CN106370670A - 3D laser scanning based building prefabricated part quality detection system and method - Google Patents
3D laser scanning based building prefabricated part quality detection system and method Download PDFInfo
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- CN106370670A CN106370670A CN201610890977.4A CN201610890977A CN106370670A CN 106370670 A CN106370670 A CN 106370670A CN 201610890977 A CN201610890977 A CN 201610890977A CN 106370670 A CN106370670 A CN 106370670A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The invention provides a 3D laser scanning based building prefabricated part quality detection system and method. Prefabricated part point cloud data is acquired through a master control and scanning of an auxiliary scanner, a 3D scanning mode obtained based on the prefabricated part point cloud data and a design model are compared and analyzed to achieve evaluation of prefabricated part size and surface quality, and the technical problem that size and surface quality detection of an existing industrial building prefabricated concrete part are completed manually and the efficiency is low can be solved.
Description
Technical field
The present invention relates to a kind of building prefabricated components quality detecting system based on 3d laser scanning and method.
Background technology
China's traditional architecture mode of production generally existing buildings and resources high energy consumption, low production efficiency, construction quality and peace
Entirely cause anxiety, the problems such as labor cost is stepped up, shortage of resources is serious.Therefore, building trade is in the urgent need to transition and upgrade.Build
Building industrialization is to realize one of important channel of building industry transition and upgrade, and the emphasis during being also Building Trade in China " 13 " is sent out
Exhibition direction.
It is the pith of building industrialization that assembled type concrete prefabricated part produces at workshop.In order to ensure concrete
The quality of production of native component, the check and evaluation of prefabricated components quality and system administration are most important.Currently, its inspection aspect shape
National standard " Standard for quality inspection and asswssment of precast concrete members " gbj321-90 and provincial standard " precast concrete are become
Component quality touchstone " db11/t 968-2013.Inspection project mainly includes template, reinforcing bar, concrete, component and structure
Performance, wherein prefabricated components size and surface quality detection are crucial detection project.Existing precast concrete quality
By manually to complete, its efficiency is very lowly it is difficult to meet the requirement of building industrialization for detection.Develop a kind of industrialization
Building prefabricated components size and surface quality fast automatic detecting system, it has also become urgently to be resolved hurrily the asking of those skilled in the art
Topic.
In recent years, the brand new technical means utilizing laser radar detection and ranging technology, i.e. 3d laser in development
Scanning technique.Using this technology can large area, in high precision, the three-dimensional coordinate point cloud on non-contactly quick obtaining measurand surface
Data.Therefore, 3d laser scanner technique can be introduced and combine other digitizing technique means, realize industrialized building prefabricated components
Size and the fast automatic detecting of surface quality.
Content of the invention
It is an object of the invention to provide a kind of building prefabricated components quality detecting system based on 3d laser scanning and side
Method, can solve the problem that existing industrialized building precast concrete size and surface quality detection by the effect manually to complete
The low technical problem of rate.
For solving the above problems, the present invention provides a kind of building prefabricated components quality testing system based on 3d laser scanning
System, comprising:
It is arranged at the target on prefabricated components, for the reference point as scanning survey；
It is arranged at the xy driving means on the top of prefabricated components；
It is arranged at the master control scanner in described xy driving means, described xy driving means drive described master control scanner edge
X and/or y direction is moved, and described master control scanner is used for the main part of Scanning Detction prefabricated components and corresponding target, obtains pre-
The cloud data of member body processed；
It is arranged at the hoistable platform of the side of prefabricated components；
It is arranged at the aided scanners on described hoistable platform, described hoistable platform adjusts aided scanners height and position
Put, described aided scanners are used for the Part portions of Scanning Detction prefabricated components and corresponding target, obtain the local of prefabricated components
Cloud data；
Control module, for controlling the locus of described xy driving means and hoistable platform, and then drives described respectively
Master control scanner moves along x and/or y direction and adjusts aided scanners height and position；
Computer, for controlling the Scanning Detction of described master control and aided scanners；
Data processing and inversion evaluation subsystem, comprising:
3d scan data post-processing module, for described prefabricated components main body and local cloud data are carried out dry, repair
Benefit, optimization, the data processing of cloud data registration, coordinate transformation and Model Mounting, obtain the complete point cloud of described prefabricated components
Data；
Module is set up based on the 3d reference model of design data, sets up 3d for the cad drawing according to described prefabricated components
Reference number model；
Based on the 3d model building module of scan data, set up pre- for the complete point cloud data according to described prefabricated components
The 3d scanning digital model of component processed；
Data analysiss evaluation module, for entering to the 3d reference number model of described prefabricated components and 3d scanning digital model
Row relative analyses, according to analysis result and related specifications allowable dimension variation and surface quality requirements, assess described prefabricated components
Quality.
