Testing device

Abstract

The utility model discloses a testing device which comprises a mechanical arm and a sample table, a PH meter probe is clamped on the mechanical arm, and a reagent groove is formed in the sample table. According to the scheme provided by the invention, the PH meter probe is driven to move through the mechanical arm, so that the PH meter probe is inserted into the reagent in the reagent tank for PH detection, and the whole device is high in automation degree and high in detection efficiency.

Description

Technical Field

[0001] This application relates to the field of chemical technology, and particularly to a testing device. Background Art

[0002] In industrial production, the determination of the pH value of a solution is a crucial task.

[0003] In the related art, the pH value test often relies on manual operation. The operator needs to manually insert the pH electrode into the solution to be tested, read and record the data. This method is not only inefficient but also prone to inaccurate test results due to human operation errors. Summary of the Utility Model

[0004] In view of the above problems, this application provides a testing device that can solve the problem of low efficiency during pH value measurement.

[0005] To solve the above technical problems, this application proposes a testing device, including:

[0006] A robotic arm with a pH meter probe clamped thereon;

[0007] A sample stage with a reagent tank provided thereon; and

[0008] A rotating member connected to the sample stage and configured to drive the sample stage to rotate axially.

[0009] In the technical solution of the embodiment of this application, the robotic arm drives the movement of the pH meter probe so that the pH meter probe is inserted into the reagent in the reagent tank for pH detection. The overall device has a high degree of automation and high detection efficiency. At the same time, by driving the sample stage with the rotating member, the reagent in the reagent tank can be evenly mixed, so that the measured pH value is more accurate.

[0010] In some embodiments, the testing device further includes a cleaning pool located outside the sample stage. In this way, by driving the pH meter probe into the cleaning pool with the robotic arm, it is convenient to clean the pH meter probe.

[0011] In some embodiments, the cleaning pool includes a first fixed slot and a first reagent cylinder, and the first reagent cylinder is disposed in the first fixed slot.

[0012] In some embodiments, the cleaning pool further includes a first sample inlet / outlet pipe disposed in the first fixed slot, and the first sample inlet / outlet pipe is internally connected to the first reagent cylinder. In this way, it is convenient to inject the cleaning liquid into the first reagent cylinder or drain the cleaning liquid in the first reagent cylinder through the first sample inlet / outlet pipe.

[0013] In some embodiments, the cleaning tank includes a plurality of first reagent cylinders, and the plurality of first reagent cylinders are all arranged in the first fixing groove.

[0014] In some embodiments, the testing device further includes a calibration tank, and the calibration tank is arranged outside the sample stage. In this way, it is convenient to calibrate the pH meter probe.

[0015] In some embodiments, the calibration tank includes a second fixing groove and a second reagent cylinder, and the second reagent cylinder is arranged in the second fixing groove.

[0016] In some embodiments, the calibration tank further includes a second sample inlet and outlet pipe, and the second sample inlet and outlet pipe is arranged in the second fixing groove and is internally communicated with the second reagent cylinder. In this way, it is convenient to inject the calibration liquid into the second reagent cylinder or discharge the calibration liquid in the second reagent cylinder through the second sample inlet and outlet pipe.

[0017] In some embodiments, the calibration tank includes a plurality of second reagent cylinders, and the plurality of second reagent cylinders are all arranged in the second fixing groove.

[0018] In some embodiments, the testing device further includes a detection component, and the detection component is electrically connected to the pH meter probe and is used for detecting the number of uses and / or the usage duration of the pH meter probe. In this way, it is convenient to record the number of uses and the usage duration of the pH meter probe.

[0019] In some embodiments, a plurality of reagent grooves are arranged on the sample stage. In this way, it is convenient to place multiple different types of reagents on the sample stage at one time.

[0020] In some embodiments, the robotic arm includes a base, a first driving component, a first housing, a second driving component and a second housing, and the pH meter probe is arranged in the second housing;

[0021] The first driving component is arranged on the base, and the first driving component is connected to the first housing and is used for driving the first housing to approach or move away from the base;

[0022] The second driving component is arranged in the first housing, and the second driving component is connected to the second housing and is used for driving the second housing to rotate around the axis.

