CN112990860A - Digital handover method and system - Google Patents
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Abstract
The invention relates to a digital handover method and a digital handover system. Wherein: s1, acquiring a BIM (building information modeling) model of the target engineering and component data corresponding to the BIM model; s2, acquiring a real scene model of the target project and corresponding space positioning and member characteristics of the real scene model; s3, associating the live-action model with the BIM model according to the space positioning and the member characteristics to generate an association relation; s4, analyzing the live-action model and the BIM model according to the incidence relation to obtain component identification difference data; s5, displaying a live-action model, a BIM model, component data and component identification difference data based on visualization, wherein the live-action model and the BIM model are overlaid for visualization display according to the incidence relation; s6, acquiring a component geometric appearance verification result fed back by technicians based on the visually displayed live-action model, the BIM, the component data and the component identification difference data, acquiring a verification result of the built-in component data verification rule on the component data, and synchronously handing over the live-action model, the BIM and the incidence relation.
Description
Technical Field
The invention relates to a digital handover method and a digital handover system. The method is suitable for the field of engineering digital handover.
Background
The BIM is a Building Information Modeling model, which means a Building Information model and comprises all Information of a whole life cycle of a Building engineering project from planning, surveying, conceptual design, detailed design, analysis, drawing, prefabrication, construction logistics, operation maintenance and removal or renovation, wherein the Information comprises Information of geographic positions, engineering backgrounds, design Information, construction Information, material sources, operation maintenance data, removal and renovation and the like.
The completion and transfer link in the engineering process is an essential link and can provide basic data for subsequent engineering operation and maintenance and operation. The typical transfer process is that after various construction projects are finished, transfer preparation and transfer form filling are carried out, a specially-assigned person carries out transaction checking and receiving, then change and account-standing problem processing are carried out, and finally completion settlement and asset transfer to an operation company can be completed. However, in the conventional transfer process, various matters have a sequence, and the transfer can only be performed after the construction is completely completed, so that the problem of rework is serious, a large amount of manpower and material resources are wasted, the transfer period is long, and mistakes and omissions are easily caused.
At present, in the traditional engineering process, a plurality of enterprises in the engineering industry develop systems aiming at different engineering special applications by applying building information model technology and computer technology, such as BIM5D and Luban BIM management platform.
However, such platforms are corresponding to engineering specific applications or management of construction stages, and the existing methods and systems do not touch the digital handover process and solve the digital handover problem. Furthermore, because digital handover is different from conventional handover, existing business processes and methods do not meet the requirements of combining engineering digitization.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in view of the above problems, a digital handover method and system are provided.
The technical scheme adopted by the invention is as follows: a digital handover method, characterized by:
s1, acquiring a BIM (building information modeling) model of the target engineering and component data corresponding to the BIM model;
s2, acquiring a real scene model of the target project and corresponding space positioning and member characteristics of the real scene model;
s3, associating the live-action model with the BIM model according to the space positioning and the member characteristics to generate an association relation;
s4, analyzing the live-action model and the BIM model according to the incidence relation to obtain component identification difference data;
s5, displaying a live-action model, a BIM model, component data and component identification difference data based on visualization, wherein the live-action model and the BIM model are overlaid for visualization display according to the incidence relation;
s6, acquiring a component geometric appearance checking result fed back by technicians based on the visually displayed real-scene model, the BIM model, the component data and the component identification difference data, acquiring a checking result of the built-in component data checking rule to the component data, and synchronously handing over the real-scene model, the BIM model and the incidence relation after the component geometric appearance and the component data are checked to be passed.
Step S1 includes:
modeling is carried out on the target engineering by utilizing three-dimensional modeling software to generate a BIM model, and lightweight display is carried out on the BIM model by utilizing a graphic engine technology.
Step S3 includes:
s31, positioning the corresponding position in the BIM according to the space positioning;
s32, corresponding the members in the live-action model and the members in the BIM model one by one according to the member characteristics;
and S33, obtaining the incidence relation between the live-action model and the BIM model.
