CN217152192U - Fan blade clearance detection device based on unmanned aerial vehicle - Google Patents
Fan blade clearance detection device based on unmanned aerial vehicle Download PDFInfo
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- CN217152192U CN217152192U CN202220743073.XU CN202220743073U CN217152192U CN 217152192 U CN217152192 U CN 217152192U CN 202220743073 U CN202220743073 U CN 202220743073U CN 217152192 U CN217152192 U CN 217152192U
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- 238000012544 monitoring process Methods 0.000 description 6
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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 relates to a fan blade headroom detection field, in particular to a fan blade headroom detection device based on an unmanned aerial vehicle, the device comprises a headroom detection probe (1), an unmanned aerial vehicle (2), a laser radar and an airborne computer (3); the clearance detection probe (1) and the airborne computer (3) are installed on the unmanned aerial vehicle (2); the laser radar is arranged in the clearance detection probe (1) and is used for detecting the position information of the fan blade; unmanned aerial vehicle (2), based on fan blade's positional information is used for driving clearance test probe (1) centers on fan blade moves to stop in the assigned position, clearance test probe (1) is gathered fan blade's gesture data, point cloud data and image data transmit to airborne computer (3).
Description
Technical Field
The utility model relates to a fan blade headroom detection area, in particular to fan blade headroom detection device based on unmanned aerial vehicle.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. When the wind power drives the armature of the generator to rotate, the armature coil cuts magnetic lines of force in a magnetic field because of residual magnetism of a magnetic pole iron core of the generator, and current is generated by magnetic induction and output through the carbon brush according to the electromagnetic induction principle.
The blade tip tower barrel clearance refers to the minimum geometric distance between a blade tip part and a tower barrel when a blade sweeps through the tower barrel when a hub of the wind driven generator rotates. The shape of a rotating curved surface formed by the blades rotating when stressed against wind often changes along with the change of wind load, so that in order to avoid the motion interference between the blades and the tower drum, the tip tower drum clearance under various working conditions needs to be calculated through simulation during design, and the running safety of the fan is ensured.
The existing fan blade clearance detection device is installed on the ground, a point is positioned on the ground away from the safe clearance value of the outer wall of a tower barrel of a fan, then a laser range finder is installed on a cabin of the fan, the laser range finder is designed with a plurality of laser heads, the light beam of one laser head strikes the critical position of the lower blade tip of the blade to trigger the safe clearance, the light beams of the other laser heads strike the area near the lower blade tip of the blade, the distance measured by the laser range finder is the distance between the laser range finder and the lower blade tip of the blade, the control system of the fan monitors the change, can make a judgment, alarm and stop, and the blade stops rotating to ensure the safe operation of the fan, under the action of the plurality of laser heads, the blade enters the unsafe clearance area to monitor a plurality of points of the area near the lower blade tip, the plurality of points form a surface, namely, when the blade sweeps the monitoring position, the surface can be monitored, clearance misinformation caused by non-blade behavior can be avoided by monitoring the surface.
However, the fan blade clearance detection device installed on the ground surface needs to be measured on the ground and needs a plurality of laser heads. Each time of measuring one fan, the position of the clearance detection device from the fan needs to be determined through calculation, and the precision is reduced due to the complex influence of the ground surface condition; and the solar fan is not reusable, a detection device needs to be configured for one solar fan, and the cost of fan blade detection is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome current fan blade headroom detection device and detect the problem that the precision is low and do not have the reusability to a fan blade headroom detection device based on unmanned aerial vehicle is provided.
In order to solve the technical problem, the utility model discloses a fan blade headroom detection device based on unmanned aerial vehicle that technical scheme provided, include: clearance detection probe 1, the apparatus further comprises: the system comprises an unmanned aerial vehicle 2, a laser radar and an airborne computer 3; wherein the content of the first and second substances,
the clearance detection probe 1 and the airborne computer 3 are installed on the unmanned aerial vehicle 2;
the laser radar is arranged in the clearance detection probe 1 and is used for detecting the position information of the fan blade;
unmanned aerial vehicle 2, based on fan blade's positional information is used for driving clearance test probe 1 centers on fan blade moves to stop in the assigned position, clearance test probe 1 gathers fan blade's attitude data, point cloud data and image data transmit to airborne computer 3.
As an improvement of the above device, the clearance detection probe 1 is fixedly connected with the unmanned aerial vehicle 2 through a mounting bracket; the mounting bracket includes: the device comprises a support base 5-1, a sliding support 5-2 and a support frame 5-3; wherein the content of the first and second substances,
a first guide rail groove is arranged above the bracket base 5-1; a second guide rail groove is formed below the two cross beams of the support frame 5-3;
the sliding support 5-2 is arranged between the support base 5-1 and the support frame 5-3, the upper part of the sliding support is embedded in the first guide rail groove, and the sliding support is connected with the support base 5-1 through a screw; the lower parts of the two beams are embedded in the second guide rail grooves of the two beams and are fixedly connected with the bracket frame 5-3 through screws;
the clearance detection probe 1 is arranged below the bracket base 5-1; the unmanned aerial vehicle 2 is arranged above the support frame 5-3.
