CN103163325B - A kind of method that wind-force detects, wind-force detector and aerogenerator - Google Patents
A kind of method that wind-force detects, wind-force detector and aerogenerator Download PDFInfo
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- CN103163325B CN103163325B CN201110416749.0A CN201110416749A CN103163325B CN 103163325 B CN103163325 B CN 103163325B CN 201110416749 A CN201110416749 A CN 201110416749A CN 103163325 B CN103163325 B CN 103163325B
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Abstract
The invention provides method, wind-force detector and aerogenerator that a kind of wind-force detects, wherein, the method that wind-force the detects check point comprised on detection rotary part is in mechanical signal during at least two predeterminated positions; The wind direction of wind-force is obtained according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.In above-described embodiment provided by the invention, mechanical signal when being at least two predeterminated positions by the check point detected on rotary part, can the mechanical signal that produces of the wind-force that carries in rotary course of direct-detection rotary part, the degree of accuracy acting on the mechanical signal on blade detected is high, error is little, then can calculate the high wind direction of degree of accuracy according to above-mentioned mechanical signal.
Description
Technical field
The present invention relates to the technical field of wind-power electricity generation, particularly, relate to method, wind-force detector and aerogenerator that a kind of wind-force detects.
Background technology
Wind energy, as a kind of clean regenerative resource, is more and more subject to the attention of countries in the world.THE WIND ENERGY RESOURCES IN CHINA is enriched, and utilizes having a high potential of wind power generation.
Now, people use aerogenerator to be electric energy by Wind resource change usually.Fig. 1 is the structural representation of prior art aerogenerator.As shown in Figure 1, aerogenerator comprises: blade 101, kuppe 102, generator 103, engine room cover 104, pylon 105, column foot 106 and wind-force detector 107.Wind-force acts on blade 101 with speed at a certain angle, makes blade 101 produce turning moment and rotate, thus is mechanical energy by Wind resource change, and the blade 101 of rotation will drive the electrical power generators on pylon 104, and realizing Wind resource change is electric energy.
In the course of work of aerogenerator, the quantity of aerogenerator capturing wind energy becomes cube relation with wind speed, and the rotation axis of kuppe 102 and the angle of wind direction also affect the efficiency of aerogenerator capturing wind energy; When there is angle between the rotation axis and wind direction of kuppe 102, the efficiency of aerogenerator aerogenerator capturing wind energy will be reduced, simultaneously, when there is angle between the rotation axis of kuppe 102 and wind direction, the wind-force of deflection can produce a very large partial load to aerogenerator, reduces the serviceable life of aerogenerator.So the wind-force parameters such as Obtaining Accurate wind direction and wind speed, generating efficiency and serviceable life etc. for aerogenerator are all most important.
In prior art, wind-force detector 107 generally includes weathervane and anemoscope, weathervane and anemoscope is used to detect the wind-force such as wind direction and wind speed parameter, wind-force detector 107 is arranged in impeller 101 engine room cover 104 below, because air-flow just arrives wind-force detector 107 after the stop of impeller 101 or interference, therefore the wind-force parameter such as wind speed and direction all changes, so the wind-force parameter degree of accuracy such as the wind speed and direction that wind-force detector 107 obtains are low, error is large.
Summary of the invention
For solving the problem, the invention provides method, wind-force detector and aerogenerator that a kind of wind-force detects, for solving the problem that wind-force parameter degree of accuracy is low, error is large detected in prior art.
For this reason, the invention provides a kind of method that wind-force detects, wherein, comprising:
The check point detected on rotary part is in mechanical signal during at least two predeterminated positions;
The wind direction of wind-force is obtained according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.
Wherein, the method that described wind-force detects also comprises:
The wind speed of wind-force is obtained according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.
Wherein, described at least two predeterminated positions comprise:
Primary importance and the second place;
Described primary importance and the second place are respectively the position that when described check point rotates, the circumference of process is crossing with this circumference diameter in the horizontal direction.
Wherein, described at least two predeterminated positions also comprise:
3rd position and the 4th position;
Circumference and this circumference that described 3rd position and the 4th position are respectively process when described check point rotates are in the crossing position of the diameter of vertical direction.
