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.
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[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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