CN110502803B - Wiring method and device based on BIM technology - Google Patents
Wiring method and device based on BIM technology Download PDFInfo
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- CN110502803B CN110502803B CN201910688006.5A CN201910688006A CN110502803B CN 110502803 B CN110502803 B CN 110502803B CN 201910688006 A CN201910688006 A CN 201910688006A CN 110502803 B CN110502803 B CN 110502803B
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Abstract
The invention discloses a wiring method and a device based on a BIM technology, wherein the wiring method based on the BIM technology comprises the following steps: constructing a BIM database, wherein the BIM database comprises a cable model and building construction information; performing wiring path planning based on the BIM database; and optimizing the planned wiring path to obtain the optimized wiring path. The construction cost is reduced and the later maintenance time is reduced.
Description
Technical Field
The invention relates to the field of railway system construction, in particular to a wiring method and device based on a BIM (building information modeling) technology.
Background
With the development of electrification and intellectualization, more and more electric wires are arranged in the existing building rooms, when the wiring environment of the building is complex, for example, the mutual connection of railway signal equipment is mainly connected by cables, and the complex circuit layout among the signal equipment can bring huge workload with high requirements and complex procedures for the railway signal layout. The problems of high construction cost and long time consumption for later maintenance are caused by the fact that cables are crossed and collided during design and construction, the complexity of wiring is increased, careless mistakes are easy to occur during wiring design.
Disclosure of Invention
The invention aims to provide a wiring method and a wiring device based on a BIM technology to achieve the advantages of reducing construction cost and reducing later maintenance time.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
a wiring method based on BIM technology comprises the following steps:
constructing a BIM database, wherein the BIM database comprises a cable model and building construction information;
performing wiring path planning based on the BIM database;
and optimizing the planned wiring path to obtain the optimized wiring path.
As a specific implementation manner of the embodiment of the present invention, the method further includes:
and visually displaying the cable model and the building construction information in the BIM database.
As a specific implementation manner of the embodiment of the present invention, after the cable model and the building structure information in the BIM database are displayed, the method includes:
and modifying the cable model and the building structure information in the BIM database according to the display result.
As a specific implementation manner of the embodiment of the present invention, the planning of the wiring path based on the BIM database includes:
selecting a cable model within the BIM database;
selecting a site model in building construction information within the BIM database;
planning a data model of a wiring path based on the selected cable model and the location coordinates of the site model.
As a specific implementation manner of the embodiment of the present invention, the optimizing the planned routing path includes:
and optimizing the wiring path by utilizing a particle swarm algorithm.
As a specific implementation manner of the embodiment of the invention, in the optimization of the wiring path by using the particle swarm optimization,
the cost calculation is used as a constraint function, and the optimal space is used as an objective function to perform optimization calculation.
As a specific implementation of an embodiment of the present invention,
on the other hand, the embodiment of the invention also discloses a wiring device based on the BIM technology, which comprises the following components:
a database construction unit: for constructing a BIM database, the BIM database comprising cable models and building construction information;
a planning unit: the BIM database is used for planning a wiring path based on the BIM database;
an optimization unit: and the method is used for optimizing the planned wiring path to obtain the optimized wiring path.
As a specific implementation manner of the embodiment of the invention, the database construction unit comprises a cable information model database management module, a building structure information model management module, an information integration display module and a BIM database,
the cable information model database management module is used for constructing a cable model based on cable information and storing the constructed cable model to a BIM database;
the building structure information model management module is used for receiving building structure information and storing the building structure information to a BIM database;
and the information integration display module is used for visually displaying the cable model and the building structure information in the BIM database.
As a specific implementation manner of the embodiment of the present invention, the method further includes:
a modification unit: and the BIM is used for modifying the cable model and the building construction information in the BIM database according to the display result.
As a specific implementation manner of the embodiment of the present invention, the planning unit includes:
a cable model selection module: for selecting a cable model within the BIM database;
a site model selection module: for selecting a site model in building construction information within the BIM database;
a data model building module: a data model for planning a wiring path based on the selected cable model and location coordinates of the site model.
