Water quality analysis system based on water-area dynamic sampling analysis method

Abstract

The invention relates to a water quality analysis system based on a water-area dynamic sampling analysis method. The water quality analysis system comprises a body, a water quality detection unit, a water sample storage unit, a water sample acquisition unit and a position control unit. The water sample storage unit moves up and down relative to the body, and a water inlet valve and a water outlet valve of the water sample storage unit are respectively installed on a water inlet and a water outlet. A cushion chamber is arranged at the water inlet valve. An impeller unit of the water sample storage unit is arranged in the cushion chamber and comprises a variable-pitch impeller set, a positioning bearing and a rotating shaft, and the blade shape of an n (n is no less than 1 and no more than N) variable-pitch impeller in the variable-pitch impeller set, from one end of the variable-pitch impeller close to the water inlet valve to the other end, satisfies the following locus equations: Xi is equal to r*cos(Thetai+2Pi*n / N), Yi is equal to r*sin(Thetai+2Pi*n / N), and Zi is equal to (n-1)*(L+a) / N+(Thetai / 2Pi)<m>*[L-(N-1)a] / N. The water sample acquisition unit conveys a water sample in the cushion chamber. The position control unit enables the water sample storage unit to move up and down.

Description

technical field [0001] The invention relates to a water quality detection system, in particular to a water quality detection ship capable of performing deep water sampling and on-site analysis and detection functions in the fluidity of water areas. Background technique [0002] Water is the source of life. With the rapid development of society and economy, the demand and dependence on water resources in the development of human society continue to increase, which puts severe pressure on the security of water resources. Based on the urgent demand for water resources for human development, it is necessary to conduct water quality testing in water areas that need to be tested, select representative indicators, and build a water resource security evaluation index system based on the connotation of water resource security, so as to have an overall impact on the overall status of water resource security in the testing waters. Quantitative and dynamic research can reflect the basic...

AI Technical Summary

Problems solved by technology

[0003] Existing water quality testing ships with deep water sampling function use more complex equipment for deep water sampling, which will occupy a large area when used in industrial parks, are not flexible enough and not beautiful; the sampling depth is also relatively small

[0004] The water quality monitoring ship disclosed in Chinese invention CN200920261183.7 uses a long mechanical arm for deep water sampling, and the long mechanical arm can only be extended to 200m; the mechanical arm uses rigid materials and is exposed outside the body, which increases the occupied area of ​​the water quality monitoring ship. It is easy to interfere with surrounding objects; sampling through the action of a rigid mechanical arm will also cause poor stability of the ship and affect safety

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