1. The method for creating the information model of the four-electricity BIM engineering complex cabinet equipment in the rail transit is characterized by comprising the following steps of:

the method comprises the following steps:

s1: the method comprises the steps of combing equipment cabinets and equipment in the equipment cabinets in the four-electricity BIM project of the rail transit, establishing a data information base, and establishing equipment information tables in the equipment cabinets and the equipment cabinets;

s2: defining the information models of the cabinet and the equipment in the cabinet as low-precision models according to design requirements, and manufacturing the cabinet and the equipment information models in the cabinet according to the precision requirements;

s3: the cabinet meeting the design period requirement, the cabinet information model and the data table in the database establish a corresponding relation, and the model information is stored in the database;

s4, defining the information models of the cabinet and the equipment in the cabinet as high-precision models according to construction and operation and maintenance requirements, and manufacturing the information models of the cabinet and the equipment in the cabinet according to the precision requirements;

s5: the corresponding relation is established between the cabinet and the information model in the cabinet meeting the requirements of the construction and operation and maintenance period and the data table in the database, and the model information is stored in the database;

s6: when browsing in a four-electric BIM engineering model of the rail transit, selecting a low-precision model for an indoor cabinet and an equipment information model in the cabinet, and reducing the bearing pressure of a lightweight display platform on big data;

s7: when the rail transit four-electricity BIM engineering model needs to be applied in construction and operation and maintenance, the high-precision cabinet model and the equipment model in the cabinet corresponding to the low-precision cabinet model are independently loaded by selecting the low-precision cabinet model, and meanwhile, relevant information data are taken out from the database, and the high-precision information model is independently displayed and applied.

2. The rail transit four-electrical BIM engineering complex cabinet equipment information model creation method according to claim 1, characterized in that:

in step S1, the cabinet table includes a cabinet ID, a cabinet name, an equipment type code, a manufacturer, and a three-dimensional model ID, and the in-cabinet equipment table includes an equipment ID, an equipment name, an equipment type code, a manufacturer, and a three-dimensional model ID.

3. The rail transit four-electrical BIM engineering complex cabinet equipment information model creation method according to claim 2, characterized in that:

in step S2, the cabinets and the devices in the cabinets are classified, the geometric dimensional accuracy of the information model is specified to only satisfy the space occupation, and the low-accuracy models of the cabinets and the devices in the cabinets are manufactured by three-dimensional modeling software.

4. The rail transit four-electrical BIM engineering complex cabinet equipment information model creation method according to claim 3, characterized in that:

in step S3, a cabinet and in-cabinet device dependency relationship table is established, and low-precision information models are associated through association of the cabinet ID and the in-cabinet device ID.

5. The rail transit four-electrical BIM engineering complex cabinet equipment information model creation method according to claim 4, characterized in that:

in step S4, the four-electric professional cabinet and the equipment in the cabinet are combed, the cabinet and the equipment in the cabinet are classified, the geometric dimension precision of the specified information model meets the requirements of high-precision rendering display, product management and manufacturing and processing preparation, and the high-precision model manufacturing of the cabinet and the equipment in the cabinet is realized through three-dimensional modeling software.

6. The rail transit four-electrical BIM engineering complex cabinet equipment information model creation method according to claim 5, characterized in that:

in step S5, the equipment information is stored in the data table according to the equipment classification in the cabinet and the equipment classification in the cabinet that satisfy the construction and operation precision, and is associated with the high-precision information model by ID matching.

7. The rail transit four-electrical BIM engineering complex cabinet equipment information model creation method according to claim 6, characterized in that:

in step S6, in the established rail transit BIM engineering model platform, the low-precision model established in step S2 is selected as the cabinet and in-cabinet device information model of the four-station system, so as to satisfy the browsing and querying function of the cabinet and in-cabinet devices in the rail transit BIM engineering model.

8. The rail transit four-electrical BIM engineering complex cabinet equipment information model creation method according to claim 7, characterized in that:

in the step S7, when the rail transit BIM engineering model needs to be applied in construction and operation and maintenance, the low-precision model established in the step S2 is selected, the corresponding high-precision model is extracted by obtaining the relational data tables established in the steps S3 and S5 in the database, and the high-precision model is independently loaded and independently displayed, so that the requirements of construction and operation and maintenance on the cabinet and the high-precision model of the equipment in the cabinet are met, and the actual application requirements are met.

