CN104834788B - A kind of 500kV shaft towers divide the real-time construction method of grounded-line threedimensional model more more times - Google Patents
A kind of 500kV shaft towers divide the real-time construction method of grounded-line threedimensional model more more times Download PDFInfo
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Abstract
The present invention discloses a kind of 500kV shaft towers and divides the real-time construction method of grounded-line threedimensional model more more times, it is characterized in that, this method is first against basic account data, shaft tower and mounting point model construction are completed in advance, by shaft tower mounting point encoding relation algorithm, determine that shaft tower mounts point correspondence, sag of conductor and ground wire curve under board design state；Then it is merged by service parameter, grounded-line space line, the sag of conductor and ground wire curve under amendment design state is carried out automatically according to actual conditions.Then it is merged by service parameter, grounded-line space line is carried out automatically according to actual conditions.Not only it ensure that three-dimensionally shaped scale generated, but also the operation conditions that gears to actual circumstances, and achieved the purpose that, to transmission line of electricity three-dimensional artificial, there is important economic value and social value.
Description
Technical field
The invention belongs to electric system three-dimensional artificial fields, and in particular to a kind of 500kV shaft towers divide grounded-line more more times
The real-time construction method of threedimensional model.
Background technology
In face of the close power grid distribution knitted, increasingly complicated power equipment, the electric network information of moment variation, constantly transition in length and breadth
Along feature changes, power grid is managed by the way of traditional and has been difficult to meet management and business demand.In operation and maintenance side
Face really restores transmission of electricity corridor real terrain landforms scene and shaft tower and grounded-line using three-dimensional visualization, has superior
The sense of reality and intuitive.
Include mainly the three dimensions simulation of the grounded-line between shaft tower and shaft tower to the simulation of transmission line of electricity three dimensions.
Electric power line pole tower can utilize the basic account data such as geographical coordinate, elevation, the shaft tower type of shaft tower, be built using 3dmax etc.
Mould software is modeled.But how a problem is modeled as to grounded-line after shaft tower modeling, especially being divided more times more
In circuit, high-precision modeling requirement and real-time grounded-line curve simulation become the core that transmission line of electricity three dimensions is simulated and ask
Topic.
In terms of grounded-line modeling, especially in terms of dividing grounded-line line multi circuit transmission lines more, rare combination shaft tower circuit
Detailed account data and business datum determine circuit spatial relation.In the case, existing way makes between shaft tower
Line can not carry out accurate three-dimensional modeling.
Invention content
The purpose of the present invention is：In order to overcome the shortcomings of the prior art, a kind of 500kV shaft towers are provided and are divided more times more
The real-time construction method of grounded-line threedimensional model.
The technical solution adopted in the present invention is：A kind of 500kV shaft towers divide the real-time structure of grounded-line threedimensional model more more times
Construction method, which is characterized in that this method completes shaft tower and mounting point model structure in advance first against basic account data
It builds, by shaft tower mounting point encoding relation algorithm, determines that shaft tower mounts point correspondence, sag of conductor and ground wire under board design state
Curve；Then it is merged by service parameter, grounded-line space line is carried out automatically according to actual conditions, under amendment design state
Sag of conductor and ground wire curve comprising following steps：
Step 1, according to shaft tower itself and the geodetic coordinates of front and back two Ji Ta, calculate shaft tower towards posture；
Step 2 returns number, conducting wire division number design parameter according to shaft tower tower, conducting wire, calculates grounded-line mounting point parameter letter
Breath, including quantity, separate, relative position information；
Step 3 completes shaft tower and mounting point three-dimensional entity model structure, demarcates mounting point hot spot；
Step 4, by grounded-line mounting point number ralation method, determine that shaft tower mounting point is numbered；
Step 5 is numbered by shaft tower towards posture, mounting point relative position information, mounting point, is calculated mounting point the earth and is sat
Mark；
Step 6, according to grounded-line essential information and mounting point coordinates and correspondence, using conventional span accumulation method and
Catenary equation of line strung approximate data calculates conducting wire and hangs stress equation, and it is bent to be allowed to simulate sag of conductor and ground wire under design point
Line；
Step 7, according to pressure line monitoring device service parameter, it is bent to be allowed to simulate arc sag identical with live true conducting wire
Line, sag curve under amendment design state；
Step 8 completes grounded-line three-dimensional entity model structure.
500kV shaft towers as described above divide the real-time construction method of grounded-line threedimensional model more more times, which is characterized in that
In step 2, when split conductor and ground wire pass through shaft tower, two theoretical mounting points, theoretical mounting point are determined with shaft tower vertical section
Number N returns number with conducting wireN DWith conducting wire division numberN FRelational expression be, N=2 × (3 ×N D×N F+2)。
500kV shaft towers as described above divide the real-time construction method of grounded-line threedimensional model more more times, which is characterized in that
In step 4, shaft tower mounting point number relation rule is, with " shaft tower position+front and back flag+separate position+division position " sequence
Coding, " shaft tower position " are 4 account data；" front and back flag " is that mounting point is located at line alignment anteroposterior position, such as in upper base
Shaft tower direction is 0, and lower base shaft tower direction is 1；" separate position " indicates ground wire, A phase, B phase, C phase respectively with 0,1,2,3；" division number
Position " is the local right-handed coordinate system that origin is built up in mounting yoke plate center（oxyz）, z-axis takes line alignment, x-axis take plummet to
Under, according to 360 degree of x-axis direction right-handed helix, it is 1,2,3,4 ... to take piont mark successively.
