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Portable analysis device and method

An analysis device and analysis method technology, applied in the direction of measuring devices, analysis materials, thermal excitation analysis, etc., can solve the problems of high cost of consumables, clumsy and abrupt overall design of the instrument, inconvenient use, etc., and achieve small size and long continuous working time , Ease of holding

Pending Publication Date: 2022-04-12
HANGZHOU PUYU TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of consumables is high, it is inconvenient to use, and at the same time makes the overall design of the instrument clumsy and abrupt, such as Thermofisher products, 3kg mid-external gas cylinders, like a big tail

Method used

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  • Portable analysis device and method

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Effect test

Embodiment 1

[0030] The portable analysis device of the embodiment of the present invention, the portable analysis device includes:

[0031] A light source, a spectrometer and an analysis unit, the light source is used to emit excitation light; these devices are prior art in this field;

[0032] A casing, the light source, spectrum and analysis unit are arranged in the casing; the casing has an opening allowing the excitation light to pass through and a channel communicating with it, along the transmission direction of the excitation light, the The inner diameter of the channel gradually becomes smaller; in the direction perpendicular to the excitation light, the cross section of the channel is polygonal, and the inner wall of the channel has at least two gas outlets;

[0033] A gas cylinder and a decompression module, the gas cylinder and the decompression module are arranged in the housing, the gas provided by the gas cylinder passes through the decompression module and then sent to the ...

Embodiment 2

[0051] An application example of the portable analysis device and method according to Embodiment 1 of the present invention in metal analysis.

[0052] In this application example, in the casing, the gas cylinder and the light source are arranged side by side, the spectrometer is disposed on the lower side of the light source and the gas cylinder, and the analysis unit is disposed on the rear side of the gas cylinder and the light source; the decompression module, the solenoid valve and the The flow sensors are set in sequence and are located between the light source and the gas cylinder; the outlets of the decompression module are respectively connected to two solenoid valves, and the outlets of each solenoid valve are connected to the flow sensor and the gas outlet in turn; the hollow handle is arranged obliquely on the housing On the lower side of the handle, the battery is arranged in the handle to supply power for the light source, the spectrometer, the analysis unit and t...

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Abstract

The invention provides a portable analysis device and an analysis method, the portable analysis device comprises a light source, a spectrometer and an analysis unit, the light source is used for emitting excitation light; the light source and the spectrum and analysis unit are arranged in the shell; the shell is provided with an opening allowing the exciting light to pass through and a channel communicated with the opening, and the inner diameter of the channel is gradually reduced in the transmission direction of the exciting light; in the direction perpendicular to the exciting light, the cross section of the channel is polygonal, and the inner wall of the channel is provided with at least two gas outlets; the gas cylinder and the pressure reduction module are arranged in the shell, and gas provided by the gas cylinder is sent to the gas outlet after passing through the pressure reduction module; the valves are respectively arranged on a pipeline between the pressure reducing valve and the gas outlet; the handle is arranged on the lower side of the shell, and the battery is arranged in the hollow handle and supplies power to the light source, the spectrograph and the analysis unit. The invention has the advantages of small volume and the like.

Description

technical field [0001] The present invention relates to elemental analysis, in particular to a portable analysis device and method. Background technique [0002] The atomic emission spectrometer used for iron and steel analysis requires the analysis of C elements and other elements with sensitive spectral wavelengths in the ultraviolet band, and ultraviolet light is easily absorbed by oxygen and water in the air. Therefore, it is necessary to protect the ultraviolet light by filling it with an inert gas. Generally, argon is used, because argon can promote the formation of plasma. [0003] At present, most of these instruments are large-scale desktop instruments, which are used in laboratories and directly connected to an external argon gas supply system. The continuous maturity of the new Laser-Induced Breakdown Spectroscopy (LIBS) technology makes it possible to do handheld instruments and realize C element analysis. This technology can fill the gap in the market. However...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/71G01N21/01
Inventor 喻正宁俞晓峰王庆祥苏明跃李锐洪波吴锋明鲁佳哲
Owner HANGZHOU PUYU TECH DEV CO LTD