Five-magnetic-probe-pin magnetic conductivity detection sensor
A technology for detecting sensors and magnetic permeability, which is applied in the direction of magnetic performance measurement, etc., can solve the problems of inconvenient test methods, difficult detection, long detection cycle, etc., and achieve the effect of shortening the detection cycle, reducing the cost of consumables, and low cost
Inactive Publication Date: 2016-07-13
WUXI QIANGLI ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology
However, the detection of magnetic permeability in the traditional sense has the disadvantages of difficult detection, long detection cycle, high detection cost and inconvenient test method.
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[0015] Please refer to figure 1 , 2 as shown, figure 1 It is a two-dimensional side view of the present invention; figure 2 is a two-dimensional top view of an unwound coil of the present invention. The magnetic permeability detection sensor 1 of the five-pin magnetic probe includes a magnetic probe pin 2, a group A probe pin 3, an upper structure 4, a lower structure 5, a B group probe pin 6, a winding coil 7, a hollow channel 8, and an aviation plug The joint part 9 , the circular base 10 , the threaded structure 11 and the circular through hole 12 . Among them, the magnetic probe foot 2 is composed of the probe foot 3 of group A and the probe foot 6 of group B, the probe foot 3 of group A is composed of the upper structure 4 of group A and the lower structure 5 of group A, and the length of the upper structure 4 of group A is the same The pins 6 are equal; the coils 7 are respectively wound on the upper structure 4 of group A and the probe pin 6 of group B, the coil wo...
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The invention discloses a five-magnetic-probe-pin magnetic conductivity detection sensor, which comprises five magnetic probe pins for magnetic conductivity detection, two groups of coils for transmitting signals, a round base having an aviation plug connection portion, a circular through hole for clamping a center probe pin and a hollow channel for leading out wires. The five magnetic probe pins can be divided into two groups, wherein one group is the center probe pin, and the other group is formed by the rest four probe pins; the four probe pins are arranged symmetrically around the center probe pin; the two groups of probe pins are wound by the two groups of coils respectively; the hollow channel of the center probe pin can lead out the coil wires; and magnetization signals on the lead-out coil wires and detection signals can form a relation curve, so that magnetic conductivity of a ferromagnetic material can be reflected. The five-magnetic-probe-pin magnetic conductivity detection sensor realizes detection of magnetic conductivity, is high in detection precision, low in measurement difficulty, short in detection period and simple and flexible in test method, and can reach any position of the tested ferromagnetic material, can carry out nondestructive measurement on the material and can carry out layered test on the material better.
Description
technical field [0001] The invention relates to the magnetic permeability of ferromagnetic materials, more specifically a five-pin magnetic probe sensor suitable for detecting the magnetic permeability of ferromagnetic materials. Background technique [0002] Magnetic permeability is a property of ferromagnetic materials, which can reflect the magnetic permeability of materials. When a certain strength of magnetic field is provided by the outside world, the magnetic induction intensity of ferromagnetic materials will be generated, and the magnetic permeability refers to the ratio of the magnetic induction intensity of ferromagnetic materials under the external magnetic field to the external magnetic field intensity. [0003] The size of magnetic permeability reflects the different responses of magnetic materials to magnetic fields. Materials with different magnetic permeability are often used in different engineering environments. Therefore, the detection of magnetic permeab...
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IPC IPC(8): G01R33/12
Inventor 殷春浩
Owner WUXI QIANGLI ENVIRONMENTAL PROTECTION TECH