Online and offline multi-purpose water quality detection device

Abstract

The utility model relates to water quality detection technical field discloses a kind of online offline multipurpose water quality detection device, including detection cylinder, water inlet switching component, water outlet switching component and electrode;Detection cylinder is equipped with detection cavity and the water inlet and water outlet being communicated with detection cavity;Water inlet switching group includes online water inlet pipe, offline water inlet pipe, water inlet tee valve and water inlet switch valve, and online water inlet pipe and offline water inlet pipe are connected with water inlet by water inlet tee valve, and water inlet switch valve is located between water inlet tee valve and water inlet;Water outlet switching component includes online water outlet pipe, offline water outlet pipe, water outlet tee valve and water outlet switch valve, and online water outlet pipe and offline water outlet pipe are connected with water outlet by water outlet tee valve, and water outlet switch valve is located between water outlet tee valve and water outlet;Electrode is located on detection cylinder, and its measurement part is located in detection cavity.The utility model can solve the problem of how to switch online and offline water quality detection.

Description

Technical Field

[0001] This utility model relates to the field of water quality testing technology, specifically to a multi-purpose online and offline water quality testing device. Background Technology

[0002] Currently, most water quality testing devices on the market are mainly used for online real-time monitoring of the water quality of the water body being tested. These devices are typically installed at specific monitoring points, such as natural water bodies like rivers, lakes, and reservoirs, as well as the effluent outlets of sewage treatment plants. They continuously collect various water quality parameters, such as pH value, using devices like pH electrodes, and transmit the data in real time to a monitoring center or relevant management platform. This allows managers to promptly understand changes in water quality and provides data support for water quality management and decision-making.

[0003] However, most existing water quality testing devices only have online real-time water quality monitoring capabilities and lack the ability to switch to offline water sample testing. In practical work, relying solely on online real-time monitoring data is often insufficient to meet complex and ever-changing needs. For example, in the event of a sudden water pollution incident, it is necessary to quickly collect on-site water samples for testing to promptly determine the pollution concentration and extent, thereby enabling effective countermeasures. Similarly, when conducting water quality research, scientific institutions need to perform detailed testing and analysis of water samples from different sources and under different conditions to gain a deeper understanding of water quality change patterns and the migration and transformation processes of pollutants. Because existing water quality testing devices lack offline testing capabilities, they cannot achieve seamless switching between online and offline testing, making it difficult to conduct comprehensive and systematic comparisons and analyses of online and offline water quality data in practical work, thus affecting the accuracy and reliability of water quality testing results.

[0004] Given the aforementioned problems with existing water quality testing devices, it is necessary to develop a multi-purpose online and offline water quality testing device. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] This utility model provides a multi-purpose online and offline water quality testing device, which can at least solve the technical problem of: how to switch between online and offline water quality testing to compare the online and offline water quality conditions on site.

[0007] (II) Technical Solution

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a multi-purpose online and offline water quality testing device, comprising:

[0009] The detection cylinder is equipped with a detection chamber and an inlet and an outlet that communicate with the detection chamber.

[0010] The water inlet switching assembly includes an online water inlet pipe, an offline water inlet pipe, a water inlet three-way valve, and a water inlet switch valve. The online water inlet pipe and the offline water inlet pipe are connected to the water inlet through the water inlet three-way valve. The water inlet three-way valve is used to connect or disconnect the water inlet from the online water inlet pipe or the offline water inlet pipe. The water inlet switch valve is located between the water inlet three-way valve and the water inlet and is used to open or close the water inlet.

[0011] The water outlet switching component includes an online water outlet pipe, an offline water outlet pipe, a water outlet three-way valve, and a water outlet switch valve. The online water outlet pipe and the offline water outlet pipe are connected to the water outlet through the water outlet three-way valve. The water outlet three-way valve is used to connect or disconnect the water outlet from the online water outlet pipe or the offline water outlet pipe. The water outlet switch valve is located between the water outlet three-way valve and the water outlet and is used to open or close the water outlet.

[0012] An electrode is mounted on the detection cylinder, with the measuring part of the electrode located inside the detection chamber, and is used to detect the pH value of the water to be tested inside the detection chamber.

