High-purity water PH electrode capable of automatically adding ion enhancer

Abstract

The utility model belongs to the technical field of PH electrodes, and particularly relates to a high-purity water PH electrode capable of automatically adding an ion enhancer, which comprises an electrode tube, the lower end of the electrode tube is in threaded connection with a sealing cover, a sealing gasket is arranged at the joint of the electrode tube and the sealing cover, and the sealing cover is provided with a PH electrode; the filling pipe is arranged at the upper end of the electrode pipe; the quantitative liquid adding mechanism is arranged on the sealing cover; the protection mechanism is arranged at the lower end of the sealing cover; wherein the quantitative liquid adding mechanism comprises a cavity, the cavity is formed in the sealing cover, a liquid inlet pipe communicated with the cavity is arranged on the sealing cover, a liquid inlet groove communicated with the interior of the sealing cover is further formed in the inner ring of the cavity, and a plugging piece is rotationally connected to the interior of the cavity. According to the device, the purpose of automatically and quantitatively adding the ion enhancer can be achieved, and the conductivity of sample water is improved, so that the PH can be more stably measured.

Description

Technical Field

[0001] The utility model belongs to the technical field of pH electrodes, and in particular relates to a high-purity water pH electrode which automatically adds an ion enhancer. Background Art

[0002] In the chemical, electronic, pharmaceutical and many high-tech industries, ultra-pure water (UPW) is a vital raw material, and its purity and stability have a decisive influence on product quality and process. The pH value of ultra-pure water is one of the important indicators to measure its quality, which is crucial for many chemical reactions, material preparation and the operation of electronic equipment.

[0003] At present, the commonly used high-purity water pH electrodes on the market mainly reflect the pH value by measuring the hydrogen ion concentration in water. However, in a high-purity water environment, due to the extremely low ion concentration, traditional pH electrodes often face the problems of slow response speed and poor stability. This is mainly because the low ion concentration makes it difficult to form a stable double electrical layer on the electrode surface, thus affecting the measurement accuracy and stability of the electrode. In order to improve the performance of high-purity water pH electrodes, a common practice is to increase the ion concentration by regularly adding ion enhancers to high-purity water.

[0004] In the prior art, the response speed and stability of pH electrodes in high-purity water environments are often seriously affected due to the extremely low ion concentration. Although there are some methods on the market to improve the performance of pH electrodes by regularly adding ion enhancers, these methods usually require manual operation, which is cumbersome and prone to errors due to improper operation; manual addition takes a lot of time and reduces work efficiency; manual addition is difficult to accurately control the amount of ion enhancers added, which may result in excessive or insufficient addition, affecting water quality and electrode performance; ion enhancers are usually corrosive or toxic, and manual operation may pose a safety hazard. Utility Model Content

[0005] The purpose of the present invention is to provide a high-purity water pH electrode with automatic addition of ion enhancers, which can achieve the purpose of automatic quantitative addition of ion enhancers, increase the conductivity of sample water, and thus enable more stable pH measurement.

[0006] The technical solutions adopted in this utility are as follows:

[0007] A high-purity water pH electrode with automatic addition of ion enhancer, comprising:

[0008] An electrode tube, wherein a sealing cap is threadedly connected to the lower end of the electrode tube, and a sealing gasket is provided at the connection between the electrode tube and the sealing cap, and a PH electrode is installed on the sealing cap;

[0009] A filling pipe, the filling pipe is arranged at the upper end of the electrode tube, and a sealing plug is arranged on the filling pipe;

[0010] A quantitative liquid adding mechanism, wherein the quantitative liquid adding mechanism is arranged on the sealing cover;

[0011] A protection mechanism, wherein the protection mechanism is arranged at the lower end of the sealing cover;

[0012] Among them, the quantitative liquid adding mechanism includes a cavity, the sealing cover is provided with a cavity, the sealing cover is provided with a liquid inlet pipe connected to the cavity, the inner circle of the cavity is also provided with a liquid inlet groove connected to the interior of the sealing cover, and a sealing piece is rotatably connected to the inside of the cavity for controlling the opening size of the liquid inlet groove.

[0013] In a preferred embodiment, the sealing gasket is composed of a three-layer gasket of polytetrafluoroethylene, porous ceramics and polytetrafluoroethylene.