Further, in said system, based on the building prefabricated components quality detecting system of 3d laser scanning, also wrap
Include:
It is arranged at the Quick Response Code mark on described prefabricated components；
Identify the identification module of described Quick Response Code mark, so as to the numbering of automatic identification prefabricated components.
Further, in said system, described xy driving means include:
The y traversing guide that two of the top being arranged at described prefabricated components are parallel to each other, the often end of described y traversing guide
It is provided with guide rail fixing end；
It is arranged on described y traversing guide and perpendicular x direction crossbeam, the two ends setting two of described x direction crossbeam
Individual y direction drives, and x direction crossbeam is provided with x direction and drives, and described master control scanner is by being fixed on what described x direction drove
Lower section.
Further, in said system, also include:
Based on the data storage transport module of engineering foundation class ifc, for based on engineering foundation class ifc technology, to being built
The data of vertical 3d reference number model and 3d scanning digital model is stored, and by the data transfer of described storage to three-dimensional
Visualization model；
Three-dimensional visualization module, for realizing prefabricated components all kinds of mismachining tolerance size and surface according to the data receiving
The 3d visualization display of quality, and display is marked to the prefabricated components not reaching code requirement.
Further, in said system, described mismachining tolerance size includes length, width and height of described prefabricated components, laterally curved
The size of song, surfacing, built-in fitting or reserved location, diagonal difference and warpage.
Further, in said system, described surface quality include reveal muscle, hole, honeycomb, crack, profile appearance lack
Fall into and profile is stain.
According to the another side of the present invention, provide a kind of building prefabricated components quality determining method based on 3d laser scanning,
Including:
Determine the quantity of target according to the situation of prefabricated components, lay target collection after determination and number, lay target and protect
Target intervisibility in card master control and aided scanners visual range；
Xy driving means are adjusted using described control module, makes the vision in described master control scanner for the main body of prefabricated components
In the range of, the position of described hoistable platform is adjusted so that the local of prefabricated components is swept in auxiliary using described control module simultaneously
Retouch in instrument visual range；
Using described computer controls master control scanner, carry out the main part of described prefabricated components and sweeping of corresponding target
Retouch operation, adopt aided scanners described in described computer controls simultaneously, carry out by the local of described prefabricated components and corresponding mark
The scanning operation of target, to obtain described prefabricated components main body and local cloud data；
Using 3d scan data post-processing module described prefabricated components main body and local cloud data are carried out dry, repair
Benefit, optimization, the data processing of cloud data registration, coordinate transformation and Model Mounting, obtain the complete point cloud of described prefabricated components
Data；
Using the 3d model building module based on scan data, the complete point cloud data according to described prefabricated components is set up pre-
The 3d scanning digital model of component processed, sets up module using the 3d reference model based on design data, according to described prefabricated simultaneously
3d reference number model set up by the cad drawing of component；
Using data analysiss evaluation module, the 3d reference number model of described prefabricated components and 3d scanning digital model are entered
Row relative analyses, according to analysis result and related specifications allowable dimension variation and surface quality requirements, assess described prefabricated components
Quality.
Further, in the above-mentioned methods, determine the step of quantity of target according to the situation of prefabricated components before, also wrap
Include:
Prefabricated components front Quick Response Code of laying on described prefabricated components in place identifies；
Prefabricated components are in place, using identification module identification Quick Response Code mark.
Further, in the above-mentioned methods, after assessing the step of quality of described prefabricated components, also include:
Using the data storage transport module based on engineering foundation class ifc, based on engineering foundation class ifc technology, to being built
The data of vertical 3d reference number model and 3d scanning digital model is stored, and by the data transfer of described storage to three-dimensional
Visualization model；
Using three-dimensional visualization module, realize prefabricated components all kinds of mismachining tolerance size and surface matter according to the data receiving
The 3d visualization display of amount, and display is marked to the prefabricated components not reaching code requirement.
Further, in the above-mentioned methods, described mismachining tolerance size includes length, width and height of described prefabricated components, laterally curved
The size of song, surfacing, built-in fitting or reserved location, diagonal difference and warpage.
