Digital design system for civil engineering of transformer substation based on domestic BIM (Building Information Modeling) platform

Abstract

The invention provides a transformer substation civil engineering digital design system based on a domestic BIM platform, and the system comprises a building design module which is used for constructing a building professional model through employing a building component library; the general drawing design module is used for generating a general drawing professional model based on a parametric modeling technology; the water supply and drainage system digital design module is used for generating a water supply and drainage pipeline design scheme according to the water supply and drainage professional component library and determining a water supply and drainage professional model; the heating and ventilation system digital design module is used for determining the fan equipment model and the air pipe diameter according to the professional building model and determining a professional heating and ventilation model; and the multi-specialty cooperation module is used for carrying out online synchronous modification and real-time updating processing on the building specialty model, the general drawing specialty model, the water supply and drainage specialty model and the heating and ventilation specialty model. According to the method, building, general drawing, water supply and drainage and heating and ventilation multi-specialty collaborative design is achieved based on domestic BIM platform construction and through the parameterized modeling technology, and the design efficiency and the achievement standardization are improved.

Description

Technical Field

[0001] This application relates to the field of power engineering design technology, specifically to a digital design system for substation civil engineering based on a domestic BIM platform. Background Technology

[0002] The current design of substation civil engineering projects suffers from significant deficiencies: First, professional collaboration is inefficient. Architectural, site planning, and electromechanical disciplines use independent design tools with inconsistent data formats, making it difficult to synchronize design changes in real time and leading to frequent cross-disciplinary conflicts. Second, manual operation is costly and lacks standardization. Site planning professionals must manually draw walls and roads, adjust terrain, and follow cumbersome procedures; architectural room layouts rely on experience, and component parameters require repeated modifications; water supply and drainage, HVAC systems suffer from manual pipe connections, asynchronous sleeve openings, complex duct slope calculations, and material lists requiring manual compilation. Furthermore, different design institutes use different drawing templates, resulting in a disconnect between technical and economic indicators and the model, and inconsistent deliverable formats. Third, domestic technological support is weak. There is a lack of 3D design tools compatible with domestic operating systems and databases. Existing foreign BIM platforms do not deeply integrate power industry standards and pose data security risks, necessitating an independent and controllable digital design solution.

[0003] Therefore, it is essential to develop a multi-disciplinary collaborative digital design system for substation civil engineering based on a domestic BIM platform. Summary of the Invention

[0004] To address one of the shortcomings of existing technologies, the purpose of this application is to provide a digital design system for substation civil engineering based on a domestically developed BIM platform.

[0005] The first aspect of this application provides a digital design system for substation civil engineering based on a domestic BIM platform, comprising:

[0006] The architectural design module is used to determine the architectural professional model by using a parametrically driven, configurable architectural component library for parametric component driving, calling, and integrated delivery.

[0007] The general layout design module is used to generate the general layout plan elements of the substation and the standardized drawings of the substation based on parametric modeling technology, and to determine the professional model of the general layout.

[0008] The digital design module for water supply and drainage systems is used to generate water supply and drainage pipeline design schemes associated with the building professional model based on the water supply and drainage professional component library, and to determine the water supply and drainage professional model.

[0009] The HVAC system digital design module is used to determine the fan equipment model and duct diameter based on the building professional model, and to determine the HVAC professional model.

[0010] The multi-disciplinary collaboration module is used to perform online synchronous modification and real-time update of the architectural model, the site plan model, the water supply and drainage model, and the HVAC model in a preset multi-disciplinary collaboration environment.

[0011] Optionally, the architectural design module includes:

[0012] The first parameterized driving submodule is used to define, store, and call the components in a parameterized manner, including enclosure components, roof components, and interior structures.

[0013] Configurable sub-modules are used to pre-configure typical design libraries for multiple voltage levels and store custom non-standard templates;

[0014] The 2D to 3D generation submodule is used to automatically parse planar design data and generate parametric 3D models;

[0015] The standardized delivery submodule is used to determine the vector graphics and cross-disciplinary data corresponding to preset conditions.

[0016] Optionally, the site plan design module includes:

[0017] The second parameterized driving submodule is used to parameterize and define core elements, including outdoor facilities.

[0018] The intelligent layout and collaboration submodule is used to build a parametric model library for various types of substations, call typical templates that support red line ranges and road layouts, and make personalized parameter adjustments to model dimensions.

[0019] Optionally, the digital design module for the water supply and drainage system includes:

[0020] The pipe fitting connection submodule is used to determine the parametric setting scheme for various types of pipe fittings by using the API interface of the preset BIM platform.

[0021] The integrated hole-opening and sleeve-connection submodule is used to match sleeves according to pipe parameters, generate openings, and update the two-dimensional and three-dimensional models of the wall in conjunction with them.

[0022] The fire protection facility layout submodule is used to optimize the fire protection layout structure and determine the installation scheme of fire protection devices.

[0023] Optionally, the HVAC system digital design module includes:

[0024] The duct parametric modeling submodule is used to build a duct parametric family library, which includes duct types and auxiliary components of the duct;

[0025] The intelligent duct elevation adjustment submodule is used to adjust the elevation of the ducts in batches.

[0026] Optionally, the multi-disciplinary collaboration module includes:

[0027] The data standardization submodule is used to unify the data formats of the building professional model, the site plan professional model, the water supply and drainage professional model and the HVAC professional model by adopting a preset enterprise-level data interaction standard;

[0028] A cross-disciplinary data interface engine is used to provide cross-platform data interfaces for cross-platform transmission and multi-source data interaction of the building professional model, the site plan professional model, the water supply and drainage professional model and the HVAC professional model;

[0029] The parametric modeling and component library integration submodule is used to integrate parametric modeling tools and standardized component libraries corresponding to the engineering characteristics of the substation.

[0030] Optionally, it also includes a parametric component library, which shares component parameters in real time with the architectural model, the site plan model, the water supply and drainage model, and the HVAC model, and performs component data updates and component data management for multiple professional models.

[0031] A second aspect of this application provides a digital design method for substation civil engineering based on a domestic BIM platform, including:

[0032] Architectural design modules and building component libraries are used to construct professional architectural models;

[0033] The general layout design module uses parametric modeling technology to generate the general layout plan elements of the substation and the standardized drawings of the substation, and constructs a professional general layout model;

[0034] The water supply and drainage system digital design module is used to generate water supply and drainage pipeline design schemes that are associated with the building professional model of the substation based on the water supply and drainage professional construction library, and to construct the water supply and drainage professional model.

