Handheld real-time three-dimensional reconstruction equipment for building construction
By using handheld real-time three-dimensional reconstruction equipment in construction and integrating multi-sensors and AI algorithms, the problem of lack of high-precision real-time three-dimensional data in construction is solved, and efficient and real-time construction monitoring and model construction is achieved, reducing costs and error risks.
Patent Information
- Application Number
- CN202421496609.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-27
AI Technical Summary
During the construction process, the existing technology lacks high-precision real-time three-dimensional data, the construction progress is difficult to monitor in real time, and there is a lack of fast and low-cost BIM reverse modeling solutions.
It provides handheld real-time three-dimensional reconstruction equipment for construction, and the equipment integrates high-resolution SLR cameras, hybrid solid-state lidar modules and fisheye camera modules, and captures and processes three-dimensional data in real time through multi-sensor fusion and AI algorithms.
It realizes efficient and real-time three-dimensional surveying and mapping and model construction, improves the accuracy and efficiency of construction, and reduces errors and costs in planning and construction.
Smart Images
Figure CN222652238U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a handheld real-time three-dimensional reconstruction device for building construction. Background Art
[0002] During the construction process, there is an increasing demand for rapid on-site mapping, construction progress monitoring and quality acceptance. Traditional mapping methods rely on manual operations and post-processing, which are time-consuming, inefficient, and difficult to achieve real-time feedback. With the development of technology, laser mapping, as a third-generation technology, has improved accuracy, but still has problems such as numerous steps, non-real-time feedback and high costs.
[0003] At present, the existing technical problems are: lack of high-precision real-time three-dimensional data in the project design and planning stage, which affects the accuracy and efficiency of the design; the construction progress is difficult to monitor in real time, and errors that do not match the drawings lead to frequent rework; there is a lack of fast and low-cost BIM reverse modeling solutions during completion acceptance and project maintenance. Utility Model Content
[0004] The purpose of the utility model is to provide a handheld real-time three-dimensional reconstruction device for construction, so as to solve the problems raised in the above background technology that the prior art lacks high-precision real-time three-dimensional data, the construction progress is difficult to monitor in real time, and there is a lack of fast and low-cost BIM reverse modeling solutions.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld real-time three-dimensional reconstruction device for construction, comprising a device, a battery handle detachably connected to the bottom of the device, the battery handle is used to provide power to the device; a high-resolution SLR camera is installed on one side of the device; a laser radar module is installed on the top of the device, the laser radar module is used to capture three-dimensional data; mutually symmetrical visual sensor modules are installed on the left and right sides of the surface of the device, the visual sensor modules assist the laser radar module in extracting feature points and constructing maps; a bracket slot is provided on one side of the top of the device, and a mobile phone holder is detachably plugged into the surface of the bracket slot.
[0006] Preferably, the laser radar module is a hybrid solid-state laser radar, which can provide high-precision and high-resolution three-dimensional point cloud data.
[0007] Preferably, the visual sensor module is a fisheye camera module, and the visual sensor module is used to capture RGB images.
[0008] Preferably, a front heat dissipation hole is provided on one side of the surface of the equipment, and a rear heat dissipation hole is provided on a side of the equipment away from the front heat dissipation hole, and the rear heat dissipation hole and the front heat dissipation hole are connected to each other and cooperated for heat dissipation inside the equipment.
[0009] Preferably, a switch key is installed on the surface of the battery handle, and the switch key is used for switching operation when the battery handle is powered.
[0010] Preferably, an external mobile phone is buckled on the surface of the mobile phone holder, and the external mobile phone is used for real-time display and control of the device.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] High efficiency: Compared with manual point-by-point measurement equipment and existing stand-type laser surveying and mapping equipment, the equipment of the utility model can complete on-site surveying and mapping in one step, significantly improving work efficiency.
[0013] High precision: Through multi-sensor fusion and AI algorithms, the equipment can obtain high-precision three-dimensional data to improve the accuracy and efficiency of design.
[0014] Real-time: The equipment provides the ability to monitor construction progress and quality in real time, ensuring the consistency between design and construction and reducing the cost of later corrections.
[0015] Cost-effectiveness: Compared with traditional surveying methods with many steps, the equipment of this utility model can save costs and avoid design changes and delays caused by missing information or measurement errors.
[0016] Safety assessment and quality analysis: Efficiently assess building structures, identify potential risks, and digitally inspect flatness, verticality, and other issues
[0017] Through the above-mentioned beneficial effects, the handheld real-time three-dimensional reconstruction device for construction of the utility model not only improves the accuracy and efficiency of construction, but also reduces the possibility of errors in planning and construction, and effectively reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional front view structural schematic diagram of the utility model;
[0019] Figure 2 It is a three-dimensional rear view structure schematic diagram of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the external mobile phone in the installation state of the utility model.
[0021] In the figure: 1. Equipment; 11. Front heat dissipation hole; 12. Bracket slot; 13. Rear heat dissipation hole; 2. LiDAR module; 3. Vision sensor module; 4. High-resolution SLR camera; 5. Battery handle; 51. Power button; 6. External mobile phone; 7. Mobile phone holder. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0023] The structure of the handheld real-time three-dimensional reconstruction device for construction provided by the utility model is as follows Figure 1 As shown, the device 1 includes a battery handle 5 detachably connected to the bottom end of the device 1. The battery handle 5 is electrically connected to the device 1 and is used to provide power to the device 1. A switch key 51 is installed on the surface of the battery handle 5. The switch key 51 is used for switching when the battery handle 5 is powered. A high-resolution SLR camera 4 is installed on one side of the device 1.
