Method for detecting non-geometrical characteristic information of four-electric engineering part model

A technology of non-geometric features and engineering components, which is applied in the field of detecting non-geometric feature information of four electrical engineering component models, to achieve the effect of improving versatility and effectiveness

Inactive Publication Date: 2020-09-15
CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The purpose of the present invention is to provide a method for detecting the non-geometric feature information of the four-power project component model, to solve the normative problem of the data exchange of the railway four-power BIM model, and to provide standard format data for the railway four-power BIM design, construction, operation and maintenance stages delivery guarantee

Method used

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  • Method for detecting non-geometrical characteristic information of four-electric engineering part model
  • Method for detecting non-geometrical characteristic information of four-electric engineering part model

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Step 1, select "underground communication backbone cables and optical cables of underground lines should use halogen-free, low-smoke flame-retardant materials, and should have a protective layer against electrification interference." as the first embodiment. Extract the entity objects: underground lines, communication backbone cables and communication backbone optical cables, attribute constraints: the materials used and the characteristics of the protective layer, association relationship: "include" (underground lines include communication backbone cables and communication backbone optical cables);

[0062] The specific process of step 1 is as follows:

[0063] Step 1.1, determine that "communication backbone cables and optical cables of underground lines should use halogen-free, low-smoke flame-retardant materials, and should have a protective layer against electrification interference." In the underground lines, communication backbone cables and communication backbone...

Embodiment 2

[0077] Step 1. Select "the optical fiber modulus of the communication backbone optical cable should be single-mode" in the railway four electricity as the second embodiment, extract the entity object: communication backbone optical cable, attribute constraint: optical fiber modulus.

[0078] Step 2, after comparing with the IFC standard, the specification information that needs to be expanded in the IFC standard is the attribute constraint - fiber modulus;

[0079] Step 3, combined with the information characteristics of the railway four-power project, select the corresponding IFC model extension mechanism, and establish the IFC data model framework;

[0080] The specific process of step 3 is as follows:

[0081] Step 3.1, on the basis of the previous example, it is judged that the specification information that needs to be extended is the attribute type and execute step 3.3;

[0082] Step 3.3, on the basis of the physical communication backbone cable (IfcCommunicationBackbon...

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Abstract

The invention relates to a method for detecting non-geometrical characteristic information of a four-electric engineering part model, which comprises the following steps of: establishing a standard part system based on a railway four-electric BIM information storage standard entity library, defined entity objects, attribute constraints and association relationships; the system is used for matchingand fusing an IFC standard framework; establishing an IFC data model framework based on a railway four-electricity BIM information storage standard; standard detection software of an IFC data model framework based on the railway four-electricity BIM information storage standard is established, the detection software serves as BIM modeling software to obtain entity information, and the superimposed attribute information is properly matched with the standard data model framework; bIM software is adopted to construct a railway four-electricity BIM information model conforming to the standard part framework, and an IFC data format is exported. Based on the international IFC standard, the application and development of the BIM technology in railway four-electric engineering can be further promoted on the premise of expanding the standard information of railway four-electric parts in China.

Description

technical field [0001] The invention belongs to the technical field of railway four-electricity information models, and in particular relates to a method for detecting non-geometric feature information of four-electricity engineering component models. Background technique [0002] Building Information Modeling (Building Information Modeling, BIM) technology is a digital tool applied to engineering design, construction, and management. Share and transfer in the center, so that engineering and technical personnel can correctly understand and efficiently respond to various building information, and provide a basis for collaborative work for the design team and all construction entities including construction and operation units, improving production efficiency and saving energy. Play an important role in cost and shorten the construction period. [0003] With the continuous development of emerging technologies such as information technology and BIM three-dimensional technology...

Claims

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Application Information

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IPC IPC(8): G06T17/10G06F16/28
CPCG06T17/10G06F16/288
Inventor 韩旻志路长平刘宸荣
Owner CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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