CN117541743A - Automatic three-dimensional modeling method and modeling system for insulator hardware strings - Google Patents
Automatic three-dimensional modeling method and modeling system for insulator hardware strings Download PDFInfo
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- G—PHYSICS
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- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
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- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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Abstract
The invention discloses an automatic three-dimensional modeling system and a modeling method for insulator hardware strings, wherein the modeling method comprises the following steps: inputting serial numbers corresponding to insulator hardware strings to be modeled in a man-machine interaction interface of the three-dimensional graphic design platform; the serial number analysis module analyzes serial number according to preset rules to obtain corresponding serial type classification information; automatically finding out a corresponding string-type part list in a string-type part list library according to the string-type classification information; modifying and setting the parameter information of the hardware string in the string type part table, and automatically generating a corresponding part model by a parameterized modeling engine according to the input parameters; after the part model is generated, the assembly module automatically assembles the part model according to the assembly sequence of the part model in the string-type part table to generate the insulator hardware string model. The invention can automatically generate the part model, can automatically assemble the serial parts, has higher assembly efficiency, can greatly save labor and operation time, and reduces the assembly error rate.
Description
Technical Field
The invention relates to the field of power transmission and transformation engineering, in particular to an automatic three-dimensional modeling method and system for insulator hardware strings.
Background
The paper GIM-based three-dimensional model construction method research of overhead transmission lines Tao Gang discloses a three-dimensional modeling method of a line engineering ontology, and particularly discloses a three-dimensional modeling process of the line engineering ontology mainly refers to construction processes of main models of engineering equipment and facilities such as ground wires, towers, insulator strings, foundations and the like. According to the three-dimensional parametric modeling method based on the GIM, key parameters of different types of ontology are described, a three-dimensional model conforming to design logic is generated by a computer, the efficiency is high, the interrelationship among equipment elements is truly reflected, the existing primitive models can be assembled in a combined mode, the reusability is high, and the forward design flow advocated by the current three-dimensional design technology is met. From the perspective of meeting the three-dimensional design requirements, the three-dimensional model of the power grid engineering is divided into a general model, a product model and an assembly model according to the complexity of the model. For the three-dimensional model of the insulator string, the primary design stage of the line engineering is required to be a general model, and parametric modeling (mod file) is adopted by taking the whole string as a unit. The construction diagram design stage is a product model (stl file), and the insulator and the hardware model are assembled to form a whole string, wherein the model contains geometric information, connection information and attribute parameters. In the parameterized modeling process, an insulator string and a tower connection point are taken as an origin, the origin is an intersection point of a horizontal plane where the highest hanging point is located when the hanging points are multiple, and a plumb line in the center of a hanging line point of the insulator string, parameterized description of the insulator string comprises model ID, wire splitting number, splitting information (arrangement mode and interval), string use (wire string and ground wire string), string type (hanging string and tension string), V string included angle, U string connection length, hardware fitting length, number of strings, arrangement mode, insulator information (radius, number of sheets, material and the like), equalizing ring information (number, height, radius, position), wiring point information and the like, and parameters are read through a three-dimensional graphic engine, and an effect graph is rendered.
Paper application in three-dimensional modeling circuit construction diagram design Cui Yanjun discloses application of three-dimensional modeling in circuit construction diagram design, wherein power transmission equipment comprises a tower, a hanging string, a lead wire and a ground wire, and the like, and the lead wire and the ground wire need to be drawn through the vertical tower, the hanging string and the ground wire. (1) The vertical tower needs to consider three aspects of tower position, tower use tower type, tower angle and the like: (1) and the deviation from the name of the positioning pile is achieved through the cumulative distance sum of the TA files. Obtaining the position of each tower from the distance; (2) converting the position of the tower into geographic coordinates; (3) creating a three-dimensional pole tower object in three dimensions; (4) according to the tower type and calling height in the TA file, searching a corresponding three-dimensional model (. X format) from a model library in the three-dimensional design system to represent the tower; (5) and adjusting the posture of the tower through the corner angle in the TA document. (2) The string hanging is divided into a tangent tower and a tension tower for hanging on the towers, and the tangent tower hanging is realized by directly hanging the corresponding string type and the corresponding three-dimensional model of each tower according to the TA file. For the strain tower, the gesture of the string after jumper design can change according to different working conditions, when the three-dimensional realization of the line is realized, the interaction needs to be performed through an intermediate file, and the intermediate file can record the K value, the span, the hanging point of the string relative to the tower and the like of each jumper.