[0014] In a preferred embodiment, the protective mechanism includes a circular ring, which is fixedly connected to the lower end of the sealing cover, and the circular ring is provided with grooves distributed in a ring shape, and each groove is provided with a lock hole, and the bottom surface of the circular ring is fixedly connected to a protective frame, and a card block is rotatably connected to the inside of the card slot, and a high-density filter cover is fixedly connected to the card block, one of the card blocks is provided with a movable groove, and a locking rod is slidably inserted in the movable groove, and a compression spring is fixedly connected between the locking rod and the inner wall of the movable groove.

[0015] In a preferred embodiment, the sealing member includes a hollow ring, which is rotatably connected to the lower end of the sealing cover through a sealing bearing, an adjusting ring is fixedly connected to the lower end of the hollow ring, a baffle is connected to the upper end of the hollow ring in a ring-shaped manner, and a rubber pad is provided on the inner surface of the baffle.

[0016] In a preferred embodiment, a pointer is fixedly connected to the adjustment ring, and scale lines are arranged on the outer surface of the sealing cover.

[0017] In a preferred embodiment, an electrode plug is provided at the top end of the electrode tube, and the electrode wire is connected to the electrode plug by plugging.

[0018] The technical effects achieved by this utility model are:

[0019] The utility model realizes precise control of the added liquid through the mutual cooperation of the cavity, the liquid inlet pipe, the liquid inlet groove and the plugging part. The liquid inlet pipe is first connected with the delivery pipeline of the external ion enhancer. When the liquid flows into the cavity through the liquid inlet pipe, it flows into the sealing cover through the liquid inlet groove. By rotating the plugging part, the opening size of the liquid inlet groove can be controlled, thereby adjusting the amount of liquid entering the sealing cover. This design is not only simple to operate, but also can accurately and quantitatively add liquid, greatly improving the work efficiency and the accuracy of the experiment, realizing the purpose of automatically and quantitatively adding the ion enhancer, and increasing the conductivity of the sample water, so that the pH measurement can be more stable;

[0020] The practical high-density filter cover itself has excellent filtering performance, can effectively block the entry of external impurities, thereby protecting the pH electrode from damage and improving the accuracy and efficiency of detection. The protective frame is located inside the filter cover and can support the filter cover, further enhancing the structural strength of the protective mechanism, while also providing a good installation environment for the high-density filter cover; the card slot arrangement enables the card block to be easily installed and disassembled, thereby facilitating the cleaning or replacement of the high-density filter cover and ensuring the continuous stability of the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a disassembly diagram of the filter cover and the ring of the utility model;

[0023] Figure 3 It is a cross-sectional view of the card block of the utility model;

[0024] Figure 4 This is a disassembled anatomical view of the electrode tube and the sealing cover of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the plugging member of the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Electrode tube; 2. Electrode plug; 3. Filling tube; 4. Sealing cover; 5. Quantitative liquid adding mechanism; 51. Cavity; 52. Liquid inlet pipe; 53. Liquid inlet tank; 54. Sealing piece; 541. Hollow ring; 542. Adjusting ring; 543. Baffle; 6. Protective mechanism; 61. Circular ring; 62. Slot; 63. Protective frame; 64. Locking hole; 65. Block; 66. Filter cover; 67. Movable slot; 68. Lock rod; 69. Compression spring; 7. Sealing pad; 8. PH electrode; 9. Pointer; 10. Scale line. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention, so the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present utility. The phrase "in a preferred embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0031] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the present embodiment in detail, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0032] Please see attached Figure 1 - Figure 5 As shown, the present invention provides a high-purity water pH electrode for automatically adding an ion enhancer, comprising:

[0033] An electrode tube 1, a sealing cap 4 is threadedly connected to the lower end of the electrode tube 1, a sealing gasket 7 is provided at the connection between the electrode tube 1 and the sealing cap 4, and a PH electrode 8 is installed on the sealing cap 4;

[0034] A filling pipe 3, which is arranged at the upper end of the electrode tube 1 and is provided with a sealing plug;

[0035] A quantitative liquid adding mechanism 5, which is arranged on the sealing cover 4;

[0036] A protection mechanism 6, which is arranged at the lower end of the sealing cover 4;

[0037] Among them, the quantitative liquid adding mechanism 5 includes a cavity 51, the sealing cover 4 is provided with a cavity 51, the sealing cover 4 is provided with a liquid inlet pipe 52 connected with the cavity 51, the inner circle of the cavity 51 is also provided with a liquid inlet groove 53 connected with the inside of the sealing cover 4, and a sealing member 54 is rotatably connected inside the cavity 51 for controlling the opening size of the liquid inlet groove 53.

