rotates, then pull curved rod to move along its slideway in the other direction by another stay cord, adjustment blade is around sharf counter-rotation.
When adjusting each blade 4 angle, the adjustment motor mechanical axis be assemblied on front baffle rotates, drive each group of rope to pull to be positioned at the curved rod motion of front baffle slideway, pull each blade 4 to rotate around sharf 12 and change Windward angle, simultaneously front baffle away from or near afterframe.
Embodiment 2
The present embodiment as different from Example 1, is provided with screw thread in the axis hole of blade 4, and sharf 12 and blade 4 are by screw-thread fit, and make the weight uniformity of blade 4 act on sharf 12, this structure is applicable to the larger large fan of leaf weight; Controlling device adopts and regulates motor and pull bar; On the blower fan main shaft 6 of front baffle side, equal angle is fixedly equipped with three adjustment motors, and the power take-off mechanism of each adjustment motor connects pull bar by turbine and worm device, and the other end of each bar pull bar is connected front baffle inside casing 9 by universal joint with flange plate.
When carrying out blade 4 angular adjustment, each adjustment motor operates simultaneously, drives the push-and-pull push-and-pull front baffle of front baffle to move axially along blower fan main shaft 6, near or away from afterframe; The slide block 15 and the curved rod that make to be positioned at front baffle slideway slide along slideway, drive all blade synchronization to rotate, realize the adjustment of blade Windward angle.
Adjustment motor output mechanism in this example also controls pull bar motion by hydraulic pressure installation; Be connected with oil pump by the output mechanism of motor, pull bar is connected on oil hydraulic cylinder push rod, is connected and hydraulic control cylinder working by oil pump.
Other structure of the present embodiment is identical with embodiment 1.
It should be pointed out that above is illustrative and not restrictive by preferred embodiment to the detailed description that technological scheme of the present invention is carried out.Those of ordinary skill in the art can modify to the technological scheme described in each embodiment on the basis of reading specification of the present invention, or equivalent replacement is carried out to wherein portion of techniques feature, and these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technological scheme.
Claims (5)
1. there is a horizontal axis wind-driven generator for gate fan shape blade and scalable wind wheel, comprise shaft tower (8), blower fan main shaft (6), generator (7); Blower fan main shaft (6) middle part is assemblied in shaft tower (8) top, and generator (7) is assemblied in blower fan main shaft (6) back segment; Blower fan main shaft (6) front end is equipped with tapered air guide sleeve (3);
It is characterized in that: also comprise front baffle, afterframe, blade (4), sharf (12), curved rod, controlling device;
Front baffle, afterframe, by inside casing and housing composition, are all connected by strut (10) between the inside casing of forward and backward framework and housing; The inside casing of front baffle, afterframe is sleeved on the leading portion of blower fan main shaft (6) successively, front baffle inside casing (9) and afterframe inside casing (11) are connected by key with blower fan main shaft (6), front baffle inside casing and blower fan main shaft (6) are slidably matched, and afterframe inside casing (11) and blower fan main shaft (6) are located by fixing bolt;
The outside of afterframe inside casing (11) and the inner side of afterframe housing (5) are provided with mutually corresponding deck; Blade (4) is in door leaf shape, and blade (4) side is longitudinally provided with axis hole, and blade (4) is by peg-in-hole assembly on sharf (12), and the fixture block (13) at sharf (12) two ends is assemblied in deck;
Blade (4) lateral cross section is curved, and the outer section of blade (4) near afterframe housing one end is bending to blower fan main shaft (6) front side; Blade (4) is connected and installed with a slide block (15) near the end side edges of afterframe housing (5) by universal joint (14);
Front baffle housing (2) is provided with slideway; The slide block (15) of each blade (4) end is assemblied in the slideway of front baffle housing (2), is slidably matched with slideway; Connected by curved rod between each slide block;
Controlling device comprises several adjustment motors, stay cord or pull bars; Each adjustment motor is connected with the curved rod in front baffle slideway respectively respectively by stay cord, or regulates motor to connect front baffle by pull bar.
2. a kind of horizontal axis wind-driven generator with gate fan shape blade and scalable wind wheel according to claim 1, is characterized in that: the adjustment motor of described controlling device respectively all angle be arranged on front baffle inside casing (9); The strut (10) of front baffle is hollow lever; Curved rod in front baffle housing (2) slideway is connected with array rope, and each group rope is corresponding with each adjustment motor respectively; Often organize rope to form by two stay cords, two stay cords pass the front baffle strut body of rod of hollow, and reverse-winding connects corresponding adjustment motor power output mechanism.
