Magnetic flux leakage detection probe

A technology of magnetic flux leakage detection and magnetic circuit, applied in the direction of material magnetic variable, etc., can solve the problem that the sensor probe has not been seen, and achieve the effect of strong defect resolution, stable operation and compact structure

Inactive Publication Date: 2018-05-29
青岛炫昌能源装备有限公司
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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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  • Magnetic flux leakage detection probe
  • Magnetic flux leakage detection probe
  • Magnetic flux leakage detection probe

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Embodiment Construction

[0021] The following will be further described in conjunction with the accompanying drawings, not to 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 contained in the housing 1 . The magnetic circuit structure is composed of permanent magnets 3, the permanent magnets 3 are fan-shaped structures, the central angle of the fan-shaped structures is 45°, and the number of the fan-shaped structures is 8 pieces. The magnetic circuit structure is cylindrical, and a cylindrical plastic inner pad 4 is arranged on the inner side of the magnetic circuit structure, and a cylindrical protective layer 2 is arranged on the outer side of the magnetic circuit structure, and the protective layer 2 is made of industrial pure Made of iron. The inner middle part of the protective layer 2 is provided with a circuit board clamping position 6, and a circuit board 7 is fixed on ...

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Abstract

The invention relates to a magnetic flux leakage detection probe, which comprises a shell, a probe and a magnetic circuit structure, wherein the magnetic circuit structure comprises a permanent, the magnetic circuit 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 of the inner side of the protection layer is provided with a circuit board clamping position, a circuit board is fixed on the circuit board clamping position, and is provided with a data line snapping groove interface, and the probe is connected to the data line snapping groove interface through a data line. According to the present invention, the magnetic flux leakage detection probe has advantages of reasonable structure design, advanced process, reliable performance and stable operation, and can perform high-quality detection on the strand breakage condition of the ferromagnetic steel core in the aluminum stranded wire in the detection of transmission lines.

Description

technical field [0001] The invention relates to an ultrasonic detector, in particular to a magnetic flux leakage detection 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 requires a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/87
CPCG01N27/87
Inventor 郝新光
Owner 青岛炫昌能源装备有限公司
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