The beneficial effects of the invention are as follows：The present invention provides a kind of 500kV shaft towers, and grounded-line threedimensional model is divided more times more
Real-time construction method, solves the problems, such as how shaft tower modeling models grounded-line later.This method is first against basic platform
Account data, " prior " completion shaft tower and mounting point model construction realize the methods of exhibiting of " out-of-the-box ".It is mounted by shaft tower
Point encoding relation algorithm determines that shaft tower mounts point correspondence, sag of conductor and ground wire curve under board design state.Then pass through industry
Business Parameter fusion carries out grounded-line space line automatically according to actual conditions.It ensure that three-dimensionally shaped scale generates, and cut
Actual operating state is closed, achievees the purpose that, to transmission line of electricity three-dimensional artificial, there is important economic value and social value.
Description of the drawings
Fig. 1 is that 500kV shaft towers divide the real-time construction method implementation schematic diagram of grounded-line threedimensional model more more times.
Fig. 2 is the real-time structure figures of 500kV double back quadripartion grounded-line threedimensional models.
Fig. 3 is that quadripartion anchor support threedimensional model builds sterogram in real time.
Specific implementation mode
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.Those skilled in the art can make various modifications or changes to the present invention, these
Equivalent form is equally listed by the application within the scope of claims limited.
The method of the present invention is mainly used in transmission line of electricity three-dimensional artificial field, needs to be made with analog conducting wire connection between shaft tower
Become a complete spatial model entirety.Include mainly between shaft tower and shaft tower to the simulation of transmission line of electricity three dimensions
The three dimensions of grounded-line is simulated.Electric power line pole tower can carry out " prior " modeling using modeling softwares such as 3dmax, but build
How to be a problem to conducting wire modeling after mould.At the same time, as fortune inspection unit is to simulating realistic and lean demand
It improves, model needs assign more information, such as conducting wire division situation, conducting wire sag situation.
The present invention " is opened first against basic account data, " prior " completion shaft tower and mounting point model construction, realization
The methods of exhibiting of case i.e. use ".By shaft tower mounting point encoding relation algorithm, determine that shaft tower mounts point correspondence, board design
Sag of conductor and ground wire curve under state.Then it is merged by service parameter, grounded-line space line is carried out automatically according to actual conditions,
Sag curve under amendment design state.As shown in Figure 1, being that 500kV shaft towers of the present invention divide grounded-line threedimensional model reality more more times
When construction method implement schematic diagram.Wherein comprise the steps of：
Step 1：According to shaft tower itself and the geodetic coordinates of front and back two Ji Ta, shaft tower posture is calculated.Implement this method
One big element is to determine shaft tower posture, i.e., on the basis of obtaining shaft tower position, determines line alignment, identify shaft tower posture.In the past
Two base shaft towers determine shaft tower setting angle at 3 points afterwards, lay the foundation for follow-up mounting point coordinates calculating.
Step 2：The design parameters such as number, conducting wire division number are returned according to shaft tower tower, conducting wire, calculate mounting point parameter information
（Quantity, separate, relative position information）.When split conductor and ground wire pass through shaft tower, two theories are determined with shaft tower vertical section
Mounting point, theoretical mounting point number N return number with conducting wireN DWith conducting wire division numberN FRelational expression be, N=2 × (3 ×N D×N F+2)。
Step 3 completes shaft tower and mounting point three-dimensional entity model structure using model, determines that mounting point hot spot identifies.
Step 4, by shaft tower mounting point number relational graph, determine that shaft tower mounting point is numbered.Shaft tower mounting point number relationship
Rule is, with " shaft tower position+front and back flag+separate position+division position " sequential encoding, " shaft tower position " is 4 account numbers
According to；" front and back flag " is that mounting point is located at line alignment anteroposterior position, is such as 0 in upper base shaft tower direction, lower base shaft tower direction is
1；" separate position " indicates ground wire, A phase, B phase, C phase respectively with 0,1,2,3；" division position " is that origin is built up in mounting yoke plate
The local right-handed coordinate system of the heart（oxyz）, z-axis takes line alignment, x-axis to take plummet downward, according to 360 degree of x-axis direction right-handed helix,
It is 1,2,3,4 ... to take piont mark successively.4 split conductor of example is located at No. 15 14 base side A phases of shaft tower number respectively be " 0015011 ",
“0015012”、“0015013”、“0015014” 。
Step 5 is numbered by shaft tower towards posture, mounting point relative position information, mounting point, is calculated mounting point the earth and is sat
Mark.Shaft tower coordinate system is converted as earth coordinates, calculates mounting point geodetic coordinates, common input computer system is numbered with mounting point
System.
