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Ocean acoustic turbidity sensor

A turbidity sensor and acoustic technology, applied in scientific instruments, using sound waves/ultrasonic waves/infrasonic waves to analyze fluids, measuring devices, etc., to achieve accurate measurement, facilitate sealing, and reduce the overall size

Inactive Publication Date: 2009-09-16
INST OF OCEANOLOGY - CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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] like 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 outlet h...

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Abstract

The present invention provides a marine acoustic turbidity sensor, which comprises a cylindrical cavity with a closed end face, a transducer disposed inside one end face of the cavity, and a circuit box disposed in the cavity, wherein the cavity has a transducer A reflection plate parallel to the transducer is installed on the outside of the end face, and an outlet hole is provided on the other end face of the cavity. The output signal of the circuit box is led out from the outlet hole to the data processing system through the cable. With sealing material. The invention is easy to manufacture, not easily restricted by conditions such as pressure resistance and sealing, has simple structure and accurate measurement.

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 Patents(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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