CN216241098U - Intelligent operation monitoring system of wind driven generator - Google Patents
Intelligent operation monitoring system of wind driven generator Download PDFInfo
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- CN216241098U CN216241098U CN202122101505.5U CN202122101505U CN216241098U CN 216241098 U CN216241098 U CN 216241098U CN 202122101505 U CN202122101505 U CN 202122101505U CN 216241098 U CN216241098 U CN 216241098U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses an intelligent operation monitoring system of a wind driven generator, which comprises an upper computer, a lower controller, a pressure sensor, a settlement sensor, a vibration sensor, an acceleration sensor and an inclination angle sensor, wherein the upper computer is connected with the lower controller through a pipeline; the pressure sensors are arranged at the bottom of the nut of the tower base screw and used for measuring the static tension of the nut, and the pressure sensors are uniformly distributed in an annular shape; the sedimentation sensors are fixed on the tower base and used for measuring the sedimentation amount of the tower base, and the sedimentation sensors are uniformly distributed in an annular shape; the vibration sensor is arranged at the head end of the fan blade and used for measuring the vibration quantity of the fan blade; the acceleration sensors are fixed on the inner wall of the tower drum and used for detecting the movement acceleration of the tower drum; the inclination angle sensor is arranged on the wall of the tower barrel and used for measuring the inclination of the tower barrel.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, and particularly relates to an intelligent operation monitoring system for a wind driven generator.
Background
The wind power generator is an electric power device which converts wind energy into mechanical energy, and the mechanical energy drives a rotor to rotate so as to finally output alternating current. The wind power generator generally comprises fan blades, a generator, a direction regulator, a tower, a speed-limiting safety mechanism, an energy storage device and other components. The fan blades drive the slow-speed shaft to rotate, the slow-speed shaft drives the fast shaft to rotate through the gear box, and the fast shaft drives the generator to rotate to complete power generation operation.
The height of a tower drum of a modern large-scale wind generating set is generally between 50 and 120 meters, and the tower drum bears complex and variable loads such as thrust, bending moment, torque load and the like and is influenced by various meteorological conditions and geological factors, so that the tower drum serving as an elastic rigid body generates certain-amplitude deformation such as swinging, twisting and the like in the operation process of the wind generating set, and the wind generating set generates larger deviation with a horizontal plane. In addition, the wind generating set generates large eccentric bending moment under the load action of an engine room, wind power of blades and the like, so that the verticality of the wind generating set is poor, the normal operation of the wind generating set can be influenced by the overlarge deformation of a tower, and the wind generating set can overturn and generate safety accidents in serious cases.
Therefore, how to effectively monitor the wind generating set in real time to avoid the occurrence of safety accidents is a technical problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligent operation monitoring system for a wind driven generator, and aims to solve the technical problem.
Therefore, the utility model adopts the following technical scheme:
an intelligent operation monitoring system of a wind driven generator comprises an upper computer, a lower controller, a pressure sensor, a settlement sensor, a vibration sensor, an acceleration sensor and an inclination angle sensor;
the pressure sensors are arranged at the bottom of the nut of the tower base screw and used for measuring the static tension of the nut, and the pressure sensors are uniformly distributed in an annular shape;
the sedimentation sensors are fixed on the tower base and used for measuring the sedimentation amount of the tower base, and the sedimentation sensors are uniformly distributed in an annular shape;
the vibration sensor is arranged at the head end of the fan blade and used for measuring the vibration quantity of the fan blade;
the acceleration sensors are fixed on the inner wall of the tower drum and used for detecting the movement acceleration of the tower drum;
the inclination angle sensor is arranged on the wall of the tower barrel and used for measuring the inclination of the tower barrel;
the pressure sensor, the settlement sensor, the vibration sensor, the acceleration sensor and the inclination angle sensor are respectively in signal connection with a lower controller, and the lower controller is in wireless signal connection with an upper computer.
Furthermore, the upper computer is arranged in the wind driven generator control center and comprises a data storage unit, a data processing unit, a display unit and a communication unit, and the data processing unit is used for calculating and processing data measured by each sensor.
Further, the lower controller is arranged in a cabin of the wind driven generator.
Further, the vibration sensor is connected with the lower controller through a wireless signal.
Furthermore, the pressure sensor, the sedimentation sensor, the acceleration sensor and the inclination angle sensor are in signal connection with the controller by adopting optical fibers.
The wind driven generator is provided with the pressure sensor, the settlement sensor, the vibration sensor, the acceleration sensor and the inclination angle sensor, can be used for monitoring parameters such as stress, vibration and deflection of a tower base, a tower barrel and fan blades, monitors the running condition of the wind driven generator in multiple directions, is beneficial to finding and processing the wind driven generator at the first time when the wind driven generator is abnormal, and improves the running safety of equipment.
Drawings
FIG. 1 is a control schematic of the present invention;
in the figure: 1-an upper computer, 2-a lower controller, 3-a pressure sensor, 4-a settlement sensor, 5-a vibration sensor, 6-an acceleration sensor and 7-an inclination angle sensor.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, an intelligent operation monitoring system for a wind driven generator comprises an upper computer 1, a lower controller 2, a pressure sensor 3, a settlement sensor 4, a vibration sensor 5, an acceleration sensor 6 and an inclination sensor 7. The upper computer 1 is arranged in a wind driven generator control center, the upper computer 1 comprises a data storage unit, a data processing unit, a display unit and a communication unit, and the data processing unit is used for calculating and processing data measured by each sensor. The lower controller 2 is provided in the nacelle of the wind turbine.