[0013] Further, the aforementioned detection cylinder includes a shell and a cover plate. The shell is provided with a receiving groove, and the cover plate covers the opening of the receiving groove of the shell and encloses the shell to form a detection cavity. The electrode is located on the cover plate.

[0014] Furthermore, the aforementioned cover plate has a perforation, through which the electrode passes and is hung on the cover plate;

[0015] The online and offline multi-purpose water quality testing device also includes a positioning component, which is located on the housing and used to fix the electrodes and the housing.

[0016] In a further configuration, the aforementioned positioning component includes two symmetrically symmetrical clamping arms and two screws. A clamping space is formed between the two clamping arms to clamp the main body of the electrode. One end of the screw is rotatably connected to the clamping arm, and the other end of the screw is threadedly connected to the housing. The two screws are combined to drive the two clamping arms to move closer or further apart, so as to adjust the size of the clamping space to fit the main body of the electrode.

[0017] Furthermore, each of the two aforementioned clamping arms has an arc-shaped contact surface on its opposite side, which is used to make contact with the main body of the electrode.

[0018] Furthermore, the aforementioned perforation is a gradually expanding perforation, with the diameter of the perforation gradually increasing from bottom to top, and is used to guide the measuring part of the electrode into the receiving groove.

[0019] Further configuration: the aforementioned inlet three-way valve is connected to the inlet via a pipe, the outlet three-way valve is connected to the outlet via a pipe, the inlet is provided with an inlet connector for connecting to the pipe, and the outlet is provided with an outlet connector for connecting to the pipe.

[0020] (III) Beneficial Effects

[0021] Compared with existing technologies, the online and offline multi-purpose water quality testing device provided by this utility model has the following beneficial effects:

[0022] 1. When using the online and offline multi-purpose water quality testing device provided by this utility model, the inlet valve is open by default, the inlet three-way valve is connected to the inlet and the online inlet pipe by default, and the outlet valve is closed by default. At this time, the testing device is in the online real-time water quality testing mode. The online inlet pipe transports the water sample collected online to the testing chamber, and the pH value of the water in the testing chamber is detected in real time by electrodes, thereby realizing the water quality testing of the online water sample. After the test is completed, the inlet valve closes the inlet, and the outlet valve opens the outlet. The outlet three-way valve connects the outlet and the online outlet pipe to input the online water sample in the testing chamber into the online outlet pipe. After emptying the testing chamber, the outlet valve closes. Outlet: To temporarily switch to offline water quality testing, first, open the inlet valve and simultaneously connect the inlet three-way valve to the offline inlet pipe. Then, close the outlet valve. At this time, the testing device is in offline water quality testing mode. The offline inlet pipe transports the offline water sample to the testing chamber, where the pH value of the water is detected in real time by electrodes, thus achieving offline water quality testing. After the test is completed, close the inlet valve and simultaneously open the outlet valve. Connect the outlet three-way valve to the offline outlet pipe to input the offline water sample into the offline outlet pipe. After emptying the testing chamber, close the outlet valve. As can be seen, this utility model has dual online and offline water quality testing functions. Through the cooperation of the inlet water switching component and the outlet water switching component, it can flexibly switch between online and offline water quality testing, which makes it convenient for users to compare the water quality of online and offline water bodies on site, meet diverse water quality testing needs, and improve the comprehensiveness and flexibility of water quality testing.

[0023] 2. This utility model can classify and discharge the water in the detection chamber through the water outlet switching component, discharging the online water and offline water to different treatment areas respectively, which facilitates subsequent targeted classification and treatment, improves the efficiency of water resource management, and reduces the potential impact on the environment. Attached Figure Description

[0024] Figure 1 This is a cross-sectional view of the online and offline multi-purpose water quality testing device in the embodiment;

[0025] Figure 2 This is a top view of the detection cylinder and positioning component in the embodiment.

