PH detection device

Abstract

The utility model provides a pH (Potential of Hydrogen) detection device, which relates to the technical field of pH detection and comprises a pH detection unit used for detecting the pH value of a detected water sample; and the moving unit is connected with the pH detection unit and is used for adjusting the position of the pH detection unit. According to the pH detection device provided by the utility model, intermittent measurement of the pH value is realized through matching of the moving unit and the pH detection unit, so that the retention time of the pH detection unit in a detected water sample is reduced, the probability that the pH detection unit is polluted is reduced, the maintenance frequency of the pH detection unit is reduced, and the service life of the pH detection unit is prolonged while the accuracy of a detection result is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of pH detection, in particular to a pH detection device. Background Art

[0002] In the field of water treatment, pH value is a basic property of treated water and an important indicator for detecting the effect of water treatment. At present, pH value is usually measured by pH meter; during the measurement process, the pH meter needs to be manually installed in the corresponding pipeline; for the treatment of industrial wastewater, such as printing and dyeing, PCB circuit boards and other industrial production scenarios containing corrosive substances, the pH meter is very easy to be contaminated, resulting in inaccurate measurement results. Therefore, the pH meter needs to be frequently cleaned, calibrated and other maintenance operations, which is not only cumbersome to operate, but also easy to affect the service life of the pH meter. Utility Model Content

[0003] In order to solve the problem in the prior art that the pH meter is easily contaminated and needs frequent maintenance, the utility model provides a pH detection device. The pH detection device cooperates with the pH detection unit through a mobile unit to realize intermittent measurement of the water sample to be tested by the pH meter, thereby reducing the number of times the pH meter is maintained, and solving the problem in the prior art that the pH meter is easily contaminated and needs frequent maintenance.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A pH detection device, comprising:

[0006] A pH detection unit, used to detect the pH value of the water sample being tested;

[0007] The moving unit is connected to the pH detection unit and is used to adjust the position of the pH detection unit.

[0008] Optionally, the mobile unit includes:

[0009] A rotating module, connected to the pH detection unit, for adjusting the angle of the pH detection unit;

[0010] The lifting module is connected to the rotating module and is used to adjust the height of the rotating module.

[0011] Optionally, a control unit is further included, and the rotating module and the lifting module are both connected to the control unit by signal.

[0012] Optionally, the rotating module includes a servo, a second connecting member and a connecting rod; the servo is connected to the lifting module via the second connecting member; one end of the connecting rod is connected to the pH detection unit, and the other end is connected to the servo via a gear structure.

[0013] Optionally, the lifting module includes an electric push rod and a connecting frame connected to the electric push rod; the connecting frame is connected to the second connecting member.

[0014] Optionally, the lifting module further includes a limit frame slidably connected to the connecting frame.

[0015] Optionally, it further comprises a cleaning unit arranged adjacent to the pH detection unit; the cleaning unit is signal-connected to the control unit.

[0016] Optionally, the cleaning unit includes a nozzle, a pipeline and an electric ball valve; the pipeline is connected to the nozzle, and the electric ball valve is arranged on the pipeline; the electric ball valve is signal-connected to the control unit.

[0017] Optionally, a storage unit is also included.

[0018] Optionally, a calibration unit is also included.

[0019] The beneficial effects of the utility model are:

[0020] The pH detection device provided by the utility model realizes intermittent measurement of pH value by cooperating with the mobile unit and the pH detection unit, so as to reduce the residence time of the pH detection unit in the measured water sample, thereby reducing the probability of contamination thereof, and further reducing the frequency of maintenance of the pH detection unit, thereby ensuring the accuracy of the detection result and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 The structure of the pH detection device in the utility model is simple. Figure 1 ;

[0023] Figure 2 The structure of the pH detection device in the utility model is simple. Figure 2 .

[0024] In the figure: 1-pH detection unit; 11-pH meter; 12-first connecting piece; 121-mounting ring; 122-mounting rod; 2-moving unit; 21-rotating module; 211-servo engine; 212-second connecting piece; 213-connecting rod; 22-lifting module; 221-electric push rod; 222-connecting frame; 223-limiting frame; 3-cleaning unit; 31-nozzle; 32-pipeline; 33-electric ball valve; 4-storage unit; 5-calibration unit; 6-support unit. DETAILED DESCRIPTION

[0025] The present utility model is now further described in detail. The embodiments described below are exemplary and intended to be used to explain the present utility model, but cannot be understood as limiting the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present utility model.