[0035] A digital design module for HVAC systems was used to construct an HVAC professional model based on the architectural model of the substation.

[0036] The architectural model, site plan model, water supply and drainage model, and HVAC model are modified and updated online in real time to determine the substation civil engineering model.

[0037] Optionally, the construction of a professional architectural model using architectural design modules and architectural component libraries includes:

[0038] Based on the building component library, the geometric dimensions of the basic components of the substation are parametrically defined to determine the geometric model.

[0039] Associating the substation civil engineering attributes with the geometric model, a geometric model with shape-attribute characteristics is determined;

[0040] Based on the geometric model with shape and attributes and the pre-set standardized component library, model the architectural model of the substation;

[0041] The general layout design module uses parametric modeling technology to generate the general layout plan elements and standardized drawings of the substation, constructing a professional general layout model, including:

[0042] Using a pre-set BIM platform plugin, the red line range, wall outline, and road edge lines are defined parametrically;

[0043] Generate SVG site plans that conform to power industry mapping standards with one click;

[0044] The site plan professional model is determined by calling a matching template that matches the SVG site plan from the preset parametric construction library;

[0045] The aforementioned digital design module for water supply and drainage systems generates water supply and drainage pipeline design schemes associated with the substation's architectural model based on a water supply and drainage professional construction library, and constructs a water supply and drainage professional model, including:

[0046] Based on the architectural model of the substation, the pipeline connections are made and the pipeline route scheme is determined.

[0047] Based on the pipeline route plan, the pipeline and floor openings are updated in a linked manner, and the two-dimensional and three-dimensional models of the walls are updated.

[0048] Based on a pre-defined knowledge base of standards, the location of fire-fighting equipment is determined, and a water supply and drainage professional model is constructed.

[0049] The aforementioned adoption of a digital design module for HVAC systems involves constructing an HVAC professional model based on the substation's architectural model, including:

[0050] Based on building functions and requirements, construct a parametric family library for air ducts;

[0051] Adjust the elevation of the ducts in batches according to the duct layout plan.

[0052] Optionally, the online synchronous modification and real-time update of the architectural model, the site plan model, the water supply and drainage model, and the HVAC model to determine the substation civil engineering model includes:

[0053] The system adopts a pre-defined enterprise-level data interaction standard to enable cross-platform transmission and multi-source data interaction for the building professional model, the site plan professional model, the water supply and drainage professional model, and the HVAC professional model.

[0054] The architectural model, site plan model, water supply and drainage model, and HVAC model are communicated and designed online using real-time communication tools. The architectural model, site plan model, water supply and drainage model, and HVAC model are obtained after online synchronous modification and real-time update, and the substation civil engineering model is determined.

[0055] This application discloses a digital design system for substation civil engineering based on a domestic BIM platform. This system utilizes the domestic platform to define architectural design, site plan design, and water supply and drainage system digital design modules. It designs architectural, site plan, and water supply and drainage professional models and employs a multi-disciplinary collaboration module to enable online synchronous modification and real-time updates of these models. This solves the "information silo" problem of heterogeneous information systems, achieving lossless data exchange. This application is an integrated tool covering the entire design-construction process, shortening the design cycle, improving compliance with standards, reducing construction rework rates, and meeting engineering requirements.

[0056] Other technical effects resulting from the additional features will be further illustrated in the corresponding embodiments. Attached Figure Description

[0057] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0058] Figure 1 This is a schematic diagram of the overall structure of a digital design system for substation civil engineering based on a domestic BIM platform, according to an exemplary embodiment.

[0059] Figure 2 This is a schematic diagram of a parametric component library according to an exemplary embodiment.

[0060] Figure 3 This is a schematic diagram of a two-dimensional building layout according to an exemplary embodiment.

[0061] Figure 4 This is a schematic diagram of a three-dimensional building model according to an exemplary embodiment.

[0062] Figure 5 This is a two-dimensional schematic diagram of a fence according to an exemplary embodiment.

[0063] Figure 6 This is a three-dimensional schematic diagram of a fence according to an exemplary embodiment.

[0064] Figure 7 This is a schematic diagram of a substation according to an exemplary embodiment.

[0065] Figure 8 This is a schematic diagram illustrating a family of heating and ventilation fans according to an exemplary embodiment.

[0066] Figure 9 This is a schematic diagram of a smart pipe (tee) connection according to an exemplary embodiment.

[0067] Figure 10 This is a schematic diagram illustrating the placement of a fire extinguisher according to an exemplary embodiment.

[0068] Figure 11 This is a schematic diagram illustrating the placement of a fire hydrant according to an exemplary embodiment.

[0069] Figure 12 This is a flowchart illustrating a digital design method for substation civil engineering based on a domestic BIM platform, according to an exemplary embodiment. Detailed Implementation

[0070] The present application will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present application, but do not limit the present application in any way. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application. These all fall within the protection scope of the present application.

[0071] Existing substation civil engineering design relies on traditional manual drafting and experience-based judgment, resulting in long design cycles, high risk omission rates, frequent conflicts, and high rework rates. Furthermore, multi-data collaboration platforms focus on single disciplines, lack strong domestic technology support, and cannot synchronize designs in real time, leading to "information silos" and failing to meet engineering requirements. To address these issues, this application provides a digital design system for substation civil engineering based on a domestic BIM platform to resolve these problems.

[0072] Figure 1 This is a schematic diagram of the overall structure of a digital design system for substation civil engineering based on a domestic BIM platform, according to an exemplary embodiment.

[0073] Reference Figure 1 As shown in one embodiment of this application, a digital design system for substation civil engineering based on a domestic BIM platform includes an architectural design module, a site layout design module, a digital design module for water supply and drainage systems, a digital design module for HVAC systems, and a multi-disciplinary collaboration module.

[0074] The architectural design module is used to determine the architectural professional model by using a parametrically driven, configurable building component library for parametric component driving, calling, and integrated delivery.

[0075] Specifically, the architectural design module is based on the building component library, uses intelligent layout algorithms to integrate parametric data storage technology and BIM technology, and adopts two-way linkage technology between planar design data and three-dimensional model parameters to generate a BIM (Building Information Modeling) model of the substation, i.e., an architectural professional model.

[0076] The system employs an intelligent layout algorithm to intelligently lay out the substation rooms in a planar manner, generates a 3D-driven parametric model, and uses a parametric building library for matching and construction to generate the substation's BIM model.