The method for acquiring the verification result of the geometric appearance of the component fed back by the technician based on the visual displayed real-scene model, the BIM model, the component data and the component identification difference data comprises the following steps:
the technicians judge whether the components in the BIM model need to be replaced according to the real-scene model through the displayed component data and the component identification difference data so as to ensure the consistency of the BIM model and the real-scene model at the visual angle, and the verification of the geometric appearance of the components is confirmed to be passed after the component identification difference data is not displayed.
The acquiring of the verification result of the built-in component data verification rule on the component data comprises:
and the technician deletes the corresponding component data when the rule verification fails, and confirms that the component data passes the verification after the rule verification passes.
A storage medium having a computer program stored thereon for execution by a processor, the computer program comprising: the computer program, when executed, implements the steps of the digital handover method.
A computer device having a memory and a processor, the memory having stored thereon a computer program executable by the processor, the computer program comprising: the computer program, when executed, implements the steps of the digital handover method.
A digital handover system, characterized by: the system comprises MR intelligent glasses and a digital handover server in wireless communication connection with the MR intelligent glasses,
the method comprises the steps that a digital handover server obtains a BIM model of a target project and corresponding component data;
performing live-action scanning on the target project by using MR intelligent glasses and establishing a live-action model, extracting component characteristics and positioning information of a component in the live-action model by using the MR intelligent glasses, and sending the component characteristics and the positioning information to a digital handover server;
the digital handover server corresponds the members in the real-scene model to the members in the BIM one by one according to the member characteristics and the positioning information to obtain the incidence relation between the real-scene model and the BIM, and stores the incidence relation into the real-scene model;
the digital transfer server carries out identification difference analysis on the components in the live-action model and the BIM according to the incidence relation to obtain component identification difference data;
the MR intelligent glasses point to the target engineering field live-action to obtain a corresponding live-action model, and a corresponding BIM model, corresponding component data and component identification difference data are obtained according to the incidence relation stored in the live-action model; the MR intelligent glasses are used for displaying the BIM model and the live-action model in a superimposed and visual mode, and synchronously displaying component data and component identification difference data;
and a technician wearing the MR intelligent glasses can synchronously hand over the live-action model, the BIM model and the incidence relation after confirming that the BIM model and the live-action model do not have the component identification difference data and the component data passes the verification according to the component geometric appearance verification result fed back by the visually displayed live-action model, the BIM model, the component data and the component identification difference data.
When the MR intelligent glasses display component identification difference data, component models in a component element library of the BIM model, which are consistent with actual component models and appearances in the real scene model, are obtained according to the component identification difference data for replacement; or the BIM model builder is required to update the corresponding component model until the MR smart glasses no longer display the component identification difference data of the corresponding component.
Technical personnel point to the component data that the corresponding rule verifies is unqualified through the MR intelligent glasses, the corresponding component data on the BIM model is deleted, changed and checked, and after automatic data verification, accurate data hanging is associated to the BIM model.
The invention has the beneficial effects that: the method comprises the steps of establishing an incidence relation between a live-action model and a BIM model, obtaining the corresponding BIM model through the incidence relation after obtaining the live-action model from a live-action scene, overlapping and visually displaying the BIM model and the live-action model, synchronously displaying component data and component difference identification data, and synchronously handing over the live-action model, the BIM model and the incidence relation after a technician passes verification based on displayed contents.
The invention combines the BIM technology and the MR technology, creates a set of digital transfer process suitable for engineering digital projects and is assisted by a digital transfer system, and the invention can associate a real scene model and a BIM model and provide a good foundation for getting through the whole life cycle of the engineering. Firstly, the BIM technology is utilized to establish a model, and the model is released to a digital handover server in a light weight manner; then, image scanning is carried out by using an MR technology to establish a live-action model, and the live-action model is transmitted to a digital handover server; a component identification module of the digital handover server identifies the live-action model components by applying space positioning and combining an image identification technology and associates the live-action model components to the BIM, and the one-to-one corresponding association relationship is stored in the live-action model; then, displaying the component information in front of a technician through MR intelligent glasses according to the incidence relation, and respectively checking the accuracy of the information data and the accuracy of the visual data through a data checking module and a visual module; and finally synchronously handing over the live-action model, the BIM model and the incidence relation through a digital handing over module to complete completion and handing over. Through the combination of the BIM technology and the MR technology, the transfer process can be innovated and the development status of the tight combination of the digitization technology and the engineering technology can be met.
