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Current vortex sensor prepared from iron cobalt vanadium alloy

An eddy current sensor, iron-cobalt-vanadium alloy technology, applied in instruments, scientific instruments, material analysis through electromagnetic means, etc., can solve the problems of weak output signal, inability to apply metal sheet and double sheet detection, poor precision, etc., to achieve Strong induction signal, good strength and toughness, low residual magnetism

Pending Publication Date: 2018-08-28
科瑞工业自动化系统(苏州)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of eddy current sensor has weak output signal and poor precision, so it cannot be applied to the detection of metal single and double sheets

Method used

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  • Current vortex sensor prepared from iron cobalt vanadium alloy
  • Current vortex sensor prepared from iron cobalt vanadium alloy

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Embodiment Construction

[0015] The eddy current sensor using iron-cobalt-vanadium alloy of the present invention comprises a housing 5, a sensor assembly arranged at one end of the housing 5, the sensor assembly includes an outer magnetic ring 1, an inner magnetic core 2 arranged inside the outer magnetic ring 1, a set The coil between the outer magnetic ring 1 and the inner magnetic core 2, the inner magnetic core 2 is made of iron cobalt vanadium alloy, the outer magnetic ring 1 is made of iron cobalt vanadium alloy, the inner magnetic core 2 is arranged inside the outer magnetic ring 1 and It is assembled with the outer magnetic ring 1. The induction magnetic core of the sensor is processed by iron-cobalt-vanadium alloy into an outer magnetic ring 1 and an inner magnetic core 2 and combined and assembled, a coil 3 is installed in the middle and the outside of the coil is fixed with a retaining ring 4 . The induction magnetic core of iron-cobalt-vanadium alloy is directly used as the external induc...

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Abstract

The invention discloses a current vortex sensor prepared from iron cobalt vanadium alloy. The current vortex sensor prepared from iron cobalt vanadium alloy comprises a housing, a sensor assembly arranged at one end part of the housing; the sensor assembly comprises an external magnetic ring, an internal magnetic core arranged in the external magnetic ring, and a coil arranged between the externalmagnetic ring and the internal magnetic core; the internal magnetic core is prepared from iron cobalt vanadium alloy; the internal magnetic core is prepared from a sensor inductive magnetic core viamodifying with iron cobalt vanadium alloy; the iron cobalt vanadium alloy is low in remanent magnetism, and high in strength and toughness, so that a protection housing is not needed; the induction coil is capable of generating a strong magnetic field after providing the induction coil with electricity, and direct action on the surface of metal to be measure is achieved, so that inductive signalsare enhanced; the current vortex sensor is mainly used for measuring single-layer and double-layer metal sheets, and is capable of determining if the detected metal sheet comprises one layer or two layers.

Description

technical field [0001] The invention relates to an eddy current sensor using an iron-cobalt-vanadium alloy, in particular to an eddy-current sensor using an iron-cobalt-vanadium alloy for the applicable working conditions of detecting metal sheets and double sheets. Background technique [0002] The eddy current sensor is an extended application of the principle of electromagnetic induction, and is widely used in the detection of axial displacement of large equipment, the measurement of radial vibration and rotational speed, etc. Eddy currents on the market are mainly non-contact installations. In the selection of magnetic materials for the sensing part, ferrite is mostly used as the magnetic material. This kind of eddy current sensor has weak output signal and poor precision, so it cannot be applied to the occasion of detecting metal single and double sheets. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/90
CPCG01N27/9006
Inventor 吴杰江宏伟徐广
Owner 科瑞工业自动化系统(苏州)有限公司
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