[0038] In this embodiment, the threaded connection between the electrode tube 1 and the sealing cover 4 ensures the stability and sealing of the connection, and the addition of the sealing gasket 7 further enhances the sealing effect and effectively prevents liquid leakage. The pH electrode 8 is installed on the sealing cover 4 to monitor the pH value in the liquid environment and provide accurate data support for adjustments in experiments or production processes.

[0039] The filling pipe 3 is arranged at the upper end of the electrode tube 1, so that the staff can add or pour liquid into the electrode tube 1. The design of the sealing plug not only ensures the sealing of the electrode tube 1 when filling is not required, but also facilitates the rapid opening and closing in actual operation.

[0040] Through the mutual cooperation of the cavity 51, the liquid inlet pipe 52, the liquid inlet groove 53 and the blocking member 54, the added liquid is precisely controlled. The liquid inlet pipe 52 is first connected to the delivery pipeline of the external ion enhancer (the ion enhancer can be pumped into the liquid inlet pipe 52 through the external delivery pipeline by a micro pump). When the liquid flows into the cavity 51 through the liquid inlet pipe 52, it flows into the sealing cover 4 through the liquid inlet groove 53. By rotating the blocking member 54, the opening size of the liquid inlet groove 53 can be controlled, thereby adjusting the amount of liquid entering the sealing cover 4. This design is not only simple to operate, but also can achieve precise quantitative liquid addition, greatly improving the work efficiency and the accuracy of the experiment.

[0041] The provision of the protection mechanism 6 further enhances the safety and stability of the entire device. The protection mechanism 6 is located at the lower end of the sealing cover 4, which can effectively prevent the pH electrode 8 from being disturbed or damaged by external factors during use, thereby extending the service life.

[0042] In general, the electrode tube 1 and its related components in this embodiment are reasonably designed, compact in structure, and easy to operate. At the same time, the safety and stability of the device are improved by optimizing the sealing and protection design.

[0043] In a preferred embodiment, please refer to Figure 4 The sealing gasket 7 is composed of three layers of polytetrafluoroethylene, porous ceramics and polytetrafluoroethylene.

[0044] In this embodiment, polytetrafluoroethylene material is selected as the outer layer material of the sealing gasket 7 due to its excellent chemical stability and corrosion resistance, which can effectively resist the erosion of various chemical substances and ensure the long-term stability and reliability of the sealing gasket 7. The porous ceramic material is used as the middle layer, and its unique porous structure gives the sealing gasket 7 good air permeability and thermal stability. It can not only effectively prevent the expansion or contraction of the material caused by temperature changes, but also ensure that the sealing gasket 7 can still maintain excellent sealing performance in high or low temperature environments. The innermost layer is made of polytetrafluoroethylene material again, which not only enhances the overall structural strength of the sealing gasket 7, but also ensures that the friction coefficient between the sealing gasket 7 and the contact surface is low, thereby reducing the wear and damage that may occur to the sealing gasket 7 during use.

[0045] Next, please refer to Figure 2 - Figure 3 The protection mechanism 6 includes a circular ring 61, which is fixedly connected to the lower end of the sealing cover 4. The circular ring 61 is provided with card slots 62 distributed in an annular manner, and each card slot 62 is provided with a lock hole 64. The bottom surface of the circular ring 61 is fixedly connected with a protection frame 63. The card slot 62 is internally rotatably carded with a card block 65, and a high-density filter cover 66 is fixedly connected to the card block 65. A movable groove 67 is provided on one of the card blocks 65, and a locking rod 68 is slidably inserted in the movable groove 67. A compression spring 69 is fixedly connected between the locking rod 68 and the inner wall of the movable groove 67.

[0046] In this embodiment, the ring 61 provides a stable support as a basic component of the protection mechanism 6. The arrangement of the card slot 62 allows the card block 65 to be easily installed and removed, thereby facilitating the removal of the high-density filter cover 66 for cleaning or replacement, thereby ensuring a continuous and stable filtering effect.

