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Immersion optical fiber fluorescence phytoplankton measuring system

A measurement system and phytoplankton technology, applied in the field of detection equipment, can solve problems such as backward sensing technology, high cost, and cumbersome steps, and achieve the effects of improving signal-to-noise ratio, high reliability, and high sensitivity

Inactive Publication Date: 2011-06-15
YANTAI DONGRUN INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with developed countries, my country's deep-sea marine environment detection and sensing technology is generally backward, lacking sensing and analysis instruments with independent intellectual property rights with reasonable prices and comprehensive and accurate analyzable parameters. Detection of sea water environment
[0003] At present, the classification and detection of phytoplankton concentration can only be performed in the laboratory using high-performance liquid chromatography (HPLC) or microscopic counting method. Sample sampling is required, and then laboratory analysis is required. The steps are cumbersome, high cost, and difficult to meet Meet the real-time and rapid requirements of modern environmental monitoring

Method used

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  • Immersion optical fiber fluorescence phytoplankton measuring system
  • Immersion optical fiber fluorescence phytoplankton measuring system
  • Immersion optical fiber fluorescence phytoplankton measuring system

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Embodiment Construction

[0034] Such as figure 1 As shown, including excitation unit, fluorescence receiving unit, data acquisition and control unit;

[0035] The excitation unit includes a laser 1 and a guide fiber 3;

[0036] The fluorescence receiving unit includes an underwater immersion module 4, a detection optical fiber 2, an optical filter 10, and a photoelectric conversion module 6;

[0037] The data acquisition and control unit includes a computer 9, a data acquisition module 8, and a gating signal module 7;

[0038] in:

[0039] The computer 9 is an upper computer, which is used for data collection, processing, display storage and control of the entire system;

[0040] The laser 1 is a laser light source, which emits pulsed laser light under the control of the host computer 9, and the laser light is transmitted to the underwater module 4 through the conductive optical fiber 3;

[0041] In the underwater module 4, the laser light transmitted by the conductive optical fiber 3 is used to e...

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Abstract

The invention discloses an immersion optical fiber fluorescence phytoplankton measuring system. The system comprises an excitation unit, a fluorescence receiving unit and a data acquisition and control unit, wherein the excitation unit comprises a laser (1) and a conduction optical fiber (3); the fluorescence receiving unit comprises an underwater immersion module (4), a detection optical fiber (2), an optical filter (10) and a photoelectric conversion module (6); the data acquisition and control unit comprises a computer (9), a data acquisition module (8) and a gating signal module (7); and the whole system is divided into an underwater part and an overwater part. The immersion optical fiber fluorescence phytoplankton measuring system has an impact structure, a small volume, high sensitivity and strong anti-electromagnetic interference capacity, is convenient to maintain, can complete on-line measurement of phytoplankton in a water body at different depths so as to realize stereo measurement of the content of the phytoplankton, and can be widely applied to rapid and real-time monitoring of the concentration of the phytoplankton.

Description

Technical field: [0001] The patent of the present invention relates to detection equipment, specifically an online measurement device for phytoplankton. technical background: [0002] With the rapid development of the national economy, the water quality of my country's marine environment has also been seriously damaged, and the eutrophication of the water body has increased year by year, which has brought harm to the ecological environment and people's health, and seriously affected the sustainable development and utilization of marine resources. The content of phytoplankton is an important factor affecting water quality. Therefore, monitoring the changes in the concentration of microalgae, especially phytoplankton algae, in marine water is essential to grasp the formation mechanism of the increasingly serious "red tide" and "algae bloom". It is of great significance to grasp the water quality dynamics of marine water bodies and provide effective forecast / warning information...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64
Inventor 陈令新冯巍巍陈玲刘东艳薛钦昭
Owner YANTAI DONGRUN INSTR
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