Device for detecting concentration of target substance in seawater

A technology of a target substance and a detection device, applied in the field of marine environment monitoring, can solve the problems of inconvenience to carry and use, large volume, etc., and achieve the effects of easy collection, simple operation, and improved fluorescence collection efficiency

Pending Publication Date: 2022-05-20
OCEAN UNIV OF CHINA
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  • Abstract
  • Description
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Problems solved by technology

However, the existing detection devices for the concentration of chl

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  • Device for detecting concentration of target substance in seawater
  • Device for detecting concentration of target substance in seawater
  • Device for detecting concentration of target substance in seawater

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[0027] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0028] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention belongs to the field of marine environment monitoring, and discloses a device for detecting the concentration of a target substance in seawater, which comprises a pressing ring, a front cylinder, a rear cylinder and a rear end cover which are connected in sequence, an optical glass window is arranged between the pressing ring and the front cylinder; a fluorescent probe is arranged in the front cylinder; an incidence channel and a detection channel are formed in the fluorescent probe, an incidence unit is arranged in the incidence channel, the incidence unit comprises a light source converging lens and a light source which are sequentially arranged, a detection unit is arranged in the detection channel, and the detection unit comprises a fluorescent light collecting lens, an optical filter and a fluorescent light detector which are sequentially arranged; a target substance concentration detection circuit is arranged in the rear cylinder, a mounting hole is formed in the rear end cover, a connector is arranged in the mounting hole and extends into the rear cylinder to be connected with the target substance concentration detection circuit, the center wavelength of the light source is the fluorescence excitation wavelength of a target substance, and the center wavelength of the optical filter is the center wavelength of excitation fluorescence of the target substance. Miniaturized design of the whole detection device is achieved, operation is easy and convenient, and use is convenient.

Description

technical field [0001] The invention belongs to the field of marine environment monitoring and relates to a detection device for the concentration of a target substance in seawater. Background technique [0002] Harmful algal blooms are one of the most prominent ecological disasters in coastal areas. In recent years, large-scale harmful algal blooms have emerged continuously. pose a serious threat. The content of chlorophyll a in the ocean is an important parameter to evaluate the water quality and nutrient level of seawater. It can reflect the number of producers such as algae and phytoplankton in seawater, and it is usually used to represent the content of algae and phytoplankton in seawater. Therefore, the use of instruments to measure the concentration of chlorophyll in seawater can be used in marine ecological research and monitoring and early warning of harmful algal blooms. [0003] The method of detecting the concentration of chlorophyll a in seawater by fluorescen...

Claims

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Application Information

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IPC IPC(8): G01N21/64
CPCG01N21/645G01N2021/6463
Inventor 李春郑雪飞元光薛庆生
Owner OCEAN UNIV OF CHINA
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