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FIG. 1 is a flow chart of an embodiment.
Detailed Description
The embodiment provides a digital handover method, which comprises the following specific steps:
s1, acquiring a BIM (building information modeling) model of the target project and component data corresponding to the BIM model, wherein the BIM model is generated by modeling the target project by using three-dimensional modeling software, and the BIM model is displayed in a light weight manner by using a graphic engine technology; the BIM model adopts a forward design method and can guide construction.
And S2, acquiring the real scene model of the target project and the corresponding space positioning and member characteristics of the real scene model.
S3, associating the live-action model and the BIM model according to the space positioning and the member characteristics to generate an association relation, comprising: s31, positioning the corresponding position in the BIM according to the space positioning; s32, corresponding the members in the live-action model and the members in the BIM model one by one according to the member characteristics; and S33, obtaining the incidence relation between the live-action model and the BIM model.
S4, analyzing the live-action model and the BIM model according to the incidence relation to obtain component identification difference data;
s5, displaying a live-action model, a BIM model, component data and component identification difference data based on visualization, wherein the live-action model and the BIM model are overlaid for visualization display according to the incidence relation;
s6, acquiring a component geometric appearance checking result fed back by technicians based on the visually displayed real-scene model, BIM model, component data and component identification difference data, acquiring a checking result of the built-in component data checking rule to the component data, and synchronously handing over the real-scene model, BIM model and incidence relation after the component geometric appearance and component data are checked to be passed.
The technical personnel judge whether the component model in the BIM needs to be replaced according to the real scene model through the displayed component data and the component identification difference data so as to ensure the consistency of the BIM model and the real scene model from a visual angle, can directly select a corresponding model from a component library for replacement when needing to be replaced, can also submit a problem requirement to a construction party to update the component model through the BIM model, and confirm that the geometric appearance of the component passes the verification after the component identification difference data is not displayed.
And (4) a technician deletes, changes and checks the corresponding component data when the component data check rule fails to pass the check, and confirms that the component data passes the check after the rule passes the check.
The present embodiment also provides a storage medium having stored thereon a computer program executable by a processor, the computer program, when executed, implementing the steps of the digital handover method in the present embodiment.
The present embodiment also provides a computer apparatus having a memory and a processor, the memory having stored thereon a computer program executable by the processor, the computer program when executed implementing the steps of the digital handover method in the present embodiment.
The embodiment also provides a digital handover system based on BIM and MR, which is mainly used for digital handover and is convenient for technicians to complete handover work synchronously when completion of work is completed. A three-dimensional model can be established according to the BIM technology, then the MR technology is assisted to establish a live-action model, technicians are guided to carry out engineering construction, and the consistency of the live-action model and the BIM model can be corrected in the construction process.
The digital transfer system comprises MR intelligent glasses and a digital transfer server, wherein the digital transfer server comprises a component identification module, a data verification module and a digital transfer module, and a BIM lightweight model is taken as a core to link the MR intelligent glasses through a wireless network to synchronously display physical assets and digital assets and transmit data; the MR intelligent glasses comprise a live-action modeling module and a visualization module, are worn by technicians and are connected to a digital transfer server through a wireless network, so that live-action models are obtained and associated with BIM models, real assets and digital assets are synchronously audited and received, and asset transfer is realized when completion is completed.
The specific implementation steps of the digital handover system in this embodiment are as follows:
modeling a target project by using three-dimensional modeling software to generate a BIM (building information modeling) model, and displaying the BIM model on a digital handover server in a lightweight manner by using a graphic engine technology, wherein the BIM model is associated with component data; the BIM model adopts a forward design method and can guide construction to be carried out.
