Intelligent automatic titrator

Abstract

The utility model provides an intelligent automatic titrator, which comprises a central control and processor, a touch panel, a titrating solution bottle, a liquid suction metering pump, a sample bottle, a magnetic heating stirrer and a test electrode part, and is characterized in that the liquid suction metering pump is used for carrying out gradient adjustment on the flow velocity in the test process, so that the flow velocity of the titrating solution can be controlled; according to the utility model, two control modes of pH and potential are fused, the reaction state is monitored in real time through the test electrode, and once the end point is reached, the central control and processor can immediately receive a reflected signal and accurately stop titration, so that the accuracy of an experimental result is ensured; the intelligent automatic titrator provided by the utility model is comprehensive in function and simple and convenient to operate, can solve the problems of low automation degree and boring operation process in the prior art, and greatly improves the stability of the titration process while saving manpower.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical analysis and laboratory test technical field, concretely is a kind of intelligent automatic titrator, to realize the accurate titration operation of sample solution by automation technology, improve the accuracy and efficiency of chemical analysis. BACKGROUND

[0002] In the field of chemical analysis and laboratory test, titration analysis is widely used in the determination of the content of various substances as a classical quantitative analysis method.The present titration operation relies on manual operation burette, not only time-consuming and laborious, but also easily affected by human factors, resulting in the accuracy and repeatability of titration results being limited.

[0003] With the progress of science and technology and the development of automation technology, intelligent automatic titrator emerges as the times require, which realizes the automatic control of titration process by integrating advanced sensors, controllers and actuators, significantly improves the accuracy and efficiency of titration analysis, however, the existing intelligent automatic titrator still has many deficiencies in function, performance and user experience.

[0004] For example, the publication number CN205139108U discloses an acid-base titrator, which comprises a plurality of burettes and a plurality of titration containers, the plurality of burettes are installed on a titration turntable, the top of the titration turntable is connected to the slide rail through a rotating part, the plurality of titration containers are fixed on a bottom disc, the bottom center of the bottom disc is connected to a motor through a driving device, and the plurality of titration containers correspond to the plurality of burettes in position. The acid-base titrator is designed as above, the bottom disc is driven to rotate by the rotating driving bottom disc, and the acid-base titration of the plurality of titration containers is realized by the slide rail and the burettes installed on the slide rail.

[0005] However, the acid-base titrator does not provide an acid-base testing mechanism for the test solution, which requires the experimenter to manually test the pH of the test solution and calculate the measurement results, which is troublesome and may cause errors in the test results, so it needs to be improved.

[0006] Therefore, it is of great significance to develop an intelligent automatic titrator with precise flow rate control, multiple control modes, selective heating of sample solution, user-friendly interface and easy operation, to improve the accuracy and efficiency of chemical analysis and promote the development of chemical analysis and laboratory test technology. UTILITY MODEL CONTENT

[0007] Therefore, the utility model provides an intelligent automatic titrator to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0008] The technical scheme of the utility model is achieved as follows: an intelligent automatic titrator, comprising a touch panel, a central control and processor and a magnetic heating stirrer, a shelf is fixedly installed on the side of the central control and processor, a liquid suction metering pump is fixedly installed at the bottom end of the shelf, a titration liquid bottle is arranged at the top end of the shelf, a sample bottle is arranged at the top end of the shelf, a heating jacket plate is arranged on the surface of the shelf, the magnetic heating stirrer comprises a magnetic coupler, a magnetic connecting block and a stirring rod, a motor is fixedly installed at the bottom end of the shelf, an umbrella-shaped tooth A is fixedly installed at the output end of the motor, an umbrella-shaped tooth B is rotatably connected to the bottom end of the shelf, the top end of the umbrella-shaped tooth B is fixedly installed with the magnetic coupler, the inner side of the sample bottle is rotatably connected with the magnetic connecting block, the top end of the magnetic connecting block is fixedly installed with the stirring rod, and a test electrode is inserted into the inner side of the sample bottle.

[0009] Further preferably, the liquid suction metering pump is connected with the titration liquid bottle through a burette, and the liquid suction metering pump is connected with the sample bottle through a burette.

[0010] Further preferably, one end of the test electrode is connected with the central control and processor.

