CN112560206A - Method and system for automatically drawing power transmission line edge layout by CAD - Google Patents
Method and system for automatically drawing power transmission line edge layout by CAD Download PDFInfo
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Abstract
The invention discloses a method and a system for automatically drawing a power transmission line edge layout by CAD, wherein various tower pole primitive models are defined in CAD software; defining different primitive models into different blocks; receiving and sorting basic ledger data; moving the corresponding primitive model to a coordinate point according to the received longitude and latitude coordinates and the tower material; calculating the rotation angle of the tower graphic element according to the received line advancing direction; calculating the coordinates of the hanging points of the tower conductors according to the received circuit loop information; drawing a strain tower bow line arc; and drawing a wire section according to the obtained coordinates of the tangent tower hanging point and the tension tower size side hanging point.
Description
Technical Field
The invention discloses a method and a system for automatically drawing a power transmission line edge layout by CAD.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In order to visually reflect the trend, the same-tower relation, the parallel relation, the cross-spanning relation, the tower material, the tower attribute and the like of the line, a power transmission line edge layout is required to be drawn so as to guide the daily inspection of the line, and facilitate operation and maintenance management, working danger point analysis and the like. At present, the edge layout of one line needs to have certain CAD operation skills, the consumed time is long, and 3-4 hours are needed for drawing a line with the number of towers being 50. In addition, due to different drawing standards, the trend and the position of individual lines and towers are not in accordance with the actual situation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a system and a method for automatically drawing a power transmission line edge layout by CAD (computer aided design).
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, embodiments of the present invention provide a method for CAD automatic drawing of a power line layout;
defining various tower pole graphic primitive models in CAD software; different primitive models are defined into different blocks, so that the different blocks are called when the drawing is convenient;
collecting and arranging basic account data, wherein the basic account data comprises information such as line names, tower numbers, longitude and latitude coordinates, strain or straight lines, tower types, left and right loops and the like;
placing corresponding primitives to coordinate points according to the longitude and latitude coordinates of the tower and the material of the tower;
calculating the rotation angle of the tower graphic element according to the advancing direction of the line;
calculating the coordinates of the hanging points of the tower conducting wires according to the circuit loop information (a left line, a right line and a middle line);
drawing a strain tower bow line arc;
and drawing the wire section according to the wire hanging point coordinates.
In a second aspect, an embodiment of the present invention further provides a system for CAD automatic drawing of a power line layout, including:
a first module configured to define various types of tower primitive models; different primitive models are defined into different blocks, so that the different blocks are called when the drawing is convenient;
a second module configured to collect consolidated base ledger data;
the third module is configured to place the corresponding graphic elements to coordinate points according to the longitude and latitude coordinates of the towers and the materials of the towers;
the fourth module is configured to calculate the rotation angle of the tower graphics primitive according to the line advancing direction;
the fifth module is configured to calculate coordinates of a tower wire hanging point according to the line loop information;
the sixth module is used for drawing the arc of the strain tower bow line;
and the seventh module is used for drawing the wire section according to the wire hanging point coordinates.
In a third aspect, an embodiment of the present invention further provides a server, where the server includes: a memory, a processor, and a CAD auto-draw power line edge layout system stored on the memory and executable on the processor.
In a fourth aspect, an embodiment of the present invention further provides a storage medium, where the CAD automatic drawing power line layout system is stored on the storage medium.
In a fifth aspect, the present invention also provides a CAD plug-in for performing the CAD method of automatically drawing a power line layout.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
the method and the system can be used for quickly and accurately drawing the CAD format power transmission line edge distribution map, the drawn edge distribution map can be used for quickly distinguishing the type of the tower, the type of the tower and the same-tower erection condition, and CAD zero-base personnel can also be quickly mastered and used, so that the method and the system are suitable for drawing the line edge distribution map by power transmission professional personnel of power supply companies in various regions.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is an angle steel tower primitive model of the present invention;
FIG. 2 is a steel pipe pole primitive model of the present invention;
FIG. 3 is a cement pole graphical primitive model of the present invention;
FIG. 4 is a schematic diagram illustrating the calculation of coordinates of a tower hanging point according to the present invention;
fig. 5 is a diagram of the circuit effect drawn by the present invention.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as described in the background, the prior art is deficient, and the present invention provides a method and system for CAD automatic drawing of power line layout.
Example 1
In an exemplary embodiment of the present invention, a method for CAD automatic drawing of a power line layout is provided, as follows:
defining various tower pole graphic primitive models in CAD software; different primitive models are defined into different blocks, so that the different blocks are called when the drawing is convenient; for example, fig. 1 is a graphical element model of an angle steel tower, fig. 2 is a graphical element model of a steel pipe pole, and fig. 3 is a graphical element model of a cement pole.