Step 6, according to grounded-line essential information and mounting point coordinates and correspondence, it is bent to calculate design sag of conductor and ground wire
Line.Opposite mounting point is taken, such as " 0015012 " corresponding 14 base shaft tower mounting points are " 0014112 ".Geodetic coordinates is transferred, using normal
It advises span accumulation method and Catenary equation of line strung approximate data and calculates conducting wire and hang stress equation, be allowed to simulate design and lead ground
Bank catenary.
Step 7, according to pressure line monitoring device service parameter, calculate real-time sag of conductor and ground wire curve.Opposite mounting point is taken, such as
" 0015012 " corresponding 14 base shaft tower mounting points are " 0014112 ".Geodetic coordinates is transferred, song is built jointly with monitoring business datum
Line model calculates sag of conductor and ground wire curve.According to pressure line monitoring device service parameter, it is allowed to simulate and live true conducting wire phase
With sag curve, sag curve under amendment design state.
Step 8 completes grounded-line three-dimensional entity model structure.
Finally it should be noted that the above content is merely illustrative of the technical solution of the present invention, rather than the present invention is protected
The limitation of range, those skilled in the art to technical scheme of the present invention carry out it is simple modification or equivalent replacement,
All without departing from the spirit and scope of technical solution of the present invention.
Claims (3)
1. a kind of 500kV shaft towers divide the real-time construction method of grounded-line threedimensional model more more times, which is characterized in that this method is first
For basic account data, shaft tower and mounting point model construction are completed in advance, by shaft tower mounting point encoding relation algorithm,
Determine that shaft tower mounts point correspondence, sag of conductor and ground wire curve under board design state；Then it is merged by service parameter, automatically
Grounded-line space line, the sag of conductor and ground wire curve under amendment design state comprising following steps are carried out according to actual conditions：
Step 1, according to shaft tower itself and the geodetic coordinates of front and back two Ji Ta, calculate shaft tower towards posture；
Step 2 returns number, conducting wire division number design parameter according to shaft tower tower, conducting wire, calculates grounded-line mounting point parameter information,
Including quantity, separate, relative position information；
Step 3 completes shaft tower and mounting point three-dimensional entity model structure, demarcates mounting point hot spot；
Step 4, by grounded-line mounting point number ralation method, determine that shaft tower mounting point is numbered；
Step 5 is numbered by shaft tower towards posture, mounting point relative position information, mounting point, and mounting point geodetic coordinates is calculated；
Step 6, according to grounded-line essential information and mounting point coordinates and correspondence, using conventional span accumulation method and conducting wire
Catenary equation approximate data calculates conducting wire and hangs stress equation, is allowed to simulate sag of conductor and ground wire curve under design point；
Step 7, according to pressure line monitoring device service parameter, be allowed to simulate sag curve identical with live true conducting wire, repair
Sag curve under positive design point；
Step 8 completes grounded-line three-dimensional entity model structure.
2. 500kV shaft towers according to claim 1 divide the real-time construction method of grounded-line threedimensional model, feature more more times
It is, in step 2, when grounded-line passes through shaft tower, two theoretical mounting points, theory mounting points is determined with shaft tower vertical section
Mesh N returns number N with conducting wireDWith conducting wire division number NFRelational expression be N=2 × (3 × ND×NF+2)。
3. 500kV shaft towers according to claim 1 divide the real-time construction method of grounded-line threedimensional model, feature more more times
It is, in step 4, shaft tower mounting point number relation rule is, with " shaft tower position+front and back flag+separate position+division number
Position " sequential encoding, " shaft tower position " are 4 account data；" front and back flag " is that mounting point is located at line alignment anteroposterior position,
Upper base shaft tower direction is 0, and lower base shaft tower direction is 1；" separate position " indicates ground wire, A phase, B phase, C phase respectively with 0,1,2,3；" point
The number of splitting position " is the local right-handed coordinate system oxyz that origin is built up in mounting yoke plate center, and z-axis takes line alignment, x-axis take plummet to
Under, according to 360 degree of x-axis direction right-handed helix, it is 1,2,3,4 ... to take piont mark successively.
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| CN111090919B (en) * | 2018-10-24 | 2023-10-27 | 国网浙江省电力有限公司 | Optimal modeling method and system for spacer in three-dimensional design of transformer substation |
| CN111177872B (en) * | 2018-10-24 | 2023-10-27 | 国网浙江省电力有限公司 | Modeling method and system for power line based on three-dimensional geographic information system |
| CN109766648B (en) * | 2019-01-17 | 2023-05-02 | 中铁十七局集团电气化工程有限公司 | BIM technology-based traction substation lead prefabrication installation construction method |
| CN115841547B (en) * | 2023-01-13 | 2024-04-19 | 中国电力工程顾问集团中南电力设计院有限公司 | Power line digital twin scene construction method |
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