3. a kind of horizontal axis wind-driven generator with gate fan shape blade and scalable wind wheel according to claim 1, it is characterized in that: the adjustment motor of described controlling device respectively all angle be arranged on the blower fan main shaft (6) of front baffle side, the power take-off mechanism of each adjustment motor connects pull bar respectively by turbine and worm device or hydraulic pressure installation, and each pull bar the other end is connected with front baffle.
4. a kind of horizontal axis wind-driven generator with gate fan shape blade and scalable wind wheel according to claim 1, is characterized in that: described front baffle housing (2) edge is equipped with trumpet-shaped collection wind along (1).
5. a kind of horizontal axis wind-driven generator with gate fan shape blade and scalable wind wheel according to claim 1, is characterized in that: be provided with screw thread in the axis hole of described blade (4), and sharf (12) and blade (4) pass through screw-thread fit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061485.5A CN103883466B (en) | 2014-02-24 | 2014-02-24 | There is the horizontal axis wind-driven generator of gate fan shape blade and scalable wind wheel |
| PCT/CN2014/077519 WO2015123925A1 (en) | 2014-02-24 | 2014-05-14 | Horizontal-axis wind driven generator provided with door-leaf-shaped blade and extendable wind wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061485.5A CN103883466B (en) | 2014-02-24 | 2014-02-24 | There is the horizontal axis wind-driven generator of gate fan shape blade and scalable wind wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883466A CN103883466A (en) | 2014-06-25 |
| CN103883466B true CN103883466B (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410061485.5A Expired - Fee Related CN103883466B (en) | 2014-02-24 | 2014-02-24 | There is the horizontal axis wind-driven generator of gate fan shape blade and scalable wind wheel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103883466B (en) |
| WO (1) | WO2015123925A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286121A (en) * | 2016-10-17 | 2017-01-04 | 铁力市朗乡镇双兴木器厂 | A kind of suspension vertical shaft formula blade wind power generation plant |
| CN110374792B (en) * | 2019-07-01 | 2020-10-23 | 陈赛鸟 | Wind power generation device convenient to transport and long in service life |
| CN117167220B (en) * | 2023-08-21 | 2024-02-02 | 南京信息工程大学 | Wind turbine generator system blade maintenance device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE526845C2 (en) * | 2002-03-12 | 2005-11-08 | Alf Israelsson | Wind turbine plant with many wind receiving blades arranged around a closed rotation path |
| FR2926609B1 (en) * | 2008-01-18 | 2010-05-07 | Pascal Gauthiez | NEW TYPE OF ROTOR WITH AUTOMATICALLY ROLLABLE SAILS FOR HORIZONTAL AXIS AEROGENERATOR OF MEDIUM POWER |
| US8373298B2 (en) * | 2009-04-20 | 2013-02-12 | Gerald L. Barber | Electrical generator for wind turbine |
| SG176575A1 (en) * | 2009-05-20 | 2012-01-30 | E Net Llc | Wind turbine |
| US8328515B2 (en) * | 2009-05-26 | 2012-12-11 | Guirguis Saad Dawoud | Wind power device |
| TW201224278A (en) * | 2010-12-03 | 2012-06-16 | fu-zhang Liao | Horizontal axis fan blade structure |
| DK177326B1 (en) * | 2011-05-19 | 2013-01-07 | Envision Energy Denmark Aps | A Wind Turbine and Wind Turbine Blade |
| CN102619696B (en) * | 2012-04-13 | 2015-01-14 | 张效新 | Boat-shaped blade vertical axis wind turbine generator |
| CN102996354B (en) * | 2012-11-27 | 2015-04-29 | 徐建伟 | Low-cost belt transmission wind turbine generator |
| CN203770017U (en) * | 2014-02-24 | 2014-08-13 | 张效新 | Horizontal-axis wind turbine with door-shaped blades and retractable wind wheel |
-
2014
- 2014-02-24 CN CN201410061485.5A patent/CN103883466B/en not_active Expired - Fee Related
- 2014-05-14 WO PCT/CN2014/077519 patent/WO2015123925A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015123925A1 (en) | 2015-08-27 |
| CN103883466A (en) | 2014-06-25 |
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Granted publication date: 20160323 Termination date: 20180224 |