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Novel magnetic flux leakage sensor probe

A magnetic flux leakage sensor, a new type of technology, applied in the direction of material magnetic variables, etc., can solve the problem that the sensor probe has not yet been seen, and achieve the effects of strong defect resolution, simple and flexible system configuration, and small size.

Inactive Publication Date: 2016-05-18
王帅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the test of transmission lines, the detection of broken strands of the ferromagnetic steel core inside the aluminum stranded wire requires a new type of high-quality sensor probe, and the sensor probe of this structure has not yet been seen.

Method used

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Embodiment Construction

[0021] The following further description with reference to the drawings does not limit the scope of the present invention.

[0022] See Figure 1 to Figure 4 As shown, the present invention includes a housing 1, a probe, and a magnetic circuit structure, and the magnetic circuit structure is contained in the housing 1. The magnetic circuit structure is composed of permanent magnets 3, the permanent magnets 3 are sector-shaped structures, the central angle of the sector-shaped structures is 45°, and the number of sector-shaped structures is 8 pieces. The magnetic circuit structure is cylindrical, a cylindrical plastic inner pad 4 is provided on the inner side of the magnetic circuit structure, and a cylindrical protective layer 2 is provided on the outer side of the magnetic circuit structure. The protective layer 2 is made of industrial pure Made of iron. A circuit board clamping position 6 is provided on the inner middle part of the protective layer 2, and a circuit board 7 is...

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Abstract

The present invention relates to a novel magnetic flux leakage sensor probe, which comprises a housing, a probe and a magnetic circuit structure, wherein the magnetic circuit structure comprises permanent magnets and is cylindrical, the inner side of the magnetic circuit structure is provided with a cylindrical plastic inner pad, the outer side of the magnetic circuit structure is provided with a cylindrical protection layer, the middle position on the inner side of the protection layer is provided with a circuit board snapping position, a circuit board is fixed on the circuit board snapping position, a data wire snapping slot interface is arranged on the circuit board, and the probe is connected to the data wire snapping slot interface through the data wire. According to the present invention, the novel magnetic flux leakage sensor probe has characteristics of reasonable structure design, advanced process, reliable performance and stable working, and can detect the ferromagnetic steel core strand breakage situation inside the aluminum stranded wire in a high-quality manner during the transmission line detection.

Description

technical field [0001] The invention relates to an ultrasonic detector, in particular to a novel magnetic flux leakage sensor probe. Background technique [0002] At present, ultrasonic testing instruments are used in a wide range of fields, such as spark plug testing in the automotive industry, individual testing of safety components; composite material testing, immersion and scanning testing in the aviation industry; wheel and axle testing in railways; Weld inspection, multi-channel defect inspection and wall thickness inspection in power plants; casting inspection in metallurgical industry; rail, steel rod and steel pipe inspection in steel mills; complex applications in composite materials, such as composite materials, Detection of powder metallurgy, connecting joints, broken strands of transmission lines, material properties, etc. In the test of transmission lines, the detection of broken strands of the ferromagnetic steel core inside the aluminum stranded wire require...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/83
Inventor 王帅
Owner 王帅
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