Background

The high-speed railway in China is based on technical customs clearance and engineering construction of Jingzhang high-speed railway, Jingzhong intercity railway, new technologies such as cloud computing, big data, Internet of things, mobile interconnection, artificial intelligence, Beidou navigation and BIM are adopted, resources are comprehensively and efficiently utilized, an intelligent high-speed railway technical system architecture 1.0 facing intelligent construction, intelligent equipment and intelligent operation is constructed by improving the interconnection perception, fusion processing, active learning and scientific decision-making capability of information among high-speed railway mobile equipment, fixed infrastructure, internal and external environments, complete technical solutions including relevant core key technologies, mobile equipment, standard specifications, big data application and the like are provided, modernization of the engineering construction, operation management and service rate of the high-speed railway in China is promoted, and strong support is provided for realizing the three world leaders and three further promotion targets of the high-speed railway in China.

In recent years, a great deal of results are obtained in the research and application of the railway digital engineering technology taking the BIM technology as a mark, a railway BIM system taking the railway BIM standard, technology and application as main frameworks is basically formed, and a foundation is laid for the development of railway digital engineering authentication work.

At present, China railway has creatively proposed a railway engineering construction information theoretical system, and an informatization series standard which is suitable for the railway engineering construction field is compiled, thereby filling the industry blank. Based on the concept of 'standard first', the top-level planning is carried out on the railway engineering construction informatization standard to form an organically-fused standard system, 4 basic standards (EBS, PBS, OBS and WBS), 13 terminal interface standards and 13 service application technical standards of a railway engineering construction platform are issued in sequence, the overall integration, the seamless data connection, the information fusion interaction and the service standard development of all railway engineering construction parties are realized, and the standard support is provided for the railway engineering informatization construction.

In 2013, the combination of the railway head office and 7 council units initiates and establishes the BIM alliance of the China railway. A complete BIM standard system is established by relying on the railway BIM alliance, and comprises two parts, namely a technical standard and an implementation standard. The technical standards are divided into a data storage standard, an information semantic standard and an information transmission standard, the main aim of the method is to realize interoperability between different participants and heterogeneous information systems in the whole life cycle of a railway construction project, the method is used for guiding and standardizing railway BIM software development, and the method is mainly oriented to IT tools. Because the BIM technology is applied to the four-electricity field of rail transit through the whole life cycle of design, construction, operation and maintenance, the establishment of the information model of the complex cabinet equipment of the engineering has different precision requirements in the whole life cycle.

Disclosure of Invention

The invention aims to provide a method for creating a four-electricity BIM engineering complex cabinet equipment information model for rail transit, wherein the four-electricity BIM engineering complex cabinet equipment information model created by the method can run through the whole life cycle, meet different precision requirements of a design period, a construction period and an operation and maintenance period, so that the information model not only meets three-dimensional display, but also truly realizes the real availability of the construction period and the operation and maintenance period.

The technical scheme adopted by the invention is as follows:

the method for creating the information model of the four-electricity BIM engineering complex cabinet equipment in the rail transit is characterized by comprising the following steps of:

the method comprises the following steps:

s1: the method comprises the steps of combing equipment cabinets and equipment in the equipment cabinets in the four-electricity BIM project of the rail transit, establishing a data information base, and establishing equipment information tables in the equipment cabinets and the equipment cabinets;

s2: defining the information models of the cabinet and the equipment in the cabinet as low-precision models according to design requirements, and manufacturing the cabinet and the equipment information models in the cabinet according to the precision requirements;

s3: the cabinet meeting the design period requirement, the cabinet information model and the data table in the database establish a corresponding relation, and the model information is stored in the database;

s4, defining the information models of the cabinet and the equipment in the cabinet as high-precision models according to construction and operation and maintenance requirements, and manufacturing the information models of the cabinet and the equipment in the cabinet according to the precision requirements;

s5: the corresponding relation is established between the cabinet and the information model in the cabinet meeting the requirements of the construction and operation and maintenance period and the data table in the database, and the model information is stored in the database;

s6: when browsing in a four-electric BIM engineering model of the rail transit, selecting a low-precision model for an indoor cabinet and an equipment information model in the cabinet, and reducing the bearing pressure of a lightweight display platform on big data;

s7: when the rail transit four-electricity BIM engineering model needs to be applied in construction and operation and maintenance, the high-precision cabinet model and the equipment model in the cabinet corresponding to the low-precision cabinet model are independently loaded by selecting the low-precision cabinet model, and meanwhile, relevant information data are taken out from the database, and the high-precision information model is independently displayed and applied.

In step S1, the cabinet table includes a cabinet ID, a cabinet name, an equipment type code, a manufacturer, and a three-dimensional model ID, and the in-cabinet equipment table includes an equipment ID, an equipment name, an equipment type code, a manufacturer, and a three-dimensional model ID.

