CN114357673A - Distribution network digital design method based on BIM technology - Google Patents

Abstract

The invention relates to a distribution network digital design method based on BIM technology, which comprises a parameterized model library, equipment arrangement, cable wiring, cable intelligent interface arrangement and digital plotting which are sequentially completed; the parameterized model library is formed by simultaneously inputting related design parameters and drawings; the equipment arrangement comprises a civil engineering model and an external line overhead line arrangement, wherein the civil engineering model is formed by automatically identifying professional graphic symbols in D-Grid software according to the existing distribution network drawing and combining basic design information, and the external line overhead line arrangement comprises path selection, pole tower arrangement, pole tower foundation design and line path generation; the cable wiring comprises selecting a cable path, designing a cable channel, selecting a cable type and generating the cable path; the intelligent cable interface arrangement is combined with cable wiring to complete the extension at the interface end; and the digital drawing is to output the construction drawing by one key according to the formed drawing combination rule and the template library. The distribution network design is realized by the D-Grid software based on the BIM technology, and the blank of the distribution network three-dimensional design field is filled.

Description

Distribution network digital design method based on BIM technology

Technical Field

The invention relates to the field of distribution network planning, in particular to a distribution network digital design method based on a BIM technology.

Background

In recent years, with the continuous development of the BIM (building information modeling) technology, the application of the BIM in the field of electrical power engineering is increasing, and the BIM technology not only changes the traditional engineering construction mode, but also influences the full life cycle management mode of the construction engineering in a profound way. The three-dimensional digital design is developed vigorously by national network companies, the three-dimensional design level of the power transmission and transformation project is improved continuously, and the functions of professional three-dimensional design software are improved continuously.

The D-Grid software formed based on the BIM technology is the existing professional digital design software of the electric power company in Shanghai city of China, is developed into a digital design platform with an industry leading level step by step through the design experience of professionals and the continuous perfect function of the design process of a large number of actual projects, and effectively improves the three-dimensional design level and efficiency of the Shanghai city company.

At present, three-dimensional digital design is relatively deep in the aspects of power transformation, lines and the like of a main network, but a large excavation space is formed in the aspect of distribution network design. The application of the field of distribution network power transformation digital design in China is nearly blank. Compared with the main network engineering, the distribution network engineering has the characteristics of large construction scale, multiple points, wide range, various equipment types, wide distribution range, large regional difference, various forms and the like. The traditional distribution network design is mainly based on two-dimensional software and a two-dimensional plane, and the environment of the area where the power grid is located cannot be visually displayed. Therefore, on the basis of a D-Grid three-dimensional design platform, the function development research of distribution network power transformation design is developed, a distribution network design module is combined with power transformation design software, and the professional digital design capability of the D-Grid software is endowed with more researches.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defects in the prior art are overcome, and a distribution network digital design method based on the BIM technology is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a distribution network digital design method based on BIM technology comprises a parameterized model library, equipment arrangement, cable wiring, cable intelligent interface arrangement and digital plotting which are sequentially completed;

the parameterized model library is formed by simultaneously inputting relevant design parameters and drawings;

the equipment arrangement comprises a civil engineering model and an external line overhead line arrangement, wherein the civil engineering model is introduced into D-Grid software according to the existing distribution network drawing, professional graphic symbols in the civil engineering model are automatically identified by the D-Grid software, and basic design information is combined to form the external line overhead line arrangement, wherein the external line overhead line arrangement comprises path selection points, tower arrangement positions, tower foundation design and line path generation;

the cable wiring comprises selecting a cable path, designing a cable channel, selecting a cable type and generating the cable path;

the intelligent cable interface arrangement is combined with cable wiring to complete extension at the interface end;

the digital map is formed by combining all drawings formed by the drawing with rules and a template library and outputting the construction drawings by one key.

A parameterized model library can be simply and conveniently formed on the basis of D-Grid software, rapid arrangement of equipment is achieved, positioning and placement of the equipment are rapidly completed by inputting key distance parameters, related models are generated by one key, cable wiring and interface arrangement are completed, a construction drawing can be output by one key, and digital design of a distribution network is rapidly and efficiently completed.

Further, the library of parameterized models comprises an electrical primary equipment material model, relevant property information of the model and an electrical floor plan of a typical station.

Further, the forming of the civil model comprises the following steps:

(1) importing the existing distribution network CAD drawing into D-Grid software, wherein the D-Grid software provides a layer mapping interface for checking the symbol type of a selected coating;

(2) and inputting necessary design parameters according to the layer symbol types, and rapidly generating various civil engineering type models in batches.

Further, the specific steps of the external overhead line arrangement are as follows:

(1) selecting points of the path, placing two-dimensional parameterized path points, recording related attribute information on point symbols, and providing a basis for subsequent digital design;

(2) arranging the poles and towers, setting parameters of the poles and towers according to the arranged two-dimensional point symbols, and quickly finishing the arrangement of the pole and tower models;

(3) designing a tower foundation, setting parameters of the foundation according to the arrangement position of a tower model, and quickly finishing the arrangement of the foundation model;

(4) and generating a line path, automatically generating an auxiliary path according to the two-dimensional point symbol, and simultaneously supporting manual modification.