Further, in the above-mentioned methods, described surface quality include reveal muscle, hole, honeycomb, crack, profile appearance lack
Fall into and profile is stain.
Compared with prior art, the present invention passes through master control and aided scanners scanning obtains prefabricated components cloud data, and
By the 3d scan model being obtained by prefabricated components cloud data and the relative analyses designing a model, realize prefabricated components size and table
The assessment of face quality, can solve existing industrialized building precast concrete size and surface quality detection by manually coming
The inefficiency technical problem completing.
Brief description
Fig. 1 is that the industrialized building prefabricated components quality detecting system based on 3d laser scanning of one embodiment of the invention is former
Reason figure；
Fig. 2 is the industrialized building prefabricated components quality inspection process based on 3d laser scanning of one embodiment of the invention
Figure；
Fig. 3 is the 3d laser scanning subsystem schematic diagram of one embodiment of the invention；
Fig. 4 is 3d scan model and the design reference model contrast schematic diagram of one embodiment of the invention.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings and specifically real
The present invention is further detailed explanation to apply mode.
As shown in Figures 1 to 3, the present invention provides a kind of building prefabricated components quality detecting system based on 3d laser scanning,
Including:
It is arranged at the target on prefabricated components, for the reference point as scanning survey, assist cloud data registration, coordinate
Conversion and scan model assembling；
It is arranged at the xy driving means on the top of prefabricated components；
It is arranged at the master control scanner in described xy driving means, described xy driving means drive described master control scanner edge
X and/or y direction is moved, and to adjust the position of master control scanner so that its Scanning Detction, described master control scanner is used for scanning inspection
Survey the main part of prefabricated components and corresponding target, obtain the cloud data of prefabricated components main body；
It is arranged at the hoistable platform of the side of prefabricated components；
It is arranged at the aided scanners on described hoistable platform, described hoistable platform adjusts aided scanners height and position
Put, to facilitate the Scanning Detction of aided scanners, described aided scanners be used for Scanning Detction prefabricated components Part portions and
Corresponding target, obtains the local cloud data of prefabricated components；
Control module, for controlling the locus of described xy driving means and hoistable platform, and then drives described respectively
Master control scanner moves along x and/or y direction and adjusts aided scanners height and position；
Computer, for controlling the Scanning Detction of described master control and aided scanners；
Data processing and inversion evaluation subsystem, comprising:
3d scan data post-processing module, for described prefabricated components main body and local cloud data are carried out dry, repair
Benefit, optimization, the data processing of cloud data registration, coordinate transformation and Model Mounting, obtain the complete point cloud of described prefabricated components
Data；
Module is set up based on the 3d reference model of design data, sets up 3d for the cad drawing according to described prefabricated components
Reference number model；
Based on the 3d model building module of scan data, set up pre- for the complete point cloud data according to described prefabricated components
The 3d scanning digital model of component processed；
Data analysiss evaluation module, for entering to the 3d reference number model of described prefabricated components and 3d scanning digital model
Row relative analyses, according to analysis result and related specifications allowable dimension variation and surface quality requirements, assess described prefabricated components
Quality.The present invention passes through scanning and obtains prefabricated components cloud data, and the 3d being obtained by prefabricated components cloud data is scanned
Model and the relative analyses designing a model, realize the assessment of prefabricated components size and surface quality, can solve existing industrialization
Building prefabrication concrete component size and surface quality detection are by the inefficiency technical problem manually to complete.
Preferably, as shown in figure 3, building prefabricated components quality detecting system based on 3d laser scanning, also include:
It is arranged at the Quick Response Code mark 12 on described prefabricated components；
Identify the identification module of described Quick Response Code mark, so as to the numbering of automatic identification prefabricated components.
Preferably, as shown in figure 3, described xy driving means include:
The y traversing guide 7 that two of the top being arranged at described prefabricated components 1 are parallel to each other, described y traversing guide 7
Often end is provided with guide rail fixing end 8；
It is arranged on described y traversing guide 7 and perpendicular x direction crossbeam 9, the two ends setting of described x direction crossbeam 9
Two y directions drive 10, x direction crossbeam 9 to be provided with x direction and drive 11, and described master control scanner 2 is by being fixed on described x side
To the lower section driving 11.Can achieve movement in the range of xy horizontal plane for the master control scanner using xy driving means.As Fig. 3 institute
Show, described prefabricated components 1 can transport scene by rubber-tyred transport vehicle.
