CN102305188A - Multi-rotor wind generating system capable of automatically facing wind - Google Patents
Multi-rotor wind generating system capable of automatically facing wind Download PDFInfo
- Publication number
- CN102305188A CN102305188A CN201110240631A CN201110240631A CN102305188A CN 102305188 A CN102305188 A CN 102305188A CN 201110240631 A CN201110240631 A CN 201110240631A CN 201110240631 A CN201110240631 A CN 201110240631A CN 102305188 A CN102305188 A CN 102305188A
- Authority
- CN
- China
- Prior art keywords
- wind
- floating bearing
- framework
- energy conversion
- generating system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a multi-rotor wind generating system capable of automatically facing wind. The multi-rotor wind generating system comprises a tower 1, beams 5, wind turbines, an A slewing bearing 2, a B slewing bearing 3, a framework 4 and tail vanes 8, wherein the A slewing bearing is arranged on the top of the tower; the B slewing bearing is arranged in the middle of the tower; inner rings of the A slewing bearing and the B slewing bearing are fixed on the tower; the framework is fixedly connected to outer rings of the A slewing bearing and the B slewing bearing; one end of each beam is connected with the framework; the wind turbines are fixedly connected with the beams; each wind turbine comprises a wind wheel 6 and a cabin 7; the beams on two sides of the framework have the same length; beams on one side of the framework are provided with more wind turbines than beams on the other side of the framework; and the tail vanes are connected with the framework, the beams or/and cabins through pin rolls. The multi-rotor wind generating system has the advantages that: blades have long service life, the occupied area is small, the installation and maintenance cost is low, the reliability is high, the application range is wide, a slewing bearing or a rotary driving device in the cabin is eliminated, and automatic wind facing and yawing are realized.
Description
Technical field
The invention belongs to field of wind energy utilization, relate to can be automatically to many rotors wind-power generating system of wind.
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 receives the comprehensive function of horizontal thrust, inertial force and gravity in rotary course.Receive 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 receive the rubbing action on building and ground, along with the increase of 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, receives 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.
The wind energy conversion system of outwork has certain nominal operation wind speed, when wind speed is lower than rated wind speed, in order to make the generated energy maximization, wind wheel is facingd the wind, and is higher than rated wind speed and work as wind speed, in order to protect wind energy conversion system, need go off course.
Use at present usually device for revolving and driving, constantly monitor wind speed, transfer at any time to, device for revolving and driving not only operating conditions is relatively poor, and cost is high.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the existing technology, provide can be automatically to many rotors wind-power generating system of wind.
Technological scheme of the present invention is summarized as follows:
Can comprise pylon 1, beam 5 and wind energy conversion system automatically to many rotors wind-power generating system of wind, also comprise A floating bearing 2, B floating bearing 3, framework 4 and tail vane 8; The A floating bearing is arranged on tower top, and the B floating bearing is arranged on the middle part of pylon, and the inner ring of A floating bearing and B floating bearing is fixed on the pylon; Frame fixation is connected on the outer ring of A floating bearing and B floating bearing; One end of beam is connected with framework, and wind energy conversion system is fixedly connected with beam, and wind energy conversion system comprises wind wheel 6 and cabin 7; Wind energy conversion system is 2-100; The equal in length of the beam of framework both sides, the quantity of the wind energy conversion system that is provided with on the beam of quantity than opposite side of the wind energy conversion system that is provided with on the beam of framework one side many 1-20, tail vane and framework, beam or/and the cabin be connected through bearing pin.
Framework is plane structure or space multistory structure, and the bar of forming framework is square tube, pipe, I-steel, channel-section steel, square steel, round steel or angle steel.
The number of tail vane is 1-100.
Wind energy conversion system is a windward type.
The present invention can also comprise mast 9, and an end of mast is connected on the said pylon.
Mast is 3-40.