[0026] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used to simplify the description, and cannot be understood as indicating or implying relative importance, or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] In the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0029] The existing online pH detection devices have two main installation methods: immersion installation and pipeline installation. Both installation methods require the pH detection device to be immersed in the water sample for a long time for continuous measurement. When used for industrial wastewater, it is very easy for the pH meter to be contaminated, resulting in large measurement errors.

[0030] In order to solve the problem in the prior art that the pH meter is easily contaminated and needs frequent maintenance, the utility model provides a pH detection device. Figure 1 , Figure 2 As shown, the pH detection device includes: a pH detection unit 1, used to detect the pH value of the water sample to be tested; the pH detection unit 1 can select the corresponding existing technology according to the detection requirements; a moving unit 2, connected to the pH detection unit 1, used to adjust the position of the pH detection unit 1.

[0031] During the use of the pH detection device, the position of the pH detection unit 1 can be adjusted according to needs; specifically, when it is necessary to detect the pH value of the water sample to be tested, the pH detection unit 1 is moved to the water sample to be tested by the mobile unit 2 for testing; after the detection is completed, the pH detection unit 1 is removed from the water sample to be tested by the mobile unit 2 to minimize the residence time of the pH detection unit 1 in the water sample to be tested, thereby reducing the adhesion of pollutants on the surface of the pH detection unit 1, reducing the probability of its contamination, and further reducing the frequency of maintenance of the pH detection unit 1, ensuring the accuracy of the detection results while extending its service life.

[0032] The pH detection device provided by the utility model realizes intermittent measurement of pH value by cooperating with the mobile unit 2 and the pH detection unit 1, so as to reduce the residence time of the pH detection unit 1 in the water sample to be tested, thereby reducing the probability of contamination thereof, and further reducing the frequency of maintenance of the pH detection unit 1, thereby ensuring the accuracy of the detection result and extending its service life.

[0033] The mobile unit 2 may be any device in the prior art that can adjust the position of the pH detection unit 1; specifically, the mobile unit 2 of the utility model preferably includes:

[0034] The rotating module 21 is connected to the pH detection unit 1 and is used to adjust the angle of the pH detection unit 1. Specifically, the rotating module 21 preferably drives the pH detection unit 1 to rotate in the horizontal direction to adjust the angle of the pH detection unit 1.

[0035] The lifting module 22 is connected to the rotating module 21 and is used to adjust the height of the rotating module 21. Specifically, the lifting module 22 preferably drives the rotating module 21 to be lifted and lowered, and then drives the pH detection unit 1 to be lifted and lowered through the rotating module 21, so as to adjust the height of the pH detection unit 1.

[0036] During the working process, the installation position of the pH detection unit 1 is determined according to the detection position; after the pH detection unit 1 is driven to the corresponding height by the lifting module 22, the angle of the pH detection unit 1 is adjusted by the rotating module 21, and the pH detection unit 1 is adjusted to the specified position to detect the water sample to be tested; after the detection is completed, the pH detection unit 1 is driven to the corresponding height by the lifting module 22, and after being removed from the water sample to be tested, the angle of the pH detection unit 1 is adjusted by the rotating module 21, and the pH detection unit 1 is adjusted to the specified position to achieve intermittent detection.

[0037] In addition, for the treatment of industrial wastewater, such as for industrial production scenarios containing corrosive substances such as printing and dyeing, PCB circuit boards, etc., manual installation and operation of the pH meter can easily cause harm to the operator's body and pose a major safety hazard. The pH detection device provided by the utility model drives the pH detection unit 1 to the water sample to be tested for detection through the cooperation of the rotating module 21 and the lifting module 22, and can also realize automatic installation of the pH detection unit 1, avoiding manual contact with industrial production scenarios containing corrosive substances and reducing safety hazards.

