CN114821003A - Three-dimensional site arrangement method for transformer substation - Google Patents
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Abstract
The invention discloses a three-dimensional site arrangement method for a transformer substation, which comprises the following steps: s1, constructing a hardware simulation system; s2, obtaining oblique photography data of the transformer substation construction site; s3, acquiring power grid GIM model data; s4, generating a VR environment with oblique photography data as a bottom layer; s5, importing the GIM model file of the national network design standard into a Jinqu BIM design platform, analyzing the model, and importing the model into a VR environment; s6, measuring the spatial distance between the GIM and the oblique photography data through virtual handle operation in a VR environment; and S7, obtaining an optimized construction design scheme of the transformer substation on the construction site by utilizing the VR environment and the measurement data. The unmanned aerial vehicle surveying system has the advantages that the surveying data accuracy is high through the unmanned aerial vehicle, the unmanned aerial vehicle surveying system is convenient to store, the accuracy of the generated VR environment is high, the optimal design such as importing, editing and adjusting can be carried out on the GIM model of the transformer substation in the VR environment, the unmanned aerial vehicle surveying system is applied to site construction, and the construction efficiency, quality and safety can be improved.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to a transformer substation three-dimensional field arrangement method based on oblique photography data in a VR (virtual reality) environment.
Background
In the early stage of the construction of the power transmission and transformation project, the project planning and the scheme verification are generally carried out by carrying out project exploration on a construction site. At present, power supply companies mainly measure field investigation on the basis of manpower in the process of site survey and scheme primary design, and the process often needs to be repeated for many times due to the single form of data storage. The same is true in the process of layout verification of the actual site of the engineering construction scheme, and when one design scheme is checked, if the design of the construction scheme is unreasonable, the site test needs to be repeated, so that the workload is wasted to a great extent, and the working efficiency is influenced. If the engineering scheme is not accurate enough, the engineering safety and quality problems can be caused in serious cases, the construction period is prolonged, the construction cost is increased, and even safety accidents can occur on the construction site, so that the existing transformer substation three-dimensional site arrangement method needs to be improved to overcome the problems.
Disclosure of Invention
The invention aims to provide a three-dimensional site arrangement method for a transformer substation, aiming at the problems that in the construction of the existing power transmission and transformation engineering in the background art, multiple site surveys are needed, the work efficiency is influenced, and the engineering quality and the construction safety are influenced if the engineering scheme is not accurate enough.
In order to achieve the purpose, the invention is realized by the following technical scheme: a three-dimensional site arrangement method for a transformer substation comprises the following steps:
s1, constructing a hardware simulation system;
configuring a hardware scene for VR environment construction, wherein the main equipment comprises a PC host and VR equipment, and the PC host is in signal connection with the VR equipment to form a VR environment;
s2, obtaining oblique photography data of the transformer substation construction site;
acquiring oblique photography data of a transformer substation construction site through unmanned aerial vehicle flight survey;
s3, acquiring power grid GIM model data;
acquiring power grid GIM model data through a power grid system;
s4, importing the oblique photography data obtained in the step S2 into a VR (virtual reality) environment on a PC (personal computer) host, reading and identifying oblique photography data of field aviation and flight survey of the unmanned aerial vehicle in the VR environment, generating a VR (virtual reality) environment with the oblique photography data as a bottom layer, and reducing a construction site of a transformer substation project by 1:1 to realize various basic operations in the VR environment;
s5, importing the GIM model file of the national network design standard into a golden music BIM design platform, analyzing the model, directly butting a VR platform by the golden music BIM design platform, importing the analyzed GIM model into a VR environment taking oblique photography data as a bottom layer, 1:1, restoring a model, and simulating the arrangement effect of the technical scheme of the engineering field on the basis of oblique photography data by using a GIM model;
s6, measuring the spatial distance between the GIM and the oblique photography data through virtual handle operation in a VR environment;
and S7, modifying and adjusting the design scheme of the GIM through the virtual handle by utilizing the VR environment in the step S5 and the measurement data in the step S6, optimizing the arrangement scheme of the GIM three-dimensional model in the VR environment, and obtaining the optimized construction design scheme of the transformer substation on the construction site.