[0077] The site layout design module is used to generate substation site layout plan elements and standardized drawings of the substation based on parametric modeling technology, and to determine the site layout professional model.

[0078] Specifically, the site layout design module is used to perform parametric modeling of the substation's architectural model, such as parametric roads, cable trenches, and red line boundaries, and intelligent layout, to generate site layout schemes and determine the site layout model.

[0079] The digital design module for water supply and drainage systems is used to generate water supply and drainage pipeline design schemes associated with the building professional model based on the water supply and drainage professional component library, and to determine the water supply and drainage professional model.

[0080] The design scheme for water supply and drainage pipelines includes pipe diameter type and pipe diameter parameter settings.

[0081] Specifically, the digital design module for water supply and drainage systems is used to generate general functional specifications for water supply and drainage pipeline design and drawing based on the architectural model.

[0082] The HVAC system digital design module is used to determine the fan equipment model and duct diameter based on the building professional model, and to determine the HVAC professional model.

[0083] Specifically, the HVAC system digital design module generates duct layout schemes based on the BIM model of the substation, and can also adjust the duct positions in batches.

[0084] Among them, the duct layout scheme includes the layout scheme of HVAC pipes and ancillary components.

[0085] The multi-disciplinary collaboration module is used to perform online synchronous modification and real-time update of the architectural model, site plan model, water supply and drainage model, and HVAC model in a preset multi-disciplinary collaboration environment.

[0086] This application presents a digital design system for substation civil engineering based on a domestic BIM platform. It employs an architectural design module, integrating parametric data storage technology and BIM technology. It utilizes bidirectional linkage technology between planar design data and 3D model parameters to generate a BIM model of the substation, enabling collaborative components between the site plan and the architectural model, reducing repetitive manual labor. The site plan design module employs parametric modeling and intelligent layout technology to achieve the optimal site plan layout. A digital design module for the water supply and drainage system allows for rapid access to water supply and drainage components and pipes, while a digital design module for the HVAC system allows for rapid access to HVAC components and ducts, optimizing energy consumption and reducing material waste. A multi-disciplinary collaboration module enables online synchronous modification and real-time updates of models from multiple disciplines, solving the "information silo" problem of heterogeneous information systems, achieving lossless data exchange, shortening the design cycle, improving compliance with standards, reducing construction rework rates, and meeting engineering requirements.

[0087] Figure 2 This is a schematic diagram of a parametric component library according to an exemplary embodiment.

[0088] Reference Figure 2 As shown, a digital design system for substation civil engineering based on a domestic BIM platform also includes a parametric component library. The parametric component library shares component parameters in real time with architectural models, site plan models, water supply and drainage models, and HVAC models, enabling updates and data management for multiple professional models.

[0089] Specifically, the parametric component library expands the component attribute set by assigning standardized parameter rules to components such as doors, windows, and stairs. For example, the width and height of doors and windows can be dynamically adjusted according to the actual building conditions, and the number of stairs is related to the building's elevation and height.

[0090] By adjusting dynamically parametric components, the rate of repetition and error in the work is reduced, significantly improving design efficiency and accuracy.

[0091] A digital design system for substation civil engineering based on a domestic BIM platform also includes a standardized template library and allows for the configuration of components with different voltage levels based on multiple voltage levels.

[0092] The standardized template library categorizes components by voltage level, such as 110kV / 220kV / 500kV, providing a pre-built template library covering substation types including indoor and outdoor stations. This allows designers to quickly access standardized solutions. It also offers storage and retrieval functions for custom non-standard templates. Through parametric data storage technology, it enables flexible creation, modification, and retrieval of design schemes, meeting personalized project needs and significantly improving design reusability and efficiency.

[0093] The standardized template library also supports dynamic component dimensions for users, enabling standardized designs based on project characteristics such as site area and equipment list, and allowing for flexible adaptation to personalized needs.

[0094] Figure 3 This is a schematic diagram of a two-dimensional building layout according to an exemplary embodiment. Figure 4 This is a schematic diagram of a three-dimensional building model according to an exemplary embodiment.

[0095] Reference Figure 3 , Figure 4 As shown, to generate a BIM model of a substation, in some specific embodiments of this application, the building functional layout module includes a first parametric driving submodule, a size configurable submodule, a 2D to 3D generation submodule, and a standardized delivery submodule.

[0096] The first parameterized driver submodule is used to define, store, and call the parameters of the components.

[0097] Specifically, the components include enclosure components, roof components, and interior structures.

[0098] The first parametric-driven submodule enables parametric linkage between 2D design and 3D model, improving design efficiency and accuracy.

[0099] Specifically, the two-way linkage technology ensures dynamic consistency between two-dimensional drawings and three-dimensional models by studying the real-time synchronous update technology of planar design data and three-dimensional model parameters. For example, when adjusting the room size in the floor plan, the three-dimensional model synchronously updates the wall position and space volume. The development of visualization design tools has a design tool with an intuitive interface, which supports designers to operate collaboratively in planar and three-dimensional views. For example, dragging planar components directly drives the generation of three-dimensional models to reduce the error of manually switching views.

[0100] Configurable sub-modules are available for pre-built libraries of typical designs for multiple voltage levels and for storing custom non-standard templates.

[0101] Specifically, the configurable size sub-module establishes a standardized component classification system, enabling parametric modeling and management of building components.

[0102] The standardized classification system provides a detailed categorization of substation building components. Major components include rooms, doors, windows, walls, floors, roofs, and roads, while auxiliary components include cable trenches, stairs, ramps, and equipment foundations. Each component is defined with a unified parametric standard to ensure model consistency. The parametric modeling method uses parametric modeling technology to assign adjustable attribute parameters to various components. For example, door and window components support parameter configurations such as material, opening method, and fire resistance rating; cable trench components can be associated with terrain slope to generate a 3D model that meets drainage requirements. Multiple component types cover all substation building components, meeting the modeling needs of different projects.

[0103] The 2D to 3D generation submodule is used to automatically parse planar design data and generate parametric 3D models.

[0104] Specifically, the 2D to 3D generation submodule can cover the entire process of design, modification, and retrieval.

[0105] For example, parametric design and structural optimization are implemented for the characteristics of substation building roofs. For instance, the roof type supports multiple forms such as flat roofs and pitched roofs. The roof drainage slope parameters can be configured according to drainage conditions. The slope parameters can be adjusted as needed, and the roof dimensions are also parametrically linked.

[0106] The standardized delivery submodule is used to determine the vector graphics and cross-disciplinary data corresponding to preset conditions.

