Magnetic Barkhausen and magnetic parameter sensor and measurement method of magnetic Barkhausen and magnetic parameter

A magnetic parameter and sensor technology, applied in the field of material detection, can solve the problems of reduced detection efficiency, inability to comprehensively evaluate the state of metal materials, lack of materials, etc.

Inactive Publication Date: 2016-05-04
CHINA SPECIAL EQUIP INSPECTION & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a magnetic Barkhausen sensor and a magnetic parameter sensor and measurement method to at least solve the problem of the lack of a technology for simultaneously measuring magnetic Barkhausen noise and the magnetic parameters of the metal structural material in the same detection device in the related art , the technical problem of reduced detection efficiency, and the technical problem of not being able to comprehensively evaluate the material state of metal materials

Method used

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  • Magnetic Barkhausen and magnetic parameter sensor and measurement method of magnetic Barkhausen and magnetic parameter
  • Magnetic Barkhausen and magnetic parameter sensor and measurement method of magnetic Barkhausen and magnetic parameter

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Embodiment 1

[0018] According to an embodiment of the present invention, a device embodiment of a magnetic Barkhausen and a magnetic parameter sensor is provided, figure 1 It is a structural schematic diagram of a magnetic Barkhausen and a magnetic parameter sensor according to an embodiment of the present invention, such as figure 1 As shown, the device includes: a housing 12, a signal transmission interface 14, an excitation coil 16, a yoke 18 and a signal receiving assembly 20, wherein,

[0019] The signal transmission interface 14 is electrically connected with the excitation coil 16 and the signal receiving assembly 20, and is used to transmit the excitation signal to the excitation coil 16 and receive the feedback signal returned by the signal receiving assembly 20, wherein the signal receiving assembly 20 includes: a magnetic parameter measurement assembly and Barkhausen signal measurement components;

[0020] The excitation coil 16 is wound around one end of the yoke 18, and is us...

Embodiment 2

[0055] According to an embodiment of the present invention, a method embodiment of a method for measuring magnetic Barkhausen and magnetic parameters is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a set of computer-executable instructions such as and, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0056] Figure 5 It is a schematic flow chart of a measurement method for measuring magnetic Barkhausen and magnetic parameters according to an embodiment of the present invention, such as Figure 5 shown, applied to Figure 1 to Figure 4 In the shown sensor for measuring magnetic Barkhausen and magnetic parameters, the measuring method comprises the following steps:

[0057] Step S502, inputting an excitation signal through a signal transmission interface;

[0058]Step S504, triggerin...

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Abstract

The present invention discloses a magnetic Barkhausen and magnetic parameter sensor and a measurement method of a magnetic Barkhausen and magnetic parameter. The sensor comprises: a signal transmission interface electrically connected with an excitation coil and a signal receiving assembly and configured to transmit excitation signals to the excitation coil for receiving signals returned by the signal receiving assembly; the excitation coil encircled at one end of a magnet yoke and configured to trigger a magnetic parameter measurement assembly; the induction coil, in the magnetic parameter measurement assembly, encircled at the other end of the magnet yoke and configured to return a first feedback signal according to the excitation signals; and a Barkhausen signal measurement assembly connected with a housing and configured to return a second feedback signal according to the excitation signals. The problems are solved that the detection efficiency is reduced and the material state of metal materials cannot be comprehensively evaluated due to the lack of a technology capable of measuring a Barkhausen noise and magnetism parameters of the metal structure materials at the same time in the same detection device in the correlation technology.

Description

technical field [0001] The invention relates to the technical field of material detection applications, in particular to a magnetic Barkhausen sensor and a magnetic parameter sensor and measurement method. Background technique [0002] Ferromagnetic materials are widely used in engineering, such as railways, large stadiums, boilers, pressure vessels, pressure pipes, hoisting machinery, passenger ropeways, large amusement facilities and large bridges, etc. are all composed of ferromagnetic material structures, which are national Important infrastructure for economic construction and people's lives. In the process of manufacturing and serving the above-mentioned steel structures, it is often necessary to conduct non-destructive testing for defects, stress, fatigue, creep and other damages for quality control and safety assessment. In particular, high-speed train bogies are prone to cracks during the service process of the steel structure. Since the bogies are located at the b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/12G01N27/72G01N27/82
CPCG01R33/12G01N27/725G01N27/82
Inventor 沈功田郑阳谭继东
Owner CHINA SPECIAL EQUIP INSPECTION & RES INST
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