CN113985055A - Wind pressure type front wind measuring system and working method thereof - Google Patents
Wind pressure type front wind measuring system and working method thereof Download PDFInfo
- Publication number
- CN113985055A CN113985055A CN202111415350.0A CN202111415350A CN113985055A CN 113985055 A CN113985055 A CN 113985055A CN 202111415350 A CN202111415350 A CN 202111415350A CN 113985055 A CN113985055 A CN 113985055A
- Authority
- CN
- China
- Prior art keywords
- wind
- measuring device
- pressure type
- module
- wind speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 30
- 230000008054 signal transmission Effects 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000012937 correction Methods 0.000 claims description 20
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000011217 control strategy Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind pressure type front wind measurement system and a working method thereof, and belongs to the technical field of wind measurement. The wind pressure type wind speed measuring device comprises a wind pressure type wind speed measuring device, a wind direction measuring device, a signal processing unit and a signal transmission unit; wind pressure formula wind speed measuring device passes through the installation component and installs the central position in the wheel hub kuppe outside, and wind direction measuring device installs in the cabin top, and wind pressure formula wind speed measuring device and wind direction measuring device are all just to the incoming flow direction and be connected with signal processing unit respectively, and signal processing unit is connected with signal transmission unit, and signal transmission unit connects to host computer unit. The wind speed measured by the system is the real incoming flow wind speed which is not influenced by the acting of the blades, the accurate wind alignment of wind speed measurement can be realized by using the fan yaw system, the complex processes of measurement, calculation and fitting of a transfer function of a cabin can be omitted, the measured incoming flow wind speed can provide powerful support for the control strategy optimization and the generated energy promotion of a follow-up fan, and the system has a good application prospect.
Description
Technical Field
The invention belongs to the technical field of wind measurement, and particularly relates to a wind pressure type preposed wind measurement system and a working method thereof.
Background
In recent years, with the rapid development of the wind power industry, the accurate evaluation of the performance of the fan, the power forecast, the life extension of the fan and the like all put high requirements on the accuracy of the measurement of the incoming flow wind speed.
However, due to technical limitations, there is no method for directly measuring the incoming wind speed, and the wind speed is generally measured by an anemometer installed on the nacelle, but the wind speed measured at this position is the wind speed after the blade performs work, and is greatly different from the incoming wind speed.
At present, the common practice is to perform more than one month of simultaneous measurement by using a surface laser radar and a cabin anemometer, and fit the measurement into a cabin transfer function, so as to reversely push the cabin wind speed to the incoming flow wind speed. However, the time cost, the labor cost and the economic cost are high, and generally, transfer function fitting is difficult to be performed on a machine position by machine position basis, and a large error still exists.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a wind pressure type front wind measurement system and a working method thereof, which have reasonable structural design and simple layout, and can effectively measure incoming wind speed and reduce measurement errors.
The invention is realized by the following technical scheme:
the invention discloses a wind pressure type preposed wind measuring system which comprises a wind pressure type wind speed measuring device, a wind direction measuring device, a signal processing unit and a signal transmission unit, wherein the wind pressure type wind speed measuring device is connected with the signal processing unit; the wind pressure type wind speed measuring device is arranged at the central position of the outer side of the hub flow guide cover through the mounting assembly, the wind direction measuring device is arranged above the engine room, and the wind pressure type wind speed measuring device and the wind direction measuring device are both over against the incoming flow direction; the wind pressure type wind speed measuring device and the wind direction measuring device are respectively connected with the signal processing unit, the signal processing unit is connected with the signal transmission unit, and the signal transmission unit is connected with the upper computer unit.
Preferably, the mounting assembly comprises a base and a mounting seat, the mounting seat is fixedly mounted on the inner side of the hub air guide sleeve, a plurality of screw holes are formed in the mounting seat, the base is connected with the mounting seat through bolts, and the wind pressure type wind speed measuring device is detachably mounted on the base.
Further preferably, an elastic buffer layer is arranged between the wind pressure type wind speed measuring device and the base.
