CN-122020758-A - CAD-based intelligent drawing method, device, equipment and medium for overhead line survey

CN122020758ACN 122020758 ACN122020758 ACN 122020758ACN-122020758-A

Abstract

The invention discloses an intelligent drawing method, device, equipment and medium for overhead line survey based on CAD. The method comprises the steps of obtaining project parameters, a tower foundation number file, a digital elevation model and a digital orthographic image of a target project, wherein the project parameters at least comprise a tower foundation half-root opening parameter and a path width parameter, determining a path center line, determining a channel topographic map range line and a tower bit data result table in a CAD drawing based on the path center line and the path width parameter in combination with the tower foundation number file, determining a tower foundation section map and a tower bit topographic map based on the channel topographic map range line, the tower foundation half-root opening parameter and the tower bit data result table, and generating a path flat section map based on the digital orthographic image, the digital elevation model and a preset left section range and a preset right section range. According to the technical scheme, through the processing operation based on CAD secondary development, automatic generation of the tower foundation section, the tower position topography and the path plane section is realized, and the efficiency and quality of overhead line survey and drawing are improved.

Inventors

WEI YEQING
LU YU
GUO YANJUN
LU YOU
CHEN SHANGDENG
GONG FEIFEI
FAN TENG
Meng Yizhou
Zhong Shengsheng
SHAO QI

Assignees

上海电力设计院有限公司

Dates

Publication Date: 20260512
Application Date: 20260401

Claims (10)

1. The CAD-based intelligent drawing method for overhead line survey is characterized by comprising the following steps of: Acquiring project parameters, a tower foundation number file, a digital elevation model and a digital orthophoto map of a target project, wherein the project parameters at least comprise a tower foundation semi-root opening parameter and a path width parameter; Determining a path center line, and respectively determining a channel topographic map range line and a tower bit data result table in a CAD drawing plane by combining the path width parameter and the tower base number file based on the path center line; Determining a tower foundation section view and a tower position topographic map based on the channel topographic map range line, the tower foundation half root opening parameter and the tower position data result table; generating a path flat section diagram based on the digital orthographic image, the digital elevation model and a preset left and right section range.
2. The method of claim 1, wherein determining a channel topography range line and a tower bit data result table in a CAD drawing, respectively, in combination with the path width parameters and the tower base number file based on the path centerline comprises: determining a channel topographic map range line in the CAD drawing according to the path center line and the path width parameter; And generating a tower position data result table in the CAD graph according to the path center line and the tower foundation number file.
3. The method of claim 2, wherein determining a channel topography range line in the CAD drawing from the path centerline and the path width parameter comprises: and respectively shifting the central line of the path to two sides according to the path width parameters, and forming a channel topographic map range line in the CAD drawing.
4. The method of claim 2, wherein generating a table of tower bit data achievements in the CAD drawing from the path centerline and the tower base number file comprises: the coordinate data of each tower position is read from the CAD drawing, Taking a first tower position on a path central line as a starting datum point, and determining the cumulative distance and the tower position rotation angle of each tower position; And integrating the coordinate data, the cumulative distance and the tower position rotation angle of each tower position to obtain a tower position data result table.
5. The method of claim 1, wherein determining a tower foundation cross-sectional view and a tower site topography based on the channel topography range line, the tower foundation half root opening parameters, and the tower site data result table comprises: Obtaining a tower foundation section diagram template and a tower position topographic map template; Determining tower foundation section data and tower position topographic data based on the channel topographic map range line, the tower foundation half root opening parameter and the tower position data result table; And generating a tower foundation section diagram and a tower position topographic map according to the tower foundation section data, the tower position topographic data, the tower foundation section diagram template and the tower position topographic map template.
6. The method of claim 5, wherein the tower data result table comprises tower coordinate data; Correspondingly, determining tower foundation section data and tower position topographic data based on the channel topographic map range line, the tower foundation half root opening parameter and the tower position data result table includes: Taking the tower position coordinate data of each tower foundation as a center, determining the measuring points of the tower foundation in the directions of four tower legs according to the half-root opening parameters of the tower foundation, and obtaining corresponding measuring point elevation data; Taking the distance between the projection point of the measuring point in the tower leg direction and the tower foundation center as first data, taking the difference value between the measuring point elevation data and the tower foundation center elevation data as second data, and determining the tower foundation section data according to the first data and the second data; And determining a tower position mapping range based on each tower foundation and the corresponding tower leg, and determining tower position topographic data based on measurement points in the tower position mapping range and the tower foundation semi-root opening parameters.
7. The method of claim 1, wherein generating a path plan profile based on the digital orthophotomap, the digital elevation model, and a predetermined left-right profile range comprises: Based on the digital orthographic image as a base map, combining path elements contained in a path element library to obtain a path topography map; And generating a path flat section diagram by combining the digital elevation model and a preset left and right section range based on the path topographic map.
8. An overhead line surveys intelligent drawing device based on CAD, characterized by comprising: The system comprises a data acquisition module, a data processing module and a data processing module, wherein the data acquisition module is used for acquiring project parameters, a digital elevation model and a digital orthophoto map of a target project, and the project parameters at least comprise a tower foundation semi-root opening parameter, a path width parameter and a path center line; The tower bit data determining module is used for acquiring a tower base number file, and respectively determining a channel topographic map range line and a tower bit data result table in a CAD drawing based on the path center line and combining the path width parameter and the tower base number file; the tower foundation graph determining module is used for determining a tower foundation section graph and a tower position topographic map based on the channel topographic map range line, the tower foundation half root opening parameters and the tower position data result table; and the path graph generation module is used for generating a path flat section graph based on the digital orthophoto graph, the digital elevation model and a preset left and right section range.
9. An electronic device, the electronic device comprising: at least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the CAD-based overhead line survey intelligent mapping method of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to implement the CAD-based overhead line survey intelligent mapping method of any one of claims 1-7 when executed.

