Conductivity sensor connection structure

Abstract

The utility model provides a conductivity sensor connecting structure, and relates to the technical field of conductivity sensors. The device comprises a connecting flange, an electrode outer cylinder is in threaded connection with the interior of the connecting flange, a filler gland is sleeved on the electrode outer cylinder and is in threaded connection with the neck of the connecting flange, a sealing cylinder is in threaded connection with the end part, far away from the connecting flange, of the electrode outer cylinder, and the end part, connected with the connecting flange, of the electrode outer cylinder is coaxially connected with an electrode rod; and an electrode lead which is inserted into the electrode outer cylinder and is matched with the electrode rod is arranged on the inner side of the sealing cylinder. According to the utility model, the conductivity electrode applied to the water system has an on-line plugging function, and the maintenance and inspection operation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of conductivity sensor technology, and specifically to a conductivity sensor connection structure. Background Technology

[0002] Conductivity electrodes are used for detecting ion content, analyzing acid-base balance, performing quantitative analysis of electrolytes, and preparing buffer solutions. In industrial production, conductivity electrodes are also commonly used in water quality monitoring, food processing, and the testing of pharmaceutical and pesticide toxicity to ensure product quality and safety. In the polysilicon industry, they are mainly used in water systems and steam condensate systems.

[0003] In the existing technology, due to scaling, damage and other issues, the online conductivity electrodes need to be extracted for maintenance and inspection. How to improve the efficiency of conductivity electrode maintenance and inspection and make the conductivity electrodes easier to remove is a problem that needs to be solved. Utility Model Content

[0004] The purpose of this invention is to develop a conductivity sensor connection structure that enables conductivity electrodes used in water systems to have online plug-in / plug-out functionality, thereby improving the efficiency of maintenance and inspection operations.

[0005] This utility model is achieved through the following technical solution:

[0006] A conductivity sensor connection structure, comprising:

[0007] Connecting flange;

[0008] The outer electrode cylinder is threadedly connected to the internal connection flange.

[0009] The packing gland is fitted onto the outer cylinder of the electrode and threadedly connected to the neck of the connecting flange;

[0010] A sealing cylinder is threadedly connected to the end of the outer cylinder of the electrode away from the connecting flange;

[0011] The electrode rod is coaxially connected to the end of the electrode outer cylinder that is connected to the connecting flange, and an electrode lead wire is provided on the inner side of the sealing cylinder that is inserted into the electrode outer cylinder and cooperates with the electrode rod.

[0012] Optionally, the connecting flange is provided with a connecting cylinder, the outer wall of the end of the electrode outer cylinder that connects to the connecting flange is provided with a first external thread, and the inner wall of the connecting cylinder is provided with a first internal thread that mates with the first external thread.

[0013] Optionally, the inner wall of the neck of the connecting flange is provided with multiple layers of first packing.

[0014] Optionally, the first packing layers are arranged at equal intervals along the axial direction of the connecting flange neck, and the first packing is V-type packing.

[0015] Optionally, the inner diameter of the packing gland is larger than the outer diameter of the electrode outer cylinder, the inner wall of the packing gland near the connecting flange end is provided with a second internal thread, the outer wall of the neck of the connecting flange is provided with a second external thread that mates with the second internal thread, and the inner diameter of the packing gland away from the connecting flange end is adapted to the outer diameter of the electrode outer cylinder.

[0016] Optionally, multiple layers of second packing are provided between the packing gland and the electrode outer cylinder.

[0017] Optionally, the second packing material in multiple layers is arranged at equal intervals along the axial direction of the packing gland, and the second packing material is V-shaped packing.

[0018] Optionally, one end of the sealing cylinder is closed and the other end is open. The closed end of the sealing cylinder is provided with a wire hole for the electrode lead wire to pass through. The outer wall of the electrode outer cylinder away from the connecting flange is provided with a third external thread, and the inner wall of the opening of the sealing cylinder is provided with a third internal thread that mates with the third external thread.

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

[0020] This invention enables the online insertion and removal of conductivity electrodes used in water systems. The electrodes can be removed for maintenance and inspection by closing the valve at any time, improving the efficiency of maintenance and inspection, ensuring the accuracy of conductivity measurements, and the multi-layered packing improves sealing to prevent leakage. The flange connection and multi-threaded connection ensure the conductivity electrodes are secure and prevent the conductivity sensor from being ejected. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a structural diagram of the present utility model;

[0023] Figure 2 This is a structural diagram of the present invention from another perspective.

[0024] Reference numerals: 1. Connecting flange; 11. Second external thread; 2. Electrode outer cylinder; 21. First external thread; 22. Third external thread; 3. Packing gland; 31. Second internal thread; 4. Electrode lead; 5. Sealing cylinder; 51. Third internal thread; 52. Wire hole; 6. Connecting cylinder; 61. First internal thread; 7. Electrode rod. Detailed Implementation

[0025] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0026] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0029] like Figure 1 and Figure 2 As shown, this utility model discloses a conductivity sensor connection structure, including an electrode outer cylinder 2 and a connecting flange 1. A connecting cylinder 6 is connected inside the connecting flange 1. One end of the electrode outer cylinder 2 is provided with a first external thread 21, and the inner wall of the connecting cylinder 6 is provided with a first internal thread 61 that mates with the first external thread 21.

[0030] The neck of the connecting flange 1 is provided with a second external thread 11 on the outer wall, and the neck of the connecting flange 1 is provided with three layers of first packing. The three layers of first packing are arranged at equal intervals in the axial direction of the neck of the connecting flange 1. The first packing can be V-type packing.

