Online pH meter for industrial circulating water

Abstract

The utility model discloses an on-line pH instrument for industrial circulating water, which comprises an instrument main body, a connecting line is arranged in the instrument main body, a first joint is fixedly arranged at the top of the connecting line, a second joint is fixedly arranged at the bottom of the connecting line, and an inspection rod is fixedly arranged at the bottom of the connecting line through the second joint. The online pH instrument for industrial circulating water is internally provided with the inspection rod, the inspection rod is sleeved outside the second joint at the bottom of the connecting line through the top threaded groove, so that the inspection rod is very convenient to mount and dismount, and the lower end of the inspection rod is in threaded connection with the transparent protective cover, so that the inspection probe can be effectively protected, and the service life of the inspection probe is prolonged. The service life of the inspection rod is prolonged; meanwhile, the instrument main body is small in size and can be lifted by one hand, so that the instrument can be conveniently carried during daily detection or recovery, the transportation difficulty is greatly reduced, and the instrument main body is more practical.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial detection, in particular to an online pH meter for industrial circulating water. Background Art

[0002] At present, the detection and control of the pH value of raw materials and products is an important control parameter in the chemical, light industry, food, environmental protection and other industries. Measuring the pH value of the solution with a glass electrode is recognized as a relatively accurate method. Online automatic detection and monitoring of pH value has become an indispensable process technology measure in modern production.

[0003] After searching, the Chinese patent authorization number CN 213023096 U discloses an industrial circulating water pH value detection device that is easy to install. The above scheme has the advantages of reasonable design and ingenious structure. Through the mutual cooperation between the structures, it can be more convenient for users to use, more convenient to detect the pH value of industrial circulating water at different depths, more convenient to disassemble and install, and more convenient to clean the device. It has good market competitiveness and is worth recommending. However, the test rod in the pH meter cannot be effectively replaced. Due to the high acidity and alkalinity in industrial circulating water, the test rod will inevitably have a decrease in measurement accuracy or damage due to long-term erosion after long-term use, which greatly affects the pH value detection of industrial circulating water; at the same time, the pH meter is large in size and cannot be effectively carried, and it is relatively inconvenient during maintenance, which greatly reduces its practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an online pH meter for industrial circulating water, which solves the problem that the online pH meter test stick for industrial circulating water cannot be effectively replaced, is large in size, cannot be effectively carried, and is relatively inconvenient to repair.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an online pH meter for industrial circulating water, comprising an instrument body, a connecting wire installed inside the instrument body, a first joint fixedly installed on the top of the connecting wire, a second joint fixedly installed on the bottom of the connecting wire, a test rod fixedly installed on the bottom of the connecting wire through the second joint, the test rod comprising a test column, a connecting groove, a test probe, and a transparent protective cover, the connecting groove is arranged at the top of the test column, and the inner wall of the connecting groove is provided with a thread, the test probe is fixedly installed at the bottom of the test column, and the transparent protective cover is threadedly connected to the lower end of the outer wall of the test column, so that the test rod can be effectively installed and replaced.

[0006] Preferably, a detection shell is installed inside the instrument body, two groups of symmetrically distributed mounting blocks are fixedly installed on the rear end side wall of the detection shell, a display screen is fixedly installed on the front end side wall of the detection shell, an adjustment button is fixedly installed on the front end side wall of the detection shell, and a card slot is provided on the front end side wall of the detection shell, so that the real-time data detected will be displayed on the display screen, which is convenient for the staff to observe and record.

[0007] Preferably, the front end side wall of the detection shell is hinged to the transparent cover plate, the rear end side wall of the transparent cover plate is fixedly installed with a card block, the bottom of the detection shell is fixedly installed with symmetrically distributed connecting ports, and the detection shell is connected to the connecting line through the connecting ports, so that the data displayed on the display screen can be observed even when the transparent cover plate is in a closed state.

[0008] Preferably, the transparent cover plate is connected to the front end side wall of the detection housing through a clamping block, which can effectively protect the display screen.

[0009] Preferably, the inspection rod is threadedly connected to the lower end of the connecting line through a connecting groove, which can effectively ensure the stability of the installation of the inspection rod.

[0010] The utility model provides an online pH meter for industrial circulating water, which has the following beneficial effects:

[0011] 1. A test rod is installed inside the online pH meter for industrial circulating water. The test rod is sleeved on the outside of the second joint at the bottom of the connecting line through the top thread groove, making the test rod extremely convenient to install and remove. The lower end of the test rod is threadedly connected to a transparent protective cover, which can effectively protect the test probe and enhance the service life of the test rod;

[0012] 2. This is an online pH meter for industrial circulating water. The main body of the meter is small and can be lifted by one hand, making it easy to carry during daily testing or recycling, greatly reducing the difficulty of transportation and making the main body of the meter more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the instrument body of the utility model;

[0015] Figure 3 This is a schematic diagram of the connection port structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the connecting wire of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the inspection rod of the utility model.

[0018] In the figure, 1-instrument body, 2-detection shell, 3-mounting block, 4-display screen, 5-adjustment button, 6-card slot, 7-transparent cover, 8-card block, 9-connection port, 10-connection line, 11-first connector, 12-second connector, 13-inspection rod, 131-detection column, 132-connection slot, 133-detection probe, 134-transparent protective cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] In this embodiment, reference Figure 1 , 4 And 5, an online pH meter for industrial circulating water, including an instrument body 1, a connecting line 10 is installed inside the instrument body 1, a first joint 11 is fixedly installed on the top of the connecting line 10, a second joint 12 is fixedly installed on the bottom of the connecting line 10, and a test rod 13 is fixedly installed on the bottom of the connecting line 10 through the second joint 12. The test rod 13 includes a detection column 131, a connecting groove 132, a detection probe 133, and a transparent protective cover 134. The connecting groove 132 is arranged at the top of the detection column 131, and the inner wall of the connecting groove 132 is provided with a thread. The detection probe 133 is fixedly installed at the bottom of the detection column 131, and the transparent protective cover 134 is threadedly connected to the lower end of the outer wall of the detection column 131, so that the test rod 13 can be effectively installed and replaced. The test rod 13 is threadedly connected to the lower end of the connecting line 10 through the connecting groove 132, which can effectively ensure the stability of the installation of the test rod 13.