Further, the cable routing comprises the following specific steps:

(1) selecting points of the path, placing two-dimensional parameterized path points, recording related attribute information on point symbols, and providing a basis for subsequent digital design;

(2) selecting a cable path, and selecting a path suitable for cable laying according to a drawn path line;

(3) designing a cable channel, setting sign parameters such as a cable working well and a cable duct bank, and quickly finishing the arrangement of a related model by combining a cable path;

(4) selecting the type of the cable, setting main parameters of the cable, and combining a cable path to quickly generate a cable model;

(5) and generating a cable path, automatically generating an auxiliary path according to the two-dimensional point symbol, and simultaneously supporting manual modification.

Furthermore, the cable intelligent interface arrangement is specifically a first cable work well outside the intelligent identification station, and the extension of the optical cable at the interface end is completed by combining the arranged cable channel.

Further, the specific steps of the digitized map are as follows:

(1) listing all design drawings of the network engineering, and determining drawing elements for each drawing;

(2) according to the three-dimensional design result, in combination with the electrical engineering drawing standard, listing the placement rules of size labels, text annotations and legend symbols;

(3) selecting the size and the placement position of a picture frame according to information such as a drawing range, drawing names and proportions to generate a marked-size three-dimensional model drawing;

(4) and (4) combining the rules and the template library, and outputting the construction drawing by one key.

The invention has the beneficial effects that: the distribution network design is realized by the D-Grid software based on the BIM technology, the blank in the field of distribution network three-dimensional design can be filled, the design function of the D-Grid software is enriched, and a foundation is laid for exploring the intercommunication of the main network and the distribution network design in the D-Grid software.

Detailed Description

The invention will now be further described with reference to preferred embodiments.

A distribution network digital design method based on BIM technology comprises a parameterized model library, equipment arrangement, cable wiring, cable intelligent interface arrangement and digital plotting which are sequentially completed; the parameterized model library is formed by related design parameters and drawings which are simultaneously input, and comprises an electrical primary equipment material model, related attribute information of the model and an electrical floor plan of a typical station; the equipment layout comprises a civil engineering model and an external line overhead line layout, wherein the civil engineering model is formed: importing the existing distribution network CAD drawing into D-Grid software, wherein the D-Grid software provides a layer mapping interface for checking the symbol type of a selected coating; inputting necessary design parameters according to the layer symbol classes, and rapidly generating civil engineering models of various classes in batches; the specific steps of the external overhead line arrangement are as follows: selecting points of the path, placing two-dimensional parameterized path points, recording related attribute information on point symbols, and providing a basis for subsequent digital design; arranging the poles and towers, setting parameters of the poles and towers according to the arranged two-dimensional point symbols, and quickly finishing the arrangement of the pole and tower models; designing a tower foundation, setting parameters of the foundation according to the arrangement position of a tower model, and quickly finishing the arrangement of the foundation model; generating a line path, automatically generating an auxiliary path according to the two-dimensional point symbol, and simultaneously supporting manual modification; the cable wiring method comprises the following specific steps: selecting points of the path, placing two-dimensional parameterized path points, recording related attribute information on point symbols, and providing a basis for subsequent digital design; selecting a cable path, and selecting a path suitable for cable laying according to a drawn path line; designing a cable channel, setting sign parameters such as a cable working well and a cable duct bank, and quickly finishing the arrangement of a related model by combining a cable path; selecting the type of the cable, setting main parameters of the cable, and combining a cable path to quickly generate a cable model; generating a cable path, automatically generating an auxiliary path according to the two-dimensional point symbol, and simultaneously supporting manual modification; the cable intelligent interface arrangement is specifically a first cable work well outside the intelligent identification station, and the extension of an optical cable at the end part of the interface is completed by combining the arranged cable channel; the specific steps of the digital map are as follows: listing all design drawings of the network engineering, and determining drawing elements for each drawing; according to the three-dimensional design result, in combination with the electrical engineering drawing standard, listing the placement rules of size labels, text annotations and legend symbols; selecting the size and the placement position of a picture frame according to information such as a drawing range, drawing names and proportions to generate a marked-size three-dimensional model drawing; and (4) combining the rules and the template library, and outputting the construction drawing by one key.

The substation wiring diagram is a specific regular graph, and can be drawn by adopting SVG (Scalable Vector Graphics) technology (Scalable Vector Graphics), and basically consists of a plurality of fixed electrical elements, wherein related attribute information is recorded behind each electrical element, and the whole wiring diagram records related information among the elements and stores the information as a file in a format; and then the file is imported into distribution network three-dimensional design software, the software automatically acquires the incidence relation, reasonably organizes the graphic libraries in the distribution network power transformation three-dimensional software together, and quickly realizes the generation of a primary wiring diagram in the distribution network three-dimensional software, thereby facilitating the subsequent digital design application.

