Automatic standard solution preparation instrument

Abstract

The invention provides an automatic preparation instrument for a standard solution, and relates to the technical field of preparation instruments. The automatic standard solution preparation instrument comprises a lower supporting plate, and electric control telescopic rods are fixedly arranged at the positions, close to the two sides, of the upper end face of the lower supporting plate. According to the preparation instrument, by automatically controlling the micro water pump and the electronic weighing disc, the conveying amount and weight of a reagent are accurately controlled, the problems of repeated dilution and inaccurate measurement in the traditional manual preparation process are avoided, the concentration precision of a standard solution is greatly improved, the uniformity and stability of the solution are ensured by optimizing a preparation scheme and a dynamic adjustment function, and the accuracy of the standard solution is improved. The reliability and the stability of the system are further enhanced, the risks of personal errors and accumulative errors are reduced, the workload and the operation time of operators are remarkably reduced through automatic operation, the working efficiency and the safety of a laboratory are improved, and efficient, accurate, safe and reliable preparation of a food detection standard solution is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of formulators, and in particular to an automatic standard solution formulator. Background Art

[0002] The standard solutions for food testing refer to the solutions with known concentrations used for calibrating instruments, determining the component contents in samples, or verifying the accuracy of testing methods during food analysis and testing. These solutions are usually prepared from high-purity chemical substances, and their concentrations are accurately measured and calibrated to ensure reliability during the testing process. The selection and use of standard solutions are crucial for ensuring the accuracy and comparability of food testing results.

[0003] In the field of food testing, the preparation of standard solutions is a key step to ensure testing accuracy. However, many laboratories still rely on manual operations to prepare these standard solutions, and this method has many deficiencies. First of all, multiple dilutions are required during the manual preparation process, which is not only time-consuming and laborious but also increases the risk of human errors. Each dilution step may lead to inaccurate concentrations due to improper operations, thus affecting the final testing results. Secondly, the inaccuracy during the measurement process is also a prominent problem. Manual pipetting and measurement are easily restricted by the operator's skills, environmental factors, and instrument precision, resulting in the inability to accurately control the volume of the solution, and thus affecting the concentration precision of the standard solution. The cumulative effect of these problems significantly reduces the overall quality of food testing, may lead to misjudgments or missed detections of unqualified products, and pose potential threats to public health and consumer safety. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides an automatic standard solution formulator to solve the problems.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions: An automatic standard solution formulator includes a lower support plate. Electrically controlled telescopic rods are fixedly arranged on both sides of the upper end surface of the lower support plate. A middle support plate is fixedly arranged at the upper ends of the two electrically controlled telescopic rods. An electronic weighing pan is fixedly arranged at the center of the upper end surface of the middle support plate. A mixing barrel is movably arranged on the upper end of the electronic weighing pan.

[0006] At the center of the upper end face of the middle support plate near the rear part, a connecting plate is fixedly arranged. At the upper end of the connecting plate, an upper support plate is fixedly arranged. Near the center of the upper end of the upper support plate, a stirring motor is fixedly arranged. Near the edge of the upper end face of the upper support plate, a plurality of micro water pumps are fixedly arranged. Near the edge of the upper end face of the middle support plate, a plurality of reagent seats are fixedly arranged. Inside each of the plurality of reagent seats, a reagent barrel is movably sleeved. At the upper end of each of the plurality of reagent barrels, a reagent cover is threadedly sleeved. At the lower end near the front side of the mixing barrel, a drain pipe is fixedly arranged, and an electric control valve is arranged on the pipe body of the drain pipe.

[0007] Preferably, a plurality of anti-slip pads are fixedly arranged on the lower end face of the lower support plate, and a control panel is fixedly arranged on one side near the front end of the upper end face of the middle support plate.

[0008] Preferably, a liquid receiving barrel is movably arranged at the center near the front side of the upper end face of the lower support plate. A receiving groove is formed at the center of the front side of the middle support plate, and the receiving groove, the drain pipe and the liquid receiving barrel are on the same straight line.

[0009] Preferably, the output end at the lower end of the stirring motor penetrates through the upper support plate and is fixedly arranged with a stirring wheel inside the mixing barrel.

[0010] Preferably, the output ends of the plurality of micro water pumps are fixedly connected with liquid outlet pipes. One end of the liquid outlet pipe penetrates through the upper support plate to the lower part of the upper support plate and is fixedly provided with a spray head.

