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A control method and device for a quaternary low-pressure gradient pump

A low-pressure gradient and control method technology, applied in separation methods, measuring devices, chemical instruments and methods, etc., can solve the problems of poor proportional accuracy and mixing effect of quaternary low-pressure gradient pumps, and achieve poor proportional accuracy and mixing effect. , Improve the effect of mixing effect, improve the effect of proportional precision

Active Publication Date: 2022-05-17
悟空科学仪器(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the object of the present invention is to provide a control method and device for a quaternary low-pressure gradient pump, so as to alleviate the technical problems of the existing quaternary low-pressure gradient pumps with poor proportional accuracy and mixing effect

Method used

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  • A control method and device for a quaternary low-pressure gradient pump
  • A control method and device for a quaternary low-pressure gradient pump
  • A control method and device for a quaternary low-pressure gradient pump

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Embodiment 1

[0032] According to an embodiment of the present invention, an embodiment of a control method for a quaternary low-pressure gradient pump is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be implemented in a computer system such as a set of computer-executable instructions and, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0033] figure 1 It is a flowchart of a control method of a quaternary low-pressure gradient pump according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:

[0034] Step S102, based on the amount of the mobile phase to be mixed, determine the mobile phase mode of the quaternary low-pressure gradient pump;

[0035] It should be noted that the mobile phase modes of the quaternary low-pressure gradient pump include: the...

Embodiment 2

[0072] The embodiment of the present invention also provides a control device for a quaternary low-pressure gradient pump, the control device for the quaternary low-pressure gradient pump is used to implement the control method for the quaternary low-pressure gradient pump provided by the above content of the embodiment of the present invention, as follows The specific introduction of the control device of the quaternary low-pressure gradient pump provided by the embodiment of the present invention.

[0073] Such as Figure 4 as shown, Figure 4 It is a schematic diagram of the control device of the above-mentioned quaternary low-pressure gradient pump, and the control device of the quaternary low-pressure gradient pump includes: a first determination unit 10, a correction unit 20, a second determination unit 30 and a control unit 40, wherein,

[0074] The first determination unit 10 is used to determine the mobile phase mode of the quaternary low-pressure gradient pump based...

Embodiment 3

[0085]An embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is run by a processor, the steps of the method described in the first embodiment above are executed.

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Abstract

The invention provides a control method and device for a quaternary low-pressure gradient pump, relating to the technical field of equipment control, including: determining the mobile phase mode of the quaternary low-pressure gradient pump based on the amount of mobile phase to be mixed; based on the mobile phase mode, Correct the liquid absorption ratio of each suction cycle of the quaternary low-pressure gradient pump to obtain the corrected liquid suction ratio; determine the sequence of multiple suction cycles based on the mobile phase mode; control the liquid of the quaternary low-pressure gradient pump according to The arrangement order of the liquid absorption ratio and the liquid absorption period is corrected to solve the technical problems of poor ratio accuracy and mixing effect of the existing quaternary low-pressure gradient pump.

Description

technical field [0001] The invention relates to the technical field of equipment control, in particular to a control method and device for a quaternary low-pressure gradient pump. Background technique [0002] High-performance liquid chromatography is an important branch of chromatography, using liquid as the mobile phase, using a high-pressure infusion system, pumping a single solvent with different polarities or a mixed solvent in different proportions, buffers, etc. The chromatographic column equipped with a stationary phase, the components of the sample to be tested are separated in the chromatographic column, and then enter the corresponding detector for detection, so as to realize the qualitative and quantitative analysis of the sample. Widely used in food safety, environment, pharmaceuticals, scientific research and other fields. The main components of high-performance liquid chromatography include: high-pressure infusion pump, sampler, chromatographic column, detect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D15/10G01N30/34
CPCB01D15/10G01N30/34
Inventor 罗阁程子健郑显应
Owner 悟空科学仪器(上海)有限公司
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