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A control method of a mechanical arm type solid phase extraction apparatus

A control method and technology of robotic arms, which are applied in chemical instruments and methods, separation methods, solid adsorbent liquid separation, etc., can solve problems such as cross-infection, and achieve the effect of avoiding cross-infection

Active Publication Date: 2018-08-14
JINAN HANON INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the solid phase extraction instrument includes a syringe pump and an injection needle. The syringe pump includes an empty cylinder, a piston and a push-pull rod. The empty cylinder is preferably a cylindrical cylinder. The first end of the empty cylinder is connected to a pipeline, and the other end is open. In the empty barrel, the piston is connected to the push-pull rod. When the push-pull rod drives the piston to move to the top of the empty barrel, the injection needle draws the solution from the test tube into the empty barrel. When the push-pull rod drives the piston to move to the bottom of the empty barrel, the liquid in the empty barrel The liquid is discharged into the SPE column through the injection needle. Since the solution is directly drawn into the empty barrel of the syringe pump and then discharged from the empty barrel of the syringe pump, it is easy to cause cross-infection.

Method used

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  • A control method of a mechanical arm type solid phase extraction apparatus
  • A control method of a mechanical arm type solid phase extraction apparatus
  • A control method of a mechanical arm type solid phase extraction apparatus

Examples

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no. 1 example

[0023] figure 1 It is a schematic diagram of the composition of the mechanical arm type solid phase extraction instrument provided by the first embodiment of the present invention, as figure 1 As shown, the mechanical arm type solid phase extraction instrument provided by the present invention can automatically track the liquid level in the container to be extracted, and can avoid cross-infection when different solutions are extracted from different containers and injected into the SPE column. The mechanical arm type solid phase extraction instrument includes a three-axis mechanical arm, and the three-axis mechanical arm includes an X arm (X axis), a Y arm (Y axis), and a Z arm (Z axis) perpendicular to each other (not shown in the figure) , the Z arm is an arm perpendicular to the ground, which can move forward and backward along the Y arm driven by the motor M3; the Y arm can move left and right along the X arm driven by the motor M4. A screw 9 is arranged on the Z arm alon...

no. 2 example

[0062] Image 6 The schematic diagram of the composition of the mechanical arm type solid phase extraction instrument provided by the second embodiment of the present invention, as Image 6 Shown, the manipulator type solid phase extractor provided by the second embodiment of the present invention is different from the first embodiment only in that the third electromagnetic reversing valve is set between the second electromagnetic valve and the liquid storage pipe 3, other The composition is the same, and only the different parts of the second embodiment and the first embodiment will be described, and the same parts will not be repeated.

[0063] The pipeline between the injection needle 8 and the injection pump 1 is also provided with a third electromagnetic reversing valve 5, wherein the first port of the first electromagnetic reversing valve 2 is connected to the injection pump, and the second port is connected to the water tank or For the alcohol tank, the third port is c...

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Abstract

The invention relates to a control method of a mechanical arm type solid phase extraction instrument. The mechanical arm type solid phase extraction instrument comprises an injection pump and an injection needle, wherein a quantitative liquid storage pipe is arranged between the injection pump and the injection needle. The control method comprises the following steps: first fluid is injected into at least part of an empty cylinder of the injection pump when a piston in the injection pump moves to the top of the empty cylinder of the injection pump; a solution which is absorbed from the injection needle is stored in at least part of the quantitative liquid storage pipe; and second fluid is injected into at least part of a pipeline for connecting the injection pump and the quantitative liquid storage pipe. According to the control method of the mechanical arm type solid phase extraction instrument, provided by the invention, cross infection of the mechanical arm type solid phase extraction instrument is avoided.

Description

technical field [0001] The invention relates to a control method of a mechanical arm type solid phase extraction instrument. Background technique [0002] In the prior art, a solid phase extraction instrument includes a syringe pump and an injection needle. The syringe pump includes an empty cylinder, a piston and a push-pull rod. The empty cylinder is preferably a cylindrical cylinder. The first end of the empty cylinder is connected to a pipeline, and the other end is open. In the empty barrel, the piston is connected to the push-pull rod. When the push-pull rod drives the piston to move to the top of the empty barrel, the injection needle draws the solution from the test tube into the empty barrel. When the push-pull rod drives the piston to move to the bottom of the empty barrel, the liquid in the empty barrel The liquid is discharged into the SPE column through the injection needle. Since the solution is directly drawn into the empty barrel of the syringe pump and then ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D15/10B01D15/14
CPCB01D15/10B01D15/14
Inventor 王志刚张振方刘一峰虞发海杨水云李婷季金丹
Owner JINAN HANON INSTR
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