Preferably, the building prefabricated components quality detecting system based on 3d laser scanning, also includes:
Based on the data storage transport module of engineering foundation class ifc, for based on engineering foundation class ifc technology, to being built
The data of vertical 3d reference number model and 3d scanning digital model is stored, and by the data transfer of described storage to three-dimensional
Visualization model；
Three-dimensional visualization module, for realizing prefabricated components all kinds of mismachining tolerance size and surface according to the data receiving
The 3d visualization display of quality, and display is marked to the prefabricated components not reaching code requirement.
Preferably, described mismachining tolerance size includes the length, width and height of described prefabricated components, lateral thrust, surfacing, pre-
Embedded part or the size of reserved location, diagonal difference and warpage.
Preferably, described surface quality includes revealing muscle, hole, honeycomb, crack, profile appearance defect and profile contamination.
As shown in Figures 1 to 3, the present invention also provides another kind of building prefabricated components quality testing side based on 3d laser scanning
Method, comprising:
Determine the quantity (at least 3 targets 1 in each sweep limitss) of target 1 according to the situation of prefabricated components, after determination
Lay target 1 to collect and number, the target 1 laid target 1 and ensure in master control scanner 2 and aided scanners 3 visual range leads to
Depending on；
Xy driving means are adjusted using described control module, makes main body the regarding in described master control scanner 2 of prefabricated components 4
In the range of feel, adopt described control module to adjust the position of described hoistable platform 5 so that the local of prefabricated components 1 is auxiliary simultaneously
Help in scanner 3 visual range；
Master control scanner 2 is controlled using described computer 6, carries out the main part of described prefabricated components 1 and corresponding target
Scanning operation, described aided scanners 3 are controlled using described computer 6 simultaneously, carry out by the local of described prefabricated components and
The scanning operation of corresponding target, to obtain described prefabricated components main body and local cloud data；
Using 3d scan data post-processing module described prefabricated components main body and local cloud data are carried out dry, repair
Benefit, optimization, the data processing of cloud data registration, coordinate transformation and Model Mounting, obtain the complete point cloud of described prefabricated components
Data；
Using the 3d model building module based on scan data, the complete point cloud data according to described prefabricated components is set up pre-
The 3d scanning digital model of component processed, sets up module using the 3d reference model based on design data, according to described prefabricated simultaneously
3d reference number model set up by the cad drawing of component；
Using data analysiss evaluation module, the 3d reference number model of described prefabricated components and 3d scanning digital model are entered
Row relative analyses, according to analysis result and related specifications allowable dimension variation and surface quality requirements, assess described prefabricated components
Quality.The main advantage of the present invention is to can achieve industrialized building prefabricated components size and the fast automatic inspection of surface quality
Survey, solve the problems, such as that manual detection produces the inefficiency of component quality, to meet the requirement that building industrialization efficiently produces.
Preferably, determine the step of quantity of target according to the situation of prefabricated components before, also include:
Prefabricated components front Quick Response Code of laying on described prefabricated components in place identifies；
Prefabricated components are in place, using identification module identification Quick Response Code mark, with the automatic numbering obtaining described prefabricated components.
Preferably, after assessing the step of quality of described prefabricated components, also include:
Using the data storage transport module based on engineering foundation class ifc, based on engineering foundation class ifc technology, to being built
The data of vertical 3d reference number model and 3d scanning digital model is stored, and by the data transfer of described storage to three-dimensional
Visualization model；
Using three-dimensional visualization module, realize prefabricated components all kinds of mismachining tolerance size and surface matter according to the data receiving
The 3d visualization display of amount, and display is marked to the prefabricated components not reaching code requirement.
Preferably, described mismachining tolerance size includes the length, width and height of described prefabricated components, lateral thrust, surfacing, pre-
Embedded part or the size of reserved location, diagonal difference and warpage.
Preferably, described surface quality includes revealing muscle, hole, honeycomb, crack, profile appearance defect and profile contamination.