Floating bearing 10 in the middle of the present invention can also comprise; Middle floating bearing is between A floating bearing and B floating bearing; The inner ring of middle floating bearing is fixed on the pylon, and the outer ring of middle floating bearing is connected with frame fixation, and the number of middle floating bearing is 1-10.
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, receives 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 existing technology 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) mounting type of uniqueness.Pylon of the present invention 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) owing to respectively arranged a floating bearing at the top and the middle part of pylon, can not produce moments of flexure to two floating bearings in the horizontal thrust effect of bearing the wind generation, compare with the common wind-powered electricity generation unit of existing technology, the stressing conditions of floating bearing is greatly improved.
(8) automatically to wind, driftage and safety protection.The flywheel moment that tail vane produces during less than rated wind speed at wind speed drives the B floating bearing and carries out wind with top.The flywheel moment that the wind energy conversion system of asymmetric layout produces during greater than rated wind speed at wind speed drives the B floating bearing and goes off course with top.
(9) do not need drive unit.Owing to can realizing through tail vane of structure, therefore do not need to be provided with again the device for revolving and driving of hydraulic type or motor-driven to wind, driftage and safety protection.
Description of drawings
Fig. 1 be can be automatically to the schematic representation of many rotors wind-power generating system of wind.
Fig. 2 be can be automatically to the schematic representation of the another kind of form of many rotors wind-power generating system of wind.
Fig. 3 be can be automatically to the schematic top plan view of many rotors wind-power generating system of wind.
Fig. 4 be can be automatically to the schematic top plan view of the another kind of form of many rotors wind-power generating system of wind.
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.
Can comprise pylon 1, beam 5 and wind energy conversion system automatically to many rotors wind-power generating system of wind, also comprise A floating bearing 2, B floating bearing 3, framework 4 and tail vane 8; The A floating bearing is arranged on tower top, and the B floating bearing is arranged on the middle part of pylon, and the inner ring of A floating bearing and B floating bearing is fixed on the pylon; Frame fixation is connected on the outer ring of A floating bearing and B floating bearing; One end of beam is connected with framework, and wind energy conversion system is fixedly connected with beam, and wind energy conversion system comprises wind wheel 6 and cabin 7; Wind energy conversion system is 2-100; The equal in length of the beam of framework both sides, the quantity of the wind energy conversion system that is provided with on the beam of quantity than opposite side of the wind energy conversion system that is provided with on the beam of framework one side many 1-20, tail vane and framework, beam or/and the cabin be connected through bearing pin.
Framework is plane structure or space multistory structure, and the bar of forming framework is square tube, pipe, I-steel, channel-section steel, square steel, round steel or angle steel.
The number of tail vane is 1-100.
Wind energy conversion system is a windward type.
The present invention can also comprise mast 9, and an end of mast is connected on the said pylon.
Mast is 3-40.
Floating bearing 10 in the middle of the present invention can also comprise; Middle floating bearing is between A floating bearing and B floating bearing; The inner ring of middle floating bearing is fixed on the pylon, and the outer ring of middle floating bearing is connected with frame fixation, and the number of middle floating bearing is 1-10.
The power of wind energy conversion system is preferred 0.5～500kW, preferably 2～100kW.
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.The flywheel moment that tail vane produces during less than rated wind speed at wind speed drives the B floating bearing carries out wind with top, and the flywheel moment that the wind energy conversion system of asymmetric layout produces during greater than rated wind speed at wind speed drives the B floating bearing and goes off course with top.
Claims (9)
1. can be automatically to many rotors wind-power generating system of wind; Comprise pylon (1), beam (5) and wind energy conversion system, it is characterized in that also comprising A floating bearing (2), B floating bearing (3), framework (4) and tail vane (8), said A floating bearing is arranged on said tower top; Said B floating bearing is arranged on the middle part of said pylon; The inner ring of said A floating bearing and B floating bearing is fixed on the pylon, and said frame fixation is connected on the outer ring of said A floating bearing and said B floating bearing, and an end of said beam is connected with said framework; Said wind energy conversion system is fixedly connected with said beam; Said wind energy conversion system comprises wind wheel (6) and cabin (7), and said wind energy conversion system is 2-100, the equal in length of the beam of said framework both sides; The quantity of the wind energy conversion system that is provided with on the beam of quantity than opposite side of the wind energy conversion system that is provided with on the beam of framework one side manys 1-20, said tail vane and said framework, said beam or/and said cabin be connected through bearing pin.