Wherein, the mechanical signal when check point on described detection rotary part is at least two predeterminated positions comprises:
Detect the position signalling of the check point on described rotary part;
When check point on described rotary part is in predeterminated position, detect the mechanical signal of described check point.
Wherein, the position signalling of the check point on the described rotary part of described detection comprises:
The position signalling of the check point on described rotary part is detected by acceleration transducer;
When the acceleration that described acceleration transducer detects is level-preset value, the check point identified on described rotary part is in described primary importance and the second place.
Wherein, the mechanical signal of described check point comprises:
At least one in the pressure signal of described check point, pulling force signal and pressure signal.
Wherein, described rotary part is the kuppe of aerogenerator.
The present invention also provides a kind of wind-force detector, comprising:
Mechanics sensor, the mechanical signal when the check point detected on rotary part is at least two predeterminated positions;
Signal processor, for obtaining the wind direction of wind-force according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.
Wherein, described signal processor also for:
The wind speed of wind-force is obtained according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.
Wherein, described mechanics sensor comprises:
At least one in pressure transducer, pulling force sensor and pressure transducer;
Described pressure transducer, pulling force sensor and pressure transducer are respectively used to detect the pressure signal of described check point, pulling force signal and pressure signal.
Wherein, described wind-force detector also comprises:
Position transducer, for detecting the position signalling of the check point on described rotary part;
When the position signalling detected based on described position transducer determines that the check point on described rotary part is in predeterminated position, described mechanics sensor detects the mechanical signal of described check point.
Wherein, described position transducer comprises:
Acceleration transducer, when the acceleration that described acceleration transducer detects is level-preset value, the check point identified on described rotary part is in primary importance and the second place;
Described primary importance and the second place are respectively the position that when described check point rotates, the circumference of process is crossing with this circumference diameter in the horizontal direction.
Wherein, described wind-force detector also comprises:
Framework, described mechanics sensor and position transducer are installed on said frame.
Wherein, described framework is right cylinder, and described mechanics sensor comprises pressure transducer and/or pulling force sensor;
Described mechanics sensor and position transducer are arranged on the surface of described framework.
Wherein, described framework is right cylinder, and described mechanics sensor comprises pressure transducer;
Described position transducer is arranged on the surface of described framework;
Described pressure transducer is arranged on the inside of described framework, and is contacted with outer gas stream by through hole.
Wherein, described framework comprises the right cylinder and flat board that are fixedly connected with, and described mechanics sensor comprises pressure transducer and/or pulling force sensor;
Described mechanics sensor and position transducer are arranged on the surface of described framework.
Wherein, described framework comprises the right cylinder and flat board that are fixedly connected with, and described mechanics sensor comprises pressure transducer;
Described position transducer is arranged on the surface of described framework;
Described pressure transducer is arranged on the inside of described framework, and is contacted with outer gas stream by through hole.
The present invention also provides a kind of aerogenerator, wherein, comprises any one above-mentioned wind-force detector.
The present invention has following beneficial effect:
The method that wind-force provided by the invention detects, mechanical signal when being at least two predeterminated positions by the check point detected on rotary part, can the mechanical signal that produces of the wind-force that carries in rotary course of direct-detection rotary part, on the rotary part detected, the degree of accuracy of mechanical signal is high, error is little, then can calculate the high wind direction of degree of accuracy according to above-mentioned mechanical signal.
Wind-force detector provided by the invention, the check point detected on rotary part by mechanics sensor is in mechanical signal during at least two predeterminated positions, can the mechanical signal that produces of the wind-force that carries in rotary course of direct-detection rotary part, on the rotary part detected, the degree of accuracy of mechanical signal is high, error is little, then can calculate the high wind direction of degree of accuracy according to above-mentioned mechanical signal.