In step S2, the cabinets and the devices in the cabinets are classified, the geometric dimensional accuracy of the information model is specified to only satisfy the space occupation, and the low-accuracy models of the cabinets and the devices in the cabinets are manufactured by three-dimensional modeling software.

In step S3, a cabinet and in-cabinet device dependency relationship table is established, and low-precision information models are associated through association of the cabinet ID and the in-cabinet device ID.

In step S4, the four-electric professional cabinet and the equipment in the cabinet are combed, the cabinet and the equipment in the cabinet are classified, the geometric dimension precision of the specified information model meets the requirements of high-precision rendering display, product management and manufacturing and processing preparation, and the high-precision model manufacturing of the cabinet and the equipment in the cabinet is realized through three-dimensional modeling software.

In step S5, the equipment information is stored in the data table according to the equipment classification in the cabinet and the equipment classification in the cabinet that satisfy the construction and operation precision, and is associated with the high-precision information model by ID matching.

In step S6, in the established rail transit BIM engineering model platform, the low-precision model established in step S2 is selected as the cabinet and in-cabinet device information model of the four-station system, so as to satisfy the browsing and querying function of the cabinet and in-cabinet devices in the rail transit BIM engineering model.

In the step S7, when the rail transit BIM engineering model needs to be applied in construction and operation and maintenance, the low-precision model established in the step S2 is selected, the corresponding high-precision model is extracted by obtaining the relational data tables established in the steps S3 and S5 in the database, and the high-precision model is independently loaded and independently displayed, so that the requirements of construction and operation and maintenance on the cabinet and the high-precision model of the equipment in the cabinet are met, and the actual application requirements are met.

The invention has the following advantages:

(1) and establishing a complex cabinet information model meeting various stages according to different requirements of four-electricity design, construction and operation and maintenance of rail transit.

(2) The created complex cabinet information model can iterate information in the stages of design, construction and operation and maintenance, and the information model can be applied in the whole life cycle.

(3) The problem of the lightweight platform bear the weight of big complicated railway four electric information model ability not enough is solved.

Drawings

FIG. 1 is a flow chart of the main steps provided by the embodiment of the present invention.

Fig. 2 is a schematic diagram of classification and encoding of information models of a four-station communication cabinet and equipment in the cabinet in rail transit.

Fig. 3 is a diagram of configuration information of equipment in a track traffic four-power telecommunications cabinet.

Fig. 4 is a schematic diagram of a low-precision model of equipment in a four-electric-medium communication cabinet of rail transit.

Fig. 5 is a schematic diagram of a high-precision model of equipment in a four-electric-medium communication cabinet of rail transit.

Fig. 6 is an exploded view of a high-precision model of the equipment in the cabinet.

Detailed Description

The present invention will be described in detail with reference to specific embodiments.

The invention relates to a method for establishing a track traffic four-electricity BIM engineering complex cabinet equipment information model, which meets different precision requirements and is applied to establishing a track traffic four-electricity BIM engineering information model, and the method specifically comprises the following steps:

s1: the method comprises the steps of combing equipment cabinets and equipment in the equipment cabinets in the four-electricity BIM project of the rail transit, establishing a data information base, and establishing equipment information tables in the equipment cabinets and the equipment cabinets;

s2: according to the design standard of the four-electrical engineering of rail transit, defining the information models of the equipment cabinets and the equipment in the equipment cabinets as low-precision models according to design requirements, and manufacturing the information models of the equipment cabinets and the equipment in the equipment cabinets according to the precision requirements;

s3: the cabinet meeting the design period requirement, the cabinet information model and the data table in the database establish a corresponding relation, and the model information is stored in the database;

s4, according to construction quality acceptance standards and maintenance rules of the four-electrical engineering of rail transit, defining the information models of the equipment cabinets and the equipment in the equipment cabinets as high-precision models according to construction and operation and maintenance requirements, and manufacturing the information models of the equipment cabinets and the equipment in the equipment cabinets according to the precision requirements;

s5: the corresponding relation is established between the cabinet and the information model in the cabinet meeting the requirements of the construction and operation and maintenance period and the data table in the database, and the model information is stored in the database;

s6: when browsing in a four-electric BIM engineering model of the rail transit, selecting a low-precision model for an indoor cabinet and an equipment information model in the cabinet, and reducing the bearing pressure of a lightweight display platform on big data;

s7: when the rail transit four-electricity BIM engineering model needs to be applied in construction and operation and maintenance, the high-precision cabinet model and the equipment model in the cabinet corresponding to the low-precision cabinet model are independently loaded by selecting the low-precision cabinet model, relevant information data are taken out from the database, and the high-precision information model is independently displayed and provided for application

In step S1, the equipment cabinet and the equipment in the equipment cabinet in the four-electricity BIM project of the rail transit are combed, a data information base is established, and an equipment cabinet table and an equipment component table in the equipment cabinet are established.