[0031] A cylindrical packing gland 3 is fitted over the outer side of the electrode outer cylinder 2. The inner diameter of the packing gland 3 is larger than the outer diameter of the electrode outer cylinder 2. The inner wall of the packing gland 3 near the connecting flange 1 is provided with a second internal thread 31 that mates with the second external thread 11. The inner diameter of the packing gland 3 away from the connecting flange 1 is adapted to the outer diameter of the electrode outer cylinder 2. Three second packings are provided between the packing gland 3 and the electrode outer cylinder 2. The three layers of second packings are arranged at equal intervals in the axial direction of the packing gland 3. The second packings can be V-shaped packings.

[0032] An electrode rod 7 is coaxially connected to the end of the electrode outer cylinder 2 near the connecting flange 1, that is, the end with the first external thread 21. The outer diameter of the electrode rod 7 is smaller than that of the electrode outer cylinder 2. An electrode lead 4 that mates with the electrode rod 7 is inserted into the end of the electrode outer cylinder 2 away from the connecting flange 1. The outer wall of the end of the electrode outer cylinder 2 away from the connecting flange 1 is provided with a third external thread 22. A sealing cylinder 5 is provided on the side of the electrode outer cylinder 2 away from the connecting flange 1. One end of the sealing cylinder 5 is closed and the other end is open. The electrode lead 4 is located inside the sealing cylinder 5. The closed end of the sealing cylinder 5 is provided with a wire hole 52 for the line of the electrode lead 4 to pass through. The inner wall of the opening of the sealing cylinder 5 is provided with a third internal thread 51 that mates with the third external thread 22.

[0033] The connecting flange 1 is connected to the equipment or pipeline flange. A gauge valve is installed on the equipment or pipeline in front of the connecting flange 1. The first external thread 21 of the electrode outer cylinder 2 is threadedly connected to the first internal thread 61 on the inner wall of the connecting cylinder 6 inside the connecting flange 1. The packing gland 3 is threadedly connected to the neck of the connecting flange 1. After the electrode lead 4 is inserted into the electrode outer cylinder 2, the sealing cylinder 5 is threadedly connected to the electrode outer cylinder 2. When maintenance is required, close the gauge valve in front of the connecting flange 1, remove the connecting flange 1, and then remove the packing gland 3, electrode outer cylinder 2, and sealing cylinder 5 for maintenance work.

[0034] This invention enables the online insertion and removal of conductivity electrodes used in water systems. The electrodes can be removed for maintenance and inspection by closing the valve at any time, improving the efficiency of maintenance and inspection, ensuring the accuracy of conductivity measurements, and the multi-layered packing improves sealing to prevent leakage. The flange connection and multi-threaded connection ensure the conductivity electrodes are secure and prevent the conductivity sensor from being ejected.

[0035] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the technical solutions of this utility model. Any technical solution that can be implemented based on the above embodiments without creative effort should be considered to fall within the scope of protection of this utility model patent.

Claims

1. A conductivity sensor connection structure, characterized in that, include: Connecting flange; The outer electrode cylinder is threadedly connected to the internal connection flange. The packing gland is fitted onto the outer cylinder of the electrode and threadedly connected to the neck of the connecting flange; A sealing cylinder is threadedly connected to the end of the outer cylinder of the electrode away from the connecting flange; The electrode rod is coaxially connected to the end of the electrode outer cylinder that is connected to the connecting flange, and an electrode lead wire is provided on the inner side of the sealing cylinder that is inserted into the electrode outer cylinder and cooperates with the electrode rod.

2. The conductivity sensor connection structure according to claim 1, characterized in that, The connecting flange is provided with a connecting cylinder, and the outer wall of the end of the electrode outer cylinder that connects to the connecting flange is provided with a first external thread, and the inner wall of the connecting cylinder is provided with a first internal thread that mates with the first external thread.

3. The conductivity sensor connection structure according to claim 1, characterized in that, The inner wall of the neck of the connecting flange is provided with multiple layers of first packing.

4. The conductivity sensor connection structure according to claim 3, characterized in that, The first packing material is arranged at equal intervals along the axial direction of the neck of the connecting flange in multiple layers, and the first packing material is V-shaped packing.

5. The conductivity sensor connection structure according to claim 1, characterized in that, The inner diameter of the packing gland is larger than the outer diameter of the electrode outer cylinder. The inner wall of the packing gland near the connecting flange end is provided with a second internal thread. The outer wall of the neck of the connecting flange is provided with a second external thread that mates with the second internal thread. The inner diameter of the packing gland at the end away from the connecting flange is adapted to the outer diameter of the electrode outer cylinder.

6. The conductivity sensor connection structure according to claim 5, characterized in that, The packing gland and the outer cylinder of the electrode are provided with multiple layers of second packing.

7. The conductivity sensor connection structure according to claim 6, characterized in that, The second packing material is arranged at equal intervals along the axial direction of the packing gland in multiple layers, and the second packing material is V-shaped packing.

8. The conductivity sensor connection structure according to claim 1, characterized in that, One end of the sealing cylinder is closed and the other end is open. The closed end of the sealing cylinder is provided with a wire hole for the electrode lead wire to pass through. The outer wall of the electrode outer cylinder away from the connecting flange is provided with a third external thread. The inner wall of the opening of the sealing cylinder is provided with a third internal thread that mates with the third external thread.

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