CN106870295A - A kind of Anti-Typhoon inexpensive tower control system - Google Patents
A kind of Anti-Typhoon inexpensive tower control system Download PDFInfo
- Publication number
- CN106870295A CN106870295A CN201710102662.3A CN201710102662A CN106870295A CN 106870295 A CN106870295 A CN 106870295A CN 201710102662 A CN201710102662 A CN 201710102662A CN 106870295 A CN106870295 A CN 106870295A
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- CN
- China
- Prior art keywords
- tower
- control system
- suspension cable
- typhoon
- wind
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/107—Purpose of the control system to cope with emergencies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/321—Wind directions
-
- 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
-
- 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
- Y02E10/728—Onshore wind turbines
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Bridges Or Land Bridges (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to wind power generation field, and in particular to a kind of Anti-Typhoon inexpensive tower control system.A kind of Anti-Typhoon inexpensive tower control system is main to be made up of tower and the suspension cable for possessing automatic control function.It is characterized in that around tower uniform 6 suspension cables for possessing automatic control function, per skew cables in vertical direction with certain angle, one end is connected with atop a tower, and the other end is connected with ground, and by control system realize suspension cable tensioning or relax.According to wind direction and wind load size, tensioning is set up by the suspension cable for possessing automatic control function and is made a concerted effort, obtain optimal wind resistance effect.When wind driven generator yaw, by control system, suspension cable can be made not interfere with wind wheel, and re-establish tensioning to make a concerted effort.The Anti-Typhoon inexpensive tower control system revolutionizes hanging wall construction of the leeward to blower fan tower barrel, and tower stress level is effectively reduced at lower cost, improves tower stress distribution, improves tower structural reliability.
Description
Technical field
The present invention relates to wind power generation field, and in particular to it is a kind of suitable for Anti-Typhoon inexpensive tower from leeward to blower fan
Control system.
Background technology
Regenerative resource is the important component of energy supply system.At present, global regenerative resource develops rule
Mould constantly expands, application cost rapid decrease, and Renewable Energy Development has turned into the core of many country's propulsion energy transition
Hold and tackle the important channel of climate change, be also China's propulsion production of energy and consumption revolution, promote the important of energy transition
Measure.Wind energy is a kind of important regenerative resource, and rich reserves, cleanliness without any pollution is increasingly paid attention to by countries in the world.
During " 13 ", China expands comprehensive layout to wind-powered electricity generation field, and land-sea is entered together, collecting and distributing to develop simultaneously, to the year two thousand twenty bottom, national wind
The grid-connected installation of electricity ensures to reach more than 2.1 hundred million kilowatts.
Wind-driven generator is the Core equipment of wind-power electricity generation.By wind wheel and the difference of pylon relative position, wind-driven generator
Have upwind and lower wind direction point.Observed along wind direction, wind wheel rotates windward before tower, is called upwind wind-power electricity generation
Machine；Wind wheel is arranged on behind tower, and wind first passes through tower, then to wind wheel, then referred to as leeward direction wind-driven generator.Upwind blower fan
In the absence of tower shadow effect, but there must be certain device for regulating direction to keep wind wheel windward.There is tower shadow effect in leeward, influence to blower fan
Exerting oneself for wind-driven generator, has declined performance, but can automatically be directed at wind direction, so as to eliminate device for regulating direction.In addition, in wind
In the presence of load, the blade of upwind blower fan has the trend of deflection tower, and leeward has becoming away from tower to the blade of blower fan
Gesture.Under the conditions of typhoon, the blade of upwind blower fan is possible to interfere and cause blower fan badly damaged with tower, and leeward is to blower fan
Blade due to away from tower without above-mentioned risk.Thus, leeward has uniqueness to blower fan in Anti-Typhoon design
Advantage.
Tower is one of critical component of wind-driven generator, is involved great expense, and cost accounts for wind-driven generator totality cost
25% or so.Tower supports cabin and wind wheel, and its structural reliability is to ensure that one of key factor that wind-power electricity generation is normally carried out.
Tower belongs to dominant type hanging wall construction, in addition to by self gravitation effect, gravity, tower body wind load also by cabin and wind wheel,
The effect of the load such as aerodynamic force, deflecting force, gyro power and the gyroscopic couple on tower top is acted on by wind wheel.In typhoon condition
Under, it is a kind of serious failure mode of wind-driven generator that tower fractures, and the loss for thus bringing is 3 times of left sides of tower cost taken by themselves
It is right.Thus, how to reduce tower cost, improve tower structural reliability, it is one of key technical problem that wind-powered electricity generation industry faces.
