CN105510633B - Wind vane zero correction system - Google Patents
Wind vane zero correction system Download PDFInfo
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- CN105510633B CN105510633B CN201510830294.5A CN201510830294A CN105510633B CN 105510633 B CN105510633 B CN 105510633B CN 201510830294 A CN201510830294 A CN 201510830294A CN 105510633 B CN105510633 B CN 105510633B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
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Abstract
The invention discloses a kind of wind vane zero correction systems, including wind vane zero correction device and test device, means for correcting includes angle of vane correcting unit, main shaft angle correcting unit and angular adjustment component, angle of vane correcting unit is mounted on the outside of test device, and connect with the wind vane in test device, angle of vane correcting unit is used to adjust the angle of the wind vane on wind vane.Main shaft angle correcting unit is mounted on the main shaft in test device, and main shaft angle correcting unit is used to adjust the angle of main shaft.Angle of vane correcting unit includes wind vane electronic compass, and wind vane electronic compass is aligned with the zero graduation line of wind vane.Main shaft angle correcting unit includes main shaft electronic compass, and main shaft electronic compass is parallel with the direction of main shaft.Angular adjustment component is connect with wind vane electronic compass, main shaft electronic compass respectively, and the angular adjustment angle of vane measured by main shaft electronic compass so that the zero graduation line of wind vane is parallel with main shaft.
Description
Technical field
The present invention relates to a kind of correction systems, and in particular to a kind of wind vane zero correction system.
Background technology
To unit generation amount will produce inaccurate to wind of Wind turbines yaw significantly affects, and it is economical to directly affect wind power plant hair
Benefit.The main reason for causing unit that wind is not allowed is collected zero side of sensor due to surveying acquisition wind direction in cabin
To being not head actual direction.Wind vane zero correction uses observation in maintenance and installation at present, by maintenance personnel's
Direct feel is 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 led
The wind energy of unit capture is caused to reduce, 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 3 cos3
(αw)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 system, Neng Goutong
Overregulating the angle of angle of vane correcting unit and main shaft angle correcting unit so that wind vane is parallel with the main shaft,
To be quantified the wind vane error of zero, 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 system, including wind vane zero correction device and test
Device, the means for correcting include angle of vane correcting unit, main shaft angle correcting unit and angular adjustment component, the wind
It is mounted on the outside of the test device to mark angle correct component, and is connect with the wind vane in the test device, it is described
Angle of vane correcting unit is used to adjust the angle of the wind vane on wind vane；The main shaft angle correcting unit, which is mounted on, to be surveyed
Trial assembly is set on interior main shaft, and the main shaft angle correcting unit is used to measure the angle of main shaft.The angle of vane correction unit
Part includes wind vane electronic compass, and the wind vane electronic compass is aligned with the zero graduation line of wind vane, and described for measuring
The angle of wind vane；The main shaft angle correcting unit includes main shaft electronic compass, the main shaft electronic compass and the main shaft
Direction it is parallel, the main shaft electronic compass is used to measure the angle of the main shaft, the angular adjustment component respectively with it is described
Wind vane electronic compass, the connection of main shaft electronic compass, and the angular adjustment angle of vane measured by main shaft electronic compass, make
The zero graduation line for obtaining wind vane is parallel with the main shaft.
The wind vane zero correction apparatus system of the present invention can adjust the wind vane by angular adjustment component
Angle so that the zero graduation line of wind vane is parallel with the main shaft, thus by the error amount of being able to of the zero graduation line of wind vane
Change, while improving the speed and accuracy of wind vane zero correction, to reduce the journey that wind is not allowed in Wind turbines yaw
Degree promotes the promotion of unit generation amount, increases the economic benefit of wind power plant, and since hand-held regulating member can be seen in real time
It surveys and implements adjustment, reduce caused by operation bidirectional unnecessarily measurement error.In addition, electronic compass and conventional cursor formula and
For balancing stand structure compass compared to low energy consumption, small, light-weight, precision is high, Miniaturized, output signal can be with by processing
It realizes digital-scroll technique, can not only be used for being directed toward, digital signal can be directly sent to autopilot, control the manipulation of ship, to
It is easy to control by angular adjustment component.
