CN113379891A - Old heat supply station transformation method based on point cloud scanning - Google Patents
Old heat supply station transformation method based on point cloud scanning Download PDFInfo
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Abstract
The invention discloses a point cloud scanning-based old heating station reconstruction method, which comprises the following steps: step S1: acquiring point cloud data of old heat supply stations; step S2: preprocessing the acquired point cloud data; step S3: importing the point cloud data into SP3D software, modeling equipment and pipelines in a key area, and adding attribute information; step S4: importing the point cloud data into 3dMax software, and modeling non-key equipment, facilities and building structures to form a real scene model; step S5: importing the real scene model in the step S4 into the model with the attribute information in the step S3 to form a complete three-dimensional model of the total station; step S6: and (4) on the basis of the complete three-dimensional model formed in the step (S5), carrying out old heat supply station reconstruction design to form a design scheme. The implementation of the invention reduces the manual work and time consumption of site survey, measurement and data recovery, improves the design accuracy, and reduces the use time of purchasing and construction links and the error rate.
Description
Technical Field
The invention relates to the field of heat supply station transformation, in particular to an old heat supply station transformation method based on point cloud scanning.
Background
The heat supply station has the characteristics of complex process flow, more equipment and facilities, criss-cross pipelines and the like, the heat supply station with longer built age is repeatedly reconstructed, basic data is lost, and in order to ensure the accuracy of reconstruction design, designers need to repeatedly investigate on site to master site data and conditions and reconstruct the data, which wastes time and labor. Conventional field mapping techniques also fail to meet the large, detailed survey demands of the project. When partial dismantling and new construction of equipment pipelines are needed, the statistical deviation of workload is large, and the phenomena of errors, reworking, material waste and the like in the design, purchase and construction processes are caused because the connection, collision and the like of new and old equipment facilities cannot be accurately foreseen.
Disclosure of Invention
The invention aims to provide a method for quickly reconstructing basic data, guiding and directly using the basic data for reconstruction design and improving the working efficiency and the design precision when an old heating station is reconstructed, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an old heating station transformation method based on point cloud scanning comprises the following steps: step S1: acquiring point cloud data of old heat supply stations; step S2: preprocessing the acquired point cloud data; step S3: importing the point cloud data into SP3D software, modeling equipment and pipelines in a key area, and adding attribute information; step S4: importing the point cloud data into 3dMax software, and modeling non-key equipment, facilities and building structures to form a real scene model; step S5: importing the real scene model in the step S4 into the model with the attribute information in the step S3 to form a complete three-dimensional model of the total station; step S6: and (4) on the basis of the complete three-dimensional model formed in the step (S5), carrying out old heat supply station reconstruction design to form a design scheme.
Further, the step S2 includes: and carrying out registration, filtering, denoising, splicing and classification on the point cloud data to form station scanning point cloud data and a panoramic image.
Further, the step S3 includes: and capturing, cutting and extracting the pipeline information and the equipment information of the key area through point cloud scanning, and adding attribute information.
Compared with the prior art, the invention has the beneficial effects that:
the invention obtains the point cloud data and panoramic images of the complicated current situation of the modified station yard through point cloud scanning, replaces on-site survey and a large amount of data measurement and recovery work, quickly establishes the station yard three-dimensional model meeting the modification requirements and the digitization requirements through point cloud model processing and various software combined modeling, realizes the accurate design and the engineering quantity statistics of the modified station yard on the basis of the point cloud model processing and the software combined modeling, reduces the labor time investment, shortens the design period, improves the design precision and the quality, reduces the deviation and the rework of purchasing and construction links, accelerates the construction progress, and can complete the delivery of digitized results.