[0047] The protection frame 63 is located inside the filter cover 66, which can support the filter cover 66, further enhancing the structural strength of the protection mechanism 6, and also provides a good installation environment for the high-density filter cover 66. The high-density filter cover 66 itself has excellent filtering performance and can effectively block the entry of external impurities, thereby protecting the pH electrode 8 from damage and improving the accuracy and efficiency of detection.

[0048] The combined design of the movable slot 67 and the locking rod 68 makes the locking and unlocking operations of the protective mechanism 6 simple and reliable. During installation, the card block 65 is inserted into the card slot 62, and then the locking rod 68 is pressed inwardly, and the card block 65 is rotated into the card slot 62. When the locking rod 68 just moves to the lock hole 64, the compression spring 69 generates a restoring force to push the locking rod 68 into the lock hole 64 to lock it. When unlocking is required, just press the locking rod 68 inwardly lightly, and squeeze the compression spring 69 to make the locking rod 68 disengage from the lock hole 64 to remove it smoothly. The operation is convenient and quick.

[0049] In general, the design of the protection mechanism 6 takes into account both the stability of the structure and the convenience of operation, while also having good filtering performance.

[0050] Secondly, please also refer to Figure 5 The sealing member 54 includes a hollow ring 541, which is rotatably connected to the lower end of the sealing cover 4 through a sealing bearing. The lower end of the hollow ring 541 is fixedly connected with an adjusting ring 542, and the upper end of the hollow ring 541 is connected with a baffle 543 in an annular shape, and a rubber pad is provided on the inner surface of the baffle 543.

[0051] In this embodiment, the hollow ring 541 is rotatably connected to the sealing cover 4 through the sealing bearing, so that the plugging member 54 can be flexibly adjusted. The setting of the adjusting ring 542 allows the user to rotate the adjusting ring 542 to drive the baffle 543 on the hollow ring 541 to rotate, and the baffle 543 can be used to adjust the opening size of the liquid inlet groove 53. This design takes into account both practicality and convenience of operation, so that the plugging member 54 can better play its role during use.

[0052] It should be added that the rubber pad inside the baffle 543 has a certain damping effect, which can cause friction between the baffle 543 and the inner wall of the cavity 51, thereby preventing the baffle 543 from rotating due to the impact of the liquid, and the design of the rubber pad can better seal the liquid inlet groove 53.

[0053] In a preferred embodiment, please refer to Figure 2 and Figure 5 In this embodiment, a pointer 9 is fixedly mounted on the adjusting ring 542, and a scale line 10 is marked on the outer surface of the sealing cover 4. When the opening size of the liquid inlet groove 53 needs to be adjusted, the baffle 543 is driven to rotate by rotating the adjusting ring 542. In this process, the rotation angle can be accurately observed and recorded by the cooperation between the pointer 9 and the scale line 10. There is a direct corresponding relationship between the rotation angle and the opening size of the liquid inlet groove 53: the larger the rotation angle, the larger the contact area between the baffle 543 and the liquid inlet groove 53, thereby reducing the opening of the liquid inlet groove 53; conversely, the smaller the rotation angle, the smaller the contact area, and the opening of the liquid inlet groove 53 increases accordingly. In this way, the precise regulation of the opening size of the liquid inlet groove 53 can be achieved.

[0054] Next, please refer to Figure 1 The top of the electrode tube 1 is provided with an electrode plug 2, and the electrode wire is connected to the electrode plug 2 by plugging; in this embodiment, the electrode wire can be conveniently and quickly connected to the electrode plug 2. At the same time, the plug-in structure also has good sealing performance, which can effectively prevent poor contact or leakage during use.

[0055] The working principle of this utility is:

[0056] The filling pipe 3 is arranged at the upper end of the electrode tube 1, so that the staff can add or pour liquid into or out of the electrode tube 1. Through the cooperation of the cavity 51, the liquid inlet pipe 52, the liquid inlet groove 53 and the plugging member 54, precise control of the added liquid is achieved. First, the liquid inlet pipe 52 is connected to the delivery pipeline of the external ion enhancer (the ion enhancer can be pumped into the liquid inlet pipe 52 through the external delivery pipeline by a micro pump). After the liquid flows into the cavity 51 through the liquid inlet pipe 52, it flows into the sealing cover 4 through the liquid inlet groove 53. By rotating the plugging member 54, the opening size of the liquid inlet groove 53 can be controlled, thereby adjusting the amount of liquid entering the sealing cover 4.