At present, tower structural reliability is improved mainly using increase tower self-strength, increase connector intensity, reduction tower
The methods such as cylinder height.Increase tower self-strength and connector intensity certainly will increase cost, and reducing tower height certainly will influence wind
The daily efficiency of operation of power generator group.The technology general character of above-mentioned corrective measure is exactly the cantilever design for not changing existing tower,
And hanging wall construction is precisely the key factor for causing tower cost and structural reliability contradiction.
The content of the invention
Shortcoming and defect it is an object of the invention to overcome existing tower reinforcement technique, propose it is a kind of it is brand-new it is feasible,
Suitable for leeward to the Anti-Typhoon inexpensive tower control system of blower fan, tower stress level is effectively reduced at lower cost, change
Kind tower stress distribution, improves tower structural reliability, reduces its crash rate under extreme loads.
To achieve these goals, the present invention is adopted the following technical scheme that：It is a kind of suitable for leeward to the Anti-Typhoon of blower fan
Inexpensive tower control system is main to be made up of tower and the suspension cable for possessing control function.It is characterized in that around tower
The skew cables of cloth 6, per skew cables in vertical direction with certain angle, one end is connected with atop a tower, and the other end connects with ground
Connect, and the tensioning of suspension cable or lax is realized by control system.
With suspension cable in the projection line of horizontal plane and the middle separated time of adjacent two projection lines angle as border, will be same with tower
The cylindrical space of the heart is divided into 12 regions in the projection average of horizontal plane, and the central angle in each region is 30 °.With with wind direction one
It is reference to cause and cross ray of the tower in the horizontal plane projection center of circle, chooses nearest border, be with this border it is symmetrical, to the left and right
Each 60 ° of scanning, obtains 120 ° of scanning area.In the presence of control system, the suspension cable positioned at the scanning area is tensioned, its
Remaining suspension cable relaxes, so as to form tensioning make a concerted effort.
When above-mentioned ray is fallen at the 1/4 of two suspension cables projection angle just, it is projected as symmetrically with nearest suspension cable,
It is scanned as stated above, is tensioned and relaxes, forms tensioning and make a concerted effort.
The tensile force of scanning area suspension cable is adjusted by control system, on the premise of mechanical property is met, makes tensioning
Balance wind load to greatest extent with joint efforts, optimal wind resistance effect can be obtained.
When wind vector, wind driven generator yaw, under control system effect, the suspension cable in region of going off course is further loose
Relax, avoid the wind wheel of During yaw.
With driftage behavior synchronization, the scanning of suspension cable is completed in the presence of control system, is tensioned and is relaxed.
In During yaw, when the avoidance behavior of suspension cable conflicts with tensioning behavior, suspension cable pair is paid the utmost attention to
The avoidance behavior of wind wheel, completes to perform tensioning task again after avoiding, and sets up tensile force.
Compared with prior art, the invention has the advantages that：
(1) hanging wall construction of existing blower fan tower barrel is changed, the structural reliability of tower is improve at lower cost, reduced
Tower crash rate under the conditions of typhoon, improves survival ability of the blower fan under extreme loads；
(2) by automatic control function, suspension cable tensioning or lax is determined according to wind direction, according to wind load size adjustment oblique pull
The tensile force of rope, sets up tensioning and makes a concerted effort, and obtains optimal wind resistance effect；
(3) by automatic control function, the avoidance of During yaw Leaf and suspension cable is smoothly realized, and become according to wind direction
Change re-establishes tensioning and makes a concerted effort, and obtains optimal wind resistance effect.
Brief description of the drawings
Fig. 1 is to equip the leeward of Anti-Typhoon inexpensive tower control system aweather owner's view
Fig. 2 is Anti-Typhoon inexpensive tower control system top view
Fig. 3 is subregion schematic diagram of the cylindrical space concentric with tower in horizontal plane
Fig. 4 is that suspension cable tensioning is made a concerted effort relative to the deflection angle variation diagram of wind direction
Fig. 5 is fan yaw process suspension cable control schematic diagram
Wherein：1. wind wheel, 2. cabin, 3. tower, 4. tensioning state suspension cable, 5. relaxed state suspension cable.
Specific embodiment
Below in conjunction with accompanying drawing and specific implementation case, the present invention will be described in detail.
