CN117252465A - BIM technology-based intelligent acceptance method for decoration and fitment engineering - Google Patents
BIM technology-based intelligent acceptance method for decoration and fitment engineering Download PDFInfo
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Abstract
The invention belongs to the technical field of decoration and fitment engineering, and discloses an intelligent acceptance inspection method for decoration and fitment engineering based on BIM technology. The method comprises the following steps: s1: acquiring data information of a decoration design drawing; s2: generating a BIM decoration project information model; s3: obtaining a three-dimensional model of a target to be checked: three-dimensional scanning is carried out on the building to be checked to generate a file group of the scanning information to be checked, each scanning file to be checked is numbered, and the scanning files to be checked are in one-to-one correspondence with the numbers of the scanning model data information; s4: the BIM decoration project information model is split into an information comparison unit; s5: data analysis: comparing the scanning model data information with the scanning file to be checked according to the corresponding number to obtain decoration and fitment data information; comparing the decoration data information with corresponding decoration unit parameters to obtain sub-comparison data; and if all the sub-comparison data are in the error range, judging acceptance. The method of the invention ensures that the acceptance is more accurate.
Description
Technical Field
The invention relates to the technical field of decoration engineering, in particular to an intelligent acceptance method for decoration engineering based on BIM technology.
Background
The description of the background art to which the present invention pertains is merely for illustrating and facilitating understanding of the summary of the invention, and should not be construed as an explicit recognition or presumption by the applicant that the applicant regards the prior art as the filing date of the first filed application.
Modern buildings not only pursue the functionality of the building, but also have higher requirements on the aesthetic degree of the same building, various decoration and fitment projects enter the life of people, and after the projects are completed, the process of evaluating the project construction quality and achievements according to relevant industry standards is called project completion acceptance. Completion acceptance is an important link for comprehensively checking construction work and checking whether the construction work meets design requirements and engineering quality, and plays an important role in promoting timely production of construction projects (engineering), playing investment effects and summarizing construction experience.
BIM technology visually displays the virtual three-dimensional environment, so that the BIM technology plays an important role in the design.
The invention patent application with the patent application number of 202011446983.3 discloses an integrated information model and laser three-dimensional scanning technology engineering quality acceptance method, which comprises the following core technologies: and placing the BIM information model and the point cloud data three-dimensional model under the same axis network and elevation coordinate system for overlapping comparison, wherein if the BIM information model and the point cloud data three-dimensional model are mutually overlapped, the construction size of the acceptance target facility accords with the design standard, if the BIM information model and the point cloud data three-dimensional model cannot be overlapped or are partially not overlapped, the distance between two corresponding points of the incompletely overlapped part is measured to obtain difference data, if the difference data accords with the quality acceptance requirement, the construction size of the acceptance target facility accords with the design standard, and if the difference data does not accord with the quality acceptance requirement, the construction size of the acceptance target facility does not accord with the design standard.
The above-mentioned patent technology belongs to the technology which is advanced at present (this point can be verified from the patent issued by 2023), but the technology has some defects that the technology is directly tested by using the coincidence degree, in practical operation, the whole coincidence degree is very difficult to compare (because the building, especially the building after decoration and fitment, is very complex), the whole coincidence degree comparison involves a plurality of complex structures, and if a part is in the acquisition of the model, the splicing or the reasons of the software itself, the part is qualified, but the problem that the coincidence degree is insufficient for the coincidence of other parts is caused by the reasons.
Disclosure of Invention
The embodiment of the invention aims to provide an intelligent acceptance method for decoration engineering based on BIM technology, which adopts the method that the whole body is divided into a plurality of plates for data comparison, and has the advantages of higher precision, higher acceptance accuracy and low false judgment rate.