As a further improvement of the above solution, in step S2, when the oblique photography data is acquired, the overlapping portion between the consecutive images is 65-95%, and the positioning system POS data is recorded in the oblique photography photograph. Through the arrangement, the consistency of the generated VR environment and the construction site environment of the transformer substation is higher, and the accuracy of later-stage design is improved.
As a further improvement of the foregoing solution, in step S4, the VR environment generation method includes: the POS data of the oblique photography photo are analyzed, the oblique photography photo is led in through a three-dimensional real-scene modeling platform, the POS information of the photo is displayed in the three-dimensional real-scene modeling platform, then the aerial triangulation is carried out, a digital surface model is generated, then the photo and the digital surface model are subjected to texture mapping, the transformer substation engineering construction site is restored in the three-dimensional real-scene modeling platform in a ratio of 1:1, and a VR environment with the oblique photography data as the bottom layer is generated.
As a further improvement of the above solution, in step S4, the basic operations of the generated VR environment include scene roaming, spatial distance measurement, and virtual handle operation in the VR environment. Through these basic operations, can be convenient for carry out the design of transformer substation engineering construction scheme in the VR environment, improve design work efficiency.
As a further improvement of the above solution, in step S7, when the design solution of the GIM model is modified and adjusted by the virtual handle, the placement position of the model is checked in the VR environment, and if the model is not placed and does not correspond to the drawing, the system will prompt "operation error, please place the model at the correct position". Through the arrangement, the position of the GIM model can be automatically checked without manual checking, so that the working efficiency is improved, and the manual consumption is reduced.
As a further improvement of the above scheme, in step S5, in addition to loading the model in the VR environment, the two-dimensional drawing of the substation engineering construction can be restored according to the real environment 1: 1. Through this kind of setting, can be fast with the two-dimensional drawing of transformer substation engineering construction 1 in the VR environment: 1, reduction, avoiding repeated design and improving the working efficiency.
The invention has the positive effects that: 1) according to the transformer substation three-dimensional field arrangement method, the unmanned aerial vehicle can automatically finish the survey of the transformer substation construction field at one time, the survey data is high in accuracy and convenient to store, and repeated multiple surveys after the data is lost can be avoided; 2) the surveyed oblique photography data can be modeled in a three-dimensional live-action modeling platform 1:1, restoring a transformer substation construction site, generating a VR (virtual reality) environment with oblique photography data as a bottom layer, wherein the generated VR environment has high accuracy, and can perform optimized design such as importing, editing and adjusting on a GIM (graphic information model) of the transformer substation in the VR environment, analyze and compare various design schemes, correct possible design errors and obtain an optimized transformer substation design scheme; 3) because in the VR environment, the measured distance data accuracy is very high, so the transformer substation scheme that designs in the VR environment is applied to the site operation, can improve the efficiency and the construction precision of engineering, and can avoid the emergence of incident, improves the engineering quality.
Drawings
Fig. 1 is an exemplary diagram of the oblique photography data imported into the VR environment on the PC host in step S4.
FIG. 2 is an exemplary diagram of a model menu after importing a GIM model in a VR environment using the method of the present invention.
FIG. 3 is an exemplary diagram after loading the GIM model in the VR environment after selecting the desired model in the model menu.
Fig. 4 is an exemplary diagram of an operation menu for performing a basic operation on a GIM model after loading the GIM model in a VR environment.
Fig. 5 is an exemplary illustration of scene roaming for a job site using a virtual handle in a VR environment.
Fig. 6 is an exemplary diagram of a detailed adjustment of a model using a virtual handle in a VR environment.
Fig. 7 is a drawing in which two-dimensional drawing 1:1 example diagram into a VR environment.
Fig. 8 is an exemplary diagram of viewing model information using a virtual handle in a VR environment.
Fig. 9 is an exemplary diagram of an optimized construction design scheme obtained by performing an optimized design on a layout scheme of a part of the GIM model on an imported two-dimensional construction drawing in a VR environment.
Detailed Description
The technical solutions of the present invention are described clearly and completely by the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A method for arranging three-dimensional sites of a transformer substation as shown in fig. 1 to 9 includes the following steps:
s1, constructing a hardware simulation system;
the configuration is used for the hardware scene of VR environment construction, and the main equipment includes PC host computer and VR equipment, and PC host computer and VR equipment signal connection form the VR environment.