The technical scheme of the invention has the following beneficial effects:
according to the technical scheme, the wiring path is planned through the built BIM database, and the planned path is optimized, so that the wiring path is optimally designed before construction, and the aims of reducing the construction cost and reducing the later maintenance time are fulfilled.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a flowchart of a wiring method based on BIM technology according to an embodiment of the present invention;
fig. 2 is a flowchart of an embodiment of integrated wiring implementation based on the BIM technique;
fig. 3 is a flowchart of optimization by using a particle swarm algorithm according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The intelligent wiring technology is used for managing hardware and software of comprehensive wiring, and is used for optimizing wiring in site construction by using an intelligent algorithm so as to prevent the problem of line collision. The error of artificially managing comprehensive wiring is avoided, and the workload of maintenance workers is reduced. And further reduces maintenance costs and downtime. The particle swarm optimization is an efficient global optimization search strategy, and the optimizing performance and the optimizing speed of the particle swarm optimization are worth being considered by planners.
The BIM technology has the greatest advantage that any building, engineering and equipment can be modeled through the computer-aided technology, so that people can have a complete and visual image, and the BIM technology has the visual advantage. In railway signal construction engineering, model building is carried out on signal equipment according to characteristics of appearance, functions and the like of the signal equipment, construction result switching is carried out on construction units in a three-dimensional mode, engineering handover acceptance standards are unified to the maximum extent, and the unity of construction and design drawings is ensured. Meanwhile, due to the visualization and reasonable planning and wiring of the design result handover, the cost is greatly reduced, careless mistakes of the project in the design link are reduced, and the optimized line can be changed conveniently at any time. In addition, the design result completed by adopting the BIM technology can add attributes to the equipment model in the virtual system, so that the characteristics and installation of the equipment are clear. Meanwhile, the relationship between different systems and different specialties is shown to the greatest extent.
As shown in fig. 1, a wiring method based on the BIM technology includes:
constructing a BIM database, wherein the BIM database comprises a cable model and building construction information;
performing wiring path planning based on the BIM database;
and optimizing the planned wiring path to obtain the optimized wiring path.
As a specific implementation manner of the embodiment of the present invention, the method further includes:
and visually displaying the cable model and the building construction information in the BIM database.
The cable model and the building structure information in the BIM database can be visualized after the wiring path planning is carried out based on the BIM database, the planned wiring path can also be optimized to obtain the optimized wiring path, or the planned wiring path is optimized to obtain the optimized wiring path, the data cable model and the building structure information in the BIM database are displayed to a user through a display device in a visualized display mode, the user selects proper cable model and building structure information according to the displayed information, in the wiring path planning, the user can also add personalized requirements according to the displayed information, the planned wiring path is optimized to obtain the optimized wiring path, the user can still add personalized requirements according to the displayed information, and the optimized wiring path is planned and optimized again.
As a specific implementation manner of the embodiment of the present invention, after the displaying the cable model and the building structure information in the BIM database, the method includes:
and modifying the cable model and the building construction information in the BIM database according to the display result.
As a specific implementation manner of the embodiment of the present invention, the planning of the wiring path based on the BIM database includes:
selecting a cable model within the BIM database;
selecting a site model in building construction information within the BIM database;
planning a data model of a wiring path based on the selected cable model and the location coordinates of the site model.
As a specific implementation manner of the embodiment of the present invention, the optimizing the planned wiring path includes:
and optimizing the wiring path by using a particle swarm algorithm.
As a specific implementation manner of the embodiment of the invention, in the optimization of the wiring path by using the particle swarm optimization,
and using cost calculation as a constraint function, and performing optimization calculation by using the most reasonable space as an objective function.