[0011] Preferably, the input ends of the plurality of micro water pumps are fixedly connected with liquid inlet pipes. One end of the liquid inlet pipe penetrates through the reagent cover and leads to the inside of the reagent barrel. A temperature sensor is arranged inside the mixing barrel.

[0012] A control method for a standard solution automatic preparation instrument specifically includes the following steps:

[0013] S1. Hardware status detection

[0014] When starting, first detect whether all hardware components are working properly;

[0015] S2. Scheme input

[0016] The user inputs the preparation scheme through the control panel, including the types and amounts of required reagents. The system verifies whether the input scheme meets the preparation requirements, uses a machine learning model to optimize the preparation scheme, such as adjusting the ratio, recommending the best stirring time and speed, and then displays the optimization suggestions to the user;

[0017] S3. Preparation execution

[0018] Record the initial weight of the mixing bucket, dynamically adjust the reagent delivery volume according to the user-confirmed plan, start the stirring motor and dynamically adjust the stirring time according to the optimized parameters, and automatically calibrate the weighing pan and the micro water pump during the preparation process.

[0019] S4. Result Output

[0020] Record the preparation plan, preparation results, and all real-time data during the preparation process, and provide preparation trend analysis and suggestions through historical data mining.

[0021] The present invention provides an automatic standard solution preparation instrument. It has the following beneficial effects:

[0022] The present invention provides an automatic standard solution preparation instrument. Through precise control of the delivery volume of the micro water pump and real-time detection of the electronic weighing pan, the present invention can deliver high-purity reagents to the mixing bucket in precise proportions at one time, avoiding the cumbersome steps of multiple dilutions, ensuring high precision of the solution concentration. Moreover, manual pipetting and measurement are easily restricted by the operator's skills, environmental factors, and instrument precision, resulting in inaccurate volume control. The present invention uses a micro water pump and an electronic weighing pan for automated measurement and weighing, which not only eliminates human errors but also ensures the accuracy and consistency of each preparation, greatly improving the reliability of the standard solution.

[0023] The present invention provides an automatic standard solution preparation instrument. Through the integrated machine learning model, the present invention can optimize according to the preparation plan input by the user, adjust the ratio, recommend the best stirring time and speed, thereby ensuring the uniformity and stability of the standard solution. The optimized preparation parameters can significantly improve the preparation efficiency and quality, reduce unnecessary experimental adjustments and repetitive work. The operator only needs to input the preparation plan through the control panel, and the instrument can automatically complete the preparation, stirring, and calibration steps, with higher automation and better quality. Brief Description of the Drawings

[0024] Figure 1 It is the front isometric schematic diagram of the present invention;

[0025] Figure 2 It is the bottom isometric schematic diagram of the present invention;

[0026] Figure 3 It is the rear isometric schematic diagram of the present invention;

[0027] Figure 4 It is the usage process schematic diagram of the present invention.

[0028] Among them, 1. Middle support plate; 2. Connecting plate; 3. Reagent cover; 4. Liquid inlet pipe; 5. Micro water pump; 6. Stirring motor; 7. Liquid outlet pipe; 8. Upper support plate; 9. Reagent barrel; 10. Control panel; 11. Electronic weighing pan; 12. Drain pipe; 13. Liquid receiving bucket; 14. Lower support plate; 15. Mixing barrel; 16. Electric control telescopic rod; 17. Reagent seat; 18. Anti-slip pad. Specific implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Embodiment 1

[0031] As Figures 1-3 shown, the embodiment of the present invention provides an automatic standard solution preparation instrument, including a lower support plate 14. Electric control telescopic rods 16 are fixedly arranged on both sides of the upper end surface of the lower support plate 14. A middle support plate 1 is fixedly arranged at the upper ends of the two electric control telescopic rods 16. An electronic weighing pan 11 is fixedly arranged at the center of the upper end surface of the middle support plate 1. A mixing barrel 15 is movably arranged on the upper end of the electronic weighing pan 11;

[0032] A connecting plate 2 is fixedly arranged at the center of the upper end surface of the middle support plate 1 near the rear part. An upper support plate 8 is fixedly arranged at the upper end of the connecting plate 2. A stirring motor 6 is fixedly arranged near the center of the upper end of the upper support plate 8. A plurality of micro water pumps 5 are fixedly arranged near the edge of the upper end surface of the upper support plate 8. A plurality of reagent seats 17 are fixedly arranged near the edge of the upper end surface of the middle support plate 1. Reagent barrels 9 are movably sleeved inside the plurality of reagent seats 17. Reagent covers 3 are threadedly sleeved on the upper ends of the plurality of reagent barrels 9. A drain pipe 12 is fixedly arranged at the lower end near the front side of the mixing barrel 15, and an electric control valve is arranged on the pipe body of the drain pipe 12.