S2, obtaining oblique photography data of the transformer substation construction site;
acquiring oblique photography data of a transformer substation construction site through unmanned aerial vehicle flight survey; the oblique photography data is acquired with an overlap between successive images of 65-95%, for example, an overlap between successive images of 80%, and the oblique photography photographs have the positioning system POS data recorded.
S3, acquiring power grid GIM model data;
and acquiring power grid GIM model data through a power grid system.
S4, importing the oblique photography data obtained in the step S2 into a VR (virtual reality) environment on a PC (personal computer) host, reading and identifying oblique photography data of field aviation and flight survey of the unmanned aerial vehicle in the VR environment, and generating a VR environment with the oblique photography data as a bottom layer, wherein 1:1 the transformer substation engineering construction site is restored to realize various basic operations in the VR environment, and the basic operations of the VR environment comprise basic operations such as scene roaming, spatial distance measurement and virtual handle operation in the VR environment; the VR environment generation method comprises the following steps: the POS data of the oblique photography photo are analyzed, the oblique photography photo is led in through a three-dimensional real-scene modeling platform, the POS information of the photo is displayed in the three-dimensional real-scene modeling platform, then the aerial triangulation is carried out, a digital surface model is generated, then the photo and the digital surface model are subjected to texture mapping, the transformer substation engineering construction site is restored in the three-dimensional real-scene modeling platform in a ratio of 1:1, and a VR environment with the oblique photography data as the bottom layer is generated. Fig. 1 is an exemplary diagram of a VR environment at a substation engineering job site.
S5, importing the GIM model file of the national network design standard into a golden music BIM design platform, analyzing the model, directly butting a VR platform by the golden music BIM design platform, importing the analyzed GIM model into a VR environment taking oblique photography data as a bottom layer, 1:1, restoring a model, and simulating the technical scheme arrangement effect of an engineering field on the basis of oblique photography data by using a GIM model. Fig. 2 is an exemplary diagram of a model menu after a GIM model is introduced into a VR environment by using the method of the present invention, and a desired model can be selected on the model menu and loaded into the VR environment. FIG. 3 is an exemplary diagram after loading the GIM model in the VR environment after selecting the desired model in the model menu. Fig. 4 is a diagram showing an example of an operation menu for performing a basic operation on a GIM model after loading the GIM model in a VR environment. In this example diagram, it can be seen that the basic operations in the operations menu include autonomous roaming, gravity roaming, viewing attributes, displaying a tilted photography model, grabbing a model, field placement, and model tagging. FIG. 5 is an exemplary diagram of scene roaming for a job site using a virtual handle in a VR environment; the state of each place in the VR environment can be viewed through scene roaming. As shown in fig. 6, an example diagram of a detailed adjustment of a model using a virtual handle in a VR environment.
Besides loading the model in the VR environment, the two-dimensional drawing of the engineering construction of the transformer substation can be restored according to the real environment 1: 1. As shown in fig. 7, a two-dimensional drawing 1:1 example diagram into a VR environment. Through this kind of setting, can be fast with the two-dimensional drawing of transformer substation engineering construction 1 in the VR environment: 1, reduction, avoiding repeated design and improving the working efficiency.
And S6, measuring the spatial distance between the GIM and the oblique photography data through virtual handle operation in the VR environment.
S7, modifying and adjusting the design scheme of the GIM model through the virtual handle by utilizing the VR environment in the step S5 and the measurement data in the step S6, for example, adjusting the model, the position, the size, the direction and other operations of the GIM model, optimizing the arrangement scheme of the GIM three-dimensional model in the VR environment, and obtaining the optimized construction design scheme of the transformer substation on the construction site; when the design scheme of the GIM model is modified and adjusted through the virtual handle, the placement position of the model is verified in the VR environment, and if the model is not placed correctly and does not correspond to the drawing, the system can prompt that 'the operation is wrong, please place the model at the correct position'. Through the arrangement, the position of the GIM model can be automatically checked without manual checking, so that the working efficiency is improved, and the manual consumption is reduced. Fig. 8 is an exemplary diagram illustrating the mode information being viewed by using a virtual handle in a VR environment, and the mode information such as drawing information, attribute information, and size information can be viewed through a model information query interface. Fig. 9 is an exemplary diagram illustrating an optimized construction design scheme obtained by performing an optimized design on a layout scheme of a GIM model on an imported two-dimensional construction drawing in a VR environment.
