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Integrated probe type photoelectric water-quality multi-parameter online measuring system

A measurement system and multi-parameter technology, applied in the direction of scattering characteristic measurement, fluorescence/phosphorescence, material excitation analysis, etc., can solve the problems of restricting water quality environment monitoring and control, and backward sensor technology, so as to achieve fast detection speed and avoid secondary Effects of pollution and impact reduction

Active Publication Date: 2015-06-24
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the instruments for measuring water quality by spectrometry are basically monopolized by western developed countries. Compared with them, my country's spectrometry water quality environment detection and sensor technology are backward, and lack independent intellectual property rights with reasonable price, comprehensive analysis parameters, real-time, fast and accurate This situation seriously restricts the monitoring and control of the water quality environment

Method used

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  • Integrated probe type photoelectric water-quality multi-parameter online measuring system

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Embodiment

[0036] The left light source 12 of the present invention is a circularly distributed low-power LED array composed of 6 LEDs with different central wavelengths. The wavelength range of the light source is 370nm-650nm; the LED range can be adjusted according to needs, and different wavelength combinations can be selected. Can choose 370nm, 460nm, 535nm, 580nm, 600nm, 630nm LED composition, used for the classification and concentration measurement of algae (diatoms, green algae, cyanobacteria and cryptophytes) in various water bodies such as fresh water and sea water. The number of LEDs is also Can be adjusted according to needs, the number can be 2, 4, 6, 8, etc. The center wavelength of the ultraviolet LED in the right light source 15 can be 265 nm, and the wavelength of the near-infrared LD can be 880 nm. In the rotating filter 5, the filter A501 can be a 685nm bandpass filter for algae testing; the filter B502 can be a 360nm filter for hydrocarbon testing. The collection devi...

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Abstract

The invention discloses an integrated probe type photoelectric water-quality multi-parameter online measuring system. The integrated probe type photoelectric water-quality multi-parameter online measuring system comprises a control and data acquiring unit and an optical system unit, wherein the control and data acquiring unit comprises an upper computer, a control and data acquiring unit and an acquiring device, the optical system unit comprises a composite light source and a light path, the composite light source comprises a left light source and a right light source, the left light source is an LED array composed of many LED light sources different in wavelength, and the right light source is composed of ultraviolet LED light sources and near-infrared LD (laser diode) light sources. The upper computer controls the light source to emit different wavelengths of light to irradiate water body to be detected by the control and data acquiring unit and triggers substances of the water body to be detected to emit fluorescent and scattered light signals. The integrated probe type photoelectric water-quality multi-parameter online measuring system has the advantages that direct detection can be realized without any chemical reagent, data detection is fast and complicated steps are avoided. Meanwhile, detection of types and concentration of various algae in the water and online detection of hydrocarbon content and turbidity can be completed; detection can be independent and accurate, and different needs of environment monitoring are met.

Description

Technical field [0001] The patent of the invention relates to an online in-situ detection device, specifically an online in-situ measurement system for water quality. technical background [0002] With the rapid development of the national economy, the economy has taken off, and the productivity has increased, the water quality and environment of our country have also suffered severe damage. Industrial wastewater discharge, increased navigation, and oil spills have caused eutrophication and increased hydrocarbon content in water bodies, resulting in excessive phytoplankton in the water body, causing frequent red tides in coastal waters in recent years, and excessive phytoplankton depleting dissolved oxygen in the water , Resulting in frequent deaths of a large number of aquatic organisms. In the fields of aquaculture, environmental monitoring, medical and health, and scientific research, it is necessary to grasp the changes of various parameters in the water body in real time fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64G01N21/49
Inventor 冯巍巍蔡宗岐马正
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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