The aim of the embodiment of the invention is realized by the following technical scheme:
a BIM technology-based intelligent acceptance method for decoration and fitment engineering comprises the following steps:
s1: acquiring data information of a decoration design diagram: the decoration design drawing data comprise a decoration design drawing and decoration parameters; the decoration and fitment parameters comprise a plurality of decoration and fitment unit parameters;
s2: generating a BIM decoration engineering information model: carrying out three-dimensional scanning on a building to be decorated to obtain scanning model data information and numbering, wherein the scanning model data information corresponds to a plurality of decoration unit parameters one by one; splicing the scanning model data information to obtain a three-dimensional model of the point cloud data; generating a BIM decoration project information model according to the point cloud data three-dimensional model and the decoration design drawing;
s3: obtaining a three-dimensional model of a target to be checked: three-dimensional scanning is carried out on the building to be checked to generate a file group of scanning information to be checked, each scanning file to be checked is numbered, and the scanning files to be checked are in one-to-one correspondence with the numbers of the scanning model data information;
s4: splitting a BIM decoration engineering information model: splitting the BIM decoration engineering information model into an information comparison unit, wherein the splitting rule is splitting according to the inverse process of the three-dimensional model of the point cloud data obtained by splicing the scanning model data information;
s5: data analysis: comparing the scanning model data information with the scanning file to be checked according to the corresponding number, and comparing parameters under the same axis network and the coordinate system of elevation to obtain decoration and fitment data information; the number is given to the decoration and fitment data information according to the number of the scanning file to be checked and accepted; comparing the decoration data information with corresponding decoration unit parameters to obtain sub-comparison data; and if all the sub-comparison data are in the error range, judging acceptance.
Further, in the step S5, if there is sub-comparison data not within the error range, the sub-comparison data corresponding to the sub-comparison data not within the error range is marked as an in-doubt to-be-inspected scanned file, the position corresponding to the parameter not within the error range in the sub-comparison data is an in-doubt position, sub-comparison data corresponding to the relevant to-be-inspected scanned file is obtained, and the relevant to-be-inspected scanned file is adjacent to the in-doubt position; if the sub-comparison data corresponding to the related to-be-checked and accepted scanning file is in the error range, judging that the suspected to-be-checked and accepted scanning file is unqualified; if the sub-comparison data corresponding to the related to-be-checked and accepted scanning file is not in the error range, splicing the suspected to-be-checked and accepted scanning file with the related to-be-checked and accepted scanning file to obtain a to-be-checked and accepted scanning file; the information comparison module corresponding to the scanning file to be rechecked is obtained from the BIM decoration project information model; the method comprises the steps of performing coincidence contrast on a scanning file to be rechecked and an information contrast module to obtain coincidence; if the overlap ratio exceeds the set value, judging that the scan file to be checked and accepted is qualified.
Further, the coincidence degree comparison is carried out on the scanning file to be checked and the information comparison module to obtain coincidence degree data, namely coincidence degree comparison is carried out on the positions corresponding to the sub-comparison data which are not in the error range to obtain coincidence degree data.
Further, before step S1, step S01 is further included: and obtaining and checking the qualified file of the decorative and finishing material and the field checking and proving file of the decorative and finishing material by the supervision unit.
Further, step S03 is further included before step S3: and obtaining and checking a detection quality acceptance proof file issued by a supervision unit during acceptance.
Further, comparing the scanning model data information with the scanning file to be checked according to the corresponding numbers, and comparing parameters under the same axis network and the coordinate system of elevation to obtain decoration data information; the method specifically comprises the following steps:
and placing the scanning model data information and the scanning file to be checked under the same axis network and the coordinate system of elevation, and then eliminating the coordinate parameter information of the scanning model data information from the coordinate parameter information of the scanning file to be checked to obtain the decoration data information.
Further, the splitting rule in step S4 is as follows: the information comparison unit obtained after the splitting only contains regular shapes.
Further, in the step S5, if the sub-comparison data is not within the error range, the position corresponding to the sub-comparison data not within the error range is marked, after all the sub-comparison data are judged, the BIM decoration project information model and the target three-dimensional model to be checked are overlapped and compared under the same axis network and the coordinate system of elevation, the overlap ratio of the marked position is obtained, and if the overlap ratio of the marked position exceeds the set value, the checking is qualified.
The embodiment of the invention has the following beneficial effects:
according to the method, two groups of scanning models are obtained by three-dimensional scanning of the building before and after decoration, the BIM decoration project information model is generated according to the point cloud data three-dimensional model before decoration and the decoration design drawing, then the BIM decoration project information model is split, the modules obtained by three-dimensional scanning of the building after decoration are not spliced, the modules are in one-to-one correspondence with the split BIM decoration project information model, the modules are placed in a unified coordinate system for parameter comparison, whether each comparison unit is qualified or not can be analyzed through data, the split units are regular, the comparison of the data is easy, and the comparison is accurate.