[0026] Icon labels:

[0027] 1. Detection cylinder; 11. Housing; 111. Receiving groove; 112. Water inlet; 113. Water outlet; 12. Cover plate; 121. Perforation; 13. Detection chamber;

[0028] 2. Water inlet switching assembly; 21. Online water inlet pipe; 22. Offline water inlet pipe; 23. Water inlet three-way valve; 24. Water inlet switch valve;

[0029] 3. Water outlet switching component; 31. Online water outlet pipe; 32. Offline water outlet pipe; 33. Water outlet three-way valve; 34. Water outlet switch valve;

[0030] 4. Electrode; 41. Measuring section; 42. Main body;

[0031] 5. Positioning component; 51. Clamping arm; 511. Contact surface; 52. Screw; 53. Clamping space;

[0032] 6. Water inlet connector; 7. Water outlet connector; 8. Pipeline. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] This invention provides a multi-purpose online and offline water quality testing device to solve the problem of how to switch between online and offline water quality testing to compare the online and offline water quality conditions on-site.

[0035] See Figure 1 As shown, Figure 1 The image shown is a cross-sectional view of the online and offline multi-purpose water quality testing device in the embodiment. The online and offline multi-purpose water quality testing device includes a testing cylinder 1, an inlet water switching component 2, an outlet water switching component 3, and an electrode 4.

[0036] The detection cylinder 1 has a detection chamber 13, an inlet 112, and an outlet 113. Both the inlet 112 and the outlet 113 are connected to the detection chamber 13.

[0037] The water inlet switching assembly 2 includes an online water inlet pipe 21, an offline water inlet pipe 22, an inlet three-way valve 23, and an inlet switch valve 24. The online water inlet pipe 21 and the offline water inlet pipe 22 are connected to the water inlet 112 via the inlet three-way valve 23. The inlet three-way valve 23 is used to connect or disconnect the water inlet 112 from either the online or offline water inlet pipe 21. The inlet switch valve 24 is installed between the inlet three-way valve 23 and the water inlet 112 and is used to open or close the water inlet 112. Specifically, the online water inlet pipe 21 supplies the online water to be tested to the detection cylinder 1, and the offline water inlet pipe 22 supplies the offline water to be tested to the detection cylinder 1.

[0038] The water outlet switching assembly 3 includes an online water outlet pipe 31, an offline water outlet pipe 32, an online three-way valve 33, and an online switch valve 34. The online water outlet pipe 31 and the offline water outlet pipe 32 are connected to the water outlet 113 via the online three-way valve 33. The online three-way valve 33 is used to connect or disconnect the water outlet 113 from either the online water outlet pipe 31 or the offline water outlet pipe 32. The online switch valve 34 is installed between the online three-way valve 33 and the water outlet 113 and is used to open or close the water outlet 113. Specifically, the online water outlet pipe 31 is used to output the online water in the detection cylinder 1, and the offline water inlet pipe 22 is used to output the offline water in the detection cylinder 1.

[0039] Electrode 4 is mounted on the detection cylinder 1, and the measuring part 41 of electrode 4 is located inside the detection chamber 13. Electrode 4 is used to detect the pH value of the water to be tested inside the detection chamber 13.

[0040] When using the above-described online and offline multi-purpose water quality testing device, the inlet valve 24 is open by default at the inlet 112, the inlet three-way valve 23 is connected to the inlet 112 and the online inlet pipe 21 by default, and the outlet valve 34 is closed by default at the outlet 113. At this time, the device is in online real-time water quality testing mode. The online inlet pipe 21 transports the water sampled online to the testing chamber 13, where the electrode 4 detects the pH value of the water in the testing chamber 13 in real time, thus achieving online water quality testing. After testing, the inlet valve 24 closes the inlet 112, and the outlet valve 34 opens the outlet 113. The outlet three-way valve 33 connects the outlet 113 and the online outlet pipe 31 to input the online water sample from the testing chamber 13 into the online outlet pipe 31. After emptying the testing chamber 13, the outlet valve 34 closes the outlet 112. 13; To temporarily switch to offline water quality testing, firstly, the inlet valve 24 opens the inlet 112, and simultaneously the inlet three-way valve 23 connects the inlet 112 and the offline inlet pipe 22. The outlet valve 34 closes the outlet 113. At this time, the testing device is in offline water quality testing mode. The offline inlet pipe 22 transports the offline water sample to the testing chamber 13. The electrode 4 detects the pH value of the water in the testing chamber 13 in real time, thereby realizing the offline water quality testing. After the test is completed, the inlet valve 24 closes the inlet 112, and simultaneously the outlet valve 34 opens the outlet 113. The outlet three-way valve 33 connects the outlet 113 and the offline outlet pipe 32 to input the offline water in the testing chamber 13 into the offline outlet pipe 32. After emptying the testing chamber 13, the outlet valve 34 closes the outlet 113. As can be seen, this utility model possesses dual online and offline water quality detection functions. Through the cooperation of the inlet switching component 2 and the outlet switching component 3, it can flexibly switch between online and offline water quality detection. In online real-time detection mode, the device can continuously monitor the water quality at specific monitoring points, providing data support for daily water quality management. In offline detection mode, the device allows users to quickly collect water samples on-site and conduct tests, providing timely and reliable data support for responding to emergencies and conducting scientific research. Through the organic combination of online and offline detection functions, users can compare online and offline water quality conditions in real time on-site, achieving comprehensive and multi-level monitoring of water quality. This enables timely detection of abnormal water quality changes, improves the accuracy of water quality detection, meets diverse water quality detection needs, and enhances the comprehensiveness and flexibility of water quality detection.