Aerogenerator provided by the invention, by wind-force detector being arranged on the upwind of blade, with improve that wind-force detector detects act on blade wind-force parameter time degree of accuracy, aerogenerator according to rotation axis during wind-force parameter adjustment vane rotary with parallel with wind direction, thus improve the generating efficiency of aerogenerator, reduce the partial load of aerogenerator, extend the serviceable life of aerogenerator.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art aerogenerator;
Fig. 2 is the process flow diagram of method first embodiment that wind-force of the present invention detects;
Fig. 3 is the process flow diagram of method second embodiment that wind-force of the present invention detects;
Fig. 4 is the movement locus schematic diagram of check point in the present embodiment;
Fig. 5 is the structural representation of wind-force detector first embodiment of the present invention;
Fig. 6 is the structural representation of wind-force detector second embodiment of the present invention;
Fig. 7 is the structural representation of wind-force detector the 3rd embodiment of the present invention;
Fig. 8 is the structural representation of wind-force detector the 4th embodiment of the present invention;
Fig. 9 is the front view of wind-force detector the 4th embodiment of the present invention;
Figure 10 is the vertical view of wind-force detector the 4th embodiment of the present invention;
Figure 11 is the structural representation of aerogenerator first embodiment of the present invention;
Figure 12 is the structural representation of aerogenerator second embodiment of the present invention.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, the method, wind-force detector and the aerogenerator that detect wind-force provided by the invention below in conjunction with accompanying drawing are described in detail.
Fig. 2 is the process flow diagram of method first embodiment that wind-force of the present invention detects.As shown in Figure 2, the method that in the present embodiment, wind-force detects specifically comprises the steps:
Check point on step 201, detection rotary part is in mechanical signal during at least two predeterminated positions.
In this step, in the rotary course of rotary part, the check point on rotary part is also in rotation, and when check point rotates to predeterminated position time, detect the mechanical signal at check point place on rotary part, wherein, predeterminated position has two at least.After detecting the mechanical signal when check point obtained on rotary part is at least two predeterminated positions, enter step 202.
Step 202, obtain the wind direction of wind-force according to the mechanical signal of above-mentioned at least two predeterminated positions and correspondence thereof.
In this step, according to the mechanical signal that check point detects when being at least two predeterminated positions, and utilize Bernoulli equation to calculate the wind direction of wind-force, to obtain the angle between the rotation axis of rotary part and wind direction, utilize the process of Bernoulli equation calculation of wind speed for prior art, do not repeat them here.
In actual applications, rotary part can be the kuppe etc. on aerogenerator.
In the present embodiment, mechanical signal when being at least two predeterminated positions by the check point detected on rotary part, can the mechanical signal that produces of the wind-force that carries in rotary course of direct-detection rotary part, the degree of accuracy acting on the mechanical signal on blade detected is high, error is little, then can calculate the high wind direction of degree of accuracy according to above-mentioned mechanical signal.
Fig. 3 is the process flow diagram of method second embodiment that wind-force of the present invention detects, and Fig. 4 is the movement locus schematic diagram of check point in the present embodiment.In the present embodiment, install mechanics sensor in the check point position of rotary part, mechanics sensor can detect at least one in the pressure signal of wind-force in check point position, pulling force signal and pressure signal; Wherein, acceleration transducer and mechanics sensor synchronous axial system under rotary part drives; In the rotary course of rotary part, can be detected the position signalling of the mechanics sensor at check point place on mounting rotating unit by acceleration transducer, the line of mechanics sensor and acceleration transducer is crossing with the rotation axis of rotary part.As shown in Figure 3, the method that in the present embodiment, wind-force detects specifically comprises the steps:
Step 301, detected the position signalling of the check point on rotary part by acceleration transducer.
In this step, rotary part rotates moving axis when rotating, and drive position transducer and the mechanics sensor moving axis that rotates to move in a circle, acceleration transducer can detect that mechanics sensor is in the accurate location of circumference.As shown in Figure 4, at circumferentially setting two predeterminated positions that check point 400 rotates, comprise primary importance A and second place B, primary importance A and second place B is respectively the position that when check point rotates, the circumference of process is crossing with this circumference diameter AB in the horizontal direction.Setting acceleration transducer arrives primary importance A or second place B, and it is level-preset value that acceleration transducer detects the acceleration obtained, and level-preset value can be arranged according to parameters such as the rotating speeds of acceleration transducer and rotary part.
When the acceleration that acceleration transducer detects is level-preset value, mark mechanics sensor arrives primary importance A circumferentially or second place B, then enter step 302.
Step 302, detect the mechanical signal of check point at least two predeterminated positions on rotary part by mechanics sensor.