Description

CAD-based intelligent drawing method, device, equipment and medium for overhead line survey Technical Field The invention relates to the technical field of drawing design, in particular to an intelligent drawing method, device, equipment and medium for overhead line survey based on CAD. Background The overhead line survey and drawing is a core link of the power transmission line engineering design, and the result quality and efficiency of the overhead line survey and drawing directly influence the overall progress of line design, construction and operation and maintenance. The conventional production process of the overhead line survey drawing at the present stage mainly relies on RTK field measurement to obtain discrete landform points, manually compiles a tower position topographic map and a tower foundation section map in a CAD platform, manually calculates parameters such as tower foundation coordinates, elevation and the like based on a path center line, and simultaneously introduces RTK discrete points into software to finish drawing of the overhead line plane section map. However, in CAD, the tower position topographic map and the tower foundation sectional map are manually and directly edited, so that the repeated operation is more, the drawing efficiency is low, the artificial misoperation probability is high, the consistency and normalization of results are difficult to ensure, and when discrete points are imported into software to generate a path flat sectional map, the problems of unfriendly man-machine interaction, complex data format conversion, incapability of parallel task decomposition and the like exist, so that the engineering requirements of short construction period and high requirement on quality of results are difficult to meet in large projects such as long lines and complex terrains. Disclosure of Invention The invention provides an intelligent drawing method, device, equipment and medium for overhead line surveying based on CAD, which realize the automatic generation of overhead line surveying results such as tower foundation sections, tower position terrains, path flat sections and the like through the processing operation based on CAD secondary development, and improve the efficiency and drawing quality of overhead line surveying and drawing. According to an aspect of the present invention, there is provided an overhead line survey intelligent mapping method based on CAD, including: Acquiring project parameters, a tower foundation number file, a digital elevation model and a digital orthophoto map of a target project, wherein the project parameters at least comprise a tower foundation semi-root opening parameter and a path width parameter; Determining a path center line, and respectively determining a channel topographic map range line and a tower bit data result table in a CAD drawing plane by combining the path width parameter and the tower base number file based on the path center line; Determining a tower foundation section view and a tower position topographic map based on the channel topographic map range line, the tower foundation half root opening parameter and the tower position data result table; generating a path flat section diagram based on the digital orthographic image, the digital elevation model and a preset left and right section range. According to another aspect of the present invention, there is provided an overhead line survey intelligent mapping apparatus based on CAD, comprising: The system comprises a data acquisition module, a data processing module and a data processing module, wherein the data acquisition module is used for acquiring project parameters, a digital elevation model and a digital orthophoto map of a target project, and the project parameters at least comprise a tower foundation semi-root opening parameter, a path width parameter and a path center line; Acquiring a tower foundation number file, and respectively determining a channel topographic map range line and a tower position data result table in a CAD drawing based on the path center line and combining the path width parameter and the tower foundation number file; Determining a tower foundation section view and a tower position topographic map based on the channel topographic map range line, the tower foundation half root opening parameter and the tower position data result table; generating a path flat section diagram based on the digital orthographic image, the digital elevation model and a preset left and right section range. According to another aspect of the present invention, there is provided an electronic apparatus including: at least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the CAD-based overhead line survey intelligent mapping method of any one of the embodiments of the invention. According to another