Potential of hydrogen detector adopting ion electrode method

Abstract

The utility model discloses a pH value detector adopting an ion electrode method, and relates to the field of acid-base detection. The device comprises a detector, an electrode supporting and measuring assembly is installed on the detector, the electrode supporting and measuring assembly comprises a supporting rod, a PH glass electrode and a rotating ring block, the PH glass electrode is arranged in the supporting rod, the supporting rod is used for supporting the PH glass electrode, the rotating ring block is rotatably connected in the supporting rod, the supporting rod is fixedly connected in the rotating ring block, and the supporting rod is fixedly connected in the rotating ring block. The PH glass electrode is slidably connected into the supporting rod, the rotating ring block drives the PH glass electrode to rotate circumferentially, and the supporting rod is used for adjusting the distance between the PH glass electrode and the circle center. According to the device, the rotating ring block capable of rotating is arranged, so that a PH glass electrode can uniformly stir a solution in a test cylinder, and meanwhile, the distance between the PH glass electrode and the circle center is adjusted through the auxiliary sliding groove, so that the device is suitable for test cylinders with different bottle opening sizes, and the stirring process is safe and effective.

Description

Technical Field

[0001] This utility model relates to the field of acid-base detection technology, specifically to an ion electrode method acid-base detector. Background Technology

[0002] An ion-electrode pH meter is an electrochemical system consisting of a pH-sensitive glass electrode and a reference electrode. With the invention of the glass membrane electrode and the refinement of the Nernst equation, the ion-electrode method has gradually become the mainstream technology for pH detection. This method determines acidity or alkalinity by measuring the potential difference generated by the activity of hydrogen ions in the solution. The core components of this meter include an indicating electrode, a reference electrode, a potential measurement circuit, and a signal processing system.

[0003] Existing pH analyzers typically measure the acidity or alkalinity of a solution in a test tube by placing the pH glass electrode inside and shaking the tube. This ensures the solution is homogenized and the pH glass electrode makes full contact with the solution throughout the tube, leading to more accurate measurements. However, due to variations in test tube volume and the frequency and amplitude of shaking, the pH glass electrode may touch the tube wall, potentially causing it to shatter and resulting in a safety hazard. To address these issues, this invention provides an ion electrode method pH analyzer. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides an ion electrode method pH meter, which solves the problem that, due to variations in the volume of the test tubes, the frequency and amplitude of shaking by the test personnel can easily cause the pH glass electrode to touch the test tube wall, potentially leading to the pH glass electrode shattering and causing a safety accident.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an ion electrode method pH detector, comprising a detector, an electrode support and measurement assembly mounted on the detector, the electrode support and measurement assembly comprising a support rod, a pH glass electrode, and a rotating ring block, the pH glass electrode being disposed within the support rod, the support rod supporting the pH glass electrode, the rotating ring block being rotatably connected within the support rod, the support rod being fixedly connected within the rotating ring block, the pH glass electrode being slidably connected within the support rod, the rotating ring block driving the pH glass electrode to rotate circumferentially, and the support rod being used to adjust the distance of the pH glass electrode from the center of the circle.

[0006] Preferably, one end of the support rod is fixedly connected to a support ring, the support ring has a rotating ring groove, and the rotating ring block is rotatably connected to the rotating ring groove.

[0007] Preferably, a threaded ring is fixedly connected to the bottom of the other end of the support rod, the threaded ring has a fixed through hole, and a nut is externally threaded onto the threaded ring.

[0008] Preferably, the electrode support and measurement assembly further includes a support column, which is slidably connected in a fixed through hole. The nut is used to tighten the threaded ring and to fix the support rod to the support column.

[0009] Preferably, the support rod has a main sliding groove, and the pH glass electrode is slidably connected in the main sliding groove.

[0010] Preferably, the support rod has a secondary sliding groove, and one end of the PH glass electrode is fixedly connected to a threaded post. The threaded post is slidably connected in the secondary sliding groove, and a nut is also threaded onto the threaded post. The nut is used to tighten the threaded post onto the secondary sliding groove and to fix the PH glass electrode in the support rod.

[0011] Preferably, a rotating rod is fixedly connected to the top end of the rotating ring block, and the rotating rod is used to rotate the rotating ring block.

[0012] This utility model discloses an ion electrode method pH meter, which has the following beneficial effects: This ion electrode method pH meter, by setting a rotating ring block, can uniformly stir the solution in the test tube with a pH glass electrode. At the same time, the distance between the pH glass electrode and the center of the ring is adjusted by a secondary sliding groove, so as to adapt to test tubes with different bottle mouth sizes, making the stirring process safe and effective. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of the electrode support and measurement assembly of this utility model;

[0016] Figure 3 This is an exploded structural diagram of the electrode support and measuring assembly of this utility model;

[0017] Figure 4 This is a schematic diagram of the rotating ring block of this utility model.

[0018] In the diagram: 1. Detector; 2. Electrode support and measurement assembly; 21. Support rod; 211. Threaded ring; 212. Fixing through hole; 213. Nut; 214. Support ring; 215. Rotating ring groove; 22. pH glass electrode; 221. Threaded column; 23. Rotating ring block; 231. Support connecting block; 232. Main sliding groove; 233. Secondary sliding groove; 234. Rotating rod; 24. Support main column. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] This application provides an ion electrode method pH meter, which solves the problem that the pH glass electrode may touch the test tube wall due to the different volumes of the test tubes and the different shaking frequencies and amplitudes by the testers. In severe cases, this can directly cause the pH glass electrode to break and lead to a safety accident.

