CN104595109B - Wind-driven generator tackles the accessory system and method for high wind - Google Patents
Wind-driven generator tackles the accessory system and method for high wind Download PDFInfo
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- CN104595109B CN104595109B CN201510009395.6A CN201510009395A CN104595109B CN 104595109 B CN104595109 B CN 104595109B CN 201510009395 A CN201510009395 A CN 201510009395A CN 104595109 B CN104595109 B CN 104595109B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006378 damage Effects 0.000 claims abstract description 4
- 230000010485 coping Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0264—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
- F03D7/0268—Parking or storm protection
-
- 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 discloses the accessory system and method for a kind of wind-driven generator reply high wind, in the accessory system of wind-driven generator reply high wind, wind-driven generator includes wheel hub, polylith blade and brake, blade is connected with wheel hub, brake is used to make vane propeller-changing or hub reduction, what the system included being used for making leaf destruction smashes up device, for measuring the strain gauge and controller of blade upper stress situation, smash up device, strain gauge is all disposed within blade of wind-driven generator and coupled respectively with controller electric connection or telecommunication, controller obtains hub operation information by being electrically connected with the control system of wind-driven generator, brake information and wind speed information, controller is provided with alarm.It can make wind-driven generator have more flexible coping style when in face of high wind, can also lift the ability of wind-driven generator reply high wind and lift safety coefficient.
Description
Technical field
The present invention relates to the accessory system and method for a kind of wind-driven generator reply high wind.
Background technology
At present, when designing blower fan, it will ensure that maximum wind load that blower fan is subject to is less than design load/limit of blower fan
Load, to avoid blower fan from being damaged when meeting with high wind (including typhoon, cyclone etc.).To ensure peace of the blower fan in high wind
Entirely, existing fan design all uses passive mode --- and reduce length of blade and carried with reducing wind surface or enhancing blower fan structure
Resistance ultimate load capacity is risen, but these methods all sacrifice Wind turbines generated energy and increase the investment of equipment and foundation structure,
And when tackling super design standard high wind, blower fan overall security is in runaway condition.
The content of the invention
Based on this, the defects of it is an object of the invention to overcome prior art, there is provided a kind of wind-driven generator tackles high wind
Accessory system and method, it can make wind-driven generator have more flexible coping style when in face of high wind, can also lift wind
The ability of power generator reply high wind simultaneously lifts safety coefficient.
Its technical scheme is as follows：
A kind of accessory system of wind-driven generator reply high wind, wherein wind-driven generator include wheel hub, polylith blade and system
Dynamic device, blade are connected with wheel hub, and brake is used to make vane propeller-changing or hub reduction, it is characterised in that the system includes being used for
Make leaf destruction smashes up device, strain gauge and controller for measuring blade upper stress situation, smashes up device, stress
Sensor be all disposed within blade of wind-driven generator and respectively with controller be electrically connected with or telecommunication couple, controller by with wind
The control system of power generator is electrically connected with acquisition hub operation information, brake information and wind speed information, controller and is provided with
Alarm.
Preferably, the blade quantity is two to three pieces, all include on every piece of blade it is multiple be used to setting described smash up dress
The predeterminated position put.
Preferably, the scope of the predeterminated position is to farthest end at 1/10 of the wheel hub described in distance on the blade
End.
Preferably, the predeterminated position is the cross section smaller part on the blade.
Preferably, warning lamp and the display for display information, warning lamp and the report are additionally provided with the controller
Alert device is corresponding.