[0011] Further preferably, the umbrella-shaped tooth A is engaged with the umbrella-shaped tooth B.

[0012] Further preferably, the top end of the sample bottle is provided with a plastic top cover.

[0013] Further preferably, the magnetic coupler and the magnetic connecting block are connected through a magnetic field.

[0014] The utility model discloses an embodiment has the following advantages due to the above technical scheme:

[0015] The utility model discloses a liquid suction metering pump carries out gradient regulation to flow rate in the testing process, thereby can control the flow rate of titration liquid, the utility model discloses the fusion of pH and potential two kinds of control mode, through test electrode real -time monitoring reaction state, once reaches the end point, and central control and processor will receive reflection signal immediately, and accurate stop titration, and ensure that the experimental result is accurate and correct, the utility model discloses a kind of function comprehensive, operation simple intelligent automatic titrator, can solve the problem of low degree of automation and relatively dull operation process of prior art, save manpower while greatly improve the stability of titration process.

[0016] The above summary is only for the purpose of the description, and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments, and features, further aspects, embodiments, and features of the utility model will be readily apparent from the drawings and detailed description below. BRIEF DESCRIPTION OF DRAWINGS

[0017] The technical solutions in the embodiments of the present application or the prior art will be described below more clearly with the help of the accompanying drawings needed in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0019] Figure 2 It is a schematic diagram of the side view structure of the present application.

[0020] Figure 3 It is an exploded view of part of the structure of the present application.

[0021] Figure 4 It is a schematic diagram of the overall structure of the present application. Figure 3 It is an enlarged view of A in the figure.

[0022] Reference signs: 1, touch panel; 2, central control and processor; 3, shelf plate; 4, liquid suction metering pump; 5, titration liquid bottle; 6, sample bottle; 7, heating sleeve plate; 8, motor; 9, umbrella-shaped tooth A; 10, umbrella-shaped tooth B; 11, magnetic coupling; 12, magnetic connection block; 13, stirring rod; 14, test electrode. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0024] The embodiments of the present application will be described in detail below with the help of the accompanying drawings.

[0025] As Figures 1-4As shown, this utility model embodiment provides an intelligent automatic titrator, including a touch panel 1, a central control and processor 2, and a magnetic heating stirrer. A frame plate 3 is fixedly installed on the side of the central control and processor 2. A liquid-absorbing metering pump 4 is fixedly installed at the bottom of the frame plate 3. A titrant bottle 5 and a sample bottle 6 are both fixedly installed at the top of the frame plate 3. A heating sleeve 7 is provided on the surface of the frame plate 3. The magnetic heating stirrer includes a magnetic coupler 11, a magnetic connecting block 12, and a stirring rod 13. A motor 8 is fixedly installed at the bottom of the frame plate 3. An umbrella-shaped tooth A9 is fixedly installed at the output end of the motor 8. An umbrella-shaped tooth B10 is rotatably connected to the bottom of the frame plate 3. A magnetic coupler 11 is fixedly installed at the top of the umbrella-shaped tooth B10. A magnetic connecting block 12 is rotatably connected to the inside of the sample bottle 6. A stirring rod 13 is fixedly installed at the top of the magnetic connecting block 12. A test electrode 14 is inserted into the inside of the sample bottle 6. The touch panel 1 displays the titrant flow rate, volume, pH value, mV value, and concentration (the results can be obtained by editing the formula via touch screen). The central control and processor 2 has an on / off switch on its surface, which connects to the entire device via a power supply.

[0026] In one embodiment, the suction end of the metering pump 4 is connected to the titrant bottle 5 via a burette, and the delivery end of the metering pump 4 is connected to the sample bottle 6 via a burette. The metering pump 4 is started, drawing the titrant from the inside of the titrant bottle 5 and dripping it into the inside of the sample bottle 6 through the burette. During this process, the flow rate can be gradually adjusted to control the flow rate. The metering pump 4 has an on / off switch on its surface, which displays the time and corresponding flow rate, and is connected to the central control and processor 2.

[0027] In one embodiment, one end of the test electrode 14 is connected to the central control and processor 2. Under the action of the test electrode 14, the touch panel 1 and the central control and processor 2 can display pH / mv values, titrant concentration values, volume values, editable formulas, and the final calculation results.