Drawings
FIG. 1 is a schematic flow chart of an intelligent acceptance method for decoration engineering based on BIM technology;
FIG. 2 is a schematic diagram of an intelligent acceptance method for decoration engineering based on BIM technology according to an embodiment of the present invention.
Detailed Description
The present application is further described below with reference to examples.
In order to more clearly describe embodiments of the present invention or technical solutions in the prior art, in the following description, different "an embodiment" or "an embodiment" does not necessarily refer to the same embodiment. Various embodiments may be substituted or combined, and other implementations may be obtained from these embodiments by those of ordinary skill in the art without undue burden.
Referring to fig. 1, an intelligent acceptance method for decoration engineering based on a BIM technology comprises the following steps:
s1: acquiring data information of a decoration design diagram: the decoration design drawing data comprise a decoration design drawing and decoration parameters; the decoration and fitment parameters comprise a plurality of decoration and fitment unit parameters;
s2: generating a BIM decoration engineering information model: carrying out three-dimensional scanning on a building to be decorated to obtain scanning model data information and numbering, wherein the scanning model data information corresponds to a plurality of decoration unit parameters one by one; splicing the scanning model data information to obtain a three-dimensional model of the point cloud data; generating a BIM decoration project information model according to the point cloud data three-dimensional model and the decoration design drawing;
s3: obtaining a three-dimensional model of a target to be checked: three-dimensional scanning is carried out on the building to be checked to generate a file group of scanning information to be checked, each scanning file to be checked is numbered, and the scanning files to be checked are in one-to-one correspondence with the numbers of the scanning model data information;
s4: splitting a BIM decoration engineering information model: splitting the BIM decoration engineering information model into an information comparison unit, wherein the splitting rule is splitting according to the inverse process of the three-dimensional model of the point cloud data obtained by splicing the scanning model data information;
s5: data analysis: comparing the scanning model data information with the scanning file to be checked according to the corresponding number, and comparing parameters under the same axis network and the coordinate system of elevation to obtain decoration and fitment data information; the number is given to the decoration and fitment data information according to the number of the scanning file to be checked and accepted; comparing the decoration data information with corresponding decoration unit parameters to obtain sub-comparison data; and if all the sub-comparison data are in the error range, judging acceptance.
According to the method, two groups of scanning models are obtained by three-dimensional scanning of the building before and after decoration, the BIM decoration project information model is generated according to the point cloud data three-dimensional model before decoration and the decoration design drawing, then the BIM decoration project information model is split, the modules obtained by three-dimensional scanning of the building after decoration are not spliced, the modules are in one-to-one correspondence with the split BIM decoration project information model, the modules are placed in a unified coordinate system for parameter comparison, whether each comparison unit is qualified or not can be analyzed through data, the split units are regular, the comparison of the data is easy, and the comparison is accurate.
