Intelligent sampling device used in full-automatic chemiluminescence instrument

Abstract

The utility model discloses an intelligent sampling device used in a full-automatic chemiluminiscence instrument, which comprises a sampling box provided with an air pressure type full-automatic sampling and collecting structure; the air pressure type full-automatic sampling and collecting structure comprises a sampling cavity, an observation box door, a storage table, a pair of first linear module translation tables, a pair of connecting rods, a movable frame, a second linear module translation table, a telescopic lifting assembly, a switch valve, a suction pump, a connecting pipe, a corrugated hose and a piston sampling assembly; the utility model relates to the technical field of sampling devices, and has the beneficial effects that the problems that the quantity is large, the sampling speed is low, errors are easy to occur due to manual sampling operation, components of detected samples are mixed, the sampling efficiency is high, and the like in the conventional sampling process that a detector extracts layered sample liquid from a centrifugal tube by using a sampling dropper are solved; and the detection effect is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to an intelligent sampling device used in a fully automatic chemiluminescence instrument. Background Art

[0002] A fully automatic chemiluminescence analyzer is an instrument used for chemical analysis. It is mainly used to detect and measure the concentration of specific molecules or analytes in samples. It uses the principle of chemiluminescence to make the sample produce a luminescent signal through a specific chemical reaction, and determines the concentration of the target analyte by measuring the intensity of the signal. The test sample needs to be centrifuged before testing. The existing sampling is mostly done by the test personnel using a sampling dropper to extract the stratified sample liquid from the centrifuge tube. The original quantity is large, the sampling speed is slow, and manual sampling is prone to errors, which can cause the test sample components to mix and affect the test effect. Utility Model Content

[0003] To achieve the above objectives, the utility model is implemented through the following technical solutions: an intelligent sampling device used in a fully automatic chemiluminescence instrument, comprising: a sampling box, on which a pneumatic fully automatic sampling and collecting structure is installed;

[0004] The pneumatic fully automatic sampling and collecting structure includes: a sampling chamber, an observation box door, a storage table, a pair of first linear module translation tables, a pair of connecting rods, a mobile frame, a second linear module translation table, a telescopic lifting component, a switch valve, a suction pump, a connecting pipe, a corrugated hose, and a piston sampling component;

[0005] The sampling chamber is opened inside the sampling box, the observation box door is installed at the opening position of the front wall of the sampling box, the storage table is installed on the lower wall of the sampling chamber, a pair of first linear module translation tables are installed on the walls on both sides of the sampling chamber, a pair of connecting rods are installed on the moving ends of the pair of first linear module translation tables, the moving frame is installed on the pair of connecting rods, the second linear module translation table is installed on the moving frame, the telescopic lifting assembly is installed on the moving end of the second linear module translation table, the switch valve is installed on the telescopic lifting assembly, the suction pump is installed on the rear wall of the sampling box, the lower end of the connecting pipe is connected to the suction pump, the upper end of the connecting pipe extends into the sampling chamber, the upper end of the corrugated hose is installed on the connecting pipe, the lower end of the corrugated hose is installed on the switch valve, and the piston sampling assembly is installed at the lower end of the switch valve.

[0006] Preferably, the observation box door is mounted on the sampling box by hinges.

[0007] Preferably, the movable frame is mounted on a pair of connecting rods via a connecting block.

[0008] Preferably, a support ring is provided in the middle of the corrugated hose.

[0009] Preferably, the telescopic lifting assembly comprises: a driving box, a fixing cavity, a pair of fixing frames, a pair of telescopic push rods and a lifting frame;

[0010] The drive box is installed on the moving end of the second linear module translation table, the fixed cavity is opened in the drive box, a pair of fixed frames are installed in the fixed cavity, a pair of telescopic push rods are on the pair of fixed frames, and the lifting frame is installed on the output end of the pair of telescopic push rods.

