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Automatic cleaning device and method for hair samples

A technology for cleaning devices and samples, applied in the directions of cleaning methods using liquids, cleaning methods and utensils, chemical instruments and methods, etc., can solve the problems of cross-contamination of hair samples, cumbersome operations, low efficiency, etc., to prevent cross-contamination, improve The effect of cleaning efficiency and improving safety

Active Publication Date: 2021-02-05
CHINA INNOVATION INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Potential for cross-contamination between different hair samples due to manual cleaning
The entire manual operation is cumbersome and inefficient, and the use of acetone in the cleaning process is also toxic to the human body

Method used

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  • Automatic cleaning device and method for hair samples
  • Automatic cleaning device and method for hair samples
  • Automatic cleaning device and method for hair samples

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] figure 1 Schematically shows the structural diagram of the automatic cleaning device of the hair sample in Example 1 of the present invention, as figure 1 Shown, the automatic cleaning device of described hair sample comprises:

[0044] Cleaning cylinder 12, such as Figure 2-3 As shown, the cleaning cartridge 12 has a first open end 15 and a second open end 10, and a hair sample is suitable for being placed in the cleaning cartridge 12;

[0045] A moving part 13, one end of the moving part 13 is adapted to enter from the first opening end 15 of the cleaning cylinder 12 and is movably arranged in the cleaning cylinder 12, the moving part 13 and the inner wall of the cleaning cylinder 12 Keep sealing, such as setting O-rings and other seals, the other end is outside the cleaning cylinder 12, so that the inside of the cleaning cylinder 12 becomes a relatively closed space that communicates with the outside world only through the second open end 10, and the hair sample i...

Embodiment 2

[0087] An application example of the hair sample automatic cleaning device and method according to Embodiment 1 of the present invention.

[0088] In this application example, if figure 1 As shown, the vibrator 201 adopts an electromagnetic vibrator and is fixed on the bottom of the flow cell 203; the support member 204 is used to support the flow cell 203 and the bracket 304; The vibrator 202; the bottom wall of the frame 800 is provided with a first guide rail 206, and the support member 204 is arranged on the first guide rail 206, so that the bracket 304 and the flow cell 203 can be easily pulled out, which is beneficial for replacing the cleaning cylinder 12;

[0089] Such as figure 2 As shown, the first open end 15 of the cleaning cylinder 12 has a radially outward extension 14; compared with the outer diameter of the first open end 15, the outer diameter of the second open end 10 is smaller and has a taper ; The end of the second open end 10 has a groove 100, which is...

Embodiment 3

[0129] According to the application example of the automatic cleaning device and method for hair samples in Embodiment 1 of the present invention, the difference from Embodiment 2 is:

[0130] 1. Instead of setting three fluid channels, one fluid channel is set in the flow cell, and the first through holes arranged in a matrix are connected to the fluid channel, so only one fluid inlet and one fluid outlet are needed;

[0131] 2. The first conversion part consists of:

[0132] A cam, such as a triangular cam, is fixed on the rotating shaft of the first motor;

[0133] a connecting piece, the connecting piece passes through the mounting plate and is connected with the carrier;

[0134] A conversion plate, the conversion plate is connected to the upper end of the connector, and a waist-shaped hole is arranged on the conversion board, and the cam is suitable for being in the waist-shaped hole. When the cam rotates in the waist-shaped hole, the drive connector moves up and Movin...

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Abstract

The present invention provides an automatic cleaning device and method for hair samples. The automatic cleaning device includes: a cleaning cylinder suitable for placing a hair sample has a first opening end and a second opening end, and one end of the moving part is arranged in the cleaning cylinder , and keep sealed, and the other end is outside the cleaning cylinder; the flow cell has a first through hole and a fluid channel, and a plurality of first through holes are arranged on the flow cell in a matrix for communicating with the fluid channel; the sealing unit includes a first seal A member and a second sealing member, the first sealing member is arranged at the first through hole; the second through hole is arranged on the first sealing member, which is used to communicate with the inside and outside of the flow cell; one end of the elastic second sealing member blocks the first Two through holes; the bracket carries the cleaning cylinder, and the second open end is suitable for inserting into the second through hole; the driving unit is used to connect and drive the moving part to move forward and backward in the cleaning cylinder. The invention has the advantages of automation, safety and low cost.

Description

technical field [0001] The invention relates to hair sample analysis, in particular to an automatic cleaning device and method for hair samples. Background technique [0002] In relevant hair sample testing institutions such as public security anti-drug departments and drug testing centers, the pretreatment of hair samples is basically carried out manually. Hair samples need to be cleaned with cleaning solutions such as water and acetone. Acetone is a slightly toxic organic solvent, and the entire manual operation needs to be performed in a fume hood. Due to manual cleaning, there is potential for cross-contamination between different hair samples. The entire manual operation is cumbersome and inefficient, and the use of acetone in the cleaning process is also toxic to the human body. Contents of the invention [0003] In order to solve the shortcomings in the above-mentioned prior art solutions, the present invention provides an automatic cleaning device for hair sampl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B3/08B08B3/10F26B21/00
CPCB08B3/08B08B3/10F26B21/001
Inventor 闻路红卢斌甘剑勤沈策温震李文
Owner CHINA INNOVATION INSTR CO LTD
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