In this step, when check point on the position signalling determination rotary part that position-based sensor detects is in predeterminated position, the mechanical signal of check point that mechanics sensor will detect on rotary part, after comprising the mechanical signal that wind-force produces at primary importance A and second place B place, enter step 303.
Step 303, obtain the wind direction of wind-force according to the mechanical signal of above-mentioned at least two predeterminated positions and correspondence thereof.
In this step, position signalling when detecting that check point on rotary part is in predeterminated position by position transducer, the mechanical signal in predetermined position of check point on rotary part is detected by mechanics sensor, calculate the wind direction of wind-force according to Bernoulli equation, thus obtain the angle between the rotation axis of rotary part and wind direction.
In actual applications, rotary part can be the kuppe on aerogenerator; Further, utilize check point at the mechanical signal of each predetermined position, the wind-force parameters such as the wind speed of wind-force can also be calculated.
As shown in Figure 4, can also when check point 400 rotates the more predeterminated position of circumferentially setting of process.Such as, that rotates at mechanics sensor circumferentially resets two predeterminated positions, be respectively the 3rd position C and the 4th position D, the circumference that 3rd position C and the 4th position D is respectively process when check point 400 rotates and this circumference are in the crossing position of the diameter CD of vertical direction, by detecting the mechanical signal of four predetermined position, wind-force can be obtained more accurately.
In the present embodiment, the position signalling of the check point on rotary part is detected by acceleration transducer, the check point detected on rotary part by mechanics sensor is in mechanical signal during at least two predeterminated positions, thus directly can obtain the mechanical signal of the wind-force generation that rotary part in rotary course, diverse location carries, the degree of accuracy acting on the mechanical signal on blade detected is high, error is little, then can calculate the high wind direction of degree of accuracy according to above-mentioned mechanical signal.
Fig. 5 is the structural representation of wind-force detector first embodiment of the present invention.As shown in Figure 5, the present embodiment wind-force detector comprises mechanics sensor 501 and signal processor 502, wherein, the mechanical signal of mechanics sensor 501 when the check point detected on rotary part is at least two predeterminated positions, in actual applications, usually mechanics sensor is arranged on front end or the windward side of rotary part; Signal processor 502 is for obtaining the wind direction of wind-force according to the mechanical signal of at least two predeterminated positions and correspondence thereof.
In the present embodiment, the check point detected on rotary part by mechanics sensor is in mechanical signal during at least two predeterminated positions, can the mechanical signal that produces of the wind-force that carries in rotary course of direct-detection rotary part, on the rotary part detected, the degree of accuracy of mechanical signal is high, error is little, then can calculate the high wind direction of degree of accuracy according to above-mentioned mechanical signal.
Fig. 6 is the structural representation of wind-force detector second embodiment of the present invention.As shown in Figure 6, on the basis of wind-force detector as shown in Figure 5, wind-force detector in the present embodiment also comprises position transducer 503, position transducer 503 is connected with signal processor 502, for detecting the position signalling of the check point on rotary part, namely detect the position signalling being arranged on the mechanics sensor 501 of check point position, when check point on the position signalling determination rotary part that signal processor 502 position-based sensor 503 detects is in predeterminated position, obtain the mechanical signal that mechanics sensor detects check point on rotary part, signal processor 502 detects the mechanical signal obtained in predetermined position according to mechanics sensor 501, utilize Bernoulli equation can calculate the wind direction of wind-force.
Further, signal processor can also obtain the wind-force parameters such as the wind speed of wind-force according to the mechanical signal of at least two predeterminated positions and correspondence thereof.
In actual applications, mechanics sensor 501 can comprise in pressure transducer, pulling force sensor and pressure transducer one or more, pressure transducer, pulling force sensor and pressure transducer are respectively used to detect the pressure signal of check point, pulling force signal and pressure signal; Position transducer 503 can be acceleration transducer; When check point on the position signalling determination rotary part that position-based sensor 503 detects is in predeterminated position, mechanics sensor 501 detects the mechanical signal of the check point on rotary part.Consult Fig. 4, the position that when primary importance A and second place B is check point rotation, the circumference of process is crossing with this circumference diameter in the horizontal direction, acceleration when desired location sensor 503 is in primary importance A and second place B is level-preset value, when position transducer 503 detects that acceleration is level-preset value, mark mechanics sensor 501 is in primary importance A or second place B; Signal processor 502 obtains the wind-force parameters such as the wind direction of wind-force and wind speed according to mechanical signal corresponding to primary importance A and second place B.
