CN102305190A - Multi-rotor wind generating system provided with horizontal connecting rods - Google Patents
Multi-rotor wind generating system provided with horizontal connecting rods Download PDFInfo
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- CN102305190A CN102305190A CN201110241039A CN201110241039A CN102305190A CN 102305190 A CN102305190 A CN 102305190A CN 201110241039 A CN201110241039 A CN 201110241039A CN 201110241039 A CN201110241039 A CN 201110241039A CN 102305190 A CN102305190 A CN 102305190A
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- waling stripe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a multi-rotor wind generating system provided with horizontal connecting rods. The multi-rotor wind generating system comprises a lower tower 1, a rotary driving device 3, wind turbines, an upper tower 2, beams 6, a cabin frame 7 and the horizontal connecting rods 8, wherein the rotary driving device 3 is arranged between the upper tower and the lower tower; the middle point of each beam is fixedly connected with the upper tower through a horizontal connecting rod; the cabin frame is arranged on the upper tower; the wind turbines are fixedly connected with the top of the upper tower, the beams or/and the cabin frame; each wind turbine comprises a wind wheel 4 and a cabin 5; 2 to 100 wind turbines are arranged; and distances between wind wheels of wind turbines positioned on the same beam and the beam are equal. The multi-rotor wind generating system has the advantages that: (1) blades have long service life; (2) the occupied area is small; (3) the installation cost is effectively reduced; (4) the maintenance cost is low; (5) the reliability of the system is high; (6) the application range is wide; (7) a slewing bearing or a rotary driving device in the cabin is eliminated; and (8) automatic wind facing is realized.
Description
Technical field
The invention belongs to field of wind energy utilization, relate to a kind of many rotors wind-power generating system that has waling stripe.
Background technique
Along with worldwide energy crisis and global environmental pollution aggravation, many countries all pay attention to research, the development and utilization of clean renewable energy sources more.Whole world wind energy timeliness points out; It is more ripe that wind generating technology is compared other renewable energy technologies, and its efficient is also higher, and industrial prospect is best; Its development and use growth rate is far above conventional energy resource, and wind generating technology is one of renewable energy technologies with fastest developing speed in the world.
Wind wheel is the core component that wind energy converts mechanical energy into, so the performance of the performance of blade decision wind-powered electricity generation unit, and the safe and stable operation of blade in phase projected life is most important.The blade of horizontal axis wind-driven generator is subjected to the comprehensive function of horizontal thrust, inertial force and gravity in rotary course.Be subjected to influence by the wind shear, the size of horizontal thrust changes all the time, still is that transmission system and pylon all produce big alternate load to blade; The direction of inertial force changes at any time; Gravity produces an alternate load with the speed same frequency at root of blade.Above-mentioned three alternate loads and consequent vibration are the main causes that blade destroys.
The wind-driven generator single-machine capacity is done bigger and bigger, and relatively more consistent in the world at present view is: single-machine capacity is big more, and cost is low more, and its reason is to it is generally acknowledged that wind energy conversion system power is big more, and required wind energy conversion system number is few more, and the parts that need repairing are few more, and cost is low more.
In fact; Owing to be subjected to the rubbing action on building and ground; Increase along with height; Wind speed increases gradually; This phenomenon is referred to as wind shear, and when blade was in diverse location in plane of rotation, wind speed can be variant; Thereby the size of horizontal thrust of bearing at plane of rotation Vertical direction upper blade and flywheel moment can be different, cause blade to receive fatigue load.Simultaneously, gravity also can produce alternate load on blade.Therefore, blade is long more, and weight is heavy more, is subjected to the influence of wind shear and gravitational load big more, and the alternate load that causes blade to bear is big more, and blade destroys more easily.At present, the report that blades of large-scale wind driven generator destroys is also rare, mainly is that problem does not also expose fully because the installation time is short, after the several years, and perhaps can the large size outburst.In case go wrong; Wind energy turbine set causes economic loss owing to shutting down, having a power failure, and counts maintenance, lifting and replacing component, the transportation of transfiniting again in, repeats installation or the like cost, and blower fan is installed in remote or ungetable area mostly in addition; Lifting dismounting difficulty is big, and that pays at last is costly.Therefore, reduce though the manufacture cost of wind-powered electricity generation unit increases with power, consider the expenses such as maintenance in later stage, its overall cost can rise on the contrary.On the other hand, its length of blade of large windpower generating unit will reach 60-70m, and land transportation, installation be difficulty very, and the crane capacity that usefulness is installed will be above 1200-1400t, and a lot of areas do not possess this condition, thereby have limited the use of large windpower generating unit.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, a kind of many rotors wind-power generating system that has waling stripe is provided.
