CN105259374B - Wind vane zero correction device - Google Patents

Wind vane zero correction device Download PDF

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Publication number
CN105259374B
CN105259374B CN201510829890.1A CN201510829890A CN105259374B CN 105259374 B CN105259374 B CN 105259374B CN 201510829890 A CN201510829890 A CN 201510829890A CN 105259374 B CN105259374 B CN 105259374B
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main shaft
angle
vane
wind vane
wind
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CN105259374A (en
Inventor
金明
李储江
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Jiangsu Tianfu New Energy Engineering Technology Co Ltd
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Jiangsu Tianfu New Energy Engineering Technology Co Ltd
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Abstract

The invention discloses a kind of wind vane zero correction devices, including angle of vane correcting unit, main shaft angle correcting unit and angular adjustment component, the angle of vane correcting unit is mounted on outside test device, and connect with the wind vane in the test device, the angle of vane correcting unit is used to adjust the angle of the wind vane;The main shaft angle correcting unit is mounted on the main shaft in test device, and the main shaft angle correcting unit is used to measure the angle of main shaft, and the angular adjustment component is connect with the wind vane, main shaft angle correcting unit respectively.Pass through angular adjustment component, the angle of wind vane can be adjusted, so that the zero graduation line of wind vane is parallel with main shaft, to which the zero graduation line error of wind vane be quantified, the speed and accuracy for improving wind vane zero correction simultaneously, to reduce the degree that wind is not allowed in Wind turbines yaw.

Description

Wind vane zero correction device
Technical field
The present invention relates to a kind of means for correctings, and in particular to a kind of wind vane zero correction device.
Background technology
To unit generation amount will produce inaccurate to wind of Wind turbines yaw significantly affects, and directly affects wind power plant economy effect Benefit.The main reason for causing unit that wind is not allowed is the collected zero direction of sensor due to surveying acquisition wind direction in cabin It is not head actual direction.Wind vane zero correction uses observation in maintenance and installation at present, by the straight of maintenance personnel Perception is by parallel with heading correction by wind vane zero graduation direction, since everyone sense organ difference easily leads to correction Error, it is not the actual direction of head to make the collected zero direction of sensor, inaccurate to wind so as to cause unit, is directly resulted in The wind energy of unit capture is reduced, and unit generation amount is reduced, and makes the economic benefit of wind power plant by tremendous influence.
To solve this demand, the flat principle of with good grounds laser water detection, wind vane is carried out by laser and plumb line etc. The device of correction.But this device cannot intuitively show that numerical value, operation are influenced by weather and human factor.Therefore it is badly in need of a kind of Device can provide foundation with the detection wind vane error of zero of fast quantification for wind vane zero correction.
Wind vane is by wind vane rotatable parts 4 ' (head 401 ', horizon bar 402 ' and empennage 403 '), built-in wind direction angle The compositions such as the housing base 2 ' and signal accessory power outlet of signal generator, as shown in Figure 1.It is fixedly mounted on engine room cover by pedestal On meteorological frame at the top of shell, the zero graduation line of wind vane is provided on pedestal, when wind vane is consistent with zero graduation direction, The sensor of wind vane exports zero degree signal.Therefore the angle of wind vane output represents the folder of wind direction and unit heading Angle, Wind turbines make angle be maintained at zero degree as possible by yaw, and that realizes unit chases after pneumatic work.In the operation of practical wind power plant Wind vane can be caused to occur loosening generation error due to unit shaking etc..Cause wind direction zero graduation line to deviate, causes The wind energy of unit capture declines.
Meteorological frame form at the top of nacelle cover is divided to two kinds:Crossbar type, riser type.Crossbar type holder passes through airspeedometer, wind Step up to fix with cross bar to the nut for marking following.The screw of tightening that riser type relies primarily on wind vane outside of sleeve is fixed.
It needs the zero graduation position on the pedestal by wind vane to be aligned with heading due to wind vane, Z-operation is generally Safeguard that employee estimates the position of wind vane zero-bit and holder to complete, from visual effect, the wind vane of crossbar type holder Due to square features, to zero error, generally at 5-10 ° or so, and the fixed wind vane of vertical bar type is since reference point is in circle On cylindricality montant, confirm that difficulty is big, it is single from visually looking for application condition difficult, thus can cause larger to zero error, cause to survey Error is measured to increase.
