CN114139326A - Three-dimensional GIS-based transmission line tension paying-off simulation system - Google Patents
Three-dimensional GIS-based transmission line tension paying-off simulation system Download PDFInfo
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Abstract
The invention discloses a three-dimensional GIS (geographic information system) -based power transmission line tension paying-off simulation system which comprises a tension paying-off algorithm model base, a bionic database, a tension field simulation site selection, calculation verification and simulation and a construction scheme optimization design. The invention has the beneficial effects that: the auxiliary selection of a tension field in the tension paying-off construction of the power transmission line is realized; the calculation and verification of the tension and the pay-off tension of the pay-off section are realized; the method comprises the steps of realizing line tension paying-off simulation in a three-dimensional visualization mode, and providing a visual and visual tension paying-off calculation platform for construction managers; and the integrated application of the method and the existing construction scheme verification simulation is realized.
Description
Technical Field
The invention relates to a tension pay-off simulation system, in particular to a three-dimensional GIS (geographic information system) -based power transmission line tension pay-off simulation system, and belongs to the technical field of power transmission line construction.
Background
With the continuous and rapid development of social economy, the electric power demand of China can be kept rapidly increasing for a long time, and the construction tasks of the power transmission line are more and more. In the process of constructing the power transmission line, paying off is an important link of line construction, and a tension paying off method is a construction method generally adopted in the construction of the power transmission line at present. The tension pay-off method needs a large amount of calculation work, in the traditional tension erection process, the calculation is basically realized by adopting a manual calculation mode established on the basis of experience, and the calculation mode has the defects of long time consumption, low precision, easy error and non-intuitive result. Therefore, it is necessary to research a tension paying-off calculation simulation software.
A theoretical calculation model for tension paying-off construction is known for a long time, but the calculation software for auxiliary construction based on the theoretical calculation model is not mature. Therefore, the project provides a tension pay-off calculation and simulation platform for the power transmission line based on a three-dimensional GIS system, accurate and rapid calculation of tension pay-off is achieved, and the calculation process and the result of the stringing are visually presented to engineering technicians, so that scientific and visual basis and reference are provided for stringing construction of the power transmission line.
In the traditional tension pay-off construction process of the power transmission line in China, the tension pay-off calculation mostly adopts a manual calculation mode based on a spreadsheet, and a pay-off operation drawing is made in a hand-drawing or CAD drawing mode after the calculation is finished so as to verify the construction scheme. If the verification result does not pass, tension calculation needs to be carried out again, and calculation and verification are repeated until the construction requirements are met. Therefore, the whole tension paying-off process is very complicated, most of calculation is based on the experience of constructors, the period change of the whole process is indefinite, and the efficiency is low.
On the basis of AUTOCAD, a few research institutions and construction units, such as university of electronic technology and Sichuan-Neng electric power company, develop tension paying-off construction calculation software which takes tension paying-off calculation as the main content. Because the tension paying-off theoretical calculation model is fixed and formed, the calculation results of various software have reference value. The software is developed based on AUTOCAD, can draw a pay-off section plane operation diagram, but has limited functions, cannot perform work such as wire-to-ground distance verification and stretch field selection in combination with terrain, and cannot visually display a pay-off process to a user.
The three-dimensional geographic information system is mainly used for a design stage in the construction of a power transmission line at present, plays a role in assisting in designing and selecting the line, and meanwhile, the three-dimensional GIS starts to be researched and applied in the stringing construction of the power transmission line. A checking simulation platform of a three-span construction scheme based on a three-dimensional GIS developed by Shaanxi electric power company realizes three-dimensional visual simulation and checking of three-span stringing construction, and improves the safety and reasonability of the three-span construction scheme. The Sichuan-energy electric power company performs calculation of over-tension pay-off and beneficial attempt of visual simulation based on a three-dimensional GIS, so that calculation and visual display of tension pay-off are realized, but the calculation process and a visual system are independent, and the structure is incomplete.
