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Sample multi-spectrum parallel generation device for water quality analysis

A technology for water quality analysis and generation device, which is applied in measurement devices, analysis materials, color/spectral characteristic measurement, etc.

Pending Publication Date: 2018-01-26
HANGZHOU SIGMARO ELECTRO OPTICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If this method is used for water quality testing, it will face the problem of time-consuming

Method used

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  • Sample multi-spectrum parallel generation device for water quality analysis
  • Sample multi-spectrum parallel generation device for water quality analysis

Examples

Experimental program
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Embodiment Construction

[0013] Specific embodiments of the present invention will be further described in detail below.

[0014] The first embodiment of a sample multi-spectrum parallel generating device for water quality analysis of the present invention includes a transmitting unit, a testing unit and a spectrum receiving unit. After the multi-spectral detection of the water quality sample starts, the pulse light source 1 in the emission unit excites white light in the form of pulses by means of instantaneous discharge, with a spectral range of 200-1100nm. The pulsed light generates a trigger signal 13 through photoelectric coupling, triggers the grating synchronous deflector 3 to drive the diffraction grating 2 to deflect a predetermined diffraction angle, and is coupled to the optical splitter 4 through the optical fiber 11 to generate different wavelengths with adjustable time periods and durations. Scan a monochromatic beam. After the single-wavelength scanning beam enters the test unit, it is...

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Abstract

The invention discloses a sample multi-spectrum parallel generation device for water quality analysis. The device comprises an emitting unit, a testing unit and a receiving unit and is characterized in that the emitting unit comprises a pulse light source 1, a diffraction grating 2, a grating synchronous deflector 3 and an optical splitter 4, and scanning monochromatic light beams with different wavelengths are generated with adjustable time periods and durations; the testing unit comprises collimating lens sets 5, a Raman probe 6, a fluorescent probe 7 and a sample measuring tank 8, and different types of optical effects generated by the light beams in a water body are detected after the scanning monochromatic light beams are received; the receiving unit comprises a three-channel spectrometer 9 and an embedded computer 10 and is responsible for synchronizing the emitting unit, the testing unit and the receiving unit, so that digital signals of an absorption spectrum, a Raman scattering spectrum and a fluorescence emission spectrum are generated in parallel. By means of the device, three sample spectra with different properties can be generated simultaneously on the same optical path detection device, and the device is used for optical method based water quality monitoring calculation.

Description

technical field [0001] The invention relates to a sample spectrum generating device for optical water quality monitoring, belonging to the technical field of water quality monitoring. Background technique [0002] Water resources are an important resource to ensure social and economic development. Water quality analysis can evaluate and identify the current available water resources in my country, discover problems in water resources in a timely manner and provide reference for solutions. [0003] Optical water quality detection technology is a new type of water quality detection technology with fast analysis speed (generally 10 -1 -10 0 min order of magnitude), no reagents (and possible secondary environmental pollution caused by reagent discharge), simple equipment structure, maintenance-free, low environmental requirements for equipment installation, low equipment construction investment and equipment maintenance costs The advantages. The working mechanism is to use di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01G01N21/31
Inventor 吴铁军李宏潘汉青
Owner HANGZHOU SIGMARO ELECTRO OPTICAL TECH
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