According to the transformer substation three-dimensional field arrangement method, the unmanned aerial vehicle can automatically finish the survey of the transformer substation construction field at one time, the survey data is high in accuracy and convenient to store, and repeated multiple surveys after the data is lost can be avoided; and the surveyed oblique photography data can be displayed in a three-dimensional live-action modeling platform 1: the transformer substation construction site is restored, a VR environment with oblique photography data as a bottom layer is generated, the generated VR environment is high in accuracy, optimal design such as importing, editing and adjusting can be conducted on a GIM model of the transformer substation in the VR environment, various design schemes are analyzed and compared, possible design errors are corrected, the optimized transformer substation design scheme is obtained, because in the VR environment, the accuracy of measured distance data is high, the transformer substation scheme designed and completed in the VR environment is applied to site construction, the efficiency and construction precision of engineering can be improved, safety accidents can be avoided, and the engineering quality is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A three-dimensional site layout method for a transformer substation is characterized by comprising the following steps: which comprises the following steps:
s1, constructing a hardware simulation system;
configuring a hardware scene for VR environment construction, wherein the main equipment comprises a PC host and VR equipment, and the PC host is in signal connection with the VR equipment to form a VR environment;
s2, obtaining oblique photography data of the transformer substation construction site;
acquiring oblique photography data of a transformer substation construction site through unmanned aerial vehicle flight survey;
s3, obtaining power grid GIM model data;
acquiring power grid GIM model data through a power grid system;
s4, importing the oblique photography data obtained in the step S2 into a VR (virtual reality) environment on a PC (personal computer) host, reading and identifying oblique photography data of field aviation and flight survey of the unmanned aerial vehicle in the VR environment, generating a VR (virtual reality) environment with the oblique photography data as a bottom layer, and reducing a construction site of a transformer substation project by 1:1 to realize various basic operations in the VR environment;
s5, importing a GIM model file of national network design standard into a Jinqu BIM design platform, analyzing the model, directly butting a VR platform by the Jinqu BIM design platform, importing the analyzed GIM model into a VR environment taking oblique photography data as a bottom layer, and 1:1, restoring a model, and simulating the arrangement effect of the technical scheme of the engineering field on the basis of oblique photography data by using a GIM model;
s6, measuring the spatial distance between the GIM and the oblique photography data through virtual handle operation in a VR environment;
and S7, modifying and adjusting the design scheme of the GIM through the virtual handle by utilizing the VR environment in the step S5 and the measurement data in the step S6, optimizing the arrangement scheme of the GIM three-dimensional model in the VR environment, and obtaining the optimized construction design scheme of the transformer substation on the construction site.
2. A substation three-dimensional site layout method according to claim 1, characterized in that: in step S2, when the oblique photography data is acquired, the overlapping portion between the consecutive images is 65 to 95%, and the positioning system POS data is recorded in the oblique photography photograph.
3. A substation three-dimensional site layout method according to claim 2, characterized in that: in step S4, the VR environment generation method includes: the POS data of the oblique photography photo are analyzed, the oblique photography photo is led in through a three-dimensional real-scene modeling platform, the POS information of the photo is displayed in the three-dimensional real-scene modeling platform, then the aerial triangulation is carried out, a digital surface model is generated, then the photo and the digital surface model are subjected to texture mapping, the transformer substation engineering construction site is restored in the three-dimensional real-scene modeling platform in a ratio of 1:1, and a VR environment with the oblique photography data as the bottom layer is generated.
4. A substation three-dimensional site layout method according to claim 1, characterized in that: in step S4, the basic operations of the generated VR environment include scene roaming, spatial distance measurement, and virtual handle operation in the VR environment.
5. A substation three-dimensional site layout method according to claim 1, characterized in that: in the step S7, when the design of the GIM model is modified and adjusted by the virtual handle, the placement position of the model is checked in the VR environment, and if the model is not placed correctly and does not correspond to the drawing, the system prompts "operation is wrong, please place the model at the correct position".
6. A substation three-dimensional site layout method according to claim 1, characterized in that: in the step S5, the model is loaded in the VR environment, and the two-dimensional drawing of the engineering construction of the substation can be restored according to the real environment 1: 1.
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