Disclosure of Invention
The invention aims to provide a three-dimensional GIS-based transmission line tension paying-off simulation system for solving the problems.
The invention realizes the purpose through the following technical scheme: a three-dimensional GIS-based transmission line tension paying-off simulation system comprises a hardware part
The shell assembly is used for placing each hardware component structure of the simulation system and consists of a box body and a movable cover, and the box body and the movable cover are in rotary connection through a connecting rotating shaft;
the operation assembly is used for controlling the operation of the simulation system and consists of a flight operation panel and a simulation operation panel which are respectively arranged in the box body, and a flight display screen and a picture shooting display screen which are respectively and fixedly arranged on the inner side surface of the movable cover, wherein the flight operation panel is positioned on one side of the simulation operation panel, and the flight display screen is positioned on one side of the picture shooting display screen;
the shooting signal receiving component is composed of a signal transfer component and is used for receiving geographic information data, line engineering data and various machine and tool equipment data information related to construction shot by the aerial camera and transmitting the received information to the simulation operation panel;
the software part of the system comprises
The tension paying-off algorithm model library is established according to the tension paying-off process, the calculation theory and the method and by combining the actual engineering situation, and provides algorithm support for tension calculation, paying-off segmentation and the like;
the method comprises the steps that a bionic database is used, a large amount of data support is needed for simulation of tension paying-off, the collected data are processed and stored in a warehouse by collecting various data, and a database of various data related to tension paying-off construction of the power transmission line is established;
the method comprises the steps that site selection is simulated in a traction field, a tension calculation algorithm can provide a recommended position range of the tension field, the position of the traction field is determined through tension paying-off rough calculation, then the tension paying-off fine calculation of the next step can be carried out, and various technical factors such as paying-off sections, tension paying-off calculation conditions and the like are integrated by utilizing a three-dimensional construction visual environment and a three-dimensional terrain analysis function provided by a three-dimensional GIS platform to carry out site selection on the traction field;
calculating, checking and simulating, namely building a tension paying-off calculation simulation platform by utilizing line engineering three-dimensional model data, high-definition images, terrain and other geographic information data based on a three-dimensional GIS platform, fusing a tension paying-off calculation process and algorithm with the three-dimensional GIS depth, and researching tension paying-off calculation and simulation in a three-dimensional visual environment;
and (3) optimally designing a construction scheme, namely importing the established construction scheme into the simulation platform, providing tension calculation of the paying-off section, wire tension calculation and bearing cable tension calculation for the construction scheme, and realizing the optimal design of the construction scheme through repeated trial calculation of parameters such as tension calculation, clearance distance crossing and the like.
As a still further scheme of the invention: a placing groove for placing a spongy cushion is arranged between the flight operation panel and the simulation operation panel, and a groove for placing the control handle, the aerial photography device and the signal transfer assembly is formed in the spongy cushion.
As a still further scheme of the invention: and one side of the box body is provided with a power interface for electrically connecting with an external power supply and a signal transmission interface for signal transmission connection with the signal transfer component.
As a still further scheme of the invention: the signal transfer subassembly is in by activity bracing piece, arrangement the inboard signal antenna of activity bracing piece, one end are rotated and are connected at the inboard middle part of activity bracing piece, and the other end is rotated and is connected the movable connecting rod of signal antenna's bottom constitutes, the upper end of activity bracing piece is all rotated and is connected the lantern ring that passes signal antenna in center department, the bottom cover of activity bracing piece is equipped with the detachable locking cap.
As a still further scheme of the invention: the movable cover is composed of two panels which are rotatably connected through a connecting rotating shaft, and the inner side surfaces of the two panels are fixedly embedded with a simulation picture display screen.
As a still further scheme of the invention: the tension paying-off algorithm model library comprises calculation of outlet tension of a tension machine, calculation of maximum traction of a traction machine, calculation of horizontal tension of a rope at each gear, calculation of line length of the rope at each gear, and calculation of down pressure and an envelope angle, wherein each calculation interface finishes parameter input of a working procedure and mathematical calculation model encapsulation, and the calculation interfaces are independent and related.
