CN113762724A - Method for collaborative design and management of power transmission and transformation project based on BIM technology - Google Patents
Method for collaborative design and management of power transmission and transformation project based on BIM technology Download PDFInfo
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Abstract
The invention relates to a method for collaborative design and management of power transmission and transformation projects based on a BIM technology, which comprises the following steps: step 1: building a BIM (building information modeling) model of the power transmission and transformation project according to the three-dimensional collaborative design standard of the power transmission and transformation project; step 2: carrying out structured conversion on the BIM according to a digital model management mode of a six-level system; and step 3: the effective management and application of the model are realized through six-level system management software developed according to the management mode and characteristics of the six-level system; and 4, step 4: and carrying out resource improvement by combining a resource improvement tool according to the structured BIM model, and realizing a collaborative process.
Description
Technical Field
The invention relates to the field of design and management of power transmission and transformation projects, in particular to a method for collaborative design and management of power transmission and transformation projects based on a BIM (building information modeling) technology.
Background
In recent years, with the acceleration of the industrialization process, the power industry has been rapidly developed, the computer aided design adopted by the domestic power design industry has been over 20 years old, so the traditional design mode has been operated for many years, although the requirement of the engineering construction can be met, the traditional design mode still has many problems, in addition, most of the traditional engineering construction period information takes a paper medium as a carrier, the traditional engineering construction period information is handed over to an operation unit in the form of a drawing and a document, various information is dispersed in different drawings, fault processing in the operation stage is often delayed due to time-consuming searching of correct documents and accurate information, and as the information is not related, the same information can not be verified mutually, the same information repeatedly appears in different data sources, and the case of mutual contradiction also occurs, therefore, the concept of the engineering project ' digital design ' is due to the fact that the digital design ' is carried out, the electric network automation technology is one of six key technical fields for improving the power grid operation management control level, the digital design technology is one of five main research subjects of the power grid automation technology, the power transmission line engineering is an important component of a power grid, the establishment and the design application of a three-dimensional model are imperative, along with the development of the intelligent power grid technology and the increasing fine requirements of the power grid information management, the competition of the power grid design market is intensified day by day, the urgent requirements adopt a more advanced technology to solve a plurality of related factors involved in power grid planning, design, construction and operation, and improve the level and the service quality of the power grid design, so the development of the power transmission line BIM auxiliary design system has important significance, most of the existing power transmission line engineering models are single line models, are greatly different from the actual situation, and the development of the power grid engineering planning design based on the three-dimensional information technology is not only a trend of the power system development, but also a necessity of the era progress.
The power transmission line engineering design based on the three-dimensional BIM information model also provides a good technical cooperation platform, changes the traditional work coordination mode of each professional designer, construction technicians and construction managers, and owners, manufacturers and construction enterprises can work cooperatively based on the same transformer substation model with three-dimensional parameters, and in the current design process, a series of problems of difficult version management, limited file acquisition, lack of authority management and the like exist, and only by solving the problems, the value and significance of the BIM design can be really reflected, the design and management are the initial stage of the whole power transmission and transformation project, the most important stage is also the initial stage, whether the design is reasonable or not, the overall cost, the later construction and progress, the engineering quality and the later operation difficulty of the project are directly related, and the power transmission and transformation project design is a multi-professional cooperative design process, if no reasonable and intuitive design and management scheme exists, the construction and operation period will face many problems such as process conflict, rework, incomplete data, difficult maintenance and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for collaborative design and management of power transmission and transformation projects based on a BIM technology.
The purpose of the invention can be realized by the following technical scheme:
a method for collaborative design and management of power transmission and transformation projects based on a BIM technology comprises the following steps:
step 1: building a BIM (building information modeling) model of the power transmission and transformation project according to the three-dimensional collaborative design standard of the power transmission and transformation project;
step 2: carrying out structured conversion on the BIM according to a digital model management mode of a six-level system;
and step 3: the effective management and application of the model are realized through six-level system management software developed according to the management mode and characteristics of the six-level system;
and 4, step 4: and carrying out resource improvement by combining a resource improvement tool according to the structured BIM model, thereby realizing a collaborative process.