When carrying out wind V0It forms an angle α with headingwWhen, as shown in Fig. 2, the output loss of evaluation unit needs always Stream wind power is accounted for two aspect of power efficieney.It will absolutely be decomposed come wind by resolution of vectors, head positive direction is come Flow velocity degree Vw=v0cos(αw).Therefore the power P w=ρ v of the wind flowed through in unit heading wind wheel cross section0 3cos3w) A/2.The wind energy energy loss caused by wind angle is as shown in Figure 3.
And electronic compass, also known as digital compass, electronic compass is passed as navigation instrument or posture in modern technologies condition Sensor has been widely used.Low energy consumption, small, weight compared with conventional cursor formula and balancing stand structure compass for electronic compass Gently, precision is high, Miniaturized, and digital-scroll technique may be implemented by processing in output signal, can not only be used for being directed toward, number Signal can be directly sent to autopilot, control the manipulation of ship.Currently, widely used is three axis strapdown reluctance type number magnetic sieve Disk, this compass has anti-shake and vibration resistance, course precision is higher, has electronic compensation to interference field, is desirably integrated into control The advantages that data link is carried out in circuit, thus it is widely used in the necks such as Aeronautics and Astronautics, robot, navigation, vehicular autonomous navigation Domain.
Therefore the wind vane and main shaft special fixture of electronic compass and design are combined, have drawn this applying electronic sieve Disk carries out the device of the zero correction of Wind turbines wind vane.
Invention content
In order to solve the above technical problems, the purpose of the present invention is to provide a kind of wind vane zero correction device, Neng Goutong The main shaft angle for crossing the measurement of main shaft angle correcting unit adjusts the angle of wind vane so that and wind vane is parallel with main shaft, from And quantified the error of zero of wind vane, while the speed and accuracy of wind vane zero correction are improved, to reduce The degree that wind is not allowed in Wind turbines yaw, promotes the promotion of unit generation amount, increases the economic benefit of wind power plant, and Since hand-held regulating member can observe implementation adjustment in real time, unnecessarily measurement error is reduced caused by operation bidirectional.
In order to achieve the above objectives, technical scheme is as follows:
On the one hand, the present invention provides a kind of wind vane zero correction device, including angle of vane correcting unit, spindle angular Spend correcting unit and angular adjustment component, the angle of vane correcting unit is mounted on outside test device, and with the survey The wind vane connection that trial assembly is set, the angle of vane correcting unit are used to adjust the angle of wind vane;The main shaft angle Correcting unit is mounted on the main shaft in test device, and the main shaft angle correcting unit is used to measure the angle of main shaft.It is described Angle of vane correcting unit includes wind vane electronic compass, the zero graduation line pair of the wind vane electronic compass and wind vane Together, and for measuring the angle of the wind vane;The main shaft angle correcting unit includes main shaft electronic compass, the main shaft electricity Sub- compass is parallel with the direction of the main shaft, and the main shaft electronic compass is used to measure the angle of the main shaft, the angle tune The main shaft that section component connect with the wind vane electronic compass, main shaft electronic compass respectively, and measured by main shaft electronic compass Angular adjustment angle of vane so that the zero graduation line of wind vane is parallel with the main shaft.The angle of vane correction Component further includes first support, and the first support is located on the wind vane of test device, and with the zero graduation of the wind vane Line is aligned, and the wind vane electronic compass is fastened in the first support.The main shaft angle correcting unit further includes second Holder, the second support are located on the main shaft, and parallel with the main shaft, and the main shaft electronic compass is fastened on described In second support.
