Turbidity sensor and water body turbidity on-line detection method

A technology of turbidity sensor and temperature sensor, which is applied in the field of electronic information, can solve the problems affecting the accuracy of turbidity detection, and achieve the effect of high turbidity detection accuracy

Active Publication Date: 2013-02-13
重庆远感科技有限公司
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Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a turbidity sensor with improved design and structure, so as to solve the problems of the turbidity

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  • Turbidity sensor and water body turbidity on-line detection method

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[0032] The technical scheme of the present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0033] The invention provides a turbidity sensor. Compared with the prior art, the turbidity sensor of the invention has improvements in design and structure. Such as figure 1 As shown, the similarity with the prior art is that the turbidity sensor of the present invention also includes a housing 10, a detection and control integrated circuit 20, a light source 30, and a photoelectric conversion device 40; wherein, the detection and control integrated circuit 20 can be a single-chip microcomputer, An integrated circuit with a microprocessor as the core, such as an embedded chip, is used to control the turbidity detection process, collect data, and process and output the turbidity detection result; the light source 30 is used to emit incident light to the water body to be tested; the photoelectric conversion device 40 It is use...

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Abstract

The invention discloses a turbidity sensor and a water body turbidity on-line detection method. The turbidity sensor is of a special structure; the phenomena that the turbidity detection accuracy is influenced by attaching pollutants in a water body on a transmitting lens is possibly avoided; the condensation water mist on the transmitting lens is prevented by virtue of heating so as to eliminate the influence of the mist of the transmitting lens on detection; scattered light of the water body is acquired by an annular photovoltaic conversion device in 360 degrees, so that the effective received quantity of the scattered light is increased to the maximum extent; and the signal of an operation amplifying device is not needed to be amplified to guarantee the stability and reliability of the turbidity sensor. By utilizing the water body turbidity on-line detection method of the turbidity sensor, output voltage values, acquired for many times of a photovoltaic conversion device, are used and a processing mode that the average value is taken is adopted; modes of heating and light control are combined during the detection process every time, so that the detection error caused by the mist of the transmitting lens and the unstable light sources is eliminated, and the turbidity detection accuracy is further guaranteed.

Description

technical field [0001] The invention belongs to the technical field of electronic information, and in particular relates to a turbidity sensor and an online detection method for water turbidity. Background technique [0002] With the improvement of people's living standards and the continuous deepening of research on the relationship between drinking water and health, people's requirements for drinking water quality are also increasing. Turbidity is a characteristic parameter of the optical properties of water. It is not only one of the important indicators to measure the goodness of water quality, but also an important basis for evaluating the effect of water treatment. Therefore, the online detection of water turbidity has very important practical significance. [0003] At present, the turbidity of water can usually be detected by the scattering method. The detection principle of the scattering method is to use a light source to inject a beam of incident light with a fixed...

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Application Information

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IPC IPC(8): G01N21/49G01N21/15
Inventor 唐云建韩鹏孙怀义胡晓力莫斌董宁彭红梁晶
Owner 重庆远感科技有限公司
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