CN-122014526-A - Deflection monitoring method and device for wind power generation tower and electronic equipment

CN122014526ACN 122014526 ACN122014526 ACN 122014526ACN-122014526-A

Abstract

The application provides a deflection monitoring method, a device, electronic equipment and a storage medium of a wind power generation tower, wherein the method comprises the steps of obtaining a tower barrel internal image acquired by an AI visual monitor installed in the tower barrel of the wind power generation tower after deflection, identifying a target position in the tower barrel internal image to obtain target position data, respectively obtaining tower displacement, tower barrel inclination angle and tower layer rotation angle according to the target initial position data and the target position data, and determining the tower displacement, the tower barrel inclination angle and the tower layer rotation angle as deflection data of the wind power generation tower. By implementing the application, the monitoring range of the tower barrel of the wind power generation tower can be enlarged, real-time monitoring is realized, microscopic changes of the tower barrel are effectively captured in time, the monitoring precision is improved, and the monitoring mode is simpler and more effective without manual operation.

Inventors

ZUO DEHUA
WANG WENQING
ZHANG HAORAN
ZHANG DONGXIAO
ZHANG LIQUN

Assignees

广州点图科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260205

Claims (10)

1. A method of monitoring deflection of a wind power tower, the method comprising: Acquiring an offset tower barrel internal image acquired by an AI visual monitor installed in the tower barrel of the wind power generation tower; Identifying a target position in the tower internal image to obtain target position data; Respectively obtaining tower displacement, tower inclination angle and tower rotation angle according to the target initial position data and the target position data; And determining the displacement of the tower layer, the inclination angle of the tower barrel and the rotation angle of the tower layer as offset data of the wind power generation tower.
2. The method for monitoring the deflection of a wind power generation tower according to claim 1, wherein before the step of identifying the target position in the tower interior image to obtain target position data, the method further comprises the steps of obtaining target initial position data; The step of obtaining target initial position data comprises the following steps: the targets comprise a first target, a second target, a third target, and a fourth target; Determining the plane where the target is initially located as a first plane; constructing a three-dimensional coordinate system by taking a focus of the AI visual monitor as an origin; Respectively obtaining first target initial position data, second target initial position data, third target initial position data and fourth target initial position data corresponding to the first target, the second target, the third target and the fourth target according to the first plane and the three-dimensional coordinate system; Determining the first target initial position data, the second target initial position data, the third target initial position data and the fourth target initial position data as the target initial position data.
3. The method of claim 2, wherein the step of obtaining the first target initial position data corresponding to the first target according to the first plane and the three-dimensional coordinate system comprises: Respectively obtaining three-dimensional coordinates of a left circle center and a right circle center of the first target, which correspond to each other on the first plane; and determining three-dimensional coordinates corresponding to the left circle center of the first target on the first plane and three-dimensional coordinates corresponding to the right circle center of the first target on the first plane as initial position data of the first target.
4. The method for yaw monitoring of a wind power tower according to claim 2, wherein the step of identifying a target location in the tower interior image to obtain target location data comprises: Determining a plane where a target in the tower internal image is located as a second plane; Respectively obtaining first target position data, second target position data, third target position data and fourth target position data corresponding to the first target, the second target, the third target and the fourth target in the second plane; Determining the first, second, third and fourth target position data as the target position data.
5. The method of claim 4, wherein the step of obtaining the tower displacement from the target initial position data and the target position data, respectively, comprises: Determining a line segment between the left circle center of the first target and the left circle center of the second target as a first line segment in the target position data; obtaining a midpoint of the first line segment; constructing a triangle of a left circle center of the first target, a left circle center of the second target and a center point of the second plane by taking the midpoint of the first line segment as the midpoint of the bottom edge; And obtaining the displacement of the tower layer according to the side length of the triangle.
6. A method of monitoring deflection of a wind power plant tower according to claim 3, wherein the step of obtaining the tower inclination angle from the target initial position data and the target position data, respectively, comprises: obtaining a normal vector of the second plane; determining an included angle between the normal vector and a Z axis of a three-dimensional coordinate system as the tower inclination angle; and determining an included angle between a plane projection line of the normal vector in the three-dimensional coordinate system and the north-pointing line as a direction angle.
7. The method for monitoring the deflection of a wind power generation tower according to claim 6, wherein the step of obtaining the tower rotation angle from the target initial position data and the target position data, respectively, comprises: performing translational inverse transformation on the target position data to obtain target position data after translational inverse transformation; performing oblique inverse transformation on the target position data subjected to the translational inverse transformation to obtain new target position data; and obtaining the rotation angle of the tower layer according to the new target position data.
8. An offset monitoring device for a wind power generation tower, the device comprising: The acquisition module is used for acquiring an offset tower barrel internal image acquired by an AI visual monitor arranged in the tower barrel of the wind power generation tower; The system comprises a data acquisition module, a target position data acquisition module and a wind power generation tower, wherein the data acquisition module is used for identifying a target position in an internal image of the tower to obtain target position data, and is also used for respectively acquiring tower displacement, a tower inclination angle and a tower rotation angle according to the target initial position data and the target position data, and further used for determining that the tower displacement, the tower inclination angle and the tower rotation angle are offset data of the wind power generation tower.
9. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the method according to claims 1-7 when executing the computer program.
10. A storage medium having stored thereon instructions which, when executed on a computer, cause the computer to perform the method of claims 1-7.