[0028] In one embodiment, umbrella-shaped tooth A9 meshes with umbrella-shaped tooth B10. When the motor 8 is started, it drives umbrella-shaped tooth A9 to rotate, which in turn drives umbrella-shaped tooth B10 to rotate, thereby driving magnetic coupler 11 to rotate.

[0029] In one embodiment, the sample vial 6 is topped with a plastic cap. Plastic caps are inexpensive and durable. The titration bottle 5 has a capacity of 500 mL, and the sample vial 6 has a capacity of 300 mL.

[0030] In one embodiment, the magnetic force coupling 11 and the magnetic force connecting block 12 are connected through a magnetic field. During rotation of the magnetic force coupling 11, the magnetic force connecting block 12 and the stirring rod 13 inside the sample bottle 6 are stirred under the action of the magnetic force, so as to promote mixing of the titration solution and the solution to be measured.

[0031] In the working process of the utility model, first, the solution to be measured is added to the inside of the sample bottle 6, then the pipeline of the liquid suction measurable pump 4 is inserted into the inside of the titration solution bottle 5, and the titration tube of the liquid suction measurable pump 4 is inserted into the inside of the sample bottle 6, and the test electrode 14 is inserted into the sample bottle 6, then the motor 8 is started and drives the umbrella-shaped tooth A9 to rotate, under the meshing action, the umbrella-shaped tooth B10 is driven to rotate, so as to drive the magnetic force coupling 11 to rotate, under the action of the magnetic force, the magnetic force connecting block 12 and the stirring rod 13 inside the sample bottle 6 are stirred, so as to promote mixing of the titration solution and the solution to be measured, the liquid suction measurable pump 4 is started, the titration solution in the inside of the titration solution bottle 5 is pumped out and dropped into the inside of the sample bottle 6 through the titration tube, the flow rate can be gradient adjusted in this process, the flow rate can be controlled, under the action of the test electrode 14, the central control and processing unit 2 and the touch panel 1 display the pH / mv value and the titration solution concentration value, when the stoichiometric point is reached, the electrode changes, at this time, the titration is stopped, the volume is displayed, and the final calculation result is displayed.

[0032] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A smart automated titrator, characterized by: The utility model relates to a kind of central control and processor (2) and magnetic force heating stirrer including touch panel (1), the side of central control and processor (2) is fixedly installed with shelf plate (3), the bottom end of shelf plate (3) is fixedly installed with liquid suction measurable pump (4), the top of shelf plate (3) is provided with titration liquid bottle (5), the top of shelf plate (3) is provided with sample bottle (6), the surface of shelf plate (3) is provided with heating jacket plate (7), the magnetic force heating stirrer includes magnetic force coupler (11), magnetic force connecting block (12) and stirring rod (13), the bottom end of shelf plate (3) is fixedly installed with motor (8), the output of motor (8) is fixedly installed with umbrella tooth A (9), the bottom end of shelf plate (3) is rotatably connected with umbrella tooth B (10), the top of umbrella tooth B (10) is fixedly installed with magnetic force coupler (11), the inner side of sample bottle (6) is rotatably connected with magnetic force connecting block (12), the top of magnetic force connecting block (12) is fixedly installed with stirring rod (13), the inner side of sample bottle (6) is inserted with test electrode (14).

2. The intelligent automatic titrator according to claim 1, characterized in that: The liquid suction measurable pump (4) is connected with the titration liquid bottle (5) through the burette, and the liquid suction measurable pump (4) is connected with the sample bottle (6) through the burette.

3. The intelligent automatic titrator according to claim 1, wherein: One end of the test electrode (14) is connected with the central control and processor (2).

4. The intelligent automatic titrator according to claim 1, wherein: The umbrella tooth A (9) is engaged with the umbrella tooth B (10).

5. The intelligent automatic titrator according to claim 1, wherein: The top of the sample bottle (6) is provided with a plastic top cover.

6. The intelligent automatic titrator according to claim 1, wherein: The magnetic force coupler (11) and the magnetic force connecting block (12) are connected through the magnetic field.

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