[0023] In some embodiments, the robotic arm further includes a third driving component, and the third driving component is arranged in the second housing and is used for driving the second housing to rotate around the axis. In this way, the third driving component drives the second housing to move slightly so as to adjust the position of the pH meter probe on the second housing.

[0024] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features, and advantages of this application more obvious and understandable, the specific embodiments of this application are specifically given below. Description of the Drawings

[0025] By reading the following detailed description of the embodiments, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the embodiments and are not considered to be a limitation of this application. And in all the drawings, the same reference numerals are used to represent the same components. In the drawings:

[0026] Figure 1 is a schematic structural diagram of a test device provided by some embodiments of this application;

[0027] Figure 2 is a schematic diagram of a cleaning tank provided by some embodiments of this application;

[0028] Figure 3 is a schematic diagram of a calibration tank provided by some embodiments of this application;

[0029] Figure 4 is a schematic diagram of a robotic arm provided by some embodiments of this application;

[0030] Figure 5 is Figure 4 a schematic diagram from another perspective.

[0031] The reference numerals in the specific embodiments are as follows:

[0032] 11. Robotic arm; 111. Base; 112. First driving member; 113. First housing; 114. Second driving member; 115. Second housing; 116. Third driving member; 12. PH meter probe; 13. Sample stage; 131. Reagent tank; 14. Rotating member; 15. Cleaning tank; 151. First fixing groove; 152. First reagent cylinder; 153. First sample inlet and outlet pipe; 16. Calibration tank; 161. Second fixing groove; 162. Second reagent cylinder; 163. Second sample inlet and outlet pipe. Specific Embodiments

[0033] The embodiments of the technical solution of this application will be described in detail below with reference to the drawings. The following embodiments are only used to illustrate the technical solution of this application more clearly, so they are only examples and cannot be used to limit the protection scope of this application.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the description of the specification, claims and drawings of this application are intended to cover non-exclusive inclusion.

[0035] In the description of the embodiments of this application, technical terms such as "first" and "second" are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order or primary-secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "a plurality of" is more than two, unless otherwise specifically defined.

[0036] Referring to "embodiments" herein means that the specific features, structures or characteristics described in connection with the embodiments can be included in at least one embodiment of this application. The phrase appearing at various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0037] In the description of the embodiments of this application, the term "and / or" is merely a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " herein generally represents an "or" relationship between the associated objects before and after.

[0038] In the description of the embodiments of this application, the term "a plurality of" means more than two (including two). Similarly, "a plurality of groups" means more than two groups (including two groups), and "a plurality of pieces" means more than two pieces (including two pieces).

[0039] In the description of the embodiments of this application, the orientation or positional relationship indicated by technical terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of this application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of this application.

[0040] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installation", "connection", "connection", "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can also be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0041] In many fields such as industrial production, environmental monitoring, and scientific research experiments, the measurement of the pH value of a solution is a crucial task.

[0042] The pH value test in the related art often relies on manual operation. The operator needs to manually insert the pH electrode into the solution to be measured, read and record the data. This method is not only inefficient but also prone to inaccurate test results due to human operation errors.

[0043] Based on the above considerations, in order to solve the problem of low efficiency during pH value measurement, a test device is designed. The test device includes a robotic arm, a sample stage, and a rotating member. Among them, a pH meter probe is clamped on the robotic arm, a reagent tank is arranged on the sample stage, and the rotating member is connected to the sample stage and is configured to drive the sample stage to rotate around the axis.

[0044] In the technical solution of the embodiments of the present application, the robotic arm drives the pH meter probe to move so that the pH meter probe is inserted into the reagent in the reagent tank for pH detection. The overall device has a high degree of automation and high detection efficiency. At the same time, by driving the sample stage through the rotating member, the reagent in the reagent tank can be evenly mixed, so that the measured pH value is more accurate.

[0045] According to some embodiments of the present application, Figure 1 is a schematic structural diagram of the test device in the present application. As Figure 1 shown, the present application provides a test device. The test device includes a robotic arm 11, a sample stage 13, and a rotating member 14. Among them, a pH meter probe 12 is clamped on the robotic arm 11, a reagent tank 131 is arranged on the sample stage 13, and the rotating member 14 is connected to the sample stage 13 and is used to drive the sample stage 13 to rotate around the axis.