Technological scheme of the present invention is summarized as follows:
A kind of many rotors wind-power generating system that has waling stripe; Comprise bottom pylon 1; Device for revolving and driving 3 and wind energy conversion system; Also comprise top pylon 2; Beam 6; Cabin frame 7 and waling stripe 8; Device for revolving and driving is arranged between top pylon and the bottom pylon; The midpoint of beam is fixedly connected with the top pylon through waling stripe; The cabin frame is arranged on the pylon of top; The top of wind energy conversion system and top pylon; Beam is or/and the fixed connection of cabin frame; Wind energy conversion system comprises wind wheel 4 and cabin 5; Wind energy conversion system is 2-100, is positioned at the equal in length of the wind wheel of the wind energy conversion system on the same beam apart from beam.
Waling stripe is angle steel, I-steel, channel-section steel, square tube, pipe or truss structure.
The rod member of forming truss structure is angle steel, I-steel, channel-section steel, square tube or pipe.
The surface of waling stripe scribbles rust proof paint or zinc coat is arranged.
Wind energy conversion system is the windward type wind energy conversion system.
The power of wind energy conversion system is preferred 0.5～500kW, preferably 2～100kW.
Advantage of the present invention and good effect are:
(1) leaf longevity is long.A plurality of medium and small wind energy conversion systems are installed on the pylon of top of the present invention, and its blade is short, on short transverse, is subjected to influence by the wind shear little, and the fatigue load of short blade is little, and the manufacturing technology of short blade is ripe simultaneously, stable performance, thereby the life-span of blade is long.
(2) floor space is little.Consider the influence of wake flow, the common wind-powered electricity generation unit of prior art when mounted will be at intervals, and a plurality of wind energy conversion systems on a pylon of the present invention only need be considered influencing each other of wind energy conversion system side direction, have saved floor space greatly.Simultaneously, the wake effect of medium and small unit can be arranged more the present invention apart from weak point in wind energy turbine set, help improving the total installation of generating capacity of wind energy turbine set, improves the economic benefit of wind energy turbine set.
(3) Du Te mounting type.Top of the present invention pylon is connected with beam; When normal the use, as the mounting structure of wind energy conversion system, beam can be used as and hangs support when installing and keep in repair; Do not need or only the small-sized lifting of needs machinery just can carry out equipment installation and dismounting, effectively reduce the installation and maintenance cost.
(4) maintenance cost is low.Be mainly reflected in the following aspects: the one, owing to adopt medium and small wind energy conversion system, its blade is not only short but also in light weight, convenient transportation is easy with replacing; The 2nd, the scale high efficiency is beneficial to integrated and modularization and scale, reduces production costs, and increases economic efficiency; The 3rd, medium and small wind energy conversion system technology maturation, component low price.
(5) good reliability of system.The present invention is the mode of on a pylon, arranging a plurality of wind energy conversion systems owing to what adopt, when single or certain several wind energy conversion system break down, can not exert an influence to other wind energy conversion systems, and system still can keep running well basically.The wind energy conversion system number of wind energy turbine set is more, and single wind energy conversion system breaks down very little to the influence of system and electrical network.
(6) applied range.Compare with the large windpower generating unit with large-scale, the present invention is owing to adopt medium and small wind energy conversion system, no matter be to the requirement of wind field condition, geographical position or floor space will be low many, expanded the application area of native system greatly.
