Search

CN-224214303-U - Wind turbine generator tower detection system and wind turbine generator

CN224214303UCN 224214303 UCN224214303 UCN 224214303UCN-224214303-U

Abstract

The utility model relates to the technical field of wind power generation and discloses a wind turbine generator tower drum detection system and a wind turbine generator, wherein an internal sensor module is arranged inside a tower drum, an external sensor module is arranged outside the tower drum, one end of a data acquisition module is respectively connected with the internal sensor module and the external sensor module, the other end of the data acquisition module is connected with one end of a data processing module, the other end of the data processing module is connected with one end of a communication module, and the other end of the communication module is connected with a remote monitoring center. According to the utility model, the sensor modules are arranged at the inner part and the outer part of the tower, so that the state data of the tower can be comprehensively collected, then the analysis and judgment are carried out according to the state data, the abnormal conditions on the surface and the inner part of the tower can be accurately judged, and the accuracy of the detection result of the tower is improved.

Inventors

  • ZHANG LI
  • ZHAO YUN
  • XU ZHAO
  • SONG YANG
  • Zong Huaming
  • LIU XIU

Assignees

  • 华电新能源集团股份有限公司山西分公司

Dates

Publication Date
20260508
Application Date
20250424

Claims (8)

  1. 1. A wind turbine tower detection system is characterized by comprising an internal sensor module, an external sensor module, a data acquisition module, a data processing module and a communication module, wherein, The internal sensor module is arranged in the tower and is used for detecting the integrity of the internal structure of the tower, the wall thickness change and the stress distribution condition; The external sensor module is arranged outside the tower and is used for detecting the abrasion and deformation of the surface of the tower and the influence condition of external environmental factors on the tower; one end of the data acquisition module is respectively connected with the internal sensor module and the external sensor module, the other end of the data acquisition module is connected with one end of the data processing module, the other end of the data processing module is connected with one end of the communication module, and the other end of the communication module is connected with a remote monitoring center; The external sensor module comprises a camera and a laser radar, wherein, The camera is arranged on the mounting frame, the mounting frame is fixed on an overhaul track outside the tower, and the mounting frame can be used for rotation and pitching adjustment; The laser radar is arranged on a telescopic cantilever structure, the telescopic cantilever structure is arranged at the top of the tower barrel, and the telescopic cantilever structure can rotate; the internal sensor module comprises an ultrasonic sensor and a strain gauge sensor, wherein, The ultrasonic sensors are embedded in the flexible liner in an array form, and the flexible liner is attached to the inner wall of the tower; the strain gauge sensor is stuck to a stress monitoring point inside the tower barrel.
  2. 2. The wind turbine tower inspection system of claim 1, wherein the data acquisition module comprises a first data acquisition unit, a second data acquisition unit, a third data acquisition unit, and a fourth data acquisition unit, wherein, One end of the first data acquisition unit is connected with the camera, and the other end of the first data acquisition unit is connected with a first channel of the data processing module; One end of the second data acquisition unit is connected with the laser radar, and the other end of the second data acquisition unit is connected with a second channel of the data processing module; One end of the third data acquisition unit is connected with the ultrasonic sensor, and the other end of the third data acquisition unit is connected with a third channel of the data processing module; One end of the fourth data acquisition unit is connected with the strain gauge sensor, and the other end of the fourth data acquisition unit is connected with a fourth channel of the data processing module.
  3. 3. The wind turbine tower inspection system of claim 1, further comprising a protective cover over the lidar.
  4. 4. The wind turbine tower inspection system of claim 1, wherein the mounting frame is fixed on an external repair rail of the tower in a magnetic attraction or mechanical clamping manner.
  5. 5. The wind turbine tower inspection system of claim 1, wherein the flexible liner is attached to the inner wall of the tower by gluing or mechanical fastening.
  6. 6. The wind turbine tower inspection system of claim 1, wherein the laser radar has a horizontal scan angle ranging from 0 to 360 degrees and a vertical scan angle ranging from-15 degrees to +15 degrees.
  7. 7. The wind turbine tower inspection system of claim 1, wherein the ultrasonic sensor has an operating frequency in the range of 2 to 5 MHz.
  8. 8. A wind turbine comprising a wind turbine tower detection system according to any of claims 1 to 7.