[0046] The robotic arm 11 in this embodiment can be a pneumatic robotic arm, a six-degree-of-freedom manipulator, etc., and can be specifically determined according to the actual situation. The embodiments of this specification do not limit this.

[0047] In this embodiment, one or more reagent tanks 131 are arranged on the sample stage 13, and the sizes and shapes of the respective reagent tanks 131 can be designed according to actual needs and are not limited here.

[0048] The rotating member 14 in this embodiment can be a mixer, a rotating motor, etc., and can be specifically determined according to the actual situation, which is not limited in the embodiments of this specification.

[0049] During use, the robotic arm drives the pH probe to move so that the pH probe is inserted into the reagent in the reagent tank for pH detection, thereby completing the pH test. The overall device has a high degree of automation and high detection efficiency. Moreover, the pH of the reagent is measured using the pH probe, with high accuracy. At the same time, by driving the sample stage 13 to rotate axially by the rotating member 14, the reagent in the reagent tank 131 can be evenly mixed, so that the measured pH value is more accurate.

[0050] According to some embodiments of the present application, as Figure 1 shown, the testing device further includes a cleaning tank 15, and the cleaning tank 15 is located outside the sample stage 13.

[0051] After the robotic arm 11 drives the pH probe 12 to complete the test, the robotic arm 11 then drives the pH probe 12 to the cleaning tank 15 for cleaning for subsequent use.

[0052] According to some embodiments of the present application, as Figure 2 shown, the cleaning tank 15 includes a first fixing groove 151 and a first reagent cylinder 152, wherein the first reagent cylinder 152 is arranged in the first fixing groove 151.

[0053] In this embodiment, the first reagent cylinder 152 is fixed in the first fixing groove 151, and then a cleaning solution is injected into the first reagent cylinder 152. When it is necessary to clean the pH probe 12, only need to drive the pH probe 12 to extend into the cleaning solution in the first reagent cylinder 152.

[0054] According to some embodiments of the present application, as Figure 2 shown, the cleaning tank 15 further includes a first sample inlet and outlet pipe 153, the first sample inlet and outlet pipe 153 is arranged in the first fixing groove 151, and the first sample inlet and outlet pipe 153 is communicated with the inside of the first reagent cylinder 152.

[0055] The first sample inlet and outlet pipe 153 in this embodiment includes a sample inlet pipe and a sample outlet pipe, and both the sample inlet pipe and the sample outlet pipe penetrate through the first fixing groove 151 and are communicated with the inside of the first reagent cylinder 152.

[0056] During use, the cleaning solution is conveniently injected into the first reagent cylinder 152 through the sample inlet pipe, and the cleaning solution in the first reagent cylinder 152 is conveniently discharged through the sample outlet pipe.

[0057] According to some embodiments of the present application, as Figure 2As shown, the cleaning tank 15 includes a plurality of first reagent cylinders 152, and the plurality of first reagent cylinders 152 are all arranged in the first fixing groove 151.

[0058] In this embodiment, there may be two, three or other first reagent cylinders 152, and specifically, it can be determined according to the actual situation, and the embodiments of this specification do not limit this.

[0059] Since the pH meter probe 12 needs to be classified and cleaned according to the acid-base type of the sample during use, therefore, this embodiment provides a plurality of first reagent cylinders 152 to facilitate the cleaning of the pH meter probe 12 in different first reagent cylinders 152 according to the corresponding acid-base types.

[0060] According to some embodiments of the present application, as Figure 1 shown, the testing device further includes a calibration cell 16, and the calibration cell 16 is arranged outside the sample stage 13.

[0061] In the calibration cell 16 of this embodiment, there is a buffer solution with a pH of 7.00. During calibration, the pH meter probe 12 is placed into the buffer solution with a pH of 7.00. Stir the solution to make the pH meter probe 12 fully contact the buffer solution, and wait for the pH meter probe 12 to display a stable value. When the value is stable, adjust the "positioning" or "zero point" knob of the pH meter probe 12 to make the value displayed by the pH meter probe 12 consistent with the actual pH value (7.00) of the buffer solution.