In the step 1, the three-dimensional collaborative design standard of the power transmission and transformation project comprises a delivery file standard and a modeling standard, wherein the delivery file comprises general provisions of the delivery file, the content and format of the delivery file and a naming rule of the delivery file; the modeling standard comprises a model delivery standard of a substation part, a model delivery standard of a line part and an equipment model delivery standard.
The general provisions of the delivery file include the unification of unit and measurement systems of all professional models, BMI model basis and system division principle.
The BMI model comprises an initial modeling data source, a model updating data source and a model information and attribute data source, wherein the initial modeling data source comprises construction requirements, equipment manufacturer samples, relevant standards, specifications and other specific requirements, the model updating data source comprises design change requirement design files, relevant standards, specifications and other specific requirements, and the model information and attribute data source comprises design parameters, calculation books, equipment manufacturer samples, project construction information, operation management requirements and other specific requirements;
the system division principle is as follows: the power transmission and transformation project is divided into a transformer substation project, an overhead line project and a cable line project according to project types; the BIM model performs system division according to the major, and the project system division modes of different types are different.
The content of the delivery file comprises an original BIM model, an IFC file, a two-dimensional drawing, a BIM model application file and necessary office documents which adopt a uniform format and version, the delivery file is used for carrying out digital delivery in a project, the result of the digital delivery adopts a standard folder structure, the content of each delivery file is named according to a delivery file naming rule and is stored in a central network server so as to manage and integrate the model and the data related to the digital delivery.
The modeling standards comprise a model delivery standard of a transformer substation part, a model delivery standard of a line part and an equipment model delivery standard, and the model delivery standard of the transformer substation part comprises a transformer substation engineering modeling rule, a naming rule of a transformer substation engineering model, a project origin, setting of a base point and a measuring point, a project attribute information setting standard, a system attribute standard and a space setting standard.
The project attribute information and the system attribute standard are respectively put into a project attribute agent model and a system attribute agent model, the project attribute agent model is used as a centralized storage point of project attributes, and the system attribute agent model is used as a centralized storage point of system attributes and is respectively placed in the center and the left position of a project measuring point.
The six-level system is divided into six levels: the first level is the project type; the second level is a large professional classification in the project; the third level is professional subdivision; the fourth level is specific speciality; the sixth level is a description and classification system, the structure of the engineering project is subdivided according to the characteristics of different specialties of different projects, and all components in the BIM model are combined into a corresponding system according to the provision of a transfer standard, so that the whole engineering project is described.
The background of the six-level system management software is driven by the hierarchical structure data of the power transmission and transformation project, the hierarchical structure data is displayed at the front end, and only one-time equipment specialty in the model is displayed after the first level is determined to be selected; line engineering increases the line number dimension on six grades of management system's basis, increases multistage searching screening condition, carries out more accurate location and management to the model.
In the step 4, the structured BMI model is checked and split, the model part needing to be subjected to resource improvement is quickly positioned and screened, and resource improvement and collection are carried out through a resource improvement tool, so that the resource improvement work according to different specialties is realized, and the cooperative process is further realized.
Compared with the prior art, the invention has the following advantages:
according to the invention, based on BIM collaborative design and management theory, various problems in the design of power transmission and transformation engineering are solved, the design quality and efficiency are improved, meanwhile, the engineering construction cost is saved, the construction reworking times are reduced, and the operation difficulty is reduced; all components in the BIM model are combined into corresponding systems according to the rules of handover standards, and a certain system can be quickly positioned by combining a system management tool, and one or more systems can be classified and checked, so that the method is very convenient and quick, and the management of the model is more standardized; model data designed according to the six-level system standard can make up for the defects of a traditional collaborative mode, a model part to be funded can be screened and split according to the standard of structured data, and then partial models are funded and collected, so that the funding process according to different specialties is realized, and the collaborative process is realized.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is an exemplary diagram of a six-level system of a substation project.
Fig. 3 is a four-level system architecture diagram of a substation project.
Fig. 4 is a diagram of all primary equipment of the substation model.
FIG. 5 is a diagram of six-level system management software.