As a still further scheme of the invention: the data collected by the bionic database comprises three-dimensional geographic information data, three-dimensional model data of line engineering, three-dimensional models of various machines and tools involved in construction, design data of line engineering and parameter information of various devices in tension setting-out.
As a still further scheme of the invention: the simulation site selection of the traction and extension site also needs to consider the influence of various factors such as terrain and landform, and the site selection must firstly ensure that equipment such as a tractor, a tensioner and the like and large vehicles such as a crane, a truck and the like can arrive smoothly; secondly, the selected site needs to meet the requirements of the construction operation of the stringing construction, the placement of materials, the stationing of personnel and other landforms and area sizes.
As a still further scheme of the invention: the three-dimensional GIS platform carries out real-time three-dimensional visual display on the pay-off calculation process and carries out three-dimensional terrain analysis such as ground distance through a lead.
As a still further scheme of the invention: the tension paying-off calculation simulation platform is combined with unmanned aerial vehicle flight data of a construction site to construct a high-definition site complete scene and restore a site large scene in a three-dimensional mode.
The invention has the beneficial effects that: the auxiliary selection of a tension field in the tension paying-off construction of the power transmission line is realized; the calculation and verification of the tension and the pay-off tension of the pay-off section are realized; the method comprises the steps of realizing line tension paying-off simulation in a three-dimensional visualization mode, and providing a visual and visual tension paying-off calculation platform for construction managers; and the integrated application of the method and the existing construction scheme verification simulation is realized.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a diagram illustrating the overall hardware architecture of the present invention;
FIG. 3 is a schematic view of a closed configuration of the housing of the present invention;
FIG. 4 is a schematic view of the internal structure of the mounting groove of the present invention;
FIG. 5 is a schematic view of the opening structure of the movable lid of the present invention;
FIG. 6 is a schematic diagram of an opening structure of the signal transferring assembly according to the present invention;
fig. 7 is a schematic diagram of a closed structure of the signal relay assembly according to the present invention.
In the figure: 1. the box, 2, the removable cover, 3, flight operating panel, 4, simulation operating panel, 5, the resettlement groove, 6, connect the pivot, 7, power source, 8, signal transmission interface, 9, flight display screen, 10, shoot the picture display screen, 11, control handle, 12, the ware of taking photo by plane, 13, signal transfer subassembly, 14, the foam-rubber cushion, 15, simulation picture display screen, 16, the lantern ring, 17, the activity bracing piece, 18, the activity connecting rod, 19, signal antenna, 20, the locking cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example one
Referring to fig. 1, a three-dimensional GIS-based power transmission line tension paying-off simulation system comprises
The tension paying-off algorithm model library is established according to the tension paying-off process, the calculation theory and the method and by combining the actual engineering situation, and provides algorithm support for tension calculation, paying-off segmentation and the like;
the method comprises the steps that a bionic database is used, a large amount of data support is needed for simulation of tension paying-off, the collected data are processed and stored in a warehouse by collecting various data, and a database of various data related to tension paying-off construction of the power transmission line is established;
the method comprises the steps that site selection is simulated in a traction field, a tension calculation algorithm can provide a recommended position range of the tension field, the position of the traction field is determined through tension paying-off rough calculation, then the tension paying-off fine calculation of the next step can be carried out, and various technical factors such as paying-off sections, tension paying-off calculation conditions and the like are integrated by utilizing a three-dimensional construction visual environment and a three-dimensional terrain analysis function provided by a three-dimensional GIS platform to carry out site selection on the traction field;
calculating, checking and simulating, namely building a tension paying-off calculation simulation platform by utilizing line engineering three-dimensional model data, high-definition images, terrain and other geographic information data based on a three-dimensional GIS platform, fusing a tension paying-off calculation process and algorithm with the three-dimensional GIS depth, and researching tension paying-off calculation and simulation in a three-dimensional visual environment;
and (3) optimally designing a construction scheme, namely importing the established construction scheme into the simulation platform, providing tension calculation of the paying-off section, wire tension calculation and bearing cable tension calculation for the construction scheme, and realizing the optimal design of the construction scheme through repeated trial calculation of parameters such as tension calculation, clearance distance crossing and the like.
