CN103883466A - Door-leaf-shaped blade and extendable wind wheel of horizontal-axis wind driven generator - Google Patents
Door-leaf-shaped blade and extendable wind wheel of horizontal-axis wind driven generator Download PDFInfo
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- CN103883466A CN103883466A CN201410061485.5A CN201410061485A CN103883466A CN 103883466 A CN103883466 A CN 103883466A CN 201410061485 A CN201410061485 A CN 201410061485A CN 103883466 A CN103883466 A CN 103883466A
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- blower fan
- driven generator
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- 238000009434 installation Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010248 power generation Methods 0.000 abstract 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 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
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 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
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- 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 invention relates to the technical field of wind power generation, in particular to a door-leaf-shaped blade and an extendable wind wheel of a horizontal-axis wind driven generator. Most of existing wind driven generators are provided with horizontal shafts and three blades, and due to limitation of structures, height of the wind driven generators and the like, many problems still exist like that wind wheels are large in air leakage and low in wind capturing efficiency, the blades are prone to breakage, wind utilization rate is low, and output power is hard to increase. The technical scheme includes that the horizontal-axis wind driven generator comprises a front frame, a rear frame and an adjusting device, inner frames of the front frame and the rear frame are sequentially assembled on a front section of a wind driven generator spindle, the front frame and the wind driven generator spindle are in slide matching, the rear frame and the wind driven generator spindle are positioned by screws, the door-leaf-shaped blades are assembled on the rear frame via blade shafts, end portions of the blades are matched with slides of the front frame, and the adjusting device drives sliders of the blades to adjust windward angles of the blades. The door-leaf-shaped blade and the extendable wind wheel of the horizontal-axis wind turbine have the advantages that wind driven generator output power and wind capturing efficiency are increased, costs on power generation in unit, repairing and maintenance are lowered, and applicability to large-size and middle-size wind driven generators is achieved.
Description
Technical field
The present invention relates to wind generating unit technical field, specifically a kind of horizontal axis wind-driven generator gate fan shape blade and scalable wind wheel.
Background technique
Wind-driven generator utilization utilizes wind energy drive vane to drive generator 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 types, for ensureing the rated output power of generator, the horizontal axis wind-driven generator height using is at present all higher, the blower fan overall height of relatively high power is up to 100 meters, rated power is all lower than 2MW, as further increase blower fan rated output power, the length that need to increase blade also improves 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, wind loading rating variation, the space not only taking is large, and causes available wind speed range to be dwindled, and causes a large amount of wastes of wind energy resources, generally in the time that wind speed exceedes 25m/s, just must shut down, 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) wind-driven generator the increase of output power causes blower fan overall height to increase, and wind-force Applicable scope narrows, the increase of equipment maintenance cost, and the cost that obtains 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 axial type wind-driven generator often can not be synchronous, causes by forced-stopping machine.
In sum, the horizontal axial type blower fan technology maturation of prior art, its scale is manufactured, 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 is flutterred 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 gate fan shape blade and scalable wind wheel, overcome deficiency of the prior art, improved utilization ratio and the generating efficiency of wind energy, reduced the generation investment cost of per kilowatt.
Technological scheme of the present invention:
Comprise shaft tower, blower fan main shaft, generator; Blower fan main shaft middle part is assemblied in head of mast, and 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, all connect 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;
The outside of afterframe inside casing and afterframe housing inner side are provided with the deck of mutual correspondence; Blade is door leaf shape, and blade one side is longitudinally provided with axis hole, and blade pass is crossed axis hole and is assemblied on sharf, and the fixture block at sharf two ends is assemblied in deck;
Blade lateral cross section is curved, and blade is (windward a side) bending to blower fan main shaft front side near outer section of afterframe housing one end; 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; Between each slide block, connect by curved rod;
Controlling device comprises several adjusting motors, stay cord or pull bars; Each motor that regulates is connected with the curved rod in front baffle slideway respectively by stay cord respectively, or regulates motor to connect front baffle by pull bar.
The adjusting motor of described controlling device respectively equal angle is 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, respectively organizes rope corresponding with each adjusting motor respectively; Every group of rope forms by two stay cords, and two stay cords pass the front baffle strut body of rod of hollow, and reverse-winding connects corresponding adjusting motor power output mechanism.
The adjusting motor of described controlling device respectively equal angle is arranged on the blower fan main shaft of front baffle side, and the power take-off mechanism of each adjusting motor connects pull bar by turbine and worm device or hydraulic pressure installation respectively, 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.