Fig. 6 shows the result of the six-stage system software operation.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
The invention provides a method for collaborative design and management of power transmission and transformation projects based on a BIM technology, wherein the three-dimensional collaborative design of the power transmission and transformation projects needs to have a unified standard, and the unified definition is made on the aspects of naming, splitting, color matching, line type, unit, coordinate setting, model information requirement, model precision and the like of a model at the beginning of the design, so that a clear and unified standard is ensured to be established for the model in the design stage.
BIM model basis: the data sources for the initial modeling include construction requirements, equipment manufacturer samples, relevant standards, specifications, and other specific requirements; the data source of the model update comprises design files such as design change requirements, related standards, specifications and other specific requirements; data sources for model information and attributes include: design parameters and computer books, equipment manufacturer samples, project construction information, operational management requirements, and other specific requirements.
The power grid engineering is divided into substation engineering, overhead line engineering and cable line engineering according to project types, the BIM model is subjected to systematic division according to the major, and project systems of different types are divided into an I-level system, a II-level system, a III-level system and an IV-level system in different modes.
The content of the delivery file includes:
engineering original model: the method comprises the following steps of (1) generating a substation one-station one-mode and a line part one-section one-mode original model of equipment: a digitized file for device production manufacturing; IFC model file: the content of the IFC model file converted from the original file is consistent with that of the original file; and a GIS environment model: a geographic environment model according with GIS information construction and digital file delivery standard; two-dimensional drawings: a two-dimensional drawing consistent with the BIM model; other document files: technical files, work report files, design change records and the like, and delivery files generated based on BIM should adopt uniform formats and versions.
The delivery file naming rules include naming rules that follow uniqueness, engineering project delivery folder naming rules, equipment delivery file naming rules, BIM file naming rules, IFC file naming rules, and other document naming rules, as follows:
project delivery folder naming rules: the digital delivery result is to adopt a standard folder structure and store the standard folder structure in a central network server, a basic folder structure template is established for managing and integrating models and data related to digital delivery, the design part of the digital delivery result of the power grid engineering is to be stored according to the folder template, and the digital model folder comprises two parts of contents: a power transformation engineering and line engineering model; the 'each professional completion drawing' folder stores completion drawing files; storing geographic information data of relevant parts in a geographic information folder; the "description file" contains project information files and topical reports relating to the project.
Device delivery file naming rules: the device delivery file is to deliver the original model, the two-dimensional drawing and the related document, wherein the original model of the device is to be delivered in the format of rvt or rfa; the two-dimensional drawing comprises drawings such as a horizontal and vertical section of equipment design and a detailed member drawing; the related documents comprise related supplementary description documents such as device pictures, device performance parameter documents and the like.
BIM file naming rules: the BIM file comprises an original BIM file and a BIM application file, the name of the transformer substation engineering model is composed of a voltage grade, an engineering name, an engineering number and a version number, wherein the voltage grade is composed of Arabic numerals and English character units in short writing; the project name is composed of Chinese character project names; the project number is a project platform account number (namely a project ERP management account number), the design project number can be adopted in the project design stage when a model is named, and the design project number is converted into the project platform account number in the process of digital delivery after the project is completed; the version number is increased by two Arabic numbers after the capital V of English letters, and the number is increased according to the modification times of the digital delivery finished products. The format is as follows:
voltage class _ project name _ project number _ version number
Example (c): 220 kV-China ink substation engineering _ S20170806_ V01
The cable line engineering uses specification, design number and engineering number as common characteristics, and specifies the specific naming principle of the electrical equipment components as follows:
the civil engineering of the cable line adopts: category keyword code _ Specification _ design number _ engineering number
The cable line electrical engineering adopts: category keyword code _ design number _ project number
The overhead line engineering takes design numbers, classification codes and engineering numbers as common characteristics, and specific naming principles of electrical equipment members are specified as follows:
civil engineering of overhead lines: category keyword code _ design number _ classification code number _ project number;
overhead line electrical engineering: category keyword code _ specification _ design number _ project number.
IFC file naming rule: the IFC file naming format should be consistent with the original BIM model rules.