[0107] The embodiments described above in this application employ a two-way linkage technology between planar design data and 3D model parameters, along with visual design tools, and combine a multi-voltage level typical design library and a custom template storage mechanism to ensure dynamic consistency between 2D drawings and 3D models, thereby improving design efficiency and parametric collaboration capabilities. Through the component classification and modeling sub-modules, component classification standards and parametric modeling technology are adopted, combined with power industry parametric standards and full-scene component coverage, ensuring the standardization, consistency, and project adaptability of building component modeling. By employing multi-type roof parametric configuration and structural collaborative design, the roof design is ensured to meet functional requirements, structural safety, and energy efficiency optimization goals, achieving full-process digitalization from space to component design, effectively improving the design accuracy and efficiency of substation civil engineering.

[0108] To generate a site layout scheme, in some specific embodiments of this application, the site design module includes a second parameterized driving submodule and an intelligent layout and collaboration submodule.

[0109] The second parameterized driver submodule is used to parameterize the core elements, which include outdoor facilities.

[0110] Specifically, the second parameterized driving submodule realizes the parameterized definition and digital modeling of general plan elements such as red lines, walls, and road edges, and supports dynamic adjustment of key elements.

[0111] The intelligent layout and collaboration submodule is used to build a parametric model library for various types of substations, call typical templates that support red line ranges and road layouts, and make personalized parameter adjustments to model dimensions.

[0112] Specifically, the parametric modeling module enables the parametric definition and digital modeling of general plan elements such as red lines, walls, and road edges, supports dynamic adjustment of key elements, integrates power industry rules to verify compliance, and reduces human error and rework.

[0113] The site layout of the architectural model conforms to the pre-set specifications.

[0114] Figure 5 This is a two-dimensional schematic diagram of a fence according to an exemplary embodiment. Figure 6 This is a three-dimensional schematic diagram of a fence according to an exemplary embodiment.

[0115] For example, refer to Figure 5 , Figure 6 As shown, the intelligent layout and collaboration submodule can parametrically adjust the perimeter wall and road lines according to the current site conditions to ensure that the building boundary line is coordinated and unified with the surrounding environment.

[0116] The intelligent layout and collaboration submodule is used to optimize facility distribution and quickly call up typical templates of the general layout scheme of the building professional model, i.e., the BIM model of the substation.

[0117] In some specific embodiments of this application, in the site layout design module, the parametric component library is linked with the architectural discipline in real time, and the site layout elements are automatically updated according to the BIM model to ensure the consistency and dynamism of the design.

[0118] In some specific embodiments of this application, the general layout design module also includes a deliverables submodule. This module generates professional drawings such as SVG general layout plans and site location maps containing technical and economic indicators based on the parametric model. It supports multi-format output and standardized archive package generation, ensuring that the drawings and model data are consistent in real time, meeting the digital delivery standards of the power industry, improving review efficiency and the standardization of cross-unit collaboration, and reducing manual statistical errors and delivery time.

[0119] The embodiments described above employ a site plan design module. The second parametric driving submodule uses spatial analysis algorithms to plan perimeter wall and road lines, and intelligently adjusts boundary elements based on terrain features to ensure harmony between the building boundary and the surrounding environment. The intelligent layout and collaboration submodule uses BIM model site plan layout templates for rapid access, combined with a cross-disciplinary parameter linkage mechanism, to ensure optimized facility distribution and improved design efficiency. The deliverables submodule uses parametric model generation technology, combined with a multi-format standardized archiving mechanism, to ensure real-time consistency between technical and economic indicators and drawing data, meeting the digital delivery standards of the power industry.

[0120] To generate general functional specifications for water supply and drainage pipeline design and drawing associated with the BIM model, in some specific embodiments of this application, the digital design module for the water supply and drainage system includes a pipeline connection submodule, an integrated opening and sleeve submodule, and a fire protection facility layout submodule.

[0121] The pipe fitting connection submodule is used to determine the parametric setting scheme for various types of pipe fittings using the API interface of the preset BIM platform.

[0122] Specifically, the pipe connection submodule is used to generate natural connection methods for pipe paths based on the pipe diameter in the BIM model, including the connection of elbows, tees, and crosses.

[0123] For example, based on the building layout of the substation BIM model, a preliminary water supply and drainage pipeline scheme is generated. By adopting intelligent pipeline connection technology, the water supply and drainage pipeline layout scheme of the 500KV substation is constructed efficiently, improving work efficiency and simplifying the cumbersome pipeline modeling process.

[0124] The integrated hole-opening and sleeve-connecting submodule is used to match sleeves according to pipe parameters, generate openings, and update the two-dimensional and three-dimensional models of the wall.

[0125] The fire protection facility layout submodule is used to optimize the fire protection layout structure and determine the installation scheme of fire protection devices.

[0126] Specifically, the fire protection facility layout submodule is used to batch and accurately place fire extinguishers and fire hydrants based on a preset standard knowledge base, so that their placement complies with relevant fire protection standards.

[0127] The preset normative knowledge base is a built-in normative knowledge base that includes normative constraints.

[0128] For example, a pre-defined standard knowledge base is invoked to calculate the type and number of fire extinguishers based on the fire separation distance and protection range, ensuring that the design meets the standard requirements and guarantees fire safety requirements.

[0129] In some specific embodiments of this application, in the digital design module of the water supply and drainage system, the parametric component library realizes real-time sharing with the embedded part parameters of professional disciplines such as architecture and site planning, and supports dynamic updates of multi-professional models and data consistency management.

[0130] The embodiments described above in this application use a pipeline connection submodule to generate pipeline path schemes and a fire protection facility layout submodule to plan the location and number of fire protection facilities, thereby realizing the digital design of the water supply and drainage system, generating construction drawings and general drawing function descriptions that are deeply associated with the BIM model, providing full life-cycle data support for engineering construction and subsequent maintenance, and effectively improving the overall efficiency and collaboration level of substation design.

[0131] In order to construct a heating, ventilation, and air conditioning (HVAC) system, in some specific embodiments of this application, the digital design module of the HVAC system includes a duct parametric modeling submodule and a pipe elevation intelligent adjustment submodule.

[0132] The duct parametric modeling submodule is used to build a duct parametric family library.

[0133] Specifically, the duct parameterization family library includes duct types and duct accessories.

[0134] The parametric duct modeling submodule is used to build a parametric duct family library based on changes in building functions and requirements, and to quickly call up models to build HVAC systems.