Fig. 7 is the structural representation of wind-force detector the 3rd embodiment of the present invention.As shown in Figure 7, the present embodiment wind-force detector also comprises framework 504, and framework 504 is right cylinder, in the present embodiment, is respectively pressure transducer and acceleration transducer to introduce technical scheme for mechanics sensor 501 and position transducer 503.Mechanics sensor 501 and position transducer 503 are fixedly mounted on the surface of framework 504, with the position at mechanics sensor 501 place for check point, position transducer 503 identifies the position signalling of mechanics sensor 501 by the acceleration that it shows; Rotation axis when line between mechanics sensor 501 and position transducer 503 rotates with framework 504 is parallel.Consult Fig. 4, rotate in moving axis rotation process at framework 504, belt dynamics sensor 501 and position transducer 503 move in a circle by framework 504, when the position signalling determination mechanics sensor 501 that position-based sensor 503 detects is in primary importance A or second place B, mechanics sensor 501 detects the pressure signal obtaining wind-force and produce.
In the course of work of wind-force detector, position transducer 503 detect mechanics sensor 501 position signalling and by its position signalling notification signal processor 502, mechanics sensor 501 detects the pressure signal notification signal processor 502 that wind-force produces, and signal processor 502 obtains the pressure signal that detects when mechanics sensor 501 is in primary importance A and second place B according to position signalling; The pressure signal produced due to wind speed and wind-force is directly proportional, and therefore according to the pressure signal calculation of wind speed at primary importance A and second place B place, meanwhile, can also calculate the wind-force such as wind direction and wind direction parameter according to above-mentioned mechanical signal.
In actual applications, the mechanics sensor 501 shown in Fig. 7 also can be pulling force sensor, is detected the pulling force signal of predeterminated position by pulling force sensor, and signal processor obtains the wind-force parameter such as wind speed, wind direction of wind-force according to pulling force signal.
Fig. 8 is the structural representation of wind-force detector the 4th embodiment of the present invention.As shown in Figure 8, in the present embodiment, mechanics sensor 501 is pressure transducer, for the pressure signal making mechanics sensor 501 detect is more accurate, mechanics sensor 501 can be arranged on the inside of framework 504, with the position residing for mechanics sensor 501 for check point, mechanics sensor 501 is in communication with the outside by through hole 505, with the larger linear velocity reducing mechanics sensor 501 on the impact of detection pressure signal, wherein, the rotation axis when line between position transducer 503 with through hole 505 rotates with framework 504 is parallel.Framework 504 rotate moving axis rotate time, move in a circle by drive pressure transducer with acceleration transducer 503 around the rotation axis of rotary part, mechanics sensor 501 detects the pressure signal of circumferentially each position, and position transducer 503 detects position signalling when mechanics sensor 501 is in circumferentially each position.
Fig. 9 is the front view of wind-force detector the 4th embodiment of the present invention, and Figure 10 is the vertical view of wind-force detector the 4th embodiment of the present invention.As shown in Figure 9, Figure 10, the framework in the present embodiment is the right cylinder 5041 and dull and stereotyped 5042 that are fixed together, and mechanics sensor 501 can be pressure transducer or pulling force sensor; Under normal circumstances, mechanics sensor 501 and position transducer 503 are arranged on the surface of right cylinder 5041 or the surface of dull and stereotyped 5042.Preferably, mechanics sensor 501 is arranged on dull and stereotyped 5042, fully and air flow contacts, can improve the accuracy of the mechanical signal that mechanics sensor 501 detects to make mechanics sensor 501.
Further, when in the present embodiment in mechanics sensor 501 being pressure transducer, pressure transducer is arranged on the inside of framework, pressure transducer is contacted with external air flow by the through hole be arranged on framework, with the larger linear velocity reducing pressure transducer on the impact of detection pressure signal, the pressure signal that the wind-force that pressure transducer is detected produces is more accurately, error is less.