The disadvantage of the two paper schemes is that a designer is required to manually create a part model, and the hardware and insulator component models are assembled in sequence based on the connection points of the part model, and finally the complete insulator string model is formed. The existing production mode adopts a mode of manually modeling one by one and manually assembling one by one, and has low automation degree and low design efficiency.
Disclosure of Invention
The invention aims at solving the problems of low automation degree and low design efficiency of the traditional three-dimensional modeling method in the background art that part models are required to be manually created, hardware and insulator component models are assembled in sequence based on part model connection points, and the method is low in automation degree and low in design efficiency by adopting a mode of manually modeling one by one and manually assembling one by one.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an automatic three-dimensional modeling method for insulator hardware strings comprises the following steps:
s1, inputting serial numbers corresponding to insulator hardware strings to be modeled in a man-machine interaction interface of a three-dimensional graphic design platform;
s2, analyzing the serial number of the string map by a number analyzing module according to a preset rule, analyzing the input serial number of the string map, and outputting string type classification information corresponding to the insulator string number after analysis;
s3, automatically finding out a corresponding string-type part list in a string-type part list library according to string-type classification information;
s4, modifying and setting parameter information of the hardware string in the string part table, automatically and synchronously inputting the modified parameter information into a parameterized modeling engine, and automatically generating a corresponding part model by the parameterized modeling engine according to the input parameters;
s5, after the part model is generated, the assembly module automatically assembles the part model according to the assembly sequence of the part models in the string-type part table to generate the insulator hardware string model.
In the above scheme, the number analysis module analyzes the serial number of the input string map in the human-computer interface according to a preset rule, and outputs string type classification information corresponding to the serial number of the insulator after analysis, wherein the string type classification information comprises the voltage class of the hardware string, the type of the hardware string, the string type, the wire splitting mode and the serial number of the insulator. Through the serial number analysis module, serial numbers input by a designer can be analyzed into parameters and model information corresponding to the hardware strings, and the hardware strings corresponding to the input serial numbers can be determined through the parameters and the model information.
In the above scheme, a template library is set in the string-shaped part table in step S3, each template in the template library corresponds to one hardware string-shaped, each hardware string-shaped is provided with a corresponding part assembly sequence, and after the part model is generated, the part model is automatically assembled according to the part assembly sequence corresponding to the hardware string-shaped, so as to generate the insulator hardware string model. Through the arrangement, each hardware string type is correspondingly provided with the automatic assembly sequence of each part model in the hardware string in the template library, so that the three-dimensional graphic platform can automatically assemble the part models according to the assembly sequence, the assembly efficiency is improved, and the manual consumption is reduced.
In the above scheme, in step S2, the parsing rule preset in the number parsing module is a parsing rule compiled according to the standard classification of the hardware string. By the arrangement, the serial number rule in the analysis rule is consistent with the standard classification rule, so that the design habit of a designer is met, and the designer can be quickly adapted to the analysis rule of the hardware string.
The invention provides an insulator hardware string automatic three-dimensional modeling system, which comprises a three-dimensional graphic design platform, wherein a man-machine interaction interface, a number analysis module, a string part table library, a parameterized modeling engine and an assembly module are arranged in the three-dimensional graphic design platform;
the man-machine interaction interface is an operation interface of the three-dimensional design platform, an operator can perform man-machine interaction in the design process on the three-dimensional design platform, and a string drawing number input area for inputting the insulator string is arranged on the man-machine interaction interface;
the serial number analysis module is internally provided with an analysis rule for analyzing the serial number of the string map input by a designer and outputting string type classification information corresponding to the insulator string number after analysis;
classifying and storing the string-type parts according to the string-type classification information in the string-type part table library; the corresponding serial part can be found according to the serial classification information, and a designer can set and modify parameters in the serial part table;
the parameterized modeling engine is used for automatically generating a part model according to the parameters set and modified in the string-type part table;
the assembly module is used for automatically assembling the generated part models, and during assembly, the parts models are automatically assembled according to the sequence of the part models in the serial part list.
In the above scheme, a template library is further provided in the string type part table library, templates corresponding to various hardware string types are provided in the template library, and each hardware string type in the template library is provided with a corresponding part assembly sequence. By the arrangement, templates corresponding to various hardware string types can be arranged in the template library, so that the design system can be suitable for the design of various hardware string types.
In the above scheme, the three-dimensional graphic design platform is a special three-dimensional digital design software platform for the power grid. By selecting a special three-dimensional digital design software platform for the power grid, the hardware string can be subjected to three-dimensional design, and the design efficiency is improved.