Concrete application embodiment: using the system developed to subway overpass large-sized concrete prefabricated components u-beam
Crudy is detected, length × width × height: 30m × 5.2m × 1.8m, thickness: 0.24m.3 D laser scanning detects subsystem
Accompanying drawing 3 is shown in by schematic diagram, and u-beam is installed in rubber-tyred transport vehicle, and master control scanner adopts focus 3d x330 scanner, auxiliary
Scanner is helped to adopt focus 3d x330 scanner and faro scanner freestyle3d, xy driving means and lifting flat
Platform is as shown in Figure 3；Computer saves as 8g using interior, and cpu is 4 core cpu pc；Target is that multiple self-controls print target composition；Identification
Module adopts Quick Response Code evaluator；Control module adopts Rhizoma Sparganii plc motion-control module.Data processing and inversion evaluation subsystem
Middle 3d scan data post-processing module is focus 3d x330 scanner ancillary data processing module；3d based on design data
Reference model sets up module, the 3d model building module based on scan data, data analysiss evaluation module and three-dimensional visualization mould
Block core calculations are write using fortran language, and tie bim software；Data storage based on engineering foundation class ifc transmits mould
Block, is based primarily upon the bim software of engineering foundation class ifc standard；Scantling tolerance and surface quality requirements are with reference to country
Standard " Standard for quality inspection and asswssment of precast concrete members " gbj321-90.3d reference number after embodiment partial enlargement 40
The production and processing error of model 41 and 3d scanning digital model 42 is as shown in Figure 4.
The present invention passes through master control and aided scanners scanning obtains prefabricated components cloud data, and will be by prefabricated components point cloud
The 3d scan model that data obtains and the relative analyses designing a model, realize the assessment of prefabricated components size and surface quality, energy
Solve existing industrialized building precast concrete size and surface quality detection by the inefficiency manually to complete
Technical problem.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Professional further appreciates that, in conjunction with the unit of each example of the embodiments described herein description
And algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes composition and the step of each example in the above description according to function.These
Function to be executed with hardware or software mode actually, the application-specific depending on technical scheme and design constraint.Specialty
Technical staff can use different methods to each specific application realize described function, but this realization should
Think beyond the scope of this invention.
Obviously, those skilled in the art can carry out the various changes and modification spirit without deviating from the present invention to invention
And scope.So, if these modifications of the present invention and modification belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including these changes and modification.
Claims (11)
1. a kind of building prefabricated components quality detecting system based on 3d laser scanning is it is characterised in that include:
It is arranged at the target on prefabricated components, for the reference point as scanning survey；
It is arranged at the xy driving means on the top of prefabricated components；
Be arranged at the master control scanner in described xy driving means, described xy driving means drive described master control scanner along x and/
Or the movement of y direction, described master control scanner is used for the main part of Scanning Detction prefabricated components and corresponds to target, obtains prefabricated structure
The cloud data of part main body；
It is arranged at the hoistable platform of the side of prefabricated components；
It is arranged at the aided scanners on described hoistable platform, described hoistable platform adjusts aided scanners height and position, institute
State aided scanners for the Part portions of Scanning Detction prefabricated components and corresponding target, obtain the partial points cloud number of prefabricated components
According to；
Control module, for controlling the locus of described xy driving means and hoistable platform, and then drives described master control respectively
Scanner moves along x and/or y direction and adjusts aided scanners height and position；
Computer, for controlling the Scanning Detction of described master control and aided scanners；
Data processing and inversion evaluation subsystem, comprising:
3d scan data post-processing module, for described prefabricated components main body and local cloud data are carried out dry, repair, excellent
The data processing of change, cloud data registration, coordinate transformation and Model Mounting, obtains the complete point cloud data of described prefabricated components；
Module is set up based on the 3d reference model of design data, sets up 3d reference for the cad drawing according to described prefabricated components
Mathematical model；
Based on the 3d model building module of scan data, for prefabricated structure is set up according to the complete point cloud data of described prefabricated components
The 3d scanning digital model of part；
Data analysiss evaluation module, right for carrying out to the 3d reference number model of described prefabricated components and 3d scanning digital model
Ratio analysis, according to analysis result and related specifications allowable dimension variation and surface quality requirements, assesses the matter of described prefabricated components
Amount.
2. the building prefabricated components quality detecting system based on 3d laser scanning as claimed in claim 1 is it is characterised in that base
In the building prefabricated components quality detecting system of 3d laser scanning, also include:
It is arranged at the Quick Response Code mark on described prefabricated components；
Identify the identification module of described Quick Response Code mark, so as to the numbering of automatic identification prefabricated components.