[0062] Subsequently, take out the pH meter probe 12, rinse it with deionized water, and then put the pH meter probe 12 into another buffer solution with a different pH value, such as a buffer solution with a pH of 4.00 or 9.18. Similarly, stir the solution. After the pH meter probe 12 shows a stable value, adjust the "slope" knob of the pH meter probe 12 to make the value displayed by the pH meter probe 12 consistent with the actual pH value of this buffer solution.

[0063] After calibration, rinse the pH meter probe 12 with deionized water, and then put the pH meter probe 12 into a standard buffer solution with a known pH value for verification. Check whether the error between the value displayed by the pH meter probe 12 and the actual pH value of the standard buffer solution is within the allowable range. When the error is within ±0.05 pH units, the calibration is completed. When the error is large, the calibration needs to be performed again.

[0064] According to some embodiments of the present application, as Figure 3 shown, the calibration cell 16 includes a second fixing groove 161 and a second reagent cylinder 162, and the second reagent cylinder 162 is arranged in the second fixing groove 161.

[0065] In this embodiment, the second reagent cylinder 162 is fixed in the second fixing groove 161, and then calibration liquid is injected into the second reagent cylinder 162. When the pH meter probe 12 needs to be calibrated, it is only necessary to drive the pH meter probe 12 to extend into the calibration liquid in the second reagent cylinder 162.

[0066] According to some embodiments of the present application, as Figure 3 shown, the calibration cell 16 further includes a second sample inlet and outlet pipe 163. The second sample inlet and outlet pipe 163 is disposed in the second fixing groove 161, and the second sample inlet and outlet pipe 163 is in communication with the interior of the second reagent cylinder 162.

[0067] The second sample inlet and outlet pipe 163 in this embodiment includes a sample inlet pipe and a sample outlet pipe. Both the sample inlet pipe and the sample outlet pipe penetrate through the second fixing groove 161 and are in communication with the interior of the second reagent cylinder 162.

[0068] During use, the calibration liquid is conveniently injected into the second reagent cylinder 162 through the sample inlet pipe, and the calibration liquid in the second reagent cylinder 162 is conveniently discharged through the sample outlet pipe.

[0069] According to some embodiments of the present application, as Figure 3 shown, the calibration cell 16 includes a plurality of second reagent cylinders 162. The plurality of second reagent cylinders 162 are all disposed in the second fixing groove 161.

[0070] This embodiment may include two, three, etc. second reagent cylinders 162, which can be specifically determined according to actual situations, and the embodiments of this specification do not limit this.

[0071] Since the pH meter probe 12 needs to extend into calibration liquids with different pH values during calibration, therefore, this embodiment provides a plurality of second reagent cylinders 162 to facilitate the pH meter probe 12 to extend into calibration liquids with different pH values according to calibration needs.

[0072] According to some embodiments of the present application, the testing device further includes a detecting member (not labeled in the figure). The detecting member is electrically connected to the pH meter probe 12 and is used to detect the number of uses and / or the usage duration of the pH meter probe 12.

[0073] The detecting member in this embodiment can be a counting sensor, a timing sensor, etc., which can be specifically determined according to actual situations, and the embodiments of this specification do not limit this.

[0074] In this embodiment, the detecting member detects the number of uses and / or the usage duration of the pH meter probe 12, so as to determine whether the pH meter probe 12 needs to be calibrated according to the corresponding number of uses or usage duration.

[0075] According to some embodiments of the present application, a plurality of reagent grooves 131 are provided on the sample stage 13.

[0076] In this embodiment, three, five or other reagent grooves 131 can be arranged on the sample stage 13, and specifically, it can be determined according to the actual situation, and the embodiments of this specification do not limit this.

[0077] By arranging a plurality of reagent grooves 131 on the sample stage 13, in this way, it is convenient to place a variety of different types of reagents on the sample stage 13 at one time.

[0078] According to some embodiments of the present application, such as Figure 4 and in combination with Figure 5 As shown, the robotic arm 11 includes a base 111, a first driving member 112, a first housing 113, a second driving member 114 and a second housing 115, and the pH meter probe 12 is arranged on the second housing 115; wherein, the first driving member 112 is arranged on the base 111, and the first driving member 112 is connected to the first housing 113 for driving the first housing 113 to approach or move away from the base 111; the second driving member 114 is arranged on the first housing 113, and the second driving member 114 is connected to the second housing 115 for driving the second housing 115 to rotate around the axis.