Preferably, the wind pressure type wind speed measuring device is a piezoresistive pressure sensor, a ceramic pressure sensor or a diffused silicon pressure sensor.
Preferably, the wind direction measuring device is mounted above the nacelle on the rear side of the hub.
Preferably, the wind pressure type front wind measuring system further comprises a lightning rod, and the lightning rod is arranged on the rearmost side above the cabin.
Further preferably, the height of the lightning rod is greater than the wind direction measuring device.
Preferably, the installation axis of the wind pressure type wind speed measuring device and the wind direction measuring device is collinear with the axis of the hub air guide sleeve.
Preferably, the signal processing unit comprises a signal amplification module, a zero point correction module, a linearization processing module, a compensation circuit module, an error correction module, a filtering module and an a/D module, one end of the signal amplification module is respectively connected with the wind pressure type wind speed measuring device and the wind direction measuring device, the other end of the signal amplification module is connected with the zero point correction module, the zero point correction module is connected with the linearization processing module, the linearization processing module is connected with the compensation circuit module, the compensation circuit module is connected with the error correction module, the error correction module is connected with the filtering module, the filtering module is connected with the a/D module, and the a/D module is connected with the signal transmission unit.
The invention discloses a working method of the wind pressure type preposed wind measuring system, which comprises the following steps:
after a wind speed signal measured by the wind pressure type wind speed measuring device and a wind direction signal measured by the wind direction measuring device are processed by the signal processing unit, the processed signals are sent to the upper computer unit through the signal transmission unit.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention discloses a wind pressure type preposed wind measuring system.A wind pressure type wind speed measuring device is arranged at the central position of the outer side of a hub air guide sleeve through a mounting assembly, the measured wind speed is the real incoming flow wind speed which is not influenced by the acting of blades, meanwhile, a wind direction measuring device is arranged above a cabin, and the accurate wind alignment of wind speed measurement can be realized by utilizing a fan yawing system; the wind pressure type wind speed measuring device has the advantages of high precision, low manufacturing cost and quick response, the complicated processes of measuring, calculating and fitting of a transfer function of the engine room can be omitted, the measured incoming wind speed can provide powerful support for the control strategy optimization and the generated energy promotion of the follow-up fan, and the wind pressure type wind speed measuring device has a good application prospect.
Furthermore, the mounting seat is fixedly mounted on the inner side of the hub air guide sleeve, so that the mounting firmness and stability are ensured; the base is connected with the mounting seat through the bolt, so that the mounting, the dismounting and the daily maintenance are convenient.
Furthermore, an elastic buffer layer is arranged between the wind pressure type wind speed measuring device and the base, so that the influence of vibration on the wind pressure type wind speed measuring device when the fan runs can be reduced.
Further, the wind direction measuring device is installed above the engine room on the rear side of the hub, and the influence of the operation of the fan on the measured wind direction can be reduced.
Further, the lightning rod can effectively protect the normal operation of the system and the fan.
Furthermore, the installation axis of the wind pressure type wind speed measuring device and the wind direction measuring device is collinear with the axis of the hub air guide sleeve, so that the measured wind speed and the measured wind direction are highly matched in position, and the measuring accuracy is improved.
Furthermore, the signal processing unit comprises a zero point correction module, a linearization processing module, a compensation circuit module and an error correction module besides the conventional signal amplification module, the filtering module and the A/D module, and can ensure the reliability, stability and accuracy of data signal transmission.
The working method of the wind pressure type preposed anemometry system disclosed by the invention has the advantages of high automation degree, high measurement precision and quick response, avoids the complicated processes of measurement, calculation and fitting of a cabin transfer function, and can provide powerful data support for the subsequent optimization of a fan control strategy and the promotion of generated energy.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1-a base; 2-wind pressure type wind speed measuring device; 3-mounting a base; 4-wind direction measuring means; 5-a lightning rod; 6-signal transmission unit.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are included to illustrate and not to limit the invention:
referring to fig. 1, the wind pressure type front wind measurement system of the present invention includes a wind pressure type wind speed measuring device 2, a wind direction measuring device 4, a signal processing unit and a signal transmission unit 6; the wind pressure type wind speed measuring device 2 is arranged at the central position of the outer side of the hub air guide sleeve through a mounting assembly, the wind direction measuring device 4 is arranged above the engine room, and the wind pressure type wind speed measuring device 2 and the wind direction measuring device 4 are both over against the incoming flow direction; the wind pressure type wind speed measuring device 2 and the wind direction measuring device 4 are respectively connected with a signal processing unit, the signal processing unit is connected with a signal transmission unit 6, and the signal transmission unit 6 is connected to an upper computer unit.
