Magnetic memory fixed-point sound and light alarm control method capable of customizing errors

A sound and light alarm, custom technology, applied in the direction of material magnetic variables, etc., can solve problems such as large program volume, large equipment volume, complex algorithm, etc.

Inactive Publication Date: 2018-12-07
SHENYANG POLYTECHNIC UNIV
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  • Abstract
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Problems solved by technology

However, traditional metal magnetic memory detectors are all mobile scanning devices, which cannot monitor fixed-point metals in real time for a long time
Moreover, the filter system of the traditional metal magnetic memory detector has the characteristics of relatively large equipment volume or because of the large amount of programs, due to the complex algorithm, it is not conducive to the implementation of hardware or software. Long-term monitoring at fixed points in the field

Method used

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  • Magnetic memory fixed-point sound and light alarm control method capable of customizing errors
  • Magnetic memory fixed-point sound and light alarm control method capable of customizing errors
  • Magnetic memory fixed-point sound and light alarm control method capable of customizing errors

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Embodiment Construction

[0033] like figure 1 As shown, the present invention includes a single-chip microcomputer, a sensor, an A / D converter, an external parameter memory, an external filtering part, an infrared long-distance monitoring part, an alarm part, a reset part and an external interrupt part. The external filtering part is connected to the detection signal input port of the A / D converter, the detection signal output port of the A / D converter is connected to the detection signal input port of the single-chip microcomputer, and the reset signal input port of the single-chip microcomputer is connected to the reset signal output port of the reset part , the interrupt signal input port of the single-chip microcomputer is connected with the interrupt signal output port of the external interrupt part, the alarm signal output port of the single-chip microcomputer is connected with the alarm signal input port of the alarm part through the infrared long-distance monitoring part, and the storage signal...

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Abstract

The invention discloses a magnetic memory fixed-point sound and light alarm control method capable of customizing errors, and belongs to the technical field of fixed-point flaw detection and monitoring of metal materials. The novel magnetic memory fixed-point sound and light alarm control method can facilitate real-time monitoring of metal materials. The method comprises a system calling and dataprocessing main program, a data collection subroutine, an error value customizable filter processing subroutine and a threshold value acquisition subroutine for stopping the service program. The system calling and data processing main program utilizes an assembly pseudo instruction to set LINEADR1 as a threshold value storage address, ADTURN1 as an acquired data storage zone first address, ADTURN2as a temporary computed data storage area first address, LINEADR0 as a filtering data storage address and LINEADR2 as an error value storage address.

Description

technical field [0001] The invention belongs to the technical field of fixed-point flaw detection monitoring and detection of metal materials, and in particular relates to a magnetic memory fixed-point acousto-optic alarm control method with self-defined errors. 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, which reorients the magnetization, which leads to changes in the magnetic field strength to achieve the purpose of measurement, so early detection of metal materials...

Claims

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Application Information

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IPC IPC(8): G01N27/82
CPCG01N27/82
Inventor 刘斌张贺何璐瑶于小芮刘子淇任建
Owner SHENYANG POLYTECHNIC UNIV
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