Referring to the drawings 1, the Anti-Typhoon inexpensive tower control system in the implementation case is by tower 3, tensioning state oblique pull
Rope 4, relaxed state suspension cable 5 are constituted.Tensioning state suspension cable 4 is located at wind inflow region, and relaxed state suspension cable 5 is located at distinguished and admirable
Go out region, the projection that tensioning is made a concerted effort in the horizontal direction is opposite with wind direction.Tower week is distributed in referring concurrently to the skew cables of accompanying drawing 2,6
Enclose, per skew cables in vertical direction with certain angle, one end is connected with atop a tower, and the other end is connected with ground.
Refer to the attached drawing 3, suspension cable is designated as L1, L2, L3, L4, L5, L6, adjacent projections wire clamp angle in the projection line of horizontal plane
Middle separated time be designated as M1, M2, M3, M4, M5, M6, with L1, M1, L2, M2, L3, M3, L4, M4, L5, M5, L6, M6 as border, will
The cylindrical space concentric with tower is divided into 12 regions in the projection average of horizontal plane, and the central angle in each region is 30 °.With with
Wind direction is consistent and to cross the ray W in tower axle center be reference, chooses nearest border (being L1 in this example), be with this border it is symmetrical,
Each 60 ° of scanning, obtains 120 ° of scanning area to the left and right.In the presence of control system, positioned at the suspension cable of the scanning area
Tensioning (being L1, L2, L6 in this example), remaining suspension cable is lax (being L3, L4, L5 in this example), so as to form tensioning make a concerted effort.When
Ray W falls when at the 1/4 of two suspension cables projection angle (such as the midpoint of circular arc L1M1) just, is thrown with nearest suspension cable
Shadow is symmetrical (being L1 in this example), is scanned as stated above, is tensioned and relaxes.
Refer to the attached drawing 4, with wind direction W as reference, tensioning makes a concerted effort to change between F1 and F2 in the projecting direction of horizontal plane, F1
It is two limiting cases with F2,165 ° and 195 ° is respectively with the angle of wind direction W, wind load will be resisted with 96.59% component.
F0 is ideal situation, is 180 ° with the angle of wind direction W, and 100% is used for resist wind load.Suspension cable is adjusted by control system
Tensile force, can obtain optimal wind resistance effect.
Refer to the attached drawing 1 and accompanying drawing 5, when wind vector, wind-driven generator perform driftage task, in control system effect
Under, the suspension cable in region of going off course relaxes (being L5 in this example) enough, avoids wind wheel.With driftage behavior synchronization, in control system
The scanning of suspension cable is completed under effect, is tensioned and lax.In During yaw, when avoidance behavior and the tensioning behavior hair of suspension cable
During raw contradiction, avoidance behavior of the suspension cable to wind wheel is paid the utmost attention to, complete to perform tensioning task again after avoiding, set up tensile force.
Claims (7)
1. a kind of Anti-Typhoon inexpensive tower control system, it is characterised in that：A kind of Anti-Typhoon inexpensive tower control system master
To be made up of tower and suspension cable, uniform 6 suspension cables for possessing automatic control function around tower, per skew cables with it is perpendicular
To forming an angle, one end is connected Nogata with atop a tower, and the other end is connected with ground, and realizes suspension cable by control system
Tensioning or lax.
2. a kind of Anti-Typhoon inexpensive tower control system according to claims 1, it is characterised in that：Existed with suspension cable
The middle separated time of the projection line of horizontal plane and adjacent two projection lines angle is border, by the cylindrical space concentric with tower in level
The projection average in face is divided into 12 regions, and the central angle in each region is 30 °.With and excessively tower consistent with wind direction in horizontal plane
The ray for projecting the center of circle is reference, chooses nearest border, is symmetrical with this border, and each 60 ° of scanning, obtains 120 ° to the left and right
Scanning area.In the presence of control system, the suspension cable positioned at the scanning area is tensioned, and remaining suspension cable relaxes, so that
Tensioning is formed to make a concerted effort.
3. a kind of Anti-Typhoon inexpensive tower control system according to claims 1, it is characterised in that：Work as claim
Ray described in book 2 is fallen when at the 1/4 of two suspension cables projection angle just, is projected as symmetrically, by power with nearest suspension cable
Method described in sharp claim 2 is scanned, is tensioned and relaxes, and forms tensioning and makes a concerted effort.