[0038] Furthermore, since the industrial water treatment sites contain not only corrosive substances, most of them will have pungent odors and corrosive acid mist or noise that will affect the health of maintenance personnel. Based on this, the preferred pH detection device of the utility model also includes a control unit, and the rotating module 21 and the lifting module 22 are both connected to the control unit signal, so that the rotating module 21 and the lifting module 22 can be remotely controlled by the control unit to reduce safety hazards and improve safety; the control unit can select applicable existing technologies, for example, the control unit can be a single-chip microcomputer, etc.

[0039] Specifically, the pH detection unit 1 in the utility model includes a pH meter 11 and a first connecting member 12; the pH meter 11 is used to detect the water sample to be tested, and the specific selection of the pH meter 11 can be selected according to the detection requirements; the pH meter 11 is connected to the rotating module 2 through the first connecting member 12, and the specific structure and size of the first connecting member 12 can be determined according to the pH meter 11; the utility model preferably includes a mounting ring 121 suitable for fixing the pH meter 11, and a mounting rod 122 vertically connected to the mounting ring 121, and the mounting rod 122 is connected to the rotating module 21.

[0040] The preferred rotating module 21 of the utility model includes a steering gear 211, a second connecting member 212 and a connecting rod 213; the steering gear 211 is connected to the lifting module 22 through the second connecting member 212, and the specific structure of the second connecting member 212 is determined according to the steering gear 211; one end of the connecting rod 213 is connected to the pH detection unit 1, specifically connected to the first connecting member 12, and the other end is connected to the steering gear 211 through a gear structure, specifically connected to the output end of the steering gear 211 through a gear structure, so as to drive the connecting rod 213 to rotate through the steering gear 211, thereby realizing the adjustment of the angle of the pH meter 11.

[0041] In order to adjust the height of the pH meter 11, the preferred lifting module 22 of the utility model includes an electric push rod 221 and a connecting frame 222 connected to the electric push rod 221; at the same time, the connecting frame 222 is connected to the second connecting member 212, so that the electric push rod 221 drives the connecting frame 222 to rise and fall, thereby adjusting the height of the pH meter 11.

[0042] In order to improve the stability of the structure, the lifting module 22 of the utility model preferably also includes a limit frame 223 that is slidably connected to the connecting frame 222; one end of the limit frame 223 is fixedly connected to the electric push rod 221, and the other end is provided with a limit hole that is compatible with the connecting frame 222, and the connecting frame 222 is slidably connected to the limit hole. During the lifting process, the connecting frame 222 is limited by the limit hole.

[0043] Since the pH meter 11 is seriously contaminated during use, it is necessary to clean the pH meter 11 regularly. Currently, the pH meter 11 is mostly cleaned manually, which not only poses a great safety hazard but also is cumbersome to operate. Based on this, the pH detection device provided by the utility model also includes a cleaning unit 3 arranged adjacent to the pH detection unit 1. Moreover, the cleaning unit 3 is connected to the control unit by signal, so that the cleaning unit 3 can be remotely controlled by the control unit to achieve remote cleaning of the pH meter 11, thereby ensuring safety while improving efficiency.

[0044] Specifically, the cleaning unit 3 in the utility model includes a nozzle 31, a pipeline 32 and an electric ball valve 33; the pipeline 32 is connected to the nozzle 31 so that cleaning water can be transported to the nozzle 31 through the pipeline 32 during the cleaning process; the electric ball valve 33 is arranged on the pipeline 32; the electric ball valve 33 is connected to the control unit signal, so that the opening and closing of the electric ball valve 33 can be controlled by the control unit, thereby realizing the control of the cleaning process.

[0045] To ensure the cleaning effect, the preferred nozzle 31 of the utility model is an atomizing nozzle; when the pH meter 11 needs to be cleaned, the pH meter 11 is first moved to the front of the nozzle 31 through the lifting module 22 and the rotating module 21, and then the electric ball valve 33 is opened to allow cleaning water to be sprayed from the nozzle 31 onto the pH meter 11 to achieve cleaning.

[0046] The current pH detection device requires professionals to install protective covers on the electrodes for storage on site when there is no need to measure water samples. To facilitate the storage of the pH meter 11, the pH detection device provided by the utility model also includes a storage unit 4. When the pH meter 11 needs to be stored, the pH meter 11 is moved to the storage unit 4 through the lifting module 22 and the rotating module 21 to achieve storage.