(7) cancelled floating bearing or the device for revolving and driving in the cabin.Since on top pylon and bottom pylon intermediate arrangement device for revolving and driving, realized the integral body revolution of top pylon, beam and wind energy conversion system, so floating bearing or device for revolving and driving need be set in the cabin of single wind energy conversion system.
(8) automatically to wind.Beam all is positioned at the homonymy of gyration center with the wind wheel plane of rotation that is arranged in the wind energy conversion system on the beam, and is positioned at the following wind direction side of gyration center.When wind direction changed, the power that acts on beam and the wind energy conversion system produced the moment that rotate at wraparound commentaries on classics center, this moment make device for revolving and driving with top to wind, thereby reach automatically purpose to wind.After wind speed was greater than rated wind speed, device for revolving and driving was just started working, and device for revolving and driving carries out active yawing with top under motor or hydraulic action, realized safety protection.
Description of drawings
Fig. 1 is the schematic representation that has many rotors wind-power generating system of waling stripe.
Fig. 2 is the schematic top plan view that has many rotors wind-power generating system of waling stripe.
Embodiment
Below in conjunction with accompanying drawing further detailed description is done in enforcement of the present invention, it is descriptive below detailing, and is not determinate, can not limit the protection domain of patent of the present invention.
A kind of many rotors wind-power generating system that has waling stripe; Comprise bottom pylon 1; Device for revolving and driving 3 and wind energy conversion system; Also comprise top pylon 2; Beam 6; Cabin frame 7 and waling stripe 8; Device for revolving and driving is arranged between top pylon and the bottom pylon; Be used for realizing to the top pylon; Beam; The integral body revolution of cabin frame and wind energy conversion system; The midpoint of beam is fixedly connected with the top pylon through waling stripe; The cabin frame is arranged on the pylon of top; The top of wind energy conversion system and top pylon; Beam is or/and the fixed connection of cabin frame; Wind energy conversion system comprises wind wheel 4 and cabin 5; Wind energy conversion system is 2-100, is positioned at the equal in length of the wind wheel of the wind energy conversion system on the same beam apart from beam.
Waling stripe is angle steel, I-steel, channel-section steel, square tube, pipe or truss structure.
The rod member of forming truss structure is angle steel, I-steel, channel-section steel, square tube or pipe.
The surface of waling stripe scribbles rust proof paint or zinc coat is arranged.
Wind energy conversion system is the windward type wind energy conversion system.
The power of wind energy conversion system is preferred 0.5～500kW, preferably 2～100kW.
The length of waling stripe can be selected between 0.2m-1.5m.
The driving mechanism of gyroscopic drive system is failure to actuate during less than rated wind speed at wind speed, at this moment structure under wind automatically to wind.
The driving mechanism of gyroscopic drive system wind speed greater than rated wind speed time action carry out active yawing.
The working principle of patent of the present invention is:
When wind speed reached the startup wind speed of wind energy conversion system, wind energy conversion system began rotation work, the electric energy of generation convert to the electricity of electrical network with homophase frequently after, be connected on the electrical network and generate electricity by way of merging two or more grid systems, or be transported to energy-storage system and carry out energy storage.When change of the wind, the horizontal thrust that acts on beam and the wind energy conversion system produces the moment that rotate at wraparound commentaries on classics center, and this moment makes superstructure turn round, and turns on the wind direction direction always, reaches the purpose to wind.When the recording anemometer in the system detected wind speed above rated wind speed, system sent signal and gives device for revolving and driving, under hydraulic pressure or motor effect, drove superstructure and went off course.
Claims (7)
1. many rotors wind-power generating system that has waling stripe; Comprise bottom pylon (1); Device for revolving and driving (3) and wind energy conversion system; It is characterized in that also comprising top pylon (2); Beam (6); Cabin frame (7) and waling stripe (8); Said device for revolving and driving is arranged between said top pylon and the said bottom pylon; The midpoint of said beam is fixedly connected with the top pylon through said waling stripe; Said cabin frame is arranged on the pylon of said top; The top of said wind energy conversion system and said top pylon; Said beam is or/and the fixed connection of said cabin frame; Said wind energy conversion system comprises wind wheel (4) and cabin (5); Said wind energy conversion system is 2-100, is positioned at the equal in length of the wind wheel of the wind energy conversion system on the same beam apart from beam.
