BIM unmanned aerial vehicle scanning modeling technology

Abstract

The invention provides an informatization technology for scanning an ancient building by an unmanned aerial vehicle, and relates to the technical field of building technology and building historical material analysis. According to the BIM unmanned aerial vehicle scanning historic building informatization technology, a data processing terminal is connected with unmanned aerial vehicle high-altitude real-time monitoring and network camera synchronous monitoring, the data processing terminal is connected with a three-dimensional digital historic building model based on the BIM technology, and the three-dimensional digital model based on the BIM technology is connected with a three-dimensional map based on satellite positioning. The three-dimensional map based on satellite positioning is connected with a VR real-time viewing module. The informatization technology for scanning the ancient building by the unmanned aerial vehicle solves the problem. Comprising the following steps: selecting a to-be-researched building, modeling, visually displaying historical information of the building, and researching and observing the historical information of the to-be-researched building according to the real scene modeling of the ancient building. The condition of the ancient building can be monitored and managed in real time, and repair protection is prepared to protect the building.

Description

Technical Field

[0001] This invention relates to the field of building technology, specifically to a BIM drone scanning and modeling technology. Background Technology

[0002] The construction industry refers to the material production sector within the national economy that engages in the surveying, design, and construction of building and installation projects, as well as the maintenance of existing buildings. According to the National Economic Industry Classification Directory, the construction industry, one of the twenty major sectors of the national economy, comprises four main categories: housing construction, civil engineering construction, building installation, and building decoration, renovation, and other construction. The primary function of the construction industry is to carry out construction and installation activities involving various building materials, components, machinery, and equipment, thereby constructing productive and non-productive fixed assets for the national economy. The development of the construction industry is closely related to the scale of fixed asset investment, with each sector promoting and constraining the others.

[0003] The gradual maturation of smart construction site management systems has led to increased recognition of the feasibility of digitalization in construction sites. However, due to inherent limitations, smart construction site systems cannot accurately address all aspects of a construction site, and the issue of engineering quality inspection remains unresolved. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a BIM drone scanning and modeling technology, which solves the problems of construction site accidents caused by improper management or mis-transmission and delayed information transmission, as well as the difficult-to-solve issues of construction quality and environmental pollution.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a BIM drone scanning and modeling technology, comprising a data processing terminal, wherein the data processing terminal is connected to a wireless communication module, and is connected to a drone high-altitude real-time monitoring system and a network camera for synchronous monitoring, wherein the data processing terminal is connected to a BIM-based three-dimensional digital model, wherein the BIM-based three-dimensional digital model is connected to a satellite-based three-dimensional map, wherein the satellite-based three-dimensional map is connected to a VR real-time viewing module, and wherein the VR real-time viewing module is connected to online personnel and material management and online quality inspection and acceptance systems.

[0008] The satellite-based 3D map is connected to digital archiving, 3D modeling for hazard identification, VR simulation training for construction workers, and 3D effect display of ancient buildings.

[0009] Preferably, the BIM-based 3D digital model includes data processing, model construction, overall generation, and model rendering.

[0010] Preferably, the online personnel and material management includes personnel number recording based on facial recognition, material data statistics, personnel trajectory recording, and dangerous action prediction.

[0011] Preferably, the map data generated from the BIM-based 3D digital model can be exported as a 2D or 3D model for portable use.

[0012] Preferably, the dangerous action prediction includes emergency notification, emergency alarm, and automatic alarm.

[0013] Preferably, the real-time high-altitude monitoring by the UAV and the synchronous monitoring by the network camera work together to form a real-time three-dimensional map.

[0014] Preferably, the personnel number record based on facial recognition identifies the specific person by combining the unique personnel number with differences in body shape and facial features.

[0015] Preferably, the personnel trajectory record is used to record the real-time working status of each specific person.

[0016] (III) Beneficial Effects

[0017] This invention provides a BIM drone scanning and modeling technology. It has the following beneficial effects:

[0018] This invention provides a BIM drone scanning and modeling technology. This technology uses drones to scan a target site, and then uses the returned data photos to create a 3D model of the target site. This technology enables the digital archiving and data storage of the site. Experiments have shown that this technology can achieve site modeling accuracy of over 87%, with extremely high precision and strong visibility. Moreover, the service price of this technology is about 20% lower than that of market modeling technology services.

[0019] This invention provides a BIM drone scanning and modeling technology. This technology not only covers integrated services such as VR visits, digital archiving, design, construction, and supervision, but also further promotes 3D modeling services for ancient buildings. In the initial market experiment of this project, this technology can also be applied to multiple aspects such as digital archiving of ancient buildings, road greening, and construction site design and construction renderings. This technology can meet most of the engineering requirements of small and medium-sized construction sites and other construction parties, enabling comprehensive and meticulous management and avoiding the common problem of shirking responsibility in the technology market.

[0020] This invention provides a BIM drone scanning and modeling technology. This technology uses VR+BIM technology to achieve construction safety management, transforming the traditional large-scale management model into a smaller, more precise one. This smaller, more precise management model can divide the construction site into blocks for management. For different blocks, the Sparrow Butler platform monitors in real time through VR, transmits real-time data, and promptly detects minor problems. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the process of the present invention;

[0022] Figure 2 This is a flowchart illustrating the three-dimensional digital model based on BLM technology of the present invention.

[0023] Figure 3 This is a schematic diagram of the online personnel and material management process of the present invention;

[0024] Figure 4 This is a comparative table diagram of the present invention.