A kind of method for wind-driven generator reply high wind is additionally provided, is comprised the following steps：Strain gauge obtains
Stress information on blade of wind-driven generator simultaneously sends controller to, and the control system of wind-driven generator is by wind-driven generator
Hub operation information, brake information send controller to；
Controller contrasted the hub operation information of acquisition and the hub rotation speed of internal preset and the early warning value of load,
By the brake information of acquisition analyzed and judge its operation whether failure, the wind by the wind speed information of acquisition and internal preset
The early warning value of speed is contrasted, and the early warning value of the stress information of acquisition and the blade loading of internal preset is contrasted；
If hub operation presentation of information hub rotation speed and load have met or exceeded its early warning value, or brake information shows
Show brake failure, either wind speed information shows that wind speed has met or exceeded its early warning value or stress information shows that blade carries
Lotus has met or exceeded its early warning value, and controller can all control alarm to be alarmed；
Controller, which starts, smashes up device；
Smashing up device makes blade be broken at the setting for smashing up device.
Wherein, also comprise the following steps：Controller is obtaining hub operation information, brake information and wind speed information, answered
During force information, display shows hub operation information, brake information, wind speed information, stress information.Controller controls
When alarm is alarmed, while it can also start warning lamp and be warned.
The advantages of below to preceding solution or principle illustrate：
The accessory system and method for above-mentioned wind-driven generator reply high wind, pass through the control system of controller and wind-driven generator
System UNICOM and obtain the hub operation information on wind-driven generator, brake information obtains wind-driven generator by strain gauge
Stress information on blade.If hub operation presentation of information hub rotation speed and load have met or exceeded its early warning value, or system
Device presentation of information brake failure is moved, either wind speed information shows that wind speed has met or exceeded its early warning value or stress information
Display blade loading has met or exceeded its early warning value, and controller can all control alarm to be alarmed, and staff is hearing
Alarm or after seeing warning lamp, then smash up dress by other data cases of high wind to decide whether to start by controller
Put.If startup smashes up device and smashes up blade, the contact area of the wind-driven generator and wind that lose blade greatly reduces, so as to pole
The earth reduces active force of the wind to wind-driven generator, just greatly improves the safety coefficient of the wind-driven generator, treats high wind
Past, the blade more renewed.If finding to smash up device without starting by analysis, blade just need not be destroyed.So that can
Make wind-driven generator that there is more flexible coping style when in face of high wind, can also lift the ability of wind-driven generator reply high wind
And lift safety coefficient.
Brief description of the drawings
Fig. 1 is the structural representation of the accessory system of the wind-driven generator reply high wind described in the embodiment of the present invention；
Fig. 2 is the principle schematic of the accessory system of the wind-driven generator reply high wind described in the embodiment of the present invention；
Description of reference numerals：
10th, controller, 11, smash up device, 12, strain gauge, 20, wind-driven generator, 21, blade, 22, wheel hub, 23,
The control system of wind-driven generator.
Embodiment
Embodiments of the invention are described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1-2, the accessory system of high wind is tackled for a kind of wind-driven generator, wherein wind-driven generator 20 includes wheel
Hub 22, polylith blade 21 and brake, blade 21 are connected with wheel hub 22, and brake is connected with wheel hub 22 for making vane propeller-changing
(making blade steering to adjust wind surface) or wheel hub 22 slow down, the system include be used for make blade 21 be broken smash up device 11,
For measuring the strain gauge 12 and controller 10 of the upper stress situation of blade 21, device 11 is smashed up, strain gauge 12 is all set
Put on blade of wind-driven generator 21 and be electrically connected with respectively with controller 10 or telecommunication couples, controller 10 with wind-force by sending out
The control system 23 of motor, which is electrically connected with, obtains the operation information of wheel hub 22, brake information and wind speed information, is set on controller 10
There is alarm.
In the present embodiment, the quantity of blade 21 is three pieces, is all included on every piece of blade 21 multiple for setting described smash up
The predeterminated position of device 11, the setting scope of the predeterminated position be on blade 21 at the 1/10 of wheel hub 22 to farthest end
End, smash up depending on position meeting foundation local environment situation of the device 11 on blade 21, in addition, smashing up dress on three pieces of blades 21
Putting 11 also may not necessarily be in same precalculated position.This can ensure blade 21 by smashed up fracture after its be broken part when dropping not
Wind-driven generator 20 can be damaged to (three pieces of blades are different in present position that time smashed up).In addition, on controller
Warning lamp and the display for display information are additionally provided with, warning lamp is corresponding with alarm.
