Device and method for measuring surface shape of liquid or solid in rotating container

A technology of rotating container and solid surface, applied in the field of topography measurement, can solve problems such as difficulty, achieve the effect of simple structure, overcome different topography, and eliminate light interference

Inactive Publication Date: 2017-09-26
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The phase method needs to simultaneously capture the measured object from different angles for three-dimensional reconstruction, which is not suitable for the measurement of the surface of the rotating liquid with high rotation s

Method used

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  • Device and method for measuring surface shape of liquid or solid in rotating container
  • Device and method for measuring surface shape of liquid or solid in rotating container
  • Device and method for measuring surface shape of liquid or solid in rotating container

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Embodiment Construction

[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0040] like figure 1 Said, the present invention is used for the experimental structure of liquid or solid surface topography measurement method in the rotating container, is made up of camera 1, laser device 2, chopper plate 3, transparent sealing plate 4, rotating container 5, chopper window 6. The chopping plate 3 and the rotating container 5 are fixedly connected coaxially by the rotating shaft, and there is a gap between the chopping plate 3 and the rotating container 5; the transparent sealing plate 4 can be fixedly connected to the rotating container 5, such as adhesive connection, to ensure the chopping The plate 3, the transparent sealing plate 4 and the rotating container 5 move synchronously, and ensure that the sealing effect of the rotating container 5 is good; a chopping window 6 is provided on the chopping plate 3, and a laser 2 is fixedly fixe...

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PUM

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Abstract

The invention relates to a device and a method for measuring the surface shape of liquid or solid in a rotating container. The device comprises a camera, and a chopping plate and a rotating container coaxially and fixedly connected by a rotating shaft. There is a gap between the chopping plate and the rotating container. The rotating container can be fixedly connected with a transparent sealing plate. The chopping plate is provided with an adjustable chopping window. A laser is arranged above the chopping window. The lens of the camera is disposed between the chopping plate and the transparent sealing plate, and faces the transparent sealing plate. A stable surface projection line is obtained through a laser projection method in which a chopping window is added. A liquid surface projection line of high brightness and contrast is obtained through a long-time multi-ring measurement method of synchronous chopping. The device and the method are applicable to high-speed liquid or solid measurement. The problem that liquid has different shapes in a high-speed running state and in a static state is overcome. Through an image processing method and optimization and integration, the surface shape of liquid or solid in a state of rotation can be obtained quickly.

Description

technical field [0001] The invention belongs to the field of shape measurement methods, and in particular relates to a device and method for measuring the surface shape of liquid or solid in a rotating container. Background technique [0002] In order to quantitatively study the three-dimensional shape characteristics of the object, it is necessary to use the necessary measurement methods to obtain the surface profile parameters of the object, and then achieve the purpose of reconstructing the surface characteristics of the object. With the development of industry, in order to ensure product quality, many products with complex curved surfaces need to measure and monitor the performance of products by measuring the surface topography of products, such as the shape of turbine blades, aircraft shells, etc. [0003] At present, the surface three-dimensional topography measurement method of static objects has been relatively mature, and products tending to be commercialized have ...

Claims

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Application Information

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IPC IPC(8): G01B11/24
CPCG01B11/2433
Inventor 张西宁张海星吴婷婷尤亚男
Owner XI AN JIAOTONG UNIV
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