An automatic sampler
By designing an automatic sampler that can automatically identify, enter, open, mix, sample and clean samples, we solve the problems of high price, high maintenance cost and complex operation of automatic sampling devices in the existing technology, and achieve the maximum reduction of Manual operation and error reduction effects.
Patent Information
- Application Number
- CN202011362832.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-11-27
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2040-11-27
AI Technical Summary
The automatic sampling device of existing laboratory analytical instruments is expensive, has high maintenance costs, and is complex in operation, which is easy to introduce pollution and manual errors.
An automatic sampler is designed, which includes a positioning sampling module, a sample area, a sample identification module and a frame, which can automatically identify, enter, open the cap, mix, sample and clean samples, minimizing manual operations.
The automatic sampler can directly put the sampling component into the sample without transferring the sample, automatically complete all actions, reduce manual operations, reduce sources of errors, and improve the level of automation.
Smart Images
Figure CN112394189B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of automatic analysis instruments, in particular to an automatic sampler. Background Art
[0002] For analytical instruments, if you want to improve their automation level, the first step is to achieve automatic sampling. If you need to automatically sample batches of samples, the role of the automatic sampler is particularly important.
[0003] Currently, there are many laboratory analytical instruments equipped with automatic sampling devices on the market, but most of them are imported instruments with high prices and maintenance costs. Even for imported instruments, most of them need to transfer samples to special sample bottles and check and enter the sample information one by one. The operation process is complicated and prone to contamination and human errors.
[0004] In view of the above situation, the present invention provides an automatic sampler, the sample bottle of the sampling component can be selected according to the sampling requirements. During use, there is no need to transfer the sample in the sample bottle. The sample can be directly placed in the sampling component together with the on-site sampling frame. The sampling component automatically completes all actions such as identification, entry, opening, mixing, sampling and cleaning of sample information, which can minimize manual operation and reduce the source of error. Summary of the invention
[0005] An automatic sampler provided by the present invention is characterized in that it includes a positioning sampling module, a sample area, a sample identification module and a frame; the magnetic cover opener and the sampling component of the positioning sampling module are fixed on the synchronous belt of the horizontal positioning device 1, and the two ends of the horizontal positioning device 1 are respectively fixed on the left and right synchronous belts of the longitudinal positioning device 1, and the transmission of the synchronous belts of the horizontal positioning device 1 and the longitudinal positioning device 1 is controlled by a stepper motor to determine the horizontal and vertical coordinates of the magnetic cover opener and the sampling component; the sample area includes a sampling frame and a sample bottle; the code scanner of the sample identification module is fixed on the synchronous belt of the horizontal positioning device 2, and the horizontal positioning device 2 is fixed on the synchronous belt of the longitudinal positioning device 2, and the transmission of the synchronous belts of the horizontal positioning device 2 and the longitudinal positioning device 2 is controlled by a stepper motor to determine the horizontal and vertical coordinates of the code scanner.
[0006] The magnetic cover opener is provided with a synchronous belt moving up and down in a vertical direction and an electromagnet fixed on the synchronous belt, and the electromagnet has magnetism after being energized; the cover of the sample bottle is provided with an iron sheet; when the electromagnet contacts the bottle cover and is energized, the electromagnet can absorb the bottle cover and carry the bottle cover to move.
[0007] The frame is provided with a sampling needle cleaning barrel, and the cleaning barrel is provided with a pinhole, a cleaning liquid inlet and a liquid discharge port; the sampling component is provided with a synchronous belt that moves up and down in the vertical direction and a sampling needle and a sample tube fixed on the synchronous belt, and the sample taken by the sampling needle is sent to the analysis instrument through the sample tube. After the sampling component takes the sample, it can automatically reset to the position docking with the cleaning barrel to complete the automatic cleaning of the sampling needle.
[0008] The sampling bottle is a standard sampling bottle, which can be selected according to sampling requirements. A label identifying the sample information and a QR code or barcode identifying the sample information are affixed to the bottle. When identifying the sample, the information of the QR code or barcode on the sample bottle is read by a scanner.
[0009] The bottom and frame of the sampling frame are provided with through holes for a barcode scanner to read information.
[0010] When the automatic sampler is in use, the positioning sampling module is responsible for positioning the sampling bottle where sampling is required, and the sample identification module is responsible for identifying the sample information in the corresponding sample bottle.
[0011] Compared with the prior art, the present invention has the following advantages:
[0012] The sample bottle of the sampler can be selected according to the sampling needs. There is no need to transfer the sample in the sample bottle during use. It can be directly placed into the sampler together with the on-site sampling frame. The sampler automatically completes all actions such as sample information identification, entry, opening, mixing, sampling and cleaning, which can minimize manual operation and reduce the source of error. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the automatic sampler of the present invention;
[0014] Figure 2 This is a structural schematic diagram of a positioning sampling module of the present invention;
[0015] Figure 3 It is a structural schematic diagram of the sample identification module of the present invention;
[0016] Figure 4 It is a schematic diagram of the structure of the sample bottle of the present invention;
[0017] Figure 5 It is a top view of the automatic sampler of the present invention.