[0011] Preferably, the piston sampling assembly comprises: a negative pressure tube, a sampling tube, a first piston, a second piston and a liquid level detection sensor;

[0012] The negative pressure tube is installed at the lower end of the switch valve, the sampling tube is installed at the lower end of the negative pressure tube, the negative pressure tube is connected to the sampling tube, the first piston is arranged in the negative pressure tube, the second piston is arranged in the sampling tube, and the liquid level detection sensor is installed at the lower end of the outer wall of the sampling tube.

[0013] Beneficial Effects

[0014] The utility model provides an intelligent sampling device for use in a fully automatic chemiluminescence instrument, which has the following beneficial effects: the scheme uses a pneumatic fully automatic sampling and collection structure, uses negative pressure to drive the piston to move to suck the sample, and performs fully automatic movement through mechanical control, so that batch samples can be fully automatically and accurately sucked and collected, ensuring accurate sample sampling and increasing the sampling speed, solving the problem that the existing sampling is mostly done by the test personnel using a sampling dropper to extract the stratified sample liquid from the centrifuge tube, which originally has a large number of samples and a slow sampling speed, and the manual sampling operation is prone to errors, resulting in mixing of the test sample components and affecting the test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of an intelligent sampling device used in a fully automatic chemiluminescence instrument.

[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of an intelligent sampling device used in a fully automatic chemiluminescence instrument described in the utility model.

[0017] Figure 3 The utility model is a rear-view stereoscopic structural schematic diagram of an intelligent sampling device used in a fully automatic chemiluminescence instrument.

[0018] Figure 4 The present invention is a schematic diagram of the enlarged structure of a liquid level detection sensor of an intelligent sampling device used in a fully automatic chemiluminescence instrument described in the present invention.

[0019] Figure 5 This is a schematic diagram of the main cross-sectional structure of a driving box of an intelligent sampling device used in a fully automatic chemiluminescence instrument described in the utility model.

[0020] Figure 6 This is a schematic diagram of the main and sectional structure of a piston sampling assembly of an intelligent sampling device used in a fully automatic chemiluminescence instrument described in the utility model.

[0021] In the figure: 1-sampling box; 2-sampling cavity; 3-observation box door; 4-storage table; 5-first linear module translation table; 6-connecting rod; 7-moving frame; 8-second linear module translation table; 9-switching valve; 10-suction pump; 11-connecting pipe; 12-corrugated hose; 13-hinge; 14-connecting block; 15-support ring; 16-driving box; 17-fixed cavity; 18-fixed frame; 19-telescopic push rod; 20-lifting frame; 21-negative pressure tube; 22-sampling tube; 23-first piston; 24-second piston; 25-liquid level detection sensor. DETAILED DESCRIPTION