In the embodiment of the invention, the tension paying-off algorithm model library comprises the calculation of outlet tension of a tension machine, the calculation of maximum traction force of a traction machine, the calculation of horizontal tension of a rope at each gear, the calculation of line length of the rope at each gear, and the calculation of downward pressure and envelope angle, wherein each calculation interface finishes the parameter input of the working procedure and the mathematical calculation model encapsulation, and the calculation interfaces are independent from each other and are related in front and back.
In the embodiment of the invention, the data collected by the bionic database comprises three-dimensional geographic information data, three-dimensional model data of line engineering, three-dimensional models of various machines and tools involved in construction, design data of line engineering and parameter information of various devices in tension setting-out.
Example two
Referring to fig. 1, a three-dimensional GIS-based power transmission line tension paying-off simulation system comprises
The tension paying-off algorithm model library is established according to the tension paying-off process, the calculation theory and the method and by combining the actual engineering situation, and provides algorithm support for tension calculation, paying-off segmentation and the like;
the method comprises the steps that a bionic database is used, a large amount of data support is needed for simulation of tension paying-off, the collected data are processed and stored in a warehouse by collecting various data, and a database of various data related to tension paying-off construction of the power transmission line is established;
the method comprises the steps that site selection is simulated in a traction field, a tension calculation algorithm can provide a recommended position range of the tension field, the position of the traction field is determined through tension paying-off rough calculation, then the tension paying-off fine calculation of the next step can be carried out, and various technical factors such as paying-off sections, tension paying-off calculation conditions and the like are integrated by utilizing a three-dimensional construction visual environment and a three-dimensional terrain analysis function provided by a three-dimensional GIS platform to carry out site selection on the traction field;
calculating, checking and simulating, namely building a tension paying-off calculation simulation platform by utilizing line engineering three-dimensional model data, high-definition images, terrain and other geographic information data based on a three-dimensional GIS platform, fusing a tension paying-off calculation process and algorithm with the three-dimensional GIS depth, and researching tension paying-off calculation and simulation in a three-dimensional visual environment;
and (3) optimally designing a construction scheme, namely importing the established construction scheme into the simulation platform, providing tension calculation of the paying-off section, wire tension calculation and bearing cable tension calculation for the construction scheme, and realizing the optimal design of the construction scheme through repeated trial calculation of parameters such as tension calculation, clearance distance crossing and the like.
In the embodiment of the invention, the simulated site selection of the tractive and stretching site also needs to consider the influence of various factors such as terrain and landform, and the site selection must firstly ensure that equipment such as a tractor, a tensioner and the like and large vehicles such as a crane, a truck and the like can successfully arrive; secondly, the selected site needs to meet the requirements of the construction operation of the stringing construction, the placement of materials, the stationing of personnel and other landforms and area sizes.
In the embodiment of the invention, the three-dimensional GIS platform performs real-time three-dimensional visual display on the pay-off calculation process, and realizes the verification of the reasonability and the safety of a scheme in the pay-off process through three-dimensional terrain analysis such as a wire ground distance.
In the embodiment of the invention, the tension paying-off calculation simulation platform is also combined with unmanned aerial vehicle flight data of a construction site to construct a high-definition site overall view, a site large scene is restored in a three-dimensional mode, construction risk sections such as cross spanning and the like are visually checked from a macroscopic view to a microscopic view, the simulation of construction conditions is supported, and the safe construction is assisted.