Some preferred schemes are given below on this basis:
in some embodiments of the present invention, in the step S5, if there is sub-comparison data not within the error range, the sub-comparison data corresponding to the sub-comparison data not within the error range is marked as an in-doubt scan file to be checked, and the position corresponding to the parameter not within the error range in the sub-comparison data is an in-doubt position, the sub-comparison data corresponding to the relevant scan file to be checked is obtained, and the relevant scan file to be checked is adjacent to the in-doubt position; if the sub-comparison data corresponding to the related to-be-checked and accepted scanning file is in the error range, judging that the suspected to-be-checked and accepted scanning file is unqualified; if the sub-comparison data corresponding to the related to-be-checked and accepted scanning file is not in the error range, splicing the suspected to-be-checked and accepted scanning file with the related to-be-checked and accepted scanning file to obtain a to-be-checked and accepted scanning file; the information comparison module corresponding to the scanning file to be rechecked is obtained from the BIM decoration project information model; the method comprises the steps of performing coincidence contrast on a scanning file to be rechecked and an information contrast module to obtain coincidence; if the overlap ratio exceeds the set value, judging that the scan file to be checked and accepted is qualified. For convenience of understanding, please refer to fig. 2, wherein the side of the building in fig. 2 includes a first wall 1, a second wall 2, a third wall 3, a fourth wall 4, a floor surface 5 at the bottom, and a roof (not shown); the building also comprises a courtyard 11 outside the living space, representative parts of which are marked and illustrated, some parts being in contact with only one wall (1-4), roof or floor surface 5; when the wall body is detached, the wall body is directly detached from the contacted wall body, if the lamp 8 is contacted with the floor surface, the wall body is detached from the floor surface, and the hanging piece 10 is contacted with the hung wall body and is detached from the wall body; this is a well-defined combination, and not, for example, the bed 6 and the shoe rack 7 are simultaneously in contact with a wall and the floor 5, and this split may be together with the wall or the floor, which is easy to cause errors in comparison (for example, the bed is scanned together with the floor in a three-dimensional image obtained by scanning to be checked, but is split together with a side wall in a split of a BIM decoration engineering information model), such comparison is certainly a fault, at this time, two adjacent modules are spliced and then the overlap ratio is detected, one is that the position at this point belongs to the local comparison, the overlap ratio monitoring is also better operated, and the comparison and the data comparison can be mutually verified; for example, the corner sofa 9 will contact three surfaces, so the principle is the same as that of two surfaces, and the description is omitted.
In some embodiments of the present invention, the coincidence ratio data obtained by coincidence ratio comparison between the scan file to be checked and the information comparison module is coincidence ratio data obtained by coincidence ratio comparison between positions corresponding to sub-comparison data which are not in the error range.
In some embodiments of the present invention, before step S1, step S01 is further included: and obtaining and checking the qualified file of the decorative and finishing material and the field checking and proving file of the decorative and finishing material by the supervision unit.
In some embodiments of the present invention, step S03 is further included before step S3: and obtaining and checking a detection quality acceptance proof file issued by a supervision unit during acceptance.
In some embodiments of the invention, the scan model data information and the scan file to be checked are compared according to the corresponding numbers, and parameter comparison is carried out under the coordinate system of the same axis network and elevation to obtain decoration data information; the method specifically comprises the following steps:
and placing the scanning model data information and the scanning file to be checked under the same axis network and the coordinate system of elevation, and then eliminating the coordinate parameter information of the scanning model data information from the coordinate parameter information of the scanning file to be checked to obtain the decoration data information.
In some embodiments of the present invention, the splitting rule in step S4 is: the information comparison unit obtained after the splitting only contains regular shapes.
In some embodiments of the present invention, in the step S5, if there is sub-comparison data not within the error range, the position corresponding to the sub-comparison data not within the error range is marked, after all sub-comparison data are judged, the BIM decoration engineering information model and the three-dimensional model of the object to be checked are overlapped and compared in the BIM modeling software Revit under the same axis network and the coordinate system of the elevation, so as to obtain the overlap ratio of the marked position, and if the overlap ratio of the marked position exceeds the set value, the acceptance check is judged to be qualified.
The whole coincidence degree is difficult, but the coincidence degree is only partially compared, and under the condition that a plurality of positions are mutually influenced, the movable model can be compared, for example, a sofa is compared, a point of the sofa is taken as a fixed point, then the coincidence degree test of the sofa is only carried out, other parts are respectively operated in the same way, and the mutual interference of all parts is avoided when the whole coincidence degree is measured.
