[ Chinese instrument network instrument research and development ] With the continuous development of new technologies, instrumentation is also constantly innovating, among them, three-dimensional scanner with its unique advantages, applied in a number of industries, and has broad prospects for development.
Three-dimensional scanning measurement and control technology is an efficient, automatic, high-precision mapping technology that uses laser scanning systems to quickly, automatically, and in real time acquire three-dimensional data on the target surface. It is considered to be one of the important technologies for acquiring basic data in the “big data†era.
Safety production
The technicians of Sichuan Academy of Science and Technology at Panzhihua Branch of Sichuan Province used a three-dimensional scanner to scan the mines in Miyi County, Panzhihua City, and discovered and eliminated safety hazards in advance.
The technicians used high-resolution satellite remote sensing technology to conduct a wide range of screening on non-coal mines, through multiple phases of data to automatically identify suspected hidden points, and then use a three-dimensional scanning measurement and control equipment to carry out detailed investigation of suspected hidden points to determine the specific situation of hidden dangers, and Submit professional advice to the county safety supervision bureau.
According to reports, the data collected by the three-dimensional laser scanning instrument is used for centralized processing and intelligent analysis, combined with risk identification, informationization, and early warning technologies, to realize the full life cycle of major risk sources in the fields of mining, hazardous chemicals, and hydropower. Monitoring and early warning management.
Heritage Conservation
Tianjin University Cultural Heritage Protection and Inheritance Information Technology Research Center cooperated with Qin Shihuang Emperor’s Mausoleum to carry out a three-dimensional digital collection project for cultural relics.
After nearly two years of on-site collection of bronze horses and horses for the second year, for fully painted bronze horses and horses, scientists use advanced 3D scanning equipment to automatically measure information on a large number of points on the surface of the object, and then output and store it as point cloud data. . Using this wealth of data, people can reproduce the majesty of ancient imperial vehicles.
The scientists obtained a total of 51G point cloud data, reaching the highest accuracy of 0.02 mm on the current 3D laser scanner. In the future, it can also be applied to archaeological research, high-precision restoration and replication, digital content development, exhibitions, and cross-media applications. Wait.
In addition, in the restoration work of the Mogao Grottoes, the staff used a three-dimensional scanner to perform three-dimensional scanning on the repaired buildings, saved the original measurement data for later use and analysis, and simultaneously performed three-dimensional modeling of the Buddha statues and the building. In order to establish a three-dimensional digital display platform so that tourists can immerse themselves in the environment and experience the real cave data, which is more conducive to the protection of cultural relics.
Mechanical parts inspection
With the development of laser technology, the use of laser scanners in the detection of mechanical parts is also increasingly widespread. It can accurately measure the three-dimensional dimensions of complex components, and can accurately analyze the three-dimensional deviations of the resulting point cloud and design model to analyze deviations between components and design models.
Tunnel Surveying
Compared with traditional total stations, profilers and other devices, 3D scanners can generate real tunnel models by acquiring massive data points on the surface of the tunnel. Whether it is over-underbreak analysis or convergence deformation analysis, the results are more accurate and improved. Efficiency reduces labor costs.
According to the industry analysis and forecast, in 2018, the global industrial output value of the three-dimensional scanner will reach 7.73 billion U.S. dollars, and the annual compound growth rate will be close to 50%, which will have a huge industrial development space.
(Source: Xinhua News Agency, Sichuan Provincial People's Government, Shanghai Huaxie Navigation Technology Co., Ltd.)
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