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Autosampler

A sampler and automatic technology, applied in the field of laboratory containers or utensils, can solve the problems of experimental equipment and operator contamination, large operating errors, poor distribution and transfer accuracy, etc., to ensure safety and purity , Improving the accuracy of sample addition and the effect of improving the efficiency of sample addition

Inactive Publication Date: 2016-05-11
CHINA ANIMAL HEALTH & EPIDEMIOLOGY CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its defects are: (1) the work efficiency of manual operation is low; (2) human errors are easily produced in manual operation, the accuracy of distribution and transfer is poor, and the operation error is large; (3) it is easy to cause damage to experimental equipment and operation. Risk of Contamination of Personnel
Therefore, it is difficult for the existing detection methods to achieve large-scale and high-volume efficient detection.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 As shown, the automatic sampler includes a workbench 24, a control box 10, a mobile sampling device, an automatic liquid addition device and a reaction plate storage device, and the mobile sample addition device, the automatic liquid addition device and the reaction plate storage device are sequentially arranged on the working On stage 24. A portal frame 8 is provided on the workbench 24, and the control box 10 is fixed on the portal frame 8. Workbench 24 is provided with dripper box 1 and reagent box 2, box 9 before adding sample and box 4 after adding sample successively, wherein is provided with reagent box 2 on the workbench 24 corresponding to automatic liquid adding device place, on reaction plate The storage device is provided with a rear box 4 for adding samples. A reaction plate 3 is provided in the box 9 before adding samples, and a reaction plate pushing cylinder 22 is provided on the workbench 24 corresponding to the box 9 before adding sa...

Embodiment 2

[0028] In the present invention, the actions of all the cylinders are controlled by the control box 10, position sensors are provided on the dripper box 1, the reagent box 2 and the reaction plate 3, and the position recognition sensor on the sampler 7 is used to identify each dripper Locations of drippers on box 1, reagent box 2, and wells on reaction plate 3.

[0029] The working process of using this sampler is as follows:

[0030] First, put the dripper box 1 and the reagent box 2 in turn on the workbench 24; put a number of reaction plates 3 in the pre-sample box 9; place the sampler 7 in the sampler fixture 6; A reagent bottle 19 is placed on the support 20, a latex tube 21 is installed, and the liquid volume control cylinder 16 is led to the reagent box 2.

[0031]The second step is to start adding samples: press the start button on the control box 10, the stepping motor 11 runs, and the screw 18 drives the sample adding sliding frame 5 to move to the position of the d...

Embodiment 3

[0035] The present invention can expand the reaction plate storage device, which can be installed at the front end of the integral workbench 24 or on the right side of the workbench 24, and the purpose is to quickly pick and place the reaction plate 3. Because it is currently all automated operations for the ELISA plate, and other subsequent operations still require manual operations. A reaction plate storage device is provided at the front end, which can make it easier for experimenters to remove the reaction plate 3 when the reaction plate 3 is full.

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Abstract

The invention relates to a sample injection appliance for detection, in particular to an automatic sample injector, and belongs to the technical field of containers or vessels used in laboratories. The automatic sample injector comprises a workbench, a control box, a moving sample injection device and an automatic liquid injection device, the automatic sample injector further comprise a reaction plate storage device, the reaction plate storage device comprises an air cylinder fixing support moving front and back along a box wall of a reaction plate sample injection rear box, a lifting air cylinder is fixed on the top of the air cylinder fixing support, a reaction plate fixing support comprises a horizontal direction fixing plate and vertical direction fixing plates located on the two ends of the horizontal direction fixing plate, fixing protrusions are arranged on the inner sides of the vertical direction fixing plates, the interior of a suction column is provided with a suction rod capable of moving up and down, and the suction rod is connection with an upper and lower air cylinder. The automatic sample injector achieves automatic sample injection, the sample injection efficiency and the sample injection precision are improved, and pollution to experiment facilities and reagents in a sample injection process is effectively avoided.

Description

technical field [0001] The invention relates to a sampling instrument for detection, in particular to an automatic sampler, belonging to the technical field of containers or vessels for laboratories. Background technique [0002] At present, in the experiments of biological research and detection, such as serum blood detection, hemagglutination test, agglutination test, coagulation test or ELISA detection, the conventional detection method generally includes the following steps: first, the serum of the sample to be tested is added from the sample needle to In the ELISA plate, the reaction reagent is extracted by the reagent needle and added to the ELISA plate for reaction. After incubation, plate washing and color development, the value is read, and the result is judged according to the read value. Among them, the process of adding serum to the ELISA plate, adding reaction solution or diluent to the ELISA plate, and adding washing solution to the ELISA plate all involves the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/10
Inventor 张维王华吴晓东李振芳史光于鹏王树双王志亮
Owner CHINA ANIMAL HEALTH & EPIDEMIOLOGY CENT