CN-121981401-A - Intelligent power plant site construction progress safety management method based on model fusion

CN121981401ACN 121981401 ACN121981401 ACN 121981401ACN-121981401-A

Abstract

The invention relates to the technical field of construction management, and discloses a construction progress safety management method for an intelligent power plant construction site based on model fusion, wherein a basic three-dimensional model is built through static data of an intelligent power plant, S02 is used for collecting dynamic data of the intelligent power plant, S03 is used for building a dynamic three-dimensional model through point cloud data, S04 is used for generating a three-dimensional real-scene model, S05 is used for determining an early warning mechanism and early warning prompt information based on comprehensive deviation rate, and the static data and the dynamic data are matched with each other to build the three-dimensional real-scene model taking the basic three-dimensional model and the dynamic three-dimensional model as fusion objects.

Inventors

XIE HAIBO
ZHANG CUIHUA
MA HUA
RAO YUNTANG
SHI QIANG
LIANG BING
WANG YONGSEN

Assignees

广东红海湾发电有限公司

Dates

Publication Date: 20260505
Application Date: 20260226

Claims (10)

1. The intelligent power plant site construction progress safety management method based on model fusion is characterized by comprising the following steps of: s01, constructing a basic three-dimensional model through static data of an intelligent power plant, dividing the basic three-dimensional model into functional areas, and marking key nodes of the functional areas with nodes, wherein the static data comprises design parameters and topographic data; S02, acquiring dynamic data of an intelligent power plant, wherein the dynamic data comprises image data, laser point cloud data and GPS coordinate data, and processing the dynamic data to generate point cloud data in a discrete state; S03, dividing the point cloud data into different construction dynamic elements, and performing Gaussian splashing operation on the point cloud data in the construction dynamic elements to construct a dynamic three-dimensional model; s04, embedding the dynamic three-dimensional model into a basic three-dimensional model for model fusion, generating a three-dimensional live-action model, and marking the construction progress; and S05, extracting progress parameters from the three-dimensional live-action model, wherein the progress parameters comprise a finishing area value, a construction height value, equipment installation quantity and material consumption progress, calculating a comprehensive deviation rate, and determining a corresponding early warning mechanism and early warning prompt information based on the comprehensive deviation rate.
2. The intelligent power plant site construction progress safety management method based on model fusion according to claim 1, wherein the construction method of the basic three-dimensional model is as follows: Inputting design parameters into BIM simulation software to simulate a BIM design model; marking simulation bits distributed at intervals on a BIM design model, importing the topographic data into the simulation bits one by one, and marking the simulation bits imported with the topographic data as topographic simulation bits; and at the same time, sending a fusion instruction to the terrain simulation bit, controlling the terrain simulation bit to generate simulation and analog conversion, and upgrading the BIM design model into a basic three-dimensional model.
3. The intelligent power plant site construction progress safety management method based on model fusion according to claim 2, wherein the functional areas comprise a main plant area, a boiler installation area, a steam turbine area, a distribution device area, a material stacking area and a construction passage area; When the key nodes are marked, firstly, the integral progress of the integral construction of the basic three-dimensional model is inquired, the integral progress is decomposed into the circumference level progress by taking one week as a unit, then the circumference level progress containing the key nodes in any one functional area is marked as the key progress, the completion time of the key nodes in the key progress is inquired one by one and is marked as the key time, and the key time is marked as the node of the key nodes.
4. The intelligent power plant site construction progress safety management method based on model fusion according to claim 3, wherein the generation method of the point cloud data is as follows: importing laser point cloud data into point cloud processing software, and constructing a netlike spatial index structure by taking the laser point cloud data as an index point; Setting the number of neighborhood points and a standard deviation threshold value of laser point cloud data, matching the neighborhood points corresponding to the laser point cloud data one by one through a spatial index structure, and calculating the distance threshold value from the laser point cloud data to the neighborhood points through a statistical filtering algorithm; recording laser point cloud data of which the neighborhood average distance of the neighborhood points is larger than a distance threshold value as noise points, and eliminating the laser point cloud data corresponding to the noise points; Randomly selecting one image data as a reference image, marking a point at the center of the reference image as a reference point, and marking the rest image data as a matching image; Setting a feature point threshold and a matching distance threshold of image data, taking a reference point as a registration center, and carrying out image registration on a matching image and a reference image through a SIFT feature point matching algorithm; Setting a first iteration number and a convergence threshold, controlling laser point cloud data to rotate and translate through an ICP algorithm, unifying all the laser point cloud data into a WGS84 coordinate system, and matching and binding image data and the laser point cloud data with the actual position of the intelligent power plant through GPS coordinate data to generate point cloud data in a discrete state.