The upper computer unit can be a PLC control system of the wind generating set.
In a preferred embodiment of the present invention, the mounting assembly includes a base 1 and a mounting seat 3, the mounting seat 3 is fixedly mounted inside the hub air guide sleeve, the mounting seat 3 is provided with a plurality of screw holes, the base 1 is connected with the mounting seat 3 through bolts, and the wind pressure type wind speed measuring device 2 is detachably mounted on the base 1. Preferably, an elastic buffer layer is arranged between the wind pressure type wind speed measuring device 2 and the base 1. The elastic buffer layer can be a high polymer material layer, a rubber layer or a mechanical structure layer with vibration isolation function.
In a preferred embodiment of the present invention, the wind pressure type wind speed measuring device 2 is a piezoresistive pressure sensor, a ceramic pressure sensor or a diffused silicon pressure sensor, wherein a strain gauge, a stainless steel or a ceramic diaphragm should be vertically installed at a central position on the base 1 outside the hub air guide sleeve, and is opposite to the incoming wind speed.
In a preferred embodiment of the invention, the wind direction measuring device 4 is mounted above the nacelle on the rear side of the hub.
In a preferred embodiment of the invention, the wind pressure type front wind measuring system further comprises a lightning rod 5, and the lightning rod 5 is arranged at the rearmost side above the cabin. Preferably, the height of the lightning rod 5 is larger than the wind direction measuring device 4.
In a preferred embodiment of the invention, the installation axis of the wind pressure type wind speed measuring device 2 and the wind direction measuring device 4 is collinear with the axis of the hub fairing.
In a preferred embodiment of the present invention, the signal processing unit includes a signal amplification module, a zero point correction module, a linearization processing module, a compensation circuit module, an error correction module, a filter module and an a/D module, one end of the signal amplification module is connected to the wind pressure type wind speed measuring device 2 and the wind direction measuring device 4, the other end is connected to the zero point correction module, the zero point correction module is connected to the linearization processing module, the linearization processing module is connected to the compensation circuit module, the compensation circuit module is connected to the error correction module, the error correction module is connected to the filter module, the filter module is connected to the a/D module, and the a/D module is connected to the signal transmission unit 6.
The working method of the wind pressure type preposed wind measuring system comprises the following steps:
after the wind pressure type wind speed measuring device 2 is subjected to wind pressure, the strain gauge or the diaphragm can automatically convert mechanical deformation into a voltage signal which is in direct proportion to the pressure based on the piezoresistive effect, and the incoming flow wind speed is calculated by using the measured pressure delta P and the wind field air density rho according to the following formula:
after the wind speed signal measured by the wind pressure type wind speed measuring device 2 and the wind direction signal measured by the wind direction measuring device 4 are processed by the signal processing unit, the processed signals are sent to the upper computer unit through the signal transmission unit 6.
The above description is only a part of the embodiments of the present invention, and although some terms are used in the present invention, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention and are to be construed as any additional limitation which is not in accordance with the spirit of the invention. The foregoing is merely an illustration of the present invention for the purpose of providing an easy understanding and is not intended to limit the present invention to the particular embodiments disclosed herein, and any technical extensions or innovations made herein are protected by the present invention.