The invention has the positive effects that: according to the automatic three-dimensional modeling method for the insulator hardware string, the serial image number can be input into a human-computer interaction interface, the serial image number is analyzed through the number analysis module, serial type classification information corresponding to the insulator serial number is obtained, corresponding serial type parts are found in a serial type part table base, parameters of the serial type parts are enabled to meet design requirements through modification of the parameters, the parameters are imported into a parameterized modeling engine, a part model can be automatically generated, the assembly of the part model can be automatically assembled through the sequence of the part model in the serial type part table, the part model can be automatically generated through improvement of the automatic three-dimensional modeling method, and the assembly of the serial type parts can be automatically performed.
Drawings
Fig. 1 is a schematic structural diagram of an automatic three-dimensional modeling system for insulator hardware strings.
Fig. 2 is a schematic diagram of an automatic three-dimensional modeling method of insulator hardware strings in the present invention.
FIG. 3 is an exemplary diagram of a string part table library generated in accordance with the present invention.
The reference numerals in the figure are a human-computer interaction interface 1, a number analysis module 2, a string-type part table library 3, a template library 4, a parameterized modeling engine 5, an assembly module 6 and a hardware string model 7.
Detailed Description
The technical solutions of the present invention will be clearly and completely described by means of examples, and it is obvious that the described examples are only some, but not all, examples of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The automatic three-dimensional modeling system of the insulator hardware string shown in the figure 1 comprises a three-dimensional graphic design platform, wherein a human-computer interaction interface, a number analysis module, a string part table library, a parameterized modeling engine and an assembly module are arranged in the three-dimensional graphic design platform;
the three-dimensional graphic design platform can be a special three-dimensional digital design software platform for the power grid;
the man-machine interaction interface 1 is an operation interface of a three-dimensional design platform, an operator can perform man-machine interaction in a design process on the three-dimensional design platform, and a string drawing number input area for inputting an insulator string is arranged on the man-machine interaction interface 1;
the serial number analysis module 2 is internally provided with an analysis rule for analyzing the serial number of the string map input by a designer and outputting string type classification information corresponding to the insulator string number after analysis; the analysis rules preset in the number analysis module 2 are analysis rules compiled according to the standard classification of the hardware string type. By the arrangement, the serial number rule in the analysis rule is consistent with the standard classification rule, so that the design habit of a designer is met, and the designer can be quickly adapted to the analysis rule of the hardware string.
As shown in fig. 3, in the string-type part table library 3, string-type parts are classified and stored according to string-type classification information; the corresponding serial part can be found according to the serial classification information, and a designer can set and modify parameters in the serial part table; the serial part table library 3 is also provided with a template library 4, templates corresponding to various hardware string types are arranged in the template library 4, and each hardware string type in the template library 4 is provided with a corresponding part assembly sequence.
The parameterized modeling engine 5 is used for automatically generating a part model according to the parameters set and modified in the string-type part table 3;
the assembling module 6 is used for automatically assembling the generated part models, and when the part models are assembled, the required hardware string model 7 is obtained by automatically assembling the part models according to the sequence of the part models in the string part table.
Example 2
As shown in fig. 2, the automatic three-dimensional modeling method of the insulator hardware string of the invention comprises the following steps:
s1, inputting serial numbers corresponding to insulator hardware strings to be modeled in a man-machine interaction interface of a three-dimensional graphic design platform;
s2, analyzing the serial number of the string map by a number analyzing module according to a preset rule, analyzing the input serial number of the string map, and outputting string type classification information corresponding to the insulator string number after analysis; the string classification information comprises the voltage class of the hardware string, the type of the hardware string, the string type, the wire splitting mode and the number of insulator strings. The analysis rules preset in the number analysis module are analysis rules compiled according to the standard classification of the hardware string type. By the arrangement, the serial number rule in the analysis rule is consistent with the standard classification rule, so that the design habit of a designer is met, and the designer can be quickly adapted to the analysis rule of the hardware string.
S3, as shown in FIG. 3, automatically finding out a corresponding string-type part list in a string-type part list library according to string-type classification information; and a template library is arranged in the string-shaped part table, each template in the template library corresponds to one hardware string-shaped, each hardware string-shaped is provided with a corresponding part assembly sequence, and after the part model is generated, the part model is automatically assembled according to the part assembly sequence corresponding to the hardware string-shaped, so that the insulator hardware string model is generated.