[0024] The utility model combines advanced multi-sensor deep fusion technology and AI 3D reconstruction algorithm, which can complete high-precision 3D mapping and model construction of construction sites in a short time; the equipment machine 1 is configured with an integrated computing unit for performing data processing and model generation.
[0025] Furthermore, if Figure 2 as well as Figure 3 As shown, a laser radar module 2 is installed on the top of the device 1, and the laser radar module 2 is used to capture three-dimensional data. The laser radar module 2 is a hybrid solid-state laser radar, and the laser radar module 2 can provide high-precision, high-resolution three-dimensional point cloud data; symmetrical visual sensor modules 3 are installed on the left and right sides of the surface of the device 1. The visual sensor module 3 assists the laser radar module 2 in extracting feature points and constructing maps. The visual sensor module 3 is a fisheye camera module, and the visual sensor module 3 is used to capture RGB images.
[0026] The equipment 1 of the utility model includes multiple sensors, including but not limited to IMU modules, GPS modules, etc. Therefore, the equipment adopts multi-sensor deep fusion technology, integrating the precise distance measurement of lidar, the real-time posture tracking of IMU, the high-resolution imaging of the camera and the precise positioning of GPS, ensuring that high-quality three-dimensional data can be obtained in various construction environments.
[0027] Furthermore, if Figure 2 as well as Figure 3 As shown, a bracket slot 12 is provided on one side of the top of the device 1, and a mobile phone holder 7 is detachably plugged into the surface of the bracket slot 12, a front heat dissipation hole 11 is opened on one side of the surface of the device 1, and a rear heat dissipation hole 13 is provided on the side of the device 1 away from the front heat dissipation hole 11, and the rear heat dissipation hole 13 and the front heat dissipation hole 11 are connected to each other for heat dissipation inside the device 1, and an external mobile phone 6 is buckled on the surface of the mobile phone holder 7, and the external mobile phone 6 is used for real-time display and control of the device 1.
[0028] Working principle: First, site preparation: Before construction, the operator deploys the equipment at the construction site, performs initialization settings, ensures that the equipment is in normal status and adjusts parameters according to construction requirements; then, data collection: the operator uses the handheld device to scan the construction site, and the equipment automatically collects lidar, IMU and camera data.
[0029] Then, data processing: the device’s built-in computing platform processes the collected data in real time, and the AI algorithm optimizes the model details to generate a high-precision three-dimensional model; then, construction monitoring: using the generated three-dimensional model, real-time monitoring of construction progress and evaluation of construction quality, such as wall cracks, construction misalignment, etc.
[0030] Afterwards, completion acceptance: after the construction is completed, use the equipment to conduct digital completion acceptance and build a digital twin model to provide data support for subsequent building maintenance and renovation; finally, data export and analysis: export the three-dimensional model and analysis results and integrate them with the BIM system for sharing and analysis by the design team, construction team and project managers.
[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A handheld real-time three-dimensional reconstruction device for construction, comprising a device (1), characterized in that: The bottom end of the device (1) is detachably connected to a battery handle (5), and the battery handle (5) is used to provide power to the device (1); a high-resolution SLR camera (4) is installed on one side of the device (1); a laser radar module (2) is installed on the top of the device (1), and the laser radar module (2) is used to capture three-dimensional data; symmetrical visual sensor modules (3) are installed on both left and right sides of the surface of the device (1), and the visual sensor modules (3) assist the laser radar module (2) in extracting feature points and constructing maps; a bracket slot (12) is provided on one side of the top of the device (1), and a mobile phone bracket (7) is detachably plugged into the surface of the bracket slot (12).
2. The handheld real-time 3D reconstruction device for construction according to claim 1, characterized in that: The laser radar module (2) is a hybrid solid-state laser radar, and the laser radar module (2) is capable of providing high-precision and high-resolution three-dimensional point cloud data.
3. The handheld real-time 3D reconstruction device for construction according to claim 1, characterized in that: The visual sensor module (3) is a fisheye camera module, and the visual sensor module (3) is used to capture RGB images.
4. The handheld real-time 3D reconstruction device for construction according to claim 1, characterized in that: A front heat dissipation hole (11) is provided on one side of the surface of the device (1), and a rear heat dissipation hole (13) is provided on a side of the device (1) away from the front heat dissipation hole (11), and the rear heat dissipation hole (13) and the front heat dissipation hole (11) are mutually communicated and cooperated to dissipate heat inside the device (1).
5. The handheld real-time 3D reconstruction device for construction according to claim 1, characterized in that: A switch key (51) is mounted on the surface of the battery handle (5), and the switch key (51) is used for switching the battery handle (5) when supplying power.
6. The handheld real-time 3D reconstruction device for construction according to claim 1, characterized in that: An external mobile phone (6) is buckled onto the surface of the mobile phone holder (7), and the external mobile phone (6) is used for real-time display and control of the device (1).