[0079] The first driving member 112 in this embodiment can be an electric telescopic rod, a ball screw mechanism, a cylinder, etc., and the second driving member 114 can be a belt transmission mechanism, and specifically, it can be determined according to the actual situation, and the embodiments of this specification do not limit this.

[0080] Referring to Figure 4 As shown, the first driving member 112 is used to drive the first housing 113 to move in the up and down direction. Since the second driving member 114 is arranged on the first housing 113, at this time, the second driving member 114 can be driven to move up and down.

[0081] Then, the second driving member 114 is used to drive the second housing 115 to rotate around the axis. Since the pH meter probe 12 is arranged on the second housing 115, at this time, the pH meter probe 12 can be moved in the up and down direction and around the axis direction.

[0082] It should be noted that the above structure of the robotic arm is only an example. In other alternative solutions, other structures can also be adopted. For example, the robotic arm further includes a vision sensor, and the vision sensor is arranged on the second housing, etc. The present application does not impose special restrictions on the specific structure of the robotic arm, as long as the above structure can achieve the purpose of the present application.

[0083] According to some embodiments of the present application, such as Figure 5 and in combination with Figure 4 As shown, the robotic arm 11 further includes a third driving member 116, and the third driving member 116 is arranged on the second housing 115 for driving the second housing 115 to rotate around the axis.

[0084] The third driving member 116 in this embodiment may be a belt transmission mechanism. When in use, the second housing 115 is driven by the third driving member 116 to adjust the position of the pH meter probe 12 on the second housing 115.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be covered by the scope of the claims and the description of the present application. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A testing device, characterized in that: include: A mechanical arm, wherein a pH meter probe is clamped on the mechanical arm; A sample stage, wherein a reagent tank is provided on the sample stage; as well as A rotating member is connected to the sample stage and is configured to drive the sample stage to rotate around an axial direction.

2. The testing device according to claim 1, characterized in that: The testing device further comprises a cleaning pool, which is located outside the sample stage.

3. The testing device according to claim 2, characterized in that: The cleaning pool includes a first fixed groove and a first reagent cartridge, and the first reagent cartridge is disposed in the first fixed groove.

4. The testing device according to claim 3, characterized in that: The cleaning pool further includes a first sample inlet and outlet pipe, which is disposed in the first fixing groove and communicates with the interior of the first reagent cartridge.

5. The testing device according to claim 3, characterized in that: The cleaning pool includes a plurality of first reagent cartridges, and the plurality of first reagent cartridges are all disposed in the first fixing grooves.

6. The testing device according to claim 1, characterized in that: The testing device further comprises a calibration pool, which is arranged outside the sample stage.

7. The testing device according to claim 6, characterized in that: The calibration cell comprises a second fixed groove and a second reagent cartridge, wherein the second reagent cartridge is disposed in the second fixed groove.

8. The testing device according to claim 7, characterized in that: The calibration pool further includes a second sample inlet and outlet pipe, which is disposed in the second fixing groove and communicates with the interior of the second reagent cartridge.

9. The testing device according to claim 7, characterized in that: The calibration pool includes a plurality of second reagent cartridges, and the plurality of second reagent cartridges are all disposed in the second fixing grooves.

10. The testing device according to claim 1, characterized in that: The testing device further comprises a detection member, which is electrically connected to the pH meter probe and is configured to detect the number of times and / or the duration of use of the pH meter probe.

11. The testing device according to any one of claims 1 to 10, characterized in that: A plurality of reagent tanks are arranged on the sample table.

12. The testing device according to any one of claims 1 to 10, characterized in that: The mechanical arm comprises a base, a first driving member, a first shell, a second driving member and a second shell, and the pH meter probe is arranged in the second shell; The first driving member is disposed on the base, and the first driving member is connected to the first shell, and is configured to drive the first shell to approach or move away from the base; The second driving member is disposed on the first shell, and the second driving member is connected to the second shell, and is configured to drive the second shell to rotate around an axial direction.

13. The testing device according to claim 12, characterized in that: The mechanical arm further includes a third driving member, which is disposed on the second shell and is configured to drive the second shell to rotate axially.

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