As an improvement of the above device, the clearance detection probe 1 is provided with an aviation plug 5-4 for supplying power to the rechargeable battery inside the clearance detection probe 1 and also for connecting with the onboard computer 3 during clearance detection, so that the clearance detection probe 1 communicates with the onboard computer 3.
As an improvement of the above device, an IMU sensor, a laser radar and an industrial camera are arranged in the clearance detection probe 1; the IMU sensor is used for acquiring attitude data of the fan blade; the laser radar is used for acquiring point cloud data of the fan blade; the industrial camera is used for acquiring image data of the fan blade.
As an improvement of the device, the laser radar adopts a wide-angle radar, and two prisms with different angles are arranged in the laser radar, so that the field angle of the laser radar covers the fan blade and the fan tower barrel simultaneously.
The utility model discloses an unmanned aerial vehicle drives clearance test probe's laser radar scanning and detects fan blade clearance value, need not to install, saves the installer cost, still has high reusability simultaneously, because do not need fixed mounting, so an unmanned aerial vehicle solar energy fan blade detection device can detect a plurality of solar energy fan blades.
2. The utility model discloses compare in on land and at solar fan self installation fan blade headroom detection device, realize saving the cost, avoid the risk, improve the purpose of reusability.
Drawings
Fig. 1 is a schematic diagram of the unmanned aerial vehicle-based fan blade clearance detection device of the present invention;
fig. 2 is a schematic view of the mounting bracket of the present invention.
Reference symbols of the drawings
1. Clearance detection probe 2, unmanned aerial vehicle 3, airborne computer
5-1 parts of bracket base 5-2 parts of sliding bracket 5-3 parts of bracket frame
5-4, aviation plug
Detailed Description
The technical solution provided by the present invention is further illustrated by the following embodiments.
Example 1
As shown in FIG. 1, the schematic diagram of the fan blade clearance detection device based on the UAV includes: clearance detection probe 1, the apparatus further comprises: the system comprises an unmanned aerial vehicle 2, a laser radar and an airborne computer 3; wherein the content of the first and second substances,
the clearance detection probe 1 and the airborne computer 3 are installed on the unmanned aerial vehicle 2;
the laser radar is arranged in the clearance detection probe 1 and is used for detecting the position information of the fan blade;
unmanned aerial vehicle 2, based on fan blade's positional information is used for driving clearance test probe 1 centers on fan blade moves to stop in the assigned position, clearance test probe 1 gathers fan blade's gesture data, point cloud data and image data transmit to airborne computer 3.
The clearance detection probe 1 is fixedly connected with the unmanned aerial vehicle 2 through a mounting bracket; the mounting bracket includes: the device comprises a support base 5-1, a sliding support 5-2 and a support frame 5-3; wherein the content of the first and second substances,
a first guide rail groove is arranged above the bracket base 5-1; a second guide rail groove is formed below the two cross beams of the support frame 5-3;
the sliding support 5-2 is arranged between the support base 5-1 and the support frame 5-3, the upper part of the sliding support is embedded in the first guide rail groove, and the sliding support is connected with the support base 5-1 through a screw; the lower parts of the two cross beams are embedded in the second guide rail grooves of the two cross beams and are fixedly connected with the bracket frames 5-3 through screws;
the clearance detection probe 1 is arranged below the bracket base 5-1; the unmanned aerial vehicle 2 is arranged above the support frame 5-3.
The clearance detection probe 1 is provided with an aviation plug 5-4, which is used for supplying power to a rechargeable battery inside the clearance detection probe 1 and is also used for being connected with the airborne computer 3 during clearance detection, so that the clearance detection probe 1 is communicated with the airborne computer 3.
An IMU sensor, a laser radar and an industrial camera are arranged in the clearance detection probe 1; the IMU sensor is used for acquiring attitude data of the fan blade; the laser radar is used for acquiring point cloud data of the fan blade; the industrial camera is used for acquiring image data of the fan blade.
The laser radar adopts a wide-angle radar, and two prisms with different angles are arranged in the laser radar, so that the field angle of the laser radar covers the fan blade and the fan tower drum at the same time.
The specific principle is that the laser radar 3 detects the position information of the fan blade; through unmanned aerial vehicle 2, based on fan blade's positional information drives clearance test probe 1 centers on fan blade moves to stop in the assigned position, make clearance test probe 1 gathers fan blade's gesture data, point cloud data and image data. The prior art that the position information of the fan blade is detected by the laser radar 3, the attitude data of the fan blade is collected by the unmanned aerial vehicle 2 based on preset orbit flight and an IMU sensor, the point cloud data of the fan blade is collected by the laser radar, and the image data of the fan blade is collected by the industrial camera is mature.