Description

Wind turbine generator tower detection system and wind turbine generator Technical Field The utility model relates to the technical field of wind power generation, in particular to a wind turbine generator tower drum detection system and a wind turbine generator. Background Wind power generation is a clean and renewable energy source, and the core equipment is a wind generating set. The main structure of the wind generating set comprises a tower barrel, a cabin at the top of the tower barrel and wind turbine blades. The wind wheel is driven by wind energy to convert mechanical energy into electric energy. With the wide application of wind power generation, the safety and reliability of the wind turbine tower are important. At present, the tower detection method has some problems, such as low efficiency, high risk and difficulty in detecting some defects of hidden positions inside in the traditional manual detection mode, high misjudgment rate, incomplete data and the like in single-sensor detection. Therefore, a more efficient and accurate tower detection scheme is needed. Disclosure of utility model In view of the above, the utility model provides a wind turbine tower detection system and a wind turbine, which are used for solving the problems of low efficiency, high risk, high misjudgment rate and incomplete data of the current tower detection method. In a first aspect, the utility model provides a wind turbine tower detection system, which comprises an internal sensor module, an external sensor module, a data acquisition module, a data processing module and a communication module, wherein, The internal sensor module is arranged in the tower and is used for detecting the integrity of the internal structure of the tower, the wall thickness change and the stress distribution condition; The external sensor module is arranged outside the tower and is used for detecting the abrasion and deformation of the surface of the tower and the influence condition of external environmental factors on the tower; One end of the data acquisition module is respectively connected with the internal sensor module and the external sensor module, the other end of the data acquisition module is connected with one end of the data processing module, the other end of the data processing module is connected with one end of the communication module, and the other end of the communication module is connected with the remote monitoring center. According to the wind turbine generator tower cylinder detection system, the sensor modules are arranged on the inner portion and the outer portion of the tower cylinder, so that the state data of the tower cylinder can be comprehensively collected, then the analysis and judgment are carried out according to the state data, the abnormal conditions on the surface and the inner portion of the tower cylinder can be accurately judged, and the accuracy of the tower cylinder detection result is improved. And the state data of the tower barrel is comprehensively acquired in a multi-sensor fusion mode, so that the data acquisition efficiency is improved, and the dangerous problem faced by manual detection is avoided. In an alternative embodiment, the external sensor module comprises a camera and a lidar, wherein, The camera is arranged on the mounting frame, the mounting frame is fixed on an overhaul track outside the tower, and the mounting frame can be used for rotation and pitching adjustment; The laser radar is arranged on a telescopic cantilever structure, the telescopic cantilever structure is arranged at the top of the tower barrel, and the telescopic cantilever structure can rotate. Through setting up mounting bracket and scalable cantilever structure into rotatable architecture, make camera and laser radar can cover required detection area, improved data detection's comprehensiveness. In an alternative embodiment, the internal sensor module includes an ultrasonic sensor and a strain gauge sensor, wherein, The ultrasonic sensors are embedded in the flexible liner in an array form, and the flexible liner is attached to the inner wall of the tower; the strain gauge sensor is stuck to a stress monitoring point inside the tower barrel. In an alternative embodiment, the data acquisition module comprises a first data acquisition unit, a second data acquisition unit, a third data acquisition unit, and a fourth data acquisition unit, wherein, One end of the first data acquisition unit is connected with the camera, and the other end of the first data acquisition unit is connected with a first channel of the data processing module; One end of the second data acquisition unit is connected with the laser radar, and the other end of the second data acquisition unit is connected with a second channel of the data processing module; One end of the third data acquisition unit is connected with the ultrasonic sensor, and the other end of the third data acquisition unit is connected with a third channel of the data p