Drawings
FIG. 1 is a flow chart of an old heating plant reconstruction method based on point cloud scanning according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
An old heating station transformation method based on point cloud scanning comprises the following steps: step S1: acquiring point cloud data of old heat supply stations; step S2: preprocessing the acquired point cloud data; specifically, the acquired point cloud data is subjected to registration, filtering, denoising, splicing, classification and other processing to form station scanning point cloud data and a panoramic image, then the processed point cloud data is imported into editing processing software, and meanwhile, the color point cloud and the panoramic image are combined to complete data measurement, replace field reconnaissance, station panoramic display, scheme planning and designing transformation and other operations; step S3: importing the point cloud data into SP3D software, building pipeline and equipment models for pipelines and equipment involved in the reconstruction project through point cloud capture, cutting, extraction of pipeline central lines, equipment sizes and the like, and adding attribute information; the attribute information refers to equipment position number, nozzle specification, pressure grade, flange type and the like, the pipeline attribute information refers to information such as pipeline specification, pressure grade, medium attribute, material, pipe fitting specification, material grade and the like, and the information is matched with a pipeline and a flange with corresponding attributes when used for three-dimensional factory modeling to carry out three-dimensional piping, otherwise, an error is reported; and when the final chart or display is carried out, the attribute information is used for displaying or automatically counting the workload of disassembling and changing and the like. Step S4: importing the point cloud data into 3dMax software, modeling non-key equipment, facilities, building structures and the like, extracting point, line and surface coordinate information through the point cloud data, building a geometric entity model without attribute information, changing materials through a chartlet, and obtaining a real scene model; step S5: importing the real scene model in the step S4 into the model with the attribute information in the step S3 to form a complete three-dimensional model of the total station; after both software modeling were completed, merging was performed in SP 3D. 3d max model introduction SP3D steps were as follows: firstly, exporting a model file in a dxf format after 3DMax modeling is completed, and converting the model file into a zvf format through eagle map SPIOP software; secondly, the converted zvf model file is referred to SP3D through the Project Management administrator module of SP 3D; a Referen3D Model is newly created, specifying a reference Model folder and reference Model coordinate information. And thirdly, after adding a reference model, the Project Management enters the SP3D, the reference model is selected from the filter, namely, the reference 3DMax model can be displayed in the SP3D modeling interface, and other object modeling can be continued in the SP3D based on the reference model. Step S6: and (4) performing old heating plant reconstruction design on the basis of the complete three-dimensional model formed in the step (S5) to form a design scheme, specifically, directly performing reconstruction design operation on the basis of the three-dimensional model established in the step (S5), removing old equipment facilities and pipelines, connecting newly-built equipment and pipelines, after design is completed, providing a design drawing covering the original model and the newly-built part, automatically counting engineering reconstruction engineering quantity, and finally forming a reconstruction station digital design and management file.
Taking the construction of heat supply station transformation engineering in the heat supply transformation project of a certain base in an oil field as an example, in the project, the construction of the heat supply station needs to be carried out to remove partial equipment and pipelines, construct a heat supply system newly, repair and promote transformation design work such as an electrical instrument control system and the like. The station has been built for many years, and the internal equipment facilities are old, and the drawing data matched with the current situation of the heating station cannot be found after a plurality of times of transformation. Each professional designer needs to perform works such as on-site investigation, manual measurement and restoration of basic drawings, removal and modification workload estimation and the like. Meanwhile, the original oilfield base heating station reconstruction project also comprises 28 heating station reconstruction places, so that the labor consumption and the time consumption are extremely large.
The invention provides a method for a heating station reconstruction design by point cloud data combined modeling, which comprises the following steps:
1) and performing total-station three-dimensional laser scanning on the construction heat supply station, and finishing the collection work of point cloud data and panoramic images of the total station at a scanning station 79.
2) And preprocessing the point cloud data by using Cyclone software, splicing and coloring the images of all scanning stations and the point cloud data to form a total station point cloud model, and presenting a gray point cloud, a color point cloud, a reflection point cloud data model and a panoramic image.
3) Through the functions of browsing, checking and editing point cloud data, the work of data measurement, panoramic image reconnaissance, primary design of a transformation scheme and the like can be completed, and the field work process is replaced.