[0022] Example 2

[0023] In this embodiment, reference Figure 1-3A detection shell 2 is installed inside the instrument body 1, two groups of symmetrically distributed mounting blocks 3 are fixedly installed on the rear end side wall of the detection shell 2, a display screen 4 is fixedly installed on the front end side wall of the detection shell 2, an adjustment button 5 is fixedly installed on the front end side wall of the detection shell 2, and a card slot 6 is provided on the front end side wall of the detection shell 2, so that the detected real-time data will be displayed on the display screen 4, which is convenient for the staff to observe and record, a transparent cover plate 7 is hinged on the front end side wall of the detection shell 2, and a card block 8 is fixedly installed on the rear end side wall of the transparent cover plate 7, and a symmetrically distributed connecting port 9 is fixedly installed on the bottom of the detection shell 2, and the detection shell 2 is connected to the connecting line 10 through the connecting port 9, so that the transparent cover plate 7 can also observe the data displayed on the display screen 4 in the closed state, and the transparent cover plate 7 is connected to the front end side wall of the detection shell 2 through the card block 8, which can form an effective protection for the display screen 4.

[0024] The working principle of the device is as follows: first, the connecting line 10 is connected to the connecting port 9 at the bottom of the detection shell 2 through the first joint 11, so that the connecting line 10 can be effectively installed, and then the inspection rod 13 is connected to the second joint 12 at the lower end of the connecting line 10 through the connecting groove 132, so that the inspection rod 13 can be effectively installed, and at the same time, the instrument body 1 is installed at a suitable position through the mounting block 3 outside the detection shell 2, and the power line is connected to the other connecting ports 9 at the bottom of the detection shell 2, so as to ensure that the instrument body 1 can continue to work through power replenishment, and then the various data, settings, etc. of the inspection rod 13 are adjusted and confirmed through the adjustment button 5, and the inspection rod 13 is placed in the industrial circulating water to be tested, and at the same time, the inspection rod 13 is used The internal detection probe 133 detects the pH value in the water. Since the test stick 13 is connected to the test housing 2 through the connecting line 10, the detection data will be displayed on the display screen 4, which is convenient for the staff to observe and record. At the same time, due to the high alkalinity and acidity in industrial water, the test stick 13 will inevitably be damaged after a long period of detection. A certain amount of potassium chloride solution can be added to the transparent protective cover to make the migration rates of anions and cations similar. When the test stick 13 cannot work accurately, it can be taken out and replaced with a new test stick 13, which can effectively ensure the accuracy of the pH value detection of industrial water. At the same time, the instrument body 1 is small in size, which makes it extremely convenient to carry or disassemble in daily life, thereby greatly enhancing the practicality of the instrument body 1.

[0025] The components of the utility model include 1- instrument body, 2- detection housing, 3- mounting block, 4- display screen, 5- adjustment button, 6- card slot, 7- transparent cover, 8- card block, 9- connection port, 10- connection line, 11- first joint, 12- second joint, 13- inspection rod, 131- detection column, 132- connection slot, 133- detection probe, 134- transparent protective cover, all of which are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An online pH meter for industrial circulating water, characterized in that: The invention comprises an instrument body (1), wherein a connecting wire (10) is installed inside the instrument body (1), a first joint (11) is fixedly installed on the top of the connecting wire (10), a second joint (12) is fixedly installed on the bottom of the connecting wire (10), a test rod (13) is fixedly installed on the bottom of the connecting wire (10) through the second joint (12), the test rod (13) comprises a test column (131), a connecting groove (132), a test probe (133), and a transparent protective cover (134), the connecting groove (132) is arranged at the top of the test column (131), and the inner wall of the connecting groove (132) is provided with a thread, the test probe (133) is fixedly installed on the bottom of the test column (131), and the transparent protective cover (134) is threadedly connected to the lower end of the outer wall of the test column (131).

2. An online pH meter for industrial circulating water according to claim 1, characterized in that: A detection housing (2) is installed inside the instrument body (1); two groups of symmetrically distributed mounting blocks (3) are fixedly installed on the rear end side wall of the detection housing (2); a display screen (4) is fixedly installed on the front end side wall of the detection housing (2); an adjustment button (5) is fixedly installed on the front end side wall of the detection housing (2); and a card slot (6) is provided on the front end side wall of the detection housing (2).

3. An online pH meter for industrial circulating water according to claim 2, characterized in that: The front end side wall of the detection housing (2) is hingedly connected to a transparent cover plate (7), the rear end side wall of the transparent cover plate (7) is fixedly mounted with a card block (8), the bottom of the detection housing (2) is fixedly mounted with symmetrically distributed connection ports (9), and the detection housing (2) is connected to a connection line (10) via the connection ports (9).

4. An online pH meter for industrial circulating water according to claim 3, characterized in that: The transparent cover plate (7) is clamped to the front end side wall of the detection housing (2) via a clamping block (8).

5. An online pH meter for industrial circulating water according to claim 1, characterized in that: The inspection rod (13) is threadedly connected to the lower end of the connecting line (10) through a connecting groove (132).

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