Underwater full-angle turbidity measurement equipment and measurement method

Abstract

The invention discloses underwater all-angle turbidity measurement equipment and a measurement method. The measurement equipment comprises a sealing cover, a cavity, a reflector ring, a light source, an ultrasonic transducer, a collimating lens group, a convex lens, a supporting seat, a pressing ring, a circuit board, a battery and a water sealing connector. The light source and the sensor are integrated in a small cavity and can be immersed in water after being sealed, so that the turbidity of surrounding water can be measured, and in-situ turbidity measurement is realized. According to the reflector ring, light scattered to each direction by a to-be-measured sample is reflected to the same direction, light intensity signals which can form various angles with incident light can be acquired by virtue of a light intensity sensor, the acquired information is comprehensive, and the turbidity is accurately measured. According to a weighted proportional method for data processing, a relationship between the light intensity and the turbidity can be accurately fitted, and the turbidity is accurately measured.

Description

technical field [0001] The invention relates to a turbidity measuring device and a data processing method thereof, specifically an underwater full-angle turbidity measuring instrument and a weighted proportional algorithm for data processing, which can quickly and accurately measure the turbidity of a water body, and is especially suitable for turbidity Where the range of variation is large. Background technique [0002] Turbidity is a quantity that characterizes the scattering and absorption properties of the measured sample to incident light. Quantitative measurement equipment and methods for turbidity have been widely used in various industries such as drinking water treatment and industrial production. At present, commercial turbidity meters are generally designed according to the international standard ISO:7027, that is, an 860nm light source is used to irradiate the sample and detect the scattered light in the direction of 90 degrees to the incident light, and the sca...

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Problems solved by technology

However, this method still has the following disadvantages: the number of sensors is increased, and more space is required; the device can only measure samples contained in colorimetric bottles, which is not conducive to in-situ real-time measurement of turbidity in a wide range of water bodies; Only light intensity signals at four fixed angles can be measured, and the scattered light intensity distribution of samples with a large variation range also varies greatly, so the fixed four angles are not enough to express all its characteristics

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