Magnetic powder concentration sensor of magnetic suspension

A concentration sensor and magnetic suspension technology, applied in the field of concentration sensors, can solve the problems of inaccurate detection results, affecting the quality of magnetic particle flaw detection of rail vehicle parts, and the inability to realize real-time detection, etc., and achieve the effect of high detection accuracy

Inactive Publication Date: 2005-12-28
曾德文
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the magnetic particle flaw detection system of rail vehicle parts, the magnetic particle concentration is either detected qualitatively based on experience, or the magnetic particle concentration of the magnetic suspension is obtained by detecting the density. Inaccurate results, ultimately affecting the quality of magnetic particle testing of rail vehicle components
In addition, this kind of detection cannot realize real-time detection

Method used

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  • Magnetic powder concentration sensor of magnetic suspension

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Embodiment Construction

[0009] A magnetic suspension liquid magnetic particle concentration sensor used in a magnetic particle flaw detection system for rail vehicle parts, which is composed of an inductance coil loop 1, a current sensor 2 and a non-magnetic tube 3, and the inductance coil loop 1 is composed of an inductance coil 11 and a current sensing line 12 The non-magnetic tube 3 is arranged in the inductance coil 11 of the inductance coil circuit 1. One end of the non-magnetic tube 3 is the inlet of the magnetic suspension, and the other end is the outlet of the magnetic suspension. The current sensor 2 is set in the induction coil circuit 1. On the current sensing line 12, the above-mentioned current sensor 2 adopts a current sensor whose model is WBI4114aD1.

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Abstract

A transducer of magnetic powder concentration in magnetic suspension is prepared by forming inductive coil loop by connecting electric inductive coil with current sensing wire in series, setting nonmagnetic conduction tube in inductive coil of inductive coil loop as one nonmagnetic conduction tube end used as inlet of magnetic suspension and another used as outlet of said suspension, sheathing current transducer on current sensing wire of inductive coil loop.

Description

technical field [0001] The invention relates to a concentration sensor, in particular to a magnetic suspension liquid magnetic particle concentration sensor used in a magnetic particle flaw detection system for rail vehicle components. Background technique [0002] In the magnetic particle flaw detection system of rail vehicle parts, the magnetic particle concentration is either detected qualitatively by experience, or the magnetic particle concentration of the magnetic suspension is obtained by detecting the density. Inaccurate results ultimately affect the quality of magnetic particle testing of rail vehicle components. In addition, this detection cannot realize real-time detection. Contents of the invention [0003] The invention provides a magnetic suspension liquid magnetic powder concentration sensor capable of real-time detection and high detection accuracy. [0004] The present invention adopts fol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/85
Inventor 曾德文
Owner 曾德文
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