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Method and device for measuring sediment concentration of vertical fracture surface of model by means of optical method

A technology for measuring models and concentrations, which is applied in the field of sediment concentration measurement, can solve the problems of inaccurate measurement of sediment content, unmeasured characteristics of sediment movement, etc., and achieve the effect of improving efficiency

Inactive Publication Date: 2017-02-01
NANJING HAWKSOFT TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0008] The invention discloses a method for measuring the sediment concentration in the vertical section of the model by using an optical method, which is used to make up for the defects of inaccurate measurement of the sediment content and complicated process and the defect that the characteristics of the movement of the sediment can hardly be measured in the existing model, and A measuring device based on this method is disclosed

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  • Method and device for measuring sediment concentration of vertical fracture surface of model by means of optical method
  • Method and device for measuring sediment concentration of vertical fracture surface of model by means of optical method
  • Method and device for measuring sediment concentration of vertical fracture surface of model by means of optical method

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Embodiment 1

[0033] The invention discloses an optical method for measuring sediment concentration in a vertical section of a model, comprising: an image acquisition module 1, a synchronization module 2, a laser 3, and a reflector 4. The above image acquisition module includes an endoscope 5 and an exposure device.

[0034] Described endoscope 5 is a fiber optic endoscope;

[0035] Described fiber optic endoscope comprises: a plurality of optical fiber lens 51, optical fiber 52, photoreceptor, fiber optic lens 51; Described laser device 3 emits laser light 6, and laser light 6 is imaged on the photoreceptor after irradiating sediment, after imaging, passes through optical fiber The image is transmitted to the photoreceptor, and the photoreceptor is exposed under the control of the exposure device, and the electrical signal after exposure is transmitted to the image acquisition module 1;

Embodiment 2

[0037] The invention discloses an optical method for measuring sediment concentration in a vertical section of a model, comprising: an image acquisition module 1, a synchronization module 2, a laser 3, and a reflector 4. The above image acquisition module includes an endoscope 5 and an exposure device.

[0038] Described endoscope 5 is electronic endoscope;

[0039] Described electronic endoscope comprises: a plurality of lens 61, photoreceptor, transmission line 62, lens 61; Described laser device 3 emits laser light 6, and laser light 6 is imaged on photoreceptor after irradiating sediment, after imaging, exposure device controls The photoreceptor converts the optical signal into an electrical signal and transmits it to the image acquisition module 1 through the transmission line 62;

[0040] The exposure device and the laser 3 are connected to each other through the synchronization module 2. During the exposure process, the synchronization module 2 excites the laser to emit...

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Abstract

The invention provides a method and device for measuring sediment concentrations of multiple points on a model through a laser, and belongs to the field of hydraulic model experiments. The method comprises the steps of water body sediment concentration and laser photo relationship calibration, water body sediment concentration measurement, water body sediment concentration calculation and water body sediment movement speed calculation; the device comprises an image acquisition module, a synchronization module, a laser device and a reflector, and the image acquisition module comprises an endoscope and an exposer. The method and device have the advantages that water disturbance is eliminated, and vertical distribution characteristics of sediments are obtained; the efficiency of measuring the sediment concentrations in the model experiments is improved; the sediment movement speed can be obtained; a brand-new sediment concentration measurement solution is provided.

Description

technical field [0001] The invention discloses a method and a device for measuring sediment content, in particular a method and a device for measuring the sediment concentration in a vertical section of a model by using an optical method, and belongs to the field of hydraulic model tests. Background technique [0002] The measurement of flow sediment load and sediment concentration carried out on the model is usually carried out in the same way as on the prototype. In the prototype, the suspended sand sampling bucket is generally used to sample at different positions, and the sandy water obtained from the sampling is sedimented, dried and weighed, and the sand content per unit volume of water is calculated. On the model, the water body at the target location is usually scooped directly, and then sedimented, dried and weighed, and the sand content per unit volume of water body is calculated. However, such a measurement calculation method has two defects for model tests: [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/00G01N15/02G01M10/00
CPCG01N15/00G01M10/00G01N15/0227G01N2015/0003
Inventor 阮哲伟
Owner NANJING HAWKSOFT TECH
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