[0018] In the figure, 1—magnetic cover opener; 2—sampling component; 3—lateral positioning device 1;
[0019] 4 / 8 / 9 / 16 / 18 / 19 / 22 / 29—synchronous belt; 5—left end of horizontal positioning device 1; 6—right end of horizontal positioning device 1; 7—longitudinal positioning device 1; 10—first stepper motor; 11—second stepper motor; 12—sampling frame; 13—sample bottle; 14—barcode scanner; 15—horizontal positioning device 2; 17—longitudinal positioning device 2; 20—third stepper motor; 21—fourth stepper motor; 23—electromagnet; 24—iron sheet; 25—sampling needle cleaning barrel; 26—needle hole; 27—cleaning liquid inlet; 28—liquid discharge port; 30—sampling needle; 31—sample tube; 32—label of sample information; 33—QR code or barcode; 34—through hole. DETAILED DESCRIPTION
[0020] The automatic sampler of the present invention is described in detail below with reference to the accompanying drawings.
[0021] The drawings in the present invention only schematically show the connection relationship between the various components, and do not illustrate the control components, drive components, power supply components, etc. However, those skilled in the art can understand that other components not shown are also necessary components for realizing the functions of the present invention, so this part will not be described in the following description and examples.
[0022] like Figures 1 to 5As shown, an automatic sampler provided by the present invention comprises a positioning sampling module, a sample area, a sample identification module and a frame; the magnetic cover opener (1) and the sampling component (2) of the positioning sampling module are fixed on the synchronous belt (4) of the horizontal positioning device 1 (3), and the two ends (5 / 6) of the horizontal positioning device 1 (3) are respectively fixed on the left and right synchronous belts (8 / 9) of the longitudinal positioning device 1 (7), and the transmission of the synchronous belts (4 / 8 / 9) of the horizontal positioning device 1 (3) and the longitudinal positioning device 1 (7) is controlled by a stepper motor, wherein the first stepper motor (10) controls the transmission of the synchronous belt (4) of the horizontal positioning device 1 (3) to determine the horizontal coordinates of the magnetic cover opener (1) and the sampling component (2), and the second stepper motor (11) controls the transmission of the synchronous belt (8 / 9) of the longitudinal positioning device 1 (7) to determine the vertical coordinates of the magnetic cover opener (1) and the sampling component (2). The sample area comprises a sampling frame (12) and a sample bottle (13). The barcode scanner (14) of the sample identification module is fixed on the synchronous belt (16) of the transverse positioning device 2 (15), and the transverse positioning device 2 (15) is fixed on the synchronous belt (18 / 19) of the longitudinal positioning device 2 (17). The transmission of the synchronous belts (16 / 18 / 19) of the transverse positioning device 2 (15) and the longitudinal positioning device 2 (17) is controlled by a stepper motor, wherein the third stepper motor (20) controls the transmission of the synchronous belt (16) of the transverse positioning device 2 (15) to determine the horizontal coordinate of the barcode scanner (14), and the fourth stepper motor (21) controls the transmission of the synchronous belt (18 / 19) of the longitudinal positioning device 2 (17) to determine the vertical coordinate of the barcode scanner (14).
[0023] The magnetic cover opener (1) is provided with a synchronous belt (22) which moves up and down in a vertical direction and an electromagnet (23) fixed on the synchronous belt (21), and the electromagnet (23) has magnetism after being energized; an iron sheet (24) is installed on the cover of the sample bottle (13); when the electromagnet (23) contacts the bottle cover and is energized, the electromagnet (23) can absorb the bottle cover and carry the bottle cover to move.
[0024] The frame is provided with a sampling needle cleaning barrel (25), and the cleaning barrel (25) is provided with a needle hole (26), a cleaning liquid inlet (27) and a liquid discharge port (28); the sampling component (2) is provided with a synchronous belt (29) that moves up and down in a vertical direction, and a sampling needle (30) and a sample tube (31) fixed on the synchronous belt (29); the sample taken by the sampling needle (30) is sent to the analysis instrument through the sample tube (31); after the sampling component (2) has taken the sample, it automatically resets to the position docking with the cleaning barrel (25) to complete the automatic cleaning of the sampling needle (30).
[0025] The sampling bottle (13) is a standard sampling bottle that can be selected according to sampling requirements. A label (32) for identifying sample information and a two-dimensional code or barcode (33) for identifying sample information are affixed to the bottle. When identifying the sample, the information of the two-dimensional code or barcode (33) on the sample bottle (13) is read by a barcode scanner (14).
