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Automatic sample injector for full-automatic thermal desorption instrument, working method of automatic sample injector and full-automatic thermal desorption instrument

A technology of automatic sampling and thermal desorption instrument, which is applied in the direction of instruments, scientific instruments, measuring devices, etc., can solve the problem of human workload that cannot automatically load and unload adsorption tubes, and achieve the goal of reducing human workload, high efficiency, and saving manpower Effect

Pending Publication Date: 2020-04-10
四川晟实科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] In order to solve the problems of the existing thermal desorption instrument that the adsorption tube cannot be automatically loaded and unloaded and the human workload is large, the purpose of the present invention is to provide an automatic sample injector for a fully automatic thermal desorption instrument and its working method and complete Automatic Thermal Desorber

Method used

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  • Automatic sample injector for full-automatic thermal desorption instrument, working method of automatic sample injector and full-automatic thermal desorption instrument
  • Automatic sample injector for full-automatic thermal desorption instrument, working method of automatic sample injector and full-automatic thermal desorption instrument
  • Automatic sample injector for full-automatic thermal desorption instrument, working method of automatic sample injector and full-automatic thermal desorption instrument

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Embodiment 1

[0079] Such as Figure 1~3 As shown, the autosampler for a fully automatic thermal desorption instrument provided in this embodiment includes a main body support 100, a tray assembly 110, a Z-axis assembly 120, an X-axis assembly 130, and a Y-axis assembly 140. Beam assembly 150, cover removal assembly 160, loading assembly 170 and valve island assembly 180, wherein the Z axis is the vertical axis, the X axis is the horizontal horizontal axis, and the Y axis is the horizontal vertical axis; the pallet assembly The assembly 110 is arranged on the tray station of the main body support 100, and is used to accommodate a plurality of adsorption tubes 6; the Z-axis assembly 120 is arranged on the main body support 100 and is located above the tray assembly 110, It is used to vertically extract the adsorption tube 6 from the tray assembly 110, and vertically put the adsorption tube 6 into the tray assembly 110; the X-axis assembly 130 is arranged on the The main body bracket 100 is ...

Embodiment 2

[0099] Such as figure 1 , 2 As shown in and 4, this embodiment also provides a novel automatic thermal desorption instrument on the basis of the first embodiment, including the automatic sampler for the automatic thermal desorption instrument as described in the first embodiment , also includes a gas circuit assembly and a circuit assembly arranged on the main body bracket 100; the gas circuit assembly includes a nitrogen joint 1, a first mass flow controller 201, a second mass flow controller 202, multiple Through switching valve 3, first electromagnetic switching valve 401, second electromagnetic switching valve 402, first emptying joint 501, second emptying joint 502, third emptying joint 503, sample recovery tube 7, eight-way switching valve 8 , a temperature-controlled dehydration pipe 9, a temperature-controlled focusing tube 10, a carrier gas inlet and outlet pipeline 11, a proportional valve 12, and a pressure sensor 13; the nitrogen connector 1 is connected to the in...

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Abstract

The invention relates to the technical field of volatile organic compound detection and discloses an automatic sample injector for a full-automatic thermal desorption instrument, a working method of the automatic sample injector and the full-automatic thermal desorption instrument. On one hand, a Z-axis assembly, an X-axis assembly and a Y-axis assembly are arranged; an adsorption tube grabbing and sample feeding action and an adsorption tube putting-back action can be carried out in an area above a tray assembly; on the other hand, by arranging a cross beam assembly, a cover taking assembly,a loading assembly and a valve terminal assembly, complete sample feeding and discharging actions such as transferring, cover taking, loading, unloading, cover covering and returning can be sequentially carried out on the adsorption tube from which the sample is conveyed, so that the full-automatic thermal desorption instrument is particularly suitable for the full-automatic thermal desorption instrument, the manual workload is greatly reduced, and time and labor are saved. In addition, the automatic sample injector further has the advantages of being convenient to load / unload, high in grabbing success rate, capable of automatically detecting errors, simple in structure, easy to achieve and the like, and actual application and popularization are facilitated.

Description

technical field [0001] The invention belongs to the technical field of detection of volatile organic compounds, and the industries involved include environmental monitoring and occupational hygiene, etc., and specifically relates to an automatic sampler for a fully automatic thermal desorption instrument and its working method and a fully automatic thermal desorption instrument . Background technique [0002] The thermal desorption method is mainly used for the analysis of VOCs (Volatile Organic Compounds, volatile organic compounds, which refer to organic compounds with a saturated vapor pressure greater than 133.32Pa at room temperature, a boiling point below 50-260°C at a standard atmospheric pressure of 101.3kPa, and an initial boiling point equal to 250°C. compound, or any volatile organic solid or liquid at normal temperature and pressure), refers to the use of solid-phase adsorbent at normal temperature or low temperature to adsorb, fix, and enrich the analyte in the ...

Claims

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Application Information

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IPC IPC(8): G01N30/24
CPCG01N30/24
Inventor 张功勇何松翰江超卞钧洋赵治龙陈勇杨陈孙永利尹辉
Owner 四川晟实科技有限公司
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