The three-dimensional laser scanner adopted in the three-dimensional scanning adopts a FARO three-dimensional laser scanner with the model of FARO Focus 150;
it should be noted that the above embodiments can be freely combined as needed. The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The intelligent acceptance method for the decoration project based on the BIM technology is characterized by comprising the following steps of:
s1: acquiring data information of a decoration design diagram: the decoration design drawing data comprise a decoration design drawing and decoration parameters; the decoration and fitment parameters comprise a plurality of decoration and fitment unit parameters;
s2: generating a BIM decoration engineering information model: carrying out three-dimensional scanning on a building to be decorated to obtain scanning model data information and numbering, wherein the scanning model data information corresponds to a plurality of decoration unit parameters one by one; splicing the scanning model data information to obtain a three-dimensional model of the point cloud data; generating a BIM decoration project information model according to the point cloud data three-dimensional model and the decoration design drawing;
s3: obtaining a three-dimensional model of a target to be checked: three-dimensional scanning is carried out on the building to be checked to generate a file group of scanning information to be checked, each scanning file to be checked is numbered, and the scanning files to be checked are in one-to-one correspondence with the numbers of the scanning model data information;
s4: splitting a BIM decoration engineering information model: splitting the BIM decoration engineering information model into an information comparison unit, wherein the splitting rule is splitting according to the inverse process of the three-dimensional model of the point cloud data obtained by splicing the scanning model data information;
s5: data analysis: comparing the scanning model data information with the scanning file to be checked according to the corresponding number, and comparing parameters under the same axis network and the coordinate system of elevation to obtain decoration and fitment data information; the number is given to the decoration and fitment data information according to the number of the scanning file to be checked and accepted; comparing the decoration data information with corresponding decoration unit parameters to obtain sub-comparison data; and if all the sub-comparison data are in the error range, judging acceptance.
2. The intelligent acceptance method for decoration engineering based on the BIM technology according to claim 1, wherein in the step S5, if sub-comparison data are not in an error range, the to-be-inspected scanned file corresponding to the sub-comparison data which are not in the error range is marked as an in-doubt to-be-inspected scanned file, the position corresponding to the parameter which is not in the error range in the sub-comparison data is an in-doubt position, sub-comparison data corresponding to the relevant to-be-inspected scanned file are obtained, and the relevant to-be-inspected scanned file is adjacent to the in-doubt position; if the sub-comparison data corresponding to the related to-be-checked and accepted scanning file is in the error range, judging that the suspected to-be-checked and accepted scanning file is unqualified; if the sub-comparison data corresponding to the related to-be-checked and accepted scanning file is not in the error range, splicing the suspected to-be-checked and accepted scanning file with the related to-be-checked and accepted scanning file to obtain a to-be-checked and accepted scanning file; the information comparison module corresponding to the scanning file to be rechecked is obtained from the BIM decoration project information model; the method comprises the steps of performing coincidence contrast on a scanning file to be rechecked and an information contrast module to obtain coincidence; if the overlap ratio exceeds the set value, judging that the scan file to be checked and accepted is qualified.
3. The intelligent acceptance method for decoration engineering based on BIM technology according to claim 2, wherein the coincidence degree comparison is performed on the to-be-checked scanning file and the information comparison module to obtain coincidence degree data, and the coincidence degree data is obtained by performing coincidence degree comparison on the positions corresponding to the sub-comparison data which are not in the error range.
4. The intelligent acceptance method for decoration and finishing works based on the BIM technology as claimed in claim 1, further comprising the step S01, before the step S1: and obtaining and checking the qualified file of the decorative and finishing material and the field checking and proving file of the decorative and finishing material by the supervision unit.
5. The intelligent acceptance method for decoration and finishing works based on the BIM technology according to claim 1, further comprising step S03 before step S3: and obtaining and checking a detection quality acceptance proof file issued by a supervision unit during acceptance.
6. The intelligent acceptance method for decoration engineering based on BIM technology according to claim 1, wherein the scanning model data information and the scanning file to be accepted are compared according to the corresponding numbers, and parameter comparison is carried out under the same axis network and elevation coordinate system to obtain the decoration data information; the method specifically comprises the following steps:
and placing the scanning model data information and the scanning file to be checked under the same axis network and the coordinate system of elevation, and then eliminating the coordinate parameter information of the scanning model data information from the coordinate parameter information of the scanning file to be checked to obtain the decoration data information.
7. The intelligent acceptance method for decoration engineering based on the BIM technology according to claim 1, wherein the splitting rule in the step S4 is as follows: the information comparison unit obtained after the splitting only contains regular shapes.
8. The intelligent acceptance method for decoration engineering based on the BIM technology according to claim 1, wherein in the step S5, if the sub-ratio data is not in the error range, the position corresponding to the sub-ratio data which is not in the error range is marked, after all the sub-ratio data are judged, the BIM decoration engineering information model and the target three-dimensional model to be accepted are overlapped and compared under the same axis network and the coordinate system of elevation, the coincidence degree of the marked position is obtained, and if the coincidence degree of the marked position exceeds a set value, acceptance is judged.
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