A kind of method for wind-driven generator reply high wind, comprise the following steps：
Controller 10 obtained by the control system 23 of wind-driven generator the operation information of wheel hub 22 on wind-driven generator 20,
Brake information, the stress information on blade of wind-driven generator 21 is obtained by strain gauge 12, and controller 10 can be passed through
On display show；
Controller 10 enters the early warning value of the rotating speed of wheel hub 22 and load of the operation information of wheel hub 22 of acquisition and internal preset
Row contrast, the brake information of acquisition carried out analysis judge its run whether the failure, wind speed information of acquisition and inside is pre-
If the early warning value of wind speed contrasted, the early warning value of the stress information of acquisition and the load of the blade of internal preset 21 is carried out pair
Than；
If the operation information of wheel hub 22 shows the rotating speed of wheel hub 22 and load has met or exceeded its early warning value, or brake letter
Breath shows brake failure, and either wind speed information shows that wind speed has met or exceeded its early warning value or stress information shows leaf
The load of piece 21 has met or exceeded early warning value, and controller 10 can all control alarm to be alarmed, while can also start warning lamp
Warned；
Staff decides whether to after hearing alarm or seeing warning lamp, then by other data cases of high wind
Started by controller 10 and smash up device 11 on each blade 21.In addition, when the above-mentioned operation information of wheel hub 22, brake are believed
Breath, wind speed information, stress information all show that then automatic start smashes up device 11 to controller 10 when exceeding early warning value or failure simultaneously
Blade 21 is set to be broken in predetermined position.
The accessory system of high wind is tackled by above-mentioned wind-driven generator, wind-driven generator 20 has more when in face of high wind
Flexible coping style, if the destructive power of high wind is really too big, comprehensive each side data are it has also been found that can be to wind-driven generator 20
Cause to damage, can start and smash up device 11 and smash up blade 21, lose the wind-driven generator 20 of blade 21 and the contact surface of wind
Product greatly reduces, and so as to greatly reduce active force of the wind to wind-driven generator 20, just greatly improves the wind-power electricity generation
The safety coefficient of machine 20, treat that high wind is gone over, the blade 21 more renewed；If find to smash up device without starting by analysis
11, it just need not destroy blade 21.Therefore, for existing wind-driven generator, the accessory system can greatly lift them and tackle
The ability of high wind；Design for novel fan, it can not have to reduce blade 21 for the safety coefficient being lifted in high wind
Length reduces wind surface, and this has just ensured the electricity generation efficiency of wind-driven generator, can also not have to lift resistance ultimate load
And enhancing blower fan structure is researched and developed, this has just saved cost of investment.So that the more conducively construction and popularization of wind-driven generator.
Embodiment described above only expresses the embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, for example, controller 10 is carried out
Extension set sets or is incorporated to controller 10 control system 23 of wind-driven generator medium, and these belong to the protection model of the present invention
Enclose.
Claims (8)
1. a kind of accessory system of wind-driven generator reply high wind, wherein wind-driven generator include wheel hub, polylith blade and braking
Device, blade are connected with wheel hub, and brake is used to make vane propeller-changing or hub reduction, it is characterised in that the system includes being used to make
Leaf destruction smashes up device, strain gauge and controller for measuring blade upper stress situation, smashes up device, stress passes
Sensor be all disposed within blade of wind-driven generator and respectively with controller be electrically connected with or telecommunication couple, controller by with wind-force
The control system of generator, which is electrically connected with, obtains hub operation information, brake information and wind speed information, and controller is provided with report
Alert device.
