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Novel eddy-current sensor probe

An eddy current sensor, a new type of technology, applied in the field of eddy current detectors, can solve the problems of high-quality sensor probes that have not been seen yet, and achieve the effects of strong defect resolution, stable work, and small size

Active Publication Date: 2012-09-19
NANJING BOKENA AUTOMATION SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the test of detecting broken strands of non-ferromagnetic aluminum stranded wire, a new type of high-quality sensor probe is required, and a high-quality sensor probe of this structure has not yet been seen

Method used

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Embodiment Construction

[0023] The following will be further described in conjunction with the accompanying drawings, not to limit the scope of the present invention.

[0024] see Figure 1 to Figure 6 As shown, the present invention includes a metal cylinder conductor 1 and a saddle probe 5, the saddle probe 5 includes a housing 6, a signal line 4 and an excitation coil 3, the housing 6 is arc-shaped, and at the bottom of the housing 6 Both sides are respectively provided with two base chucks 7, and the base chucks 7 are used to fix the saddle-shaped probe 5. A detection coil 2 is respectively arranged on the top of the two base chucks 7, and a detection coil 2 is arranged on the two detection coils 2. There are two detection coils 2 connected in series between them, there are four detection coils 2, two excitation coils 3 are arranged on the upper part of the detection coils, and a signal line 4 is arranged between the two excitation coils 3 . The saddle probe 5 is arc-shaped. The number of the ...

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Abstract

The invention relates to a novel eddy-current sensor probe which comprises a metal cylindrical conductor and a saddle-shaped probe. The saddle-shaped probe comprises a square shell, a signal line and excitation coils. Two base chucks are disposed on two sides of the bottom of the shell respectively. A detecting coil is disposed on the upper portion of each base chuck. Two detecting coils which are in series connection are disposed between the detecting coils on the upper portions of the base chucks. Two excitation coils are disposed on the upper portions of the detecting coils. The signal line is disposed between the two excitation coils. The novel eddy-current sensor probe is advanced in circuit design and manufacturing process, reliable in performance and stable in operation, and can detect broken strands of non-ferromagnetic aluminum stranded conductors well.

Description

technical field [0001] The invention relates to an eddy current detector, in particular to a novel eddy current sensor probe. Background technique [0002] At present, 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 and immersion and scanning testing in the aviation industry; wheel and axle testing in railways; in power generation Weld seam inspection, multi-channel defect inspection and wall thickness inspection in the factory; casting inspection in the metallurgical industry; rail, steel rod and steel pipe inspection in the steel factory; complex applications in composite materials, such as composite materials, powder Detection of metallurgy, connection joints, broken strands of transmission lines, material properties, etc. In the test of detecting broken strands of non-ferromagnetic aluminum stranded wire, a new type of high-quality sensor pr...

Claims

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Application Information

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IPC IPC(8): G01N27/90G01N27/9013G01N27/904
Inventor 刘卫锋
Owner NANJING BOKENA AUTOMATION SYST
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