As a specific implementation of an embodiment of the present invention,
on the other hand, the embodiment of the invention also discloses a wiring device based on the BIM technology, which comprises the following components:
a database construction unit: for constructing a BIM database, the BIM database comprising cable models and building construction information;
a planning unit: the BIM database is used for planning a wiring path;
an optimization unit: and the method is used for optimizing the planned wiring path to obtain the optimized wiring path.
As a specific implementation manner of the embodiment of the invention, the database construction unit comprises a cable information model database management module, a building structure information model management module, an information integration display module and a BIM database,
the cable information model database management module is used for constructing a cable model based on cable information and storing the constructed cable model to a BIM database;
the building structure information model management module is used for receiving building structure information and storing the building structure information to a BIM database;
and the information integration display module is used for visually displaying the cable model and the building structure information in the BIM database.
As a specific implementation manner of the embodiment of the present invention, the method further includes:
a modification unit: and the BIM is used for modifying the cable model and the building construction information in the BIM database according to the display result.
As a specific implementation manner of the embodiment of the present invention, the planning unit includes:
a cable model selection module: for selecting a cable model within the BIM database;
a site model selection module: for selecting a site model in building construction information within the BIM database;
a data model building module: a data model for planning a wiring path based on the selected cable model and location coordinates of the site model.
In the embodiment of the invention, the BIM technology is utilized to visually monitor the cable model, the station building internal structure information and the actual construction wiring process, the particle swarm algorithm is utilized to optimize the wiring path, and the selected path cost and the electrical performance estimation are used as constraint conditions.
As shown in fig. 2, the BIM database is used to store the cable model and its station building internal structure information. The system comprises a cable information model database management module and a building structure information model management module, wherein the cable information model database management module is used for executing BIM design modeling according to a design modeling command and storing a created cable model in a BIM database; the system comprises a building structure information model management module, a cable model management module and a station building information management module, wherein the building structure information model management module is used for designing and modifying a model and station building internal structure information and feeding back wiring construction information according to the cable model and relevant building structure information thereof; the information integration display platform is connected with the BIM database and used for checking the cable model and the station house internal structure information thereof and visually displaying the actual wiring construction.
The wiring path mainly considers the relationship between the cable model and the station house internal structure information. The cable model comprises a geometric model and a topological model of the cable, and the wiring path is researched by the geometric topological attribute of the spatial data of the inherent information of different station structures. By extracting and storing relative position information (such as connectivity, region definition, adjacency and the like) between the ground objects, absolute address information stored in the coordinate file is not required to be accessed. After spatial data are extracted from the equipment management database, the data are converted through the data preprocessing and re-modeling functional module, and an object-oriented data base required by path optimization search can be generated.
The path optimization process adopting the particle swarm algorithm as an optimization mechanism is a calculation functional module independent of the system. And optimizing by using cost calculation as a constraint function and the most reasonably used space as an objective function. And the online visualization of the search result is performed through the information integration display stand. The steps of the particle swarm algorithm are shown in FIG. 3.
In a specific application, a designer carries out BIM design modeling through a database management module according to the building engineering information and stores a created cable model into a database;
BIM design modeling was performed using Bentley software.
Constructors acquire the cable model and the station house internal structure information through an information application module of the BIM database to carry out construction, and feed back modification information to the BIM;
the station building internal structure information can be imported into the building structure information model management module by a constructor.
The owner acquires the cable model and the visual display of the station house internal structure information through the information integration display platform, and the owner feeds back modification information to the cable model.
As shown in fig. 2, the intelligent wiring system is used for reasonably placing the cable model by utilizing the environment of the actual construction site. Firstly, selecting a proper cable model from a BIM database, selecting a proper field model from a building structure information model management module, carrying out data processing on the position coordinates, and establishing a proper data model. The data model is established by the following steps: and further refining the path layer according to the spatial topological relation of the path layer to establish an object-oriented data model of the path. The refined path network is characterized by four parts, namely nodes, along-path lines, over-path lines and path separation blocks. Therefore, an object-oriented data model of the node-based path network supporting the particle swarm optimization can be established.