Collecting and arranging basic account data, wherein the basic account data comprises information such as line names, tower numbers, longitude and latitude coordinates, strain or straight lines, tower types, left and right loops and the like;
placing corresponding primitives to coordinate points according to the longitude and latitude coordinates of the tower and the material of the tower;
calculating the rotation angle of the tower graphic element according to the advancing direction of the line; the method comprises the following specific steps:
let A (x)a，ya)，B(xb，yb)，C(xc，yc) For a three-base continuous tower, x is longitude, y is latitude, and α is
In the direction of (b) is
In the direction of (a).
The rotation angle θ of the tower is (α + β)/2.
Calculating the coordinates of the hanging points of the tower conducting wires according to the circuit loop information (a left line, a right line and a middle line);
for a straight line tower: the coordinates of the wire suspension points on the large-size side and the small-size side of the left wire are equal to the coordinates of the center point of the left cross arm of the tower module; the coordinates of the wire suspension points on the large-size side and the small-size side of the right wire are equal to the coordinates of the center point of the right cross arm of the tower module;
for the tension tower: the coordinates of the left wire hanging point and the coordinates of the right wire hanging point are the intersection points of line segments and circles, the line segments are line segments formed by the center points of the left cross arms of the front and rear pole tower modules or line segments formed by the center points of the right cross arms, the circles are the centers of the poles and tower coordinates, and the radius of the circles is 1.2 times that of the pole tower modules.
Drawing a strain tower bow line arc; drawing the strain tower arc by taking the small side hanging point of the strain tower as a starting point, the large side hanging point as an end point and the tower coordinate as the circle center
And drawing a lead section according to the coordinates of the tangent tower hanging point and the tension tower size side hanging point, and simulating lead connection.
Example 2
The embodiment also provides a system for automatically drawing a power transmission line layout by CAD, which comprises:
a first module configured to define various types of tower primitive models; different primitive models are defined into different blocks, so that the different blocks are called when the drawing is convenient; for example, fig. 1 is a graphical element model of an angle steel tower, fig. 2 is a graphical element model of a steel pipe pole, and fig. 3 is a graphical element model of a cement pole.
A second module configured to collect consolidated base ledger data;
the third module is configured to place the corresponding graphic elements to coordinate points according to the longitude and latitude coordinates of the towers and the materials of the towers;
the fourth module is configured to calculate the rotation angle of the tower graphics primitive according to the line advancing direction; let A (x)a，ya)，B(xb，yb)，C(xc，yc) For a three-base continuous tower, x is longitude, y is latitude, and α is
In the direction of (b) is
In the direction of (a).
The rotation angle θ of the tower is (α + β)/2.
The fifth module is configured to calculate coordinates of a tower wire hanging point according to the line loop information;
for a straight line tower: the coordinates of the wire suspension points on the large-size side and the small-size side of the left wire are equal to the coordinates of the center point of the left cross arm of the tower module; the coordinates of the wire suspension points on the large-size side and the small-size side of the right wire are equal to the coordinates of the center point of the right cross arm of the tower module;
for the tension tower: the coordinates of the left wire hanging point and the coordinates of the right wire hanging point are the intersection points of line segments and circles, the line segments are line segments formed by the center points of the left cross arms of the front and rear pole tower modules or line segments formed by the center points of the right cross arms, the circles are the centers of the poles and tower coordinates, and the radius of the circles is 1.2 times that of the pole tower modules.
The sixth module is used for drawing the arc of the strain tower bow line; and drawing the strain tower arc by taking the small side hanging point of the strain tower as a starting point, the large side hanging point as an end point and the tower coordinate as the center of a circle.
And the seventh module is used for drawing the wire section according to the wire hanging point coordinates.
Example 3
This embodiment also provides a server, which includes: a memory, a processor and a CAD auto-drawn power line edge layout method as described in embodiment 1 or a CAD auto-drawn power line edge layout system as described in embodiment 2 stored on and executable on said memory.
The server in this embodiment may include: a processor, such as a central processing unit, a communication bus, a user interface, a network interface, a memory, etc., may also include only a central processing unit, a memory, a communication bus, and a user interface. When the server needs to communicate with an upper computer and the like, a communication module needs to be added; the server may be a hand-held mini-server.
Wherein the communication bus is used for realizing connection communication among the components. The user interface may include a display screen, an input module such as a keyboard, and the optional user interface may also include a standard wired interface, a wireless interface. The network interface may optionally include standard wired, wireless interfaces. The memory may be a high speed random access memory or may be a stable non-volatile memory such as a disk memory. The memory may alternatively be a storage device separate from the aforementioned processor.
Those skilled in the art will appreciate that the above described architecture is not meant to be limiting with respect to servers and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
Example 4
In a fourth aspect, an embodiment of the present invention further provides a storage medium, where the CAD automatic drawing power line edge layout method according to embodiment 1 or the CAD automatic drawing power line edge layout system according to embodiment 2 is stored on the storage medium.