5. The intelligent power plant site construction progress safety management method based on model fusion according to claim 4, wherein the construction dynamic elements comprise a material pile element, a construction machine element, a completed structure element and a pipeline bracket element; The construction dynamic element dividing method comprises the following steps: Recording the minimum value of the distance threshold value from the point cloud data to the neighborhood point as a density reference, multiplying the density reference by a density conversion coefficient, and calculating the density value of the point cloud data; The range from the minimum value of the density value to the maximum value of the density value is recorded as a global range, and the global range is equally divided into four continuous sub-ranges to obtain a first sub-range, a second sub-range, a third sub-range and a fourth sub-range; And respectively summarizing the point cloud data with the density values in the first sub-range, the second sub-range, the third sub-range and the fourth sub-range to divide the material pile element, the construction machine element, the finished structure element and the pipeline bracket element.
6. The intelligent power plant site construction progress safety management method based on model fusion according to claim 5, wherein the construction method of the dynamic three-dimensional model is as follows: Sequentially importing the point cloud data in the material pile element, the construction machine element, the completed structure element and the pipeline bracket element into the same three-dimensional space, and marking the space seating of the point cloud data as (x, y, z) to obtain A three-dimensional space points; Sequentially executing Gaussian sputtering operation on the A three-dimensional space points, and calculating Gaussian sputtering stacking values of the A three-dimensional space points; Taking the Gaussian splashing superposition value as a reconstruction reference, carrying out equivalent surface calculation on A three-dimensional space points through Marching Cubes algorithm, extracting curved surface points on the same plane, and sequentially superposing and splicing all the curved surface points to generate a grid model; and positioning a model area which is spatially coincident with the position of the image data on the grid model, attaching the image data on the corresponding model area, and mapping the grid model texture into a dynamic three-dimensional model.
7. The intelligent power plant site construction progress safety management method based on model fusion according to claim 6, wherein the three-dimensional live-action model generation method is as follows: Converting the basic three-dimensional model and the dynamic three-dimensional model into a WGS84 coordinate system, and marking all model points in the basic three-dimensional model and the dynamic three-dimensional model one by one; marking the space coordinates of the fixed feature points from the basic three-dimensional model, marking the space coordinates of the dynamic feature points from the dynamic three-dimensional model, and establishing the corresponding relation between the fixed feature points and the dynamic feature points; Setting a second iteration number and an interior point threshold, and matching the fixed characteristic points and the dynamic characteristic points with corresponding relations through a RANSAC algorithm to drive the alignment of the space coordinates of the model point positions on the dynamic three-dimensional model and the basic three-dimensional model; And removing the coincident grids in the intersecting state from the dynamic three-dimensional model, and embedding the rest dynamic three-dimensional model into the basic three-dimensional model to generate a three-dimensional live-action model.
8. The intelligent power plant site construction progress safety management method based on model fusion according to claim 7, wherein the comprehensive deviation rate calculation method is as follows: Respectively inquiring a plan area value, a plan height value, a plan installation quantity and a plan consumption progress corresponding to the construction progress through a database; taking an absolute value after the difference between the finished area value and the planned area value, comparing the absolute value with the planned area value, and calculating the area deviation rate; Taking an absolute value after the construction height value is differenced from the planned height value, and comparing the absolute value with the planned height value to calculate a height deviation rate; taking an absolute value after the difference between the equipment installation quantity and the planned installation quantity, and comparing the absolute value with the planned installation quantity to calculate an installation deviation rate; taking an absolute value after the real-time consumption progress is differenced with the planned consumption progress, comparing the absolute value with the planned consumption progress, and calculating a progress deviation rate; And carrying out weighted summation on the area deviation rate, the height deviation rate, the installation deviation rate and the progress deviation rate, and calculating the comprehensive deviation rate.
9. The intelligent power plant site construction progress safety management method based on model fusion according to claim 8, wherein the early warning mechanism comprises no early warning, primary early warning and secondary early warning; the method for determining the early warning mechanism comprises the following steps: when the comprehensive deviation rate is smaller than or equal to a first comprehensive deviation threshold value, no early warning is selected; when the comprehensive deviation rate is larger than the first comprehensive deviation threshold value and smaller than or equal to the second comprehensive deviation threshold value, selecting a first-stage early warning; And when the comprehensive deviation rate is larger than a second comprehensive deviation threshold value, selecting a second-level early warning.
10. The intelligent power plant site construction progress safety management method based on model fusion according to claim 9, wherein the early warning prompt information generation method comprises the following steps: when the early warning mechanism is no early warning, no early warning prompt information is generated; when the early warning mechanism is primary early warning, firstly, a system popup window prompt is sent out, and then construction constructors are notified through short messages; When the early warning mechanism is a secondary early warning, firstly a system popup window prompt is sent out, then construction constructors are notified through short messages, then construction supervision departments are notified through telephones, and finally a construction progress analysis report is generated by taking the comprehensive deviation rate and the progress parameters as report contents.