2. a kind of many rotors wind-power generating system that has waling stripe according to claim 1 is characterized in that said waling stripe is angle steel, I-steel, channel-section steel, square tube, pipe or truss structure.
3. a kind of many rotors wind-power generating system that has waling stripe according to claim 2, the rod member that it is characterized in that forming truss structure is angle steel, I-steel, channel-section steel, square tube or pipe.
4. according to claim 1 or 2 or 3 described a kind of many rotors wind-power generating systems that have waling stripe, it is characterized in that the surface of said waling stripe scribbles rust proof paint or zinc coat is arranged.
5. a kind of many rotors wind-power generating system that has waling stripe according to claim 1 is characterized in that said wind energy conversion system is the windward type wind energy conversion system.
6. according to claim 1 or 5 described a kind of many rotors wind-power generating systems that have waling stripe, the power that it is characterized in that said wind energy conversion system is 0.5～500kW.
7. a kind of many rotors wind-power generating system that has waling stripe according to claim 6, the power that it is characterized in that said wind energy conversion system is 2～100kW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110241039A CN102305190A (en) | 2011-08-19 | 2011-08-19 | Multi-rotor wind generating system provided with horizontal connecting rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110241039A CN102305190A (en) | 2011-08-19 | 2011-08-19 | Multi-rotor wind generating system provided with horizontal connecting rods |
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| Publication Number | Publication Date |
|---|---|
| CN102305190A true CN102305190A (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110241039A Pending CN102305190A (en) | 2011-08-19 | 2011-08-19 | Multi-rotor wind generating system provided with horizontal connecting rods |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195659A (en) * | 2013-05-03 | 2013-07-10 | 汤瑞源 | Miniature easy-synchronization wind driven generator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222813Y (en) * | 1994-06-07 | 1996-03-20 | 宿伟 | Combined wind-driven generator |
| WO2003069156A1 (en) * | 2002-02-14 | 2003-08-21 | Aloys Wobben | Wind energy turbine |
| US20030168864A1 (en) * | 2002-03-08 | 2003-09-11 | William Heronemus | Offshore wind turbine |
| CN101218398A (en) * | 2005-04-20 | 2008-07-09 | 船舶通用涡轮有限公司 | Improvements in or relating to supporting articles/loads |
| CN201250765Y (en) * | 2008-08-06 | 2009-06-03 | 青岛安华新能源开发有限公司 | Assembly type wind generating set |
| CN101813056A (en) * | 2009-09-19 | 2010-08-25 | 杜振义 | Multi-propeller wind driven generator |
| WO2010098813A1 (en) * | 2009-02-28 | 2010-09-02 | Ener2 Llc | Wind energy device |
-
2011
- 2011-08-19 CN CN201110241039A patent/CN102305190A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222813Y (en) * | 1994-06-07 | 1996-03-20 | 宿伟 | Combined wind-driven generator |
| WO2003069156A1 (en) * | 2002-02-14 | 2003-08-21 | Aloys Wobben | Wind energy turbine |
| US20030168864A1 (en) * | 2002-03-08 | 2003-09-11 | William Heronemus | Offshore wind turbine |
| CN101218398A (en) * | 2005-04-20 | 2008-07-09 | 船舶通用涡轮有限公司 | Improvements in or relating to supporting articles/loads |
| CN201250765Y (en) * | 2008-08-06 | 2009-06-03 | 青岛安华新能源开发有限公司 | Assembly type wind generating set |
| WO2010098813A1 (en) * | 2009-02-28 | 2010-09-02 | Ener2 Llc | Wind energy device |
| CN101813056A (en) * | 2009-09-19 | 2010-08-25 | 杜振义 | Multi-propeller wind driven generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195659A (en) * | 2013-05-03 | 2013-07-10 | 汤瑞源 | Miniature easy-synchronization wind driven generator |
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Application publication date: 20120104 |