[0047] Specifically, the storage unit 4 in the present invention comprises a storage container adapted to the pH detection unit 1 , and preferably the storage container contains a soaking solution suitable for soaking the electrode.

[0048] In order to improve the accuracy of the detection result, the utility model preferably includes the pH detection device further comprising a calibration unit 5, so that the pH detection unit 1 can be moved to the calibration unit 5 by the moving unit 2 to calibrate the pH meter 11 in reverse.

[0049] The specific structure of the calibration unit 5 can be set according to the specific calibration method; the utility model preferably includes two calibration containers, and the calibration containers contain corresponding standard buffer solutions. The standard buffer solution can be selected according to the acidity and alkalinity of the water sample to be tested. The utility model does not limit the specific selection of the standard buffer solution.

[0050] In order to improve the stability of the structure, the pH detection device of the utility model preferably also includes a support assembly 6; wherein the lifting module 21, the cleaning unit 3, the storage unit 4 and the calibration unit 5 are all installed on the support assembly 6; the specific structure and size of the support assembly 6 can be determined according to the installation environment and usage requirements; for example, the support assembly 6 may include a base, and each component is fixed by the base.

[0051] It should be noted that the relative positions of the cleaning unit 3, the storage unit 4 and the calibration unit 5 in the present invention can be set according to needs; this application does not specifically limit their positions.

[0052] In summary, the pH detection device provided by the utility model, when it is necessary to detect the water sample to be tested, moves the pH meter 11 to the detection position through the lifting module 22 and the rotating module 21; after the detection is completed, the pH meter 11 is moved to the cleaning unit 3 through the lifting module 22 and the rotating module 21, and after the cleaning is completed, the pH meter 11 is moved to the calibration unit 5 for calibration, or moved to the storage unit 4 for storage through the lifting module 22 and the rotating module 21.

[0053] It should be noted that, in the present invention, the rotating module 21 and the lifting module 22 can be controlled separately, and the order of their actions is not limited, and the specific order can be selected according to actual needs.

[0054] In summary, the pH detection device provided by the utility model can realize professional technical operations such as remote cleaning, maintenance, measurement, storage, calibration and electrode preservation by utilizing the components equipped therein and the remote control system.

[0055] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A pH detection device, characterized in that: include: A pH detection unit (1) is used to detect the pH value of the water sample being tested; The moving unit (2) is connected to the pH detection unit (1) and is used to adjust the position of the pH detection unit (1).

2. The pH detection device according to claim 1, characterized in that The mobile unit (2) comprises: A rotating module (21), connected to the pH detection unit (1), and used to adjust the angle of the pH detection unit (1); A lifting module (22) is connected to the rotating module (21) and is used to adjust the height of the rotating module (21).

3. The pH detection device according to claim 2, characterized in that: It also comprises a control unit, and the rotating module (21) and the lifting module (22) are both connected to the control unit by signals.

4. The pH detection device according to claim 3, characterized in that: The rotating module (21) comprises a steering gear (211), a second connecting member (212) and a connecting rod (213); the steering gear (211) is connected to the lifting module (22) via the second connecting member (212); one end of the connecting rod (213) is connected to the pH detection unit (1), and the other end is connected to the steering gear (211) via a gear structure.

5. The pH detection device according to claim 4, characterized in that: The lifting module (22) comprises an electric push rod (221) and a connecting frame (222) connected to the electric push rod (221); the connecting frame (222) is connected to the second connecting member (212).

6. The pH detection device according to claim 5, characterized in that: The lifting module (22) also includes a limit frame (223) slidably connected to the connecting frame (222).

7. The pH detection device according to any one of claims 3 to 6, characterized in that: It also comprises a cleaning unit (3) arranged adjacent to the pH detection unit (1); the cleaning unit (3) is signal-connected to the control unit.

8. The pH detection device according to claim 7, characterized in that: The cleaning unit (3) comprises a nozzle (31), a pipeline (32) and an electric ball valve (33); the pipeline (32) is connected to the nozzle (31), and the electric ball valve (33) is arranged on the pipeline (32); the electric ball valve (33) is signal-connected to the control unit.

9. The pH detection device according to claim 8, characterized in that: It also includes a storage unit (4).

10. The pH detection device according to claim 9, characterized in that: A calibration unit (5) is also included.

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