2. according to claim 1ly can it is characterized in that said framework is plane structure or space multistory structure automatically to many rotors wind-power generating system of wind, the bar of forming framework is square tube, pipe, I-steel, channel-section steel, square steel, round steel or angle steel.
3. according to claim 1 can be automatically to many rotors wind-power generating system of wind, the number that it is characterized in that said tail vane is 1-100.
4. according to claim 1ly can it is characterized in that said wind energy conversion system is a windward type automatically to many rotors wind-power generating system of wind.
5. according to claim 1 can be automatically to many rotors wind-power generating system of wind, its characteristic also comprises mast (9), an end of said mast is connected on the said pylon.
6. according to claim 5 can be automatically to many rotors wind-power generating system of wind, it is characterized in that said mast is 3-40.
7. according to claim 1 can be automatically to many rotors wind-power generating system of wind; Floating bearing (10) in the middle of it is characterized in that also comprising; Floating bearing is between A floating bearing and B floating bearing in the middle of said; The inner ring of floating bearing is fixed on the pylon in the middle of said, and the outer ring of said middle floating bearing is connected with said frame fixation, and the number of said middle floating bearing is 1-10.
According to claim 1 or 4 described can be automatically to many rotors wind-power generating system of wind, the power that it is characterized in that said wind energy conversion system is 0.5～500kW.
9. according to claim 8 can be automatically to many rotors wind-power generating system of wind, 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 |
|---|---|---|---|
| CN201110240631A CN102305188A (en) | 2011-08-19 | 2011-08-19 | Multi-rotor wind generating system capable of automatically facing wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110240631A CN102305188A (en) | 2011-08-19 | 2011-08-19 | Multi-rotor wind generating system capable of automatically facing wind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102305188A true CN102305188A (en) | 2012-01-04 |
Family
ID=45379085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110240631A Pending CN102305188A (en) | 2011-08-19 | 2011-08-19 | Multi-rotor wind generating system capable of automatically facing wind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102305188A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313893A (en) * | 2017-06-21 | 2017-11-03 | 夏士桀 | A kind of few and cost-effective high-efficiency wind driven generator group of floor space |
| US10711764B2 (en) | 2015-02-12 | 2020-07-14 | Vestas Wind Systems A/S | Control system for wind turbine having multiple rotors arranged to control support arm orientation |
| KR102313389B1 (en) * | 2021-04-22 | 2021-10-15 | (주)유진씨엔이 | Power generation device for street lamp power in substation |
| KR102313385B1 (en) * | 2021-04-22 | 2021-10-15 | (주)유진씨엔이 | Power generation device for storage of spare power in substation |
| US11466659B2 (en) | 2018-11-15 | 2022-10-11 | Vestas Wind Systems A/S | Yaw arrangement for a multirotor wind turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222813Y (en) * | 1994-06-07 | 1996-03-20 | 宿伟 | Combined wind-driven generator |
| WO1998032968A1 (en) * | 1997-01-24 | 1998-07-30 | Beheermaatschappij P. Buitendijk B.V. | Wind turbine |
| US20030170123A1 (en) * | 2002-03-07 | 2003-09-11 | William E. Heronemus | Vertical array wind turbine |
| GB2402109A (en) * | 2003-05-27 | 2004-12-01 | Ocean Synergy Ltd | Multiple turbine offshore support structure |
| WO2006111756A1 (en) * | 2005-04-20 | 2006-10-26 | Marine Current Turbines Limited | Improvements in or relating to supporting articles/loads |