2. the accessory system of wind-driven generator reply high wind according to claim 1, it is characterised in that the blade quantity
All include multiple being used to set the predeterminated position for smashing up device for two to three pieces, on every piece of blade.
3. the accessory system of wind-driven generator reply high wind according to claim 2, it is characterised in that the predeterminated position
Setting scope at 1/10 of the wheel hub described in distance on the blade to farthest end.
4. the accessory system of wind-driven generator reply high wind according to claim 2, it is characterised in that the predeterminated position
For the cross section smaller part on the blade.
5. the accessory system of wind-driven generator reply high wind according to any one of claim 1 to 4, it is characterised in that
Warning lamp and the display for display information are additionally provided with the controller, warning lamp is corresponding with the alarm.
A kind of 6. side of the accessory system for the wind-driven generator reply high wind applied as described in above-mentioned any one of claim 1 to 5
Method, it is characterised in that comprise the following steps：
Strain gauge obtains the stress information on blade of wind-driven generator and sends controller to, the control system of wind-driven generator
System sends hub operation information, brake information and the wind speed information on wind-driven generator to controller；
The hub operation information of acquisition and the hub rotation speed of internal preset and the early warning value of load are contrasted, will obtained by controller
The brake information taken analyzed and judge its operation whether failure, by the wind speed of the wind speed information of acquisition and internal preset
Early warning value is contrasted, and the early warning value of the stress information of acquisition and the blade loading of internal preset is contrasted；
If hub operation presentation of information hub rotation speed and load have met or exceeded its early warning value, or brake information display system
Dynamic device failure, either wind speed information display wind speed has met or exceeded its early warning value or stress information shows that blade loading reaches
To or exceeded its early warning value, controller can all control alarm to be alarmed；
Controller, which starts, smashes up device；
Smashing up device makes blade be broken at the setting for smashing up device.
7. according to the method for claim 6, it is characterised in that also comprise the following steps：Controller is obtaining hub operation
When information, brake information and wind speed information, stress information, display believes hub operation information, brake information, wind speed
Breath, stress information are shown.
8. according to the method for claim 6, it is characterised in that also comprise the following steps：Controller control alarm is carried out
During alarm, while it can also start warning lamp and be warned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009395.6A CN104595109B (en) | 2015-01-07 | 2015-01-07 | Wind-driven generator tackles the accessory system and method for high wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009395.6A CN104595109B (en) | 2015-01-07 | 2015-01-07 | Wind-driven generator tackles the accessory system and method for high wind |
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| Publication Number | Publication Date |
|---|---|
| CN104595109A CN104595109A (en) | 2015-05-06 |
| CN104595109B true CN104595109B (en) | 2017-11-10 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156266A (en) * | 2015-09-14 | 2015-12-16 | 华锐风电科技(集团)股份有限公司 | Wind generator set blade and wind generator set |
| US10012213B2 (en) * | 2016-02-04 | 2018-07-03 | General Electric Company | System and method for upgrading multivendor wind turbines |
| CN105822495B (en) * | 2016-04-01 | 2018-09-25 | 长乐致远技术开发有限公司 | A kind of Wind turbines |
| CN107630784B (en) * | 2017-09-22 | 2019-05-07 | 上海致远绿色能源股份有限公司 | A kind of closing method for fixed pitch wind power generating set |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4730704B2 (en) * | 2005-05-31 | 2011-07-20 | 東京電力株式会社 | Blade structure |
| CN102182648A (en) * | 2011-05-06 | 2011-09-14 | 保定华翼风电叶片研究开发有限公司 | Wind driven generator and blades thereof |
| CN102269117B (en) * | 2011-07-05 | 2013-09-18 | 浙江运达风电股份有限公司 | Paddle of wind power generating set and wind power generating set |
| CN204402760U (en) * | 2015-01-07 | 2015-06-17 | 中国能源建设集团广东省电力设计研究院有限公司 | The auxiliary system of wind-driven generator reply high wind |
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