[0021] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0022] This utility model discloses an ion electrode method acid-base detection instrument.

[0023] Example 1

[0024] According to the appendix Figure 1-4 As shown,

[0025] The device includes a detector 1, on which an electrode support and measurement assembly 2 is mounted. The electrode support and measurement assembly 2 includes a support rod 21, a pH glass electrode 22, and a rotating ring block 23. The pH glass electrode 22 is disposed inside the support rod 21, which supports the pH glass electrode 22. The rotating ring block 23 is rotatably connected inside the support rod 21, and a support connecting block 231 is fixedly connected inside the rotating ring block 23. The pH glass electrode 22 is slidably connected inside the support connecting block 231. The rotating ring block 23 drives the pH glass electrode 22 to rotate in a circular motion. The support connecting block 231 is used to adjust the distance between the pH glass electrode 22 and the center of the circle. A support ring 214 is fixedly connected to one end of the support rod 21, and a rotating ring groove 215 is formed inside the support ring 214. The rotating ring block 23 is rotatably connected to the rotating ring groove 215. A rotating rod 234 is fixedly connected to the top of the rotating ring block 23, which is used to rotate the rotating ring block 23.

[0026] When using, place the test tube under the pH glass electrode 22, hold the rotating rod 234 and rotate it so that the pH glass electrode 22 rotates in a circle within the rotating ring block 23, which will not cause any safety issues caused by contact with the test tube.

[0027] Example 2

[0028] Based on Example 1, according to Appendix Figure 1-4 As shown;

[0029] The other end of the support rod 21 is fixedly connected to a threaded ring 211. The threaded ring 211 has a fixed through hole 212. The threaded ring 211 is externally threaded with a nut 213. The electrode support and measurement assembly 2 also includes a support column 24. The support column 24 is slidably connected in the fixed through hole 212. The nut 213 is used to tighten the threaded ring 211 and to fix the support rod 21 on the support column 24.

[0030] When in use, the support rod 21 is adjusted up and down and left and right on the support column 24 according to the height of the test tube, and then the nut 213 is tightened to fix the two.

[0031] The support connecting block 231 has a main sliding groove 232, and the PH glass electrode 22 is slidably connected in the main sliding groove 232. The support connecting block 231 has a secondary sliding groove 233. One end of the PH glass electrode 22 is fixedly connected to a threaded post 221, which is slidably connected in the secondary sliding groove 233. The threaded post 221 is also threadedly connected to a nut 213, which is used to tighten the threaded post 221 onto the secondary sliding groove 233. The nut 213 is used to fix the PH glass electrode 22 in the support connecting block 231. Initially, the PH glass electrode 22 is fixed in the middle at about half the radius of the main sliding groove 232 by tightening the nut 213 and the threaded post 221. Adjustments are made when the test tube size is too large or too small.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An ion electrode method pH detector, comprising a detector (1), characterized in that, The detector (1) is equipped with an electrode support and measurement assembly (2), which includes: Support rod (21); A pH glass electrode (22) is disposed inside a support rod (21), the support rod (21) is used to support the pH glass electrode (22), and the pH glass electrode (22) is electrically connected to the detector (1); A rotating ring block (23) is rotatably connected inside a support rod (21). A support connecting block (231) is fixedly connected inside the rotating ring block (23). The pH glass electrode (22) is slidably connected inside the support connecting block (231). The rotating ring block (23) drives the pH glass electrode (22) to rotate in a circle. The support connecting block (231) is used to adjust the distance between the pH glass electrode (22) and the center of the circle.

2. The acid-base detector using the ion electrode method according to claim 1, characterized in that: One end of the support rod (21) is fixedly connected to a support ring (214), and a rotating ring groove (215) is provided in the support ring (214). The rotating ring block (23) is rotatably connected to the rotating ring groove (215).

3. The acid-base detector using the ion electrode method according to claim 1, characterized in that: The other end of the support rod (21) is fixedly connected to a threaded ring (211), and a fixed through hole (212) is provided on the threaded ring (211). A nut (213) is externally threaded onto the threaded ring (211).

4. The acid-base detector using the ion electrode method according to claim 3, characterized in that: The electrode support and measurement assembly (2) also includes a support column (24), which is slidably connected in the fixed through hole (212). The nut (213) is used to tighten the threaded ring (211) and to fix the support rod (21) on the support column (24).

5. The acid-base detector using the ion electrode method according to claim 1, characterized in that: The support connecting block (231) has a main sliding groove (232) inside, and the PH glass electrode (22) is slidably connected in the main sliding groove (232).

6. The acid-base detector using the ion electrode method according to claim 3, characterized in that: The supporting connecting block (231) has a secondary sliding groove (233) inside. One end of the PH glass electrode (22) is fixedly connected to a threaded post (221). The threaded post (221) is slidably connected in the secondary sliding groove (233). A nut (213) is also threadedly connected to the threaded post (221). The nut (213) is used to tighten the threaded post (221) on the secondary sliding groove (233). The nut (213) is used to fix the PH glass electrode (22) in the supporting connecting block (231).

7. The acid-base detector using the ion electrode method according to claim 1, characterized in that: The top end of the rotating ring block (23) is fixedly connected to a rotating rod (234), which is used to rotate the rotating ring block (23).

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