Other document naming rules: the naming rules of other documents should be named according to the document category and the contained content, selecting the similar rules to the above naming rules to keep the uniformity of the project, the document naming should have English, number and _ \.
The establishment of the power grid engineering digital model is to follow the model delivery standard of a transformer substation part, the delivery standard of a road part and the delivery standard of an equipment model.
Model delivery criteria for substation parts:
1) the method comprises the following steps that real modeling is finished for all contents in the engineering design range of the transformer substation, and modeling is given for original explanatory contents and design contents listed in a material list but not expressed by graphs;
2) the transformer substation part delivers in a mode that one project is a finished product model file, and design models are integrated in each specialty and combined into one project file for delivery;
3) splitting the transformer substation cross-layer equipment: cutting according to the elevation of each building, disconnecting the cross-floor of the equipment connecting pipeline, not cutting the cross-floor of the equipment body, and cutting into the floor according to the elevation of the foundation;
4) the transformer substation cross-layer pipeline segmentation: cutting according to the elevation of each layer of building;
5) dividing building floors of the transformer substation: and cutting according to the building elevation of each layer, and cutting the staggered layers according to the building elevation of the floor. The fabricated building is not divided according to the real module size, and all the walls, beams, plates and columns from the height of the bottom standard of the floor beam are delivered according to the floor combination model;
6) tiny pipelines such as power, illumination, communication, technical defense and the like can be modeled according to a moderate principle, and the comprehensive pipeline and the secondary cable are suitable for modeling.
Delivery criteria for the model of the line section: the method of integral modeling and split delivery is adopted, namely, a project is designed in a file with the same origin coordinate, the coordinate of a measuring point at the head end is determined, and in the delivery process, the model is split and derived with the original project coordinate point, so that the later-stage splicing is convenient to complete.
1) Each file name should be consistent with the model name. The unmodified structure should not modify its original file name;
2) overhead line engineering: the overhead line model is split and delivered according to a model file of a strain section (the same as the suspension line), namely, a model of each conductor and ground wire between the strain sections comprises a tower, a rod and accessories of the rod is a delivery file unit (the first section of the overhead line can comprise two sections of conductors and ground wires);
3) cable engineering: the cable line model is delivered separately according to the working well, the pipe arrangement, the tunnel and the cable section. Namely a work well (containing cable accessories) is a delivery file unit; a section of calandria (containing cable accessories) and a section of tunnel (containing section of pipe piece and cable accessories) are taken as a delivery file unit; a section of cable (including cable connection) is a delivery file unit; and (5) delivering. The civil engineering part of the cable project takes a transformer substation enclosure as a starting point and a finishing point; the electric engineering cable and the cable connection take an equipment cable terminal as a starting point and an end point;
4) tiny pipelines such as power, illumination, communication, technical defense and the like can be modeled according to a moderate principle, and the comprehensive pipeline and the secondary cable are suitable for modeling.
Delivery criteria for equipment models: the single equipment model is delivered in a mode of one equipment model; the combined equipment, the complete equipment and the integrated equipment are separately built according to the attribute type in the standard equipment classification as the minimum unit and delivered after being combined in the same model file.
The model delivery standard of the transformer substation part comprises a transformer substation modeling rule, a naming rule of a transformer substation engineering model, a project origin, a base point and a measuring point, an engineering attribute information setting standard, a system attribute standard and a space setting standard, and is specifically as follows:
the modeling rule of the transformer substation is as follows:
1) the content in the engineering design range of the transformer substation is required to complete real modeling, and the modeling is required to be performed on the original explanatory content and the design content listed in the material inventory but not expressed by a graph.
2) And the transformer substation part delivers in a mode that one project is a finished product model file, and the design model is integrated in each specialty and combined into one project file for delivery.
3) And (3) cutting off the cross-layer equipment of the transformer substation: the equipment connecting pipeline is disconnected according to the elevation of each building layer in a cross-layer mode, the equipment body does not cut off in a cross-layer mode, and the equipment body is drawn into the building layer according to the elevation of the foundation.