The memory, which is a kind of storage medium, may include therein an operating system, a data storage module, a network communication module, a user interface module, and a water quality detection program. In the server, the network interface is mainly used for carrying out data communication with the network server; the user interface is mainly used for data interaction with a user; the processor and the memory in the server of the invention can be arranged in the server.
Example 5
The present invention also provides a CAD plug-in for performing the CAD automatic power line edge layout drawing method described in the foregoing embodiment 1 or the CAD automatic power line edge layout drawing system described in the embodiment 2. This CAD plug-in components of automatic drawing circuit edge layout that patent researched and developed, it is long to have solved artifical drawing along the layout is long consuming time, the problem that the error is big, can draw power transmission line edge layout according to basic account information is automatic, can draw the circuit trend automatically and accurately, draw the cement pole according to the material of shaft tower is automatic, the angle steel tower, the figure of steel pipe pole, draw the straight line automatically according to the nature of shaft tower, strain tower, the figure of drawing can embody the same tower of circuit, the parallel condition, the tower type of placing the shaft tower automatically, marks such as shaft tower number.
In the embodiment, CAD VBA is used for interaction according to an autocAD self-contained programming interface, CAD drawing is controlled to be developed by adopting AutoLISP, and finally drawn effect graphs are shown in figure 5.
The plug-in disclosed in the embodiment can be used as a plug-in of AutoCAD software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for automatically drawing a power transmission line layout by CAD is characterized by comprising the following steps:
defining various tower pole graphic primitive models in CAD software; defining different primitive models into different blocks;
receiving and sorting basic ledger data;
moving the corresponding primitive model to a coordinate point according to the received longitude and latitude coordinates and the tower material;
calculating the rotation angle of the tower graphic element according to the received line advancing direction;
calculating the coordinates of the hanging points of the tower conductors according to the received circuit loop information;
drawing a strain tower bow line arc;
and drawing a wire section according to the obtained coordinates of the tangent tower hanging point and the tension tower size side hanging point.
2. The method for CAD automatic profiling of power transmission lines of claim 1 wherein said base ledger data includes line name, tower number, longitude and latitude coordinates, strain or straight lines, tower type, left and right loops.
3. The method for CAD automatic drawing of power transmission line layout according to claim 1, characterized in that, for a straight line tower, the left line large-size side and small-size side wire suspension point coordinates are equal to the left cross arm center point coordinates of the tower module; the coordinates of the wire suspension points on the large-size side and the small-size side of the right wire are equal to the coordinates of the center point of the right cross arm of the tower module.
4. The method of CAD automated power line profiling of claim 1, wherein for a strain tower: the coordinates of the left wire hanging point and the coordinates of the right wire hanging point are intersection points of line segments and circles, the line segments are line segments formed by center points of left cross arms or center points of right cross arms of front and rear pole tower modules, the circles are circle centers of the pole tower coordinates, and the radius of the circles is 1.2 times that of the pole tower modules.
5. The method for CAD automated drawing of power transmission line profiles of claim 1, wherein the method for drawing the tension tower bow line arc comprises: and drawing the strain tower arc by taking the small side hanging point of the strain tower as a starting point, the large side hanging point as an end point and the tower coordinate as the center of a circle.
6. A system for CAD automated drawing of power line profiles, comprising:
a first module configured to define various types of tower primitive models; different primitive models are defined into different blocks, so that the different blocks are called when the drawing is convenient;
a second module configured to receive consolidated base ledger data;
the third module is configured to place the corresponding primitive model to a coordinate point according to the received tower longitude and latitude coordinates and the tower material;
the fourth module is configured to calculate the rotation angle of the tower graphics primitive according to the received line advancing direction;
the fifth module is configured to calculate the coordinates of the hanging points of the tower conductors according to the received line loop information;
a sixth module configured to draw a strain tower bow line arc;
and the seventh module is configured to draw the wire section according to the obtained tangent tower hanging point and the size side hanging point coordinate of the strain tower.
7. The system for automatically drawing a power transmission line edge layout according to claim 6, wherein the sixth module draws a strain tower arc by taking a small number side hanging point of the strain tower as a starting point, a large number side hanging point as an end point and taking a tower coordinate as a circle center.
8. A CAD plug-in for performing the CAD automatic power line layout drawing method of any of claims 1-5.
9. A storage medium having stored thereon the CAD automatic drawn power line edge layout system of any one of claims 6 to 7 or the CAD automatic drawn power line edge layout method of any one of claims 1 to 5.
10. A server, comprising a memory, a processor, and the CAD auto-drawing power line layout system of any one of claims 6 to 7 or the CAD auto-drawing power line layout method of any one of claims 1 to 5 stored on the memory and executable on the processor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113505558A (en) * | 2021-07-20 | 2021-10-15 | 广东电网有限责任公司 | Automatic connection method for equipment elements of power grid monitoring system based on graph algorithm technology |
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Application publication date: 20210326 |