Description

Deflection monitoring method and device for wind power generation tower and electronic equipment Technical Field The application relates to the technical field of health monitoring of wind power towers, in particular to a method and a device for monitoring deflection of a wind power tower, electronic equipment and a storage medium. Background The wind generating set is used as main equipment for wind energy development and utilization, and the safe and stable operation of the wind generating set is crucial to the healthy development of the whole wind power generation industry. The tower drum is used as a supporting structure of the wind generating set, and the stability of the tower drum is directly related to the operation safety of the set. However, due to wind force and yaw, pitch, brake and other operations in the running process of the unit, the tower barrel can generate radial displacement, foundation settlement and other problems, and the deformation can seriously affect the safe running of the unit. Therefore, the offset (such as position offset and angle offset) of the tower can be monitored, potential safety hazards and abnormal conditions can be found in time, the safe operation of the wind generating set is ensured, shutdown maintenance caused by damage of the tower is avoided, and the maintenance cost is reduced. The prior art has technical limitations in the aspects of tower displacement and inclination angle monitoring, commonly used monitoring equipment in the prior art such as GNSS, inclinometer, total station or theodolite is mainly used for measuring the whole displacement and low-frequency vibration of the tower top, the inclinometer monitors the deflection angle change of the tower, but the equipment needs to be frequently maintained on site, otherwise, the precision is reduced, the cost of on-site maintenance is high, the development trend of unmanned operation and maintenance with low cost is not met, and the monitoring has dead zones, insufficient coverage range and cannot accurately realize deflection monitoring. Therefore, the method in the prior art has complex operation and limited precision, and sometimes needs manual operation, which is time-consuming and labor-consuming. Disclosure of Invention The application aims to provide a deviation monitoring method, device, electronic equipment and storage medium for a wind power generation tower, which can expand the monitoring range of a tower barrel of the wind power generation tower, realize real-time monitoring, timely and effectively capture microscopic changes of the tower barrel, improve the monitoring precision, and have simpler and more effective monitoring modes without manual operation. In a first aspect, an embodiment of the present application provides a method for monitoring an offset of a wind power generation tower, the method including: Acquiring an offset tower barrel internal image acquired by an AI visual monitor installed in the tower barrel of the wind power generation tower; Identifying a target position in the tower internal image to obtain target position data; Respectively obtaining tower displacement, tower inclination angle and tower rotation angle according to the target initial position data and the target position data; And determining the displacement of the tower layer, the inclination angle of the tower barrel and the rotation angle of the tower layer as offset data of the wind power generation tower. In the implementation process, the target position data is obtained by identifying the target position inside the tower barrel, and then the offset data of the wind power generation tower is obtained according to the target position data, so that the monitoring range of the tower barrel of the wind power generation tower can be enlarged, real-time monitoring is realized, microscopic change of the tower barrel is effectively captured in time, the monitoring precision is improved, the monitoring mode is simpler and more effective, and manual operation is not needed. Further, before the step of identifying the target position in the tower internal image to obtain target position data, the method further comprises the steps of obtaining target initial position data; The step of obtaining target initial position data comprises the following steps: the targets comprise a first target, a second target, a third target, and a fourth target; Determining the plane where the target is initially located as a first plane; constructing a three-dimensional coordinate system by taking a focus of the AI visual monitor as an origin; Respectively obtaining first target initial position data, second target initial position data, third target initial position data and fourth target initial position data corresponding to the first target, the second target, the third target and the fourth target according to the first plane and the three-dimensional coordinate system; Determining the first target initial position data, the seco