The wind vane zero correction device of the present invention, the angle that angular adjustment component is measured by main shaft angle correcting unit Degree, can adjust the angle of the wind vane so that the zero graduation line of wind vane is parallel with the main shaft, thus by wind direction The error of target zero graduation line is quantified, while improving the speed and accuracy of wind vane zero correction, to reduce The degree that wind is not allowed in Wind turbines yaw, promotes the promotion of unit generation amount, increases the economic benefit of wind power plant, and Since hand-held regulating member can observe implementation adjustment in real time, unnecessarily measurement error is reduced caused by operation bidirectional. Low energy consumption, small, light-weight, precision is high, Miniaturized compared with conventional cursor formula and balancing stand structure compass for electronic compass, Digital-scroll technique may be implemented by processing in its output signal, can not only be used for being directed toward, digital signal can be directly sent to automatically Rudder controls the manipulation of ship, to be easy to control by angular adjustment component.
Based on the above technical solution, the present invention can also make following improvement:
As a preferred option, the bottom of the first support is equipped with the first card slot, and the first support passes through the first card Slot is installed on the wind vane, and the second card slot is additionally provided at the top of the first support, and the wind vane electronic compass clamps In the second card slot, and the horizontal direction of second card slot is aligned with the zero graduation line of the wind vane.
As a preferred option, the top of the second support is equipped with groove, and the main shaft electronic compass is installed on described In groove, the bottom of the second support is installed on the main shaft, and the horizontal direction of the groove and the main shaft are flat Row.
As a preferred option, laser generator is additionally provided in the second support, the laser generator is for adjusting The second support is parallel with the main shaft.
Using the above preferred scheme, second support can be more accurately adjusted, keeps it parallel with main shaft.
As a preferred option, the first support and second support are made of non-magnetic material.
Using the above preferred scheme, the first and second holder supported by non-magnetic material can prevent from interfering so that measure As a result more accurate.
As a preferred option, the angular adjustment component is hand-held adjusting apparatus.
Using the above preferred scheme, hand-held adjusting apparatus facilitates adjusting, use more convenient.
On the other hand, the present invention also provides a kind of wind vane zero correction systems, including the wind direction described in any of the above-described kind Zero correction device is marked, further includes test device.
In another aspect, the present invention also provides a kind of bearing calibration of wind vane zero correction system, include the following steps:
1) angle of vane correcting unit is mounted on the wind vane, rotation adjusts the angle of vane correction unit Part makes it be aligned with the zero graduation line of the wind vane, and then angle of vane correcting unit is fixed on wind vane;
2) main shaft angle correcting unit is mounted on the main shaft of the test device again, rotation adjusts the main shaft angle Correcting unit keeps it parallel with the main shaft, is then fixed on main shaft the main shaft angle correcting unit;
3) signal for the angle of vane that the angle of vane correcting unit measures and the main shaft angle correcting unit The signal input angle regulating member of the main shaft angle of measurement, when 4 ° of the angle of vane and main shaft angle difference or more, Adjust the angle of wind vane so that the zero graduation line of wind vane is parallel with the main shaft.
Based on the above technical solution, the present invention can also make following improvement:
As a preferred option, in step 1), the angle of vane correcting unit includes wind vane electronic compass, rotation The direction of wind vane electronic compass described in modulation section makes it be aligned with the zero graduation line of the wind vane.
As a preferred option, the angle of vane correcting unit further includes first support, first clamps first support On the wind vane, then the wind vane electronic compass is installed in the first support again, rotation adjusts first Frame makes it be aligned with the zero graduation line of the wind vane.
As a preferred option, pass through the magnetic field environment of the adjusting wind vane electronic compass so that the wind vane electricity The direction of sub- compass makes it be aligned with the zero graduation line of the wind vane.
As a preferred option, in step 2), the main shaft angle correcting unit includes main shaft electronic compass, and rotation is adjusted Saving the main shaft electronic compass keeps it parallel with the main shaft.
As a preferred option, the main shaft angle correcting unit further includes second support, is first installed on second support On the main shaft, then the main shaft electronic compass is installed in the second support again, rotation adjusts main shaft electronic compass Keep it parallel with the main shaft.
As a preferred option, pass through the magnetic field environment of the adjusting main shaft electronic compass so that main shaft electronics sieve The direction of disk keeps it parallel with the main shaft.