The utility model discloses the control system that gesture data, point cloud data and image data of collection can combine the fan uses. When the clearance of the blades is automatically monitored, in the running process of the fan, if the blades run in a safe clearance area, the distance measured by the laser distance meter is the distance between the blades and the position where the ground laser is irradiated, if the blades enter a non-safe clearance area due to the action of strong wind, the laser is irradiated on the blades, the distance measured by the laser distance meter changes, and the distance measured by the laser distance meter is the distance between the blades and the lower blade tips of the blades; the utility model discloses follow-up control system that can combine the fan to monitor above-mentioned change, make the judgement, the warning is shut down, and the blade stops rotatoryly, in order to guarantee fan operation safety. The control system of fan utilizes the utility model discloses the data of collection can obtain three-dimensional modeling data for near regional a plurality of points of apex under the blade gets into unsafe headroom region just can monitoring, and these a plurality of points form a face, can monitor a face when the blade sweeps the monitoring position promptly, can avoid the headroom wrong report that arouses by non-blade action through this face of monitoring, thereby improves the accuracy that the headroom reported to the police.
Wind power generation is a potential new energy, and meets the requirements of government advocates and human development, and pollution-free energy is the main trend of future development. The utility model provides a fan blade headroom detection device based on unmanned aerial vehicle can real-time detection fan blade headroom value, and whether monitoring fan blade that can be fine operates normally to and whether there is the defect, be a real-time, automatic, intelligent detection device can help a large amount of fans of the better management of mankind.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.
Claims (5)
1. A fan blade headroom detection device based on unmanned aerial vehicle includes: clearance detection probe (1), characterized in that, the device further comprises: the system comprises an unmanned aerial vehicle (2), a laser radar and an airborne computer (3); wherein the content of the first and second substances,
the clearance detection probe (1) and the airborne computer (3) are installed on the unmanned aerial vehicle (2);
the laser radar is arranged in the clearance detection probe (1) and is used for detecting the position information of the fan blade;
unmanned aerial vehicle (2), based on fan blade's positional information is used for driving clearance test probe (1) centers on fan blade moves to stop in the assigned position, clearance test probe (1) is gathered fan blade's gesture data, point cloud data and image data transmit to airborne computer (3).
2. The unmanned aerial vehicle-based fan blade clearance detection apparatus of claim 1, wherein the clearance detection probe (1) is fixedly connected with the unmanned aerial vehicle (2) through a mounting bracket; the mounting bracket includes: a bracket base (5-1), a sliding bracket (5-2) and a bracket frame (5-3); wherein the content of the first and second substances,
a first guide rail groove is arranged above the bracket base (5-1); a second guide rail groove is arranged below the two cross beams of the support frame (5-3);
the sliding support (5-2) is arranged between the support base (5-1) and the support frame (5-3), the upper part of the sliding support is embedded in the first guide rail groove and is connected with the support base (5-1) through a screw; the lower parts of the two cross beams are embedded in the second guide rail grooves of the two cross beams and are fixedly connected with the bracket frames (5-3) through screws;
the clearance detection probe (1) is arranged below the bracket base (5-1); the unmanned aerial vehicle (2) is installed above the support frame (5-3).
3. The unmanned aerial vehicle-based fan blade clearance detection device of claim 1, wherein the clearance detection probe (1) is provided with an aviation plug (5-4) for supplying power to a rechargeable battery inside the clearance detection probe (1) and for connecting with an onboard computer (3) during clearance detection, so that the clearance detection probe (1) communicates with the onboard computer (3).
4. The unmanned-aerial-vehicle-based fan blade clearance detection apparatus of claim 1, wherein an IMU sensor, a lidar and an industrial camera are disposed within the clearance detection probe (1); the IMU sensor is used for acquiring attitude data of the fan blade; the laser radar is used for acquiring point cloud data of the fan blade; the industrial camera is used for acquiring image data of the fan blade.
5. The unmanned aerial vehicle-based fan blade clearance detection device of claim 1, wherein the lidar employs a wide-angle radar, and two prisms with different angles are disposed in the lidar such that the field angle of the lidar covers both the fan blade and the fan tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220743073.XU CN217152192U (en) | 2022-04-01 | 2022-04-01 | Fan blade clearance detection device based on unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220743073.XU CN217152192U (en) | 2022-04-01 | 2022-04-01 | Fan blade clearance detection device based on unmanned aerial vehicle |
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| CN217152192U true CN217152192U (en) | 2022-08-09 |
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| CN202220743073.XU Active CN217152192U (en) | 2022-04-01 | 2022-04-01 | Fan blade clearance detection device based on unmanned aerial vehicle |
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- 2022-04-01 CN CN202220743073.XU patent/CN217152192U/en active Active
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Effective date of registration: 20240429 Address after: Room 104, 105, and 203, Building 13, Phase II, Depu Wuhe Enterprise Park, No.1 Luoluotang Road, Changsha Economic and Technological Development Zone, Hunan Province, 410000 Patentee after: Hunan Watman Robotics Technology Co.,Ltd. Country or region after: China Address before: 100038 A-20, 155 jijiamiao, Huaxiang, Fengtai District, Beijing Patentee before: Beijing watman Intelligent Technology Co.,Ltd. Country or region before: China |