4) And (3) cutting off the cross-layer pipeline of the transformer substation: cutting according to the elevation of each building.
5) And (3) cutting off the building floor of the transformer substation: cutting off according to the elevation of each floor building, and cutting off the staggered floor according to the elevation of the floor building. The fabricated building is not cut off according to the real module size, and all the walls, beams, plates and columns from the height of the bottom of the beam of the floor are delivered after being combined into a model according to the floor.
6) Small pipelines such as power, illumination, communication, technical defense and the like are suitable for modeling according to a moderate principle, and comprehensive pipelines and secondary cables are suitable for modeling.
7) In the transformation projects of new construction, reconstruction and extension, the local side and the opposite side of the electrical part are modeled, and the civil engineering parts of the local side and the opposite side are modeled.
Naming rules of the transformer substation engineering model: the system comprises a voltage grade, an engineering name, an engineering number and a version number, wherein the voltage grade is formed by abbreviating Arabic numerals and English character units; the project name is composed of Chinese character project names; the project serial number is a project platform account number (namely a project ERP management account number), the design project serial number can be adopted in the project design stage when a model is named, and the design project serial number is converted into the project platform account number in the process of digital delivery after the project is completed; the version number is increased by two Arabic numbers after the capital V of English letters, and the modification times of the digital delivery finished product are increased, and the format is as follows: voltage class _ project name _ project number _ version number.
Setting of an engineering origin, a base point and a measuring point: the project origin, namely the graph origin of the model file, is the initial point of the x, y and z axes of the three-dimensional design software, and the initial value of the three axes is 0; the project base point is a reference coordinate point of the models among all the specialties, the design is self-determined, the setting of the base point of the same project has uniqueness, and the mutual position relationship among all the specialties is set according to the reference project base point; the project measuring point is a way for establishing a relation between a project model and actual measuring data in a world coordinate system, and the project measuring point in the standard is placed at a site elevation position of a central point of a gate of a main access of a transformer substation. The relative coordinate values of the project measuring points and the three axes (x, y, z) of the graph origin should be filled in the engineering attributes of the proxy model.
Setting engineering attribute information: the project attribute information is uniformly put into a cube proxy model of 100 × 100mm, 1 project attribute proxy model is adopted for one project, the proxy model is used as a centralized storage point of the project attributes and is placed in the center of a project measuring point, and the proxy model is named as 'ISP _ project number', and comprises the following contents:
TABLE 1 engineering Attribute proxy model
System attribute criteria: the system attributes are uniformly put into a 100 × 100mm cube proxy model, the proxy model is named as 'SYS', one project is limited to adopt 1 system attribute proxy model, the proxy model is used as a centralized storage point of the system attributes and is placed near the left of a project measuring point, the system attribute names of the substation electrical engineering are stored in a mode that a substation IV-level system is named as 'PEE', and the parameter content comprises explanatory parameters and content of the system; the system attribute names of the transformer substation civil engineering are stored in a mode that a transformer substation IV-level system such as ABG is named, parameter contents comprise explanatory parameters and contents of the system, and the system attributes of the transformer substation meet the following requirements:
TABLE 2 System Properties of substation Electrical engineering
The system attributes of the civil engineering of the transformer substation meet the following requirements:
TABLE 3 System Properties of the Electrical engineering of substations
The rooms/spaces in the substation should meet the parameter setting requirements of table 4:
table 4 room/space parameter setting requirements
The room name should be consistent with the standard name of table 5:
TABLE 5 Room Standard names
| Serial number | Space name | Serial | Space name | |
| 1 | Main transformer chamber | 21 | Staircase | |
| 2 | Main transformer radiator chamber | 22 | Entrance hall | |
| 3 | Distribution equipment room (each voltage class) | 23 | Corridor (W) | |
| 4 | GIS room (each voltage class) | 24 | Fire pump room | |
| 5 | Station transformer room | 25 | Fire controlSystem room | |
| 6 | Reactor chamber | 26 | Other rooms | |
| 7 | Reactor radiator chamber | 27 | Main transformer oil pit |
The BIM model comprises a plurality of geometric models and attributes, the models are subjected to structural transformation,according to the characteristics of power transmission and transformation projects Point establishes reasonable data standards and data structuresAccording to the requirements of a digital delivery standard and the characteristics of the power transmission and transformation project, a digital model management mode based on a six-level system is provided, the six-level system is a management system designed for the power transmission and transformation project and is divided into six levels, the management of the model is realized through the levels, each category of each level has a corresponding professional code, the whole model realizes the search and management of a BIM model through type codes, and the structure is subdivided according to the characteristics of different specialties of different projects, so that the whole project is described, and the system division of the substation project shown in figure 2 is realized:
the first level is an engineering type, such as a power transformation engineering, an overhead line engineering and a cable line engineering;
the second level is a large professional classification in engineering, such as electrical engineering, civil engineering;
the third level is professional subdivision, such as primary electrical, secondary electrical, heating ventilation, water supply and drainage and the like;
the fourth five levels are specific specialties, some specialties only go deep into the fourth level and some specialties go into the fifth level according to the difference of the specialties;
the sixth level is a description and classification system, such as the type of transformer.