[0135] Among them, the automatic alignment algorithm optimizes the spatial connection accuracy between air ducts, fans, and air outlets; the parameterized driving technology optimizes the size adjustment efficiency of rectangular / circular air ducts, supports dynamic adjustment of parameters such as duct diameter, length, and curvature, and realizes intelligent layout of air ducts with complex paths.

[0136] The intelligent duct elevation adjustment submodule is used for batch adjustment of duct elevation.

[0137] Specifically, the intelligent pipe elevation adjustment submodule supports "batch selection by system" for overall pipe elevation offset based on the duct layout scheme, thereby improving operational efficiency.

[0138] Among them, multi-selection interactive technology optimizes the convenience of batch adjustment of multiple pipe elevations and reduces the tedious process of manually adjusting each pipe one by one; dynamic coordinate mapping algorithm optimizes the coordination and consistency between pipe elevation offset and building structure elevation, ensuring that the spatial relationship between air ducts and components such as walls and floors is accurate after batch adjustment, and avoiding elevation conflicts caused by manual operation.

[0139] The embodiments described above employ a parametric duct modeling submodule to construct a parametric duct family library and dynamically adjust the size and layout of the duct model, effectively reducing design errors. A pipe elevation intelligent adjustment submodule is also employed, using a coordinate mapping algorithm to achieve precise pipe elevation offset, avoiding errors caused by manual operation, reducing tedious steps in the modeling process, and greatly improving modeling efficiency.

[0140] In some specific embodiments of this application, a unified data interaction standard is established in the digital design module of the HVAC system. The HVAC system is updated synchronously with the architectural, water supply and drainage, and site plan models. The multi-disciplinary models are collaboratively verified based on a lightweight BIM engine. Through real-time model synchronization, layout problems of pipelines, water supply and drainage, site plan, and other disciplines can be visually identified and resolved, thereby improving design quality and construction efficiency.

[0141] The embodiments described above employ a multi-disciplinary collaborative mechanism, which effectively shortens the design cycle, reduces design changes during the construction phase, and lays the foundation for the efficient advancement of the project.

[0142] To enable multi-disciplinary collaborative work, in some specific embodiments of this application, the multi-disciplinary collaboration module includes: a data standardization sub-module, a cross-disciplinary data interface engine, and a parametric modeling and component library integration sub-module.

[0143] In this embodiment, the multi-disciplinary system module is also represented as a collaborative design framework based on domestic BIM platform technology, with a unified digital base plate for components, deeply integrating building information to solve the problem of information silos and provide accurate spatial and attribute data support for multi-disciplinary systems.

[0144] The data standardization submodule is used to unify the data formats of architectural models, site plan models, water supply and drainage models, and HVAC models by adopting preset enterprise-level data interaction standards.

[0145] The cross-disciplinary data interface engine provides cross-platform data interfaces for cross-platform transmission and multi-source data interaction of architectural models, site plan models, water supply and drainage models, and HVAC models.

[0146] Specifically, the data standardization submodule is used to adopt preset enterprise-level data interaction standards and cross-professional data interface engine to transmit and share architectural professional models, site plan professional models, water supply and drainage professional models and HVAC professional models across platforms.

[0147] The pre-defined enterprise-level data exchange standard supports lossless data exchange between mainstream software such as Revit and AutoCAD and domestic platforms, thereby solving the "information silo" problem between heterogeneous systems.

[0148] The architectural model, site plan model, plumbing model, and HVAC model can be modified and updated online in real time within a pre-defined multidisciplinary collaborative environment.

[0149] Specifically, the multi-disciplinary collaborative environment supports parallel design by multiple teams, enabling online synchronous modification and real-time update of multi-disciplinary models.

[0150] The multidisciplinary collaboration environment also supports version control and access control functions to ensure the auditability and standardization of the design process.

[0151] For example, design teams can access shared models through a browser or a lightweight client to achieve efficient collaboration across regions and departments.

[0152] Users can communicate and design online using real-time communication tools for architectural models, site plan models, plumbing models, and HVAC models.

[0153] Specifically, real-time communication tools facilitate team members to communicate design intentions and collaboratively solve cross-disciplinary problems in real time, thereby improving collaboration efficiency.

[0154] The parametric modeling and component library integration submodule is used to integrate parametric modeling tools and standardized component libraries corresponding to the engineering characteristics of substations.

[0155] The embodiments described above in this application employ a data standardization submodule and a cross-disciplinary data interface engine. Through the architecture of "data standardization - multi-disciplinary collaboration," full-process control is achieved. The data standardization submodule unifies the expression methods of various disciplines, eliminating collaboration barriers caused by differences in data formats. The multi-disciplinary collaboration environment provides a platform for real-time sharing and synchronous modification, breaking the limitations of time and space, and uses real-time communication tools to achieve real-time technical communication.

[0156] In some specific embodiments of this application, the multi-disciplinary collaboration module may also include a one-click collaboration sub-module, which is used to automatically push model updates to related disciplines to achieve real-time response to design changes.

[0157] In some specific embodiments of this application, a digital design system for substation civil engineering based on a domestic BIM platform can also develop a knowledge base for fan selection, an intelligent planning tool for duct routes, and achieve intelligent decision-making such as automatic configuration of 70℃ fire dampers.

[0158] The preferred features in the above embodiments can be used individually in any embodiment, or in any combination thereof, provided they do not conflict with each other. Furthermore, parts not described in detail in the embodiments can be implemented using existing technologies.

[0159] The following examples will be used to further illustrate this application in order to better understand the above-mentioned technical solutions. It should be understood that the following are only some examples and are not intended to limit this application.

[0160] Figure 7 This is a schematic diagram of a substation according to an exemplary embodiment. Figure 8 This is a schematic diagram illustrating a heating, ventilation, and air handling unit according to an exemplary embodiment. Figure 9 This is a schematic diagram of a smart pipe (tee) connection according to an exemplary embodiment. Figure 10 This is a schematic diagram illustrating the placement of a fire extinguisher according to an exemplary embodiment. Figure 11 This is a schematic diagram illustrating the placement of a fire hydrant according to an exemplary embodiment.

[0161] Reference Figure 7 As shown, this example uses a 500kV substation model as a case study to demonstrate intelligent design and collaboration across four disciplines: civil engineering, architecture, site planning, HVAC, and water supply and drainage, and to verify the substation's engineering performance. A detailed explanation follows to facilitate understanding of this example.