The topology information of all paths is stored in the corresponding structure information system database. The constraint function considers factors such as investment cost (route length, equipment materials), electrical performance and the like, and the objective function considers maximization of the reasonable degree of the actual position. The convergence index is the iteration number which reaches 30 times (the index change rate of the optimization process is very small after the general iteration number reaches 150 times). And displaying the path obtained after the optimization of the particle swarm algorithm in the intelligent wiring system. It should be particularly noted that this method searches for a closed loop path.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A wiring method based on BIM technology is characterized by comprising the following steps:
building a BIM database, wherein the BIM database comprises cable models and building construction information;
performing wiring path planning based on the BIM database;
optimizing the planned wiring path to obtain an optimized wiring path;
the routing path planning based on the BIM database comprises the following steps:
selecting a cable model within the BIM database;
selecting a site model in building construction information within the BIM database;
planning a data model of a wiring path based on the selected cable model and the position coordinates of the field model;
the optimizing the planned wiring path includes:
optimizing the wiring path by utilizing a particle swarm algorithm;
in the optimization of the wiring path by using the particle swarm optimization,
the cost calculation is used as a constraint function, and the optimal space is used as an objective function to perform optimization calculation.
2. The BIM technology-based wiring method according to claim 1, further comprising:
and visually displaying the cable model and the building construction information in the BIM database.
3. The BIM technology-based wiring method according to claim 2, wherein after the displaying of the cable model and the building construction information in the BIM database, the method comprises the following steps:
and modifying the cable model and the building structure information in the BIM database according to the display result.
4. A wiring device based on BIM technology, comprising:
a database construction unit: for constructing a BIM database, the BIM database comprising cable models and building construction information;
a planning unit: the BIM database is used for planning a wiring path;
an optimization unit: the system is used for optimizing the planned wiring path to obtain an optimized wiring path;
the planning unit comprises:
a cable model selection module: for selecting a cable model within the BIM database;
a site model selection module: for selecting a site model in building construction information within the BIM database;
a data model building module: a data model for planning a routing path based on the selected location coordinates of the cable model and the site model;
the optimizing the planned wiring path includes:
optimizing the wiring path by utilizing a particle swarm algorithm;
in the optimization of the wiring path by using the particle swarm optimization,
the cost calculation is used as a constraint function, and the optimal space is used as an objective function to perform optimization calculation.
5. The BIM technology-based wiring device according to claim 4, wherein the database construction unit comprises a cable information model database management module, a building structure information model management module, an information integration display module and a BIM database,
the cable information model database management module is used for constructing a cable model based on cable information and storing the constructed cable model to a BIM database;
the building structure information model management module is used for receiving building structure information and storing the building structure information to a BIM database;
and the information integration display module is used for visually displaying the cable model and the building structure information in the BIM database.
6. The BIM technology-based wiring device according to claim 4, further comprising:
a modification unit: and the BIM is used for modifying the cable model and the building construction information in the BIM database according to the display result.
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| CN111079339B (en) * | 2019-12-25 | 2023-10-27 | 三峡大学 | Bin face construction space-time conflict quantitative calculation method based on time integral |
| CN112231790B (en) * | 2020-08-27 | 2024-04-26 | 金华送变电工程有限公司 | BIM-based layout method for power utilization lines in engineering construction |
| CN112906098A (en) * | 2021-01-15 | 2021-06-04 | 珠海新势力创建筑设计有限公司 | Automatic path finding method and device for exhaust pipe of motor vehicle garage |
| CN113343593B (en) * | 2021-08-05 | 2021-10-29 | 佛山市陶风互联网络科技有限公司 | Home decoration wiring planning management method, system and storage medium based on neural network |
| CN114912178B (en) * | 2022-05-19 | 2022-12-23 | 广州市创博机电设备安装有限公司 | Heating ventilation air conditioning equipment installation method and system based on BIM |
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