In the axis hole of described blade, be provided with screw thread, sharf and blade pass are crossed screw-thread fit.
Horizontal axis wind-driven generator gate fan shape blade of the present invention and scalable wind wheel, multiple gate fan shape blades are assemblied in wind wheel framework, improve the generating efficiency of blower fan, solved output power on prior art horizontal axis wind-driven generator and be difficult to the problem such as further increase, the easy damage of blade, the present invention has following beneficial effect:
1, by changing quantity, shape and the mounting type of blade, significantly increase single-machine capacity, in the situation that not increasing wind-driven generator shaft tower height and length of blade, improved blower fan output power and flutterred wind efficiency, reduced 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, has avoided current three blade horizontal axis fan blades easily to suffer that thunderbolt and strong wind fracture; Maintenance and maintenance cost are reduced;
3, make blower fan adapt to the wider of wind speed by adjusting vane angle; This equipment not only can be at low wind speed area operation, and can meet the service condition (being need not shut down under high wind speed) in high wind speed region, and cut-out wind speed reaches 25m/s still can, by the normally operation at full capacity of adjusting vane small angle, improve wind energy utilization efficiency;
4, wind wheel frame front is provided with collection wind edge and air guide sleeve, improves the 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.
Brief description of the drawings
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; Blower fan main shaft 6 middle parts are assemblied in shaft tower 8 tops, and generator 7 is assemblied in the back segment of blower fan main shaft 6;
Front baffle, afterframe, by inside casing and housing composition, are connected by three struts 10 respectively between the inside casing of front baffle and afterframe and 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 holes 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 is located by several fixing bolts with blower fan main shaft 6, ensures between afterframe and blower fan main shaft 6 without axial displacement; Between front baffle inside casing 9 blower fan main shafts 6, be slidably matched, front baffle inside casing 9 can slide axially along blower fan main shaft 6, make front baffle near or away from afterframe;
The inner side of the outside of afterframe inside casing 11 and afterframe housing 5 is provided with the deck of mutual correspondence; Blade 4 is door leaf shape, blade 4 one sides are 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 on respectively in the deck of afterframe internal and external frames, the present embodiment adopts nine blades, and each blade is radial and distributes around blower fan main shaft 6;
Outer section of blade 4 (near afterframe housing side) be (windward a side) bending to blower fan main shaft front side, 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;
The controlling device of the present embodiment comprises adjusting motor and stay cord; The front baffle of the present embodiment adopts three adjusting motors to adjust blade angle, regulates the equal angle of motor to be arranged on the sidepiece of front baffle inside casing 9;
On curved rod in front baffle housing 2 slideways, be connected with three groups of ropes, corresponding with each the adjusting motor that is arranged on front baffle inside casing 9 respectively, every group of rope forms by two stay cords; Each group rope is respectively through the hollow channel of front baffle strut 10 bodies of rod, and two stay cord reverse-windings of every group of rope are connected on the bobbin of corresponding adjusting motor power output shaft.In the time that each adjusting motor is worked simultaneously, bobbin rotates, and two stay cords in every group of rope are retractable in the other direction all, and wherein a stay cord pulls curved rod to move along its slideway, adjusts blade and rotates around sharf; In the time that bobbin reverse direction actuation is rotated, pull curved rod to move along its slideway in the other direction by another stay cord, adjust blade around sharf counter-rotation.
While adjusting each blade 4 angle, be assemblied in the adjusting motor mechanical axis rotation on front baffle, 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 and change Windward angles around sharf 12, simultaneously front baffle away from or near afterframe.
The present embodiment as different from Example 1, is provided with screw thread in the axis hole of blade 4, and sharf 12 by screw-thread fit, makes the weight stepless action of blade 4 in sharf 12 with blade 4, and 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, all angle is fixedly equipped with three adjusting motors, and the power take-off mechanism of each adjusting motor connects pull bar by turbine and worm device, and the other end of each pull bar is connected front baffle inside casing 9 with flange plate by universal joint.
While carrying out blade 4 angular adjustment, each adjusting motor turns round 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 are positioned at front baffle slideway are slided along slideway, drive all blade synchronization to rotate, realize the adjustment of blade Windward angle.
Adjusting motor output mechanism in this example also can move by hydraulic pressure installation control pull bar; The output mechanism of motor is connected with oil pump, and pull bar is connected on oil hydraulic cylinder push rod, is connected and is controlled hydraulic cylinder works by oil pump.
Other structure of the present embodiment is identical with embodiment 1.
