Multifunctional automatic sample injector

An automatic sampling and multi-functional technology, applied in the direction of instruments, analytical materials, etc., can solve the problems of unfavorable automatic control and programming, poor anti-interference ability, single function of automatic sampler, etc.

Inactive Publication Date: 2016-08-03
张开航
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many international and domestic autosamplers on the market, but there is a lack of autosamplers that use horizontal rotors and have the function of centrifuging the sample supernatant and sedimentation;
[0003] Rectangular sample trays generally have cleaning pools on the market, but having cleaning pools in circular sample trays is not conducive to automatic control and programming. This project will make up for this defect
[0004] Most of the existing autosamplers are single-function, expensive, and require a large space
[0005] The transmission system in the existing three-dimensional mechanical motion platform is prone to failure, the parts are easily damaged, vibration will occur during the motion, the motion is not stable, and the anti-interference ability is poor, and motion failure will occur due to a slight impact from the outside

Method used

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  • Multifunctional automatic sample injector
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  • Multifunctional automatic sample injector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: centrifugation and sampling process

[0032] The sample 102-sample bottle to be tested is placed in the 101-sample tray (horizontal rotor). When it is necessary to separate the supernatant and precipitate, or, for example, after the titration method is used to determine the concentration of chloride ions, the supernatant is used to continue to measure the total organic carbon ( TOC) concentration, 103-sample disc drive motor drives 101-sample disc (horizontal rotor) to rotate at high speed for centrifugation. The position gradually tends to the parallel position, standing still.

[0033] According to the sampling sequence, sampling times, 201-sampling needle cleaning program set by the host computer, 205-slider moves horizontally, when reaching the corresponding position, 207-slider moves vertically, when reaching the corresponding position, 201 -The sampling needle carries out quantitative sampling, passes through the 307-mixing reactor of the 3-multipor...

Embodiment 2

[0038] Example 2, such as image 3 Shown: different from embodiment 1, its features, such as image 3 As shown by the dotted line, the 106-cleaning solution pool can also be placed on the other side of the sample tray, for example, if the sample tray is on the left side of the vertical slider, the 106-cleaning solution pool can be set on the right side of the vertical slider; when 201 -sample injection needle; 202-cleaning needle rotates 180 degrees when 106-cleaning solution pool takes water for cleaning. It should be noted that 207-slider is not reversed 180 degrees, namely: 201-injection needle; 202-cleaning needle in the original direction downwards, 207-slider rotated 180 degrees, 201-injection needle; 202-cleaning The needle is still pointing downwards.

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PUM

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Abstract

A kind of multifunctional autosampler, it is characterized in that, mainly comprises 101-sample tray (horizontal rotor); 102-sample vial; 103-sample tray driving motor; 104-driving motor; 105-leading screw; 106-cleaning liquid 107‑base; 201‑sampling needle; 202‑washing needle; 203‑slider; 204‑spring; valve; 301-port of multiport valve and 201 injection needle; 302‑port of multiport valve and 202 cleaning needle; 303‑test water in line with laboratory use; 304‑cleaning solution bucket (bottle) (such as acid solution or Alkaline solution); 305-Reagent barrel (bottle); 306-Waste liquid barrel (bottle); 307-Mixed reactor; 308-Standard solution barrel (bottle). It can be used for automatic sampling in the determination of seawater, high-chloride and high-salt wastewater, surface water, groundwater, drinking water, domestic sewage, and industrial wastewater; it can be used for automatic sampling in laboratory determination, online determination, and emergency portable on-site determination.

Description

technical field [0001] The invention relates to the fields of analytical chemistry and automatic control, in particular to an automatic sample injector. Background technique [0002] There are many international and domestic autosamplers on the market, but there is a lack of autosamplers that use horizontal rotors and have the function of centrifuging the sample supernatant and sedimentation; [0003] Rectangular sample trays on the market generally have cleaning pools, but having a cleaning pool in a circular sample tray is not conducive to automatic control and programming. This project will make up for this defect. [0004] Most of the existing autosamplers have single functions, are expensive, and need to occupy a large space. [0005] The transmission system in the existing three-dimensional mechanical motion platform is prone to failure, the parts are easily damaged, vibration will occur during the motion, the motion is unstable, and the anti-interference ability is p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/10G01N35/02
CPCG01N35/10G01N35/025
Inventor 张开航
Owner 张开航
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