Figure 11 is the structural representation of aerogenerator first embodiment of the present invention.As shown in figure 11, the present embodiment aerogenerator comprises blade 101, kuppe 102, generator 103, engine room cover 104, pylon 105 and column foot 106, wind-force detector 20 is arranged on kuppe 102, and wherein, wind-force detector 50 can adopt any one above-mentioned structure.In the present embodiment, wind-force detector 50 adopts the structure shown in Fig. 7, and consult Fig. 4, when wind power generator oar blade 101 and kuppe 102 rotate under wind-force effect, the wind-force detector 50 being arranged on kuppe 102 front end also rotates thereupon, mechanics sensor 501 on wind-force detector 50 and position transducer 503 will move in a circle, and mechanics sensor 501 detects the mechanical signal that wind-force produces, and mechanical signal comprises at least one in pressure signal, pulling force signal and pressure signal.
In the course of work of wind-force detector, position transducer 503 will detect the position signalling of mechanics sensor 501 and notification signal processor 502, signal processor 502 obtains the mechanical signal detected when mechanics sensor 501 is in primary importance A and second place B, and calculate wind direction according to the mechanical signal at primary importance A and second place B place, simultaneously, to obtain the angle between rotation axis when wind direction and impeller 101 rotate, aerogenerator adjusts the position of impeller 101 and kuppe 102 according to above-mentioned angle, rotation axis when impeller 101 is rotated is parallel with wind direction to obtain more wind energy, improve the generating efficiency of aerogenerator.
In actual applications, except obtaining mechanical signal detected when mechanics sensor 501 is in primary importance A and second place B, can also detect mechanical signal when mechanics sensor 501 is in other position, signal processor 502 calculates the wind-force parameters such as wind speed and direction according to above-mentioned mechanical signal.
Figure 12 is the structural representation of aerogenerator second embodiment of the present invention.As shown in figure 12, in the present embodiment, the mechanics sensor in wind-force detector and acceleration transducer are directly fixed on kuppe 102 front end of aerogenerator, and do not need to be arranged on kuppe 102 by framework, to simplify the structure of aerogenerator, reduce manufacturing cost.
In each embodiment of the above-mentioned aerogenerator of the present invention, by wind-force detector being arranged on the upwind of blade, with improve that wind-force detector detects act on blade wind-force parameter time degree of accuracy, aerogenerator according to rotation axis during wind-force parameter adjustment vane rotary with parallel with wind direction, thus improve the generating efficiency of aerogenerator, reduce the partial load of aerogenerator, extend the serviceable life of aerogenerator.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (16)
1. a method for wind-force detection, is characterized in that, comprising:
The check point detected on rotary part is in mechanical signal during at least two predeterminated positions;
Described at least two predeterminated positions comprise:
Primary importance and the second place;
Described primary importance and the second place are respectively the position that when described check point rotates, the circumference of process is crossing with this circumference diameter in the horizontal direction;
Wherein, the mechanical signal when check point on described detection rotary part is at least two predeterminated positions comprises:
Detect the position signalling of the check point on described rotary part;
When check point on described rotary part is in predeterminated position, detect the mechanical signal of described check point;
The wind direction of wind-force is obtained according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.
2. the method for wind-force detection according to claim 1, characterized by further comprising:
The wind speed of wind-force is obtained according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.
3. the method for wind-force detection according to claim 1, it is characterized in that, described at least two predeterminated positions also comprise:
3rd position and the 4th position;
Circumference and this circumference that described 3rd position and the 4th position are respectively process when described check point rotates are in the crossing position of the diameter of vertical direction.
4. the method for wind-force detection according to claim 1, it is characterized in that, the position signalling of the check point on the described rotary part of described detection comprises:
The position signalling of the check point on described rotary part is detected by acceleration transducer;
When the acceleration that described acceleration transducer detects is level-preset value, the check point identified on described rotary part is in described primary importance and the second place.
5. the method for wind-force detection according to claim 1, it is characterized in that, the mechanical signal of described check point comprises:
At least one in the pressure signal of described check point, pulling force signal and pressure signal.
6., according to the method that the arbitrary described wind-force of claim 1-5 detects, it is characterized in that, described rotary part is the kuppe of aerogenerator.