[0057] The provision of the card slot 62 enables the card block 65 to be easily installed and disassembled, thereby facilitating the removal of the high-density filter cover 66 for cleaning or replacement, thereby ensuring the continuous stability of the filtering effect.

[0058] The protection frame 63 is located inside the filter cover 66, which can support the filter cover 66, further enhancing the structural strength of the protection mechanism 6, and also provides a good installation environment for the high-density filter cover 66. The high-density filter cover 66 itself has excellent filtering performance and can effectively block the entry of external impurities, thereby protecting the pH electrode 8 from damage and improving the accuracy and efficiency of detection.

[0059] The combined design of the movable slot 67 and the locking rod 68 makes the locking and unlocking operations of the protective mechanism 6 simple and reliable. During installation, the card block 65 is inserted into the card slot 62, and then the locking rod 68 is pressed inwardly, and the card block 65 is rotated into the card slot 62. When the locking rod 68 just moves to the lock hole 64, the compression spring 69 generates a restoring force to push the locking rod 68 into the lock hole 64 to lock it. When unlocking is required, just press the locking rod 68 inwardly lightly, and squeeze the compression spring 69 to make the locking rod 68 disengage from the lock hole 64 to remove it smoothly. The operation is convenient and quick.

[0060] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A high-purity water pH electrode with automatic addition of ion enhancer, characterized in that: include: An electrode tube (1), wherein the lower end of the electrode tube (1) is threadedly connected to a sealing cover (4), a sealing gasket (7) is provided at the connection between the electrode tube (1) and the sealing cover (4), and a pH electrode (8) is installed on the sealing cover (4); A filling pipe (3), wherein the filling pipe (3) is arranged at the upper end of the electrode tube (1), and a sealing plug is arranged on the filling pipe (3); A quantitative liquid adding mechanism (5), wherein the quantitative liquid adding mechanism (5) is arranged on the sealing cover (4); A protection mechanism (6), wherein the protection mechanism (6) is arranged at the lower end of the sealing cover (4); The quantitative liquid adding mechanism (5) comprises a cavity (51), the sealing cover (4) is provided with a cavity (51), the sealing cover (4) is provided with a liquid inlet pipe (52) connected with the cavity (51), the inner ring of the cavity (51) is also provided with a liquid inlet groove (53) connected with the inside of the sealing cover (4), and a sealing member (54) is rotatably connected inside the cavity (51) for controlling the opening size of the liquid inlet groove (53).

2. A high-purity water pH electrode with automatic addition of ion enhancer according to claim 1, characterized in that: The sealing gasket (7) is composed of a three-layer gasket of polytetrafluoroethylene, porous ceramics and polytetrafluoroethylene.

3. A high-purity water pH electrode with automatic addition of ion enhancer according to claim 1, characterized in that: The protection mechanism (6) comprises a circular ring (61), the circular ring (61) is fixedly connected to the lower end of the sealing cover (4), the circular ring (61) is provided with grooves (62) distributed in an annular manner, and each groove (62) is provided with a locking hole (64), the bottom surface of the circular ring (61) is fixedly connected with a protection frame (63), the interior of the groove (62) is rotatably connected with a clamping block (65), the clamping block (65) is fixedly connected with a high-density filter cover (66), one of the clamping blocks (65) is provided with a movable groove (67), a locking rod (68) is slidably inserted in the movable groove (67), and a compression spring (69) is fixedly connected between the locking rod (68) and the inner wall of the movable groove (67).

4. A high-purity water pH electrode with automatic addition of ion enhancer according to claim 1, characterized in that: The sealing member (54) comprises a hollow ring (541), the hollow ring (541) being rotatably connected to the lower end of the sealing cover (4) via a sealing bearing, the lower end of the hollow ring (541) being fixedly connected to an adjusting ring (542), the upper end of the hollow ring (541) being connected to a baffle (543) in an annular arrangement, and a rubber pad being provided on the inner surface of the baffle (543).

5. A high-purity water pH electrode with automatic addition of ion enhancer according to claim 4, characterized in that: A pointer (9) is fixedly connected to the adjustment ring (542), and scale lines (10) are provided on the outer surface of the sealing cover (4).

6. A high-purity water pH electrode with automatic addition of ion enhancer according to claim 1, characterized in that: An electrode plug (2) is provided at the top end of the electrode tube (1), and the electrode wire is connected to the electrode plug (2) by plugging.

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