S4, modifying and setting parameter information of the hardware string in the string part table, automatically and synchronously inputting the modified parameter information into a parameterized modeling engine, and automatically generating a corresponding part model by the parameterized modeling engine according to the input parameters;
s5, after the part model is generated, the assembly module automatically assembles the part model according to the assembly sequence of the part models in the string-type part table to generate the insulator hardware string model.
According to the automatic three-dimensional modeling system and the modeling method for the insulator hardware string, string type classification information can be obtained through analysis according to serial pattern numbers, corresponding string type parts are found in a string type part table base according to the string type classification information, parameters of the string type parts are modified and set, the parameters of the string type parts meet design requirements, then a part model is automatically generated through a parameterized modeling engine, and the part model is automatically assembled according to the sequence of the part model in the string type part table base. By the improvement of the invention, the part model can be automatically generated, and the assembly of the serial parts can be automatically carried out.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An automatic three-dimensional modeling method for insulator hardware strings is characterized by comprising the following steps:
s1, inputting serial numbers corresponding to insulator hardware strings to be modeled in a man-machine interaction interface of a three-dimensional graphic design platform;
s2, analyzing the serial number of the string map by a number analyzing module according to a preset rule, analyzing the input serial number of the string map, and outputting string type classification information corresponding to the insulator string number after analysis;
s3, automatically finding out a corresponding string-type part list in a string-type part list library according to string-type classification information;
s4, modifying and setting parameter information of the hardware string in the string part table, automatically and synchronously inputting the modified parameter information into a parameterized modeling engine, and automatically generating a corresponding part model by the parameterized modeling engine according to the input parameters;
s5, after the part model is generated, the assembly module automatically assembles the part model according to the assembly sequence of the part models in the string-type part table to generate the insulator hardware string model.
2. The automatic three-dimensional modeling method of the insulator hardware string according to claim 1, wherein the method comprises the following steps: in step S2, the number analysis module analyzes the serial number of the input string map in the man-machine interface according to a preset rule, and outputs string type classification information corresponding to the serial number of the insulator after analysis, where the string type classification information includes a voltage class of the hardware string, a type of the hardware string, a string type, a wire splitting mode and the number of insulator strings.
3. The automatic three-dimensional modeling method of the insulator hardware string according to claim 1, wherein the method comprises the following steps: and step S3, a template library is arranged in the string-shaped part table, each template in the template library corresponds to one hardware string-shaped, each hardware string-shaped part is provided with a corresponding part assembly sequence, and after the part model is generated, the part model is automatically assembled according to the part assembly sequence corresponding to the hardware string-shaped part, so that the insulator hardware string model is generated.
4. The automatic three-dimensional modeling method of the insulator hardware string according to claim 1, wherein the method comprises the following steps: in step S2, the parsing rule preset in the number parsing module is a parsing rule compiled according to the standard classification of the hardware string type.
5. An automatic three-dimensional modeling system for an insulator hardware string, which applies the automatic three-dimensional modeling method for an insulator hardware string according to any one of claims 1 to 4, characterized in that: the system comprises a three-dimensional graphic design platform, wherein a human-computer interaction interface, a number analysis module, a serial part table library, a parameterized modeling engine and an assembly module are arranged in the three-dimensional graphic design platform;
the man-machine interaction interface is an operation interface of the three-dimensional design platform, an operator can perform man-machine interaction in the design process on the three-dimensional design platform, and a string drawing number input area for inputting the insulator string is arranged on the man-machine interaction interface;
the serial number analysis module is internally provided with an analysis rule for analyzing the serial number of the string map input by a designer and outputting string type classification information corresponding to the insulator string number after analysis;
classifying and storing the string-type parts according to the string-type classification information in the string-type part table library; the corresponding serial part can be found according to the serial classification information, and a designer can set and modify parameters in the serial part table;
the parameterized modeling engine is used for automatically generating a part model according to the parameters set and modified in the string-type part table;
the assembly module is used for automatically assembling the generated part models, and during assembly, the parts models are automatically assembled according to the sequence of the part models in the serial part list.
6. The automatic three-dimensional modeling system of insulator hardware strings according to claim 5, wherein: the serial part list library is also provided with a template library, templates corresponding to various hardware serial types are arranged in the template library, and each hardware serial type in the template library is provided with a corresponding part assembly sequence.
7. The automatic three-dimensional modeling system of insulator hardware strings according to claim 5, wherein: the three-dimensional graphic design platform is a special three-dimensional digital design software platform for the power grid.
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