As a preferred option, it is additionally provided with laser generator in the second support, second support is installed on the master After on axis, first passes through the ray that laser generator is sent out and be used as with reference to the second support is adjusted, keep it equal with the main shaft Row.
Description of the drawings
Fig. 1 is the structural schematic diagram of wind vane in the prior art;
Fig. 2 is that main shaft and the incoming of the cabin of test device form an angle schematic diagram;
Fig. 3 is the cabin of test device to wind energy loss figure caused by wind error;
Fig. 4 is that the wind vane zero correction device of the present invention is mounted on the structural schematic diagram in test device;
Fig. 5 is the knot of the first support in the angle of vane correcting unit in the wind vane zero correction device of the present invention Structure schematic diagram;
Fig. 6 is the structural schematic diagram of the main shaft angle correcting unit in the wind vane zero correction device of the present invention;
The flow chart of the bearing calibration zero correction of Fig. 7 wind vane zero correction systems;
Wherein:
1. angle of vane correcting unit, 2. main shaft angle correcting units, 3. test devices, 4. wind vane rotatable parts, 5, main shaft, 6. wind vane electronic compass, 7. main shaft electronic compass, 8. first supports, 801. first card slots, 802. second card slots, 9. second support, 901. grooves, 902. laser generators, 903. rays, 10. wind vanes, 11. impellers, 12. cabins, 13. gears Case, 14. generators.
Specific implementation mode
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, as shown in Figs. 4-6, wind vane zero correction device of the invention, including wind direction Angle correct component 1, main shaft angle correcting unit 2 and angular adjustment component are marked, angle of vane correcting unit 1 is mounted on test It outside device 3, and is connect with the wind vane 10 in test device 3, angle of vane correcting unit 1 is used to adjust the angle of wind vane 10 Degree;The installation 2 of main shaft angle correcting unit is on the main shaft 5 in test device 3, and main shaft angle correcting unit 2 is for measuring main shaft 5 Angle;The wind vane zero correction device can adjust the wind vane zero-bit so that wind direction by angular adjustment component Mark is parallel with the main shaft, to be quantified the error of the zero graduation line of wind vane, while improving wind vane zero-bit The speed and accuracy of correction promote the promotion of unit generation amount to reduce the degree that wind is not allowed in Wind turbines yaw, The economic benefit of wind power plant is increased, and since hand-held regulating member can observe implementation adjustment in real time, reduces additional behaviour Unnecessarily measurement error caused by making.
In order to further optimize the implementation result of the present invention, angle of vane correcting unit 1 includes wind vane electronics sieve Disk 6, wind vane electronic compass 6 are aligned with the zero graduation line of wind vane, and the angle for measuring wind vane;Main shaft angle corrects Component 2 includes main shaft electronic compass 7, and main shaft electronic compass 7 is parallel with the direction of main shaft 5, and main shaft electronic compass 7 is for measuring master The angle of axis, angular adjustment component are connect with wind vane electronic compass 6, main shaft electronic compass 7 respectively, and pass through main shaft electronics sieve The main shaft angle that disk 7 measures adjusts angle of vane so that the zero graduation line of wind vane 10 is parallel with main shaft 5.Electronics sieve Low energy consumption, small, light-weight, precision is high, Miniaturized compared with conventional cursor formula and balancing stand structure compass for disk, output Digital-scroll technique may be implemented by processing in signal, can not only be used for being directed toward, digital signal can be directly sent to autopilot, control The manipulation of ship, to be easy to control by angular adjustment component.
In order to further optimize the implementation result of the present invention, angle of vane correcting unit 1 further includes first support 8, The first support 8 is located on the wind vane 10 of test device 3, and is fixed on wind vane after being aligned with the zero graduation line of wind vane On 10, wind vane electronic compass 6 is fastened in first support 8.It is easily installed, facilitates adjusting.
In order to further optimize the implementation result of the present invention, the bottom of first support 8 is equipped with the first card slot 801, and first Holder 8 is installed on by the first card slot 801 on wind vane, and the top of first support 8 is additionally provided with the second card slot 802, wind vane electricity Sub- compass 6 is installed in the second card slot 802, and the horizontal direction of the second card slot 802 is aligned with the zero graduation line of wind vane.