[0033] A plurality of anti-slip pads 18 are fixedly arranged on the lower cross-section of the lower support plate 14, and a control panel 10 is fixedly arranged on one side of the front end of the upper end surface of the middle support plate 1. A liquid receiving bucket 13 is movably arranged at the center of the front side of the upper end surface of the lower support plate 14. A receiving groove is provided at the center of the front side of the middle support plate 1, and the receiving groove, the drain pipe 12 and the liquid receiving bucket 13 are on the same straight line. The output end of the lower end of the stirring motor 6 penetrates through the upper support plate 8 and is fixedly provided with a stirring wheel inside the mixing bucket 15. The output ends of a plurality of micro water pumps 5 are fixedly connected with liquid outlet pipes 7. One end of the liquid outlet pipe 7 penetrates through the upper support plate 8 and leads to the lower part of the upper support plate 8, and is fixedly provided with a spray head. The input ends of a plurality of micro water pumps 5 are fixedly connected with liquid inlet pipes 4. One end of the liquid inlet pipe 4 penetrates through the reagent cover 3 and leads to the inside of the reagent barrel 9. A temperature sensor is arranged inside the mixing bucket 15.

[0034] During use, a plurality of reagent barrels 9 can store various types of reagents. When preparing a reagent, the corresponding reagent and ratio can be selected on the control panel 10. After selection, the system will give an optimization option. Then, after waiting for confirmation, the reagent can be input into the mixing bucket 15 through the corresponding micro water pump 5, and then the reagent is mixed by using the stirring of the stirring motor 6 and finally discharged through the drain pipe 12. During this process, the electronic weighing pan 11 can be used to detect and calculate in real time for calibration to make the ratio more accurate. At the same time, cleaning water can be stored in one of the reagent barrels 9 to facilitate the cleaning of this equipment.

[0035] Embodiment 2

[0036] As Figure 4 shown, an embodiment of the present invention provides a control method for an automatic standard solution preparation instrument, which specifically includes the following steps:

[0037] S1. Hardware status detection

[0038] When starting up, first detect whether all hardware components are working properly;

[0039] S2. Scheme input

[0040] The user inputs a preparation scheme through the control panel 10, including the types and amounts of required reagents. The system verifies whether the input scheme meets the preparation requirements, uses a machine learning model to optimize the preparation scheme, such as adjusting the ratio, recommending the best stirring time and speed, and then displays the optimization suggestions to the user and waits for confirmation, where:

[0041] Model input: [R 试剂种类1 , Q 试剂量1 , R 试剂种类2 , Q 试剂量2 ,…]

[0042] Model output: Y = [Q′ 优化量1 , Q′ 优化量2,…,T′ 优化时间 ,S′ 优化速度 ;

[0043] S3. Preparation execution

[0044] Record the initial weight of the mixing barrel 15, dynamically adjust the reagent delivery volume according to the user - confirmed plan, start the stirring motor 6 and dynamically adjust the stirring time according to the optimized parameters, and automatically calibrate the weighing pan and the micro - water pump 5 during the preparation process;

[0045] The user places the mixing barrel 15 on the electronic weighing pan 11, and the system reads the initial weight: W 初始 , successively deliver various reagents, and after each reagent is delivered, detect the current weight of the mixing barrel 15: W 当前 =W 初始 +∑Q 已输送量 ;

[0046] If the delivery volume needs to be adjusted, calculate the remaining amount: Q 剩余量 =Q 目标量 -Q 已输送量；

[0047] Adjust the pump flow rate to ensure accurate delivery:

[0048] Dynamically adjust the stirring time according to the weight and temperature inside the mixing barrel 15, start the stirring motor 6 and set the rotation speed. After stirring ends, detect the final weight: W 最终 , if the final weight does not match, generate an error report and stop the preparation;

[0049] Input X = [W 混合重量 ,T 环境温度 ,…], output T 搅拌时间 =f(X).