EXAMPLE III
Referring to fig. 2 to 7, a three-dimensional GIS-based power transmission line tension paying-off simulation system includes a hardware portion
The shell assembly is used for placing each hardware component structure of the simulation system and consists of a box body 1 and a movable cover 2, and the box body 1 and the movable cover 2 are rotationally connected through a connecting rotating shaft 6;
the operation assembly is used for controlling the operation of the simulation system and consists of a flight operation panel 3 and a simulation operation panel 4 which are respectively arranged in the box body 1, and a flight display screen 9 and a shot picture display screen 10 which are respectively and fixedly arranged on the inner side surface of the movable cover 2, wherein the flight operation panel 3 is positioned on one side of the simulation operation panel 4, and the flight display screen 9 is positioned on one side of the shot picture display screen 10;
and the shooting signal receiving component is composed of a signal relay component 13 and is used for receiving geographic information data, line engineering data and various machine and tool equipment data information related to construction shot by the aerial camera 12 and transmitting the received information to the simulation operation panel 4.
In the embodiment of the invention, a placing groove 5 for placing a spongy cushion 14 is arranged between the flight operation panel 3 and the simulation operation panel 4, and the spongy cushion 14 is provided with a groove for placing the control handle 11, the aerial photography device 12 and the signal transfer component 13.
In the embodiment of the present invention, a power interface 7 for electrically connecting with an external power source and a signal transmission interface 8 for signal transmission connection with the signal relay assembly 13 are disposed on one side of the box body 1.
In the embodiment of the present invention, the signal relay assembly 13 is composed of a movable supporting rod 17, a signal antenna 19 arranged inside the movable supporting rod 17, and a movable connecting rod 18 having one end rotatably connected to the middle part inside the movable supporting rod 17 and the other end rotatably connected to the bottom end of the signal antenna 19, the upper ends of the movable supporting rods 17 are rotatably connected to a lantern ring 16 passing through the signal antenna 19 at the center, and a detachable fixing cap 20 is sleeved at the bottom end of the movable supporting rod 17.
In the embodiment of the invention, the movable cover 2 is composed of two panels which are rotatably connected through a connecting rotating shaft 6, and the inner side surfaces of the two panels are fixedly embedded with an analog picture display screen 15.
The working principle is as follows: the method aims at the preparation stage of the tension stringing early stage, namely the construction scheme design stage, and comprises the aspects of division of sections, calculation of tension, checking selection of tension equipment and tools, calculation of related parameters and the like, and provides a theoretical basis for realization of a software algorithm library by deeply researching mathematical principles, models and formulas in tension stringing calculation. Meanwhile, the tension paying-off algorithm is researched and combined with the actual engineering situation, and a tension paying-off algorithm model suitable for Shaanxi power grid engineering is established.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a transmission line tension unwrapping wire analog simulation system based on three-dimensional GIS which characterized in that: the hardware part of the system comprises
The shell assembly is used for placing each hardware part composition structure of the simulation system and consists of a box body (1) and a movable cover (2), and the box body (1) and the movable cover (2) are in rotary connection through a connecting rotating shaft (6);
the operation assembly is used for controlling the operation of the simulation system and consists of a flight operation panel (3) and a simulation operation panel (4) which are respectively arranged in the box body (1), and a flight display screen (9) and a shooting picture display screen (10) which are respectively and fixedly arranged on the inner side surface of the movable cover (2), wherein the flight operation panel (3) is positioned on one side of the simulation operation panel (4), and the flight display screen (9) is positioned on one side of the shooting picture display screen (10);
the shooting signal receiving assembly is composed of a signal transfer assembly (13) and is used for receiving geographic information data, line engineering data and various machine tool equipment data information related to construction shot by the aerial camera (12) and transmitting the received information to the simulation operation panel (4);
the software part of the system comprises
The tension paying-off algorithm model library is established according to the tension paying-off process, the calculation theory and the method and by combining the actual engineering situation, and provides algorithm support for tension calculation and paying-off segmentation;
the method comprises the steps that a bionic database is used, a large amount of data support is needed for simulation of tension paying-off, the collected data are processed and stored in a warehouse by collecting various data, and a database of various data related to tension paying-off construction of the power transmission line is established;
