High-precision intelligent turbidity detecting device and calibration and using method thereof

A detection device and high-precision technology, which is applied in the direction of measuring device, transmittance measurement, scattering characteristic measurement, etc., can solve the problems of high price and low precision, achieve low cost, long transmission distance, and realize the effect of remote real-time online detection

Active Publication Date: 2019-06-14
OCEAN UNIV OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most of the turbidimeters currently on the market use the 90° scattering method, which has low precision and is expensive

Method used

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  • High-precision intelligent turbidity detecting device and calibration and using method thereof
  • High-precision intelligent turbidity detecting device and calibration and using method thereof
  • High-precision intelligent turbidity detecting device and calibration and using method thereof

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Embodiment 1

[0042] Example 1, such as figure 1 , as shown in 2, the present embodiment discloses a high-precision intelligent turbidity detection device, the device is divided into three layers, the bottom probe structure includes a photodiode and two light-emitting diodes on the same horizontal plane, two One of the light-emitting diodes is facing the photodiode, and the other is perpendicular to the photodiode; the top layer is a circuit board 1, which includes a constant current source drive circuit 114 and a range switching circuit 113 electrically connected to the constant current source drive circuit. The circuit is respectively electrically connected with two light emitting diodes 112 in the bottom probe structure, and also includes an I / V conversion circuit 19 electrically connected with the photodiode 111 in the bottom probe structure, and the I / V conversion circuit is connected with the amplification filter circuit 18 and The preamplifier circuit 16 is electrically connected, th...

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Abstract

The invention discloses a high-precision intelligent turbidity detecting device and a calibration and using method thereof. The device is divided into three layers, the probe structure of the bottom layer comprises a photodiode and two light emitting diodes on the same horizontal surface, one of the two light emitting diodes directly faces the photodiode and the other is perpendicular to the photodiode; the top layer is a circuit board comprising a constant current source driving circuit and a range switching circuit electrically connected to the constant current source driving circuit, and the range switching circuit is electrically connected to the two light emitting diodes in the bottom probe structure respectively. The high-precision intelligent turbidity detecting device disclosed bythe invention combines two measuring methods of 90-degree scattering method and transmission method, has high measuring precision and wide measuring range, and can be used in various measuring occasions. The cost-effective device having low cost and strong practicability is selected to obtain good application prospect and promotion value in the field of water quality detection.

Description

technical field [0001] The invention belongs to the field of water quality detection devices, and in particular relates to a high-precision intelligent turbidity detection device in the field, a calibration method and a use method thereof. Background technique [0002] Turbidity is a unit used to characterize the degree of turbidity in water bodies, and is a very important physical indicator in water quality monitoring. Whether at home or abroad, the parameter index of turbidity must be tested for people's domestic water and process water in other industries, and it is also necessary to test the turbidity of sewage produced in rivers, rivers, lakes, seas and human production and life. size detection. [0003] According to the measurement principle of turbidity, the measurement methods of turbidity are divided into transmission method and 90° scattering method. At present, the commonly used measurement method in the world is the 90° scattering method. This measurement metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/47G01N21/59G01N21/01
Inventor 綦声波尹保安于敬东
Owner OCEAN UNIV OF CHINA
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