Technicians wear the MR intelligent glasses, and a live-action modeling module in the MR intelligent glasses is used for carrying out live-action scanning on a real structure and establishing a live-action model. In this embodiment, the MR smart glasses may have angle and position adjustment functions and have corresponding spatial localization functions. And according to the live-action model established by the MR intelligent glasses, extracting the member characteristics and the positioning information in the model, and sending the member characteristics and the positioning information to the digital handover server through a wireless network.
And the component identification module in the digital handover server firstly positions the corresponding position in the BIM according to the positioning information sent by the MR intelligent glasses live-action modeling module, secondly, the components in the live-action model and the components in the BIM are in one-to-one correspondence according to the component characteristics, and the positioning is more accurate, so that the incidence relation between the live-action model and the BIM is obtained, and the relation is stored in the live-action model.
And the component identification module performs identification difference analysis on the components in the real scene model and the BIM model according to the incidence relation to obtain component difference identification data mainly based on the geometric appearance of the components. In specific implementations, for example: the identified differences are component type, component name, length, width, step number, material type, fire-resistant grade, etc.
The MR intelligent glasses transmit the BIM model, the component data and the difference identification data of the components of the two-side model related to the live-action model to a visualization module of the MR intelligent glasses.
Technical personnel wear the MR intelligent glasses to point to a real scene to obtain a real scene model corresponding to the real scene, the real scene model is mapped to a corresponding BIM model according to the incidence relation stored in the real scene model, and the real scene model and the BIM model can be overlaid and visually displayed according to the positioning information, so that when the MR intelligent glasses point to a component in the real scene model, component data of the component can be presented in the pointing scene, and component difference identification data of the component is marked.
And a technician wearing the MR intelligent glasses can synchronously hand over the live-action model, the BIM model and the incidence relation after confirming that the BIM model and the live-action model do not have the component identification difference data and the component data passes the verification according to the component geometric appearance verification result fed back by the visually displayed live-action model, the BIM model, the component data and the component identification difference data.
In this embodiment, a component model component library is accumulated in a data verification module in the digital handover server at an early stage, and the component library includes a large number of component-level basic models of various civil engineering components and electromechanical equipment facilities, and is an early-stage accumulation database. Therefore, a technician can judge whether the component model in the BIM needs to be replaced according to the real-scene model through the component data and the component identification difference result displayed by the MR intelligent glasses, so that the consistency of the BIM model and the real-scene model from a visualization angle is ensured, the corresponding model can be directly selected from the component library for replacement, and a problem requiring construction party can be submitted to the BIM model to update the component model until the MR intelligent glasses do not display the component identification difference data of the corresponding component any more.
In this embodiment, a component data verification rule is built in a data verification module in the digital handover server in an early stage, and a rule formulation is performed on component data according to a project acceptance and a data handover standard, where the rule formulation includes a data definition, a data format, and a data type, that is, a model attribute verification function. Technical personnel can operate in real time to delete, modify and check component data which are unqualified in the regular verification on the BIM through the MR intelligent glasses pointing to the component data, and accurately articulate and relate the data to the BIM after the regular verification is passed.
In this embodiment, through the model appearance updating and the data updating, the live-action model components and the BIM model components can be in one-to-one correspondence again, and the updated association relationship is stored in the live-action model, so that the validity, the accuracy and the rationality of the data are ensured.
After the technical personnel complete all the operations, the pointed real-scene model and the displayed BIM model can be confirmed through the MR intelligent glasses, the difference identification data of the components are confirmed not to be displayed, and after the verification of the component data is completely passed, the real-scene model, the BIM model and the incidence relation can be synchronously handed over through a digital hand-over module in the digital hand-over system.
Claims (10)
1. A digital handover method, characterized by:
s1, acquiring a BIM (building information modeling) model of the target engineering and component data corresponding to the BIM model;
s2, acquiring a real scene model of the target project and corresponding space positioning and member characteristics of the real scene model;
s3, associating the live-action model with the BIM model according to the space positioning and the member characteristics to generate an association relation;
s4, analyzing the live-action model and the BIM model according to the incidence relation to obtain component identification difference data;
s5, displaying a live-action model, a BIM model, component data and component identification difference data based on visualization, wherein the live-action model and the BIM model are overlaid for visualization display according to the incidence relation;
s6, acquiring a component geometric appearance checking result fed back by technicians based on the visually displayed real-scene model, BIM model, component data and component identification difference data, acquiring a checking result of the built-in component data checking rule to the component data, and synchronously handing over the real-scene model, BIM model and incidence relation after the component geometric appearance and the component data are checked to be passed.
