Non-destructive testing technology is based on physical phenomena. Recalling the origin of the world's nondestructive testing technology, all physical phenomena are discovered, followed by in-depth research and application. The general laws are often first in the medical field and military industry. Field applications are then promoted to industrial applications. The development of non-destructive testing technology and the development of instrumentation equipment and systems, with the development of information technology, the use of advanced sensor technology that has been developed, combined with microelectronics and high-performance computers, production integrated (integrated), with The intelligent detection equipment for information system functions is ready. On the basis of the development of non-destructive testing integrated technology, automated integrated non-destructive testing system has also emerged with the improvement of detection requirements and the development of the manufacturing industry.
The development process of automated integrated non-destructive testing technology can be roughly summarized into three stages: instrument combination integration technology, function module integration technology, and mechatronic integration technology.
Stage 1 Instrument Assembly Integration Technology
The earliest instrument integrated non-destructive testing technology is to simply put together the detection instruments of different detection methods and assemble them into an integrated machine that can realize two or more detection methods. In the instrument, there is no data interaction or association of other functional modules between different detection methods. Since this technology is simply a superposition and combination of two or more detection devices, the volume and weight of the instrument are not simplified, and the realized functions are also relatively simple.
Second stage functional module integration technology
Functional module integration technology means that in the instrument, certain common functions of different detection methods are implemented using the same module. With this integrated instrument, when it is necessary to add a certain detection function, integration of the detection method can be realized only by inserting a dedicated module of the function on the slot of the instrument. Since some functions of the integrated mode circuit are shared, not only the detection data is fused, different detection results can also be displayed in the same screen, and the detection data obtained by different detection methods can be sent to the data fusion center to obtain the fusion result. In order to make a comprehensive assessment of the quality of the test object. In addition, using the common parts of different detection instruments to form an open digital information processing platform using Ethernet as the transmission means, common parts such as signal generation control, data acquisition, system software, and visualization can be shared. Because this kind of non-destructive testing integrated technology has a high requirement for the comprehensiveness of various signals, it must provide a high-speed connection method for the transmission of various information.
The third phase of mechatronic integration technology
The latest stage in the development of automated integrated nondestructive testing technology is mechatronic integrated NDT technology. This is an intelligent automatic detection system based on the integration of the instrument and a series of functions such as automatic control, detection, judgment and result processing of electromechanical integration. In recent years, with the continuous improvement of industrialization, and under the promotion of scientific and technological advances, automated inspection technology has also brought a tremendous boost, for example, to various types of components such as pipe and bar, plates, welds, and composite structures. The development of an integrated non-destructive testing system for automated inspection has been applied in China's aerospace and other industrial fields. The impact of the development of automated integrated nondestructive testing system on the non-destructive testing industry is enormous and will bring unparalleled benefits to the country and society.
The advantages of automated integrated nondestructive testing
1. For modern manufacturing companies that require rapid response to the market, their inefficiency is unacceptable. The advantages of automated integrated non-destructive testing are obvious, which can effectively improve the detection accuracy, save manpower, reduce labor intensity, and improve detection efficiency.
2. The harsh working environment will cause the testers to experience mood swings or distractions during the testing process. The application of an advanced automated integrated NDT system can not only greatly reduce the labor intensity of the test personnel in the harsh labor environment, but also effectively improve the test personnel. The labor emotion concentrates on the operation so as to improve the detection efficiency and quality and achieve the purpose of ensuring the quality of industrial products.
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