A magnetic memory mobile scanning sound and light alarm system
A mobile scanning, sound and light alarm technology, applied in the direction of material magnetic variables, etc., can solve the problems of inconvenient portability, high price, large size, etc., and achieve the effect of easy portability, low cost, and miniaturization
Active Publication Date: 2021-12-21
SHENYANG POLYTECHNIC UNIV
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Problems solved by technology
However, the traditional mobile scanning magnetic memory detector is relatively large in size and needs a desktop computer to assist analysis, so it is extremely inconvenient to carry, not conducive to long-term field operations, and expensive
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[0049] As shown in the figure, the present invention includes a single-chip microcomputer, a sensor, an A / D converter, an external parameter memory, an alarm part, a reset part and an external interrupt part, and the detection signal output port of the sensor is connected with the detection signal input port of the A / D converter , the detection signal output port of the A / D converter is connected with the detection signal input port of the single-chip microcomputer, the reset signal input port of the single-chip microcomputer is connected with the reset signal output port of the reset part, and the interrupt signal input port of the single-chip microcomputer is connected with the interrupt signal of the external interrupt part The output port is connected, the alarm signal output port of the single-chip microcomputer is connected with the alarm signal input port of the alarm part, and the storage signal output port of the single-chip microcomputer is connected with the storage s...
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A novel magnetic memory mobile scanning sound and light alarm system belongs to the technical field of metal material mobile scanning flaw detection monitoring and detection, and in particular relates to a new magnetic memory mobile scanning sound and light alarm system. The invention provides a novel magnetic memory mobile scanning sound and light alarm system with low cost and suitable for field operations. The present invention includes single-chip microcomputer, sensor, A / D converter, external parameter storage, alarm part, reset part and external interrupt part, and its structural key point is that the detection signal output port of sensor is connected with the detection signal input port of A / D converter, A The detection signal output port of the / D converter is connected to the detection signal input port of the single-chip microcomputer, the reset signal input port of the single-chip microcomputer is connected to the reset signal output port of the reset part, and the interrupt signal input port of the single-chip microcomputer is connected to the interrupt signal output port of the external interrupt part connected.
Description
technical field [0001] The invention belongs to the technical field of mobile scanning flaw detection monitoring and detection of metal materials, and in particular relates to a magnetic memory mobile scanning sound and light alarm system. Background technique [0002] With the development of modern productivity, metals have been applied to various fields of our lives, but the economic losses caused by metal damage are also increasing year by year. However, the general non-destructive testing technology can only detect the cracks or defects that have been formed, but cannot detect the fatigue damage caused by stress concentration in an early stage. The principle of metal magnetic memory is that ferromagnetic materials form magnetic and elastic interaction energy under the action of stress, reorienting the magnetization, resulting in changes in the magnetic field strength to achieve the purpose of measurement, so early detection of metal materials can be carried out. However...
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IPC IPC(8): G01N27/85
CPCG01N27/85
Inventor 刘斌张贺何璐瑶任建王缔姜贵民
Owner SHENYANG POLYTECHNIC UNIV