The data table structure is described in detail below:

s101, a Cabinet table TBL _ Cabinet

S102, equipment table TBL _ CabinetDevice in cabinet

Chinese character identification	Name of field	Data type	Main key	Can be empty
					Device ID	DeviceId	int	Is that	Whether or not
Device name	DeviceName	string		Whether or not
					Device class encoding	EqClsCode	string		Whether or not
Manufacturer of the product	Manufacturer	string		Whether or not
					Three-dimensional model ID	ModelID	int		Whether or not

Description of the drawings: the equipment type coding needs to meet the classification and coding standards of railway engineering information models.

In step S2, the four-electric professional cabinets and the apparatuses in the cabinets are combed according to the railway communication design specification, the railway signal design specification and the like, the cabinets and the apparatuses in the cabinets are classified according to the design requirements and meet the railway engineering information model classification and coding standard, and as shown in fig. 2, the geometrical dimensions of the information models meet the 2-level geometrical expression precision specified in 4.3.5 items of GBT 51301 plus 2018 building information model design delivery standard, and only the space occupation is met. The low-precision model of the cabinet and the equipment in the cabinet is manufactured through three-dimensional modeling software, the configuration interface of the modeling software cabinet and the equipment in the cabinet is shown in figure 3, and the low-precision cabinet model is generated after configuration is completed, and is shown in figure 4.

In step S3, a cabinet and in-cabinet device dependency relationship table is established, and low-precision information models are associated through association of the cabinet ID and the in-cabinet device ID.

S301 equipment dependency relation table TBL _ CaminetDeviceRel in cabinet

Description of the drawings: model precision type fills in low precision.

In step S4, according to the railway communication engineering construction quality acceptance standard, the railway signal engineering construction quality acceptance standard, the railway communication maintenance rule, the railway signal maintenance rule and the like, four-electric professional cabinets and equipment in the cabinets are sorted, the cabinets and the equipment in the cabinets are classified according to the construction and operation and maintenance requirements and accord with the railway engineering information model classification and coding standard, and the geometric dimensions of the information models are subjected to 4-level geometric expression precision specified in 4.3.5 pieces of GBT 51301 plus 2018 building information model design delivery standard, so that the geometric expression precision of high-precision identification requirements such as high-precision rendering display, product management, manufacturing and processing preparation is met. And the high-precision models of the cabinets and the equipment in the cabinets can be manufactured through three-dimensional modeling software, the high-precision models are shown in figure 5, and the high-precision models of the equipment in the cabinets can be independently decomposed and displayed, such as figure 6.

In step S5, the equipment information is stored in the data table according to the equipment classification in the cabinet and the equipment classification in the cabinet that satisfy the construction and operation precision, and is associated with the high-precision information model by ID matching. S501, equipment subordination relation table TBL _ CaminetDeviceRel in equipment cabinet

Chinese character identification	Name of field	Data type	Main key	Can be empty
					Cabinet ID	CabinetId	int	Is that	Whether or not
Device ID	DeviceId	int	Is that	Whether or not
					Model accuracy type	ModleType	int	Is that	Whether or not

Description of the drawings: model precision type fill-in high precision.

In the step S6, in the established rail transit BIM engineering model platform, the low-precision model established in the step S2 can be selected as the cabinet and in-cabinet device information model of the four-station system, so as to satisfy the browsing and querying functions of the cabinet and in-cabinet devices in the rail transit BIM engineering model.

In the step S7, when the BIM engineering model of the rail transit needs to be applied in construction and operation and maintenance, the low-precision model established in the step S2 is selected, the corresponding high-precision model is extracted by acquiring the relational data tables established in the S3 and the S5 in the database, and the high-precision model is independently loaded and independently displayed, so that the requirements of the construction and operation and maintenance on the cabinet and the equipment in the cabinet are met, and the actual application requirements are met.

The invention covers a method for creating a track traffic four-electricity BIM engineering complex cabinet equipment information model meeting different precision requirements, which comprises the specialties of communication, signals, electric power, contact networks and the like, and the method is limited to the track traffic four-electricity specialties, so that the light display and browsing of large-volume cabinets and equipment models in the cabinet in the track traffic four-electricity BIM engineering model can be realized through low precision, and meanwhile, the application requirements of construction and operation and maintenance periods can be realized through high-precision model association and independent loading.

The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.