And after the path design is finished, selecting the section of the conductor, and lofting to finish the cable solid model. According to the cable model that lays the completion, through the mode of absorption formula, the gold utensil model is arranged to quick accuracy, reduces model positioning adjustment time, improves three-dimensional design efficiency.

In addition, the lighting power is arranged in the cable wiring, lighting power equipment can be rapidly arranged, connecting wires are designed, and the configuration design of a lighting power system diagram is completed.

After the design is finished, the D-Grid software can be extracted through the three-dimensional design model, the engineering quantity of the model is summarized and sorted according to the statistics of relevant attribute parameters on the three-dimensional design model, relevant data input at a specific stage of the three-dimensional design are counted through relevant data statistics, and the final engineering quantity is formed by combining the engineering quantity of the model and the engineering quantity of the data. Meanwhile, project budget and capital plans can be effectively realized, the established three-dimensional design model can be combined with time dimension, and time is defined according to areas, equipment and single buildings. The project cost condition of each month or even each day can be quickly obtained by defining the plan starting time and the plan finishing time and combining the project cost; and finally, by combining with contract conditions, a capital plan of the whole project can be specified, and effective and accurate control is realized.

The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (7)

1. A distribution network digital design method based on BIM technology is characterized in that: the method comprises the steps of sequentially completing a parameterized model library, equipment arrangement, cable wiring, cable intelligent interface arrangement and digital plotting;

the parameterized model library is formed by simultaneously inputting relevant design parameters and drawings;

the equipment arrangement comprises a civil engineering model and an external line overhead line arrangement, wherein the civil engineering model is introduced into D-Grid software according to the existing distribution network drawing, professional graphic symbols in the civil engineering model are automatically identified by the D-Grid software, and basic design information is combined to form the external line overhead line arrangement, wherein the external line overhead line arrangement comprises path selection points, tower arrangement positions, tower foundation design and line path generation;

the cable wiring comprises selecting a cable path, designing a cable channel, selecting a cable type and generating the cable path;

the intelligent cable interface arrangement is combined with cable wiring to complete extension at the interface end;

the digital map is formed by combining all drawings formed by the drawing with rules and a template library and outputting the construction drawings by one key.

2. The distribution network digital design method based on the BIM technology as claimed in claim 1, wherein: the library of parameterized models includes an electrical primary equipment material model, relevant attribute information of the model, and an electrical floor plan of a typical station.

3. The distribution network digital design method based on the BIM technology as claimed in claim 1, wherein: the formation of the civil model comprises the following steps:

(1) importing the existing distribution network CAD drawing into D-Grid software, wherein the D-Grid software provides a layer mapping interface for checking the symbol type of a selected coating;

(2) and inputting necessary design parameters according to the layer symbol types, and rapidly generating various civil engineering type models in batches.

4. The distribution network digital design method based on the BIM technology as claimed in claim 1, wherein: the external overhead line arrangement comprises the following specific steps:

(1) selecting points of the path, placing two-dimensional parameterized path points, recording related attribute information on point symbols, and providing a basis for subsequent digital design;

(2) arranging the poles and towers, setting parameters of the poles and towers according to the arranged two-dimensional point symbols, and quickly finishing the arrangement of the pole and tower models;

(3) designing a tower foundation, setting parameters of the foundation according to the arrangement position of a tower model, and quickly finishing the arrangement of the foundation model;

(4) and generating a line path, automatically generating an auxiliary path according to the two-dimensional point symbol, and simultaneously supporting manual modification.

5. The distribution network digital design method based on the BIM technology as claimed in claim 1, wherein: the cable wiring method comprises the following specific steps:

(1) selecting points of the path, placing two-dimensional parameterized path points, recording related attribute information on point symbols, and providing a basis for subsequent digital design;

(2) selecting a cable path, and selecting a path suitable for cable laying according to a drawn path line;

(3) designing a cable channel, setting sign parameters such as a cable working well and a cable duct bank, and quickly finishing the arrangement of a related model by combining a cable path;

(4) selecting the type of the cable, setting main parameters of the cable, and combining a cable path to quickly generate a cable model;

(5) and generating a cable path, automatically generating an auxiliary path according to the two-dimensional point symbol, and simultaneously supporting manual modification.

6. The distribution network digital design method based on the BIM technology as claimed in claim 5, wherein: the cable intelligent interface arrangement is specifically a first cable work well outside the intelligent identification station, and the extension of the optical cable at the end part of the interface is completed by combining the arranged cable channel.

7. The distribution network digital design method based on the BIM technology as claimed in claim 1, wherein: the specific steps of the digital map are as follows:

(1) listing all design drawings of the network engineering, and determining drawing elements for each drawing;

(2) according to the three-dimensional design result, in combination with the electrical engineering drawing standard, listing the placement rules of size labels, text annotations and legend symbols;

(3) selecting the size and the placement position of a picture frame according to information such as a drawing range, drawing names and proportions to generate a marked-size three-dimensional model drawing;

(4) and (4) combining the rules and the template library, and outputting the construction drawing by one key.