In order to further optimize the implementation result of the present invention, main shaft angle correcting unit 2 further includes second support 9, the Two holders 9 are located on main shaft 5, and parallel with main shaft 5, and main shaft electronic compass 7 is fastened in second support 9.It is easily installed, side Just it adjusts.
In order to further optimize the implementation result of the present invention, the top of second support 9 is equipped with groove 901, main shaft electronics Compass 7 is installed in groove 901, and the bottom of second support 9 is installed on main shaft 5, and the horizontal direction and main shaft of groove 901 5 is parallel.
In order to further optimize the implementation result of the present invention, laser generator 902, laser are additionally provided in second support 9 Generator 902 is parallel with main shaft 5 for adjusting second support 9.Second support can be more accurately adjusted, keeps it flat with main shaft Row.
In order to further optimize the implementation result of the present invention, first support 8 and second support 9 are by non-magnetic material system At.The first and second holder supported by non-magnetic material can prevent from interfering so that measurement result is more accurate.
In order to further optimize the implementation result of the present invention, the angular adjustment component is hand-held adjusting apparatus.It is hand-held to adjust Section instrument facilitates adjusting, use more convenient.
In order to reach the purpose of the present invention, wind vane zero correction system of the invention includes the wind direction of aforementioned present invention Zero correction device is marked, further includes test device.
In order to further optimize the implementation result of the present invention, test device of the invention is Wind turbines, Wind turbines Including cabin 12 and wind vane 10, angle of vane correcting unit 1 is mounted on the wind vane 10 outside cabin 12, main shaft angle Correcting unit is installed on the main shaft 5 inside cabin 12.
In order to further optimize the implementation result of the present invention, wind vane can be mechanical wind vane or ultrasonic type wind direction Mark.
In order to further optimize the implementation result of the present invention, when wind direction is designated as ultrasonic type wind vane, wind vane packet The housing base of wind vane measuring part and built-in wind direction code signal generator is included, angle of vane correcting unit 1 passes through first Holder 8 is mounted on wind vane measuring part, and housing base is mounted on Wind turbines.
In order to further optimize the implementation result of the present invention, when wind vane can be mechanical wind vane, wind direction mapping It includes measuring part and wind vane rotatable parts 4 connected to it to measure component, and angle of vane correcting unit 1 passes through first support 8 are mounted on wind vane rotatable parts 4.
In order to further optimize the implementation result of the present invention, Wind turbines can be double-fed and directly driven wind-powered unit.
In order to further optimize the implementation result of the present invention, when Wind turbines are double-fed fan motor unit, in cabin 12 Portion is additionally provided with generator 14, and 12 side of cabin is additionally provided with impeller 11, and impeller 11 passes through main shaft 5 and gear-box 13 under the driving of wind Drive the rotation power generation of generator 14.
In order to further optimize the implementation result of the present invention, when Wind turbines are directly driven wind-powered unit, in cabin 12 Portion is additionally provided with generator 14, and 12 side of cabin is additionally provided with impeller 11, and impeller 11 drives generator under the driving of wind by main shaft 5 14 rotation power generations.
In order to reach the purpose of the present invention, the bearing calibration of wind vane zero correction system of the invention, for realizing this The zero correction of the wind vane of the detection device of invention, includes the following steps:
1) angle of vane correcting unit 1 is mounted on the wind vane 10, rotation adjusts angle of vane correction unit Part 1 makes it be aligned with the zero graduation line of wind vane, and is fixed on wind vane;
2) main shaft angle correcting unit 2 is mounted on the main shaft 5 of the test device again, rotation adjusts main shaft angle school Positive component 2 keeps it parallel with the direction of main shaft 5, is then fixed on main shaft the main shaft angle correcting unit;
3) main shaft angle of the angle of vane signal of angle of vane correcting unit and the main shaft angle correcting unit Signal input angle regulating member adjusts the angle of wind vane 10, makes when 4 ° of angle of vane and main shaft angle difference or more The zero graduation line for obtaining wind vane 10 is parallel with main shaft 5.