Claims (10)
1. A wind pressure type preposed wind measuring system is characterized by comprising a wind pressure type wind speed measuring device (2), a wind direction measuring device (4), a signal processing unit and a signal transmission unit (6); the wind pressure type wind speed measuring device (2) is arranged at the central position of the outer side of the hub air guide sleeve through the mounting assembly, the wind direction measuring device (4) is arranged above the engine room, and the wind pressure type wind speed measuring device (2) and the wind direction measuring device (4) are opposite to the incoming flow direction; the wind pressure type wind speed measuring device (2) and the wind direction measuring device (4) are respectively connected with the signal processing unit, the signal processing unit is connected with the signal transmission unit (6), and the signal transmission unit (6) is connected with the upper computer unit.
2. The wind pressure type front wind measuring system according to claim 1, wherein the mounting assembly comprises a base (1) and a mounting seat (3), the mounting seat (3) is fixedly mounted on the inner side of the hub air guide sleeve, a plurality of screw holes are formed in the mounting seat (3), the base (1) is connected with the mounting seat (3) through bolts, and the wind pressure type wind speed measuring device (2) is detachably mounted on the base (1).
3. The wind pressure type prepositive wind measuring system according to claim 2, characterized in that an elastic buffer layer is arranged between the wind pressure type wind speed measuring device (2) and the base (1).
4. The wind pressure type prepositioned wind measuring system according to claim 1, wherein the wind pressure type wind speed measuring device (2) is a piezoresistive pressure sensor, a ceramic pressure sensor or a diffused silicon pressure sensor.
5. Wind pressure type forward anemometry system according to claim 1, characterized in that the wind direction measuring device (4) is mounted above the nacelle on the rear side of the hub.
6. The wind pressure front anemometry system according to claim 1, characterized in that it further comprises a lightning rod (5), the lightning rod (5) being arranged on the rearmost side above the nacelle.
7. Wind pressure front anemometry system according to claim 6, characterized in that the height of the lightning rod (5) is larger than the wind direction measuring device (4).
8. The wind pressure type prepositive wind measuring system according to claim 1, characterized in that the installation axis of the wind pressure type wind speed measuring device (2) and the wind direction measuring device (4) is collinear with the axis of the hub fairing.
9. The wind pressure type prepositive wind measuring system according to claim 1, wherein the signal processing unit comprises a signal amplification module, a zero point correction module, a linearization processing module, a compensation circuit module, an error correction module, a filter module and an A/D module, one end of the signal amplification module is respectively connected with the wind pressure type wind speed measuring device (2) and the wind direction measuring device (4), the other end of the signal amplification module is connected with the zero point correction module, the zero point correction module is connected with the linearization processing module, the linearization processing module is connected with the compensation circuit module, the compensation circuit module is connected with the error correction module, the error correction module is connected with the filter module, the filter module is connected with the A/D module, and the A/D module is connected with the signal transmission unit (6).
10. The working method of the wind pressure type front wind measurement system according to any one of claims 1 to 9, comprising:
after the wind speed signal measured by the wind pressure type wind speed measuring device (2) and the wind direction signal measured by the wind direction measuring device (4) are processed by the signal processing unit, the processed signals are sent to the upper computer unit through the signal transmission unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111415350.0A CN113985055A (en) | 2021-11-25 | 2021-11-25 | Wind pressure type front wind measuring system and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111415350.0A CN113985055A (en) | 2021-11-25 | 2021-11-25 | Wind pressure type front wind measuring system and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113985055A true CN113985055A (en) | 2022-01-28 |
Family