Pressure sensor 3 includes a plurality ofly, and pressure sensor 3 locates the nut bottom of tower seat screw rod for measure the quiet pulling force of nut, a plurality of pressure sensor 3 are annular evenly distributed. The pressure sensor 3 adopts a strain sensing unit, when the bolt is pulled, the nut is extruded, and the strain sensing unit converts a pressure signal into an electric signal for monitoring the dynamic characteristics of the tower barrel. When the extreme difference of the monitoring value of the pressure sensor 3 is too large, the tower base is stressed unevenly, and the wind driven generator has instability risk.
The settlement sensors 4 comprise a plurality of settlement sensors, the settlement sensors 4 are fixed on the tower base and used for measuring the settlement amount of the tower base, and the plurality of settlement sensors 4 are uniformly distributed in an annular shape. The settlement sensors 4 are arranged at the same height, the settlement mean value of each settlement sensor 4 is the average settlement amount, and when the settlement numerical value difference of the settlement sensors 4 is large, the tower base is proved to have uneven settlement.
The vibration sensor 5 is arranged at the head end of the fan blade and used for measuring the vibration quantity of the fan blade, when the vibration sensor 5 detects that the vibration quantity exceeds a maximum threshold value, the problem of the fan blade structure is shown, if the fan blade works under the condition of high vibration for a long time, the fan blade can be damaged, and at the moment, the wind driven generator needs to be stopped in time.
The acceleration sensor 6 comprises a plurality of acceleration sensors, and the acceleration sensor 6 is fixed on the inner wall of the tower and used for detecting the movement acceleration of the tower. When the wind driven generator works, the tower barrel is influenced by various loads and has periodic vibration, and the vibration condition of the tower barrel is monitored in time through the acceleration sensor 6.
The inclination angle sensor 7 is arranged at the wall of the tower barrel, the inclination angle sensor 7 is used for measuring the inclination of the tower barrel, when the inclination angle is detected to exceed the maximum threshold value, the wind driven generator needs to be stopped in time, and the tower barrel is likely to collapse due to instability.
The pressure sensor 3, the settlement sensor 4, the vibration sensor 5, the acceleration sensor 6 and the inclination angle sensor 7 are respectively in signal connection with the lower controller 2, and the lower controller 2 is in wireless signal connection with the upper computer 1. The vibration sensor 5 is connected with the lower controller 2 through wireless signals. The pressure sensor 3, the settlement sensor 4, the acceleration sensor 6 and the inclination sensor 7 are in signal connection with the controller by adopting optical fibers.
The upper computer 1 saves the data monitored by each sensor in a data storage unit, processes the data through a data processing unit, monitors the real-time state of the wind driven generator, and sends prompt information at the first time through a display unit of the upper computer 1 when the sensors monitor that certain signals are abnormal.
It should be noted that the above are only some embodiments of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. An intelligent operation monitoring system of a wind driven generator is characterized by comprising an upper computer (1), a lower controller (2), a pressure sensor (3), a settlement sensor (4), a vibration sensor (5), an acceleration sensor (6) and an inclination sensor (7);
the pressure sensors (3) are arranged at the bottom of the nut of the screw rod of the tower base and used for measuring the static tension of the nut, and the pressure sensors (3) are uniformly distributed in an annular shape;
the sedimentation sensors (4) are fixed on the tower base and used for measuring the sedimentation amount of the tower base, and the sedimentation sensors (4) are uniformly distributed in an annular shape;
the vibration sensor (5) is arranged at the head end of the fan blade and used for measuring the vibration quantity of the fan blade;
the acceleration sensors (6) are fixed on the inner wall of the tower barrel and used for detecting the moving acceleration of the tower barrel;
the inclination angle sensor (7) is arranged at the cylinder wall of the tower cylinder, and the inclination angle sensor (7) is used for measuring the inclination of the tower cylinder;
the pressure sensor (3), the settlement sensor (4), the vibration sensor (5), the acceleration sensor (6) and the inclination angle sensor (7) are respectively in signal connection with the lower controller (2), and the lower controller (2) is in wireless signal connection with the upper computer (1).
2. The intelligent operation monitoring system of the wind driven generator according to claim 1, wherein the upper computer (1) is arranged in a wind driven generator control center, the upper computer (1) comprises a data storage unit, a data processing unit, a display unit and a communication unit, and the data processing unit is used for calculating and processing data measured by each sensor.
3. The intelligent operation monitoring system for the wind driven generator according to claim 1, wherein the lower controller (2) is arranged in a cabin of the wind driven generator.
4. The intelligent wind generator operation monitoring system according to claim 1, wherein the vibration sensor (5) is connected with the lower controller (2) through wireless signals.
5. The intelligent operation monitoring system of the wind driven generator according to claim 1, wherein the pressure sensor (3), the settlement sensor (4), the acceleration sensor (6) and the inclination sensor (7) are in signal connection with the controller by adopting optical fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122101505.5U CN216241098U (en) | 2021-09-02 | 2021-09-02 | Intelligent operation monitoring system of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122101505.5U CN216241098U (en) | 2021-09-02 | 2021-09-02 | Intelligent operation monitoring system of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241098U true CN216241098U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122101505.5U Active CN216241098U (en) | 2021-09-02 | 2021-09-02 | Intelligent operation monitoring system of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241098U (en) |
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2021
- 2021-09-02 CN CN202122101505.5U patent/CN216241098U/en active Active
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