| CN101813056A (en) * | 2009-09-19 | 2010-08-25 | 杜振义 | Multi-propeller wind driven generator |
-
2011
- 2011-08-19 CN CN201110240631A patent/CN102305188A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222813Y (en) * | 1994-06-07 | 1996-03-20 | 宿伟 | Combined wind-driven generator |
| WO1998032968A1 (en) * | 1997-01-24 | 1998-07-30 | Beheermaatschappij P. Buitendijk B.V. | Wind turbine |
| US20030170123A1 (en) * | 2002-03-07 | 2003-09-11 | William E. Heronemus | Vertical array wind turbine |
| GB2402109A (en) * | 2003-05-27 | 2004-12-01 | Ocean Synergy Ltd | Multiple turbine offshore support structure |
| WO2006111756A1 (en) * | 2005-04-20 | 2006-10-26 | Marine Current Turbines Limited | Improvements in or relating to supporting articles/loads |
| CN101813056A (en) * | 2009-09-19 | 2010-08-25 | 杜振义 | Multi-propeller wind driven generator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10711764B2 (en) | 2015-02-12 | 2020-07-14 | Vestas Wind Systems A/S | Control system for wind turbine having multiple rotors arranged to control support arm orientation |
| CN107313893A (en) * | 2017-06-21 | 2017-11-03 | 夏士桀 | A kind of few and cost-effective high-efficiency wind driven generator group of floor space |
| CN107313893B (en) * | 2017-06-21 | 2019-06-21 | 中广核楚雄牟定风力发电有限公司 | A kind of occupied area is few and the high-efficiency wind driven generator group of save the cost |
| US11466659B2 (en) | 2018-11-15 | 2022-10-11 | Vestas Wind Systems A/S | Yaw arrangement for a multirotor wind turbine |
| KR102313389B1 (en) * | 2021-04-22 | 2021-10-15 | (주)유진씨엔이 | Power generation device for street lamp power in substation |
| KR102313385B1 (en) * | 2021-04-22 | 2021-10-15 | (주)유진씨엔이 | Power generation device for storage of spare power in substation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8464990B2 (en) | Pole mounted rotation platform and wind power generator | |
| CN201443471U (en) | Circular horizontal axis wind generating set | |
| CN104612896A (en) | Offshore wind power generation typhoon-resistance control system | |
| CN102305188A (en) | Multi-rotor wind generating system capable of automatically facing wind | |
| CN101881256A (en) | Wind power generator | |
| CN102269113A (en) | Multi-rotor wind power generation system | |
| CN103511183A (en) | Vertical axis wind turbine | |
| CN101994652B (en) | Universal horizontal-shaft wind generating unit | |
| CN101852179B (en) | Multi-stage impeller wind-driven generator | |
| CN201574891U (en) | Wind-driven generator with multistage impellers | |
| CN102322400B (en) | Multi-rotor wind power generation system with tail vane | |
| CN100572798C (en) | Vertical wind power generator | |
| CN102305171A (en) | Multi-rotor wind generating system with connecting rods | |
| CN102305173B (en) | Multi-rotor wind generating system capable of automatically facing wind | |
| CN102305185A (en) | Multi-rotor wind generating system with suspenders | |
| CN102305186A (en) | Multi-rotor wind generating system | |
| CN104895743A (en) | Stacked three-dimensional wind-driven power generator | |
| CN102269116A (en) | Multi-rotor wind power generation system employing direct-current power transmission | |
| CN102322397A (en) | Multi-rotor wind power generation system with equal beam length | |
| CN102305189A (en) | Multi-rotor wind generating system provided with suspenders and capable of automatically facing wind | |
| CN102305187A (en) | Multi-rotor wind generating system provided with suspenders and capable of automatically facing wind | |
| KR100763752B1 (en) | Big system for wind power generator plant | |
| CN206368773U (en) | Honeycomb wind power station | |
| CN102269111A (en) | Multi-rotor wind power generator system with cantilever beam | |
| CN102305190A (en) | Multi-rotor wind generating system provided with horizontal connecting rods |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120104 |