Safe and on-line type laser optical fibre nephelometer

Abstract

The invention discloses a safe on-line laser optical fiber turbidometer which comprises an electric signal processing unit, a photoelectric device and a water-entry probe, wherein, all electric elements of the turbidometer are distributed in the electric signal processing unit, all photoelectric elements are distributed in the photoelectric device, all the optical elements are distributed in the water-entry probe; the water-entry probe comprises an emitting optical fiber and a receiving optical fiber; the emitting optical fiber and the receiving optical fiber are on the same plane; the scattering light measurement principle (namely the monotony relation that the optical intensity of the scattering light is increased with the turbidity of the liquid) is adopted; by separating the electric elements and the optical elements of the turbidometer to measure the turbidity of the liquid, the direction contact of the electric elements and the measured liquid is avoided, and the practicability, the safety and the accuracy of the product are improved.

Description

technical field [0001] The invention relates to the fields of environmental protection and chemical industry measurement, in particular to a safe on-line laser optical fiber turbidimeter. Background technique [0002] Turbidity is a measure of the clarity of water, which is caused by tiny particles such as silt, clay, microorganisms and organic matter. [0003] The liquid turbidity scattering method is defined as a characterization of the optical properties of a sample that scatters or absorbs light passing through it rather than passing through it in a straight line. Its measurement is not a direct measurement of these particles, but the effect of these particles on light A measure of scattering. [0004] There are generally two types of turbidity measurements: [0005] 1. Use light transmittance, which is estimated by using a colorimeter or spectrophotometer to measure the degree of attenuation of transmitted light intensity caused by the obstruction of particles in the ...

AI Technical Summary

Problems solved by technology

These methods have high sealing requirements because the circuit part is submerged in the liquid, especially for the measurement of some liquids that may be dangerous due to electricity, which requires a high production process and cannot measure the turbidity of the liquid in real time.

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