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Ocean acoustic turbidity sensor

A turbidity sensor and acoustic technology, applied in scientific instruments, using sonic/ultrasonic/infrasonic waves to analyze fluids, measuring devices, etc., to achieve the effects of easy fabrication, simple structure, and favorable sealing treatment.

Inactive Publication Date: 2006-07-12
INST OF OCEANOLOGY - CHINESE ACAD OF SCI +1
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to provide an optical turbidity sensor that is easily affected by the soluble chromaticity and the insufficiency of accurate measurement due to factors such as occlusion when the turbidity of water or transparent liquid is large, and applies the acoustic principle to turbidity measurement. Ocean Acoustic Turbidity Sensor

Method used

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Embodiment Construction

[0016] Such as figure 1 As shown, the specific structure of the present invention is as follows: it includes a cylindrical cavity 1 processed from circular stainless steel with a closed end surface, a transducer 3 arranged on the inner side of an end surface of the cavity 1, and a transducer 3 disposed in the cavity 1. The circuit box 2 of the circuit box 2, wherein the end face of the cavity 1 with the transducer 3 is processed with a boss extending to the periphery, and the boss is connected to the legs of the bracket (four in this embodiment) by a stud, and the bracket The other end of the circuit box 2 is fixedly connected with the reflection plate 5 parallel to the transducer 3 through bolts, and the other end surface of the cavity 1 is provided with an outlet hole, and the output signal of the circuit box 2 is led out to the data processing system through the cable 8 through the outlet hole. The O-ring and the cover inserted from the outside are pressed between the outle...

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Abstract

The invention provides a turbidity sensor in marine acoustics, which comprises a column cavity with sealed ends, a transducer and an opposite baffle board arranged in / out one cavity end, and a circuit box in cavity, a ling through port on another cavity end to lead out the output signal from circuit box through the port to a data treatment system by cable, and sealing material arranged between port and cable. This invention is easy to manufacture, has no limit to pressure resistance and sealing, and has simple structure with accurate detection.

Description

technical field [0001] The invention relates to a turbidity measuring device for seawater or fresh water, in particular to a marine acoustic turbidity sensor for quantitatively characterizing insoluble particulate matter suspended in water or transparent liquid. Background technique [0002] In the scientific investigation of the marine field, the turbidity of seawater is an important parameter for scientists to study marine science. For example, scientists often use turbidity and other data to judge the hydrothermal activity area of ​​the seabed. The turbidity sensors commonly used in the prior art are all manufactured by optical principles, that is, quantitatively characterized by the scattering degree of light produced by insoluble substances suspended in water or transparent liquids. However, the absorption and attenuation of light waves in water is extremely large, and it is easily affected by soluble chromaticity; when the turbidity of water or transparent liquid is la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06G01N29/02
Inventor 郑大钧曾志刚郑进鸿李兆学
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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