Doping gas generation device

A technology of generating device and doping gas, which is applied in the directions of measuring device, transportation and packaging, thin material processing, etc., can solve the problem of not taking into account the doping gas generating device at the same time, so as to prevent leakage, facilitate replacement or supplementation, and use The effect of improved performance

Active Publication Date: 2011-01-05
NUCTECH CO LTD
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Problems solved by technology

[0004] At present, there is no dopant gas generating device that takes into account these performances at the same time.

Method used

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Embodiment Construction

[0026] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

[0027] attached figure 1 is a schematic structural diagram of a dopant gas generating device according to a specific embodiment of the present invention. join figure 1 , which shows a dopant gas generating device for ion mobility spectrometer to provide dopant gas, including: doping tank 3; The upstream side is connected, and its outlet end 202 is connected to the doping tank 3; the outlet pipe 2, the inlet end 203 of the outlet pipe 2 is c...

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Abstract

The invention relates to a doping gas generation device for providing a reaction gas for an ion mobility spectrometer, which comprises a doping tank, a gas inlet tube, a gas outlet tube and a doping gas generation unit, wherein the inlet end of the gas inlet tube is connected with the upstream side of a gas-carrying gas path, while an outlet end is connected with the doping tank; the inlet end of the gas outlet tube is connected with the doping tank, while the outlet end is connected with the downstream side of the gas-carrying gas path; and the doping gas generation unit is used for releasing a doping gas and is placed in the doping tank. As the doping gas generation unit used for releasing the doping gas is placed in the doping tank, the doping gas generation device of the invention not only can be used for solid dopants as well as liquid dopants.

Description

technical field [0001] The invention relates to a doping gas generating device, which can use both solid dopant and liquid dopant. More specifically, the present invention relates to a device for generating dopant gas with stable concentration and adjustable concentration for ion mobility spectrometer, so as to improve the detection performance of ion mobility spectrometer IMS instrument. Background technique [0002] Ion mobility spectrometry (IMS) is a rapid, sensitive, and portable on-site detection technique. The technology has begun to be used in military and security inspection agencies to detect chemical poisons, explosives and drugs. When the ion mobility spectrometer detects contraband, in order to eliminate interference and improve the detection sensitivity of the instrument, it is often necessary to introduce a small amount of polychlorinated hydrocarbons into the ionization chamber of the transfer tube, and the polychlorinated hydrocarbons are preferentially ion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J49/02H01J49/26G01N27/64G01N27/622
CPCG01N27/622Y10T137/87346Y10T137/3112Y10T137/4891Y10T137/6606Y10T137/87571
Inventor 张仲夏李徽张阳天林津刘建华
Owner NUCTECH CO LTD
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