4) The point cloud data is imported into SP3D software through CloudWrox software, fitting and modeling are carried out on a point cloud model by applying SP3D to pipelines and equipment which need to be modified and need to provide specific information, attribute information is given to the model through a built level library, and a three-dimensional design model which can be edited is formed.
5) And (3) importing the point cloud data into 3D Max software through CloudWrox software, and carrying out 3D Max modeling and photo mapping on plants, equipment foundations, steel structures, facilities which do not need to be modified and the like to form a three-dimensional live-action display model.
6) And combining the three-dimensional design model and the display model, performing modification design operations such as equipment pipeline dismantling, newly building heating system equipment and pipelines and the like in SP3D software, and counting the engineering quantity after the design is completed.
The invention solves the problems of lack of basic data for old station, large workload, low efficiency, high error rate of statistics of demolition engineering volume and the like in the prior art when station data are manually measured and recovered, provides a combined modeling mode which is particularly suitable for the design of the station, can completely express model information of the whole station, can also provide data information of key areas, and improves the working efficiency and the design quality of old station reconstruction.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A point cloud scanning-based old heating station reconstruction method is characterized by comprising the following steps:
step S1: acquiring point cloud data of old heat supply stations;
step S2: preprocessing the acquired point cloud data;
step S3: importing the point cloud data into SP3D software, modeling equipment and pipelines in a key area, and adding attribute information; the attribute information includes: the pipeline attribute information refers to the pipeline specification, the pressure grade, the medium attribute, the material, the pipe fitting specification and the material grade;
step S4: importing the point cloud data into 3dMax software, and modeling non-key equipment, facilities and building structures to form a real scene model;
step S5: importing the real scene model in the step S4 into the model with the attribute information in the step S3 to form a complete three-dimensional model of the total station;
step S6: and (4) on the basis of the complete three-dimensional model formed in the step (S5), carrying out old heat supply station reconstruction design to form a design scheme.
2. The old heating plant reconstruction method based on point cloud scanning as claimed in claim 1, wherein the step S2 includes: and carrying out registration, filtering, denoising, splicing and classification on the point cloud data to form station scanning point cloud data and a panoramic image.
3. The old heating plant reconstruction method based on point cloud scanning as claimed in claim 1, wherein the step S3 includes: and capturing, cutting and extracting the pipeline information and the equipment information of the key area through point cloud scanning, and adding attribute information.
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| CN101950433A (en) * | 2010-08-31 | 2011-01-19 | 东南大学 | Building method of transformer substation three-dimensional model by using laser three-dimensional scanning technique |
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| CN103606151A (en) * | 2013-11-15 | 2014-02-26 | 南京师范大学 | A wide-range virtual geographical scene automatic construction method based on image point clouds |
| CN106600690A (en) * | 2016-12-30 | 2017-04-26 | 厦门理工学院 | Complex building three-dimensional modeling method based on point cloud data |
| CN107093206A (en) * | 2017-04-20 | 2017-08-25 | 中铁十局集团电务工程有限公司 | The method modeled using 3D laser scanner technique fast Bs IM |
| CN111241615A (en) * | 2019-12-31 | 2020-06-05 | 国网山西省电力公司晋中供电公司 | Highly realistic multi-source fusion three-dimensional modeling method for transformer substation |
-
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- 2021-04-30 CN CN202110480074.XA patent/CN113379891A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950433A (en) * | 2010-08-31 | 2011-01-19 | 东南大学 | Building method of transformer substation three-dimensional model by using laser three-dimensional scanning technique |
| CN102393962A (en) * | 2011-06-30 | 2012-03-28 | 清华大学 | Three-dimensional model evaluating method and device based on point-cloud data |
| CN103606151A (en) * | 2013-11-15 | 2014-02-26 | 南京师范大学 | A wide-range virtual geographical scene automatic construction method based on image point clouds |
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