[0050] Before each preparation, the electronic weighing pan 11 and the micro - water pump 5 need to be automatically calibrated.

[0051] Calibrate the electronic weighing pan 11: W 校准后 =W 读数 + calibration error.

[0052] Calibrate the micro - water pump 5: V 校准后 =V 读数 + calibration error.

[0053] S4. Result output

[0054] Record the preparation plan, preparation results, and all real - time data during the preparation process, and through historical data mining, provide preparation trend analysis and suggestions.

[0055] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic standard solution preparation instrument, including a lower support plate (14), Characterized in that: On the upper end surface of the lower support plate (14), electric control telescopic rods (16) are fixedly arranged on both sides near the upper end. On the upper ends of the two electric control telescopic rods (16), a middle support plate (1) is fixedly arranged. At the center of the upper end surface of the middle support plate (1), an electronic weighing pan (11) is fixedly arranged. A mixing barrel (15) is movably arranged on the upper end of the electronic weighing pan (11); At the center of the upper end surface of the middle support plate (1) near the rear part, a connecting plate (2) is fixedly arranged. On the upper end of the connecting plate (2), an upper support plate (8) is fixedly arranged. Near the center of the upper end of the upper support plate (8), a stirring motor (6) is fixedly arranged. Near the edge of the upper end surface of the upper support plate (8), a plurality of micro water pumps (5) are fixedly arranged. Near the edge of the upper end surface of the middle support plate (1), a plurality of reagent seats (17) are fixedly arranged. Inside each of the plurality of reagent seats (17), a reagent barrel (9) is movably sleeved. On the upper ends of the plurality of reagent barrels (9), reagent caps (3) are threadedly sleeved. At the lower end near the front side of the mixing barrel (15), a drain pipe (12) is fixedly arranged, and an electric control valve is arranged on the pipe body of the drain pipe (12).

2. An automatic standard solution preparation instrument according to claim 1, Characterized in that: A plurality of anti-slip pads (18) are fixedly arranged on the lower cross section of the lower support plate (14). On one side near the front end of the upper end surface of the middle support plate (1), a control panel (10) is fixedly arranged.

3. An automatic standard solution preparation instrument according to claim 1, Characterized in that: A liquid receiving barrel (13) is movably arranged at the center near the front side of the upper end surface of the lower support plate (14). A receiving groove is opened at the center of the front side of the middle support plate (1), and the receiving groove, the drain pipe (12) and the liquid receiving barrel (13) are on the same straight line.

4. An automatic standard solution preparation instrument according to claim 1, Characterized in that: The output end at the lower end of the stirring motor (6) penetrates through the upper support plate (8) and extends into the mixing barrel (15) and is fixedly provided with a stirring wheel.

5. An automatic standard solution preparation instrument according to claim 1, Characterized in that: The output ends of the plurality of micro water pumps (5) are all fixedly connected with liquid outlet pipes (7). One end of the liquid outlet pipe (7) penetrates through the upper support plate (8) and extends to the lower part of the upper support plate (8), and a nozzle is fixedly arranged.

6. An automatic standard solution preparation instrument according to claim 1, Characterized in that: The input ends of the plurality of micro water pumps (5) are all fixedly connected with liquid inlet pipes (4). One end of the liquid inlet pipe (4) penetrates through the reagent cap (3) and extends into the reagent barrel (9) internally. A temperature sensor is arranged inside the mixing barrel (15).

7. A control method for an automatic standard solution preparation instrument according to any one of claims 1-6, Characterized in that, Specifically includes the following steps: S1. Hardware status detection When starting, first detect whether all hardware components are working normally; S2. Scheme input The user inputs a formulation plan through the control panel (10), including the types and amounts of required reagents. The system verifies whether the input plan meets the formulation requirements, optimizes the formulation plan using a machine learning model, such as adjusting the ratio, recommending the optimal stirring time and speed, and then displays the optimization suggestions to the user; S3. Formulation execution Record the initial weight of the mixing barrel (15), dynamically adjust the reagent delivery volume according to the plan confirmed by the user, start the stirring motor (6) and dynamically adjust the stirring time according to the optimized parameters, and automatically calibrate the weighing pan and the micro water pump (5) during the formulation process; S4. Result output Record the formulation plan, formulation results, and all real-time data during the formulation process, and provide formulation trend analysis and suggestions through historical data mining.

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