[0041] In addition, this utility model can classify and discharge the water in the detection chamber 13 through the water outlet switching component 3, discharging the online water and offline water to different treatment areas respectively, which facilitates subsequent targeted classification and treatment, improves the efficiency of water resource management, and reduces the potential impact on the environment.

[0042] The electrode 4 mentioned above can be an existing pH electrode. The material of the detection cylinder 1 mentioned above can be a high-strength, corrosion-resistant special material, which can adapt to the detection needs of different water quality environments and ensure that the detection accuracy and stability of the device will not be affected by water corrosion during long-term use.

[0043] See Figure 1 As shown, in one embodiment of the detection cylinder 1, the detection cylinder 1 includes a housing 11 and a cover plate 12. The housing 11 has a receiving groove 111. The cover plate 12 covers the opening of the receiving groove 111 of the housing 11 and encloses the housing 11 to form a detection cavity 13. The electrode 4 is mounted on the cover plate 12. Thus, this design facilitates the assembly and disassembly of the detection cylinder 1, makes it convenient to clean and maintain the inside of the detection cavity 13, and also facilitates the installation and replacement of components such as the electrode 4, thereby improving the maintainability and service life of the water quality detection device.

[0044] See Figure 1 As shown, based on the above embodiment, the cover plate 12 has a perforation 121. The electrode 4 passes through the perforation 121 and is suspended on the cover plate 12. This online and offline multi-purpose water quality testing device also includes a positioning component 5. The positioning component 5 is installed on the housing 11 and is used to fix the electrode 4 and the housing 11. In this way, the installation method of the electrode 4 is simple and convenient, and the setting of the positioning component 5 can ensure the stable fixation of the electrode 4 on the detection cylinder 1, prevent the electrode 4 from shaking or shifting during use, and ensure the accurate position of the measuring part 41 of the electrode 4, thereby improving the accuracy and stability of pH value detection. In addition, the water quality testing device can select cover plates 12 with different perforation 121 diameters according to different specifications of the electrode 4, so as to restrict the installation position of different specifications of the electrode 4.

[0045] See Figure 1 and Figure 2 As shown, Figure 2 This is a top view of the detection cylinder and positioning assembly in one embodiment. In one implementation of the positioning assembly 5, the positioning assembly 5 includes two symmetrically arranged clamping arms 51 and two screws 52. A clamping space 53 is formed between the two clamping arms 51 for clamping the main body portion 42 of the electrode 4. One end of the screw 52 is rotatably connected to the clamping arm 51, and the other end is threadedly connected to the housing 11. The two screws 52 work together to move the two clamping arms 51 closer together or further apart, adjusting the size of the clamping space 53 to fit the main body portion 42 of the electrode 4. Thus, the positioning assembly 5 can adjust the size of the clamping space 53 according to the actual size of the main body portion 42 of the electrode 4, effectively fixing electrodes 4 of different specifications and improving the versatility and adaptability of the water quality detection device. At the same time, this adjustment method is simple to operate and convenient for users to adjust according to actual conditions.

