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Building a world-class leader in the high-end segmented market of precision engineering measurement
Tunnel Lining Detection Cabin
System Introduction
The ZOYON-SMART lightweight road inspection vehicle is equipped with tunnel lining measurement sensors, tunnel entrance measurement sensors, maintenance track measurement sensors, precision 3D road/track measurement sensors, high-precision positioning sensors, as well as supporting data acquisition and processing systems. It can achieve the acquisition of images, 3D contours, and tunnel entrance images of two, three, and four lane tunnels, and output lining defects, lining layout maps, boundary intrusion sections, and technical condition evaluation indicators. At the same time, data tracking and management can be carried out based on multiple detection results to analyze the development trend of lining diseases. The system adopts integrated technology, which has the characteristics of lightweight, easy to carry, strong adaptability, easy expansion, high precision, high frequency, and three-dimensional. Modular installation does not rely on loading platforms and can be transferred to diverse carriers such as pickup trucks, flatbed trucks, trailers, etc. It is easy to install and can be tested on the spot.
Message >Application
The ZOYON-SMART lightweight road inspection vehicle is equipped with tunnel lining measurement sensors, tunnel entrance measurement sensors, maintenance track measurement sensors, precision 3D road/track measurement sensors, high-precision positioning sensors, as well as supporting data acquisition and processing systems.
Details Introduction
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Item |
Indicator values and explanations |
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Working platform |
DC power supply |
≥1kW |
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AC power supply |
≥2kW |
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CPU |
≥16G |
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storage capacity |
≥10TB |
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Protection level |
IP65 |
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Communication mode |
4G及5G |
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Navigation and positioning system |
Distance positioning accuracy |
2cm |
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Dynamic plane positioning accuracy |
≤1m |
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Real time attitude accuracy |
0.01° |
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Speed accuracy |
0.02m/s |
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3D |
All |
Detection speed |
≥80km |
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Tunnel |
Measurement type |
Holes, entrances, lining cracks, water leakage, deformation, maintenance channels, etc |
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Lighting method |
Line laser illumination |
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Lining recognition accuracy |
≤0.2mm/pix |
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Lining contour accuracy |
≤5mm/pix |
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3D Pavement Detection System |
Measurement type |
Cracks, repairs, potholes, oil spills, bulges, settlements, etc |
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Vertical sampling interval |
1mm |
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Effective collection width of road surface |
≥3.75m |
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Horizontal measurement accuracy |
≤0.5mm |
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Elevation measurement accuracy |
≤0.3mm |
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Deviation in horizontal and vertical length measurement |
≤5% |
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Road surface cross-sectional measurement module |
Measurement type |
Rutting |
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Horizontal average sampling interval |
≤1mm |
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Number of horizontal sampling points |
≥2000个 |
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Longitudinal minimum sampling interval |
1mm |
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Effective cross-sectional collection width |
≥3.75m |
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Depth measurement accuracy |
≤0.5mm |
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Repeatability |
≤5% |
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Right of way |
resolving power |
＞10 million pixels |
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Accuracy of identifying defects at the entrance and exit of the cave |
≤1mm/pix |
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Collection frequency |
Not less than 100 frames per kilometer |
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Collection interval |
5～100m |
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Output of Achievements
Based on micro BIM modeling technology, intelligent output of diverse deliverables can be achieved, and the styles of each deliverable can be customized based on templates. The system greatly reduces manual work and improves the quality and standardization of deliverables. The supported deliverables are shown in the table below：
Tunnel lining detection cabin system parameters
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Achievements |
Description |
Format |
Model |
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Exhibition |
Extend the tunnel lining image into a high-definition image at specified intervals, and label all lining disease information. |
jpg |
Auto |
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CAD |
Mark the lining and pavement defects on the CAD drawings, and mark them on the extension surface of the lining according to a certain proportion based on the actual dimensions. |
dxf |
Auto |
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Distress List |
Export lining and pavement defects as Excel forms, detailing the location, size, type, scale, and other information of all lining defects in the tunnel. |
xlsx |
Auto |
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Distress pictures |
Output high-definition images of all tunnel lining and pavement disease areas. |
jpg |
Auto |
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Distress distribution map |
Output a distress distribution map and label it on the lining extension surface according to a certain proportion based on the actual size. |
jpg |
Auto |
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Sectional profile |
Output the cross-sectional profile that meets the specified requirements of the tunnel and its corresponding spatial position. For example, it is possible to output all boundary intrusion profile contours, output all profile contours with ellipticity that do not meet the requirements, and output all profile contours with perimeter that do not meet the requirements to be removed. |
jpg |
Auto |
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Cross section point cloud |
Output point cloud data for any cross-section. |
xyz |
Auto |
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Maintenance track curve |
Output the height and width variation curves of the maintenance along the tunnel direction separately. And areas that do not meet the specified requirements. |
jpg |
Auto |
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3D model |
Output tunnel micro BIM model file. |
xyz |
Auto |
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List of Mechanical and Electrical Issues |
Output a list of mechanical and electrical testing issues. |
xlsx |
Auto |
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Test report |
Output tunnel detection report. |
docx |
Auto |
Quick and Automated Construction of Micro BIM (Local Perspective 1)
Quick and Automated Construction of Micro BIM (Local Perspective 2)
Tunnel Layout Map
Partial enlarged view of tunnel lining
CAD Distress distribution map
Profile output of cross-section
Technical advantages
• High-precision：The high-precision positioning sensor adopts inertial navigation+5G communication module+Beidou/GPS, and achieves nanometer level high-precision control through a synchronous controller.
• High degree of integration：The platform integrates power supply, control, acquisition, transmission, and processing, and can integrate monitoring of technical indicators of tunnels, road surfaces, and tracks.
• Easy to carry：The experimental cabin does not require vehicle assembly and can be flexibly mounted on various vehicle carriers. And equipped with a simple transfer device for the cabin, not limited by the vehicle carrier, flexible transfer.
• Easy adaptation：Equipped with a multi-sensor rotating bracket, replaceable acquisition sensor head, supporting multi-source and multi-sensor installation and expansion. The platform is equipped with core functions, basic functions, and extended functions, which can be configured as needed.
• Intelligent：Intelligent, fast, and sub millimeter level tunnel lining modeling technology based on high-precision point cloud data. It is based on the fusion of high-definition lining images with lining spatial point cloud data, spatial positioning, and attitude data for automated calculation and modeling. The constructed model exhibits a more realistic display on the micro surface of the lining, accurately reflecting the local features of the lining surface. The entire automated modeling process takes 15 minutes per kilometer.
• Automation：It can automatically generate a detailed list of tunnel diseases, a full width distribution map of the tunnel, a CAD format distribution map of tunnel diseases, disease images, disease distribution maps, section contours, section point clouds, maintenance road curves, mechanical and electrical problem lists, micro BIM models, and inspection reports. It supports one click export of various results.
Service
• 1-year free warranty.
• Lifetime software upgrade for free.
• 7 * 24-hour online technical support.