[0162] (1) Parametric design of architectural professionals drives layout planning:

[0163] Based on a typical design library for multiple voltage levels, a 500kV substation building template is called. By parametrically adjusting room dimensions and wall materials, a three-dimensional model is generated simultaneously. Using two-way linkage technology between planar and three-dimensional models, when the positions of doors and windows are moved in the floor plan, the position of the openings in the three-dimensional model is updated in real time to ensure consistency between two-dimensional and three-dimensional models.

[0164] (2) Parametric Modeling and Intelligent Boundary Processing for Site Layout:

[0165] Based on the current site conditions, spatial analysis algorithms are used to parametrically define the boundary lines, perimeter walls, and road edges. For example, according to adjustments in the site area, the boundary lines are offset, and the perimeter walls and roads are dynamically adjusted to conform to the actual situation. In the layout of roads and cable trenches, the adaptive width function makes the path design and modeling of roads and cable trenches more convenient, greatly improving modeling efficiency and providing a more scientific and efficient general layout design scheme for substation projects. (Reference) Figure 2 As shown, the creation of a parametric component library supports real-time linkage with the architectural profession, and can automatically update site plan elements according to adjustments to the building model, ensuring the consistency and dynamism of the design.

[0166] (3) Co-design of electromechanical systems:

[0167] 1) Water Supply and Drainage Engineering:

[0168] The intelligent pipe connection function enables the rapid parametric layout of fire protection pipes, elbows, and tees; the integrated tool for opening and sleeve can generate rigid waterproof sleeves in the building wall model with one click, and the sleeve parameters are linked with the pipe diameter in real time.

[0169] 2) Heating, Ventilation, and Air Conditioning (HVAC) specialty:

[0170] When laying air conditioning ducts, the system automatically adjusts the duct size according to the fan pressure parameters, adjusts the installation height of the entire air conditioning circuit through the batch elevation offset function, and generates a duct slope analysis report simultaneously.

[0171] (4) Multi-disciplinary collaboration mechanism:

[0172] Employing multi-disciplinary collaborative modules, this system leverages a domestically developed BIM collaborative platform to create a multi-disciplinary collaborative environment that supports concurrent multi-user operations and full-process version control, ensuring the standardization of design changes. The platform includes a built-in specification knowledge base, enabling standardized component placement and other functions during the design phase based on relevant specification requirements. Figure 10 As shown, by leveraging real-time data synchronization and cross-disciplinary collaboration mechanisms, design efficiency and quality are significantly improved, providing a safe and reliable digital collaborative design solution for substation projects.

[0173] This application provides a digital design system for substation civil engineering based on a domestic BIM platform. Addressing the core pain points of traditional substation design, such as low efficiency, insufficient collaboration, and reliance on manual compliance, the system leverages a domestic BIM platform to construct a multi-disciplinary digital design function system, achieving a systemic breakthrough in both technology and application. By establishing enterprise-level data standards and combining semantic mapping technology, it successfully breaks down the barriers between civil engineering, site planning, and HVAC professional models, significantly improving the integrity and collaborative efficiency of cross-disciplinary data. Furthermore, a hierarchical knowledge base of components enables standardized placement of family library components, ensuring that the design scheme achieves industry-leading compliance. Simultaneously, the innovative application of intelligent layout algorithms effectively reduces manual intervention and lowers construction rework rates in pilot projects.

[0174] At the application level, the system significantly improves design efficiency and quality through an intelligent toolchain. The level of intelligent building generation and parametric modeling technology, as well as the site plan design cycle, have been optimized, and the design efficiency of water supply, drainage, and HVAC systems has been effectively improved. More importantly, the project developed a fully independent and controllable toolchain, such as a parametric component library, promoting the first large-scale application of a domestically developed BIM platform in the power industry. The "standardized templates + intelligent tools + data interoperability" model formed in the pilot project provides a replicable implementation path for the digital design of substations, bringing significant benefits to enterprises and providing an important reference example for the industry's digital transformation.

[0175] Figure 12This is a flowchart illustrating a digital design method for substation civil engineering based on a domestic BIM platform, according to an exemplary embodiment.

[0176] Reference Figure 12 As shown, this application also provides a digital design method for substation civil engineering based on a domestic BIM platform, which can be applied to the aforementioned digital design system for substation civil engineering based on a domestic BIM platform, including S11 to S15.

[0177] S11 uses architectural design modules and a library of architectural components to build professional architectural models.

[0178] Specifically, it adopts a parameter-driven, highly configurable building component library to support collaborative design and standardized delivery throughout the entire process.

[0179] S12 uses the general layout design module to generate substation general layout plan elements and standardized drawings of the substation based on parametric modeling technology, and constructs a general layout professional model.

[0180] S13 uses a digital design module for water supply and drainage systems to generate water supply and drainage pipeline design schemes that are associated with the building professional model of the substation based on the water supply and drainage professional construction library, and to construct a water supply and drainage professional model.

[0181] S14 uses a digital design module for HVAC systems to construct an HVAC professional model based on the building professional model of the substation.

[0182] S15 involves online synchronous modification and real-time updating of the architectural model, site plan model, water supply and drainage model, and HVAC model to determine the substation civil engineering model.

[0183] Specifically, in a multi-disciplinary collaborative environment, a multi-disciplinary collaborative module is used to perform online synchronous modification and real-time updates of the architectural model, site plan model, water supply and drainage model, and HVAC model.

[0184] In the embodiments described above, the architectural discipline employs a parametrically driven, highly configurable building component library to achieve collaborative design and standardized delivery throughout the entire process; the site planning discipline uses parametric modeling technology to achieve intelligent generation of substation site plan and 3D elements and automatic delivery of standardized drawings; the water supply and drainage discipline uses a digital design module for water supply and drainage systems to achieve BIM-based design and intelligent connection of water supply and drainage pipelines; the HVAC discipline uses a digital design module for HVAC systems to achieve intelligent selection of fan equipment and optimization of duct layout based on BIM models; and multi-disciplinary collaboration utilizes a multi-disciplinary collaborative module in a multi-disciplinary collaborative environment to achieve online synchronous modification and real-time updating of architectural, site planning, water supply and drainage, and HVAC models, shortening the design cycle, improving compliance with standards, reducing construction rework rates, and meeting engineering requirements.

[0185] In order to construct a BIM model of a substation, in some specific embodiments of this application, S11, an architectural design module and a building component library are used to construct an architectural professional model, including: S111 to S113.

[0186] S111, Based on the building component library, the geometric dimensions of the substation's basic components are defined parametrically to determine the geometric model.