In a management mode based on a six-level system, each component belongs to a four-level system or a five-level system, the attribute can be embodied in modeling, in application, a certain system can be selected to quickly locate all components belonging to the system, due to the existence of hierarchical relationship and structural relationship, the components of all subsystems belonging to the level can be selected by selecting the previous hierarchy, efficient management is performed, the system to be checked can be quickly located from an integral BIM model, the component to be checked is quickly selected, the important significance of the work is achieved, and an important basis is provided for checking the BIM model.
As shown in fig. 3, the four-level system architecture of the substation engineering combines all components in the BIM model into corresponding systems according to the rules of the handover standards, and combines with a system management tool, so that a certain system can be quickly located, and one or more systems can be checked in a classified manner, which is very convenient and fast, and the management of the model is more standardized.
All primary devices of a certain substation model shown in fig. 4 are combined with a system management tool according to classification standards, so that designers and examiners can quickly select a certain subentry and quickly locate and view the subentry.
As shown in fig. 5 and 6, the six-level system management software is developed according to the management mode and characteristics of the six-level system. The management software background is driven by power transmission and transformation project hierarchical structure data, a hierarchical data form is displayed at the front end, a specialty needing to be checked can be selected in a first-level and first-level mode, after the selection is determined, only one-time equipment specialty in the model is displayed, the line engineering is different from the substation engineering, and besides a six-level system, project management personnel pay attention to the route code and the serial number of the component, so that the dimension of line numbering is increased on the basis of the six-level management system in the line engineering, multi-level searching and screening conditions are increased, and the model is positioned and managed more accurately.
The invention carries out the capital improvement work on the basis of the classification standard and the management mode of a six-level system, the selection of a three-dimensional design cooperative mode needs to be combined with the characteristics of a project, the most suitable design mode is considered, the design of the power transmission and transformation project is divided according to primary equipment, secondary equipment, auxiliary control equipment and the like, the model part to be subjected to capital improvement is screened and split, and then partial models are subjected to capital improvement and capital collection, so that the cooperative process is realized according to the capital improvement process of different specialties, for example, a primary electrical designer can pack a primary electrical part in the model and only provides a model of the primary electrical part, but not the traditional cooperative mode, all modules need to be subjected to capital improvement and then integrated in a link or work set mode.
The investment improvement work screens and splits the model part to be invested by utilizing the standard of the structured data, and then partial models are invested and collected, so that investment improvement processes according to different specialties are realized, and a collaborative process is realized. For example, an electrical primary designer can pack an electrical primary part in a model, only provide the model of the electrical primary part, and not like a traditional cooperation mode, all modules need to be referred and integrated in a link or working set mode.