[0026] The bottom and frame of the sampling frame (12) are provided with through holes (34) for the barcode scanner (14) to read information. When the automatic sampler is in use, the positioning sampling module is responsible for positioning the sampling bottle (13) where sampling is required, and the sample identification module is responsible for identifying the sample information in the corresponding sample bottle.
[0027] When the present invention is used, the automatic sampler performs actions according to the following steps:
[0028] (1) Accepting instructions: Receive and decode sample instructions.
[0029] (2) Determine sample information: After interpreting the instruction information, the automatic sampler determines the location of the sample bottle to be sampled and notifies the positioning sampling module to start the work of step 3. At the same time, the sample identification module reads the sample information in the sample bottle to be measured and sends the read sample information to the analytical instrument that issued the instruction.
[0030] (3) Removing the bottle cap: The positioning sampling module positions the magnetic cap opener above the sample bottle to be sampled and removes the bottle cap.
[0031] (4) Sampling: The sampling module positions the sampling needle above the sample bottle to be sampled, inserts the sampling needle into the sample bottle to take the sample, and then transfers it to the analytical instrument. When the sample needs to be mixed before sampling, the analytical instrument can first draw a section of air from the sampling needle and inject it into the sample bottle to mix the sample before sampling.
[0032] (5) Returning the bottle cap: After sampling is completed, the positioning sampling module will once again position the magnetic opener above the sample bottle to be sampled, and restore the bottle cap to the sample bottle.
[0033] (6) Cleaning the sampling needle: The positioning sampling module positions the sampling needle above the cleaning barrel, and inserts the sampling needle into the cleaning barrel. The cleaning liquid enters from the cleaning liquid inlet of the cleaning barrel to clean the sampling needle. The cleaning waste liquid automatically flows out from the drain port of the cleaning barrel. After the cleaning is completed, the sampling needle is lifted to the top of the cleaning barrel. The automatic sampler ends the entire process and sends a signal to the analytical instrument that issued the instruction that the sampling is completed. If the inner wall of the sampling needle needs to be cleaned, a section of cleaning liquid and air can be pushed from the analytical instrument to the sampling needle of the automatic sampler.
Claims
1. An automatic sampler, characterized in that: It includes a positioning sampling module, a sample area, a sample identification module and a frame; the magnetic cover opener and the sampling component of the positioning sampling module are fixed on the synchronous belt of the horizontal positioning device 1, and the two ends of the horizontal positioning device 1 are respectively fixed on the left and right synchronous belts of the longitudinal positioning device 1, and the transmission of the synchronous belts of the horizontal positioning device 1 and the longitudinal positioning device 1 is controlled by a stepper motor to determine the horizontal and vertical coordinates of the magnetic cover opener and the sampling component; the sample area includes a sampling frame and a sample bottle; the code scanner of the sample identification module is fixed on the synchronous belt of the horizontal positioning device 2, and the horizontal positioning device 2 is fixed on the synchronous belt of the longitudinal positioning device 2, and the transmission of the synchronous belts of the horizontal positioning device 2 and the longitudinal positioning device 2 is controlled by a stepper motor to determine the horizontal and vertical coordinates of the code scanner.
2. An automatic sampler according to claim 1, characterized in that: The magnetic cover opener is provided with a synchronous belt moving up and down in a vertical direction and an electromagnet fixed on the synchronous belt, and the electromagnet has magnetism after being energized; the cover of the sample bottle is provided with an iron sheet; when the electromagnet contacts the bottle cover and is energized, the electromagnet can absorb the bottle cover and carry the bottle cover to move.
3. An automatic sampler according to claim 1, characterized in that: The frame is provided with a sampling needle cleaning barrel, and the cleaning barrel is provided with a pinhole, a cleaning liquid inlet and a liquid discharge port; the sampling component is provided with a synchronous belt that moves up and down in the vertical direction and a sampling needle and a sample tube fixed on the synchronous belt, and the sample taken by the sampling needle is sent to the analysis instrument through the sample tube. After the sampling component takes the sample, it automatically resets to the position docking with the cleaning barrel to complete the automatic cleaning of the sampling needle.
4. An automatic sampler according to claim 1, characterized in that: The sample bottle is a standard sampling bottle, which can be selected according to sampling requirements. A label identifying the sample information and a QR code or barcode identifying the sample information are affixed to the bottle. When identifying the sample, the information of the QR code or barcode on the sample bottle is read by a scanner.
5. An automatic sampler according to claim 1, characterized in that: The bottom and frame of the sampling frame are provided with through holes for a barcode scanner to read information.
6. An automatic sampler according to claim 1, characterized in that: When the automatic sampler is in use, the positioning sampling module is responsible for positioning the sampling bottle where sampling is required, and the sample identification module is responsible for identifying the sample information in the corresponding sample bottle.
Citation Information
Patent Citations
Automatic sampler
CN215066733U