[0046] See Figure 1and Figure 2 As shown, based on the above embodiment, each of the two clamping arms 51 has an arc-shaped contact surface 511 on one side. The contact surface 511 is used to make contact with the main body portion 42 of the electrode 4. In this way, this contact method can increase the contact area 511 between the clamping arms 51 and the electrode 4, improve the stability of the positioning component 5, reduce the vibration and shaking of the electrode 4 during the detection process, and further ensure the accuracy of pH value detection. At the same time, the surface contact can also reduce the damage to the main body portion 42 of the electrode 4 by the positioning component 5 and extend the service life of the electrode 4.

[0047] See Figure 1 As shown, in one embodiment of the perforation 121, the perforation 121 is a gradually expanding hole, with its diameter gradually increasing from bottom to top. The perforation 121 is used to guide the measuring portion 41 of the electrode 4 into the receiving groove 111. Thus, the gradually expanding design of the perforation 121 facilitates the guidance of the measuring portion 41 of the electrode 4 into the receiving groove 111, improving installation efficiency and reducing the risk of damage to the electrode 4 due to improper installation.

[0048] See Figure 1 As shown, based on any of the above embodiments, the inlet three-way valve 23 is connected to the inlet 112 via pipe 8, and the outlet three-way valve 33 is connected to the outlet 113 via pipe 8. An inlet connector 6 for connecting to pipe 8 is installed at the inlet 112, and an outlet connector 7 for connecting to pipe 8 is installed at the outlet 113. Thus, the inlet connector 6 and outlet connector 7 facilitate the connection and disconnection of pipe 8, improving the assembly and maintenance efficiency of the water quality testing device.

[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An online-offline multipurpose water quality detection device, characterized in that, include: A detection cylinder, wherein the detection cylinder is provided with a detection chamber and an inlet and an outlet communicating with the detection chamber; The water inlet switching assembly includes an online water inlet pipe, an offline water inlet pipe, a water inlet three-way valve, and a water inlet switch valve. The online water inlet pipe and the offline water inlet pipe are connected to the water inlet through the water inlet three-way valve. The water inlet three-way valve is used to connect or disconnect the water inlet from the online water inlet pipe or the offline water inlet pipe. The water inlet switch valve is located between the water inlet three-way valve and the water inlet and is used to open or close the water inlet. The water outlet switching assembly includes an online water outlet pipe, an offline water outlet pipe, a water outlet three-way valve, and a water outlet switch valve. The online water outlet pipe and the offline water outlet pipe are connected to the water outlet through the water outlet three-way valve. The water outlet three-way valve is used to connect or disconnect the water outlet from the online water outlet pipe or the offline water outlet pipe. The water outlet switch valve is located between the water outlet three-way valve and the water outlet and is used to open or close the water outlet. An electrode is disposed on the detection cylinder, with the measuring portion of the electrode located inside the detection chamber and used to detect the pH value of the water to be tested inside the detection chamber.

2. The device according to claim 1, wherein, The detection cylinder includes a shell and a cover plate. The shell is provided with a receiving groove. The cover plate covers the opening of the receiving groove of the shell and surrounds the shell to form the detection cavity. The electrode is disposed on the cover plate. 3.The device according to claim 2, wherein, The cover plate has a through hole, and the electrode passes through the through hole and is hung on the cover plate; The online and offline multi-purpose water quality testing device also includes a positioning component, which is disposed on the housing and used to fix the electrode and the housing. 4.The device according to claim 3, wherein, The positioning assembly includes two symmetrical clamping arms and two screws. A clamping space is formed between the two clamping arms to clamp the main body of the electrode. One end of the screw is rotatably connected to the clamping arm, and the other end of the screw is threadedly connected to the housing. The two screws are combined to drive the two clamping arms to move closer or further apart, so as to adjust the size of the clamping space to fit the main body of the electrode. 5.The device according to claim 4, wherein, Each of the two clamping arms has an arc-shaped contact surface on one side, which is used to contact the main body of the electrode.

6. The online and offline multi-purpose water quality testing device according to any one of claims 3-5, characterized in that, The perforation is a gradually expanding perforation, with the diameter of the perforation gradually increasing from bottom to top, and is used to guide the measuring part of the electrode into the receiving groove. 7.The device according to any one of claims 1-5, wherein, The inlet three-way valve is connected to the inlet through a pipe, and the outlet three-way valve is connected to the outlet through a pipe. The inlet is provided with an inlet connector for connecting to the pipe, and the outlet is provided with an outlet connector for connecting to the pipe.

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