7. a wind-force detector, is characterized in that comprising:
Mechanics sensor, the mechanical signal when the check point detected on rotary part is at least two predeterminated positions;
Signal processor, for obtaining the wind direction of wind-force according to the mechanical signal of described at least two predeterminated positions and correspondence thereof;
Position transducer, for detecting the position signalling of the check point on described rotary part;
When the position signalling detected based on described position transducer determines that the check point on described rotary part is in predeterminated position, described mechanics sensor detects the mechanical signal of described check point.
8. wind-force detector according to claim 7, is characterized in that, described signal processor also for:
The wind speed of wind-force is obtained according to the mechanical signal of described at least two predeterminated positions and correspondence thereof.
9. wind-force detector according to claim 7, it is characterized in that, described mechanics sensor comprises:
At least one in pressure transducer, pulling force sensor and pressure transducer;
Described pressure transducer, pulling force sensor and pressure transducer are respectively used to detect the pressure signal of described check point, pulling force signal and pressure signal.
10. wind-force detector according to claim 7, it is characterized in that, described position transducer comprises:
Acceleration transducer, when the acceleration that described acceleration transducer detects is level-preset value, the check point identified on described rotary part is in primary importance and the second place;
Described primary importance and the second place are respectively the position that when described check point rotates, the circumference of process is crossing with this circumference diameter in the horizontal direction.
11. wind-force detectors according to claim 7, characterized by further comprising:
Framework, described mechanics sensor and position transducer are installed on said frame.
12., according to wind-force detector described in claim 11, is characterized in that, described framework is right cylinder, and described mechanics sensor comprises pressure transducer and/or pulling force sensor;
Described mechanics sensor and position transducer are arranged on the surface of described framework.
13., according to wind-force detector described in claim 11, is characterized in that, described framework is right cylinder, and described mechanics sensor comprises pressure transducer;
Described position transducer is arranged on the surface of described framework;
Described pressure transducer is arranged on the inside of described framework, and is contacted with outer gas stream by through hole.
14., according to wind-force detector described in claim 11, is characterized in that, described framework comprises the right cylinder and flat board that are fixedly connected with, and described mechanics sensor comprises pressure transducer and/or pulling force sensor;
Described mechanics sensor and position transducer are arranged on the surface of described framework.
15., according to wind-force detector described in claim 11, is characterized in that, described framework comprises the right cylinder and flat board that are fixedly connected with, and described mechanics sensor comprises pressure transducer;
Described position transducer is arranged on the surface of described framework;
Described pressure transducer is arranged on the inside of described framework, and is contacted with outer gas stream by through hole.
16. 1 kinds of aerogenerators, is characterized in that, comprise the arbitrary described wind-force detector of claim 7-15.
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| CN201110416749.0A CN103163325B (en) | 2011-12-14 | 2011-12-14 | A kind of method that wind-force detects, wind-force detector and aerogenerator |
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| CN201110416749.0A CN103163325B (en) | 2011-12-14 | 2011-12-14 | A kind of method that wind-force detects, wind-force detector and aerogenerator |
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| KR101678005B1 (en) * | 2015-08-28 | 2016-11-22 | 동국대학교 산학협력단 | An apparatus for measuring wind velocity |
| CN105259928B (en) * | 2015-11-13 | 2017-11-03 | 上海斐讯数据通信技术有限公司 | According to the method and device in wind direction adjusting device direction |
| CN107576815B (en) * | 2017-07-19 | 2020-05-05 | 浙江海洋大学 | Sailing boat wind speed measurer |
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| CN201697932U (en) * | 2009-11-05 | 2011-01-05 | 浙江运达风力发电工程有限公司 | Capacitance type anemoclinograph of wind turbine generator set |
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2011
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101389967A (en) * | 2004-03-26 | 2009-03-18 | 里索国家实验室 | Method and apparatus to determine the wind speed and direction experienced by a wind turbine |
| CN101493068A (en) * | 2007-10-09 | 2009-07-29 | 通用电气公司 | Wind turbine metrology system |
| CN101692097A (en) * | 2009-07-24 | 2010-04-07 | 南京航空航天大学 | Anemoclinograph wind meter |
| CN201697932U (en) * | 2009-11-05 | 2011-01-05 | 浙江运达风力发电工程有限公司 | Capacitance type anemoclinograph of wind turbine generator set |
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