Developing a cooperative tool according to a model based on a data structure, wherein the tool mainly comprises two parts of funding and funding:
and (3) a resource improving part: the project model has the function of funding, and the model is extracted into a funding file according to the selected volume information;
and (3) a fund collection part: and selecting a contribution file, importing the model in the contribution file into a project, and selecting a volume model for comparing the difference between the contribution model and the current project model.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for collaborative design and management of power transmission and transformation projects based on a BIM technology is characterized by comprising the following steps:
step 1: building a BIM (building information modeling) model of the power transmission and transformation project according to the three-dimensional collaborative design standard of the power transmission and transformation project;
step 2: carrying out structured conversion on the BIM according to a digital model management mode of a six-level system;
and step 3: the effective management and application of the model are realized through six-level system management software developed according to the management mode and characteristics of the six-level system;
and 4, step 4: and carrying out resource improvement by combining a resource improvement tool according to the structured BIM model, thereby realizing a collaborative process.
2. The BIM technology-based collaborative design and management power transmission and transformation project method according to claim 1, wherein in the step 1, the three-dimensional collaborative design standard of the power transmission and transformation project comprises a delivery file standard and a modeling standard, and the delivery file comprises a general specification of the delivery file, a content and a format of the delivery file and a naming rule of the delivery file; the modeling standard comprises a model delivery standard of a substation part, a model delivery standard of a line part and an equipment model delivery standard.
3. The method of claim 2, wherein the general specification of the delivery document includes unity of unity and measure system, BMI model basis and system partitioning principles.
4. The method of claim 3, wherein the BMI model is based on data sources including initial modeling data sources including construction requirements, equipment manufacturer samples, associated standards, specifications and other specific requirements, model update data sources including design change requirement design files, associated standards, specifications and other specific requirements, model information and attribute data sources including design parameters, computer books, equipment manufacturer samples, project construction information, operational management requirements and other specific requirements;
the system division principle is as follows: the power transmission and transformation project is divided into a transformer substation project, an overhead line project and a cable line project according to project types; the BIM model performs system division according to the major, and the project system division modes of different types are different.
5. The method as claimed in claim 3, wherein the content of the delivery file includes original BIM model, IFC file, two-dimensional drawing, BIM model application file and necessary office documents in unified format and version, the delivery file is used for digital delivery in the project, the digital delivery result adopts standard folder structure, the content of each delivery file is named according to the naming rule of the delivery file and stored in the central network server, so as to manage the model and data related to the integrated digital delivery.
6. The method of claim 2, wherein the modeling criteria include a substation portion model delivery criteria, a line portion model delivery criteria, and an equipment model delivery criteria, and the substation portion model delivery criteria include a substation engineering modeling rule, a naming rule of a substation engineering model, a project origin, settings of a base point and a measurement point, an engineering attribute information setting criteria, a system attribute criteria, and a space setting criteria.
7. The method according to claim 2, wherein the project attribute information and the system attribute standard are respectively placed in a project attribute agent model and a system attribute agent model, the project attribute agent model is used as a centralized storage point of project attributes, and the system attribute agent model is used as a centralized storage point of system attributes and is respectively placed in the center and the left position of a project measurement point.
8. The method for collaborative design and management of electric transmission and transformation projects based on the BIM technology as claimed in claim 1, wherein in the step 2, the six-level system is divided into six levels: the first level is the project type; the second level is a large professional classification in the project; the third level is professional subdivision; the fourth level is specific speciality; the sixth level is a description and classification system, the structure of the engineering project is subdivided according to the characteristics of different specialties of different projects, and all components in the BIM model are combined into a corresponding system according to the provision of a transfer standard, so that the whole engineering project is described.
9. The method for collaborative design and management of electric transmission and transformation projects based on the BIM technology as claimed in claim 1, wherein in step 3, the background of the six-level system management software is driven by the hierarchical structure data of the electric transmission and transformation projects, the front end of the six-level system management software is displayed in a hierarchical data form, and only one equipment specialty in the model is displayed after the selection of one level is determined; line engineering increases the line number dimension on six grades of management system's basis, increases multistage searching screening condition, carries out more accurate location and management to the model.
10. The method for collaborative design and management of power transmission and transformation projects based on the BIM technology as claimed in claim 1, wherein in step 4, the structured BMI model is checked and split, the model part needing to be funded is quickly positioned and screened, and funding and collection are performed through a funding tool, so that funding work according to different specialties is realized, and a collaborative process is further realized.
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