As a preferred option, the angle of vane correcting unit further includes first support, and the first support is located at
It on the wind vane of test device, and is aligned with the zero graduation line of the wind vane, the wind vane electronic compass is fastened on described
In first support.
Using the above preferred scheme, it is easily installed, facilitates adjusting.
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 main shaft angle correcting unit further includes second support, and the second support is located at institute
It states on main shaft, and parallel with the main shaft, the main shaft electronic compass is fastened in the second support.
Using the above preferred scheme, it is easily installed, facilitates adjusting.
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 test device is Wind turbines, and the Wind turbines include cabin and wind vane, wind
It is mounted on the wind vane of nacelle exterior to mark angle correct component, the master of the main shaft angle correcting unit installation engine room inside
On axis.
As a preferred option, the wind vane includes mechanical wind vane and ultrasonic type wind vane.
As a preferred option, when wind direction is designated as ultrasonic type wind vane, wind vane include wind vane measuring part and
The housing base of built-in wind direction code signal generator, angle of vane correcting unit are measured by first support mounted on wind vane
On component, housing base is mounted on Wind turbines.
As a preferred option, when wind vane can be mechanical wind vane, wind vane measuring part includes measuring part
With wind vane rotatable parts connected to it, angle correct component is mounted on by first support on wind vane rotatable parts.
As a preferred option, Wind turbines can be double-fed and directly driven wind-powered unit.
As a preferred option, when Wind turbines are double-fed fan motor unit, when Wind turbines are directly driven wind-powered unit,
Engine room inside is additionally provided with generator, and cabin side is additionally provided with impeller, and impeller is driven under the driving of wind by main shaft and gear-box
Generator rotation power generation.
As a preferred option, when Wind turbines are directly driven wind-powered unit, engine room inside is additionally provided with generator, cabin one
Side is additionally provided with impeller, and impeller drives generator rotation power generation under the driving of wind by 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.
On the other hand, 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 direction 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 direction of 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 direction of 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 the structural schematic diagram of the wind vane zero correction system of the present invention；
Fig. 5 is the knot of the first support in the angle of vane correcting unit in the wind vane zero correction system 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 system 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 system of the invention, including wind direction
It includes angle of vane correcting unit 1,2 and of main shaft angle correcting unit to mark zero correction device and test device, means for correcting
Angular adjustment component, angle of vane correcting unit 1 be mounted on test device 3 outside, and with the wind vane 10 in test device 3
Connection, angle of vane correcting unit 1 are used to adjust the angle of wind vane 10；Main shaft angle correcting unit installation 2 is filled in test
It sets on the main shaft 5 in 3；Main shaft angle correcting unit 2 is used to adjust the angle of main shaft 5.Angle of vane correcting unit 1 includes wind
To mark electronic compass 6, wind vane electronic compass 6 is aligned with the zero graduation line of wind vane, and the angle for measuring wind vane；It is main
Shaft angle degree correcting unit 2 includes main shaft electronic compass 7, and main shaft electronic compass 7 is parallel with the direction of main shaft 5, main shaft electronic compass 7
Angle for measuring main shaft, angular adjustment component connect with wind vane electronic compass 6, main shaft electronic compass 7 respectively, and pass through
The main shaft angle that main shaft electronic compass 7 measures adjusts angle of vane so that the zero graduation line of wind vane 10 is equal with main shaft 5
Row.The wind vane zero correction system can adjust the angle of the wind vane so that wind vane by angular adjustment component
Zero graduation line it is parallel with the main shaft, to being quantified the error of the zero graduation line of wind vane, while improving wind
Promote speed from unit generation to mark zero correction and accuracy to reduce the degree that wind is not allowed in Wind turbines yaw
The promotion of amount increases the economic benefit of wind power plant, and since hand-held regulating member can observe implementation adjustment in real time, reduces
Unnecessarily measurement error caused by operation bidirectional.In addition, electronic compass and conventional cursor formula and balancing stand structure compass
Compared to low energy consumption, small, light-weight, precision is high, Miniaturized, digital-scroll technique may be implemented by processing in output signal,
It 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 through angle tune
Component is saved to control.
