Dynamic anti-magnetic levitation multi-dimensional density measuring device and method

Abstract

The invention discloses a dynamic anti-magnetic levitation multi-dimensional density measuring device and method. The device comprises a linear magnetic field generation device, a rotating platform, an image acquisition module and a control detection module; the linear magnetic field generation device and the image acquisition module are oppositely arranged on a rotating plane of the rotating platform; the control detection module is connected with the rotating platform and outputs a motion control instruction; the image acquisition module acquires image acquisition data of a detection sampleand outputs the image acquisition data to the control detection module; suspension poses of the detection sample in different steady states are obtained by adjusting the rotating speed of the rotatingplatform; spatial position information of the detection sample is obtained according to the image acquisition data; discretization processing is conducted on the interior of the detection sample, anda multi-point and multi-dimensional density detection result of the detection sample is obtained. According to the invention, multi-point and multi-dimensional density measurement of the detection sample can be realized, so that the processing technology of the detection sample is comprehensively evaluated.

Description

technical field [0001] The present invention relates to a technology in the field of physical detection, in particular to a dynamic anti-magnetic levitation multi-dimensional density measuring device and method. Background technique [0002] As a basic physical property of matter, the precise measurement of density is widely used in many fields, such as material performance evaluation, physical and chemical experiment process characterization, biological protein and cell detection, etc. It plays a key role in many fields, and is related to the quality production of materials It is an important link in industries such as technical safety, diagnosis and treatment of biological diseases. In recent years, commonly used density measurement methods include balance weighing method, density gradient meter method, microchannel resonance method, microwave measurement method, etc. However, most of the above-mentioned commonly used detection methods can only obtain the average density ...

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Problems solved by technology

[0003] Aiming at the limitations of existing density detection methods that cannot realize multi-dimensional density measurement, complex operation, and slow response speed, the present invention proposes a dynamic anti-magnetic levitation multi-dimensional density measurement device and method, which can test samples with irregular shapes in gravity, Stable suspension under the action of buoyancy, magnetic force and centrifugal force; by adjusting the rotation speed of the rotating platform, the suspension pose of the test sample in different steady states can be obtained, and the multi-point and multi-dimensional density measurement of the test sample can be realized through image acquisition and discretization processing. In order to comprehensively evaluate the processing technology of the test sample

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