3. the building prefabricated components quality detecting system based on 3d laser scanning as claimed in claim 1 is it is characterised in that institute
State xy driving means to include:
The y traversing guide that two of the top being arranged at described prefabricated components are parallel to each other, the often end setting of described y traversing guide
There is guide rail fixing end；
It is arranged on described y traversing guide and perpendicular x direction crossbeam, the two ends of described x direction crossbeam arrange two y sides
To driving, x direction crossbeam is provided with x direction and drives, and described master control scanner is by being fixed on the lower section that described x direction drives.
4. the building prefabricated components quality detecting system based on 3d laser scanning as claimed in claim 1 is it is characterised in that go back
Including:
Based on the data storage transport module of engineering foundation class ifc, for based on engineering foundation class ifc technology, to set up
The data of 3d reference number model and 3d scanning digital model is stored, and by the data transfer of described storage to three-dimensional visible
Change module；
Three-dimensional visualization module, for realizing prefabricated components all kinds of mismachining tolerance size and surface quality according to the data receiving
3d visualization display, and display is marked to the prefabricated components not reaching code requirement.
5. the building prefabricated components quality detecting system based on 3d laser scanning as claimed in claim 4 is it is characterised in that institute
State mismachining tolerance size and include the length, width and height of described prefabricated components, lateral thrust, surfacing, built-in fitting or reserved location, right
Linea angulata difference and the size of warpage.
6. the building prefabricated components quality detecting system based on 3d laser scanning as claimed in claim 4 is it is characterised in that institute
State surface quality to include revealing muscle, hole, honeycomb, crack, profile appearance defect and profile contamination.
7. a kind of building prefabricated components quality determining method based on 3d laser scanning is it is characterised in that include:
Determine the quantity of target according to the situation of prefabricated components, lay target collection after determination and number, lay target and ensure to lead
Target intervisibility in control and aided scanners visual range；
Xy driving means are adjusted using described control module, makes the visual range in described master control scanner for the main body of prefabricated components
Interior, adopt described control module to adjust the position of described hoistable platform so that the local of prefabricated components is in aided scanners simultaneously
In visual range；
Using described computer controls master control scanner, the scanning of the main part and corresponding target of carrying out described prefabricated components is made
Industry, adopts aided scanners described in described computer controls simultaneously, carries out by the local of described prefabricated components and corresponds to target
Scanning operation, to obtain described prefabricated components main body and local cloud data；
Using 3d scan data post-processing module described prefabricated components main body and local cloud data are carried out dry, repair, excellent
The data processing of change, cloud data registration, coordinate transformation and Model Mounting, obtains the complete point cloud data of described prefabricated components；
Using the 3d model building module based on scan data, prefabricated structure is set up according to the complete point cloud data of described prefabricated components
The 3d scanning digital model of part, sets up module using the 3d reference model based on design data, according to described prefabricated components simultaneously
Cad drawing set up 3d reference number model；
It is right using data analysiss evaluation module, the 3d reference number model of described prefabricated components and 3d scanning digital model to be carried out
Ratio analysis, according to analysis result and related specifications allowable dimension variation and surface quality requirements, assesses the matter of described prefabricated components
Amount.
8. the building prefabricated components quality determining method based on 3d laser scanning as claimed in claim 7 is it is characterised in that root
Determine the step of quantity of target according to the situation of prefabricated components before, also include:
Prefabricated components front Quick Response Code of laying on described prefabricated components in place identifies；
Prefabricated components are in place, using identification module identification Quick Response Code mark.
9. the building prefabricated components quality determining method based on 3d laser scanning as claimed in claim 7 is it is characterised in that comment
After the step of the quality estimating described prefabricated components, also include:
Using the data storage transport module based on engineering foundation class ifc, based on engineering foundation class ifc technology, to set up
The data of 3d reference number model and 3d scanning digital model is stored, and by the data transfer of described storage to three-dimensional visible
Change module；
Using three-dimensional visualization module, realize prefabricated components all kinds of mismachining tolerance size and surface quality according to the data receiving
3d visualization display, and display is marked to the prefabricated components not reaching code requirement.
10. the building prefabricated components quality determining method based on 3d laser scanning as claimed in claim 9 it is characterised in that
Described mismachining tolerance size include the length, width and height of described prefabricated components, lateral thrust, surfacing, built-in fitting or reserved location,
Diagonal difference and the size of warpage.
The 11. building prefabricated components quality determining methods based on 3d laser scanning as claimed in claim 9 it is characterised in that
Described surface quality includes revealing muscle, hole, honeycomb, crack, profile appearance defect and profile contamination.
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