[0022] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0023] Example: See Figure 1-6 When using the pneumatic fully automatic sampling and collection structure, place the centrifuge tube containing the sample liquid after centrifugation on the bracket base, open the observation box door 3, place the bracket base on the storage table 4, close the observation box door 3 and operate the controller matched with the device to start the device, and the first linear module translation table 5 installed on the two side walls of the sampling chamber 2 starts to move, and drives the moving frame 7 to move through the connecting rod 6, thereby driving the sampling tube 22 to move forward and backward. At the same time, the output end of the second linear module translation table 8 installed on the moving frame 7 drives the driving box 16 to move left and right, thereby driving the sampling tube 22 to move horizontally, so that the sampling tube 22 moves to the top of the centrifuge tube, and the telescopic push rod 19 installed in the fixed cavity 17 inside the driving box 16 through the fixed frame 18 starts the output The outlet end extends to drive the lifting frame 20 to move downward, so that the sampling tube 22 extends into the centrifugal tube, and the suction pump 10 installed on the rear wall of the sampling box 1 is started to extract air through the connecting pipe 11 and the corrugated hose 12. The switch valve 9 is opened to extract the gas in the negative pressure tube 21 to form a negative pressure. The first piston 23 moves upward due to the air pressure in the negative pressure tube 21. The first piston 23 drives the second piston 24 connected to it and installed in the sampling tube 22 to move upward. The second piston 24 in the sampling tube 22 moves upward to suck the sample liquid to be sampled into the sampling tube 22, thereby realizing fully automatic sampling. When the sample is drawn and sampled, the liquid level detection sensor 25 detects the sample liquid in real time. When it is detected that the sample liquid component changes and non-sampling components are present, a signal is sent, and the control end controls to stop sampling to ensure accurate sampling.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent sampling device for a fully automatic chemiluminescence instrument, comprising: The sampling box (1) is characterized in that a pneumatic fully automatic sampling and collecting structure is installed on the sampling box (1); The pneumatic fully automatic sampling and collecting structure comprises: a sampling chamber (2), an observation box door (3), a storage table (4), a pair of first linear module translation tables (5), a pair of connecting rods (6), a moving frame (7), a second linear module translation table (8), a telescopic lifting component, a switch valve (9), a suction pump (10), a connecting pipe (11), a corrugated hose (12), and a piston sampling component; The sampling chamber (2) is opened inside the sampling box (1), the observation box door (3) is installed at the opening position of the front wall of the sampling box (1), the storage table (4) is installed on the lower wall of the sampling chamber (2), a pair of first linear module translation tables (5) are installed on the side walls of the sampling chamber (2), a pair of connecting rods (6) are installed on the moving ends of the pair of first linear module translation tables (5), the moving frame (7) is installed on the pair of connecting rods (6), the second linear module translation table (8) is installed on the moving frame (7), and the telescopic The lifting assembly is mounted on the moving end of the second linear module translation platform (8), the switch valve (9) is mounted on the telescopic lifting assembly, the suction pump (10) is mounted on the rear wall of the sampling box (1), the lower end of the connecting pipe (11) is connected to the suction pump (10), the upper end of the connecting pipe (11) penetrates and extends into the sampling chamber (2), the upper end of the corrugated hose (12) is mounted on the connecting pipe (11), the lower end of the corrugated hose (12) is mounted on the switch valve (9), and the piston sampling assembly is mounted on the lower end of the switch valve (9).

2. The intelligent sampling device for a fully automatic chemiluminescence instrument according to claim 1, characterized in that: The observation box door (3) is mounted on the sampling box (1) via a hinge (13).

3. The intelligent sampling device for a fully automatic chemiluminescence instrument according to claim 1, characterized in that: The movable frame (7) is mounted on a pair of connecting rods (6) via a connecting block (14).

4. The intelligent sampling device for a fully automatic chemiluminescence instrument according to claim 1, characterized in that: A supporting ring (15) is arranged in the middle of the corrugated hose (12).

5. The intelligent sampling device for a fully automatic chemiluminescence instrument according to claim 1, characterized in that: The telescopic lifting assembly comprises: a driving box (16), a fixing cavity (17), a pair of fixing frames (18), a pair of telescopic push rods (19) and a lifting frame (20); The drive box (16) is installed on the moving end of the second linear module translation platform (8), the fixed cavity (17) is opened in the drive box (16), a pair of fixed frames (18) are installed in the fixed cavity (17), a pair of telescopic push rods (19) are on the pair of fixed frames (18), and the lifting frame (20) is installed on the output ends of the pair of telescopic push rods (19).

6. The intelligent sampling device for a fully automatic chemiluminescence instrument according to claim 1, characterized in that: The piston sampling assembly comprises: a negative pressure tube (21), a sampling tube (22), a first piston (23), a second piston (24) and a liquid level detection sensor (25); The negative pressure tube (21) is installed at the lower end of the switch valve (9), the sampling tube (22) is installed at the lower end of the negative pressure tube (21), the negative pressure tube (21) and the sampling tube (22) are connected, the first piston (23) is arranged in the negative pressure tube (21), the second piston (24) is arranged in the sampling tube (22), and the liquid level detection sensor (25) is installed at the lower end of the outer wall surface of the sampling tube (22).

Images