ID=79731930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111415350.0A Pending CN113985055A (en) | 2021-11-25 | 2021-11-25 | Wind pressure type front wind measuring system and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113985055A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114675054A (en) * | 2022-02-23 | 2022-06-28 | 明阳智慧能源集团股份公司 | Wind direction identification method and system based on tower footing load of wind generating set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007138765A (en) * | 2005-11-16 | 2007-06-07 | Shoden Corp | Wind turbine generator |
| EP2653722A1 (en) * | 2012-04-17 | 2013-10-23 | Siemens Aktiengesellschaft | Yaw error sensor, wind turbine and yaw angle adjustment |
| CN106980030A (en) * | 2017-05-11 | 2017-07-25 | 中国华能集团清洁能源技术研究院有限公司 | Wind energy conversion system cabin integrated form wind speed and direction measuring device and method |
| CN107656092A (en) * | 2017-09-08 | 2018-02-02 | 中车山东机车车辆有限公司 | A kind of Wind turbines wind speed and direction measuring device and method |
| CN210572365U (en) * | 2019-10-21 | 2020-05-19 | 广州市深光助航设备有限公司 | Comprehensive wind direction and wind speed indicator |
-
2021
- 2021-11-25 CN CN202111415350.0A patent/CN113985055A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007138765A (en) * | 2005-11-16 | 2007-06-07 | Shoden Corp | Wind turbine generator |
| EP2653722A1 (en) * | 2012-04-17 | 2013-10-23 | Siemens Aktiengesellschaft | Yaw error sensor, wind turbine and yaw angle adjustment |
| CN106980030A (en) * | 2017-05-11 | 2017-07-25 | 中国华能集团清洁能源技术研究院有限公司 | Wind energy conversion system cabin integrated form wind speed and direction measuring device and method |
| CN107656092A (en) * | 2017-09-08 | 2018-02-02 | 中车山东机车车辆有限公司 | A kind of Wind turbines wind speed and direction measuring device and method |
| CN210572365U (en) * | 2019-10-21 | 2020-05-19 | 广州市深光助航设备有限公司 | Comprehensive wind direction and wind speed indicator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114675054A (en) * | 2022-02-23 | 2022-06-28 | 明阳智慧能源集团股份公司 | Wind direction identification method and system based on tower footing load of wind generating set |
| CN114675054B (en) * | 2022-02-23 | 2023-12-22 | 明阳智慧能源集团股份公司 | Wind direction identification method and system based on tower foundation load of wind generating set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101603500B (en) | Method and apparatus for measuring air flow condition at a wind turbine blade | |
| CN102944375B (en) | Compound pneumatic data sensor applicable to micro aerial vehicle | |
| CN201589784U (en) | Parallel three-dimensional wind-measuring sensor | |
| CN112485014B (en) | Split type turbofan engine nacelle force measurement test device with dynamic simulation and force measurement test method | |
| CN204788887U (en) | Sectional type trace hinge moment balance | |
| CN105241630A (en) | Pulse type rod strain balance applied to shock tunnel dynamometric test | |
| CN201653607U (en) | Axial force measuring sensor | |
| CN113985055A (en) | Wind pressure type front wind measuring system and working method thereof | |
| CN102298071A (en) | Device and method for measuring wind speed and wind direction | |
| CN108106812A (en) | A kind of dynamometric system for thrust calibration | |
| CN112347611A (en) | Method for calculating turbulence degree of far-field wake flow direction of wind turbine | |
| CN218272351U (en) | Wind pressure type prepositive wind measuring system | |
| CN215726701U (en) | Hypersonic wind tunnel rod type balance heat shield | |
| CN2836015Y (en) | Automatic anemometer tester | |
| CN102298072A (en) | High precision wind measuring device with micro-differential pressure type and method thereof | |
| CN108691727B (en) | Wind turbine guide sleeve | |
| CN209342159U (en) | A kind of flow integrated transmitter of temperature and pressure based on high-precision sensor | |
| CN105004463A (en) | Piston type propeller engine thrust measuring method and piston type propeller engine thrust measuring device | |
| CN110487507A (en) | A kind of five component strain balances for nacelle internal resistance dynamometer check | |
| CN106092498A (en) | A kind of five component piezoelectric types " double balance " | |
| CN112697380B (en) | Standard airspeed tube position error calibration structure | |
| CN210719004U (en) | Tip clearance calibration measurement system based on shrouded blade coupling characteristics | |
| CN105092139A (en) | Wind mill blade surface pressure measuring cover and measuring system thereof | |
| CN115235404A (en) | Rotor and stator clearance correction method for heavy gas turbine | |
| CN113495169B (en) | Wind speed ultrasonic measurement system in front of wind wheel of wind turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220128 |