[0187] Specifically, the module core adopts parameterized data storage and retrieval technology to enable the parameterized definition of components such as walls, doors and windows.

[0188] Step S111 can be executed using the first parameterized driver submodule.

[0189] S112, associate the civil engineering attributes of the substation with the geometric model to determine the geometric model with shape-attribute.

[0190] Specifically, step S112 is executed using a size-configurable submodule, which has both a pre-built library of typical designs for multiple voltage levels and supports custom storage of non-standard templates to meet personalized needs.

[0191] S113, model the architectural model of the substation based on a geometric model with shape-attribute features and a pre-defined library of standardized components.

[0192] Specifically, step S113 is executed using a 2D-to-3D generation submodule and a standardized delivery submodule, employing bidirectional real-time linkage between the existing planar design and the 3D model, covering the entire process of design, modification, and retrieval.

[0193] In order to generate a general layout scheme, in some specific embodiments of this application, S12, the general layout design module is used to generate the general layout plan elements of the substation and the standardized drawings of the substation based on parametric modeling technology, and a general layout professional model is constructed, including: S121 to S123.

[0194] S121 uses a preset BIM platform plugin to parametrically define the red line range, wall outline, and road edge line.

[0195] Specifically, parameters are used to define core elements such as red lines, walls, and roads, supporting dynamic adjustments.

[0196] Specifically, steps S121 to the second parameterized driver submodule are executed.

[0197] S122, generates SVG site plans that conform to power industry mapping standards with one click.

[0198] S123, call the matching template that matches the SVG site plan from the preset parametric construction library to determine the site plan professional model.

[0199] Specifically, the pre-defined parametric building library can construct parametric models for various types of substations, supporting quick access to typical templates such as red line range and road layout, as well as personalized parameter adjustments.

[0200] Specifically, steps S122 to S123 are executed using the intelligent layout and collaborative sub-module.

[0201] In order to generate a general functional description of water supply and drainage pipeline design and drawing associated with the BIM model of the substation, in some specific embodiments of this application, S13, the water supply and drainage system digital design module is used to generate a water supply and drainage pipeline design scheme associated with the building professional model of the substation based on the water supply and drainage professional construction library, and to construct a water supply and drainage professional model, including S131 to S133.

[0202] S131. Based on the substation's architectural model, connect the pipes and determine the pipe route scheme.

[0203] Specifically, it enables the parametric placement and intelligent connection of pipe fittings such as elbows and tees.

[0204] Step S131 is executed using the pipe fitting connection submodule.

[0205] S132, based on the pipeline route plan, perform linked updates of pipelines and floor openings, and update the two-dimensional and three-dimensional models of the walls.

[0206] Specifically, it automatically matches rigid / flexible waterproof sleeves based on pipe parameters, generates wall / floor openings with one click, and updates the model accordingly.

[0207] Step S132 is executed using the integrated perforated sleeve submodule.

[0208] S133, based on a pre-set standard knowledge base, determines the location of fire-fighting devices and constructs a water supply and drainage professional model.

[0209] Specifically, based on a pre-set knowledge base of standards, the location of fire protection facilities is determined, and the verification of fire separation distances and protection ranges is set simultaneously.

[0210] Step S133 is executed using the fire protection facility layout submodule.

[0211] In order to generate a duct layout scheme and construct a heating, ventilation and air conditioning (HVAC) system, in some specific embodiments of this application, S14, the HVAC system digital design module is used to construct an HVAC professional model based on the substation building professional model, including: S141 to S143.

[0212] S141, construct a parametric family library for air ducts based on building functions and requirements.

[0213] Specifically, a parameterized family library of rectangular / circular ducts is constructed to support real-time generation of wind pressure distribution cloud maps and intelligent alignment of ducts with fans and air outlets.

[0214] Step S141 is executed using the duct parametric modeling submodule.

[0215] S142, adjust the elevation of the ducts in batches according to the duct layout plan.

[0216] Specifically, it supports "batch selection by system" for overall pipe elevation offset, improving operational efficiency and reducing errors in adjusting pipe one by one through multi-select interaction.

[0217] Step S142 is executed using the intelligent pipeline elevation adjustment submodule.

[0218] To achieve multi-disciplinary collaboration, in some specific embodiments of this application, in S15, the architectural model, site plan model, water supply and drainage model, and HVAC model are modified and updated online in real time to determine the substation civil engineering model, including S151 to S152.

[0219] S151 adopts a preset enterprise-level data interaction standard to enable cross-platform transmission and multi-source data interaction for architectural models, site plan models, water supply and drainage models, and HVAC models.

[0220] Specifically, step S151 is executed using the data standardization submodule.

[0221] S152. Real-time communication tools are used to communicate and design the architectural model, site plan model, water supply and drainage model, and HVAC model online. The architectural model, site plan model, water supply and drainage model, and HVAC model are obtained after online synchronous modification and real-time update, and the substation civil engineering model is determined.

[0222] Specifically, step S152 is executed in a multi-disciplinary collaborative environment through a cross-disciplinary data interface engine.

[0223] This application presents a multi-disciplinary collaborative digital design method for substation civil engineering based on a domestically developed BIM platform, achieving complete independent control. The platform deeply integrates parametric modeling and standardized delivery technologies, enabling parametric collaboration across four major disciplines—architecture, site planning, water supply and drainage, and HVAC—to achieve parameterized definition and real-time synchronization of components. Dynamic correlation of technical and economic indicators ensures site design compliance, while standardized MEP design processes improve efficiency. Regarding domestic compatibility, the platform is developed based on a domestic BIM kernel, deeply adapted to domestic operating systems and chip architectures, and employs national cryptographic algorithms at the data layer to ensure information security. Engineering pilot verification has shown that the platform significantly improves design adjustment efficiency, substantially reduces manual operations, and lowers design conflict rates and construction rework costs.

[0224] The specific manner in which each method is performed has been described in detail in the embodiments of the system described above, and will not be elaborated here.

[0225] The specific embodiments of this application have been described above. It should be understood that this application is not limited to the specific embodiments described above, and those skilled in the art can make various modifications or variations within the scope of the claims, which do not affect the substantive content of this application. The above-described preferred features can be used in any combination without conflict.