4. a kind of Anti-Typhoon inexpensive tower control system according to claims 1, it is characterised in that：By controlling system
The tensile force of system regulation suspension cable, can obtain optimal wind resistance effect.
5. a kind of Anti-Typhoon inexpensive tower control system according to claims 1, it is characterised in that：When wind direction becomes
When change, wind-driven generator perform driftage task, under control system effect, the suspension cable in region of going off course further relaxes, and avoids
The wind wheel of During yaw.
6. a kind of Anti-Typhoon inexpensive tower control system according to claims 1, it is characterised in that：With driftage behavior
It is synchronous, the scanning of suspension cable is completed in the presence of control system, is tensioned and is relaxed.
7. a kind of Anti-Typhoon inexpensive tower control system according to claims 1, it is characterised in that：In During yaw
In, when the avoidance behavior of suspension cable conflicts with tensioning behavior, avoidance behavior of the suspension cable to wind wheel is paid the utmost attention to, complete
Tensioning task is performed after avoidance again, tensile force is set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102662.3A CN106870295A (en) | 2017-02-24 | 2017-02-24 | A kind of Anti-Typhoon inexpensive tower control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710102662.3A CN106870295A (en) | 2017-02-24 | 2017-02-24 | A kind of Anti-Typhoon inexpensive tower control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870295A true CN106870295A (en) | 2017-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710102662.3A Pending CN106870295A (en) | 2017-02-24 | 2017-02-24 | A kind of Anti-Typhoon inexpensive tower control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084097A (en) * | 2017-06-05 | 2017-08-22 | 西北工业大学 | The Anti-Typhoon inexpensive tower control system of upwind |
| CN107905946A (en) * | 2017-10-23 | 2018-04-13 | 西北工业大学 | A kind of passive load reduction control system of Anti-Typhoon master of offshore wind farm |
| CN110043425A (en) * | 2019-04-24 | 2019-07-23 | 河海大学 | A kind of offshore floating type multi-wind wheel wind energy conversion system active yawing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2838239A1 (en) * | 1978-09-01 | 1980-03-06 | Maschf Augsburg Nuernberg Ag | Guyed tower with raisable and lowerable head - has several guying cables linked to move up and down with head |
| CN201190632Y (en) * | 2008-03-25 | 2009-02-04 | 广州翔曦能源科技有限公司 | Wind-proof type wind generating set |
| CN202001194U (en) * | 2010-12-27 | 2011-10-05 | 浙江大学 | Strong wind-resisting deployable cable and tower-shaped wind driven generator |
| CN202391653U (en) * | 2011-11-21 | 2012-08-22 | 李泽宇 | Wind turbine generator system |
| CN103669967A (en) * | 2012-09-21 | 2014-03-26 | 欧罗斯泰公司 | Hybrid tower structure and method for building the same |
-
2017
- 2017-02-24 CN CN201710102662.3A patent/CN106870295A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2838239A1 (en) * | 1978-09-01 | 1980-03-06 | Maschf Augsburg Nuernberg Ag | Guyed tower with raisable and lowerable head - has several guying cables linked to move up and down with head |
| CN201190632Y (en) * | 2008-03-25 | 2009-02-04 | 广州翔曦能源科技有限公司 | Wind-proof type wind generating set |
| CN202001194U (en) * | 2010-12-27 | 2011-10-05 | 浙江大学 | Strong wind-resisting deployable cable and tower-shaped wind driven generator |
| CN202391653U (en) * | 2011-11-21 | 2012-08-22 | 李泽宇 | Wind turbine generator system |
| CN103669967A (en) * | 2012-09-21 | 2014-03-26 | 欧罗斯泰公司 | Hybrid tower structure and method for building the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084097A (en) * | 2017-06-05 | 2017-08-22 | 西北工业大学 | The Anti-Typhoon inexpensive tower control system of upwind |
| CN107905946A (en) * | 2017-10-23 | 2018-04-13 | 西北工业大学 | A kind of passive load reduction control system of Anti-Typhoon master of offshore wind farm |
| CN110043425A (en) * | 2019-04-24 | 2019-07-23 | 河海大学 | A kind of offshore floating type multi-wind wheel wind energy conversion system active yawing system |
| CN110043425B (en) * | 2019-04-24 | 2020-12-29 | 河海大学 | Active yawing system of offshore floating type multi-wind-wheel wind turbine |
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Application publication date: 20170620 |