[0025] The system includes: 1. Data processing terminal; 2. Wireless communication module; 3. Real-time high-altitude monitoring by UAVs; 4. Synchronous monitoring by network cameras; 5. 3D digital model based on BIM technology; 6. 3D map based on satellite positioning; 7. VR real-time viewing module; 8. Online personnel and material management; 9. Online quality inspection and acceptance; 10. 3D effect display of ancient buildings; 11. VR simulation training for construction personnel; 12. 3D modeling to identify hazards; 13. Digital archiving; 14. Data processing; 15. Model building; 16. Overall generation; 17. Model rendering; 18. Personnel numbering record based on facial recognition; 19. Material data statistics; 20. Personnel trajectory record; and 21. Prediction of dangerous actions. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Example:

[0028] like Figure 1-4As shown, this embodiment of the invention provides a BIM drone scanning and modeling technology, including a data processing terminal 1, a wireless communication module 2 connected to the data processing terminal 1, a drone high-altitude real-time monitoring 3 and a network camera synchronous monitoring 4 connected to the data processing terminal 1, a BIM-based three-dimensional digital model 5 connected to the BIM-based three-dimensional digital model 5 connected to a satellite positioning-based three-dimensional map 6, a VR real-time viewing module 7 connected to an online personnel and material management system 8 and an online quality inspection and acceptance system 9.

[0029] The satellite-based 3D map 6 is connected to digital archiving 13, 3D modeling for hazard identification 12, VR simulation training for construction workers 11, and 3D effect display of ancient buildings 10. This technology improves the traditional extensive development model characterized by high consumption, low technology, high input, and low output through digital information management, promotes new infrastructure centered on informatization, intelligence, and digitalization, and provides quality and technical education to construction workers through BIM animation, which helps improve worker quality, protect the lives of construction workers, cultivate a new team of workers with management skills, build a new construction worker group that meets policy requirements and is in line with the times, and help the worker group form a new employment model based on operations. Non-value-added work, i.e., ineffective work and waste, in the engineering construction industry accounts for as high as 57%, while this figure is only 26% in the manufacturing industry. Through data modeling and intelligent data processing 14, material waste can be reduced by more than 20%, contributing to the conservation of natural resources and environmental protection.

[0030] The 3D digital model based on BIM technology 5 includes data processing 14, model construction 15, overall generation 16, and model rendering 17. The online personnel and material management 8 includes personnel number recording based on facial recognition 18, material data statistics 19, personnel trajectory recording 20, and dangerous action prediction 21. It can record dangerous postures in advance and then predict dangerous actions 21. The material data statistics 19 can calculate the amount of materials used and the amount of materials in stock.

[0031] The map data generated by the 3D digital model 5 based on BIM technology can be exported as a 2D or 3D model for portable use. Dangerous action prediction 21 includes emergency notification, emergency alarm and automatic alarm. The real-time monitoring 3 of UAVs and the synchronous monitoring 4 of network cameras work together to form a real-time 3D map. The real-time monitoring 3 of UAVs and the synchronous monitoring 4 of network cameras can record the 3D map more comprehensively. The personnel numbering record 18 based on facial recognition identifies specific personnel by the difference of each personnel number, plus the difference of body shape and face. The personnel trajectory record 20 is used to record the real-time working status of each specific person. This technology scans the target site with UAVs, and models the returned data photos to generate a 3D model of the target site. Based on this technology, the purpose of digital archiving 13 of the site and data storage can be realized. According to the test, this technology can achieve more than 87% site modeling with extremely high accuracy and strong visibility. Construction safety management is realized through VR+BIM technology. The construction site is divided into blocks for management. For different blocks, real-time monitoring is carried out through VR, real-time data is transmitted, and subtle problems are detected in time.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A BIM UAV scanning and modeling technology, comprising a data processing terminal (1), characterized in that: The data processing terminal (1) is connected to a wireless communication module (2). The data processing terminal (1) is connected to a drone high-altitude real-time monitoring (3) and a network camera synchronous monitoring (4). The data processing terminal (1) is connected to a three-dimensional digital model (5) based on BIM technology. The three-dimensional digital model (5) based on BIM technology is connected to a three-dimensional map (6) based on satellite positioning. The three-dimensional map (6) based on satellite positioning is connected to a VR real-time viewing module (7). The VR real-time viewing module (7) is connected to online personnel and material management (8) and online quality inspection and acceptance (9). The satellite-based 3D map (6) is connected to digital archiving (13), 3D modeling for hazard identification (12), VR simulation training for construction workers (11), and 3D effect display of ancient buildings (10).

2. The BIM UAV scanning and modeling technology according to claim 1, characterized in that: The BIM-based three-dimensional digital model (5) includes data processing (14), model construction (15), overall generation (16), and model rendering (17).

3. The BIM UAV scanning and modeling technology according to claim 1, characterized in that: The online personnel and material management (8) includes personnel number recording based on facial recognition (18), material data statistics (19), personnel trajectory recording (20), and dangerous action prediction (21).

4. The BIM UAV scanning and modeling technology according to claim 1, characterized in that: The map data generated by the BIM-based three-dimensional digital model (5) can be exported as a two-dimensional or three-dimensional model for portable use.

5. The BIM UAV scanning and modeling technology according to claim 1, characterized in that: The dangerous action prediction (21) includes emergency notification, emergency alarm and automatic alarm.

6. The BIM UAV scanning and modeling technology according to claim 1, characterized in that: The real-time high-altitude monitoring (3) by the UAV and the synchronous monitoring by the network camera (4) work together to form a real-time three-dimensional map.

7. The BIM UAV scanning and modeling technology according to claim 1, characterized in that: The personnel number record (18) based on face recognition determines the specific personnel by the difference of each personnel number, plus the difference of body shape and face.

8. The BIM UAV scanning and modeling technology according to claim 1, characterized in that: The personnel trajectory record (20) is used to record the real-time working status of each specific person.

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