It should be pointed out that the above detailed description of technological scheme of the present invention being carried out by preferred embodiment is illustrative and not restrictive.The technological scheme that those of ordinary skill in the art can record each embodiment on the basis of reading specification of the present invention is modified, or part technical characteristics is wherein equal to replacement, 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. horizontal axis wind-driven generator gate fan shape blade and a scalable wind wheel, comprises 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, all connect 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) is located by fixing bolt with blower fan main shaft (6);
The inner side of the outside of afterframe inside casing (11) and afterframe housing (5) is provided with the deck of mutual correspondence; Blade (4) is door leaf shape, and blade (4) one sides are longitudinally provided with axis hole, and it is upper that blade (4) is assemblied in sharf (12) by axis hole, and the fixture block (13) at sharf (12) two ends is assemblied in deck;
Blade (4) lateral cross section is curved, and outer section of the close afterframe housing of blade (4) one end to the front lateral bend of blower fan main shaft (6); 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; Between each slide block, connect by curved rod;
Controlling device comprises several adjusting motors, stay cord or pull bars; Each motor that regulates is connected with the curved rod in front baffle slideway respectively by stay cord respectively, or regulates motor to connect front baffle by pull bar.
2. a kind of horizontal axis wind-driven generator gate fan shape blade according to claim 1 and scalable wind wheel, is characterized in that: the adjusting motor of described controlling device respectively equal angle is 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, respectively organizes rope corresponding with each adjusting motor respectively; Every group of rope forms by two stay cords, and two stay cords pass the front baffle strut body of rod of hollow, and reverse-winding connects corresponding adjusting motor power output mechanism.
3. a kind of horizontal axis wind-driven generator gate fan shape blade according to claim 1 and scalable wind wheel, it is characterized in that: the adjusting motor of described controlling device respectively equal angle is arranged on the blower fan main shaft (6) of front baffle side, the power take-off mechanism of each adjusting motor connects pull bar by turbine and worm device or hydraulic pressure installation respectively, and each pull bar the other end is connected with front baffle.
4. a kind of horizontal axis wind-driven generator gate fan shape blade according to claim 1 and scalable wind wheel, 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 gate fan shape blade according to claim 1 and scalable wind wheel, is characterized in that: in the axis hole of described blade (4), be provided with screw thread, sharf (12) passes through screw-thread fit with blade (4).
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 true CN103883466A (en) | 2014-06-25 |
| CN103883466B CN103883466B (en) | 2016-03-23 |
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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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503883A (en) * | 2016-10-17 | 2017-12-22 | 铁力市朗乡镇双兴木器厂 | A kind of blade wind power generation plant |
| CN110374792A (en) * | 2019-07-01 | 2019-10-25 | 广州林电科技有限公司 | A kind of wind power generation plant with long service life being readily transported |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117167220B (en) * | 2023-08-21 | 2024-02-02 | 南京信息工程大学 | Wind turbine generator system blade maintenance device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459870A (en) * | 2009-05-20 | 2012-05-16 | E网络服务有限责任公司 | Wind turbine |
| CN102619696A (en) * | 2012-04-13 | 2012-08-01 | 张效新 | Boat-shaped blade vertical axis wind turbine generator |
| CN102787969A (en) * | 2011-05-19 | 2012-11-21 | 远景能源（丹麦）有限公司 | A wind turbine and wind turbine blade |
| CN102996354A (en) * | 2012-11-27 | 2013-03-27 | 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 |
Family Cites Families (5)
| 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 |
| 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 |
-
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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459870A (en) * | 2009-05-20 | 2012-05-16 | E网络服务有限责任公司 | Wind turbine |
| CN102787969A (en) * | 2011-05-19 | 2012-11-21 | 远景能源（丹麦）有限公司 | A wind turbine and wind turbine blade |
| CN102619696A (en) * | 2012-04-13 | 2012-08-01 | 张效新 | Boat-shaped blade vertical axis wind turbine generator |
| CN102996354A (en) * | 2012-11-27 | 2013-03-27 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503883A (en) * | 2016-10-17 | 2017-12-22 | 铁力市朗乡镇双兴木器厂 | A kind of blade wind power generation plant |
| CN110374792A (en) * | 2019-07-01 | 2019-10-25 | 广州林电科技有限公司 | A kind of wind power generation plant with long service life being readily transported |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103883466B (en) | 2016-03-23 |
| WO2015123925A1 (en) | 2015-08-27 |
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Granted publication date: 20160323 Termination date: 20180224 |