In order to further optimize the implementation result of the present invention, in step 1), angle of vane correcting unit 1 includes wind To mark electronic compass 6, the direction that rotation adjusts wind vane electronic compass 6 makes it be aligned with the zero graduation line of wind vane 10.
In order to further optimize the implementation result of the present invention, angle of vane correcting unit 1 further includes first support 8, First first support 8 is installed on wind vane 10, then wind vane electronic compass 6 is installed in first support 8 again, rotation is adjusted Section first support 8 makes it be aligned with the zero graduation line of wind vane.
In order to further optimize the implementation result of the present invention, by adjusting the magnetic field environment of wind vane electronic compass 6, make Obtaining the direction of wind vane electronic compass 6 makes it be aligned with the zero graduation line of wind vane.
In order to further optimize the implementation result of the present invention, in step 2), main shaft angle correcting unit 2 includes main shaft Electronic compass 7, rotation, which adjusts main shaft electronic compass 7, keeps it parallel with the direction of main shaft 5.
In order to further optimize the implementation result of the present invention, main shaft angle correcting unit 2 further includes second support 9, first Second support 9 is installed on main shaft 5, then main shaft electronic compass 7 is installed in second support 9 again, rotation adjusts main shaft Electronic compass 7 keeps it parallel with the direction of main shaft 5.
In order to further optimize the implementation result of the present invention, by the magnetic field environment for adjusting main shaft electronic compass 7 so that The direction of main shaft electronic compass 7 keeps it parallel with main shaft 5.
It is additionally provided with laser generator 902 in order to further optimize the implementation result of the present invention, in second support 9, by the After two holders 9 are installed on main shaft 5, first pass through the ray 903 that laser generator 902 is sent out and adjusts second support 9 as reference, Keep it parallel with main shaft 5.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention Protection domain.

Claims (1)

1. a kind of wind vane zero correction device, which is characterized in that including angle of vane correcting unit, main shaft angle correction unit Part and angular adjustment component, the angle of vane correcting unit be mounted on test device outside, and in the test device Wind vane connection, the angle of vane correcting unit is used to adjust the angle of wind vane;The main shaft angle correcting unit On the main shaft in test device, the main shaft angle correcting unit is used to measure the angle of main shaft;
The angle of vane correcting unit includes wind vane electronic compass, zero quarter of the wind vane electronic compass and wind vane Spend line alignment, and the angle for measuring the wind vane;The main shaft angle correcting unit includes main shaft electronic compass, described Main shaft electronic compass is parallel with the main shaft, and the main shaft electronic compass is used to measure the angle of the main shaft, the angle The master that regulating member connect with the wind vane electronic compass, main shaft electronic compass respectively, and measured by main shaft electronic compass Axis angular adjustment angle of vane so that the zero graduation line of the wind vane is parallel with the main shaft;
The angle of vane correcting unit further includes first support, and the first support is located on the wind vane of test device, And be aligned with the zero graduation line of the wind vane, the wind vane electronic compass is fastened in the first support;The main shaft Angle correct component further includes second support, and the second support is located on the main shaft, and parallel with the main shaft, described Main shaft electronic compass is fastened in the second support;
The bottom of the first support is equipped with the first card slot, and the first support is installed on the wind vane by the first card slot On, the second card slot is additionally provided at the top of the first support, the wind vane electronic compass is installed in the second card slot, and institute The horizontal direction for stating the second card slot is aligned with the zero graduation line of the wind vane;
The top of the second support is equipped with groove, and the main shaft electronic compass is installed in the groove, the second support Bottom be installed on the main shaft, and the horizontal direction of the groove is parallel with the main shaft;
Laser generator is additionally provided in the second support, the laser generator is for adjusting the second support and the master Axis is parallel;
The first support and second support are made of non-magnetic material.
CN201510829890.1A 2015-11-25 2015-11-25 Wind vane zero correction device Active CN105259374B (en)

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CN201531376U (en) * 2009-11-12 2010-07-21 江南大学 Portable wind and light power generation integrated device with convenient disassembly and assembly

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