the method comprises the steps that site selection is simulated in a traction field, a tension calculation algorithm can provide a recommended position range of the tension field, the position of the traction field is determined through tension paying-off rough calculation, then the tension paying-off fine calculation of the next step can be carried out, and various technical factors of paying-off sections and tension paying-off calculation conditions are synthesized by utilizing a three-dimensional construction visual environment and a three-dimensional terrain analysis function provided by a three-dimensional GIS platform to select the site of the traction field;
calculating, checking and simulating, namely building a tension paying-off calculation simulation platform by utilizing three-dimensional model data, high-definition images and topographic geographic information data of line engineering based on a three-dimensional GIS platform, fusing a tension paying-off calculation process and algorithm with the three-dimensional GIS depth, and researching tension paying-off calculation and simulation in a three-dimensional visual environment;
and (3) optimally designing a construction scheme, namely importing the established construction scheme into the simulation platform, providing tension calculation of the paying-off section, wire tension calculation and bearing cable tension calculation for the construction scheme, and realizing the optimal design of the construction scheme through the tension calculation and repeated trial calculation of the parameter of the crossing clearance.
2. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: a placing groove (5) for placing a spongy cushion (14) is formed between the flight operation panel (3) and the simulation operation panel (4), and grooves for placing an operation handle (11), an aerial photography device (12) and a signal transfer assembly (13) are formed in the spongy cushion (14).
3. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: one side of the box body (1) is provided with a power interface (7) which is used for being electrically connected with an external power supply and a signal transmission interface (8) which is used for being connected with the signal transfer component (13) in a signal transmission way.
4. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1 or 2, characterized in that: signal transfer subassembly (13) are in by activity bracing piece (17), arrangement signal antenna (19), the one end rotation of activity bracing piece (17) inboard is connected in the inboard middle part of activity bracing piece (17), and the other end rotation is connected activity connecting rod (18) of the bottom of signal antenna (19) constitute, the upper end of activity bracing piece (17) is all rotated and is connected lantern ring (16) of passing signal antenna (19) in center department, the bottom cover of activity bracing piece (17) is equipped with detachable locking cap (20).
5. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: the movable cover (2) is composed of two panels which are rotatably connected through a connecting rotating shaft (6), and the inner side surfaces of the two panels are fixedly embedded with simulation picture display screens (15).
6. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: the tension paying-off algorithm model library comprises calculation of outlet tension of a tension machine, calculation of maximum traction of a traction machine, calculation of horizontal tension of a rope at each gear, calculation of line length of the rope at each gear, and calculation of down pressure and an envelope angle, wherein each calculation interface finishes parameter input of a working procedure and mathematical calculation model encapsulation, and the calculation interfaces are independent and related.
7. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: the data collected by the bionic database comprises three-dimensional geographic information data, three-dimensional model data of line engineering, three-dimensional models of various machines and tools involved in construction, design data of line engineering and parameter information of various devices in tension setting-out.
8. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: the simulation site selection of the traction and stretching field needs to consider the influence of various factors of landform and landform, and the field must be selected to ensure that large vehicles such as a tractor, a tensioner device, a crane and a truck can arrive smoothly; secondly, the selected site needs to meet the requirements of erection operation, material placement, personnel stationing on the terrain and the area size of the stringing construction.
9. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: the three-dimensional GIS platform carries out real-time three-dimensional visual display on the pay-off calculation process and carries out three-dimensional terrain analysis on the ground distance through a lead.
10. The three-dimensional GIS-based power transmission line tension pay-off simulation system according to claim 1, characterized in that: the tension paying-off calculation simulation platform is combined with unmanned aerial vehicle flight data of a construction site to construct a high-definition site complete scene and restore a site large scene in a three-dimensional mode.
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