Description

Intelligent power plant site construction progress safety management method based on model fusion Technical Field The invention relates to the technical field of construction management, in particular to a safety management method for construction progress of an intelligent power plant construction site based on model fusion. Background The intelligent power plant construction has the characteristics of wide construction range, multiple core devices, complex construction process crossing, high progress node rigidity and the like, the traditional progress management mode cannot meet the intelligent and refined management and control requirements, along with the development of information technology, the integrated application of a building information model and a three-dimensional modeling technology provides a new tool for engineering construction management, and plays a vital role in improving the instantaneity, the accuracy, the initiative and the intelligent level of power plant construction engineering management. The patent application with the reference of publication number CN116664062A discloses a substation construction management method, a system and equipment based on BIM and GIS, which comprises the steps of carrying laser radar and panoramic cameras by using an unmanned aerial vehicle, synchronously acquiring laser radar point cloud data and image data of a substation, constructing a three-dimensional real-scene model of the substation based on the acquired laser radar point cloud data and image data and combining unmanned aerial vehicle position and gesture data, acquiring system structure information of the substation, establishing a substation BIM model associated with project cost and project progress, establishing a three-dimensional visualization model based on BIMGIS integration based on the substation three-dimensional real-scene model and the substation BIM model, acquiring the finished workload of different stages of plans, grasping the change condition of the engineering quantity in real time according to the finished workload of different stages of plans, judging cost deviation and progress deviation condition and timely sending out early warning signals; When the existing intelligent power plant is used for managing the construction progress, a periodic static scene construction mode is focused, capturing and acquiring dimensions of dynamic elements such as material stacking, equipment installation and the like which change at any time in a construction site are insufficient, and high-precision and automatic matching and fusion of a pre-designed static BIM model and dynamic construction site data acquired by an unmanned plane in real time are difficult, so that the constructed three-dimensional model is updated and delayed, the real-time construction state cannot be reflected truly, the problems of large analysis result errors and management and control delay are easy to occur, and the real-time dynamic management effect of the construction progress of the intelligent power plant is reduced. In view of the above, the invention provides a safety management method for the construction progress of the intelligent power plant construction site based on model fusion to solve the above problems. Disclosure of Invention In order to overcome the defects in the prior art and achieve the purposes, the invention provides the technical scheme that the intelligent power plant site construction progress safety management method based on model fusion comprises the following steps: s01, constructing a basic three-dimensional model through static data of an intelligent power plant, dividing the basic three-dimensional model into functional areas, and marking key nodes of the functional areas with nodes, wherein the static data comprises design parameters and topographic data; S02, acquiring dynamic data of an intelligent power plant, wherein the dynamic data comprises image data, laser point cloud data and GPS coordinate data, and processing the dynamic data to generate point cloud data in a discrete state; S03, dividing the point cloud data into different construction dynamic elements, and performing Gaussian splashing operation on the point cloud data in the construction dynamic elements to construct a dynamic three-dimensional model; s04, embedding the dynamic three-dimensional model into a basic three-dimensional model for model fusion, generating a three-dimensional live-action model, and marking the construction progress; and S05, extracting progress parameters from the three-dimensional live-action model, wherein the progress parameters comprise a finishing area value, a construction height value, equipment installation quantity and material consumption progress, calculating a comprehensive deviation rate, and determining a corresponding early warning mechanism and early warning prompt information based on the comprehensive deviation rate. Further, the construction method of the basic three-