2. The digital handover method according to claim 1, wherein the step S1 comprises:
modeling is carried out on the target engineering by utilizing three-dimensional modeling software to generate a BIM model, and lightweight display is carried out on the BIM model by utilizing a graphic engine technology.
3. The digital handover method according to claim 1, wherein the step S3 comprises:
s31, positioning the corresponding position in the BIM according to the space positioning;
s32, corresponding the members in the live-action model and the members in the BIM model one by one according to the member characteristics;
and S33, obtaining the incidence relation between the live-action model and the BIM model.
4. The digital handover method according to claim 1, wherein the obtaining of the verification result of the geometric appearance of the component fed back by the technician based on the visually displayed real-world model, the BIM model, the component data and the component identification difference data comprises:
the technicians judge whether the components in the BIM model need to be replaced according to the real-scene model through the displayed component data and the component identification difference data so as to ensure the consistency of the BIM model and the real-scene model at the visual angle, and the verification of the geometric appearance of the components is confirmed to be passed after the component identification difference data is not displayed.
5. The digital handover method according to claim 1, wherein the obtaining of the verification result of the built-in component data verification rule on the component data comprises:
and the technician deletes the corresponding component data when the rule verification fails, and confirms that the component data passes the verification after the rule verification passes.
6. A storage medium having a computer program stored thereon for execution by a processor, the computer program comprising: the computer program when executed implements the steps of the digital handover method of any of claims 1 to 5.
7. A computer device having a memory and a processor, the memory having stored thereon a computer program executable by the processor, the computer program comprising: the computer program when executed implements the steps of the digital handover method of any of claims 1 to 5.
8. A digital handover system, characterized by: the system comprises MR intelligent glasses and a digital handover server in wireless communication connection with the MR intelligent glasses,
the method comprises the steps that a digital handover server obtains a BIM model of a target project and corresponding component data;
performing live-action scanning on the target project by using MR intelligent glasses and establishing a live-action model, extracting component characteristics and positioning information of a component in the live-action model by using the MR intelligent glasses, and sending the component characteristics and the positioning information to a digital handover server;
the digital handover server corresponds the members in the real-scene model to the members in the BIM one by one according to the member characteristics and the positioning information to obtain the incidence relation between the real-scene model and the BIM, and stores the incidence relation into the real-scene model;
the digital transfer server carries out identification difference analysis on the components in the live-action model and the BIM according to the incidence relation to obtain component identification difference data;
the MR intelligent glasses point to the target engineering field live-action to obtain a corresponding live-action model, and a corresponding BIM model, corresponding component data and component identification difference data are obtained according to the incidence relation stored in the live-action model; the MR intelligent glasses are used for displaying the BIM model and the live-action model in a superimposed and visual mode, and synchronously displaying component data and component identification difference data;
and a technician wearing the MR intelligent glasses can synchronously hand over the live-action model, the BIM model and the incidence relation after confirming that the BIM model and the live-action model do not have the component identification difference data and the component data passes the verification according to the component geometric appearance verification result fed back by the visually displayed live-action model, the BIM model, the component data and the component identification difference data.
9. The digital handover system according to claim 8, wherein: when the MR intelligent glasses display component identification difference data, component models in a component element library of the BIM model, which are consistent with actual component models and appearances in the real scene model, are obtained according to the component identification difference data for replacement; or the BIM model builder is required to update the corresponding component model until the MR smart glasses no longer display the component identification difference data of the corresponding component.
10. The digital handover system according to claim 8, wherein: technical personnel point to component data which fail to be verified according to the corresponding rules through the MR intelligent glasses, corresponding component data on the BIM model are deleted, changed and checked, and accurate data are hooked and associated to the BIM model after automatic data verification.
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