Claims

1. A digital design system for substation civil engineering based on a domestic BIM platform, characterized in that, include: The architectural design module is used to determine the architectural professional model by using a parametrically driven, configurable architectural component library for parametric component driving, calling, and integrated delivery. The general layout design module is used to generate the general layout plan elements of the substation and the standardized drawings of the substation based on parametric modeling technology, and to determine the professional model of the general layout. The digital design module for water supply and drainage systems is used to generate water supply and drainage pipeline design schemes associated with the building professional model based on the water supply and drainage professional component library, and to determine the water supply and drainage professional model. The HVAC system digital design module is used to determine the fan equipment model and duct diameter based on the building professional model, and to determine the HVAC professional model. The multi-disciplinary collaboration module is used to perform online synchronous modification and real-time update of the architectural model, the site plan model, the water supply and drainage model, and the HVAC model in a preset multi-disciplinary collaboration environment.

2. The digital design system for substation civil engineering based on a domestic BIM platform according to claim 1, characterized in that, The architectural design module includes: The first parameterized driving submodule is used to define, store, and call the components in a parameterized manner, including enclosure components, roof components, and interior structures. Configurable sub-modules are used to pre-configure typical design libraries for multiple voltage levels and store custom non-standard templates; The 2D to 3D generation submodule is used to automatically parse planar design data and generate parametric 3D models; The standardized delivery submodule is used to determine the vector graphics and cross-disciplinary data corresponding to preset conditions.

3. The digital design system for substation civil engineering based on a domestic BIM platform according to claim 1, characterized in that, The site layout design module includes: The second parameterized driving submodule is used to parameterize and define core elements, including outdoor facilities. The intelligent layout and collaboration submodule is used to build a parametric model library for various types of substations, call typical templates that support red line ranges and road layouts, and make personalized parameter adjustments to model dimensions.

4. The digital design system for substation civil engineering based on a domestic BIM platform according to claim 1, characterized in that, The digital design module for the water supply and drainage system includes: The pipe fitting connection submodule is used to determine the parametric setting scheme for various types of pipe fittings by using the API interface of the preset BIM platform. The integrated hole-opening and sleeve-connection submodule is used to match sleeves according to pipe parameters, generate openings, and update the two-dimensional and three-dimensional models of the wall in conjunction with them. The fire protection facility layout submodule is used to optimize the fire protection layout structure and determine the installation scheme of fire protection devices.

5. The digital design system for substation civil engineering based on a domestic BIM platform according to claim 1, characterized in that, The digital design module for the HVAC system includes: The duct parametric modeling submodule is used to build a duct parametric family library, which includes duct types and auxiliary components of the duct; The intelligent duct elevation adjustment submodule is used to adjust the elevation of the ducts in batches.

6. The digital design system for substation civil engineering based on a domestic BIM platform according to claim 1, characterized in that, The multi-disciplinary collaboration module includes: The data standardization submodule is used to unify the data formats of the building professional model, the site plan professional model, the water supply and drainage professional model and the HVAC professional model by adopting a preset enterprise-level data interaction standard; A cross-disciplinary data interface engine is used to provide cross-platform data interfaces for cross-platform transmission and multi-source data interaction of the building professional model, the site plan professional model, the water supply and drainage professional model and the HVAC professional model; The parametric modeling and component library integration submodule is used to integrate parametric modeling tools and standardized component libraries corresponding to the engineering characteristics of the substation.

7. The digital design system for substation civil engineering based on a domestic BIM platform according to claim 1, characterized in that, It also includes a parametric component library, which shares component parameters in real time with the architectural model, the site plan model, the water supply and drainage model, and the HVAC model, and performs component data updates and management for multiple professional models.

8. A digital design method for substation civil engineering based on a domestic BIM platform, characterized in that, include: Architectural design modules and building component libraries are used to construct professional architectural models; The general layout design module uses parametric modeling technology to generate the general layout plan elements of the substation and the standardized drawings of the substation, and constructs a professional general layout model; The water supply and drainage system digital design module is used to generate water supply and drainage pipeline design schemes that are associated with the building professional model of the substation based on the water supply and drainage professional construction library, and to construct the water supply and drainage professional model. A digital design module for HVAC systems was used to construct an HVAC professional model based on the architectural model of the substation. The architectural model, site plan model, water supply and drainage model, and HVAC model are modified and updated online in real time to determine the substation civil engineering model.

9. The digital design method for substation civil engineering based on a domestic BIM platform according to claim 8, characterized in that, The method of using architectural design modules and architectural component libraries to construct architectural professional models includes: Based on the building component library, the geometric dimensions of the basic components of the substation are parametrically defined to determine the geometric model. Associating the substation civil engineering attributes with the geometric model, a geometric model with shape-attribute characteristics is determined; Based on the geometric model with shape and attributes and the pre-set standardized component library, model the architectural model of the substation; The general layout design module uses parametric modeling technology to generate the general layout plan elements and standardized drawings of the substation, constructing a professional general layout model, including: Using a pre-set BIM platform plugin, the red line range, wall outline, and road edge lines are defined parametrically; Generate SVG site plans that conform to power industry mapping standards with one click; The site plan professional model is determined by calling a matching template that matches the SVG site plan from the preset parametric construction library; The aforementioned digital design module for water supply and drainage systems generates water supply and drainage pipeline design schemes associated with the substation's architectural model based on a water supply and drainage professional construction library, and constructs a water supply and drainage professional model, including: Based on the architectural model of the substation, the pipeline connections are made and the pipeline route scheme is determined. Based on the pipeline route plan, the pipeline and floor openings are updated in a linked manner, and the two-dimensional and three-dimensional models of the walls are updated. Based on a pre-defined knowledge base of standards, the location of fire-fighting equipment is determined, and a water supply and drainage professional model is constructed. The aforementioned adoption of a digital design module for HVAC systems involves constructing an HVAC professional model based on the substation's architectural model, including: Based on building functions and requirements, construct a parametric family library for air ducts; Adjust the elevation of the ducts in batches according to the duct layout plan.

10. The digital design method for substation civil engineering based on a domestic BIM platform according to claim 8, characterized in that, The process of online synchronous modification and real-time updating of the architectural model, the site plan model, the water supply and drainage model, and the HVAC model to determine the substation civil engineering model includes: The system adopts a pre-defined enterprise-level data interaction standard to enable cross-platform transmission and multi-source data interaction for the building professional model, the site plan professional model, the water supply and drainage professional model, and the HVAC professional model. The architectural model, site plan model, water supply and drainage model, and HVAC model are communicated and designed online using real-time communication tools. The architectural model, site plan model, water supply and drainage model, and HVAC model are obtained after online synchronous modification and real-time update, and the substation civil engineering model is determined.

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