Main shaft angle correcting unit 2 in order to further optimize the present invention implementation result, angle of vane correcting unit 1
Further include first support 8, the first support 8 is located on the wind vane 10 of test device 3, and with the zero graduation line pair of wind vane
Together, 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 10, and the top of first support 8 is additionally provided with the second card slot 802, wind vane
Electronic 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, 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 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, 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, in order to further optimize the implementation result of the present invention, wind
Motor group 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 wind vane 10, rotation, which adjusts angle of vane correcting unit 1, to be made
It is aligned with the zero graduation line of 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 1 keeps it parallel with the direction of main shaft 5；
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 direction of wind vane 10, makes when 4 ° of angle of vane and main shaft angle difference or more
It is parallel with main shaft 5 to obtain wind vane 10.
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 (5)
1. a kind of wind vane zero correction system, which is characterized in that described including wind vane zero correction device and test device
Means for correcting includes angle of vane correcting unit, main shaft angle correcting unit and angular adjustment component, the angle of vane
Correcting unit is mounted on the outside of the test device, and is connect with the wind vane in the test device, the wind vane angle
Degree correcting unit is used to adjust the angle of the wind vane on wind vane；The main shaft angle correcting unit is mounted in test device
Main shaft on, 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 direction of the main shaft, and the main shaft electronic compass is used to measure the angle of the main shaft, described
Angular adjustment component is connect with the wind vane electronic compass, main shaft electronic compass respectively, and passes through the survey of main shaft electronic compass
The main shaft angle of amount adjusts angle of vane so that the zero graduation line of 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 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 main shaft angle correcting unit further includes second support, and the second support is located on the main shaft, and with the master
Axis is parallel, and the main shaft electronic compass is fastened in the second support；
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.
2. wind vane zero correction system according to claim 1, which is characterized in that be additionally provided in the second support sharp
Optical generator, the laser generator are parallel with the main shaft for adjusting the second support.
3. wind vane zero correction system according to any one of claim 1 to 2, which is characterized in that the test dress
Wind turbines are set to, the Wind turbines include cabin and wind vane, and angle of vane correcting unit is mounted on nacelle exterior
On wind vane, on the main shaft of the main shaft angle correcting unit installation engine room inside.
4. wind vane zero correction system according to claim 3, which is characterized in that the wind vane includes mechanical wind
To mark and ultrasonic type wind vane, the wind vane all includes the shell bottom of measuring part and built-in wind direction code signal generator
Seat, the angle of vane correcting unit are mounted on the measuring part, and the housing base is mounted on the Wind turbines
On.
5. wind vane zero correction system according to claim 3, which is characterized in that the engine room inside is additionally provided with power generation
Machine, cabin side are additionally provided with impeller, and the impeller drives generator to turn under the driving of wind by main shaft or main shaft and gear-box
Dynamic power generation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510830294.5A CN105510633B (en) | 2015-11-25 | 2015-11-25 | Wind vane zero correction system |
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|---|---|---|---|
| CN201510830294.5A CN105510633B (en) | 2015-11-25 | 2015-11-25 | Wind vane zero correction system |
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| CN106526238A (en) * | 2016-11-04 | 2017-03-22 | 西安热工研究院有限公司 | Apparatus and method for on-site detecting and correcting measurement precision of anemometer and anemoscope of wind mill |
| CN108072772B (en) * | 2016-11-14 | 2020-10-13 | 北京国电思达科技有限公司 | Application method of wind vane N-position correction tool |
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